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_HOST_ACK		BIT(31)
55 
56 #define NFP_FL_ENABLE_FLOW_MERGE	BIT(0)
57 #define NFP_FL_ENABLE_LAG		BIT(1)
58 
59 #define NFP_FL_FEATS_HOST \
60 	(NFP_FL_FEATS_GENEVE | \
61 	NFP_FL_NBI_MTU_SETTING | \
62 	NFP_FL_FEATS_GENEVE_OPT | \
63 	NFP_FL_FEATS_VLAN_PCP | \
64 	NFP_FL_FEATS_VF_RLIM | \
65 	NFP_FL_FEATS_FLOW_MOD | \
66 	NFP_FL_FEATS_PRE_TUN_RULES | \
67 	NFP_FL_FEATS_IPV6_TUN | \
68 	NFP_FL_FEATS_VLAN_QINQ | \
69 	NFP_FL_FEATS_QOS_PPS | \
70 	NFP_FL_FEATS_QOS_METER)
71 
72 struct nfp_fl_mask_id {
73 	struct circ_buf mask_id_free_list;
74 	ktime_t *last_used;
75 	u8 init_unallocated;
76 };
77 
78 struct nfp_fl_stats_id {
79 	struct circ_buf free_list;
80 	u32 init_unalloc;
81 	u8 repeated_em_count;
82 };
83 
84 /**
85  * struct nfp_fl_tunnel_offloads - priv data for tunnel offloads
86  * @offloaded_macs:	Hashtable of the offloaded MAC addresses
87  * @ipv4_off_list:	List of IPv4 addresses to offload
88  * @ipv6_off_list:	List of IPv6 addresses to offload
89  * @neigh_off_list_v4:	List of IPv4 neighbour offloads
90  * @neigh_off_list_v6:	List of IPv6 neighbour offloads
91  * @ipv4_off_lock:	Lock for the IPv4 address list
92  * @ipv6_off_lock:	Lock for the IPv6 address list
93  * @neigh_off_lock_v4:	Lock for the IPv4 neighbour address list
94  * @neigh_off_lock_v6:	Lock for the IPv6 neighbour 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 list_head neigh_off_list_v4;
103 	struct list_head neigh_off_list_v6;
104 	struct mutex ipv4_off_lock;
105 	struct mutex ipv6_off_lock;
106 	spinlock_t neigh_off_lock_v4;
107 	spinlock_t neigh_off_lock_v6;
108 	struct ida mac_off_ids;
109 	struct notifier_block neigh_nb;
110 };
111 
112 /**
113  * struct nfp_mtu_conf - manage MTU setting
114  * @portnum:		NFP port number of repr with requested MTU change
115  * @requested_val:	MTU value requested for repr
116  * @ack:		Received ack that MTU has been correctly set
117  * @wait_q:		Wait queue for MTU acknowledgements
118  * @lock:		Lock for setting/reading MTU variables
119  */
120 struct nfp_mtu_conf {
121 	u32 portnum;
122 	unsigned int requested_val;
123 	bool ack;
124 	wait_queue_head_t wait_q;
125 	spinlock_t lock;
126 };
127 
128 /**
129  * struct nfp_fl_lag - Flower APP priv data for link aggregation
130  * @work:		Work queue for writing configs to the HW
131  * @lock:		Lock to protect lag_group_list
132  * @group_list:		List of all master/slave groups offloaded
133  * @ida_handle:		IDA to handle group ids
134  * @pkt_num:		Incremented for each config packet sent
135  * @batch_ver:		Incremented for each batch of config packets
136  * @global_inst:	Instance allocator for groups
137  * @rst_cfg:		Marker to reset HW LAG config
138  * @retrans_skbs:	Cmsgs that could not be processed by HW and require
139  *			retransmission
140  */
141 struct nfp_fl_lag {
142 	struct delayed_work work;
143 	struct mutex lock;
144 	struct list_head group_list;
145 	struct ida ida_handle;
146 	unsigned int pkt_num;
147 	unsigned int batch_ver;
148 	u8 global_inst;
149 	bool rst_cfg;
150 	struct sk_buff_head retrans_skbs;
151 };
152 
153 /**
154  * struct nfp_fl_internal_ports - Flower APP priv data for additional ports
155  * @port_ids:	Assignment of ids to any additional ports
156  * @lock:	Lock for extra ports list
157  */
158 struct nfp_fl_internal_ports {
159 	struct idr port_ids;
160 	spinlock_t lock;
161 };
162 
163 /**
164  * struct nfp_flower_priv - Flower APP per-vNIC priv data
165  * @app:		Back pointer to app
166  * @nn:			Pointer to vNIC
167  * @mask_id_seed:	Seed used for mask hash table
168  * @flower_version:	HW version of flower
169  * @flower_ext_feats:	Bitmap of extra features the HW supports
170  * @flower_en_feats:	Bitmap of features enabled by HW
171  * @stats_ids:		List of free stats ids
172  * @mask_ids:		List of free mask ids
173  * @mask_table:		Hash table used to store masks
174  * @stats_ring_size:	Maximum number of allowed stats ids
175  * @flow_table:		Hash table used to store flower rules
176  * @stats:		Stored stats updates for flower rules
177  * @stats_lock:		Lock for flower rule stats updates
178  * @stats_ctx_table:	Hash table to map stats contexts to its flow rule
179  * @cmsg_work:		Workqueue for control messages processing
180  * @cmsg_skbs_high:	List of higher priority skbs for control message
181  *			processing
182  * @cmsg_skbs_low:	List of lower priority skbs for control message
183  *			processing
184  * @tun:		Tunnel offload data
185  * @reify_replies:	atomically stores the number of replies received
186  *			from firmware for repr reify
187  * @reify_wait_queue:	wait queue for repr reify response counting
188  * @mtu_conf:		Configuration of repr MTU value
189  * @nfp_lag:		Link aggregation data block
190  * @indr_block_cb_priv:	List of priv data passed to indirect block cbs
191  * @non_repr_priv:	List of offloaded non-repr ports and their priv data
192  * @active_mem_unit:	Current active memory unit for flower rules
193  * @total_mem_units:	Total number of available memory units for flower rules
194  * @internal_ports:	Internal port ids used in offloaded rules
195  * @qos_stats_work:	Workqueue for qos stats processing
196  * @qos_rate_limiters:	Current active qos rate limiters
197  * @qos_stats_lock:	Lock on qos stats updates
198  * @meter_stats_lock:   Lock on meter stats updates
199  * @meter_table:	Hash table used to store the meter table
200  * @pre_tun_rule_cnt:	Number of pre-tunnel rules offloaded
201  * @merge_table:	Hash table to store merged flows
202  * @ct_zone_table:	Hash table used to store the different zones
203  * @ct_zone_wc:		Special zone entry for wildcarded zone matches
204  * @ct_map_table:	Hash table used to referennce ct flows
205  */
206 struct nfp_flower_priv {
207 	struct nfp_app *app;
208 	struct nfp_net *nn;
209 	u32 mask_id_seed;
210 	u64 flower_version;
211 	u64 flower_ext_feats;
212 	u8 flower_en_feats;
213 	struct nfp_fl_stats_id stats_ids;
214 	struct nfp_fl_mask_id mask_ids;
215 	DECLARE_HASHTABLE(mask_table, NFP_FLOWER_MASK_HASH_BITS);
216 	u32 stats_ring_size;
217 	struct rhashtable flow_table;
218 	struct nfp_fl_stats *stats;
219 	spinlock_t stats_lock; /* lock stats */
220 	struct rhashtable stats_ctx_table;
221 	struct work_struct cmsg_work;
222 	struct sk_buff_head cmsg_skbs_high;
223 	struct sk_buff_head cmsg_skbs_low;
224 	struct nfp_fl_tunnel_offloads tun;
225 	atomic_t reify_replies;
226 	wait_queue_head_t reify_wait_queue;
227 	struct nfp_mtu_conf mtu_conf;
228 	struct nfp_fl_lag nfp_lag;
229 	struct list_head indr_block_cb_priv;
230 	struct list_head non_repr_priv;
231 	unsigned int active_mem_unit;
232 	unsigned int total_mem_units;
233 	struct nfp_fl_internal_ports internal_ports;
234 	struct delayed_work qos_stats_work;
235 	unsigned int qos_rate_limiters;
236 	spinlock_t qos_stats_lock; /* Protect the qos stats */
237 	struct mutex meter_stats_lock; /* Protect the meter stats */
238 	struct rhashtable meter_table;
239 	int pre_tun_rule_cnt;
240 	struct rhashtable merge_table;
241 	struct rhashtable ct_zone_table;
242 	struct nfp_fl_ct_zone_entry *ct_zone_wc;
243 	struct rhashtable ct_map_table;
244 };
245 
246 /**
247  * struct nfp_fl_qos - Flower APP priv data for quality of service
248  * @netdev_port_id:	NFP port number of repr with qos info
249  * @curr_stats:		Currently stored stats updates for qos info
250  * @prev_stats:		Previously stored updates for qos info
251  * @last_update:	Stored time when last stats were updated
252  */
253 struct nfp_fl_qos {
254 	u32 netdev_port_id;
255 	struct nfp_stat_pair curr_stats;
256 	struct nfp_stat_pair prev_stats;
257 	u64 last_update;
258 };
259 
260 /**
261  * struct nfp_flower_repr_priv - Flower APP per-repr priv data
262  * @nfp_repr:		Back pointer to nfp_repr
263  * @lag_port_flags:	Extended port flags to record lag state of repr
264  * @mac_offloaded:	Flag indicating a MAC address is offloaded for repr
265  * @offloaded_mac_addr:	MAC address that has been offloaded for repr
266  * @block_shared:	Flag indicating if offload applies to shared blocks
267  * @mac_list:		List entry of reprs that share the same offloaded MAC
268  * @qos_table:		Stored info on filters implementing qos
269  * @on_bridge:		Indicates if the repr is attached to a bridge
270  */
271 struct nfp_flower_repr_priv {
272 	struct nfp_repr *nfp_repr;
273 	unsigned long lag_port_flags;
274 	bool mac_offloaded;
275 	u8 offloaded_mac_addr[ETH_ALEN];
276 	bool block_shared;
277 	struct list_head mac_list;
278 	struct nfp_fl_qos qos_table;
279 	bool on_bridge;
280 };
281 
282 /**
283  * struct nfp_flower_non_repr_priv - Priv data for non-repr offloaded ports
284  * @list:		List entry of offloaded reprs
285  * @netdev:		Pointer to non-repr net_device
286  * @ref_count:		Number of references held for this priv data
287  * @mac_offloaded:	Flag indicating a MAC address is offloaded for device
288  * @offloaded_mac_addr:	MAC address that has been offloaded for dev
289  */
290 struct nfp_flower_non_repr_priv {
291 	struct list_head list;
292 	struct net_device *netdev;
293 	int ref_count;
294 	bool mac_offloaded;
295 	u8 offloaded_mac_addr[ETH_ALEN];
296 };
297 
298 struct nfp_fl_key_ls {
299 	u32 key_layer_two;
300 	u8 key_layer;
301 	int key_size;
302 };
303 
304 struct nfp_fl_rule_metadata {
305 	u8 key_len;
306 	u8 mask_len;
307 	u8 act_len;
308 	u8 flags;
309 	__be32 host_ctx_id;
310 	__be64 host_cookie __packed;
311 	__be64 flow_version __packed;
312 	__be32 shortcut;
313 };
314 
315 struct nfp_fl_stats {
316 	u64 pkts;
317 	u64 bytes;
318 	u64 used;
319 };
320 
321 /**
322  * struct nfp_ipv6_addr_entry - cached IPv6 addresses
323  * @ipv6_addr:	IP address
324  * @ref_count:	number of rules currently using this IP
325  * @list:	list pointer
326  */
327 struct nfp_ipv6_addr_entry {
328 	struct in6_addr ipv6_addr;
329 	int ref_count;
330 	struct list_head list;
331 };
332 
333 struct nfp_fl_payload {
334 	struct nfp_fl_rule_metadata meta;
335 	unsigned long tc_flower_cookie;
336 	struct rhash_head fl_node;
337 	struct rcu_head rcu;
338 	__be32 nfp_tun_ipv4_addr;
339 	struct nfp_ipv6_addr_entry *nfp_tun_ipv6;
340 	struct net_device *ingress_dev;
341 	char *unmasked_data;
342 	char *mask_data;
343 	char *action_data;
344 	struct list_head linked_flows;
345 	bool in_hw;
346 	struct {
347 		struct net_device *dev;
348 		__be16 vlan_tci;
349 		__be16 port_idx;
350 	} pre_tun_rule;
351 };
352 
353 struct nfp_fl_payload_link {
354 	/* A link contains a pointer to a merge flow and an associated sub_flow.
355 	 * Each merge flow will feature in 2 links to its underlying sub_flows.
356 	 * A sub_flow will have at least 1 link to a merge flow or more if it
357 	 * has been used to create multiple merge flows.
358 	 *
359 	 * For a merge flow, 'linked_flows' in its nfp_fl_payload struct lists
360 	 * all links to sub_flows (sub_flow.flow) via merge.list.
361 	 * For a sub_flow, 'linked_flows' gives all links to merge flows it has
362 	 * formed (merge_flow.flow) via sub_flow.list.
363 	 */
364 	struct {
365 		struct list_head list;
366 		struct nfp_fl_payload *flow;
367 	} merge_flow, sub_flow;
368 };
369 
370 extern const struct rhashtable_params nfp_flower_table_params;
371 extern const struct rhashtable_params merge_table_params;
372 
373 struct nfp_merge_info {
374 	u64 parent_ctx;
375 	struct rhash_head ht_node;
376 };
377 
378 struct nfp_fl_stats_frame {
379 	__be32 stats_con_id;
380 	__be32 pkt_count;
381 	__be64 byte_count;
382 	__be64 stats_cookie;
383 };
384 
385 struct nfp_meter_stats_entry {
386 	u64 pkts;
387 	u64 bytes;
388 	u64 drops;
389 };
390 
391 struct nfp_meter_entry {
392 	struct rhash_head ht_node;
393 	u32 meter_id;
394 	bool bps;
395 	u32 rate;
396 	u32 burst;
397 	u64 used;
398 	struct nfp_meter_stats {
399 		u64 update;
400 		struct nfp_meter_stats_entry curr;
401 		struct nfp_meter_stats_entry prev;
402 	} stats;
403 };
404 
405 enum nfp_meter_op {
406 	NFP_METER_ADD,
407 	NFP_METER_DEL,
408 };
409 
410 static inline bool
411 nfp_flower_internal_port_can_offload(struct nfp_app *app,
412 				     struct net_device *netdev)
413 {
414 	struct nfp_flower_priv *app_priv = app->priv;
415 
416 	if (!(app_priv->flower_en_feats & NFP_FL_ENABLE_FLOW_MERGE))
417 		return false;
418 	if (!netdev->rtnl_link_ops)
419 		return false;
420 	if (!strcmp(netdev->rtnl_link_ops->kind, "openvswitch"))
421 		return true;
422 
423 	return false;
424 }
425 
426 /* The address of the merged flow acts as its cookie.
427  * Cookies supplied to us by TC flower are also addresses to allocated
428  * memory and thus this scheme should not generate any collisions.
429  */
430 static inline bool nfp_flower_is_merge_flow(struct nfp_fl_payload *flow_pay)
431 {
432 	return flow_pay->tc_flower_cookie == (unsigned long)flow_pay;
433 }
434 
435 static inline bool nfp_flower_is_supported_bridge(struct net_device *netdev)
436 {
437 	return netif_is_ovs_master(netdev);
438 }
439 
440 int nfp_flower_metadata_init(struct nfp_app *app, u64 host_ctx_count,
441 			     unsigned int host_ctx_split);
442 void nfp_flower_metadata_cleanup(struct nfp_app *app);
443 
444 int nfp_flower_setup_tc(struct nfp_app *app, struct net_device *netdev,
445 			enum tc_setup_type type, void *type_data);
446 int nfp_flower_merge_offloaded_flows(struct nfp_app *app,
447 				     struct nfp_fl_payload *sub_flow1,
448 				     struct nfp_fl_payload *sub_flow2);
449 void
450 nfp_flower_compile_meta(struct nfp_flower_meta_tci *ext,
451 			struct nfp_flower_meta_tci *msk, u8 key_type);
452 void
453 nfp_flower_compile_tci(struct nfp_flower_meta_tci *ext,
454 		       struct nfp_flower_meta_tci *msk,
455 		       struct flow_rule *rule);
456 void
457 nfp_flower_compile_ext_meta(struct nfp_flower_ext_meta *frame, u32 key_ext);
458 int
459 nfp_flower_compile_port(struct nfp_flower_in_port *frame, u32 cmsg_port,
460 			bool mask_version, enum nfp_flower_tun_type tun_type,
461 			struct netlink_ext_ack *extack);
462 void
463 nfp_flower_compile_mac(struct nfp_flower_mac_mpls *ext,
464 		       struct nfp_flower_mac_mpls *msk,
465 		       struct flow_rule *rule);
466 int
467 nfp_flower_compile_mpls(struct nfp_flower_mac_mpls *ext,
468 			struct nfp_flower_mac_mpls *msk,
469 			struct flow_rule *rule,
470 			struct netlink_ext_ack *extack);
471 void
472 nfp_flower_compile_tport(struct nfp_flower_tp_ports *ext,
473 			 struct nfp_flower_tp_ports *msk,
474 			 struct flow_rule *rule);
475 void
476 nfp_flower_compile_vlan(struct nfp_flower_vlan *ext,
477 			struct nfp_flower_vlan *msk,
478 			struct flow_rule *rule);
479 void
480 nfp_flower_compile_ipv4(struct nfp_flower_ipv4 *ext,
481 			struct nfp_flower_ipv4 *msk, struct flow_rule *rule);
482 void
483 nfp_flower_compile_ipv6(struct nfp_flower_ipv6 *ext,
484 			struct nfp_flower_ipv6 *msk, struct flow_rule *rule);
485 void
486 nfp_flower_compile_geneve_opt(u8 *ext, u8 *msk, struct flow_rule *rule);
487 void
488 nfp_flower_compile_ipv4_gre_tun(struct nfp_flower_ipv4_gre_tun *ext,
489 				struct nfp_flower_ipv4_gre_tun *msk,
490 				struct flow_rule *rule);
491 void
492 nfp_flower_compile_ipv4_udp_tun(struct nfp_flower_ipv4_udp_tun *ext,
493 				struct nfp_flower_ipv4_udp_tun *msk,
494 				struct flow_rule *rule);
495 void
496 nfp_flower_compile_ipv6_udp_tun(struct nfp_flower_ipv6_udp_tun *ext,
497 				struct nfp_flower_ipv6_udp_tun *msk,
498 				struct flow_rule *rule);
499 void
500 nfp_flower_compile_ipv6_gre_tun(struct nfp_flower_ipv6_gre_tun *ext,
501 				struct nfp_flower_ipv6_gre_tun *msk,
502 				struct flow_rule *rule);
503 int nfp_flower_compile_flow_match(struct nfp_app *app,
504 				  struct flow_rule *rule,
505 				  struct nfp_fl_key_ls *key_ls,
506 				  struct net_device *netdev,
507 				  struct nfp_fl_payload *nfp_flow,
508 				  enum nfp_flower_tun_type tun_type,
509 				  struct netlink_ext_ack *extack);
510 int nfp_flower_compile_action(struct nfp_app *app,
511 			      struct flow_rule *rule,
512 			      struct net_device *netdev,
513 			      struct nfp_fl_payload *nfp_flow,
514 			      struct netlink_ext_ack *extack);
515 int nfp_compile_flow_metadata(struct nfp_app *app, u32 cookie,
516 			      struct nfp_fl_payload *nfp_flow,
517 			      struct net_device *netdev,
518 			      struct netlink_ext_ack *extack);
519 void __nfp_modify_flow_metadata(struct nfp_flower_priv *priv,
520 				struct nfp_fl_payload *nfp_flow);
521 int nfp_modify_flow_metadata(struct nfp_app *app,
522 			     struct nfp_fl_payload *nfp_flow);
523 
524 struct nfp_fl_payload *
525 nfp_flower_search_fl_table(struct nfp_app *app, unsigned long tc_flower_cookie,
526 			   struct net_device *netdev);
527 struct nfp_fl_payload *
528 nfp_flower_get_fl_payload_from_ctx(struct nfp_app *app, u32 ctx_id);
529 struct nfp_fl_payload *
530 nfp_flower_remove_fl_table(struct nfp_app *app, unsigned long tc_flower_cookie);
531 
532 void nfp_flower_rx_flow_stats(struct nfp_app *app, struct sk_buff *skb);
533 
534 int nfp_tunnel_config_start(struct nfp_app *app);
535 void nfp_tunnel_config_stop(struct nfp_app *app);
536 int nfp_tunnel_mac_event_handler(struct nfp_app *app,
537 				 struct net_device *netdev,
538 				 unsigned long event, void *ptr);
539 void nfp_tunnel_del_ipv4_off(struct nfp_app *app, __be32 ipv4);
540 void nfp_tunnel_add_ipv4_off(struct nfp_app *app, __be32 ipv4);
541 void
542 nfp_tunnel_put_ipv6_off(struct nfp_app *app, struct nfp_ipv6_addr_entry *entry);
543 struct nfp_ipv6_addr_entry *
544 nfp_tunnel_add_ipv6_off(struct nfp_app *app, struct in6_addr *ipv6);
545 void nfp_tunnel_request_route_v4(struct nfp_app *app, struct sk_buff *skb);
546 void nfp_tunnel_request_route_v6(struct nfp_app *app, struct sk_buff *skb);
547 void nfp_tunnel_keep_alive(struct nfp_app *app, struct sk_buff *skb);
548 void nfp_tunnel_keep_alive_v6(struct nfp_app *app, struct sk_buff *skb);
549 void nfp_flower_lag_init(struct nfp_fl_lag *lag);
550 void nfp_flower_lag_cleanup(struct nfp_fl_lag *lag);
551 int nfp_flower_lag_reset(struct nfp_fl_lag *lag);
552 int nfp_flower_lag_netdev_event(struct nfp_flower_priv *priv,
553 				struct net_device *netdev,
554 				unsigned long event, void *ptr);
555 bool nfp_flower_lag_unprocessed_msg(struct nfp_app *app, struct sk_buff *skb);
556 int nfp_flower_lag_populate_pre_action(struct nfp_app *app,
557 				       struct net_device *master,
558 				       struct nfp_fl_pre_lag *pre_act,
559 				       struct netlink_ext_ack *extack);
560 int nfp_flower_lag_get_output_id(struct nfp_app *app,
561 				 struct net_device *master);
562 void nfp_flower_qos_init(struct nfp_app *app);
563 void nfp_flower_qos_cleanup(struct nfp_app *app);
564 int nfp_flower_setup_qos_offload(struct nfp_app *app, struct net_device *netdev,
565 				 struct tc_cls_matchall_offload *flow);
566 void nfp_flower_stats_rlim_reply(struct nfp_app *app, struct sk_buff *skb);
567 int nfp_flower_indr_setup_tc_cb(struct net_device *netdev, struct Qdisc *sch, void *cb_priv,
568 				enum tc_setup_type type, void *type_data,
569 				void *data,
570 				void (*cleanup)(struct flow_block_cb *block_cb));
571 void nfp_flower_setup_indr_tc_release(void *cb_priv);
572 
573 void
574 __nfp_flower_non_repr_priv_get(struct nfp_flower_non_repr_priv *non_repr_priv);
575 struct nfp_flower_non_repr_priv *
576 nfp_flower_non_repr_priv_get(struct nfp_app *app, struct net_device *netdev);
577 void
578 __nfp_flower_non_repr_priv_put(struct nfp_flower_non_repr_priv *non_repr_priv);
579 void
580 nfp_flower_non_repr_priv_put(struct nfp_app *app, struct net_device *netdev);
581 u32 nfp_flower_get_port_id_from_netdev(struct nfp_app *app,
582 				       struct net_device *netdev);
583 int nfp_flower_xmit_pre_tun_flow(struct nfp_app *app,
584 				 struct nfp_fl_payload *flow);
585 int nfp_flower_xmit_pre_tun_del_flow(struct nfp_app *app,
586 				     struct nfp_fl_payload *flow);
587 
588 struct nfp_fl_payload *
589 nfp_flower_allocate_new(struct nfp_fl_key_ls *key_layer);
590 int nfp_flower_calculate_key_layers(struct nfp_app *app,
591 				    struct net_device *netdev,
592 				    struct nfp_fl_key_ls *ret_key_ls,
593 				    struct flow_rule *flow,
594 				    enum nfp_flower_tun_type *tun_type,
595 				    struct netlink_ext_ack *extack);
596 void
597 nfp_flower_del_linked_merge_flows(struct nfp_app *app,
598 				  struct nfp_fl_payload *sub_flow);
599 int
600 nfp_flower_xmit_flow(struct nfp_app *app, struct nfp_fl_payload *nfp_flow,
601 		     u8 mtype);
602 void
603 nfp_flower_update_merge_stats(struct nfp_app *app,
604 			      struct nfp_fl_payload *sub_flow);
605 
606 int nfp_setup_tc_act_offload(struct nfp_app *app,
607 			     struct flow_offload_action *fl_act);
608 int nfp_init_meter_table(struct nfp_app *app);
609 void nfp_flower_stats_meter_request_all(struct nfp_flower_priv *fl_priv);
610 void nfp_act_stats_reply(struct nfp_app *app, void *pmsg);
611 int nfp_flower_offload_one_police(struct nfp_app *app, bool ingress,
612 				  bool pps, u32 id, u32 rate, u32 burst);
613 int nfp_flower_setup_meter_entry(struct nfp_app *app,
614 				 const struct flow_action_entry *action,
615 				 enum nfp_meter_op op,
616 				 u32 meter_id);
617 struct nfp_meter_entry *
618 nfp_flower_search_meter_entry(struct nfp_app *app, u32 meter_id);
619 #endif
620