drivers/net/ice/base/ice_flow.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2001-2020 Intel Corporation
   3  */
   4
   5 #ifndef _ICE_FLOW_H_
   6 #define _ICE_FLOW_H_
   7
   8 #include "ice_flex_type.h"
   9 #include "ice_acl.h"
  10 #define ICE_IPV4_MAKE_PREFIX_MASK(prefix) ((u32)(~0) << (32 - (prefix)))
  11 #define ICE_FLOW_PROF_ID_INVAL          0xfffffffffffffffful
  12 #define ICE_FLOW_PROF_ID_BYPASS         0
  13 #define ICE_FLOW_PROF_ID_DEFAULT        1
  14 #define ICE_FLOW_ENTRY_HANDLE_INVAL     0
  15 #define ICE_FLOW_VSI_INVAL              0xffff
  16 #define ICE_FLOW_FLD_OFF_INVAL          0xffff
  17
  18 /* Generate flow hash field from flow field type(s) */
  19 #define ICE_FLOW_HASH_ETH       \
  20         (BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_DA) | \
  21          BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_SA))
  22 #define ICE_FLOW_HASH_IPV4      \
  23         (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) | \
  24          BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA))
  25 #define ICE_FLOW_HASH_IPV6      \
  26         (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) | \
  27          BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA))
  28 #define ICE_FLOW_HASH_TCP_PORT  \
  29         (BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT) | \
  30          BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT))
  31 #define ICE_FLOW_HASH_UDP_PORT  \
  32         (BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT) | \
  33          BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT))
  34 #define ICE_FLOW_HASH_SCTP_PORT \
  35         (BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT) | \
  36          BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT))
  37
  38 #define ICE_HASH_INVALID        0
  39 #define ICE_HASH_TCP_IPV4       (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_TCP_PORT)
  40 #define ICE_HASH_TCP_IPV6       (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_TCP_PORT)
  41 #define ICE_HASH_UDP_IPV4       (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_UDP_PORT)
  42 #define ICE_HASH_UDP_IPV6       (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_UDP_PORT)
  43 #define ICE_HASH_SCTP_IPV4      (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_SCTP_PORT)
  44 #define ICE_HASH_SCTP_IPV6      (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_SCTP_PORT)
  45
  46 #define ICE_FLOW_HASH_GTP_TEID \
  47         (BIT_ULL(ICE_FLOW_FIELD_IDX_GTPC_TEID))
  48
  49 #define ICE_FLOW_HASH_GTP_IPV4_TEID \
  50         (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_GTP_TEID)
  51 #define ICE_FLOW_HASH_GTP_IPV6_TEID \
  52         (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_GTP_TEID)
  53
  54 #define ICE_FLOW_HASH_GTP_U_TEID \
  55         (BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_IP_TEID))
  56
  57 #define ICE_FLOW_HASH_GTP_U_IPV4_TEID \
  58         (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_GTP_U_TEID)
  59 #define ICE_FLOW_HASH_GTP_U_IPV6_TEID \
  60         (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_GTP_U_TEID)
  61
  62 #define ICE_FLOW_HASH_GTP_U_EH_TEID \
  63         (BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_EH_TEID))
  64
  65 #define ICE_FLOW_HASH_GTP_U_EH_QFI \
  66         (BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_EH_QFI))
  67
  68 #define ICE_FLOW_HASH_GTP_U_IPV4_EH \
  69         (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_GTP_U_EH_TEID | \
  70          ICE_FLOW_HASH_GTP_U_EH_QFI)
  71 #define ICE_FLOW_HASH_GTP_U_IPV6_EH \
  72         (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_GTP_U_EH_TEID | \
  73          ICE_FLOW_HASH_GTP_U_EH_QFI)
  74
  75 #define ICE_FLOW_HASH_PPPOE_SESS_ID \
  76         (BIT_ULL(ICE_FLOW_FIELD_IDX_PPPOE_SESS_ID))
  77
  78 #define ICE_FLOW_HASH_PPPOE_SESS_ID_ETH \
  79         (ICE_FLOW_HASH_ETH | ICE_FLOW_HASH_PPPOE_SESS_ID)
  80 #define ICE_FLOW_HASH_PPPOE_TCP_ID \
  81         (ICE_FLOW_HASH_TCP_PORT | ICE_FLOW_HASH_PPPOE_SESS_ID)
  82 #define ICE_FLOW_HASH_PPPOE_UDP_ID \
  83         (ICE_FLOW_HASH_UDP_PORT | ICE_FLOW_HASH_PPPOE_SESS_ID)
  84
  85 #define ICE_FLOW_HASH_PFCP_SEID \
  86         (BIT_ULL(ICE_FLOW_FIELD_IDX_PFCP_SEID))
  87 #define ICE_FLOW_HASH_PFCP_IPV4_SEID \
  88         (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_PFCP_SEID)
  89 #define ICE_FLOW_HASH_PFCP_IPV6_SEID \
  90         (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_PFCP_SEID)
  91
  92 #define ICE_FLOW_HASH_L2TPV3_SESS_ID \
  93         (BIT_ULL(ICE_FLOW_FIELD_IDX_L2TPV3_SESS_ID))
  94 #define ICE_FLOW_HASH_L2TPV3_IPV4_SESS_ID \
  95         (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_L2TPV3_SESS_ID)
  96 #define ICE_FLOW_HASH_L2TPV3_IPV6_SESS_ID \
  97         (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_L2TPV3_SESS_ID)
  98
  99 #define ICE_FLOW_HASH_ESP_SPI \
 100         (BIT_ULL(ICE_FLOW_FIELD_IDX_ESP_SPI))
 101 #define ICE_FLOW_HASH_ESP_IPV4_SPI \
 102         (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_ESP_SPI)
 103 #define ICE_FLOW_HASH_ESP_IPV6_SPI \
 104         (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_ESP_SPI)
 105
 106 #define ICE_FLOW_HASH_AH_SPI \
 107         (BIT_ULL(ICE_FLOW_FIELD_IDX_AH_SPI))
 108 #define ICE_FLOW_HASH_AH_IPV4_SPI \
 109         (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_AH_SPI)
 110 #define ICE_FLOW_HASH_AH_IPV6_SPI \
 111         (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_AH_SPI)
 112
 113 #define ICE_FLOW_HASH_NAT_T_ESP_SPI \
 114         (BIT_ULL(ICE_FLOW_FIELD_IDX_NAT_T_ESP_SPI))
 115 #define ICE_FLOW_HASH_NAT_T_ESP_IPV4_SPI \
 116         (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_NAT_T_ESP_SPI)
 117 #define ICE_FLOW_HASH_NAT_T_ESP_IPV6_SPI \
 118         (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_NAT_T_ESP_SPI)
 119
 120 /* Protocol header fields within a packet segment. A segment consists of one or
 121  * more protocol headers that make up a logical group of protocol headers. Each
 122  * logical group of protocol headers encapsulates or is encapsulated using/by
 123  * tunneling or encapsulation protocols for network virtualization such as GRE,
 124  * VxLAN, etc.
 125  */
 126 enum ice_flow_seg_hdr {
 127         ICE_FLOW_SEG_HDR_NONE           = 0x00000000,
 128         ICE_FLOW_SEG_HDR_ETH            = 0x00000001,
 129         ICE_FLOW_SEG_HDR_VLAN           = 0x00000002,
 130         ICE_FLOW_SEG_HDR_IPV4           = 0x00000004,
 131         ICE_FLOW_SEG_HDR_IPV6           = 0x00000008,
 132         ICE_FLOW_SEG_HDR_ARP            = 0x00000010,
 133         ICE_FLOW_SEG_HDR_ICMP           = 0x00000020,
 134         ICE_FLOW_SEG_HDR_TCP            = 0x00000040,
 135         ICE_FLOW_SEG_HDR_UDP            = 0x00000080,
 136         ICE_FLOW_SEG_HDR_SCTP           = 0x00000100,
 137         ICE_FLOW_SEG_HDR_GRE            = 0x00000200,
 138         ICE_FLOW_SEG_HDR_GTPC           = 0x00000400,
 139         ICE_FLOW_SEG_HDR_GTPC_TEID      = 0x00000800,
 140         ICE_FLOW_SEG_HDR_GTPU_IP        = 0x00001000,
 141         ICE_FLOW_SEG_HDR_GTPU_EH        = 0x00002000,
 142         ICE_FLOW_SEG_HDR_GTPU_DWN       = 0x00004000,
 143         ICE_FLOW_SEG_HDR_GTPU_UP        = 0x00008000,
 144         ICE_FLOW_SEG_HDR_PPPOE          = 0x00010000,
 145         ICE_FLOW_SEG_HDR_PFCP_NODE      = 0x00020000,
 146         ICE_FLOW_SEG_HDR_PFCP_SESSION   = 0x00040000,
 147         ICE_FLOW_SEG_HDR_L2TPV3         = 0x00080000,
 148         ICE_FLOW_SEG_HDR_ESP            = 0x00100000,
 149         ICE_FLOW_SEG_HDR_AH             = 0x00200000,
 150         ICE_FLOW_SEG_HDR_NAT_T_ESP      = 0x00400000,
 151         ICE_FLOW_SEG_HDR_ETH_NON_IP     = 0x00800000,
 152 };
 153
 154 /* These segements all have the same PTYPES, but are otherwise distinguished by
 155  * the value of the gtp_eh_pdu and gtp_eh_pdu_link flags:
 156  *
 157  *                                gtp_eh_pdu     gtp_eh_pdu_link
 158  * ICE_FLOW_SEG_HDR_GTPU_IP           0              0
 159  * ICE_FLOW_SEG_HDR_GTPU_EH           1              don't care
 160  * ICE_FLOW_SEG_HDR_GTPU_DWN          1              0
 161  * ICE_FLOW_SEG_HDR_GTPU_UP           1              1
 162  */
 163 #define ICE_FLOW_SEG_HDR_GTPU (ICE_FLOW_SEG_HDR_GTPU_IP | \
 164                                ICE_FLOW_SEG_HDR_GTPU_EH | \
 165                                ICE_FLOW_SEG_HDR_GTPU_DWN | \
 166                                ICE_FLOW_SEG_HDR_GTPU_UP)
 167 #define ICE_FLOW_SEG_HDR_PFCP (ICE_FLOW_SEG_HDR_PFCP_NODE | \
 168                                ICE_FLOW_SEG_HDR_PFCP_SESSION)
 169
 170 enum ice_flow_field {
 171         /* L2 */
 172         ICE_FLOW_FIELD_IDX_ETH_DA,
 173         ICE_FLOW_FIELD_IDX_ETH_SA,
 174         ICE_FLOW_FIELD_IDX_S_VLAN,
 175         ICE_FLOW_FIELD_IDX_C_VLAN,
 176         ICE_FLOW_FIELD_IDX_ETH_TYPE,
 177         /* L3 */
 178         ICE_FLOW_FIELD_IDX_IPV4_DSCP,
 179         ICE_FLOW_FIELD_IDX_IPV6_DSCP,
 180         ICE_FLOW_FIELD_IDX_IPV4_TTL,
 181         ICE_FLOW_FIELD_IDX_IPV4_PROT,
 182         ICE_FLOW_FIELD_IDX_IPV6_TTL,
 183         ICE_FLOW_FIELD_IDX_IPV6_PROT,
 184         ICE_FLOW_FIELD_IDX_IPV4_SA,
 185         ICE_FLOW_FIELD_IDX_IPV4_DA,
 186         ICE_FLOW_FIELD_IDX_IPV6_SA,
 187         ICE_FLOW_FIELD_IDX_IPV6_DA,
 188         /* L4 */
 189         ICE_FLOW_FIELD_IDX_TCP_SRC_PORT,
 190         ICE_FLOW_FIELD_IDX_TCP_DST_PORT,
 191         ICE_FLOW_FIELD_IDX_UDP_SRC_PORT,
 192         ICE_FLOW_FIELD_IDX_UDP_DST_PORT,
 193         ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT,
 194         ICE_FLOW_FIELD_IDX_SCTP_DST_PORT,
 195         ICE_FLOW_FIELD_IDX_TCP_FLAGS,
 196         /* ARP */
 197         ICE_FLOW_FIELD_IDX_ARP_SIP,
 198         ICE_FLOW_FIELD_IDX_ARP_DIP,
 199         ICE_FLOW_FIELD_IDX_ARP_SHA,
 200         ICE_FLOW_FIELD_IDX_ARP_DHA,
 201         ICE_FLOW_FIELD_IDX_ARP_OP,
 202         /* ICMP */
 203         ICE_FLOW_FIELD_IDX_ICMP_TYPE,
 204         ICE_FLOW_FIELD_IDX_ICMP_CODE,
 205         /* GRE */
 206         ICE_FLOW_FIELD_IDX_GRE_KEYID,
 207         /* GTPC_TEID */
 208         ICE_FLOW_FIELD_IDX_GTPC_TEID,
 209         /* GTPU_IP */
 210         ICE_FLOW_FIELD_IDX_GTPU_IP_TEID,
 211         /* GTPU_EH */
 212         ICE_FLOW_FIELD_IDX_GTPU_EH_TEID,
 213         ICE_FLOW_FIELD_IDX_GTPU_EH_QFI,
 214         /* GTPU_UP */
 215         ICE_FLOW_FIELD_IDX_GTPU_UP_TEID,
 216         /* GTPU_DWN */
 217         ICE_FLOW_FIELD_IDX_GTPU_DWN_TEID,
 218         /* PPPOE */
 219         ICE_FLOW_FIELD_IDX_PPPOE_SESS_ID,
 220         /* PFCP */
 221         ICE_FLOW_FIELD_IDX_PFCP_SEID,
 222         /* L2TPV3 */
 223         ICE_FLOW_FIELD_IDX_L2TPV3_SESS_ID,
 224         /* ESP */
 225         ICE_FLOW_FIELD_IDX_ESP_SPI,
 226         /* AH */
 227         ICE_FLOW_FIELD_IDX_AH_SPI,
 228         /* NAT_T ESP */
 229         ICE_FLOW_FIELD_IDX_NAT_T_ESP_SPI,
 230          /* The total number of enums must not exceed 64 */
 231         ICE_FLOW_FIELD_IDX_MAX
 232 };
 233
 234 /* Flow headers and fields for AVF support */
 235 enum ice_flow_avf_hdr_field {
 236         /* Values 0 - 28 are reserved for future use */
 237         ICE_AVF_FLOW_FIELD_INVALID              = 0,
 238         ICE_AVF_FLOW_FIELD_UNICAST_IPV4_UDP     = 29,
 239         ICE_AVF_FLOW_FIELD_MULTICAST_IPV4_UDP,
 240         ICE_AVF_FLOW_FIELD_IPV4_UDP,
 241         ICE_AVF_FLOW_FIELD_IPV4_TCP_SYN_NO_ACK,
 242         ICE_AVF_FLOW_FIELD_IPV4_TCP,
 243         ICE_AVF_FLOW_FIELD_IPV4_SCTP,
 244         ICE_AVF_FLOW_FIELD_IPV4_OTHER,
 245         ICE_AVF_FLOW_FIELD_FRAG_IPV4,
 246         /* Values 37-38 are reserved */
 247         ICE_AVF_FLOW_FIELD_UNICAST_IPV6_UDP     = 39,
 248         ICE_AVF_FLOW_FIELD_MULTICAST_IPV6_UDP,
 249         ICE_AVF_FLOW_FIELD_IPV6_UDP,
 250         ICE_AVF_FLOW_FIELD_IPV6_TCP_SYN_NO_ACK,
 251         ICE_AVF_FLOW_FIELD_IPV6_TCP,
 252         ICE_AVF_FLOW_FIELD_IPV6_SCTP,
 253         ICE_AVF_FLOW_FIELD_IPV6_OTHER,
 254         ICE_AVF_FLOW_FIELD_FRAG_IPV6,
 255         ICE_AVF_FLOW_FIELD_RSVD47,
 256         ICE_AVF_FLOW_FIELD_FCOE_OX,
 257         ICE_AVF_FLOW_FIELD_FCOE_RX,
 258         ICE_AVF_FLOW_FIELD_FCOE_OTHER,
 259         /* Values 51-62 are reserved */
 260         ICE_AVF_FLOW_FIELD_L2_PAYLOAD           = 63,
 261         ICE_AVF_FLOW_FIELD_MAX
 262 };
 263
 264 /* Supported RSS offloads  This macro is defined to support
 265  * VIRTCHNL_OP_GET_RSS_HENA_CAPS ops. PF driver sends the RSS hardware
 266  * capabilities to the caller of this ops.
 267  */
 268 #define ICE_DEFAULT_RSS_HENA ( \
 269         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_UDP) | \
 270         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_SCTP) | \
 271         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_TCP) | \
 272         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_OTHER) | \
 273         BIT_ULL(ICE_AVF_FLOW_FIELD_FRAG_IPV4) | \
 274         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_UDP) | \
 275         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_TCP) | \
 276         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_SCTP) | \
 277         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_OTHER) | \
 278         BIT_ULL(ICE_AVF_FLOW_FIELD_FRAG_IPV6) | \
 279         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_TCP_SYN_NO_ACK) | \
 280         BIT_ULL(ICE_AVF_FLOW_FIELD_UNICAST_IPV4_UDP) | \
 281         BIT_ULL(ICE_AVF_FLOW_FIELD_MULTICAST_IPV4_UDP) | \
 282         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_TCP_SYN_NO_ACK) | \
 283         BIT_ULL(ICE_AVF_FLOW_FIELD_UNICAST_IPV6_UDP) | \
 284         BIT_ULL(ICE_AVF_FLOW_FIELD_MULTICAST_IPV6_UDP))
 285
 286 enum ice_flow_dir {
 287         ICE_FLOW_DIR_UNDEFINED  = 0,
 288         ICE_FLOW_TX             = 0x01,
 289         ICE_FLOW_RX             = 0x02,
 290         ICE_FLOW_TX_RX          = ICE_FLOW_RX | ICE_FLOW_TX
 291 };
 292
 293 enum ice_flow_priority {
 294         ICE_FLOW_PRIO_LOW,
 295         ICE_FLOW_PRIO_NORMAL,
 296         ICE_FLOW_PRIO_HIGH
 297 };
 298
 299 #define ICE_FLOW_SEG_MAX                2
 300 #define ICE_FLOW_SEG_RAW_FLD_MAX        2
 301 #define ICE_FLOW_PROFILE_MAX            1024
 302 #define ICE_FLOW_SW_FIELD_VECTOR_MAX    48
 303 #define ICE_FLOW_ACL_FIELD_VECTOR_MAX   32
 304 #define ICE_FLOW_FV_EXTRACT_SZ          2
 305
 306 #define ICE_FLOW_SET_HDRS(seg, val)     ((seg)->hdrs |= (u32)(val))
 307
 308 struct ice_flow_seg_xtrct {
 309         u8 prot_id;     /* Protocol ID of extracted header field */
 310         u16 off;        /* Starting offset of the field in header in bytes */
 311         u8 idx;         /* Index of FV entry used */
 312         u8 disp;        /* Displacement of field in bits fr. FV entry's start */
 313         u16 mask;       /* Mask for field */
 314 };
 315
 316 enum ice_flow_fld_match_type {
 317         ICE_FLOW_FLD_TYPE_REG,          /* Value, mask */
 318         ICE_FLOW_FLD_TYPE_RANGE,        /* Value, mask, last (upper bound) */
 319         ICE_FLOW_FLD_TYPE_PREFIX,       /* IP address, prefix, size of prefix */
 320         ICE_FLOW_FLD_TYPE_SIZE,         /* Value, mask, size of match */
 321 };
 322
 323 struct ice_flow_fld_loc {
 324         /* Describe offsets of field information relative to the beginning of
 325          * input buffer provided when adding flow entries.
 326          */
 327         u16 val;        /* Offset where the value is located */
 328         u16 mask;       /* Offset where the mask/prefix value is located */
 329         u16 last;       /* Length or offset where the upper value is located */
 330 };
 331
 332 struct ice_flow_fld_info {
 333         enum ice_flow_fld_match_type type;
 334         /* Location where to retrieve data from an input buffer */
 335         struct ice_flow_fld_loc src;
 336         /* Location where to put the data into the final entry buffer */
 337         struct ice_flow_fld_loc entry;
 338         struct ice_flow_seg_xtrct xtrct;
 339 };
 340
 341 struct ice_flow_seg_fld_raw {
 342         struct ice_flow_fld_info info;
 343         u16 off;        /* Offset from the start of the segment */
 344 };
 345
 346 struct ice_flow_seg_info {
 347         u32 hdrs;       /* Bitmask indicating protocol headers present */
 348         u64 match;      /* Bitmask indicating header fields to be matched */
 349         u64 range;      /* Bitmask indicating header fields matched as ranges */
 350
 351         struct ice_flow_fld_info fields[ICE_FLOW_FIELD_IDX_MAX];
 352
 353         u8 raws_cnt;    /* Number of raw fields to be matched */
 354         struct ice_flow_seg_fld_raw raws[ICE_FLOW_SEG_RAW_FLD_MAX];
 355 };
 356
 357 /* This structure describes a flow entry, and is tracked only in this file */
 358 struct ice_flow_entry {
 359         struct LIST_ENTRY_TYPE l_entry;
 360
 361         u64 id;
 362         struct ice_flow_prof *prof;
 363         /* Action list */
 364         struct ice_flow_action *acts;
 365         /* Flow entry's content */
 366         void *entry;
 367         /* Range buffer (For ACL only) */
 368         struct ice_aqc_acl_profile_ranges *range_buf;
 369         enum ice_flow_priority priority;
 370         u16 vsi_handle;
 371         u16 entry_sz;
 372         /* Entry index in the ACL's scenario */
 373         u16 scen_entry_idx;
 374 #define ICE_FLOW_ACL_MAX_NUM_ACT        2
 375         u8 acts_cnt;
 376 };
 377
 378 #define ICE_FLOW_ENTRY_HNDL(e)  ((unsigned long)e)
 379 #define ICE_FLOW_ENTRY_PTR(h)   ((struct ice_flow_entry *)(h))
 380
 381 struct ice_flow_prof {
 382         struct LIST_ENTRY_TYPE l_entry;
 383
 384         u64 id;
 385         enum ice_flow_dir dir;
 386         u8 segs_cnt;
 387         u8 acts_cnt;
 388
 389         /* Keep track of flow entries associated with this flow profile */
 390         struct ice_lock entries_lock;
 391         struct LIST_HEAD_TYPE entries;
 392
 393         struct ice_flow_seg_info segs[ICE_FLOW_SEG_MAX];
 394
 395         /* software VSI handles referenced by this flow profile */
 396         ice_declare_bitmap(vsis, ICE_MAX_VSI);
 397
 398         union {
 399                 /* struct sw_recipe */
 400                 struct ice_acl_scen *scen;
 401                 /* struct fd */
 402                 u32 data;
 403                 /* Symmetric Hash for RSS */
 404                 bool symm;
 405         } cfg;
 406
 407         /* Default actions */
 408         struct ice_flow_action *acts;
 409 };
 410
 411 struct ice_rss_cfg {
 412         struct LIST_ENTRY_TYPE l_entry;
 413         /* bitmap of VSIs added to the RSS entry */
 414         ice_declare_bitmap(vsis, ICE_MAX_VSI);
 415         u64 hashed_flds;
 416         u32 packet_hdr;
 417         bool symm;
 418 };
 419
 420 enum ice_flow_action_type {
 421         ICE_FLOW_ACT_NOP,
 422         ICE_FLOW_ACT_ALLOW,
 423         ICE_FLOW_ACT_DROP,
 424         ICE_FLOW_ACT_CNTR_PKT,
 425         ICE_FLOW_ACT_FWD_VSI,
 426         ICE_FLOW_ACT_FWD_VSI_LIST,      /* Should be abstracted away */
 427         ICE_FLOW_ACT_FWD_QUEUE,         /* Can Queues be abstracted away? */
 428         ICE_FLOW_ACT_FWD_QUEUE_GROUP,   /* Can Queues be abstracted away? */
 429         ICE_FLOW_ACT_PUSH,
 430         ICE_FLOW_ACT_POP,
 431         ICE_FLOW_ACT_MODIFY,
 432         ICE_FLOW_ACT_CNTR_BYTES,
 433         ICE_FLOW_ACT_CNTR_PKT_BYTES,
 434         ICE_FLOW_ACT_GENERIC_0,
 435         ICE_FLOW_ACT_GENERIC_1,
 436         ICE_FLOW_ACT_GENERIC_2,
 437         ICE_FLOW_ACT_GENERIC_3,
 438         ICE_FLOW_ACT_GENERIC_4,
 439         ICE_FLOW_ACT_RPT_FLOW_ID,
 440         ICE_FLOW_ACT_BUILD_PROF_IDX,
 441 };
 442
 443 struct ice_flow_action {
 444         enum ice_flow_action_type type;
 445         union {
 446                 struct ice_acl_act_entry acl_act;
 447                 u32 dummy;
 448         } data;
 449 };
 450
 451 u64
 452 ice_flow_find_prof(struct ice_hw *hw, enum ice_block blk, enum ice_flow_dir dir,
 453                    struct ice_flow_seg_info *segs, u8 segs_cnt);
 454 enum ice_status
 455 ice_flow_add_prof(struct ice_hw *hw, enum ice_block blk, enum ice_flow_dir dir,
 456                   u64 prof_id, struct ice_flow_seg_info *segs, u8 segs_cnt,
 457                   struct ice_flow_action *acts, u8 acts_cnt,
 458                   struct ice_flow_prof **prof);
 459 enum ice_status
 460 ice_flow_rem_prof(struct ice_hw *hw, enum ice_block blk, u64 prof_id);
 461 enum ice_status
 462 ice_flow_assoc_vsig_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi_handle,
 463                         u16 vsig);
 464 enum ice_status
 465 ice_flow_get_hw_prof(struct ice_hw *hw, enum ice_block blk, u64 prof_id,
 466                      u8 *hw_prof);
 467
 468 u64 ice_flow_find_entry(struct ice_hw *hw, enum ice_block blk, u64 entry_id);
 469 enum ice_status
 470 ice_flow_add_entry(struct ice_hw *hw, enum ice_block blk, u64 prof_id,
 471                    u64 entry_id, u16 vsi, enum ice_flow_priority prio,
 472                    void *data, struct ice_flow_action *acts, u8 acts_cnt,
 473                    u64 *entry_h);
 474 enum ice_status
 475 ice_flow_rem_entry(struct ice_hw *hw, enum ice_block blk, u64 entry_h);
 476 void
 477 ice_flow_set_fld(struct ice_flow_seg_info *seg, enum ice_flow_field fld,
 478                  u16 val_loc, u16 mask_loc, u16 last_loc, bool range);
 479 void
 480 ice_flow_set_fld_prefix(struct ice_flow_seg_info *seg, enum ice_flow_field fld,
 481                         u16 val_loc, u16 prefix_loc, u8 prefix_sz);
 482 void
 483 ice_flow_add_fld_raw(struct ice_flow_seg_info *seg, u16 off, u8 len,
 484                      u16 val_loc, u16 mask_loc);
 485 void ice_rem_vsi_rss_list(struct ice_hw *hw, u16 vsi_handle);
 486 enum ice_status ice_replay_rss_cfg(struct ice_hw *hw, u16 vsi_handle);
 487 enum ice_status
 488 ice_add_avf_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u64 hashed_flds);
 489 enum ice_status ice_rem_vsi_rss_cfg(struct ice_hw *hw, u16 vsi_handle);
 490 enum ice_status
 491 ice_add_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u64 hashed_flds,
 492                 u32 addl_hdrs, bool symm);
 493 enum ice_status
 494 ice_rem_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u64 hashed_flds,
 495                 u32 addl_hdrs);
 496 u64 ice_get_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u32 hdrs);
 497 #endif /* _ICE_FLOW_H_ */