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
  11 #define ICE_IPV4_MAKE_PREFIX_MASK(prefix) ((u32)(~0) << (32 - (prefix)))
  12 #define ICE_FLOW_PROF_ID_INVAL          0xfffffffffffffffful
  13 #define ICE_FLOW_PROF_ID_BYPASS         0
  14 #define ICE_FLOW_PROF_ID_DEFAULT        1
  15 #define ICE_FLOW_ENTRY_HANDLE_INVAL     0
  16 #define ICE_FLOW_VSI_INVAL              0xffff
  17 #define ICE_FLOW_FLD_OFF_INVAL          0xffff
  18
  19 /* Generate flow hash field from flow field type(s) */
  20 #define ICE_FLOW_HASH_ETH       \
  21         (BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_DA) | \
  22          BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_SA))
  23 #define ICE_FLOW_HASH_IPV4      \
  24         (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) | \
  25          BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA))
  26 #define ICE_FLOW_HASH_IPV6      \
  27         (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) | \
  28          BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA))
  29 #define ICE_FLOW_HASH_IPV6_PRE32        \
  30         (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE32_SA) | \
  31          BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE32_DA))
  32 #define ICE_FLOW_HASH_IPV6_PRE48        \
  33         (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE48_SA) | \
  34          BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE48_DA))
  35 #define ICE_FLOW_HASH_IPV6_PRE64        \
  36         (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE64_SA) | \
  37          BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_PRE64_DA))
  38 #define ICE_FLOW_HASH_TCP_PORT  \
  39         (BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT) | \
  40          BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT))
  41 #define ICE_FLOW_HASH_UDP_PORT  \
  42         (BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT) | \
  43          BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT))
  44 #define ICE_FLOW_HASH_SCTP_PORT \
  45         (BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT) | \
  46          BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT))
  47
  48 #define ICE_HASH_INVALID        0
  49 #define ICE_HASH_TCP_IPV4       (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_TCP_PORT)
  50 #define ICE_HASH_TCP_IPV6       (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_TCP_PORT)
  51 #define ICE_HASH_UDP_IPV4       (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_UDP_PORT)
  52 #define ICE_HASH_UDP_IPV6       (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_UDP_PORT)
  53 #define ICE_HASH_SCTP_IPV4      (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_SCTP_PORT)
  54 #define ICE_HASH_SCTP_IPV6      (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_SCTP_PORT)
  55
  56 #define ICE_HASH_TCP_IPV6_PRE32  \
  57         (ICE_FLOW_HASH_IPV6_PRE32 | ICE_FLOW_HASH_TCP_PORT)
  58 #define ICE_HASH_UDP_IPV6_PRE32  \
  59         (ICE_FLOW_HASH_IPV6_PRE32 | ICE_FLOW_HASH_UDP_PORT)
  60 #define ICE_HASH_SCTP_IPV6_PRE32 \
  61         (ICE_FLOW_HASH_IPV6_PRE32 | ICE_FLOW_HASH_SCTP_PORT)
  62 #define ICE_HASH_TCP_IPV6_PRE48  \
  63         (ICE_FLOW_HASH_IPV6_PRE48 | ICE_FLOW_HASH_TCP_PORT)
  64 #define ICE_HASH_UDP_IPV6_PRE48  \
  65         (ICE_FLOW_HASH_IPV6_PRE48 | ICE_FLOW_HASH_UDP_PORT)
  66 #define ICE_HASH_SCTP_IPV6_PRE48 \
  67         (ICE_FLOW_HASH_IPV6_PRE48 | ICE_FLOW_HASH_SCTP_PORT)
  68 #define ICE_HASH_TCP_IPV6_PRE64  \
  69         (ICE_FLOW_HASH_IPV6_PRE64 | ICE_FLOW_HASH_TCP_PORT)
  70 #define ICE_HASH_UDP_IPV6_PRE64  \
  71         (ICE_FLOW_HASH_IPV6_PRE64 | ICE_FLOW_HASH_UDP_PORT)
  72 #define ICE_HASH_SCTP_IPV6_PRE64 \
  73         (ICE_FLOW_HASH_IPV6_PRE64 | ICE_FLOW_HASH_SCTP_PORT)
  74
  75 #define ICE_FLOW_HASH_GTP_TEID \
  76         (BIT_ULL(ICE_FLOW_FIELD_IDX_GTPC_TEID))
  77
  78 #define ICE_FLOW_HASH_GTP_IPV4_TEID \
  79         (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_GTP_TEID)
  80 #define ICE_FLOW_HASH_GTP_IPV6_TEID \
  81         (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_GTP_TEID)
  82
  83 #define ICE_FLOW_HASH_GTP_U_TEID \
  84         (BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_IP_TEID))
  85
  86 #define ICE_FLOW_HASH_GTP_U_IPV4_TEID \
  87         (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_GTP_U_TEID)
  88 #define ICE_FLOW_HASH_GTP_U_IPV6_TEID \
  89         (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_GTP_U_TEID)
  90
  91 #define ICE_FLOW_HASH_GTP_U_EH_TEID \
  92         (BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_EH_TEID))
  93
  94 #define ICE_FLOW_HASH_GTP_U_EH_QFI \
  95         (BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_EH_QFI))
  96
  97 #define ICE_FLOW_HASH_GTP_U_IPV4_EH \
  98         (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_GTP_U_EH_TEID | \
  99          ICE_FLOW_HASH_GTP_U_EH_QFI)
 100 #define ICE_FLOW_HASH_GTP_U_IPV6_EH \
 101         (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_GTP_U_EH_TEID | \
 102          ICE_FLOW_HASH_GTP_U_EH_QFI)
 103
 104 #define ICE_FLOW_HASH_PPPOE_SESS_ID \
 105         (BIT_ULL(ICE_FLOW_FIELD_IDX_PPPOE_SESS_ID))
 106
 107 #define ICE_FLOW_HASH_PPPOE_SESS_ID_ETH \
 108         (ICE_FLOW_HASH_ETH | ICE_FLOW_HASH_PPPOE_SESS_ID)
 109 #define ICE_FLOW_HASH_PPPOE_TCP_ID \
 110         (ICE_FLOW_HASH_TCP_PORT | ICE_FLOW_HASH_PPPOE_SESS_ID)
 111 #define ICE_FLOW_HASH_PPPOE_UDP_ID \
 112         (ICE_FLOW_HASH_UDP_PORT | ICE_FLOW_HASH_PPPOE_SESS_ID)
 113
 114 #define ICE_FLOW_HASH_PFCP_SEID \
 115         (BIT_ULL(ICE_FLOW_FIELD_IDX_PFCP_SEID))
 116 #define ICE_FLOW_HASH_PFCP_IPV4_SEID \
 117         (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_PFCP_SEID)
 118 #define ICE_FLOW_HASH_PFCP_IPV6_SEID \
 119         (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_PFCP_SEID)
 120
 121 #define ICE_FLOW_HASH_L2TPV3_SESS_ID \
 122         (BIT_ULL(ICE_FLOW_FIELD_IDX_L2TPV3_SESS_ID))
 123 #define ICE_FLOW_HASH_L2TPV3_IPV4_SESS_ID \
 124         (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_L2TPV3_SESS_ID)
 125 #define ICE_FLOW_HASH_L2TPV3_IPV6_SESS_ID \
 126         (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_L2TPV3_SESS_ID)
 127
 128 #define ICE_FLOW_HASH_ESP_SPI \
 129         (BIT_ULL(ICE_FLOW_FIELD_IDX_ESP_SPI))
 130 #define ICE_FLOW_HASH_ESP_IPV4_SPI \
 131         (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_ESP_SPI)
 132 #define ICE_FLOW_HASH_ESP_IPV6_SPI \
 133         (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_ESP_SPI)
 134
 135 #define ICE_FLOW_HASH_AH_SPI \
 136         (BIT_ULL(ICE_FLOW_FIELD_IDX_AH_SPI))
 137 #define ICE_FLOW_HASH_AH_IPV4_SPI \
 138         (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_AH_SPI)
 139 #define ICE_FLOW_HASH_AH_IPV6_SPI \
 140         (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_AH_SPI)
 141
 142 #define ICE_FLOW_HASH_NAT_T_ESP_SPI \
 143         (BIT_ULL(ICE_FLOW_FIELD_IDX_NAT_T_ESP_SPI))
 144 #define ICE_FLOW_HASH_NAT_T_ESP_IPV4_SPI \
 145         (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_NAT_T_ESP_SPI)
 146 #define ICE_FLOW_HASH_NAT_T_ESP_IPV6_SPI \
 147         (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_NAT_T_ESP_SPI)
 148
 149 /* Protocol header fields within a packet segment. A segment consists of one or
 150  * more protocol headers that make up a logical group of protocol headers. Each
 151  * logical group of protocol headers encapsulates or is encapsulated using/by
 152  * tunneling or encapsulation protocols for network virtualization such as GRE,
 153  * VxLAN, etc.
 154  */
 155 enum ice_flow_seg_hdr {
 156         ICE_FLOW_SEG_HDR_NONE           = 0x00000000,
 157         ICE_FLOW_SEG_HDR_ETH            = 0x00000001,
 158         ICE_FLOW_SEG_HDR_VLAN           = 0x00000002,
 159         ICE_FLOW_SEG_HDR_IPV4           = 0x00000004,
 160         ICE_FLOW_SEG_HDR_IPV6           = 0x00000008,
 161         ICE_FLOW_SEG_HDR_ARP            = 0x00000010,
 162         ICE_FLOW_SEG_HDR_ICMP           = 0x00000020,
 163         ICE_FLOW_SEG_HDR_TCP            = 0x00000040,
 164         ICE_FLOW_SEG_HDR_UDP            = 0x00000080,
 165         ICE_FLOW_SEG_HDR_SCTP           = 0x00000100,
 166         ICE_FLOW_SEG_HDR_GRE            = 0x00000200,
 167         ICE_FLOW_SEG_HDR_GTPC           = 0x00000400,
 168         ICE_FLOW_SEG_HDR_GTPC_TEID      = 0x00000800,
 169         ICE_FLOW_SEG_HDR_GTPU_IP        = 0x00001000,
 170         ICE_FLOW_SEG_HDR_GTPU_EH        = 0x00002000,
 171         ICE_FLOW_SEG_HDR_GTPU_DWN       = 0x00004000,
 172         ICE_FLOW_SEG_HDR_GTPU_UP        = 0x00008000,
 173         ICE_FLOW_SEG_HDR_PPPOE          = 0x00010000,
 174         ICE_FLOW_SEG_HDR_PFCP_NODE      = 0x00020000,
 175         ICE_FLOW_SEG_HDR_PFCP_SESSION   = 0x00040000,
 176         ICE_FLOW_SEG_HDR_L2TPV3         = 0x00080000,
 177         ICE_FLOW_SEG_HDR_ESP            = 0x00100000,
 178         ICE_FLOW_SEG_HDR_AH             = 0x00200000,
 179         ICE_FLOW_SEG_HDR_NAT_T_ESP      = 0x00400000,
 180         ICE_FLOW_SEG_HDR_ETH_NON_IP     = 0x00800000,
 181         /* The following is an additive bit for ICE_FLOW_SEG_HDR_IPV4 and
 182          * ICE_FLOW_SEG_HDR_IPV6 which include the IPV4 other PTYPEs
 183          */
 184         ICE_FLOW_SEG_HDR_IPV_OTHER      = 0x20000000,
 185 };
 186
 187 /* These segements all have the same PTYPES, but are otherwise distinguished by
 188  * the value of the gtp_eh_pdu and gtp_eh_pdu_link flags:
 189  *
 190  *                                gtp_eh_pdu     gtp_eh_pdu_link
 191  * ICE_FLOW_SEG_HDR_GTPU_IP           0              0
 192  * ICE_FLOW_SEG_HDR_GTPU_EH           1              don't care
 193  * ICE_FLOW_SEG_HDR_GTPU_DWN          1              0
 194  * ICE_FLOW_SEG_HDR_GTPU_UP           1              1
 195  */
 196 #define ICE_FLOW_SEG_HDR_GTPU (ICE_FLOW_SEG_HDR_GTPU_IP | \
 197                                ICE_FLOW_SEG_HDR_GTPU_EH | \
 198                                ICE_FLOW_SEG_HDR_GTPU_DWN | \
 199                                ICE_FLOW_SEG_HDR_GTPU_UP)
 200 #define ICE_FLOW_SEG_HDR_PFCP (ICE_FLOW_SEG_HDR_PFCP_NODE | \
 201                                ICE_FLOW_SEG_HDR_PFCP_SESSION)
 202
 203 enum ice_flow_field {
 204         /* L2 */
 205         ICE_FLOW_FIELD_IDX_ETH_DA,
 206         ICE_FLOW_FIELD_IDX_ETH_SA,
 207         ICE_FLOW_FIELD_IDX_S_VLAN,
 208         ICE_FLOW_FIELD_IDX_C_VLAN,
 209         ICE_FLOW_FIELD_IDX_ETH_TYPE,
 210         /* L3 */
 211         ICE_FLOW_FIELD_IDX_IPV4_DSCP,
 212         ICE_FLOW_FIELD_IDX_IPV6_DSCP,
 213         ICE_FLOW_FIELD_IDX_IPV4_TTL,
 214         ICE_FLOW_FIELD_IDX_IPV4_PROT,
 215         ICE_FLOW_FIELD_IDX_IPV6_TTL,
 216         ICE_FLOW_FIELD_IDX_IPV6_PROT,
 217         ICE_FLOW_FIELD_IDX_IPV4_SA,
 218         ICE_FLOW_FIELD_IDX_IPV4_DA,
 219         ICE_FLOW_FIELD_IDX_IPV6_SA,
 220         ICE_FLOW_FIELD_IDX_IPV6_DA,
 221         ICE_FLOW_FIELD_IDX_IPV6_PRE32_SA,
 222         ICE_FLOW_FIELD_IDX_IPV6_PRE32_DA,
 223         ICE_FLOW_FIELD_IDX_IPV6_PRE48_SA,
 224         ICE_FLOW_FIELD_IDX_IPV6_PRE48_DA,
 225         ICE_FLOW_FIELD_IDX_IPV6_PRE64_SA,
 226         ICE_FLOW_FIELD_IDX_IPV6_PRE64_DA,
 227         /* L4 */
 228         ICE_FLOW_FIELD_IDX_TCP_SRC_PORT,
 229         ICE_FLOW_FIELD_IDX_TCP_DST_PORT,
 230         ICE_FLOW_FIELD_IDX_UDP_SRC_PORT,
 231         ICE_FLOW_FIELD_IDX_UDP_DST_PORT,
 232         ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT,
 233         ICE_FLOW_FIELD_IDX_SCTP_DST_PORT,
 234         ICE_FLOW_FIELD_IDX_TCP_FLAGS,
 235         /* ARP */
 236         ICE_FLOW_FIELD_IDX_ARP_SIP,
 237         ICE_FLOW_FIELD_IDX_ARP_DIP,
 238         ICE_FLOW_FIELD_IDX_ARP_SHA,
 239         ICE_FLOW_FIELD_IDX_ARP_DHA,
 240         ICE_FLOW_FIELD_IDX_ARP_OP,
 241         /* ICMP */
 242         ICE_FLOW_FIELD_IDX_ICMP_TYPE,
 243         ICE_FLOW_FIELD_IDX_ICMP_CODE,
 244         /* GRE */
 245         ICE_FLOW_FIELD_IDX_GRE_KEYID,
 246         /* GTPC_TEID */
 247         ICE_FLOW_FIELD_IDX_GTPC_TEID,
 248         /* GTPU_IP */
 249         ICE_FLOW_FIELD_IDX_GTPU_IP_TEID,
 250         /* GTPU_EH */
 251         ICE_FLOW_FIELD_IDX_GTPU_EH_TEID,
 252         ICE_FLOW_FIELD_IDX_GTPU_EH_QFI,
 253         /* GTPU_UP */
 254         ICE_FLOW_FIELD_IDX_GTPU_UP_TEID,
 255         /* GTPU_DWN */
 256         ICE_FLOW_FIELD_IDX_GTPU_DWN_TEID,
 257         /* PPPOE */
 258         ICE_FLOW_FIELD_IDX_PPPOE_SESS_ID,
 259         /* PFCP */
 260         ICE_FLOW_FIELD_IDX_PFCP_SEID,
 261         /* L2TPV3 */
 262         ICE_FLOW_FIELD_IDX_L2TPV3_SESS_ID,
 263         /* ESP */
 264         ICE_FLOW_FIELD_IDX_ESP_SPI,
 265         /* AH */
 266         ICE_FLOW_FIELD_IDX_AH_SPI,
 267         /* NAT_T ESP */
 268         ICE_FLOW_FIELD_IDX_NAT_T_ESP_SPI,
 269          /* The total number of enums must not exceed 64 */
 270         ICE_FLOW_FIELD_IDX_MAX
 271 };
 272
 273 /* Flow headers and fields for AVF support */
 274 enum ice_flow_avf_hdr_field {
 275         /* Values 0 - 28 are reserved for future use */
 276         ICE_AVF_FLOW_FIELD_INVALID              = 0,
 277         ICE_AVF_FLOW_FIELD_UNICAST_IPV4_UDP     = 29,
 278         ICE_AVF_FLOW_FIELD_MULTICAST_IPV4_UDP,
 279         ICE_AVF_FLOW_FIELD_IPV4_UDP,
 280         ICE_AVF_FLOW_FIELD_IPV4_TCP_SYN_NO_ACK,
 281         ICE_AVF_FLOW_FIELD_IPV4_TCP,
 282         ICE_AVF_FLOW_FIELD_IPV4_SCTP,
 283         ICE_AVF_FLOW_FIELD_IPV4_OTHER,
 284         ICE_AVF_FLOW_FIELD_FRAG_IPV4,
 285         /* Values 37-38 are reserved */
 286         ICE_AVF_FLOW_FIELD_UNICAST_IPV6_UDP     = 39,
 287         ICE_AVF_FLOW_FIELD_MULTICAST_IPV6_UDP,
 288         ICE_AVF_FLOW_FIELD_IPV6_UDP,
 289         ICE_AVF_FLOW_FIELD_IPV6_TCP_SYN_NO_ACK,
 290         ICE_AVF_FLOW_FIELD_IPV6_TCP,
 291         ICE_AVF_FLOW_FIELD_IPV6_SCTP,
 292         ICE_AVF_FLOW_FIELD_IPV6_OTHER,
 293         ICE_AVF_FLOW_FIELD_FRAG_IPV6,
 294         ICE_AVF_FLOW_FIELD_RSVD47,
 295         ICE_AVF_FLOW_FIELD_FCOE_OX,
 296         ICE_AVF_FLOW_FIELD_FCOE_RX,
 297         ICE_AVF_FLOW_FIELD_FCOE_OTHER,
 298         /* Values 51-62 are reserved */
 299         ICE_AVF_FLOW_FIELD_L2_PAYLOAD           = 63,
 300         ICE_AVF_FLOW_FIELD_MAX
 301 };
 302
 303 /* Supported RSS offloads  This macro is defined to support
 304  * VIRTCHNL_OP_GET_RSS_HENA_CAPS ops. PF driver sends the RSS hardware
 305  * capabilities to the caller of this ops.
 306  */
 307 #define ICE_DEFAULT_RSS_HENA ( \
 308         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_UDP) | \
 309         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_SCTP) | \
 310         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_TCP) | \
 311         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_OTHER) | \
 312         BIT_ULL(ICE_AVF_FLOW_FIELD_FRAG_IPV4) | \
 313         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_UDP) | \
 314         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_TCP) | \
 315         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_SCTP) | \
 316         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_OTHER) | \
 317         BIT_ULL(ICE_AVF_FLOW_FIELD_FRAG_IPV6) | \
 318         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_TCP_SYN_NO_ACK) | \
 319         BIT_ULL(ICE_AVF_FLOW_FIELD_UNICAST_IPV4_UDP) | \
 320         BIT_ULL(ICE_AVF_FLOW_FIELD_MULTICAST_IPV4_UDP) | \
 321         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_TCP_SYN_NO_ACK) | \
 322         BIT_ULL(ICE_AVF_FLOW_FIELD_UNICAST_IPV6_UDP) | \
 323         BIT_ULL(ICE_AVF_FLOW_FIELD_MULTICAST_IPV6_UDP))
 324
 325 enum ice_flow_dir {
 326         ICE_FLOW_DIR_UNDEFINED  = 0,
 327         ICE_FLOW_TX             = 0x01,
 328         ICE_FLOW_RX             = 0x02,
 329         ICE_FLOW_TX_RX          = ICE_FLOW_RX | ICE_FLOW_TX
 330 };
 331
 332 enum ice_flow_priority {
 333         ICE_FLOW_PRIO_LOW,
 334         ICE_FLOW_PRIO_NORMAL,
 335         ICE_FLOW_PRIO_HIGH
 336 };
 337
 338 #define ICE_FLOW_SEG_MAX                2
 339 #define ICE_FLOW_SEG_RAW_FLD_MAX        2
 340 #define ICE_FLOW_PROFILE_MAX            1024
 341 #define ICE_FLOW_SW_FIELD_VECTOR_MAX    48
 342 #define ICE_FLOW_ACL_FIELD_VECTOR_MAX   32
 343 #define ICE_FLOW_FV_EXTRACT_SZ          2
 344
 345 #define ICE_FLOW_SET_HDRS(seg, val)     ((seg)->hdrs |= (u32)(val))
 346
 347 struct ice_flow_seg_xtrct {
 348         u8 prot_id;     /* Protocol ID of extracted header field */
 349         u16 off;        /* Starting offset of the field in header in bytes */
 350         u8 idx;         /* Index of FV entry used */
 351         u8 disp;        /* Displacement of field in bits fr. FV entry's start */
 352         u16 mask;       /* Mask for field */
 353 };
 354
 355 enum ice_flow_fld_match_type {
 356         ICE_FLOW_FLD_TYPE_REG,          /* Value, mask */
 357         ICE_FLOW_FLD_TYPE_RANGE,        /* Value, mask, last (upper bound) */
 358         ICE_FLOW_FLD_TYPE_PREFIX,       /* IP address, prefix, size of prefix */
 359         ICE_FLOW_FLD_TYPE_SIZE,         /* Value, mask, size of match */
 360 };
 361
 362 struct ice_flow_fld_loc {
 363         /* Describe offsets of field information relative to the beginning of
 364          * input buffer provided when adding flow entries.
 365          */
 366         u16 val;        /* Offset where the value is located */
 367         u16 mask;       /* Offset where the mask/prefix value is located */
 368         u16 last;       /* Length or offset where the upper value is located */
 369 };
 370
 371 struct ice_flow_fld_info {
 372         enum ice_flow_fld_match_type type;
 373         /* Location where to retrieve data from an input buffer */
 374         struct ice_flow_fld_loc src;
 375         /* Location where to put the data into the final entry buffer */
 376         struct ice_flow_fld_loc entry;
 377         struct ice_flow_seg_xtrct xtrct;
 378 };
 379
 380 struct ice_flow_seg_fld_raw {
 381         struct ice_flow_fld_info info;
 382         u16 off;        /* Offset from the start of the segment */
 383 };
 384
 385 struct ice_flow_seg_info {
 386         u32 hdrs;       /* Bitmask indicating protocol headers present */
 387         u64 match;      /* Bitmask indicating header fields to be matched */
 388         u64 range;      /* Bitmask indicating header fields matched as ranges */
 389
 390         struct ice_flow_fld_info fields[ICE_FLOW_FIELD_IDX_MAX];
 391
 392         u8 raws_cnt;    /* Number of raw fields to be matched */
 393         struct ice_flow_seg_fld_raw raws[ICE_FLOW_SEG_RAW_FLD_MAX];
 394 };
 395
 396 /* This structure describes a flow entry, and is tracked only in this file */
 397 struct ice_flow_entry {
 398         struct LIST_ENTRY_TYPE l_entry;
 399
 400         u64 id;
 401         struct ice_flow_prof *prof;
 402         /* Action list */
 403         struct ice_flow_action *acts;
 404         /* Flow entry's content */
 405         void *entry;
 406         /* Range buffer (For ACL only) */
 407         struct ice_aqc_acl_profile_ranges *range_buf;
 408         enum ice_flow_priority priority;
 409         u16 vsi_handle;
 410         u16 entry_sz;
 411         /* Entry index in the ACL's scenario */
 412         u16 scen_entry_idx;
 413 #define ICE_FLOW_ACL_MAX_NUM_ACT        2
 414         u8 acts_cnt;
 415 };
 416
 417 #define ICE_FLOW_ENTRY_HNDL(e)  ((unsigned long)e)
 418 #define ICE_FLOW_ENTRY_PTR(h)   ((struct ice_flow_entry *)(h))
 419
 420 struct ice_flow_prof {
 421         struct LIST_ENTRY_TYPE l_entry;
 422
 423         u64 id;
 424         enum ice_flow_dir dir;
 425         u8 segs_cnt;
 426         u8 acts_cnt;
 427
 428         /* Keep track of flow entries associated with this flow profile */
 429         struct ice_lock entries_lock;
 430         struct LIST_HEAD_TYPE entries;
 431
 432         struct ice_flow_seg_info segs[ICE_FLOW_SEG_MAX];
 433
 434         /* software VSI handles referenced by this flow profile */
 435         ice_declare_bitmap(vsis, ICE_MAX_VSI);
 436
 437         union {
 438                 /* struct sw_recipe */
 439                 struct ice_acl_scen *scen;
 440                 /* struct fd */
 441                 u32 data;
 442                 /* Symmetric Hash for RSS */
 443                 bool symm;
 444         } cfg;
 445
 446         /* Default actions */
 447         struct ice_flow_action *acts;
 448 };
 449
 450 struct ice_rss_cfg {
 451         struct LIST_ENTRY_TYPE l_entry;
 452         /* bitmap of VSIs added to the RSS entry */
 453         ice_declare_bitmap(vsis, ICE_MAX_VSI);
 454         u64 hashed_flds;
 455         u32 packet_hdr;
 456         bool symm;
 457 };
 458
 459 enum ice_flow_action_type {
 460         ICE_FLOW_ACT_NOP,
 461         ICE_FLOW_ACT_ALLOW,
 462         ICE_FLOW_ACT_DROP,
 463         ICE_FLOW_ACT_CNTR_PKT,
 464         ICE_FLOW_ACT_FWD_VSI,
 465         ICE_FLOW_ACT_FWD_VSI_LIST,      /* Should be abstracted away */
 466         ICE_FLOW_ACT_FWD_QUEUE,         /* Can Queues be abstracted away? */
 467         ICE_FLOW_ACT_FWD_QUEUE_GROUP,   /* Can Queues be abstracted away? */
 468         ICE_FLOW_ACT_PUSH,
 469         ICE_FLOW_ACT_POP,
 470         ICE_FLOW_ACT_MODIFY,
 471         ICE_FLOW_ACT_CNTR_BYTES,
 472         ICE_FLOW_ACT_CNTR_PKT_BYTES,
 473         ICE_FLOW_ACT_GENERIC_0,
 474         ICE_FLOW_ACT_GENERIC_1,
 475         ICE_FLOW_ACT_GENERIC_2,
 476         ICE_FLOW_ACT_GENERIC_3,
 477         ICE_FLOW_ACT_GENERIC_4,
 478         ICE_FLOW_ACT_RPT_FLOW_ID,
 479         ICE_FLOW_ACT_BUILD_PROF_IDX,
 480 };
 481
 482 struct ice_flow_action {
 483         enum ice_flow_action_type type;
 484         union {
 485                 struct ice_acl_act_entry acl_act;
 486                 u32 dummy;
 487         } data;
 488 };
 489
 490 u64
 491 ice_flow_find_prof(struct ice_hw *hw, enum ice_block blk, enum ice_flow_dir dir,
 492                    struct ice_flow_seg_info *segs, u8 segs_cnt);
 493 enum ice_status
 494 ice_flow_add_prof(struct ice_hw *hw, enum ice_block blk, enum ice_flow_dir dir,
 495                   u64 prof_id, struct ice_flow_seg_info *segs, u8 segs_cnt,
 496                   struct ice_flow_action *acts, u8 acts_cnt,
 497                   struct ice_flow_prof **prof);
 498 enum ice_status
 499 ice_flow_rem_prof(struct ice_hw *hw, enum ice_block blk, u64 prof_id);
 500 enum ice_status
 501 ice_flow_assoc_vsig_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi_handle,
 502                         u16 vsig);
 503 enum ice_status
 504 ice_flow_get_hw_prof(struct ice_hw *hw, enum ice_block blk, u64 prof_id,
 505                      u8 *hw_prof);
 506
 507 u64 ice_flow_find_entry(struct ice_hw *hw, enum ice_block blk, u64 entry_id);
 508 enum ice_status
 509 ice_flow_add_entry(struct ice_hw *hw, enum ice_block blk, u64 prof_id,
 510                    u64 entry_id, u16 vsi, enum ice_flow_priority prio,
 511                    void *data, struct ice_flow_action *acts, u8 acts_cnt,
 512                    u64 *entry_h);
 513 enum ice_status
 514 ice_flow_rem_entry(struct ice_hw *hw, enum ice_block blk, u64 entry_h);
 515 void
 516 ice_flow_set_fld(struct ice_flow_seg_info *seg, enum ice_flow_field fld,
 517                  u16 val_loc, u16 mask_loc, u16 last_loc, bool range);
 518 void
 519 ice_flow_set_fld_prefix(struct ice_flow_seg_info *seg, enum ice_flow_field fld,
 520                         u16 val_loc, u16 prefix_loc, u8 prefix_sz);
 521 void
 522 ice_flow_add_fld_raw(struct ice_flow_seg_info *seg, u16 off, u8 len,
 523                      u16 val_loc, u16 mask_loc);
 524 void ice_rem_vsi_rss_list(struct ice_hw *hw, u16 vsi_handle);
 525 enum ice_status ice_replay_rss_cfg(struct ice_hw *hw, u16 vsi_handle);
 526 enum ice_status
 527 ice_add_avf_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u64 hashed_flds);
 528 enum ice_status ice_rem_vsi_rss_cfg(struct ice_hw *hw, u16 vsi_handle);
 529 enum ice_status
 530 ice_add_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u64 hashed_flds,
 531                 u32 addl_hdrs, bool symm);
 532 enum ice_status
 533 ice_rem_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u64 hashed_flds,
 534                 u32 addl_hdrs);
 535 u64 ice_get_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u32 hdrs);
 536 #endif /* _ICE_FLOW_H_ */