linux/drivers/net/ethernet/marvell/octeontx2/af/npc.h
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   1/* SPDX-License-Identifier: GPL-2.0
   2 * Marvell OcteonTx2 RVU Admin Function driver
   3 *
   4 * Copyright (C) 2018 Marvell International Ltd.
   5 *
   6 * This program is free software; you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License version 2 as
   8 * published by the Free Software Foundation.
   9 */
  10
  11#ifndef NPC_H
  12#define NPC_H
  13
  14enum NPC_LID_E {
  15        NPC_LID_LA = 0,
  16        NPC_LID_LB,
  17        NPC_LID_LC,
  18        NPC_LID_LD,
  19        NPC_LID_LE,
  20        NPC_LID_LF,
  21        NPC_LID_LG,
  22        NPC_LID_LH,
  23};
  24
  25#define NPC_LT_NA 0
  26
  27enum npc_kpu_la_ltype {
  28        NPC_LT_LA_8023 = 1,
  29        NPC_LT_LA_ETHER,
  30};
  31
  32enum npc_kpu_lb_ltype {
  33        NPC_LT_LB_ETAG = 1,
  34        NPC_LT_LB_CTAG,
  35        NPC_LT_LB_STAG,
  36        NPC_LT_LB_BTAG,
  37        NPC_LT_LB_QINQ,
  38        NPC_LT_LB_ITAG,
  39};
  40
  41enum npc_kpu_lc_ltype {
  42        NPC_LT_LC_IP = 1,
  43        NPC_LT_LC_IP6,
  44        NPC_LT_LC_ARP,
  45        NPC_LT_LC_RARP,
  46        NPC_LT_LC_MPLS,
  47        NPC_LT_LC_NSH,
  48        NPC_LT_LC_PTP,
  49        NPC_LT_LC_FCOE,
  50};
  51
  52/* Don't modify Ltypes upto SCTP, otherwise it will
  53 * effect flow tag calculation and thus RSS.
  54 */
  55enum npc_kpu_ld_ltype {
  56        NPC_LT_LD_TCP = 1,
  57        NPC_LT_LD_UDP,
  58        NPC_LT_LD_ICMP,
  59        NPC_LT_LD_SCTP,
  60        NPC_LT_LD_IGMP,
  61        NPC_LT_LD_ICMP6,
  62        NPC_LT_LD_ESP,
  63        NPC_LT_LD_AH,
  64        NPC_LT_LD_GRE,
  65        NPC_LT_LD_GRE_MPLS,
  66        NPC_LT_LD_GRE_NSH,
  67        NPC_LT_LD_TU_MPLS,
  68};
  69
  70enum npc_kpu_le_ltype {
  71        NPC_LT_LE_TU_ETHER = 1,
  72        NPC_LT_LE_TU_PPP,
  73        NPC_LT_LE_TU_MPLS_IN_NSH,
  74        NPC_LT_LE_TU_3RD_NSH,
  75};
  76
  77enum npc_kpu_lf_ltype {
  78        NPC_LT_LF_TU_IP = 1,
  79        NPC_LT_LF_TU_IP6,
  80        NPC_LT_LF_TU_ARP,
  81        NPC_LT_LF_TU_MPLS_IP,
  82        NPC_LT_LF_TU_MPLS_IP6,
  83        NPC_LT_LF_TU_MPLS_ETHER,
  84};
  85
  86enum npc_kpu_lg_ltype {
  87        NPC_LT_LG_TU_TCP = 1,
  88        NPC_LT_LG_TU_UDP,
  89        NPC_LT_LG_TU_SCTP,
  90        NPC_LT_LG_TU_ICMP,
  91        NPC_LT_LG_TU_IGMP,
  92        NPC_LT_LG_TU_ICMP6,
  93        NPC_LT_LG_TU_ESP,
  94        NPC_LT_LG_TU_AH,
  95};
  96
  97enum npc_kpu_lh_ltype {
  98        NPC_LT_LH_TCP_DATA = 1,
  99        NPC_LT_LH_HTTP_DATA,
 100        NPC_LT_LH_HTTPS_DATA,
 101        NPC_LT_LH_PPTP_DATA,
 102        NPC_LT_LH_UDP_DATA,
 103};
 104
 105struct npc_kpu_profile_cam {
 106        u8 state;
 107        u8 state_mask;
 108        u16 dp0;
 109        u16 dp0_mask;
 110        u16 dp1;
 111        u16 dp1_mask;
 112        u16 dp2;
 113        u16 dp2_mask;
 114};
 115
 116struct npc_kpu_profile_action {
 117        u8 errlev;
 118        u8 errcode;
 119        u8 dp0_offset;
 120        u8 dp1_offset;
 121        u8 dp2_offset;
 122        u8 bypass_count;
 123        u8 parse_done;
 124        u8 next_state;
 125        u8 ptr_advance;
 126        u8 cap_ena;
 127        u8 lid;
 128        u8 ltype;
 129        u8 flags;
 130        u8 offset;
 131        u8 mask;
 132        u8 right;
 133        u8 shift;
 134};
 135
 136struct npc_kpu_profile {
 137        int cam_entries;
 138        int action_entries;
 139        struct npc_kpu_profile_cam *cam;
 140        struct npc_kpu_profile_action *action;
 141};
 142
 143/* NPC KPU register formats */
 144struct npc_kpu_cam {
 145#if defined(__BIG_ENDIAN_BITFIELD)
 146        u64 rsvd_63_56     : 8;
 147        u64 state          : 8;
 148        u64 dp2_data       : 16;
 149        u64 dp1_data       : 16;
 150        u64 dp0_data       : 16;
 151#else
 152        u64 dp0_data       : 16;
 153        u64 dp1_data       : 16;
 154        u64 dp2_data       : 16;
 155        u64 state          : 8;
 156        u64 rsvd_63_56     : 8;
 157#endif
 158};
 159
 160struct npc_kpu_action0 {
 161#if defined(__BIG_ENDIAN_BITFIELD)
 162        u64 rsvd_63_57     : 7;
 163        u64 byp_count      : 3;
 164        u64 capture_ena    : 1;
 165        u64 parse_done     : 1;
 166        u64 next_state     : 8;
 167        u64 rsvd_43        : 1;
 168        u64 capture_lid    : 3;
 169        u64 capture_ltype  : 4;
 170        u64 capture_flags  : 8;
 171        u64 ptr_advance    : 8;
 172        u64 var_len_offset : 8;
 173        u64 var_len_mask   : 8;
 174        u64 var_len_right  : 1;
 175        u64 var_len_shift  : 3;
 176#else
 177        u64 var_len_shift  : 3;
 178        u64 var_len_right  : 1;
 179        u64 var_len_mask   : 8;
 180        u64 var_len_offset : 8;
 181        u64 ptr_advance    : 8;
 182        u64 capture_flags  : 8;
 183        u64 capture_ltype  : 4;
 184        u64 capture_lid    : 3;
 185        u64 rsvd_43        : 1;
 186        u64 next_state     : 8;
 187        u64 parse_done     : 1;
 188        u64 capture_ena    : 1;
 189        u64 byp_count      : 3;
 190        u64 rsvd_63_57     : 7;
 191#endif
 192};
 193
 194struct npc_kpu_action1 {
 195#if defined(__BIG_ENDIAN_BITFIELD)
 196        u64 rsvd_63_36     : 28;
 197        u64 errlev         : 4;
 198        u64 errcode        : 8;
 199        u64 dp2_offset     : 8;
 200        u64 dp1_offset     : 8;
 201        u64 dp0_offset     : 8;
 202#else
 203        u64 dp0_offset     : 8;
 204        u64 dp1_offset     : 8;
 205        u64 dp2_offset     : 8;
 206        u64 errcode        : 8;
 207        u64 errlev         : 4;
 208        u64 rsvd_63_36     : 28;
 209#endif
 210};
 211
 212struct npc_kpu_pkind_cpi_def {
 213#if defined(__BIG_ENDIAN_BITFIELD)
 214        u64 ena            : 1;
 215        u64 rsvd_62_59     : 4;
 216        u64 lid            : 3;
 217        u64 ltype_match    : 4;
 218        u64 ltype_mask     : 4;
 219        u64 flags_match    : 8;
 220        u64 flags_mask     : 8;
 221        u64 add_offset     : 8;
 222        u64 add_mask       : 8;
 223        u64 rsvd_15        : 1;
 224        u64 add_shift      : 3;
 225        u64 rsvd_11_10     : 2;
 226        u64 cpi_base       : 10;
 227#else
 228        u64 cpi_base       : 10;
 229        u64 rsvd_11_10     : 2;
 230        u64 add_shift      : 3;
 231        u64 rsvd_15        : 1;
 232        u64 add_mask       : 8;
 233        u64 add_offset     : 8;
 234        u64 flags_mask     : 8;
 235        u64 flags_match    : 8;
 236        u64 ltype_mask     : 4;
 237        u64 ltype_match    : 4;
 238        u64 lid            : 3;
 239        u64 rsvd_62_59     : 4;
 240        u64 ena            : 1;
 241#endif
 242};
 243
 244struct nix_rx_action {
 245#if defined(__BIG_ENDIAN_BITFIELD)
 246        u64     rsvd_63_61      :3;
 247        u64     flow_key_alg    :5;
 248        u64     match_id        :16;
 249        u64     index           :20;
 250        u64     pf_func         :16;
 251        u64     op              :4;
 252#else
 253        u64     op              :4;
 254        u64     pf_func         :16;
 255        u64     index           :20;
 256        u64     match_id        :16;
 257        u64     flow_key_alg    :5;
 258        u64     rsvd_63_61      :3;
 259#endif
 260};
 261
 262/* NIX Receive Vtag Action Structure */
 263#define VTAG0_VALID_BIT         BIT_ULL(15)
 264#define VTAG0_TYPE_MASK         GENMASK_ULL(14, 12)
 265#define VTAG0_LID_MASK          GENMASK_ULL(10, 8)
 266#define VTAG0_RELPTR_MASK       GENMASK_ULL(7, 0)
 267
 268struct npc_mcam_kex {
 269        /* MKEX Profle Header */
 270        u64 mkex_sign; /* "mcam-kex-profile" (8 bytes/ASCII characters) */
 271        u8 name[MKEX_NAME_LEN];   /* MKEX Profile name */
 272        u64 cpu_model;   /* Format as profiled by CPU hardware */
 273        u64 kpu_version; /* KPU firmware/profile version */
 274        u64 reserved; /* Reserved for extension */
 275
 276        /* MKEX Profle Data */
 277        u64 keyx_cfg[NPC_MAX_INTF]; /* NPC_AF_INTF(0..1)_KEX_CFG */
 278        /* NPC_AF_KEX_LDATA(0..1)_FLAGS_CFG */
 279        u64 kex_ld_flags[NPC_MAX_LD];
 280        /* NPC_AF_INTF(0..1)_LID(0..7)_LT(0..15)_LD(0..1)_CFG */
 281        u64 intf_lid_lt_ld[NPC_MAX_INTF][NPC_MAX_LID][NPC_MAX_LT][NPC_MAX_LD];
 282        /* NPC_AF_INTF(0..1)_LDATA(0..1)_FLAGS(0..15)_CFG */
 283        u64 intf_ld_flags[NPC_MAX_INTF][NPC_MAX_LD][NPC_MAX_LFL];
 284} __packed;
 285
 286#endif /* NPC_H */
 287