drivers/net/ethernet/intel/ice/ice_flow.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /* Copyright (c) 2019, Intel Corporation. */
   3
   4 #ifndef _ICE_FLOW_H_
   5 #define _ICE_FLOW_H_
   6
   7 #include "ice_flex_type.h"
   8 #include "ice_parser.h"
   9
  10 #define ICE_FLOW_ENTRY_HANDLE_INVAL     0
  11 #define ICE_FLOW_FLD_OFF_INVAL          0xffff
  12
  13 /* Generate flow hash field from flow field type(s) */
  14 #define ICE_FLOW_HASH_ETH       \
  15         (BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_DA) | \
  16          BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_SA))
  17 #define ICE_FLOW_HASH_IPV4      \
  18         (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) | \
  19          BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA))
  20 #define ICE_FLOW_HASH_IPV6      \
  21         (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) | \
  22          BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA))
  23 #define ICE_FLOW_HASH_TCP_PORT  \
  24         (BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT) | \
  25          BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT))
  26 #define ICE_FLOW_HASH_UDP_PORT  \
  27         (BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT) | \
  28          BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT))
  29 #define ICE_FLOW_HASH_SCTP_PORT \
  30         (BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT) | \
  31          BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT))
  32
  33 #define ICE_HASH_INVALID        0
  34 #define ICE_HASH_TCP_IPV4       (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_TCP_PORT)
  35 #define ICE_HASH_TCP_IPV6       (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_TCP_PORT)
  36 #define ICE_HASH_UDP_IPV4       (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_UDP_PORT)
  37 #define ICE_HASH_UDP_IPV6       (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_UDP_PORT)
  38 #define ICE_HASH_SCTP_IPV4      (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_SCTP_PORT)
  39 #define ICE_HASH_SCTP_IPV6      (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_SCTP_PORT)
  40
  41 #define ICE_FLOW_HASH_GTP_C_TEID \
  42         (BIT_ULL(ICE_FLOW_FIELD_IDX_GTPC_TEID))
  43
  44 #define ICE_FLOW_HASH_GTP_C_IPV4_TEID \
  45         (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_GTP_C_TEID)
  46 #define ICE_FLOW_HASH_GTP_C_IPV6_TEID \
  47         (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_GTP_C_TEID)
  48
  49 #define ICE_FLOW_HASH_GTP_U_TEID \
  50         (BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_IP_TEID))
  51
  52 #define ICE_FLOW_HASH_GTP_U_IPV4_TEID \
  53         (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_GTP_U_TEID)
  54 #define ICE_FLOW_HASH_GTP_U_IPV6_TEID \
  55         (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_GTP_U_TEID)
  56
  57 #define ICE_FLOW_HASH_GTP_U_EH_TEID \
  58         (BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_EH_TEID))
  59
  60 #define ICE_FLOW_HASH_GTP_U_EH_QFI \
  61         (BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_EH_QFI))
  62
  63 #define ICE_FLOW_HASH_GTP_U_IPV4_EH \
  64         (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_GTP_U_EH_TEID | \
  65          ICE_FLOW_HASH_GTP_U_EH_QFI)
  66 #define ICE_FLOW_HASH_GTP_U_IPV6_EH \
  67         (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_GTP_U_EH_TEID | \
  68          ICE_FLOW_HASH_GTP_U_EH_QFI)
  69
  70 #define ICE_FLOW_HASH_GTP_U_UP \
  71         (BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_UP_TEID))
  72 #define ICE_FLOW_HASH_GTP_U_DWN \
  73         (BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_DWN_TEID))
  74
  75 #define ICE_FLOW_HASH_GTP_U_IPV4_UP \
  76         (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_GTP_U_UP)
  77 #define ICE_FLOW_HASH_GTP_U_IPV6_UP \
  78         (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_GTP_U_UP)
  79 #define ICE_FLOW_HASH_GTP_U_IPV4_DWN \
  80         (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_GTP_U_DWN)
  81 #define ICE_FLOW_HASH_GTP_U_IPV6_DWN \
  82         (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_GTP_U_DWN)
  83
  84 #define ICE_FLOW_HASH_PPPOE_SESS_ID \
  85         (BIT_ULL(ICE_FLOW_FIELD_IDX_PPPOE_SESS_ID))
  86
  87 #define ICE_FLOW_HASH_PPPOE_SESS_ID_ETH \
  88         (ICE_FLOW_HASH_ETH | ICE_FLOW_HASH_PPPOE_SESS_ID)
  89 #define ICE_FLOW_HASH_PPPOE_TCP_ID \
  90         (ICE_FLOW_HASH_TCP_PORT | ICE_FLOW_HASH_PPPOE_SESS_ID)
  91 #define ICE_FLOW_HASH_PPPOE_UDP_ID \
  92         (ICE_FLOW_HASH_UDP_PORT | ICE_FLOW_HASH_PPPOE_SESS_ID)
  93
  94 #define ICE_FLOW_HASH_PFCP_SEID \
  95         (BIT_ULL(ICE_FLOW_FIELD_IDX_PFCP_SEID))
  96 #define ICE_FLOW_HASH_PFCP_IPV4_SEID \
  97         (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_PFCP_SEID)
  98 #define ICE_FLOW_HASH_PFCP_IPV6_SEID \
  99         (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_PFCP_SEID)
 100
 101 #define ICE_FLOW_HASH_L2TPV3_SESS_ID \
 102         (BIT_ULL(ICE_FLOW_FIELD_IDX_L2TPV3_SESS_ID))
 103 #define ICE_FLOW_HASH_L2TPV3_IPV4_SESS_ID \
 104         (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_L2TPV3_SESS_ID)
 105 #define ICE_FLOW_HASH_L2TPV3_IPV6_SESS_ID \
 106         (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_L2TPV3_SESS_ID)
 107
 108 #define ICE_FLOW_HASH_ESP_SPI \
 109         (BIT_ULL(ICE_FLOW_FIELD_IDX_ESP_SPI))
 110 #define ICE_FLOW_HASH_ESP_IPV4_SPI \
 111         (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_ESP_SPI)
 112 #define ICE_FLOW_HASH_ESP_IPV6_SPI \
 113         (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_ESP_SPI)
 114
 115 #define ICE_FLOW_HASH_AH_SPI \
 116         (BIT_ULL(ICE_FLOW_FIELD_IDX_AH_SPI))
 117 #define ICE_FLOW_HASH_AH_IPV4_SPI \
 118         (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_AH_SPI)
 119 #define ICE_FLOW_HASH_AH_IPV6_SPI \
 120         (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_AH_SPI)
 121
 122 #define ICE_FLOW_HASH_NAT_T_ESP_SPI \
 123         (BIT_ULL(ICE_FLOW_FIELD_IDX_NAT_T_ESP_SPI))
 124 #define ICE_FLOW_HASH_NAT_T_ESP_IPV4_SPI \
 125         (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_NAT_T_ESP_SPI)
 126 #define ICE_FLOW_HASH_NAT_T_ESP_IPV6_SPI \
 127         (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_NAT_T_ESP_SPI)
 128
 129 /* Protocol header fields within a packet segment. A segment consists of one or
 130  * more protocol headers that make up a logical group of protocol headers. Each
 131  * logical group of protocol headers encapsulates or is encapsulated using/by
 132  * tunneling or encapsulation protocols for network virtualization such as GRE,
 133  * VxLAN, etc.
 134  */
 135 enum ice_flow_seg_hdr {
 136         ICE_FLOW_SEG_HDR_NONE           = 0x00000000,
 137         ICE_FLOW_SEG_HDR_ETH            = 0x00000001,
 138         ICE_FLOW_SEG_HDR_VLAN           = 0x00000002,
 139         ICE_FLOW_SEG_HDR_IPV4           = 0x00000004,
 140         ICE_FLOW_SEG_HDR_IPV6           = 0x00000008,
 141         ICE_FLOW_SEG_HDR_ARP            = 0x00000010,
 142         ICE_FLOW_SEG_HDR_ICMP           = 0x00000020,
 143         ICE_FLOW_SEG_HDR_TCP            = 0x00000040,
 144         ICE_FLOW_SEG_HDR_UDP            = 0x00000080,
 145         ICE_FLOW_SEG_HDR_SCTP           = 0x00000100,
 146         ICE_FLOW_SEG_HDR_GRE            = 0x00000200,
 147         ICE_FLOW_SEG_HDR_GTPC           = 0x00000400,
 148         ICE_FLOW_SEG_HDR_GTPC_TEID      = 0x00000800,
 149         ICE_FLOW_SEG_HDR_GTPU_IP        = 0x00001000,
 150         ICE_FLOW_SEG_HDR_GTPU_EH        = 0x00002000,
 151         ICE_FLOW_SEG_HDR_GTPU_DWN       = 0x00004000,
 152         ICE_FLOW_SEG_HDR_GTPU_UP        = 0x00008000,
 153         ICE_FLOW_SEG_HDR_PPPOE          = 0x00010000,
 154         ICE_FLOW_SEG_HDR_PFCP_NODE      = 0x00020000,
 155         ICE_FLOW_SEG_HDR_PFCP_SESSION   = 0x00040000,
 156         ICE_FLOW_SEG_HDR_L2TPV3         = 0x00080000,
 157         ICE_FLOW_SEG_HDR_ESP            = 0x00100000,
 158         ICE_FLOW_SEG_HDR_AH             = 0x00200000,
 159         ICE_FLOW_SEG_HDR_NAT_T_ESP      = 0x00400000,
 160         ICE_FLOW_SEG_HDR_ETH_NON_IP     = 0x00800000,
 161         /* The following is an additive bit for ICE_FLOW_SEG_HDR_IPV4 and
 162          * ICE_FLOW_SEG_HDR_IPV6 which include the IPV4 other PTYPEs
 163          */
 164         ICE_FLOW_SEG_HDR_IPV_OTHER      = 0x20000000,
 165 };
 166
 167 /* These segments all have the same PTYPES, but are otherwise distinguished by
 168  * the value of the gtp_eh_pdu and gtp_eh_pdu_link flags:
 169  *
 170  *                                gtp_eh_pdu     gtp_eh_pdu_link
 171  * ICE_FLOW_SEG_HDR_GTPU_IP           0              0
 172  * ICE_FLOW_SEG_HDR_GTPU_EH           1              don't care
 173  * ICE_FLOW_SEG_HDR_GTPU_DWN          1              0
 174  * ICE_FLOW_SEG_HDR_GTPU_UP           1              1
 175  */
 176 #define ICE_FLOW_SEG_HDR_GTPU (ICE_FLOW_SEG_HDR_GTPU_IP | \
 177                                ICE_FLOW_SEG_HDR_GTPU_EH | \
 178                                ICE_FLOW_SEG_HDR_GTPU_DWN | \
 179                                ICE_FLOW_SEG_HDR_GTPU_UP)
 180 #define ICE_FLOW_SEG_HDR_PFCP (ICE_FLOW_SEG_HDR_PFCP_NODE | \
 181                                ICE_FLOW_SEG_HDR_PFCP_SESSION)
 182
 183 enum ice_flow_field {
 184         /* L2 */
 185         ICE_FLOW_FIELD_IDX_ETH_DA,
 186         ICE_FLOW_FIELD_IDX_ETH_SA,
 187         ICE_FLOW_FIELD_IDX_S_VLAN,
 188         ICE_FLOW_FIELD_IDX_C_VLAN,
 189         ICE_FLOW_FIELD_IDX_ETH_TYPE,
 190         /* L3 */
 191         ICE_FLOW_FIELD_IDX_IPV4_DSCP,
 192         ICE_FLOW_FIELD_IDX_IPV6_DSCP,
 193         ICE_FLOW_FIELD_IDX_IPV4_TTL,
 194         ICE_FLOW_FIELD_IDX_IPV4_PROT,
 195         ICE_FLOW_FIELD_IDX_IPV6_TTL,
 196         ICE_FLOW_FIELD_IDX_IPV6_PROT,
 197         ICE_FLOW_FIELD_IDX_IPV4_SA,
 198         ICE_FLOW_FIELD_IDX_IPV4_DA,
 199         ICE_FLOW_FIELD_IDX_IPV6_SA,
 200         ICE_FLOW_FIELD_IDX_IPV6_DA,
 201         /* L4 */
 202         ICE_FLOW_FIELD_IDX_TCP_SRC_PORT,
 203         ICE_FLOW_FIELD_IDX_TCP_DST_PORT,
 204         ICE_FLOW_FIELD_IDX_UDP_SRC_PORT,
 205         ICE_FLOW_FIELD_IDX_UDP_DST_PORT,
 206         ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT,
 207         ICE_FLOW_FIELD_IDX_SCTP_DST_PORT,
 208         ICE_FLOW_FIELD_IDX_TCP_FLAGS,
 209         /* ARP */
 210         ICE_FLOW_FIELD_IDX_ARP_SIP,
 211         ICE_FLOW_FIELD_IDX_ARP_DIP,
 212         ICE_FLOW_FIELD_IDX_ARP_SHA,
 213         ICE_FLOW_FIELD_IDX_ARP_DHA,
 214         ICE_FLOW_FIELD_IDX_ARP_OP,
 215         /* ICMP */
 216         ICE_FLOW_FIELD_IDX_ICMP_TYPE,
 217         ICE_FLOW_FIELD_IDX_ICMP_CODE,
 218         /* GRE */
 219         ICE_FLOW_FIELD_IDX_GRE_KEYID,
 220         /* GTPC_TEID */
 221         ICE_FLOW_FIELD_IDX_GTPC_TEID,
 222         /* GTPU_IP */
 223         ICE_FLOW_FIELD_IDX_GTPU_IP_TEID,
 224         /* GTPU_EH */
 225         ICE_FLOW_FIELD_IDX_GTPU_EH_TEID,
 226         ICE_FLOW_FIELD_IDX_GTPU_EH_QFI,
 227         /* GTPU_UP */
 228         ICE_FLOW_FIELD_IDX_GTPU_UP_TEID,
 229         /* GTPU_DWN */
 230         ICE_FLOW_FIELD_IDX_GTPU_DWN_TEID,
 231         /* PPPoE */
 232         ICE_FLOW_FIELD_IDX_PPPOE_SESS_ID,
 233         /* PFCP */
 234         ICE_FLOW_FIELD_IDX_PFCP_SEID,
 235         /* L2TPv3 */
 236         ICE_FLOW_FIELD_IDX_L2TPV3_SESS_ID,
 237         /* ESP */
 238         ICE_FLOW_FIELD_IDX_ESP_SPI,
 239         /* AH */
 240         ICE_FLOW_FIELD_IDX_AH_SPI,
 241         /* NAT_T ESP */
 242         ICE_FLOW_FIELD_IDX_NAT_T_ESP_SPI,
 243          /* The total number of enums must not exceed 64 */
 244         ICE_FLOW_FIELD_IDX_MAX
 245 };
 246
 247 #define ICE_FLOW_HASH_FLD_IPV4_SA       BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)
 248 #define ICE_FLOW_HASH_FLD_IPV6_SA       BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)
 249 #define ICE_FLOW_HASH_FLD_IPV4_DA       BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)
 250 #define ICE_FLOW_HASH_FLD_IPV6_DA       BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)
 251 #define ICE_FLOW_HASH_FLD_TCP_SRC_PORT  BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT)
 252 #define ICE_FLOW_HASH_FLD_TCP_DST_PORT  BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT)
 253 #define ICE_FLOW_HASH_FLD_UDP_SRC_PORT  BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT)
 254 #define ICE_FLOW_HASH_FLD_UDP_DST_PORT  BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT)
 255 #define ICE_FLOW_HASH_FLD_SCTP_SRC_PORT \
 256         BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT)
 257 #define ICE_FLOW_HASH_FLD_SCTP_DST_PORT \
 258         BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT)
 259
 260 #define ICE_FLOW_HASH_FLD_GTPC_TEID     BIT_ULL(ICE_FLOW_FIELD_IDX_GTPC_TEID)
 261 #define ICE_FLOW_HASH_FLD_GTPU_IP_TEID BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_IP_TEID)
 262 #define ICE_FLOW_HASH_FLD_GTPU_EH_TEID BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_EH_TEID)
 263 #define ICE_FLOW_HASH_FLD_GTPU_UP_TEID BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_UP_TEID)
 264 #define ICE_FLOW_HASH_FLD_GTPU_DWN_TEID \
 265         BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_DWN_TEID)
 266
 267 /* Flow headers and fields for AVF support */
 268 enum ice_flow_avf_hdr_field {
 269         /* Values 0 - 28 are reserved for future use */
 270         ICE_AVF_FLOW_FIELD_INVALID              = 0,
 271         ICE_AVF_FLOW_FIELD_UNICAST_IPV4_UDP     = 29,
 272         ICE_AVF_FLOW_FIELD_MULTICAST_IPV4_UDP,
 273         ICE_AVF_FLOW_FIELD_IPV4_UDP,
 274         ICE_AVF_FLOW_FIELD_IPV4_TCP_SYN_NO_ACK,
 275         ICE_AVF_FLOW_FIELD_IPV4_TCP,
 276         ICE_AVF_FLOW_FIELD_IPV4_SCTP,
 277         ICE_AVF_FLOW_FIELD_IPV4_OTHER,
 278         ICE_AVF_FLOW_FIELD_FRAG_IPV4,
 279         /* Values 37-38 are reserved */
 280         ICE_AVF_FLOW_FIELD_UNICAST_IPV6_UDP     = 39,
 281         ICE_AVF_FLOW_FIELD_MULTICAST_IPV6_UDP,
 282         ICE_AVF_FLOW_FIELD_IPV6_UDP,
 283         ICE_AVF_FLOW_FIELD_IPV6_TCP_SYN_NO_ACK,
 284         ICE_AVF_FLOW_FIELD_IPV6_TCP,
 285         ICE_AVF_FLOW_FIELD_IPV6_SCTP,
 286         ICE_AVF_FLOW_FIELD_IPV6_OTHER,
 287         ICE_AVF_FLOW_FIELD_FRAG_IPV6,
 288         ICE_AVF_FLOW_FIELD_RSVD47,
 289         ICE_AVF_FLOW_FIELD_FCOE_OX,
 290         ICE_AVF_FLOW_FIELD_FCOE_RX,
 291         ICE_AVF_FLOW_FIELD_FCOE_OTHER,
 292         /* Values 51-62 are reserved */
 293         ICE_AVF_FLOW_FIELD_L2_PAYLOAD           = 63,
 294         ICE_AVF_FLOW_FIELD_MAX
 295 };
 296
 297 /* Supported RSS offloads  This macro is defined to support
 298  * VIRTCHNL_OP_GET_RSS_HENA_CAPS ops. PF driver sends the RSS hardware
 299  * capabilities to the caller of this ops.
 300  */
 301 #define ICE_DEFAULT_RSS_HENA ( \
 302         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_UDP) | \
 303         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_SCTP) | \
 304         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_TCP) | \
 305         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_OTHER) | \
 306         BIT_ULL(ICE_AVF_FLOW_FIELD_FRAG_IPV4) | \
 307         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_UDP) | \
 308         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_TCP) | \
 309         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_SCTP) | \
 310         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_OTHER) | \
 311         BIT_ULL(ICE_AVF_FLOW_FIELD_FRAG_IPV6) | \
 312         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_TCP_SYN_NO_ACK) | \
 313         BIT_ULL(ICE_AVF_FLOW_FIELD_UNICAST_IPV4_UDP) | \
 314         BIT_ULL(ICE_AVF_FLOW_FIELD_MULTICAST_IPV4_UDP) | \
 315         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_TCP_SYN_NO_ACK) | \
 316         BIT_ULL(ICE_AVF_FLOW_FIELD_UNICAST_IPV6_UDP) | \
 317         BIT_ULL(ICE_AVF_FLOW_FIELD_MULTICAST_IPV6_UDP))
 318
 319 enum ice_rss_cfg_hdr_type {
 320         ICE_RSS_OUTER_HEADERS, /* take outer headers as inputset. */
 321         ICE_RSS_INNER_HEADERS, /* take inner headers as inputset. */
 322         /* take inner headers as inputset for packet with outer ipv4. */
 323         ICE_RSS_INNER_HEADERS_W_OUTER_IPV4,
 324         /* take inner headers as inputset for packet with outer ipv6. */
 325         ICE_RSS_INNER_HEADERS_W_OUTER_IPV6,
 326         /* take outer headers first then inner headers as inputset */
 327         ICE_RSS_ANY_HEADERS
 328 };
 329
 330 struct ice_vsi;
 331 struct ice_rss_hash_cfg {
 332         u32 addl_hdrs; /* protocol header fields */
 333         u64 hash_flds; /* hash bit field (ICE_FLOW_HASH_*) to configure */
 334         enum ice_rss_cfg_hdr_type hdr_type; /* to specify inner or outer */
 335         bool symm; /* symmetric or asymmetric hash */
 336 };
 337
 338 enum ice_flow_dir {
 339         ICE_FLOW_RX             = 0x02,
 340 };
 341
 342 enum ice_flow_priority {
 343         ICE_FLOW_PRIO_LOW,
 344         ICE_FLOW_PRIO_NORMAL,
 345         ICE_FLOW_PRIO_HIGH
 346 };
 347
 348 #define ICE_FLOW_SEG_SINGLE             1
 349 #define ICE_FLOW_SEG_MAX                2
 350 #define ICE_FLOW_SEG_RAW_FLD_MAX        2
 351 #define ICE_FLOW_SW_FIELD_VECTOR_MAX    48
 352 #define ICE_FLOW_FV_EXTRACT_SZ          2
 353
 354 #define ICE_FLOW_SET_HDRS(seg, val)     ((seg)->hdrs |= (u32)(val))
 355
 356 struct ice_flow_seg_xtrct {
 357         u8 prot_id;     /* Protocol ID of extracted header field */
 358         u16 off;        /* Starting offset of the field in header in bytes */
 359         u8 idx;         /* Index of FV entry used */
 360         u8 disp;        /* Displacement of field in bits fr. FV entry's start */
 361         u16 mask;       /* Mask for field */
 362 };
 363
 364 enum ice_flow_fld_match_type {
 365         ICE_FLOW_FLD_TYPE_REG,          /* Value, mask */
 366         ICE_FLOW_FLD_TYPE_RANGE,        /* Value, mask, last (upper bound) */
 367         ICE_FLOW_FLD_TYPE_PREFIX,       /* IP address, prefix, size of prefix */
 368         ICE_FLOW_FLD_TYPE_SIZE,         /* Value, mask, size of match */
 369 };
 370
 371 struct ice_flow_fld_loc {
 372         /* Describe offsets of field information relative to the beginning of
 373          * input buffer provided when adding flow entries.
 374          */
 375         u16 val;        /* Offset where the value is located */
 376         u16 mask;       /* Offset where the mask/prefix value is located */
 377         u16 last;       /* Length or offset where the upper value is located */
 378 };
 379
 380 struct ice_flow_fld_info {
 381         enum ice_flow_fld_match_type type;
 382         /* Location where to retrieve data from an input buffer */
 383         struct ice_flow_fld_loc src;
 384         /* Location where to put the data into the final entry buffer */
 385         struct ice_flow_fld_loc entry;
 386         struct ice_flow_seg_xtrct xtrct;
 387 };
 388
 389 struct ice_flow_seg_fld_raw {
 390         struct ice_flow_fld_info info;
 391         u16 off;        /* Offset from the start of the segment */
 392 };
 393
 394 struct ice_flow_seg_info {
 395         u32 hdrs;       /* Bitmask indicating protocol headers present */
 396         u64 match;      /* Bitmask indicating header fields to be matched */
 397         u64 range;      /* Bitmask indicating header fields matched as ranges */
 398
 399         struct ice_flow_fld_info fields[ICE_FLOW_FIELD_IDX_MAX];
 400
 401         u8 raws_cnt;    /* Number of raw fields to be matched */
 402         struct ice_flow_seg_fld_raw raws[ICE_FLOW_SEG_RAW_FLD_MAX];
 403 };
 404
 405 /* This structure describes a flow entry, and is tracked only in this file */
 406 struct ice_flow_entry {
 407         struct list_head l_entry;
 408
 409         u64 id;
 410         struct ice_flow_prof *prof;
 411         enum ice_flow_priority priority;
 412         u16 vsi_handle;
 413 };
 414
 415 #define ICE_FLOW_ENTRY_HNDL(e)  ((u64)(uintptr_t)e)
 416 #define ICE_FLOW_ENTRY_PTR(h)   ((struct ice_flow_entry *)(uintptr_t)(h))
 417
 418 struct ice_flow_prof {
 419         struct list_head l_entry;
 420
 421         u64 id;
 422         enum ice_flow_dir dir;
 423         u8 segs_cnt;
 424
 425         /* Keep track of flow entries associated with this flow profile */
 426         struct mutex entries_lock;
 427         struct list_head entries;
 428
 429         struct ice_flow_seg_info segs[ICE_FLOW_SEG_MAX];
 430
 431         /* software VSI handles referenced by this flow profile */
 432         DECLARE_BITMAP(vsis, ICE_MAX_VSI);
 433
 434         bool symm; /* Symmetric Hash for RSS */
 435 };
 436
 437 struct ice_rss_cfg {
 438         struct list_head l_entry;
 439         /* bitmap of VSIs added to the RSS entry */
 440         DECLARE_BITMAP(vsis, ICE_MAX_VSI);
 441         struct ice_rss_hash_cfg hash;
 442 };
 443
 444 int
 445 ice_flow_add_prof(struct ice_hw *hw, enum ice_block blk, enum ice_flow_dir dir,
 446                   struct ice_flow_seg_info *segs, u8 segs_cnt,
 447                   bool symm, struct ice_flow_prof **prof);
 448 int ice_flow_rem_prof(struct ice_hw *hw, enum ice_block blk, u64 prof_id);
 449 int
 450 ice_flow_set_parser_prof(struct ice_hw *hw, u16 dest_vsi, u16 fdir_vsi,
 451                          struct ice_parser_profile *prof, enum ice_block blk);
 452 int
 453 ice_flow_add_entry(struct ice_hw *hw, enum ice_block blk, u64 prof_id,
 454                    u64 entry_id, u16 vsi, enum ice_flow_priority prio,
 455                    void *data, u64 *entry_h);
 456 int ice_flow_rem_entry(struct ice_hw *hw, enum ice_block blk, u64 entry_h);
 457 void
 458 ice_flow_set_fld(struct ice_flow_seg_info *seg, enum ice_flow_field fld,
 459                  u16 val_loc, u16 mask_loc, u16 last_loc, bool range);
 460 void
 461 ice_flow_add_fld_raw(struct ice_flow_seg_info *seg, u16 off, u8 len,
 462                      u16 val_loc, u16 mask_loc);
 463 int ice_flow_rem_vsi_prof(struct ice_hw *hw, u16 vsi_handle, u64 prof_id);
 464 void ice_rem_vsi_rss_list(struct ice_hw *hw, u16 vsi_handle);
 465 int ice_replay_rss_cfg(struct ice_hw *hw, u16 vsi_handle);
 466 int ice_set_rss_cfg_symm(struct ice_hw *hw, struct ice_vsi *vsi, bool symm);
 467 int ice_add_avf_rss_cfg(struct ice_hw *hw, struct ice_vsi *vsi,
 468                         u64 hashed_flds);
 469 int ice_rem_vsi_rss_cfg(struct ice_hw *hw, u16 vsi_handle);
 470 int ice_add_rss_cfg(struct ice_hw *hw, struct ice_vsi *vsi,
 471                     const struct ice_rss_hash_cfg *cfg);
 472 int ice_rem_rss_cfg(struct ice_hw *hw, u16 vsi_handle,
 473                     const struct ice_rss_hash_cfg *cfg);
 474 u64 ice_get_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u32 hdrs, bool *symm);
 475 #endif /* _ICE_FLOW_H_ */