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
nfp_flower_internal_port_can_offload(struct nfp_app * app,struct net_device * netdev)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 */
nfp_flower_is_merge_flow(struct nfp_fl_payload * flow_pay)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
nfp_flower_is_supported_bridge(struct net_device * netdev)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