1 /* 2 * Copyright (C) 2017 Netronome Systems, Inc. 3 * 4 * This software is dual licensed under the GNU General License Version 2, 5 * June 1991 as shown in the file COPYING in the top-level directory of this 6 * source tree or the BSD 2-Clause License provided below. You have the 7 * option to license this software under the complete terms of either license. 8 * 9 * The BSD 2-Clause License: 10 * 11 * Redistribution and use in source and binary forms, with or 12 * without modification, are permitted provided that the following 13 * conditions are met: 14 * 15 * 1. Redistributions of source code must retain the above 16 * copyright notice, this list of conditions and the following 17 * disclaimer. 18 * 19 * 2. Redistributions in binary form must reproduce the above 20 * copyright notice, this list of conditions and the following 21 * disclaimer in the documentation and/or other materials 22 * provided with the distribution. 23 * 24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 25 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 26 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 27 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 28 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 29 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 30 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 31 * SOFTWARE. 32 */ 33 34 #ifndef NFP_FLOWER_CMSG_H 35 #define NFP_FLOWER_CMSG_H 36 37 #include <linux/bitfield.h> 38 #include <linux/skbuff.h> 39 #include <linux/types.h> 40 41 #include "../nfp_app.h" 42 #include "../nfpcore/nfp_cpp.h" 43 44 #define NFP_FLOWER_LAYER_EXT_META BIT(0) 45 #define NFP_FLOWER_LAYER_PORT BIT(1) 46 #define NFP_FLOWER_LAYER_MAC BIT(2) 47 #define NFP_FLOWER_LAYER_TP BIT(3) 48 #define NFP_FLOWER_LAYER_IPV4 BIT(4) 49 #define NFP_FLOWER_LAYER_IPV6 BIT(5) 50 #define NFP_FLOWER_LAYER_CT BIT(6) 51 #define NFP_FLOWER_LAYER_VXLAN BIT(7) 52 53 #define NFP_FLOWER_LAYER2_GENEVE BIT(5) 54 55 #define NFP_FLOWER_MASK_VLAN_PRIO GENMASK(15, 13) 56 #define NFP_FLOWER_MASK_VLAN_CFI BIT(12) 57 #define NFP_FLOWER_MASK_VLAN_VID GENMASK(11, 0) 58 59 #define NFP_FLOWER_MASK_MPLS_LB GENMASK(31, 12) 60 #define NFP_FLOWER_MASK_MPLS_TC GENMASK(11, 9) 61 #define NFP_FLOWER_MASK_MPLS_BOS BIT(8) 62 #define NFP_FLOWER_MASK_MPLS_Q BIT(0) 63 64 #define NFP_FL_IP_FRAG_FIRST BIT(7) 65 #define NFP_FL_IP_FRAGMENTED BIT(6) 66 67 /* Compressed HW representation of TCP Flags */ 68 #define NFP_FL_TCP_FLAG_URG BIT(4) 69 #define NFP_FL_TCP_FLAG_PSH BIT(3) 70 #define NFP_FL_TCP_FLAG_RST BIT(2) 71 #define NFP_FL_TCP_FLAG_SYN BIT(1) 72 #define NFP_FL_TCP_FLAG_FIN BIT(0) 73 74 #define NFP_FL_SC_ACT_DROP 0x80000000 75 #define NFP_FL_SC_ACT_USER 0x7D000000 76 #define NFP_FL_SC_ACT_POPV 0x6A000000 77 #define NFP_FL_SC_ACT_NULL 0x00000000 78 79 /* The maximum action list size (in bytes) supported by the NFP. 80 */ 81 #define NFP_FL_MAX_A_SIZ 1216 82 #define NFP_FL_LW_SIZ 2 83 84 /* Action opcodes */ 85 #define NFP_FL_ACTION_OPCODE_OUTPUT 0 86 #define NFP_FL_ACTION_OPCODE_PUSH_VLAN 1 87 #define NFP_FL_ACTION_OPCODE_POP_VLAN 2 88 #define NFP_FL_ACTION_OPCODE_SET_IPV4_TUNNEL 6 89 #define NFP_FL_ACTION_OPCODE_SET_ETHERNET 7 90 #define NFP_FL_ACTION_OPCODE_SET_IPV4_ADDRS 9 91 #define NFP_FL_ACTION_OPCODE_SET_IPV6_SRC 11 92 #define NFP_FL_ACTION_OPCODE_SET_IPV6_DST 12 93 #define NFP_FL_ACTION_OPCODE_SET_UDP 14 94 #define NFP_FL_ACTION_OPCODE_SET_TCP 15 95 #define NFP_FL_ACTION_OPCODE_PRE_TUNNEL 17 96 #define NFP_FL_ACTION_OPCODE_NUM 32 97 98 #define NFP_FL_OUT_FLAGS_LAST BIT(15) 99 #define NFP_FL_OUT_FLAGS_USE_TUN BIT(4) 100 #define NFP_FL_OUT_FLAGS_TYPE_IDX GENMASK(2, 0) 101 102 #define NFP_FL_PUSH_VLAN_PRIO GENMASK(15, 13) 103 #define NFP_FL_PUSH_VLAN_CFI BIT(12) 104 #define NFP_FL_PUSH_VLAN_VID GENMASK(11, 0) 105 106 /* Tunnel ports */ 107 #define NFP_FL_PORT_TYPE_TUN 0x50000000 108 #define NFP_FL_IPV4_TUNNEL_TYPE GENMASK(7, 4) 109 #define NFP_FL_IPV4_PRE_TUN_INDEX GENMASK(2, 0) 110 111 #define NFP_FLOWER_WORKQ_MAX_SKBS 30000 112 113 #define nfp_flower_cmsg_warn(app, fmt, args...) \ 114 do { \ 115 if (net_ratelimit()) \ 116 nfp_warn((app)->cpp, fmt, ## args); \ 117 } while (0) 118 119 enum nfp_flower_tun_type { 120 NFP_FL_TUNNEL_NONE = 0, 121 NFP_FL_TUNNEL_VXLAN = 2, 122 NFP_FL_TUNNEL_GENEVE = 4, 123 }; 124 125 struct nfp_fl_act_head { 126 u8 jump_id; 127 u8 len_lw; 128 }; 129 130 struct nfp_fl_set_eth { 131 struct nfp_fl_act_head head; 132 __be16 reserved; 133 u8 eth_addr_mask[ETH_ALEN * 2]; 134 u8 eth_addr_val[ETH_ALEN * 2]; 135 }; 136 137 struct nfp_fl_set_ip4_addrs { 138 struct nfp_fl_act_head head; 139 __be16 reserved; 140 __be32 ipv4_src_mask; 141 __be32 ipv4_src; 142 __be32 ipv4_dst_mask; 143 __be32 ipv4_dst; 144 }; 145 146 struct nfp_fl_set_ipv6_addr { 147 struct nfp_fl_act_head head; 148 __be16 reserved; 149 struct { 150 __be32 mask; 151 __be32 exact; 152 } ipv6[4]; 153 }; 154 155 struct nfp_fl_set_tport { 156 struct nfp_fl_act_head head; 157 __be16 reserved; 158 u8 tp_port_mask[4]; 159 u8 tp_port_val[4]; 160 }; 161 162 struct nfp_fl_output { 163 struct nfp_fl_act_head head; 164 __be16 flags; 165 __be32 port; 166 }; 167 168 struct nfp_fl_push_vlan { 169 struct nfp_fl_act_head head; 170 __be16 reserved; 171 __be16 vlan_tpid; 172 __be16 vlan_tci; 173 }; 174 175 struct nfp_fl_pop_vlan { 176 struct nfp_fl_act_head head; 177 __be16 reserved; 178 }; 179 180 struct nfp_fl_pre_tunnel { 181 struct nfp_fl_act_head head; 182 __be16 reserved; 183 __be32 ipv4_dst; 184 /* reserved for use with IPv6 addresses */ 185 __be32 extra[3]; 186 }; 187 188 struct nfp_fl_set_ipv4_udp_tun { 189 struct nfp_fl_act_head head; 190 __be16 reserved; 191 __be64 tun_id __packed; 192 __be32 tun_type_index; 193 __be16 reserved2; 194 u8 ttl; 195 u8 reserved3; 196 __be32 extra[2]; 197 }; 198 199 /* Metadata with L2 (1W/4B) 200 * ---------------------------------------------------------------- 201 * 3 2 1 202 * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 203 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 204 * | key_type | mask_id | PCP |p| vlan outermost VID | 205 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 206 * ^ ^ 207 * NOTE: | TCI | 208 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 209 */ 210 struct nfp_flower_meta_tci { 211 u8 nfp_flow_key_layer; 212 u8 mask_id; 213 __be16 tci; 214 }; 215 216 /* Extended metadata for additional key_layers (1W/4B) 217 * ---------------------------------------------------------------- 218 * 3 2 1 219 * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 220 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 221 * | nfp_flow_key_layer2 | 222 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 223 */ 224 struct nfp_flower_ext_meta { 225 __be32 nfp_flow_key_layer2; 226 }; 227 228 /* Port details (1W/4B) 229 * ---------------------------------------------------------------- 230 * 3 2 1 231 * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 232 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 233 * | port_ingress | 234 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 235 */ 236 struct nfp_flower_in_port { 237 __be32 in_port; 238 }; 239 240 /* L2 details (4W/16B) 241 * 3 2 1 242 * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 243 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 244 * | mac_addr_dst, 31 - 0 | 245 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 246 * | mac_addr_dst, 47 - 32 | mac_addr_src, 15 - 0 | 247 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 248 * | mac_addr_src, 47 - 16 | 249 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 250 * | mpls outermost label | TC |B| reserved |q| 251 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 252 */ 253 struct nfp_flower_mac_mpls { 254 u8 mac_dst[6]; 255 u8 mac_src[6]; 256 __be32 mpls_lse; 257 }; 258 259 /* L4 ports (for UDP, TCP, SCTP) (1W/4B) 260 * 3 2 1 261 * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 262 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 263 * | port_src | port_dst | 264 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 265 */ 266 struct nfp_flower_tp_ports { 267 __be16 port_src; 268 __be16 port_dst; 269 }; 270 271 struct nfp_flower_ip_ext { 272 u8 tos; 273 u8 proto; 274 u8 ttl; 275 u8 flags; 276 }; 277 278 /* L3 IPv4 details (3W/12B) 279 * 3 2 1 280 * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 281 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 282 * | DSCP |ECN| protocol | ttl | flags | 283 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 284 * | ipv4_addr_src | 285 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 286 * | ipv4_addr_dst | 287 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 288 */ 289 struct nfp_flower_ipv4 { 290 struct nfp_flower_ip_ext ip_ext; 291 __be32 ipv4_src; 292 __be32 ipv4_dst; 293 }; 294 295 /* L3 IPv6 details (10W/40B) 296 * 3 2 1 297 * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 298 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 299 * | DSCP |ECN| protocol | ttl | flags | 300 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 301 * | ipv6_exthdr | res | ipv6_flow_label | 302 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 303 * | ipv6_addr_src, 31 - 0 | 304 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 305 * | ipv6_addr_src, 63 - 32 | 306 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 307 * | ipv6_addr_src, 95 - 64 | 308 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 309 * | ipv6_addr_src, 127 - 96 | 310 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 311 * | ipv6_addr_dst, 31 - 0 | 312 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 313 * | ipv6_addr_dst, 63 - 32 | 314 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 315 * | ipv6_addr_dst, 95 - 64 | 316 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 317 * | ipv6_addr_dst, 127 - 96 | 318 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 319 */ 320 struct nfp_flower_ipv6 { 321 struct nfp_flower_ip_ext ip_ext; 322 __be32 ipv6_flow_label_exthdr; 323 struct in6_addr ipv6_src; 324 struct in6_addr ipv6_dst; 325 }; 326 327 /* Flow Frame IPv4 UDP TUNNEL --> Tunnel details (4W/16B) 328 * ----------------------------------------------------------------- 329 * 3 2 1 330 * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 331 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 332 * | ipv4_addr_src | 333 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 334 * | ipv4_addr_dst | 335 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 336 * | Reserved | 337 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 338 * | Reserved | 339 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 340 * | VNI | Reserved | 341 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 342 */ 343 struct nfp_flower_ipv4_udp_tun { 344 __be32 ip_src; 345 __be32 ip_dst; 346 __be32 reserved[2]; 347 __be32 tun_id; 348 }; 349 350 #define NFP_FL_TUN_VNI_OFFSET 8 351 352 /* The base header for a control message packet. 353 * Defines an 8-bit version, and an 8-bit type, padded 354 * to a 32-bit word. Rest of the packet is type-specific. 355 */ 356 struct nfp_flower_cmsg_hdr { 357 __be16 pad; 358 u8 type; 359 u8 version; 360 }; 361 362 #define NFP_FLOWER_CMSG_HLEN sizeof(struct nfp_flower_cmsg_hdr) 363 #define NFP_FLOWER_CMSG_VER1 1 364 365 /* Types defined for port related control messages */ 366 enum nfp_flower_cmsg_type_port { 367 NFP_FLOWER_CMSG_TYPE_FLOW_ADD = 0, 368 NFP_FLOWER_CMSG_TYPE_FLOW_DEL = 2, 369 NFP_FLOWER_CMSG_TYPE_PORT_REIFY = 6, 370 NFP_FLOWER_CMSG_TYPE_MAC_REPR = 7, 371 NFP_FLOWER_CMSG_TYPE_PORT_MOD = 8, 372 NFP_FLOWER_CMSG_TYPE_NO_NEIGH = 10, 373 NFP_FLOWER_CMSG_TYPE_TUN_MAC = 11, 374 NFP_FLOWER_CMSG_TYPE_ACTIVE_TUNS = 12, 375 NFP_FLOWER_CMSG_TYPE_TUN_NEIGH = 13, 376 NFP_FLOWER_CMSG_TYPE_TUN_IPS = 14, 377 NFP_FLOWER_CMSG_TYPE_FLOW_STATS = 15, 378 NFP_FLOWER_CMSG_TYPE_PORT_ECHO = 16, 379 NFP_FLOWER_CMSG_TYPE_MAX = 32, 380 }; 381 382 /* NFP_FLOWER_CMSG_TYPE_MAC_REPR */ 383 struct nfp_flower_cmsg_mac_repr { 384 u8 reserved[3]; 385 u8 num_ports; 386 struct { 387 u8 idx; 388 u8 info; 389 u8 nbi_port; 390 u8 phys_port; 391 } ports[0]; 392 }; 393 394 #define NFP_FLOWER_CMSG_MAC_REPR_NBI GENMASK(1, 0) 395 396 /* NFP_FLOWER_CMSG_TYPE_PORT_MOD */ 397 struct nfp_flower_cmsg_portmod { 398 __be32 portnum; 399 u8 reserved; 400 u8 info; 401 __be16 mtu; 402 }; 403 404 #define NFP_FLOWER_CMSG_PORTMOD_INFO_LINK BIT(0) 405 #define NFP_FLOWER_CMSG_PORTMOD_MTU_CHANGE_ONLY BIT(1) 406 407 /* NFP_FLOWER_CMSG_TYPE_PORT_REIFY */ 408 struct nfp_flower_cmsg_portreify { 409 __be32 portnum; 410 u16 reserved; 411 __be16 info; 412 }; 413 414 #define NFP_FLOWER_CMSG_PORTREIFY_INFO_EXIST BIT(0) 415 416 enum nfp_flower_cmsg_port_type { 417 NFP_FLOWER_CMSG_PORT_TYPE_UNSPEC = 0x0, 418 NFP_FLOWER_CMSG_PORT_TYPE_PHYS_PORT = 0x1, 419 NFP_FLOWER_CMSG_PORT_TYPE_PCIE_PORT = 0x2, 420 NFP_FLOWER_CMSG_PORT_TYPE_OTHER_PORT = 0x3, 421 }; 422 423 enum nfp_flower_cmsg_port_vnic_type { 424 NFP_FLOWER_CMSG_PORT_VNIC_TYPE_VF = 0x0, 425 NFP_FLOWER_CMSG_PORT_VNIC_TYPE_PF = 0x1, 426 NFP_FLOWER_CMSG_PORT_VNIC_TYPE_CTRL = 0x2, 427 }; 428 429 #define NFP_FLOWER_CMSG_PORT_TYPE GENMASK(31, 28) 430 #define NFP_FLOWER_CMSG_PORT_SYS_ID GENMASK(27, 24) 431 #define NFP_FLOWER_CMSG_PORT_NFP_ID GENMASK(23, 22) 432 #define NFP_FLOWER_CMSG_PORT_PCI GENMASK(15, 14) 433 #define NFP_FLOWER_CMSG_PORT_VNIC_TYPE GENMASK(13, 12) 434 #define NFP_FLOWER_CMSG_PORT_VNIC GENMASK(11, 6) 435 #define NFP_FLOWER_CMSG_PORT_PCIE_Q GENMASK(5, 0) 436 #define NFP_FLOWER_CMSG_PORT_PHYS_PORT_NUM GENMASK(7, 0) 437 438 static inline u32 nfp_flower_cmsg_phys_port(u8 phys_port) 439 { 440 return FIELD_PREP(NFP_FLOWER_CMSG_PORT_PHYS_PORT_NUM, phys_port) | 441 FIELD_PREP(NFP_FLOWER_CMSG_PORT_TYPE, 442 NFP_FLOWER_CMSG_PORT_TYPE_PHYS_PORT); 443 } 444 445 static inline u32 446 nfp_flower_cmsg_pcie_port(u8 nfp_pcie, enum nfp_flower_cmsg_port_vnic_type type, 447 u8 vnic, u8 q) 448 { 449 return FIELD_PREP(NFP_FLOWER_CMSG_PORT_PCI, nfp_pcie) | 450 FIELD_PREP(NFP_FLOWER_CMSG_PORT_VNIC_TYPE, type) | 451 FIELD_PREP(NFP_FLOWER_CMSG_PORT_VNIC, vnic) | 452 FIELD_PREP(NFP_FLOWER_CMSG_PORT_PCIE_Q, q) | 453 FIELD_PREP(NFP_FLOWER_CMSG_PORT_TYPE, 454 NFP_FLOWER_CMSG_PORT_TYPE_PCIE_PORT); 455 } 456 457 static inline void *nfp_flower_cmsg_get_data(struct sk_buff *skb) 458 { 459 return (unsigned char *)skb->data + NFP_FLOWER_CMSG_HLEN; 460 } 461 462 static inline int nfp_flower_cmsg_get_data_len(struct sk_buff *skb) 463 { 464 return skb->len - NFP_FLOWER_CMSG_HLEN; 465 } 466 467 struct sk_buff * 468 nfp_flower_cmsg_mac_repr_start(struct nfp_app *app, unsigned int num_ports); 469 void 470 nfp_flower_cmsg_mac_repr_add(struct sk_buff *skb, unsigned int idx, 471 unsigned int nbi, unsigned int nbi_port, 472 unsigned int phys_port); 473 int nfp_flower_cmsg_portmod(struct nfp_repr *repr, bool carrier_ok, 474 unsigned int mtu, bool mtu_only); 475 int nfp_flower_cmsg_portreify(struct nfp_repr *repr, bool exists); 476 void nfp_flower_cmsg_process_rx(struct work_struct *work); 477 void nfp_flower_cmsg_rx(struct nfp_app *app, struct sk_buff *skb); 478 struct sk_buff * 479 nfp_flower_cmsg_alloc(struct nfp_app *app, unsigned int size, 480 enum nfp_flower_cmsg_type_port type, gfp_t flag); 481 482 #endif 483