1 /* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ 2 /* Copyright (C) 2017-2018 Netronome Systems, Inc. */ 3 4 #ifndef __NFP_FLOWER_H__ 5 #define __NFP_FLOWER_H__ 1 6 7 #include "cmsg.h" 8 #include "../nfp_net.h" 9 10 #include <linux/circ_buf.h> 11 #include <linux/hashtable.h> 12 #include <linux/rhashtable.h> 13 #include <linux/time64.h> 14 #include <linux/types.h> 15 #include <net/flow_offload.h> 16 #include <net/pkt_cls.h> 17 #include <net/pkt_sched.h> 18 #include <net/tcp.h> 19 #include <linux/workqueue.h> 20 #include <linux/idr.h> 21 22 struct nfp_fl_pre_lag; 23 struct net_device; 24 struct nfp_app; 25 26 #define NFP_FL_STAT_ID_MU_NUM GENMASK(31, 22) 27 #define NFP_FL_STAT_ID_STAT GENMASK(21, 0) 28 29 #define NFP_FL_STATS_ELEM_RS sizeof_field(struct nfp_fl_stats_id, \ 30 init_unalloc) 31 #define NFP_FLOWER_MASK_ENTRY_RS 256 32 #define NFP_FLOWER_MASK_ELEMENT_RS 1 33 #define NFP_FLOWER_MASK_HASH_BITS 10 34 35 #define NFP_FLOWER_KEY_MAX_LW 32 36 37 #define NFP_FL_META_FLAG_MANAGE_MASK BIT(7) 38 39 #define NFP_FL_MASK_REUSE_TIME_NS 40000 40 #define NFP_FL_MASK_ID_LOCATION 1 41 42 /* Extra features bitmap. */ 43 #define NFP_FL_FEATS_GENEVE BIT(0) 44 #define NFP_FL_NBI_MTU_SETTING BIT(1) 45 #define NFP_FL_FEATS_GENEVE_OPT BIT(2) 46 #define NFP_FL_FEATS_VLAN_PCP BIT(3) 47 #define NFP_FL_FEATS_VF_RLIM BIT(4) 48 #define NFP_FL_FEATS_FLOW_MOD BIT(5) 49 #define NFP_FL_FEATS_PRE_TUN_RULES BIT(6) 50 #define NFP_FL_FEATS_IPV6_TUN BIT(7) 51 #define NFP_FL_FEATS_VLAN_QINQ BIT(8) 52 #define NFP_FL_FEATS_QOS_PPS BIT(9) 53 #define NFP_FL_FEATS_QOS_METER BIT(10) 54 #define NFP_FL_FEATS_DECAP_V2 BIT(11) 55 #define NFP_FL_FEATS_TUNNEL_NEIGH_LAG BIT(12) 56 #define NFP_FL_FEATS_HOST_ACK BIT(31) 57 58 #define NFP_FL_ENABLE_FLOW_MERGE BIT(0) 59 #define NFP_FL_ENABLE_LAG BIT(1) 60 61 #define NFP_FL_FEATS_HOST \ 62 (NFP_FL_FEATS_GENEVE | \ 63 NFP_FL_NBI_MTU_SETTING | \ 64 NFP_FL_FEATS_GENEVE_OPT | \ 65 NFP_FL_FEATS_VLAN_PCP | \ 66 NFP_FL_FEATS_VF_RLIM | \ 67 NFP_FL_FEATS_FLOW_MOD | \ 68 NFP_FL_FEATS_PRE_TUN_RULES | \ 69 NFP_FL_FEATS_IPV6_TUN | \ 70 NFP_FL_FEATS_VLAN_QINQ | \ 71 NFP_FL_FEATS_QOS_PPS | \ 72 NFP_FL_FEATS_QOS_METER | \ 73 NFP_FL_FEATS_DECAP_V2 | \ 74 NFP_FL_FEATS_TUNNEL_NEIGH_LAG) 75 76 struct nfp_fl_mask_id { 77 struct circ_buf mask_id_free_list; 78 ktime_t *last_used; 79 u8 init_unallocated; 80 }; 81 82 struct nfp_fl_stats_id { 83 struct circ_buf free_list; 84 u32 init_unalloc; 85 u8 repeated_em_count; 86 }; 87 88 /** 89 * struct nfp_fl_tunnel_offloads - priv data for tunnel offloads 90 * @offloaded_macs: Hashtable of the offloaded MAC addresses 91 * @ipv4_off_list: List of IPv4 addresses to offload 92 * @ipv6_off_list: List of IPv6 addresses to offload 93 * @ipv4_off_lock: Lock for the IPv4 address list 94 * @ipv6_off_lock: Lock for the IPv6 address list 95 * @mac_off_ids: IDA to manage id assignment for offloaded MACs 96 * @neigh_nb: Notifier to monitor neighbour state 97 */ 98 struct nfp_fl_tunnel_offloads { 99 struct rhashtable offloaded_macs; 100 struct list_head ipv4_off_list; 101 struct list_head ipv6_off_list; 102 struct mutex ipv4_off_lock; 103 struct mutex ipv6_off_lock; 104 struct ida mac_off_ids; 105 struct notifier_block neigh_nb; 106 }; 107 108 /** 109 * struct nfp_tun_neigh_lag - lag info 110 * @lag_version: lag version 111 * @lag_instance: lag instance 112 */ 113 struct nfp_tun_neigh_lag { 114 u8 lag_version[3]; 115 u8 lag_instance; 116 }; 117 118 /** 119 * struct nfp_tun_neigh - basic neighbour data 120 * @dst_addr: Destination MAC address 121 * @src_addr: Source MAC address 122 * @port_id: NFP port to output packet on - associated with source IPv4 123 */ 124 struct nfp_tun_neigh { 125 u8 dst_addr[ETH_ALEN]; 126 u8 src_addr[ETH_ALEN]; 127 __be32 port_id; 128 }; 129 130 /** 131 * struct nfp_tun_neigh_ext - extended neighbour data 132 * @vlan_tpid: VLAN_TPID match field 133 * @vlan_tci: VLAN_TCI match field 134 * @host_ctx: Host context ID to be saved here 135 */ 136 struct nfp_tun_neigh_ext { 137 __be16 vlan_tpid; 138 __be16 vlan_tci; 139 __be32 host_ctx; 140 }; 141 142 /** 143 * struct nfp_tun_neigh_v4 - neighbour/route entry on the NFP for IPv4 144 * @dst_ipv4: Destination IPv4 address 145 * @src_ipv4: Source IPv4 address 146 * @common: Neighbour/route common info 147 * @ext: Neighbour/route extended info 148 * @lag: lag port info 149 */ 150 struct nfp_tun_neigh_v4 { 151 __be32 dst_ipv4; 152 __be32 src_ipv4; 153 struct nfp_tun_neigh common; 154 struct nfp_tun_neigh_ext ext; 155 struct nfp_tun_neigh_lag lag; 156 }; 157 158 /** 159 * struct nfp_tun_neigh_v6 - neighbour/route entry on the NFP for IPv6 160 * @dst_ipv6: Destination IPv6 address 161 * @src_ipv6: Source IPv6 address 162 * @common: Neighbour/route common info 163 * @ext: Neighbour/route extended info 164 * @lag: lag port info 165 */ 166 struct nfp_tun_neigh_v6 { 167 struct in6_addr dst_ipv6; 168 struct in6_addr src_ipv6; 169 struct nfp_tun_neigh common; 170 struct nfp_tun_neigh_ext ext; 171 struct nfp_tun_neigh_lag lag; 172 }; 173 174 /** 175 * struct nfp_neigh_entry 176 * @neigh_cookie: Cookie for hashtable lookup 177 * @ht_node: rhash_head entry for hashtable 178 * @list_head: Needed as member of linked_nn_entries list 179 * @payload: The neighbour info payload 180 * @flow: Linked flow rule 181 * @is_ipv6: Flag to indicate if payload is ipv6 or ipv4 182 */ 183 struct nfp_neigh_entry { 184 unsigned long neigh_cookie; 185 struct rhash_head ht_node; 186 struct list_head list_head; 187 char *payload; 188 struct nfp_predt_entry *flow; 189 bool is_ipv6; 190 }; 191 192 /** 193 * struct nfp_predt_entry 194 * @list_head: List head to attach to predt_list 195 * @flow_pay: Direct link to flow_payload 196 * @nn_list: List of linked nfp_neigh_entries 197 */ 198 struct nfp_predt_entry { 199 struct list_head list_head; 200 struct nfp_fl_payload *flow_pay; 201 struct list_head nn_list; 202 }; 203 204 /** 205 * struct nfp_mtu_conf - manage MTU setting 206 * @portnum: NFP port number of repr with requested MTU change 207 * @requested_val: MTU value requested for repr 208 * @ack: Received ack that MTU has been correctly set 209 * @wait_q: Wait queue for MTU acknowledgements 210 * @lock: Lock for setting/reading MTU variables 211 */ 212 struct nfp_mtu_conf { 213 u32 portnum; 214 unsigned int requested_val; 215 bool ack; 216 wait_queue_head_t wait_q; 217 spinlock_t lock; 218 }; 219 220 /** 221 * struct nfp_fl_lag - Flower APP priv data for link aggregation 222 * @work: Work queue for writing configs to the HW 223 * @lock: Lock to protect lag_group_list 224 * @group_list: List of all master/slave groups offloaded 225 * @ida_handle: IDA to handle group ids 226 * @pkt_num: Incremented for each config packet sent 227 * @batch_ver: Incremented for each batch of config packets 228 * @global_inst: Instance allocator for groups 229 * @rst_cfg: Marker to reset HW LAG config 230 * @retrans_skbs: Cmsgs that could not be processed by HW and require 231 * retransmission 232 */ 233 struct nfp_fl_lag { 234 struct delayed_work work; 235 struct mutex lock; 236 struct list_head group_list; 237 struct ida ida_handle; 238 unsigned int pkt_num; 239 unsigned int batch_ver; 240 u8 global_inst; 241 bool rst_cfg; 242 struct sk_buff_head retrans_skbs; 243 }; 244 245 /** 246 * struct nfp_fl_internal_ports - Flower APP priv data for additional ports 247 * @port_ids: Assignment of ids to any additional ports 248 * @lock: Lock for extra ports list 249 */ 250 struct nfp_fl_internal_ports { 251 struct idr port_ids; 252 spinlock_t lock; 253 }; 254 255 /** 256 * struct nfp_flower_priv - Flower APP per-vNIC priv data 257 * @app: Back pointer to app 258 * @nn: Pointer to vNIC 259 * @mask_id_seed: Seed used for mask hash table 260 * @flower_version: HW version of flower 261 * @flower_ext_feats: Bitmap of extra features the HW supports 262 * @flower_en_feats: Bitmap of features enabled by HW 263 * @stats_ids: List of free stats ids 264 * @mask_ids: List of free mask ids 265 * @mask_table: Hash table used to store masks 266 * @stats_ring_size: Maximum number of allowed stats ids 267 * @flow_table: Hash table used to store flower rules 268 * @stats: Stored stats updates for flower rules 269 * @stats_lock: Lock for flower rule stats updates 270 * @stats_ctx_table: Hash table to map stats contexts to its flow rule 271 * @cmsg_work: Workqueue for control messages processing 272 * @cmsg_skbs_high: List of higher priority skbs for control message 273 * processing 274 * @cmsg_skbs_low: List of lower priority skbs for control message 275 * processing 276 * @tun: Tunnel offload data 277 * @reify_replies: atomically stores the number of replies received 278 * from firmware for repr reify 279 * @reify_wait_queue: wait queue for repr reify response counting 280 * @mtu_conf: Configuration of repr MTU value 281 * @nfp_lag: Link aggregation data block 282 * @indr_block_cb_priv: List of priv data passed to indirect block cbs 283 * @non_repr_priv: List of offloaded non-repr ports and their priv data 284 * @active_mem_unit: Current active memory unit for flower rules 285 * @total_mem_units: Total number of available memory units for flower rules 286 * @internal_ports: Internal port ids used in offloaded rules 287 * @qos_stats_work: Workqueue for qos stats processing 288 * @qos_rate_limiters: Current active qos rate limiters 289 * @qos_stats_lock: Lock on qos stats updates 290 * @meter_stats_lock: Lock on meter stats updates 291 * @meter_table: Hash table used to store the meter table 292 * @pre_tun_rule_cnt: Number of pre-tunnel rules offloaded 293 * @merge_table: Hash table to store merged flows 294 * @ct_zone_table: Hash table used to store the different zones 295 * @ct_zone_wc: Special zone entry for wildcarded zone matches 296 * @ct_map_table: Hash table used to referennce ct flows 297 * @predt_list: List to keep track of decap pretun flows 298 * @neigh_table: Table to keep track of neighbor entries 299 * @predt_lock: Lock to serialise predt/neigh table updates 300 * @nfp_fl_lock: Lock to protect the flow offload operation 301 */ 302 struct nfp_flower_priv { 303 struct nfp_app *app; 304 struct nfp_net *nn; 305 u32 mask_id_seed; 306 u64 flower_version; 307 u64 flower_ext_feats; 308 u8 flower_en_feats; 309 struct nfp_fl_stats_id stats_ids; 310 struct nfp_fl_mask_id mask_ids; 311 DECLARE_HASHTABLE(mask_table, NFP_FLOWER_MASK_HASH_BITS); 312 u32 stats_ring_size; 313 struct rhashtable flow_table; 314 struct nfp_fl_stats *stats; 315 spinlock_t stats_lock; /* lock stats */ 316 struct rhashtable stats_ctx_table; 317 struct work_struct cmsg_work; 318 struct sk_buff_head cmsg_skbs_high; 319 struct sk_buff_head cmsg_skbs_low; 320 struct nfp_fl_tunnel_offloads tun; 321 atomic_t reify_replies; 322 wait_queue_head_t reify_wait_queue; 323 struct nfp_mtu_conf mtu_conf; 324 struct nfp_fl_lag nfp_lag; 325 struct list_head indr_block_cb_priv; 326 struct list_head non_repr_priv; 327 unsigned int active_mem_unit; 328 unsigned int total_mem_units; 329 struct nfp_fl_internal_ports internal_ports; 330 struct delayed_work qos_stats_work; 331 unsigned int qos_rate_limiters; 332 spinlock_t qos_stats_lock; /* Protect the qos stats */ 333 struct mutex meter_stats_lock; /* Protect the meter stats */ 334 struct rhashtable meter_table; 335 int pre_tun_rule_cnt; 336 struct rhashtable merge_table; 337 struct rhashtable ct_zone_table; 338 struct nfp_fl_ct_zone_entry *ct_zone_wc; 339 struct rhashtable ct_map_table; 340 struct list_head predt_list; 341 struct rhashtable neigh_table; 342 spinlock_t predt_lock; /* Lock to serialise predt/neigh table updates */ 343 struct mutex nfp_fl_lock; /* Protect the flow operation */ 344 }; 345 346 /** 347 * struct nfp_fl_qos - Flower APP priv data for quality of service 348 * @netdev_port_id: NFP port number of repr with qos info 349 * @curr_stats: Currently stored stats updates for qos info 350 * @prev_stats: Previously stored updates for qos info 351 * @last_update: Stored time when last stats were updated 352 */ 353 struct nfp_fl_qos { 354 u32 netdev_port_id; 355 struct nfp_stat_pair curr_stats; 356 struct nfp_stat_pair prev_stats; 357 u64 last_update; 358 }; 359 360 /** 361 * struct nfp_flower_repr_priv - Flower APP per-repr priv data 362 * @nfp_repr: Back pointer to nfp_repr 363 * @lag_port_flags: Extended port flags to record lag state of repr 364 * @mac_offloaded: Flag indicating a MAC address is offloaded for repr 365 * @offloaded_mac_addr: MAC address that has been offloaded for repr 366 * @block_shared: Flag indicating if offload applies to shared blocks 367 * @mac_list: List entry of reprs that share the same offloaded MAC 368 * @qos_table: Stored info on filters implementing qos 369 * @on_bridge: Indicates if the repr is attached to a bridge 370 */ 371 struct nfp_flower_repr_priv { 372 struct nfp_repr *nfp_repr; 373 unsigned long lag_port_flags; 374 bool mac_offloaded; 375 u8 offloaded_mac_addr[ETH_ALEN]; 376 bool block_shared; 377 struct list_head mac_list; 378 struct nfp_fl_qos qos_table; 379 bool on_bridge; 380 }; 381 382 /** 383 * struct nfp_flower_non_repr_priv - Priv data for non-repr offloaded ports 384 * @list: List entry of offloaded reprs 385 * @netdev: Pointer to non-repr net_device 386 * @ref_count: Number of references held for this priv data 387 * @mac_offloaded: Flag indicating a MAC address is offloaded for device 388 * @offloaded_mac_addr: MAC address that has been offloaded for dev 389 */ 390 struct nfp_flower_non_repr_priv { 391 struct list_head list; 392 struct net_device *netdev; 393 int ref_count; 394 bool mac_offloaded; 395 u8 offloaded_mac_addr[ETH_ALEN]; 396 }; 397 398 struct nfp_fl_key_ls { 399 u32 key_layer_two; 400 u8 key_layer; 401 int key_size; 402 }; 403 404 struct nfp_fl_rule_metadata { 405 u8 key_len; 406 u8 mask_len; 407 u8 act_len; 408 u8 flags; 409 __be32 host_ctx_id; 410 __be64 host_cookie __packed; 411 __be64 flow_version __packed; 412 __be32 shortcut; 413 }; 414 415 struct nfp_fl_stats { 416 u64 pkts; 417 u64 bytes; 418 u64 used; 419 }; 420 421 /** 422 * struct nfp_ipv6_addr_entry - cached IPv6 addresses 423 * @ipv6_addr: IP address 424 * @ref_count: number of rules currently using this IP 425 * @list: list pointer 426 */ 427 struct nfp_ipv6_addr_entry { 428 struct in6_addr ipv6_addr; 429 int ref_count; 430 struct list_head list; 431 }; 432 433 struct nfp_fl_payload { 434 struct nfp_fl_rule_metadata meta; 435 unsigned long tc_flower_cookie; 436 struct rhash_head fl_node; 437 struct rcu_head rcu; 438 __be32 nfp_tun_ipv4_addr; 439 struct nfp_ipv6_addr_entry *nfp_tun_ipv6; 440 struct net_device *ingress_dev; 441 char *unmasked_data; 442 char *mask_data; 443 char *action_data; 444 struct list_head linked_flows; 445 bool in_hw; 446 struct { 447 struct nfp_predt_entry *predt; 448 struct net_device *dev; 449 __be16 vlan_tpid; 450 __be16 vlan_tci; 451 __be16 port_idx; 452 u8 loc_mac[ETH_ALEN]; 453 u8 rem_mac[ETH_ALEN]; 454 bool is_ipv6; 455 } pre_tun_rule; 456 }; 457 458 struct nfp_fl_payload_link { 459 /* A link contains a pointer to a merge flow and an associated sub_flow. 460 * Each merge flow will feature in 2 links to its underlying sub_flows. 461 * A sub_flow will have at least 1 link to a merge flow or more if it 462 * has been used to create multiple merge flows. 463 * 464 * For a merge flow, 'linked_flows' in its nfp_fl_payload struct lists 465 * all links to sub_flows (sub_flow.flow) via merge.list. 466 * For a sub_flow, 'linked_flows' gives all links to merge flows it has 467 * formed (merge_flow.flow) via sub_flow.list. 468 */ 469 struct { 470 struct list_head list; 471 struct nfp_fl_payload *flow; 472 } merge_flow, sub_flow; 473 }; 474 475 extern const struct rhashtable_params nfp_flower_table_params; 476 extern const struct rhashtable_params merge_table_params; 477 extern const struct rhashtable_params neigh_table_params; 478 479 struct nfp_merge_info { 480 u64 parent_ctx; 481 struct rhash_head ht_node; 482 }; 483 484 struct nfp_fl_stats_frame { 485 __be32 stats_con_id; 486 __be32 pkt_count; 487 __be64 byte_count; 488 __be64 stats_cookie; 489 }; 490 491 struct nfp_meter_stats_entry { 492 u64 pkts; 493 u64 bytes; 494 u64 drops; 495 }; 496 497 struct nfp_meter_entry { 498 struct rhash_head ht_node; 499 u32 meter_id; 500 bool bps; 501 u32 rate; 502 u32 burst; 503 u64 used; 504 struct nfp_meter_stats { 505 u64 update; 506 struct nfp_meter_stats_entry curr; 507 struct nfp_meter_stats_entry prev; 508 } stats; 509 }; 510 511 enum nfp_meter_op { 512 NFP_METER_ADD, 513 NFP_METER_DEL, 514 }; 515 516 static inline bool 517 nfp_flower_internal_port_can_offload(struct nfp_app *app, 518 struct net_device *netdev) 519 { 520 struct nfp_flower_priv *app_priv = app->priv; 521 522 if (!(app_priv->flower_en_feats & NFP_FL_ENABLE_FLOW_MERGE)) 523 return false; 524 if (!netdev->rtnl_link_ops) 525 return false; 526 if (!strcmp(netdev->rtnl_link_ops->kind, "openvswitch")) 527 return true; 528 529 return false; 530 } 531 532 /* The address of the merged flow acts as its cookie. 533 * Cookies supplied to us by TC flower are also addresses to allocated 534 * memory and thus this scheme should not generate any collisions. 535 */ 536 static inline bool nfp_flower_is_merge_flow(struct nfp_fl_payload *flow_pay) 537 { 538 return flow_pay->tc_flower_cookie == (unsigned long)flow_pay; 539 } 540 541 static inline bool nfp_flower_is_supported_bridge(struct net_device *netdev) 542 { 543 return netif_is_ovs_master(netdev); 544 } 545 546 int nfp_flower_metadata_init(struct nfp_app *app, u64 host_ctx_count, 547 unsigned int host_ctx_split); 548 void nfp_flower_metadata_cleanup(struct nfp_app *app); 549 550 int nfp_flower_setup_tc(struct nfp_app *app, struct net_device *netdev, 551 enum tc_setup_type type, void *type_data); 552 int nfp_flower_merge_offloaded_flows(struct nfp_app *app, 553 struct nfp_fl_payload *sub_flow1, 554 struct nfp_fl_payload *sub_flow2); 555 void 556 nfp_flower_compile_meta(struct nfp_flower_meta_tci *ext, 557 struct nfp_flower_meta_tci *msk, u8 key_type); 558 void 559 nfp_flower_compile_tci(struct nfp_flower_meta_tci *ext, 560 struct nfp_flower_meta_tci *msk, 561 struct flow_rule *rule); 562 void 563 nfp_flower_compile_ext_meta(struct nfp_flower_ext_meta *frame, u32 key_ext); 564 int 565 nfp_flower_compile_port(struct nfp_flower_in_port *frame, u32 cmsg_port, 566 bool mask_version, enum nfp_flower_tun_type tun_type, 567 struct netlink_ext_ack *extack); 568 void 569 nfp_flower_compile_mac(struct nfp_flower_mac_mpls *ext, 570 struct nfp_flower_mac_mpls *msk, 571 struct flow_rule *rule); 572 int 573 nfp_flower_compile_mpls(struct nfp_flower_mac_mpls *ext, 574 struct nfp_flower_mac_mpls *msk, 575 struct flow_rule *rule, 576 struct netlink_ext_ack *extack); 577 void 578 nfp_flower_compile_tport(struct nfp_flower_tp_ports *ext, 579 struct nfp_flower_tp_ports *msk, 580 struct flow_rule *rule); 581 void 582 nfp_flower_compile_vlan(struct nfp_flower_vlan *ext, 583 struct nfp_flower_vlan *msk, 584 struct flow_rule *rule); 585 void 586 nfp_flower_compile_ipv4(struct nfp_flower_ipv4 *ext, 587 struct nfp_flower_ipv4 *msk, struct flow_rule *rule); 588 void 589 nfp_flower_compile_ipv6(struct nfp_flower_ipv6 *ext, 590 struct nfp_flower_ipv6 *msk, struct flow_rule *rule); 591 void 592 nfp_flower_compile_geneve_opt(u8 *ext, u8 *msk, struct flow_rule *rule); 593 void 594 nfp_flower_compile_ipv4_gre_tun(struct nfp_flower_ipv4_gre_tun *ext, 595 struct nfp_flower_ipv4_gre_tun *msk, 596 struct flow_rule *rule); 597 void 598 nfp_flower_compile_ipv4_udp_tun(struct nfp_flower_ipv4_udp_tun *ext, 599 struct nfp_flower_ipv4_udp_tun *msk, 600 struct flow_rule *rule); 601 void 602 nfp_flower_compile_ipv6_udp_tun(struct nfp_flower_ipv6_udp_tun *ext, 603 struct nfp_flower_ipv6_udp_tun *msk, 604 struct flow_rule *rule); 605 void 606 nfp_flower_compile_ipv6_gre_tun(struct nfp_flower_ipv6_gre_tun *ext, 607 struct nfp_flower_ipv6_gre_tun *msk, 608 struct flow_rule *rule); 609 int nfp_flower_compile_flow_match(struct nfp_app *app, 610 struct flow_rule *rule, 611 struct nfp_fl_key_ls *key_ls, 612 struct net_device *netdev, 613 struct nfp_fl_payload *nfp_flow, 614 enum nfp_flower_tun_type tun_type, 615 struct netlink_ext_ack *extack); 616 int nfp_flower_compile_action(struct nfp_app *app, 617 struct flow_rule *rule, 618 struct net_device *netdev, 619 struct nfp_fl_payload *nfp_flow, 620 struct netlink_ext_ack *extack); 621 int nfp_compile_flow_metadata(struct nfp_app *app, u32 cookie, 622 struct nfp_fl_payload *nfp_flow, 623 struct net_device *netdev, 624 struct netlink_ext_ack *extack); 625 void __nfp_modify_flow_metadata(struct nfp_flower_priv *priv, 626 struct nfp_fl_payload *nfp_flow); 627 int nfp_modify_flow_metadata(struct nfp_app *app, 628 struct nfp_fl_payload *nfp_flow); 629 630 struct nfp_fl_payload * 631 nfp_flower_search_fl_table(struct nfp_app *app, unsigned long tc_flower_cookie, 632 struct net_device *netdev); 633 struct nfp_fl_payload * 634 nfp_flower_get_fl_payload_from_ctx(struct nfp_app *app, u32 ctx_id); 635 struct nfp_fl_payload * 636 nfp_flower_remove_fl_table(struct nfp_app *app, unsigned long tc_flower_cookie); 637 638 void nfp_flower_rx_flow_stats(struct nfp_app *app, struct sk_buff *skb); 639 640 int nfp_tunnel_config_start(struct nfp_app *app); 641 void nfp_tunnel_config_stop(struct nfp_app *app); 642 int nfp_tunnel_mac_event_handler(struct nfp_app *app, 643 struct net_device *netdev, 644 unsigned long event, void *ptr); 645 void nfp_tunnel_del_ipv4_off(struct nfp_app *app, __be32 ipv4); 646 void nfp_tunnel_add_ipv4_off(struct nfp_app *app, __be32 ipv4); 647 void 648 nfp_tunnel_put_ipv6_off(struct nfp_app *app, struct nfp_ipv6_addr_entry *entry); 649 struct nfp_ipv6_addr_entry * 650 nfp_tunnel_add_ipv6_off(struct nfp_app *app, struct in6_addr *ipv6); 651 void nfp_tunnel_request_route_v4(struct nfp_app *app, struct sk_buff *skb); 652 void nfp_tunnel_request_route_v6(struct nfp_app *app, struct sk_buff *skb); 653 void nfp_tunnel_keep_alive(struct nfp_app *app, struct sk_buff *skb); 654 void nfp_tunnel_keep_alive_v6(struct nfp_app *app, struct sk_buff *skb); 655 void nfp_flower_lag_init(struct nfp_fl_lag *lag); 656 void nfp_flower_lag_cleanup(struct nfp_fl_lag *lag); 657 int nfp_flower_lag_reset(struct nfp_fl_lag *lag); 658 int nfp_flower_lag_netdev_event(struct nfp_flower_priv *priv, 659 struct net_device *netdev, 660 unsigned long event, void *ptr); 661 bool nfp_flower_lag_unprocessed_msg(struct nfp_app *app, struct sk_buff *skb); 662 int nfp_flower_lag_populate_pre_action(struct nfp_app *app, 663 struct net_device *master, 664 struct nfp_fl_pre_lag *pre_act, 665 struct netlink_ext_ack *extack); 666 int nfp_flower_lag_get_output_id(struct nfp_app *app, 667 struct net_device *master); 668 void nfp_flower_lag_get_info_from_netdev(struct nfp_app *app, 669 struct net_device *netdev, 670 struct nfp_tun_neigh_lag *lag); 671 void nfp_flower_qos_init(struct nfp_app *app); 672 void nfp_flower_qos_cleanup(struct nfp_app *app); 673 int nfp_flower_setup_qos_offload(struct nfp_app *app, struct net_device *netdev, 674 struct tc_cls_matchall_offload *flow); 675 void nfp_flower_stats_rlim_reply(struct nfp_app *app, struct sk_buff *skb); 676 int nfp_flower_indr_setup_tc_cb(struct net_device *netdev, struct Qdisc *sch, void *cb_priv, 677 enum tc_setup_type type, void *type_data, 678 void *data, 679 void (*cleanup)(struct flow_block_cb *block_cb)); 680 void nfp_flower_setup_indr_tc_release(void *cb_priv); 681 682 void 683 __nfp_flower_non_repr_priv_get(struct nfp_flower_non_repr_priv *non_repr_priv); 684 struct nfp_flower_non_repr_priv * 685 nfp_flower_non_repr_priv_get(struct nfp_app *app, struct net_device *netdev); 686 void 687 __nfp_flower_non_repr_priv_put(struct nfp_flower_non_repr_priv *non_repr_priv); 688 void 689 nfp_flower_non_repr_priv_put(struct nfp_app *app, struct net_device *netdev); 690 u32 nfp_flower_get_port_id_from_netdev(struct nfp_app *app, 691 struct net_device *netdev); 692 void nfp_tun_link_and_update_nn_entries(struct nfp_app *app, 693 struct nfp_predt_entry *predt); 694 void nfp_tun_unlink_and_update_nn_entries(struct nfp_app *app, 695 struct nfp_predt_entry *predt); 696 int nfp_flower_xmit_pre_tun_flow(struct nfp_app *app, 697 struct nfp_fl_payload *flow); 698 int nfp_flower_xmit_pre_tun_del_flow(struct nfp_app *app, 699 struct nfp_fl_payload *flow); 700 701 struct nfp_fl_payload * 702 nfp_flower_allocate_new(struct nfp_fl_key_ls *key_layer); 703 int nfp_flower_calculate_key_layers(struct nfp_app *app, 704 struct net_device *netdev, 705 struct nfp_fl_key_ls *ret_key_ls, 706 struct flow_rule *flow, 707 enum nfp_flower_tun_type *tun_type, 708 struct netlink_ext_ack *extack); 709 void 710 nfp_flower_del_linked_merge_flows(struct nfp_app *app, 711 struct nfp_fl_payload *sub_flow); 712 int 713 nfp_flower_xmit_flow(struct nfp_app *app, struct nfp_fl_payload *nfp_flow, 714 u8 mtype); 715 void 716 nfp_flower_update_merge_stats(struct nfp_app *app, 717 struct nfp_fl_payload *sub_flow); 718 719 int nfp_setup_tc_act_offload(struct nfp_app *app, 720 struct flow_offload_action *fl_act); 721 int nfp_init_meter_table(struct nfp_app *app); 722 void nfp_flower_stats_meter_request_all(struct nfp_flower_priv *fl_priv); 723 void nfp_act_stats_reply(struct nfp_app *app, void *pmsg); 724 int nfp_flower_offload_one_police(struct nfp_app *app, bool ingress, 725 bool pps, u32 id, u32 rate, u32 burst); 726 int nfp_flower_setup_meter_entry(struct nfp_app *app, 727 const struct flow_action_entry *action, 728 enum nfp_meter_op op, 729 u32 meter_id); 730 struct nfp_meter_entry * 731 nfp_flower_search_meter_entry(struct nfp_app *app, u32 meter_id); 732 #endif 733