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_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_LAYER_ETHER BIT(3) 54 #define NFP_FLOWER_LAYER_ARP BIT(4) 55 56 #define NFP_FLOWER_MASK_VLAN_PRIO GENMASK(15, 13) 57 #define NFP_FLOWER_MASK_VLAN_CFI BIT(12) 58 #define NFP_FLOWER_MASK_VLAN_VID GENMASK(11, 0) 59 60 #define NFP_FLOWER_MASK_MPLS_LB GENMASK(31, 12) 61 #define NFP_FLOWER_MASK_MPLS_TC GENMASK(11, 9) 62 #define NFP_FLOWER_MASK_MPLS_BOS BIT(8) 63 #define NFP_FLOWER_MASK_MPLS_Q BIT(0) 64 65 #define NFP_FL_SC_ACT_DROP 0x80000000 66 #define NFP_FL_SC_ACT_USER 0x7D000000 67 #define NFP_FL_SC_ACT_POPV 0x6A000000 68 #define NFP_FL_SC_ACT_NULL 0x00000000 69 70 /* The maximum action list size (in bytes) supported by the NFP. 71 */ 72 #define NFP_FL_MAX_A_SIZ 1216 73 #define NFP_FL_LW_SIZ 2 74 75 /* Action opcodes */ 76 #define NFP_FL_ACTION_OPCODE_OUTPUT 0 77 #define NFP_FL_ACTION_OPCODE_PUSH_VLAN 1 78 #define NFP_FL_ACTION_OPCODE_POP_VLAN 2 79 #define NFP_FL_ACTION_OPCODE_SET_IPV4_TUNNEL 6 80 #define NFP_FL_ACTION_OPCODE_SET_ETHERNET 7 81 #define NFP_FL_ACTION_OPCODE_SET_IPV4_ADDRS 9 82 #define NFP_FL_ACTION_OPCODE_SET_IPV6_SRC 11 83 #define NFP_FL_ACTION_OPCODE_SET_IPV6_DST 12 84 #define NFP_FL_ACTION_OPCODE_SET_UDP 14 85 #define NFP_FL_ACTION_OPCODE_SET_TCP 15 86 #define NFP_FL_ACTION_OPCODE_PRE_TUNNEL 17 87 #define NFP_FL_ACTION_OPCODE_NUM 32 88 89 #define NFP_FL_OUT_FLAGS_LAST BIT(15) 90 #define NFP_FL_OUT_FLAGS_USE_TUN BIT(4) 91 #define NFP_FL_OUT_FLAGS_TYPE_IDX GENMASK(2, 0) 92 93 #define NFP_FL_PUSH_VLAN_PRIO GENMASK(15, 13) 94 #define NFP_FL_PUSH_VLAN_CFI BIT(12) 95 #define NFP_FL_PUSH_VLAN_VID GENMASK(11, 0) 96 97 /* Tunnel ports */ 98 #define NFP_FL_PORT_TYPE_TUN 0x50000000 99 #define NFP_FL_IPV4_TUNNEL_TYPE GENMASK(7, 4) 100 #define NFP_FL_IPV4_PRE_TUN_INDEX GENMASK(2, 0) 101 102 #define nfp_flower_cmsg_warn(app, fmt, args...) \ 103 do { \ 104 if (net_ratelimit()) \ 105 nfp_warn((app)->cpp, fmt, ## args); \ 106 } while (0) 107 108 enum nfp_flower_tun_type { 109 NFP_FL_TUNNEL_NONE = 0, 110 NFP_FL_TUNNEL_VXLAN = 2, 111 }; 112 113 struct nfp_fl_act_head { 114 u8 jump_id; 115 u8 len_lw; 116 }; 117 118 struct nfp_fl_set_eth { 119 struct nfp_fl_act_head head; 120 __be16 reserved; 121 u8 eth_addr_mask[ETH_ALEN * 2]; 122 u8 eth_addr_val[ETH_ALEN * 2]; 123 }; 124 125 struct nfp_fl_set_ip4_addrs { 126 struct nfp_fl_act_head head; 127 __be16 reserved; 128 __be32 ipv4_src_mask; 129 __be32 ipv4_src; 130 __be32 ipv4_dst_mask; 131 __be32 ipv4_dst; 132 }; 133 134 struct nfp_fl_set_ipv6_addr { 135 struct nfp_fl_act_head head; 136 __be16 reserved; 137 struct { 138 __be32 mask; 139 __be32 exact; 140 } ipv6[4]; 141 }; 142 143 struct nfp_fl_set_tport { 144 struct nfp_fl_act_head head; 145 __be16 reserved; 146 u8 tp_port_mask[4]; 147 u8 tp_port_val[4]; 148 }; 149 150 struct nfp_fl_output { 151 struct nfp_fl_act_head head; 152 __be16 flags; 153 __be32 port; 154 }; 155 156 struct nfp_fl_push_vlan { 157 struct nfp_fl_act_head head; 158 __be16 reserved; 159 __be16 vlan_tpid; 160 __be16 vlan_tci; 161 }; 162 163 struct nfp_fl_pop_vlan { 164 struct nfp_fl_act_head head; 165 __be16 reserved; 166 }; 167 168 /* Metadata without L2 (1W/4B) 169 * ---------------------------------------------------------------- 170 * 3 2 1 171 * 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 0 172 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 173 * | key_layers | mask_id | reserved | 174 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 175 */ 176 struct nfp_flower_meta_one { 177 u8 nfp_flow_key_layer; 178 u8 mask_id; 179 u16 reserved; 180 }; 181 182 struct nfp_fl_pre_tunnel { 183 struct nfp_fl_act_head head; 184 __be16 reserved; 185 __be32 ipv4_dst; 186 /* reserved for use with IPv6 addresses */ 187 __be32 extra[3]; 188 }; 189 190 struct nfp_fl_set_vxlan { 191 struct nfp_fl_act_head head; 192 __be16 reserved; 193 __be64 tun_id; 194 __be32 tun_type_index; 195 __be16 tun_flags; 196 u8 ipv4_ttl; 197 u8 ipv4_tos; 198 __be32 extra[2]; 199 } __packed; 200 201 /* Metadata with L2 (1W/4B) 202 * ---------------------------------------------------------------- 203 * 3 2 1 204 * 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 0 205 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 206 * | key_type | mask_id | PCP |p| vlan outermost VID | 207 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 208 * ^ ^ 209 * NOTE: | TCI | 210 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 211 */ 212 struct nfp_flower_meta_two { 213 u8 nfp_flow_key_layer; 214 u8 mask_id; 215 __be16 tci; 216 }; 217 218 /* Port details (1W/4B) 219 * ---------------------------------------------------------------- 220 * 3 2 1 221 * 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 0 222 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 223 * | port_ingress | 224 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 225 */ 226 struct nfp_flower_in_port { 227 __be32 in_port; 228 }; 229 230 /* L2 details (4W/16B) 231 * 3 2 1 232 * 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 0 233 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 234 * | mac_addr_dst, 31 - 0 | 235 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 236 * | mac_addr_dst, 47 - 32 | mac_addr_src, 15 - 0 | 237 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 238 * | mac_addr_src, 47 - 16 | 239 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 240 * | mpls outermost label | TC |B| reserved |q| 241 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 242 */ 243 struct nfp_flower_mac_mpls { 244 u8 mac_dst[6]; 245 u8 mac_src[6]; 246 __be32 mpls_lse; 247 }; 248 249 /* L4 ports (for UDP, TCP, SCTP) (1W/4B) 250 * 3 2 1 251 * 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 0 252 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 253 * | port_src | port_dst | 254 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 255 */ 256 struct nfp_flower_tp_ports { 257 __be16 port_src; 258 __be16 port_dst; 259 }; 260 261 /* L3 IPv4 details (3W/12B) 262 * 3 2 1 263 * 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 0 264 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 265 * | DSCP |ECN| protocol | reserved | 266 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 267 * | ipv4_addr_src | 268 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 269 * | ipv4_addr_dst | 270 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 271 */ 272 struct nfp_flower_ipv4 { 273 u8 tos; 274 u8 proto; 275 u8 ttl; 276 u8 reserved; 277 __be32 ipv4_src; 278 __be32 ipv4_dst; 279 }; 280 281 /* L3 IPv6 details (10W/40B) 282 * 3 2 1 283 * 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 0 284 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 285 * | DSCP |ECN| protocol | reserved | 286 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 287 * | ipv6_exthdr | res | ipv6_flow_label | 288 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 289 * | ipv6_addr_src, 31 - 0 | 290 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 291 * | ipv6_addr_src, 63 - 32 | 292 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 293 * | ipv6_addr_src, 95 - 64 | 294 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 295 * | ipv6_addr_src, 127 - 96 | 296 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 297 * | ipv6_addr_dst, 31 - 0 | 298 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 299 * | ipv6_addr_dst, 63 - 32 | 300 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 301 * | ipv6_addr_dst, 95 - 64 | 302 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 303 * | ipv6_addr_dst, 127 - 96 | 304 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 305 */ 306 struct nfp_flower_ipv6 { 307 u8 tos; 308 u8 proto; 309 u8 ttl; 310 u8 reserved; 311 __be32 ipv6_flow_label_exthdr; 312 struct in6_addr ipv6_src; 313 struct in6_addr ipv6_dst; 314 }; 315 316 /* Flow Frame VXLAN --> Tunnel details (4W/16B) 317 * ----------------------------------------------------------------- 318 * 3 2 1 319 * 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 0 320 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 321 * | ipv4_addr_src | 322 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 323 * | ipv4_addr_dst | 324 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 325 * | tun_flags | tos | ttl | 326 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 327 * | gpe_flags | Reserved | Next Protocol | 328 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 329 * | VNI | Reserved | 330 * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 331 */ 332 struct nfp_flower_vxlan { 333 __be32 ip_src; 334 __be32 ip_dst; 335 __be16 tun_flags; 336 u8 tos; 337 u8 ttl; 338 u8 gpe_flags; 339 u8 reserved[2]; 340 u8 nxt_proto; 341 __be32 tun_id; 342 }; 343 344 #define NFP_FL_TUN_VNI_OFFSET 8 345 346 /* The base header for a control message packet. 347 * Defines an 8-bit version, and an 8-bit type, padded 348 * to a 32-bit word. Rest of the packet is type-specific. 349 */ 350 struct nfp_flower_cmsg_hdr { 351 __be16 pad; 352 u8 type; 353 u8 version; 354 }; 355 356 #define NFP_FLOWER_CMSG_HLEN sizeof(struct nfp_flower_cmsg_hdr) 357 #define NFP_FLOWER_CMSG_VER1 1 358 359 /* Types defined for port related control messages */ 360 enum nfp_flower_cmsg_type_port { 361 NFP_FLOWER_CMSG_TYPE_FLOW_ADD = 0, 362 NFP_FLOWER_CMSG_TYPE_FLOW_DEL = 2, 363 NFP_FLOWER_CMSG_TYPE_MAC_REPR = 7, 364 NFP_FLOWER_CMSG_TYPE_PORT_MOD = 8, 365 NFP_FLOWER_CMSG_TYPE_NO_NEIGH = 10, 366 NFP_FLOWER_CMSG_TYPE_TUN_MAC = 11, 367 NFP_FLOWER_CMSG_TYPE_ACTIVE_TUNS = 12, 368 NFP_FLOWER_CMSG_TYPE_TUN_NEIGH = 13, 369 NFP_FLOWER_CMSG_TYPE_TUN_IPS = 14, 370 NFP_FLOWER_CMSG_TYPE_FLOW_STATS = 15, 371 NFP_FLOWER_CMSG_TYPE_PORT_ECHO = 16, 372 NFP_FLOWER_CMSG_TYPE_MAX = 32, 373 }; 374 375 /* NFP_FLOWER_CMSG_TYPE_MAC_REPR */ 376 struct nfp_flower_cmsg_mac_repr { 377 u8 reserved[3]; 378 u8 num_ports; 379 struct { 380 u8 idx; 381 u8 info; 382 u8 nbi_port; 383 u8 phys_port; 384 } ports[0]; 385 }; 386 387 #define NFP_FLOWER_CMSG_MAC_REPR_NBI GENMASK(1, 0) 388 389 /* NFP_FLOWER_CMSG_TYPE_PORT_MOD */ 390 struct nfp_flower_cmsg_portmod { 391 __be32 portnum; 392 u8 reserved; 393 u8 info; 394 __be16 mtu; 395 }; 396 397 #define NFP_FLOWER_CMSG_PORTMOD_INFO_LINK BIT(0) 398 399 enum nfp_flower_cmsg_port_type { 400 NFP_FLOWER_CMSG_PORT_TYPE_UNSPEC = 0x0, 401 NFP_FLOWER_CMSG_PORT_TYPE_PHYS_PORT = 0x1, 402 NFP_FLOWER_CMSG_PORT_TYPE_PCIE_PORT = 0x2, 403 NFP_FLOWER_CMSG_PORT_TYPE_OTHER_PORT = 0x3, 404 }; 405 406 enum nfp_flower_cmsg_port_vnic_type { 407 NFP_FLOWER_CMSG_PORT_VNIC_TYPE_VF = 0x0, 408 NFP_FLOWER_CMSG_PORT_VNIC_TYPE_PF = 0x1, 409 NFP_FLOWER_CMSG_PORT_VNIC_TYPE_CTRL = 0x2, 410 }; 411 412 #define NFP_FLOWER_CMSG_PORT_TYPE GENMASK(31, 28) 413 #define NFP_FLOWER_CMSG_PORT_SYS_ID GENMASK(27, 24) 414 #define NFP_FLOWER_CMSG_PORT_NFP_ID GENMASK(23, 22) 415 #define NFP_FLOWER_CMSG_PORT_PCI GENMASK(15, 14) 416 #define NFP_FLOWER_CMSG_PORT_VNIC_TYPE GENMASK(13, 12) 417 #define NFP_FLOWER_CMSG_PORT_VNIC GENMASK(11, 6) 418 #define NFP_FLOWER_CMSG_PORT_PCIE_Q GENMASK(5, 0) 419 #define NFP_FLOWER_CMSG_PORT_PHYS_PORT_NUM GENMASK(7, 0) 420 421 static inline u32 nfp_flower_cmsg_phys_port(u8 phys_port) 422 { 423 return FIELD_PREP(NFP_FLOWER_CMSG_PORT_PHYS_PORT_NUM, phys_port) | 424 FIELD_PREP(NFP_FLOWER_CMSG_PORT_TYPE, 425 NFP_FLOWER_CMSG_PORT_TYPE_PHYS_PORT); 426 } 427 428 static inline u32 429 nfp_flower_cmsg_pcie_port(u8 nfp_pcie, enum nfp_flower_cmsg_port_vnic_type type, 430 u8 vnic, u8 q) 431 { 432 return FIELD_PREP(NFP_FLOWER_CMSG_PORT_PCI, nfp_pcie) | 433 FIELD_PREP(NFP_FLOWER_CMSG_PORT_VNIC_TYPE, type) | 434 FIELD_PREP(NFP_FLOWER_CMSG_PORT_VNIC, vnic) | 435 FIELD_PREP(NFP_FLOWER_CMSG_PORT_PCIE_Q, q) | 436 FIELD_PREP(NFP_FLOWER_CMSG_PORT_TYPE, 437 NFP_FLOWER_CMSG_PORT_TYPE_PCIE_PORT); 438 } 439 440 static inline void *nfp_flower_cmsg_get_data(struct sk_buff *skb) 441 { 442 return (unsigned char *)skb->data + NFP_FLOWER_CMSG_HLEN; 443 } 444 445 static inline int nfp_flower_cmsg_get_data_len(struct sk_buff *skb) 446 { 447 return skb->len - NFP_FLOWER_CMSG_HLEN; 448 } 449 450 struct sk_buff * 451 nfp_flower_cmsg_mac_repr_start(struct nfp_app *app, unsigned int num_ports); 452 void 453 nfp_flower_cmsg_mac_repr_add(struct sk_buff *skb, unsigned int idx, 454 unsigned int nbi, unsigned int nbi_port, 455 unsigned int phys_port); 456 int nfp_flower_cmsg_portmod(struct nfp_repr *repr, bool carrier_ok); 457 void nfp_flower_cmsg_process_rx(struct work_struct *work); 458 void nfp_flower_cmsg_rx(struct nfp_app *app, struct sk_buff *skb); 459 struct sk_buff * 460 nfp_flower_cmsg_alloc(struct nfp_app *app, unsigned int size, 461 enum nfp_flower_cmsg_type_port type, gfp_t flag); 462 463 #endif 464