drivers/net/ice/ice_hash.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2019 Intel Corporation
   3  */
   4
   5 #include <sys/queue.h>
   6 #include <stdio.h>
   7 #include <errno.h>
   8 #include <stdint.h>
   9 #include <string.h>
  10 #include <unistd.h>
  11 #include <stdarg.h>
  12
  13 #include <rte_debug.h>
  14 #include <rte_ether.h>
  15 #include <rte_ethdev_driver.h>
  16 #include <rte_log.h>
  17 #include <rte_malloc.h>
  18 #include <rte_eth_ctrl.h>
  19 #include <rte_tailq.h>
  20 #include <rte_flow_driver.h>
  21
  22 #include "ice_logs.h"
  23 #include "base/ice_type.h"
  24 #include "base/ice_flow.h"
  25 #include "ice_ethdev.h"
  26 #include "ice_generic_flow.h"
  27
  28 #define ICE_GTPU_EH_DWNLINK     0
  29 #define ICE_GTPU_EH_UPLINK      1
  30
  31 struct rss_type_match_hdr {
  32         uint32_t hdr_mask;
  33         uint64_t eth_rss_hint;
  34 };
  35
  36 struct ice_hash_match_type {
  37         uint64_t hash_type;
  38         uint64_t hash_flds;
  39 };
  40
  41 struct rss_meta {
  42         uint32_t pkt_hdr;
  43         uint64_t hash_flds;
  44         uint8_t hash_function;
  45 };
  46
  47 struct ice_hash_flow_cfg {
  48         bool simple_xor;
  49         struct ice_rss_cfg rss_cfg;
  50 };
  51
  52 static int
  53 ice_hash_init(struct ice_adapter *ad);
  54
  55 static int
  56 ice_hash_create(struct ice_adapter *ad,
  57                 struct rte_flow *flow,
  58                 void *meta,
  59                 struct rte_flow_error *error);
  60
  61 static int
  62 ice_hash_destroy(struct ice_adapter *ad,
  63                 struct rte_flow *flow,
  64                 struct rte_flow_error *error);
  65
  66 static void
  67 ice_hash_uninit(struct ice_adapter *ad);
  68
  69 static void
  70 ice_hash_free(struct rte_flow *flow);
  71
  72 static int
  73 ice_hash_parse_pattern_action(struct ice_adapter *ad,
  74                         struct ice_pattern_match_item *array,
  75                         uint32_t array_len,
  76                         const struct rte_flow_item pattern[],
  77                         const struct rte_flow_action actions[],
  78                         void **meta,
  79                         struct rte_flow_error *error);
  80
  81 /* The first member is protocol header, the second member is ETH_RSS_*. */
  82 struct rss_type_match_hdr hint_empty = {
  83         ICE_FLOW_SEG_HDR_NONE,  0};
  84 struct rss_type_match_hdr hint_eth_ipv4 = {
  85         ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER,
  86         ETH_RSS_ETH | ETH_RSS_IPV4};
  87 struct rss_type_match_hdr hint_eth_ipv4_udp = {
  88         ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
  89         ICE_FLOW_SEG_HDR_UDP,
  90         ETH_RSS_ETH | ETH_RSS_NONFRAG_IPV4_UDP};
  91 struct rss_type_match_hdr hint_eth_ipv4_tcp = {
  92         ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
  93         ICE_FLOW_SEG_HDR_TCP,
  94         ETH_RSS_ETH | ETH_RSS_NONFRAG_IPV4_TCP};
  95 struct rss_type_match_hdr hint_eth_ipv4_sctp = {
  96         ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
  97         ICE_FLOW_SEG_HDR_SCTP,
  98         ETH_RSS_ETH | ETH_RSS_NONFRAG_IPV4_SCTP};
  99 struct rss_type_match_hdr hint_eth_ipv4_gtpu_ipv4 = {
 100         ICE_FLOW_SEG_HDR_GTPU_IP | ICE_FLOW_SEG_HDR_IPV4 |
 101         ICE_FLOW_SEG_HDR_IPV_OTHER,
 102         ETH_RSS_GTPU | ETH_RSS_IPV4};
 103 struct rss_type_match_hdr hint_eth_ipv4_gtpu_eh_ipv4 = {
 104         ICE_FLOW_SEG_HDR_GTPU_EH | ICE_FLOW_SEG_HDR_IPV4 |
 105         ICE_FLOW_SEG_HDR_IPV_OTHER,
 106         ETH_RSS_GTPU | ETH_RSS_IPV4};
 107 struct rss_type_match_hdr hint_eth_ipv4_gtpu_eh_ipv4_udp = {
 108         ICE_FLOW_SEG_HDR_GTPU_EH | ICE_FLOW_SEG_HDR_IPV4 |
 109         ICE_FLOW_SEG_HDR_IPV_OTHER | ICE_FLOW_SEG_HDR_UDP,
 110         ETH_RSS_GTPU | ETH_RSS_NONFRAG_IPV4_UDP};
 111 struct rss_type_match_hdr hint_eth_ipv4_gtpu_eh_ipv4_tcp = {
 112         ICE_FLOW_SEG_HDR_GTPU_EH | ICE_FLOW_SEG_HDR_IPV4 |
 113         ICE_FLOW_SEG_HDR_IPV_OTHER | ICE_FLOW_SEG_HDR_TCP,
 114         ETH_RSS_GTPU | ETH_RSS_NONFRAG_IPV4_TCP};
 115 struct rss_type_match_hdr hint_eth_pppoes_ipv4 = {
 116         ICE_FLOW_SEG_HDR_PPPOE,
 117         ETH_RSS_ETH | ETH_RSS_PPPOE | ETH_RSS_IPV4};
 118 struct rss_type_match_hdr hint_eth_pppoes_ipv4_udp = {
 119         ICE_FLOW_SEG_HDR_PPPOE,
 120         ETH_RSS_ETH | ETH_RSS_PPPOE | ETH_RSS_NONFRAG_IPV4_UDP};
 121 struct rss_type_match_hdr hint_eth_pppoes_ipv4_tcp = {
 122         ICE_FLOW_SEG_HDR_PPPOE,
 123         ETH_RSS_ETH | ETH_RSS_PPPOE | ETH_RSS_NONFRAG_IPV4_TCP};
 124 struct rss_type_match_hdr hint_eth_pppoes_ipv4_sctp = {
 125         ICE_FLOW_SEG_HDR_PPPOE,
 126         ETH_RSS_ETH | ETH_RSS_PPPOE | ETH_RSS_NONFRAG_IPV4_SCTP};
 127 struct rss_type_match_hdr hint_eth_ipv4_esp = {
 128         ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 129         ICE_FLOW_SEG_HDR_ESP,
 130         ETH_RSS_ETH | ETH_RSS_IPV4 | ETH_RSS_ESP};
 131 struct rss_type_match_hdr hint_eth_ipv4_udp_esp = {
 132         ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 133         ICE_FLOW_SEG_HDR_NAT_T_ESP,
 134         ETH_RSS_ETH | ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_ESP};
 135 struct rss_type_match_hdr hint_eth_ipv4_ah = {
 136         ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 137         ICE_FLOW_SEG_HDR_AH,
 138         ETH_RSS_ETH | ETH_RSS_IPV4 | ETH_RSS_AH};
 139 struct rss_type_match_hdr hint_eth_ipv4_l2tpv3 = {
 140         ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 141         ICE_FLOW_SEG_HDR_L2TPV3,
 142         ETH_RSS_ETH | ETH_RSS_IPV4 | ETH_RSS_L2TPV3};
 143 struct rss_type_match_hdr hint_eth_ipv4_pfcp = {
 144         ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 145         ICE_FLOW_SEG_HDR_PFCP_SESSION,
 146         ETH_RSS_ETH | ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_PFCP};
 147 struct rss_type_match_hdr hint_eth_vlan_ipv4 = {
 148         ICE_FLOW_SEG_HDR_VLAN | ICE_FLOW_SEG_HDR_IPV4 |
 149         ICE_FLOW_SEG_HDR_IPV_OTHER,
 150         ETH_RSS_ETH | ETH_RSS_IPV4 | ETH_RSS_C_VLAN};
 151 struct rss_type_match_hdr hint_eth_vlan_ipv4_udp = {
 152         ICE_FLOW_SEG_HDR_VLAN | ICE_FLOW_SEG_HDR_IPV4 |
 153         ICE_FLOW_SEG_HDR_IPV_OTHER | ICE_FLOW_SEG_HDR_UDP,
 154         ETH_RSS_ETH | ETH_RSS_C_VLAN |
 155         ETH_RSS_NONFRAG_IPV4_UDP};
 156 struct rss_type_match_hdr hint_eth_vlan_ipv4_tcp = {
 157         ICE_FLOW_SEG_HDR_VLAN | ICE_FLOW_SEG_HDR_IPV4 |
 158         ICE_FLOW_SEG_HDR_IPV_OTHER | ICE_FLOW_SEG_HDR_TCP,
 159         ETH_RSS_ETH | ETH_RSS_C_VLAN |
 160         ETH_RSS_NONFRAG_IPV4_TCP};
 161 struct rss_type_match_hdr hint_eth_vlan_ipv4_sctp = {
 162         ICE_FLOW_SEG_HDR_VLAN | ICE_FLOW_SEG_HDR_IPV4 |
 163         ICE_FLOW_SEG_HDR_IPV_OTHER | ICE_FLOW_SEG_HDR_SCTP,
 164         ETH_RSS_ETH | ETH_RSS_C_VLAN |
 165         ETH_RSS_NONFRAG_IPV4_SCTP};
 166 struct rss_type_match_hdr hint_eth_ipv6 = {
 167         ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER,
 168         ETH_RSS_ETH | ETH_RSS_IPV6};
 169 struct rss_type_match_hdr hint_eth_ipv6_udp = {
 170         ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 171         ICE_FLOW_SEG_HDR_UDP,
 172         ETH_RSS_ETH | ETH_RSS_NONFRAG_IPV6_UDP};
 173 struct rss_type_match_hdr hint_eth_ipv6_tcp = {
 174         ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 175         ICE_FLOW_SEG_HDR_TCP,
 176         ETH_RSS_ETH | ETH_RSS_NONFRAG_IPV6_TCP};
 177 struct rss_type_match_hdr hint_eth_ipv6_sctp = {
 178         ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 179         ICE_FLOW_SEG_HDR_SCTP,
 180         ETH_RSS_ETH | ETH_RSS_NONFRAG_IPV6_SCTP};
 181 struct rss_type_match_hdr hint_eth_ipv6_esp = {
 182         ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 183         ICE_FLOW_SEG_HDR_ESP,
 184         ETH_RSS_ETH | ETH_RSS_IPV6 | ETH_RSS_ESP};
 185 struct rss_type_match_hdr hint_eth_ipv6_udp_esp = {
 186         ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 187         ICE_FLOW_SEG_HDR_NAT_T_ESP,
 188         ETH_RSS_ETH | ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_ESP};
 189 struct rss_type_match_hdr hint_eth_ipv6_ah = {
 190         ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 191         ICE_FLOW_SEG_HDR_AH,
 192         ETH_RSS_ETH | ETH_RSS_IPV6 | ETH_RSS_AH};
 193 struct rss_type_match_hdr hint_eth_ipv6_l2tpv3 = {
 194         ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 195         ICE_FLOW_SEG_HDR_L2TPV3,
 196         ETH_RSS_ETH | ETH_RSS_IPV6 | ETH_RSS_L2TPV3};
 197 struct rss_type_match_hdr hint_eth_ipv6_pfcp = {
 198         ICE_FLOW_SEG_HDR_IPV6 | ICE_FLOW_SEG_HDR_IPV_OTHER |
 199         ICE_FLOW_SEG_HDR_PFCP_SESSION,
 200         ETH_RSS_ETH | ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_PFCP};
 201 struct rss_type_match_hdr hint_eth_vlan_ipv6 = {
 202         ICE_FLOW_SEG_HDR_VLAN | ICE_FLOW_SEG_HDR_IPV6 |
 203         ICE_FLOW_SEG_HDR_IPV_OTHER,
 204         ETH_RSS_ETH | ETH_RSS_IPV6 | ETH_RSS_C_VLAN};
 205 struct rss_type_match_hdr hint_eth_vlan_ipv6_udp = {
 206         ICE_FLOW_SEG_HDR_VLAN | ICE_FLOW_SEG_HDR_IPV6 |
 207         ICE_FLOW_SEG_HDR_IPV_OTHER | ICE_FLOW_SEG_HDR_UDP,
 208         ETH_RSS_ETH | ETH_RSS_C_VLAN |
 209         ETH_RSS_NONFRAG_IPV6_UDP};
 210 struct rss_type_match_hdr hint_eth_vlan_ipv6_tcp = {
 211         ICE_FLOW_SEG_HDR_VLAN | ICE_FLOW_SEG_HDR_IPV6 |
 212         ICE_FLOW_SEG_HDR_IPV_OTHER | ICE_FLOW_SEG_HDR_TCP,
 213         ETH_RSS_ETH | ETH_RSS_C_VLAN |
 214         ETH_RSS_NONFRAG_IPV6_TCP};
 215 struct rss_type_match_hdr hint_eth_vlan_ipv6_sctp = {
 216         ICE_FLOW_SEG_HDR_VLAN | ICE_FLOW_SEG_HDR_IPV6 |
 217         ICE_FLOW_SEG_HDR_IPV_OTHER | ICE_FLOW_SEG_HDR_SCTP,
 218         ETH_RSS_ETH | ETH_RSS_C_VLAN |
 219         ETH_RSS_NONFRAG_IPV6_SCTP};
 220 struct rss_type_match_hdr hint_eth_pppoes_ipv6 = {
 221         ICE_FLOW_SEG_HDR_PPPOE,
 222         ETH_RSS_ETH | ETH_RSS_PPPOE | ETH_RSS_IPV6};
 223 struct rss_type_match_hdr hint_eth_pppoes_ipv6_udp = {
 224         ICE_FLOW_SEG_HDR_PPPOE,
 225         ETH_RSS_ETH | ETH_RSS_PPPOE | ETH_RSS_NONFRAG_IPV6_UDP};
 226 struct rss_type_match_hdr hint_eth_pppoes_ipv6_tcp = {
 227         ICE_FLOW_SEG_HDR_PPPOE,
 228         ETH_RSS_ETH | ETH_RSS_PPPOE | ETH_RSS_NONFRAG_IPV6_TCP};
 229 struct rss_type_match_hdr hint_eth_pppoes_ipv6_sctp = {
 230         ICE_FLOW_SEG_HDR_PPPOE,
 231         ETH_RSS_ETH | ETH_RSS_PPPOE | ETH_RSS_NONFRAG_IPV6_SCTP};
 232 struct rss_type_match_hdr hint_eth_pppoes = {
 233         ICE_FLOW_SEG_HDR_PPPOE,
 234         ETH_RSS_ETH | ETH_RSS_PPPOE};
 235
 236 /* Supported pattern for os default package. */
 237 static struct ice_pattern_match_item ice_hash_pattern_list_os[] = {
 238         {pattern_eth_ipv4,      ICE_INSET_NONE, &hint_eth_ipv4},
 239         {pattern_eth_ipv4_udp,  ICE_INSET_NONE, &hint_eth_ipv4_udp},
 240         {pattern_eth_ipv4_tcp,  ICE_INSET_NONE, &hint_eth_ipv4_tcp},
 241         {pattern_eth_ipv4_sctp, ICE_INSET_NONE, &hint_eth_ipv4_sctp},
 242         {pattern_eth_ipv6,      ICE_INSET_NONE, &hint_eth_ipv6},
 243         {pattern_eth_ipv6_udp,  ICE_INSET_NONE, &hint_eth_ipv6_udp},
 244         {pattern_eth_ipv6_tcp,  ICE_INSET_NONE, &hint_eth_ipv6_tcp},
 245         {pattern_eth_ipv6_sctp, ICE_INSET_NONE, &hint_eth_ipv6_sctp},
 246         {pattern_empty,         ICE_INSET_NONE, &hint_empty},
 247 };
 248
 249 /* Supported pattern for comms package. */
 250 static struct ice_pattern_match_item ice_hash_pattern_list_comms[] = {
 251         {pattern_empty,                     ICE_INSET_NONE,
 252                 &hint_empty},
 253         {pattern_eth_ipv4,                  ICE_INSET_NONE,
 254                 &hint_eth_ipv4},
 255         {pattern_eth_ipv4_udp,              ICE_INSET_NONE,
 256                 &hint_eth_ipv4_udp},
 257         {pattern_eth_ipv4_tcp,              ICE_INSET_NONE,
 258                 &hint_eth_ipv4_tcp},
 259         {pattern_eth_ipv4_sctp,             ICE_INSET_NONE,
 260                 &hint_eth_ipv4_sctp},
 261         {pattern_eth_ipv4_gtpu_ipv4,        ICE_INSET_NONE,
 262                 &hint_eth_ipv4_gtpu_ipv4},
 263         {pattern_eth_ipv4_gtpu_eh_ipv4,     ICE_INSET_NONE,
 264                 &hint_eth_ipv4_gtpu_eh_ipv4},
 265         {pattern_eth_ipv4_gtpu_eh_ipv4_udp, ICE_INSET_NONE,
 266                 &hint_eth_ipv4_gtpu_eh_ipv4_udp},
 267         {pattern_eth_ipv4_gtpu_eh_ipv4_tcp, ICE_INSET_NONE,
 268                 &hint_eth_ipv4_gtpu_eh_ipv4_tcp},
 269         {pattern_eth_pppoes_ipv4,           ICE_INSET_NONE,
 270                 &hint_eth_pppoes_ipv4},
 271         {pattern_eth_pppoes_ipv4_udp,       ICE_INSET_NONE,
 272                 &hint_eth_pppoes_ipv4_udp},
 273         {pattern_eth_pppoes_ipv4_tcp,       ICE_INSET_NONE,
 274                 &hint_eth_pppoes_ipv4_tcp},
 275         {pattern_eth_pppoes_ipv4_sctp,      ICE_INSET_NONE,
 276                 &hint_eth_pppoes_ipv4_sctp},
 277         {pattern_eth_ipv4_esp,              ICE_INSET_NONE,
 278                 &hint_eth_ipv4_esp},
 279         {pattern_eth_ipv4_udp_esp,          ICE_INSET_NONE,
 280                 &hint_eth_ipv4_udp_esp},
 281         {pattern_eth_ipv4_ah,               ICE_INSET_NONE,
 282                 &hint_eth_ipv4_ah},
 283         {pattern_eth_ipv4_l2tp,             ICE_INSET_NONE,
 284                 &hint_eth_ipv4_l2tpv3},
 285         {pattern_eth_ipv4_pfcp,             ICE_INSET_NONE,
 286                 &hint_eth_ipv4_pfcp},
 287         {pattern_eth_vlan_ipv4,             ICE_INSET_NONE,
 288                 &hint_eth_vlan_ipv4},
 289         {pattern_eth_vlan_ipv4_udp,         ICE_INSET_NONE,
 290                 &hint_eth_vlan_ipv4_udp},
 291         {pattern_eth_vlan_ipv4_tcp,         ICE_INSET_NONE,
 292                 &hint_eth_vlan_ipv4_tcp},
 293         {pattern_eth_vlan_ipv4_sctp,        ICE_INSET_NONE,
 294                 &hint_eth_vlan_ipv4_sctp},
 295         {pattern_eth_ipv6,                  ICE_INSET_NONE,
 296                 &hint_eth_ipv6},
 297         {pattern_eth_ipv6_udp,              ICE_INSET_NONE,
 298                 &hint_eth_ipv6_udp},
 299         {pattern_eth_ipv6_tcp,              ICE_INSET_NONE,
 300                 &hint_eth_ipv6_tcp},
 301         {pattern_eth_ipv6_sctp,             ICE_INSET_NONE,
 302                 &hint_eth_ipv6_sctp},
 303         {pattern_eth_ipv6_esp,              ICE_INSET_NONE,
 304                 &hint_eth_ipv6_esp},
 305         {pattern_eth_ipv6_udp_esp,          ICE_INSET_NONE,
 306                 &hint_eth_ipv6_udp_esp},
 307         {pattern_eth_ipv6_ah,               ICE_INSET_NONE,
 308                 &hint_eth_ipv6_ah},
 309         {pattern_eth_ipv6_l2tp,             ICE_INSET_NONE,
 310                 &hint_eth_ipv6_l2tpv3},
 311         {pattern_eth_ipv6_pfcp,             ICE_INSET_NONE,
 312                 &hint_eth_ipv6_pfcp},
 313         {pattern_eth_vlan_ipv6,             ICE_INSET_NONE,
 314                 &hint_eth_vlan_ipv6},
 315         {pattern_eth_vlan_ipv6_udp,         ICE_INSET_NONE,
 316                 &hint_eth_vlan_ipv6_udp},
 317         {pattern_eth_vlan_ipv6_tcp,         ICE_INSET_NONE,
 318                 &hint_eth_vlan_ipv6_tcp},
 319         {pattern_eth_vlan_ipv6_sctp,        ICE_INSET_NONE,
 320                 &hint_eth_vlan_ipv6_sctp},
 321         {pattern_eth_pppoes_ipv6,           ICE_INSET_NONE,
 322                 &hint_eth_pppoes_ipv6},
 323         {pattern_eth_pppoes_ipv6_udp,       ICE_INSET_NONE,
 324                 &hint_eth_pppoes_ipv6_udp},
 325         {pattern_eth_pppoes_ipv6_tcp,       ICE_INSET_NONE,
 326                 &hint_eth_pppoes_ipv6_tcp},
 327         {pattern_eth_pppoes_ipv6_sctp,      ICE_INSET_NONE,
 328                 &hint_eth_pppoes_ipv6_sctp},
 329         {pattern_eth_pppoes,                ICE_INSET_NONE,
 330                 &hint_eth_pppoes},
 331 };
 332
 333 /**
 334  * The first member is input set combination,
 335  * the second member is hash fields.
 336  */
 337 struct ice_hash_match_type ice_hash_type_list[] = {
 338         {ETH_RSS_L2_SRC_ONLY,
 339                 BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_SA)},
 340         {ETH_RSS_L2_DST_ONLY,
 341                 BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_DA)},
 342         {ETH_RSS_ETH | ETH_RSS_L2_SRC_ONLY,
 343                 BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_SA)},
 344         {ETH_RSS_ETH | ETH_RSS_L2_DST_ONLY,
 345                 BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_DA)},
 346         {ETH_RSS_ETH,
 347                 BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_SA) |
 348                 BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_DA)},
 349         {ETH_RSS_PPPOE,
 350                 ICE_FLOW_HASH_PPPOE_SESS_ID},
 351         {ETH_RSS_ETH | ETH_RSS_PPPOE | ETH_RSS_L2_SRC_ONLY,
 352                 ICE_FLOW_HASH_PPPOE_SESS_ID |
 353                 BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_SA)},
 354         {ETH_RSS_C_VLAN,
 355                 BIT_ULL(ICE_FLOW_FIELD_IDX_C_VLAN)},
 356         {ETH_RSS_S_VLAN,
 357                 BIT_ULL(ICE_FLOW_FIELD_IDX_S_VLAN)},
 358         {ETH_RSS_ESP,
 359                 BIT_ULL(ICE_FLOW_FIELD_IDX_ESP_SPI)},
 360         {ETH_RSS_AH,
 361                 BIT_ULL(ICE_FLOW_FIELD_IDX_AH_SPI)},
 362         {ETH_RSS_L2TPV3,
 363                 BIT_ULL(ICE_FLOW_FIELD_IDX_L2TPV3_SESS_ID)},
 364         {ETH_RSS_PFCP,
 365                 BIT_ULL(ICE_FLOW_FIELD_IDX_PFCP_SEID)},
 366         /* IPV4 */
 367         {ETH_RSS_IPV4 | ETH_RSS_L3_SRC_ONLY,
 368                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)},
 369         {ETH_RSS_IPV4 | ETH_RSS_L3_DST_ONLY,
 370                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)},
 371         {ETH_RSS_IPV4, ICE_FLOW_HASH_IPV4},
 372         {ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_SRC_ONLY,
 373                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) |
 374                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_PROT) |
 375                 BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT)},
 376         {ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_DST_ONLY,
 377                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) |
 378                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_PROT) |
 379                 BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT)},
 380         {ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_L3_SRC_ONLY,
 381                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)},
 382         {ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_SRC_ONLY,
 383                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA) |
 384                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_PROT) |
 385                 BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT)},
 386         {ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_DST_ONLY,
 387                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA) |
 388                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_PROT) |
 389                 BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT)},
 390         {ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_L3_DST_ONLY,
 391                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)},
 392         {ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_L4_SRC_ONLY,
 393                 BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT) |
 394                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_PROT)},
 395         {ETH_RSS_NONFRAG_IPV4_UDP | ETH_RSS_L4_DST_ONLY,
 396                 BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT) |
 397                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_PROT)},
 398         {ETH_RSS_NONFRAG_IPV4_UDP,
 399                 ICE_HASH_UDP_IPV4 |
 400                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_PROT)},
 401         {ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_SRC_ONLY,
 402                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) |
 403                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_PROT) |
 404                 BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT)},
 405         {ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_DST_ONLY,
 406                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) |
 407                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_PROT) |
 408                 BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT)},
 409         {ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_L3_SRC_ONLY,
 410                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)},
 411         {ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_SRC_ONLY,
 412                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA) |
 413                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_PROT) |
 414                 BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT)},
 415         {ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_DST_ONLY,
 416                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA) |
 417                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_PROT) |
 418                 BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT)},
 419         {ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_L3_DST_ONLY,
 420                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)},
 421         {ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_L4_SRC_ONLY,
 422                 BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT) |
 423                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_PROT)},
 424         {ETH_RSS_NONFRAG_IPV4_TCP | ETH_RSS_L4_DST_ONLY,
 425                 BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT) |
 426                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_PROT)},
 427         {ETH_RSS_NONFRAG_IPV4_TCP,
 428                 ICE_HASH_TCP_IPV4 |
 429                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_PROT)},
 430         {ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_SRC_ONLY,
 431                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) |
 432                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_PROT) |
 433                 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT)},
 434         {ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_DST_ONLY,
 435                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) |
 436                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_PROT) |
 437                 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT)},
 438         {ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_L3_SRC_ONLY,
 439                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)},
 440         {ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_SRC_ONLY,
 441                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA) |
 442                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_PROT) |
 443                 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT)},
 444         {ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_DST_ONLY,
 445                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA) |
 446                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_PROT) |
 447                 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT)},
 448         {ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_L3_DST_ONLY,
 449                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)},
 450         {ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_L4_SRC_ONLY,
 451                 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT) |
 452                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_PROT)},
 453         {ETH_RSS_NONFRAG_IPV4_SCTP | ETH_RSS_L4_DST_ONLY,
 454                 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT) |
 455                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_PROT)},
 456         {ETH_RSS_NONFRAG_IPV4_SCTP,
 457                 ICE_HASH_SCTP_IPV4 |
 458                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_PROT)},
 459         /* IPV6 */
 460         {ETH_RSS_IPV6 | ETH_RSS_L3_SRC_ONLY,
 461                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)},
 462         {ETH_RSS_IPV6 | ETH_RSS_L3_DST_ONLY,
 463                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)},
 464         {ETH_RSS_IPV6, ICE_FLOW_HASH_IPV6},
 465         {ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_SRC_ONLY,
 466                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) |
 467                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PROT) |
 468                 BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT)},
 469         {ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_DST_ONLY,
 470                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) |
 471                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PROT) |
 472                 BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT)},
 473         {ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_L3_SRC_ONLY,
 474                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)},
 475         {ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_SRC_ONLY,
 476                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA) |
 477                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PROT) |
 478                 BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT)},
 479         {ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_DST_ONLY,
 480                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA) |
 481                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PROT) |
 482                 BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT)},
 483         {ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_L3_DST_ONLY,
 484                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)},
 485         {ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_L4_SRC_ONLY,
 486                 BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT) |
 487                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PROT)},
 488         {ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_L4_DST_ONLY,
 489                 BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT) |
 490                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PROT)},
 491         {ETH_RSS_NONFRAG_IPV6_UDP | ETH_RSS_PFCP,
 492                 BIT_ULL(ICE_FLOW_FIELD_IDX_PFCP_SEID)},
 493         {ETH_RSS_NONFRAG_IPV6_UDP,
 494                 ICE_HASH_UDP_IPV6 |
 495                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PROT)},
 496         {ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_SRC_ONLY,
 497                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) |
 498                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PROT) |
 499                 BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT)},
 500         {ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_DST_ONLY,
 501                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) |
 502                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PROT) |
 503                 BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT)},
 504         {ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_L3_SRC_ONLY,
 505                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)},
 506         {ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_SRC_ONLY,
 507                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA) |
 508                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PROT) |
 509                 BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT)},
 510         {ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_DST_ONLY,
 511                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA) |
 512                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PROT) |
 513                 BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT)},
 514         {ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_L3_DST_ONLY,
 515                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)},
 516         {ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_L4_SRC_ONLY,
 517                 BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT) |
 518                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PROT)},
 519         {ETH_RSS_NONFRAG_IPV6_TCP | ETH_RSS_L4_DST_ONLY,
 520                 BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT) |
 521                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PROT)},
 522         {ETH_RSS_NONFRAG_IPV6_TCP,
 523                 ICE_HASH_TCP_IPV6 |
 524                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PROT)},
 525         {ETH_RSS_NONFRAG_IPV6_SCTP | ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_SRC_ONLY,
 526                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) |
 527                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PROT) |
 528                 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT)},
 529         {ETH_RSS_NONFRAG_IPV6_SCTP | ETH_RSS_L3_SRC_ONLY | ETH_RSS_L4_DST_ONLY,
 530                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) |
 531                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PROT) |
 532                 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT)},
 533         {ETH_RSS_NONFRAG_IPV6_SCTP | ETH_RSS_L3_SRC_ONLY,
 534                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)},
 535         {ETH_RSS_NONFRAG_IPV6_SCTP | ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_SRC_ONLY,
 536                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA) |
 537                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PROT) |
 538                 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT)},
 539         {ETH_RSS_NONFRAG_IPV6_SCTP | ETH_RSS_L3_DST_ONLY | ETH_RSS_L4_DST_ONLY,
 540                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA) |
 541                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PROT) |
 542                 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT)},
 543         {ETH_RSS_NONFRAG_IPV6_SCTP | ETH_RSS_L3_DST_ONLY,
 544                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)},
 545         {ETH_RSS_NONFRAG_IPV6_SCTP | ETH_RSS_L4_SRC_ONLY,
 546                 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT) |
 547                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PROT)},
 548         {ETH_RSS_NONFRAG_IPV6_SCTP | ETH_RSS_L4_DST_ONLY,
 549                 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT) |
 550                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PROT)},
 551         {ETH_RSS_NONFRAG_IPV6_SCTP,
 552                 ICE_HASH_SCTP_IPV6 |
 553                 BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PROT)},
 554 };
 555
 556 static struct ice_flow_engine ice_hash_engine = {
 557         .init = ice_hash_init,
 558         .create = ice_hash_create,
 559         .destroy = ice_hash_destroy,
 560         .uninit = ice_hash_uninit,
 561         .free = ice_hash_free,
 562         .type = ICE_FLOW_ENGINE_HASH,
 563 };
 564
 565 /* Register parser for os package. */
 566 static struct ice_flow_parser ice_hash_parser_os = {
 567         .engine = &ice_hash_engine,
 568         .array = ice_hash_pattern_list_os,
 569         .array_len = RTE_DIM(ice_hash_pattern_list_os),
 570         .parse_pattern_action = ice_hash_parse_pattern_action,
 571         .stage = ICE_FLOW_STAGE_RSS,
 572 };
 573
 574 /* Register parser for comms package. */
 575 static struct ice_flow_parser ice_hash_parser_comms = {
 576         .engine = &ice_hash_engine,
 577         .array = ice_hash_pattern_list_comms,
 578         .array_len = RTE_DIM(ice_hash_pattern_list_comms),
 579         .parse_pattern_action = ice_hash_parse_pattern_action,
 580         .stage = ICE_FLOW_STAGE_RSS,
 581 };
 582
 583 RTE_INIT(ice_hash_engine_init)
 584 {
 585         struct ice_flow_engine *engine = &ice_hash_engine;
 586         ice_register_flow_engine(engine);
 587 }
 588
 589 static int
 590 ice_hash_init(struct ice_adapter *ad)
 591 {
 592         struct ice_flow_parser *parser = NULL;
 593
 594         if (ad->hw.dcf_enabled)
 595                 return 0;
 596
 597         if (ad->active_pkg_type == ICE_PKG_TYPE_OS_DEFAULT)
 598                 parser = &ice_hash_parser_os;
 599         else if (ad->active_pkg_type == ICE_PKG_TYPE_COMMS)
 600                 parser = &ice_hash_parser_comms;
 601         else
 602                 return -EINVAL;
 603
 604         return ice_register_parser(parser, ad);
 605 }
 606
 607 static int
 608 ice_hash_parse_pattern(struct ice_pattern_match_item *pattern_match_item,
 609                        const struct rte_flow_item pattern[], void **meta,
 610                        struct rte_flow_error *error)
 611 {
 612         uint32_t hdr_mask = ((struct rss_type_match_hdr *)
 613                 (pattern_match_item->meta))->hdr_mask;
 614         const struct rte_flow_item *item = pattern;
 615         const struct rte_flow_item_gtp_psc *psc;
 616         uint32_t hdrs = 0;
 617
 618         for (item = pattern; item->type != RTE_FLOW_ITEM_TYPE_END; item++) {
 619                 if (item->last) {
 620                         rte_flow_error_set(error, EINVAL,
 621                                         RTE_FLOW_ERROR_TYPE_ITEM, item,
 622                                         "Not support range");
 623                         return -rte_errno;
 624                 }
 625
 626                 switch (item->type) {
 627                 case RTE_FLOW_ITEM_TYPE_GTPU:
 628                         hdrs |= ICE_FLOW_SEG_HDR_GTPU_IP;
 629                         break;
 630                 case RTE_FLOW_ITEM_TYPE_GTP_PSC:
 631                         psc = item->spec;
 632                         hdr_mask &= ~ICE_FLOW_SEG_HDR_GTPU_EH;
 633                         hdrs &= ~ICE_FLOW_SEG_HDR_GTPU_IP;
 634                         if (!psc)
 635                                 hdrs |= ICE_FLOW_SEG_HDR_GTPU_EH;
 636                         else if (psc->pdu_type == ICE_GTPU_EH_UPLINK)
 637                                 hdrs |= ICE_FLOW_SEG_HDR_GTPU_UP;
 638                         else if (psc->pdu_type == ICE_GTPU_EH_DWNLINK)
 639                                 hdrs |= ICE_FLOW_SEG_HDR_GTPU_DWN;
 640                         break;
 641                 default:
 642                         break;
 643                 }
 644         }
 645
 646         /* Save protocol header to rss_meta. */
 647         ((struct rss_meta *)*meta)->pkt_hdr |= hdr_mask | hdrs;
 648
 649         return 0;
 650 }
 651
 652 static int
 653 ice_hash_parse_action(struct ice_pattern_match_item *pattern_match_item,
 654                 const struct rte_flow_action actions[],
 655                 void **meta,
 656                 struct rte_flow_error *error)
 657 {
 658         struct rss_type_match_hdr *m = (struct rss_type_match_hdr *)
 659                                 (pattern_match_item->meta);
 660         struct rss_meta *hash_meta = (struct rss_meta *)*meta;
 661         uint32_t type_list_len = RTE_DIM(ice_hash_type_list);
 662         enum rte_flow_action_type action_type;
 663         const struct rte_flow_action_rss *rss;
 664         const struct rte_flow_action *action;
 665         uint64_t combine_type;
 666         uint64_t rss_type;
 667         uint16_t i;
 668
 669         /* Supported action is RSS. */
 670         for (action = actions; action->type !=
 671                 RTE_FLOW_ACTION_TYPE_END; action++) {
 672                 action_type = action->type;
 673                 switch (action_type) {
 674                 case RTE_FLOW_ACTION_TYPE_RSS:
 675                         rss = action->conf;
 676                         rss_type = rss->types;
 677
 678                         /* Check hash function and save it to rss_meta. */
 679                         if (pattern_match_item->pattern_list !=
 680                             pattern_empty && rss->func ==
 681                             RTE_ETH_HASH_FUNCTION_SIMPLE_XOR) {
 682                                 return rte_flow_error_set(error, ENOTSUP,
 683                                         RTE_FLOW_ERROR_TYPE_ACTION, action,
 684                                         "Not supported flow");
 685                         } else if (rss->func ==
 686                                    RTE_ETH_HASH_FUNCTION_SIMPLE_XOR){
 687                                 ((struct rss_meta *)*meta)->hash_function =
 688                                 RTE_ETH_HASH_FUNCTION_SIMPLE_XOR;
 689                                 return 0;
 690                         } else if (rss->func ==
 691                                    RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ) {
 692                                 ((struct rss_meta *)*meta)->hash_function =
 693                                 RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ;
 694                         }
 695
 696                         if (rss->level)
 697                                 return rte_flow_error_set(error, ENOTSUP,
 698                                         RTE_FLOW_ERROR_TYPE_ACTION, action,
 699                                         "a nonzero RSS encapsulation level is not supported");
 700
 701                         if (rss->key_len)
 702                                 return rte_flow_error_set(error, ENOTSUP,
 703                                         RTE_FLOW_ERROR_TYPE_ACTION, action,
 704                                         "a nonzero RSS key_len is not supported");
 705
 706                         if (rss->queue)
 707                                 return rte_flow_error_set(error, ENOTSUP,
 708                                         RTE_FLOW_ERROR_TYPE_ACTION, action,
 709                                         "a non-NULL RSS queue is not supported");
 710
 711                         /**
 712                          * Check simultaneous use of SRC_ONLY and DST_ONLY
 713                          * of the same level.
 714                          */
 715                         rss_type = rte_eth_rss_hf_refine(rss_type);
 716
 717                         combine_type = ETH_RSS_L2_SRC_ONLY |
 718                                         ETH_RSS_L2_DST_ONLY |
 719                                         ETH_RSS_L3_SRC_ONLY |
 720                                         ETH_RSS_L3_DST_ONLY |
 721                                         ETH_RSS_L4_SRC_ONLY |
 722                                         ETH_RSS_L4_DST_ONLY;
 723
 724                         /* Check if rss types match pattern. */
 725                         if (rss_type & ~combine_type & ~m->eth_rss_hint) {
 726                                 return rte_flow_error_set(error,
 727                                 ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION,
 728                                 action, "Not supported RSS types");
 729                         }
 730
 731                         /* Find matched hash fields according to hash type. */
 732                         for (i = 0; i < type_list_len; i++) {
 733                                 struct ice_hash_match_type *ht_map =
 734                                         &ice_hash_type_list[i];
 735
 736                                 if (rss_type == ht_map->hash_type) {
 737                                         hash_meta->hash_flds =
 738                                                         ht_map->hash_flds;
 739                                         break;
 740                                 }
 741                         }
 742
 743                         /* update hash field for nat-t esp. */
 744                         if (rss_type == ETH_RSS_ESP &&
 745                             (m->eth_rss_hint & ETH_RSS_NONFRAG_IPV4_UDP)) {
 746                                 hash_meta->hash_flds &=
 747                                 ~(BIT_ULL(ICE_FLOW_FIELD_IDX_ESP_SPI));
 748                                 hash_meta->hash_flds |=
 749                                 BIT_ULL(ICE_FLOW_FIELD_IDX_NAT_T_ESP_SPI);
 750                         }
 751
 752                         /* update hash field for gtpu-ip and gtpu-eh. */
 753                         if (rss_type != ETH_RSS_GTPU)
 754                                 break;
 755                         else if (hash_meta->pkt_hdr & ICE_FLOW_SEG_HDR_GTPU_IP)
 756                                 hash_meta->hash_flds |=
 757                                 BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_IP_TEID);
 758                         else if (hash_meta->pkt_hdr & ICE_FLOW_SEG_HDR_GTPU_EH)
 759                                 hash_meta->hash_flds |=
 760                                 BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_EH_TEID);
 761                         else if (hash_meta->pkt_hdr & ICE_FLOW_SEG_HDR_GTPU_DWN)
 762                                 hash_meta->hash_flds |=
 763                                 BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_DWN_TEID);
 764                         else if (hash_meta->pkt_hdr & ICE_FLOW_SEG_HDR_GTPU_UP)
 765                                 hash_meta->hash_flds |=
 766                                 BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_UP_TEID);
 767
 768                         break;
 769
 770                 case RTE_FLOW_ACTION_TYPE_END:
 771                         break;
 772
 773                 default:
 774                         rte_flow_error_set(error, EINVAL,
 775                                         RTE_FLOW_ERROR_TYPE_ACTION, action,
 776                                         "Invalid action.");
 777                         return -rte_errno;
 778                 }
 779         }
 780
 781         return 0;
 782 }
 783
 784 static int
 785 ice_hash_parse_pattern_action(__rte_unused struct ice_adapter *ad,
 786                         struct ice_pattern_match_item *array,
 787                         uint32_t array_len,
 788                         const struct rte_flow_item pattern[],
 789                         const struct rte_flow_action actions[],
 790                         void **meta,
 791                         struct rte_flow_error *error)
 792 {
 793         int ret = 0;
 794         struct ice_pattern_match_item *pattern_match_item;
 795         struct rss_meta *rss_meta_ptr;
 796
 797         rss_meta_ptr = rte_zmalloc(NULL, sizeof(*rss_meta_ptr), 0);
 798         if (!rss_meta_ptr) {
 799                 rte_flow_error_set(error, EINVAL,
 800                                 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
 801                                 "No memory for rss_meta_ptr");
 802                 return -ENOMEM;
 803         }
 804
 805         /* Check rss supported pattern and find matched pattern. */
 806         pattern_match_item = ice_search_pattern_match_item(pattern,
 807                                         array, array_len, error);
 808         if (!pattern_match_item) {
 809                 ret = -rte_errno;
 810                 goto error;
 811         }
 812
 813         ret = ice_hash_parse_pattern(pattern_match_item, pattern,
 814                                      (void **)&rss_meta_ptr, error);
 815         if (ret)
 816                 goto error;
 817
 818         /* Check rss action. */
 819         ret = ice_hash_parse_action(pattern_match_item, actions,
 820                                     (void **)&rss_meta_ptr, error);
 821
 822 error:
 823         if (!ret && meta)
 824                 *meta = rss_meta_ptr;
 825         else
 826                 rte_free(rss_meta_ptr);
 827         rte_free(pattern_match_item);
 828
 829         return ret;
 830 }
 831
 832 static int
 833 ice_hash_create(struct ice_adapter *ad,
 834                 struct rte_flow *flow,
 835                 void *meta,
 836                 struct rte_flow_error *error)
 837 {
 838         struct ice_pf *pf = &ad->pf;
 839         struct ice_hw *hw = ICE_PF_TO_HW(pf);
 840         struct ice_vsi *vsi = pf->main_vsi;
 841         int ret;
 842         uint32_t reg;
 843         struct ice_hash_flow_cfg *filter_ptr;
 844
 845         uint32_t headermask = ((struct rss_meta *)meta)->pkt_hdr;
 846         uint64_t hash_field = ((struct rss_meta *)meta)->hash_flds;
 847         uint8_t hash_function = ((struct rss_meta *)meta)->hash_function;
 848
 849         filter_ptr = rte_zmalloc("ice_rss_filter",
 850                                 sizeof(struct ice_hash_flow_cfg), 0);
 851         if (!filter_ptr) {
 852                 rte_flow_error_set(error, EINVAL,
 853                                 RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
 854                                 "No memory for filter_ptr");
 855                 return -ENOMEM;
 856         }
 857
 858         if (hash_function == RTE_ETH_HASH_FUNCTION_SIMPLE_XOR) {
 859                 /* Enable registers for simple_xor hash function. */
 860                 reg = ICE_READ_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id));
 861                 reg = (reg & (~VSIQF_HASH_CTL_HASH_SCHEME_M)) |
 862                         (2 << VSIQF_HASH_CTL_HASH_SCHEME_S);
 863                 ICE_WRITE_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id), reg);
 864
 865                 filter_ptr->simple_xor = 1;
 866
 867                 goto out;
 868         } else {
 869                 filter_ptr->rss_cfg.packet_hdr = headermask;
 870                 filter_ptr->rss_cfg.hashed_flds = hash_field;
 871                 filter_ptr->rss_cfg.symm =
 872                         (hash_function ==
 873                                 RTE_ETH_HASH_FUNCTION_SYMMETRIC_TOEPLITZ);
 874
 875                 ret = ice_add_rss_cfg(hw, vsi->idx,
 876                                 filter_ptr->rss_cfg.hashed_flds,
 877                                 filter_ptr->rss_cfg.packet_hdr,
 878                                 filter_ptr->rss_cfg.symm);
 879                 if (ret) {
 880                         rte_flow_error_set(error, EINVAL,
 881                                         RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
 882                                         "rss flow create fail");
 883                         goto error;
 884                 }
 885         }
 886
 887 out:
 888         flow->rule = filter_ptr;
 889         rte_free(meta);
 890         return 0;
 891
 892 error:
 893         rte_free(filter_ptr);
 894         rte_free(meta);
 895         return -rte_errno;
 896 }
 897
 898 static int
 899 ice_hash_destroy(struct ice_adapter *ad,
 900                 struct rte_flow *flow,
 901                 struct rte_flow_error *error)
 902 {
 903         struct ice_pf *pf = ICE_DEV_PRIVATE_TO_PF(ad);
 904         struct ice_hw *hw = ICE_PF_TO_HW(pf);
 905         struct ice_vsi *vsi = pf->main_vsi;
 906         int ret;
 907         uint32_t reg;
 908         struct ice_hash_flow_cfg *filter_ptr;
 909
 910         filter_ptr = (struct ice_hash_flow_cfg *)flow->rule;
 911
 912         if (filter_ptr->simple_xor == 1) {
 913                 /* Return to symmetric_toeplitz state. */
 914                 reg = ICE_READ_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id));
 915                 reg = (reg & (~VSIQF_HASH_CTL_HASH_SCHEME_M)) |
 916                         (1 << VSIQF_HASH_CTL_HASH_SCHEME_S);
 917                 ICE_WRITE_REG(hw, VSIQF_HASH_CTL(vsi->vsi_id), reg);
 918         } else {
 919                 ret = ice_rem_rss_cfg(hw, vsi->idx,
 920                                 filter_ptr->rss_cfg.hashed_flds,
 921                                 filter_ptr->rss_cfg.packet_hdr);
 922                 /* Fixme: Ignore the error if a rule does not exist.
 923                  * Currently a rule for inputset change or symm turn on/off
 924                  * will overwrite an exist rule, while application still
 925                  * have 2 rte_flow handles.
 926                  **/
 927                 if (ret && ret != ICE_ERR_DOES_NOT_EXIST) {
 928                         rte_flow_error_set(error, EINVAL,
 929                                         RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
 930                                         "rss flow destroy fail");
 931                         goto error;
 932                 }
 933         }
 934
 935         rte_free(filter_ptr);
 936         return 0;
 937
 938 error:
 939         rte_free(filter_ptr);
 940         return -rte_errno;
 941 }
 942
 943 static void
 944 ice_hash_uninit(struct ice_adapter *ad)
 945 {
 946         if (ad->hw.dcf_enabled)
 947                 return;
 948
 949         if (ad->active_pkg_type == ICE_PKG_TYPE_OS_DEFAULT)
 950                 ice_unregister_parser(&ice_hash_parser_os, ad);
 951         else if (ad->active_pkg_type == ICE_PKG_TYPE_COMMS)
 952                 ice_unregister_parser(&ice_hash_parser_comms, ad);
 953 }
 954
 955 static void
 956 ice_hash_free(struct rte_flow *flow)
 957 {
 958         rte_free(flow->rule);
 959 }