drivers/net/ice/base/ice_switch.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2001-2019
   3  */
   4
   5 #include "ice_switch.h"
   6 #include "ice_flex_type.h"
   7 #include "ice_flow.h"
   8
   9
  10 #define ICE_ETH_DA_OFFSET               0
  11 #define ICE_ETH_ETHTYPE_OFFSET          12
  12 #define ICE_ETH_VLAN_TCI_OFFSET         14
  13 #define ICE_MAX_VLAN_ID                 0xFFF
  14
  15 /* Dummy ethernet header needed in the ice_aqc_sw_rules_elem
  16  * struct to configure any switch filter rules.
  17  * {DA (6 bytes), SA(6 bytes),
  18  * Ether type (2 bytes for header without VLAN tag) OR
  19  * VLAN tag (4 bytes for header with VLAN tag) }
  20  *
  21  * Word on Hardcoded values
  22  * byte 0 = 0x2: to identify it as locally administered DA MAC
  23  * byte 6 = 0x2: to identify it as locally administered SA MAC
  24  * byte 12 = 0x81 & byte 13 = 0x00:
  25  *      In case of VLAN filter first two bytes defines ether type (0x8100)
  26  *      and remaining two bytes are placeholder for programming a given VLAN ID
  27  *      In case of Ether type filter it is treated as header without VLAN tag
  28  *      and byte 12 and 13 is used to program a given Ether type instead
  29  */
  30 #define DUMMY_ETH_HDR_LEN               16
  31 static const u8 dummy_eth_header[DUMMY_ETH_HDR_LEN] = { 0x2, 0, 0, 0, 0, 0,
  32                                                         0x2, 0, 0, 0, 0, 0,
  33                                                         0x81, 0, 0, 0};
  34
  35 #define ICE_SW_RULE_RX_TX_ETH_HDR_SIZE \
  36         (sizeof(struct ice_aqc_sw_rules_elem) - \
  37          sizeof(((struct ice_aqc_sw_rules_elem *)0)->pdata) + \
  38          sizeof(struct ice_sw_rule_lkup_rx_tx) + DUMMY_ETH_HDR_LEN - 1)
  39 #define ICE_SW_RULE_RX_TX_NO_HDR_SIZE \
  40         (sizeof(struct ice_aqc_sw_rules_elem) - \
  41          sizeof(((struct ice_aqc_sw_rules_elem *)0)->pdata) + \
  42          sizeof(struct ice_sw_rule_lkup_rx_tx) - 1)
  43 #define ICE_SW_RULE_LG_ACT_SIZE(n) \
  44         (sizeof(struct ice_aqc_sw_rules_elem) - \
  45          sizeof(((struct ice_aqc_sw_rules_elem *)0)->pdata) + \
  46          sizeof(struct ice_sw_rule_lg_act) - \
  47          sizeof(((struct ice_sw_rule_lg_act *)0)->act) + \
  48          ((n) * sizeof(((struct ice_sw_rule_lg_act *)0)->act)))
  49 #define ICE_SW_RULE_VSI_LIST_SIZE(n) \
  50         (sizeof(struct ice_aqc_sw_rules_elem) - \
  51          sizeof(((struct ice_aqc_sw_rules_elem *)0)->pdata) + \
  52          sizeof(struct ice_sw_rule_vsi_list) - \
  53          sizeof(((struct ice_sw_rule_vsi_list *)0)->vsi) + \
  54          ((n) * sizeof(((struct ice_sw_rule_vsi_list *)0)->vsi)))
  55
  56 static const
  57 u8 dummy_gre_packet[] = { 0, 0, 0, 0,           /* Ether starts */
  58                           0, 0, 0, 0,
  59                           0, 0, 0, 0,
  60                           0x08, 0,              /* Ether ends */
  61                           0x45, 0, 0, 0x3E,     /* IP starts */
  62                           0, 0, 0, 0,
  63                           0, 0x2F, 0, 0,
  64                           0, 0, 0, 0,
  65                           0, 0, 0, 0,           /* IP ends */
  66                           0x80, 0, 0x65, 0x58,  /* GRE starts */
  67                           0, 0, 0, 0,           /* GRE ends */
  68                           0, 0, 0, 0,           /* Ether starts */
  69                           0, 0, 0, 0,
  70                           0, 0, 0, 0,
  71                           0x08, 0,              /* Ether ends */
  72                           0x45, 0, 0, 0x14,     /* IP starts */
  73                           0, 0, 0, 0,
  74                           0, 0, 0, 0,
  75                           0, 0, 0, 0,
  76                           0, 0, 0, 0            /* IP ends */
  77                         };
  78
  79 static const u8
  80 dummy_udp_tun_packet[] = {0, 0, 0, 0,           /* Ether starts */
  81                           0, 0, 0, 0,
  82                           0, 0, 0, 0,
  83                           0x08, 0,              /* Ether ends */
  84                           0x45, 0, 0, 0x32,     /* IP starts */
  85                           0, 0, 0, 0,
  86                           0, 0x11, 0, 0,
  87                           0, 0, 0, 0,
  88                           0, 0, 0, 0,           /* IP ends */
  89                           0, 0, 0x12, 0xB5,     /* UDP start*/
  90                           0, 0x1E, 0, 0,        /* UDP end*/
  91                           0, 0, 0, 0,           /* VXLAN start */
  92                           0, 0, 0, 0,           /* VXLAN end*/
  93                           0, 0, 0, 0,           /* Ether starts */
  94                           0, 0, 0, 0,
  95                           0, 0, 0, 0,
  96                           0, 0                  /* Ether ends */
  97                         };
  98
  99 static const u8
 100 dummy_tcp_tun_packet[] = {0, 0, 0, 0,           /* Ether starts */
 101                           0, 0, 0, 0,
 102                           0, 0, 0, 0,
 103                           0x08, 0,              /* Ether ends */
 104                           0x45, 0, 0, 0x28,     /* IP starts */
 105                           0, 0x01, 0, 0,
 106                           0x40, 0x06, 0xF5, 0x69,
 107                           0, 0, 0, 0,
 108                           0, 0, 0, 0,   /* IP ends */
 109                           0, 0, 0, 0,
 110                           0, 0, 0, 0,
 111                           0, 0, 0, 0,
 112                           0x50, 0x02, 0x20,
 113                           0, 0x9, 0x79, 0, 0,
 114                           0, 0 /* 2 bytes padding for 4 byte alignment*/
 115                         };
 116
 117 /* this is a recipe to profile bitmap association */
 118 static ice_declare_bitmap(recipe_to_profile[ICE_MAX_NUM_RECIPES],
 119                           ICE_MAX_NUM_PROFILES);
 120 static ice_declare_bitmap(available_result_ids, ICE_CHAIN_FV_INDEX_START + 1);
 121
 122 /**
 123  * ice_get_recp_frm_fw - update SW bookkeeping from FW recipe entries
 124  * @hw: pointer to hardware structure
 125  * @recps: struct that we need to populate
 126  * @rid: recipe ID that we are populating
 127  *
 128  * This function is used to populate all the necessary entries into our
 129  * bookkeeping so that we have a current list of all the recipes that are
 130  * programmed in the firmware.
 131  */
 132 static enum ice_status
 133 ice_get_recp_frm_fw(struct ice_hw *hw, struct ice_sw_recipe *recps, u8 rid)
 134 {
 135         u16 i, sub_recps, fv_word_idx = 0, result_idx = 0;
 136         ice_declare_bitmap(r_bitmap, ICE_MAX_NUM_PROFILES);
 137         u16 result_idxs[ICE_MAX_CHAIN_RECIPE] = { 0 };
 138         struct ice_aqc_recipe_data_elem *tmp;
 139         u16 num_recps = ICE_MAX_NUM_RECIPES;
 140         struct ice_prot_lkup_ext *lkup_exts;
 141         enum ice_status status;
 142
 143         /* we need a buffer big enough to accommodate all the recipes */
 144         tmp = (struct ice_aqc_recipe_data_elem *)ice_calloc(hw,
 145                 ICE_MAX_NUM_RECIPES, sizeof(*tmp));
 146         if (!tmp)
 147                 return ICE_ERR_NO_MEMORY;
 148
 149         tmp[0].recipe_indx = rid;
 150         status = ice_aq_get_recipe(hw, tmp, &num_recps, rid, NULL);
 151         /* non-zero status meaning recipe doesn't exist */
 152         if (status)
 153                 goto err_unroll;
 154         lkup_exts = &recps[rid].lkup_exts;
 155         /* start populating all the entries for recps[rid] based on lkups from
 156          * firmware
 157          */
 158         for (sub_recps = 0; sub_recps < num_recps; sub_recps++) {
 159                 struct ice_aqc_recipe_data_elem root_bufs = tmp[sub_recps];
 160                 struct ice_recp_grp_entry *rg_entry;
 161                 u8 prof_id, prot = 0;
 162                 u16 off = 0;
 163
 164                 rg_entry = (struct ice_recp_grp_entry *)
 165                         ice_malloc(hw, sizeof(*rg_entry));
 166                 if (!rg_entry) {
 167                         status = ICE_ERR_NO_MEMORY;
 168                         goto err_unroll;
 169                 }
 170                 /* Avoid 8th bit since its result enable bit */
 171                 result_idxs[result_idx] = root_bufs.content.result_indx &
 172                         ~ICE_AQ_RECIPE_RESULT_EN;
 173                 /* Check if result enable bit is set */
 174                 if (root_bufs.content.result_indx & ICE_AQ_RECIPE_RESULT_EN)
 175                         ice_clear_bit(ICE_CHAIN_FV_INDEX_START -
 176                                       result_idxs[result_idx++],
 177                                       available_result_ids);
 178                 ice_memcpy(r_bitmap,
 179                            recipe_to_profile[tmp[sub_recps].recipe_indx],
 180                            sizeof(r_bitmap), ICE_NONDMA_TO_NONDMA);
 181                 /* get the first profile that is associated with rid */
 182                 prof_id = ice_find_first_bit(r_bitmap, ICE_MAX_NUM_PROFILES);
 183                 for (i = 0; i < ICE_NUM_WORDS_RECIPE; i++) {
 184                         u8 lkup_indx = root_bufs.content.lkup_indx[i + 1];
 185
 186                         rg_entry->fv_idx[i] = lkup_indx;
 187                         /* If the recipe is a chained recipe then all its
 188                          * child recipe's result will have a result index.
 189                          * To fill fv_words we should not use those result
 190                          * index, we only need the protocol ids and offsets.
 191                          * We will skip all the fv_idx which stores result
 192                          * index in them. We also need to skip any fv_idx which
 193                          * has ICE_AQ_RECIPE_LKUP_IGNORE or 0 since it isn't a
 194                          * valid offset value.
 195                          */
 196                         if (result_idxs[0] == rg_entry->fv_idx[i] ||
 197                             result_idxs[1] == rg_entry->fv_idx[i] ||
 198                             result_idxs[2] == rg_entry->fv_idx[i] ||
 199                             result_idxs[3] == rg_entry->fv_idx[i] ||
 200                             result_idxs[4] == rg_entry->fv_idx[i] ||
 201                             rg_entry->fv_idx[i] == ICE_AQ_RECIPE_LKUP_IGNORE ||
 202                             rg_entry->fv_idx[i] == 0)
 203                                 continue;
 204
 205                         ice_find_prot_off(hw, ICE_BLK_SW, prof_id,
 206                                           rg_entry->fv_idx[i], &prot, &off);
 207                         lkup_exts->fv_words[fv_word_idx].prot_id = prot;
 208                         lkup_exts->fv_words[fv_word_idx].off = off;
 209                         fv_word_idx++;
 210                 }
 211                 /* populate rg_list with the data from the child entry of this
 212                  * recipe
 213                  */
 214                 LIST_ADD(&rg_entry->l_entry, &recps[rid].rg_list);
 215         }
 216         lkup_exts->n_val_words = fv_word_idx;
 217         recps[rid].n_grp_count = num_recps;
 218         recps[rid].root_buf = (struct ice_aqc_recipe_data_elem *)
 219                 ice_calloc(hw, recps[rid].n_grp_count,
 220                            sizeof(struct ice_aqc_recipe_data_elem));
 221         if (!recps[rid].root_buf)
 222                 goto err_unroll;
 223
 224         ice_memcpy(recps[rid].root_buf, tmp, recps[rid].n_grp_count *
 225                    sizeof(*recps[rid].root_buf), ICE_NONDMA_TO_NONDMA);
 226         recps[rid].recp_created = true;
 227         if (tmp[sub_recps].content.rid & ICE_AQ_RECIPE_ID_IS_ROOT)
 228                 recps[rid].root_rid = rid;
 229 err_unroll:
 230         ice_free(hw, tmp);
 231         return status;
 232 }
 233
 234 /**
 235  * ice_get_recp_to_prof_map - updates recipe to profile mapping
 236  * @hw: pointer to hardware structure
 237  *
 238  * This function is used to populate recipe_to_profile matrix where index to
 239  * this array is the recipe ID and the element is the mapping of which profiles
 240  * is this recipe mapped to.
 241  */
 242 static void
 243 ice_get_recp_to_prof_map(struct ice_hw *hw)
 244 {
 245         ice_declare_bitmap(r_bitmap, ICE_MAX_NUM_RECIPES);
 246         u16 i;
 247
 248         for (i = 0; i < ICE_MAX_NUM_PROFILES; i++) {
 249                 u16 j;
 250
 251                 ice_zero_bitmap(r_bitmap, ICE_MAX_NUM_RECIPES);
 252                 if (ice_aq_get_recipe_to_profile(hw, i, (u8 *)r_bitmap, NULL))
 253                         continue;
 254
 255                 for (j = 0; j < ICE_MAX_NUM_RECIPES; j++)
 256                         if (ice_is_bit_set(r_bitmap, j))
 257                                 ice_set_bit(i, recipe_to_profile[j]);
 258         }
 259 }
 260
 261 /**
 262  * ice_init_def_sw_recp - initialize the recipe book keeping tables
 263  * @hw: pointer to the HW struct
 264  *
 265  * Allocate memory for the entire recipe table and initialize the structures/
 266  * entries corresponding to basic recipes.
 267  */
 268 enum ice_status ice_init_def_sw_recp(struct ice_hw *hw)
 269 {
 270         struct ice_sw_recipe *recps;
 271         u8 i;
 272
 273         recps = (struct ice_sw_recipe *)
 274                 ice_calloc(hw, ICE_MAX_NUM_RECIPES, sizeof(*recps));
 275         if (!recps)
 276                 return ICE_ERR_NO_MEMORY;
 277
 278         for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
 279                 recps[i].root_rid = i;
 280                 INIT_LIST_HEAD(&recps[i].filt_rules);
 281                 INIT_LIST_HEAD(&recps[i].filt_replay_rules);
 282                 INIT_LIST_HEAD(&recps[i].rg_list);
 283                 ice_init_lock(&recps[i].filt_rule_lock);
 284         }
 285
 286         hw->switch_info->recp_list = recps;
 287
 288         return ICE_SUCCESS;
 289 }
 290
 291 /**
 292  * ice_aq_get_sw_cfg - get switch configuration
 293  * @hw: pointer to the hardware structure
 294  * @buf: pointer to the result buffer
 295  * @buf_size: length of the buffer available for response
 296  * @req_desc: pointer to requested descriptor
 297  * @num_elems: pointer to number of elements
 298  * @cd: pointer to command details structure or NULL
 299  *
 300  * Get switch configuration (0x0200) to be placed in 'buff'.
 301  * This admin command returns information such as initial VSI/port number
 302  * and switch ID it belongs to.
 303  *
 304  * NOTE: *req_desc is both an input/output parameter.
 305  * The caller of this function first calls this function with *request_desc set
 306  * to 0. If the response from f/w has *req_desc set to 0, all the switch
 307  * configuration information has been returned; if non-zero (meaning not all
 308  * the information was returned), the caller should call this function again
 309  * with *req_desc set to the previous value returned by f/w to get the
 310  * next block of switch configuration information.
 311  *
 312  * *num_elems is output only parameter. This reflects the number of elements
 313  * in response buffer. The caller of this function to use *num_elems while
 314  * parsing the response buffer.
 315  */
 316 static enum ice_status
 317 ice_aq_get_sw_cfg(struct ice_hw *hw, struct ice_aqc_get_sw_cfg_resp *buf,
 318                   u16 buf_size, u16 *req_desc, u16 *num_elems,
 319                   struct ice_sq_cd *cd)
 320 {
 321         struct ice_aqc_get_sw_cfg *cmd;
 322         enum ice_status status;
 323         struct ice_aq_desc desc;
 324
 325         ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_sw_cfg);
 326         cmd = &desc.params.get_sw_conf;
 327         cmd->element = CPU_TO_LE16(*req_desc);
 328
 329         status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
 330         if (!status) {
 331                 *req_desc = LE16_TO_CPU(cmd->element);
 332                 *num_elems = LE16_TO_CPU(cmd->num_elems);
 333         }
 334
 335         return status;
 336 }
 337
 338
 339 /**
 340  * ice_alloc_sw - allocate resources specific to switch
 341  * @hw: pointer to the HW struct
 342  * @ena_stats: true to turn on VEB stats
 343  * @shared_res: true for shared resource, false for dedicated resource
 344  * @sw_id: switch ID returned
 345  * @counter_id: VEB counter ID returned
 346  *
 347  * allocates switch resources (SWID and VEB counter) (0x0208)
 348  */
 349 enum ice_status
 350 ice_alloc_sw(struct ice_hw *hw, bool ena_stats, bool shared_res, u16 *sw_id,
 351              u16 *counter_id)
 352 {
 353         struct ice_aqc_alloc_free_res_elem *sw_buf;
 354         struct ice_aqc_res_elem *sw_ele;
 355         enum ice_status status;
 356         u16 buf_len;
 357
 358         buf_len = sizeof(*sw_buf);
 359         sw_buf = (struct ice_aqc_alloc_free_res_elem *)
 360                    ice_malloc(hw, buf_len);
 361         if (!sw_buf)
 362                 return ICE_ERR_NO_MEMORY;
 363
 364         /* Prepare buffer for switch ID.
 365          * The number of resource entries in buffer is passed as 1 since only a
 366          * single switch/VEB instance is allocated, and hence a single sw_id
 367          * is requested.
 368          */
 369         sw_buf->num_elems = CPU_TO_LE16(1);
 370         sw_buf->res_type =
 371                 CPU_TO_LE16(ICE_AQC_RES_TYPE_SWID |
 372                             (shared_res ? ICE_AQC_RES_TYPE_FLAG_SHARED :
 373                             ICE_AQC_RES_TYPE_FLAG_DEDICATED));
 374
 375         status = ice_aq_alloc_free_res(hw, 1, sw_buf, buf_len,
 376                                        ice_aqc_opc_alloc_res, NULL);
 377
 378         if (status)
 379                 goto ice_alloc_sw_exit;
 380
 381         sw_ele = &sw_buf->elem[0];
 382         *sw_id = LE16_TO_CPU(sw_ele->e.sw_resp);
 383
 384         if (ena_stats) {
 385                 /* Prepare buffer for VEB Counter */
 386                 enum ice_adminq_opc opc = ice_aqc_opc_alloc_res;
 387                 struct ice_aqc_alloc_free_res_elem *counter_buf;
 388                 struct ice_aqc_res_elem *counter_ele;
 389
 390                 counter_buf = (struct ice_aqc_alloc_free_res_elem *)
 391                                 ice_malloc(hw, buf_len);
 392                 if (!counter_buf) {
 393                         status = ICE_ERR_NO_MEMORY;
 394                         goto ice_alloc_sw_exit;
 395                 }
 396
 397                 /* The number of resource entries in buffer is passed as 1 since
 398                  * only a single switch/VEB instance is allocated, and hence a
 399                  * single VEB counter is requested.
 400                  */
 401                 counter_buf->num_elems = CPU_TO_LE16(1);
 402                 counter_buf->res_type =
 403                         CPU_TO_LE16(ICE_AQC_RES_TYPE_VEB_COUNTER |
 404                                     ICE_AQC_RES_TYPE_FLAG_DEDICATED);
 405                 status = ice_aq_alloc_free_res(hw, 1, counter_buf, buf_len,
 406                                                opc, NULL);
 407
 408                 if (status) {
 409                         ice_free(hw, counter_buf);
 410                         goto ice_alloc_sw_exit;
 411                 }
 412                 counter_ele = &counter_buf->elem[0];
 413                 *counter_id = LE16_TO_CPU(counter_ele->e.sw_resp);
 414                 ice_free(hw, counter_buf);
 415         }
 416
 417 ice_alloc_sw_exit:
 418         ice_free(hw, sw_buf);
 419         return status;
 420 }
 421
 422 /**
 423  * ice_free_sw - free resources specific to switch
 424  * @hw: pointer to the HW struct
 425  * @sw_id: switch ID returned
 426  * @counter_id: VEB counter ID returned
 427  *
 428  * free switch resources (SWID and VEB counter) (0x0209)
 429  *
 430  * NOTE: This function frees multiple resources. It continues
 431  * releasing other resources even after it encounters error.
 432  * The error code returned is the last error it encountered.
 433  */
 434 enum ice_status ice_free_sw(struct ice_hw *hw, u16 sw_id, u16 counter_id)
 435 {
 436         struct ice_aqc_alloc_free_res_elem *sw_buf, *counter_buf;
 437         enum ice_status status, ret_status;
 438         u16 buf_len;
 439
 440         buf_len = sizeof(*sw_buf);
 441         sw_buf = (struct ice_aqc_alloc_free_res_elem *)
 442                    ice_malloc(hw, buf_len);
 443         if (!sw_buf)
 444                 return ICE_ERR_NO_MEMORY;
 445
 446         /* Prepare buffer to free for switch ID res.
 447          * The number of resource entries in buffer is passed as 1 since only a
 448          * single switch/VEB instance is freed, and hence a single sw_id
 449          * is released.
 450          */
 451         sw_buf->num_elems = CPU_TO_LE16(1);
 452         sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_SWID);
 453         sw_buf->elem[0].e.sw_resp = CPU_TO_LE16(sw_id);
 454
 455         ret_status = ice_aq_alloc_free_res(hw, 1, sw_buf, buf_len,
 456                                            ice_aqc_opc_free_res, NULL);
 457
 458         if (ret_status)
 459                 ice_debug(hw, ICE_DBG_SW, "CQ CMD Buffer:\n");
 460
 461         /* Prepare buffer to free for VEB Counter resource */
 462         counter_buf = (struct ice_aqc_alloc_free_res_elem *)
 463                         ice_malloc(hw, buf_len);
 464         if (!counter_buf) {
 465                 ice_free(hw, sw_buf);
 466                 return ICE_ERR_NO_MEMORY;
 467         }
 468
 469         /* The number of resource entries in buffer is passed as 1 since only a
 470          * single switch/VEB instance is freed, and hence a single VEB counter
 471          * is released
 472          */
 473         counter_buf->num_elems = CPU_TO_LE16(1);
 474         counter_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_VEB_COUNTER);
 475         counter_buf->elem[0].e.sw_resp = CPU_TO_LE16(counter_id);
 476
 477         status = ice_aq_alloc_free_res(hw, 1, counter_buf, buf_len,
 478                                        ice_aqc_opc_free_res, NULL);
 479         if (status) {
 480                 ice_debug(hw, ICE_DBG_SW,
 481                           "VEB counter resource could not be freed\n");
 482                 ret_status = status;
 483         }
 484
 485         ice_free(hw, counter_buf);
 486         ice_free(hw, sw_buf);
 487         return ret_status;
 488 }
 489
 490 /**
 491  * ice_aq_add_vsi
 492  * @hw: pointer to the HW struct
 493  * @vsi_ctx: pointer to a VSI context struct
 494  * @cd: pointer to command details structure or NULL
 495  *
 496  * Add a VSI context to the hardware (0x0210)
 497  */
 498 enum ice_status
 499 ice_aq_add_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx,
 500                struct ice_sq_cd *cd)
 501 {
 502         struct ice_aqc_add_update_free_vsi_resp *res;
 503         struct ice_aqc_add_get_update_free_vsi *cmd;
 504         struct ice_aq_desc desc;
 505         enum ice_status status;
 506
 507         cmd = &desc.params.vsi_cmd;
 508         res = &desc.params.add_update_free_vsi_res;
 509
 510         ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_vsi);
 511
 512         if (!vsi_ctx->alloc_from_pool)
 513                 cmd->vsi_num = CPU_TO_LE16(vsi_ctx->vsi_num |
 514                                            ICE_AQ_VSI_IS_VALID);
 515
 516         cmd->vsi_flags = CPU_TO_LE16(vsi_ctx->flags);
 517
 518         desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
 519
 520         status = ice_aq_send_cmd(hw, &desc, &vsi_ctx->info,
 521                                  sizeof(vsi_ctx->info), cd);
 522
 523         if (!status) {
 524                 vsi_ctx->vsi_num = LE16_TO_CPU(res->vsi_num) & ICE_AQ_VSI_NUM_M;
 525                 vsi_ctx->vsis_allocd = LE16_TO_CPU(res->vsi_used);
 526                 vsi_ctx->vsis_unallocated = LE16_TO_CPU(res->vsi_free);
 527         }
 528
 529         return status;
 530 }
 531
 532 /**
 533  * ice_aq_free_vsi
 534  * @hw: pointer to the HW struct
 535  * @vsi_ctx: pointer to a VSI context struct
 536  * @keep_vsi_alloc: keep VSI allocation as part of this PF's resources
 537  * @cd: pointer to command details structure or NULL
 538  *
 539  * Free VSI context info from hardware (0x0213)
 540  */
 541 enum ice_status
 542 ice_aq_free_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx,
 543                 bool keep_vsi_alloc, struct ice_sq_cd *cd)
 544 {
 545         struct ice_aqc_add_update_free_vsi_resp *resp;
 546         struct ice_aqc_add_get_update_free_vsi *cmd;
 547         struct ice_aq_desc desc;
 548         enum ice_status status;
 549
 550         cmd = &desc.params.vsi_cmd;
 551         resp = &desc.params.add_update_free_vsi_res;
 552
 553         ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_free_vsi);
 554
 555         cmd->vsi_num = CPU_TO_LE16(vsi_ctx->vsi_num | ICE_AQ_VSI_IS_VALID);
 556         if (keep_vsi_alloc)
 557                 cmd->cmd_flags = CPU_TO_LE16(ICE_AQ_VSI_KEEP_ALLOC);
 558
 559         status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
 560         if (!status) {
 561                 vsi_ctx->vsis_allocd = LE16_TO_CPU(resp->vsi_used);
 562                 vsi_ctx->vsis_unallocated = LE16_TO_CPU(resp->vsi_free);
 563         }
 564
 565         return status;
 566 }
 567
 568 /**
 569  * ice_aq_update_vsi
 570  * @hw: pointer to the HW struct
 571  * @vsi_ctx: pointer to a VSI context struct
 572  * @cd: pointer to command details structure or NULL
 573  *
 574  * Update VSI context in the hardware (0x0211)
 575  */
 576 enum ice_status
 577 ice_aq_update_vsi(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx,
 578                   struct ice_sq_cd *cd)
 579 {
 580         struct ice_aqc_add_update_free_vsi_resp *resp;
 581         struct ice_aqc_add_get_update_free_vsi *cmd;
 582         struct ice_aq_desc desc;
 583         enum ice_status status;
 584
 585         cmd = &desc.params.vsi_cmd;
 586         resp = &desc.params.add_update_free_vsi_res;
 587
 588         ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_update_vsi);
 589
 590         cmd->vsi_num = CPU_TO_LE16(vsi_ctx->vsi_num | ICE_AQ_VSI_IS_VALID);
 591
 592         desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
 593
 594         status = ice_aq_send_cmd(hw, &desc, &vsi_ctx->info,
 595                                  sizeof(vsi_ctx->info), cd);
 596
 597         if (!status) {
 598                 vsi_ctx->vsis_allocd = LE16_TO_CPU(resp->vsi_used);
 599                 vsi_ctx->vsis_unallocated = LE16_TO_CPU(resp->vsi_free);
 600         }
 601
 602         return status;
 603 }
 604
 605 /**
 606  * ice_is_vsi_valid - check whether the VSI is valid or not
 607  * @hw: pointer to the HW struct
 608  * @vsi_handle: VSI handle
 609  *
 610  * check whether the VSI is valid or not
 611  */
 612 bool ice_is_vsi_valid(struct ice_hw *hw, u16 vsi_handle)
 613 {
 614         return vsi_handle < ICE_MAX_VSI && hw->vsi_ctx[vsi_handle];
 615 }
 616
 617 /**
 618  * ice_get_hw_vsi_num - return the HW VSI number
 619  * @hw: pointer to the HW struct
 620  * @vsi_handle: VSI handle
 621  *
 622  * return the HW VSI number
 623  * Caution: call this function only if VSI is valid (ice_is_vsi_valid)
 624  */
 625 u16 ice_get_hw_vsi_num(struct ice_hw *hw, u16 vsi_handle)
 626 {
 627         return hw->vsi_ctx[vsi_handle]->vsi_num;
 628 }
 629
 630 /**
 631  * ice_get_vsi_ctx - return the VSI context entry for a given VSI handle
 632  * @hw: pointer to the HW struct
 633  * @vsi_handle: VSI handle
 634  *
 635  * return the VSI context entry for a given VSI handle
 636  */
 637 struct ice_vsi_ctx *ice_get_vsi_ctx(struct ice_hw *hw, u16 vsi_handle)
 638 {
 639         return (vsi_handle >= ICE_MAX_VSI) ? NULL : hw->vsi_ctx[vsi_handle];
 640 }
 641
 642 /**
 643  * ice_save_vsi_ctx - save the VSI context for a given VSI handle
 644  * @hw: pointer to the HW struct
 645  * @vsi_handle: VSI handle
 646  * @vsi: VSI context pointer
 647  *
 648  * save the VSI context entry for a given VSI handle
 649  */
 650 static void
 651 ice_save_vsi_ctx(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi)
 652 {
 653         hw->vsi_ctx[vsi_handle] = vsi;
 654 }
 655
 656 /**
 657  * ice_clear_vsi_q_ctx - clear VSI queue contexts for all TCs
 658  * @hw: pointer to the HW struct
 659  * @vsi_handle: VSI handle
 660  */
 661 static void ice_clear_vsi_q_ctx(struct ice_hw *hw, u16 vsi_handle)
 662 {
 663         struct ice_vsi_ctx *vsi;
 664         u8 i;
 665
 666         vsi = ice_get_vsi_ctx(hw, vsi_handle);
 667         if (!vsi)
 668                 return;
 669         ice_for_each_traffic_class(i) {
 670                 if (vsi->lan_q_ctx[i]) {
 671                         ice_free(hw, vsi->lan_q_ctx[i]);
 672                         vsi->lan_q_ctx[i] = NULL;
 673                 }
 674         }
 675 }
 676
 677 /**
 678  * ice_clear_vsi_ctx - clear the VSI context entry
 679  * @hw: pointer to the HW struct
 680  * @vsi_handle: VSI handle
 681  *
 682  * clear the VSI context entry
 683  */
 684 static void ice_clear_vsi_ctx(struct ice_hw *hw, u16 vsi_handle)
 685 {
 686         struct ice_vsi_ctx *vsi;
 687
 688         vsi = ice_get_vsi_ctx(hw, vsi_handle);
 689         if (vsi) {
 690                 if (!LIST_EMPTY(&vsi->rss_list_head))
 691                         ice_rem_all_rss_vsi_ctx(hw, vsi_handle);
 692                 ice_clear_vsi_q_ctx(hw, vsi_handle);
 693                 ice_destroy_lock(&vsi->rss_locks);
 694                 ice_free(hw, vsi);
 695                 hw->vsi_ctx[vsi_handle] = NULL;
 696         }
 697 }
 698
 699 /**
 700  * ice_clear_all_vsi_ctx - clear all the VSI context entries
 701  * @hw: pointer to the HW struct
 702  */
 703 void ice_clear_all_vsi_ctx(struct ice_hw *hw)
 704 {
 705         u16 i;
 706
 707         for (i = 0; i < ICE_MAX_VSI; i++)
 708                 ice_clear_vsi_ctx(hw, i);
 709 }
 710
 711 /**
 712  * ice_add_vsi - add VSI context to the hardware and VSI handle list
 713  * @hw: pointer to the HW struct
 714  * @vsi_handle: unique VSI handle provided by drivers
 715  * @vsi_ctx: pointer to a VSI context struct
 716  * @cd: pointer to command details structure or NULL
 717  *
 718  * Add a VSI context to the hardware also add it into the VSI handle list.
 719  * If this function gets called after reset for existing VSIs then update
 720  * with the new HW VSI number in the corresponding VSI handle list entry.
 721  */
 722 enum ice_status
 723 ice_add_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
 724             struct ice_sq_cd *cd)
 725 {
 726         struct ice_vsi_ctx *tmp_vsi_ctx;
 727         enum ice_status status;
 728
 729         if (vsi_handle >= ICE_MAX_VSI)
 730                 return ICE_ERR_PARAM;
 731         status = ice_aq_add_vsi(hw, vsi_ctx, cd);
 732         if (status)
 733                 return status;
 734         tmp_vsi_ctx = ice_get_vsi_ctx(hw, vsi_handle);
 735         if (!tmp_vsi_ctx) {
 736                 /* Create a new VSI context */
 737                 tmp_vsi_ctx = (struct ice_vsi_ctx *)
 738                         ice_malloc(hw, sizeof(*tmp_vsi_ctx));
 739                 if (!tmp_vsi_ctx) {
 740                         ice_aq_free_vsi(hw, vsi_ctx, false, cd);
 741                         return ICE_ERR_NO_MEMORY;
 742                 }
 743                 *tmp_vsi_ctx = *vsi_ctx;
 744                 ice_init_lock(&tmp_vsi_ctx->rss_locks);
 745                 INIT_LIST_HEAD(&tmp_vsi_ctx->rss_list_head);
 746                 ice_save_vsi_ctx(hw, vsi_handle, tmp_vsi_ctx);
 747         } else {
 748                 /* update with new HW VSI num */
 749                 if (tmp_vsi_ctx->vsi_num != vsi_ctx->vsi_num)
 750                         tmp_vsi_ctx->vsi_num = vsi_ctx->vsi_num;
 751         }
 752
 753         return ICE_SUCCESS;
 754 }
 755
 756 /**
 757  * ice_free_vsi- free VSI context from hardware and VSI handle list
 758  * @hw: pointer to the HW struct
 759  * @vsi_handle: unique VSI handle
 760  * @vsi_ctx: pointer to a VSI context struct
 761  * @keep_vsi_alloc: keep VSI allocation as part of this PF's resources
 762  * @cd: pointer to command details structure or NULL
 763  *
 764  * Free VSI context info from hardware as well as from VSI handle list
 765  */
 766 enum ice_status
 767 ice_free_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
 768              bool keep_vsi_alloc, struct ice_sq_cd *cd)
 769 {
 770         enum ice_status status;
 771
 772         if (!ice_is_vsi_valid(hw, vsi_handle))
 773                 return ICE_ERR_PARAM;
 774         vsi_ctx->vsi_num = ice_get_hw_vsi_num(hw, vsi_handle);
 775         status = ice_aq_free_vsi(hw, vsi_ctx, keep_vsi_alloc, cd);
 776         if (!status)
 777                 ice_clear_vsi_ctx(hw, vsi_handle);
 778         return status;
 779 }
 780
 781 /**
 782  * ice_update_vsi
 783  * @hw: pointer to the HW struct
 784  * @vsi_handle: unique VSI handle
 785  * @vsi_ctx: pointer to a VSI context struct
 786  * @cd: pointer to command details structure or NULL
 787  *
 788  * Update VSI context in the hardware
 789  */
 790 enum ice_status
 791 ice_update_vsi(struct ice_hw *hw, u16 vsi_handle, struct ice_vsi_ctx *vsi_ctx,
 792                struct ice_sq_cd *cd)
 793 {
 794         if (!ice_is_vsi_valid(hw, vsi_handle))
 795                 return ICE_ERR_PARAM;
 796         vsi_ctx->vsi_num = ice_get_hw_vsi_num(hw, vsi_handle);
 797         return ice_aq_update_vsi(hw, vsi_ctx, cd);
 798 }
 799
 800 /**
 801  * ice_aq_get_vsi_params
 802  * @hw: pointer to the HW struct
 803  * @vsi_ctx: pointer to a VSI context struct
 804  * @cd: pointer to command details structure or NULL
 805  *
 806  * Get VSI context info from hardware (0x0212)
 807  */
 808 enum ice_status
 809 ice_aq_get_vsi_params(struct ice_hw *hw, struct ice_vsi_ctx *vsi_ctx,
 810                       struct ice_sq_cd *cd)
 811 {
 812         struct ice_aqc_add_get_update_free_vsi *cmd;
 813         struct ice_aqc_get_vsi_resp *resp;
 814         struct ice_aq_desc desc;
 815         enum ice_status status;
 816
 817         cmd = &desc.params.vsi_cmd;
 818         resp = &desc.params.get_vsi_resp;
 819
 820         ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_vsi_params);
 821
 822         cmd->vsi_num = CPU_TO_LE16(vsi_ctx->vsi_num | ICE_AQ_VSI_IS_VALID);
 823
 824         status = ice_aq_send_cmd(hw, &desc, &vsi_ctx->info,
 825                                  sizeof(vsi_ctx->info), cd);
 826         if (!status) {
 827                 vsi_ctx->vsi_num = LE16_TO_CPU(resp->vsi_num) &
 828                                         ICE_AQ_VSI_NUM_M;
 829                 vsi_ctx->vsis_allocd = LE16_TO_CPU(resp->vsi_used);
 830                 vsi_ctx->vsis_unallocated = LE16_TO_CPU(resp->vsi_free);
 831         }
 832
 833         return status;
 834 }
 835
 836 /**
 837  * ice_aq_add_update_mir_rule - add/update a mirror rule
 838  * @hw: pointer to the HW struct
 839  * @rule_type: Rule Type
 840  * @dest_vsi: VSI number to which packets will be mirrored
 841  * @count: length of the list
 842  * @mr_buf: buffer for list of mirrored VSI numbers
 843  * @cd: pointer to command details structure or NULL
 844  * @rule_id: Rule ID
 845  *
 846  * Add/Update Mirror Rule (0x260).
 847  */
 848 enum ice_status
 849 ice_aq_add_update_mir_rule(struct ice_hw *hw, u16 rule_type, u16 dest_vsi,
 850                            u16 count, struct ice_mir_rule_buf *mr_buf,
 851                            struct ice_sq_cd *cd, u16 *rule_id)
 852 {
 853         struct ice_aqc_add_update_mir_rule *cmd;
 854         struct ice_aq_desc desc;
 855         enum ice_status status;
 856         __le16 *mr_list = NULL;
 857         u16 buf_size = 0;
 858
 859         switch (rule_type) {
 860         case ICE_AQC_RULE_TYPE_VPORT_INGRESS:
 861         case ICE_AQC_RULE_TYPE_VPORT_EGRESS:
 862                 /* Make sure count and mr_buf are set for these rule_types */
 863                 if (!(count && mr_buf))
 864                         return ICE_ERR_PARAM;
 865
 866                 buf_size = count * sizeof(__le16);
 867                 mr_list = (__le16 *)ice_malloc(hw, buf_size);
 868                 if (!mr_list)
 869                         return ICE_ERR_NO_MEMORY;
 870                 break;
 871         case ICE_AQC_RULE_TYPE_PPORT_INGRESS:
 872         case ICE_AQC_RULE_TYPE_PPORT_EGRESS:
 873                 /* Make sure count and mr_buf are not set for these
 874                  * rule_types
 875                  */
 876                 if (count || mr_buf)
 877                         return ICE_ERR_PARAM;
 878                 break;
 879         default:
 880                 ice_debug(hw, ICE_DBG_SW,
 881                           "Error due to unsupported rule_type %u\n", rule_type);
 882                 return ICE_ERR_OUT_OF_RANGE;
 883         }
 884
 885         ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_update_mir_rule);
 886
 887         /* Pre-process 'mr_buf' items for add/update of virtual port
 888          * ingress/egress mirroring (but not physical port ingress/egress
 889          * mirroring)
 890          */
 891         if (mr_buf) {
 892                 int i;
 893
 894                 for (i = 0; i < count; i++) {
 895                         u16 id;
 896
 897                         id = mr_buf[i].vsi_idx & ICE_AQC_RULE_MIRRORED_VSI_M;
 898
 899                         /* Validate specified VSI number, make sure it is less
 900                          * than ICE_MAX_VSI, if not return with error.
 901                          */
 902                         if (id >= ICE_MAX_VSI) {
 903                                 ice_debug(hw, ICE_DBG_SW,
 904                                           "Error VSI index (%u) out-of-range\n",
 905                                           id);
 906                                 ice_free(hw, mr_list);
 907                                 return ICE_ERR_OUT_OF_RANGE;
 908                         }
 909
 910                         /* add VSI to mirror rule */
 911                         if (mr_buf[i].add)
 912                                 mr_list[i] =
 913                                         CPU_TO_LE16(id | ICE_AQC_RULE_ACT_M);
 914                         else /* remove VSI from mirror rule */
 915                                 mr_list[i] = CPU_TO_LE16(id);
 916                 }
 917         }
 918
 919         cmd = &desc.params.add_update_rule;
 920         if ((*rule_id) != ICE_INVAL_MIRROR_RULE_ID)
 921                 cmd->rule_id = CPU_TO_LE16(((*rule_id) & ICE_AQC_RULE_ID_M) |
 922                                            ICE_AQC_RULE_ID_VALID_M);
 923         cmd->rule_type = CPU_TO_LE16(rule_type & ICE_AQC_RULE_TYPE_M);
 924         cmd->num_entries = CPU_TO_LE16(count);
 925         cmd->dest = CPU_TO_LE16(dest_vsi);
 926
 927         status = ice_aq_send_cmd(hw, &desc, mr_list, buf_size, cd);
 928         if (!status)
 929                 *rule_id = LE16_TO_CPU(cmd->rule_id) & ICE_AQC_RULE_ID_M;
 930
 931         ice_free(hw, mr_list);
 932
 933         return status;
 934 }
 935
 936 /**
 937  * ice_aq_delete_mir_rule - delete a mirror rule
 938  * @hw: pointer to the HW struct
 939  * @rule_id: Mirror rule ID (to be deleted)
 940  * @keep_allocd: if set, the VSI stays part of the PF allocated res,
 941  *               otherwise it is returned to the shared pool
 942  * @cd: pointer to command details structure or NULL
 943  *
 944  * Delete Mirror Rule (0x261).
 945  */
 946 enum ice_status
 947 ice_aq_delete_mir_rule(struct ice_hw *hw, u16 rule_id, bool keep_allocd,
 948                        struct ice_sq_cd *cd)
 949 {
 950         struct ice_aqc_delete_mir_rule *cmd;
 951         struct ice_aq_desc desc;
 952
 953         /* rule_id should be in the range 0...63 */
 954         if (rule_id >= ICE_MAX_NUM_MIRROR_RULES)
 955                 return ICE_ERR_OUT_OF_RANGE;
 956
 957         ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_del_mir_rule);
 958
 959         cmd = &desc.params.del_rule;
 960         rule_id |= ICE_AQC_RULE_ID_VALID_M;
 961         cmd->rule_id = CPU_TO_LE16(rule_id);
 962
 963         if (keep_allocd)
 964                 cmd->flags = CPU_TO_LE16(ICE_AQC_FLAG_KEEP_ALLOCD_M);
 965
 966         return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
 967 }
 968
 969 /**
 970  * ice_aq_alloc_free_vsi_list
 971  * @hw: pointer to the HW struct
 972  * @vsi_list_id: VSI list ID returned or used for lookup
 973  * @lkup_type: switch rule filter lookup type
 974  * @opc: switch rules population command type - pass in the command opcode
 975  *
 976  * allocates or free a VSI list resource
 977  */
 978 static enum ice_status
 979 ice_aq_alloc_free_vsi_list(struct ice_hw *hw, u16 *vsi_list_id,
 980                            enum ice_sw_lkup_type lkup_type,
 981                            enum ice_adminq_opc opc)
 982 {
 983         struct ice_aqc_alloc_free_res_elem *sw_buf;
 984         struct ice_aqc_res_elem *vsi_ele;
 985         enum ice_status status;
 986         u16 buf_len;
 987
 988         buf_len = sizeof(*sw_buf);
 989         sw_buf = (struct ice_aqc_alloc_free_res_elem *)
 990                 ice_malloc(hw, buf_len);
 991         if (!sw_buf)
 992                 return ICE_ERR_NO_MEMORY;
 993         sw_buf->num_elems = CPU_TO_LE16(1);
 994
 995         if (lkup_type == ICE_SW_LKUP_MAC ||
 996             lkup_type == ICE_SW_LKUP_MAC_VLAN ||
 997             lkup_type == ICE_SW_LKUP_ETHERTYPE ||
 998             lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC ||
 999             lkup_type == ICE_SW_LKUP_PROMISC ||
1000             lkup_type == ICE_SW_LKUP_PROMISC_VLAN ||
1001             lkup_type == ICE_SW_LKUP_LAST) {
1002                 sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_VSI_LIST_REP);
1003         } else if (lkup_type == ICE_SW_LKUP_VLAN) {
1004                 sw_buf->res_type =
1005                         CPU_TO_LE16(ICE_AQC_RES_TYPE_VSI_LIST_PRUNE);
1006         } else {
1007                 status = ICE_ERR_PARAM;
1008                 goto ice_aq_alloc_free_vsi_list_exit;
1009         }
1010
1011         if (opc == ice_aqc_opc_free_res)
1012                 sw_buf->elem[0].e.sw_resp = CPU_TO_LE16(*vsi_list_id);
1013
1014         status = ice_aq_alloc_free_res(hw, 1, sw_buf, buf_len, opc, NULL);
1015         if (status)
1016                 goto ice_aq_alloc_free_vsi_list_exit;
1017
1018         if (opc == ice_aqc_opc_alloc_res) {
1019                 vsi_ele = &sw_buf->elem[0];
1020                 *vsi_list_id = LE16_TO_CPU(vsi_ele->e.sw_resp);
1021         }
1022
1023 ice_aq_alloc_free_vsi_list_exit:
1024         ice_free(hw, sw_buf);
1025         return status;
1026 }
1027
1028 /**
1029  * ice_aq_set_storm_ctrl - Sets storm control configuration
1030  * @hw: pointer to the HW struct
1031  * @bcast_thresh: represents the upper threshold for broadcast storm control
1032  * @mcast_thresh: represents the upper threshold for multicast storm control
1033  * @ctl_bitmask: storm control control knobs
1034  *
1035  * Sets the storm control configuration (0x0280)
1036  */
1037 enum ice_status
1038 ice_aq_set_storm_ctrl(struct ice_hw *hw, u32 bcast_thresh, u32 mcast_thresh,
1039                       u32 ctl_bitmask)
1040 {
1041         struct ice_aqc_storm_cfg *cmd;
1042         struct ice_aq_desc desc;
1043
1044         cmd = &desc.params.storm_conf;
1045
1046         ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_set_storm_cfg);
1047
1048         cmd->bcast_thresh_size = CPU_TO_LE32(bcast_thresh & ICE_AQ_THRESHOLD_M);
1049         cmd->mcast_thresh_size = CPU_TO_LE32(mcast_thresh & ICE_AQ_THRESHOLD_M);
1050         cmd->storm_ctrl_ctrl = CPU_TO_LE32(ctl_bitmask);
1051
1052         return ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
1053 }
1054
1055 /**
1056  * ice_aq_get_storm_ctrl - gets storm control configuration
1057  * @hw: pointer to the HW struct
1058  * @bcast_thresh: represents the upper threshold for broadcast storm control
1059  * @mcast_thresh: represents the upper threshold for multicast storm control
1060  * @ctl_bitmask: storm control control knobs
1061  *
1062  * Gets the storm control configuration (0x0281)
1063  */
1064 enum ice_status
1065 ice_aq_get_storm_ctrl(struct ice_hw *hw, u32 *bcast_thresh, u32 *mcast_thresh,
1066                       u32 *ctl_bitmask)
1067 {
1068         enum ice_status status;
1069         struct ice_aq_desc desc;
1070
1071         ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_storm_cfg);
1072
1073         status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
1074         if (!status) {
1075                 struct ice_aqc_storm_cfg *resp = &desc.params.storm_conf;
1076
1077                 if (bcast_thresh)
1078                         *bcast_thresh = LE32_TO_CPU(resp->bcast_thresh_size) &
1079                                 ICE_AQ_THRESHOLD_M;
1080                 if (mcast_thresh)
1081                         *mcast_thresh = LE32_TO_CPU(resp->mcast_thresh_size) &
1082                                 ICE_AQ_THRESHOLD_M;
1083                 if (ctl_bitmask)
1084                         *ctl_bitmask = LE32_TO_CPU(resp->storm_ctrl_ctrl);
1085         }
1086
1087         return status;
1088 }
1089
1090 /**
1091  * ice_aq_sw_rules - add/update/remove switch rules
1092  * @hw: pointer to the HW struct
1093  * @rule_list: pointer to switch rule population list
1094  * @rule_list_sz: total size of the rule list in bytes
1095  * @num_rules: number of switch rules in the rule_list
1096  * @opc: switch rules population command type - pass in the command opcode
1097  * @cd: pointer to command details structure or NULL
1098  *
1099  * Add(0x02a0)/Update(0x02a1)/Remove(0x02a2) switch rules commands to firmware
1100  */
1101 static enum ice_status
1102 ice_aq_sw_rules(struct ice_hw *hw, void *rule_list, u16 rule_list_sz,
1103                 u8 num_rules, enum ice_adminq_opc opc, struct ice_sq_cd *cd)
1104 {
1105         struct ice_aq_desc desc;
1106
1107         ice_debug(hw, ICE_DBG_TRACE, "ice_aq_sw_rules");
1108
1109         if (opc != ice_aqc_opc_add_sw_rules &&
1110             opc != ice_aqc_opc_update_sw_rules &&
1111             opc != ice_aqc_opc_remove_sw_rules)
1112                 return ICE_ERR_PARAM;
1113
1114         ice_fill_dflt_direct_cmd_desc(&desc, opc);
1115
1116         desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
1117         desc.params.sw_rules.num_rules_fltr_entry_index =
1118                 CPU_TO_LE16(num_rules);
1119         return ice_aq_send_cmd(hw, &desc, rule_list, rule_list_sz, cd);
1120 }
1121
1122 /**
1123  * ice_aq_add_recipe - add switch recipe
1124  * @hw: pointer to the HW struct
1125  * @s_recipe_list: pointer to switch rule population list
1126  * @num_recipes: number of switch recipes in the list
1127  * @cd: pointer to command details structure or NULL
1128  *
1129  * Add(0x0290)
1130  */
1131 enum ice_status
1132 ice_aq_add_recipe(struct ice_hw *hw,
1133                   struct ice_aqc_recipe_data_elem *s_recipe_list,
1134                   u16 num_recipes, struct ice_sq_cd *cd)
1135 {
1136         struct ice_aqc_add_get_recipe *cmd;
1137         struct ice_aq_desc desc;
1138         u16 buf_size;
1139
1140         ice_debug(hw, ICE_DBG_TRACE, "ice_aq_add_recipe");
1141         cmd = &desc.params.add_get_recipe;
1142         ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_add_recipe);
1143
1144         cmd->num_sub_recipes = CPU_TO_LE16(num_recipes);
1145         desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
1146
1147         buf_size = num_recipes * sizeof(*s_recipe_list);
1148
1149         return ice_aq_send_cmd(hw, &desc, s_recipe_list, buf_size, cd);
1150 }
1151
1152 /**
1153  * ice_aq_get_recipe - get switch recipe
1154  * @hw: pointer to the HW struct
1155  * @s_recipe_list: pointer to switch rule population list
1156  * @num_recipes: pointer to the number of recipes (input and output)
1157  * @recipe_root: root recipe number of recipe(s) to retrieve
1158  * @cd: pointer to command details structure or NULL
1159  *
1160  * Get(0x0292)
1161  *
1162  * On input, *num_recipes should equal the number of entries in s_recipe_list.
1163  * On output, *num_recipes will equal the number of entries returned in
1164  * s_recipe_list.
1165  *
1166  * The caller must supply enough space in s_recipe_list to hold all possible
1167  * recipes and *num_recipes must equal ICE_MAX_NUM_RECIPES.
1168  */
1169 enum ice_status
1170 ice_aq_get_recipe(struct ice_hw *hw,
1171                   struct ice_aqc_recipe_data_elem *s_recipe_list,
1172                   u16 *num_recipes, u16 recipe_root, struct ice_sq_cd *cd)
1173 {
1174         struct ice_aqc_add_get_recipe *cmd;
1175         struct ice_aq_desc desc;
1176         enum ice_status status;
1177         u16 buf_size;
1178
1179         if (*num_recipes != ICE_MAX_NUM_RECIPES)
1180                 return ICE_ERR_PARAM;
1181
1182         ice_debug(hw, ICE_DBG_TRACE, "ice_aq_get_recipe");
1183         cmd = &desc.params.add_get_recipe;
1184         ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_recipe);
1185
1186         cmd->return_index = CPU_TO_LE16(recipe_root);
1187         cmd->num_sub_recipes = 0;
1188
1189         buf_size = *num_recipes * sizeof(*s_recipe_list);
1190
1191         status = ice_aq_send_cmd(hw, &desc, s_recipe_list, buf_size, cd);
1192         /* cppcheck-suppress constArgument */
1193         *num_recipes = LE16_TO_CPU(cmd->num_sub_recipes);
1194
1195         return status;
1196 }
1197
1198 /**
1199  * ice_aq_map_recipe_to_profile - Map recipe to packet profile
1200  * @hw: pointer to the HW struct
1201  * @profile_id: package profile ID to associate the recipe with
1202  * @r_bitmap: Recipe bitmap filled in and need to be returned as response
1203  * @cd: pointer to command details structure or NULL
1204  * Recipe to profile association (0x0291)
1205  */
1206 enum ice_status
1207 ice_aq_map_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u8 *r_bitmap,
1208                              struct ice_sq_cd *cd)
1209 {
1210         struct ice_aqc_recipe_to_profile *cmd;
1211         struct ice_aq_desc desc;
1212
1213         ice_debug(hw, ICE_DBG_TRACE, "ice_aq_assoc_recipe_to_prof");
1214         cmd = &desc.params.recipe_to_profile;
1215         ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_recipe_to_profile);
1216         cmd->profile_id = CPU_TO_LE16(profile_id);
1217         /* Set the recipe ID bit in the bitmask to let the device know which
1218          * profile we are associating the recipe to
1219          */
1220         ice_memcpy(cmd->recipe_assoc, r_bitmap, sizeof(cmd->recipe_assoc),
1221                    ICE_NONDMA_TO_NONDMA);
1222
1223         return ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
1224 }
1225
1226 /**
1227  * ice_aq_get_recipe_to_profile - Map recipe to packet profile
1228  * @hw: pointer to the HW struct
1229  * @profile_id: package profile ID to associate the recipe with
1230  * @r_bitmap: Recipe bitmap filled in and need to be returned as response
1231  * @cd: pointer to command details structure or NULL
1232  * Associate profile ID with given recipe (0x0293)
1233  */
1234 enum ice_status
1235 ice_aq_get_recipe_to_profile(struct ice_hw *hw, u32 profile_id, u8 *r_bitmap,
1236                              struct ice_sq_cd *cd)
1237 {
1238         struct ice_aqc_recipe_to_profile *cmd;
1239         struct ice_aq_desc desc;
1240         enum ice_status status;
1241
1242         ice_debug(hw, ICE_DBG_TRACE, "ice_aq_get_recipe_to_prof");
1243         cmd = &desc.params.recipe_to_profile;
1244         ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_recipe_to_profile);
1245         cmd->profile_id = CPU_TO_LE16(profile_id);
1246
1247         status = ice_aq_send_cmd(hw, &desc, NULL, 0, cd);
1248         if (!status)
1249                 ice_memcpy(r_bitmap, cmd->recipe_assoc,
1250                            sizeof(cmd->recipe_assoc), ICE_NONDMA_TO_NONDMA);
1251
1252         return status;
1253 }
1254
1255 /**
1256  * ice_alloc_recipe - add recipe resource
1257  * @hw: pointer to the hardware structure
1258  * @rid: recipe ID returned as response to AQ call
1259  */
1260 enum ice_status ice_alloc_recipe(struct ice_hw *hw, u16 *rid)
1261 {
1262         struct ice_aqc_alloc_free_res_elem *sw_buf;
1263         enum ice_status status;
1264         u16 buf_len;
1265
1266         buf_len = sizeof(*sw_buf);
1267         sw_buf = (struct ice_aqc_alloc_free_res_elem *)ice_malloc(hw, buf_len);
1268         if (!sw_buf)
1269                 return ICE_ERR_NO_MEMORY;
1270
1271         sw_buf->num_elems = CPU_TO_LE16(1);
1272         sw_buf->res_type = CPU_TO_LE16((ICE_AQC_RES_TYPE_RECIPE <<
1273                                         ICE_AQC_RES_TYPE_S) |
1274                                         ICE_AQC_RES_TYPE_FLAG_SHARED);
1275         status = ice_aq_alloc_free_res(hw, 1, sw_buf, buf_len,
1276                                        ice_aqc_opc_alloc_res, NULL);
1277         if (!status)
1278                 *rid = LE16_TO_CPU(sw_buf->elem[0].e.sw_resp);
1279         ice_free(hw, sw_buf);
1280
1281         return status;
1282 }
1283
1284 /* ice_init_port_info - Initialize port_info with switch configuration data
1285  * @pi: pointer to port_info
1286  * @vsi_port_num: VSI number or port number
1287  * @type: Type of switch element (port or VSI)
1288  * @swid: switch ID of the switch the element is attached to
1289  * @pf_vf_num: PF or VF number
1290  * @is_vf: true if the element is a VF, false otherwise
1291  */
1292 static void
1293 ice_init_port_info(struct ice_port_info *pi, u16 vsi_port_num, u8 type,
1294                    u16 swid, u16 pf_vf_num, bool is_vf)
1295 {
1296         switch (type) {
1297         case ICE_AQC_GET_SW_CONF_RESP_PHYS_PORT:
1298                 pi->lport = (u8)(vsi_port_num & ICE_LPORT_MASK);
1299                 pi->sw_id = swid;
1300                 pi->pf_vf_num = pf_vf_num;
1301                 pi->is_vf = is_vf;
1302                 pi->dflt_tx_vsi_num = ICE_DFLT_VSI_INVAL;
1303                 pi->dflt_rx_vsi_num = ICE_DFLT_VSI_INVAL;
1304                 break;
1305         default:
1306                 ice_debug(pi->hw, ICE_DBG_SW,
1307                           "incorrect VSI/port type received\n");
1308                 break;
1309         }
1310 }
1311
1312 /* ice_get_initial_sw_cfg - Get initial port and default VSI data
1313  * @hw: pointer to the hardware structure
1314  */
1315 enum ice_status ice_get_initial_sw_cfg(struct ice_hw *hw)
1316 {
1317         struct ice_aqc_get_sw_cfg_resp *rbuf;
1318         enum ice_status status;
1319         u16 num_total_ports;
1320         u16 req_desc = 0;
1321         u16 num_elems;
1322         u16 j = 0;
1323         u16 i;
1324
1325         num_total_ports = 1;
1326
1327         rbuf = (struct ice_aqc_get_sw_cfg_resp *)
1328                 ice_malloc(hw, ICE_SW_CFG_MAX_BUF_LEN);
1329
1330         if (!rbuf)
1331                 return ICE_ERR_NO_MEMORY;
1332
1333         /* Multiple calls to ice_aq_get_sw_cfg may be required
1334          * to get all the switch configuration information. The need
1335          * for additional calls is indicated by ice_aq_get_sw_cfg
1336          * writing a non-zero value in req_desc
1337          */
1338         do {
1339                 status = ice_aq_get_sw_cfg(hw, rbuf, ICE_SW_CFG_MAX_BUF_LEN,
1340                                            &req_desc, &num_elems, NULL);
1341
1342                 if (status)
1343                         break;
1344
1345                 for (i = 0; i < num_elems; i++) {
1346                         struct ice_aqc_get_sw_cfg_resp_elem *ele;
1347                         u16 pf_vf_num, swid, vsi_port_num;
1348                         bool is_vf = false;
1349                         u8 type;
1350
1351                         ele = rbuf[i].elements;
1352                         vsi_port_num = LE16_TO_CPU(ele->vsi_port_num) &
1353                                 ICE_AQC_GET_SW_CONF_RESP_VSI_PORT_NUM_M;
1354
1355                         pf_vf_num = LE16_TO_CPU(ele->pf_vf_num) &
1356                                 ICE_AQC_GET_SW_CONF_RESP_FUNC_NUM_M;
1357
1358                         swid = LE16_TO_CPU(ele->swid);
1359
1360                         if (LE16_TO_CPU(ele->pf_vf_num) &
1361                             ICE_AQC_GET_SW_CONF_RESP_IS_VF)
1362                                 is_vf = true;
1363
1364                         type = LE16_TO_CPU(ele->vsi_port_num) >>
1365                                 ICE_AQC_GET_SW_CONF_RESP_TYPE_S;
1366
1367                         switch (type) {
1368                         case ICE_AQC_GET_SW_CONF_RESP_PHYS_PORT:
1369                         case ICE_AQC_GET_SW_CONF_RESP_VIRT_PORT:
1370                                 if (j == num_total_ports) {
1371                                         ice_debug(hw, ICE_DBG_SW,
1372                                                   "more ports than expected\n");
1373                                         status = ICE_ERR_CFG;
1374                                         goto out;
1375                                 }
1376                                 ice_init_port_info(hw->port_info,
1377                                                    vsi_port_num, type, swid,
1378                                                    pf_vf_num, is_vf);
1379                                 j++;
1380                                 break;
1381                         default:
1382                                 break;
1383                         }
1384                 }
1385         } while (req_desc && !status);
1386
1387
1388 out:
1389         ice_free(hw, (void *)rbuf);
1390         return status;
1391 }
1392
1393
1394 /**
1395  * ice_fill_sw_info - Helper function to populate lb_en and lan_en
1396  * @hw: pointer to the hardware structure
1397  * @fi: filter info structure to fill/update
1398  *
1399  * This helper function populates the lb_en and lan_en elements of the provided
1400  * ice_fltr_info struct using the switch's type and characteristics of the
1401  * switch rule being configured.
1402  */
1403 static void ice_fill_sw_info(struct ice_hw *hw, struct ice_fltr_info *fi)
1404 {
1405         fi->lb_en = false;
1406         fi->lan_en = false;
1407         if ((fi->flag & ICE_FLTR_TX) &&
1408             (fi->fltr_act == ICE_FWD_TO_VSI ||
1409              fi->fltr_act == ICE_FWD_TO_VSI_LIST ||
1410              fi->fltr_act == ICE_FWD_TO_Q ||
1411              fi->fltr_act == ICE_FWD_TO_QGRP)) {
1412                 /* Setting LB for prune actions will result in replicated
1413                  * packets to the internal switch that will be dropped.
1414                  */
1415                 if (fi->lkup_type != ICE_SW_LKUP_VLAN)
1416                         fi->lb_en = true;
1417
1418                 /* Set lan_en to TRUE if
1419                  * 1. The switch is a VEB AND
1420                  * 2
1421                  * 2.1 The lookup is a directional lookup like ethertype,
1422                  * promiscuous, ethertype-MAC, promiscuous-VLAN
1423                  * and default-port OR
1424                  * 2.2 The lookup is VLAN, OR
1425                  * 2.3 The lookup is MAC with mcast or bcast addr for MAC, OR
1426                  * 2.4 The lookup is MAC_VLAN with mcast or bcast addr for MAC.
1427                  *
1428                  * OR
1429                  *
1430                  * The switch is a VEPA.
1431                  *
1432                  * In all other cases, the LAN enable has to be set to false.
1433                  */
1434                 if (hw->evb_veb) {
1435                         if (fi->lkup_type == ICE_SW_LKUP_ETHERTYPE ||
1436                             fi->lkup_type == ICE_SW_LKUP_PROMISC ||
1437                             fi->lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC ||
1438                             fi->lkup_type == ICE_SW_LKUP_PROMISC_VLAN ||
1439                             fi->lkup_type == ICE_SW_LKUP_DFLT ||
1440                             fi->lkup_type == ICE_SW_LKUP_VLAN ||
1441                             (fi->lkup_type == ICE_SW_LKUP_MAC &&
1442                              !IS_UNICAST_ETHER_ADDR(fi->l_data.mac.mac_addr)) ||
1443                             (fi->lkup_type == ICE_SW_LKUP_MAC_VLAN &&
1444                              !IS_UNICAST_ETHER_ADDR(fi->l_data.mac.mac_addr)))
1445                                 fi->lan_en = true;
1446                 } else {
1447                         fi->lan_en = true;
1448                 }
1449         }
1450 }
1451
1452 /**
1453  * ice_ilog2 - Calculates integer log base 2 of a number
1454  * @n: number on which to perform operation
1455  */
1456 static int ice_ilog2(u64 n)
1457 {
1458         int i;
1459
1460         for (i = 63; i >= 0; i--)
1461                 if (((u64)1 << i) & n)
1462                         return i;
1463
1464         return -1;
1465 }
1466
1467
1468 /**
1469  * ice_fill_sw_rule - Helper function to fill switch rule structure
1470  * @hw: pointer to the hardware structure
1471  * @f_info: entry containing packet forwarding information
1472  * @s_rule: switch rule structure to be filled in based on mac_entry
1473  * @opc: switch rules population command type - pass in the command opcode
1474  */
1475 static void
1476 ice_fill_sw_rule(struct ice_hw *hw, struct ice_fltr_info *f_info,
1477                  struct ice_aqc_sw_rules_elem *s_rule, enum ice_adminq_opc opc)
1478 {
1479         u16 vlan_id = ICE_MAX_VLAN_ID + 1;
1480         void *daddr = NULL;
1481         u16 eth_hdr_sz;
1482         u8 *eth_hdr;
1483         u32 act = 0;
1484         __be16 *off;
1485         u8 q_rgn;
1486
1487
1488         if (opc == ice_aqc_opc_remove_sw_rules) {
1489                 s_rule->pdata.lkup_tx_rx.act = 0;
1490                 s_rule->pdata.lkup_tx_rx.index =
1491                         CPU_TO_LE16(f_info->fltr_rule_id);
1492                 s_rule->pdata.lkup_tx_rx.hdr_len = 0;
1493                 return;
1494         }
1495
1496         eth_hdr_sz = sizeof(dummy_eth_header);
1497         eth_hdr = s_rule->pdata.lkup_tx_rx.hdr;
1498
1499         /* initialize the ether header with a dummy header */
1500         ice_memcpy(eth_hdr, dummy_eth_header, eth_hdr_sz, ICE_NONDMA_TO_NONDMA);
1501         ice_fill_sw_info(hw, f_info);
1502
1503         switch (f_info->fltr_act) {
1504         case ICE_FWD_TO_VSI:
1505                 act |= (f_info->fwd_id.hw_vsi_id << ICE_SINGLE_ACT_VSI_ID_S) &
1506                         ICE_SINGLE_ACT_VSI_ID_M;
1507                 if (f_info->lkup_type != ICE_SW_LKUP_VLAN)
1508                         act |= ICE_SINGLE_ACT_VSI_FORWARDING |
1509                                 ICE_SINGLE_ACT_VALID_BIT;
1510                 break;
1511         case ICE_FWD_TO_VSI_LIST:
1512                 act |= ICE_SINGLE_ACT_VSI_LIST;
1513                 act |= (f_info->fwd_id.vsi_list_id <<
1514                         ICE_SINGLE_ACT_VSI_LIST_ID_S) &
1515                         ICE_SINGLE_ACT_VSI_LIST_ID_M;
1516                 if (f_info->lkup_type != ICE_SW_LKUP_VLAN)
1517                         act |= ICE_SINGLE_ACT_VSI_FORWARDING |
1518                                 ICE_SINGLE_ACT_VALID_BIT;
1519                 break;
1520         case ICE_FWD_TO_Q:
1521                 act |= ICE_SINGLE_ACT_TO_Q;
1522                 act |= (f_info->fwd_id.q_id << ICE_SINGLE_ACT_Q_INDEX_S) &
1523                         ICE_SINGLE_ACT_Q_INDEX_M;
1524                 break;
1525         case ICE_DROP_PACKET:
1526                 act |= ICE_SINGLE_ACT_VSI_FORWARDING | ICE_SINGLE_ACT_DROP |
1527                         ICE_SINGLE_ACT_VALID_BIT;
1528                 break;
1529         case ICE_FWD_TO_QGRP:
1530                 q_rgn = f_info->qgrp_size > 0 ?
1531                         (u8)ice_ilog2(f_info->qgrp_size) : 0;
1532                 act |= ICE_SINGLE_ACT_TO_Q;
1533                 act |= (f_info->fwd_id.q_id << ICE_SINGLE_ACT_Q_INDEX_S) &
1534                         ICE_SINGLE_ACT_Q_INDEX_M;
1535                 act |= (q_rgn << ICE_SINGLE_ACT_Q_REGION_S) &
1536                         ICE_SINGLE_ACT_Q_REGION_M;
1537                 break;
1538         default:
1539                 return;
1540         }
1541
1542         if (f_info->lb_en)
1543                 act |= ICE_SINGLE_ACT_LB_ENABLE;
1544         if (f_info->lan_en)
1545                 act |= ICE_SINGLE_ACT_LAN_ENABLE;
1546
1547         switch (f_info->lkup_type) {
1548         case ICE_SW_LKUP_MAC:
1549                 daddr = f_info->l_data.mac.mac_addr;
1550                 break;
1551         case ICE_SW_LKUP_VLAN:
1552                 vlan_id = f_info->l_data.vlan.vlan_id;
1553                 if (f_info->fltr_act == ICE_FWD_TO_VSI ||
1554                     f_info->fltr_act == ICE_FWD_TO_VSI_LIST) {
1555                         act |= ICE_SINGLE_ACT_PRUNE;
1556                         act |= ICE_SINGLE_ACT_EGRESS | ICE_SINGLE_ACT_INGRESS;
1557                 }
1558                 break;
1559         case ICE_SW_LKUP_ETHERTYPE_MAC:
1560                 daddr = f_info->l_data.ethertype_mac.mac_addr;
1561                 /* fall-through */
1562         case ICE_SW_LKUP_ETHERTYPE:
1563                 off = (__be16 *)(eth_hdr + ICE_ETH_ETHTYPE_OFFSET);
1564                 *off = CPU_TO_BE16(f_info->l_data.ethertype_mac.ethertype);
1565                 break;
1566         case ICE_SW_LKUP_MAC_VLAN:
1567                 daddr = f_info->l_data.mac_vlan.mac_addr;
1568                 vlan_id = f_info->l_data.mac_vlan.vlan_id;
1569                 break;
1570         case ICE_SW_LKUP_PROMISC_VLAN:
1571                 vlan_id = f_info->l_data.mac_vlan.vlan_id;
1572                 /* fall-through */
1573         case ICE_SW_LKUP_PROMISC:
1574                 daddr = f_info->l_data.mac_vlan.mac_addr;
1575                 break;
1576         default:
1577                 break;
1578         }
1579
1580         s_rule->type = (f_info->flag & ICE_FLTR_RX) ?
1581                 CPU_TO_LE16(ICE_AQC_SW_RULES_T_LKUP_RX) :
1582                 CPU_TO_LE16(ICE_AQC_SW_RULES_T_LKUP_TX);
1583
1584         /* Recipe set depending on lookup type */
1585         s_rule->pdata.lkup_tx_rx.recipe_id = CPU_TO_LE16(f_info->lkup_type);
1586         s_rule->pdata.lkup_tx_rx.src = CPU_TO_LE16(f_info->src);
1587         s_rule->pdata.lkup_tx_rx.act = CPU_TO_LE32(act);
1588
1589         if (daddr)
1590                 ice_memcpy(eth_hdr + ICE_ETH_DA_OFFSET, daddr, ETH_ALEN,
1591                            ICE_NONDMA_TO_NONDMA);
1592
1593         if (!(vlan_id > ICE_MAX_VLAN_ID)) {
1594                 off = (__be16 *)(eth_hdr + ICE_ETH_VLAN_TCI_OFFSET);
1595                 *off = CPU_TO_BE16(vlan_id);
1596         }
1597
1598         /* Create the switch rule with the final dummy Ethernet header */
1599         if (opc != ice_aqc_opc_update_sw_rules)
1600                 s_rule->pdata.lkup_tx_rx.hdr_len = CPU_TO_LE16(eth_hdr_sz);
1601 }
1602
1603 /**
1604  * ice_add_marker_act
1605  * @hw: pointer to the hardware structure
1606  * @m_ent: the management entry for which sw marker needs to be added
1607  * @sw_marker: sw marker to tag the Rx descriptor with
1608  * @l_id: large action resource ID
1609  *
1610  * Create a large action to hold software marker and update the switch rule
1611  * entry pointed by m_ent with newly created large action
1612  */
1613 static enum ice_status
1614 ice_add_marker_act(struct ice_hw *hw, struct ice_fltr_mgmt_list_entry *m_ent,
1615                    u16 sw_marker, u16 l_id)
1616 {
1617         struct ice_aqc_sw_rules_elem *lg_act, *rx_tx;
1618         /* For software marker we need 3 large actions
1619          * 1. FWD action: FWD TO VSI or VSI LIST
1620          * 2. GENERIC VALUE action to hold the profile ID
1621          * 3. GENERIC VALUE action to hold the software marker ID
1622          */
1623         const u16 num_lg_acts = 3;
1624         enum ice_status status;
1625         u16 lg_act_size;
1626         u16 rules_size;
1627         u32 act;
1628         u16 id;
1629
1630         if (m_ent->fltr_info.lkup_type != ICE_SW_LKUP_MAC)
1631                 return ICE_ERR_PARAM;
1632
1633         /* Create two back-to-back switch rules and submit them to the HW using
1634          * one memory buffer:
1635          *    1. Large Action
1636          *    2. Look up Tx Rx
1637          */
1638         lg_act_size = (u16)ICE_SW_RULE_LG_ACT_SIZE(num_lg_acts);
1639         rules_size = lg_act_size + ICE_SW_RULE_RX_TX_ETH_HDR_SIZE;
1640         lg_act = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw, rules_size);
1641         if (!lg_act)
1642                 return ICE_ERR_NO_MEMORY;
1643
1644         rx_tx = (struct ice_aqc_sw_rules_elem *)((u8 *)lg_act + lg_act_size);
1645
1646         /* Fill in the first switch rule i.e. large action */
1647         lg_act->type = CPU_TO_LE16(ICE_AQC_SW_RULES_T_LG_ACT);
1648         lg_act->pdata.lg_act.index = CPU_TO_LE16(l_id);
1649         lg_act->pdata.lg_act.size = CPU_TO_LE16(num_lg_acts);
1650
1651         /* First action VSI forwarding or VSI list forwarding depending on how
1652          * many VSIs
1653          */
1654         id = (m_ent->vsi_count > 1) ? m_ent->fltr_info.fwd_id.vsi_list_id :
1655                 m_ent->fltr_info.fwd_id.hw_vsi_id;
1656
1657         act = ICE_LG_ACT_VSI_FORWARDING | ICE_LG_ACT_VALID_BIT;
1658         act |= (id << ICE_LG_ACT_VSI_LIST_ID_S) &
1659                 ICE_LG_ACT_VSI_LIST_ID_M;
1660         if (m_ent->vsi_count > 1)
1661                 act |= ICE_LG_ACT_VSI_LIST;
1662         lg_act->pdata.lg_act.act[0] = CPU_TO_LE32(act);
1663
1664         /* Second action descriptor type */
1665         act = ICE_LG_ACT_GENERIC;
1666
1667         act |= (1 << ICE_LG_ACT_GENERIC_VALUE_S) & ICE_LG_ACT_GENERIC_VALUE_M;
1668         lg_act->pdata.lg_act.act[1] = CPU_TO_LE32(act);
1669
1670         act = (ICE_LG_ACT_GENERIC_OFF_RX_DESC_PROF_IDX <<
1671                ICE_LG_ACT_GENERIC_OFFSET_S) & ICE_LG_ACT_GENERIC_OFFSET_M;
1672
1673         /* Third action Marker value */
1674         act |= ICE_LG_ACT_GENERIC;
1675         act |= (sw_marker << ICE_LG_ACT_GENERIC_VALUE_S) &
1676                 ICE_LG_ACT_GENERIC_VALUE_M;
1677
1678         lg_act->pdata.lg_act.act[2] = CPU_TO_LE32(act);
1679
1680         /* call the fill switch rule to fill the lookup Tx Rx structure */
1681         ice_fill_sw_rule(hw, &m_ent->fltr_info, rx_tx,
1682                          ice_aqc_opc_update_sw_rules);
1683
1684         /* Update the action to point to the large action ID */
1685         rx_tx->pdata.lkup_tx_rx.act =
1686                 CPU_TO_LE32(ICE_SINGLE_ACT_PTR |
1687                             ((l_id << ICE_SINGLE_ACT_PTR_VAL_S) &
1688                              ICE_SINGLE_ACT_PTR_VAL_M));
1689
1690         /* Use the filter rule ID of the previously created rule with single
1691          * act. Once the update happens, hardware will treat this as large
1692          * action
1693          */
1694         rx_tx->pdata.lkup_tx_rx.index =
1695                 CPU_TO_LE16(m_ent->fltr_info.fltr_rule_id);
1696
1697         status = ice_aq_sw_rules(hw, lg_act, rules_size, 2,
1698                                  ice_aqc_opc_update_sw_rules, NULL);
1699         if (!status) {
1700                 m_ent->lg_act_idx = l_id;
1701                 m_ent->sw_marker_id = sw_marker;
1702         }
1703
1704         ice_free(hw, lg_act);
1705         return status;
1706 }
1707
1708 /**
1709  * ice_add_counter_act - add/update filter rule with counter action
1710  * @hw: pointer to the hardware structure
1711  * @m_ent: the management entry for which counter needs to be added
1712  * @counter_id: VLAN counter ID returned as part of allocate resource
1713  * @l_id: large action resource ID
1714  */
1715 static enum ice_status
1716 ice_add_counter_act(struct ice_hw *hw, struct ice_fltr_mgmt_list_entry *m_ent,
1717                     u16 counter_id, u16 l_id)
1718 {
1719         struct ice_aqc_sw_rules_elem *lg_act;
1720         struct ice_aqc_sw_rules_elem *rx_tx;
1721         enum ice_status status;
1722         /* 2 actions will be added while adding a large action counter */
1723         const int num_acts = 2;
1724         u16 lg_act_size;
1725         u16 rules_size;
1726         u16 f_rule_id;
1727         u32 act;
1728         u16 id;
1729
1730         if (m_ent->fltr_info.lkup_type != ICE_SW_LKUP_MAC)
1731                 return ICE_ERR_PARAM;
1732
1733         /* Create two back-to-back switch rules and submit them to the HW using
1734          * one memory buffer:
1735          * 1. Large Action
1736          * 2. Look up Tx Rx
1737          */
1738         lg_act_size = (u16)ICE_SW_RULE_LG_ACT_SIZE(num_acts);
1739         rules_size = lg_act_size + ICE_SW_RULE_RX_TX_ETH_HDR_SIZE;
1740         lg_act = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw,
1741                                                                  rules_size);
1742         if (!lg_act)
1743                 return ICE_ERR_NO_MEMORY;
1744
1745         rx_tx = (struct ice_aqc_sw_rules_elem *)
1746                 ((u8 *)lg_act + lg_act_size);
1747
1748         /* Fill in the first switch rule i.e. large action */
1749         lg_act->type = CPU_TO_LE16(ICE_AQC_SW_RULES_T_LG_ACT);
1750         lg_act->pdata.lg_act.index = CPU_TO_LE16(l_id);
1751         lg_act->pdata.lg_act.size = CPU_TO_LE16(num_acts);
1752
1753         /* First action VSI forwarding or VSI list forwarding depending on how
1754          * many VSIs
1755          */
1756         id = (m_ent->vsi_count > 1) ?  m_ent->fltr_info.fwd_id.vsi_list_id :
1757                 m_ent->fltr_info.fwd_id.hw_vsi_id;
1758
1759         act = ICE_LG_ACT_VSI_FORWARDING | ICE_LG_ACT_VALID_BIT;
1760         act |= (id << ICE_LG_ACT_VSI_LIST_ID_S) &
1761                 ICE_LG_ACT_VSI_LIST_ID_M;
1762         if (m_ent->vsi_count > 1)
1763                 act |= ICE_LG_ACT_VSI_LIST;
1764         lg_act->pdata.lg_act.act[0] = CPU_TO_LE32(act);
1765
1766         /* Second action counter ID */
1767         act = ICE_LG_ACT_STAT_COUNT;
1768         act |= (counter_id << ICE_LG_ACT_STAT_COUNT_S) &
1769                 ICE_LG_ACT_STAT_COUNT_M;
1770         lg_act->pdata.lg_act.act[1] = CPU_TO_LE32(act);
1771
1772         /* call the fill switch rule to fill the lookup Tx Rx structure */
1773         ice_fill_sw_rule(hw, &m_ent->fltr_info, rx_tx,
1774                          ice_aqc_opc_update_sw_rules);
1775
1776         act = ICE_SINGLE_ACT_PTR;
1777         act |= (l_id << ICE_SINGLE_ACT_PTR_VAL_S) & ICE_SINGLE_ACT_PTR_VAL_M;
1778         rx_tx->pdata.lkup_tx_rx.act = CPU_TO_LE32(act);
1779
1780         /* Use the filter rule ID of the previously created rule with single
1781          * act. Once the update happens, hardware will treat this as large
1782          * action
1783          */
1784         f_rule_id = m_ent->fltr_info.fltr_rule_id;
1785         rx_tx->pdata.lkup_tx_rx.index = CPU_TO_LE16(f_rule_id);
1786
1787         status = ice_aq_sw_rules(hw, lg_act, rules_size, 2,
1788                                  ice_aqc_opc_update_sw_rules, NULL);
1789         if (!status) {
1790                 m_ent->lg_act_idx = l_id;
1791                 m_ent->counter_index = counter_id;
1792         }
1793
1794         ice_free(hw, lg_act);
1795         return status;
1796 }
1797
1798 /**
1799  * ice_create_vsi_list_map
1800  * @hw: pointer to the hardware structure
1801  * @vsi_handle_arr: array of VSI handles to set in the VSI mapping
1802  * @num_vsi: number of VSI handles in the array
1803  * @vsi_list_id: VSI list ID generated as part of allocate resource
1804  *
1805  * Helper function to create a new entry of VSI list ID to VSI mapping
1806  * using the given VSI list ID
1807  */
1808 static struct ice_vsi_list_map_info *
1809 ice_create_vsi_list_map(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi,
1810                         u16 vsi_list_id)
1811 {
1812         struct ice_switch_info *sw = hw->switch_info;
1813         struct ice_vsi_list_map_info *v_map;
1814         int i;
1815
1816         v_map = (struct ice_vsi_list_map_info *)ice_calloc(hw, 1,
1817                 sizeof(*v_map));
1818         if (!v_map)
1819                 return NULL;
1820
1821         v_map->vsi_list_id = vsi_list_id;
1822         v_map->ref_cnt = 1;
1823         for (i = 0; i < num_vsi; i++)
1824                 ice_set_bit(vsi_handle_arr[i], v_map->vsi_map);
1825
1826         LIST_ADD(&v_map->list_entry, &sw->vsi_list_map_head);
1827         return v_map;
1828 }
1829
1830 /**
1831  * ice_update_vsi_list_rule
1832  * @hw: pointer to the hardware structure
1833  * @vsi_handle_arr: array of VSI handles to form a VSI list
1834  * @num_vsi: number of VSI handles in the array
1835  * @vsi_list_id: VSI list ID generated as part of allocate resource
1836  * @remove: Boolean value to indicate if this is a remove action
1837  * @opc: switch rules population command type - pass in the command opcode
1838  * @lkup_type: lookup type of the filter
1839  *
1840  * Call AQ command to add a new switch rule or update existing switch rule
1841  * using the given VSI list ID
1842  */
1843 static enum ice_status
1844 ice_update_vsi_list_rule(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi,
1845                          u16 vsi_list_id, bool remove, enum ice_adminq_opc opc,
1846                          enum ice_sw_lkup_type lkup_type)
1847 {
1848         struct ice_aqc_sw_rules_elem *s_rule;
1849         enum ice_status status;
1850         u16 s_rule_size;
1851         u16 type;
1852         int i;
1853
1854         if (!num_vsi)
1855                 return ICE_ERR_PARAM;
1856
1857         if (lkup_type == ICE_SW_LKUP_MAC ||
1858             lkup_type == ICE_SW_LKUP_MAC_VLAN ||
1859             lkup_type == ICE_SW_LKUP_ETHERTYPE ||
1860             lkup_type == ICE_SW_LKUP_ETHERTYPE_MAC ||
1861             lkup_type == ICE_SW_LKUP_PROMISC ||
1862             lkup_type == ICE_SW_LKUP_PROMISC_VLAN ||
1863             lkup_type == ICE_SW_LKUP_LAST)
1864                 type = remove ? ICE_AQC_SW_RULES_T_VSI_LIST_CLEAR :
1865                                 ICE_AQC_SW_RULES_T_VSI_LIST_SET;
1866         else if (lkup_type == ICE_SW_LKUP_VLAN)
1867                 type = remove ? ICE_AQC_SW_RULES_T_PRUNE_LIST_CLEAR :
1868                                 ICE_AQC_SW_RULES_T_PRUNE_LIST_SET;
1869         else
1870                 return ICE_ERR_PARAM;
1871
1872         s_rule_size = (u16)ICE_SW_RULE_VSI_LIST_SIZE(num_vsi);
1873         s_rule = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw, s_rule_size);
1874         if (!s_rule)
1875                 return ICE_ERR_NO_MEMORY;
1876         for (i = 0; i < num_vsi; i++) {
1877                 if (!ice_is_vsi_valid(hw, vsi_handle_arr[i])) {
1878                         status = ICE_ERR_PARAM;
1879                         goto exit;
1880                 }
1881                 /* AQ call requires hw_vsi_id(s) */
1882                 s_rule->pdata.vsi_list.vsi[i] =
1883                         CPU_TO_LE16(ice_get_hw_vsi_num(hw, vsi_handle_arr[i]));
1884         }
1885
1886         s_rule->type = CPU_TO_LE16(type);
1887         s_rule->pdata.vsi_list.number_vsi = CPU_TO_LE16(num_vsi);
1888         s_rule->pdata.vsi_list.index = CPU_TO_LE16(vsi_list_id);
1889
1890         status = ice_aq_sw_rules(hw, s_rule, s_rule_size, 1, opc, NULL);
1891
1892 exit:
1893         ice_free(hw, s_rule);
1894         return status;
1895 }
1896
1897 /**
1898  * ice_create_vsi_list_rule - Creates and populates a VSI list rule
1899  * @hw: pointer to the HW struct
1900  * @vsi_handle_arr: array of VSI handles to form a VSI list
1901  * @num_vsi: number of VSI handles in the array
1902  * @vsi_list_id: stores the ID of the VSI list to be created
1903  * @lkup_type: switch rule filter's lookup type
1904  */
1905 static enum ice_status
1906 ice_create_vsi_list_rule(struct ice_hw *hw, u16 *vsi_handle_arr, u16 num_vsi,
1907                          u16 *vsi_list_id, enum ice_sw_lkup_type lkup_type)
1908 {
1909         enum ice_status status;
1910
1911         status = ice_aq_alloc_free_vsi_list(hw, vsi_list_id, lkup_type,
1912                                             ice_aqc_opc_alloc_res);
1913         if (status)
1914                 return status;
1915
1916         /* Update the newly created VSI list to include the specified VSIs */
1917         return ice_update_vsi_list_rule(hw, vsi_handle_arr, num_vsi,
1918                                         *vsi_list_id, false,
1919                                         ice_aqc_opc_add_sw_rules, lkup_type);
1920 }
1921
1922 /**
1923  * ice_create_pkt_fwd_rule
1924  * @hw: pointer to the hardware structure
1925  * @f_entry: entry containing packet forwarding information
1926  *
1927  * Create switch rule with given filter information and add an entry
1928  * to the corresponding filter management list to track this switch rule
1929  * and VSI mapping
1930  */
1931 static enum ice_status
1932 ice_create_pkt_fwd_rule(struct ice_hw *hw,
1933                         struct ice_fltr_list_entry *f_entry)
1934 {
1935         struct ice_fltr_mgmt_list_entry *fm_entry;
1936         struct ice_aqc_sw_rules_elem *s_rule;
1937         enum ice_sw_lkup_type l_type;
1938         struct ice_sw_recipe *recp;
1939         enum ice_status status;
1940
1941         s_rule = (struct ice_aqc_sw_rules_elem *)
1942                 ice_malloc(hw, ICE_SW_RULE_RX_TX_ETH_HDR_SIZE);
1943         if (!s_rule)
1944                 return ICE_ERR_NO_MEMORY;
1945         fm_entry = (struct ice_fltr_mgmt_list_entry *)
1946                    ice_malloc(hw, sizeof(*fm_entry));
1947         if (!fm_entry) {
1948                 status = ICE_ERR_NO_MEMORY;
1949                 goto ice_create_pkt_fwd_rule_exit;
1950         }
1951
1952         fm_entry->fltr_info = f_entry->fltr_info;
1953
1954         /* Initialize all the fields for the management entry */
1955         fm_entry->vsi_count = 1;
1956         fm_entry->lg_act_idx = ICE_INVAL_LG_ACT_INDEX;
1957         fm_entry->sw_marker_id = ICE_INVAL_SW_MARKER_ID;
1958         fm_entry->counter_index = ICE_INVAL_COUNTER_ID;
1959
1960         ice_fill_sw_rule(hw, &fm_entry->fltr_info, s_rule,
1961                          ice_aqc_opc_add_sw_rules);
1962
1963         status = ice_aq_sw_rules(hw, s_rule, ICE_SW_RULE_RX_TX_ETH_HDR_SIZE, 1,
1964                                  ice_aqc_opc_add_sw_rules, NULL);
1965         if (status) {
1966                 ice_free(hw, fm_entry);
1967                 goto ice_create_pkt_fwd_rule_exit;
1968         }
1969
1970         f_entry->fltr_info.fltr_rule_id =
1971                 LE16_TO_CPU(s_rule->pdata.lkup_tx_rx.index);
1972         fm_entry->fltr_info.fltr_rule_id =
1973                 LE16_TO_CPU(s_rule->pdata.lkup_tx_rx.index);
1974
1975         /* The book keeping entries will get removed when base driver
1976          * calls remove filter AQ command
1977          */
1978         l_type = fm_entry->fltr_info.lkup_type;
1979         recp = &hw->switch_info->recp_list[l_type];
1980         LIST_ADD(&fm_entry->list_entry, &recp->filt_rules);
1981
1982 ice_create_pkt_fwd_rule_exit:
1983         ice_free(hw, s_rule);
1984         return status;
1985 }
1986
1987 /**
1988  * ice_update_pkt_fwd_rule
1989  * @hw: pointer to the hardware structure
1990  * @f_info: filter information for switch rule
1991  *
1992  * Call AQ command to update a previously created switch rule with a
1993  * VSI list ID
1994  */
1995 static enum ice_status
1996 ice_update_pkt_fwd_rule(struct ice_hw *hw, struct ice_fltr_info *f_info)
1997 {
1998         struct ice_aqc_sw_rules_elem *s_rule;
1999         enum ice_status status;
2000
2001         s_rule = (struct ice_aqc_sw_rules_elem *)
2002                 ice_malloc(hw, ICE_SW_RULE_RX_TX_ETH_HDR_SIZE);
2003         if (!s_rule)
2004                 return ICE_ERR_NO_MEMORY;
2005
2006         ice_fill_sw_rule(hw, f_info, s_rule, ice_aqc_opc_update_sw_rules);
2007
2008         s_rule->pdata.lkup_tx_rx.index = CPU_TO_LE16(f_info->fltr_rule_id);
2009
2010         /* Update switch rule with new rule set to forward VSI list */
2011         status = ice_aq_sw_rules(hw, s_rule, ICE_SW_RULE_RX_TX_ETH_HDR_SIZE, 1,
2012                                  ice_aqc_opc_update_sw_rules, NULL);
2013
2014         ice_free(hw, s_rule);
2015         return status;
2016 }
2017
2018 /**
2019  * ice_update_sw_rule_bridge_mode
2020  * @hw: pointer to the HW struct
2021  *
2022  * Updates unicast switch filter rules based on VEB/VEPA mode
2023  */
2024 enum ice_status ice_update_sw_rule_bridge_mode(struct ice_hw *hw)
2025 {
2026         struct ice_switch_info *sw = hw->switch_info;
2027         struct ice_fltr_mgmt_list_entry *fm_entry;
2028         enum ice_status status = ICE_SUCCESS;
2029         struct LIST_HEAD_TYPE *rule_head;
2030         struct ice_lock *rule_lock; /* Lock to protect filter rule list */
2031
2032         rule_lock = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rule_lock;
2033         rule_head = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rules;
2034
2035         ice_acquire_lock(rule_lock);
2036         LIST_FOR_EACH_ENTRY(fm_entry, rule_head, ice_fltr_mgmt_list_entry,
2037                             list_entry) {
2038                 struct ice_fltr_info *fi = &fm_entry->fltr_info;
2039                 u8 *addr = fi->l_data.mac.mac_addr;
2040
2041                 /* Update unicast Tx rules to reflect the selected
2042                  * VEB/VEPA mode
2043                  */
2044                 if ((fi->flag & ICE_FLTR_TX) && IS_UNICAST_ETHER_ADDR(addr) &&
2045                     (fi->fltr_act == ICE_FWD_TO_VSI ||
2046                      fi->fltr_act == ICE_FWD_TO_VSI_LIST ||
2047                      fi->fltr_act == ICE_FWD_TO_Q ||
2048                      fi->fltr_act == ICE_FWD_TO_QGRP)) {
2049                         status = ice_update_pkt_fwd_rule(hw, fi);
2050                         if (status)
2051                                 break;
2052                 }
2053         }
2054
2055         ice_release_lock(rule_lock);
2056
2057         return status;
2058 }
2059
2060 /**
2061  * ice_add_update_vsi_list
2062  * @hw: pointer to the hardware structure
2063  * @m_entry: pointer to current filter management list entry
2064  * @cur_fltr: filter information from the book keeping entry
2065  * @new_fltr: filter information with the new VSI to be added
2066  *
2067  * Call AQ command to add or update previously created VSI list with new VSI.
2068  *
2069  * Helper function to do book keeping associated with adding filter information
2070  * The algorithm to do the book keeping is described below :
2071  * When a VSI needs to subscribe to a given filter (MAC/VLAN/Ethtype etc.)
2072  *      if only one VSI has been added till now
2073  *              Allocate a new VSI list and add two VSIs
2074  *              to this list using switch rule command
2075  *              Update the previously created switch rule with the
2076  *              newly created VSI list ID
2077  *      if a VSI list was previously created
2078  *              Add the new VSI to the previously created VSI list set
2079  *              using the update switch rule command
2080  */
2081 static enum ice_status
2082 ice_add_update_vsi_list(struct ice_hw *hw,
2083                         struct ice_fltr_mgmt_list_entry *m_entry,
2084                         struct ice_fltr_info *cur_fltr,
2085                         struct ice_fltr_info *new_fltr)
2086 {
2087         enum ice_status status = ICE_SUCCESS;
2088         u16 vsi_list_id = 0;
2089
2090         if ((cur_fltr->fltr_act == ICE_FWD_TO_Q ||
2091              cur_fltr->fltr_act == ICE_FWD_TO_QGRP))
2092                 return ICE_ERR_NOT_IMPL;
2093
2094         if ((new_fltr->fltr_act == ICE_FWD_TO_Q ||
2095              new_fltr->fltr_act == ICE_FWD_TO_QGRP) &&
2096             (cur_fltr->fltr_act == ICE_FWD_TO_VSI ||
2097              cur_fltr->fltr_act == ICE_FWD_TO_VSI_LIST))
2098                 return ICE_ERR_NOT_IMPL;
2099
2100         if (m_entry->vsi_count < 2 && !m_entry->vsi_list_info) {
2101                 /* Only one entry existed in the mapping and it was not already
2102                  * a part of a VSI list. So, create a VSI list with the old and
2103                  * new VSIs.
2104                  */
2105                 struct ice_fltr_info tmp_fltr;
2106                 u16 vsi_handle_arr[2];
2107
2108                 /* A rule already exists with the new VSI being added */
2109                 if (cur_fltr->fwd_id.hw_vsi_id == new_fltr->fwd_id.hw_vsi_id)
2110                         return ICE_ERR_ALREADY_EXISTS;
2111
2112                 vsi_handle_arr[0] = cur_fltr->vsi_handle;
2113                 vsi_handle_arr[1] = new_fltr->vsi_handle;
2114                 status = ice_create_vsi_list_rule(hw, &vsi_handle_arr[0], 2,
2115                                                   &vsi_list_id,
2116                                                   new_fltr->lkup_type);
2117                 if (status)
2118                         return status;
2119
2120                 tmp_fltr = *new_fltr;
2121                 tmp_fltr.fltr_rule_id = cur_fltr->fltr_rule_id;
2122                 tmp_fltr.fltr_act = ICE_FWD_TO_VSI_LIST;
2123                 tmp_fltr.fwd_id.vsi_list_id = vsi_list_id;
2124                 /* Update the previous switch rule of "MAC forward to VSI" to
2125                  * "MAC fwd to VSI list"
2126                  */
2127                 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr);
2128                 if (status)
2129                         return status;
2130
2131                 cur_fltr->fwd_id.vsi_list_id = vsi_list_id;
2132                 cur_fltr->fltr_act = ICE_FWD_TO_VSI_LIST;
2133                 m_entry->vsi_list_info =
2134                         ice_create_vsi_list_map(hw, &vsi_handle_arr[0], 2,
2135                                                 vsi_list_id);
2136
2137                 /* If this entry was large action then the large action needs
2138                  * to be updated to point to FWD to VSI list
2139                  */
2140                 if (m_entry->sw_marker_id != ICE_INVAL_SW_MARKER_ID)
2141                         status =
2142                             ice_add_marker_act(hw, m_entry,
2143                                                m_entry->sw_marker_id,
2144                                                m_entry->lg_act_idx);
2145         } else {
2146                 u16 vsi_handle = new_fltr->vsi_handle;
2147                 enum ice_adminq_opc opcode;
2148
2149                 if (!m_entry->vsi_list_info)
2150                         return ICE_ERR_CFG;
2151
2152                 /* A rule already exists with the new VSI being added */
2153                 if (ice_is_bit_set(m_entry->vsi_list_info->vsi_map, vsi_handle))
2154                         return ICE_SUCCESS;
2155
2156                 /* Update the previously created VSI list set with
2157                  * the new VSI ID passed in
2158                  */
2159                 vsi_list_id = cur_fltr->fwd_id.vsi_list_id;
2160                 opcode = ice_aqc_opc_update_sw_rules;
2161
2162                 status = ice_update_vsi_list_rule(hw, &vsi_handle, 1,
2163                                                   vsi_list_id, false, opcode,
2164                                                   new_fltr->lkup_type);
2165                 /* update VSI list mapping info with new VSI ID */
2166                 if (!status)
2167                         ice_set_bit(vsi_handle,
2168                                     m_entry->vsi_list_info->vsi_map);
2169         }
2170         if (!status)
2171                 m_entry->vsi_count++;
2172         return status;
2173 }
2174
2175 /**
2176  * ice_find_rule_entry - Search a rule entry
2177  * @hw: pointer to the hardware structure
2178  * @recp_id: lookup type for which the specified rule needs to be searched
2179  * @f_info: rule information
2180  *
2181  * Helper function to search for a given rule entry
2182  * Returns pointer to entry storing the rule if found
2183  */
2184 static struct ice_fltr_mgmt_list_entry *
2185 ice_find_rule_entry(struct ice_hw *hw, u8 recp_id, struct ice_fltr_info *f_info)
2186 {
2187         struct ice_fltr_mgmt_list_entry *list_itr, *ret = NULL;
2188         struct ice_switch_info *sw = hw->switch_info;
2189         struct LIST_HEAD_TYPE *list_head;
2190
2191         list_head = &sw->recp_list[recp_id].filt_rules;
2192         LIST_FOR_EACH_ENTRY(list_itr, list_head, ice_fltr_mgmt_list_entry,
2193                             list_entry) {
2194                 if (!memcmp(&f_info->l_data, &list_itr->fltr_info.l_data,
2195                             sizeof(f_info->l_data)) &&
2196                     f_info->flag == list_itr->fltr_info.flag) {
2197                         ret = list_itr;
2198                         break;
2199                 }
2200         }
2201         return ret;
2202 }
2203
2204 /**
2205  * ice_find_vsi_list_entry - Search VSI list map with VSI count 1
2206  * @hw: pointer to the hardware structure
2207  * @recp_id: lookup type for which VSI lists needs to be searched
2208  * @vsi_handle: VSI handle to be found in VSI list
2209  * @vsi_list_id: VSI list ID found containing vsi_handle
2210  *
2211  * Helper function to search a VSI list with single entry containing given VSI
2212  * handle element. This can be extended further to search VSI list with more
2213  * than 1 vsi_count. Returns pointer to VSI list entry if found.
2214  */
2215 static struct ice_vsi_list_map_info *
2216 ice_find_vsi_list_entry(struct ice_hw *hw, u8 recp_id, u16 vsi_handle,
2217                         u16 *vsi_list_id)
2218 {
2219         struct ice_vsi_list_map_info *map_info = NULL;
2220         struct ice_switch_info *sw = hw->switch_info;
2221         struct ice_fltr_mgmt_list_entry *list_itr;
2222         struct LIST_HEAD_TYPE *list_head;
2223
2224         list_head = &sw->recp_list[recp_id].filt_rules;
2225         LIST_FOR_EACH_ENTRY(list_itr, list_head, ice_fltr_mgmt_list_entry,
2226                             list_entry) {
2227                 if (list_itr->vsi_count == 1 && list_itr->vsi_list_info) {
2228                         map_info = list_itr->vsi_list_info;
2229                         if (ice_is_bit_set(map_info->vsi_map, vsi_handle)) {
2230                                 *vsi_list_id = map_info->vsi_list_id;
2231                                 return map_info;
2232                         }
2233                 }
2234         }
2235         return NULL;
2236 }
2237
2238 /**
2239  * ice_add_rule_internal - add rule for a given lookup type
2240  * @hw: pointer to the hardware structure
2241  * @recp_id: lookup type (recipe ID) for which rule has to be added
2242  * @f_entry: structure containing MAC forwarding information
2243  *
2244  * Adds or updates the rule lists for a given recipe
2245  */
2246 static enum ice_status
2247 ice_add_rule_internal(struct ice_hw *hw, u8 recp_id,
2248                       struct ice_fltr_list_entry *f_entry)
2249 {
2250         struct ice_switch_info *sw = hw->switch_info;
2251         struct ice_fltr_info *new_fltr, *cur_fltr;
2252         struct ice_fltr_mgmt_list_entry *m_entry;
2253         struct ice_lock *rule_lock; /* Lock to protect filter rule list */
2254         enum ice_status status = ICE_SUCCESS;
2255
2256         if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle))
2257                 return ICE_ERR_PARAM;
2258
2259         /* Load the hw_vsi_id only if the fwd action is fwd to VSI */
2260         if (f_entry->fltr_info.fltr_act == ICE_FWD_TO_VSI)
2261                 f_entry->fltr_info.fwd_id.hw_vsi_id =
2262                         ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle);
2263
2264         rule_lock = &sw->recp_list[recp_id].filt_rule_lock;
2265
2266         ice_acquire_lock(rule_lock);
2267         new_fltr = &f_entry->fltr_info;
2268         if (new_fltr->flag & ICE_FLTR_RX)
2269                 new_fltr->src = hw->port_info->lport;
2270         else if (new_fltr->flag & ICE_FLTR_TX)
2271                 new_fltr->src =
2272                         ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle);
2273
2274         m_entry = ice_find_rule_entry(hw, recp_id, new_fltr);
2275         if (!m_entry) {
2276                 ice_release_lock(rule_lock);
2277                 return ice_create_pkt_fwd_rule(hw, f_entry);
2278         }
2279
2280         cur_fltr = &m_entry->fltr_info;
2281         status = ice_add_update_vsi_list(hw, m_entry, cur_fltr, new_fltr);
2282         ice_release_lock(rule_lock);
2283
2284         return status;
2285 }
2286
2287 /**
2288  * ice_remove_vsi_list_rule
2289  * @hw: pointer to the hardware structure
2290  * @vsi_list_id: VSI list ID generated as part of allocate resource
2291  * @lkup_type: switch rule filter lookup type
2292  *
2293  * The VSI list should be emptied before this function is called to remove the
2294  * VSI list.
2295  */
2296 static enum ice_status
2297 ice_remove_vsi_list_rule(struct ice_hw *hw, u16 vsi_list_id,
2298                          enum ice_sw_lkup_type lkup_type)
2299 {
2300         struct ice_aqc_sw_rules_elem *s_rule;
2301         enum ice_status status;
2302         u16 s_rule_size;
2303
2304         s_rule_size = (u16)ICE_SW_RULE_VSI_LIST_SIZE(0);
2305         s_rule = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw, s_rule_size);
2306         if (!s_rule)
2307                 return ICE_ERR_NO_MEMORY;
2308
2309         s_rule->type = CPU_TO_LE16(ICE_AQC_SW_RULES_T_VSI_LIST_CLEAR);
2310         s_rule->pdata.vsi_list.index = CPU_TO_LE16(vsi_list_id);
2311
2312         /* Free the vsi_list resource that we allocated. It is assumed that the
2313          * list is empty at this point.
2314          */
2315         status = ice_aq_alloc_free_vsi_list(hw, &vsi_list_id, lkup_type,
2316                                             ice_aqc_opc_free_res);
2317
2318         ice_free(hw, s_rule);
2319         return status;
2320 }
2321
2322 /**
2323  * ice_rem_update_vsi_list
2324  * @hw: pointer to the hardware structure
2325  * @vsi_handle: VSI handle of the VSI to remove
2326  * @fm_list: filter management entry for which the VSI list management needs to
2327  *           be done
2328  */
2329 static enum ice_status
2330 ice_rem_update_vsi_list(struct ice_hw *hw, u16 vsi_handle,
2331                         struct ice_fltr_mgmt_list_entry *fm_list)
2332 {
2333         enum ice_sw_lkup_type lkup_type;
2334         enum ice_status status = ICE_SUCCESS;
2335         u16 vsi_list_id;
2336
2337         if (fm_list->fltr_info.fltr_act != ICE_FWD_TO_VSI_LIST ||
2338             fm_list->vsi_count == 0)
2339                 return ICE_ERR_PARAM;
2340
2341         /* A rule with the VSI being removed does not exist */
2342         if (!ice_is_bit_set(fm_list->vsi_list_info->vsi_map, vsi_handle))
2343                 return ICE_ERR_DOES_NOT_EXIST;
2344
2345         lkup_type = fm_list->fltr_info.lkup_type;
2346         vsi_list_id = fm_list->fltr_info.fwd_id.vsi_list_id;
2347         status = ice_update_vsi_list_rule(hw, &vsi_handle, 1, vsi_list_id, true,
2348                                           ice_aqc_opc_update_sw_rules,
2349                                           lkup_type);
2350         if (status)
2351                 return status;
2352
2353         fm_list->vsi_count--;
2354         ice_clear_bit(vsi_handle, fm_list->vsi_list_info->vsi_map);
2355
2356         if (fm_list->vsi_count == 1 && lkup_type != ICE_SW_LKUP_VLAN) {
2357                 struct ice_fltr_info tmp_fltr_info = fm_list->fltr_info;
2358                 struct ice_vsi_list_map_info *vsi_list_info =
2359                         fm_list->vsi_list_info;
2360                 u16 rem_vsi_handle;
2361
2362                 rem_vsi_handle = ice_find_first_bit(vsi_list_info->vsi_map,
2363                                                     ICE_MAX_VSI);
2364                 if (!ice_is_vsi_valid(hw, rem_vsi_handle))
2365                         return ICE_ERR_OUT_OF_RANGE;
2366
2367                 /* Make sure VSI list is empty before removing it below */
2368                 status = ice_update_vsi_list_rule(hw, &rem_vsi_handle, 1,
2369                                                   vsi_list_id, true,
2370                                                   ice_aqc_opc_update_sw_rules,
2371                                                   lkup_type);
2372                 if (status)
2373                         return status;
2374
2375                 tmp_fltr_info.fltr_act = ICE_FWD_TO_VSI;
2376                 tmp_fltr_info.fwd_id.hw_vsi_id =
2377                         ice_get_hw_vsi_num(hw, rem_vsi_handle);
2378                 tmp_fltr_info.vsi_handle = rem_vsi_handle;
2379                 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr_info);
2380                 if (status) {
2381                         ice_debug(hw, ICE_DBG_SW,
2382                                   "Failed to update pkt fwd rule to FWD_TO_VSI on HW VSI %d, error %d\n",
2383                                   tmp_fltr_info.fwd_id.hw_vsi_id, status);
2384                         return status;
2385                 }
2386
2387                 fm_list->fltr_info = tmp_fltr_info;
2388         }
2389
2390         if ((fm_list->vsi_count == 1 && lkup_type != ICE_SW_LKUP_VLAN) ||
2391             (fm_list->vsi_count == 0 && lkup_type == ICE_SW_LKUP_VLAN)) {
2392                 struct ice_vsi_list_map_info *vsi_list_info =
2393                         fm_list->vsi_list_info;
2394
2395                 /* Remove the VSI list since it is no longer used */
2396                 status = ice_remove_vsi_list_rule(hw, vsi_list_id, lkup_type);
2397                 if (status) {
2398                         ice_debug(hw, ICE_DBG_SW,
2399                                   "Failed to remove VSI list %d, error %d\n",
2400                                   vsi_list_id, status);
2401                         return status;
2402                 }
2403
2404                 LIST_DEL(&vsi_list_info->list_entry);
2405                 ice_free(hw, vsi_list_info);
2406                 fm_list->vsi_list_info = NULL;
2407         }
2408
2409         return status;
2410 }
2411
2412 /**
2413  * ice_remove_rule_internal - Remove a filter rule of a given type
2414  *
2415  * @hw: pointer to the hardware structure
2416  * @recp_id: recipe ID for which the rule needs to removed
2417  * @f_entry: rule entry containing filter information
2418  */
2419 static enum ice_status
2420 ice_remove_rule_internal(struct ice_hw *hw, u8 recp_id,
2421                          struct ice_fltr_list_entry *f_entry)
2422 {
2423         struct ice_switch_info *sw = hw->switch_info;
2424         struct ice_fltr_mgmt_list_entry *list_elem;
2425         struct ice_lock *rule_lock; /* Lock to protect filter rule list */
2426         enum ice_status status = ICE_SUCCESS;
2427         bool remove_rule = false;
2428         u16 vsi_handle;
2429
2430         if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle))
2431                 return ICE_ERR_PARAM;
2432         f_entry->fltr_info.fwd_id.hw_vsi_id =
2433                 ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle);
2434
2435         rule_lock = &sw->recp_list[recp_id].filt_rule_lock;
2436         ice_acquire_lock(rule_lock);
2437         list_elem = ice_find_rule_entry(hw, recp_id, &f_entry->fltr_info);
2438         if (!list_elem) {
2439                 status = ICE_ERR_DOES_NOT_EXIST;
2440                 goto exit;
2441         }
2442
2443         if (list_elem->fltr_info.fltr_act != ICE_FWD_TO_VSI_LIST) {
2444                 remove_rule = true;
2445         } else if (!list_elem->vsi_list_info) {
2446                 status = ICE_ERR_DOES_NOT_EXIST;
2447                 goto exit;
2448         } else if (list_elem->vsi_list_info->ref_cnt > 1) {
2449                 /* a ref_cnt > 1 indicates that the vsi_list is being
2450                  * shared by multiple rules. Decrement the ref_cnt and
2451                  * remove this rule, but do not modify the list, as it
2452                  * is in-use by other rules.
2453                  */
2454                 list_elem->vsi_list_info->ref_cnt--;
2455                 remove_rule = true;
2456         } else {
2457                 /* a ref_cnt of 1 indicates the vsi_list is only used
2458                  * by one rule. However, the original removal request is only
2459                  * for a single VSI. Update the vsi_list first, and only
2460                  * remove the rule if there are no further VSIs in this list.
2461                  */
2462                 vsi_handle = f_entry->fltr_info.vsi_handle;
2463                 status = ice_rem_update_vsi_list(hw, vsi_handle, list_elem);
2464                 if (status)
2465                         goto exit;
2466                 /* if VSI count goes to zero after updating the VSI list */
2467                 if (list_elem->vsi_count == 0)
2468                         remove_rule = true;
2469         }
2470
2471         if (remove_rule) {
2472                 /* Remove the lookup rule */
2473                 struct ice_aqc_sw_rules_elem *s_rule;
2474
2475                 s_rule = (struct ice_aqc_sw_rules_elem *)
2476                         ice_malloc(hw, ICE_SW_RULE_RX_TX_NO_HDR_SIZE);
2477                 if (!s_rule) {
2478                         status = ICE_ERR_NO_MEMORY;
2479                         goto exit;
2480                 }
2481
2482                 ice_fill_sw_rule(hw, &list_elem->fltr_info, s_rule,
2483                                  ice_aqc_opc_remove_sw_rules);
2484
2485                 status = ice_aq_sw_rules(hw, s_rule,
2486                                          ICE_SW_RULE_RX_TX_NO_HDR_SIZE, 1,
2487                                          ice_aqc_opc_remove_sw_rules, NULL);
2488                 if (status)
2489                         goto exit;
2490
2491                 /* Remove a book keeping from the list */
2492                 ice_free(hw, s_rule);
2493
2494                 LIST_DEL(&list_elem->list_entry);
2495                 ice_free(hw, list_elem);
2496         }
2497 exit:
2498         ice_release_lock(rule_lock);
2499         return status;
2500 }
2501
2502 /**
2503  * ice_aq_get_res_alloc - get allocated resources
2504  * @hw: pointer to the HW struct
2505  * @num_entries: pointer to u16 to store the number of resource entries returned
2506  * @buf: pointer to user-supplied buffer
2507  * @buf_size: size of buff
2508  * @cd: pointer to command details structure or NULL
2509  *
2510  * The user-supplied buffer must be large enough to store the resource
2511  * information for all resource types. Each resource type is an
2512  * ice_aqc_get_res_resp_data_elem structure.
2513  */
2514 enum ice_status
2515 ice_aq_get_res_alloc(struct ice_hw *hw, u16 *num_entries, void *buf,
2516                      u16 buf_size, struct ice_sq_cd *cd)
2517 {
2518         struct ice_aqc_get_res_alloc *resp;
2519         enum ice_status status;
2520         struct ice_aq_desc desc;
2521
2522         if (!buf)
2523                 return ICE_ERR_BAD_PTR;
2524
2525         if (buf_size < ICE_AQ_GET_RES_ALLOC_BUF_LEN)
2526                 return ICE_ERR_INVAL_SIZE;
2527
2528         resp = &desc.params.get_res;
2529
2530         ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_res_alloc);
2531         status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
2532
2533         if (!status && num_entries)
2534                 *num_entries = LE16_TO_CPU(resp->resp_elem_num);
2535
2536         return status;
2537 }
2538
2539 /**
2540  * ice_aq_get_res_descs - get allocated resource descriptors
2541  * @hw: pointer to the hardware structure
2542  * @num_entries: number of resource entries in buffer
2543  * @buf: Indirect buffer to hold data parameters and response
2544  * @buf_size: size of buffer for indirect commands
2545  * @res_type: resource type
2546  * @res_shared: is resource shared
2547  * @desc_id: input - first desc ID to start; output - next desc ID
2548  * @cd: pointer to command details structure or NULL
2549  */
2550 enum ice_status
2551 ice_aq_get_res_descs(struct ice_hw *hw, u16 num_entries,
2552                      struct ice_aqc_get_allocd_res_desc_resp *buf,
2553                      u16 buf_size, u16 res_type, bool res_shared, u16 *desc_id,
2554                      struct ice_sq_cd *cd)
2555 {
2556         struct ice_aqc_get_allocd_res_desc *cmd;
2557         struct ice_aq_desc desc;
2558         enum ice_status status;
2559
2560         ice_debug(hw, ICE_DBG_TRACE, "ice_aq_get_res_descs");
2561
2562         cmd = &desc.params.get_res_desc;
2563
2564         if (!buf)
2565                 return ICE_ERR_PARAM;
2566
2567         if (buf_size != (num_entries * sizeof(*buf)))
2568                 return ICE_ERR_PARAM;
2569
2570         ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_get_allocd_res_desc);
2571
2572         cmd->ops.cmd.res = CPU_TO_LE16(((res_type << ICE_AQC_RES_TYPE_S) &
2573                                          ICE_AQC_RES_TYPE_M) | (res_shared ?
2574                                         ICE_AQC_RES_TYPE_FLAG_SHARED : 0));
2575         cmd->ops.cmd.first_desc = CPU_TO_LE16(*desc_id);
2576
2577         desc.flags |= CPU_TO_LE16(ICE_AQ_FLAG_RD);
2578
2579         status = ice_aq_send_cmd(hw, &desc, buf, buf_size, cd);
2580         if (!status)
2581                 *desc_id = LE16_TO_CPU(cmd->ops.resp.next_desc);
2582
2583         return status;
2584 }
2585
2586 /**
2587  * ice_add_mac - Add a MAC address based filter rule
2588  * @hw: pointer to the hardware structure
2589  * @m_list: list of MAC addresses and forwarding information
2590  *
2591  * IMPORTANT: When the ucast_shared flag is set to false and m_list has
2592  * multiple unicast addresses, the function assumes that all the
2593  * addresses are unique in a given add_mac call. It doesn't
2594  * check for duplicates in this case, removing duplicates from a given
2595  * list should be taken care of in the caller of this function.
2596  */
2597 enum ice_status
2598 ice_add_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *m_list)
2599 {
2600         struct ice_aqc_sw_rules_elem *s_rule, *r_iter;
2601         struct ice_fltr_list_entry *m_list_itr;
2602         struct LIST_HEAD_TYPE *rule_head;
2603         u16 elem_sent, total_elem_left;
2604         struct ice_switch_info *sw;
2605         struct ice_lock *rule_lock; /* Lock to protect filter rule list */
2606         enum ice_status status = ICE_SUCCESS;
2607         u16 num_unicast = 0;
2608         u16 s_rule_size;
2609
2610         if (!m_list || !hw)
2611                 return ICE_ERR_PARAM;
2612         s_rule = NULL;
2613         sw = hw->switch_info;
2614         rule_lock = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rule_lock;
2615         LIST_FOR_EACH_ENTRY(m_list_itr, m_list, ice_fltr_list_entry,
2616                             list_entry) {
2617                 u8 *add = &m_list_itr->fltr_info.l_data.mac.mac_addr[0];
2618                 u16 vsi_handle;
2619                 u16 hw_vsi_id;
2620
2621                 m_list_itr->fltr_info.flag = ICE_FLTR_TX;
2622                 vsi_handle = m_list_itr->fltr_info.vsi_handle;
2623                 if (!ice_is_vsi_valid(hw, vsi_handle))
2624                         return ICE_ERR_PARAM;
2625                 hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
2626                 m_list_itr->fltr_info.fwd_id.hw_vsi_id = hw_vsi_id;
2627                 /* update the src in case it is VSI num */
2628                 if (m_list_itr->fltr_info.src_id != ICE_SRC_ID_VSI)
2629                         return ICE_ERR_PARAM;
2630                 m_list_itr->fltr_info.src = hw_vsi_id;
2631                 if (m_list_itr->fltr_info.lkup_type != ICE_SW_LKUP_MAC ||
2632                     IS_ZERO_ETHER_ADDR(add))
2633                         return ICE_ERR_PARAM;
2634                 if (IS_UNICAST_ETHER_ADDR(add) && !hw->ucast_shared) {
2635                         /* Don't overwrite the unicast address */
2636                         ice_acquire_lock(rule_lock);
2637                         if (ice_find_rule_entry(hw, ICE_SW_LKUP_MAC,
2638                                                 &m_list_itr->fltr_info)) {
2639                                 ice_release_lock(rule_lock);
2640                                 return ICE_ERR_ALREADY_EXISTS;
2641                         }
2642                         ice_release_lock(rule_lock);
2643                         num_unicast++;
2644                 } else if (IS_MULTICAST_ETHER_ADDR(add) ||
2645                            (IS_UNICAST_ETHER_ADDR(add) && hw->ucast_shared)) {
2646                         m_list_itr->status =
2647                                 ice_add_rule_internal(hw, ICE_SW_LKUP_MAC,
2648                                                       m_list_itr);
2649                         if (m_list_itr->status)
2650                                 return m_list_itr->status;
2651                 }
2652         }
2653
2654         ice_acquire_lock(rule_lock);
2655         /* Exit if no suitable entries were found for adding bulk switch rule */
2656         if (!num_unicast) {
2657                 status = ICE_SUCCESS;
2658                 goto ice_add_mac_exit;
2659         }
2660
2661         rule_head = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rules;
2662
2663         /* Allocate switch rule buffer for the bulk update for unicast */
2664         s_rule_size = ICE_SW_RULE_RX_TX_ETH_HDR_SIZE;
2665         s_rule = (struct ice_aqc_sw_rules_elem *)
2666                 ice_calloc(hw, num_unicast, s_rule_size);
2667         if (!s_rule) {
2668                 status = ICE_ERR_NO_MEMORY;
2669                 goto ice_add_mac_exit;
2670         }
2671
2672         r_iter = s_rule;
2673         LIST_FOR_EACH_ENTRY(m_list_itr, m_list, ice_fltr_list_entry,
2674                             list_entry) {
2675                 struct ice_fltr_info *f_info = &m_list_itr->fltr_info;
2676                 u8 *mac_addr = &f_info->l_data.mac.mac_addr[0];
2677
2678                 if (IS_UNICAST_ETHER_ADDR(mac_addr)) {
2679                         ice_fill_sw_rule(hw, &m_list_itr->fltr_info, r_iter,
2680                                          ice_aqc_opc_add_sw_rules);
2681                         r_iter = (struct ice_aqc_sw_rules_elem *)
2682                                 ((u8 *)r_iter + s_rule_size);
2683                 }
2684         }
2685
2686         /* Call AQ bulk switch rule update for all unicast addresses */
2687         r_iter = s_rule;
2688         /* Call AQ switch rule in AQ_MAX chunk */
2689         for (total_elem_left = num_unicast; total_elem_left > 0;
2690              total_elem_left -= elem_sent) {
2691                 struct ice_aqc_sw_rules_elem *entry = r_iter;
2692
2693                 elem_sent = min(total_elem_left,
2694                                 (u16)(ICE_AQ_MAX_BUF_LEN / s_rule_size));
2695                 status = ice_aq_sw_rules(hw, entry, elem_sent * s_rule_size,
2696                                          elem_sent, ice_aqc_opc_add_sw_rules,
2697                                          NULL);
2698                 if (status)
2699                         goto ice_add_mac_exit;
2700                 r_iter = (struct ice_aqc_sw_rules_elem *)
2701                         ((u8 *)r_iter + (elem_sent * s_rule_size));
2702         }
2703
2704         /* Fill up rule ID based on the value returned from FW */
2705         r_iter = s_rule;
2706         LIST_FOR_EACH_ENTRY(m_list_itr, m_list, ice_fltr_list_entry,
2707                             list_entry) {
2708                 struct ice_fltr_info *f_info = &m_list_itr->fltr_info;
2709                 u8 *mac_addr = &f_info->l_data.mac.mac_addr[0];
2710                 struct ice_fltr_mgmt_list_entry *fm_entry;
2711
2712                 if (IS_UNICAST_ETHER_ADDR(mac_addr)) {
2713                         f_info->fltr_rule_id =
2714                                 LE16_TO_CPU(r_iter->pdata.lkup_tx_rx.index);
2715                         f_info->fltr_act = ICE_FWD_TO_VSI;
2716                         /* Create an entry to track this MAC address */
2717                         fm_entry = (struct ice_fltr_mgmt_list_entry *)
2718                                 ice_malloc(hw, sizeof(*fm_entry));
2719                         if (!fm_entry) {
2720                                 status = ICE_ERR_NO_MEMORY;
2721                                 goto ice_add_mac_exit;
2722                         }
2723                         fm_entry->fltr_info = *f_info;
2724                         fm_entry->vsi_count = 1;
2725                         /* The book keeping entries will get removed when
2726                          * base driver calls remove filter AQ command
2727                          */
2728
2729                         LIST_ADD(&fm_entry->list_entry, rule_head);
2730                         r_iter = (struct ice_aqc_sw_rules_elem *)
2731                                 ((u8 *)r_iter + s_rule_size);
2732                 }
2733         }
2734
2735 ice_add_mac_exit:
2736         ice_release_lock(rule_lock);
2737         if (s_rule)
2738                 ice_free(hw, s_rule);
2739         return status;
2740 }
2741
2742 /**
2743  * ice_add_vlan_internal - Add one VLAN based filter rule
2744  * @hw: pointer to the hardware structure
2745  * @f_entry: filter entry containing one VLAN information
2746  */
2747 static enum ice_status
2748 ice_add_vlan_internal(struct ice_hw *hw, struct ice_fltr_list_entry *f_entry)
2749 {
2750         struct ice_switch_info *sw = hw->switch_info;
2751         struct ice_fltr_mgmt_list_entry *v_list_itr;
2752         struct ice_fltr_info *new_fltr, *cur_fltr;
2753         enum ice_sw_lkup_type lkup_type;
2754         u16 vsi_list_id = 0, vsi_handle;
2755         struct ice_lock *rule_lock; /* Lock to protect filter rule list */
2756         enum ice_status status = ICE_SUCCESS;
2757
2758         if (!ice_is_vsi_valid(hw, f_entry->fltr_info.vsi_handle))
2759                 return ICE_ERR_PARAM;
2760
2761         f_entry->fltr_info.fwd_id.hw_vsi_id =
2762                 ice_get_hw_vsi_num(hw, f_entry->fltr_info.vsi_handle);
2763         new_fltr = &f_entry->fltr_info;
2764
2765         /* VLAN ID should only be 12 bits */
2766         if (new_fltr->l_data.vlan.vlan_id > ICE_MAX_VLAN_ID)
2767                 return ICE_ERR_PARAM;
2768
2769         if (new_fltr->src_id != ICE_SRC_ID_VSI)
2770                 return ICE_ERR_PARAM;
2771
2772         new_fltr->src = new_fltr->fwd_id.hw_vsi_id;
2773         lkup_type = new_fltr->lkup_type;
2774         vsi_handle = new_fltr->vsi_handle;
2775         rule_lock = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rule_lock;
2776         ice_acquire_lock(rule_lock);
2777         v_list_itr = ice_find_rule_entry(hw, ICE_SW_LKUP_VLAN, new_fltr);
2778         if (!v_list_itr) {
2779                 struct ice_vsi_list_map_info *map_info = NULL;
2780
2781                 if (new_fltr->fltr_act == ICE_FWD_TO_VSI) {
2782                         /* All VLAN pruning rules use a VSI list. Check if
2783                          * there is already a VSI list containing VSI that we
2784                          * want to add. If found, use the same vsi_list_id for
2785                          * this new VLAN rule or else create a new list.
2786                          */
2787                         map_info = ice_find_vsi_list_entry(hw, ICE_SW_LKUP_VLAN,
2788                                                            vsi_handle,
2789                                                            &vsi_list_id);
2790                         if (!map_info) {
2791                                 status = ice_create_vsi_list_rule(hw,
2792                                                                   &vsi_handle,
2793                                                                   1,
2794                                                                   &vsi_list_id,
2795                                                                   lkup_type);
2796                                 if (status)
2797                                         goto exit;
2798                         }
2799                         /* Convert the action to forwarding to a VSI list. */
2800                         new_fltr->fltr_act = ICE_FWD_TO_VSI_LIST;
2801                         new_fltr->fwd_id.vsi_list_id = vsi_list_id;
2802                 }
2803
2804                 status = ice_create_pkt_fwd_rule(hw, f_entry);
2805                 if (!status) {
2806                         v_list_itr = ice_find_rule_entry(hw, ICE_SW_LKUP_VLAN,
2807                                                          new_fltr);
2808                         if (!v_list_itr) {
2809                                 status = ICE_ERR_DOES_NOT_EXIST;
2810                                 goto exit;
2811                         }
2812                         /* reuse VSI list for new rule and increment ref_cnt */
2813                         if (map_info) {
2814                                 v_list_itr->vsi_list_info = map_info;
2815                                 map_info->ref_cnt++;
2816                         } else {
2817                                 v_list_itr->vsi_list_info =
2818                                         ice_create_vsi_list_map(hw, &vsi_handle,
2819                                                                 1, vsi_list_id);
2820                         }
2821                 }
2822         } else if (v_list_itr->vsi_list_info->ref_cnt == 1) {
2823                 /* Update existing VSI list to add new VSI ID only if it used
2824                  * by one VLAN rule.
2825                  */
2826                 cur_fltr = &v_list_itr->fltr_info;
2827                 status = ice_add_update_vsi_list(hw, v_list_itr, cur_fltr,
2828                                                  new_fltr);
2829         } else {
2830                 /* If VLAN rule exists and VSI list being used by this rule is
2831                  * referenced by more than 1 VLAN rule. Then create a new VSI
2832                  * list appending previous VSI with new VSI and update existing
2833                  * VLAN rule to point to new VSI list ID
2834                  */
2835                 struct ice_fltr_info tmp_fltr;
2836                 u16 vsi_handle_arr[2];
2837                 u16 cur_handle;
2838
2839                 /* Current implementation only supports reusing VSI list with
2840                  * one VSI count. We should never hit below condition
2841                  */
2842                 if (v_list_itr->vsi_count > 1 &&
2843                     v_list_itr->vsi_list_info->ref_cnt > 1) {
2844                         ice_debug(hw, ICE_DBG_SW,
2845                                   "Invalid configuration: Optimization to reuse VSI list with more than one VSI is not being done yet\n");
2846                         status = ICE_ERR_CFG;
2847                         goto exit;
2848                 }
2849
2850                 cur_handle =
2851                         ice_find_first_bit(v_list_itr->vsi_list_info->vsi_map,
2852                                            ICE_MAX_VSI);
2853
2854                 /* A rule already exists with the new VSI being added */
2855                 if (cur_handle == vsi_handle) {
2856                         status = ICE_ERR_ALREADY_EXISTS;
2857                         goto exit;
2858                 }
2859
2860                 vsi_handle_arr[0] = cur_handle;
2861                 vsi_handle_arr[1] = vsi_handle;
2862                 status = ice_create_vsi_list_rule(hw, &vsi_handle_arr[0], 2,
2863                                                   &vsi_list_id, lkup_type);
2864                 if (status)
2865                         goto exit;
2866
2867                 tmp_fltr = v_list_itr->fltr_info;
2868                 tmp_fltr.fltr_rule_id = v_list_itr->fltr_info.fltr_rule_id;
2869                 tmp_fltr.fwd_id.vsi_list_id = vsi_list_id;
2870                 tmp_fltr.fltr_act = ICE_FWD_TO_VSI_LIST;
2871                 /* Update the previous switch rule to a new VSI list which
2872                  * includes current VSI that is requested
2873                  */
2874                 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr);
2875                 if (status)
2876                         goto exit;
2877
2878                 /* before overriding VSI list map info. decrement ref_cnt of
2879                  * previous VSI list
2880                  */
2881                 v_list_itr->vsi_list_info->ref_cnt--;
2882
2883                 /* now update to newly created list */
2884                 v_list_itr->fltr_info.fwd_id.vsi_list_id = vsi_list_id;
2885                 v_list_itr->vsi_list_info =
2886                         ice_create_vsi_list_map(hw, &vsi_handle_arr[0], 2,
2887                                                 vsi_list_id);
2888                 v_list_itr->vsi_count++;
2889         }
2890
2891 exit:
2892         ice_release_lock(rule_lock);
2893         return status;
2894 }
2895
2896 /**
2897  * ice_add_vlan - Add VLAN based filter rule
2898  * @hw: pointer to the hardware structure
2899  * @v_list: list of VLAN entries and forwarding information
2900  */
2901 enum ice_status
2902 ice_add_vlan(struct ice_hw *hw, struct LIST_HEAD_TYPE *v_list)
2903 {
2904         struct ice_fltr_list_entry *v_list_itr;
2905
2906         if (!v_list || !hw)
2907                 return ICE_ERR_PARAM;
2908
2909         LIST_FOR_EACH_ENTRY(v_list_itr, v_list, ice_fltr_list_entry,
2910                             list_entry) {
2911                 if (v_list_itr->fltr_info.lkup_type != ICE_SW_LKUP_VLAN)
2912                         return ICE_ERR_PARAM;
2913                 v_list_itr->fltr_info.flag = ICE_FLTR_TX;
2914                 v_list_itr->status = ice_add_vlan_internal(hw, v_list_itr);
2915                 if (v_list_itr->status)
2916                         return v_list_itr->status;
2917         }
2918         return ICE_SUCCESS;
2919 }
2920
2921 #ifndef NO_MACVLAN_SUPPORT
2922 /**
2923  * ice_add_mac_vlan - Add MAC and VLAN pair based filter rule
2924  * @hw: pointer to the hardware structure
2925  * @mv_list: list of MAC and VLAN filters
2926  *
2927  * If the VSI on which the MAC-VLAN pair has to be added has Rx and Tx VLAN
2928  * pruning bits enabled, then it is the responsibility of the caller to make
2929  * sure to add a VLAN only filter on the same VSI. Packets belonging to that
2930  * VLAN won't be received on that VSI otherwise.
2931  */
2932 enum ice_status
2933 ice_add_mac_vlan(struct ice_hw *hw, struct LIST_HEAD_TYPE *mv_list)
2934 {
2935         struct ice_fltr_list_entry *mv_list_itr;
2936
2937         if (!mv_list || !hw)
2938                 return ICE_ERR_PARAM;
2939
2940         LIST_FOR_EACH_ENTRY(mv_list_itr, mv_list, ice_fltr_list_entry,
2941                             list_entry) {
2942                 enum ice_sw_lkup_type l_type =
2943                         mv_list_itr->fltr_info.lkup_type;
2944
2945                 if (l_type != ICE_SW_LKUP_MAC_VLAN)
2946                         return ICE_ERR_PARAM;
2947                 mv_list_itr->fltr_info.flag = ICE_FLTR_TX;
2948                 mv_list_itr->status =
2949                         ice_add_rule_internal(hw, ICE_SW_LKUP_MAC_VLAN,
2950                                               mv_list_itr);
2951                 if (mv_list_itr->status)
2952                         return mv_list_itr->status;
2953         }
2954         return ICE_SUCCESS;
2955 }
2956 #endif
2957
2958 /**
2959  * ice_add_eth_mac - Add ethertype and MAC based filter rule
2960  * @hw: pointer to the hardware structure
2961  * @em_list: list of ether type MAC filter, MAC is optional
2962  */
2963 enum ice_status
2964 ice_add_eth_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *em_list)
2965 {
2966         struct ice_fltr_list_entry *em_list_itr;
2967
2968         LIST_FOR_EACH_ENTRY(em_list_itr, em_list, ice_fltr_list_entry,
2969                             list_entry) {
2970                 enum ice_sw_lkup_type l_type =
2971                         em_list_itr->fltr_info.lkup_type;
2972
2973                 if (l_type != ICE_SW_LKUP_ETHERTYPE_MAC &&
2974                     l_type != ICE_SW_LKUP_ETHERTYPE)
2975                         return ICE_ERR_PARAM;
2976
2977                 em_list_itr->fltr_info.flag = ICE_FLTR_TX;
2978                 em_list_itr->status = ice_add_rule_internal(hw, l_type,
2979                                                             em_list_itr);
2980                 if (em_list_itr->status)
2981                         return em_list_itr->status;
2982         }
2983         return ICE_SUCCESS;
2984 }
2985
2986 /**
2987  * ice_remove_eth_mac - Remove an ethertype (or MAC) based filter rule
2988  * @hw: pointer to the hardware structure
2989  * @em_list: list of ethertype or ethertype MAC entries
2990  */
2991 enum ice_status
2992 ice_remove_eth_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *em_list)
2993 {
2994         struct ice_fltr_list_entry *em_list_itr, *tmp;
2995
2996         if (!em_list || !hw)
2997                 return ICE_ERR_PARAM;
2998
2999         LIST_FOR_EACH_ENTRY_SAFE(em_list_itr, tmp, em_list, ice_fltr_list_entry,
3000                                  list_entry) {
3001                 enum ice_sw_lkup_type l_type =
3002                         em_list_itr->fltr_info.lkup_type;
3003
3004                 if (l_type != ICE_SW_LKUP_ETHERTYPE_MAC &&
3005                     l_type != ICE_SW_LKUP_ETHERTYPE)
3006                         return ICE_ERR_PARAM;
3007
3008                 em_list_itr->status = ice_remove_rule_internal(hw, l_type,
3009                                                                em_list_itr);
3010                 if (em_list_itr->status)
3011                         return em_list_itr->status;
3012         }
3013         return ICE_SUCCESS;
3014 }
3015
3016
3017 /**
3018  * ice_rem_sw_rule_info
3019  * @hw: pointer to the hardware structure
3020  * @rule_head: pointer to the switch list structure that we want to delete
3021  */
3022 static void
3023 ice_rem_sw_rule_info(struct ice_hw *hw, struct LIST_HEAD_TYPE *rule_head)
3024 {
3025         if (!LIST_EMPTY(rule_head)) {
3026                 struct ice_fltr_mgmt_list_entry *entry;
3027                 struct ice_fltr_mgmt_list_entry *tmp;
3028
3029                 LIST_FOR_EACH_ENTRY_SAFE(entry, tmp, rule_head,
3030                                          ice_fltr_mgmt_list_entry, list_entry) {
3031                         LIST_DEL(&entry->list_entry);
3032                         ice_free(hw, entry);
3033                 }
3034         }
3035 }
3036
3037 /**
3038  * ice_rem_adv_rule_info
3039  * @hw: pointer to the hardware structure
3040  * @rule_head: pointer to the switch list structure that we want to delete
3041  */
3042 static void
3043 ice_rem_adv_rule_info(struct ice_hw *hw, struct LIST_HEAD_TYPE *rule_head)
3044 {
3045         struct ice_adv_fltr_mgmt_list_entry *tmp_entry;
3046         struct ice_adv_fltr_mgmt_list_entry *lst_itr;
3047
3048         if (LIST_EMPTY(rule_head))
3049                 return;
3050
3051         LIST_FOR_EACH_ENTRY_SAFE(lst_itr, tmp_entry, rule_head,
3052                                  ice_adv_fltr_mgmt_list_entry, list_entry) {
3053                 LIST_DEL(&lst_itr->list_entry);
3054                 ice_free(hw, lst_itr->lkups);
3055                 ice_free(hw, lst_itr);
3056         }
3057 }
3058
3059 /**
3060  * ice_rem_all_sw_rules_info
3061  * @hw: pointer to the hardware structure
3062  */
3063 void ice_rem_all_sw_rules_info(struct ice_hw *hw)
3064 {
3065         struct ice_switch_info *sw = hw->switch_info;
3066         u8 i;
3067
3068         for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
3069                 struct LIST_HEAD_TYPE *rule_head;
3070
3071                 rule_head = &sw->recp_list[i].filt_rules;
3072                 if (!sw->recp_list[i].adv_rule)
3073                         ice_rem_sw_rule_info(hw, rule_head);
3074                 else
3075                         ice_rem_adv_rule_info(hw, rule_head);
3076         }
3077 }
3078
3079 /**
3080  * ice_cfg_dflt_vsi - change state of VSI to set/clear default
3081  * @pi: pointer to the port_info structure
3082  * @vsi_handle: VSI handle to set as default
3083  * @set: true to add the above mentioned switch rule, false to remove it
3084  * @direction: ICE_FLTR_RX or ICE_FLTR_TX
3085  *
3086  * add filter rule to set/unset given VSI as default VSI for the switch
3087  * (represented by swid)
3088  */
3089 enum ice_status
3090 ice_cfg_dflt_vsi(struct ice_port_info *pi, u16 vsi_handle, bool set,
3091                  u8 direction)
3092 {
3093         struct ice_aqc_sw_rules_elem *s_rule;
3094         struct ice_fltr_info f_info;
3095         struct ice_hw *hw = pi->hw;
3096         enum ice_adminq_opc opcode;
3097         enum ice_status status;
3098         u16 s_rule_size;
3099         u16 hw_vsi_id;
3100
3101         if (!ice_is_vsi_valid(hw, vsi_handle))
3102                 return ICE_ERR_PARAM;
3103         hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
3104
3105         s_rule_size = set ? ICE_SW_RULE_RX_TX_ETH_HDR_SIZE :
3106                             ICE_SW_RULE_RX_TX_NO_HDR_SIZE;
3107         s_rule = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw, s_rule_size);
3108         if (!s_rule)
3109                 return ICE_ERR_NO_MEMORY;
3110
3111         ice_memset(&f_info, 0, sizeof(f_info), ICE_NONDMA_MEM);
3112
3113         f_info.lkup_type = ICE_SW_LKUP_DFLT;
3114         f_info.flag = direction;
3115         f_info.fltr_act = ICE_FWD_TO_VSI;
3116         f_info.fwd_id.hw_vsi_id = hw_vsi_id;
3117
3118         if (f_info.flag & ICE_FLTR_RX) {
3119                 f_info.src = pi->lport;
3120                 f_info.src_id = ICE_SRC_ID_LPORT;
3121                 if (!set)
3122                         f_info.fltr_rule_id =
3123                                 pi->dflt_rx_vsi_rule_id;
3124         } else if (f_info.flag & ICE_FLTR_TX) {
3125                 f_info.src_id = ICE_SRC_ID_VSI;
3126                 f_info.src = hw_vsi_id;
3127                 if (!set)
3128                         f_info.fltr_rule_id =
3129                                 pi->dflt_tx_vsi_rule_id;
3130         }
3131
3132         if (set)
3133                 opcode = ice_aqc_opc_add_sw_rules;
3134         else
3135                 opcode = ice_aqc_opc_remove_sw_rules;
3136
3137         ice_fill_sw_rule(hw, &f_info, s_rule, opcode);
3138
3139         status = ice_aq_sw_rules(hw, s_rule, s_rule_size, 1, opcode, NULL);
3140         if (status || !(f_info.flag & ICE_FLTR_TX_RX))
3141                 goto out;
3142         if (set) {
3143                 u16 index = LE16_TO_CPU(s_rule->pdata.lkup_tx_rx.index);
3144
3145                 if (f_info.flag & ICE_FLTR_TX) {
3146                         pi->dflt_tx_vsi_num = hw_vsi_id;
3147                         pi->dflt_tx_vsi_rule_id = index;
3148                 } else if (f_info.flag & ICE_FLTR_RX) {
3149                         pi->dflt_rx_vsi_num = hw_vsi_id;
3150                         pi->dflt_rx_vsi_rule_id = index;
3151                 }
3152         } else {
3153                 if (f_info.flag & ICE_FLTR_TX) {
3154                         pi->dflt_tx_vsi_num = ICE_DFLT_VSI_INVAL;
3155                         pi->dflt_tx_vsi_rule_id = ICE_INVAL_ACT;
3156                 } else if (f_info.flag & ICE_FLTR_RX) {
3157                         pi->dflt_rx_vsi_num = ICE_DFLT_VSI_INVAL;
3158                         pi->dflt_rx_vsi_rule_id = ICE_INVAL_ACT;
3159                 }
3160         }
3161
3162 out:
3163         ice_free(hw, s_rule);
3164         return status;
3165 }
3166
3167 /**
3168  * ice_remove_mac - remove a MAC address based filter rule
3169  * @hw: pointer to the hardware structure
3170  * @m_list: list of MAC addresses and forwarding information
3171  *
3172  * This function removes either a MAC filter rule or a specific VSI from a
3173  * VSI list for a multicast MAC address.
3174  *
3175  * Returns ICE_ERR_DOES_NOT_EXIST if a given entry was not added by
3176  * ice_add_mac. Caller should be aware that this call will only work if all
3177  * the entries passed into m_list were added previously. It will not attempt to
3178  * do a partial remove of entries that were found.
3179  */
3180 enum ice_status
3181 ice_remove_mac(struct ice_hw *hw, struct LIST_HEAD_TYPE *m_list)
3182 {
3183         struct ice_fltr_list_entry *list_itr, *tmp;
3184
3185         if (!m_list)
3186                 return ICE_ERR_PARAM;
3187
3188         LIST_FOR_EACH_ENTRY_SAFE(list_itr, tmp, m_list, ice_fltr_list_entry,
3189                                  list_entry) {
3190                 enum ice_sw_lkup_type l_type = list_itr->fltr_info.lkup_type;
3191
3192                 if (l_type != ICE_SW_LKUP_MAC)
3193                         return ICE_ERR_PARAM;
3194                 list_itr->status = ice_remove_rule_internal(hw,
3195                                                             ICE_SW_LKUP_MAC,
3196                                                             list_itr);
3197                 if (list_itr->status)
3198                         return list_itr->status;
3199         }
3200         return ICE_SUCCESS;
3201 }
3202
3203 /**
3204  * ice_remove_vlan - Remove VLAN based filter rule
3205  * @hw: pointer to the hardware structure
3206  * @v_list: list of VLAN entries and forwarding information
3207  */
3208 enum ice_status
3209 ice_remove_vlan(struct ice_hw *hw, struct LIST_HEAD_TYPE *v_list)
3210 {
3211         struct ice_fltr_list_entry *v_list_itr, *tmp;
3212
3213         if (!v_list || !hw)
3214                 return ICE_ERR_PARAM;
3215
3216         LIST_FOR_EACH_ENTRY_SAFE(v_list_itr, tmp, v_list, ice_fltr_list_entry,
3217                                  list_entry) {
3218                 enum ice_sw_lkup_type l_type = v_list_itr->fltr_info.lkup_type;
3219
3220                 if (l_type != ICE_SW_LKUP_VLAN)
3221                         return ICE_ERR_PARAM;
3222                 v_list_itr->status = ice_remove_rule_internal(hw,
3223                                                               ICE_SW_LKUP_VLAN,
3224                                                               v_list_itr);
3225                 if (v_list_itr->status)
3226                         return v_list_itr->status;
3227         }
3228         return ICE_SUCCESS;
3229 }
3230
3231 #ifndef NO_MACVLAN_SUPPORT
3232 /**
3233  * ice_remove_mac_vlan - Remove MAC VLAN based filter rule
3234  * @hw: pointer to the hardware structure
3235  * @v_list: list of MAC VLAN entries and forwarding information
3236  */
3237 enum ice_status
3238 ice_remove_mac_vlan(struct ice_hw *hw, struct LIST_HEAD_TYPE *v_list)
3239 {
3240         struct ice_fltr_list_entry *v_list_itr, *tmp;
3241
3242         if (!v_list || !hw)
3243                 return ICE_ERR_PARAM;
3244
3245         LIST_FOR_EACH_ENTRY_SAFE(v_list_itr, tmp, v_list, ice_fltr_list_entry,
3246                                  list_entry) {
3247                 enum ice_sw_lkup_type l_type = v_list_itr->fltr_info.lkup_type;
3248
3249                 if (l_type != ICE_SW_LKUP_MAC_VLAN)
3250                         return ICE_ERR_PARAM;
3251                 v_list_itr->status =
3252                         ice_remove_rule_internal(hw, ICE_SW_LKUP_MAC_VLAN,
3253                                                  v_list_itr);
3254                 if (v_list_itr->status)
3255                         return v_list_itr->status;
3256         }
3257         return ICE_SUCCESS;
3258 }
3259 #endif /* !NO_MACVLAN_SUPPORT */
3260
3261 /**
3262  * ice_vsi_uses_fltr - Determine if given VSI uses specified filter
3263  * @fm_entry: filter entry to inspect
3264  * @vsi_handle: VSI handle to compare with filter info
3265  */
3266 static bool
3267 ice_vsi_uses_fltr(struct ice_fltr_mgmt_list_entry *fm_entry, u16 vsi_handle)
3268 {
3269         return ((fm_entry->fltr_info.fltr_act == ICE_FWD_TO_VSI &&
3270                  fm_entry->fltr_info.vsi_handle == vsi_handle) ||
3271                 (fm_entry->fltr_info.fltr_act == ICE_FWD_TO_VSI_LIST &&
3272                  (ice_is_bit_set(fm_entry->vsi_list_info->vsi_map,
3273                                  vsi_handle))));
3274 }
3275
3276 /**
3277  * ice_add_entry_to_vsi_fltr_list - Add copy of fltr_list_entry to remove list
3278  * @hw: pointer to the hardware structure
3279  * @vsi_handle: VSI handle to remove filters from
3280  * @vsi_list_head: pointer to the list to add entry to
3281  * @fi: pointer to fltr_info of filter entry to copy & add
3282  *
3283  * Helper function, used when creating a list of filters to remove from
3284  * a specific VSI. The entry added to vsi_list_head is a COPY of the
3285  * original filter entry, with the exception of fltr_info.fltr_act and
3286  * fltr_info.fwd_id fields. These are set such that later logic can
3287  * extract which VSI to remove the fltr from, and pass on that information.
3288  */
3289 static enum ice_status
3290 ice_add_entry_to_vsi_fltr_list(struct ice_hw *hw, u16 vsi_handle,
3291                                struct LIST_HEAD_TYPE *vsi_list_head,
3292                                struct ice_fltr_info *fi)
3293 {
3294         struct ice_fltr_list_entry *tmp;
3295
3296         /* this memory is freed up in the caller function
3297          * once filters for this VSI are removed
3298          */
3299         tmp = (struct ice_fltr_list_entry *)ice_malloc(hw, sizeof(*tmp));
3300         if (!tmp)
3301                 return ICE_ERR_NO_MEMORY;
3302
3303         tmp->fltr_info = *fi;
3304
3305         /* Overwrite these fields to indicate which VSI to remove filter from,
3306          * so find and remove logic can extract the information from the
3307          * list entries. Note that original entries will still have proper
3308          * values.
3309          */
3310         tmp->fltr_info.fltr_act = ICE_FWD_TO_VSI;
3311         tmp->fltr_info.vsi_handle = vsi_handle;
3312         tmp->fltr_info.fwd_id.hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
3313
3314         LIST_ADD(&tmp->list_entry, vsi_list_head);
3315
3316         return ICE_SUCCESS;
3317 }
3318
3319 /**
3320  * ice_add_to_vsi_fltr_list - Add VSI filters to the list
3321  * @hw: pointer to the hardware structure
3322  * @vsi_handle: VSI handle to remove filters from
3323  * @lkup_list_head: pointer to the list that has certain lookup type filters
3324  * @vsi_list_head: pointer to the list pertaining to VSI with vsi_handle
3325  *
3326  * Locates all filters in lkup_list_head that are used by the given VSI,
3327  * and adds COPIES of those entries to vsi_list_head (intended to be used
3328  * to remove the listed filters).
3329  * Note that this means all entries in vsi_list_head must be explicitly
3330  * deallocated by the caller when done with list.
3331  */
3332 static enum ice_status
3333 ice_add_to_vsi_fltr_list(struct ice_hw *hw, u16 vsi_handle,
3334                          struct LIST_HEAD_TYPE *lkup_list_head,
3335                          struct LIST_HEAD_TYPE *vsi_list_head)
3336 {
3337         struct ice_fltr_mgmt_list_entry *fm_entry;
3338         enum ice_status status = ICE_SUCCESS;
3339
3340         /* check to make sure VSI ID is valid and within boundary */
3341         if (!ice_is_vsi_valid(hw, vsi_handle))
3342                 return ICE_ERR_PARAM;
3343
3344         LIST_FOR_EACH_ENTRY(fm_entry, lkup_list_head,
3345                             ice_fltr_mgmt_list_entry, list_entry) {
3346                 struct ice_fltr_info *fi;
3347
3348                 fi = &fm_entry->fltr_info;
3349                 if (!fi || !ice_vsi_uses_fltr(fm_entry, vsi_handle))
3350                         continue;
3351
3352                 status = ice_add_entry_to_vsi_fltr_list(hw, vsi_handle,
3353                                                         vsi_list_head, fi);
3354                 if (status)
3355                         return status;
3356         }
3357         return status;
3358 }
3359
3360
3361 /**
3362  * ice_determine_promisc_mask
3363  * @fi: filter info to parse
3364  *
3365  * Helper function to determine which ICE_PROMISC_ mask corresponds
3366  * to given filter into.
3367  */
3368 static u8 ice_determine_promisc_mask(struct ice_fltr_info *fi)
3369 {
3370         u16 vid = fi->l_data.mac_vlan.vlan_id;
3371         u8 *macaddr = fi->l_data.mac.mac_addr;
3372         bool is_tx_fltr = false;
3373         u8 promisc_mask = 0;
3374
3375         if (fi->flag == ICE_FLTR_TX)
3376                 is_tx_fltr = true;
3377
3378         if (IS_BROADCAST_ETHER_ADDR(macaddr))
3379                 promisc_mask |= is_tx_fltr ?
3380                         ICE_PROMISC_BCAST_TX : ICE_PROMISC_BCAST_RX;
3381         else if (IS_MULTICAST_ETHER_ADDR(macaddr))
3382                 promisc_mask |= is_tx_fltr ?
3383                         ICE_PROMISC_MCAST_TX : ICE_PROMISC_MCAST_RX;
3384         else if (IS_UNICAST_ETHER_ADDR(macaddr))
3385                 promisc_mask |= is_tx_fltr ?
3386                         ICE_PROMISC_UCAST_TX : ICE_PROMISC_UCAST_RX;
3387         if (vid)
3388                 promisc_mask |= is_tx_fltr ?
3389                         ICE_PROMISC_VLAN_TX : ICE_PROMISC_VLAN_RX;
3390
3391         return promisc_mask;
3392 }
3393
3394 /**
3395  * ice_get_vsi_promisc - get promiscuous mode of given VSI
3396  * @hw: pointer to the hardware structure
3397  * @vsi_handle: VSI handle to retrieve info from
3398  * @promisc_mask: pointer to mask to be filled in
3399  * @vid: VLAN ID of promisc VLAN VSI
3400  */
3401 enum ice_status
3402 ice_get_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 *promisc_mask,
3403                     u16 *vid)
3404 {
3405         struct ice_switch_info *sw = hw->switch_info;
3406         struct ice_fltr_mgmt_list_entry *itr;
3407         struct LIST_HEAD_TYPE *rule_head;
3408         struct ice_lock *rule_lock;     /* Lock to protect filter rule list */
3409
3410         if (!ice_is_vsi_valid(hw, vsi_handle))
3411                 return ICE_ERR_PARAM;
3412
3413         *vid = 0;
3414         *promisc_mask = 0;
3415         rule_head = &sw->recp_list[ICE_SW_LKUP_PROMISC].filt_rules;
3416         rule_lock = &sw->recp_list[ICE_SW_LKUP_PROMISC].filt_rule_lock;
3417
3418         ice_acquire_lock(rule_lock);
3419         LIST_FOR_EACH_ENTRY(itr, rule_head,
3420                             ice_fltr_mgmt_list_entry, list_entry) {
3421                 /* Continue if this filter doesn't apply to this VSI or the
3422                  * VSI ID is not in the VSI map for this filter
3423                  */
3424                 if (!ice_vsi_uses_fltr(itr, vsi_handle))
3425                         continue;
3426
3427                 *promisc_mask |= ice_determine_promisc_mask(&itr->fltr_info);
3428         }
3429         ice_release_lock(rule_lock);
3430
3431         return ICE_SUCCESS;
3432 }
3433
3434 /**
3435  * ice_get_vsi_vlan_promisc - get VLAN promiscuous mode of given VSI
3436  * @hw: pointer to the hardware structure
3437  * @vsi_handle: VSI handle to retrieve info from
3438  * @promisc_mask: pointer to mask to be filled in
3439  * @vid: VLAN ID of promisc VLAN VSI
3440  */
3441 enum ice_status
3442 ice_get_vsi_vlan_promisc(struct ice_hw *hw, u16 vsi_handle, u8 *promisc_mask,
3443                          u16 *vid)
3444 {
3445         struct ice_switch_info *sw = hw->switch_info;
3446         struct ice_fltr_mgmt_list_entry *itr;
3447         struct LIST_HEAD_TYPE *rule_head;
3448         struct ice_lock *rule_lock;     /* Lock to protect filter rule list */
3449
3450         if (!ice_is_vsi_valid(hw, vsi_handle))
3451                 return ICE_ERR_PARAM;
3452
3453         *vid = 0;
3454         *promisc_mask = 0;
3455         rule_head = &sw->recp_list[ICE_SW_LKUP_PROMISC_VLAN].filt_rules;
3456         rule_lock = &sw->recp_list[ICE_SW_LKUP_PROMISC_VLAN].filt_rule_lock;
3457
3458         ice_acquire_lock(rule_lock);
3459         LIST_FOR_EACH_ENTRY(itr, rule_head, ice_fltr_mgmt_list_entry,
3460                             list_entry) {
3461                 /* Continue if this filter doesn't apply to this VSI or the
3462                  * VSI ID is not in the VSI map for this filter
3463                  */
3464                 if (!ice_vsi_uses_fltr(itr, vsi_handle))
3465                         continue;
3466
3467                 *promisc_mask |= ice_determine_promisc_mask(&itr->fltr_info);
3468         }
3469         ice_release_lock(rule_lock);
3470
3471         return ICE_SUCCESS;
3472 }
3473
3474 /**
3475  * ice_remove_promisc - Remove promisc based filter rules
3476  * @hw: pointer to the hardware structure
3477  * @recp_id: recipe ID for which the rule needs to removed
3478  * @v_list: list of promisc entries
3479  */
3480 static enum ice_status
3481 ice_remove_promisc(struct ice_hw *hw, u8 recp_id,
3482                    struct LIST_HEAD_TYPE *v_list)
3483 {
3484         struct ice_fltr_list_entry *v_list_itr, *tmp;
3485
3486         LIST_FOR_EACH_ENTRY_SAFE(v_list_itr, tmp, v_list, ice_fltr_list_entry,
3487                                  list_entry) {
3488                 v_list_itr->status =
3489                         ice_remove_rule_internal(hw, recp_id, v_list_itr);
3490                 if (v_list_itr->status)
3491                         return v_list_itr->status;
3492         }
3493         return ICE_SUCCESS;
3494 }
3495
3496 /**
3497  * ice_clear_vsi_promisc - clear specified promiscuous mode(s) for given VSI
3498  * @hw: pointer to the hardware structure
3499  * @vsi_handle: VSI handle to clear mode
3500  * @promisc_mask: mask of promiscuous config bits to clear
3501  * @vid: VLAN ID to clear VLAN promiscuous
3502  */
3503 enum ice_status
3504 ice_clear_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
3505                       u16 vid)
3506 {
3507         struct ice_switch_info *sw = hw->switch_info;
3508         struct ice_fltr_list_entry *fm_entry, *tmp;
3509         struct LIST_HEAD_TYPE remove_list_head;
3510         struct ice_fltr_mgmt_list_entry *itr;
3511         struct LIST_HEAD_TYPE *rule_head;
3512         struct ice_lock *rule_lock;     /* Lock to protect filter rule list */
3513         enum ice_status status = ICE_SUCCESS;
3514         u8 recipe_id;
3515
3516         if (!ice_is_vsi_valid(hw, vsi_handle))
3517                 return ICE_ERR_PARAM;
3518
3519         if (vid)
3520                 recipe_id = ICE_SW_LKUP_PROMISC_VLAN;
3521         else
3522                 recipe_id = ICE_SW_LKUP_PROMISC;
3523
3524         rule_head = &sw->recp_list[recipe_id].filt_rules;
3525         rule_lock = &sw->recp_list[recipe_id].filt_rule_lock;
3526
3527         INIT_LIST_HEAD(&remove_list_head);
3528
3529         ice_acquire_lock(rule_lock);
3530         LIST_FOR_EACH_ENTRY(itr, rule_head,
3531                             ice_fltr_mgmt_list_entry, list_entry) {
3532                 u8 fltr_promisc_mask = 0;
3533
3534                 if (!ice_vsi_uses_fltr(itr, vsi_handle))
3535                         continue;
3536
3537                 fltr_promisc_mask |=
3538                         ice_determine_promisc_mask(&itr->fltr_info);
3539
3540                 /* Skip if filter is not completely specified by given mask */
3541                 if (fltr_promisc_mask & ~promisc_mask)
3542                         continue;
3543
3544                 status = ice_add_entry_to_vsi_fltr_list(hw, vsi_handle,
3545                                                         &remove_list_head,
3546                                                         &itr->fltr_info);
3547                 if (status) {
3548                         ice_release_lock(rule_lock);
3549                         goto free_fltr_list;
3550                 }
3551         }
3552         ice_release_lock(rule_lock);
3553
3554         status = ice_remove_promisc(hw, recipe_id, &remove_list_head);
3555
3556 free_fltr_list:
3557         LIST_FOR_EACH_ENTRY_SAFE(fm_entry, tmp, &remove_list_head,
3558                                  ice_fltr_list_entry, list_entry) {
3559                 LIST_DEL(&fm_entry->list_entry);
3560                 ice_free(hw, fm_entry);
3561         }
3562
3563         return status;
3564 }
3565
3566 /**
3567  * ice_set_vsi_promisc - set given VSI to given promiscuous mode(s)
3568  * @hw: pointer to the hardware structure
3569  * @vsi_handle: VSI handle to configure
3570  * @promisc_mask: mask of promiscuous config bits
3571  * @vid: VLAN ID to set VLAN promiscuous
3572  */
3573 enum ice_status
3574 ice_set_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask, u16 vid)
3575 {
3576         enum { UCAST_FLTR = 1, MCAST_FLTR, BCAST_FLTR };
3577         struct ice_fltr_list_entry f_list_entry;
3578         struct ice_fltr_info new_fltr;
3579         enum ice_status status = ICE_SUCCESS;
3580         bool is_tx_fltr;
3581         u16 hw_vsi_id;
3582         int pkt_type;
3583         u8 recipe_id;
3584
3585         ice_debug(hw, ICE_DBG_TRACE, "ice_set_vsi_promisc\n");
3586
3587         if (!ice_is_vsi_valid(hw, vsi_handle))
3588                 return ICE_ERR_PARAM;
3589         hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
3590
3591         ice_memset(&new_fltr, 0, sizeof(new_fltr), ICE_NONDMA_MEM);
3592
3593         if (promisc_mask & (ICE_PROMISC_VLAN_RX | ICE_PROMISC_VLAN_TX)) {
3594                 new_fltr.lkup_type = ICE_SW_LKUP_PROMISC_VLAN;
3595                 new_fltr.l_data.mac_vlan.vlan_id = vid;
3596                 recipe_id = ICE_SW_LKUP_PROMISC_VLAN;
3597         } else {
3598                 new_fltr.lkup_type = ICE_SW_LKUP_PROMISC;
3599                 recipe_id = ICE_SW_LKUP_PROMISC;
3600         }
3601
3602         /* Separate filters must be set for each direction/packet type
3603          * combination, so we will loop over the mask value, store the
3604          * individual type, and clear it out in the input mask as it
3605          * is found.
3606          */
3607         while (promisc_mask) {
3608                 u8 *mac_addr;
3609
3610                 pkt_type = 0;
3611                 is_tx_fltr = false;
3612
3613                 if (promisc_mask & ICE_PROMISC_UCAST_RX) {
3614                         promisc_mask &= ~ICE_PROMISC_UCAST_RX;
3615                         pkt_type = UCAST_FLTR;
3616                 } else if (promisc_mask & ICE_PROMISC_UCAST_TX) {
3617                         promisc_mask &= ~ICE_PROMISC_UCAST_TX;
3618                         pkt_type = UCAST_FLTR;
3619                         is_tx_fltr = true;
3620                 } else if (promisc_mask & ICE_PROMISC_MCAST_RX) {
3621                         promisc_mask &= ~ICE_PROMISC_MCAST_RX;
3622                         pkt_type = MCAST_FLTR;
3623                 } else if (promisc_mask & ICE_PROMISC_MCAST_TX) {
3624                         promisc_mask &= ~ICE_PROMISC_MCAST_TX;
3625                         pkt_type = MCAST_FLTR;
3626                         is_tx_fltr = true;
3627                 } else if (promisc_mask & ICE_PROMISC_BCAST_RX) {
3628                         promisc_mask &= ~ICE_PROMISC_BCAST_RX;
3629                         pkt_type = BCAST_FLTR;
3630                 } else if (promisc_mask & ICE_PROMISC_BCAST_TX) {
3631                         promisc_mask &= ~ICE_PROMISC_BCAST_TX;
3632                         pkt_type = BCAST_FLTR;
3633                         is_tx_fltr = true;
3634                 }
3635
3636                 /* Check for VLAN promiscuous flag */
3637                 if (promisc_mask & ICE_PROMISC_VLAN_RX) {
3638                         promisc_mask &= ~ICE_PROMISC_VLAN_RX;
3639                 } else if (promisc_mask & ICE_PROMISC_VLAN_TX) {
3640                         promisc_mask &= ~ICE_PROMISC_VLAN_TX;
3641                         is_tx_fltr = true;
3642                 }
3643
3644                 /* Set filter DA based on packet type */
3645                 mac_addr = new_fltr.l_data.mac.mac_addr;
3646                 if (pkt_type == BCAST_FLTR) {
3647                         ice_memset(mac_addr, 0xff, ETH_ALEN, ICE_NONDMA_MEM);
3648                 } else if (pkt_type == MCAST_FLTR ||
3649                            pkt_type == UCAST_FLTR) {
3650                         /* Use the dummy ether header DA */
3651                         ice_memcpy(mac_addr, dummy_eth_header, ETH_ALEN,
3652                                    ICE_NONDMA_TO_NONDMA);
3653                         if (pkt_type == MCAST_FLTR)
3654                                 mac_addr[0] |= 0x1;     /* Set multicast bit */
3655                 }
3656
3657                 /* Need to reset this to zero for all iterations */
3658                 new_fltr.flag = 0;
3659                 if (is_tx_fltr) {
3660                         new_fltr.flag |= ICE_FLTR_TX;
3661                         new_fltr.src = hw_vsi_id;
3662                 } else {
3663                         new_fltr.flag |= ICE_FLTR_RX;
3664                         new_fltr.src = hw->port_info->lport;
3665                 }
3666
3667                 new_fltr.fltr_act = ICE_FWD_TO_VSI;
3668                 new_fltr.vsi_handle = vsi_handle;
3669                 new_fltr.fwd_id.hw_vsi_id = hw_vsi_id;
3670                 f_list_entry.fltr_info = new_fltr;
3671
3672                 status = ice_add_rule_internal(hw, recipe_id, &f_list_entry);
3673                 if (status != ICE_SUCCESS)
3674                         goto set_promisc_exit;
3675         }
3676
3677 set_promisc_exit:
3678         return status;
3679 }
3680
3681 /**
3682  * ice_set_vlan_vsi_promisc
3683  * @hw: pointer to the hardware structure
3684  * @vsi_handle: VSI handle to configure
3685  * @promisc_mask: mask of promiscuous config bits
3686  * @rm_vlan_promisc: Clear VLANs VSI promisc mode
3687  *
3688  * Configure VSI with all associated VLANs to given promiscuous mode(s)
3689  */
3690 enum ice_status
3691 ice_set_vlan_vsi_promisc(struct ice_hw *hw, u16 vsi_handle, u8 promisc_mask,
3692                          bool rm_vlan_promisc)
3693 {
3694         struct ice_switch_info *sw = hw->switch_info;
3695         struct ice_fltr_list_entry *list_itr, *tmp;
3696         struct LIST_HEAD_TYPE vsi_list_head;
3697         struct LIST_HEAD_TYPE *vlan_head;
3698         struct ice_lock *vlan_lock; /* Lock to protect filter rule list */
3699         enum ice_status status;
3700         u16 vlan_id;
3701
3702         INIT_LIST_HEAD(&vsi_list_head);
3703         vlan_lock = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rule_lock;
3704         vlan_head = &sw->recp_list[ICE_SW_LKUP_VLAN].filt_rules;
3705         ice_acquire_lock(vlan_lock);
3706         status = ice_add_to_vsi_fltr_list(hw, vsi_handle, vlan_head,
3707                                           &vsi_list_head);
3708         ice_release_lock(vlan_lock);
3709         if (status)
3710                 goto free_fltr_list;
3711
3712         LIST_FOR_EACH_ENTRY(list_itr, &vsi_list_head, ice_fltr_list_entry,
3713                             list_entry) {
3714                 vlan_id = list_itr->fltr_info.l_data.vlan.vlan_id;
3715                 if (rm_vlan_promisc)
3716                         status = ice_clear_vsi_promisc(hw, vsi_handle,
3717                                                        promisc_mask, vlan_id);
3718                 else
3719                         status = ice_set_vsi_promisc(hw, vsi_handle,
3720                                                      promisc_mask, vlan_id);
3721                 if (status)
3722                         break;
3723         }
3724
3725 free_fltr_list:
3726         LIST_FOR_EACH_ENTRY_SAFE(list_itr, tmp, &vsi_list_head,
3727                                  ice_fltr_list_entry, list_entry) {
3728                 LIST_DEL(&list_itr->list_entry);
3729                 ice_free(hw, list_itr);
3730         }
3731         return status;
3732 }
3733
3734 /**
3735  * ice_remove_vsi_lkup_fltr - Remove lookup type filters for a VSI
3736  * @hw: pointer to the hardware structure
3737  * @vsi_handle: VSI handle to remove filters from
3738  * @lkup: switch rule filter lookup type
3739  */
3740 static void
3741 ice_remove_vsi_lkup_fltr(struct ice_hw *hw, u16 vsi_handle,
3742                          enum ice_sw_lkup_type lkup)
3743 {
3744         struct ice_switch_info *sw = hw->switch_info;
3745         struct ice_fltr_list_entry *fm_entry;
3746         struct LIST_HEAD_TYPE remove_list_head;
3747         struct LIST_HEAD_TYPE *rule_head;
3748         struct ice_fltr_list_entry *tmp;
3749         struct ice_lock *rule_lock;     /* Lock to protect filter rule list */
3750         enum ice_status status;
3751
3752         INIT_LIST_HEAD(&remove_list_head);
3753         rule_lock = &sw->recp_list[lkup].filt_rule_lock;
3754         rule_head = &sw->recp_list[lkup].filt_rules;
3755         ice_acquire_lock(rule_lock);
3756         status = ice_add_to_vsi_fltr_list(hw, vsi_handle, rule_head,
3757                                           &remove_list_head);
3758         ice_release_lock(rule_lock);
3759         if (status)
3760                 return;
3761
3762         switch (lkup) {
3763         case ICE_SW_LKUP_MAC:
3764                 ice_remove_mac(hw, &remove_list_head);
3765                 break;
3766         case ICE_SW_LKUP_VLAN:
3767                 ice_remove_vlan(hw, &remove_list_head);
3768                 break;
3769         case ICE_SW_LKUP_PROMISC:
3770         case ICE_SW_LKUP_PROMISC_VLAN:
3771                 ice_remove_promisc(hw, lkup, &remove_list_head);
3772                 break;
3773         case ICE_SW_LKUP_MAC_VLAN:
3774 #ifndef NO_MACVLAN_SUPPORT
3775                 ice_remove_mac_vlan(hw, &remove_list_head);
3776 #else
3777                 ice_debug(hw, ICE_DBG_SW, "MAC VLAN look up is not supported yet\n");
3778 #endif /* !NO_MACVLAN_SUPPORT */
3779                 break;
3780         case ICE_SW_LKUP_ETHERTYPE:
3781         case ICE_SW_LKUP_ETHERTYPE_MAC:
3782                 ice_remove_eth_mac(hw, &remove_list_head);
3783                 break;
3784         case ICE_SW_LKUP_DFLT:
3785                 ice_debug(hw, ICE_DBG_SW,
3786                           "Remove filters for this lookup type hasn't been implemented yet\n");
3787                 break;
3788         case ICE_SW_LKUP_LAST:
3789                 ice_debug(hw, ICE_DBG_SW, "Unsupported lookup type\n");
3790                 break;
3791         }
3792
3793         LIST_FOR_EACH_ENTRY_SAFE(fm_entry, tmp, &remove_list_head,
3794                                  ice_fltr_list_entry, list_entry) {
3795                 LIST_DEL(&fm_entry->list_entry);
3796                 ice_free(hw, fm_entry);
3797         }
3798 }
3799
3800 /**
3801  * ice_remove_vsi_fltr - Remove all filters for a VSI
3802  * @hw: pointer to the hardware structure
3803  * @vsi_handle: VSI handle to remove filters from
3804  */
3805 void ice_remove_vsi_fltr(struct ice_hw *hw, u16 vsi_handle)
3806 {
3807         ice_debug(hw, ICE_DBG_TRACE, "ice_remove_vsi_fltr\n");
3808
3809         ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_MAC);
3810         ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_MAC_VLAN);
3811         ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_PROMISC);
3812         ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_VLAN);
3813         ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_DFLT);
3814         ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_ETHERTYPE);
3815         ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_ETHERTYPE_MAC);
3816         ice_remove_vsi_lkup_fltr(hw, vsi_handle, ICE_SW_LKUP_PROMISC_VLAN);
3817 }
3818
3819 /**
3820  * ice_alloc_res_cntr - allocating resource counter
3821  * @hw: pointer to the hardware structure
3822  * @type: type of resource
3823  * @alloc_shared: if set it is shared else dedicated
3824  * @num_items: number of entries requested for FD resource type
3825  * @counter_id: counter index returned by AQ call
3826  */
3827 enum ice_status
3828 ice_alloc_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
3829                    u16 *counter_id)
3830 {
3831         struct ice_aqc_alloc_free_res_elem *buf;
3832         enum ice_status status;
3833         u16 buf_len;
3834
3835         /* Allocate resource */
3836         buf_len = sizeof(*buf);
3837         buf = (struct ice_aqc_alloc_free_res_elem *)
3838                 ice_malloc(hw, buf_len);
3839         if (!buf)
3840                 return ICE_ERR_NO_MEMORY;
3841
3842         buf->num_elems = CPU_TO_LE16(num_items);
3843         buf->res_type = CPU_TO_LE16(((type << ICE_AQC_RES_TYPE_S) &
3844                                       ICE_AQC_RES_TYPE_M) | alloc_shared);
3845
3846         status = ice_aq_alloc_free_res(hw, 1, buf, buf_len,
3847                                        ice_aqc_opc_alloc_res, NULL);
3848         if (status)
3849                 goto exit;
3850
3851         *counter_id = LE16_TO_CPU(buf->elem[0].e.sw_resp);
3852
3853 exit:
3854         ice_free(hw, buf);
3855         return status;
3856 }
3857
3858 /**
3859  * ice_free_res_cntr - free resource counter
3860  * @hw: pointer to the hardware structure
3861  * @type: type of resource
3862  * @alloc_shared: if set it is shared else dedicated
3863  * @num_items: number of entries to be freed for FD resource type
3864  * @counter_id: counter ID resource which needs to be freed
3865  */
3866 enum ice_status
3867 ice_free_res_cntr(struct ice_hw *hw, u8 type, u8 alloc_shared, u16 num_items,
3868                   u16 counter_id)
3869 {
3870         struct ice_aqc_alloc_free_res_elem *buf;
3871         enum ice_status status;
3872         u16 buf_len;
3873
3874         /* Free resource */
3875         buf_len = sizeof(*buf);
3876         buf = (struct ice_aqc_alloc_free_res_elem *)
3877                 ice_malloc(hw, buf_len);
3878         if (!buf)
3879                 return ICE_ERR_NO_MEMORY;
3880
3881         buf->num_elems = CPU_TO_LE16(num_items);
3882         buf->res_type = CPU_TO_LE16(((type << ICE_AQC_RES_TYPE_S) &
3883                                       ICE_AQC_RES_TYPE_M) | alloc_shared);
3884         buf->elem[0].e.sw_resp = CPU_TO_LE16(counter_id);
3885
3886         status = ice_aq_alloc_free_res(hw, 1, buf, buf_len,
3887                                        ice_aqc_opc_free_res, NULL);
3888         if (status)
3889                 ice_debug(hw, ICE_DBG_SW,
3890                           "counter resource could not be freed\n");
3891
3892         ice_free(hw, buf);
3893         return status;
3894 }
3895
3896 /**
3897  * ice_alloc_vlan_res_counter - obtain counter resource for VLAN type
3898  * @hw: pointer to the hardware structure
3899  * @counter_id: returns counter index
3900  */
3901 enum ice_status ice_alloc_vlan_res_counter(struct ice_hw *hw, u16 *counter_id)
3902 {
3903         return ice_alloc_res_cntr(hw, ICE_AQC_RES_TYPE_VLAN_COUNTER,
3904                                   ICE_AQC_RES_TYPE_FLAG_DEDICATED, 1,
3905                                   counter_id);
3906 }
3907
3908 /**
3909  * ice_free_vlan_res_counter - Free counter resource for VLAN type
3910  * @hw: pointer to the hardware structure
3911  * @counter_id: counter index to be freed
3912  */
3913 enum ice_status ice_free_vlan_res_counter(struct ice_hw *hw, u16 counter_id)
3914 {
3915         return ice_free_res_cntr(hw, ICE_AQC_RES_TYPE_VLAN_COUNTER,
3916                                  ICE_AQC_RES_TYPE_FLAG_DEDICATED, 1,
3917                                  counter_id);
3918 }
3919
3920 /**
3921  * ice_alloc_res_lg_act - add large action resource
3922  * @hw: pointer to the hardware structure
3923  * @l_id: large action ID to fill it in
3924  * @num_acts: number of actions to hold with a large action entry
3925  */
3926 static enum ice_status
3927 ice_alloc_res_lg_act(struct ice_hw *hw, u16 *l_id, u16 num_acts)
3928 {
3929         struct ice_aqc_alloc_free_res_elem *sw_buf;
3930         enum ice_status status;
3931         u16 buf_len;
3932
3933         if (num_acts > ICE_MAX_LG_ACT || num_acts == 0)
3934                 return ICE_ERR_PARAM;
3935
3936         /* Allocate resource for large action */
3937         buf_len = sizeof(*sw_buf);
3938         sw_buf = (struct ice_aqc_alloc_free_res_elem *)
3939                 ice_malloc(hw, buf_len);
3940         if (!sw_buf)
3941                 return ICE_ERR_NO_MEMORY;
3942
3943         sw_buf->num_elems = CPU_TO_LE16(1);
3944
3945         /* If num_acts is 1, use ICE_AQC_RES_TYPE_WIDE_TABLE_1.
3946          * If num_acts is 2, use ICE_AQC_RES_TYPE_WIDE_TABLE_3.
3947          * If num_acts is greater than 2, then use
3948          * ICE_AQC_RES_TYPE_WIDE_TABLE_4.
3949          * The num_acts cannot exceed 4. This was ensured at the
3950          * beginning of the function.
3951          */
3952         if (num_acts == 1)
3953                 sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_WIDE_TABLE_1);
3954         else if (num_acts == 2)
3955                 sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_WIDE_TABLE_2);
3956         else
3957                 sw_buf->res_type = CPU_TO_LE16(ICE_AQC_RES_TYPE_WIDE_TABLE_4);
3958
3959         status = ice_aq_alloc_free_res(hw, 1, sw_buf, buf_len,
3960                                        ice_aqc_opc_alloc_res, NULL);
3961         if (!status)
3962                 *l_id = LE16_TO_CPU(sw_buf->elem[0].e.sw_resp);
3963
3964         ice_free(hw, sw_buf);
3965         return status;
3966 }
3967
3968 /**
3969  * ice_add_mac_with_sw_marker - add filter with sw marker
3970  * @hw: pointer to the hardware structure
3971  * @f_info: filter info structure containing the MAC filter information
3972  * @sw_marker: sw marker to tag the Rx descriptor with
3973  */
3974 enum ice_status
3975 ice_add_mac_with_sw_marker(struct ice_hw *hw, struct ice_fltr_info *f_info,
3976                            u16 sw_marker)
3977 {
3978         struct ice_switch_info *sw = hw->switch_info;
3979         struct ice_fltr_mgmt_list_entry *m_entry;
3980         struct ice_fltr_list_entry fl_info;
3981         struct LIST_HEAD_TYPE l_head;
3982         struct ice_lock *rule_lock;     /* Lock to protect filter rule list */
3983         enum ice_status ret;
3984         bool entry_exists;
3985         u16 lg_act_id;
3986
3987         if (f_info->fltr_act != ICE_FWD_TO_VSI)
3988                 return ICE_ERR_PARAM;
3989
3990         if (f_info->lkup_type != ICE_SW_LKUP_MAC)
3991                 return ICE_ERR_PARAM;
3992
3993         if (sw_marker == ICE_INVAL_SW_MARKER_ID)
3994                 return ICE_ERR_PARAM;
3995
3996         if (!ice_is_vsi_valid(hw, f_info->vsi_handle))
3997                 return ICE_ERR_PARAM;
3998         f_info->fwd_id.hw_vsi_id = ice_get_hw_vsi_num(hw, f_info->vsi_handle);
3999
4000         /* Add filter if it doesn't exist so then the adding of large
4001          * action always results in update
4002          */
4003
4004         INIT_LIST_HEAD(&l_head);
4005         fl_info.fltr_info = *f_info;
4006         LIST_ADD(&fl_info.list_entry, &l_head);
4007
4008         entry_exists = false;
4009         ret = ice_add_mac(hw, &l_head);
4010         if (ret == ICE_ERR_ALREADY_EXISTS)
4011                 entry_exists = true;
4012         else if (ret)
4013                 return ret;
4014
4015         rule_lock = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rule_lock;
4016         ice_acquire_lock(rule_lock);
4017         /* Get the book keeping entry for the filter */
4018         m_entry = ice_find_rule_entry(hw, ICE_SW_LKUP_MAC, f_info);
4019         if (!m_entry)
4020                 goto exit_error;
4021
4022         /* If counter action was enabled for this rule then don't enable
4023          * sw marker large action
4024          */
4025         if (m_entry->counter_index != ICE_INVAL_COUNTER_ID) {
4026                 ret = ICE_ERR_PARAM;
4027                 goto exit_error;
4028         }
4029
4030         /* if same marker was added before */
4031         if (m_entry->sw_marker_id == sw_marker) {
4032                 ret = ICE_ERR_ALREADY_EXISTS;
4033                 goto exit_error;
4034         }
4035
4036         /* Allocate a hardware table entry to hold large act. Three actions
4037          * for marker based large action
4038          */
4039         ret = ice_alloc_res_lg_act(hw, &lg_act_id, 3);
4040         if (ret)
4041                 goto exit_error;
4042
4043         if (lg_act_id == ICE_INVAL_LG_ACT_INDEX)
4044                 goto exit_error;
4045
4046         /* Update the switch rule to add the marker action */
4047         ret = ice_add_marker_act(hw, m_entry, sw_marker, lg_act_id);
4048         if (!ret) {
4049                 ice_release_lock(rule_lock);
4050                 return ret;
4051         }
4052
4053 exit_error:
4054         ice_release_lock(rule_lock);
4055         /* only remove entry if it did not exist previously */
4056         if (!entry_exists)
4057                 ret = ice_remove_mac(hw, &l_head);
4058
4059         return ret;
4060 }
4061
4062 /**
4063  * ice_add_mac_with_counter - add filter with counter enabled
4064  * @hw: pointer to the hardware structure
4065  * @f_info: pointer to filter info structure containing the MAC filter
4066  *          information
4067  */
4068 enum ice_status
4069 ice_add_mac_with_counter(struct ice_hw *hw, struct ice_fltr_info *f_info)
4070 {
4071         struct ice_switch_info *sw = hw->switch_info;
4072         struct ice_fltr_mgmt_list_entry *m_entry;
4073         struct ice_fltr_list_entry fl_info;
4074         struct LIST_HEAD_TYPE l_head;
4075         struct ice_lock *rule_lock;     /* Lock to protect filter rule list */
4076         enum ice_status ret;
4077         bool entry_exist;
4078         u16 counter_id;
4079         u16 lg_act_id;
4080
4081         if (f_info->fltr_act != ICE_FWD_TO_VSI)
4082                 return ICE_ERR_PARAM;
4083
4084         if (f_info->lkup_type != ICE_SW_LKUP_MAC)
4085                 return ICE_ERR_PARAM;
4086
4087         if (!ice_is_vsi_valid(hw, f_info->vsi_handle))
4088                 return ICE_ERR_PARAM;
4089         f_info->fwd_id.hw_vsi_id = ice_get_hw_vsi_num(hw, f_info->vsi_handle);
4090
4091         entry_exist = false;
4092
4093         rule_lock = &sw->recp_list[ICE_SW_LKUP_MAC].filt_rule_lock;
4094
4095         /* Add filter if it doesn't exist so then the adding of large
4096          * action always results in update
4097          */
4098         INIT_LIST_HEAD(&l_head);
4099
4100         fl_info.fltr_info = *f_info;
4101         LIST_ADD(&fl_info.list_entry, &l_head);
4102
4103         ret = ice_add_mac(hw, &l_head);
4104         if (ret == ICE_ERR_ALREADY_EXISTS)
4105                 entry_exist = true;
4106         else if (ret)
4107                 return ret;
4108
4109         ice_acquire_lock(rule_lock);
4110         m_entry = ice_find_rule_entry(hw, ICE_SW_LKUP_MAC, f_info);
4111         if (!m_entry) {
4112                 ret = ICE_ERR_BAD_PTR;
4113                 goto exit_error;
4114         }
4115
4116         /* Don't enable counter for a filter for which sw marker was enabled */
4117         if (m_entry->sw_marker_id != ICE_INVAL_SW_MARKER_ID) {
4118                 ret = ICE_ERR_PARAM;
4119                 goto exit_error;
4120         }
4121
4122         /* If a counter was already enabled then don't need to add again */
4123         if (m_entry->counter_index != ICE_INVAL_COUNTER_ID) {
4124                 ret = ICE_ERR_ALREADY_EXISTS;
4125                 goto exit_error;
4126         }
4127
4128         /* Allocate a hardware table entry to VLAN counter */
4129         ret = ice_alloc_vlan_res_counter(hw, &counter_id);
4130         if (ret)
4131                 goto exit_error;
4132
4133         /* Allocate a hardware table entry to hold large act. Two actions for
4134          * counter based large action
4135          */
4136         ret = ice_alloc_res_lg_act(hw, &lg_act_id, 2);
4137         if (ret)
4138                 goto exit_error;
4139
4140         if (lg_act_id == ICE_INVAL_LG_ACT_INDEX)
4141                 goto exit_error;
4142
4143         /* Update the switch rule to add the counter action */
4144         ret = ice_add_counter_act(hw, m_entry, counter_id, lg_act_id);
4145         if (!ret) {
4146                 ice_release_lock(rule_lock);
4147                 return ret;
4148         }
4149
4150 exit_error:
4151         ice_release_lock(rule_lock);
4152         /* only remove entry if it did not exist previously */
4153         if (!entry_exist)
4154                 ret = ice_remove_mac(hw, &l_head);
4155
4156         return ret;
4157 }
4158
4159 /* This is mapping table entry that maps every word within a given protocol
4160  * structure to the real byte offset as per the specification of that
4161  * protocol header.
4162  * for example dst address is 3 words in ethertype header and corresponding
4163  * bytes are 0, 2, 3 in the actual packet header and src address is at 4, 6, 8
4164  * IMPORTANT: Every structure part of "ice_prot_hdr" union should have a
4165  * matching entry describing its field. This needs to be updated if new
4166  * structure is added to that union.
4167  */
4168 static const struct ice_prot_ext_tbl_entry ice_prot_ext[] = {
4169         { ICE_MAC_OFOS,         { 0, 2, 4, 6, 8, 10, 12 } },
4170         { ICE_MAC_IL,           { 0, 2, 4, 6, 8, 10, 12 } },
4171         { ICE_IPV4_OFOS,        { 0, 2, 4, 6, 8, 10, 12, 14, 16, 18 } },
4172         { ICE_IPV4_IL,          { 0, 2, 4, 6, 8, 10, 12, 14, 16, 18 } },
4173         { ICE_IPV6_IL,          { 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24,
4174                                  26, 28, 30, 32, 34, 36, 38 } },
4175         { ICE_IPV6_OFOS,        { 0, 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24,
4176                                  26, 28, 30, 32, 34, 36, 38 } },
4177         { ICE_TCP_IL,           { 0, 2 } },
4178         { ICE_UDP_ILOS,         { 0, 2 } },
4179         { ICE_SCTP_IL,          { 0, 2 } },
4180         { ICE_VXLAN,            { 8, 10, 12 } },
4181         { ICE_GENEVE,           { 8, 10, 12 } },
4182         { ICE_VXLAN_GPE,        { 0, 2, 4 } },
4183         { ICE_NVGRE,            { 0, 2 } },
4184         { ICE_PROTOCOL_LAST,    { 0 } }
4185 };
4186
4187 /* The following table describes preferred grouping of recipes.
4188  * If a recipe that needs to be programmed is a superset or matches one of the
4189  * following combinations, then the recipe needs to be chained as per the
4190  * following policy.
4191  */
4192 static const struct ice_pref_recipe_group ice_recipe_pack[] = {
4193         {3, { { ICE_MAC_OFOS_HW, 0, 0 }, { ICE_MAC_OFOS_HW, 2, 0 },
4194               { ICE_MAC_OFOS_HW, 4, 0 } } },
4195         {4, { { ICE_MAC_IL_HW, 0, 0 }, { ICE_MAC_IL_HW, 2, 0 },
4196               { ICE_MAC_IL_HW, 4, 0 }, { ICE_META_DATA_ID_HW, 44, 0 } } },
4197         {2, { { ICE_IPV4_IL_HW, 0, 0 }, { ICE_IPV4_IL_HW, 2, 0 } } },
4198         {2, { { ICE_IPV4_IL_HW, 12, 0 }, { ICE_IPV4_IL_HW, 14, 0 } } },
4199 };
4200
4201 static const struct ice_protocol_entry ice_prot_id_tbl[] = {
4202         { ICE_MAC_OFOS,         ICE_MAC_OFOS_HW },
4203         { ICE_MAC_IL,           ICE_MAC_IL_HW },
4204         { ICE_IPV4_OFOS,        ICE_IPV4_OFOS_HW },
4205         { ICE_IPV4_IL,          ICE_IPV4_IL_HW },
4206         { ICE_IPV6_OFOS,        ICE_IPV6_OFOS_HW },
4207         { ICE_IPV6_IL,          ICE_IPV6_IL_HW },
4208         { ICE_TCP_IL,           ICE_TCP_IL_HW },
4209         { ICE_UDP_ILOS,         ICE_UDP_ILOS_HW },
4210         { ICE_SCTP_IL,          ICE_SCTP_IL_HW },
4211         { ICE_VXLAN,            ICE_UDP_OF_HW },
4212         { ICE_GENEVE,           ICE_UDP_OF_HW },
4213         { ICE_VXLAN_GPE,        ICE_UDP_OF_HW },
4214         { ICE_NVGRE,            ICE_GRE_OF_HW },
4215         { ICE_PROTOCOL_LAST,    0 }
4216 };
4217
4218 /**
4219  * ice_find_recp - find a recipe
4220  * @hw: pointer to the hardware structure
4221  * @lkup_exts: extension sequence to match
4222  *
4223  * Returns index of matching recipe, or ICE_MAX_NUM_RECIPES if not found.
4224  */
4225 static u16 ice_find_recp(struct ice_hw *hw, struct ice_prot_lkup_ext *lkup_exts)
4226 {
4227         struct ice_sw_recipe *recp;
4228         u16 i;
4229
4230         ice_get_recp_to_prof_map(hw);
4231         /* Initialize available_result_ids which tracks available result idx */
4232         for (i = 0; i <= ICE_CHAIN_FV_INDEX_START; i++)
4233                 ice_set_bit(ICE_CHAIN_FV_INDEX_START - i,
4234                             available_result_ids);
4235
4236         /* Walk through existing recipes to find a match */
4237         recp = hw->switch_info->recp_list;
4238         for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
4239                 /* If recipe was not created for this ID, in SW bookkeeping,
4240                  * check if FW has an entry for this recipe. If the FW has an
4241                  * entry update it in our SW bookkeeping and continue with the
4242                  * matching.
4243                  */
4244                 if (!recp[i].recp_created)
4245                         if (ice_get_recp_frm_fw(hw,
4246                                                 hw->switch_info->recp_list, i))
4247                                 continue;
4248
4249                 /* if number of words we are looking for match */
4250                 if (lkup_exts->n_val_words == recp[i].lkup_exts.n_val_words) {
4251                         struct ice_fv_word *a = lkup_exts->fv_words;
4252                         struct ice_fv_word *b = recp[i].lkup_exts.fv_words;
4253                         bool found = true;
4254                         u8 p, q;
4255
4256                         for (p = 0; p < lkup_exts->n_val_words; p++) {
4257                                 for (q = 0; q < recp[i].lkup_exts.n_val_words;
4258                                      q++) {
4259                                         if (a[p].off == b[q].off &&
4260                                             a[p].prot_id == b[q].prot_id)
4261                                                 /* Found the "p"th word in the
4262                                                  * given recipe
4263                                                  */
4264                                                 break;
4265                                 }
4266                                 /* After walking through all the words in the
4267                                  * "i"th recipe if "p"th word was not found then
4268                                  * this recipe is not what we are looking for.
4269                                  * So break out from this loop and try the next
4270                                  * recipe
4271                                  */
4272                                 if (q >= recp[i].lkup_exts.n_val_words) {
4273                                         found = false;
4274                                         break;
4275                                 }
4276                         }
4277                         /* If for "i"th recipe the found was never set to false
4278                          * then it means we found our match
4279                          */
4280                         if (found)
4281                                 return i; /* Return the recipe ID */
4282                 }
4283         }
4284         return ICE_MAX_NUM_RECIPES;
4285 }
4286
4287 /**
4288  * ice_prot_type_to_id - get protocol ID from protocol type
4289  * @type: protocol type
4290  * @id: pointer to variable that will receive the ID
4291  *
4292  * Returns true if found, false otherwise
4293  */
4294 static bool ice_prot_type_to_id(enum ice_protocol_type type, u16 *id)
4295 {
4296         u16 i;
4297
4298         for (i = 0; ice_prot_id_tbl[i].type != ICE_PROTOCOL_LAST; i++)
4299                 if (ice_prot_id_tbl[i].type == type) {
4300                         *id = ice_prot_id_tbl[i].protocol_id;
4301                         return true;
4302                 }
4303         return false;
4304 }
4305
4306 /**
4307  * ice_find_valid_words - count valid words
4308  * @rule: advanced rule with lookup information
4309  * @lkup_exts: byte offset extractions of the words that are valid
4310  *
4311  * calculate valid words in a lookup rule using mask value
4312  */
4313 static u16
4314 ice_fill_valid_words(struct ice_adv_lkup_elem *rule,
4315                      struct ice_prot_lkup_ext *lkup_exts)
4316 {
4317         u16 j, word = 0;
4318         u16 prot_id;
4319         u16 ret_val;
4320
4321         if (!ice_prot_type_to_id(rule->type, &prot_id))
4322                 return 0;
4323
4324         word = lkup_exts->n_val_words;
4325
4326         for (j = 0; j < sizeof(rule->m_u) / sizeof(u16); j++)
4327                 if (((u16 *)&rule->m_u)[j] == 0xffff &&
4328                     rule->type < ARRAY_SIZE(ice_prot_ext)) {
4329                         /* No more space to accommodate */
4330                         if (word >= ICE_MAX_CHAIN_WORDS)
4331                                 return 0;
4332                         lkup_exts->fv_words[word].off =
4333                                 ice_prot_ext[rule->type].offs[j];
4334                         lkup_exts->fv_words[word].prot_id =
4335                                 ice_prot_id_tbl[rule->type].protocol_id;
4336                         word++;
4337                 }
4338
4339         ret_val = word - lkup_exts->n_val_words;
4340         lkup_exts->n_val_words = word;
4341
4342         return ret_val;
4343 }
4344
4345 /**
4346  * ice_find_prot_off_ind - check for specific ID and offset in rule
4347  * @lkup_exts: an array of protocol header extractions
4348  * @prot_type: protocol type to check
4349  * @off: expected offset of the extraction
4350  *
4351  * Check if the prot_ext has given protocol ID and offset
4352  */
4353 static u8
4354 ice_find_prot_off_ind(struct ice_prot_lkup_ext *lkup_exts, u8 prot_type,
4355                       u16 off)
4356 {
4357         u8 j;
4358
4359         for (j = 0; j < lkup_exts->n_val_words; j++)
4360                 if (lkup_exts->fv_words[j].off == off &&
4361                     lkup_exts->fv_words[j].prot_id == prot_type)
4362                         return j;
4363
4364         return ICE_MAX_CHAIN_WORDS;
4365 }
4366
4367 /**
4368  * ice_is_recipe_subset - check if recipe group policy is a subset of lookup
4369  * @lkup_exts: an array of protocol header extractions
4370  * @r_policy: preferred recipe grouping policy
4371  *
4372  * Helper function to check if given recipe group is subset we need to check if
4373  * all the words described by the given recipe group exist in the advanced rule
4374  * look up information
4375  */
4376 static bool
4377 ice_is_recipe_subset(struct ice_prot_lkup_ext *lkup_exts,
4378                      const struct ice_pref_recipe_group *r_policy)
4379 {
4380         u8 ind[ICE_NUM_WORDS_RECIPE];
4381         u8 count = 0;
4382         u8 i;
4383
4384         /* check if everything in the r_policy is part of the entire rule */
4385         for (i = 0; i < r_policy->n_val_pairs; i++) {
4386                 u8 j;
4387
4388                 j = ice_find_prot_off_ind(lkup_exts, r_policy->pairs[i].prot_id,
4389                                           r_policy->pairs[i].off);
4390                 if (j >= ICE_MAX_CHAIN_WORDS)
4391                         return false;
4392
4393                 /* store the indexes temporarily found by the find function
4394                  * this will be used to mark the words as 'done'
4395                  */
4396                 ind[count++] = j;
4397         }
4398
4399         /* If the entire policy recipe was a true match, then mark the fields
4400          * that are covered by the recipe as 'done' meaning that these words
4401          * will be clumped together in one recipe.
4402          * "Done" here means in our searching if certain recipe group
4403          * matches or is subset of the given rule, then we mark all
4404          * the corresponding offsets as found. So the remaining recipes should
4405          * be created with whatever words that were left.
4406          */
4407         for (i = 0; i < count; i++) {
4408                 u8 in = ind[i];
4409
4410                 ice_set_bit(in, lkup_exts->done);
4411         }
4412         return true;
4413 }
4414
4415 /**
4416  * ice_create_first_fit_recp_def - Create a recipe grouping
4417  * @hw: pointer to the hardware structure
4418  * @lkup_exts: an array of protocol header extractions
4419  * @rg_list: pointer to a list that stores new recipe groups
4420  * @recp_cnt: pointer to a variable that stores returned number of recipe groups
4421  *
4422  * Using first fit algorithm, take all the words that are still not done
4423  * and start grouping them in 4-word groups. Each group makes up one
4424  * recipe.
4425  */
4426 static enum ice_status
4427 ice_create_first_fit_recp_def(struct ice_hw *hw,
4428                               struct ice_prot_lkup_ext *lkup_exts,
4429                               struct LIST_HEAD_TYPE *rg_list,
4430                               u8 *recp_cnt)
4431 {
4432         struct ice_pref_recipe_group *grp = NULL;
4433         u8 j;
4434
4435         *recp_cnt = 0;
4436
4437         /* Walk through every word in the rule to check if it is not done. If so
4438          * then this word needs to be part of a new recipe.
4439          */
4440         for (j = 0; j < lkup_exts->n_val_words; j++)
4441                 if (!ice_is_bit_set(lkup_exts->done, j)) {
4442                         if (!grp ||
4443                             grp->n_val_pairs == ICE_NUM_WORDS_RECIPE) {
4444                                 struct ice_recp_grp_entry *entry;
4445
4446                                 entry = (struct ice_recp_grp_entry *)
4447                                         ice_malloc(hw, sizeof(*entry));
4448                                 if (!entry)
4449                                         return ICE_ERR_NO_MEMORY;
4450                                 LIST_ADD(&entry->l_entry, rg_list);
4451                                 grp = &entry->r_group;
4452                                 (*recp_cnt)++;
4453                         }
4454
4455                         grp->pairs[grp->n_val_pairs].prot_id =
4456                                 lkup_exts->fv_words[j].prot_id;
4457                         grp->pairs[grp->n_val_pairs].off =
4458                                 lkup_exts->fv_words[j].off;
4459                         grp->n_val_pairs++;
4460                 }
4461
4462         return ICE_SUCCESS;
4463 }
4464
4465 /**
4466  * ice_fill_fv_word_index - fill in the field vector indices for a recipe group
4467  * @hw: pointer to the hardware structure
4468  * @fv_list: field vector with the extraction sequence information
4469  * @rg_list: recipe groupings with protocol-offset pairs
4470  *
4471  * Helper function to fill in the field vector indices for protocol-offset
4472  * pairs. These indexes are then ultimately programmed into a recipe.
4473  */
4474 static void
4475 ice_fill_fv_word_index(struct ice_hw *hw, struct LIST_HEAD_TYPE *fv_list,
4476                        struct LIST_HEAD_TYPE *rg_list)
4477 {
4478         struct ice_sw_fv_list_entry *fv;
4479         struct ice_recp_grp_entry *rg;
4480         struct ice_fv_word *fv_ext;
4481
4482         if (LIST_EMPTY(fv_list))
4483                 return;
4484
4485         fv = LIST_FIRST_ENTRY(fv_list, struct ice_sw_fv_list_entry, list_entry);
4486         fv_ext = fv->fv_ptr->ew;
4487
4488         LIST_FOR_EACH_ENTRY(rg, rg_list, ice_recp_grp_entry, l_entry) {
4489                 u8 i;
4490
4491                 for (i = 0; i < rg->r_group.n_val_pairs; i++) {
4492                         struct ice_fv_word *pr;
4493                         u8 j;
4494
4495                         pr = &rg->r_group.pairs[i];
4496                         for (j = 0; j < hw->blk[ICE_BLK_SW].es.fvw; j++)
4497                                 if (fv_ext[j].prot_id == pr->prot_id &&
4498                                     fv_ext[j].off == pr->off) {
4499                                         /* Store index of field vector */
4500                                         rg->fv_idx[i] = j;
4501                                         break;
4502                                 }
4503                 }
4504         }
4505 }
4506
4507 /**
4508  * ice_add_sw_recipe - function to call AQ calls to create switch recipe
4509  * @hw: pointer to hardware structure
4510  * @rm: recipe management list entry
4511  * @match_tun: if field vector index for tunnel needs to be programmed
4512  */
4513 static enum ice_status
4514 ice_add_sw_recipe(struct ice_hw *hw, struct ice_sw_recipe *rm,
4515                   bool match_tun)
4516 {
4517         struct ice_aqc_recipe_data_elem *tmp;
4518         struct ice_aqc_recipe_data_elem *buf;
4519         struct ice_recp_grp_entry *entry;
4520         enum ice_status status;
4521         u16 recipe_count;
4522         u8 chain_idx;
4523         u8 recps = 0;
4524
4525         /* When more than one recipe are required, another recipe is needed to
4526          * chain them together. Matching a tunnel metadata ID takes up one of
4527          * the match fields in the chaining recipe reducing the number of
4528          * chained recipes by one.
4529          */
4530         if (rm->n_grp_count > 1)
4531                 rm->n_grp_count++;
4532         if (rm->n_grp_count > ICE_MAX_CHAIN_RECIPE ||
4533             (match_tun && rm->n_grp_count > (ICE_MAX_CHAIN_RECIPE - 1)))
4534                 return ICE_ERR_MAX_LIMIT;
4535
4536         tmp = (struct ice_aqc_recipe_data_elem *)ice_calloc(hw,
4537                                                             ICE_MAX_NUM_RECIPES,
4538                                                             sizeof(*tmp));
4539         if (!tmp)
4540                 return ICE_ERR_NO_MEMORY;
4541
4542         buf = (struct ice_aqc_recipe_data_elem *)
4543                 ice_calloc(hw, rm->n_grp_count, sizeof(*buf));
4544         if (!buf) {
4545                 status = ICE_ERR_NO_MEMORY;
4546                 goto err_mem;
4547         }
4548
4549         ice_zero_bitmap(rm->r_bitmap, ICE_MAX_NUM_RECIPES);
4550         recipe_count = ICE_MAX_NUM_RECIPES;
4551         status = ice_aq_get_recipe(hw, tmp, &recipe_count, ICE_SW_LKUP_MAC,
4552                                    NULL);
4553         if (status || recipe_count == 0)
4554                 goto err_unroll;
4555
4556         /* Allocate the recipe resources, and configure them according to the
4557          * match fields from protocol headers and extracted field vectors.
4558          */
4559         chain_idx = ICE_CHAIN_FV_INDEX_START -
4560                 ice_find_first_bit(available_result_ids,
4561                                    ICE_CHAIN_FV_INDEX_START + 1);
4562         LIST_FOR_EACH_ENTRY(entry, &rm->rg_list, ice_recp_grp_entry, l_entry) {
4563                 u8 i;
4564
4565                 status = ice_alloc_recipe(hw, &entry->rid);
4566                 if (status)
4567                         goto err_unroll;
4568
4569                 /* Clear the result index of the located recipe, as this will be
4570                  * updated, if needed, later in the recipe creation process.
4571                  */
4572                 tmp[0].content.result_indx = 0;
4573
4574                 buf[recps] = tmp[0];
4575                 buf[recps].recipe_indx = (u8)entry->rid;
4576                 /* if the recipe is a non-root recipe RID should be programmed
4577                  * as 0 for the rules to be applied correctly.
4578                  */
4579                 buf[recps].content.rid = 0;
4580                 ice_memset(&buf[recps].content.lkup_indx, 0,
4581                            sizeof(buf[recps].content.lkup_indx),
4582                            ICE_NONDMA_MEM);
4583
4584                 /* All recipes use look-up index 0 to match switch ID. */
4585                 buf[recps].content.lkup_indx[0] = ICE_AQ_SW_ID_LKUP_IDX;
4586                 buf[recps].content.mask[0] =
4587                         CPU_TO_LE16(ICE_AQ_SW_ID_LKUP_MASK);
4588                 /* Setup lkup_indx 1..4 to INVALID/ignore and set the mask
4589                  * to be 0
4590                  */
4591                 for (i = 1; i <= ICE_NUM_WORDS_RECIPE; i++) {
4592                         buf[recps].content.lkup_indx[i] = 0x80;
4593                         buf[recps].content.mask[i] = 0;
4594                 }
4595
4596                 for (i = 0; i < entry->r_group.n_val_pairs; i++) {
4597                         buf[recps].content.lkup_indx[i + 1] = entry->fv_idx[i];
4598                         buf[recps].content.mask[i + 1] = CPU_TO_LE16(0xFFFF);
4599                 }
4600
4601                 if (rm->n_grp_count > 1) {
4602                         entry->chain_idx = chain_idx;
4603                         buf[recps].content.result_indx =
4604                                 ICE_AQ_RECIPE_RESULT_EN |
4605                                 ((chain_idx << ICE_AQ_RECIPE_RESULT_DATA_S) &
4606                                  ICE_AQ_RECIPE_RESULT_DATA_M);
4607                         ice_clear_bit(ICE_CHAIN_FV_INDEX_START - chain_idx,
4608                                       available_result_ids);
4609                         chain_idx = ICE_CHAIN_FV_INDEX_START -
4610                                 ice_find_first_bit(available_result_ids,
4611                                                    ICE_CHAIN_FV_INDEX_START +
4612                                                    1);
4613                 }
4614
4615                 /* fill recipe dependencies */
4616                 ice_zero_bitmap((ice_bitmap_t *)buf[recps].recipe_bitmap,
4617                                 ICE_MAX_NUM_RECIPES);
4618                 ice_set_bit(buf[recps].recipe_indx,
4619                             (ice_bitmap_t *)buf[recps].recipe_bitmap);
4620                 buf[recps].content.act_ctrl_fwd_priority = rm->priority;
4621                 recps++;
4622         }
4623
4624         if (rm->n_grp_count == 1) {
4625                 rm->root_rid = buf[0].recipe_indx;
4626                 ice_set_bit(buf[0].recipe_indx, rm->r_bitmap);
4627                 buf[0].content.rid = rm->root_rid | ICE_AQ_RECIPE_ID_IS_ROOT;
4628                 if (sizeof(buf[0].recipe_bitmap) >= sizeof(rm->r_bitmap)) {
4629                         ice_memcpy(buf[0].recipe_bitmap, rm->r_bitmap,
4630                                    sizeof(buf[0].recipe_bitmap),
4631                                    ICE_NONDMA_TO_NONDMA);
4632                 } else {
4633                         status = ICE_ERR_BAD_PTR;
4634                         goto err_unroll;
4635                 }
4636                 /* Applicable only for ROOT_RECIPE, set the fwd_priority for
4637                  * the recipe which is getting created if specified
4638                  * by user. Usually any advanced switch filter, which results
4639                  * into new extraction sequence, ended up creating a new recipe
4640                  * of type ROOT and usually recipes are associated with profiles
4641                  * Switch rule referreing newly created recipe, needs to have
4642                  * either/or 'fwd' or 'join' priority, otherwise switch rule
4643                  * evaluation will not happen correctly. In other words, if
4644                  * switch rule to be evaluated on priority basis, then recipe
4645                  * needs to have priority, otherwise it will be evaluated last.
4646                  */
4647                 buf[0].content.act_ctrl_fwd_priority = rm->priority;
4648         } else {
4649                 struct ice_recp_grp_entry *last_chain_entry;
4650                 u16 rid, i;
4651
4652                 /* Allocate the last recipe that will chain the outcomes of the
4653                  * other recipes together
4654                  */
4655                 status = ice_alloc_recipe(hw, &rid);
4656                 if (status)
4657                         goto err_unroll;
4658
4659                 buf[recps].recipe_indx = (u8)rid;
4660                 buf[recps].content.rid = (u8)rid;
4661                 buf[recps].content.rid |= ICE_AQ_RECIPE_ID_IS_ROOT;
4662                 /* the new entry created should also be part of rg_list to
4663                  * make sure we have complete recipe
4664                  */
4665                 last_chain_entry = (struct ice_recp_grp_entry *)ice_malloc(hw,
4666                         sizeof(*last_chain_entry));
4667                 if (!last_chain_entry) {
4668                         status = ICE_ERR_NO_MEMORY;
4669                         goto err_unroll;
4670                 }
4671                 last_chain_entry->rid = rid;
4672                 ice_memset(&buf[recps].content.lkup_indx, 0,
4673                            sizeof(buf[recps].content.lkup_indx),
4674                            ICE_NONDMA_MEM);
4675                 /* All recipes use look-up index 0 to match switch ID. */
4676                 buf[recps].content.lkup_indx[0] = ICE_AQ_SW_ID_LKUP_IDX;
4677                 buf[recps].content.mask[0] =
4678                         CPU_TO_LE16(ICE_AQ_SW_ID_LKUP_MASK);
4679                 for (i = 1; i <= ICE_NUM_WORDS_RECIPE; i++) {
4680                         buf[recps].content.lkup_indx[i] =
4681                                 ICE_AQ_RECIPE_LKUP_IGNORE;
4682                         buf[recps].content.mask[i] = 0;
4683                 }
4684
4685                 i = 1;
4686                 /* update r_bitmap with the recp that is used for chaining */
4687                 ice_set_bit(rid, rm->r_bitmap);
4688                 /* this is the recipe that chains all the other recipes so it
4689                  * should not have a chaining ID to indicate the same
4690                  */
4691                 last_chain_entry->chain_idx = ICE_INVAL_CHAIN_IND;
4692                 LIST_FOR_EACH_ENTRY(entry, &rm->rg_list, ice_recp_grp_entry,
4693                                     l_entry) {
4694                         last_chain_entry->fv_idx[i] = entry->chain_idx;
4695                         buf[recps].content.lkup_indx[i] = entry->chain_idx;
4696                         buf[recps].content.mask[i++] = CPU_TO_LE16(0xFFFF);
4697                         ice_set_bit(entry->rid, rm->r_bitmap);
4698                 }
4699                 LIST_ADD(&last_chain_entry->l_entry, &rm->rg_list);
4700                 if (sizeof(buf[recps].recipe_bitmap) >=
4701                     sizeof(rm->r_bitmap)) {
4702                         ice_memcpy(buf[recps].recipe_bitmap, rm->r_bitmap,
4703                                    sizeof(buf[recps].recipe_bitmap),
4704                                    ICE_NONDMA_TO_NONDMA);
4705                 } else {
4706                         status = ICE_ERR_BAD_PTR;
4707                         goto err_unroll;
4708                 }
4709                 buf[recps].content.act_ctrl_fwd_priority = rm->priority;
4710
4711                 /* To differentiate among different UDP tunnels, a meta data ID
4712                  * flag is used.
4713                  */
4714                 if (match_tun) {
4715                         buf[recps].content.lkup_indx[i] = ICE_TUN_FLAG_FV_IND;
4716                         buf[recps].content.mask[i] =
4717                                 CPU_TO_LE16(ICE_TUN_FLAG_MASK);
4718                 }
4719
4720                 recps++;
4721                 rm->root_rid = (u8)rid;
4722         }
4723         status = ice_acquire_change_lock(hw, ICE_RES_WRITE);
4724         if (status)
4725                 goto err_unroll;
4726
4727         status = ice_aq_add_recipe(hw, buf, rm->n_grp_count, NULL);
4728         ice_release_change_lock(hw);
4729         if (status)
4730                 goto err_unroll;
4731
4732         /* Every recipe that just got created add it to the recipe
4733          * book keeping list
4734          */
4735         LIST_FOR_EACH_ENTRY(entry, &rm->rg_list, ice_recp_grp_entry, l_entry) {
4736                 struct ice_switch_info *sw = hw->switch_info;
4737                 struct ice_sw_recipe *recp;
4738
4739                 recp = &sw->recp_list[entry->rid];
4740                 recp->root_rid = entry->rid;
4741                 ice_memcpy(&recp->ext_words, entry->r_group.pairs,
4742                            entry->r_group.n_val_pairs *
4743                            sizeof(struct ice_fv_word),
4744                            ICE_NONDMA_TO_NONDMA);
4745
4746                 recp->n_ext_words = entry->r_group.n_val_pairs;
4747                 recp->chain_idx = entry->chain_idx;
4748                 recp->recp_created = true;
4749                 recp->big_recp = false;
4750         }
4751         rm->root_buf = buf;
4752         ice_free(hw, tmp);
4753         return status;
4754
4755 err_unroll:
4756 err_mem:
4757         ice_free(hw, tmp);
4758         ice_free(hw, buf);
4759         return status;
4760 }
4761
4762 /**
4763  * ice_create_recipe_group - creates recipe group
4764  * @hw: pointer to hardware structure
4765  * @rm: recipe management list entry
4766  * @lkup_exts: lookup elements
4767  */
4768 static enum ice_status
4769 ice_create_recipe_group(struct ice_hw *hw, struct ice_sw_recipe *rm,
4770                         struct ice_prot_lkup_ext *lkup_exts)
4771 {
4772         struct ice_recp_grp_entry *entry;
4773         struct ice_recp_grp_entry *tmp;
4774         enum ice_status status;
4775         u8 recp_count = 0;
4776         u16 groups, i;
4777
4778         rm->n_grp_count = 0;
4779
4780         /* Each switch recipe can match up to 5 words or metadata. One word in
4781          * each recipe is used to match the switch ID. Four words are left for
4782          * matching other values. If the new advanced recipe requires more than
4783          * 4 words, it needs to be split into multiple recipes which are chained
4784          * together using the intermediate result that each produces as input to
4785          * the other recipes in the sequence.
4786          */
4787         groups = ARRAY_SIZE(ice_recipe_pack);
4788
4789         /* Check if any of the preferred recipes from the grouping policy
4790          * matches.
4791          */
4792         for (i = 0; i < groups; i++)
4793                 /* Check if the recipe from the preferred grouping matches
4794                  * or is a subset of the fields that needs to be looked up.
4795                  */
4796                 if (ice_is_recipe_subset(lkup_exts, &ice_recipe_pack[i])) {
4797                         /* This recipe can be used by itself or grouped with
4798                          * other recipes.
4799                          */
4800                         entry = (struct ice_recp_grp_entry *)
4801                                 ice_malloc(hw, sizeof(*entry));
4802                         if (!entry) {
4803                                 status = ICE_ERR_NO_MEMORY;
4804                                 goto err_unroll;
4805                         }
4806                         entry->r_group = ice_recipe_pack[i];
4807                         LIST_ADD(&entry->l_entry, &rm->rg_list);
4808                         rm->n_grp_count++;
4809                 }
4810
4811         /* Create recipes for words that are marked not done by packing them
4812          * as best fit.
4813          */
4814         status = ice_create_first_fit_recp_def(hw, lkup_exts,
4815                                                &rm->rg_list, &recp_count);
4816         if (!status) {
4817                 rm->n_grp_count += recp_count;
4818                 rm->n_ext_words = lkup_exts->n_val_words;
4819                 ice_memcpy(&rm->ext_words, lkup_exts->fv_words,
4820                            sizeof(rm->ext_words), ICE_NONDMA_TO_NONDMA);
4821                 goto out;
4822         }
4823
4824 err_unroll:
4825         LIST_FOR_EACH_ENTRY_SAFE(entry, tmp, &rm->rg_list, ice_recp_grp_entry,
4826                                  l_entry) {
4827                 LIST_DEL(&entry->l_entry);
4828                 ice_free(hw, entry);
4829         }
4830
4831 out:
4832         return status;
4833 }
4834
4835 /**
4836  * ice_get_fv - get field vectors/extraction sequences for spec. lookup types
4837  * @hw: pointer to hardware structure
4838  * @lkups: lookup elements or match criteria for the advanced recipe, one
4839  *         structure per protocol header
4840  * @lkups_cnt: number of protocols
4841  * @fv_list: pointer to a list that holds the returned field vectors
4842  */
4843 static enum ice_status
4844 ice_get_fv(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups, u16 lkups_cnt,
4845            struct LIST_HEAD_TYPE *fv_list)
4846 {
4847         enum ice_status status;
4848         u16 *prot_ids;
4849         u16 i;
4850
4851         prot_ids = (u16 *)ice_calloc(hw, lkups_cnt, sizeof(*prot_ids));
4852         if (!prot_ids)
4853                 return ICE_ERR_NO_MEMORY;
4854
4855         for (i = 0; i < lkups_cnt; i++)
4856                 if (!ice_prot_type_to_id(lkups[i].type, &prot_ids[i])) {
4857                         status = ICE_ERR_CFG;
4858                         goto free_mem;
4859                 }
4860
4861         /* Find field vectors that include all specified protocol types */
4862         status = ice_get_sw_fv_list(hw, prot_ids, lkups_cnt, fv_list);
4863
4864 free_mem:
4865         ice_free(hw, prot_ids);
4866         return status;
4867 }
4868
4869 /**
4870  * ice_add_adv_recipe - Add an advanced recipe that is not part of the default
4871  * @hw: pointer to hardware structure
4872  * @lkups: lookup elements or match criteria for the advanced recipe, one
4873  *  structure per protocol header
4874  * @lkups_cnt: number of protocols
4875  * @rinfo: other information regarding the rule e.g. priority and action info
4876  * @rid: return the recipe ID of the recipe created
4877  */
4878 static enum ice_status
4879 ice_add_adv_recipe(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups,
4880                    u16 lkups_cnt, struct ice_adv_rule_info *rinfo, u16 *rid)
4881 {
4882         struct ice_prot_lkup_ext *lkup_exts;
4883         struct ice_recp_grp_entry *r_entry;
4884         struct ice_sw_fv_list_entry *fvit;
4885         struct ice_recp_grp_entry *r_tmp;
4886         struct ice_sw_fv_list_entry *tmp;
4887         enum ice_status status = ICE_SUCCESS;
4888         struct ice_sw_recipe *rm;
4889         bool match_tun = false;
4890         u8 i;
4891
4892         if (!lkups_cnt)
4893                 return ICE_ERR_PARAM;
4894
4895         lkup_exts = (struct ice_prot_lkup_ext *)
4896                 ice_malloc(hw, sizeof(*lkup_exts));
4897         if (!lkup_exts)
4898                 return ICE_ERR_NO_MEMORY;
4899
4900         /* Determine the number of words to be matched and if it exceeds a
4901          * recipe's restrictions
4902          */
4903         for (i = 0; i < lkups_cnt; i++) {
4904                 u16 count;
4905
4906                 if (lkups[i].type >= ICE_PROTOCOL_LAST) {
4907                         status = ICE_ERR_CFG;
4908                         goto err_free_lkup_exts;
4909                 }
4910
4911                 count = ice_fill_valid_words(&lkups[i], lkup_exts);
4912                 if (!count) {
4913                         status = ICE_ERR_CFG;
4914                         goto err_free_lkup_exts;
4915                 }
4916         }
4917
4918         *rid = ice_find_recp(hw, lkup_exts);
4919         if (*rid < ICE_MAX_NUM_RECIPES)
4920                 /* Success if found a recipe that match the existing criteria */
4921                 goto err_free_lkup_exts;
4922
4923         /* Recipe we need does not exist, add a recipe */
4924
4925         rm = (struct ice_sw_recipe *)ice_malloc(hw, sizeof(*rm));
4926         if (!rm) {
4927                 status = ICE_ERR_NO_MEMORY;
4928                 goto err_free_lkup_exts;
4929         }
4930
4931         /* Get field vectors that contain fields extracted from all the protocol
4932          * headers being programmed.
4933          */
4934         INIT_LIST_HEAD(&rm->fv_list);
4935         INIT_LIST_HEAD(&rm->rg_list);
4936
4937         status = ice_get_fv(hw, lkups, lkups_cnt, &rm->fv_list);
4938         if (status)
4939                 goto err_unroll;
4940
4941         /* Group match words into recipes using preferred recipe grouping
4942          * criteria.
4943          */
4944         status = ice_create_recipe_group(hw, rm, lkup_exts);
4945         if (status)
4946                 goto err_unroll;
4947
4948         /* There is only profile for UDP tunnels. So, it is necessary to use a
4949          * metadata ID flag to differentiate different tunnel types. A separate
4950          * recipe needs to be used for the metadata.
4951          */
4952         if ((rinfo->tun_type == ICE_SW_TUN_VXLAN_GPE ||
4953              rinfo->tun_type == ICE_SW_TUN_GENEVE ||
4954              rinfo->tun_type == ICE_SW_TUN_VXLAN) && rm->n_grp_count > 1)
4955                 match_tun = true;
4956
4957         /* set the recipe priority if specified */
4958         rm->priority = rinfo->priority ? rinfo->priority : 0;
4959
4960         /* Find offsets from the field vector. Pick the first one for all the
4961          * recipes.
4962          */
4963         ice_fill_fv_word_index(hw, &rm->fv_list, &rm->rg_list);
4964         status = ice_add_sw_recipe(hw, rm, match_tun);
4965         if (status)
4966                 goto err_unroll;
4967
4968         /* Associate all the recipes created with all the profiles in the
4969          * common field vector.
4970          */
4971         LIST_FOR_EACH_ENTRY(fvit, &rm->fv_list, ice_sw_fv_list_entry,
4972                             list_entry) {
4973                 ice_declare_bitmap(r_bitmap, ICE_MAX_NUM_RECIPES);
4974
4975                 status = ice_aq_get_recipe_to_profile(hw, fvit->profile_id,
4976                                                       (u8 *)r_bitmap, NULL);
4977                 if (status)
4978                         goto err_unroll;
4979
4980                 ice_or_bitmap(rm->r_bitmap, r_bitmap, rm->r_bitmap,
4981                               ICE_MAX_NUM_RECIPES);
4982                 status = ice_acquire_change_lock(hw, ICE_RES_WRITE);
4983                 if (status)
4984                         goto err_unroll;
4985
4986                 status = ice_aq_map_recipe_to_profile(hw, fvit->profile_id,
4987                                                       (u8 *)rm->r_bitmap,
4988                                                       NULL);
4989                 ice_release_change_lock(hw);
4990
4991                 if (status)
4992                         goto err_unroll;
4993         }
4994
4995         *rid = rm->root_rid;
4996         ice_memcpy(&hw->switch_info->recp_list[*rid].lkup_exts,
4997                    lkup_exts, sizeof(*lkup_exts), ICE_NONDMA_TO_NONDMA);
4998 err_unroll:
4999         LIST_FOR_EACH_ENTRY_SAFE(r_entry, r_tmp, &rm->rg_list,
5000                                  ice_recp_grp_entry, l_entry) {
5001                 LIST_DEL(&r_entry->l_entry);
5002                 ice_free(hw, r_entry);
5003         }
5004
5005         LIST_FOR_EACH_ENTRY_SAFE(fvit, tmp, &rm->fv_list, ice_sw_fv_list_entry,
5006                                  list_entry) {
5007                 LIST_DEL(&fvit->list_entry);
5008                 ice_free(hw, fvit);
5009         }
5010
5011         if (rm->root_buf)
5012                 ice_free(hw, rm->root_buf);
5013
5014         ice_free(hw, rm);
5015
5016 err_free_lkup_exts:
5017         ice_free(hw, lkup_exts);
5018
5019         return status;
5020 }
5021
5022 #define ICE_MAC_HDR_OFFSET      0
5023 #define ICE_IP_HDR_OFFSET       14
5024 #define ICE_GRE_HDR_OFFSET      34
5025 #define ICE_MAC_IL_HDR_OFFSET   42
5026 #define ICE_IP_IL_HDR_OFFSET    56
5027 #define ICE_L4_HDR_OFFSET       34
5028 #define ICE_UDP_TUN_HDR_OFFSET  42
5029
5030 /**
5031  * ice_find_dummy_packet - find dummy packet with given match criteria
5032  *
5033  * @lkups: lookup elements or match criteria for the advanced recipe, one
5034  *         structure per protocol header
5035  * @lkups_cnt: number of protocols
5036  * @tun_type: tunnel type from the match criteria
5037  * @pkt: dummy packet to fill according to filter match criteria
5038  * @pkt_len: packet length of dummy packet
5039  */
5040 static void
5041 ice_find_dummy_packet(struct ice_adv_lkup_elem *lkups, u16 lkups_cnt,
5042                       enum ice_sw_tunnel_type tun_type, const u8 **pkt,
5043                       u16 *pkt_len)
5044 {
5045         u16 i;
5046
5047         if (tun_type == ICE_SW_TUN_NVGRE || tun_type == ICE_ALL_TUNNELS) {
5048                 *pkt = dummy_gre_packet;
5049                 *pkt_len = sizeof(dummy_gre_packet);
5050                 return;
5051         }
5052
5053         if (tun_type == ICE_SW_TUN_VXLAN || tun_type == ICE_SW_TUN_GENEVE ||
5054             tun_type == ICE_SW_TUN_VXLAN_GPE) {
5055                 *pkt = dummy_udp_tun_packet;
5056                 *pkt_len = sizeof(dummy_udp_tun_packet);
5057                 return;
5058         }
5059
5060         for (i = 0; i < lkups_cnt; i++) {
5061                 if (lkups[i].type == ICE_UDP_ILOS) {
5062                         *pkt = dummy_udp_tun_packet;
5063                         *pkt_len = sizeof(dummy_udp_tun_packet);
5064                         return;
5065                 }
5066         }
5067
5068         *pkt = dummy_tcp_tun_packet;
5069         *pkt_len = sizeof(dummy_tcp_tun_packet);
5070 }
5071
5072 /**
5073  * ice_fill_adv_dummy_packet - fill a dummy packet with given match criteria
5074  *
5075  * @lkups: lookup elements or match criteria for the advanced recipe, one
5076  *         structure per protocol header
5077  * @lkups_cnt: number of protocols
5078  * @tun_type: to know if the dummy packet is supposed to be tunnel packet
5079  * @s_rule: stores rule information from the match criteria
5080  * @dummy_pkt: dummy packet to fill according to filter match criteria
5081  * @pkt_len: packet length of dummy packet
5082  */
5083 static void
5084 ice_fill_adv_dummy_packet(struct ice_adv_lkup_elem *lkups, u16 lkups_cnt,
5085                           enum ice_sw_tunnel_type tun_type,
5086                           struct ice_aqc_sw_rules_elem *s_rule,
5087                           const u8 *dummy_pkt, u16 pkt_len)
5088 {
5089         u8 *pkt;
5090         u16 i;
5091
5092         /* Start with a packet with a pre-defined/dummy content. Then, fill
5093          * in the header values to be looked up or matched.
5094          */
5095         pkt = s_rule->pdata.lkup_tx_rx.hdr;
5096
5097         ice_memcpy(pkt, dummy_pkt, pkt_len, ICE_NONDMA_TO_NONDMA);
5098
5099         for (i = 0; i < lkups_cnt; i++) {
5100                 u32 len, pkt_off, hdr_size, field_off;
5101
5102                 switch (lkups[i].type) {
5103                 case ICE_MAC_OFOS:
5104                 case ICE_MAC_IL:
5105                         pkt_off = offsetof(struct ice_ether_hdr, dst_addr) +
5106                                 ((lkups[i].type == ICE_MAC_IL) ?
5107                                  ICE_MAC_IL_HDR_OFFSET : 0);
5108                         len = sizeof(lkups[i].h_u.eth_hdr.dst_addr);
5109                         if ((tun_type == ICE_SW_TUN_VXLAN ||
5110                              tun_type == ICE_SW_TUN_GENEVE ||
5111                              tun_type == ICE_SW_TUN_VXLAN_GPE) &&
5112                              lkups[i].type == ICE_MAC_IL) {
5113                                 pkt_off += sizeof(struct ice_udp_tnl_hdr);
5114                         }
5115
5116                         ice_memcpy(&pkt[pkt_off],
5117                                    &lkups[i].h_u.eth_hdr.dst_addr, len,
5118                                    ICE_NONDMA_TO_NONDMA);
5119                         pkt_off = offsetof(struct ice_ether_hdr, src_addr) +
5120                                 ((lkups[i].type == ICE_MAC_IL) ?
5121                                  ICE_MAC_IL_HDR_OFFSET : 0);
5122                         len = sizeof(lkups[i].h_u.eth_hdr.src_addr);
5123                         if ((tun_type == ICE_SW_TUN_VXLAN ||
5124                              tun_type == ICE_SW_TUN_GENEVE ||
5125                              tun_type == ICE_SW_TUN_VXLAN_GPE) &&
5126                              lkups[i].type == ICE_MAC_IL) {
5127                                 pkt_off += sizeof(struct ice_udp_tnl_hdr);
5128                         }
5129                         ice_memcpy(&pkt[pkt_off],
5130                                    &lkups[i].h_u.eth_hdr.src_addr, len,
5131                                    ICE_NONDMA_TO_NONDMA);
5132                         if (lkups[i].h_u.eth_hdr.ethtype_id) {
5133                                 pkt_off = offsetof(struct ice_ether_hdr,
5134                                                    ethtype_id) +
5135                                         ((lkups[i].type == ICE_MAC_IL) ?
5136                                          ICE_MAC_IL_HDR_OFFSET : 0);
5137                                 len = sizeof(lkups[i].h_u.eth_hdr.ethtype_id);
5138                                 if ((tun_type == ICE_SW_TUN_VXLAN ||
5139                                      tun_type == ICE_SW_TUN_GENEVE ||
5140                                      tun_type == ICE_SW_TUN_VXLAN_GPE) &&
5141                                      lkups[i].type == ICE_MAC_IL) {
5142                                         pkt_off +=
5143                                                 sizeof(struct ice_udp_tnl_hdr);
5144                                 }
5145                                 ice_memcpy(&pkt[pkt_off],
5146                                            &lkups[i].h_u.eth_hdr.ethtype_id,
5147                                            len, ICE_NONDMA_TO_NONDMA);
5148                         }
5149                         break;
5150                 case ICE_IPV4_OFOS:
5151                         hdr_size = sizeof(struct ice_ipv4_hdr);
5152                         if (lkups[i].h_u.ipv4_hdr.dst_addr) {
5153                                 pkt_off = ICE_IP_HDR_OFFSET +
5154                                            offsetof(struct ice_ipv4_hdr,
5155                                                     dst_addr);
5156                                 field_off = offsetof(struct ice_ipv4_hdr,
5157                                                      dst_addr);
5158                                 len = hdr_size - field_off;
5159                                 ice_memcpy(&pkt[pkt_off],
5160                                            &lkups[i].h_u.ipv4_hdr.dst_addr,
5161                                            len, ICE_NONDMA_TO_NONDMA);
5162                         }
5163                         if (lkups[i].h_u.ipv4_hdr.src_addr) {
5164                                 pkt_off = ICE_IP_HDR_OFFSET +
5165                                            offsetof(struct ice_ipv4_hdr,
5166                                                     src_addr);
5167                                 field_off = offsetof(struct ice_ipv4_hdr,
5168                                                      src_addr);
5169                                 len = hdr_size - field_off;
5170                                 ice_memcpy(&pkt[pkt_off],
5171                                            &lkups[i].h_u.ipv4_hdr.src_addr,
5172                                            len, ICE_NONDMA_TO_NONDMA);
5173                         }
5174                         break;
5175                 case ICE_IPV4_IL:
5176                         break;
5177                 case ICE_TCP_IL:
5178                 case ICE_UDP_ILOS:
5179                 case ICE_SCTP_IL:
5180                         hdr_size = sizeof(struct ice_udp_tnl_hdr);
5181                         if (lkups[i].h_u.l4_hdr.dst_port) {
5182                                 pkt_off = ICE_L4_HDR_OFFSET +
5183                                            offsetof(struct ice_l4_hdr,
5184                                                     dst_port);
5185                                 field_off = offsetof(struct ice_l4_hdr,
5186                                                      dst_port);
5187                                 len =  hdr_size - field_off;
5188                                 ice_memcpy(&pkt[pkt_off],
5189                                            &lkups[i].h_u.l4_hdr.dst_port,
5190                                            len, ICE_NONDMA_TO_NONDMA);
5191                         }
5192                         if (lkups[i].h_u.l4_hdr.src_port) {
5193                                 pkt_off = ICE_L4_HDR_OFFSET +
5194                                         offsetof(struct ice_l4_hdr, src_port);
5195                                 field_off = offsetof(struct ice_l4_hdr,
5196                                                      src_port);
5197                                 len =  hdr_size - field_off;
5198                                 ice_memcpy(&pkt[pkt_off],
5199                                            &lkups[i].h_u.l4_hdr.src_port,
5200                                            len, ICE_NONDMA_TO_NONDMA);
5201                         }
5202                         break;
5203                 case ICE_VXLAN:
5204                 case ICE_GENEVE:
5205                 case ICE_VXLAN_GPE:
5206                         pkt_off = ICE_UDP_TUN_HDR_OFFSET +
5207                                    offsetof(struct ice_udp_tnl_hdr, vni);
5208                         field_off = offsetof(struct ice_udp_tnl_hdr, vni);
5209                         len =  sizeof(struct ice_udp_tnl_hdr) - field_off;
5210                         ice_memcpy(&pkt[pkt_off], &lkups[i].h_u.tnl_hdr.vni,
5211                                    len, ICE_NONDMA_TO_NONDMA);
5212                         break;
5213                 default:
5214                         break;
5215                 }
5216         }
5217         s_rule->pdata.lkup_tx_rx.hdr_len = CPU_TO_LE16(pkt_len);
5218 }
5219
5220 /**
5221  * ice_find_adv_rule_entry - Search a rule entry
5222  * @hw: pointer to the hardware structure
5223  * @lkups: lookup elements or match criteria for the advanced recipe, one
5224  *         structure per protocol header
5225  * @lkups_cnt: number of protocols
5226  * @recp_id: recipe ID for which we are finding the rule
5227  * @rinfo: other information regarding the rule e.g. priority and action info
5228  *
5229  * Helper function to search for a given advance rule entry
5230  * Returns pointer to entry storing the rule if found
5231  */
5232 static struct ice_adv_fltr_mgmt_list_entry *
5233 ice_find_adv_rule_entry(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups,
5234                         u16 lkups_cnt, u8 recp_id,
5235                         struct ice_adv_rule_info *rinfo)
5236 {
5237         struct ice_adv_fltr_mgmt_list_entry *list_itr;
5238         struct ice_switch_info *sw = hw->switch_info;
5239         int i;
5240
5241         LIST_FOR_EACH_ENTRY(list_itr, &sw->recp_list[recp_id].filt_rules,
5242                             ice_adv_fltr_mgmt_list_entry, list_entry) {
5243                 bool lkups_matched = true;
5244
5245                 if (lkups_cnt != list_itr->lkups_cnt)
5246                         continue;
5247                 for (i = 0; i < list_itr->lkups_cnt; i++)
5248                         if (memcmp(&list_itr->lkups[i], &lkups[i],
5249                                    sizeof(*lkups))) {
5250                                 lkups_matched = false;
5251                                 break;
5252                         }
5253                 if (rinfo->sw_act.flag == list_itr->rule_info.sw_act.flag &&
5254                     rinfo->tun_type == list_itr->rule_info.tun_type &&
5255                     lkups_matched)
5256                         return list_itr;
5257         }
5258         return NULL;
5259 }
5260
5261 /**
5262  * ice_adv_add_update_vsi_list
5263  * @hw: pointer to the hardware structure
5264  * @m_entry: pointer to current adv filter management list entry
5265  * @cur_fltr: filter information from the book keeping entry
5266  * @new_fltr: filter information with the new VSI to be added
5267  *
5268  * Call AQ command to add or update previously created VSI list with new VSI.
5269  *
5270  * Helper function to do book keeping associated with adding filter information
5271  * The algorithm to do the booking keeping is described below :
5272  * When a VSI needs to subscribe to a given advanced filter
5273  *      if only one VSI has been added till now
5274  *              Allocate a new VSI list and add two VSIs
5275  *              to this list using switch rule command
5276  *              Update the previously created switch rule with the
5277  *              newly created VSI list ID
5278  *      if a VSI list was previously created
5279  *              Add the new VSI to the previously created VSI list set
5280  *              using the update switch rule command
5281  */
5282 static enum ice_status
5283 ice_adv_add_update_vsi_list(struct ice_hw *hw,
5284                             struct ice_adv_fltr_mgmt_list_entry *m_entry,
5285                             struct ice_adv_rule_info *cur_fltr,
5286                             struct ice_adv_rule_info *new_fltr)
5287 {
5288         enum ice_status status;
5289         u16 vsi_list_id = 0;
5290
5291         if (cur_fltr->sw_act.fltr_act == ICE_FWD_TO_Q ||
5292             cur_fltr->sw_act.fltr_act == ICE_FWD_TO_QGRP)
5293                 return ICE_ERR_NOT_IMPL;
5294
5295         if (cur_fltr->sw_act.fltr_act == ICE_DROP_PACKET &&
5296             new_fltr->sw_act.fltr_act == ICE_DROP_PACKET)
5297                 return ICE_ERR_ALREADY_EXISTS;
5298
5299         if ((new_fltr->sw_act.fltr_act == ICE_FWD_TO_Q ||
5300              new_fltr->sw_act.fltr_act == ICE_FWD_TO_QGRP) &&
5301             (cur_fltr->sw_act.fltr_act == ICE_FWD_TO_VSI ||
5302              cur_fltr->sw_act.fltr_act == ICE_FWD_TO_VSI_LIST))
5303                 return ICE_ERR_NOT_IMPL;
5304
5305         if (m_entry->vsi_count < 2 && !m_entry->vsi_list_info) {
5306                  /* Only one entry existed in the mapping and it was not already
5307                   * a part of a VSI list. So, create a VSI list with the old and
5308                   * new VSIs.
5309                   */
5310                 struct ice_fltr_info tmp_fltr;
5311                 u16 vsi_handle_arr[2];
5312
5313                 /* A rule already exists with the new VSI being added */
5314                 if (cur_fltr->sw_act.fwd_id.hw_vsi_id ==
5315                     new_fltr->sw_act.fwd_id.hw_vsi_id)
5316                         return ICE_ERR_ALREADY_EXISTS;
5317
5318                 vsi_handle_arr[0] = cur_fltr->sw_act.vsi_handle;
5319                 vsi_handle_arr[1] = new_fltr->sw_act.vsi_handle;
5320                 status = ice_create_vsi_list_rule(hw, &vsi_handle_arr[0], 2,
5321                                                   &vsi_list_id,
5322                                                   ICE_SW_LKUP_LAST);
5323                 if (status)
5324                         return status;
5325
5326                 tmp_fltr.fltr_rule_id = cur_fltr->fltr_rule_id;
5327                 tmp_fltr.fltr_act = ICE_FWD_TO_VSI_LIST;
5328                 tmp_fltr.fwd_id.vsi_list_id = vsi_list_id;
5329                 /* Update the previous switch rule of "forward to VSI" to
5330                  * "fwd to VSI list"
5331                  */
5332                 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr);
5333                 if (status)
5334                         return status;
5335
5336                 cur_fltr->sw_act.fwd_id.vsi_list_id = vsi_list_id;
5337                 cur_fltr->sw_act.fltr_act = ICE_FWD_TO_VSI_LIST;
5338                 m_entry->vsi_list_info =
5339                         ice_create_vsi_list_map(hw, &vsi_handle_arr[0], 2,
5340                                                 vsi_list_id);
5341         } else {
5342                 u16 vsi_handle = new_fltr->sw_act.vsi_handle;
5343
5344                 if (!m_entry->vsi_list_info)
5345                         return ICE_ERR_CFG;
5346
5347                 /* A rule already exists with the new VSI being added */
5348                 if (ice_is_bit_set(m_entry->vsi_list_info->vsi_map, vsi_handle))
5349                         return ICE_SUCCESS;
5350
5351                 /* Update the previously created VSI list set with
5352                  * the new VSI ID passed in
5353                  */
5354                 vsi_list_id = cur_fltr->sw_act.fwd_id.vsi_list_id;
5355
5356                 status = ice_update_vsi_list_rule(hw, &vsi_handle, 1,
5357                                                   vsi_list_id, false,
5358                                                   ice_aqc_opc_update_sw_rules,
5359                                                   ICE_SW_LKUP_LAST);
5360                 /* update VSI list mapping info with new VSI ID */
5361                 if (!status)
5362                         ice_set_bit(vsi_handle,
5363                                     m_entry->vsi_list_info->vsi_map);
5364         }
5365         if (!status)
5366                 m_entry->vsi_count++;
5367         return status;
5368 }
5369
5370 /**
5371  * ice_add_adv_rule - create an advanced switch rule
5372  * @hw: pointer to the hardware structure
5373  * @lkups: information on the words that needs to be looked up. All words
5374  * together makes one recipe
5375  * @lkups_cnt: num of entries in the lkups array
5376  * @rinfo: other information related to the rule that needs to be programmed
5377  * @added_entry: this will return recipe_id, rule_id and vsi_handle. should be
5378  *               ignored is case of error.
5379  *
5380  * This function can program only 1 rule at a time. The lkups is used to
5381  * describe the all the words that forms the "lookup" portion of the recipe.
5382  * These words can span multiple protocols. Callers to this function need to
5383  * pass in a list of protocol headers with lookup information along and mask
5384  * that determines which words are valid from the given protocol header.
5385  * rinfo describes other information related to this rule such as forwarding
5386  * IDs, priority of this rule, etc.
5387  */
5388 enum ice_status
5389 ice_add_adv_rule(struct ice_hw *hw, struct ice_adv_lkup_elem *lkups,
5390                  u16 lkups_cnt, struct ice_adv_rule_info *rinfo,
5391                  struct ice_rule_query_data *added_entry)
5392 {
5393         struct ice_adv_fltr_mgmt_list_entry *m_entry, *adv_fltr = NULL;
5394         u16 rid = 0, i, pkt_len, rule_buf_sz, vsi_handle;
5395         struct ice_aqc_sw_rules_elem *s_rule;
5396         struct LIST_HEAD_TYPE *rule_head;
5397         struct ice_switch_info *sw;
5398         enum ice_status status;
5399         const u8 *pkt = NULL;
5400         u32 act = 0;
5401
5402         if (!lkups_cnt)
5403                 return ICE_ERR_PARAM;
5404
5405         for (i = 0; i < lkups_cnt; i++) {
5406                 u16 j, *ptr;
5407
5408                 /* Validate match masks to make sure they match complete 16-bit
5409                  * words.
5410                  */
5411                 ptr = (u16 *)&lkups->m_u;
5412                 for (j = 0; j < sizeof(lkups->m_u) / sizeof(u16); j++)
5413                         if (ptr[j] != 0 && ptr[j] != 0xffff)
5414                                 return ICE_ERR_PARAM;
5415         }
5416
5417         if (!(rinfo->sw_act.fltr_act == ICE_FWD_TO_VSI ||
5418               rinfo->sw_act.fltr_act == ICE_FWD_TO_Q ||
5419               rinfo->sw_act.fltr_act == ICE_DROP_PACKET))
5420                 return ICE_ERR_CFG;
5421
5422         vsi_handle = rinfo->sw_act.vsi_handle;
5423         if (!ice_is_vsi_valid(hw, vsi_handle))
5424                 return ICE_ERR_PARAM;
5425
5426         if (rinfo->sw_act.fltr_act == ICE_FWD_TO_VSI)
5427                 rinfo->sw_act.fwd_id.hw_vsi_id =
5428                         ice_get_hw_vsi_num(hw, vsi_handle);
5429         if (rinfo->sw_act.flag & ICE_FLTR_TX)
5430                 rinfo->sw_act.src = ice_get_hw_vsi_num(hw, vsi_handle);
5431
5432         status = ice_add_adv_recipe(hw, lkups, lkups_cnt, rinfo, &rid);
5433         if (status)
5434                 return status;
5435         m_entry = ice_find_adv_rule_entry(hw, lkups, lkups_cnt, rid, rinfo);
5436         if (m_entry) {
5437                 /* we have to add VSI to VSI_LIST and increment vsi_count.
5438                  * Also Update VSI list so that we can change forwarding rule
5439                  * if the rule already exists, we will check if it exists with
5440                  * same vsi_id, if not then add it to the VSI list if it already
5441                  * exists if not then create a VSI list and add the existing VSI
5442                  * ID and the new VSI ID to the list
5443                  * We will add that VSI to the list
5444                  */
5445                 status = ice_adv_add_update_vsi_list(hw, m_entry,
5446                                                      &m_entry->rule_info,
5447                                                      rinfo);
5448                 if (added_entry) {
5449                         added_entry->rid = rid;
5450                         added_entry->rule_id = m_entry->rule_info.fltr_rule_id;
5451                         added_entry->vsi_handle = rinfo->sw_act.vsi_handle;
5452                 }
5453                 return status;
5454         }
5455         ice_find_dummy_packet(lkups, lkups_cnt, rinfo->tun_type, &pkt,
5456                               &pkt_len);
5457         rule_buf_sz = ICE_SW_RULE_RX_TX_NO_HDR_SIZE + pkt_len;
5458         s_rule = (struct ice_aqc_sw_rules_elem *)ice_malloc(hw, rule_buf_sz);
5459         if (!s_rule)
5460                 return ICE_ERR_NO_MEMORY;
5461         act |= ICE_SINGLE_ACT_LB_ENABLE | ICE_SINGLE_ACT_LAN_ENABLE;
5462         switch (rinfo->sw_act.fltr_act) {
5463         case ICE_FWD_TO_VSI:
5464                 act |= (rinfo->sw_act.fwd_id.hw_vsi_id <<
5465                         ICE_SINGLE_ACT_VSI_ID_S) & ICE_SINGLE_ACT_VSI_ID_M;
5466                 act |= ICE_SINGLE_ACT_VSI_FORWARDING | ICE_SINGLE_ACT_VALID_BIT;
5467                 break;
5468         case ICE_FWD_TO_Q:
5469                 act |= ICE_SINGLE_ACT_TO_Q;
5470                 act |= (rinfo->sw_act.fwd_id.q_id << ICE_SINGLE_ACT_Q_INDEX_S) &
5471                        ICE_SINGLE_ACT_Q_INDEX_M;
5472                 break;
5473         case ICE_DROP_PACKET:
5474                 act |= ICE_SINGLE_ACT_VSI_FORWARDING | ICE_SINGLE_ACT_DROP |
5475                        ICE_SINGLE_ACT_VALID_BIT;
5476                 break;
5477         default:
5478                 status = ICE_ERR_CFG;
5479                 goto err_ice_add_adv_rule;
5480         }
5481
5482         /* set the rule LOOKUP type based on caller specified 'RX'
5483          * instead of hardcoding it to be either LOOKUP_TX/RX
5484          *
5485          * for 'RX' set the source to be the port number
5486          * for 'TX' set the source to be the source HW VSI number (determined
5487          * by caller)
5488          */
5489         if (rinfo->rx) {
5490                 s_rule->type = CPU_TO_LE16(ICE_AQC_SW_RULES_T_LKUP_RX);
5491                 s_rule->pdata.lkup_tx_rx.src =
5492                         CPU_TO_LE16(hw->port_info->lport);
5493         } else {
5494                 s_rule->type = CPU_TO_LE16(ICE_AQC_SW_RULES_T_LKUP_TX);
5495                 s_rule->pdata.lkup_tx_rx.src = CPU_TO_LE16(rinfo->sw_act.src);
5496         }
5497
5498         s_rule->pdata.lkup_tx_rx.recipe_id = CPU_TO_LE16(rid);
5499         s_rule->pdata.lkup_tx_rx.act = CPU_TO_LE32(act);
5500
5501         ice_fill_adv_dummy_packet(lkups, lkups_cnt, rinfo->tun_type, s_rule,
5502                                   pkt, pkt_len);
5503
5504         status = ice_aq_sw_rules(hw, (struct ice_aqc_sw_rules *)s_rule,
5505                                  rule_buf_sz, 1, ice_aqc_opc_add_sw_rules,
5506                                  NULL);
5507         if (status)
5508                 goto err_ice_add_adv_rule;
5509         adv_fltr = (struct ice_adv_fltr_mgmt_list_entry *)
5510                 ice_malloc(hw, sizeof(struct ice_adv_fltr_mgmt_list_entry));
5511         if (!adv_fltr) {
5512                 status = ICE_ERR_NO_MEMORY;
5513                 goto err_ice_add_adv_rule;
5514         }
5515
5516         adv_fltr->lkups = (struct ice_adv_lkup_elem *)
5517                 ice_memdup(hw, lkups, lkups_cnt * sizeof(*lkups),
5518                            ICE_NONDMA_TO_NONDMA);
5519         if (!adv_fltr->lkups) {
5520                 status = ICE_ERR_NO_MEMORY;
5521                 goto err_ice_add_adv_rule;
5522         }
5523
5524         adv_fltr->lkups_cnt = lkups_cnt;
5525         adv_fltr->rule_info = *rinfo;
5526         adv_fltr->rule_info.fltr_rule_id =
5527                 LE16_TO_CPU(s_rule->pdata.lkup_tx_rx.index);
5528         sw = hw->switch_info;
5529         sw->recp_list[rid].adv_rule = true;
5530         rule_head = &sw->recp_list[rid].filt_rules;
5531
5532         if (rinfo->sw_act.fltr_act == ICE_FWD_TO_VSI) {
5533                 struct ice_fltr_info tmp_fltr;
5534
5535                 tmp_fltr.fltr_rule_id =
5536                         LE16_TO_CPU(s_rule->pdata.lkup_tx_rx.index);
5537                 tmp_fltr.fltr_act = ICE_FWD_TO_VSI;
5538                 tmp_fltr.fwd_id.hw_vsi_id =
5539                         ice_get_hw_vsi_num(hw, vsi_handle);
5540                 tmp_fltr.vsi_handle = vsi_handle;
5541                 /* Update the previous switch rule of "forward to VSI" to
5542                  * "fwd to VSI list"
5543                  */
5544                 status = ice_update_pkt_fwd_rule(hw, &tmp_fltr);
5545                 if (status)
5546                         goto err_ice_add_adv_rule;
5547                 adv_fltr->vsi_count = 1;
5548         }
5549
5550         /* Add rule entry to book keeping list */
5551         LIST_ADD(&adv_fltr->list_entry, rule_head);
5552         if (added_entry) {
5553                 added_entry->rid = rid;
5554                 added_entry->rule_id = adv_fltr->rule_info.fltr_rule_id;
5555                 added_entry->vsi_handle = rinfo->sw_act.vsi_handle;
5556         }
5557 err_ice_add_adv_rule:
5558         if (status && adv_fltr) {
5559                 ice_free(hw, adv_fltr->lkups);
5560                 ice_free(hw, adv_fltr);
5561         }
5562
5563         ice_free(hw, s_rule);
5564
5565         return status;
5566 }
5567 /**
5568  * ice_replay_fltr - Replay all the filters stored by a specific list head
5569  * @hw: pointer to the hardware structure
5570  * @list_head: list for which filters needs to be replayed
5571  * @recp_id: Recipe ID for which rules need to be replayed
5572  */
5573 static enum ice_status
5574 ice_replay_fltr(struct ice_hw *hw, u8 recp_id, struct LIST_HEAD_TYPE *list_head)
5575 {
5576         struct ice_fltr_mgmt_list_entry *itr;
5577         struct LIST_HEAD_TYPE l_head;
5578         enum ice_status status = ICE_SUCCESS;
5579
5580         if (LIST_EMPTY(list_head))
5581                 return status;
5582
5583         /* Move entries from the given list_head to a temporary l_head so that
5584          * they can be replayed. Otherwise when trying to re-add the same
5585          * filter, the function will return already exists
5586          */
5587         LIST_REPLACE_INIT(list_head, &l_head);
5588
5589         /* Mark the given list_head empty by reinitializing it so filters
5590          * could be added again by *handler
5591          */
5592         LIST_FOR_EACH_ENTRY(itr, &l_head, ice_fltr_mgmt_list_entry,
5593                             list_entry) {
5594                 struct ice_fltr_list_entry f_entry;
5595
5596                 f_entry.fltr_info = itr->fltr_info;
5597                 if (itr->vsi_count < 2 && recp_id != ICE_SW_LKUP_VLAN) {
5598                         status = ice_add_rule_internal(hw, recp_id, &f_entry);
5599                         if (status != ICE_SUCCESS)
5600                                 goto end;
5601                         continue;
5602                 }
5603
5604                 /* Add a filter per VSI separately */
5605                 while (1) {
5606                         u16 vsi_handle;
5607
5608                         vsi_handle =
5609                                 ice_find_first_bit(itr->vsi_list_info->vsi_map,
5610                                                    ICE_MAX_VSI);
5611                         if (!ice_is_vsi_valid(hw, vsi_handle))
5612                                 break;
5613
5614                         ice_clear_bit(vsi_handle, itr->vsi_list_info->vsi_map);
5615                         f_entry.fltr_info.vsi_handle = vsi_handle;
5616                         f_entry.fltr_info.fwd_id.hw_vsi_id =
5617                                 ice_get_hw_vsi_num(hw, vsi_handle);
5618                         f_entry.fltr_info.fltr_act = ICE_FWD_TO_VSI;
5619                         if (recp_id == ICE_SW_LKUP_VLAN)
5620                                 status = ice_add_vlan_internal(hw, &f_entry);
5621                         else
5622                                 status = ice_add_rule_internal(hw, recp_id,
5623                                                                &f_entry);
5624                         if (status != ICE_SUCCESS)
5625                                 goto end;
5626                 }
5627         }
5628 end:
5629         /* Clear the filter management list */
5630         ice_rem_sw_rule_info(hw, &l_head);
5631         return status;
5632 }
5633
5634 /**
5635  * ice_replay_all_fltr - replay all filters stored in bookkeeping lists
5636  * @hw: pointer to the hardware structure
5637  *
5638  * NOTE: This function does not clean up partially added filters on error.
5639  * It is up to caller of the function to issue a reset or fail early.
5640  */
5641 enum ice_status ice_replay_all_fltr(struct ice_hw *hw)
5642 {
5643         struct ice_switch_info *sw = hw->switch_info;
5644         enum ice_status status = ICE_SUCCESS;
5645         u8 i;
5646
5647         for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
5648                 struct LIST_HEAD_TYPE *head = &sw->recp_list[i].filt_rules;
5649
5650                 status = ice_replay_fltr(hw, i, head);
5651                 if (status != ICE_SUCCESS)
5652                         return status;
5653         }
5654         return status;
5655 }
5656
5657 /**
5658  * ice_replay_vsi_fltr - Replay filters for requested VSI
5659  * @hw: pointer to the hardware structure
5660  * @vsi_handle: driver VSI handle
5661  * @recp_id: Recipe ID for which rules need to be replayed
5662  * @list_head: list for which filters need to be replayed
5663  *
5664  * Replays the filter of recipe recp_id for a VSI represented via vsi_handle.
5665  * It is required to pass valid VSI handle.
5666  */
5667 static enum ice_status
5668 ice_replay_vsi_fltr(struct ice_hw *hw, u16 vsi_handle, u8 recp_id,
5669                     struct LIST_HEAD_TYPE *list_head)
5670 {
5671         struct ice_fltr_mgmt_list_entry *itr;
5672         enum ice_status status = ICE_SUCCESS;
5673         u16 hw_vsi_id;
5674
5675         if (LIST_EMPTY(list_head))
5676                 return status;
5677         hw_vsi_id = ice_get_hw_vsi_num(hw, vsi_handle);
5678
5679         LIST_FOR_EACH_ENTRY(itr, list_head, ice_fltr_mgmt_list_entry,
5680                             list_entry) {
5681                 struct ice_fltr_list_entry f_entry;
5682
5683                 f_entry.fltr_info = itr->fltr_info;
5684                 if (itr->vsi_count < 2 && recp_id != ICE_SW_LKUP_VLAN &&
5685                     itr->fltr_info.vsi_handle == vsi_handle) {
5686                         /* update the src in case it is VSI num */
5687                         if (f_entry.fltr_info.src_id == ICE_SRC_ID_VSI)
5688                                 f_entry.fltr_info.src = hw_vsi_id;
5689                         status = ice_add_rule_internal(hw, recp_id, &f_entry);
5690                         if (status != ICE_SUCCESS)
5691                                 goto end;
5692                         continue;
5693                 }
5694                 if (!itr->vsi_list_info ||
5695                     !ice_is_bit_set(itr->vsi_list_info->vsi_map, vsi_handle))
5696                         continue;
5697                 /* Clearing it so that the logic can add it back */
5698                 ice_clear_bit(vsi_handle, itr->vsi_list_info->vsi_map);
5699                 f_entry.fltr_info.vsi_handle = vsi_handle;
5700                 f_entry.fltr_info.fltr_act = ICE_FWD_TO_VSI;
5701                 /* update the src in case it is VSI num */
5702                 if (f_entry.fltr_info.src_id == ICE_SRC_ID_VSI)
5703                         f_entry.fltr_info.src = hw_vsi_id;
5704                 if (recp_id == ICE_SW_LKUP_VLAN)
5705                         status = ice_add_vlan_internal(hw, &f_entry);
5706                 else
5707                         status = ice_add_rule_internal(hw, recp_id, &f_entry);
5708                 if (status != ICE_SUCCESS)
5709                         goto end;
5710         }
5711 end:
5712         return status;
5713 }
5714
5715 /**
5716  * ice_replay_vsi_adv_rule - Replay advanced rule for requested VSI
5717  * @hw: pointer to the hardware structure
5718  * @vsi_handle: driver VSI handle
5719  * @list_head: list for which filters need to be replayed
5720  *
5721  * Replay the advanced rule for the given VSI.
5722  */
5723 static enum ice_status
5724 ice_replay_vsi_adv_rule(struct ice_hw *hw, u16 vsi_handle,
5725                         struct LIST_HEAD_TYPE *list_head)
5726 {
5727         struct ice_rule_query_data added_entry = { 0 };
5728         struct ice_adv_fltr_mgmt_list_entry *adv_fltr;
5729         enum ice_status status = ICE_SUCCESS;
5730
5731         if (LIST_EMPTY(list_head))
5732                 return status;
5733         LIST_FOR_EACH_ENTRY(adv_fltr, list_head, ice_adv_fltr_mgmt_list_entry,
5734                             list_entry) {
5735                 struct ice_adv_rule_info *rinfo = &adv_fltr->rule_info;
5736                 u16 lk_cnt = adv_fltr->lkups_cnt;
5737
5738                 if (vsi_handle != rinfo->sw_act.vsi_handle)
5739                         continue;
5740                 status = ice_add_adv_rule(hw, adv_fltr->lkups, lk_cnt, rinfo,
5741                                           &added_entry);
5742                 if (status)
5743                         break;
5744         }
5745         return status;
5746 }
5747
5748 /**
5749  * ice_replay_vsi_all_fltr - replay all filters stored in bookkeeping lists
5750  * @hw: pointer to the hardware structure
5751  * @vsi_handle: driver VSI handle
5752  *
5753  * Replays filters for requested VSI via vsi_handle.
5754  */
5755 enum ice_status ice_replay_vsi_all_fltr(struct ice_hw *hw, u16 vsi_handle)
5756 {
5757         struct ice_switch_info *sw = hw->switch_info;
5758         enum ice_status status;
5759         u8 i;
5760
5761         /* Update the recipes that were created */
5762         for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
5763                 struct LIST_HEAD_TYPE *head;
5764
5765                 head = &sw->recp_list[i].filt_replay_rules;
5766                 if (!sw->recp_list[i].adv_rule)
5767                         status = ice_replay_vsi_fltr(hw, vsi_handle, i, head);
5768                 else
5769                         status = ice_replay_vsi_adv_rule(hw, vsi_handle, head);
5770                 if (status != ICE_SUCCESS)
5771                         return status;
5772         }
5773
5774         return ICE_SUCCESS;
5775 }
5776
5777 /**
5778  * ice_rm_all_sw_replay_rule_info - deletes filter replay rules
5779  * @hw: pointer to the HW struct
5780  *
5781  * Deletes the filter replay rules.
5782  */
5783 void ice_rm_all_sw_replay_rule_info(struct ice_hw *hw)
5784 {
5785         struct ice_switch_info *sw = hw->switch_info;
5786         u8 i;
5787
5788         if (!sw)
5789                 return;
5790
5791         for (i = 0; i < ICE_MAX_NUM_RECIPES; i++) {
5792                 if (!LIST_EMPTY(&sw->recp_list[i].filt_replay_rules)) {
5793                         struct LIST_HEAD_TYPE *l_head;
5794
5795                         l_head = &sw->recp_list[i].filt_replay_rules;
5796                         if (!sw->recp_list[i].adv_rule)
5797                                 ice_rem_sw_rule_info(hw, l_head);
5798                         else
5799                                 ice_rem_adv_rule_info(hw, l_head);
5800                 }
5801         }
5802 }