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