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 };
 182
 183 /* These segements all have the same PTYPES, but are otherwise distinguished by
 184  * the value of the gtp_eh_pdu and gtp_eh_pdu_link flags:
 185  *
 186  *                                gtp_eh_pdu     gtp_eh_pdu_link
 187  * ICE_FLOW_SEG_HDR_GTPU_IP           0              0
 188  * ICE_FLOW_SEG_HDR_GTPU_EH           1              don't care
 189  * ICE_FLOW_SEG_HDR_GTPU_DWN          1              0
 190  * ICE_FLOW_SEG_HDR_GTPU_UP           1              1
 191  */
 192 #define ICE_FLOW_SEG_HDR_GTPU (ICE_FLOW_SEG_HDR_GTPU_IP | \
 193                                ICE_FLOW_SEG_HDR_GTPU_EH | \
 194                                ICE_FLOW_SEG_HDR_GTPU_DWN | \
 195                                ICE_FLOW_SEG_HDR_GTPU_UP)
 196 #define ICE_FLOW_SEG_HDR_PFCP (ICE_FLOW_SEG_HDR_PFCP_NODE | \
 197                                ICE_FLOW_SEG_HDR_PFCP_SESSION)
 198
 199 enum ice_flow_field {
 200         /* L2 */
 201         ICE_FLOW_FIELD_IDX_ETH_DA,
 202         ICE_FLOW_FIELD_IDX_ETH_SA,
 203         ICE_FLOW_FIELD_IDX_S_VLAN,
 204         ICE_FLOW_FIELD_IDX_C_VLAN,
 205         ICE_FLOW_FIELD_IDX_ETH_TYPE,
 206         /* L3 */
 207         ICE_FLOW_FIELD_IDX_IPV4_DSCP,
 208         ICE_FLOW_FIELD_IDX_IPV6_DSCP,
 209         ICE_FLOW_FIELD_IDX_IPV4_TTL,
 210         ICE_FLOW_FIELD_IDX_IPV4_PROT,
 211         ICE_FLOW_FIELD_IDX_IPV6_TTL,
 212         ICE_FLOW_FIELD_IDX_IPV6_PROT,
 213         ICE_FLOW_FIELD_IDX_IPV4_SA,
 214         ICE_FLOW_FIELD_IDX_IPV4_DA,
 215         ICE_FLOW_FIELD_IDX_IPV6_SA,
 216         ICE_FLOW_FIELD_IDX_IPV6_DA,
 217         ICE_FLOW_FIELD_IDX_IPV6_PRE32_SA,
 218         ICE_FLOW_FIELD_IDX_IPV6_PRE32_DA,
 219         ICE_FLOW_FIELD_IDX_IPV6_PRE48_SA,
 220         ICE_FLOW_FIELD_IDX_IPV6_PRE48_DA,
 221         ICE_FLOW_FIELD_IDX_IPV6_PRE64_SA,
 222         ICE_FLOW_FIELD_IDX_IPV6_PRE64_DA,
 223         /* L4 */
 224         ICE_FLOW_FIELD_IDX_TCP_SRC_PORT,
 225         ICE_FLOW_FIELD_IDX_TCP_DST_PORT,
 226         ICE_FLOW_FIELD_IDX_UDP_SRC_PORT,
 227         ICE_FLOW_FIELD_IDX_UDP_DST_PORT,
 228         ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT,
 229         ICE_FLOW_FIELD_IDX_SCTP_DST_PORT,
 230         ICE_FLOW_FIELD_IDX_TCP_FLAGS,
 231         /* ARP */
 232         ICE_FLOW_FIELD_IDX_ARP_SIP,
 233         ICE_FLOW_FIELD_IDX_ARP_DIP,
 234         ICE_FLOW_FIELD_IDX_ARP_SHA,
 235         ICE_FLOW_FIELD_IDX_ARP_DHA,
 236         ICE_FLOW_FIELD_IDX_ARP_OP,
 237         /* ICMP */
 238         ICE_FLOW_FIELD_IDX_ICMP_TYPE,
 239         ICE_FLOW_FIELD_IDX_ICMP_CODE,
 240         /* GRE */
 241         ICE_FLOW_FIELD_IDX_GRE_KEYID,
 242         /* GTPC_TEID */
 243         ICE_FLOW_FIELD_IDX_GTPC_TEID,
 244         /* GTPU_IP */
 245         ICE_FLOW_FIELD_IDX_GTPU_IP_TEID,
 246         /* GTPU_EH */
 247         ICE_FLOW_FIELD_IDX_GTPU_EH_TEID,
 248         ICE_FLOW_FIELD_IDX_GTPU_EH_QFI,
 249         /* GTPU_UP */
 250         ICE_FLOW_FIELD_IDX_GTPU_UP_TEID,
 251         /* GTPU_DWN */
 252         ICE_FLOW_FIELD_IDX_GTPU_DWN_TEID,
 253         /* PPPOE */
 254         ICE_FLOW_FIELD_IDX_PPPOE_SESS_ID,
 255         /* PFCP */
 256         ICE_FLOW_FIELD_IDX_PFCP_SEID,
 257         /* L2TPV3 */
 258         ICE_FLOW_FIELD_IDX_L2TPV3_SESS_ID,
 259         /* ESP */
 260         ICE_FLOW_FIELD_IDX_ESP_SPI,
 261         /* AH */
 262         ICE_FLOW_FIELD_IDX_AH_SPI,
 263         /* NAT_T ESP */
 264         ICE_FLOW_FIELD_IDX_NAT_T_ESP_SPI,
 265          /* The total number of enums must not exceed 64 */
 266         ICE_FLOW_FIELD_IDX_MAX
 267 };
 268
 269 /* Flow headers and fields for AVF support */
 270 enum ice_flow_avf_hdr_field {
 271         /* Values 0 - 28 are reserved for future use */
 272         ICE_AVF_FLOW_FIELD_INVALID              = 0,
 273         ICE_AVF_FLOW_FIELD_UNICAST_IPV4_UDP     = 29,
 274         ICE_AVF_FLOW_FIELD_MULTICAST_IPV4_UDP,
 275         ICE_AVF_FLOW_FIELD_IPV4_UDP,
 276         ICE_AVF_FLOW_FIELD_IPV4_TCP_SYN_NO_ACK,
 277         ICE_AVF_FLOW_FIELD_IPV4_TCP,
 278         ICE_AVF_FLOW_FIELD_IPV4_SCTP,
 279         ICE_AVF_FLOW_FIELD_IPV4_OTHER,
 280         ICE_AVF_FLOW_FIELD_FRAG_IPV4,
 281         /* Values 37-38 are reserved */
 282         ICE_AVF_FLOW_FIELD_UNICAST_IPV6_UDP     = 39,
 283         ICE_AVF_FLOW_FIELD_MULTICAST_IPV6_UDP,
 284         ICE_AVF_FLOW_FIELD_IPV6_UDP,
 285         ICE_AVF_FLOW_FIELD_IPV6_TCP_SYN_NO_ACK,
 286         ICE_AVF_FLOW_FIELD_IPV6_TCP,
 287         ICE_AVF_FLOW_FIELD_IPV6_SCTP,
 288         ICE_AVF_FLOW_FIELD_IPV6_OTHER,
 289         ICE_AVF_FLOW_FIELD_FRAG_IPV6,
 290         ICE_AVF_FLOW_FIELD_RSVD47,
 291         ICE_AVF_FLOW_FIELD_FCOE_OX,
 292         ICE_AVF_FLOW_FIELD_FCOE_RX,
 293         ICE_AVF_FLOW_FIELD_FCOE_OTHER,
 294         /* Values 51-62 are reserved */
 295         ICE_AVF_FLOW_FIELD_L2_PAYLOAD           = 63,
 296         ICE_AVF_FLOW_FIELD_MAX
 297 };
 298
 299 /* Supported RSS offloads  This macro is defined to support
 300  * VIRTCHNL_OP_GET_RSS_HENA_CAPS ops. PF driver sends the RSS hardware
 301  * capabilities to the caller of this ops.
 302  */
 303 #define ICE_DEFAULT_RSS_HENA ( \
 304         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_UDP) | \
 305         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_SCTP) | \
 306         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_TCP) | \
 307         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_OTHER) | \
 308         BIT_ULL(ICE_AVF_FLOW_FIELD_FRAG_IPV4) | \
 309         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_UDP) | \
 310         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_TCP) | \
 311         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_SCTP) | \
 312         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_OTHER) | \
 313         BIT_ULL(ICE_AVF_FLOW_FIELD_FRAG_IPV6) | \
 314         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_TCP_SYN_NO_ACK) | \
 315         BIT_ULL(ICE_AVF_FLOW_FIELD_UNICAST_IPV4_UDP) | \
 316         BIT_ULL(ICE_AVF_FLOW_FIELD_MULTICAST_IPV4_UDP) | \
 317         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_TCP_SYN_NO_ACK) | \
 318         BIT_ULL(ICE_AVF_FLOW_FIELD_UNICAST_IPV6_UDP) | \
 319         BIT_ULL(ICE_AVF_FLOW_FIELD_MULTICAST_IPV6_UDP))
 320
 321 enum ice_flow_dir {
 322         ICE_FLOW_DIR_UNDEFINED  = 0,
 323         ICE_FLOW_TX             = 0x01,
 324         ICE_FLOW_RX             = 0x02,
 325         ICE_FLOW_TX_RX          = ICE_FLOW_RX | ICE_FLOW_TX
 326 };
 327
 328 enum ice_flow_priority {
 329         ICE_FLOW_PRIO_LOW,
 330         ICE_FLOW_PRIO_NORMAL,
 331         ICE_FLOW_PRIO_HIGH
 332 };
 333
 334 #define ICE_FLOW_SEG_MAX                2
 335 #define ICE_FLOW_SEG_RAW_FLD_MAX        2
 336 #define ICE_FLOW_PROFILE_MAX            1024
 337 #define ICE_FLOW_SW_FIELD_VECTOR_MAX    48
 338 #define ICE_FLOW_ACL_FIELD_VECTOR_MAX   32
 339 #define ICE_FLOW_FV_EXTRACT_SZ          2
 340
 341 #define ICE_FLOW_SET_HDRS(seg, val)     ((seg)->hdrs |= (u32)(val))
 342
 343 struct ice_flow_seg_xtrct {
 344         u8 prot_id;     /* Protocol ID of extracted header field */
 345         u16 off;        /* Starting offset of the field in header in bytes */
 346         u8 idx;         /* Index of FV entry used */
 347         u8 disp;        /* Displacement of field in bits fr. FV entry's start */
 348         u16 mask;       /* Mask for field */
 349 };
 350
 351 enum ice_flow_fld_match_type {
 352         ICE_FLOW_FLD_TYPE_REG,          /* Value, mask */
 353         ICE_FLOW_FLD_TYPE_RANGE,        /* Value, mask, last (upper bound) */
 354         ICE_FLOW_FLD_TYPE_PREFIX,       /* IP address, prefix, size of prefix */
 355         ICE_FLOW_FLD_TYPE_SIZE,         /* Value, mask, size of match */
 356 };
 357
 358 struct ice_flow_fld_loc {
 359         /* Describe offsets of field information relative to the beginning of
 360          * input buffer provided when adding flow entries.
 361          */
 362         u16 val;        /* Offset where the value is located */
 363         u16 mask;       /* Offset where the mask/prefix value is located */
 364         u16 last;       /* Length or offset where the upper value is located */
 365 };
 366
 367 struct ice_flow_fld_info {
 368         enum ice_flow_fld_match_type type;
 369         /* Location where to retrieve data from an input buffer */
 370         struct ice_flow_fld_loc src;
 371         /* Location where to put the data into the final entry buffer */
 372         struct ice_flow_fld_loc entry;
 373         struct ice_flow_seg_xtrct xtrct;
 374 };
 375
 376 struct ice_flow_seg_fld_raw {
 377         struct ice_flow_fld_info info;
 378         u16 off;        /* Offset from the start of the segment */
 379 };
 380
 381 struct ice_flow_seg_info {
 382         u32 hdrs;       /* Bitmask indicating protocol headers present */
 383         u64 match;      /* Bitmask indicating header fields to be matched */
 384         u64 range;      /* Bitmask indicating header fields matched as ranges */
 385
 386         struct ice_flow_fld_info fields[ICE_FLOW_FIELD_IDX_MAX];
 387
 388         u8 raws_cnt;    /* Number of raw fields to be matched */
 389         struct ice_flow_seg_fld_raw raws[ICE_FLOW_SEG_RAW_FLD_MAX];
 390 };
 391
 392 /* This structure describes a flow entry, and is tracked only in this file */
 393 struct ice_flow_entry {
 394         struct LIST_ENTRY_TYPE l_entry;
 395
 396         u64 id;
 397         struct ice_flow_prof *prof;
 398         /* Action list */
 399         struct ice_flow_action *acts;
 400         /* Flow entry's content */
 401         void *entry;
 402         /* Range buffer (For ACL only) */
 403         struct ice_aqc_acl_profile_ranges *range_buf;
 404         enum ice_flow_priority priority;
 405         u16 vsi_handle;
 406         u16 entry_sz;
 407         /* Entry index in the ACL's scenario */
 408         u16 scen_entry_idx;
 409 #define ICE_FLOW_ACL_MAX_NUM_ACT        2
 410         u8 acts_cnt;
 411 };
 412
 413 #define ICE_FLOW_ENTRY_HNDL(e)  ((unsigned long)e)
 414 #define ICE_FLOW_ENTRY_PTR(h)   ((struct ice_flow_entry *)(h))
 415
 416 struct ice_flow_prof {
 417         struct LIST_ENTRY_TYPE l_entry;
 418
 419         u64 id;
 420         enum ice_flow_dir dir;
 421         u8 segs_cnt;
 422         u8 acts_cnt;
 423
 424         /* Keep track of flow entries associated with this flow profile */
 425         struct ice_lock entries_lock;
 426         struct LIST_HEAD_TYPE entries;
 427
 428         struct ice_flow_seg_info segs[ICE_FLOW_SEG_MAX];
 429
 430         /* software VSI handles referenced by this flow profile */
 431         ice_declare_bitmap(vsis, ICE_MAX_VSI);
 432
 433         union {
 434                 /* struct sw_recipe */
 435                 struct ice_acl_scen *scen;
 436                 /* struct fd */
 437                 u32 data;
 438                 /* Symmetric Hash for RSS */
 439                 bool symm;
 440         } cfg;
 441
 442         /* Default actions */
 443         struct ice_flow_action *acts;
 444 };
 445
 446 struct ice_rss_cfg {
 447         struct LIST_ENTRY_TYPE l_entry;
 448         /* bitmap of VSIs added to the RSS entry */
 449         ice_declare_bitmap(vsis, ICE_MAX_VSI);
 450         u64 hashed_flds;
 451         u32 packet_hdr;
 452         bool symm;
 453 };
 454
 455 enum ice_flow_action_type {
 456         ICE_FLOW_ACT_NOP,
 457         ICE_FLOW_ACT_ALLOW,
 458         ICE_FLOW_ACT_DROP,
 459         ICE_FLOW_ACT_CNTR_PKT,
 460         ICE_FLOW_ACT_FWD_VSI,
 461         ICE_FLOW_ACT_FWD_VSI_LIST,      /* Should be abstracted away */
 462         ICE_FLOW_ACT_FWD_QUEUE,         /* Can Queues be abstracted away? */
 463         ICE_FLOW_ACT_FWD_QUEUE_GROUP,   /* Can Queues be abstracted away? */
 464         ICE_FLOW_ACT_PUSH,
 465         ICE_FLOW_ACT_POP,
 466         ICE_FLOW_ACT_MODIFY,
 467         ICE_FLOW_ACT_CNTR_BYTES,
 468         ICE_FLOW_ACT_CNTR_PKT_BYTES,
 469         ICE_FLOW_ACT_GENERIC_0,
 470         ICE_FLOW_ACT_GENERIC_1,
 471         ICE_FLOW_ACT_GENERIC_2,
 472         ICE_FLOW_ACT_GENERIC_3,
 473         ICE_FLOW_ACT_GENERIC_4,
 474         ICE_FLOW_ACT_RPT_FLOW_ID,
 475         ICE_FLOW_ACT_BUILD_PROF_IDX,
 476 };
 477
 478 struct ice_flow_action {
 479         enum ice_flow_action_type type;
 480         union {
 481                 struct ice_acl_act_entry acl_act;
 482                 u32 dummy;
 483         } data;
 484 };
 485
 486 u64
 487 ice_flow_find_prof(struct ice_hw *hw, enum ice_block blk, enum ice_flow_dir dir,
 488                    struct ice_flow_seg_info *segs, u8 segs_cnt);
 489 enum ice_status
 490 ice_flow_add_prof(struct ice_hw *hw, enum ice_block blk, enum ice_flow_dir dir,
 491                   u64 prof_id, struct ice_flow_seg_info *segs, u8 segs_cnt,
 492                   struct ice_flow_action *acts, u8 acts_cnt,
 493                   struct ice_flow_prof **prof);
 494 enum ice_status
 495 ice_flow_rem_prof(struct ice_hw *hw, enum ice_block blk, u64 prof_id);
 496 enum ice_status
 497 ice_flow_assoc_vsig_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi_handle,
 498                         u16 vsig);
 499 enum ice_status
 500 ice_flow_get_hw_prof(struct ice_hw *hw, enum ice_block blk, u64 prof_id,
 501                      u8 *hw_prof);
 502
 503 u64 ice_flow_find_entry(struct ice_hw *hw, enum ice_block blk, u64 entry_id);
 504 enum ice_status
 505 ice_flow_add_entry(struct ice_hw *hw, enum ice_block blk, u64 prof_id,
 506                    u64 entry_id, u16 vsi, enum ice_flow_priority prio,
 507                    void *data, struct ice_flow_action *acts, u8 acts_cnt,
 508                    u64 *entry_h);
 509 enum ice_status
 510 ice_flow_rem_entry(struct ice_hw *hw, enum ice_block blk, u64 entry_h);
 511 void
 512 ice_flow_set_fld(struct ice_flow_seg_info *seg, enum ice_flow_field fld,
 513                  u16 val_loc, u16 mask_loc, u16 last_loc, bool range);
 514 void
 515 ice_flow_set_fld_prefix(struct ice_flow_seg_info *seg, enum ice_flow_field fld,
 516                         u16 val_loc, u16 prefix_loc, u8 prefix_sz);
 517 void
 518 ice_flow_add_fld_raw(struct ice_flow_seg_info *seg, u16 off, u8 len,
 519                      u16 val_loc, u16 mask_loc);
 520 void ice_rem_vsi_rss_list(struct ice_hw *hw, u16 vsi_handle);
 521 enum ice_status ice_replay_rss_cfg(struct ice_hw *hw, u16 vsi_handle);
 522 enum ice_status
 523 ice_add_avf_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u64 hashed_flds);
 524 enum ice_status ice_rem_vsi_rss_cfg(struct ice_hw *hw, u16 vsi_handle);
 525 enum ice_status
 526 ice_add_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u64 hashed_flds,
 527                 u32 addl_hdrs, bool symm);
 528 enum ice_status
 529 ice_rem_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u64 hashed_flds,
 530                 u32 addl_hdrs);
 531 u64 ice_get_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u32 hdrs);
 532 #endif /* _ICE_FLOW_H_ */