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/pkt_cls.h>
16 #include <net/tcp.h>
17 #include <linux/workqueue.h>
18 #include <linux/idr.h>
19 
20 struct nfp_fl_pre_lag;
21 struct net_device;
22 struct nfp_app;
23 
24 #define NFP_FL_STAT_ID_MU_NUM		GENMASK(31, 22)
25 #define NFP_FL_STAT_ID_STAT		GENMASK(21, 0)
26 
27 #define NFP_FL_STATS_ELEM_RS		sizeof_field(struct nfp_fl_stats_id, \
28 						     init_unalloc)
29 #define NFP_FLOWER_MASK_ENTRY_RS	256
30 #define NFP_FLOWER_MASK_ELEMENT_RS	1
31 #define NFP_FLOWER_MASK_HASH_BITS	10
32 
33 #define NFP_FLOWER_KEY_MAX_LW		32
34 
35 #define NFP_FL_META_FLAG_MANAGE_MASK	BIT(7)
36 
37 #define NFP_FL_MASK_REUSE_TIME_NS	40000
38 #define NFP_FL_MASK_ID_LOCATION		1
39 
40 /* Extra features bitmap. */
41 #define NFP_FL_FEATS_GENEVE		BIT(0)
42 #define NFP_FL_NBI_MTU_SETTING		BIT(1)
43 #define NFP_FL_FEATS_GENEVE_OPT		BIT(2)
44 #define NFP_FL_FEATS_VLAN_PCP		BIT(3)
45 #define NFP_FL_FEATS_VF_RLIM		BIT(4)
46 #define NFP_FL_FEATS_FLOW_MOD		BIT(5)
47 #define NFP_FL_FEATS_PRE_TUN_RULES	BIT(6)
48 #define NFP_FL_FEATS_IPV6_TUN		BIT(7)
49 #define NFP_FL_FEATS_VLAN_QINQ		BIT(8)
50 #define NFP_FL_FEATS_QOS_PPS		BIT(9)
51 #define NFP_FL_FEATS_HOST_ACK		BIT(31)
52 
53 #define NFP_FL_ENABLE_FLOW_MERGE	BIT(0)
54 #define NFP_FL_ENABLE_LAG		BIT(1)
55 
56 #define NFP_FL_FEATS_HOST \
57 	(NFP_FL_FEATS_GENEVE | \
58 	NFP_FL_NBI_MTU_SETTING | \
59 	NFP_FL_FEATS_GENEVE_OPT | \
60 	NFP_FL_FEATS_VLAN_PCP | \
61 	NFP_FL_FEATS_VF_RLIM | \
62 	NFP_FL_FEATS_FLOW_MOD | \
63 	NFP_FL_FEATS_PRE_TUN_RULES | \
64 	NFP_FL_FEATS_IPV6_TUN | \
65 	NFP_FL_FEATS_VLAN_QINQ | \
66 	NFP_FL_FEATS_QOS_PPS)
67 
68 struct nfp_fl_mask_id {
69 	struct circ_buf mask_id_free_list;
70 	ktime_t *last_used;
71 	u8 init_unallocated;
72 };
73 
74 struct nfp_fl_stats_id {
75 	struct circ_buf free_list;
76 	u32 init_unalloc;
77 	u8 repeated_em_count;
78 };
79 
80 /**
81  * struct nfp_fl_tunnel_offloads - priv data for tunnel offloads
82  * @offloaded_macs:	Hashtable of the offloaded MAC addresses
83  * @ipv4_off_list:	List of IPv4 addresses to offload
84  * @ipv6_off_list:	List of IPv6 addresses to offload
85  * @neigh_off_list_v4:	List of IPv4 neighbour offloads
86  * @neigh_off_list_v6:	List of IPv6 neighbour offloads
87  * @ipv4_off_lock:	Lock for the IPv4 address list
88  * @ipv6_off_lock:	Lock for the IPv6 address list
89  * @neigh_off_lock_v4:	Lock for the IPv4 neighbour address list
90  * @neigh_off_lock_v6:	Lock for the IPv6 neighbour address list
91  * @mac_off_ids:	IDA to manage id assignment for offloaded MACs
92  * @neigh_nb:		Notifier to monitor neighbour state
93  */
94 struct nfp_fl_tunnel_offloads {
95 	struct rhashtable offloaded_macs;
96 	struct list_head ipv4_off_list;
97 	struct list_head ipv6_off_list;
98 	struct list_head neigh_off_list_v4;
99 	struct list_head neigh_off_list_v6;
100 	struct mutex ipv4_off_lock;
101 	struct mutex ipv6_off_lock;
102 	spinlock_t neigh_off_lock_v4;
103 	spinlock_t neigh_off_lock_v6;
104 	struct ida mac_off_ids;
105 	struct notifier_block neigh_nb;
106 };
107 
108 /**
109  * struct nfp_mtu_conf - manage MTU setting
110  * @portnum:		NFP port number of repr with requested MTU change
111  * @requested_val:	MTU value requested for repr
112  * @ack:		Received ack that MTU has been correctly set
113  * @wait_q:		Wait queue for MTU acknowledgements
114  * @lock:		Lock for setting/reading MTU variables
115  */
116 struct nfp_mtu_conf {
117 	u32 portnum;
118 	unsigned int requested_val;
119 	bool ack;
120 	wait_queue_head_t wait_q;
121 	spinlock_t lock;
122 };
123 
124 /**
125  * struct nfp_fl_lag - Flower APP priv data for link aggregation
126  * @work:		Work queue for writing configs to the HW
127  * @lock:		Lock to protect lag_group_list
128  * @group_list:		List of all master/slave groups offloaded
129  * @ida_handle:		IDA to handle group ids
130  * @pkt_num:		Incremented for each config packet sent
131  * @batch_ver:		Incremented for each batch of config packets
132  * @global_inst:	Instance allocator for groups
133  * @rst_cfg:		Marker to reset HW LAG config
134  * @retrans_skbs:	Cmsgs that could not be processed by HW and require
135  *			retransmission
136  */
137 struct nfp_fl_lag {
138 	struct delayed_work work;
139 	struct mutex lock;
140 	struct list_head group_list;
141 	struct ida ida_handle;
142 	unsigned int pkt_num;
143 	unsigned int batch_ver;
144 	u8 global_inst;
145 	bool rst_cfg;
146 	struct sk_buff_head retrans_skbs;
147 };
148 
149 /**
150  * struct nfp_fl_internal_ports - Flower APP priv data for additional ports
151  * @port_ids:	Assignment of ids to any additional ports
152  * @lock:	Lock for extra ports list
153  */
154 struct nfp_fl_internal_ports {
155 	struct idr port_ids;
156 	spinlock_t lock;
157 };
158 
159 /**
160  * struct nfp_flower_priv - Flower APP per-vNIC priv data
161  * @app:		Back pointer to app
162  * @nn:			Pointer to vNIC
163  * @mask_id_seed:	Seed used for mask hash table
164  * @flower_version:	HW version of flower
165  * @flower_ext_feats:	Bitmap of extra features the HW supports
166  * @flower_en_feats:	Bitmap of features enabled by HW
167  * @stats_ids:		List of free stats ids
168  * @mask_ids:		List of free mask ids
169  * @mask_table:		Hash table used to store masks
170  * @stats_ring_size:	Maximum number of allowed stats ids
171  * @flow_table:		Hash table used to store flower rules
172  * @stats:		Stored stats updates for flower rules
173  * @stats_lock:		Lock for flower rule stats updates
174  * @stats_ctx_table:	Hash table to map stats contexts to its flow rule
175  * @cmsg_work:		Workqueue for control messages processing
176  * @cmsg_skbs_high:	List of higher priority skbs for control message
177  *			processing
178  * @cmsg_skbs_low:	List of lower priority skbs for control message
179  *			processing
180  * @tun:		Tunnel offload data
181  * @reify_replies:	atomically stores the number of replies received
182  *			from firmware for repr reify
183  * @reify_wait_queue:	wait queue for repr reify response counting
184  * @mtu_conf:		Configuration of repr MTU value
185  * @nfp_lag:		Link aggregation data block
186  * @indr_block_cb_priv:	List of priv data passed to indirect block cbs
187  * @non_repr_priv:	List of offloaded non-repr ports and their priv data
188  * @active_mem_unit:	Current active memory unit for flower rules
189  * @total_mem_units:	Total number of available memory units for flower rules
190  * @internal_ports:	Internal port ids used in offloaded rules
191  * @qos_stats_work:	Workqueue for qos stats processing
192  * @qos_rate_limiters:	Current active qos rate limiters
193  * @qos_stats_lock:	Lock on qos stats updates
194  * @pre_tun_rule_cnt:	Number of pre-tunnel rules offloaded
195  * @merge_table:	Hash table to store merged flows
196  * @ct_zone_table:	Hash table used to store the different zones
197  * @ct_zone_wc:		Special zone entry for wildcarded zone matches
198  * @ct_map_table:	Hash table used to referennce ct flows
199  */
200 struct nfp_flower_priv {
201 	struct nfp_app *app;
202 	struct nfp_net *nn;
203 	u32 mask_id_seed;
204 	u64 flower_version;
205 	u64 flower_ext_feats;
206 	u8 flower_en_feats;
207 	struct nfp_fl_stats_id stats_ids;
208 	struct nfp_fl_mask_id mask_ids;
209 	DECLARE_HASHTABLE(mask_table, NFP_FLOWER_MASK_HASH_BITS);
210 	u32 stats_ring_size;
211 	struct rhashtable flow_table;
212 	struct nfp_fl_stats *stats;
213 	spinlock_t stats_lock; /* lock stats */
214 	struct rhashtable stats_ctx_table;
215 	struct work_struct cmsg_work;
216 	struct sk_buff_head cmsg_skbs_high;
217 	struct sk_buff_head cmsg_skbs_low;
218 	struct nfp_fl_tunnel_offloads tun;
219 	atomic_t reify_replies;
220 	wait_queue_head_t reify_wait_queue;
221 	struct nfp_mtu_conf mtu_conf;
222 	struct nfp_fl_lag nfp_lag;
223 	struct list_head indr_block_cb_priv;
224 	struct list_head non_repr_priv;
225 	unsigned int active_mem_unit;
226 	unsigned int total_mem_units;
227 	struct nfp_fl_internal_ports internal_ports;
228 	struct delayed_work qos_stats_work;
229 	unsigned int qos_rate_limiters;
230 	spinlock_t qos_stats_lock; /* Protect the qos stats */
231 	int pre_tun_rule_cnt;
232 	struct rhashtable merge_table;
233 	struct rhashtable ct_zone_table;
234 	struct nfp_fl_ct_zone_entry *ct_zone_wc;
235 	struct rhashtable ct_map_table;
236 };
237 
238 /**
239  * struct nfp_fl_qos - Flower APP priv data for quality of service
240  * @netdev_port_id:	NFP port number of repr with qos info
241  * @curr_stats:		Currently stored stats updates for qos info
242  * @prev_stats:		Previously stored updates for qos info
243  * @last_update:	Stored time when last stats were updated
244  */
245 struct nfp_fl_qos {
246 	u32 netdev_port_id;
247 	struct nfp_stat_pair curr_stats;
248 	struct nfp_stat_pair prev_stats;
249 	u64 last_update;
250 };
251 
252 /**
253  * struct nfp_flower_repr_priv - Flower APP per-repr priv data
254  * @nfp_repr:		Back pointer to nfp_repr
255  * @lag_port_flags:	Extended port flags to record lag state of repr
256  * @mac_offloaded:	Flag indicating a MAC address is offloaded for repr
257  * @offloaded_mac_addr:	MAC address that has been offloaded for repr
258  * @block_shared:	Flag indicating if offload applies to shared blocks
259  * @mac_list:		List entry of reprs that share the same offloaded MAC
260  * @qos_table:		Stored info on filters implementing qos
261  * @on_bridge:		Indicates if the repr is attached to a bridge
262  */
263 struct nfp_flower_repr_priv {
264 	struct nfp_repr *nfp_repr;
265 	unsigned long lag_port_flags;
266 	bool mac_offloaded;
267 	u8 offloaded_mac_addr[ETH_ALEN];
268 	bool block_shared;
269 	struct list_head mac_list;
270 	struct nfp_fl_qos qos_table;
271 	bool on_bridge;
272 };
273 
274 /**
275  * struct nfp_flower_non_repr_priv - Priv data for non-repr offloaded ports
276  * @list:		List entry of offloaded reprs
277  * @netdev:		Pointer to non-repr net_device
278  * @ref_count:		Number of references held for this priv data
279  * @mac_offloaded:	Flag indicating a MAC address is offloaded for device
280  * @offloaded_mac_addr:	MAC address that has been offloaded for dev
281  */
282 struct nfp_flower_non_repr_priv {
283 	struct list_head list;
284 	struct net_device *netdev;
285 	int ref_count;
286 	bool mac_offloaded;
287 	u8 offloaded_mac_addr[ETH_ALEN];
288 };
289 
290 struct nfp_fl_key_ls {
291 	u32 key_layer_two;
292 	u8 key_layer;
293 	int key_size;
294 };
295 
296 struct nfp_fl_rule_metadata {
297 	u8 key_len;
298 	u8 mask_len;
299 	u8 act_len;
300 	u8 flags;
301 	__be32 host_ctx_id;
302 	__be64 host_cookie __packed;
303 	__be64 flow_version __packed;
304 	__be32 shortcut;
305 };
306 
307 struct nfp_fl_stats {
308 	u64 pkts;
309 	u64 bytes;
310 	u64 used;
311 };
312 
313 /**
314  * struct nfp_ipv6_addr_entry - cached IPv6 addresses
315  * @ipv6_addr:	IP address
316  * @ref_count:	number of rules currently using this IP
317  * @list:	list pointer
318  */
319 struct nfp_ipv6_addr_entry {
320 	struct in6_addr ipv6_addr;
321 	int ref_count;
322 	struct list_head list;
323 };
324 
325 struct nfp_fl_payload {
326 	struct nfp_fl_rule_metadata meta;
327 	unsigned long tc_flower_cookie;
328 	struct rhash_head fl_node;
329 	struct rcu_head rcu;
330 	__be32 nfp_tun_ipv4_addr;
331 	struct nfp_ipv6_addr_entry *nfp_tun_ipv6;
332 	struct net_device *ingress_dev;
333 	char *unmasked_data;
334 	char *mask_data;
335 	char *action_data;
336 	struct list_head linked_flows;
337 	bool in_hw;
338 	struct {
339 		struct net_device *dev;
340 		__be16 vlan_tci;
341 		__be16 port_idx;
342 	} pre_tun_rule;
343 };
344 
345 struct nfp_fl_payload_link {
346 	/* A link contains a pointer to a merge flow and an associated sub_flow.
347 	 * Each merge flow will feature in 2 links to its underlying sub_flows.
348 	 * A sub_flow will have at least 1 link to a merge flow or more if it
349 	 * has been used to create multiple merge flows.
350 	 *
351 	 * For a merge flow, 'linked_flows' in its nfp_fl_payload struct lists
352 	 * all links to sub_flows (sub_flow.flow) via merge.list.
353 	 * For a sub_flow, 'linked_flows' gives all links to merge flows it has
354 	 * formed (merge_flow.flow) via sub_flow.list.
355 	 */
356 	struct {
357 		struct list_head list;
358 		struct nfp_fl_payload *flow;
359 	} merge_flow, sub_flow;
360 };
361 
362 extern const struct rhashtable_params nfp_flower_table_params;
363 extern const struct rhashtable_params merge_table_params;
364 
365 struct nfp_merge_info {
366 	u64 parent_ctx;
367 	struct rhash_head ht_node;
368 };
369 
370 struct nfp_fl_stats_frame {
371 	__be32 stats_con_id;
372 	__be32 pkt_count;
373 	__be64 byte_count;
374 	__be64 stats_cookie;
375 };
376 
377 static inline bool
nfp_flower_internal_port_can_offload(struct nfp_app * app,struct net_device * netdev)378 nfp_flower_internal_port_can_offload(struct nfp_app *app,
379 				     struct net_device *netdev)
380 {
381 	struct nfp_flower_priv *app_priv = app->priv;
382 
383 	if (!(app_priv->flower_en_feats & NFP_FL_ENABLE_FLOW_MERGE))
384 		return false;
385 	if (!netdev->rtnl_link_ops)
386 		return false;
387 	if (!strcmp(netdev->rtnl_link_ops->kind, "openvswitch"))
388 		return true;
389 
390 	return false;
391 }
392 
393 /* The address of the merged flow acts as its cookie.
394  * Cookies supplied to us by TC flower are also addresses to allocated
395  * memory and thus this scheme should not generate any collisions.
396  */
nfp_flower_is_merge_flow(struct nfp_fl_payload * flow_pay)397 static inline bool nfp_flower_is_merge_flow(struct nfp_fl_payload *flow_pay)
398 {
399 	return flow_pay->tc_flower_cookie == (unsigned long)flow_pay;
400 }
401 
nfp_flower_is_supported_bridge(struct net_device * netdev)402 static inline bool nfp_flower_is_supported_bridge(struct net_device *netdev)
403 {
404 	return netif_is_ovs_master(netdev);
405 }
406 
407 int nfp_flower_metadata_init(struct nfp_app *app, u64 host_ctx_count,
408 			     unsigned int host_ctx_split);
409 void nfp_flower_metadata_cleanup(struct nfp_app *app);
410 
411 int nfp_flower_setup_tc(struct nfp_app *app, struct net_device *netdev,
412 			enum tc_setup_type type, void *type_data);
413 int nfp_flower_merge_offloaded_flows(struct nfp_app *app,
414 				     struct nfp_fl_payload *sub_flow1,
415 				     struct nfp_fl_payload *sub_flow2);
416 void
417 nfp_flower_compile_meta(struct nfp_flower_meta_tci *ext,
418 			struct nfp_flower_meta_tci *msk, u8 key_type);
419 void
420 nfp_flower_compile_tci(struct nfp_flower_meta_tci *ext,
421 		       struct nfp_flower_meta_tci *msk,
422 		       struct flow_rule *rule);
423 void
424 nfp_flower_compile_ext_meta(struct nfp_flower_ext_meta *frame, u32 key_ext);
425 int
426 nfp_flower_compile_port(struct nfp_flower_in_port *frame, u32 cmsg_port,
427 			bool mask_version, enum nfp_flower_tun_type tun_type,
428 			struct netlink_ext_ack *extack);
429 void
430 nfp_flower_compile_mac(struct nfp_flower_mac_mpls *ext,
431 		       struct nfp_flower_mac_mpls *msk,
432 		       struct flow_rule *rule);
433 int
434 nfp_flower_compile_mpls(struct nfp_flower_mac_mpls *ext,
435 			struct nfp_flower_mac_mpls *msk,
436 			struct flow_rule *rule,
437 			struct netlink_ext_ack *extack);
438 void
439 nfp_flower_compile_tport(struct nfp_flower_tp_ports *ext,
440 			 struct nfp_flower_tp_ports *msk,
441 			 struct flow_rule *rule);
442 void
443 nfp_flower_compile_vlan(struct nfp_flower_vlan *ext,
444 			struct nfp_flower_vlan *msk,
445 			struct flow_rule *rule);
446 void
447 nfp_flower_compile_ipv4(struct nfp_flower_ipv4 *ext,
448 			struct nfp_flower_ipv4 *msk, struct flow_rule *rule);
449 void
450 nfp_flower_compile_ipv6(struct nfp_flower_ipv6 *ext,
451 			struct nfp_flower_ipv6 *msk, struct flow_rule *rule);
452 void
453 nfp_flower_compile_geneve_opt(u8 *ext, u8 *msk, struct flow_rule *rule);
454 void
455 nfp_flower_compile_ipv4_gre_tun(struct nfp_flower_ipv4_gre_tun *ext,
456 				struct nfp_flower_ipv4_gre_tun *msk,
457 				struct flow_rule *rule);
458 void
459 nfp_flower_compile_ipv4_udp_tun(struct nfp_flower_ipv4_udp_tun *ext,
460 				struct nfp_flower_ipv4_udp_tun *msk,
461 				struct flow_rule *rule);
462 void
463 nfp_flower_compile_ipv6_udp_tun(struct nfp_flower_ipv6_udp_tun *ext,
464 				struct nfp_flower_ipv6_udp_tun *msk,
465 				struct flow_rule *rule);
466 void
467 nfp_flower_compile_ipv6_gre_tun(struct nfp_flower_ipv6_gre_tun *ext,
468 				struct nfp_flower_ipv6_gre_tun *msk,
469 				struct flow_rule *rule);
470 int nfp_flower_compile_flow_match(struct nfp_app *app,
471 				  struct flow_rule *rule,
472 				  struct nfp_fl_key_ls *key_ls,
473 				  struct net_device *netdev,
474 				  struct nfp_fl_payload *nfp_flow,
475 				  enum nfp_flower_tun_type tun_type,
476 				  struct netlink_ext_ack *extack);
477 int nfp_flower_compile_action(struct nfp_app *app,
478 			      struct flow_rule *rule,
479 			      struct net_device *netdev,
480 			      struct nfp_fl_payload *nfp_flow,
481 			      struct netlink_ext_ack *extack);
482 int nfp_compile_flow_metadata(struct nfp_app *app, u32 cookie,
483 			      struct nfp_fl_payload *nfp_flow,
484 			      struct net_device *netdev,
485 			      struct netlink_ext_ack *extack);
486 void __nfp_modify_flow_metadata(struct nfp_flower_priv *priv,
487 				struct nfp_fl_payload *nfp_flow);
488 int nfp_modify_flow_metadata(struct nfp_app *app,
489 			     struct nfp_fl_payload *nfp_flow);
490 
491 struct nfp_fl_payload *
492 nfp_flower_search_fl_table(struct nfp_app *app, unsigned long tc_flower_cookie,
493 			   struct net_device *netdev);
494 struct nfp_fl_payload *
495 nfp_flower_get_fl_payload_from_ctx(struct nfp_app *app, u32 ctx_id);
496 struct nfp_fl_payload *
497 nfp_flower_remove_fl_table(struct nfp_app *app, unsigned long tc_flower_cookie);
498 
499 void nfp_flower_rx_flow_stats(struct nfp_app *app, struct sk_buff *skb);
500 
501 int nfp_tunnel_config_start(struct nfp_app *app);
502 void nfp_tunnel_config_stop(struct nfp_app *app);
503 int nfp_tunnel_mac_event_handler(struct nfp_app *app,
504 				 struct net_device *netdev,
505 				 unsigned long event, void *ptr);
506 void nfp_tunnel_del_ipv4_off(struct nfp_app *app, __be32 ipv4);
507 void nfp_tunnel_add_ipv4_off(struct nfp_app *app, __be32 ipv4);
508 void
509 nfp_tunnel_put_ipv6_off(struct nfp_app *app, struct nfp_ipv6_addr_entry *entry);
510 struct nfp_ipv6_addr_entry *
511 nfp_tunnel_add_ipv6_off(struct nfp_app *app, struct in6_addr *ipv6);
512 void nfp_tunnel_request_route_v4(struct nfp_app *app, struct sk_buff *skb);
513 void nfp_tunnel_request_route_v6(struct nfp_app *app, struct sk_buff *skb);
514 void nfp_tunnel_keep_alive(struct nfp_app *app, struct sk_buff *skb);
515 void nfp_tunnel_keep_alive_v6(struct nfp_app *app, struct sk_buff *skb);
516 void nfp_flower_lag_init(struct nfp_fl_lag *lag);
517 void nfp_flower_lag_cleanup(struct nfp_fl_lag *lag);
518 int nfp_flower_lag_reset(struct nfp_fl_lag *lag);
519 int nfp_flower_lag_netdev_event(struct nfp_flower_priv *priv,
520 				struct net_device *netdev,
521 				unsigned long event, void *ptr);
522 bool nfp_flower_lag_unprocessed_msg(struct nfp_app *app, struct sk_buff *skb);
523 int nfp_flower_lag_populate_pre_action(struct nfp_app *app,
524 				       struct net_device *master,
525 				       struct nfp_fl_pre_lag *pre_act,
526 				       struct netlink_ext_ack *extack);
527 int nfp_flower_lag_get_output_id(struct nfp_app *app,
528 				 struct net_device *master);
529 void nfp_flower_qos_init(struct nfp_app *app);
530 void nfp_flower_qos_cleanup(struct nfp_app *app);
531 int nfp_flower_setup_qos_offload(struct nfp_app *app, struct net_device *netdev,
532 				 struct tc_cls_matchall_offload *flow);
533 void nfp_flower_stats_rlim_reply(struct nfp_app *app, struct sk_buff *skb);
534 int nfp_flower_indr_setup_tc_cb(struct net_device *netdev, struct Qdisc *sch, void *cb_priv,
535 				enum tc_setup_type type, void *type_data,
536 				void *data,
537 				void (*cleanup)(struct flow_block_cb *block_cb));
538 void nfp_flower_setup_indr_tc_release(void *cb_priv);
539 
540 void
541 __nfp_flower_non_repr_priv_get(struct nfp_flower_non_repr_priv *non_repr_priv);
542 struct nfp_flower_non_repr_priv *
543 nfp_flower_non_repr_priv_get(struct nfp_app *app, struct net_device *netdev);
544 void
545 __nfp_flower_non_repr_priv_put(struct nfp_flower_non_repr_priv *non_repr_priv);
546 void
547 nfp_flower_non_repr_priv_put(struct nfp_app *app, struct net_device *netdev);
548 u32 nfp_flower_get_port_id_from_netdev(struct nfp_app *app,
549 				       struct net_device *netdev);
550 int nfp_flower_xmit_pre_tun_flow(struct nfp_app *app,
551 				 struct nfp_fl_payload *flow);
552 int nfp_flower_xmit_pre_tun_del_flow(struct nfp_app *app,
553 				     struct nfp_fl_payload *flow);
554 
555 struct nfp_fl_payload *
556 nfp_flower_allocate_new(struct nfp_fl_key_ls *key_layer);
557 int nfp_flower_calculate_key_layers(struct nfp_app *app,
558 				    struct net_device *netdev,
559 				    struct nfp_fl_key_ls *ret_key_ls,
560 				    struct flow_rule *flow,
561 				    enum nfp_flower_tun_type *tun_type,
562 				    struct netlink_ext_ack *extack);
563 void
564 nfp_flower_del_linked_merge_flows(struct nfp_app *app,
565 				  struct nfp_fl_payload *sub_flow);
566 int
567 nfp_flower_xmit_flow(struct nfp_app *app, struct nfp_fl_payload *nfp_flow,
568 		     u8 mtype);
569 void
570 nfp_flower_update_merge_stats(struct nfp_app *app,
571 			      struct nfp_fl_payload *sub_flow);
572 #endif
573