drivers/net/cnxk/cnxk_ethdev_devargs.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(C) 2021 Marvell.
   3  */
   4
   5 #include <inttypes.h>
   6 #include <math.h>
   7
   8 #include "cnxk_ethdev.h"
   9
  10 struct sdp_channel {
  11         bool is_sdp_mask_set;
  12         uint16_t channel;
  13         uint16_t mask;
  14 };
  15
  16 struct flow_pre_l2_size_info {
  17         uint8_t pre_l2_size_off;
  18         uint8_t pre_l2_size_off_mask;
  19         uint8_t pre_l2_size_shift_dir;
  20 };
  21
  22 static int
  23 parse_outb_nb_desc(const char *key, const char *value, void *extra_args)
  24 {
  25         RTE_SET_USED(key);
  26         uint32_t val;
  27
  28         val = atoi(value);
  29
  30         *(uint16_t *)extra_args = val;
  31
  32         return 0;
  33 }
  34
  35 static int
  36 parse_outb_nb_crypto_qs(const char *key, const char *value, void *extra_args)
  37 {
  38         RTE_SET_USED(key);
  39         uint32_t val;
  40
  41         val = atoi(value);
  42
  43         if (val < 1 || val > 64)
  44                 return -EINVAL;
  45
  46         *(uint16_t *)extra_args = val;
  47
  48         return 0;
  49 }
  50
  51 static int
  52 parse_ipsec_in_max_spi(const char *key, const char *value, void *extra_args)
  53 {
  54         RTE_SET_USED(key);
  55         uint32_t val;
  56
  57         val = atoi(value);
  58
  59         *(uint16_t *)extra_args = val;
  60
  61         return 0;
  62 }
  63
  64 static int
  65 parse_ipsec_out_max_sa(const char *key, const char *value, void *extra_args)
  66 {
  67         RTE_SET_USED(key);
  68         uint32_t val;
  69
  70         val = atoi(value);
  71
  72         *(uint16_t *)extra_args = val;
  73
  74         return 0;
  75 }
  76
  77 static int
  78 parse_flow_max_priority(const char *key, const char *value, void *extra_args)
  79 {
  80         RTE_SET_USED(key);
  81         uint16_t val;
  82
  83         val = atoi(value);
  84
  85         /* Limit the max priority to 32 */
  86         if (val < 1 || val > 32)
  87                 return -EINVAL;
  88
  89         *(uint16_t *)extra_args = val;
  90
  91         return 0;
  92 }
  93
  94 static int
  95 parse_flow_prealloc_size(const char *key, const char *value, void *extra_args)
  96 {
  97         RTE_SET_USED(key);
  98         uint16_t val;
  99
 100         val = atoi(value);
 101
 102         /* Limit the prealloc size to 32 */
 103         if (val < 1 || val > 32)
 104                 return -EINVAL;
 105
 106         *(uint16_t *)extra_args = val;
 107
 108         return 0;
 109 }
 110
 111 static int
 112 parse_reta_size(const char *key, const char *value, void *extra_args)
 113 {
 114         RTE_SET_USED(key);
 115         uint32_t val;
 116
 117         val = atoi(value);
 118
 119         if (val <= RTE_ETH_RSS_RETA_SIZE_64)
 120                 val = ROC_NIX_RSS_RETA_SZ_64;
 121         else if (val > RTE_ETH_RSS_RETA_SIZE_64 && val <= RTE_ETH_RSS_RETA_SIZE_128)
 122                 val = ROC_NIX_RSS_RETA_SZ_128;
 123         else if (val > RTE_ETH_RSS_RETA_SIZE_128 && val <= RTE_ETH_RSS_RETA_SIZE_256)
 124                 val = ROC_NIX_RSS_RETA_SZ_256;
 125         else
 126                 val = ROC_NIX_RSS_RETA_SZ_64;
 127
 128         *(uint16_t *)extra_args = val;
 129
 130         return 0;
 131 }
 132
 133 static int
 134 parse_pre_l2_hdr_info(const char *key, const char *value, void *extra_args)
 135 {
 136         struct flow_pre_l2_size_info *info =
 137                 (struct flow_pre_l2_size_info *)extra_args;
 138         char *tok1 = NULL, *tok2 = NULL;
 139         uint16_t off, off_mask, dir;
 140
 141         RTE_SET_USED(key);
 142         off = strtol(value, &tok1, 16);
 143         tok1++;
 144         off_mask = strtol(tok1, &tok2, 16);
 145         tok2++;
 146         dir = strtol(tok2, 0, 16);
 147         if (off >= 256 || off_mask < 1 || off_mask >= 256 || dir > 1)
 148                 return -EINVAL;
 149         info->pre_l2_size_off = off;
 150         info->pre_l2_size_off_mask = off_mask;
 151         info->pre_l2_size_shift_dir = dir;
 152
 153         return 0;
 154 }
 155
 156 static int
 157 parse_flag(const char *key, const char *value, void *extra_args)
 158 {
 159         RTE_SET_USED(key);
 160
 161         *(uint16_t *)extra_args = atoi(value);
 162
 163         return 0;
 164 }
 165
 166 static int
 167 parse_sqb_count(const char *key, const char *value, void *extra_args)
 168 {
 169         RTE_SET_USED(key);
 170         uint32_t val;
 171
 172         val = atoi(value);
 173
 174         *(uint16_t *)extra_args = val;
 175
 176         return 0;
 177 }
 178
 179 static int
 180 parse_switch_header_type(const char *key, const char *value, void *extra_args)
 181 {
 182         RTE_SET_USED(key);
 183
 184         if (strcmp(value, "higig2") == 0)
 185                 *(uint16_t *)extra_args = ROC_PRIV_FLAGS_HIGIG;
 186
 187         if (strcmp(value, "dsa") == 0)
 188                 *(uint16_t *)extra_args = ROC_PRIV_FLAGS_EDSA;
 189
 190         if (strcmp(value, "chlen90b") == 0)
 191                 *(uint16_t *)extra_args = ROC_PRIV_FLAGS_LEN_90B;
 192
 193         if (strcmp(value, "exdsa") == 0)
 194                 *(uint16_t *)extra_args = ROC_PRIV_FLAGS_EXDSA;
 195
 196         if (strcmp(value, "vlan_exdsa") == 0)
 197                 *(uint16_t *)extra_args = ROC_PRIV_FLAGS_VLAN_EXDSA;
 198
 199         if (strcmp(value, "pre_l2") == 0)
 200                 *(uint16_t *)extra_args = ROC_PRIV_FLAGS_PRE_L2;
 201
 202         return 0;
 203 }
 204
 205 static int
 206 parse_sdp_channel_mask(const char *key, const char *value, void *extra_args)
 207 {
 208         RTE_SET_USED(key);
 209         uint16_t chan = 0, mask = 0;
 210         char *next = 0;
 211
 212         /* next will point to the separator '/' */
 213         chan = strtol(value, &next, 16);
 214         mask = strtol(++next, 0, 16);
 215
 216         if (chan > GENMASK(11, 0) || mask > GENMASK(11, 0))
 217                 return -EINVAL;
 218
 219         ((struct sdp_channel *)extra_args)->channel = chan;
 220         ((struct sdp_channel *)extra_args)->mask = mask;
 221         ((struct sdp_channel *)extra_args)->is_sdp_mask_set = true;
 222
 223         return 0;
 224 }
 225
 226 #define CNXK_RSS_RETA_SIZE      "reta_size"
 227 #define CNXK_SCL_ENABLE         "scalar_enable"
 228 #define CNXK_MAX_SQB_COUNT      "max_sqb_count"
 229 #define CNXK_FLOW_PREALLOC_SIZE "flow_prealloc_size"
 230 #define CNXK_FLOW_MAX_PRIORITY  "flow_max_priority"
 231 #define CNXK_SWITCH_HEADER_TYPE "switch_header"
 232 #define CNXK_RSS_TAG_AS_XOR     "tag_as_xor"
 233 #define CNXK_LOCK_RX_CTX        "lock_rx_ctx"
 234 #define CNXK_IPSEC_IN_MAX_SPI   "ipsec_in_max_spi"
 235 #define CNXK_IPSEC_OUT_MAX_SA   "ipsec_out_max_sa"
 236 #define CNXK_OUTB_NB_DESC       "outb_nb_desc"
 237 #define CNXK_FORCE_INB_INL_DEV  "force_inb_inl_dev"
 238 #define CNXK_OUTB_NB_CRYPTO_QS  "outb_nb_crypto_qs"
 239 #define CNXK_SDP_CHANNEL_MASK   "sdp_channel_mask"
 240 #define CNXK_FLOW_PRE_L2_INFO   "flow_pre_l2_info"
 241
 242 int
 243 cnxk_ethdev_parse_devargs(struct rte_devargs *devargs, struct cnxk_eth_dev *dev)
 244 {
 245         uint16_t reta_sz = ROC_NIX_RSS_RETA_SZ_64;
 246         uint16_t sqb_count = CNXK_NIX_TX_MAX_SQB;
 247         struct flow_pre_l2_size_info pre_l2_info;
 248         uint16_t ipsec_in_max_spi = BIT(8) - 1;
 249         uint16_t ipsec_out_max_sa = BIT(12);
 250         uint16_t flow_prealloc_size = 1;
 251         uint16_t switch_header_type = 0;
 252         uint16_t flow_max_priority = 3;
 253         uint16_t force_inb_inl_dev = 0;
 254         uint16_t outb_nb_crypto_qs = 1;
 255         uint16_t outb_nb_desc = 8200;
 256         struct sdp_channel sdp_chan;
 257         uint16_t rss_tag_as_xor = 0;
 258         uint16_t scalar_enable = 0;
 259         uint8_t lock_rx_ctx = 0;
 260         struct rte_kvargs *kvlist;
 261
 262         memset(&sdp_chan, 0, sizeof(sdp_chan));
 263         memset(&pre_l2_info, 0, sizeof(struct flow_pre_l2_size_info));
 264
 265         if (devargs == NULL)
 266                 goto null_devargs;
 267
 268         kvlist = rte_kvargs_parse(devargs->args, NULL);
 269         if (kvlist == NULL)
 270                 goto exit;
 271
 272         rte_kvargs_process(kvlist, CNXK_RSS_RETA_SIZE, &parse_reta_size,
 273                            &reta_sz);
 274         rte_kvargs_process(kvlist, CNXK_SCL_ENABLE, &parse_flag,
 275                            &scalar_enable);
 276         rte_kvargs_process(kvlist, CNXK_MAX_SQB_COUNT, &parse_sqb_count,
 277                            &sqb_count);
 278         rte_kvargs_process(kvlist, CNXK_FLOW_PREALLOC_SIZE,
 279                            &parse_flow_prealloc_size, &flow_prealloc_size);
 280         rte_kvargs_process(kvlist, CNXK_FLOW_MAX_PRIORITY,
 281                            &parse_flow_max_priority, &flow_max_priority);
 282         rte_kvargs_process(kvlist, CNXK_SWITCH_HEADER_TYPE,
 283                            &parse_switch_header_type, &switch_header_type);
 284         rte_kvargs_process(kvlist, CNXK_RSS_TAG_AS_XOR, &parse_flag,
 285                            &rss_tag_as_xor);
 286         rte_kvargs_process(kvlist, CNXK_LOCK_RX_CTX, &parse_flag, &lock_rx_ctx);
 287         rte_kvargs_process(kvlist, CNXK_IPSEC_IN_MAX_SPI,
 288                            &parse_ipsec_in_max_spi, &ipsec_in_max_spi);
 289         rte_kvargs_process(kvlist, CNXK_IPSEC_OUT_MAX_SA,
 290                            &parse_ipsec_out_max_sa, &ipsec_out_max_sa);
 291         rte_kvargs_process(kvlist, CNXK_OUTB_NB_DESC, &parse_outb_nb_desc,
 292                            &outb_nb_desc);
 293         rte_kvargs_process(kvlist, CNXK_OUTB_NB_CRYPTO_QS,
 294                            &parse_outb_nb_crypto_qs, &outb_nb_crypto_qs);
 295         rte_kvargs_process(kvlist, CNXK_FORCE_INB_INL_DEV, &parse_flag,
 296                            &force_inb_inl_dev);
 297         rte_kvargs_process(kvlist, CNXK_SDP_CHANNEL_MASK,
 298                            &parse_sdp_channel_mask, &sdp_chan);
 299         rte_kvargs_process(kvlist, CNXK_FLOW_PRE_L2_INFO,
 300                            &parse_pre_l2_hdr_info, &pre_l2_info);
 301         rte_kvargs_free(kvlist);
 302
 303 null_devargs:
 304         dev->scalar_ena = !!scalar_enable;
 305         dev->inb.force_inl_dev = !!force_inb_inl_dev;
 306         dev->inb.max_spi = ipsec_in_max_spi;
 307         dev->outb.max_sa = ipsec_out_max_sa;
 308         dev->outb.nb_desc = outb_nb_desc;
 309         dev->outb.nb_crypto_qs = outb_nb_crypto_qs;
 310         dev->nix.ipsec_in_max_spi = ipsec_in_max_spi;
 311         dev->nix.ipsec_out_max_sa = ipsec_out_max_sa;
 312         dev->nix.rss_tag_as_xor = !!rss_tag_as_xor;
 313         dev->nix.max_sqb_count = sqb_count;
 314         dev->nix.reta_sz = reta_sz;
 315         dev->nix.lock_rx_ctx = lock_rx_ctx;
 316         dev->npc.flow_prealloc_size = flow_prealloc_size;
 317         dev->npc.flow_max_priority = flow_max_priority;
 318         dev->npc.switch_header_type = switch_header_type;
 319         dev->npc.sdp_channel = sdp_chan.channel;
 320         dev->npc.sdp_channel_mask = sdp_chan.mask;
 321         dev->npc.is_sdp_mask_set = sdp_chan.is_sdp_mask_set;
 322         dev->npc.pre_l2_size_offset = pre_l2_info.pre_l2_size_off;
 323         dev->npc.pre_l2_size_offset_mask = pre_l2_info.pre_l2_size_off_mask;
 324         dev->npc.pre_l2_size_shift_dir = pre_l2_info.pre_l2_size_shift_dir;
 325         return 0;
 326 exit:
 327         return -EINVAL;
 328 }
 329
 330 RTE_PMD_REGISTER_PARAM_STRING(net_cnxk,
 331                               CNXK_RSS_RETA_SIZE "=<64|128|256>"
 332                               CNXK_SCL_ENABLE "=1"
 333                               CNXK_MAX_SQB_COUNT "=<8-512>"
 334                               CNXK_FLOW_PREALLOC_SIZE "=<1-32>"
 335                               CNXK_FLOW_MAX_PRIORITY "=<1-32>"
 336                               CNXK_SWITCH_HEADER_TYPE "=<higig2|dsa|chlen90b>"
 337                               CNXK_RSS_TAG_AS_XOR "=1"
 338                               CNXK_IPSEC_IN_MAX_SPI "=<1-65535>"
 339                               CNXK_OUTB_NB_DESC "=<1-65535>"
 340                               CNXK_FLOW_PRE_L2_INFO "=<0-255>/<1-255>/<0-1>"
 341                               CNXK_OUTB_NB_CRYPTO_QS "=<1-64>"
 342                               CNXK_FORCE_INB_INL_DEV "=1"
 343                               CNXK_SDP_CHANNEL_MASK "=<1-4095>/<1-4095>");