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