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_IS2_LOOKUPS 4 20 #define SPARX5_IS0_LOOKUPS 6 21 #define SPARX5_ES0_LOOKUPS 1 22 #define SPARX5_ES2_LOOKUPS 2 23 24 #define SPARX5_VCAP_CID_IS0_L0 VCAP_CID_INGRESS_L0 /* IS0/CLM lookup 0 */ 25 #define SPARX5_VCAP_CID_IS0_L1 VCAP_CID_INGRESS_L1 /* IS0/CLM lookup 1 */ 26 #define SPARX5_VCAP_CID_IS0_L2 VCAP_CID_INGRESS_L2 /* IS0/CLM lookup 2 */ 27 #define SPARX5_VCAP_CID_IS0_L3 VCAP_CID_INGRESS_L3 /* IS0/CLM lookup 3 */ 28 #define SPARX5_VCAP_CID_IS0_L4 VCAP_CID_INGRESS_L4 /* IS0/CLM lookup 4 */ 29 #define SPARX5_VCAP_CID_IS0_L5 VCAP_CID_INGRESS_L5 /* IS0/CLM lookup 5 */ 30 #define SPARX5_VCAP_CID_IS0_MAX \ 31 (VCAP_CID_INGRESS_L5 + VCAP_CID_LOOKUP_SIZE - 1) /* IS0/CLM Max */ 32 33 #define SPARX5_VCAP_CID_IS2_L0 VCAP_CID_INGRESS_STAGE2_L0 /* IS2 lookup 0 */ 34 #define SPARX5_VCAP_CID_IS2_L1 VCAP_CID_INGRESS_STAGE2_L1 /* IS2 lookup 1 */ 35 #define SPARX5_VCAP_CID_IS2_L2 VCAP_CID_INGRESS_STAGE2_L2 /* IS2 lookup 2 */ 36 #define SPARX5_VCAP_CID_IS2_L3 VCAP_CID_INGRESS_STAGE2_L3 /* IS2 lookup 3 */ 37 #define SPARX5_VCAP_CID_IS2_MAX \ 38 (VCAP_CID_INGRESS_STAGE2_L3 + VCAP_CID_LOOKUP_SIZE - 1) /* IS2 Max */ 39 40 #define SPARX5_VCAP_CID_ES0_L0 VCAP_CID_EGRESS_L0 /* ES0 lookup 0 */ 41 #define SPARX5_VCAP_CID_ES0_MAX (VCAP_CID_EGRESS_L1 - 1) /* ES0 Max */ 42 43 #define SPARX5_VCAP_CID_ES2_L0 VCAP_CID_EGRESS_STAGE2_L0 /* ES2 lookup 0 */ 44 #define SPARX5_VCAP_CID_ES2_L1 VCAP_CID_EGRESS_STAGE2_L1 /* ES2 lookup 1 */ 45 #define SPARX5_VCAP_CID_ES2_MAX \ 46 (VCAP_CID_EGRESS_STAGE2_L1 + VCAP_CID_LOOKUP_SIZE - 1) /* ES2 Max */ 47 48 struct sparx5_vcap_inst { 49 enum vcap_type vtype; /* type of vcap */ 50 int vinst; /* instance number within the same type */ 51 int lookups; /* number of lookups in this vcap type */ 52 int lookups_per_instance; /* number of lookups in this instance */ 53 int first_cid; /* first chain id in this vcap */ 54 int last_cid; /* last chain id in this vcap */ 55 int count; /* number of available addresses, not in super vcap */ 56 int map_id; /* id in the super vcap block mapping (if applicable) */ 57 int blockno; /* starting block in super vcap (if applicable) */ 58 int blocks; /* number of blocks in super vcap (if applicable) */ 59 bool ingress; /* is vcap in the ingress path */ 60 }; 61 62 extern const struct sparx5_vcap_inst sparx5_vcap_inst_cfg[]; 63 64 /* IS0 port keyset selection control */ 65 66 /* IS0 ethernet, IPv4, IPv6 traffic type keyset generation */ 67 enum vcap_is0_port_sel_etype { 68 VCAP_IS0_PS_ETYPE_DEFAULT, /* None or follow depending on class */ 69 VCAP_IS0_PS_ETYPE_MLL, 70 VCAP_IS0_PS_ETYPE_SGL_MLBS, 71 VCAP_IS0_PS_ETYPE_DBL_MLBS, 72 VCAP_IS0_PS_ETYPE_TRI_MLBS, 73 VCAP_IS0_PS_ETYPE_TRI_VID, 74 VCAP_IS0_PS_ETYPE_LL_FULL, 75 VCAP_IS0_PS_ETYPE_NORMAL_SRC, 76 VCAP_IS0_PS_ETYPE_NORMAL_DST, 77 VCAP_IS0_PS_ETYPE_NORMAL_7TUPLE, 78 VCAP_IS0_PS_ETYPE_NORMAL_5TUPLE_IP4, 79 VCAP_IS0_PS_ETYPE_PURE_5TUPLE_IP4, 80 VCAP_IS0_PS_ETYPE_DBL_VID_IDX, 81 VCAP_IS0_PS_ETYPE_ETAG, 82 VCAP_IS0_PS_ETYPE_NO_LOOKUP, 83 }; 84 85 /* IS0 MPLS traffic type keyset generation */ 86 enum vcap_is0_port_sel_mpls_uc_mc { 87 VCAP_IS0_PS_MPLS_FOLLOW_ETYPE, 88 VCAP_IS0_PS_MPLS_MLL, 89 VCAP_IS0_PS_MPLS_SGL_MLBS, 90 VCAP_IS0_PS_MPLS_DBL_MLBS, 91 VCAP_IS0_PS_MPLS_TRI_MLBS, 92 VCAP_IS0_PS_MPLS_TRI_VID, 93 VCAP_IS0_PS_MPLS_LL_FULL, 94 VCAP_IS0_PS_MPLS_NORMAL_SRC, 95 VCAP_IS0_PS_MPLS_NORMAL_DST, 96 VCAP_IS0_PS_MPLS_NORMAL_7TUPLE, 97 VCAP_IS0_PS_MPLS_NORMAL_5TUPLE_IP4, 98 VCAP_IS0_PS_MPLS_PURE_5TUPLE_IP4, 99 VCAP_IS0_PS_MPLS_DBL_VID_IDX, 100 VCAP_IS0_PS_MPLS_ETAG, 101 VCAP_IS0_PS_MPLS_NO_LOOKUP, 102 }; 103 104 /* IS0 MBLS traffic type keyset generation */ 105 enum vcap_is0_port_sel_mlbs { 106 VCAP_IS0_PS_MLBS_FOLLOW_ETYPE, 107 VCAP_IS0_PS_MLBS_SGL_MLBS, 108 VCAP_IS0_PS_MLBS_DBL_MLBS, 109 VCAP_IS0_PS_MLBS_TRI_MLBS, 110 VCAP_IS0_PS_MLBS_NO_LOOKUP = 17, 111 }; 112 113 /* IS2 port keyset selection control */ 114 115 /* IS2 non-ethernet traffic type keyset generation */ 116 enum vcap_is2_port_sel_noneth { 117 VCAP_IS2_PS_NONETH_MAC_ETYPE, 118 VCAP_IS2_PS_NONETH_CUSTOM_1, 119 VCAP_IS2_PS_NONETH_CUSTOM_2, 120 VCAP_IS2_PS_NONETH_NO_LOOKUP 121 }; 122 123 /* IS2 IPv4 unicast traffic type keyset generation */ 124 enum vcap_is2_port_sel_ipv4_uc { 125 VCAP_IS2_PS_IPV4_UC_MAC_ETYPE, 126 VCAP_IS2_PS_IPV4_UC_IP4_TCP_UDP_OTHER, 127 VCAP_IS2_PS_IPV4_UC_IP_7TUPLE, 128 }; 129 130 /* IS2 IPv4 multicast traffic type keyset generation */ 131 enum vcap_is2_port_sel_ipv4_mc { 132 VCAP_IS2_PS_IPV4_MC_MAC_ETYPE, 133 VCAP_IS2_PS_IPV4_MC_IP4_TCP_UDP_OTHER, 134 VCAP_IS2_PS_IPV4_MC_IP_7TUPLE, 135 VCAP_IS2_PS_IPV4_MC_IP4_VID, 136 }; 137 138 /* IS2 IPv6 unicast traffic type keyset generation */ 139 enum vcap_is2_port_sel_ipv6_uc { 140 VCAP_IS2_PS_IPV6_UC_MAC_ETYPE, 141 VCAP_IS2_PS_IPV6_UC_IP_7TUPLE, 142 VCAP_IS2_PS_IPV6_UC_IP6_STD, 143 VCAP_IS2_PS_IPV6_UC_IP4_TCP_UDP_OTHER, 144 }; 145 146 /* IS2 IPv6 multicast traffic type keyset generation */ 147 enum vcap_is2_port_sel_ipv6_mc { 148 VCAP_IS2_PS_IPV6_MC_MAC_ETYPE, 149 VCAP_IS2_PS_IPV6_MC_IP_7TUPLE, 150 VCAP_IS2_PS_IPV6_MC_IP6_VID, 151 VCAP_IS2_PS_IPV6_MC_IP6_STD, 152 VCAP_IS2_PS_IPV6_MC_IP4_TCP_UDP_OTHER, 153 }; 154 155 /* IS2 ARP traffic type keyset generation */ 156 enum vcap_is2_port_sel_arp { 157 VCAP_IS2_PS_ARP_MAC_ETYPE, 158 VCAP_IS2_PS_ARP_ARP, 159 }; 160 161 /* ES0 port keyset selection control */ 162 163 /* ES0 Egress port traffic type classification */ 164 enum vcap_es0_port_sel { 165 VCAP_ES0_PS_NORMAL_SELECTION, 166 VCAP_ES0_PS_FORCE_ISDX_LOOKUPS, 167 VCAP_ES0_PS_FORCE_VID_LOOKUPS, 168 VCAP_ES0_PS_RESERVED, 169 }; 170 171 /* ES2 port keyset selection control */ 172 173 /* ES2 IPv4 traffic type keyset generation */ 174 enum vcap_es2_port_sel_ipv4 { 175 VCAP_ES2_PS_IPV4_MAC_ETYPE, 176 VCAP_ES2_PS_IPV4_IP_7TUPLE, 177 VCAP_ES2_PS_IPV4_IP4_TCP_UDP_VID, 178 VCAP_ES2_PS_IPV4_IP4_TCP_UDP_OTHER, 179 VCAP_ES2_PS_IPV4_IP4_VID, 180 VCAP_ES2_PS_IPV4_IP4_OTHER, 181 }; 182 183 /* ES2 IPv6 traffic type keyset generation */ 184 enum vcap_es2_port_sel_ipv6 { 185 VCAP_ES2_PS_IPV6_MAC_ETYPE, 186 VCAP_ES2_PS_IPV6_IP_7TUPLE, 187 VCAP_ES2_PS_IPV6_IP_7TUPLE_VID, 188 VCAP_ES2_PS_IPV6_IP_7TUPLE_STD, 189 VCAP_ES2_PS_IPV6_IP6_VID, 190 VCAP_ES2_PS_IPV6_IP6_STD, 191 VCAP_ES2_PS_IPV6_IP4_DOWNGRADE, 192 }; 193 194 /* ES2 ARP traffic type keyset generation */ 195 enum vcap_es2_port_sel_arp { 196 VCAP_ES2_PS_ARP_MAC_ETYPE, 197 VCAP_ES2_PS_ARP_ARP, 198 }; 199 200 /* Selects TPID for ES0 matching */ 201 enum SPX5_TPID_SEL { 202 SPX5_TPID_SEL_UNTAGGED, 203 SPX5_TPID_SEL_8100, 204 SPX5_TPID_SEL_UNUSED_0, 205 SPX5_TPID_SEL_UNUSED_1, 206 SPX5_TPID_SEL_88A8, 207 SPX5_TPID_SEL_TPIDCFG_1, 208 SPX5_TPID_SEL_TPIDCFG_2, 209 SPX5_TPID_SEL_TPIDCFG_3, 210 }; 211 212 /* Get the port keyset for the vcap lookup */ 213 int sparx5_vcap_get_port_keyset(struct net_device *ndev, 214 struct vcap_admin *admin, 215 int cid, 216 u16 l3_proto, 217 struct vcap_keyset_list *kslist); 218 219 /* Change the port keyset for the lookup and protocol */ 220 void sparx5_vcap_set_port_keyset(struct net_device *ndev, 221 struct vcap_admin *admin, int cid, 222 u16 l3_proto, enum vcap_keyfield_set keyset, 223 struct vcap_keyset_list *orig); 224 225 /* Check if the ethertype is supported by the vcap port classification */ 226 bool sparx5_vcap_is_known_etype(struct vcap_admin *admin, u16 etype); 227 228 #endif /* __SPARX5_VCAP_IMPL_H__ */ 229