drivers/net/ice/base/ice_flow.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2001-2020 Intel Corporation
   3  */
   4
   5 #include "ice_common.h"
   6 #include "ice_flow.h"
   7
   8 /* Size of known protocol header fields */
   9 #define ICE_FLOW_FLD_SZ_ETH_TYPE        2
  10 #define ICE_FLOW_FLD_SZ_VLAN            2
  11 #define ICE_FLOW_FLD_SZ_IPV4_ADDR       4
  12 #define ICE_FLOW_FLD_SZ_IPV6_ADDR       16
  13 #define ICE_FLOW_FLD_SZ_IPV6_PRE32_ADDR 4
  14 #define ICE_FLOW_FLD_SZ_IPV6_PRE48_ADDR 6
  15 #define ICE_FLOW_FLD_SZ_IPV6_PRE64_ADDR 8
  16 #define ICE_FLOW_FLD_SZ_IP_DSCP         1
  17 #define ICE_FLOW_FLD_SZ_IP_TTL          1
  18 #define ICE_FLOW_FLD_SZ_IP_PROT         1
  19 #define ICE_FLOW_FLD_SZ_PORT            2
  20 #define ICE_FLOW_FLD_SZ_TCP_FLAGS       1
  21 #define ICE_FLOW_FLD_SZ_ICMP_TYPE       1
  22 #define ICE_FLOW_FLD_SZ_ICMP_CODE       1
  23 #define ICE_FLOW_FLD_SZ_ARP_OPER        2
  24 #define ICE_FLOW_FLD_SZ_GRE_KEYID       4
  25 #define ICE_FLOW_FLD_SZ_GTP_TEID        4
  26 #define ICE_FLOW_FLD_SZ_GTP_QFI         2
  27 #define ICE_FLOW_FLD_SZ_PPPOE_SESS_ID   2
  28 #define ICE_FLOW_FLD_SZ_PFCP_SEID 8
  29 #define ICE_FLOW_FLD_SZ_L2TPV3_SESS_ID  4
  30 #define ICE_FLOW_FLD_SZ_ESP_SPI 4
  31 #define ICE_FLOW_FLD_SZ_AH_SPI  4
  32 #define ICE_FLOW_FLD_SZ_NAT_T_ESP_SPI   4
  33
  34 /* Describe properties of a protocol header field */
  35 struct ice_flow_field_info {
  36         enum ice_flow_seg_hdr hdr;
  37         s16 off;        /* Offset from start of a protocol header, in bits */
  38         u16 size;       /* Size of fields in bits */
  39         u16 mask;       /* 16-bit mask for field */
  40 };
  41
  42 #define ICE_FLOW_FLD_INFO(_hdr, _offset_bytes, _size_bytes) { \
  43         .hdr = _hdr, \
  44         .off = (_offset_bytes) * BITS_PER_BYTE, \
  45         .size = (_size_bytes) * BITS_PER_BYTE, \
  46         .mask = 0, \
  47 }
  48
  49 #define ICE_FLOW_FLD_INFO_MSK(_hdr, _offset_bytes, _size_bytes, _mask) { \
  50         .hdr = _hdr, \
  51         .off = (_offset_bytes) * BITS_PER_BYTE, \
  52         .size = (_size_bytes) * BITS_PER_BYTE, \
  53         .mask = _mask, \
  54 }
  55
  56 /* Table containing properties of supported protocol header fields */
  57 static const
  58 struct ice_flow_field_info ice_flds_info[ICE_FLOW_FIELD_IDX_MAX] = {
  59         /* Ether */
  60         /* ICE_FLOW_FIELD_IDX_ETH_DA */
  61         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_ETH, 0, ETH_ALEN),
  62         /* ICE_FLOW_FIELD_IDX_ETH_SA */
  63         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_ETH, ETH_ALEN, ETH_ALEN),
  64         /* ICE_FLOW_FIELD_IDX_S_VLAN */
  65         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_VLAN, 12, ICE_FLOW_FLD_SZ_VLAN),
  66         /* ICE_FLOW_FIELD_IDX_C_VLAN */
  67         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_VLAN, 14, ICE_FLOW_FLD_SZ_VLAN),
  68         /* ICE_FLOW_FIELD_IDX_ETH_TYPE */
  69         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_ETH, 0, ICE_FLOW_FLD_SZ_ETH_TYPE),
  70         /* IPv4 / IPv6 */
  71         /* ICE_FLOW_FIELD_IDX_IPV4_DSCP */
  72         ICE_FLOW_FLD_INFO_MSK(ICE_FLOW_SEG_HDR_IPV4, 0, ICE_FLOW_FLD_SZ_IP_DSCP,
  73                               0x00fc),
  74         /* ICE_FLOW_FIELD_IDX_IPV6_DSCP */
  75         ICE_FLOW_FLD_INFO_MSK(ICE_FLOW_SEG_HDR_IPV6, 0, ICE_FLOW_FLD_SZ_IP_DSCP,
  76                               0x0ff0),
  77         /* ICE_FLOW_FIELD_IDX_IPV4_TTL */
  78         ICE_FLOW_FLD_INFO_MSK(ICE_FLOW_SEG_HDR_NONE, 8,
  79                               ICE_FLOW_FLD_SZ_IP_TTL, 0xff00),
  80         /* ICE_FLOW_FIELD_IDX_IPV4_PROT */
  81         ICE_FLOW_FLD_INFO_MSK(ICE_FLOW_SEG_HDR_NONE, 8,
  82                               ICE_FLOW_FLD_SZ_IP_PROT, 0x00ff),
  83         /* ICE_FLOW_FIELD_IDX_IPV6_TTL */
  84         ICE_FLOW_FLD_INFO_MSK(ICE_FLOW_SEG_HDR_NONE, 6,
  85                               ICE_FLOW_FLD_SZ_IP_TTL, 0x00ff),
  86         /* ICE_FLOW_FIELD_IDX_IPV6_PROT */
  87         ICE_FLOW_FLD_INFO_MSK(ICE_FLOW_SEG_HDR_NONE, 6,
  88                               ICE_FLOW_FLD_SZ_IP_PROT, 0xff00),
  89         /* ICE_FLOW_FIELD_IDX_IPV4_SA */
  90         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_IPV4, 12, ICE_FLOW_FLD_SZ_IPV4_ADDR),
  91         /* ICE_FLOW_FIELD_IDX_IPV4_DA */
  92         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_IPV4, 16, ICE_FLOW_FLD_SZ_IPV4_ADDR),
  93         /* ICE_FLOW_FIELD_IDX_IPV6_SA */
  94         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_IPV6, 8, ICE_FLOW_FLD_SZ_IPV6_ADDR),
  95         /* ICE_FLOW_FIELD_IDX_IPV6_DA */
  96         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_IPV6, 24, ICE_FLOW_FLD_SZ_IPV6_ADDR),
  97         /* ICE_FLOW_FIELD_IDX_IPV6_PRE32_SA */
  98         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_IPV6, 8,
  99                           ICE_FLOW_FLD_SZ_IPV6_PRE32_ADDR),
 100         /* ICE_FLOW_FIELD_IDX_IPV6_PRE32_DA */
 101         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_IPV6, 24,
 102                           ICE_FLOW_FLD_SZ_IPV6_PRE32_ADDR),
 103         /* ICE_FLOW_FIELD_IDX_IPV6_PRE48_SA */
 104         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_IPV6, 8,
 105                           ICE_FLOW_FLD_SZ_IPV6_PRE48_ADDR),
 106         /* ICE_FLOW_FIELD_IDX_IPV6_PRE48_DA */
 107         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_IPV6, 24,
 108                           ICE_FLOW_FLD_SZ_IPV6_PRE48_ADDR),
 109         /* ICE_FLOW_FIELD_IDX_IPV6_PRE64_SA */
 110         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_IPV6, 8,
 111                           ICE_FLOW_FLD_SZ_IPV6_PRE64_ADDR),
 112         /* ICE_FLOW_FIELD_IDX_IPV6_PRE64_DA */
 113         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_IPV6, 24,
 114                           ICE_FLOW_FLD_SZ_IPV6_PRE64_ADDR),
 115         /* Transport */
 116         /* ICE_FLOW_FIELD_IDX_TCP_SRC_PORT */
 117         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_TCP, 0, ICE_FLOW_FLD_SZ_PORT),
 118         /* ICE_FLOW_FIELD_IDX_TCP_DST_PORT */
 119         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_TCP, 2, ICE_FLOW_FLD_SZ_PORT),
 120         /* ICE_FLOW_FIELD_IDX_UDP_SRC_PORT */
 121         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_UDP, 0, ICE_FLOW_FLD_SZ_PORT),
 122         /* ICE_FLOW_FIELD_IDX_UDP_DST_PORT */
 123         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_UDP, 2, ICE_FLOW_FLD_SZ_PORT),
 124         /* ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT */
 125         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_SCTP, 0, ICE_FLOW_FLD_SZ_PORT),
 126         /* ICE_FLOW_FIELD_IDX_SCTP_DST_PORT */
 127         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_SCTP, 2, ICE_FLOW_FLD_SZ_PORT),
 128         /* ICE_FLOW_FIELD_IDX_TCP_FLAGS */
 129         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_TCP, 13, ICE_FLOW_FLD_SZ_TCP_FLAGS),
 130         /* ARP */
 131         /* ICE_FLOW_FIELD_IDX_ARP_SIP */
 132         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_ARP, 14, ICE_FLOW_FLD_SZ_IPV4_ADDR),
 133         /* ICE_FLOW_FIELD_IDX_ARP_DIP */
 134         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_ARP, 24, ICE_FLOW_FLD_SZ_IPV4_ADDR),
 135         /* ICE_FLOW_FIELD_IDX_ARP_SHA */
 136         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_ARP, 8, ETH_ALEN),
 137         /* ICE_FLOW_FIELD_IDX_ARP_DHA */
 138         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_ARP, 18, ETH_ALEN),
 139         /* ICE_FLOW_FIELD_IDX_ARP_OP */
 140         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_ARP, 6, ICE_FLOW_FLD_SZ_ARP_OPER),
 141         /* ICMP */
 142         /* ICE_FLOW_FIELD_IDX_ICMP_TYPE */
 143         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_ICMP, 0, ICE_FLOW_FLD_SZ_ICMP_TYPE),
 144         /* ICE_FLOW_FIELD_IDX_ICMP_CODE */
 145         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_ICMP, 1, ICE_FLOW_FLD_SZ_ICMP_CODE),
 146         /* GRE */
 147         /* ICE_FLOW_FIELD_IDX_GRE_KEYID */
 148         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_GRE, 12, ICE_FLOW_FLD_SZ_GRE_KEYID),
 149         /* GTP */
 150         /* ICE_FLOW_FIELD_IDX_GTPC_TEID */
 151         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_GTPC_TEID, 12,
 152                           ICE_FLOW_FLD_SZ_GTP_TEID),
 153         /* ICE_FLOW_FIELD_IDX_GTPU_IP_TEID */
 154         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_GTPU_IP, 12,
 155                           ICE_FLOW_FLD_SZ_GTP_TEID),
 156         /* ICE_FLOW_FIELD_IDX_GTPU_EH_TEID */
 157         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_GTPU_EH, 12,
 158                           ICE_FLOW_FLD_SZ_GTP_TEID),
 159         /* ICE_FLOW_FIELD_IDX_GTPU_EH_QFI */
 160         ICE_FLOW_FLD_INFO_MSK(ICE_FLOW_SEG_HDR_GTPU_EH, 22,
 161                               ICE_FLOW_FLD_SZ_GTP_QFI, 0x3f00),
 162         /* ICE_FLOW_FIELD_IDX_GTPU_UP_TEID */
 163         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_GTPU_UP, 12,
 164                           ICE_FLOW_FLD_SZ_GTP_TEID),
 165         /* ICE_FLOW_FIELD_IDX_GTPU_DWN_TEID */
 166         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_GTPU_DWN, 12,
 167                           ICE_FLOW_FLD_SZ_GTP_TEID),
 168         /* PPPOE */
 169         /* ICE_FLOW_FIELD_IDX_PPPOE_SESS_ID */
 170         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_PPPOE, 2,
 171                           ICE_FLOW_FLD_SZ_PPPOE_SESS_ID),
 172         /* PFCP */
 173         /* ICE_FLOW_FIELD_IDX_PFCP_SEID */
 174         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_PFCP_SESSION, 12,
 175                           ICE_FLOW_FLD_SZ_PFCP_SEID),
 176         /* L2TPV3 */
 177         /* ICE_FLOW_FIELD_IDX_L2TPV3_SESS_ID */
 178         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_L2TPV3, 0,
 179                           ICE_FLOW_FLD_SZ_L2TPV3_SESS_ID),
 180         /* ESP */
 181         /* ICE_FLOW_FIELD_IDX_ESP_SPI */
 182         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_ESP, 0,
 183                           ICE_FLOW_FLD_SZ_ESP_SPI),
 184         /* AH */
 185         /* ICE_FLOW_FIELD_IDX_AH_SPI */
 186         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_AH, 4,
 187                           ICE_FLOW_FLD_SZ_AH_SPI),
 188         /* NAT_T_ESP */
 189         /* ICE_FLOW_FIELD_IDX_NAT_T_ESP_SPI */
 190         ICE_FLOW_FLD_INFO(ICE_FLOW_SEG_HDR_NAT_T_ESP, 8,
 191                           ICE_FLOW_FLD_SZ_NAT_T_ESP_SPI),
 192 };
 193
 194 /* Bitmaps indicating relevant packet types for a particular protocol header
 195  *
 196  * Packet types for packets with an Outer/First/Single MAC header
 197  */
 198 static const u32 ice_ptypes_mac_ofos[] = {
 199         0xFDC00846, 0xBFBF7F7E, 0xF70001DF, 0xFEFDFDFB,
 200         0x0000077E, 0x00000000, 0x00000000, 0x00000000,
 201         0x00400000, 0x03FFF000, 0x7FFFFFE0, 0x00000000,
 202         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 203         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 204         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 205         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 206         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 207 };
 208
 209 /* Packet types for packets with an Innermost/Last MAC VLAN header */
 210 static const u32 ice_ptypes_macvlan_il[] = {
 211         0x00000000, 0xBC000000, 0x000001DF, 0xF0000000,
 212         0x0000077E, 0x00000000, 0x00000000, 0x00000000,
 213         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 214         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 215         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 216         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 217         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 218         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 219 };
 220
 221 /* Packet types for packets with an Outer/First/Single IPv4 header, does NOT
 222  * include IPV4 other PTYPEs
 223  */
 224 static const u32 ice_ptypes_ipv4_ofos[] = {
 225         0x1DC00000, 0x04000800, 0x00000000, 0x00000000,
 226         0x00000000, 0x00000155, 0x00000000, 0x00000000,
 227         0x00000000, 0x000FC000, 0x00000000, 0x00000000,
 228         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 229         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 230         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 231         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 232         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 233 };
 234
 235 /* Packet types for packets with an Outer/First/Single IPv4 header, includes
 236  * IPV4 other PTYPEs
 237  */
 238 static const u32 ice_ptypes_ipv4_ofos_all[] = {
 239         0x1DC00000, 0x04000800, 0x00000000, 0x00000000,
 240         0x00000000, 0x00000155, 0x00000000, 0x00000000,
 241         0x00000000, 0x000FC000, 0x83E0F800, 0x00000101,
 242         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 243         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 244         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 245         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 246         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 247 };
 248
 249 /* Packet types for packets with an Innermost/Last IPv4 header */
 250 static const u32 ice_ptypes_ipv4_il[] = {
 251         0xE0000000, 0xB807700E, 0x80000003, 0xE01DC03B,
 252         0x0000000E, 0x00000000, 0x00000000, 0x00000000,
 253         0x00000000, 0x00000000, 0x001FF800, 0x00000000,
 254         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 255         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 256         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 257         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 258         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 259 };
 260
 261 /* Packet types for packets with an Outer/First/Single IPv6 header, does NOT
 262  * include IVP6 other PTYPEs
 263  */
 264 static const u32 ice_ptypes_ipv6_ofos[] = {
 265         0x00000000, 0x00000000, 0x77000000, 0x10002000,
 266         0x00000000, 0x000002AA, 0x00000000, 0x00000000,
 267         0x00000000, 0x03F00000, 0x00000000, 0x00000000,
 268         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 269         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 270         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 271         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 272         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 273 };
 274
 275 /* Packet types for packets with an Outer/First/Single IPv6 header, includes
 276  * IPV6 other PTYPEs
 277  */
 278 static const u32 ice_ptypes_ipv6_ofos_all[] = {
 279         0x00000000, 0x00000000, 0x77000000, 0x10002000,
 280         0x00000000, 0x000002AA, 0x00000000, 0x00000000,
 281         0x00080F00, 0x03F00000, 0x7C1F0000, 0x00000206,
 282         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 283         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 284         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 285         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 286         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 287 };
 288
 289 /* Packet types for packets with an Innermost/Last IPv6 header */
 290 static const u32 ice_ptypes_ipv6_il[] = {
 291         0x00000000, 0x03B80770, 0x000001DC, 0x0EE00000,
 292         0x00000770, 0x00000000, 0x00000000, 0x00000000,
 293         0x00000000, 0x00000000, 0x7FE00000, 0x00000000,
 294         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 295         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 296         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 297         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 298         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 299 };
 300
 301 /* Packet types for packets with an Outer/First/Single IPv4 header - no L4 */
 302 static const u32 ice_ipv4_ofos_no_l4[] = {
 303         0x10C00000, 0x04000800, 0x00000000, 0x00000000,
 304         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 305         0x00000000, 0x000cc000, 0x00000000, 0x00000000,
 306         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 307         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 308         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 309         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 310         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 311 };
 312
 313 /* Packet types for packets with an Innermost/Last IPv4 header - no L4 */
 314 static const u32 ice_ipv4_il_no_l4[] = {
 315         0x60000000, 0x18043008, 0x80000002, 0x6010c021,
 316         0x00000008, 0x00000000, 0x00000000, 0x00000000,
 317         0x00000000, 0x00000000, 0x00139800, 0x00000000,
 318         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 319         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 320         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 321         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 322         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 323 };
 324
 325 /* Packet types for packets with an Outer/First/Single IPv6 header - no L4 */
 326 static const u32 ice_ipv6_ofos_no_l4[] = {
 327         0x00000000, 0x00000000, 0x43000000, 0x10002000,
 328         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 329         0x00000000, 0x02300000, 0x00000000, 0x00000000,
 330         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 331         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 332         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 333         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 334         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 335 };
 336
 337 /* Packet types for packets with an Innermost/Last IPv6 header - no L4 */
 338 static const u32 ice_ipv6_il_no_l4[] = {
 339         0x00000000, 0x02180430, 0x0000010c, 0x086010c0,
 340         0x00000430, 0x00000000, 0x00000000, 0x00000000,
 341         0x00000000, 0x00000000, 0x4e600000, 0x00000000,
 342         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 343         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 344         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 345         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 346         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 347 };
 348
 349 /* Packet types for packets with an Outermost/First ARP header */
 350 static const u32 ice_ptypes_arp_of[] = {
 351         0x00000800, 0x00000000, 0x00000000, 0x00000000,
 352         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 353         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 354         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 355         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 356         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 357         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 358         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 359 };
 360
 361 /* UDP Packet types for non-tunneled packets or tunneled
 362  * packets with inner UDP.
 363  */
 364 static const u32 ice_ptypes_udp_il[] = {
 365         0x81000000, 0x20204040, 0x04000010, 0x80810102,
 366         0x00000040, 0x00000000, 0x00000000, 0x00000000,
 367         0x00000000, 0x00410000, 0x90842000, 0x00000007,
 368         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 369         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 370         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 371         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 372         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 373 };
 374
 375 /* Packet types for packets with an Innermost/Last TCP header */
 376 static const u32 ice_ptypes_tcp_il[] = {
 377         0x04000000, 0x80810102, 0x10000040, 0x02040408,
 378         0x00000102, 0x00000000, 0x00000000, 0x00000000,
 379         0x00000000, 0x00820000, 0x21084000, 0x00000000,
 380         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 381         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 382         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 383         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 384         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 385 };
 386
 387 /* Packet types for packets with an Innermost/Last SCTP header */
 388 static const u32 ice_ptypes_sctp_il[] = {
 389         0x08000000, 0x01020204, 0x20000081, 0x04080810,
 390         0x00000204, 0x00000000, 0x00000000, 0x00000000,
 391         0x00000000, 0x01040000, 0x00000000, 0x00000000,
 392         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 393         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 394         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 395         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 396         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 397 };
 398
 399 /* Packet types for packets with an Outermost/First ICMP header */
 400 static const u32 ice_ptypes_icmp_of[] = {
 401         0x10000000, 0x00000000, 0x00000000, 0x00000000,
 402         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 403         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 404         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 405         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 406         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 407         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 408         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 409 };
 410
 411 /* Packet types for packets with an Innermost/Last ICMP header */
 412 static const u32 ice_ptypes_icmp_il[] = {
 413         0x00000000, 0x02040408, 0x40000102, 0x08101020,
 414         0x00000408, 0x00000000, 0x00000000, 0x00000000,
 415         0x00000000, 0x00000000, 0x42108000, 0x00000000,
 416         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 417         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 418         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 419         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 420         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 421 };
 422
 423 /* Packet types for packets with an Outermost/First GRE header */
 424 static const u32 ice_ptypes_gre_of[] = {
 425         0x00000000, 0xBFBF7800, 0x000001DF, 0xFEFDE000,
 426         0x0000017E, 0x00000000, 0x00000000, 0x00000000,
 427         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 428         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 429         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 430         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 431         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 432         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 433 };
 434
 435 /* Packet types for packets with an Innermost/Last MAC header */
 436 static const u32 ice_ptypes_mac_il[] = {
 437         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 438         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 439         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 440         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 441         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 442         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 443         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 444         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 445 };
 446
 447 /* Packet types for GTPC */
 448 static const u32 ice_ptypes_gtpc[] = {
 449         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 450         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 451         0x00000000, 0x00000000, 0x00000180, 0x00000000,
 452         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 453         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 454         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 455         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 456         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 457 };
 458
 459 /* Packet types for GTPC with TEID */
 460 static const u32 ice_ptypes_gtpc_tid[] = {
 461         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 462         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 463         0x00000000, 0x00000000, 0x00000060, 0x00000000,
 464         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 465         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 466         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 467         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 468         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 469 };
 470
 471 /* Packet types for GTPU */
 472 static const struct ice_ptype_attributes ice_attr_gtpu_session[] = {
 473         { ICE_MAC_IPV4_GTPU_IPV4_FRAG,    ICE_PTYPE_ATTR_GTP_SESSION },
 474         { ICE_MAC_IPV4_GTPU_IPV4_PAY,     ICE_PTYPE_ATTR_GTP_SESSION },
 475         { ICE_MAC_IPV4_GTPU_IPV4_UDP_PAY, ICE_PTYPE_ATTR_GTP_SESSION },
 476         { ICE_MAC_IPV4_GTPU_IPV4_TCP,     ICE_PTYPE_ATTR_GTP_SESSION },
 477         { ICE_MAC_IPV4_GTPU_IPV4_ICMP,    ICE_PTYPE_ATTR_GTP_SESSION },
 478         { ICE_MAC_IPV6_GTPU_IPV4_FRAG,    ICE_PTYPE_ATTR_GTP_SESSION },
 479         { ICE_MAC_IPV6_GTPU_IPV4_PAY,     ICE_PTYPE_ATTR_GTP_SESSION },
 480         { ICE_MAC_IPV6_GTPU_IPV4_UDP_PAY, ICE_PTYPE_ATTR_GTP_SESSION },
 481         { ICE_MAC_IPV6_GTPU_IPV4_TCP,     ICE_PTYPE_ATTR_GTP_SESSION },
 482         { ICE_MAC_IPV6_GTPU_IPV4_ICMP,    ICE_PTYPE_ATTR_GTP_SESSION },
 483         { ICE_MAC_IPV4_GTPU_IPV6_FRAG,    ICE_PTYPE_ATTR_GTP_SESSION },
 484         { ICE_MAC_IPV4_GTPU_IPV6_PAY,     ICE_PTYPE_ATTR_GTP_SESSION },
 485         { ICE_MAC_IPV4_GTPU_IPV6_UDP_PAY, ICE_PTYPE_ATTR_GTP_SESSION },
 486         { ICE_MAC_IPV4_GTPU_IPV6_TCP,     ICE_PTYPE_ATTR_GTP_SESSION },
 487         { ICE_MAC_IPV4_GTPU_IPV6_ICMPV6,  ICE_PTYPE_ATTR_GTP_SESSION },
 488         { ICE_MAC_IPV6_GTPU_IPV6_FRAG,    ICE_PTYPE_ATTR_GTP_SESSION },
 489         { ICE_MAC_IPV6_GTPU_IPV6_PAY,     ICE_PTYPE_ATTR_GTP_SESSION },
 490         { ICE_MAC_IPV6_GTPU_IPV6_UDP_PAY, ICE_PTYPE_ATTR_GTP_SESSION },
 491         { ICE_MAC_IPV6_GTPU_IPV6_TCP,     ICE_PTYPE_ATTR_GTP_SESSION },
 492         { ICE_MAC_IPV6_GTPU_IPV6_ICMPV6,  ICE_PTYPE_ATTR_GTP_SESSION },
 493 };
 494
 495 static const struct ice_ptype_attributes ice_attr_gtpu_eh[] = {
 496         { ICE_MAC_IPV4_GTPU_IPV4_FRAG,    ICE_PTYPE_ATTR_GTP_PDU_EH },
 497         { ICE_MAC_IPV4_GTPU_IPV4_PAY,     ICE_PTYPE_ATTR_GTP_PDU_EH },
 498         { ICE_MAC_IPV4_GTPU_IPV4_UDP_PAY, ICE_PTYPE_ATTR_GTP_PDU_EH },
 499         { ICE_MAC_IPV4_GTPU_IPV4_TCP,     ICE_PTYPE_ATTR_GTP_PDU_EH },
 500         { ICE_MAC_IPV4_GTPU_IPV4_ICMP,    ICE_PTYPE_ATTR_GTP_PDU_EH },
 501         { ICE_MAC_IPV6_GTPU_IPV4_FRAG,    ICE_PTYPE_ATTR_GTP_PDU_EH },
 502         { ICE_MAC_IPV6_GTPU_IPV4_PAY,     ICE_PTYPE_ATTR_GTP_PDU_EH },
 503         { ICE_MAC_IPV6_GTPU_IPV4_UDP_PAY, ICE_PTYPE_ATTR_GTP_PDU_EH },
 504         { ICE_MAC_IPV6_GTPU_IPV4_TCP,     ICE_PTYPE_ATTR_GTP_PDU_EH },
 505         { ICE_MAC_IPV6_GTPU_IPV4_ICMP,    ICE_PTYPE_ATTR_GTP_PDU_EH },
 506         { ICE_MAC_IPV4_GTPU_IPV6_FRAG,    ICE_PTYPE_ATTR_GTP_PDU_EH },
 507         { ICE_MAC_IPV4_GTPU_IPV6_PAY,     ICE_PTYPE_ATTR_GTP_PDU_EH },
 508         { ICE_MAC_IPV4_GTPU_IPV6_UDP_PAY, ICE_PTYPE_ATTR_GTP_PDU_EH },
 509         { ICE_MAC_IPV4_GTPU_IPV6_TCP,     ICE_PTYPE_ATTR_GTP_PDU_EH },
 510         { ICE_MAC_IPV4_GTPU_IPV6_ICMPV6,  ICE_PTYPE_ATTR_GTP_PDU_EH },
 511         { ICE_MAC_IPV6_GTPU_IPV6_FRAG,    ICE_PTYPE_ATTR_GTP_PDU_EH },
 512         { ICE_MAC_IPV6_GTPU_IPV6_PAY,     ICE_PTYPE_ATTR_GTP_PDU_EH },
 513         { ICE_MAC_IPV6_GTPU_IPV6_UDP_PAY, ICE_PTYPE_ATTR_GTP_PDU_EH },
 514         { ICE_MAC_IPV6_GTPU_IPV6_TCP,     ICE_PTYPE_ATTR_GTP_PDU_EH },
 515         { ICE_MAC_IPV6_GTPU_IPV6_ICMPV6,  ICE_PTYPE_ATTR_GTP_PDU_EH },
 516 };
 517
 518 static const struct ice_ptype_attributes ice_attr_gtpu_down[] = {
 519         { ICE_MAC_IPV4_GTPU_IPV4_FRAG,    ICE_PTYPE_ATTR_GTP_DOWNLINK },
 520         { ICE_MAC_IPV4_GTPU_IPV4_PAY,     ICE_PTYPE_ATTR_GTP_DOWNLINK },
 521         { ICE_MAC_IPV4_GTPU_IPV4_UDP_PAY, ICE_PTYPE_ATTR_GTP_DOWNLINK },
 522         { ICE_MAC_IPV4_GTPU_IPV4_TCP,     ICE_PTYPE_ATTR_GTP_DOWNLINK },
 523         { ICE_MAC_IPV4_GTPU_IPV4_ICMP,    ICE_PTYPE_ATTR_GTP_DOWNLINK },
 524         { ICE_MAC_IPV6_GTPU_IPV4_FRAG,    ICE_PTYPE_ATTR_GTP_DOWNLINK },
 525         { ICE_MAC_IPV6_GTPU_IPV4_PAY,     ICE_PTYPE_ATTR_GTP_DOWNLINK },
 526         { ICE_MAC_IPV6_GTPU_IPV4_UDP_PAY, ICE_PTYPE_ATTR_GTP_DOWNLINK },
 527         { ICE_MAC_IPV6_GTPU_IPV4_TCP,     ICE_PTYPE_ATTR_GTP_DOWNLINK },
 528         { ICE_MAC_IPV6_GTPU_IPV4_ICMP,    ICE_PTYPE_ATTR_GTP_DOWNLINK },
 529         { ICE_MAC_IPV4_GTPU_IPV6_FRAG,    ICE_PTYPE_ATTR_GTP_DOWNLINK },
 530         { ICE_MAC_IPV4_GTPU_IPV6_PAY,     ICE_PTYPE_ATTR_GTP_DOWNLINK },
 531         { ICE_MAC_IPV4_GTPU_IPV6_UDP_PAY, ICE_PTYPE_ATTR_GTP_DOWNLINK },
 532         { ICE_MAC_IPV4_GTPU_IPV6_TCP,     ICE_PTYPE_ATTR_GTP_DOWNLINK },
 533         { ICE_MAC_IPV4_GTPU_IPV6_ICMPV6,  ICE_PTYPE_ATTR_GTP_DOWNLINK },
 534         { ICE_MAC_IPV6_GTPU_IPV6_FRAG,    ICE_PTYPE_ATTR_GTP_DOWNLINK },
 535         { ICE_MAC_IPV6_GTPU_IPV6_PAY,     ICE_PTYPE_ATTR_GTP_DOWNLINK },
 536         { ICE_MAC_IPV6_GTPU_IPV6_UDP_PAY, ICE_PTYPE_ATTR_GTP_DOWNLINK },
 537         { ICE_MAC_IPV6_GTPU_IPV6_TCP,     ICE_PTYPE_ATTR_GTP_DOWNLINK },
 538         { ICE_MAC_IPV6_GTPU_IPV6_ICMPV6,  ICE_PTYPE_ATTR_GTP_DOWNLINK },
 539 };
 540
 541 static const struct ice_ptype_attributes ice_attr_gtpu_up[] = {
 542         { ICE_MAC_IPV4_GTPU_IPV4_FRAG,    ICE_PTYPE_ATTR_GTP_UPLINK },
 543         { ICE_MAC_IPV4_GTPU_IPV4_PAY,     ICE_PTYPE_ATTR_GTP_UPLINK },
 544         { ICE_MAC_IPV4_GTPU_IPV4_UDP_PAY, ICE_PTYPE_ATTR_GTP_UPLINK },
 545         { ICE_MAC_IPV4_GTPU_IPV4_TCP,     ICE_PTYPE_ATTR_GTP_UPLINK },
 546         { ICE_MAC_IPV4_GTPU_IPV4_ICMP,    ICE_PTYPE_ATTR_GTP_UPLINK },
 547         { ICE_MAC_IPV6_GTPU_IPV4_FRAG,    ICE_PTYPE_ATTR_GTP_UPLINK },
 548         { ICE_MAC_IPV6_GTPU_IPV4_PAY,     ICE_PTYPE_ATTR_GTP_UPLINK },
 549         { ICE_MAC_IPV6_GTPU_IPV4_UDP_PAY, ICE_PTYPE_ATTR_GTP_UPLINK },
 550         { ICE_MAC_IPV6_GTPU_IPV4_TCP,     ICE_PTYPE_ATTR_GTP_UPLINK },
 551         { ICE_MAC_IPV6_GTPU_IPV4_ICMP,    ICE_PTYPE_ATTR_GTP_UPLINK },
 552         { ICE_MAC_IPV4_GTPU_IPV6_FRAG,    ICE_PTYPE_ATTR_GTP_UPLINK },
 553         { ICE_MAC_IPV4_GTPU_IPV6_PAY,     ICE_PTYPE_ATTR_GTP_UPLINK },
 554         { ICE_MAC_IPV4_GTPU_IPV6_UDP_PAY, ICE_PTYPE_ATTR_GTP_UPLINK },
 555         { ICE_MAC_IPV4_GTPU_IPV6_TCP,     ICE_PTYPE_ATTR_GTP_UPLINK },
 556         { ICE_MAC_IPV4_GTPU_IPV6_ICMPV6,  ICE_PTYPE_ATTR_GTP_UPLINK },
 557         { ICE_MAC_IPV6_GTPU_IPV6_FRAG,    ICE_PTYPE_ATTR_GTP_UPLINK },
 558         { ICE_MAC_IPV6_GTPU_IPV6_PAY,     ICE_PTYPE_ATTR_GTP_UPLINK },
 559         { ICE_MAC_IPV6_GTPU_IPV6_UDP_PAY, ICE_PTYPE_ATTR_GTP_UPLINK },
 560         { ICE_MAC_IPV6_GTPU_IPV6_TCP,     ICE_PTYPE_ATTR_GTP_UPLINK },
 561         { ICE_MAC_IPV6_GTPU_IPV6_ICMPV6,  ICE_PTYPE_ATTR_GTP_UPLINK },
 562 };
 563
 564 static const u32 ice_ptypes_gtpu[] = {
 565         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 566         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 567         0x00000000, 0x00000000, 0x7FFFFE00, 0x00000000,
 568         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 569         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 570         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 571         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 572         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 573 };
 574
 575 /* Packet types for pppoe */
 576 static const u32 ice_ptypes_pppoe[] = {
 577         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 578         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 579         0x00000000, 0x03ffe000, 0x00000000, 0x00000000,
 580         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 581         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 582         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 583         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 584         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 585 };
 586
 587 /* Packet types for packets with PFCP NODE header */
 588 static const u32 ice_ptypes_pfcp_node[] = {
 589         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 590         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 591         0x00000000, 0x00000000, 0x80000000, 0x00000002,
 592         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 593         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 594         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 595         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 596         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 597 };
 598
 599 /* Packet types for packets with PFCP SESSION header */
 600 static const u32 ice_ptypes_pfcp_session[] = {
 601         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 602         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 603         0x00000000, 0x00000000, 0x00000000, 0x00000005,
 604         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 605         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 606         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 607         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 608         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 609 };
 610
 611 /* Packet types for l2tpv3 */
 612 static const u32 ice_ptypes_l2tpv3[] = {
 613         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 614         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 615         0x00000000, 0x00000000, 0x00000000, 0x00000300,
 616         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 617         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 618         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 619         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 620         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 621 };
 622
 623 /* Packet types for esp */
 624 static const u32 ice_ptypes_esp[] = {
 625         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 626         0x00000000, 0x00000003, 0x00000000, 0x00000000,
 627         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 628         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 629         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 630         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 631         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 632         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 633 };
 634
 635 /* Packet types for ah */
 636 static const u32 ice_ptypes_ah[] = {
 637         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 638         0x00000000, 0x0000000C, 0x00000000, 0x00000000,
 639         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 640         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 641         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 642         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 643         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 644         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 645 };
 646
 647 /* Packet types for packets with NAT_T ESP header */
 648 static const u32 ice_ptypes_nat_t_esp[] = {
 649         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 650         0x00000000, 0x00000030, 0x00000000, 0x00000000,
 651         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 652         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 653         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 654         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 655         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 656         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 657 };
 658
 659 static const u32 ice_ptypes_mac_non_ip_ofos[] = {
 660         0x00000846, 0x00000000, 0x00000000, 0x00000000,
 661         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 662         0x00400000, 0x03FFF000, 0x00000000, 0x00000000,
 663         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 664         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 665         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 666         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 667         0x00000000, 0x00000000, 0x00000000, 0x00000000,
 668 };
 669
 670 /* Manage parameters and info. used during the creation of a flow profile */
 671 struct ice_flow_prof_params {
 672         enum ice_block blk;
 673         u16 entry_length; /* # of bytes formatted entry will require */
 674         u8 es_cnt;
 675         struct ice_flow_prof *prof;
 676
 677         /* For ACL, the es[0] will have the data of ICE_RX_MDID_PKT_FLAGS_15_0
 678          * This will give us the direction flags.
 679          */
 680         struct ice_fv_word es[ICE_MAX_FV_WORDS];
 681         /* attributes can be used to add attributes to a particular PTYPE */
 682         const struct ice_ptype_attributes *attr;
 683         u16 attr_cnt;
 684
 685         u16 mask[ICE_MAX_FV_WORDS];
 686         ice_declare_bitmap(ptypes, ICE_FLOW_PTYPE_MAX);
 687 };
 688
 689 #define ICE_FLOW_RSS_HDRS_INNER_MASK \
 690         (ICE_FLOW_SEG_HDR_PPPOE | ICE_FLOW_SEG_HDR_GTPC | \
 691         ICE_FLOW_SEG_HDR_GTPC_TEID | ICE_FLOW_SEG_HDR_GTPU | \
 692         ICE_FLOW_SEG_HDR_PFCP_SESSION | ICE_FLOW_SEG_HDR_L2TPV3 | \
 693         ICE_FLOW_SEG_HDR_ESP | ICE_FLOW_SEG_HDR_AH | \
 694         ICE_FLOW_SEG_HDR_NAT_T_ESP)
 695
 696 #define ICE_FLOW_SEG_HDRS_L2_MASK       \
 697         (ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_VLAN)
 698 #define ICE_FLOW_SEG_HDRS_L3_MASK       \
 699         (ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV6 | \
 700          ICE_FLOW_SEG_HDR_ARP)
 701 #define ICE_FLOW_SEG_HDRS_L4_MASK       \
 702         (ICE_FLOW_SEG_HDR_ICMP | ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_UDP | \
 703          ICE_FLOW_SEG_HDR_SCTP)
 704 /* mask for L4 protocols that are NOT part of IPV4/6 OTHER PTYPE groups */
 705 #define ICE_FLOW_SEG_HDRS_L4_MASK_NO_OTHER      \
 706         (ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_SCTP)
 707
 708 /**
 709  * ice_flow_val_hdrs - validates packet segments for valid protocol headers
 710  * @segs: array of one or more packet segments that describe the flow
 711  * @segs_cnt: number of packet segments provided
 712  */
 713 static enum ice_status
 714 ice_flow_val_hdrs(struct ice_flow_seg_info *segs, u8 segs_cnt)
 715 {
 716         u8 i;
 717
 718         for (i = 0; i < segs_cnt; i++) {
 719                 /* Multiple L3 headers */
 720                 if (segs[i].hdrs & ICE_FLOW_SEG_HDRS_L3_MASK &&
 721                     !ice_is_pow2(segs[i].hdrs & ICE_FLOW_SEG_HDRS_L3_MASK))
 722                         return ICE_ERR_PARAM;
 723
 724                 /* Multiple L4 headers */
 725                 if (segs[i].hdrs & ICE_FLOW_SEG_HDRS_L4_MASK &&
 726                     !ice_is_pow2(segs[i].hdrs & ICE_FLOW_SEG_HDRS_L4_MASK))
 727                         return ICE_ERR_PARAM;
 728         }
 729
 730         return ICE_SUCCESS;
 731 }
 732
 733 /* Sizes of fixed known protocol headers without header options */
 734 #define ICE_FLOW_PROT_HDR_SZ_MAC        14
 735 #define ICE_FLOW_PROT_HDR_SZ_MAC_VLAN   (ICE_FLOW_PROT_HDR_SZ_MAC + 2)
 736 #define ICE_FLOW_PROT_HDR_SZ_IPV4       20
 737 #define ICE_FLOW_PROT_HDR_SZ_IPV6       40
 738 #define ICE_FLOW_PROT_HDR_SZ_ARP        28
 739 #define ICE_FLOW_PROT_HDR_SZ_ICMP       8
 740 #define ICE_FLOW_PROT_HDR_SZ_TCP        20
 741 #define ICE_FLOW_PROT_HDR_SZ_UDP        8
 742 #define ICE_FLOW_PROT_HDR_SZ_SCTP       12
 743
 744 /**
 745  * ice_flow_calc_seg_sz - calculates size of a packet segment based on headers
 746  * @params: information about the flow to be processed
 747  * @seg: index of packet segment whose header size is to be determined
 748  */
 749 static u16 ice_flow_calc_seg_sz(struct ice_flow_prof_params *params, u8 seg)
 750 {
 751         u16 sz;
 752
 753         /* L2 headers */
 754         sz = (params->prof->segs[seg].hdrs & ICE_FLOW_SEG_HDR_VLAN) ?
 755                 ICE_FLOW_PROT_HDR_SZ_MAC_VLAN : ICE_FLOW_PROT_HDR_SZ_MAC;
 756
 757         /* L3 headers */
 758         if (params->prof->segs[seg].hdrs & ICE_FLOW_SEG_HDR_IPV4)
 759                 sz += ICE_FLOW_PROT_HDR_SZ_IPV4;
 760         else if (params->prof->segs[seg].hdrs & ICE_FLOW_SEG_HDR_IPV6)
 761                 sz += ICE_FLOW_PROT_HDR_SZ_IPV6;
 762         else if (params->prof->segs[seg].hdrs & ICE_FLOW_SEG_HDR_ARP)
 763                 sz += ICE_FLOW_PROT_HDR_SZ_ARP;
 764         else if (params->prof->segs[seg].hdrs & ICE_FLOW_SEG_HDRS_L4_MASK)
 765                 /* A L3 header is required if L4 is specified */
 766                 return 0;
 767
 768         /* L4 headers */
 769         if (params->prof->segs[seg].hdrs & ICE_FLOW_SEG_HDR_ICMP)
 770                 sz += ICE_FLOW_PROT_HDR_SZ_ICMP;
 771         else if (params->prof->segs[seg].hdrs & ICE_FLOW_SEG_HDR_TCP)
 772                 sz += ICE_FLOW_PROT_HDR_SZ_TCP;
 773         else if (params->prof->segs[seg].hdrs & ICE_FLOW_SEG_HDR_UDP)
 774                 sz += ICE_FLOW_PROT_HDR_SZ_UDP;
 775         else if (params->prof->segs[seg].hdrs & ICE_FLOW_SEG_HDR_SCTP)
 776                 sz += ICE_FLOW_PROT_HDR_SZ_SCTP;
 777
 778         return sz;
 779 }
 780
 781 /**
 782  * ice_flow_proc_seg_hdrs - process protocol headers present in pkt segments
 783  * @params: information about the flow to be processed
 784  *
 785  * This function identifies the packet types associated with the protocol
 786  * headers being present in packet segments of the specified flow profile.
 787  */
 788 static enum ice_status
 789 ice_flow_proc_seg_hdrs(struct ice_flow_prof_params *params)
 790 {
 791         struct ice_flow_prof *prof;
 792         u8 i;
 793
 794         ice_memset(params->ptypes, 0xff, sizeof(params->ptypes),
 795                    ICE_NONDMA_MEM);
 796
 797         prof = params->prof;
 798
 799         for (i = 0; i < params->prof->segs_cnt; i++) {
 800                 const ice_bitmap_t *src;
 801                 u32 hdrs;
 802
 803                 hdrs = prof->segs[i].hdrs;
 804
 805                 if (hdrs & ICE_FLOW_SEG_HDR_ETH) {
 806                         src = !i ? (const ice_bitmap_t *)ice_ptypes_mac_ofos :
 807                                 (const ice_bitmap_t *)ice_ptypes_mac_il;
 808                         ice_and_bitmap(params->ptypes, params->ptypes, src,
 809                                        ICE_FLOW_PTYPE_MAX);
 810                 }
 811
 812                 if (i && hdrs & ICE_FLOW_SEG_HDR_VLAN) {
 813                         src = (const ice_bitmap_t *)ice_ptypes_macvlan_il;
 814                         ice_and_bitmap(params->ptypes, params->ptypes, src,
 815                                        ICE_FLOW_PTYPE_MAX);
 816                 }
 817
 818                 if (!i && hdrs & ICE_FLOW_SEG_HDR_ARP) {
 819                         ice_and_bitmap(params->ptypes, params->ptypes,
 820                                        (const ice_bitmap_t *)ice_ptypes_arp_of,
 821                                        ICE_FLOW_PTYPE_MAX);
 822                 }
 823
 824                 if (hdrs & ICE_FLOW_SEG_HDR_PPPOE) {
 825                         src = (const ice_bitmap_t *)ice_ptypes_pppoe;
 826                         ice_and_bitmap(params->ptypes, params->ptypes, src,
 827                                        ICE_FLOW_PTYPE_MAX);
 828                 }
 829                 if ((hdrs & ICE_FLOW_SEG_HDR_IPV4) &&
 830                     (hdrs & ICE_FLOW_SEG_HDR_IPV_OTHER)) {
 831                         src = i ?
 832                                 (const ice_bitmap_t *)ice_ptypes_ipv4_il :
 833                                 (const ice_bitmap_t *)ice_ptypes_ipv4_ofos_all;
 834                         ice_and_bitmap(params->ptypes, params->ptypes, src,
 835                                        ICE_FLOW_PTYPE_MAX);
 836                 } else if ((hdrs & ICE_FLOW_SEG_HDR_IPV6) &&
 837                            (hdrs & ICE_FLOW_SEG_HDR_IPV_OTHER)) {
 838                         src = i ?
 839                                 (const ice_bitmap_t *)ice_ptypes_ipv6_il :
 840                                 (const ice_bitmap_t *)ice_ptypes_ipv6_ofos_all;
 841                         ice_and_bitmap(params->ptypes, params->ptypes, src,
 842                                        ICE_FLOW_PTYPE_MAX);
 843                 } else if ((hdrs & ICE_FLOW_SEG_HDR_IPV4) &&
 844                            !(hdrs & ICE_FLOW_SEG_HDRS_L4_MASK_NO_OTHER)) {
 845                         src = !i ? (const ice_bitmap_t *)ice_ipv4_ofos_no_l4 :
 846                                 (const ice_bitmap_t *)ice_ipv4_il_no_l4;
 847                         ice_and_bitmap(params->ptypes, params->ptypes, src,
 848                                        ICE_FLOW_PTYPE_MAX);
 849                 } else if (hdrs & ICE_FLOW_SEG_HDR_IPV4) {
 850                         src = !i ? (const ice_bitmap_t *)ice_ptypes_ipv4_ofos :
 851                                 (const ice_bitmap_t *)ice_ptypes_ipv4_il;
 852                         ice_and_bitmap(params->ptypes, params->ptypes, src,
 853                                        ICE_FLOW_PTYPE_MAX);
 854                 } else if ((hdrs & ICE_FLOW_SEG_HDR_IPV6) &&
 855                            !(hdrs & ICE_FLOW_SEG_HDRS_L4_MASK_NO_OTHER)) {
 856                         src = !i ? (const ice_bitmap_t *)ice_ipv6_ofos_no_l4 :
 857                                 (const ice_bitmap_t *)ice_ipv6_il_no_l4;
 858                         ice_and_bitmap(params->ptypes, params->ptypes, src,
 859                                        ICE_FLOW_PTYPE_MAX);
 860                 } else if (hdrs & ICE_FLOW_SEG_HDR_IPV6) {
 861                         src = !i ? (const ice_bitmap_t *)ice_ptypes_ipv6_ofos :
 862                                 (const ice_bitmap_t *)ice_ptypes_ipv6_il;
 863                         ice_and_bitmap(params->ptypes, params->ptypes, src,
 864                                        ICE_FLOW_PTYPE_MAX);
 865                 }
 866
 867                 if (hdrs & ICE_FLOW_SEG_HDR_ETH_NON_IP) {
 868                         src = (const ice_bitmap_t *)ice_ptypes_mac_non_ip_ofos;
 869                         ice_and_bitmap(params->ptypes, params->ptypes,
 870                                        src, ICE_FLOW_PTYPE_MAX);
 871                 } else if (hdrs & ICE_FLOW_SEG_HDR_PPPOE) {
 872                         src = (const ice_bitmap_t *)ice_ptypes_pppoe;
 873                         ice_and_bitmap(params->ptypes, params->ptypes, src,
 874                                        ICE_FLOW_PTYPE_MAX);
 875                 } else {
 876                         src = (const ice_bitmap_t *)ice_ptypes_pppoe;
 877                         ice_andnot_bitmap(params->ptypes, params->ptypes, src,
 878                                           ICE_FLOW_PTYPE_MAX);
 879                 }
 880
 881                 if (hdrs & ICE_FLOW_SEG_HDR_UDP) {
 882                         src = (const ice_bitmap_t *)ice_ptypes_udp_il;
 883                         ice_and_bitmap(params->ptypes, params->ptypes, src,
 884                                        ICE_FLOW_PTYPE_MAX);
 885                 } else if (hdrs & ICE_FLOW_SEG_HDR_TCP) {
 886                         ice_and_bitmap(params->ptypes, params->ptypes,
 887                                        (const ice_bitmap_t *)ice_ptypes_tcp_il,
 888                                        ICE_FLOW_PTYPE_MAX);
 889                 } else if (hdrs & ICE_FLOW_SEG_HDR_SCTP) {
 890                         src = (const ice_bitmap_t *)ice_ptypes_sctp_il;
 891                         ice_and_bitmap(params->ptypes, params->ptypes, src,
 892                                        ICE_FLOW_PTYPE_MAX);
 893                 }
 894
 895                 if (hdrs & ICE_FLOW_SEG_HDR_ICMP) {
 896                         src = !i ? (const ice_bitmap_t *)ice_ptypes_icmp_of :
 897                                 (const ice_bitmap_t *)ice_ptypes_icmp_il;
 898                         ice_and_bitmap(params->ptypes, params->ptypes, src,
 899                                        ICE_FLOW_PTYPE_MAX);
 900                 } else if (hdrs & ICE_FLOW_SEG_HDR_GRE) {
 901                         if (!i) {
 902                                 src = (const ice_bitmap_t *)ice_ptypes_gre_of;
 903                                 ice_and_bitmap(params->ptypes, params->ptypes,
 904                                                src, ICE_FLOW_PTYPE_MAX);
 905                         }
 906                 } else if (hdrs & ICE_FLOW_SEG_HDR_GTPC) {
 907                         src = (const ice_bitmap_t *)ice_ptypes_gtpc;
 908                         ice_and_bitmap(params->ptypes, params->ptypes,
 909                                        src, ICE_FLOW_PTYPE_MAX);
 910                 } else if (hdrs & ICE_FLOW_SEG_HDR_GTPC_TEID) {
 911                         src = (const ice_bitmap_t *)ice_ptypes_gtpc_tid;
 912                         ice_and_bitmap(params->ptypes, params->ptypes,
 913                                        src, ICE_FLOW_PTYPE_MAX);
 914                 } else if (hdrs & ICE_FLOW_SEG_HDR_GTPU_DWN) {
 915                         src = (const ice_bitmap_t *)ice_ptypes_gtpu;
 916                         ice_and_bitmap(params->ptypes, params->ptypes,
 917                                        src, ICE_FLOW_PTYPE_MAX);
 918
 919                         /* Attributes for GTP packet with downlink */
 920                         params->attr = ice_attr_gtpu_down;
 921                         params->attr_cnt = ARRAY_SIZE(ice_attr_gtpu_down);
 922                 } else if (hdrs & ICE_FLOW_SEG_HDR_GTPU_UP) {
 923                         src = (const ice_bitmap_t *)ice_ptypes_gtpu;
 924                         ice_and_bitmap(params->ptypes, params->ptypes,
 925                                        src, ICE_FLOW_PTYPE_MAX);
 926
 927                         /* Attributes for GTP packet with uplink */
 928                         params->attr = ice_attr_gtpu_up;
 929                         params->attr_cnt = ARRAY_SIZE(ice_attr_gtpu_up);
 930                 } else if (hdrs & ICE_FLOW_SEG_HDR_GTPU_EH) {
 931                         src = (const ice_bitmap_t *)ice_ptypes_gtpu;
 932                         ice_and_bitmap(params->ptypes, params->ptypes,
 933                                        src, ICE_FLOW_PTYPE_MAX);
 934
 935                         /* Attributes for GTP packet with Extension Header */
 936                         params->attr = ice_attr_gtpu_eh;
 937                         params->attr_cnt = ARRAY_SIZE(ice_attr_gtpu_eh);
 938                 } else if (hdrs & ICE_FLOW_SEG_HDR_GTPU_IP) {
 939                         src = (const ice_bitmap_t *)ice_ptypes_gtpu;
 940                         ice_and_bitmap(params->ptypes, params->ptypes,
 941                                        src, ICE_FLOW_PTYPE_MAX);
 942
 943                         /* Attributes for GTP packet without Extension Header */
 944                         params->attr = ice_attr_gtpu_session;
 945                         params->attr_cnt = ARRAY_SIZE(ice_attr_gtpu_session);
 946                 } else if (hdrs & ICE_FLOW_SEG_HDR_L2TPV3) {
 947                         src = (const ice_bitmap_t *)ice_ptypes_l2tpv3;
 948                         ice_and_bitmap(params->ptypes, params->ptypes,
 949                                        src, ICE_FLOW_PTYPE_MAX);
 950                 } else if (hdrs & ICE_FLOW_SEG_HDR_ESP) {
 951                         src = (const ice_bitmap_t *)ice_ptypes_esp;
 952                         ice_and_bitmap(params->ptypes, params->ptypes,
 953                                        src, ICE_FLOW_PTYPE_MAX);
 954                 } else if (hdrs & ICE_FLOW_SEG_HDR_AH) {
 955                         src = (const ice_bitmap_t *)ice_ptypes_ah;
 956                         ice_and_bitmap(params->ptypes, params->ptypes,
 957                                        src, ICE_FLOW_PTYPE_MAX);
 958                 } else if (hdrs & ICE_FLOW_SEG_HDR_NAT_T_ESP) {
 959                         src = (const ice_bitmap_t *)ice_ptypes_nat_t_esp;
 960                         ice_and_bitmap(params->ptypes, params->ptypes,
 961                                        src, ICE_FLOW_PTYPE_MAX);
 962                 }
 963
 964                 if (hdrs & ICE_FLOW_SEG_HDR_PFCP) {
 965                         if (hdrs & ICE_FLOW_SEG_HDR_PFCP_NODE)
 966                                 src =
 967                                 (const ice_bitmap_t *)ice_ptypes_pfcp_node;
 968                         else
 969                                 src =
 970                                 (const ice_bitmap_t *)ice_ptypes_pfcp_session;
 971
 972                         ice_and_bitmap(params->ptypes, params->ptypes,
 973                                        src, ICE_FLOW_PTYPE_MAX);
 974                 } else {
 975                         src = (const ice_bitmap_t *)ice_ptypes_pfcp_node;
 976                         ice_andnot_bitmap(params->ptypes, params->ptypes,
 977                                           src, ICE_FLOW_PTYPE_MAX);
 978
 979                         src = (const ice_bitmap_t *)ice_ptypes_pfcp_session;
 980                         ice_andnot_bitmap(params->ptypes, params->ptypes,
 981                                           src, ICE_FLOW_PTYPE_MAX);
 982                 }
 983         }
 984
 985         return ICE_SUCCESS;
 986 }
 987
 988 /**
 989  * ice_flow_xtract_pkt_flags - Create an extr sequence entry for packet flags
 990  * @hw: pointer to the HW struct
 991  * @params: information about the flow to be processed
 992  * @flags: The value of pkt_flags[x:x] in Rx/Tx MDID metadata.
 993  *
 994  * This function will allocate an extraction sequence entries for a DWORD size
 995  * chunk of the packet flags.
 996  */
 997 static enum ice_status
 998 ice_flow_xtract_pkt_flags(struct ice_hw *hw,
 999                           struct ice_flow_prof_params *params,
1000                           enum ice_flex_mdid_pkt_flags flags)
1001 {
1002         u8 fv_words = hw->blk[params->blk].es.fvw;
1003         u8 idx;
1004
1005         /* Make sure the number of extraction sequence entries required does not
1006          * exceed the block's capacity.
1007          */
1008         if (params->es_cnt >= fv_words)
1009                 return ICE_ERR_MAX_LIMIT;
1010
1011         /* some blocks require a reversed field vector layout */
1012         if (hw->blk[params->blk].es.reverse)
1013                 idx = fv_words - params->es_cnt - 1;
1014         else
1015                 idx = params->es_cnt;
1016
1017         params->es[idx].prot_id = ICE_PROT_META_ID;
1018         params->es[idx].off = flags;
1019         params->es_cnt++;
1020
1021         return ICE_SUCCESS;
1022 }
1023
1024 /**
1025  * ice_flow_xtract_fld - Create an extraction sequence entry for the given field
1026  * @hw: pointer to the HW struct
1027  * @params: information about the flow to be processed
1028  * @seg: packet segment index of the field to be extracted
1029  * @fld: ID of field to be extracted
1030  * @match: bitfield of all fields
1031  *
1032  * This function determines the protocol ID, offset, and size of the given
1033  * field. It then allocates one or more extraction sequence entries for the
1034  * given field, and fill the entries with protocol ID and offset information.
1035  */
1036 static enum ice_status
1037 ice_flow_xtract_fld(struct ice_hw *hw, struct ice_flow_prof_params *params,
1038                     u8 seg, enum ice_flow_field fld, u64 match)
1039 {
1040         enum ice_flow_field sib = ICE_FLOW_FIELD_IDX_MAX;
1041         enum ice_prot_id prot_id = ICE_PROT_ID_INVAL;
1042         u8 fv_words = hw->blk[params->blk].es.fvw;
1043         struct ice_flow_fld_info *flds;
1044         u16 cnt, ese_bits, i;
1045         u16 sib_mask = 0;
1046         u16 mask;
1047         u16 off;
1048
1049         flds = params->prof->segs[seg].fields;
1050
1051         switch (fld) {
1052         case ICE_FLOW_FIELD_IDX_ETH_DA:
1053         case ICE_FLOW_FIELD_IDX_ETH_SA:
1054         case ICE_FLOW_FIELD_IDX_S_VLAN:
1055         case ICE_FLOW_FIELD_IDX_C_VLAN:
1056                 prot_id = seg == 0 ? ICE_PROT_MAC_OF_OR_S : ICE_PROT_MAC_IL;
1057                 break;
1058         case ICE_FLOW_FIELD_IDX_ETH_TYPE:
1059                 prot_id = seg == 0 ? ICE_PROT_ETYPE_OL : ICE_PROT_ETYPE_IL;
1060                 break;
1061         case ICE_FLOW_FIELD_IDX_IPV4_DSCP:
1062                 prot_id = seg == 0 ? ICE_PROT_IPV4_OF_OR_S : ICE_PROT_IPV4_IL;
1063                 break;
1064         case ICE_FLOW_FIELD_IDX_IPV6_DSCP:
1065                 prot_id = seg == 0 ? ICE_PROT_IPV6_OF_OR_S : ICE_PROT_IPV6_IL;
1066                 break;
1067         case ICE_FLOW_FIELD_IDX_IPV4_TTL:
1068         case ICE_FLOW_FIELD_IDX_IPV4_PROT:
1069                 prot_id = seg == 0 ? ICE_PROT_IPV4_OF_OR_S : ICE_PROT_IPV4_IL;
1070
1071                 /* TTL and PROT share the same extraction seq. entry.
1072                  * Each is considered a sibling to the other in terms of sharing
1073                  * the same extraction sequence entry.
1074                  */
1075                 if (fld == ICE_FLOW_FIELD_IDX_IPV4_TTL)
1076                         sib = ICE_FLOW_FIELD_IDX_IPV4_PROT;
1077                 else if (fld == ICE_FLOW_FIELD_IDX_IPV4_PROT)
1078                         sib = ICE_FLOW_FIELD_IDX_IPV4_TTL;
1079
1080                 /* If the sibling field is also included, that field's
1081                  * mask needs to be included.
1082                  */
1083                 if (match & BIT(sib))
1084                         sib_mask = ice_flds_info[sib].mask;
1085                 break;
1086         case ICE_FLOW_FIELD_IDX_IPV6_TTL:
1087         case ICE_FLOW_FIELD_IDX_IPV6_PROT:
1088                 prot_id = seg == 0 ? ICE_PROT_IPV6_OF_OR_S : ICE_PROT_IPV6_IL;
1089
1090                 /* TTL and PROT share the same extraction seq. entry.
1091                  * Each is considered a sibling to the other in terms of sharing
1092                  * the same extraction sequence entry.
1093                  */
1094                 if (fld == ICE_FLOW_FIELD_IDX_IPV6_TTL)
1095                         sib = ICE_FLOW_FIELD_IDX_IPV6_PROT;
1096                 else if (fld == ICE_FLOW_FIELD_IDX_IPV6_PROT)
1097                         sib = ICE_FLOW_FIELD_IDX_IPV6_TTL;
1098
1099                 /* If the sibling field is also included, that field's
1100                  * mask needs to be included.
1101                  */
1102                 if (match & BIT(sib))
1103                         sib_mask = ice_flds_info[sib].mask;
1104                 break;
1105         case ICE_FLOW_FIELD_IDX_IPV4_SA:
1106         case ICE_FLOW_FIELD_IDX_IPV4_DA:
1107                 prot_id = seg == 0 ? ICE_PROT_IPV4_OF_OR_S : ICE_PROT_IPV4_IL;
1108                 break;
1109         case ICE_FLOW_FIELD_IDX_IPV6_SA:
1110         case ICE_FLOW_FIELD_IDX_IPV6_DA:
1111         case ICE_FLOW_FIELD_IDX_IPV6_PRE32_SA:
1112         case ICE_FLOW_FIELD_IDX_IPV6_PRE32_DA:
1113         case ICE_FLOW_FIELD_IDX_IPV6_PRE48_SA:
1114         case ICE_FLOW_FIELD_IDX_IPV6_PRE48_DA:
1115         case ICE_FLOW_FIELD_IDX_IPV6_PRE64_SA:
1116         case ICE_FLOW_FIELD_IDX_IPV6_PRE64_DA:
1117                 prot_id = seg == 0 ? ICE_PROT_IPV6_OF_OR_S : ICE_PROT_IPV6_IL;
1118                 break;
1119         case ICE_FLOW_FIELD_IDX_TCP_SRC_PORT:
1120         case ICE_FLOW_FIELD_IDX_TCP_DST_PORT:
1121         case ICE_FLOW_FIELD_IDX_TCP_FLAGS:
1122                 prot_id = ICE_PROT_TCP_IL;
1123                 break;
1124         case ICE_FLOW_FIELD_IDX_UDP_SRC_PORT:
1125         case ICE_FLOW_FIELD_IDX_UDP_DST_PORT:
1126                 prot_id = ICE_PROT_UDP_IL_OR_S;
1127                 break;
1128         case ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT:
1129         case ICE_FLOW_FIELD_IDX_SCTP_DST_PORT:
1130                 prot_id = ICE_PROT_SCTP_IL;
1131                 break;
1132         case ICE_FLOW_FIELD_IDX_GTPC_TEID:
1133         case ICE_FLOW_FIELD_IDX_GTPU_IP_TEID:
1134         case ICE_FLOW_FIELD_IDX_GTPU_UP_TEID:
1135         case ICE_FLOW_FIELD_IDX_GTPU_DWN_TEID:
1136         case ICE_FLOW_FIELD_IDX_GTPU_EH_TEID:
1137         case ICE_FLOW_FIELD_IDX_GTPU_EH_QFI:
1138                 /* GTP is accessed through UDP OF protocol */
1139                 prot_id = ICE_PROT_UDP_OF;
1140                 break;
1141         case ICE_FLOW_FIELD_IDX_PPPOE_SESS_ID:
1142                 prot_id = ICE_PROT_PPPOE;
1143                 break;
1144         case ICE_FLOW_FIELD_IDX_PFCP_SEID:
1145                 prot_id = ICE_PROT_UDP_IL_OR_S;
1146                 break;
1147         case ICE_FLOW_FIELD_IDX_L2TPV3_SESS_ID:
1148                 prot_id = ICE_PROT_L2TPV3;
1149                 break;
1150         case ICE_FLOW_FIELD_IDX_ESP_SPI:
1151                 prot_id = ICE_PROT_ESP_F;
1152                 break;
1153         case ICE_FLOW_FIELD_IDX_AH_SPI:
1154                 prot_id = ICE_PROT_ESP_2;
1155                 break;
1156         case ICE_FLOW_FIELD_IDX_NAT_T_ESP_SPI:
1157                 prot_id = ICE_PROT_UDP_IL_OR_S;
1158                 break;
1159         case ICE_FLOW_FIELD_IDX_ARP_SIP:
1160         case ICE_FLOW_FIELD_IDX_ARP_DIP:
1161         case ICE_FLOW_FIELD_IDX_ARP_SHA:
1162         case ICE_FLOW_FIELD_IDX_ARP_DHA:
1163         case ICE_FLOW_FIELD_IDX_ARP_OP:
1164                 prot_id = ICE_PROT_ARP_OF;
1165                 break;
1166         case ICE_FLOW_FIELD_IDX_ICMP_TYPE:
1167         case ICE_FLOW_FIELD_IDX_ICMP_CODE:
1168                 /* ICMP type and code share the same extraction seq. entry */
1169                 prot_id = (params->prof->segs[seg].hdrs &
1170                            ICE_FLOW_SEG_HDR_IPV4) ?
1171                         ICE_PROT_ICMP_IL : ICE_PROT_ICMPV6_IL;
1172                 sib = fld == ICE_FLOW_FIELD_IDX_ICMP_TYPE ?
1173                         ICE_FLOW_FIELD_IDX_ICMP_CODE :
1174                         ICE_FLOW_FIELD_IDX_ICMP_TYPE;
1175                 break;
1176         case ICE_FLOW_FIELD_IDX_GRE_KEYID:
1177                 prot_id = ICE_PROT_GRE_OF;
1178                 break;
1179         default:
1180                 return ICE_ERR_NOT_IMPL;
1181         }
1182
1183         /* Each extraction sequence entry is a word in size, and extracts a
1184          * word-aligned offset from a protocol header.
1185          */
1186         ese_bits = ICE_FLOW_FV_EXTRACT_SZ * BITS_PER_BYTE;
1187
1188         flds[fld].xtrct.prot_id = prot_id;
1189         flds[fld].xtrct.off = (ice_flds_info[fld].off / ese_bits) *
1190                 ICE_FLOW_FV_EXTRACT_SZ;
1191         flds[fld].xtrct.disp = (u8)(ice_flds_info[fld].off % ese_bits);
1192         flds[fld].xtrct.idx = params->es_cnt;
1193         flds[fld].xtrct.mask = ice_flds_info[fld].mask;
1194
1195         /* Adjust the next field-entry index after accommodating the number of
1196          * entries this field consumes
1197          */
1198         cnt = DIVIDE_AND_ROUND_UP(flds[fld].xtrct.disp +
1199                                   ice_flds_info[fld].size, ese_bits);
1200
1201         /* Fill in the extraction sequence entries needed for this field */
1202         off = flds[fld].xtrct.off;
1203         mask = flds[fld].xtrct.mask;
1204         for (i = 0; i < cnt; i++) {
1205                 /* Only consume an extraction sequence entry if there is no
1206                  * sibling field associated with this field or the sibling entry
1207                  * already extracts the word shared with this field.
1208                  */
1209                 if (sib == ICE_FLOW_FIELD_IDX_MAX ||
1210                     flds[sib].xtrct.prot_id == ICE_PROT_ID_INVAL ||
1211                     flds[sib].xtrct.off != off) {
1212                         u8 idx;
1213
1214                         /* Make sure the number of extraction sequence required
1215                          * does not exceed the block's capability
1216                          */
1217                         if (params->es_cnt >= fv_words)
1218                                 return ICE_ERR_MAX_LIMIT;
1219
1220                         /* some blocks require a reversed field vector layout */
1221                         if (hw->blk[params->blk].es.reverse)
1222                                 idx = fv_words - params->es_cnt - 1;
1223                         else
1224                                 idx = params->es_cnt;
1225
1226                         params->es[idx].prot_id = prot_id;
1227                         params->es[idx].off = off;
1228                         params->mask[idx] = mask | sib_mask;
1229                         params->es_cnt++;
1230                 }
1231
1232                 off += ICE_FLOW_FV_EXTRACT_SZ;
1233         }
1234
1235         return ICE_SUCCESS;
1236 }
1237
1238 /**
1239  * ice_flow_xtract_raws - Create extract sequence entries for raw bytes
1240  * @hw: pointer to the HW struct
1241  * @params: information about the flow to be processed
1242  * @seg: index of packet segment whose raw fields are to be be extracted
1243  */
1244 static enum ice_status
1245 ice_flow_xtract_raws(struct ice_hw *hw, struct ice_flow_prof_params *params,
1246                      u8 seg)
1247 {
1248         u16 fv_words;
1249         u16 hdrs_sz;
1250         u8 i;
1251
1252         if (!params->prof->segs[seg].raws_cnt)
1253                 return ICE_SUCCESS;
1254
1255         if (params->prof->segs[seg].raws_cnt >
1256             ARRAY_SIZE(params->prof->segs[seg].raws))
1257                 return ICE_ERR_MAX_LIMIT;
1258
1259         /* Offsets within the segment headers are not supported */
1260         hdrs_sz = ice_flow_calc_seg_sz(params, seg);
1261         if (!hdrs_sz)
1262                 return ICE_ERR_PARAM;
1263
1264         fv_words = hw->blk[params->blk].es.fvw;
1265
1266         for (i = 0; i < params->prof->segs[seg].raws_cnt; i++) {
1267                 struct ice_flow_seg_fld_raw *raw;
1268                 u16 off, cnt, j;
1269
1270                 raw = &params->prof->segs[seg].raws[i];
1271
1272                 /* Storing extraction information */
1273                 raw->info.xtrct.prot_id = ICE_PROT_MAC_OF_OR_S;
1274                 raw->info.xtrct.off = (raw->off / ICE_FLOW_FV_EXTRACT_SZ) *
1275                         ICE_FLOW_FV_EXTRACT_SZ;
1276                 raw->info.xtrct.disp = (raw->off % ICE_FLOW_FV_EXTRACT_SZ) *
1277                         BITS_PER_BYTE;
1278                 raw->info.xtrct.idx = params->es_cnt;
1279
1280                 /* Determine the number of field vector entries this raw field
1281                  * consumes.
1282                  */
1283                 cnt = DIVIDE_AND_ROUND_UP(raw->info.xtrct.disp +
1284                                           (raw->info.src.last * BITS_PER_BYTE),
1285                                           (ICE_FLOW_FV_EXTRACT_SZ *
1286                                            BITS_PER_BYTE));
1287                 off = raw->info.xtrct.off;
1288                 for (j = 0; j < cnt; j++) {
1289                         u16 idx;
1290
1291                         /* Make sure the number of extraction sequence required
1292                          * does not exceed the block's capability
1293                          */
1294                         if (params->es_cnt >= hw->blk[params->blk].es.count ||
1295                             params->es_cnt >= ICE_MAX_FV_WORDS)
1296                                 return ICE_ERR_MAX_LIMIT;
1297
1298                         /* some blocks require a reversed field vector layout */
1299                         if (hw->blk[params->blk].es.reverse)
1300                                 idx = fv_words - params->es_cnt - 1;
1301                         else
1302                                 idx = params->es_cnt;
1303
1304                         params->es[idx].prot_id = raw->info.xtrct.prot_id;
1305                         params->es[idx].off = off;
1306                         params->es_cnt++;
1307                         off += ICE_FLOW_FV_EXTRACT_SZ;
1308                 }
1309         }
1310
1311         return ICE_SUCCESS;
1312 }
1313
1314 /**
1315  * ice_flow_create_xtrct_seq - Create an extraction sequence for given segments
1316  * @hw: pointer to the HW struct
1317  * @params: information about the flow to be processed
1318  *
1319  * This function iterates through all matched fields in the given segments, and
1320  * creates an extraction sequence for the fields.
1321  */
1322 static enum ice_status
1323 ice_flow_create_xtrct_seq(struct ice_hw *hw,
1324                           struct ice_flow_prof_params *params)
1325 {
1326         enum ice_status status = ICE_SUCCESS;
1327         u8 i;
1328
1329         /* For ACL, we also need to extract the direction bit (Rx,Tx) data from
1330          * packet flags
1331          */
1332         if (params->blk == ICE_BLK_ACL) {
1333                 status = ice_flow_xtract_pkt_flags(hw, params,
1334                                                    ICE_RX_MDID_PKT_FLAGS_15_0);
1335                 if (status)
1336                         return status;
1337         }
1338
1339         for (i = 0; i < params->prof->segs_cnt; i++) {
1340                 u64 match = params->prof->segs[i].match;
1341                 enum ice_flow_field j;
1342
1343                 for (j = 0; j < ICE_FLOW_FIELD_IDX_MAX && match; j++) {
1344                         const u64 bit = BIT_ULL(j);
1345
1346                         if (match & bit) {
1347                                 status = ice_flow_xtract_fld(hw, params, i, j,
1348                                                              match);
1349                                 if (status)
1350                                         return status;
1351                                 match &= ~bit;
1352                         }
1353                 }
1354
1355                 /* Process raw matching bytes */
1356                 status = ice_flow_xtract_raws(hw, params, i);
1357                 if (status)
1358                         return status;
1359         }
1360
1361         return status;
1362 }
1363
1364 /**
1365  * ice_flow_sel_acl_scen - returns the specific scenario
1366  * @hw: pointer to the hardware structure
1367  * @params: information about the flow to be processed
1368  *
1369  * This function will return the specific scenario based on the
1370  * params passed to it
1371  */
1372 static enum ice_status
1373 ice_flow_sel_acl_scen(struct ice_hw *hw, struct ice_flow_prof_params *params)
1374 {
1375         /* Find the best-fit scenario for the provided match width */
1376         struct ice_acl_scen *cand_scen = NULL, *scen;
1377
1378         if (!hw->acl_tbl)
1379                 return ICE_ERR_DOES_NOT_EXIST;
1380
1381         /* Loop through each scenario and match against the scenario width
1382          * to select the specific scenario
1383          */
1384         LIST_FOR_EACH_ENTRY(scen, &hw->acl_tbl->scens, ice_acl_scen, list_entry)
1385                 if (scen->eff_width >= params->entry_length &&
1386                     (!cand_scen || cand_scen->eff_width > scen->eff_width))
1387                         cand_scen = scen;
1388         if (!cand_scen)
1389                 return ICE_ERR_DOES_NOT_EXIST;
1390
1391         params->prof->cfg.scen = cand_scen;
1392
1393         return ICE_SUCCESS;
1394 }
1395
1396 /**
1397  * ice_flow_acl_def_entry_frmt - Determine the layout of flow entries
1398  * @params: information about the flow to be processed
1399  */
1400 static enum ice_status
1401 ice_flow_acl_def_entry_frmt(struct ice_flow_prof_params *params)
1402 {
1403         u16 index, i, range_idx = 0;
1404
1405         index = ICE_AQC_ACL_PROF_BYTE_SEL_START_IDX;
1406
1407         for (i = 0; i < params->prof->segs_cnt; i++) {
1408                 struct ice_flow_seg_info *seg = &params->prof->segs[i];
1409                 u64 match = seg->match;
1410                 u8 j;
1411
1412                 for (j = 0; j < ICE_FLOW_FIELD_IDX_MAX && match; j++) {
1413                         struct ice_flow_fld_info *fld;
1414                         const u64 bit = BIT_ULL(j);
1415
1416                         if (!(match & bit))
1417                                 continue;
1418
1419                         fld = &seg->fields[j];
1420                         fld->entry.mask = ICE_FLOW_FLD_OFF_INVAL;
1421
1422                         if (fld->type == ICE_FLOW_FLD_TYPE_RANGE) {
1423                                 fld->entry.last = ICE_FLOW_FLD_OFF_INVAL;
1424
1425                                 /* Range checking only supported for single
1426                                  * words
1427                                  */
1428                                 if (DIVIDE_AND_ROUND_UP(ice_flds_info[j].size +
1429                                                         fld->xtrct.disp,
1430                                                         BITS_PER_BYTE * 2) > 1)
1431                                         return ICE_ERR_PARAM;
1432
1433                                 /* Ranges must define low and high values */
1434                                 if (fld->src.val == ICE_FLOW_FLD_OFF_INVAL ||
1435                                     fld->src.last == ICE_FLOW_FLD_OFF_INVAL)
1436                                         return ICE_ERR_PARAM;
1437
1438                                 fld->entry.val = range_idx++;
1439                         } else {
1440                                 /* Store adjusted byte-length of field for later
1441                                  * use, taking into account potential
1442                                  * non-byte-aligned displacement
1443                                  */
1444                                 fld->entry.last = DIVIDE_AND_ROUND_UP
1445                                         (ice_flds_info[j].size +
1446                                          (fld->xtrct.disp % BITS_PER_BYTE),
1447                                          BITS_PER_BYTE);
1448                                 fld->entry.val = index;
1449                                 index += fld->entry.last;
1450                         }
1451
1452                         match &= ~bit;
1453                 }
1454
1455                 for (j = 0; j < seg->raws_cnt; j++) {
1456                         struct ice_flow_seg_fld_raw *raw = &seg->raws[j];
1457
1458                         raw->info.entry.mask = ICE_FLOW_FLD_OFF_INVAL;
1459                         raw->info.entry.val = index;
1460                         raw->info.entry.last = raw->info.src.last;
1461                         index += raw->info.entry.last;
1462                 }
1463         }
1464
1465         /* Currently only support using the byte selection base, which only
1466          * allows for an effective entry size of 30 bytes. Reject anything
1467          * larger.
1468          */
1469         if (index > ICE_AQC_ACL_PROF_BYTE_SEL_ELEMS)
1470                 return ICE_ERR_PARAM;
1471
1472         /* Only 8 range checkers per profile, reject anything trying to use
1473          * more
1474          */
1475         if (range_idx > ICE_AQC_ACL_PROF_RANGES_NUM_CFG)
1476                 return ICE_ERR_PARAM;
1477
1478         /* Store # bytes required for entry for later use */
1479         params->entry_length = index - ICE_AQC_ACL_PROF_BYTE_SEL_START_IDX;
1480
1481         return ICE_SUCCESS;
1482 }
1483
1484 /**
1485  * ice_flow_proc_segs - process all packet segments associated with a profile
1486  * @hw: pointer to the HW struct
1487  * @params: information about the flow to be processed
1488  */
1489 static enum ice_status
1490 ice_flow_proc_segs(struct ice_hw *hw, struct ice_flow_prof_params *params)
1491 {
1492         enum ice_status status;
1493
1494         status = ice_flow_proc_seg_hdrs(params);
1495         if (status)
1496                 return status;
1497
1498         status = ice_flow_create_xtrct_seq(hw, params);
1499         if (status)
1500                 return status;
1501
1502         switch (params->blk) {
1503         case ICE_BLK_FD:
1504         case ICE_BLK_RSS:
1505                 status = ICE_SUCCESS;
1506                 break;
1507         case ICE_BLK_ACL:
1508                 status = ice_flow_acl_def_entry_frmt(params);
1509                 if (status)
1510                         return status;
1511                 status = ice_flow_sel_acl_scen(hw, params);
1512                 if (status)
1513                         return status;
1514                 break;
1515         default:
1516                 return ICE_ERR_NOT_IMPL;
1517         }
1518
1519         return status;
1520 }
1521
1522 #define ICE_FLOW_FIND_PROF_CHK_FLDS     0x00000001
1523 #define ICE_FLOW_FIND_PROF_CHK_VSI      0x00000002
1524 #define ICE_FLOW_FIND_PROF_NOT_CHK_DIR  0x00000004
1525
1526 /**
1527  * ice_flow_find_prof_conds - Find a profile matching headers and conditions
1528  * @hw: pointer to the HW struct
1529  * @blk: classification stage
1530  * @dir: flow direction
1531  * @segs: array of one or more packet segments that describe the flow
1532  * @segs_cnt: number of packet segments provided
1533  * @vsi_handle: software VSI handle to check VSI (ICE_FLOW_FIND_PROF_CHK_VSI)
1534  * @conds: additional conditions to be checked (ICE_FLOW_FIND_PROF_CHK_*)
1535  */
1536 static struct ice_flow_prof *
1537 ice_flow_find_prof_conds(struct ice_hw *hw, enum ice_block blk,
1538                          enum ice_flow_dir dir, struct ice_flow_seg_info *segs,
1539                          u8 segs_cnt, u16 vsi_handle, u32 conds)
1540 {
1541         struct ice_flow_prof *p, *prof = NULL;
1542
1543         ice_acquire_lock(&hw->fl_profs_locks[blk]);
1544         LIST_FOR_EACH_ENTRY(p, &hw->fl_profs[blk], ice_flow_prof, l_entry)
1545                 if ((p->dir == dir || conds & ICE_FLOW_FIND_PROF_NOT_CHK_DIR) &&
1546                     segs_cnt && segs_cnt == p->segs_cnt) {
1547                         u8 i;
1548
1549                         /* Check for profile-VSI association if specified */
1550                         if ((conds & ICE_FLOW_FIND_PROF_CHK_VSI) &&
1551                             ice_is_vsi_valid(hw, vsi_handle) &&
1552                             !ice_is_bit_set(p->vsis, vsi_handle))
1553                                 continue;
1554
1555                         /* Protocol headers must be checked. Matched fields are
1556                          * checked if specified.
1557                          */
1558                         for (i = 0; i < segs_cnt; i++)
1559                                 if (segs[i].hdrs != p->segs[i].hdrs ||
1560                                     ((conds & ICE_FLOW_FIND_PROF_CHK_FLDS) &&
1561                                      segs[i].match != p->segs[i].match))
1562                                         break;
1563
1564                         /* A match is found if all segments are matched */
1565                         if (i == segs_cnt) {
1566                                 prof = p;
1567                                 break;
1568                         }
1569                 }
1570         ice_release_lock(&hw->fl_profs_locks[blk]);
1571
1572         return prof;
1573 }
1574
1575 /**
1576  * ice_flow_find_prof - Look up a profile matching headers and matched fields
1577  * @hw: pointer to the HW struct
1578  * @blk: classification stage
1579  * @dir: flow direction
1580  * @segs: array of one or more packet segments that describe the flow
1581  * @segs_cnt: number of packet segments provided
1582  */
1583 u64
1584 ice_flow_find_prof(struct ice_hw *hw, enum ice_block blk, enum ice_flow_dir dir,
1585                    struct ice_flow_seg_info *segs, u8 segs_cnt)
1586 {
1587         struct ice_flow_prof *p;
1588
1589         p = ice_flow_find_prof_conds(hw, blk, dir, segs, segs_cnt,
1590                                      ICE_MAX_VSI, ICE_FLOW_FIND_PROF_CHK_FLDS);
1591
1592         return p ? p->id : ICE_FLOW_PROF_ID_INVAL;
1593 }
1594
1595 /**
1596  * ice_flow_find_prof_id - Look up a profile with given profile ID
1597  * @hw: pointer to the HW struct
1598  * @blk: classification stage
1599  * @prof_id: unique ID to identify this flow profile
1600  */
1601 static struct ice_flow_prof *
1602 ice_flow_find_prof_id(struct ice_hw *hw, enum ice_block blk, u64 prof_id)
1603 {
1604         struct ice_flow_prof *p;
1605
1606         LIST_FOR_EACH_ENTRY(p, &hw->fl_profs[blk], ice_flow_prof, l_entry)
1607                 if (p->id == prof_id)
1608                         return p;
1609
1610         return NULL;
1611 }
1612
1613 /**
1614  * ice_dealloc_flow_entry - Deallocate flow entry memory
1615  * @hw: pointer to the HW struct
1616  * @entry: flow entry to be removed
1617  */
1618 static void
1619 ice_dealloc_flow_entry(struct ice_hw *hw, struct ice_flow_entry *entry)
1620 {
1621         if (!entry)
1622                 return;
1623
1624         if (entry->entry)
1625                 ice_free(hw, entry->entry);
1626
1627         if (entry->range_buf) {
1628                 ice_free(hw, entry->range_buf);
1629                 entry->range_buf = NULL;
1630         }
1631
1632         if (entry->acts) {
1633                 ice_free(hw, entry->acts);
1634                 entry->acts = NULL;
1635                 entry->acts_cnt = 0;
1636         }
1637
1638         ice_free(hw, entry);
1639 }
1640
1641 #define ICE_ACL_INVALID_SCEN    0x3f
1642
1643 /**
1644  * ice_flow_acl_is_prof_in_use - Verify if the profile is associated to any PF
1645  * @hw: pointer to the hardware structure
1646  * @prof: pointer to flow profile
1647  * @buf: destination buffer function writes partial extraction sequence to
1648  *
1649  * returns ICE_SUCCESS if no PF is associated to the given profile
1650  * returns ICE_ERR_IN_USE if at least one PF is associated to the given profile
1651  * returns other error code for real error
1652  */
1653 static enum ice_status
1654 ice_flow_acl_is_prof_in_use(struct ice_hw *hw, struct ice_flow_prof *prof,
1655                             struct ice_aqc_acl_prof_generic_frmt *buf)
1656 {
1657         enum ice_status status;
1658         u8 prof_id = 0;
1659
1660         status = ice_flow_get_hw_prof(hw, ICE_BLK_ACL, prof->id, &prof_id);
1661         if (status)
1662                 return status;
1663
1664         status = ice_query_acl_prof(hw, prof_id, buf, NULL);
1665         if (status)
1666                 return status;
1667
1668         /* If all PF's associated scenarios are all 0 or all
1669          * ICE_ACL_INVALID_SCEN (63) for the given profile then the latter has
1670          * not been configured yet.
1671          */
1672         if (buf->pf_scenario_num[0] == 0 && buf->pf_scenario_num[1] == 0 &&
1673             buf->pf_scenario_num[2] == 0 && buf->pf_scenario_num[3] == 0 &&
1674             buf->pf_scenario_num[4] == 0 && buf->pf_scenario_num[5] == 0 &&
1675             buf->pf_scenario_num[6] == 0 && buf->pf_scenario_num[7] == 0)
1676                 return ICE_SUCCESS;
1677
1678         if (buf->pf_scenario_num[0] == ICE_ACL_INVALID_SCEN &&
1679             buf->pf_scenario_num[1] == ICE_ACL_INVALID_SCEN &&
1680             buf->pf_scenario_num[2] == ICE_ACL_INVALID_SCEN &&
1681             buf->pf_scenario_num[3] == ICE_ACL_INVALID_SCEN &&
1682             buf->pf_scenario_num[4] == ICE_ACL_INVALID_SCEN &&
1683             buf->pf_scenario_num[5] == ICE_ACL_INVALID_SCEN &&
1684             buf->pf_scenario_num[6] == ICE_ACL_INVALID_SCEN &&
1685             buf->pf_scenario_num[7] == ICE_ACL_INVALID_SCEN)
1686                 return ICE_SUCCESS;
1687         else
1688                 return ICE_ERR_IN_USE;
1689 }
1690
1691 /**
1692  * ice_flow_acl_free_act_cntr - Free the ACL rule's actions
1693  * @hw: pointer to the hardware structure
1694  * @acts: array of actions to be performed on a match
1695  * @acts_cnt: number of actions
1696  */
1697 static enum ice_status
1698 ice_flow_acl_free_act_cntr(struct ice_hw *hw, struct ice_flow_action *acts,
1699                            u8 acts_cnt)
1700 {
1701         int i;
1702
1703         for (i = 0; i < acts_cnt; i++) {
1704                 if (acts[i].type == ICE_FLOW_ACT_CNTR_PKT ||
1705                     acts[i].type == ICE_FLOW_ACT_CNTR_BYTES ||
1706                     acts[i].type == ICE_FLOW_ACT_CNTR_PKT_BYTES) {
1707                         struct ice_acl_cntrs cntrs;
1708                         enum ice_status status;
1709
1710                         cntrs.bank = 0; /* Only bank0 for the moment */
1711                         cntrs.first_cntr =
1712                                         LE16_TO_CPU(acts[i].data.acl_act.value);
1713                         cntrs.last_cntr =
1714                                         LE16_TO_CPU(acts[i].data.acl_act.value);
1715
1716                         if (acts[i].type == ICE_FLOW_ACT_CNTR_PKT_BYTES)
1717                                 cntrs.type = ICE_AQC_ACL_CNT_TYPE_DUAL;
1718                         else
1719                                 cntrs.type = ICE_AQC_ACL_CNT_TYPE_SINGLE;
1720
1721                         status = ice_aq_dealloc_acl_cntrs(hw, &cntrs, NULL);
1722                         if (status)
1723                                 return status;
1724                 }
1725         }
1726         return ICE_SUCCESS;
1727 }
1728
1729 /**
1730  * ice_flow_acl_disassoc_scen - Disassociate the scenario from the profile
1731  * @hw: pointer to the hardware structure
1732  * @prof: pointer to flow profile
1733  *
1734  * Disassociate the scenario from the profile for the PF of the VSI.
1735  */
1736 static enum ice_status
1737 ice_flow_acl_disassoc_scen(struct ice_hw *hw, struct ice_flow_prof *prof)
1738 {
1739         struct ice_aqc_acl_prof_generic_frmt buf;
1740         enum ice_status status = ICE_SUCCESS;
1741         u8 prof_id = 0;
1742
1743         ice_memset(&buf, 0, sizeof(buf), ICE_NONDMA_MEM);
1744
1745         status = ice_flow_get_hw_prof(hw, ICE_BLK_ACL, prof->id, &prof_id);
1746         if (status)
1747                 return status;
1748
1749         status = ice_query_acl_prof(hw, prof_id, &buf, NULL);
1750         if (status)
1751                 return status;
1752
1753         /* Clear scenario for this PF */
1754         buf.pf_scenario_num[hw->pf_id] = ICE_ACL_INVALID_SCEN;
1755         status = ice_prgm_acl_prof_extrt(hw, prof_id, &buf, NULL);
1756
1757         return status;
1758 }
1759
1760 /**
1761  * ice_flow_rem_entry_sync - Remove a flow entry
1762  * @hw: pointer to the HW struct
1763  * @blk: classification stage
1764  * @entry: flow entry to be removed
1765  */
1766 static enum ice_status
1767 ice_flow_rem_entry_sync(struct ice_hw *hw, enum ice_block blk,
1768                         struct ice_flow_entry *entry)
1769 {
1770         if (!entry)
1771                 return ICE_ERR_BAD_PTR;
1772
1773         if (blk == ICE_BLK_ACL) {
1774                 enum ice_status status;
1775
1776                 if (!entry->prof)
1777                         return ICE_ERR_BAD_PTR;
1778
1779                 status = ice_acl_rem_entry(hw, entry->prof->cfg.scen,
1780                                            entry->scen_entry_idx);
1781                 if (status)
1782                         return status;
1783
1784                 /* Checks if we need to release an ACL counter. */
1785                 if (entry->acts_cnt && entry->acts)
1786                         ice_flow_acl_free_act_cntr(hw, entry->acts,
1787                                                    entry->acts_cnt);
1788         }
1789
1790         LIST_DEL(&entry->l_entry);
1791
1792         ice_dealloc_flow_entry(hw, entry);
1793
1794         return ICE_SUCCESS;
1795 }
1796
1797 /**
1798  * ice_flow_add_prof_sync - Add a flow profile for packet segments and fields
1799  * @hw: pointer to the HW struct
1800  * @blk: classification stage
1801  * @dir: flow direction
1802  * @prof_id: unique ID to identify this flow profile
1803  * @segs: array of one or more packet segments that describe the flow
1804  * @segs_cnt: number of packet segments provided
1805  * @acts: array of default actions
1806  * @acts_cnt: number of default actions
1807  * @prof: stores the returned flow profile added
1808  *
1809  * Assumption: the caller has acquired the lock to the profile list
1810  */
1811 static enum ice_status
1812 ice_flow_add_prof_sync(struct ice_hw *hw, enum ice_block blk,
1813                        enum ice_flow_dir dir, u64 prof_id,
1814                        struct ice_flow_seg_info *segs, u8 segs_cnt,
1815                        struct ice_flow_action *acts, u8 acts_cnt,
1816                        struct ice_flow_prof **prof)
1817 {
1818         struct ice_flow_prof_params params;
1819         enum ice_status status;
1820         u8 i;
1821
1822         if (!prof || (acts_cnt && !acts))
1823                 return ICE_ERR_BAD_PTR;
1824
1825         ice_memset(&params, 0, sizeof(params), ICE_NONDMA_MEM);
1826         params.prof = (struct ice_flow_prof *)
1827                 ice_malloc(hw, sizeof(*params.prof));
1828         if (!params.prof)
1829                 return ICE_ERR_NO_MEMORY;
1830
1831         /* initialize extraction sequence to all invalid (0xff) */
1832         for (i = 0; i < ICE_MAX_FV_WORDS; i++) {
1833                 params.es[i].prot_id = ICE_PROT_INVALID;
1834                 params.es[i].off = ICE_FV_OFFSET_INVAL;
1835         }
1836
1837         params.blk = blk;
1838         params.prof->id = prof_id;
1839         params.prof->dir = dir;
1840         params.prof->segs_cnt = segs_cnt;
1841
1842         /* Make a copy of the segments that need to be persistent in the flow
1843          * profile instance
1844          */
1845         for (i = 0; i < segs_cnt; i++)
1846                 ice_memcpy(&params.prof->segs[i], &segs[i], sizeof(*segs),
1847                            ICE_NONDMA_TO_NONDMA);
1848
1849         /* Make a copy of the actions that need to be persistent in the flow
1850          * profile instance.
1851          */
1852         if (acts_cnt) {
1853                 params.prof->acts = (struct ice_flow_action *)
1854                         ice_memdup(hw, acts, acts_cnt * sizeof(*acts),
1855                                    ICE_NONDMA_TO_NONDMA);
1856
1857                 if (!params.prof->acts) {
1858                         status = ICE_ERR_NO_MEMORY;
1859                         goto out;
1860                 }
1861         }
1862
1863         status = ice_flow_proc_segs(hw, &params);
1864         if (status) {
1865                 ice_debug(hw, ICE_DBG_FLOW,
1866                           "Error processing a flow's packet segments\n");
1867                 goto out;
1868         }
1869
1870         /* Add a HW profile for this flow profile */
1871         status = ice_add_prof(hw, blk, prof_id, (u8 *)params.ptypes,
1872                               params.attr, params.attr_cnt, params.es,
1873                               params.mask);
1874         if (status) {
1875                 ice_debug(hw, ICE_DBG_FLOW, "Error adding a HW flow profile\n");
1876                 goto out;
1877         }
1878
1879         INIT_LIST_HEAD(&params.prof->entries);
1880         ice_init_lock(&params.prof->entries_lock);
1881         *prof = params.prof;
1882
1883 out:
1884         if (status) {
1885                 if (params.prof->acts)
1886                         ice_free(hw, params.prof->acts);
1887                 ice_free(hw, params.prof);
1888         }
1889
1890         return status;
1891 }
1892
1893 /**
1894  * ice_flow_rem_prof_sync - remove a flow profile
1895  * @hw: pointer to the hardware structure
1896  * @blk: classification stage
1897  * @prof: pointer to flow profile to remove
1898  *
1899  * Assumption: the caller has acquired the lock to the profile list
1900  */
1901 static enum ice_status
1902 ice_flow_rem_prof_sync(struct ice_hw *hw, enum ice_block blk,
1903                        struct ice_flow_prof *prof)
1904 {
1905         enum ice_status status;
1906
1907         /* Remove all remaining flow entries before removing the flow profile */
1908         if (!LIST_EMPTY(&prof->entries)) {
1909                 struct ice_flow_entry *e, *t;
1910
1911                 ice_acquire_lock(&prof->entries_lock);
1912
1913                 LIST_FOR_EACH_ENTRY_SAFE(e, t, &prof->entries, ice_flow_entry,
1914                                          l_entry) {
1915                         status = ice_flow_rem_entry_sync(hw, blk, e);
1916                         if (status)
1917                                 break;
1918                 }
1919
1920                 ice_release_lock(&prof->entries_lock);
1921         }
1922
1923         if (blk == ICE_BLK_ACL) {
1924                 struct ice_aqc_acl_profile_ranges query_rng_buf;
1925                 struct ice_aqc_acl_prof_generic_frmt buf;
1926                 u8 prof_id = 0;
1927
1928                 /* Disassociate the scenario from the profile for the PF */
1929                 status = ice_flow_acl_disassoc_scen(hw, prof);
1930                 if (status)
1931                         return status;
1932
1933                 /* Clear the range-checker if the profile ID is no longer
1934                  * used by any PF
1935                  */
1936                 status = ice_flow_acl_is_prof_in_use(hw, prof, &buf);
1937                 if (status && status != ICE_ERR_IN_USE) {
1938                         return status;
1939                 } else if (!status) {
1940                         /* Clear the range-checker value for profile ID */
1941                         ice_memset(&query_rng_buf, 0,
1942                                    sizeof(struct ice_aqc_acl_profile_ranges),
1943                                    ICE_NONDMA_MEM);
1944
1945                         status = ice_flow_get_hw_prof(hw, blk, prof->id,
1946                                                       &prof_id);
1947                         if (status)
1948                                 return status;
1949
1950                         status = ice_prog_acl_prof_ranges(hw, prof_id,
1951                                                           &query_rng_buf, NULL);
1952                         if (status)
1953                                 return status;
1954                 }
1955         }
1956
1957         /* Remove all hardware profiles associated with this flow profile */
1958         status = ice_rem_prof(hw, blk, prof->id);
1959         if (!status) {
1960                 LIST_DEL(&prof->l_entry);
1961                 ice_destroy_lock(&prof->entries_lock);
1962                 if (prof->acts)
1963                         ice_free(hw, prof->acts);
1964                 ice_free(hw, prof);
1965         }
1966
1967         return status;
1968 }
1969
1970 /**
1971  * ice_flow_acl_set_xtrct_seq_fld - Populate xtrct seq for single field
1972  * @buf: Destination buffer function writes partial xtrct sequence to
1973  * @info: Info about field
1974  */
1975 static void
1976 ice_flow_acl_set_xtrct_seq_fld(struct ice_aqc_acl_prof_generic_frmt *buf,
1977                                struct ice_flow_fld_info *info)
1978 {
1979         u16 dst, i;
1980         u8 src;
1981
1982         src = info->xtrct.idx * ICE_FLOW_FV_EXTRACT_SZ +
1983                 info->xtrct.disp / BITS_PER_BYTE;
1984         dst = info->entry.val;
1985         for (i = 0; i < info->entry.last; i++)
1986                 /* HW stores field vector words in LE, convert words back to BE
1987                  * so constructed entries will end up in network order
1988                  */
1989                 buf->byte_selection[dst++] = src++ ^ 1;
1990 }
1991
1992 /**
1993  * ice_flow_acl_set_xtrct_seq - Program ACL extraction sequence
1994  * @hw: pointer to the hardware structure
1995  * @prof: pointer to flow profile
1996  */
1997 static enum ice_status
1998 ice_flow_acl_set_xtrct_seq(struct ice_hw *hw, struct ice_flow_prof *prof)
1999 {
2000         struct ice_aqc_acl_prof_generic_frmt buf;
2001         struct ice_flow_fld_info *info;
2002         enum ice_status status;
2003         u8 prof_id = 0;
2004         u16 i;
2005
2006         ice_memset(&buf, 0, sizeof(buf), ICE_NONDMA_MEM);
2007
2008         status = ice_flow_get_hw_prof(hw, ICE_BLK_ACL, prof->id, &prof_id);
2009         if (status)
2010                 return status;
2011
2012         status = ice_flow_acl_is_prof_in_use(hw, prof, &buf);
2013         if (status && status != ICE_ERR_IN_USE)
2014                 return status;
2015
2016         if (!status) {
2017                 /* Program the profile dependent configuration. This is done
2018                  * only once regardless of the number of PFs using that profile
2019                  */
2020                 ice_memset(&buf, 0, sizeof(buf), ICE_NONDMA_MEM);
2021
2022                 for (i = 0; i < prof->segs_cnt; i++) {
2023                         struct ice_flow_seg_info *seg = &prof->segs[i];
2024                         u64 match = seg->match;
2025                         u16 j;
2026
2027                         for (j = 0; j < ICE_FLOW_FIELD_IDX_MAX && match; j++) {
2028                                 const u64 bit = BIT_ULL(j);
2029
2030                                 if (!(match & bit))
2031                                         continue;
2032
2033                                 info = &seg->fields[j];
2034
2035                                 if (info->type == ICE_FLOW_FLD_TYPE_RANGE)
2036                                         buf.word_selection[info->entry.val] =
2037                                                                 info->xtrct.idx;
2038                                 else
2039                                         ice_flow_acl_set_xtrct_seq_fld(&buf,
2040                                                                        info);
2041
2042                                 match &= ~bit;
2043                         }
2044
2045                         for (j = 0; j < seg->raws_cnt; j++) {
2046                                 info = &seg->raws[j].info;
2047                                 ice_flow_acl_set_xtrct_seq_fld(&buf, info);
2048                         }
2049                 }
2050
2051                 ice_memset(&buf.pf_scenario_num[0], ICE_ACL_INVALID_SCEN,
2052                            ICE_AQC_ACL_PROF_PF_SCEN_NUM_ELEMS,
2053                            ICE_NONDMA_MEM);
2054         }
2055
2056         /* Update the current PF */
2057         buf.pf_scenario_num[hw->pf_id] = (u8)prof->cfg.scen->id;
2058         status = ice_prgm_acl_prof_extrt(hw, prof_id, &buf, NULL);
2059
2060         return status;
2061 }
2062
2063 /**
2064  * ice_flow_assoc_vsig_vsi - associate a VSI with VSIG
2065  * @hw: pointer to the hardware structure
2066  * @blk: classification stage
2067  * @vsi_handle: software VSI handle
2068  * @vsig: target VSI group
2069  *
2070  * Assumption: the caller has already verified that the VSI to
2071  * be added has the same characteristics as the VSIG and will
2072  * thereby have access to all resources added to that VSIG.
2073  */
2074 enum ice_status
2075 ice_flow_assoc_vsig_vsi(struct ice_hw *hw, enum ice_block blk, u16 vsi_handle,
2076                         u16 vsig)
2077 {
2078         enum ice_status status;
2079
2080         if (!ice_is_vsi_valid(hw, vsi_handle) || blk >= ICE_BLK_COUNT)
2081                 return ICE_ERR_PARAM;
2082
2083         ice_acquire_lock(&hw->fl_profs_locks[blk]);
2084         status = ice_add_vsi_flow(hw, blk, ice_get_hw_vsi_num(hw, vsi_handle),
2085                                   vsig);
2086         ice_release_lock(&hw->fl_profs_locks[blk]);
2087
2088         return status;
2089 }
2090
2091 /**
2092  * ice_flow_assoc_prof - associate a VSI with a flow profile
2093  * @hw: pointer to the hardware structure
2094  * @blk: classification stage
2095  * @prof: pointer to flow profile
2096  * @vsi_handle: software VSI handle
2097  *
2098  * Assumption: the caller has acquired the lock to the profile list
2099  * and the software VSI handle has been validated
2100  */
2101 static enum ice_status
2102 ice_flow_assoc_prof(struct ice_hw *hw, enum ice_block blk,
2103                     struct ice_flow_prof *prof, u16 vsi_handle)
2104 {
2105         enum ice_status status = ICE_SUCCESS;
2106
2107         if (!ice_is_bit_set(prof->vsis, vsi_handle)) {
2108                 if (blk == ICE_BLK_ACL) {
2109                         status = ice_flow_acl_set_xtrct_seq(hw, prof);
2110                         if (status)
2111                                 return status;
2112                 }
2113                 status = ice_add_prof_id_flow(hw, blk,
2114                                               ice_get_hw_vsi_num(hw,
2115                                                                  vsi_handle),
2116                                               prof->id);
2117                 if (!status)
2118                         ice_set_bit(vsi_handle, prof->vsis);
2119                 else
2120                         ice_debug(hw, ICE_DBG_FLOW,
2121                                   "HW profile add failed, %d\n",
2122                                   status);
2123         }
2124
2125         return status;
2126 }
2127
2128 /**
2129  * ice_flow_disassoc_prof - disassociate a VSI from a flow profile
2130  * @hw: pointer to the hardware structure
2131  * @blk: classification stage
2132  * @prof: pointer to flow profile
2133  * @vsi_handle: software VSI handle
2134  *
2135  * Assumption: the caller has acquired the lock to the profile list
2136  * and the software VSI handle has been validated
2137  */
2138 static enum ice_status
2139 ice_flow_disassoc_prof(struct ice_hw *hw, enum ice_block blk,
2140                        struct ice_flow_prof *prof, u16 vsi_handle)
2141 {
2142         enum ice_status status = ICE_SUCCESS;
2143
2144         if (ice_is_bit_set(prof->vsis, vsi_handle)) {
2145                 status = ice_rem_prof_id_flow(hw, blk,
2146                                               ice_get_hw_vsi_num(hw,
2147                                                                  vsi_handle),
2148                                               prof->id);
2149                 if (!status)
2150                         ice_clear_bit(vsi_handle, prof->vsis);
2151                 else
2152                         ice_debug(hw, ICE_DBG_FLOW,
2153                                   "HW profile remove failed, %d\n",
2154                                   status);
2155         }
2156
2157         return status;
2158 }
2159
2160 /**
2161  * ice_flow_add_prof - Add a flow profile for packet segments and matched fields
2162  * @hw: pointer to the HW struct
2163  * @blk: classification stage
2164  * @dir: flow direction
2165  * @prof_id: unique ID to identify this flow profile
2166  * @segs: array of one or more packet segments that describe the flow
2167  * @segs_cnt: number of packet segments provided
2168  * @acts: array of default actions
2169  * @acts_cnt: number of default actions
2170  * @prof: stores the returned flow profile added
2171  */
2172 enum ice_status
2173 ice_flow_add_prof(struct ice_hw *hw, enum ice_block blk, enum ice_flow_dir dir,
2174                   u64 prof_id, struct ice_flow_seg_info *segs, u8 segs_cnt,
2175                   struct ice_flow_action *acts, u8 acts_cnt,
2176                   struct ice_flow_prof **prof)
2177 {
2178         enum ice_status status;
2179
2180         if (segs_cnt > ICE_FLOW_SEG_MAX)
2181                 return ICE_ERR_MAX_LIMIT;
2182
2183         if (!segs_cnt)
2184                 return ICE_ERR_PARAM;
2185
2186         if (!segs)
2187                 return ICE_ERR_BAD_PTR;
2188
2189         status = ice_flow_val_hdrs(segs, segs_cnt);
2190         if (status)
2191                 return status;
2192
2193         ice_acquire_lock(&hw->fl_profs_locks[blk]);
2194
2195         status = ice_flow_add_prof_sync(hw, blk, dir, prof_id, segs, segs_cnt,
2196                                         acts, acts_cnt, prof);
2197         if (!status)
2198                 LIST_ADD(&(*prof)->l_entry, &hw->fl_profs[blk]);
2199
2200         ice_release_lock(&hw->fl_profs_locks[blk]);
2201
2202         return status;
2203 }
2204
2205 /**
2206  * ice_flow_rem_prof - Remove a flow profile and all entries associated with it
2207  * @hw: pointer to the HW struct
2208  * @blk: the block for which the flow profile is to be removed
2209  * @prof_id: unique ID of the flow profile to be removed
2210  */
2211 enum ice_status
2212 ice_flow_rem_prof(struct ice_hw *hw, enum ice_block blk, u64 prof_id)
2213 {
2214         struct ice_flow_prof *prof;
2215         enum ice_status status;
2216
2217         ice_acquire_lock(&hw->fl_profs_locks[blk]);
2218
2219         prof = ice_flow_find_prof_id(hw, blk, prof_id);
2220         if (!prof) {
2221                 status = ICE_ERR_DOES_NOT_EXIST;
2222                 goto out;
2223         }
2224
2225         /* prof becomes invalid after the call */
2226         status = ice_flow_rem_prof_sync(hw, blk, prof);
2227
2228 out:
2229         ice_release_lock(&hw->fl_profs_locks[blk]);
2230
2231         return status;
2232 }
2233
2234 /**
2235  * ice_flow_get_hw_prof - return the HW profile for a specific profile ID handle
2236  * @hw: pointer to the HW struct
2237  * @blk: classification stage
2238  * @prof_id: the profile ID handle
2239  * @hw_prof_id: pointer to variable to receive the HW profile ID
2240  */
2241 enum ice_status
2242 ice_flow_get_hw_prof(struct ice_hw *hw, enum ice_block blk, u64 prof_id,
2243                      u8 *hw_prof_id)
2244 {
2245         enum ice_status status = ICE_ERR_DOES_NOT_EXIST;
2246         struct ice_prof_map *map;
2247
2248         ice_acquire_lock(&hw->blk[blk].es.prof_map_lock);
2249         map = ice_search_prof_id(hw, blk, prof_id);
2250         if (map) {
2251                 *hw_prof_id = map->prof_id;
2252                 status = ICE_SUCCESS;
2253         }
2254         ice_release_lock(&hw->blk[blk].es.prof_map_lock);
2255         return status;
2256 }
2257
2258 /**
2259  * ice_flow_find_entry - look for a flow entry using its unique ID
2260  * @hw: pointer to the HW struct
2261  * @blk: classification stage
2262  * @entry_id: unique ID to identify this flow entry
2263  *
2264  * This function looks for the flow entry with the specified unique ID in all
2265  * flow profiles of the specified classification stage. If the entry is found,
2266  * and it returns the handle to the flow entry. Otherwise, it returns
2267  * ICE_FLOW_ENTRY_ID_INVAL.
2268  */
2269 u64 ice_flow_find_entry(struct ice_hw *hw, enum ice_block blk, u64 entry_id)
2270 {
2271         struct ice_flow_entry *found = NULL;
2272         struct ice_flow_prof *p;
2273
2274         ice_acquire_lock(&hw->fl_profs_locks[blk]);
2275
2276         LIST_FOR_EACH_ENTRY(p, &hw->fl_profs[blk], ice_flow_prof, l_entry) {
2277                 struct ice_flow_entry *e;
2278
2279                 ice_acquire_lock(&p->entries_lock);
2280                 LIST_FOR_EACH_ENTRY(e, &p->entries, ice_flow_entry, l_entry)
2281                         if (e->id == entry_id) {
2282                                 found = e;
2283                                 break;
2284                         }
2285                 ice_release_lock(&p->entries_lock);
2286
2287                 if (found)
2288                         break;
2289         }
2290
2291         ice_release_lock(&hw->fl_profs_locks[blk]);
2292
2293         return found ? ICE_FLOW_ENTRY_HNDL(found) : ICE_FLOW_ENTRY_HANDLE_INVAL;
2294 }
2295
2296 /**
2297  * ice_flow_acl_check_actions - Checks the ACL rule's actions
2298  * @hw: pointer to the hardware structure
2299  * @acts: array of actions to be performed on a match
2300  * @acts_cnt: number of actions
2301  * @cnt_alloc: indicates if an ACL counter has been allocated.
2302  */
2303 static enum ice_status
2304 ice_flow_acl_check_actions(struct ice_hw *hw, struct ice_flow_action *acts,
2305                            u8 acts_cnt, bool *cnt_alloc)
2306 {
2307         ice_declare_bitmap(dup_check, ICE_AQC_TBL_MAX_ACTION_PAIRS * 2);
2308         int i;
2309
2310         ice_zero_bitmap(dup_check, ICE_AQC_TBL_MAX_ACTION_PAIRS * 2);
2311         *cnt_alloc = false;
2312
2313         if (acts_cnt > ICE_FLOW_ACL_MAX_NUM_ACT)
2314                 return ICE_ERR_OUT_OF_RANGE;
2315
2316         for (i = 0; i < acts_cnt; i++) {
2317                 if (acts[i].type != ICE_FLOW_ACT_NOP &&
2318                     acts[i].type != ICE_FLOW_ACT_DROP &&
2319                     acts[i].type != ICE_FLOW_ACT_CNTR_PKT &&
2320                     acts[i].type != ICE_FLOW_ACT_FWD_QUEUE)
2321                         return ICE_ERR_CFG;
2322
2323                 /* If the caller want to add two actions of the same type, then
2324                  * it is considered invalid configuration.
2325                  */
2326                 if (ice_test_and_set_bit(acts[i].type, dup_check))
2327                         return ICE_ERR_PARAM;
2328         }
2329
2330         /* Checks if ACL counters are needed. */
2331         for (i = 0; i < acts_cnt; i++) {
2332                 if (acts[i].type == ICE_FLOW_ACT_CNTR_PKT ||
2333                     acts[i].type == ICE_FLOW_ACT_CNTR_BYTES ||
2334                     acts[i].type == ICE_FLOW_ACT_CNTR_PKT_BYTES) {
2335                         struct ice_acl_cntrs cntrs;
2336                         enum ice_status status;
2337
2338                         cntrs.amount = 1;
2339                         cntrs.bank = 0; /* Only bank0 for the moment */
2340
2341                         if (acts[i].type == ICE_FLOW_ACT_CNTR_PKT_BYTES)
2342                                 cntrs.type = ICE_AQC_ACL_CNT_TYPE_DUAL;
2343                         else
2344                                 cntrs.type = ICE_AQC_ACL_CNT_TYPE_SINGLE;
2345
2346                         status = ice_aq_alloc_acl_cntrs(hw, &cntrs, NULL);
2347                         if (status)
2348                                 return status;
2349                         /* Counter index within the bank */
2350                         acts[i].data.acl_act.value =
2351                                                 CPU_TO_LE16(cntrs.first_cntr);
2352                         *cnt_alloc = true;
2353                 }
2354         }
2355
2356         return ICE_SUCCESS;
2357 }
2358
2359 /**
2360  * ice_flow_acl_frmt_entry_range - Format an ACL range checker for a given field
2361  * @fld: number of the given field
2362  * @info: info about field
2363  * @range_buf: range checker configuration buffer
2364  * @data: pointer to a data buffer containing flow entry's match values/masks
2365  * @range: Input/output param indicating which range checkers are being used
2366  */
2367 static void
2368 ice_flow_acl_frmt_entry_range(u16 fld, struct ice_flow_fld_info *info,
2369                               struct ice_aqc_acl_profile_ranges *range_buf,
2370                               u8 *data, u8 *range)
2371 {
2372         u16 new_mask;
2373
2374         /* If not specified, default mask is all bits in field */
2375         new_mask = (info->src.mask == ICE_FLOW_FLD_OFF_INVAL ?
2376                     BIT(ice_flds_info[fld].size) - 1 :
2377                     (*(u16 *)(data + info->src.mask))) << info->xtrct.disp;
2378
2379         /* If the mask is 0, then we don't need to worry about this input
2380          * range checker value.
2381          */
2382         if (new_mask) {
2383                 u16 new_high =
2384                         (*(u16 *)(data + info->src.last)) << info->xtrct.disp;
2385                 u16 new_low =
2386                         (*(u16 *)(data + info->src.val)) << info->xtrct.disp;
2387                 u8 range_idx = info->entry.val;
2388
2389                 range_buf->checker_cfg[range_idx].low_boundary =
2390                         CPU_TO_BE16(new_low);
2391                 range_buf->checker_cfg[range_idx].high_boundary =
2392                         CPU_TO_BE16(new_high);
2393                 range_buf->checker_cfg[range_idx].mask = CPU_TO_BE16(new_mask);
2394
2395                 /* Indicate which range checker is being used */
2396                 *range |= BIT(range_idx);
2397         }
2398 }
2399
2400 /**
2401  * ice_flow_acl_frmt_entry_fld - Partially format ACL entry for a given field
2402  * @fld: number of the given field
2403  * @info: info about the field
2404  * @buf: buffer containing the entry
2405  * @dontcare: buffer containing don't care mask for entry
2406  * @data: pointer to a data buffer containing flow entry's match values/masks
2407  */
2408 static void
2409 ice_flow_acl_frmt_entry_fld(u16 fld, struct ice_flow_fld_info *info, u8 *buf,
2410                             u8 *dontcare, u8 *data)
2411 {
2412         u16 dst, src, mask, k, end_disp, tmp_s = 0, tmp_m = 0;
2413         bool use_mask = false;
2414         u8 disp;
2415
2416         src = info->src.val;
2417         mask = info->src.mask;
2418         dst = info->entry.val - ICE_AQC_ACL_PROF_BYTE_SEL_START_IDX;
2419         disp = info->xtrct.disp % BITS_PER_BYTE;
2420
2421         if (mask != ICE_FLOW_FLD_OFF_INVAL)
2422                 use_mask = true;
2423
2424         for (k = 0; k < info->entry.last; k++, dst++) {
2425                 /* Add overflow bits from previous byte */
2426                 buf[dst] = (tmp_s & 0xff00) >> 8;
2427
2428                 /* If mask is not valid, tmp_m is always zero, so just setting
2429                  * dontcare to 0 (no masked bits). If mask is valid, pulls in
2430                  * overflow bits of mask from prev byte
2431                  */
2432                 dontcare[dst] = (tmp_m & 0xff00) >> 8;
2433
2434                 /* If there is displacement, last byte will only contain
2435                  * displaced data, but there is no more data to read from user
2436                  * buffer, so skip so as not to potentially read beyond end of
2437                  * user buffer
2438                  */
2439                 if (!disp || k < info->entry.last - 1) {
2440                         /* Store shifted data to use in next byte */
2441                         tmp_s = data[src++] << disp;
2442
2443                         /* Add current (shifted) byte */
2444                         buf[dst] |= tmp_s & 0xff;
2445
2446                         /* Handle mask if valid */
2447                         if (use_mask) {
2448                                 tmp_m = (~data[mask++] & 0xff) << disp;
2449                                 dontcare[dst] |= tmp_m & 0xff;
2450                         }
2451                 }
2452         }
2453
2454         /* Fill in don't care bits at beginning of field */
2455         if (disp) {
2456                 dst = info->entry.val - ICE_AQC_ACL_PROF_BYTE_SEL_START_IDX;
2457                 for (k = 0; k < disp; k++)
2458                         dontcare[dst] |= BIT(k);
2459         }
2460
2461         end_disp = (disp + ice_flds_info[fld].size) % BITS_PER_BYTE;
2462
2463         /* Fill in don't care bits at end of field */
2464         if (end_disp) {
2465                 dst = info->entry.val - ICE_AQC_ACL_PROF_BYTE_SEL_START_IDX +
2466                       info->entry.last - 1;
2467                 for (k = end_disp; k < BITS_PER_BYTE; k++)
2468                         dontcare[dst] |= BIT(k);
2469         }
2470 }
2471
2472 /**
2473  * ice_flow_acl_frmt_entry - Format ACL entry
2474  * @hw: pointer to the hardware structure
2475  * @prof: pointer to flow profile
2476  * @e: pointer to the flow entry
2477  * @data: pointer to a data buffer containing flow entry's match values/masks
2478  * @acts: array of actions to be performed on a match
2479  * @acts_cnt: number of actions
2480  *
2481  * Formats the key (and key_inverse) to be matched from the data passed in,
2482  * along with data from the flow profile. This key/key_inverse pair makes up
2483  * the 'entry' for an ACL flow entry.
2484  */
2485 static enum ice_status
2486 ice_flow_acl_frmt_entry(struct ice_hw *hw, struct ice_flow_prof *prof,
2487                         struct ice_flow_entry *e, u8 *data,
2488                         struct ice_flow_action *acts, u8 acts_cnt)
2489 {
2490         u8 *buf = NULL, *dontcare = NULL, *key = NULL, range = 0, dir_flag_msk;
2491         struct ice_aqc_acl_profile_ranges *range_buf = NULL;
2492         enum ice_status status;
2493         bool cnt_alloc;
2494         u8 prof_id = 0;
2495         u16 i, buf_sz;
2496
2497         status = ice_flow_get_hw_prof(hw, ICE_BLK_ACL, prof->id, &prof_id);
2498         if (status)
2499                 return status;
2500
2501         /* Format the result action */
2502
2503         status = ice_flow_acl_check_actions(hw, acts, acts_cnt, &cnt_alloc);
2504         if (status)
2505                 return status;
2506
2507         status = ICE_ERR_NO_MEMORY;
2508
2509         e->acts = (struct ice_flow_action *)
2510                 ice_memdup(hw, acts, acts_cnt * sizeof(*acts),
2511                            ICE_NONDMA_TO_NONDMA);
2512
2513         if (!e->acts)
2514                 goto out;
2515
2516         e->acts_cnt = acts_cnt;
2517
2518         /* Format the matching data */
2519         buf_sz = prof->cfg.scen->width;
2520         buf = (u8 *)ice_malloc(hw, buf_sz);
2521         if (!buf)
2522                 goto out;
2523
2524         dontcare = (u8 *)ice_malloc(hw, buf_sz);
2525         if (!dontcare)
2526                 goto out;
2527
2528         /* 'key' buffer will store both key and key_inverse, so must be twice
2529          * size of buf
2530          */
2531         key = (u8 *)ice_malloc(hw, buf_sz * 2);
2532         if (!key)
2533                 goto out;
2534
2535         range_buf = (struct ice_aqc_acl_profile_ranges *)
2536                 ice_malloc(hw, sizeof(struct ice_aqc_acl_profile_ranges));
2537         if (!range_buf)
2538                 goto out;
2539
2540         /* Set don't care mask to all 1's to start, will zero out used bytes */
2541         ice_memset(dontcare, 0xff, buf_sz, ICE_NONDMA_MEM);
2542
2543         for (i = 0; i < prof->segs_cnt; i++) {
2544                 struct ice_flow_seg_info *seg = &prof->segs[i];
2545                 u64 match = seg->match;
2546                 u16 j;
2547
2548                 for (j = 0; j < ICE_FLOW_FIELD_IDX_MAX && match; j++) {
2549                         struct ice_flow_fld_info *info;
2550                         const u64 bit = BIT_ULL(j);
2551
2552                         if (!(match & bit))
2553                                 continue;
2554
2555                         info = &seg->fields[j];
2556
2557                         if (info->type == ICE_FLOW_FLD_TYPE_RANGE)
2558                                 ice_flow_acl_frmt_entry_range(j, info,
2559                                                               range_buf, data,
2560                                                               &range);
2561                         else
2562                                 ice_flow_acl_frmt_entry_fld(j, info, buf,
2563                                                             dontcare, data);
2564
2565                         match &= ~bit;
2566                 }
2567
2568                 for (j = 0; j < seg->raws_cnt; j++) {
2569                         struct ice_flow_fld_info *info = &seg->raws[j].info;
2570                         u16 dst, src, mask, k;
2571                         bool use_mask = false;
2572
2573                         src = info->src.val;
2574                         dst = info->entry.val -
2575                                         ICE_AQC_ACL_PROF_BYTE_SEL_START_IDX;
2576                         mask = info->src.mask;
2577
2578                         if (mask != ICE_FLOW_FLD_OFF_INVAL)
2579                                 use_mask = true;
2580
2581                         for (k = 0; k < info->entry.last; k++, dst++) {
2582                                 buf[dst] = data[src++];
2583                                 if (use_mask)
2584                                         dontcare[dst] = ~data[mask++];
2585                                 else
2586                                         dontcare[dst] = 0;
2587                         }
2588                 }
2589         }
2590
2591         buf[prof->cfg.scen->pid_idx] = (u8)prof_id;
2592         dontcare[prof->cfg.scen->pid_idx] = 0;
2593
2594         /* Format the buffer for direction flags */
2595         dir_flag_msk = BIT(ICE_FLG_PKT_DIR);
2596
2597         if (prof->dir == ICE_FLOW_RX)
2598                 buf[prof->cfg.scen->pkt_dir_idx] = dir_flag_msk;
2599
2600         if (range) {
2601                 buf[prof->cfg.scen->rng_chk_idx] = range;
2602                 /* Mark any unused range checkers as don't care */
2603                 dontcare[prof->cfg.scen->rng_chk_idx] = ~range;
2604                 e->range_buf = range_buf;
2605         } else {
2606                 ice_free(hw, range_buf);
2607         }
2608
2609         status = ice_set_key(key, buf_sz * 2, buf, NULL, dontcare, NULL, 0,
2610                              buf_sz);
2611         if (status)
2612                 goto out;
2613
2614         e->entry = key;
2615         e->entry_sz = buf_sz * 2;
2616
2617 out:
2618         if (buf)
2619                 ice_free(hw, buf);
2620
2621         if (dontcare)
2622                 ice_free(hw, dontcare);
2623
2624         if (status && key)
2625                 ice_free(hw, key);
2626
2627         if (status && range_buf) {
2628                 ice_free(hw, range_buf);
2629                 e->range_buf = NULL;
2630         }
2631
2632         if (status && e->acts) {
2633                 ice_free(hw, e->acts);
2634                 e->acts = NULL;
2635                 e->acts_cnt = 0;
2636         }
2637
2638         if (status && cnt_alloc)
2639                 ice_flow_acl_free_act_cntr(hw, acts, acts_cnt);
2640
2641         return status;
2642 }
2643
2644 /**
2645  * ice_flow_acl_find_scen_entry_cond - Find an ACL scenario entry that matches
2646  *                                     the compared data.
2647  * @prof: pointer to flow profile
2648  * @e: pointer to the comparing flow entry
2649  * @do_chg_action: decide if we want to change the ACL action
2650  * @do_add_entry: decide if we want to add the new ACL entry
2651  * @do_rem_entry: decide if we want to remove the current ACL entry
2652  *
2653  * Find an ACL scenario entry that matches the compared data. In the same time,
2654  * this function also figure out:
2655  * a/ If we want to change the ACL action
2656  * b/ If we want to add the new ACL entry
2657  * c/ If we want to remove the current ACL entry
2658  */
2659 static struct ice_flow_entry *
2660 ice_flow_acl_find_scen_entry_cond(struct ice_flow_prof *prof,
2661                                   struct ice_flow_entry *e, bool *do_chg_action,
2662                                   bool *do_add_entry, bool *do_rem_entry)
2663 {
2664         struct ice_flow_entry *p, *return_entry = NULL;
2665         u8 i, j;
2666
2667         /* Check if:
2668          * a/ There exists an entry with same matching data, but different
2669          *    priority, then we remove this existing ACL entry. Then, we
2670          *    will add the new entry to the ACL scenario.
2671          * b/ There exists an entry with same matching data, priority, and
2672          *    result action, then we do nothing
2673          * c/ There exists an entry with same matching data, priority, but
2674          *    different, action, then do only change the action's entry.
2675          * d/ Else, we add this new entry to the ACL scenario.
2676          */
2677         *do_chg_action = false;
2678         *do_add_entry = true;
2679         *do_rem_entry = false;
2680         LIST_FOR_EACH_ENTRY(p, &prof->entries, ice_flow_entry, l_entry) {
2681                 if (memcmp(p->entry, e->entry, p->entry_sz))
2682                         continue;
2683
2684                 /* From this point, we have the same matching_data. */
2685                 *do_add_entry = false;
2686                 return_entry = p;
2687
2688                 if (p->priority != e->priority) {
2689                         /* matching data && !priority */
2690                         *do_add_entry = true;
2691                         *do_rem_entry = true;
2692                         break;
2693                 }
2694
2695                 /* From this point, we will have matching_data && priority */
2696                 if (p->acts_cnt != e->acts_cnt)
2697                         *do_chg_action = true;
2698                 for (i = 0; i < p->acts_cnt; i++) {
2699                         bool found_not_match = false;
2700
2701                         for (j = 0; j < e->acts_cnt; j++)
2702                                 if (memcmp(&p->acts[i], &e->acts[j],
2703                                            sizeof(struct ice_flow_action))) {
2704                                         found_not_match = true;
2705                                         break;
2706                                 }
2707
2708                         if (found_not_match) {
2709                                 *do_chg_action = true;
2710                                 break;
2711                         }
2712                 }
2713
2714                 /* (do_chg_action = true) means :
2715                  *    matching_data && priority && !result_action
2716                  * (do_chg_action = false) means :
2717                  *    matching_data && priority && result_action
2718                  */
2719                 break;
2720         }
2721
2722         return return_entry;
2723 }
2724
2725 /**
2726  * ice_flow_acl_convert_to_acl_prior - Convert to ACL priority
2727  * @p: flow priority
2728  */
2729 static enum ice_acl_entry_prior
2730 ice_flow_acl_convert_to_acl_prior(enum ice_flow_priority p)
2731 {
2732         enum ice_acl_entry_prior acl_prior;
2733
2734         switch (p) {
2735         case ICE_FLOW_PRIO_LOW:
2736                 acl_prior = ICE_LOW;
2737                 break;
2738         case ICE_FLOW_PRIO_NORMAL:
2739                 acl_prior = ICE_NORMAL;
2740                 break;
2741         case ICE_FLOW_PRIO_HIGH:
2742                 acl_prior = ICE_HIGH;
2743                 break;
2744         default:
2745                 acl_prior = ICE_NORMAL;
2746                 break;
2747         }
2748
2749         return acl_prior;
2750 }
2751
2752 /**
2753  * ice_flow_acl_union_rng_chk - Perform union operation between two
2754  *                              range-range checker buffers
2755  * @dst_buf: pointer to destination range checker buffer
2756  * @src_buf: pointer to source range checker buffer
2757  *
2758  * For this function, we do the union between dst_buf and src_buf
2759  * range checker buffer, and we will save the result back to dst_buf
2760  */
2761 static enum ice_status
2762 ice_flow_acl_union_rng_chk(struct ice_aqc_acl_profile_ranges *dst_buf,
2763                            struct ice_aqc_acl_profile_ranges *src_buf)
2764 {
2765         u8 i, j;
2766
2767         if (!dst_buf || !src_buf)
2768                 return ICE_ERR_BAD_PTR;
2769
2770         for (i = 0; i < ICE_AQC_ACL_PROF_RANGES_NUM_CFG; i++) {
2771                 struct ice_acl_rng_data *cfg_data = NULL, *in_data;
2772                 bool will_populate = false;
2773
2774                 in_data = &src_buf->checker_cfg[i];
2775
2776                 if (!in_data->mask)
2777                         break;
2778
2779                 for (j = 0; j < ICE_AQC_ACL_PROF_RANGES_NUM_CFG; j++) {
2780                         cfg_data = &dst_buf->checker_cfg[j];
2781
2782                         if (!cfg_data->mask ||
2783                             !memcmp(cfg_data, in_data,
2784                                     sizeof(struct ice_acl_rng_data))) {
2785                                 will_populate = true;
2786                                 break;
2787                         }
2788                 }
2789
2790                 if (will_populate) {
2791                         ice_memcpy(cfg_data, in_data,
2792                                    sizeof(struct ice_acl_rng_data),
2793                                    ICE_NONDMA_TO_NONDMA);
2794                 } else {
2795                         /* No available slot left to program range checker */
2796                         return ICE_ERR_MAX_LIMIT;
2797                 }
2798         }
2799
2800         return ICE_SUCCESS;
2801 }
2802
2803 /**
2804  * ice_flow_acl_add_scen_entry_sync - Add entry to ACL scenario sync
2805  * @hw: pointer to the hardware structure
2806  * @prof: pointer to flow profile
2807  * @entry: double pointer to the flow entry
2808  *
2809  * For this function, we will look at the current added entries in the
2810  * corresponding ACL scenario. Then, we will perform matching logic to
2811  * see if we want to add/modify/do nothing with this new entry.
2812  */
2813 static enum ice_status
2814 ice_flow_acl_add_scen_entry_sync(struct ice_hw *hw, struct ice_flow_prof *prof,
2815                                  struct ice_flow_entry **entry)
2816 {
2817         bool do_add_entry, do_rem_entry, do_chg_action, do_chg_rng_chk;
2818         struct ice_aqc_acl_profile_ranges query_rng_buf, cfg_rng_buf;
2819         struct ice_acl_act_entry *acts = NULL;
2820         struct ice_flow_entry *exist;
2821         enum ice_status status = ICE_SUCCESS;
2822         struct ice_flow_entry *e;
2823         u8 i;
2824
2825         if (!entry || !(*entry) || !prof)
2826                 return ICE_ERR_BAD_PTR;
2827
2828         e = *(entry);
2829
2830         do_chg_rng_chk = false;
2831         if (e->range_buf) {
2832                 u8 prof_id = 0;
2833
2834                 status = ice_flow_get_hw_prof(hw, ICE_BLK_ACL, prof->id,
2835                                               &prof_id);
2836                 if (status)
2837                         return status;
2838
2839                 /* Query the current range-checker value in FW */
2840                 status = ice_query_acl_prof_ranges(hw, prof_id, &query_rng_buf,
2841                                                    NULL);
2842                 if (status)
2843                         return status;
2844                 ice_memcpy(&cfg_rng_buf, &query_rng_buf,
2845                            sizeof(struct ice_aqc_acl_profile_ranges),
2846                            ICE_NONDMA_TO_NONDMA);
2847
2848                 /* Generate the new range-checker value */
2849                 status = ice_flow_acl_union_rng_chk(&cfg_rng_buf, e->range_buf);
2850                 if (status)
2851                         return status;
2852
2853                 /* Reconfigure the range check if the buffer is changed. */
2854                 do_chg_rng_chk = false;
2855                 if (memcmp(&query_rng_buf, &cfg_rng_buf,
2856                            sizeof(struct ice_aqc_acl_profile_ranges))) {
2857                         status = ice_prog_acl_prof_ranges(hw, prof_id,
2858                                                           &cfg_rng_buf, NULL);
2859                         if (status)
2860                                 return status;
2861
2862                         do_chg_rng_chk = true;
2863                 }
2864         }
2865
2866         /* Figure out if we want to (change the ACL action) and/or
2867          * (Add the new ACL entry) and/or (Remove the current ACL entry)
2868          */
2869         exist = ice_flow_acl_find_scen_entry_cond(prof, e, &do_chg_action,
2870                                                   &do_add_entry, &do_rem_entry);
2871
2872         if (do_rem_entry) {
2873                 status = ice_flow_rem_entry_sync(hw, ICE_BLK_ACL, exist);
2874                 if (status)
2875                         return status;
2876         }
2877
2878         /* Prepare the result action buffer */
2879         acts = (struct ice_acl_act_entry *)ice_calloc
2880                 (hw, e->entry_sz, sizeof(struct ice_acl_act_entry));
2881         for (i = 0; i < e->acts_cnt; i++)
2882                 ice_memcpy(&acts[i], &e->acts[i].data.acl_act,
2883                            sizeof(struct ice_acl_act_entry),
2884                            ICE_NONDMA_TO_NONDMA);
2885
2886         if (do_add_entry) {
2887                 enum ice_acl_entry_prior prior;
2888                 u8 *keys, *inverts;
2889                 u16 entry_idx;
2890
2891                 keys = (u8 *)e->entry;
2892                 inverts = keys + (e->entry_sz / 2);
2893                 prior = ice_flow_acl_convert_to_acl_prior(e->priority);
2894
2895                 status = ice_acl_add_entry(hw, prof->cfg.scen, prior, keys,
2896                                            inverts, acts, e->acts_cnt,
2897                                            &entry_idx);
2898                 if (status)
2899                         goto out;
2900
2901                 e->scen_entry_idx = entry_idx;
2902                 LIST_ADD(&e->l_entry, &prof->entries);
2903         } else {
2904                 if (do_chg_action) {
2905                         /* For the action memory info, update the SW's copy of
2906                          * exist entry with e's action memory info
2907                          */
2908                         ice_free(hw, exist->acts);
2909                         exist->acts_cnt = e->acts_cnt;
2910                         exist->acts = (struct ice_flow_action *)
2911                                 ice_calloc(hw, exist->acts_cnt,
2912                                            sizeof(struct ice_flow_action));
2913
2914                         if (!exist->acts) {
2915                                 status = ICE_ERR_NO_MEMORY;
2916                                 goto out;
2917                         }
2918
2919                         ice_memcpy(exist->acts, e->acts,
2920                                    sizeof(struct ice_flow_action) * e->acts_cnt,
2921                                    ICE_NONDMA_TO_NONDMA);
2922
2923                         status = ice_acl_prog_act(hw, prof->cfg.scen, acts,
2924                                                   e->acts_cnt,
2925                                                   exist->scen_entry_idx);
2926                         if (status)
2927                                 goto out;
2928                 }
2929
2930                 if (do_chg_rng_chk) {
2931                         /* In this case, we want to update the range checker
2932                          * information of the exist entry
2933                          */
2934                         status = ice_flow_acl_union_rng_chk(exist->range_buf,
2935                                                             e->range_buf);
2936                         if (status)
2937                                 goto out;
2938                 }
2939
2940                 /* As we don't add the new entry to our SW DB, deallocate its
2941                  * memories, and return the exist entry to the caller
2942                  */
2943                 ice_dealloc_flow_entry(hw, e);
2944                 *(entry) = exist;
2945         }
2946 out:
2947         if (acts)
2948                 ice_free(hw, acts);
2949
2950         return status;
2951 }
2952
2953 /**
2954  * ice_flow_acl_add_scen_entry - Add entry to ACL scenario
2955  * @hw: pointer to the hardware structure
2956  * @prof: pointer to flow profile
2957  * @e: double pointer to the flow entry
2958  */
2959 static enum ice_status
2960 ice_flow_acl_add_scen_entry(struct ice_hw *hw, struct ice_flow_prof *prof,
2961                             struct ice_flow_entry **e)
2962 {
2963         enum ice_status status;
2964
2965         ice_acquire_lock(&prof->entries_lock);
2966         status = ice_flow_acl_add_scen_entry_sync(hw, prof, e);
2967         ice_release_lock(&prof->entries_lock);
2968
2969         return status;
2970 }
2971
2972 /**
2973  * ice_flow_add_entry - Add a flow entry
2974  * @hw: pointer to the HW struct
2975  * @blk: classification stage
2976  * @prof_id: ID of the profile to add a new flow entry to
2977  * @entry_id: unique ID to identify this flow entry
2978  * @vsi_handle: software VSI handle for the flow entry
2979  * @prio: priority of the flow entry
2980  * @data: pointer to a data buffer containing flow entry's match values/masks
2981  * @acts: arrays of actions to be performed on a match
2982  * @acts_cnt: number of actions
2983  * @entry_h: pointer to buffer that receives the new flow entry's handle
2984  */
2985 enum ice_status
2986 ice_flow_add_entry(struct ice_hw *hw, enum ice_block blk, u64 prof_id,
2987                    u64 entry_id, u16 vsi_handle, enum ice_flow_priority prio,
2988                    void *data, struct ice_flow_action *acts, u8 acts_cnt,
2989                    u64 *entry_h)
2990 {
2991         struct ice_flow_entry *e = NULL;
2992         struct ice_flow_prof *prof;
2993         enum ice_status status = ICE_SUCCESS;
2994
2995         /* ACL entries must indicate an action */
2996         if (blk == ICE_BLK_ACL && (!acts || !acts_cnt))
2997                 return ICE_ERR_PARAM;
2998
2999         /* No flow entry data is expected for RSS */
3000         if (!entry_h || (!data && blk != ICE_BLK_RSS))
3001                 return ICE_ERR_BAD_PTR;
3002
3003         if (!ice_is_vsi_valid(hw, vsi_handle))
3004                 return ICE_ERR_PARAM;
3005
3006         ice_acquire_lock(&hw->fl_profs_locks[blk]);
3007
3008         prof = ice_flow_find_prof_id(hw, blk, prof_id);
3009         if (!prof) {
3010                 status = ICE_ERR_DOES_NOT_EXIST;
3011         } else {
3012                 /* Allocate memory for the entry being added and associate
3013                  * the VSI to the found flow profile
3014                  */
3015                 e = (struct ice_flow_entry *)ice_malloc(hw, sizeof(*e));
3016                 if (!e)
3017                         status = ICE_ERR_NO_MEMORY;
3018                 else
3019                         status = ice_flow_assoc_prof(hw, blk, prof, vsi_handle);
3020         }
3021
3022         ice_release_lock(&hw->fl_profs_locks[blk]);
3023         if (status)
3024                 goto out;
3025
3026         e->id = entry_id;
3027         e->vsi_handle = vsi_handle;
3028         e->prof = prof;
3029         e->priority = prio;
3030
3031         switch (blk) {
3032         case ICE_BLK_FD:
3033         case ICE_BLK_RSS:
3034                 break;
3035         case ICE_BLK_ACL:
3036                 /* ACL will handle the entry management */
3037                 status = ice_flow_acl_frmt_entry(hw, prof, e, (u8 *)data, acts,
3038                                                  acts_cnt);
3039                 if (status)
3040                         goto out;
3041
3042                 status = ice_flow_acl_add_scen_entry(hw, prof, &e);
3043                 if (status)
3044                         goto out;
3045
3046                 break;
3047         default:
3048                 status = ICE_ERR_NOT_IMPL;
3049                 goto out;
3050         }
3051
3052         if (blk != ICE_BLK_ACL) {
3053                 /* ACL will handle the entry management */
3054                 ice_acquire_lock(&prof->entries_lock);
3055                 LIST_ADD(&e->l_entry, &prof->entries);
3056                 ice_release_lock(&prof->entries_lock);
3057         }
3058
3059         *entry_h = ICE_FLOW_ENTRY_HNDL(e);
3060
3061 out:
3062         if (status && e) {
3063                 if (e->entry)
3064                         ice_free(hw, e->entry);
3065                 ice_free(hw, e);
3066         }
3067
3068         return status;
3069 }
3070
3071 /**
3072  * ice_flow_rem_entry - Remove a flow entry
3073  * @hw: pointer to the HW struct
3074  * @blk: classification stage
3075  * @entry_h: handle to the flow entry to be removed
3076  */
3077 enum ice_status ice_flow_rem_entry(struct ice_hw *hw, enum ice_block blk,
3078                                    u64 entry_h)
3079 {
3080         struct ice_flow_entry *entry;
3081         struct ice_flow_prof *prof;
3082         enum ice_status status = ICE_SUCCESS;
3083
3084         if (entry_h == ICE_FLOW_ENTRY_HANDLE_INVAL)
3085                 return ICE_ERR_PARAM;
3086
3087         entry = ICE_FLOW_ENTRY_PTR((unsigned long)entry_h);
3088
3089         /* Retain the pointer to the flow profile as the entry will be freed */
3090         prof = entry->prof;
3091
3092         if (prof) {
3093                 ice_acquire_lock(&prof->entries_lock);
3094                 status = ice_flow_rem_entry_sync(hw, blk, entry);
3095                 ice_release_lock(&prof->entries_lock);
3096         }
3097
3098         return status;
3099 }
3100
3101 /**
3102  * ice_flow_set_fld_ext - specifies locations of field from entry's input buffer
3103  * @seg: packet segment the field being set belongs to
3104  * @fld: field to be set
3105  * @field_type: type of the field
3106  * @val_loc: if not ICE_FLOW_FLD_OFF_INVAL, location of the value to match from
3107  *           entry's input buffer
3108  * @mask_loc: if not ICE_FLOW_FLD_OFF_INVAL, location of mask value from entry's
3109  *            input buffer
3110  * @last_loc: if not ICE_FLOW_FLD_OFF_INVAL, location of last/upper value from
3111  *            entry's input buffer
3112  *
3113  * This helper function stores information of a field being matched, including
3114  * the type of the field and the locations of the value to match, the mask, and
3115  * and the upper-bound value in the start of the input buffer for a flow entry.
3116  * This function should only be used for fixed-size data structures.
3117  *
3118  * This function also opportunistically determines the protocol headers to be
3119  * present based on the fields being set. Some fields cannot be used alone to
3120  * determine the protocol headers present. Sometimes, fields for particular
3121  * protocol headers are not matched. In those cases, the protocol headers
3122  * must be explicitly set.
3123  */
3124 static void
3125 ice_flow_set_fld_ext(struct ice_flow_seg_info *seg, enum ice_flow_field fld,
3126                      enum ice_flow_fld_match_type field_type, u16 val_loc,
3127                      u16 mask_loc, u16 last_loc)
3128 {
3129         u64 bit = BIT_ULL(fld);
3130
3131         seg->match |= bit;
3132         if (field_type == ICE_FLOW_FLD_TYPE_RANGE)
3133                 seg->range |= bit;
3134
3135         seg->fields[fld].type = field_type;
3136         seg->fields[fld].src.val = val_loc;
3137         seg->fields[fld].src.mask = mask_loc;
3138         seg->fields[fld].src.last = last_loc;
3139
3140         ICE_FLOW_SET_HDRS(seg, ice_flds_info[fld].hdr);
3141 }
3142
3143 /**
3144  * ice_flow_set_fld - specifies locations of field from entry's input buffer
3145  * @seg: packet segment the field being set belongs to
3146  * @fld: field to be set
3147  * @val_loc: if not ICE_FLOW_FLD_OFF_INVAL, location of the value to match from
3148  *           entry's input buffer
3149  * @mask_loc: if not ICE_FLOW_FLD_OFF_INVAL, location of mask value from entry's
3150  *            input buffer
3151  * @last_loc: if not ICE_FLOW_FLD_OFF_INVAL, location of last/upper value from
3152  *            entry's input buffer
3153  * @range: indicate if field being matched is to be in a range
3154  *
3155  * This function specifies the locations, in the form of byte offsets from the
3156  * start of the input buffer for a flow entry, from where the value to match,
3157  * the mask value, and upper value can be extracted. These locations are then
3158  * stored in the flow profile. When adding a flow entry associated with the
3159  * flow profile, these locations will be used to quickly extract the values and
3160  * create the content of a match entry. This function should only be used for
3161  * fixed-size data structures.
3162  */
3163 void
3164 ice_flow_set_fld(struct ice_flow_seg_info *seg, enum ice_flow_field fld,
3165                  u16 val_loc, u16 mask_loc, u16 last_loc, bool range)
3166 {
3167         enum ice_flow_fld_match_type t = range ?
3168                 ICE_FLOW_FLD_TYPE_RANGE : ICE_FLOW_FLD_TYPE_REG;
3169
3170         ice_flow_set_fld_ext(seg, fld, t, val_loc, mask_loc, last_loc);
3171 }
3172
3173 /**
3174  * ice_flow_set_fld_prefix - sets locations of prefix field from entry's buf
3175  * @seg: packet segment the field being set belongs to
3176  * @fld: field to be set
3177  * @val_loc: if not ICE_FLOW_FLD_OFF_INVAL, location of the value to match from
3178  *           entry's input buffer
3179  * @pref_loc: location of prefix value from entry's input buffer
3180  * @pref_sz: size of the location holding the prefix value
3181  *
3182  * This function specifies the locations, in the form of byte offsets from the
3183  * start of the input buffer for a flow entry, from where the value to match
3184  * and the IPv4 prefix value can be extracted. These locations are then stored
3185  * in the flow profile. When adding flow entries to the associated flow profile,
3186  * these locations can be used to quickly extract the values to create the
3187  * content of a match entry. This function should only be used for fixed-size
3188  * data structures.
3189  */
3190 void
3191 ice_flow_set_fld_prefix(struct ice_flow_seg_info *seg, enum ice_flow_field fld,
3192                         u16 val_loc, u16 pref_loc, u8 pref_sz)
3193 {
3194         /* For this type of field, the "mask" location is for the prefix value's
3195          * location and the "last" location is for the size of the location of
3196          * the prefix value.
3197          */
3198         ice_flow_set_fld_ext(seg, fld, ICE_FLOW_FLD_TYPE_PREFIX, val_loc,
3199                              pref_loc, (u16)pref_sz);
3200 }
3201
3202 /**
3203  * ice_flow_add_fld_raw - sets locations of a raw field from entry's input buf
3204  * @seg: packet segment the field being set belongs to
3205  * @off: offset of the raw field from the beginning of the segment in bytes
3206  * @len: length of the raw pattern to be matched
3207  * @val_loc: location of the value to match from entry's input buffer
3208  * @mask_loc: location of mask value from entry's input buffer
3209  *
3210  * This function specifies the offset of the raw field to be match from the
3211  * beginning of the specified packet segment, and the locations, in the form of
3212  * byte offsets from the start of the input buffer for a flow entry, from where
3213  * the value to match and the mask value to be extracted. These locations are
3214  * then stored in the flow profile. When adding flow entries to the associated
3215  * flow profile, these locations can be used to quickly extract the values to
3216  * create the content of a match entry. This function should only be used for
3217  * fixed-size data structures.
3218  */
3219 void
3220 ice_flow_add_fld_raw(struct ice_flow_seg_info *seg, u16 off, u8 len,
3221                      u16 val_loc, u16 mask_loc)
3222 {
3223         if (seg->raws_cnt < ICE_FLOW_SEG_RAW_FLD_MAX) {
3224                 seg->raws[seg->raws_cnt].off = off;
3225                 seg->raws[seg->raws_cnt].info.type = ICE_FLOW_FLD_TYPE_SIZE;
3226                 seg->raws[seg->raws_cnt].info.src.val = val_loc;
3227                 seg->raws[seg->raws_cnt].info.src.mask = mask_loc;
3228                 /* The "last" field is used to store the length of the field */
3229                 seg->raws[seg->raws_cnt].info.src.last = len;
3230         }
3231
3232         /* Overflows of "raws" will be handled as an error condition later in
3233          * the flow when this information is processed.
3234          */
3235         seg->raws_cnt++;
3236 }
3237
3238 #define ICE_FLOW_RSS_SEG_HDR_L2_MASKS \
3239 (ICE_FLOW_SEG_HDR_ETH | ICE_FLOW_SEG_HDR_VLAN)
3240
3241 #define ICE_FLOW_RSS_SEG_HDR_L3_MASKS \
3242         (ICE_FLOW_SEG_HDR_IPV4 | ICE_FLOW_SEG_HDR_IPV6)
3243
3244 #define ICE_FLOW_RSS_SEG_HDR_L4_MASKS \
3245         (ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_UDP | \
3246          ICE_FLOW_SEG_HDR_SCTP)
3247
3248 #define ICE_FLOW_RSS_SEG_HDR_VAL_MASKS \
3249         (ICE_FLOW_RSS_SEG_HDR_L2_MASKS | \
3250          ICE_FLOW_RSS_SEG_HDR_L3_MASKS | \
3251          ICE_FLOW_RSS_SEG_HDR_L4_MASKS)
3252
3253 /**
3254  * ice_flow_set_rss_seg_info - setup packet segments for RSS
3255  * @segs: pointer to the flow field segment(s)
3256  * @hash_fields: fields to be hashed on for the segment(s)
3257  * @flow_hdr: protocol header fields within a packet segment
3258  *
3259  * Helper function to extract fields from hash bitmap and use flow
3260  * header value to set flow field segment for further use in flow
3261  * profile entry or removal.
3262  */
3263 static enum ice_status
3264 ice_flow_set_rss_seg_info(struct ice_flow_seg_info *segs, u64 hash_fields,
3265                           u32 flow_hdr)
3266 {
3267         u64 val = hash_fields;
3268         u8 i;
3269
3270         for (i = 0; val && i < ICE_FLOW_FIELD_IDX_MAX; i++) {
3271                 u64 bit = BIT_ULL(i);
3272
3273                 if (val & bit) {
3274                         ice_flow_set_fld(segs, (enum ice_flow_field)i,
3275                                          ICE_FLOW_FLD_OFF_INVAL,
3276                                          ICE_FLOW_FLD_OFF_INVAL,
3277                                          ICE_FLOW_FLD_OFF_INVAL, false);
3278                         val &= ~bit;
3279                 }
3280         }
3281         ICE_FLOW_SET_HDRS(segs, flow_hdr);
3282
3283         if (segs->hdrs & ~ICE_FLOW_RSS_SEG_HDR_VAL_MASKS &
3284             ~ICE_FLOW_RSS_HDRS_INNER_MASK & ~ICE_FLOW_SEG_HDR_IPV_OTHER)
3285                 return ICE_ERR_PARAM;
3286
3287         val = (u64)(segs->hdrs & ICE_FLOW_RSS_SEG_HDR_L3_MASKS);
3288         if (val && !ice_is_pow2(val))
3289                 return ICE_ERR_CFG;
3290
3291         val = (u64)(segs->hdrs & ICE_FLOW_RSS_SEG_HDR_L4_MASKS);
3292         if (val && !ice_is_pow2(val))
3293                 return ICE_ERR_CFG;
3294
3295         return ICE_SUCCESS;
3296 }
3297
3298 /**
3299  * ice_rem_vsi_rss_list - remove VSI from RSS list
3300  * @hw: pointer to the hardware structure
3301  * @vsi_handle: software VSI handle
3302  *
3303  * Remove the VSI from all RSS configurations in the list.
3304  */
3305 void ice_rem_vsi_rss_list(struct ice_hw *hw, u16 vsi_handle)
3306 {
3307         struct ice_rss_cfg *r, *tmp;
3308
3309         if (LIST_EMPTY(&hw->rss_list_head))
3310                 return;
3311
3312         ice_acquire_lock(&hw->rss_locks);
3313         LIST_FOR_EACH_ENTRY_SAFE(r, tmp, &hw->rss_list_head,
3314                                  ice_rss_cfg, l_entry)
3315                 if (ice_test_and_clear_bit(vsi_handle, r->vsis))
3316                         if (!ice_is_any_bit_set(r->vsis, ICE_MAX_VSI)) {
3317                                 LIST_DEL(&r->l_entry);
3318                                 ice_free(hw, r);
3319                         }
3320         ice_release_lock(&hw->rss_locks);
3321 }
3322
3323 /**
3324  * ice_rem_vsi_rss_cfg - remove RSS configurations associated with VSI
3325  * @hw: pointer to the hardware structure
3326  * @vsi_handle: software VSI handle
3327  *
3328  * This function will iterate through all flow profiles and disassociate
3329  * the VSI from that profile. If the flow profile has no VSIs it will
3330  * be removed.
3331  */
3332 enum ice_status ice_rem_vsi_rss_cfg(struct ice_hw *hw, u16 vsi_handle)
3333 {
3334         const enum ice_block blk = ICE_BLK_RSS;
3335         struct ice_flow_prof *p, *t;
3336         enum ice_status status = ICE_SUCCESS;
3337
3338         if (!ice_is_vsi_valid(hw, vsi_handle))
3339                 return ICE_ERR_PARAM;
3340
3341         if (LIST_EMPTY(&hw->fl_profs[blk]))
3342                 return ICE_SUCCESS;
3343
3344         ice_acquire_lock(&hw->rss_locks);
3345         LIST_FOR_EACH_ENTRY_SAFE(p, t, &hw->fl_profs[blk], ice_flow_prof,
3346                                  l_entry)
3347                 if (ice_is_bit_set(p->vsis, vsi_handle)) {
3348                         status = ice_flow_disassoc_prof(hw, blk, p, vsi_handle);
3349                         if (status)
3350                                 break;
3351
3352                         if (!ice_is_any_bit_set(p->vsis, ICE_MAX_VSI)) {
3353                                 status = ice_flow_rem_prof(hw, blk, p->id);
3354                                 if (status)
3355                                         break;
3356                         }
3357                 }
3358         ice_release_lock(&hw->rss_locks);
3359
3360         return status;
3361 }
3362
3363 /**
3364  * ice_rem_rss_list - remove RSS configuration from list
3365  * @hw: pointer to the hardware structure
3366  * @vsi_handle: software VSI handle
3367  * @prof: pointer to flow profile
3368  *
3369  * Assumption: lock has already been acquired for RSS list
3370  */
3371 static void
3372 ice_rem_rss_list(struct ice_hw *hw, u16 vsi_handle, struct ice_flow_prof *prof)
3373 {
3374         struct ice_rss_cfg *r, *tmp;
3375
3376         /* Search for RSS hash fields associated to the VSI that match the
3377          * hash configurations associated to the flow profile. If found
3378          * remove from the RSS entry list of the VSI context and delete entry.
3379          */
3380         LIST_FOR_EACH_ENTRY_SAFE(r, tmp, &hw->rss_list_head,
3381                                  ice_rss_cfg, l_entry)
3382                 if (r->hashed_flds == prof->segs[prof->segs_cnt - 1].match &&
3383                     r->packet_hdr == prof->segs[prof->segs_cnt - 1].hdrs) {
3384                         ice_clear_bit(vsi_handle, r->vsis);
3385                         if (!ice_is_any_bit_set(r->vsis, ICE_MAX_VSI)) {
3386                                 LIST_DEL(&r->l_entry);
3387                                 ice_free(hw, r);
3388                         }
3389                         return;
3390                 }
3391 }
3392
3393 /**
3394  * ice_add_rss_list - add RSS configuration to list
3395  * @hw: pointer to the hardware structure
3396  * @vsi_handle: software VSI handle
3397  * @prof: pointer to flow profile
3398  *
3399  * Assumption: lock has already been acquired for RSS list
3400  */
3401 static enum ice_status
3402 ice_add_rss_list(struct ice_hw *hw, u16 vsi_handle, struct ice_flow_prof *prof)
3403 {
3404         struct ice_rss_cfg *r, *rss_cfg;
3405
3406         LIST_FOR_EACH_ENTRY(r, &hw->rss_list_head,
3407                             ice_rss_cfg, l_entry)
3408                 if (r->hashed_flds == prof->segs[prof->segs_cnt - 1].match &&
3409                     r->packet_hdr == prof->segs[prof->segs_cnt - 1].hdrs) {
3410                         ice_set_bit(vsi_handle, r->vsis);
3411                         return ICE_SUCCESS;
3412                 }
3413
3414         rss_cfg = (struct ice_rss_cfg *)ice_malloc(hw, sizeof(*rss_cfg));
3415         if (!rss_cfg)
3416                 return ICE_ERR_NO_MEMORY;
3417
3418         rss_cfg->hashed_flds = prof->segs[prof->segs_cnt - 1].match;
3419         rss_cfg->packet_hdr = prof->segs[prof->segs_cnt - 1].hdrs;
3420         rss_cfg->symm = prof->cfg.symm;
3421         ice_set_bit(vsi_handle, rss_cfg->vsis);
3422
3423         LIST_ADD_TAIL(&rss_cfg->l_entry, &hw->rss_list_head);
3424
3425         return ICE_SUCCESS;
3426 }
3427
3428 #define ICE_FLOW_PROF_HASH_S    0
3429 #define ICE_FLOW_PROF_HASH_M    (0xFFFFFFFFULL << ICE_FLOW_PROF_HASH_S)
3430 #define ICE_FLOW_PROF_HDR_S     32
3431 #define ICE_FLOW_PROF_HDR_M     (0x3FFFFFFFULL << ICE_FLOW_PROF_HDR_S)
3432 #define ICE_FLOW_PROF_ENCAP_S   63
3433 #define ICE_FLOW_PROF_ENCAP_M   (BIT_ULL(ICE_FLOW_PROF_ENCAP_S))
3434
3435 #define ICE_RSS_OUTER_HEADERS   1
3436 #define ICE_RSS_INNER_HEADERS   2
3437
3438 /* Flow profile ID format:
3439  * [0:31] - Packet match fields
3440  * [32:62] - Protocol header
3441  * [63] - Encapsulation flag, 0 if non-tunneled, 1 if tunneled
3442  */
3443 #define ICE_FLOW_GEN_PROFID(hash, hdr, segs_cnt) \
3444         (u64)(((u64)(hash) & ICE_FLOW_PROF_HASH_M) | \
3445               (((u64)(hdr) << ICE_FLOW_PROF_HDR_S) & ICE_FLOW_PROF_HDR_M) | \
3446               ((u8)((segs_cnt) - 1) ? ICE_FLOW_PROF_ENCAP_M : 0))
3447
3448 static void
3449 ice_rss_config_xor_word(struct ice_hw *hw, u8 prof_id, u8 src, u8 dst)
3450 {
3451         u32 s = ((src % 4) << 3); /* byte shift */
3452         u32 v = dst | 0x80; /* value to program */
3453         u8 i = src / 4; /* register index */
3454         u32 reg;
3455
3456         reg = rd32(hw, GLQF_HSYMM(prof_id, i));
3457         reg = (reg & ~(0xff << s)) | (v << s);
3458         wr32(hw, GLQF_HSYMM(prof_id, i), reg);
3459 }
3460
3461 static void
3462 ice_rss_config_xor(struct ice_hw *hw, u8 prof_id, u8 src, u8 dst, u8 len)
3463 {
3464         int fv_last_word =
3465                 ICE_FLOW_SW_FIELD_VECTOR_MAX / ICE_FLOW_FV_EXTRACT_SZ - 1;
3466         int i;
3467
3468         for (i = 0; i < len; i++) {
3469                 ice_rss_config_xor_word(hw, prof_id,
3470                                         /* Yes, field vector in GLQF_HSYMM and
3471                                          * GLQF_HINSET is inversed!
3472                                          */
3473                                         fv_last_word - (src + i),
3474                                         fv_last_word - (dst + i));
3475                 ice_rss_config_xor_word(hw, prof_id,
3476                                         fv_last_word - (dst + i),
3477                                         fv_last_word - (src + i));
3478         }
3479 }
3480
3481 static void
3482 ice_rss_update_symm(struct ice_hw *hw,
3483                     struct ice_flow_prof *prof)
3484 {
3485         struct ice_prof_map *map;
3486         u8 prof_id, m;
3487
3488         ice_acquire_lock(&hw->blk[ICE_BLK_RSS].es.prof_map_lock);
3489         map = ice_search_prof_id(hw, ICE_BLK_RSS, prof->id);
3490         if (map)
3491                 prof_id = map->prof_id;
3492         ice_release_lock(&hw->blk[ICE_BLK_RSS].es.prof_map_lock);
3493         if (!map)
3494                 return;
3495         /* clear to default */
3496         for (m = 0; m < 6; m++)
3497                 wr32(hw, GLQF_HSYMM(prof_id, m), 0);
3498         if (prof->cfg.symm) {
3499                 struct ice_flow_seg_info *seg =
3500                         &prof->segs[prof->segs_cnt - 1];
3501
3502                 struct ice_flow_seg_xtrct *ipv4_src =
3503                         &seg->fields[ICE_FLOW_FIELD_IDX_IPV4_SA].xtrct;
3504                 struct ice_flow_seg_xtrct *ipv4_dst =
3505                         &seg->fields[ICE_FLOW_FIELD_IDX_IPV4_DA].xtrct;
3506                 struct ice_flow_seg_xtrct *ipv6_src =
3507                         &seg->fields[ICE_FLOW_FIELD_IDX_IPV6_SA].xtrct;
3508                 struct ice_flow_seg_xtrct *ipv6_dst =
3509                         &seg->fields[ICE_FLOW_FIELD_IDX_IPV6_DA].xtrct;
3510
3511                 struct ice_flow_seg_xtrct *tcp_src =
3512                         &seg->fields[ICE_FLOW_FIELD_IDX_TCP_SRC_PORT].xtrct;
3513                 struct ice_flow_seg_xtrct *tcp_dst =
3514                         &seg->fields[ICE_FLOW_FIELD_IDX_TCP_DST_PORT].xtrct;
3515
3516                 struct ice_flow_seg_xtrct *udp_src =
3517                         &seg->fields[ICE_FLOW_FIELD_IDX_UDP_SRC_PORT].xtrct;
3518                 struct ice_flow_seg_xtrct *udp_dst =
3519                         &seg->fields[ICE_FLOW_FIELD_IDX_UDP_DST_PORT].xtrct;
3520
3521                 struct ice_flow_seg_xtrct *sctp_src =
3522                         &seg->fields[ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT].xtrct;
3523                 struct ice_flow_seg_xtrct *sctp_dst =
3524                         &seg->fields[ICE_FLOW_FIELD_IDX_SCTP_DST_PORT].xtrct;
3525
3526                 /* xor IPv4 */
3527                 if (ipv4_src->prot_id != 0 && ipv4_dst->prot_id != 0)
3528                         ice_rss_config_xor(hw, prof_id,
3529                                            ipv4_src->idx, ipv4_dst->idx, 2);
3530
3531                 /* xor IPv6 */
3532                 if (ipv6_src->prot_id != 0 && ipv6_dst->prot_id != 0)
3533                         ice_rss_config_xor(hw, prof_id,
3534                                            ipv6_src->idx, ipv6_dst->idx, 8);
3535
3536                 /* xor TCP */
3537                 if (tcp_src->prot_id != 0 && tcp_dst->prot_id != 0)
3538                         ice_rss_config_xor(hw, prof_id,
3539                                            tcp_src->idx, tcp_dst->idx, 1);
3540
3541                 /* xor UDP */
3542                 if (udp_src->prot_id != 0 && udp_dst->prot_id != 0)
3543                         ice_rss_config_xor(hw, prof_id,
3544                                            udp_src->idx, udp_dst->idx, 1);
3545
3546                 /* xor SCTP */
3547                 if (sctp_src->prot_id != 0 && sctp_dst->prot_id != 0)
3548                         ice_rss_config_xor(hw, prof_id,
3549                                            sctp_src->idx, sctp_dst->idx, 1);
3550         }
3551 }
3552
3553 /**
3554  * ice_add_rss_cfg_sync - add an RSS configuration
3555  * @hw: pointer to the hardware structure
3556  * @vsi_handle: software VSI handle
3557  * @hashed_flds: hash bit fields (ICE_FLOW_HASH_*) to configure
3558  * @addl_hdrs: protocol header fields
3559  * @segs_cnt: packet segment count
3560  * @symm: symmetric hash enable/disable
3561  *
3562  * Assumption: lock has already been acquired for RSS list
3563  */
3564 static enum ice_status
3565 ice_add_rss_cfg_sync(struct ice_hw *hw, u16 vsi_handle, u64 hashed_flds,
3566                      u32 addl_hdrs, u8 segs_cnt, bool symm)
3567 {
3568         const enum ice_block blk = ICE_BLK_RSS;
3569         struct ice_flow_prof *prof = NULL;
3570         struct ice_flow_seg_info *segs;
3571         enum ice_status status;
3572
3573         if (!segs_cnt || segs_cnt > ICE_FLOW_SEG_MAX)
3574                 return ICE_ERR_PARAM;
3575
3576         segs = (struct ice_flow_seg_info *)ice_calloc(hw, segs_cnt,
3577                                                       sizeof(*segs));
3578         if (!segs)
3579                 return ICE_ERR_NO_MEMORY;
3580
3581         /* Construct the packet segment info from the hashed fields */
3582         status = ice_flow_set_rss_seg_info(&segs[segs_cnt - 1], hashed_flds,
3583                                            addl_hdrs);
3584         if (status)
3585                 goto exit;
3586
3587         /* don't do RSS for GTPU outer */
3588         if (segs_cnt == ICE_RSS_OUTER_HEADERS &&
3589             segs[segs_cnt - 1].hdrs & ICE_FLOW_SEG_HDR_GTPU)
3590                 return ICE_SUCCESS;
3591
3592         /* Search for a flow profile that has matching headers, hash fields
3593          * and has the input VSI associated to it. If found, no further
3594          * operations required and exit.
3595          */
3596         prof = ice_flow_find_prof_conds(hw, blk, ICE_FLOW_RX, segs, segs_cnt,
3597                                         vsi_handle,
3598                                         ICE_FLOW_FIND_PROF_CHK_FLDS |
3599                                         ICE_FLOW_FIND_PROF_CHK_VSI);
3600         if (prof) {
3601                 if (prof->cfg.symm == symm)
3602                         goto exit;
3603                 prof->cfg.symm = symm;
3604                 goto update_symm;
3605         }
3606
3607         /* Check if a flow profile exists with the same protocol headers and
3608          * associated with the input VSI. If so disassociate the VSI from
3609          * this profile. The VSI will be added to a new profile created with
3610          * the protocol header and new hash field configuration.
3611          */
3612         prof = ice_flow_find_prof_conds(hw, blk, ICE_FLOW_RX, segs, segs_cnt,
3613                                         vsi_handle, ICE_FLOW_FIND_PROF_CHK_VSI);
3614         if (prof) {
3615                 status = ice_flow_disassoc_prof(hw, blk, prof, vsi_handle);
3616                 if (!status)
3617                         ice_rem_rss_list(hw, vsi_handle, prof);
3618                 else
3619                         goto exit;
3620
3621                 /* Remove profile if it has no VSIs associated */
3622                 if (!ice_is_any_bit_set(prof->vsis, ICE_MAX_VSI)) {
3623                         status = ice_flow_rem_prof(hw, blk, prof->id);
3624                         if (status)
3625                                 goto exit;
3626                 }
3627         }
3628
3629         /* Search for a profile that has same match fields only. If this
3630          * exists then associate the VSI to this profile.
3631          */
3632         prof = ice_flow_find_prof_conds(hw, blk, ICE_FLOW_RX, segs, segs_cnt,
3633                                         vsi_handle,
3634                                         ICE_FLOW_FIND_PROF_CHK_FLDS);
3635         if (prof) {
3636                 if (prof->cfg.symm == symm) {
3637                         status = ice_flow_assoc_prof(hw, blk, prof,
3638                                                      vsi_handle);
3639                         if (!status)
3640                                 status = ice_add_rss_list(hw, vsi_handle,
3641                                                           prof);
3642                 } else {
3643                         /* if a profile exist but with different symmetric
3644                          * requirement, just return error.
3645                          */
3646                         status = ICE_ERR_NOT_SUPPORTED;
3647                 }
3648                 goto exit;
3649         }
3650
3651         /* Create a new flow profile with generated profile and packet
3652          * segment information.
3653          */
3654         status = ice_flow_add_prof(hw, blk, ICE_FLOW_RX,
3655                                    ICE_FLOW_GEN_PROFID(hashed_flds,
3656                                                        segs[segs_cnt - 1].hdrs,
3657                                                        segs_cnt),
3658                                    segs, segs_cnt, NULL, 0, &prof);
3659         if (status)
3660                 goto exit;
3661
3662         status = ice_flow_assoc_prof(hw, blk, prof, vsi_handle);
3663         /* If association to a new flow profile failed then this profile can
3664          * be removed.
3665          */
3666         if (status) {
3667                 ice_flow_rem_prof(hw, blk, prof->id);
3668                 goto exit;
3669         }
3670
3671         status = ice_add_rss_list(hw, vsi_handle, prof);
3672
3673         prof->cfg.symm = symm;
3674
3675 update_symm:
3676         ice_rss_update_symm(hw, prof);
3677
3678 exit:
3679         ice_free(hw, segs);
3680         return status;
3681 }
3682
3683 /**
3684  * ice_add_rss_cfg - add an RSS configuration with specified hashed fields
3685  * @hw: pointer to the hardware structure
3686  * @vsi_handle: software VSI handle
3687  * @hashed_flds: hash bit fields (ICE_FLOW_HASH_*) to configure
3688  * @addl_hdrs: protocol header fields
3689  * @symm: symmetric hash enable/disable
3690  *
3691  * This function will generate a flow profile based on fields associated with
3692  * the input fields to hash on, the flow type and use the VSI number to add
3693  * a flow entry to the profile.
3694  */
3695 enum ice_status
3696 ice_add_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u64 hashed_flds,
3697                 u32 addl_hdrs, bool symm)
3698 {
3699         enum ice_status status;
3700
3701         if (hashed_flds == ICE_HASH_INVALID ||
3702             !ice_is_vsi_valid(hw, vsi_handle))
3703                 return ICE_ERR_PARAM;
3704
3705         ice_acquire_lock(&hw->rss_locks);
3706         status = ice_add_rss_cfg_sync(hw, vsi_handle, hashed_flds, addl_hdrs,
3707                                       ICE_RSS_OUTER_HEADERS, symm);
3708
3709         if (!status)
3710                 status = ice_add_rss_cfg_sync(hw, vsi_handle, hashed_flds,
3711                                               addl_hdrs, ICE_RSS_INNER_HEADERS,
3712                                               symm);
3713         ice_release_lock(&hw->rss_locks);
3714
3715         return status;
3716 }
3717
3718 /**
3719  * ice_rem_rss_cfg_sync - remove an existing RSS configuration
3720  * @hw: pointer to the hardware structure
3721  * @vsi_handle: software VSI handle
3722  * @hashed_flds: Packet hash types (ICE_FLOW_HASH_*) to remove
3723  * @addl_hdrs: Protocol header fields within a packet segment
3724  * @segs_cnt: packet segment count
3725  *
3726  * Assumption: lock has already been acquired for RSS list
3727  */
3728 static enum ice_status
3729 ice_rem_rss_cfg_sync(struct ice_hw *hw, u16 vsi_handle, u64 hashed_flds,
3730                      u32 addl_hdrs, u8 segs_cnt)
3731 {
3732         const enum ice_block blk = ICE_BLK_RSS;
3733         struct ice_flow_seg_info *segs;
3734         struct ice_flow_prof *prof;
3735         enum ice_status status;
3736
3737         segs = (struct ice_flow_seg_info *)ice_calloc(hw, segs_cnt,
3738                                                       sizeof(*segs));
3739         if (!segs)
3740                 return ICE_ERR_NO_MEMORY;
3741
3742         /* Construct the packet segment info from the hashed fields */
3743         status = ice_flow_set_rss_seg_info(&segs[segs_cnt - 1], hashed_flds,
3744                                            addl_hdrs);
3745         if (status)
3746                 goto out;
3747
3748         if (segs_cnt == ICE_RSS_OUTER_HEADERS &&
3749             segs[segs_cnt - 1].hdrs & ICE_FLOW_SEG_HDR_GTPU)
3750                 return ICE_SUCCESS;
3751
3752         prof = ice_flow_find_prof_conds(hw, blk, ICE_FLOW_RX, segs, segs_cnt,
3753                                         vsi_handle,
3754                                         ICE_FLOW_FIND_PROF_CHK_FLDS);
3755         if (!prof) {
3756                 status = ICE_ERR_DOES_NOT_EXIST;
3757                 goto out;
3758         }
3759
3760         status = ice_flow_disassoc_prof(hw, blk, prof, vsi_handle);
3761         if (status)
3762                 goto out;
3763
3764         /* Remove RSS configuration from VSI context before deleting
3765          * the flow profile.
3766          */
3767         ice_rem_rss_list(hw, vsi_handle, prof);
3768
3769         if (!ice_is_any_bit_set(prof->vsis, ICE_MAX_VSI))
3770                 status = ice_flow_rem_prof(hw, blk, prof->id);
3771
3772 out:
3773         ice_free(hw, segs);
3774         return status;
3775 }
3776
3777 /**
3778  * ice_rem_rss_cfg - remove an existing RSS config with matching hashed fields
3779  * @hw: pointer to the hardware structure
3780  * @vsi_handle: software VSI handle
3781  * @hashed_flds: Packet hash types (ICE_FLOW_HASH_*) to remove
3782  * @addl_hdrs: Protocol header fields within a packet segment
3783  *
3784  * This function will lookup the flow profile based on the input
3785  * hash field bitmap, iterate through the profile entry list of
3786  * that profile and find entry associated with input VSI to be
3787  * removed. Calls are made to underlying flow apis which will in
3788  * turn build or update buffers for RSS XLT1 section.
3789  */
3790 enum ice_status
3791 ice_rem_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u64 hashed_flds,
3792                 u32 addl_hdrs)
3793 {
3794         enum ice_status status;
3795
3796         if (hashed_flds == ICE_HASH_INVALID ||
3797             !ice_is_vsi_valid(hw, vsi_handle))
3798                 return ICE_ERR_PARAM;
3799
3800         ice_acquire_lock(&hw->rss_locks);
3801         status = ice_rem_rss_cfg_sync(hw, vsi_handle, hashed_flds, addl_hdrs,
3802                                       ICE_RSS_OUTER_HEADERS);
3803         if (!status)
3804                 status = ice_rem_rss_cfg_sync(hw, vsi_handle, hashed_flds,
3805                                               addl_hdrs, ICE_RSS_INNER_HEADERS);
3806         ice_release_lock(&hw->rss_locks);
3807
3808         return status;
3809 }
3810
3811 /**
3812  * ice_replay_rss_cfg - replay RSS configurations associated with VSI
3813  * @hw: pointer to the hardware structure
3814  * @vsi_handle: software VSI handle
3815  */
3816 enum ice_status ice_replay_rss_cfg(struct ice_hw *hw, u16 vsi_handle)
3817 {
3818         enum ice_status status = ICE_SUCCESS;
3819         struct ice_rss_cfg *r;
3820
3821         if (!ice_is_vsi_valid(hw, vsi_handle))
3822                 return ICE_ERR_PARAM;
3823
3824         ice_acquire_lock(&hw->rss_locks);
3825         LIST_FOR_EACH_ENTRY(r, &hw->rss_list_head,
3826                             ice_rss_cfg, l_entry) {
3827                 if (ice_is_bit_set(r->vsis, vsi_handle)) {
3828                         status = ice_add_rss_cfg_sync(hw, vsi_handle,
3829                                                       r->hashed_flds,
3830                                                       r->packet_hdr,
3831                                                       ICE_RSS_OUTER_HEADERS,
3832                                                       r->symm);
3833                         if (status)
3834                                 break;
3835                         status = ice_add_rss_cfg_sync(hw, vsi_handle,
3836                                                       r->hashed_flds,
3837                                                       r->packet_hdr,
3838                                                       ICE_RSS_INNER_HEADERS,
3839                                                       r->symm);
3840                         if (status)
3841                                 break;
3842                 }
3843         }
3844         ice_release_lock(&hw->rss_locks);
3845
3846         return status;
3847 }
3848
3849 /**
3850  * ice_get_rss_cfg - returns hashed fields for the given header types
3851  * @hw: pointer to the hardware structure
3852  * @vsi_handle: software VSI handle
3853  * @hdrs: protocol header type
3854  *
3855  * This function will return the match fields of the first instance of flow
3856  * profile having the given header types and containing input VSI
3857  */
3858 u64 ice_get_rss_cfg(struct ice_hw *hw, u16 vsi_handle, u32 hdrs)
3859 {
3860         u64 rss_hash = ICE_HASH_INVALID;
3861         struct ice_rss_cfg *r;
3862
3863         /* verify if the protocol header is non zero and VSI is valid */
3864         if (hdrs == ICE_FLOW_SEG_HDR_NONE || !ice_is_vsi_valid(hw, vsi_handle))
3865                 return ICE_HASH_INVALID;
3866
3867         ice_acquire_lock(&hw->rss_locks);
3868         LIST_FOR_EACH_ENTRY(r, &hw->rss_list_head,
3869                             ice_rss_cfg, l_entry)
3870                 if (ice_is_bit_set(r->vsis, vsi_handle) &&
3871                     r->packet_hdr == hdrs) {
3872                         rss_hash = r->hashed_flds;
3873                         break;
3874                 }
3875         ice_release_lock(&hw->rss_locks);
3876
3877         return rss_hash;
3878 }