drivers/net/ethernet/microchip/sparx5/sparx5_vcap_impl.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /* Microchip Sparx5 Switch driver VCAP implementation
   3  *
   4  * Copyright (c) 2022 Microchip Technology Inc. and its subsidiaries.
   5  *
   6  * The Sparx5 Chip Register Model can be browsed at this location:
   7  * https://github.com/microchip-ung/sparx-5_reginfo
   8  */
   9
  10 #ifndef __SPARX5_VCAP_IMPL_H__
  11 #define __SPARX5_VCAP_IMPL_H__
  12
  13 #include <linux/types.h>
  14 #include <linux/list.h>
  15
  16 #include "vcap_api.h"
  17 #include "vcap_api_client.h"
  18
  19 #define SPARX5_VCAP_CID_IS0_L0 VCAP_CID_INGRESS_L0 /* IS0/CLM lookup 0 */
  20 #define SPARX5_VCAP_CID_IS0_L1 VCAP_CID_INGRESS_L1 /* IS0/CLM lookup 1 */
  21 #define SPARX5_VCAP_CID_IS0_L2 VCAP_CID_INGRESS_L2 /* IS0/CLM lookup 2 */
  22 #define SPARX5_VCAP_CID_IS0_L3 VCAP_CID_INGRESS_L3 /* IS0/CLM lookup 3 */
  23 #define SPARX5_VCAP_CID_IS0_L4 VCAP_CID_INGRESS_L4 /* IS0/CLM lookup 4 */
  24 #define SPARX5_VCAP_CID_IS0_L5 VCAP_CID_INGRESS_L5 /* IS0/CLM lookup 5 */
  25 #define SPARX5_VCAP_CID_IS0_MAX \
  26         (VCAP_CID_INGRESS_L5 + VCAP_CID_LOOKUP_SIZE - 1) /* IS0/CLM Max */
  27
  28 #define SPARX5_VCAP_CID_IS2_L0 VCAP_CID_INGRESS_STAGE2_L0 /* IS2 lookup 0 */
  29 #define SPARX5_VCAP_CID_IS2_L1 VCAP_CID_INGRESS_STAGE2_L1 /* IS2 lookup 1 */
  30 #define SPARX5_VCAP_CID_IS2_L2 VCAP_CID_INGRESS_STAGE2_L2 /* IS2 lookup 2 */
  31 #define SPARX5_VCAP_CID_IS2_L3 VCAP_CID_INGRESS_STAGE2_L3 /* IS2 lookup 3 */
  32 #define SPARX5_VCAP_CID_IS2_MAX \
  33         (VCAP_CID_INGRESS_STAGE2_L3 + VCAP_CID_LOOKUP_SIZE - 1) /* IS2 Max */
  34
  35 #define SPARX5_VCAP_CID_ES0_L0 VCAP_CID_EGRESS_L0 /* ES0 lookup 0 */
  36 #define SPARX5_VCAP_CID_ES0_MAX (VCAP_CID_EGRESS_L1 - 1) /* ES0 Max */
  37
  38 #define SPARX5_VCAP_CID_ES2_L0 VCAP_CID_EGRESS_STAGE2_L0 /* ES2 lookup 0 */
  39 #define SPARX5_VCAP_CID_ES2_L1 VCAP_CID_EGRESS_STAGE2_L1 /* ES2 lookup 1 */
  40 #define SPARX5_VCAP_CID_ES2_MAX \
  41         (VCAP_CID_EGRESS_STAGE2_L1 + VCAP_CID_LOOKUP_SIZE - 1) /* ES2 Max */
  42
  43 /* IS0 port keyset selection control */
  44
  45 /* IS0 ethernet, IPv4, IPv6 traffic type keyset generation */
  46 enum vcap_is0_port_sel_etype {
  47         VCAP_IS0_PS_ETYPE_DEFAULT, /* None or follow depending on class */
  48         VCAP_IS0_PS_ETYPE_MLL,
  49         VCAP_IS0_PS_ETYPE_SGL_MLBS,
  50         VCAP_IS0_PS_ETYPE_DBL_MLBS,
  51         VCAP_IS0_PS_ETYPE_TRI_MLBS,
  52         VCAP_IS0_PS_ETYPE_TRI_VID,
  53         VCAP_IS0_PS_ETYPE_LL_FULL,
  54         VCAP_IS0_PS_ETYPE_NORMAL_SRC,
  55         VCAP_IS0_PS_ETYPE_NORMAL_DST,
  56         VCAP_IS0_PS_ETYPE_NORMAL_7TUPLE,
  57         VCAP_IS0_PS_ETYPE_NORMAL_5TUPLE_IP4,
  58         VCAP_IS0_PS_ETYPE_PURE_5TUPLE_IP4,
  59         VCAP_IS0_PS_ETYPE_DBL_VID_IDX,
  60         VCAP_IS0_PS_ETYPE_ETAG,
  61         VCAP_IS0_PS_ETYPE_NO_LOOKUP,
  62 };
  63
  64 /* IS0 MPLS traffic type keyset generation */
  65 enum vcap_is0_port_sel_mpls_uc_mc {
  66         VCAP_IS0_PS_MPLS_FOLLOW_ETYPE,
  67         VCAP_IS0_PS_MPLS_MLL,
  68         VCAP_IS0_PS_MPLS_SGL_MLBS,
  69         VCAP_IS0_PS_MPLS_DBL_MLBS,
  70         VCAP_IS0_PS_MPLS_TRI_MLBS,
  71         VCAP_IS0_PS_MPLS_TRI_VID,
  72         VCAP_IS0_PS_MPLS_LL_FULL,
  73         VCAP_IS0_PS_MPLS_NORMAL_SRC,
  74         VCAP_IS0_PS_MPLS_NORMAL_DST,
  75         VCAP_IS0_PS_MPLS_NORMAL_7TUPLE,
  76         VCAP_IS0_PS_MPLS_NORMAL_5TUPLE_IP4,
  77         VCAP_IS0_PS_MPLS_PURE_5TUPLE_IP4,
  78         VCAP_IS0_PS_MPLS_DBL_VID_IDX,
  79         VCAP_IS0_PS_MPLS_ETAG,
  80         VCAP_IS0_PS_MPLS_NO_LOOKUP,
  81 };
  82
  83 /* IS0 MBLS traffic type keyset generation */
  84 enum vcap_is0_port_sel_mlbs {
  85         VCAP_IS0_PS_MLBS_FOLLOW_ETYPE,
  86         VCAP_IS0_PS_MLBS_SGL_MLBS,
  87         VCAP_IS0_PS_MLBS_DBL_MLBS,
  88         VCAP_IS0_PS_MLBS_TRI_MLBS,
  89         VCAP_IS0_PS_MLBS_NO_LOOKUP = 17,
  90 };
  91
  92 /* IS2 port keyset selection control */
  93
  94 /* IS2 non-ethernet traffic type keyset generation */
  95 enum vcap_is2_port_sel_noneth {
  96         VCAP_IS2_PS_NONETH_MAC_ETYPE,
  97         VCAP_IS2_PS_NONETH_CUSTOM_1,
  98         VCAP_IS2_PS_NONETH_CUSTOM_2,
  99         VCAP_IS2_PS_NONETH_NO_LOOKUP
 100 };
 101
 102 /* IS2 IPv4 unicast traffic type keyset generation */
 103 enum vcap_is2_port_sel_ipv4_uc {
 104         VCAP_IS2_PS_IPV4_UC_MAC_ETYPE,
 105         VCAP_IS2_PS_IPV4_UC_IP4_TCP_UDP_OTHER,
 106         VCAP_IS2_PS_IPV4_UC_IP_7TUPLE,
 107 };
 108
 109 /* IS2 IPv4 multicast traffic type keyset generation */
 110 enum vcap_is2_port_sel_ipv4_mc {
 111         VCAP_IS2_PS_IPV4_MC_MAC_ETYPE,
 112         VCAP_IS2_PS_IPV4_MC_IP4_TCP_UDP_OTHER,
 113         VCAP_IS2_PS_IPV4_MC_IP_7TUPLE,
 114         VCAP_IS2_PS_IPV4_MC_IP4_VID,
 115 };
 116
 117 /* IS2 IPv6 unicast traffic type keyset generation */
 118 enum vcap_is2_port_sel_ipv6_uc {
 119         VCAP_IS2_PS_IPV6_UC_MAC_ETYPE,
 120         VCAP_IS2_PS_IPV6_UC_IP_7TUPLE,
 121         VCAP_IS2_PS_IPV6_UC_IP6_STD,
 122         VCAP_IS2_PS_IPV6_UC_IP4_TCP_UDP_OTHER,
 123 };
 124
 125 /* IS2 IPv6 multicast traffic type keyset generation */
 126 enum vcap_is2_port_sel_ipv6_mc {
 127         VCAP_IS2_PS_IPV6_MC_MAC_ETYPE,
 128         VCAP_IS2_PS_IPV6_MC_IP_7TUPLE,
 129         VCAP_IS2_PS_IPV6_MC_IP6_VID,
 130         VCAP_IS2_PS_IPV6_MC_IP6_STD,
 131         VCAP_IS2_PS_IPV6_MC_IP4_TCP_UDP_OTHER,
 132 };
 133
 134 /* IS2 ARP traffic type keyset generation */
 135 enum vcap_is2_port_sel_arp {
 136         VCAP_IS2_PS_ARP_MAC_ETYPE,
 137         VCAP_IS2_PS_ARP_ARP,
 138 };
 139
 140 /* ES0 port keyset selection control */
 141
 142 /* ES0 Egress port traffic type classification */
 143 enum vcap_es0_port_sel {
 144         VCAP_ES0_PS_NORMAL_SELECTION,
 145         VCAP_ES0_PS_FORCE_ISDX_LOOKUPS,
 146         VCAP_ES0_PS_FORCE_VID_LOOKUPS,
 147         VCAP_ES0_PS_RESERVED,
 148 };
 149
 150 /* ES2 port keyset selection control */
 151
 152 /* ES2 IPv4 traffic type keyset generation */
 153 enum vcap_es2_port_sel_ipv4 {
 154         VCAP_ES2_PS_IPV4_MAC_ETYPE,
 155         VCAP_ES2_PS_IPV4_IP_7TUPLE,
 156         VCAP_ES2_PS_IPV4_IP4_TCP_UDP_VID,
 157         VCAP_ES2_PS_IPV4_IP4_TCP_UDP_OTHER,
 158         VCAP_ES2_PS_IPV4_IP4_VID,
 159         VCAP_ES2_PS_IPV4_IP4_OTHER,
 160 };
 161
 162 /* ES2 IPv6 traffic type keyset generation */
 163 enum vcap_es2_port_sel_ipv6 {
 164         VCAP_ES2_PS_IPV6_MAC_ETYPE,
 165         VCAP_ES2_PS_IPV6_IP_7TUPLE,
 166         VCAP_ES2_PS_IPV6_IP_7TUPLE_VID,
 167         VCAP_ES2_PS_IPV6_IP_7TUPLE_STD,
 168         VCAP_ES2_PS_IPV6_IP6_VID,
 169         VCAP_ES2_PS_IPV6_IP6_STD,
 170         VCAP_ES2_PS_IPV6_IP4_DOWNGRADE,
 171 };
 172
 173 /* ES2 ARP traffic type keyset generation */
 174 enum vcap_es2_port_sel_arp {
 175         VCAP_ES2_PS_ARP_MAC_ETYPE,
 176         VCAP_ES2_PS_ARP_ARP,
 177 };
 178
 179 /* Selects TPID for ES0 matching */
 180 enum SPX5_TPID_SEL {
 181         SPX5_TPID_SEL_UNTAGGED,
 182         SPX5_TPID_SEL_8100,
 183         SPX5_TPID_SEL_UNUSED_0,
 184         SPX5_TPID_SEL_UNUSED_1,
 185         SPX5_TPID_SEL_88A8,
 186         SPX5_TPID_SEL_TPIDCFG_1,
 187         SPX5_TPID_SEL_TPIDCFG_2,
 188         SPX5_TPID_SEL_TPIDCFG_3,
 189 };
 190
 191 /* Get the port keyset for the vcap lookup */
 192 int sparx5_vcap_get_port_keyset(struct net_device *ndev,
 193                                 struct vcap_admin *admin,
 194                                 int cid,
 195                                 u16 l3_proto,
 196                                 struct vcap_keyset_list *kslist);
 197
 198 /* Change the port keyset for the lookup and protocol */
 199 void sparx5_vcap_set_port_keyset(struct net_device *ndev,
 200                                  struct vcap_admin *admin, int cid,
 201                                  u16 l3_proto, enum vcap_keyfield_set keyset,
 202                                  struct vcap_keyset_list *orig);
 203
 204 /* Check if the ethertype is supported by the vcap port classification */
 205 bool sparx5_vcap_is_known_etype(struct vcap_admin *admin, u16 etype);
 206
 207 #endif /* __SPARX5_VCAP_IMPL_H__ */