drivers/net/ice/base/ice_flow.h

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2001-2019
   3  */
   4
   5 #ifndef _ICE_FLOW_H_
   6 #define _ICE_FLOW_H_
   7
   8 #include "ice_flex_type.h"
   9 #define ICE_IPV4_MAKE_PREFIX_MASK(prefix) ((u32)(~0) << (32 - (prefix)))
  10 #define ICE_FLOW_PROF_ID_INVAL          0xfffffffffffffffful
  11 #define ICE_FLOW_PROF_ID_BYPASS         0
  12 #define ICE_FLOW_PROF_ID_DEFAULT        1
  13 #define ICE_FLOW_ENTRY_HANDLE_INVAL     0
  14 #define ICE_FLOW_VSI_INVAL              0xffff
  15 #define ICE_FLOW_FLD_OFF_INVAL          0xffff
  16
  17 /* Generate flow hash field from flow field type(s) */
  18 #define ICE_FLOW_HASH_ETH       \
  19         (BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_DA) | \
  20          BIT_ULL(ICE_FLOW_FIELD_IDX_ETH_SA))
  21 #define ICE_FLOW_HASH_IPV4      \
  22         (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) | \
  23          BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA))
  24 #define ICE_FLOW_HASH_IPV6      \
  25         (BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) | \
  26          BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA))
  27 #define ICE_FLOW_HASH_TCP_PORT  \
  28         (BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT) | \
  29          BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT))
  30 #define ICE_FLOW_HASH_UDP_PORT  \
  31         (BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT) | \
  32          BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT))
  33 #define ICE_FLOW_HASH_SCTP_PORT \
  34         (BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT) | \
  35          BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT))
  36
  37 #define ICE_HASH_INVALID        0
  38 #define ICE_HASH_TCP_IPV4       (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_TCP_PORT)
  39 #define ICE_HASH_TCP_IPV6       (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_TCP_PORT)
  40 #define ICE_HASH_UDP_IPV4       (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_UDP_PORT)
  41 #define ICE_HASH_UDP_IPV6       (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_UDP_PORT)
  42 #define ICE_HASH_SCTP_IPV4      (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_SCTP_PORT)
  43 #define ICE_HASH_SCTP_IPV6      (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_SCTP_PORT)
  44
  45 #define ICE_FLOW_HASH_GTP_TEID \
  46         (BIT_ULL(ICE_FLOW_FIELD_IDX_GTPC_TEID))
  47
  48 #define ICE_FLOW_HASH_GTP_IPV4_TEID \
  49         (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_GTP_TEID)
  50 #define ICE_FLOW_HASH_GTP_IPV6_TEID \
  51         (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_GTP_TEID)
  52
  53 #define ICE_FLOW_HASH_GTP_U_TEID \
  54         (BIT_ULL(ICE_FLOW_FIELD_IDX_GTPU_IP_TEID))
  55
  56 #define ICE_FLOW_HASH_GTP_U_IPV4_TEID \
  57         (ICE_FLOW_HASH_IPV4 | ICE_FLOW_HASH_GTP_U_TEID)
  58 #define ICE_FLOW_HASH_GTP_U_IPV6_TEID \
  59         (ICE_FLOW_HASH_IPV6 | ICE_FLOW_HASH_GTP_U_TEID)
  60
  61 #define ICE_FLOW_HASH_PPPOE_SESS_ID \
  62         (BIT_ULL(ICE_FLOW_FIELD_IDX_PPPOE_SESS_ID))
  63
  64 #define ICE_FLOW_HASH_PPPOE_SESS_ID_ETH \
  65         (ICE_FLOW_HASH_ETH | ICE_FLOW_HASH_PPPOE_SESS_ID)
  66 #define ICE_FLOW_HASH_PPPOE_TCP_ID \
  67         (ICE_FLOW_HASH_TCP_PORT | ICE_FLOW_HASH_PPPOE_SESS_ID)
  68 #define ICE_FLOW_HASH_PPPOE_UDP_ID \
  69         (ICE_FLOW_HASH_UDP_PORT | ICE_FLOW_HASH_PPPOE_SESS_ID)
  70
  71 /* Protocol header fields within a packet segment. A segment consists of one or
  72  * more protocol headers that make up a logical group of protocol headers. Each
  73  * logical group of protocol headers encapsulates or is encapsulated using/by
  74  * tunneling or encapsulation protocols for network virtualization such as GRE,
  75  * VxLAN, etc.
  76  */
  77 enum ice_flow_seg_hdr {
  78         ICE_FLOW_SEG_HDR_NONE           = 0x00000000,
  79         ICE_FLOW_SEG_HDR_ETH            = 0x00000001,
  80         ICE_FLOW_SEG_HDR_VLAN           = 0x00000002,
  81         ICE_FLOW_SEG_HDR_IPV4           = 0x00000004,
  82         ICE_FLOW_SEG_HDR_IPV6           = 0x00000008,
  83         ICE_FLOW_SEG_HDR_ARP            = 0x00000010,
  84         ICE_FLOW_SEG_HDR_ICMP           = 0x00000020,
  85         ICE_FLOW_SEG_HDR_TCP            = 0x00000040,
  86         ICE_FLOW_SEG_HDR_UDP            = 0x00000080,
  87         ICE_FLOW_SEG_HDR_SCTP           = 0x00000100,
  88         ICE_FLOW_SEG_HDR_GRE            = 0x00000200,
  89         ICE_FLOW_SEG_HDR_GTPC           = 0x00000400,
  90         ICE_FLOW_SEG_HDR_GTPC_TEID      = 0x00000800,
  91         ICE_FLOW_SEG_HDR_GTPU_IP        = 0x00001000,
  92         ICE_FLOW_SEG_HDR_GTPU_DWN       = 0x00002000,
  93         ICE_FLOW_SEG_HDR_GTPU_UP        = 0x00004000,
  94         ICE_FLOW_SEG_HDR_PPPOE          = 0x00008000,
  95 };
  96
  97 /* These segements all have the same PTYPES, but are otherwise distinguished by
  98  * the value of the gtp_eh_pdu and gtp_eh_pdu_link flags:
  99  *
 100  *                                gtp_eh_pdu     gtp_eh_pdu_link
 101  * ICE_FLOW_SEG_HDR_GTPU_IP           0              0
 102  * ICE_FLOW_SEG_HDR_GTPU_DWN          1              0
 103  * ICE_FLOW_SEG_HDR_GTPU_UP           1              1
 104  */
 105 #define ICE_FLOW_SEG_HDR_GTPU (ICE_FLOW_SEG_HDR_GTPU_IP | \
 106                                ICE_FLOW_SEG_HDR_GTPU_DWN | \
 107                                ICE_FLOW_SEG_HDR_GTPU_UP)
 108
 109 enum ice_flow_field {
 110         /* L2 */
 111         ICE_FLOW_FIELD_IDX_ETH_DA,
 112         ICE_FLOW_FIELD_IDX_ETH_SA,
 113         ICE_FLOW_FIELD_IDX_S_VLAN,
 114         ICE_FLOW_FIELD_IDX_C_VLAN,
 115         ICE_FLOW_FIELD_IDX_ETH_TYPE,
 116         /* L3 */
 117         ICE_FLOW_FIELD_IDX_IPV4_DSCP,
 118         ICE_FLOW_FIELD_IDX_IPV6_DSCP,
 119         ICE_FLOW_FIELD_IDX_IPV4_TTL,
 120         ICE_FLOW_FIELD_IDX_IPV4_PROT,
 121         ICE_FLOW_FIELD_IDX_IPV6_TTL,
 122         ICE_FLOW_FIELD_IDX_IPV6_PROT,
 123         ICE_FLOW_FIELD_IDX_IPV4_SA,
 124         ICE_FLOW_FIELD_IDX_IPV4_DA,
 125         ICE_FLOW_FIELD_IDX_IPV6_SA,
 126         ICE_FLOW_FIELD_IDX_IPV6_DA,
 127         /* L4 */
 128         ICE_FLOW_FIELD_IDX_TCP_SRC_PORT,
 129         ICE_FLOW_FIELD_IDX_TCP_DST_PORT,
 130         ICE_FLOW_FIELD_IDX_UDP_SRC_PORT,
 131         ICE_FLOW_FIELD_IDX_UDP_DST_PORT,
 132         ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT,
 133         ICE_FLOW_FIELD_IDX_SCTP_DST_PORT,
 134         ICE_FLOW_FIELD_IDX_TCP_FLAGS,
 135         /* ARP */
 136         ICE_FLOW_FIELD_IDX_ARP_SIP,
 137         ICE_FLOW_FIELD_IDX_ARP_DIP,
 138         ICE_FLOW_FIELD_IDX_ARP_SHA,
 139         ICE_FLOW_FIELD_IDX_ARP_DHA,
 140         ICE_FLOW_FIELD_IDX_ARP_OP,
 141         /* ICMP */
 142         ICE_FLOW_FIELD_IDX_ICMP_TYPE,
 143         ICE_FLOW_FIELD_IDX_ICMP_CODE,
 144         /* GRE */
 145         ICE_FLOW_FIELD_IDX_GRE_KEYID,
 146         /* GTPC_TEID */
 147         ICE_FLOW_FIELD_IDX_GTPC_TEID,
 148         /* GTPU_IP */
 149         ICE_FLOW_FIELD_IDX_GTPU_IP_TEID,
 150         /* GTPU_UP */
 151         ICE_FLOW_FIELD_IDX_GTPU_UP_TEID,
 152         /* GTPU_DWN */
 153         ICE_FLOW_FIELD_IDX_GTPU_DWN_TEID,
 154         /* PPPOE */
 155         ICE_FLOW_FIELD_IDX_PPPOE_SESS_ID,
 156          /* The total number of enums must not exceed 64 */
 157         ICE_FLOW_FIELD_IDX_MAX
 158 };
 159
 160 /* Flow headers and fields for AVF support */
 161 enum ice_flow_avf_hdr_field {
 162         /* Values 0 - 28 are reserved for future use */
 163         ICE_AVF_FLOW_FIELD_INVALID              = 0,
 164         ICE_AVF_FLOW_FIELD_UNICAST_IPV4_UDP     = 29,
 165         ICE_AVF_FLOW_FIELD_MULTICAST_IPV4_UDP,
 166         ICE_AVF_FLOW_FIELD_IPV4_UDP,
 167         ICE_AVF_FLOW_FIELD_IPV4_TCP_SYN_NO_ACK,
 168         ICE_AVF_FLOW_FIELD_IPV4_TCP,
 169         ICE_AVF_FLOW_FIELD_IPV4_SCTP,
 170         ICE_AVF_FLOW_FIELD_IPV4_OTHER,
 171         ICE_AVF_FLOW_FIELD_FRAG_IPV4,
 172         ICE_AVF_FLOW_FIELD_UNICAST_IPV6_UDP     = 39,
 173         ICE_AVF_FLOW_FIELD_MULTICAST_IPV6_UDP,
 174         ICE_AVF_FLOW_FIELD_IPV6_UDP,
 175         ICE_AVF_FLOW_FIELD_IPV6_TCP_SYN_NO_ACK,
 176         ICE_AVF_FLOW_FIELD_IPV6_TCP,
 177         ICE_AVF_FLOW_FIELD_IPV6_SCTP,
 178         ICE_AVF_FLOW_FIELD_IPV6_OTHER,
 179         ICE_AVF_FLOW_FIELD_FRAG_IPV6,
 180         ICE_AVF_FLOW_FIELD_RSVD47,
 181         ICE_AVF_FLOW_FIELD_FCOE_OX,
 182         ICE_AVF_FLOW_FIELD_FCOE_RX,
 183         ICE_AVF_FLOW_FIELD_FCOE_OTHER,
 184         /* Values 51-62 are reserved */
 185         ICE_AVF_FLOW_FIELD_L2_PAYLOAD           = 63,
 186         ICE_AVF_FLOW_FIELD_MAX
 187 };
 188
 189 /* Supported RSS offloads  This macro is defined to support
 190  * VIRTCHNL_OP_GET_RSS_HENA_CAPS ops. PF driver sends the RSS hardware
 191  * capabilities to the caller of this ops.
 192  */
 193 #define ICE_DEFAULT_RSS_HENA ( \
 194         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_UDP) | \
 195         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_SCTP) | \
 196         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_TCP) | \
 197         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_OTHER) | \
 198         BIT_ULL(ICE_AVF_FLOW_FIELD_FRAG_IPV4) | \
 199         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_UDP) | \
 200         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_TCP) | \
 201         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_SCTP) | \
 202         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_OTHER) | \
 203         BIT_ULL(ICE_AVF_FLOW_FIELD_FRAG_IPV6) | \
 204         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV4_TCP_SYN_NO_ACK) | \
 205         BIT_ULL(ICE_AVF_FLOW_FIELD_UNICAST_IPV4_UDP) | \
 206         BIT_ULL(ICE_AVF_FLOW_FIELD_MULTICAST_IPV4_UDP) | \
 207         BIT_ULL(ICE_AVF_FLOW_FIELD_IPV6_TCP_SYN_NO_ACK) | \
 208         BIT_ULL(ICE_AVF_FLOW_FIELD_UNICAST_IPV6_UDP) | \
 209         BIT_ULL(ICE_AVF_FLOW_FIELD_MULTICAST_IPV6_UDP))
 210
 211 enum ice_flow_dir {
 212         ICE_FLOW_DIR_UNDEFINED  = 0,
 213         ICE_FLOW_TX             = 0x01,
 214         ICE_FLOW_RX             = 0x02,
 215         ICE_FLOW_TX_RX          = ICE_FLOW_RX | ICE_FLOW_TX
 216 };
 217
 218 enum ice_flow_priority {
 219         ICE_FLOW_PRIO_LOW,
 220         ICE_FLOW_PRIO_NORMAL,
 221         ICE_FLOW_PRIO_HIGH
 222 };
 223
 224 #define ICE_FLOW_SEG_MAX                2
 225 #define ICE_FLOW_SEG_RAW_FLD_MAX        2
 226 #define ICE_FLOW_PROFILE_MAX            1024
 227 #define ICE_FLOW_SW_FIELD_VECTOR_MAX    48
 228 #define ICE_FLOW_ACL_FIELD_VECTOR_MAX   32
 229 #define ICE_FLOW_FV_EXTRACT_SZ          2
 230
 231 #define ICE_FLOW_SET_HDRS(seg, val)     ((seg)->hdrs |= (u32)(val))
 232
 233 struct ice_flow_seg_xtrct {
 234         u8 prot_id;     /* Protocol ID of extracted header field */
 235         u16 off;        /* Starting offset of the field in header in bytes */
 236         u8 idx;         /* Index of FV entry used */
 237         u8 disp;        /* Displacement of field in bits fr. FV entry's start */
 238         u16 mask;       /* Mask for field */
 239 };
 240
 241 enum ice_flow_fld_match_type {
 242         ICE_FLOW_FLD_TYPE_REG,          /* Value, mask */
 243         ICE_FLOW_FLD_TYPE_RANGE,        /* Value, mask, last (upper bound) */
 244         ICE_FLOW_FLD_TYPE_PREFIX,       /* IP address, prefix, size of prefix */
 245         ICE_FLOW_FLD_TYPE_SIZE,         /* Value, mask, size of match */
 246 };
 247
 248 struct ice_flow_fld_loc {
 249         /* Describe offsets of field information relative to the beginning of
 250          * input buffer provided when adding flow entries.
 251          */
 252         u16 val;        /* Offset where the value is located */
 253         u16 mask;       /* Offset where the mask/prefix value is located */
 254         u16 last;       /* Length or offset where the upper value is located */
 255 };
 256
 257 struct ice_flow_fld_info {
 258         enum ice_flow_fld_match_type type;
 259         /* Location where to retrieve data from an input buffer */
 260         struct ice_flow_fld_loc src;
 261         /* Location where to put the data into the final entry buffer */
 262         struct ice_flow_fld_loc entry;
 263         struct ice_flow_seg_xtrct xtrct;
 264 };
 265
 266 struct ice_flow_seg_fld_raw {
 267         int off;        /* Offset from the start of the segment */
 268         struct ice_flow_fld_info info;
 269 };
 270
 271 struct ice_flow_seg_info {
 272         u32 hdrs;       /* Bitmask indicating protocol headers present */
 273         u64 match;      /* Bitmask indicating header fields to be matched */
 274         u64 range;      /* Bitmask indicating header fields matched as ranges */
 275
 276         struct ice_flow_fld_info fields[ICE_FLOW_FIELD_IDX_MAX];
 277
 278         u8 raws_cnt;    /* Number of raw fields to be matched */
 279         struct ice_flow_seg_fld_raw raws[ICE_FLOW_SEG_RAW_FLD_MAX];
 280 };
 281
 282 /* This structure describes a flow entry, and is tracked only in this file */
 283 struct ice_flow_entry {
 284         struct LIST_ENTRY_TYPE l_entry;
 285
 286         u64 id;
 287         struct ice_flow_prof *prof;
 288         /* Action list */
 289         struct ice_flow_action *acts;
 290         /* Flow entry's content */
 291         void *entry;
 292         enum ice_flow_priority priority;
 293         u16 vsi_handle;
 294         u16 entry_sz;
 295         u8 acts_cnt;
 296 };
 297
 298 #define ICE_FLOW_ENTRY_HNDL(e)  ((unsigned long)e)
 299 #define ICE_FLOW_ENTRY_PTR(h)   ((struct ice_flow_entry *)(h))
 300
 301 struct ice_flow_prof {
 302         struct LIST_ENTRY_TYPE l_entry;
 303
 304         u64 id;
 305         enum ice_flow_dir dir;
 306         u8 segs_cnt;
 307         u8 acts_cnt;
 308
 309         /* Keep track of flow entries associated with this flow profile */
 310         struct ice_lock entries_lock;
 311         struct LIST_HEAD_TYPE entries;
 312
 313         struct ice_flow_seg_info segs[ICE_FLOW_SEG_MAX];
 314
 315         /* software VSI handles referenced by this flow profile */
 316         ice_declare_bitmap(vsis, ICE_MAX_VSI);
 317
 318         union {
 319                 /* struct sw_recipe */
 320                 /* struct fd */
 321                 u32 data;
 322                 /* Symmetric Hash for RSS */
 323                 bool symm;
 324         } cfg;
 325
 326         /* Default actions */
 327         struct ice_flow_action *acts;
 328 };
 329
 330 struct ice_rss_cfg {
 331         struct LIST_ENTRY_TYPE l_entry;
 332         /* bitmap of VSIs added to the RSS entry */
 333         ice_declare_bitmap(vsis, ICE_MAX_VSI);
 334         u64 hashed_flds;
 335         u32 packet_hdr;
 336         bool symm;
 337 };
 338
 339 enum ice_flow_action_type {
 340         ICE_FLOW_ACT_NOP,
 341         ICE_FLOW_ACT_ALLOW,
 342         ICE_FLOW_ACT_DROP,
 343         ICE_FLOW_ACT_CNTR_PKT,
 344         ICE_FLOW_ACT_FWD_VSI,
 345         ICE_FLOW_ACT_FWD_VSI_LIST,      /* Should be abstracted away */
 346         ICE_FLOW_ACT_FWD_QUEUE,         /* Can Queues be abstracted away? */
 347         ICE_FLOW_ACT_FWD_QUEUE_GROUP,   /* Can Queues be abstracted away? */
 348         ICE_FLOW_ACT_PUSH,
 349         ICE_FLOW_ACT_POP,
 350         ICE_FLOW_ACT_MODIFY,
 351         ICE_FLOW_ACT_CNTR_BYTES,
 352         ICE_FLOW_ACT_CNTR_PKT_BYTES,
 353         ICE_FLOW_ACT_GENERIC_0,
 354         ICE_FLOW_ACT_GENERIC_1,
 355         ICE_FLOW_ACT_GENERIC_2,
 356         ICE_FLOW_ACT_GENERIC_3,
 357         ICE_FLOW_ACT_GENERIC_4,
 358         ICE_FLOW_ACT_RPT_FLOW_ID,
 359         ICE_FLOW_ACT_BUILD_PROF_IDX,
 360 };
 361
 362 struct ice_flow_action {
 363         enum ice_flow_action_type type;
 364         union {
 365                 u32 dummy;
 366         } data;
 367 };
 368
 369 u64
 370 ice_flow_find_prof(struct ice_hw *hw, enum ice_block blk, enum ice_flow_dir dir,
 371                    struct ice_flow_seg_info *segs, u8 segs_cnt);
 372 enum ice_status
 373 ice_flow_add_prof(struct ice_hw *hw, enum ice_block blk, enum ice_flow_dir dir,
 374                   u64 prof_id, struct ice_flow_seg_info *segs, u8 segs_cnt,
 375                   struct ice_flow_action *acts, u8 acts_cnt,
 376                   struct ice_flow_prof **prof);
 377 enum ice_status
 378 ice_flow_rem_prof(struct ice_hw *hw, enum ice_block blk, u64 prof_id);
 379 enum ice_status
 380 ice_flow_assoc_vsig_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi_handle,
 381                         u16 vsig);
 382 enum ice_status
 383 ice_flow_get_hw_prof(struct ice_hw *hw, enum ice_block blk, u64 prof_id,
 384                      u8 *hw_prof);
 385
 386 u64 ice_flow_find_entry(struct ice_hw *hw, enum ice_block blk, u64 entry_id);
 387 enum ice_status
 388 ice_flow_add_entry(struct ice_hw *hw, enum ice_block blk, u64 prof_id,
 389                    u64 entry_id, u16 vsi, enum ice_flow_priority prio,
 390                    void *data, struct ice_flow_action *acts, u8 acts_cnt,
 391                    u64 *entry_h);
 392 enum ice_status ice_flow_rem_entry(struct ice_hw *hw, u64 entry_h);
 393 void
 394 ice_flow_set_fld(struct ice_flow_seg_info *seg, enum ice_flow_field fld,
 395                  u16 val_loc, u16 mask_loc, u16 last_loc, bool range);
 396 void
 397 ice_flow_set_fld_prefix(struct ice_flow_seg_info *seg, enum ice_flow_field fld,
 398                         u16 val_loc, u16 prefix_loc, u8 prefix_sz);
 399 void
 400 ice_flow_add_fld_raw(struct ice_flow_seg_info *seg, u16 off, u8 len,
 401                      u16 val_loc, u16 mask_loc);
 402 void ice_rem_vsi_rss_list(struct ice_hw *hw, u16 vsi_handle);
 403 enum ice_status ice_replay_rss_cfg(struct ice_hw *hw, u16 vsi_handle);
 404 enum ice_status
 405 ice_add_avf_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u64 hashed_flds);
 406 enum ice_status ice_rem_vsi_rss_cfg(struct ice_hw *hw, u16 vsi_handle);
 407 enum ice_status
 408 ice_add_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u64 hashed_flds,
 409                 u32 addl_hdrs, bool symm);
 410 enum ice_status
 411 ice_rem_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u64 hashed_flds,
 412                 u32 addl_hdrs);
 413 u64 ice_get_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u32 hdrs);
 414 #endif /* _ICE_FLOW_H_ */