1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 /* Copyright (C) 2017-2018 Netronome Systems, Inc. */
4 #include <linux/skbuff.h>
5 #include <net/devlink.h>
6 #include <net/pkt_cls.h>
10 #include "../nfpcore/nfp_cpp.h"
11 #include "../nfpcore/nfp_nsp.h"
12 #include "../nfp_app.h"
13 #include "../nfp_main.h"
14 #include "../nfp_net.h"
15 #include "../nfp_port.h"
17 #define NFP_FLOWER_SUPPORTED_TCPFLAGS \
18 (TCPHDR_FIN | TCPHDR_SYN | TCPHDR_RST | \
19 TCPHDR_PSH | TCPHDR_URG)
21 #define NFP_FLOWER_SUPPORTED_CTLFLAGS \
22 (FLOW_DIS_IS_FRAGMENT | \
25 #define NFP_FLOWER_WHITELIST_DISSECTOR \
26 (BIT(FLOW_DISSECTOR_KEY_CONTROL) | \
27 BIT(FLOW_DISSECTOR_KEY_BASIC) | \
28 BIT(FLOW_DISSECTOR_KEY_IPV4_ADDRS) | \
29 BIT(FLOW_DISSECTOR_KEY_IPV6_ADDRS) | \
30 BIT(FLOW_DISSECTOR_KEY_TCP) | \
31 BIT(FLOW_DISSECTOR_KEY_PORTS) | \
32 BIT(FLOW_DISSECTOR_KEY_ETH_ADDRS) | \
33 BIT(FLOW_DISSECTOR_KEY_VLAN) | \
34 BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | \
35 BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | \
36 BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | \
37 BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | \
38 BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | \
39 BIT(FLOW_DISSECTOR_KEY_ENC_OPTS) | \
40 BIT(FLOW_DISSECTOR_KEY_ENC_IP) | \
41 BIT(FLOW_DISSECTOR_KEY_MPLS) | \
42 BIT(FLOW_DISSECTOR_KEY_IP))
44 #define NFP_FLOWER_WHITELIST_TUN_DISSECTOR \
45 (BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | \
46 BIT(FLOW_DISSECTOR_KEY_ENC_KEYID) | \
47 BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | \
48 BIT(FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS) | \
49 BIT(FLOW_DISSECTOR_KEY_ENC_OPTS) | \
50 BIT(FLOW_DISSECTOR_KEY_ENC_PORTS) | \
51 BIT(FLOW_DISSECTOR_KEY_ENC_IP))
53 #define NFP_FLOWER_WHITELIST_TUN_DISSECTOR_R \
54 (BIT(FLOW_DISSECTOR_KEY_ENC_CONTROL) | \
55 BIT(FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS) | \
56 BIT(FLOW_DISSECTOR_KEY_ENC_PORTS))
59 nfp_flower_xmit_flow(struct nfp_app *app, struct nfp_fl_payload *nfp_flow,
62 u32 meta_len, key_len, mask_len, act_len, tot_len;
66 meta_len = sizeof(struct nfp_fl_rule_metadata);
67 key_len = nfp_flow->meta.key_len;
68 mask_len = nfp_flow->meta.mask_len;
69 act_len = nfp_flow->meta.act_len;
71 tot_len = meta_len + key_len + mask_len + act_len;
73 /* Convert to long words as firmware expects
74 * lengths in units of NFP_FL_LW_SIZ.
76 nfp_flow->meta.key_len >>= NFP_FL_LW_SIZ;
77 nfp_flow->meta.mask_len >>= NFP_FL_LW_SIZ;
78 nfp_flow->meta.act_len >>= NFP_FL_LW_SIZ;
80 skb = nfp_flower_cmsg_alloc(app, tot_len, mtype, GFP_KERNEL);
84 msg = nfp_flower_cmsg_get_data(skb);
85 memcpy(msg, &nfp_flow->meta, meta_len);
86 memcpy(&msg[meta_len], nfp_flow->unmasked_data, key_len);
87 memcpy(&msg[meta_len + key_len], nfp_flow->mask_data, mask_len);
88 memcpy(&msg[meta_len + key_len + mask_len],
89 nfp_flow->action_data, act_len);
91 /* Convert back to bytes as software expects
92 * lengths in units of bytes.
94 nfp_flow->meta.key_len <<= NFP_FL_LW_SIZ;
95 nfp_flow->meta.mask_len <<= NFP_FL_LW_SIZ;
96 nfp_flow->meta.act_len <<= NFP_FL_LW_SIZ;
98 nfp_ctrl_tx(app->ctrl, skb);
103 static bool nfp_flower_check_higher_than_mac(struct tc_cls_flower_offload *f)
105 return dissector_uses_key(f->dissector,
106 FLOW_DISSECTOR_KEY_IPV4_ADDRS) ||
107 dissector_uses_key(f->dissector,
108 FLOW_DISSECTOR_KEY_IPV6_ADDRS) ||
109 dissector_uses_key(f->dissector,
110 FLOW_DISSECTOR_KEY_PORTS) ||
111 dissector_uses_key(f->dissector, FLOW_DISSECTOR_KEY_ICMP);
115 nfp_flower_calc_opt_layer(struct flow_dissector_key_enc_opts *enc_opts,
116 u32 *key_layer_two, int *key_size)
118 if (enc_opts->len > NFP_FL_MAX_GENEVE_OPT_KEY)
121 if (enc_opts->len > 0) {
122 *key_layer_two |= NFP_FLOWER_LAYER2_GENEVE_OP;
123 *key_size += sizeof(struct nfp_flower_geneve_options);
130 nfp_flower_calculate_key_layers(struct nfp_app *app,
131 struct net_device *netdev,
132 struct nfp_fl_key_ls *ret_key_ls,
133 struct tc_cls_flower_offload *flow,
134 enum nfp_flower_tun_type *tun_type)
136 struct flow_dissector_key_basic *mask_basic = NULL;
137 struct flow_dissector_key_basic *key_basic = NULL;
138 struct nfp_flower_priv *priv = app->priv;
144 if (flow->dissector->used_keys & ~NFP_FLOWER_WHITELIST_DISSECTOR)
147 /* If any tun dissector is used then the required set must be used. */
148 if (flow->dissector->used_keys & NFP_FLOWER_WHITELIST_TUN_DISSECTOR &&
149 (flow->dissector->used_keys & NFP_FLOWER_WHITELIST_TUN_DISSECTOR_R)
150 != NFP_FLOWER_WHITELIST_TUN_DISSECTOR_R)
154 key_layer = NFP_FLOWER_LAYER_PORT;
155 key_size = sizeof(struct nfp_flower_meta_tci) +
156 sizeof(struct nfp_flower_in_port);
158 if (dissector_uses_key(flow->dissector, FLOW_DISSECTOR_KEY_ETH_ADDRS) ||
159 dissector_uses_key(flow->dissector, FLOW_DISSECTOR_KEY_MPLS)) {
160 key_layer |= NFP_FLOWER_LAYER_MAC;
161 key_size += sizeof(struct nfp_flower_mac_mpls);
164 if (dissector_uses_key(flow->dissector, FLOW_DISSECTOR_KEY_VLAN)) {
165 struct flow_dissector_key_vlan *flow_vlan;
167 flow_vlan = skb_flow_dissector_target(flow->dissector,
168 FLOW_DISSECTOR_KEY_VLAN,
170 if (!(priv->flower_ext_feats & NFP_FL_FEATS_VLAN_PCP) &&
171 flow_vlan->vlan_priority)
175 if (dissector_uses_key(flow->dissector,
176 FLOW_DISSECTOR_KEY_ENC_CONTROL)) {
177 struct flow_dissector_key_ipv4_addrs *mask_ipv4 = NULL;
178 struct flow_dissector_key_ports *mask_enc_ports = NULL;
179 struct flow_dissector_key_enc_opts *enc_op = NULL;
180 struct flow_dissector_key_ports *enc_ports = NULL;
181 struct flow_dissector_key_control *mask_enc_ctl =
182 skb_flow_dissector_target(flow->dissector,
183 FLOW_DISSECTOR_KEY_ENC_CONTROL,
185 struct flow_dissector_key_control *enc_ctl =
186 skb_flow_dissector_target(flow->dissector,
187 FLOW_DISSECTOR_KEY_ENC_CONTROL,
190 if (mask_enc_ctl->addr_type != 0xffff ||
191 enc_ctl->addr_type != FLOW_DISSECTOR_KEY_IPV4_ADDRS)
194 /* These fields are already verified as used. */
196 skb_flow_dissector_target(flow->dissector,
197 FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS,
199 if (mask_ipv4->dst != cpu_to_be32(~0))
203 skb_flow_dissector_target(flow->dissector,
204 FLOW_DISSECTOR_KEY_ENC_PORTS,
207 skb_flow_dissector_target(flow->dissector,
208 FLOW_DISSECTOR_KEY_ENC_PORTS,
211 if (mask_enc_ports->dst != cpu_to_be16(~0))
214 if (dissector_uses_key(flow->dissector,
215 FLOW_DISSECTOR_KEY_ENC_OPTS)) {
216 enc_op = skb_flow_dissector_target(flow->dissector,
217 FLOW_DISSECTOR_KEY_ENC_OPTS,
221 switch (enc_ports->dst) {
222 case htons(NFP_FL_VXLAN_PORT):
223 *tun_type = NFP_FL_TUNNEL_VXLAN;
224 key_layer |= NFP_FLOWER_LAYER_VXLAN;
225 key_size += sizeof(struct nfp_flower_ipv4_udp_tun);
230 case htons(NFP_FL_GENEVE_PORT):
231 if (!(priv->flower_ext_feats & NFP_FL_FEATS_GENEVE))
233 *tun_type = NFP_FL_TUNNEL_GENEVE;
234 key_layer |= NFP_FLOWER_LAYER_EXT_META;
235 key_size += sizeof(struct nfp_flower_ext_meta);
236 key_layer_two |= NFP_FLOWER_LAYER2_GENEVE;
237 key_size += sizeof(struct nfp_flower_ipv4_udp_tun);
241 if (!(priv->flower_ext_feats & NFP_FL_FEATS_GENEVE_OPT))
243 err = nfp_flower_calc_opt_layer(enc_op, &key_layer_two,
252 /* Ensure the ingress netdev matches the expected tun type. */
253 if (!nfp_fl_netdev_is_tunnel_type(netdev, *tun_type))
257 if (dissector_uses_key(flow->dissector, FLOW_DISSECTOR_KEY_BASIC)) {
258 mask_basic = skb_flow_dissector_target(flow->dissector,
259 FLOW_DISSECTOR_KEY_BASIC,
262 key_basic = skb_flow_dissector_target(flow->dissector,
263 FLOW_DISSECTOR_KEY_BASIC,
267 if (mask_basic && mask_basic->n_proto) {
268 /* Ethernet type is present in the key. */
269 switch (key_basic->n_proto) {
270 case cpu_to_be16(ETH_P_IP):
271 key_layer |= NFP_FLOWER_LAYER_IPV4;
272 key_size += sizeof(struct nfp_flower_ipv4);
275 case cpu_to_be16(ETH_P_IPV6):
276 key_layer |= NFP_FLOWER_LAYER_IPV6;
277 key_size += sizeof(struct nfp_flower_ipv6);
280 /* Currently we do not offload ARP
281 * because we rely on it to get to the host.
283 case cpu_to_be16(ETH_P_ARP):
286 case cpu_to_be16(ETH_P_MPLS_UC):
287 case cpu_to_be16(ETH_P_MPLS_MC):
288 if (!(key_layer & NFP_FLOWER_LAYER_MAC)) {
289 key_layer |= NFP_FLOWER_LAYER_MAC;
290 key_size += sizeof(struct nfp_flower_mac_mpls);
294 /* Will be included in layer 2. */
295 case cpu_to_be16(ETH_P_8021Q):
299 /* Other ethtype - we need check the masks for the
300 * remainder of the key to ensure we can offload.
302 if (nfp_flower_check_higher_than_mac(flow))
308 if (mask_basic && mask_basic->ip_proto) {
309 /* Ethernet type is present in the key. */
310 switch (key_basic->ip_proto) {
316 key_layer |= NFP_FLOWER_LAYER_TP;
317 key_size += sizeof(struct nfp_flower_tp_ports);
320 /* Other ip proto - we need check the masks for the
321 * remainder of the key to ensure we can offload.
327 if (dissector_uses_key(flow->dissector, FLOW_DISSECTOR_KEY_TCP)) {
328 struct flow_dissector_key_tcp *tcp;
331 tcp = skb_flow_dissector_target(flow->dissector,
332 FLOW_DISSECTOR_KEY_TCP,
334 tcp_flags = be16_to_cpu(tcp->flags);
336 if (tcp_flags & ~NFP_FLOWER_SUPPORTED_TCPFLAGS)
339 /* We only support PSH and URG flags when either
340 * FIN, SYN or RST is present as well.
342 if ((tcp_flags & (TCPHDR_PSH | TCPHDR_URG)) &&
343 !(tcp_flags & (TCPHDR_FIN | TCPHDR_SYN | TCPHDR_RST)))
346 /* We need to store TCP flags in the IPv4 key space, thus
347 * we need to ensure we include a IPv4 key layer if we have
348 * not done so already.
350 if (!(key_layer & NFP_FLOWER_LAYER_IPV4)) {
351 key_layer |= NFP_FLOWER_LAYER_IPV4;
352 key_size += sizeof(struct nfp_flower_ipv4);
356 if (dissector_uses_key(flow->dissector, FLOW_DISSECTOR_KEY_CONTROL)) {
357 struct flow_dissector_key_control *key_ctl;
359 key_ctl = skb_flow_dissector_target(flow->dissector,
360 FLOW_DISSECTOR_KEY_CONTROL,
363 if (key_ctl->flags & ~NFP_FLOWER_SUPPORTED_CTLFLAGS)
367 ret_key_ls->key_layer = key_layer;
368 ret_key_ls->key_layer_two = key_layer_two;
369 ret_key_ls->key_size = key_size;
374 static struct nfp_fl_payload *
375 nfp_flower_allocate_new(struct nfp_fl_key_ls *key_layer)
377 struct nfp_fl_payload *flow_pay;
379 flow_pay = kmalloc(sizeof(*flow_pay), GFP_KERNEL);
383 flow_pay->meta.key_len = key_layer->key_size;
384 flow_pay->unmasked_data = kmalloc(key_layer->key_size, GFP_KERNEL);
385 if (!flow_pay->unmasked_data)
388 flow_pay->meta.mask_len = key_layer->key_size;
389 flow_pay->mask_data = kmalloc(key_layer->key_size, GFP_KERNEL);
390 if (!flow_pay->mask_data)
391 goto err_free_unmasked;
393 flow_pay->action_data = kmalloc(NFP_FL_MAX_A_SIZ, GFP_KERNEL);
394 if (!flow_pay->action_data)
397 flow_pay->nfp_tun_ipv4_addr = 0;
398 flow_pay->meta.flags = 0;
403 kfree(flow_pay->mask_data);
405 kfree(flow_pay->unmasked_data);
412 * nfp_flower_add_offload() - Adds a new flow to hardware.
413 * @app: Pointer to the APP handle
414 * @netdev: netdev structure.
415 * @flow: TC flower classifier offload structure.
417 * Adds a new flow to the repeated hash structure and action payload.
419 * Return: negative value on error, 0 if configured successfully.
422 nfp_flower_add_offload(struct nfp_app *app, struct net_device *netdev,
423 struct tc_cls_flower_offload *flow)
425 enum nfp_flower_tun_type tun_type = NFP_FL_TUNNEL_NONE;
426 struct nfp_flower_priv *priv = app->priv;
427 struct nfp_fl_payload *flow_pay;
428 struct nfp_fl_key_ls *key_layer;
429 struct nfp_port *port = NULL;
432 if (nfp_netdev_is_nfp_repr(netdev))
433 port = nfp_port_from_netdev(netdev);
435 key_layer = kmalloc(sizeof(*key_layer), GFP_KERNEL);
439 err = nfp_flower_calculate_key_layers(app, netdev, key_layer, flow,
442 goto err_free_key_ls;
444 flow_pay = nfp_flower_allocate_new(key_layer);
447 goto err_free_key_ls;
450 err = nfp_flower_compile_flow_match(app, flow, key_layer, netdev,
453 goto err_destroy_flow;
455 err = nfp_flower_compile_action(app, flow, netdev, flow_pay);
457 goto err_destroy_flow;
459 err = nfp_compile_flow_metadata(app, flow, flow_pay, netdev);
461 goto err_destroy_flow;
463 flow_pay->tc_flower_cookie = flow->cookie;
464 err = rhashtable_insert_fast(&priv->flow_table, &flow_pay->fl_node,
465 nfp_flower_table_params);
467 goto err_release_metadata;
469 err = nfp_flower_xmit_flow(app, flow_pay,
470 NFP_FLOWER_CMSG_TYPE_FLOW_ADD);
472 goto err_remove_rhash;
475 port->tc_offload_cnt++;
477 /* Deallocate flow payload when flower rule has been destroyed. */
483 WARN_ON_ONCE(rhashtable_remove_fast(&priv->flow_table,
485 nfp_flower_table_params));
486 err_release_metadata:
487 nfp_modify_flow_metadata(app, flow_pay);
489 kfree(flow_pay->action_data);
490 kfree(flow_pay->mask_data);
491 kfree(flow_pay->unmasked_data);
499 * nfp_flower_del_offload() - Removes a flow from hardware.
500 * @app: Pointer to the APP handle
501 * @netdev: netdev structure.
502 * @flow: TC flower classifier offload structure
504 * Removes a flow from the repeated hash structure and clears the
507 * Return: negative value on error, 0 if removed successfully.
510 nfp_flower_del_offload(struct nfp_app *app, struct net_device *netdev,
511 struct tc_cls_flower_offload *flow)
513 struct nfp_flower_priv *priv = app->priv;
514 struct nfp_fl_payload *nfp_flow;
515 struct nfp_port *port = NULL;
518 if (nfp_netdev_is_nfp_repr(netdev))
519 port = nfp_port_from_netdev(netdev);
521 nfp_flow = nfp_flower_search_fl_table(app, flow->cookie, netdev);
525 err = nfp_modify_flow_metadata(app, nfp_flow);
529 if (nfp_flow->nfp_tun_ipv4_addr)
530 nfp_tunnel_del_ipv4_off(app, nfp_flow->nfp_tun_ipv4_addr);
532 err = nfp_flower_xmit_flow(app, nfp_flow,
533 NFP_FLOWER_CMSG_TYPE_FLOW_DEL);
539 port->tc_offload_cnt--;
540 kfree(nfp_flow->action_data);
541 kfree(nfp_flow->mask_data);
542 kfree(nfp_flow->unmasked_data);
543 WARN_ON_ONCE(rhashtable_remove_fast(&priv->flow_table,
545 nfp_flower_table_params));
546 kfree_rcu(nfp_flow, rcu);
551 * nfp_flower_get_stats() - Populates flow stats obtained from hardware.
552 * @app: Pointer to the APP handle
553 * @netdev: Netdev structure.
554 * @flow: TC flower classifier offload structure
556 * Populates a flow statistics structure which which corresponds to a
559 * Return: negative value on error, 0 if stats populated successfully.
562 nfp_flower_get_stats(struct nfp_app *app, struct net_device *netdev,
563 struct tc_cls_flower_offload *flow)
565 struct nfp_flower_priv *priv = app->priv;
566 struct nfp_fl_payload *nfp_flow;
569 nfp_flow = nfp_flower_search_fl_table(app, flow->cookie, netdev);
573 ctx_id = be32_to_cpu(nfp_flow->meta.host_ctx_id);
575 spin_lock_bh(&priv->stats_lock);
576 tcf_exts_stats_update(flow->exts, priv->stats[ctx_id].bytes,
577 priv->stats[ctx_id].pkts,
578 priv->stats[ctx_id].used);
580 priv->stats[ctx_id].pkts = 0;
581 priv->stats[ctx_id].bytes = 0;
582 spin_unlock_bh(&priv->stats_lock);
588 nfp_flower_repr_offload(struct nfp_app *app, struct net_device *netdev,
589 struct tc_cls_flower_offload *flower)
591 if (!eth_proto_is_802_3(flower->common.protocol))
594 switch (flower->command) {
595 case TC_CLSFLOWER_REPLACE:
596 return nfp_flower_add_offload(app, netdev, flower);
597 case TC_CLSFLOWER_DESTROY:
598 return nfp_flower_del_offload(app, netdev, flower);
599 case TC_CLSFLOWER_STATS:
600 return nfp_flower_get_stats(app, netdev, flower);
606 static int nfp_flower_setup_tc_block_cb(enum tc_setup_type type,
607 void *type_data, void *cb_priv)
609 struct nfp_repr *repr = cb_priv;
611 if (!tc_cls_can_offload_and_chain0(repr->netdev, type_data))
615 case TC_SETUP_CLSFLOWER:
616 return nfp_flower_repr_offload(repr->app, repr->netdev,
623 static int nfp_flower_setup_tc_block(struct net_device *netdev,
624 struct tc_block_offload *f)
626 struct nfp_repr *repr = netdev_priv(netdev);
628 if (f->binder_type != TCF_BLOCK_BINDER_TYPE_CLSACT_INGRESS)
631 switch (f->command) {
633 return tcf_block_cb_register(f->block,
634 nfp_flower_setup_tc_block_cb,
635 repr, repr, f->extack);
636 case TC_BLOCK_UNBIND:
637 tcf_block_cb_unregister(f->block,
638 nfp_flower_setup_tc_block_cb,
646 int nfp_flower_setup_tc(struct nfp_app *app, struct net_device *netdev,
647 enum tc_setup_type type, void *type_data)
651 return nfp_flower_setup_tc_block(netdev, type_data);
657 struct nfp_flower_indr_block_cb_priv {
658 struct net_device *netdev;
660 struct list_head list;
663 static struct nfp_flower_indr_block_cb_priv *
664 nfp_flower_indr_block_cb_priv_lookup(struct nfp_app *app,
665 struct net_device *netdev)
667 struct nfp_flower_indr_block_cb_priv *cb_priv;
668 struct nfp_flower_priv *priv = app->priv;
670 /* All callback list access should be protected by RTNL. */
673 list_for_each_entry(cb_priv, &priv->indr_block_cb_priv, list)
674 if (cb_priv->netdev == netdev)
680 static int nfp_flower_setup_indr_block_cb(enum tc_setup_type type,
681 void *type_data, void *cb_priv)
683 struct nfp_flower_indr_block_cb_priv *priv = cb_priv;
684 struct tc_cls_flower_offload *flower = type_data;
686 if (flower->common.chain_index)
690 case TC_SETUP_CLSFLOWER:
691 return nfp_flower_repr_offload(priv->app, priv->netdev,
699 nfp_flower_setup_indr_tc_block(struct net_device *netdev, struct nfp_app *app,
700 struct tc_block_offload *f)
702 struct nfp_flower_indr_block_cb_priv *cb_priv;
703 struct nfp_flower_priv *priv = app->priv;
706 if (f->binder_type != TCF_BLOCK_BINDER_TYPE_CLSACT_INGRESS)
709 switch (f->command) {
711 cb_priv = kmalloc(sizeof(*cb_priv), GFP_KERNEL);
715 cb_priv->netdev = netdev;
717 list_add(&cb_priv->list, &priv->indr_block_cb_priv);
719 err = tcf_block_cb_register(f->block,
720 nfp_flower_setup_indr_block_cb,
721 netdev, cb_priv, f->extack);
723 list_del(&cb_priv->list);
728 case TC_BLOCK_UNBIND:
729 tcf_block_cb_unregister(f->block,
730 nfp_flower_setup_indr_block_cb, netdev);
731 cb_priv = nfp_flower_indr_block_cb_priv_lookup(app, netdev);
733 list_del(&cb_priv->list);
745 nfp_flower_indr_setup_tc_cb(struct net_device *netdev, void *cb_priv,
746 enum tc_setup_type type, void *type_data)
750 return nfp_flower_setup_indr_tc_block(netdev, cb_priv,
757 int nfp_flower_reg_indir_block_handler(struct nfp_app *app,
758 struct net_device *netdev,
763 if (!nfp_fl_is_netdev_to_offload(netdev))
766 if (event == NETDEV_REGISTER) {
767 err = __tc_indr_block_cb_register(netdev, app,
768 nfp_flower_indr_setup_tc_cb,
771 nfp_flower_cmsg_warn(app,
772 "Indirect block reg failed - %s\n",
774 } else if (event == NETDEV_UNREGISTER) {
775 __tc_indr_block_cb_unregister(netdev,
776 nfp_flower_indr_setup_tc_cb,