177b9900eSJiri Pirko /* 277b9900eSJiri Pirko * net/sched/cls_flower.c Flower classifier 377b9900eSJiri Pirko * 477b9900eSJiri Pirko * Copyright (c) 2015 Jiri Pirko <jiri@resnulli.us> 577b9900eSJiri Pirko * 677b9900eSJiri Pirko * This program is free software; you can redistribute it and/or modify 777b9900eSJiri Pirko * it under the terms of the GNU General Public License as published by 877b9900eSJiri Pirko * the Free Software Foundation; either version 2 of the License, or 977b9900eSJiri Pirko * (at your option) any later version. 1077b9900eSJiri Pirko */ 1177b9900eSJiri Pirko 1277b9900eSJiri Pirko #include <linux/kernel.h> 1377b9900eSJiri Pirko #include <linux/init.h> 1477b9900eSJiri Pirko #include <linux/module.h> 1577b9900eSJiri Pirko #include <linux/rhashtable.h> 16d9363774SDaniel Borkmann #include <linux/workqueue.h> 1777b9900eSJiri Pirko 1877b9900eSJiri Pirko #include <linux/if_ether.h> 1977b9900eSJiri Pirko #include <linux/in6.h> 2077b9900eSJiri Pirko #include <linux/ip.h> 21a577d8f7SBenjamin LaHaise #include <linux/mpls.h> 2277b9900eSJiri Pirko 2377b9900eSJiri Pirko #include <net/sch_generic.h> 2477b9900eSJiri Pirko #include <net/pkt_cls.h> 2577b9900eSJiri Pirko #include <net/ip.h> 2677b9900eSJiri Pirko #include <net/flow_dissector.h> 270a6e7778SPieter Jansen van Vuuren #include <net/geneve.h> 2877b9900eSJiri Pirko 29bc3103f1SAmir Vadai #include <net/dst.h> 30bc3103f1SAmir Vadai #include <net/dst_metadata.h> 31bc3103f1SAmir Vadai 3277b9900eSJiri Pirko struct fl_flow_key { 3377b9900eSJiri Pirko int indev_ifindex; 3442aecaa9STom Herbert struct flow_dissector_key_control control; 35bc3103f1SAmir Vadai struct flow_dissector_key_control enc_control; 3677b9900eSJiri Pirko struct flow_dissector_key_basic basic; 3777b9900eSJiri Pirko struct flow_dissector_key_eth_addrs eth; 389399ae9aSHadar Hen Zion struct flow_dissector_key_vlan vlan; 39d64efd09SJianbo Liu struct flow_dissector_key_vlan cvlan; 4077b9900eSJiri Pirko union { 41c3f83241STom Herbert struct flow_dissector_key_ipv4_addrs ipv4; 4277b9900eSJiri Pirko struct flow_dissector_key_ipv6_addrs ipv6; 4377b9900eSJiri Pirko }; 4477b9900eSJiri Pirko struct flow_dissector_key_ports tp; 457b684884SSimon Horman struct flow_dissector_key_icmp icmp; 4699d31326SSimon Horman struct flow_dissector_key_arp arp; 47bc3103f1SAmir Vadai struct flow_dissector_key_keyid enc_key_id; 48bc3103f1SAmir Vadai union { 49bc3103f1SAmir Vadai struct flow_dissector_key_ipv4_addrs enc_ipv4; 50bc3103f1SAmir Vadai struct flow_dissector_key_ipv6_addrs enc_ipv6; 51bc3103f1SAmir Vadai }; 52f4d997fdSHadar Hen Zion struct flow_dissector_key_ports enc_tp; 53a577d8f7SBenjamin LaHaise struct flow_dissector_key_mpls mpls; 54fdfc7dd6SJiri Pirko struct flow_dissector_key_tcp tcp; 554d80cc0aSOr Gerlitz struct flow_dissector_key_ip ip; 560e2c17b6SOr Gerlitz struct flow_dissector_key_ip enc_ip; 570a6e7778SPieter Jansen van Vuuren struct flow_dissector_key_enc_opts enc_opts; 585c72299fSAmritha Nambiar struct flow_dissector_key_ports tp_min; 595c72299fSAmritha Nambiar struct flow_dissector_key_ports tp_max; 6077b9900eSJiri Pirko } __aligned(BITS_PER_LONG / 8); /* Ensure that we can do comparisons as longs. */ 6177b9900eSJiri Pirko 6277b9900eSJiri Pirko struct fl_flow_mask_range { 6377b9900eSJiri Pirko unsigned short int start; 6477b9900eSJiri Pirko unsigned short int end; 6577b9900eSJiri Pirko }; 6677b9900eSJiri Pirko 6777b9900eSJiri Pirko struct fl_flow_mask { 6877b9900eSJiri Pirko struct fl_flow_key key; 6977b9900eSJiri Pirko struct fl_flow_mask_range range; 705c72299fSAmritha Nambiar u32 flags; 7105cd271fSPaul Blakey struct rhash_head ht_node; 7205cd271fSPaul Blakey struct rhashtable ht; 7305cd271fSPaul Blakey struct rhashtable_params filter_ht_params; 7405cd271fSPaul Blakey struct flow_dissector dissector; 7505cd271fSPaul Blakey struct list_head filters; 7644a5cd43SPaolo Abeni struct rcu_work rwork; 7705cd271fSPaul Blakey struct list_head list; 7877b9900eSJiri Pirko }; 7977b9900eSJiri Pirko 80b95ec7ebSJiri Pirko struct fl_flow_tmplt { 81b95ec7ebSJiri Pirko struct fl_flow_key dummy_key; 82b95ec7ebSJiri Pirko struct fl_flow_key mask; 83b95ec7ebSJiri Pirko struct flow_dissector dissector; 84b95ec7ebSJiri Pirko struct tcf_chain *chain; 85b95ec7ebSJiri Pirko }; 86b95ec7ebSJiri Pirko 8777b9900eSJiri Pirko struct cls_fl_head { 8877b9900eSJiri Pirko struct rhashtable ht; 8905cd271fSPaul Blakey struct list_head masks; 90aaa908ffSCong Wang struct rcu_work rwork; 91c15ab236SChris Mi struct idr handle_idr; 92d9363774SDaniel Borkmann }; 9377b9900eSJiri Pirko 9477b9900eSJiri Pirko struct cls_fl_filter { 9505cd271fSPaul Blakey struct fl_flow_mask *mask; 9677b9900eSJiri Pirko struct rhash_head ht_node; 9777b9900eSJiri Pirko struct fl_flow_key mkey; 9877b9900eSJiri Pirko struct tcf_exts exts; 9977b9900eSJiri Pirko struct tcf_result res; 10077b9900eSJiri Pirko struct fl_flow_key key; 10177b9900eSJiri Pirko struct list_head list; 10277b9900eSJiri Pirko u32 handle; 103e69985c6SAmir Vadai u32 flags; 10486c55361SVlad Buslov u32 in_hw_count; 105aaa908ffSCong Wang struct rcu_work rwork; 1067091d8c7SHadar Hen Zion struct net_device *hw_dev; 10777b9900eSJiri Pirko }; 10877b9900eSJiri Pirko 10905cd271fSPaul Blakey static const struct rhashtable_params mask_ht_params = { 11005cd271fSPaul Blakey .key_offset = offsetof(struct fl_flow_mask, key), 11105cd271fSPaul Blakey .key_len = sizeof(struct fl_flow_key), 11205cd271fSPaul Blakey .head_offset = offsetof(struct fl_flow_mask, ht_node), 11305cd271fSPaul Blakey .automatic_shrinking = true, 11405cd271fSPaul Blakey }; 11505cd271fSPaul Blakey 11677b9900eSJiri Pirko static unsigned short int fl_mask_range(const struct fl_flow_mask *mask) 11777b9900eSJiri Pirko { 11877b9900eSJiri Pirko return mask->range.end - mask->range.start; 11977b9900eSJiri Pirko } 12077b9900eSJiri Pirko 12177b9900eSJiri Pirko static void fl_mask_update_range(struct fl_flow_mask *mask) 12277b9900eSJiri Pirko { 12377b9900eSJiri Pirko const u8 *bytes = (const u8 *) &mask->key; 12477b9900eSJiri Pirko size_t size = sizeof(mask->key); 12505cd271fSPaul Blakey size_t i, first = 0, last; 12677b9900eSJiri Pirko 12705cd271fSPaul Blakey for (i = 0; i < size; i++) { 12877b9900eSJiri Pirko if (bytes[i]) { 12977b9900eSJiri Pirko first = i; 13005cd271fSPaul Blakey break; 13105cd271fSPaul Blakey } 13205cd271fSPaul Blakey } 13305cd271fSPaul Blakey last = first; 13405cd271fSPaul Blakey for (i = size - 1; i != first; i--) { 13505cd271fSPaul Blakey if (bytes[i]) { 13677b9900eSJiri Pirko last = i; 13705cd271fSPaul Blakey break; 13877b9900eSJiri Pirko } 13977b9900eSJiri Pirko } 14077b9900eSJiri Pirko mask->range.start = rounddown(first, sizeof(long)); 14177b9900eSJiri Pirko mask->range.end = roundup(last + 1, sizeof(long)); 14277b9900eSJiri Pirko } 14377b9900eSJiri Pirko 14477b9900eSJiri Pirko static void *fl_key_get_start(struct fl_flow_key *key, 14577b9900eSJiri Pirko const struct fl_flow_mask *mask) 14677b9900eSJiri Pirko { 14777b9900eSJiri Pirko return (u8 *) key + mask->range.start; 14877b9900eSJiri Pirko } 14977b9900eSJiri Pirko 15077b9900eSJiri Pirko static void fl_set_masked_key(struct fl_flow_key *mkey, struct fl_flow_key *key, 15177b9900eSJiri Pirko struct fl_flow_mask *mask) 15277b9900eSJiri Pirko { 15377b9900eSJiri Pirko const long *lkey = fl_key_get_start(key, mask); 15477b9900eSJiri Pirko const long *lmask = fl_key_get_start(&mask->key, mask); 15577b9900eSJiri Pirko long *lmkey = fl_key_get_start(mkey, mask); 15677b9900eSJiri Pirko int i; 15777b9900eSJiri Pirko 15877b9900eSJiri Pirko for (i = 0; i < fl_mask_range(mask); i += sizeof(long)) 15977b9900eSJiri Pirko *lmkey++ = *lkey++ & *lmask++; 16077b9900eSJiri Pirko } 16177b9900eSJiri Pirko 162b95ec7ebSJiri Pirko static bool fl_mask_fits_tmplt(struct fl_flow_tmplt *tmplt, 163b95ec7ebSJiri Pirko struct fl_flow_mask *mask) 164b95ec7ebSJiri Pirko { 165b95ec7ebSJiri Pirko const long *lmask = fl_key_get_start(&mask->key, mask); 166b95ec7ebSJiri Pirko const long *ltmplt; 167b95ec7ebSJiri Pirko int i; 168b95ec7ebSJiri Pirko 169b95ec7ebSJiri Pirko if (!tmplt) 170b95ec7ebSJiri Pirko return true; 171b95ec7ebSJiri Pirko ltmplt = fl_key_get_start(&tmplt->mask, mask); 172b95ec7ebSJiri Pirko for (i = 0; i < fl_mask_range(mask); i += sizeof(long)) { 173b95ec7ebSJiri Pirko if (~*ltmplt++ & *lmask++) 174b95ec7ebSJiri Pirko return false; 175b95ec7ebSJiri Pirko } 176b95ec7ebSJiri Pirko return true; 177b95ec7ebSJiri Pirko } 178b95ec7ebSJiri Pirko 17977b9900eSJiri Pirko static void fl_clear_masked_range(struct fl_flow_key *key, 18077b9900eSJiri Pirko struct fl_flow_mask *mask) 18177b9900eSJiri Pirko { 18277b9900eSJiri Pirko memset(fl_key_get_start(key, mask), 0, fl_mask_range(mask)); 18377b9900eSJiri Pirko } 18477b9900eSJiri Pirko 1855c72299fSAmritha Nambiar static bool fl_range_port_dst_cmp(struct cls_fl_filter *filter, 1865c72299fSAmritha Nambiar struct fl_flow_key *key, 1875c72299fSAmritha Nambiar struct fl_flow_key *mkey) 1885c72299fSAmritha Nambiar { 1895c72299fSAmritha Nambiar __be16 min_mask, max_mask, min_val, max_val; 1905c72299fSAmritha Nambiar 1915c72299fSAmritha Nambiar min_mask = htons(filter->mask->key.tp_min.dst); 1925c72299fSAmritha Nambiar max_mask = htons(filter->mask->key.tp_max.dst); 1935c72299fSAmritha Nambiar min_val = htons(filter->key.tp_min.dst); 1945c72299fSAmritha Nambiar max_val = htons(filter->key.tp_max.dst); 1955c72299fSAmritha Nambiar 1965c72299fSAmritha Nambiar if (min_mask && max_mask) { 1975c72299fSAmritha Nambiar if (htons(key->tp.dst) < min_val || 1985c72299fSAmritha Nambiar htons(key->tp.dst) > max_val) 1995c72299fSAmritha Nambiar return false; 2005c72299fSAmritha Nambiar 2015c72299fSAmritha Nambiar /* skb does not have min and max values */ 2025c72299fSAmritha Nambiar mkey->tp_min.dst = filter->mkey.tp_min.dst; 2035c72299fSAmritha Nambiar mkey->tp_max.dst = filter->mkey.tp_max.dst; 2045c72299fSAmritha Nambiar } 2055c72299fSAmritha Nambiar return true; 2065c72299fSAmritha Nambiar } 2075c72299fSAmritha Nambiar 2085c72299fSAmritha Nambiar static bool fl_range_port_src_cmp(struct cls_fl_filter *filter, 2095c72299fSAmritha Nambiar struct fl_flow_key *key, 2105c72299fSAmritha Nambiar struct fl_flow_key *mkey) 2115c72299fSAmritha Nambiar { 2125c72299fSAmritha Nambiar __be16 min_mask, max_mask, min_val, max_val; 2135c72299fSAmritha Nambiar 2145c72299fSAmritha Nambiar min_mask = htons(filter->mask->key.tp_min.src); 2155c72299fSAmritha Nambiar max_mask = htons(filter->mask->key.tp_max.src); 2165c72299fSAmritha Nambiar min_val = htons(filter->key.tp_min.src); 2175c72299fSAmritha Nambiar max_val = htons(filter->key.tp_max.src); 2185c72299fSAmritha Nambiar 2195c72299fSAmritha Nambiar if (min_mask && max_mask) { 2205c72299fSAmritha Nambiar if (htons(key->tp.src) < min_val || 2215c72299fSAmritha Nambiar htons(key->tp.src) > max_val) 2225c72299fSAmritha Nambiar return false; 2235c72299fSAmritha Nambiar 2245c72299fSAmritha Nambiar /* skb does not have min and max values */ 2255c72299fSAmritha Nambiar mkey->tp_min.src = filter->mkey.tp_min.src; 2265c72299fSAmritha Nambiar mkey->tp_max.src = filter->mkey.tp_max.src; 2275c72299fSAmritha Nambiar } 2285c72299fSAmritha Nambiar return true; 2295c72299fSAmritha Nambiar } 2305c72299fSAmritha Nambiar 2315c72299fSAmritha Nambiar static struct cls_fl_filter *__fl_lookup(struct fl_flow_mask *mask, 232a3308d8fSPaul Blakey struct fl_flow_key *mkey) 233a3308d8fSPaul Blakey { 23405cd271fSPaul Blakey return rhashtable_lookup_fast(&mask->ht, fl_key_get_start(mkey, mask), 23505cd271fSPaul Blakey mask->filter_ht_params); 236a3308d8fSPaul Blakey } 237a3308d8fSPaul Blakey 2385c72299fSAmritha Nambiar static struct cls_fl_filter *fl_lookup_range(struct fl_flow_mask *mask, 2395c72299fSAmritha Nambiar struct fl_flow_key *mkey, 2405c72299fSAmritha Nambiar struct fl_flow_key *key) 2415c72299fSAmritha Nambiar { 2425c72299fSAmritha Nambiar struct cls_fl_filter *filter, *f; 2435c72299fSAmritha Nambiar 2445c72299fSAmritha Nambiar list_for_each_entry_rcu(filter, &mask->filters, list) { 2455c72299fSAmritha Nambiar if (!fl_range_port_dst_cmp(filter, key, mkey)) 2465c72299fSAmritha Nambiar continue; 2475c72299fSAmritha Nambiar 2485c72299fSAmritha Nambiar if (!fl_range_port_src_cmp(filter, key, mkey)) 2495c72299fSAmritha Nambiar continue; 2505c72299fSAmritha Nambiar 2515c72299fSAmritha Nambiar f = __fl_lookup(mask, mkey); 2525c72299fSAmritha Nambiar if (f) 2535c72299fSAmritha Nambiar return f; 2545c72299fSAmritha Nambiar } 2555c72299fSAmritha Nambiar return NULL; 2565c72299fSAmritha Nambiar } 2575c72299fSAmritha Nambiar 2585c72299fSAmritha Nambiar static struct cls_fl_filter *fl_lookup(struct fl_flow_mask *mask, 2595c72299fSAmritha Nambiar struct fl_flow_key *mkey, 2605c72299fSAmritha Nambiar struct fl_flow_key *key) 2615c72299fSAmritha Nambiar { 2625c72299fSAmritha Nambiar if ((mask->flags & TCA_FLOWER_MASK_FLAGS_RANGE)) 2635c72299fSAmritha Nambiar return fl_lookup_range(mask, mkey, key); 2645c72299fSAmritha Nambiar 2655c72299fSAmritha Nambiar return __fl_lookup(mask, mkey); 2665c72299fSAmritha Nambiar } 2675c72299fSAmritha Nambiar 26877b9900eSJiri Pirko static int fl_classify(struct sk_buff *skb, const struct tcf_proto *tp, 26977b9900eSJiri Pirko struct tcf_result *res) 27077b9900eSJiri Pirko { 27177b9900eSJiri Pirko struct cls_fl_head *head = rcu_dereference_bh(tp->root); 27277b9900eSJiri Pirko struct cls_fl_filter *f; 27305cd271fSPaul Blakey struct fl_flow_mask *mask; 27477b9900eSJiri Pirko struct fl_flow_key skb_key; 27577b9900eSJiri Pirko struct fl_flow_key skb_mkey; 27677b9900eSJiri Pirko 27705cd271fSPaul Blakey list_for_each_entry_rcu(mask, &head->masks, list) { 27805cd271fSPaul Blakey fl_clear_masked_range(&skb_key, mask); 279bc3103f1SAmir Vadai 28077b9900eSJiri Pirko skb_key.indev_ifindex = skb->skb_iif; 28105cd271fSPaul Blakey /* skb_flow_dissect() does not set n_proto in case an unknown 28205cd271fSPaul Blakey * protocol, so do it rather here. 28377b9900eSJiri Pirko */ 28477b9900eSJiri Pirko skb_key.basic.n_proto = skb->protocol; 28505cd271fSPaul Blakey skb_flow_dissect_tunnel_info(skb, &mask->dissector, &skb_key); 28605cd271fSPaul Blakey skb_flow_dissect(skb, &mask->dissector, &skb_key, 0); 28777b9900eSJiri Pirko 28805cd271fSPaul Blakey fl_set_masked_key(&skb_mkey, &skb_key, mask); 28977b9900eSJiri Pirko 2905c72299fSAmritha Nambiar f = fl_lookup(mask, &skb_mkey, &skb_key); 291e8eb36cdSAmir Vadai if (f && !tc_skip_sw(f->flags)) { 29277b9900eSJiri Pirko *res = f->res; 29377b9900eSJiri Pirko return tcf_exts_exec(skb, &f->exts, res); 29477b9900eSJiri Pirko } 29505cd271fSPaul Blakey } 29677b9900eSJiri Pirko return -1; 29777b9900eSJiri Pirko } 29877b9900eSJiri Pirko 29977b9900eSJiri Pirko static int fl_init(struct tcf_proto *tp) 30077b9900eSJiri Pirko { 30177b9900eSJiri Pirko struct cls_fl_head *head; 30277b9900eSJiri Pirko 30377b9900eSJiri Pirko head = kzalloc(sizeof(*head), GFP_KERNEL); 30477b9900eSJiri Pirko if (!head) 30577b9900eSJiri Pirko return -ENOBUFS; 30677b9900eSJiri Pirko 30705cd271fSPaul Blakey INIT_LIST_HEAD_RCU(&head->masks); 30877b9900eSJiri Pirko rcu_assign_pointer(tp->root, head); 309c15ab236SChris Mi idr_init(&head->handle_idr); 31077b9900eSJiri Pirko 31105cd271fSPaul Blakey return rhashtable_init(&head->ht, &mask_ht_params); 31205cd271fSPaul Blakey } 31305cd271fSPaul Blakey 31444a5cd43SPaolo Abeni static void fl_mask_free(struct fl_flow_mask *mask) 31544a5cd43SPaolo Abeni { 31644a5cd43SPaolo Abeni rhashtable_destroy(&mask->ht); 31744a5cd43SPaolo Abeni kfree(mask); 31844a5cd43SPaolo Abeni } 31944a5cd43SPaolo Abeni 32044a5cd43SPaolo Abeni static void fl_mask_free_work(struct work_struct *work) 32144a5cd43SPaolo Abeni { 32244a5cd43SPaolo Abeni struct fl_flow_mask *mask = container_of(to_rcu_work(work), 32344a5cd43SPaolo Abeni struct fl_flow_mask, rwork); 32444a5cd43SPaolo Abeni 32544a5cd43SPaolo Abeni fl_mask_free(mask); 32644a5cd43SPaolo Abeni } 32744a5cd43SPaolo Abeni 32805cd271fSPaul Blakey static bool fl_mask_put(struct cls_fl_head *head, struct fl_flow_mask *mask, 32905cd271fSPaul Blakey bool async) 33005cd271fSPaul Blakey { 33105cd271fSPaul Blakey if (!list_empty(&mask->filters)) 33205cd271fSPaul Blakey return false; 33305cd271fSPaul Blakey 33405cd271fSPaul Blakey rhashtable_remove_fast(&head->ht, &mask->ht_node, mask_ht_params); 33505cd271fSPaul Blakey list_del_rcu(&mask->list); 33605cd271fSPaul Blakey if (async) 33744a5cd43SPaolo Abeni tcf_queue_work(&mask->rwork, fl_mask_free_work); 33805cd271fSPaul Blakey else 33944a5cd43SPaolo Abeni fl_mask_free(mask); 34005cd271fSPaul Blakey 34105cd271fSPaul Blakey return true; 34277b9900eSJiri Pirko } 34377b9900eSJiri Pirko 3440dadc117SCong Wang static void __fl_destroy_filter(struct cls_fl_filter *f) 3450dadc117SCong Wang { 3460dadc117SCong Wang tcf_exts_destroy(&f->exts); 3470dadc117SCong Wang tcf_exts_put_net(&f->exts); 3480dadc117SCong Wang kfree(f); 3490dadc117SCong Wang } 3500dadc117SCong Wang 3510552c8afSCong Wang static void fl_destroy_filter_work(struct work_struct *work) 3520552c8afSCong Wang { 353aaa908ffSCong Wang struct cls_fl_filter *f = container_of(to_rcu_work(work), 354aaa908ffSCong Wang struct cls_fl_filter, rwork); 3550552c8afSCong Wang 3560552c8afSCong Wang rtnl_lock(); 3570dadc117SCong Wang __fl_destroy_filter(f); 3580552c8afSCong Wang rtnl_unlock(); 3590552c8afSCong Wang } 3600552c8afSCong Wang 3611b0f8037SJakub Kicinski static void fl_hw_destroy_filter(struct tcf_proto *tp, struct cls_fl_filter *f, 3621b0f8037SJakub Kicinski struct netlink_ext_ack *extack) 3635b33f488SAmir Vadai { 364de4784caSJiri Pirko struct tc_cls_flower_offload cls_flower = {}; 365208c0f4bSJiri Pirko struct tcf_block *block = tp->chain->block; 3665b33f488SAmir Vadai 3671b0f8037SJakub Kicinski tc_cls_common_offload_init(&cls_flower.common, tp, f->flags, extack); 368de4784caSJiri Pirko cls_flower.command = TC_CLSFLOWER_DESTROY; 369de4784caSJiri Pirko cls_flower.cookie = (unsigned long) f; 3705b33f488SAmir Vadai 371aeb3fecdSCong Wang tc_setup_cb_call(block, TC_SETUP_CLSFLOWER, &cls_flower, false); 372caa72601SJiri Pirko tcf_block_offload_dec(block, &f->flags); 3735b33f488SAmir Vadai } 3745b33f488SAmir Vadai 375e8eb36cdSAmir Vadai static int fl_hw_replace_filter(struct tcf_proto *tp, 37641002038SQuentin Monnet struct cls_fl_filter *f, 37741002038SQuentin Monnet struct netlink_ext_ack *extack) 3785b33f488SAmir Vadai { 379de4784caSJiri Pirko struct tc_cls_flower_offload cls_flower = {}; 380208c0f4bSJiri Pirko struct tcf_block *block = tp->chain->block; 381717503b9SJiri Pirko bool skip_sw = tc_skip_sw(f->flags); 382e8eb36cdSAmir Vadai int err; 3835b33f488SAmir Vadai 384e3ab786bSPablo Neira Ayuso cls_flower.rule = flow_rule_alloc(tcf_exts_num_actions(&f->exts)); 3858f256622SPablo Neira Ayuso if (!cls_flower.rule) 3868f256622SPablo Neira Ayuso return -ENOMEM; 3878f256622SPablo Neira Ayuso 388ea205940SJakub Kicinski tc_cls_common_offload_init(&cls_flower.common, tp, f->flags, extack); 389de4784caSJiri Pirko cls_flower.command = TC_CLSFLOWER_REPLACE; 390de4784caSJiri Pirko cls_flower.cookie = (unsigned long) f; 3918f256622SPablo Neira Ayuso cls_flower.rule->match.dissector = &f->mask->dissector; 3928f256622SPablo Neira Ayuso cls_flower.rule->match.mask = &f->mask->key; 3938f256622SPablo Neira Ayuso cls_flower.rule->match.key = &f->mkey; 394384c181eSAmritha Nambiar cls_flower.classid = f->res.classid; 3955b33f488SAmir Vadai 3963a7b6861SPablo Neira Ayuso err = tc_setup_flow_action(&cls_flower.rule->action, &f->exts); 3973a7b6861SPablo Neira Ayuso if (err) { 3983a7b6861SPablo Neira Ayuso kfree(cls_flower.rule); 399*1f15bb4fSVlad Buslov if (skip_sw) { 400*1f15bb4fSVlad Buslov NL_SET_ERR_MSG_MOD(extack, "Failed to setup flow action"); 4013a7b6861SPablo Neira Ayuso return err; 4023a7b6861SPablo Neira Ayuso } 403*1f15bb4fSVlad Buslov return 0; 404*1f15bb4fSVlad Buslov } 4053a7b6861SPablo Neira Ayuso 406aeb3fecdSCong Wang err = tc_setup_cb_call(block, TC_SETUP_CLSFLOWER, &cls_flower, skip_sw); 4078f256622SPablo Neira Ayuso kfree(cls_flower.rule); 4088f256622SPablo Neira Ayuso 409717503b9SJiri Pirko if (err < 0) { 4101b0f8037SJakub Kicinski fl_hw_destroy_filter(tp, f, NULL); 411717503b9SJiri Pirko return err; 412717503b9SJiri Pirko } else if (err > 0) { 41331533cbaSJohn Hurley f->in_hw_count = err; 414caa72601SJiri Pirko tcf_block_offload_inc(block, &f->flags); 415717503b9SJiri Pirko } 416717503b9SJiri Pirko 417717503b9SJiri Pirko if (skip_sw && !(f->flags & TCA_CLS_FLAGS_IN_HW)) 418717503b9SJiri Pirko return -EINVAL; 419717503b9SJiri Pirko 420e8eb36cdSAmir Vadai return 0; 4215b33f488SAmir Vadai } 4225b33f488SAmir Vadai 42310cbc684SAmir Vadai static void fl_hw_update_stats(struct tcf_proto *tp, struct cls_fl_filter *f) 42410cbc684SAmir Vadai { 425de4784caSJiri Pirko struct tc_cls_flower_offload cls_flower = {}; 426208c0f4bSJiri Pirko struct tcf_block *block = tp->chain->block; 42710cbc684SAmir Vadai 428ea205940SJakub Kicinski tc_cls_common_offload_init(&cls_flower.common, tp, f->flags, NULL); 429de4784caSJiri Pirko cls_flower.command = TC_CLSFLOWER_STATS; 430de4784caSJiri Pirko cls_flower.cookie = (unsigned long) f; 431384c181eSAmritha Nambiar cls_flower.classid = f->res.classid; 43210cbc684SAmir Vadai 433aeb3fecdSCong Wang tc_setup_cb_call(block, TC_SETUP_CLSFLOWER, &cls_flower, false); 4343b1903efSPablo Neira Ayuso 4353b1903efSPablo Neira Ayuso tcf_exts_stats_update(&f->exts, cls_flower.stats.bytes, 4363b1903efSPablo Neira Ayuso cls_flower.stats.pkts, 4373b1903efSPablo Neira Ayuso cls_flower.stats.lastused); 43810cbc684SAmir Vadai } 43910cbc684SAmir Vadai 44005cd271fSPaul Blakey static bool __fl_delete(struct tcf_proto *tp, struct cls_fl_filter *f, 4411b0f8037SJakub Kicinski struct netlink_ext_ack *extack) 44213fa876eSRoi Dayan { 443c15ab236SChris Mi struct cls_fl_head *head = rtnl_dereference(tp->root); 44405cd271fSPaul Blakey bool async = tcf_exts_get_net(&f->exts); 44505cd271fSPaul Blakey bool last; 446c15ab236SChris Mi 4479c160941SMatthew Wilcox idr_remove(&head->handle_idr, f->handle); 44813fa876eSRoi Dayan list_del_rcu(&f->list); 44905cd271fSPaul Blakey last = fl_mask_put(head, f->mask, async); 45079685219SHadar Hen Zion if (!tc_skip_hw(f->flags)) 4511b0f8037SJakub Kicinski fl_hw_destroy_filter(tp, f, extack); 45213fa876eSRoi Dayan tcf_unbind_filter(tp, &f->res); 45305cd271fSPaul Blakey if (async) 454aaa908ffSCong Wang tcf_queue_work(&f->rwork, fl_destroy_filter_work); 4550dadc117SCong Wang else 4560dadc117SCong Wang __fl_destroy_filter(f); 45705cd271fSPaul Blakey 45805cd271fSPaul Blakey return last; 45913fa876eSRoi Dayan } 46013fa876eSRoi Dayan 461d9363774SDaniel Borkmann static void fl_destroy_sleepable(struct work_struct *work) 462d9363774SDaniel Borkmann { 463aaa908ffSCong Wang struct cls_fl_head *head = container_of(to_rcu_work(work), 464aaa908ffSCong Wang struct cls_fl_head, 465aaa908ffSCong Wang rwork); 466de9dc650SPaul Blakey 467de9dc650SPaul Blakey rhashtable_destroy(&head->ht); 468d9363774SDaniel Borkmann kfree(head); 469d9363774SDaniel Borkmann module_put(THIS_MODULE); 470d9363774SDaniel Borkmann } 471d9363774SDaniel Borkmann 47212db03b6SVlad Buslov static void fl_destroy(struct tcf_proto *tp, bool rtnl_held, 47312db03b6SVlad Buslov struct netlink_ext_ack *extack) 47477b9900eSJiri Pirko { 47577b9900eSJiri Pirko struct cls_fl_head *head = rtnl_dereference(tp->root); 47605cd271fSPaul Blakey struct fl_flow_mask *mask, *next_mask; 47777b9900eSJiri Pirko struct cls_fl_filter *f, *next; 47877b9900eSJiri Pirko 47905cd271fSPaul Blakey list_for_each_entry_safe(mask, next_mask, &head->masks, list) { 48005cd271fSPaul Blakey list_for_each_entry_safe(f, next, &mask->filters, list) { 48105cd271fSPaul Blakey if (__fl_delete(tp, f, extack)) 48205cd271fSPaul Blakey break; 48305cd271fSPaul Blakey } 48405cd271fSPaul Blakey } 485c15ab236SChris Mi idr_destroy(&head->handle_idr); 486d9363774SDaniel Borkmann 487d9363774SDaniel Borkmann __module_get(THIS_MODULE); 488aaa908ffSCong Wang tcf_queue_work(&head->rwork, fl_destroy_sleepable); 48977b9900eSJiri Pirko } 49077b9900eSJiri Pirko 4918113c095SWANG Cong static void *fl_get(struct tcf_proto *tp, u32 handle) 49277b9900eSJiri Pirko { 49377b9900eSJiri Pirko struct cls_fl_head *head = rtnl_dereference(tp->root); 49477b9900eSJiri Pirko 495322d884bSMatthew Wilcox return idr_find(&head->handle_idr, handle); 49677b9900eSJiri Pirko } 49777b9900eSJiri Pirko 49877b9900eSJiri Pirko static const struct nla_policy fl_policy[TCA_FLOWER_MAX + 1] = { 49977b9900eSJiri Pirko [TCA_FLOWER_UNSPEC] = { .type = NLA_UNSPEC }, 50077b9900eSJiri Pirko [TCA_FLOWER_CLASSID] = { .type = NLA_U32 }, 50177b9900eSJiri Pirko [TCA_FLOWER_INDEV] = { .type = NLA_STRING, 50277b9900eSJiri Pirko .len = IFNAMSIZ }, 50377b9900eSJiri Pirko [TCA_FLOWER_KEY_ETH_DST] = { .len = ETH_ALEN }, 50477b9900eSJiri Pirko [TCA_FLOWER_KEY_ETH_DST_MASK] = { .len = ETH_ALEN }, 50577b9900eSJiri Pirko [TCA_FLOWER_KEY_ETH_SRC] = { .len = ETH_ALEN }, 50677b9900eSJiri Pirko [TCA_FLOWER_KEY_ETH_SRC_MASK] = { .len = ETH_ALEN }, 50777b9900eSJiri Pirko [TCA_FLOWER_KEY_ETH_TYPE] = { .type = NLA_U16 }, 50877b9900eSJiri Pirko [TCA_FLOWER_KEY_IP_PROTO] = { .type = NLA_U8 }, 50977b9900eSJiri Pirko [TCA_FLOWER_KEY_IPV4_SRC] = { .type = NLA_U32 }, 51077b9900eSJiri Pirko [TCA_FLOWER_KEY_IPV4_SRC_MASK] = { .type = NLA_U32 }, 51177b9900eSJiri Pirko [TCA_FLOWER_KEY_IPV4_DST] = { .type = NLA_U32 }, 51277b9900eSJiri Pirko [TCA_FLOWER_KEY_IPV4_DST_MASK] = { .type = NLA_U32 }, 51377b9900eSJiri Pirko [TCA_FLOWER_KEY_IPV6_SRC] = { .len = sizeof(struct in6_addr) }, 51477b9900eSJiri Pirko [TCA_FLOWER_KEY_IPV6_SRC_MASK] = { .len = sizeof(struct in6_addr) }, 51577b9900eSJiri Pirko [TCA_FLOWER_KEY_IPV6_DST] = { .len = sizeof(struct in6_addr) }, 51677b9900eSJiri Pirko [TCA_FLOWER_KEY_IPV6_DST_MASK] = { .len = sizeof(struct in6_addr) }, 51777b9900eSJiri Pirko [TCA_FLOWER_KEY_TCP_SRC] = { .type = NLA_U16 }, 51877b9900eSJiri Pirko [TCA_FLOWER_KEY_TCP_DST] = { .type = NLA_U16 }, 519b175c3a4SJamal Hadi Salim [TCA_FLOWER_KEY_UDP_SRC] = { .type = NLA_U16 }, 520b175c3a4SJamal Hadi Salim [TCA_FLOWER_KEY_UDP_DST] = { .type = NLA_U16 }, 5219399ae9aSHadar Hen Zion [TCA_FLOWER_KEY_VLAN_ID] = { .type = NLA_U16 }, 5229399ae9aSHadar Hen Zion [TCA_FLOWER_KEY_VLAN_PRIO] = { .type = NLA_U8 }, 5239399ae9aSHadar Hen Zion [TCA_FLOWER_KEY_VLAN_ETH_TYPE] = { .type = NLA_U16 }, 524bc3103f1SAmir Vadai [TCA_FLOWER_KEY_ENC_KEY_ID] = { .type = NLA_U32 }, 525bc3103f1SAmir Vadai [TCA_FLOWER_KEY_ENC_IPV4_SRC] = { .type = NLA_U32 }, 526bc3103f1SAmir Vadai [TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK] = { .type = NLA_U32 }, 527bc3103f1SAmir Vadai [TCA_FLOWER_KEY_ENC_IPV4_DST] = { .type = NLA_U32 }, 528bc3103f1SAmir Vadai [TCA_FLOWER_KEY_ENC_IPV4_DST_MASK] = { .type = NLA_U32 }, 529bc3103f1SAmir Vadai [TCA_FLOWER_KEY_ENC_IPV6_SRC] = { .len = sizeof(struct in6_addr) }, 530bc3103f1SAmir Vadai [TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK] = { .len = sizeof(struct in6_addr) }, 531bc3103f1SAmir Vadai [TCA_FLOWER_KEY_ENC_IPV6_DST] = { .len = sizeof(struct in6_addr) }, 532bc3103f1SAmir Vadai [TCA_FLOWER_KEY_ENC_IPV6_DST_MASK] = { .len = sizeof(struct in6_addr) }, 533aa72d708SOr Gerlitz [TCA_FLOWER_KEY_TCP_SRC_MASK] = { .type = NLA_U16 }, 534aa72d708SOr Gerlitz [TCA_FLOWER_KEY_TCP_DST_MASK] = { .type = NLA_U16 }, 535aa72d708SOr Gerlitz [TCA_FLOWER_KEY_UDP_SRC_MASK] = { .type = NLA_U16 }, 536aa72d708SOr Gerlitz [TCA_FLOWER_KEY_UDP_DST_MASK] = { .type = NLA_U16 }, 5375976c5f4SSimon Horman [TCA_FLOWER_KEY_SCTP_SRC_MASK] = { .type = NLA_U16 }, 5385976c5f4SSimon Horman [TCA_FLOWER_KEY_SCTP_DST_MASK] = { .type = NLA_U16 }, 5395976c5f4SSimon Horman [TCA_FLOWER_KEY_SCTP_SRC] = { .type = NLA_U16 }, 5405976c5f4SSimon Horman [TCA_FLOWER_KEY_SCTP_DST] = { .type = NLA_U16 }, 541f4d997fdSHadar Hen Zion [TCA_FLOWER_KEY_ENC_UDP_SRC_PORT] = { .type = NLA_U16 }, 542f4d997fdSHadar Hen Zion [TCA_FLOWER_KEY_ENC_UDP_SRC_PORT_MASK] = { .type = NLA_U16 }, 543f4d997fdSHadar Hen Zion [TCA_FLOWER_KEY_ENC_UDP_DST_PORT] = { .type = NLA_U16 }, 544f4d997fdSHadar Hen Zion [TCA_FLOWER_KEY_ENC_UDP_DST_PORT_MASK] = { .type = NLA_U16 }, 545faa3ffceSOr Gerlitz [TCA_FLOWER_KEY_FLAGS] = { .type = NLA_U32 }, 546faa3ffceSOr Gerlitz [TCA_FLOWER_KEY_FLAGS_MASK] = { .type = NLA_U32 }, 5477b684884SSimon Horman [TCA_FLOWER_KEY_ICMPV4_TYPE] = { .type = NLA_U8 }, 5487b684884SSimon Horman [TCA_FLOWER_KEY_ICMPV4_TYPE_MASK] = { .type = NLA_U8 }, 5497b684884SSimon Horman [TCA_FLOWER_KEY_ICMPV4_CODE] = { .type = NLA_U8 }, 5507b684884SSimon Horman [TCA_FLOWER_KEY_ICMPV4_CODE_MASK] = { .type = NLA_U8 }, 5517b684884SSimon Horman [TCA_FLOWER_KEY_ICMPV6_TYPE] = { .type = NLA_U8 }, 5527b684884SSimon Horman [TCA_FLOWER_KEY_ICMPV6_TYPE_MASK] = { .type = NLA_U8 }, 5537b684884SSimon Horman [TCA_FLOWER_KEY_ICMPV6_CODE] = { .type = NLA_U8 }, 5547b684884SSimon Horman [TCA_FLOWER_KEY_ICMPV6_CODE_MASK] = { .type = NLA_U8 }, 55599d31326SSimon Horman [TCA_FLOWER_KEY_ARP_SIP] = { .type = NLA_U32 }, 55699d31326SSimon Horman [TCA_FLOWER_KEY_ARP_SIP_MASK] = { .type = NLA_U32 }, 55799d31326SSimon Horman [TCA_FLOWER_KEY_ARP_TIP] = { .type = NLA_U32 }, 55899d31326SSimon Horman [TCA_FLOWER_KEY_ARP_TIP_MASK] = { .type = NLA_U32 }, 55999d31326SSimon Horman [TCA_FLOWER_KEY_ARP_OP] = { .type = NLA_U8 }, 56099d31326SSimon Horman [TCA_FLOWER_KEY_ARP_OP_MASK] = { .type = NLA_U8 }, 56199d31326SSimon Horman [TCA_FLOWER_KEY_ARP_SHA] = { .len = ETH_ALEN }, 56299d31326SSimon Horman [TCA_FLOWER_KEY_ARP_SHA_MASK] = { .len = ETH_ALEN }, 56399d31326SSimon Horman [TCA_FLOWER_KEY_ARP_THA] = { .len = ETH_ALEN }, 56499d31326SSimon Horman [TCA_FLOWER_KEY_ARP_THA_MASK] = { .len = ETH_ALEN }, 565a577d8f7SBenjamin LaHaise [TCA_FLOWER_KEY_MPLS_TTL] = { .type = NLA_U8 }, 566a577d8f7SBenjamin LaHaise [TCA_FLOWER_KEY_MPLS_BOS] = { .type = NLA_U8 }, 567a577d8f7SBenjamin LaHaise [TCA_FLOWER_KEY_MPLS_TC] = { .type = NLA_U8 }, 568a577d8f7SBenjamin LaHaise [TCA_FLOWER_KEY_MPLS_LABEL] = { .type = NLA_U32 }, 569fdfc7dd6SJiri Pirko [TCA_FLOWER_KEY_TCP_FLAGS] = { .type = NLA_U16 }, 570fdfc7dd6SJiri Pirko [TCA_FLOWER_KEY_TCP_FLAGS_MASK] = { .type = NLA_U16 }, 5714d80cc0aSOr Gerlitz [TCA_FLOWER_KEY_IP_TOS] = { .type = NLA_U8 }, 5724d80cc0aSOr Gerlitz [TCA_FLOWER_KEY_IP_TOS_MASK] = { .type = NLA_U8 }, 5734d80cc0aSOr Gerlitz [TCA_FLOWER_KEY_IP_TTL] = { .type = NLA_U8 }, 5744d80cc0aSOr Gerlitz [TCA_FLOWER_KEY_IP_TTL_MASK] = { .type = NLA_U8 }, 575d64efd09SJianbo Liu [TCA_FLOWER_KEY_CVLAN_ID] = { .type = NLA_U16 }, 576d64efd09SJianbo Liu [TCA_FLOWER_KEY_CVLAN_PRIO] = { .type = NLA_U8 }, 577d64efd09SJianbo Liu [TCA_FLOWER_KEY_CVLAN_ETH_TYPE] = { .type = NLA_U16 }, 5780e2c17b6SOr Gerlitz [TCA_FLOWER_KEY_ENC_IP_TOS] = { .type = NLA_U8 }, 5790e2c17b6SOr Gerlitz [TCA_FLOWER_KEY_ENC_IP_TOS_MASK] = { .type = NLA_U8 }, 5800e2c17b6SOr Gerlitz [TCA_FLOWER_KEY_ENC_IP_TTL] = { .type = NLA_U8 }, 5810e2c17b6SOr Gerlitz [TCA_FLOWER_KEY_ENC_IP_TTL_MASK] = { .type = NLA_U8 }, 5820a6e7778SPieter Jansen van Vuuren [TCA_FLOWER_KEY_ENC_OPTS] = { .type = NLA_NESTED }, 5830a6e7778SPieter Jansen van Vuuren [TCA_FLOWER_KEY_ENC_OPTS_MASK] = { .type = NLA_NESTED }, 5840a6e7778SPieter Jansen van Vuuren }; 5850a6e7778SPieter Jansen van Vuuren 5860a6e7778SPieter Jansen van Vuuren static const struct nla_policy 5870a6e7778SPieter Jansen van Vuuren enc_opts_policy[TCA_FLOWER_KEY_ENC_OPTS_MAX + 1] = { 5880a6e7778SPieter Jansen van Vuuren [TCA_FLOWER_KEY_ENC_OPTS_GENEVE] = { .type = NLA_NESTED }, 5890a6e7778SPieter Jansen van Vuuren }; 5900a6e7778SPieter Jansen van Vuuren 5910a6e7778SPieter Jansen van Vuuren static const struct nla_policy 5920a6e7778SPieter Jansen van Vuuren geneve_opt_policy[TCA_FLOWER_KEY_ENC_OPT_GENEVE_MAX + 1] = { 5930a6e7778SPieter Jansen van Vuuren [TCA_FLOWER_KEY_ENC_OPT_GENEVE_CLASS] = { .type = NLA_U16 }, 5940a6e7778SPieter Jansen van Vuuren [TCA_FLOWER_KEY_ENC_OPT_GENEVE_TYPE] = { .type = NLA_U8 }, 5950a6e7778SPieter Jansen van Vuuren [TCA_FLOWER_KEY_ENC_OPT_GENEVE_DATA] = { .type = NLA_BINARY, 5960a6e7778SPieter Jansen van Vuuren .len = 128 }, 59777b9900eSJiri Pirko }; 59877b9900eSJiri Pirko 59977b9900eSJiri Pirko static void fl_set_key_val(struct nlattr **tb, 60077b9900eSJiri Pirko void *val, int val_type, 60177b9900eSJiri Pirko void *mask, int mask_type, int len) 60277b9900eSJiri Pirko { 60377b9900eSJiri Pirko if (!tb[val_type]) 60477b9900eSJiri Pirko return; 60577b9900eSJiri Pirko memcpy(val, nla_data(tb[val_type]), len); 60677b9900eSJiri Pirko if (mask_type == TCA_FLOWER_UNSPEC || !tb[mask_type]) 60777b9900eSJiri Pirko memset(mask, 0xff, len); 60877b9900eSJiri Pirko else 60977b9900eSJiri Pirko memcpy(mask, nla_data(tb[mask_type]), len); 61077b9900eSJiri Pirko } 61177b9900eSJiri Pirko 6125c72299fSAmritha Nambiar static int fl_set_key_port_range(struct nlattr **tb, struct fl_flow_key *key, 6135c72299fSAmritha Nambiar struct fl_flow_key *mask) 6145c72299fSAmritha Nambiar { 6155c72299fSAmritha Nambiar fl_set_key_val(tb, &key->tp_min.dst, 6165c72299fSAmritha Nambiar TCA_FLOWER_KEY_PORT_DST_MIN, &mask->tp_min.dst, 6175c72299fSAmritha Nambiar TCA_FLOWER_UNSPEC, sizeof(key->tp_min.dst)); 6185c72299fSAmritha Nambiar fl_set_key_val(tb, &key->tp_max.dst, 6195c72299fSAmritha Nambiar TCA_FLOWER_KEY_PORT_DST_MAX, &mask->tp_max.dst, 6205c72299fSAmritha Nambiar TCA_FLOWER_UNSPEC, sizeof(key->tp_max.dst)); 6215c72299fSAmritha Nambiar fl_set_key_val(tb, &key->tp_min.src, 6225c72299fSAmritha Nambiar TCA_FLOWER_KEY_PORT_SRC_MIN, &mask->tp_min.src, 6235c72299fSAmritha Nambiar TCA_FLOWER_UNSPEC, sizeof(key->tp_min.src)); 6245c72299fSAmritha Nambiar fl_set_key_val(tb, &key->tp_max.src, 6255c72299fSAmritha Nambiar TCA_FLOWER_KEY_PORT_SRC_MAX, &mask->tp_max.src, 6265c72299fSAmritha Nambiar TCA_FLOWER_UNSPEC, sizeof(key->tp_max.src)); 6275c72299fSAmritha Nambiar 6285c72299fSAmritha Nambiar if ((mask->tp_min.dst && mask->tp_max.dst && 6295c72299fSAmritha Nambiar htons(key->tp_max.dst) <= htons(key->tp_min.dst)) || 6305c72299fSAmritha Nambiar (mask->tp_min.src && mask->tp_max.src && 6315c72299fSAmritha Nambiar htons(key->tp_max.src) <= htons(key->tp_min.src))) 6325c72299fSAmritha Nambiar return -EINVAL; 6335c72299fSAmritha Nambiar 6345c72299fSAmritha Nambiar return 0; 6355c72299fSAmritha Nambiar } 6365c72299fSAmritha Nambiar 6371a7fca63SBenjamin LaHaise static int fl_set_key_mpls(struct nlattr **tb, 638a577d8f7SBenjamin LaHaise struct flow_dissector_key_mpls *key_val, 639a577d8f7SBenjamin LaHaise struct flow_dissector_key_mpls *key_mask) 640a577d8f7SBenjamin LaHaise { 641a577d8f7SBenjamin LaHaise if (tb[TCA_FLOWER_KEY_MPLS_TTL]) { 642a577d8f7SBenjamin LaHaise key_val->mpls_ttl = nla_get_u8(tb[TCA_FLOWER_KEY_MPLS_TTL]); 643a577d8f7SBenjamin LaHaise key_mask->mpls_ttl = MPLS_TTL_MASK; 644a577d8f7SBenjamin LaHaise } 645a577d8f7SBenjamin LaHaise if (tb[TCA_FLOWER_KEY_MPLS_BOS]) { 6461a7fca63SBenjamin LaHaise u8 bos = nla_get_u8(tb[TCA_FLOWER_KEY_MPLS_BOS]); 6471a7fca63SBenjamin LaHaise 6481a7fca63SBenjamin LaHaise if (bos & ~MPLS_BOS_MASK) 6491a7fca63SBenjamin LaHaise return -EINVAL; 6501a7fca63SBenjamin LaHaise key_val->mpls_bos = bos; 651a577d8f7SBenjamin LaHaise key_mask->mpls_bos = MPLS_BOS_MASK; 652a577d8f7SBenjamin LaHaise } 653a577d8f7SBenjamin LaHaise if (tb[TCA_FLOWER_KEY_MPLS_TC]) { 6541a7fca63SBenjamin LaHaise u8 tc = nla_get_u8(tb[TCA_FLOWER_KEY_MPLS_TC]); 6551a7fca63SBenjamin LaHaise 6561a7fca63SBenjamin LaHaise if (tc & ~MPLS_TC_MASK) 6571a7fca63SBenjamin LaHaise return -EINVAL; 6581a7fca63SBenjamin LaHaise key_val->mpls_tc = tc; 659a577d8f7SBenjamin LaHaise key_mask->mpls_tc = MPLS_TC_MASK; 660a577d8f7SBenjamin LaHaise } 661a577d8f7SBenjamin LaHaise if (tb[TCA_FLOWER_KEY_MPLS_LABEL]) { 6621a7fca63SBenjamin LaHaise u32 label = nla_get_u32(tb[TCA_FLOWER_KEY_MPLS_LABEL]); 6631a7fca63SBenjamin LaHaise 6641a7fca63SBenjamin LaHaise if (label & ~MPLS_LABEL_MASK) 6651a7fca63SBenjamin LaHaise return -EINVAL; 6661a7fca63SBenjamin LaHaise key_val->mpls_label = label; 667a577d8f7SBenjamin LaHaise key_mask->mpls_label = MPLS_LABEL_MASK; 668a577d8f7SBenjamin LaHaise } 6691a7fca63SBenjamin LaHaise return 0; 670a577d8f7SBenjamin LaHaise } 671a577d8f7SBenjamin LaHaise 6729399ae9aSHadar Hen Zion static void fl_set_key_vlan(struct nlattr **tb, 673aaab0834SJianbo Liu __be16 ethertype, 674d64efd09SJianbo Liu int vlan_id_key, int vlan_prio_key, 6759399ae9aSHadar Hen Zion struct flow_dissector_key_vlan *key_val, 6769399ae9aSHadar Hen Zion struct flow_dissector_key_vlan *key_mask) 6779399ae9aSHadar Hen Zion { 6789399ae9aSHadar Hen Zion #define VLAN_PRIORITY_MASK 0x7 6799399ae9aSHadar Hen Zion 680d64efd09SJianbo Liu if (tb[vlan_id_key]) { 6819399ae9aSHadar Hen Zion key_val->vlan_id = 682d64efd09SJianbo Liu nla_get_u16(tb[vlan_id_key]) & VLAN_VID_MASK; 6839399ae9aSHadar Hen Zion key_mask->vlan_id = VLAN_VID_MASK; 6849399ae9aSHadar Hen Zion } 685d64efd09SJianbo Liu if (tb[vlan_prio_key]) { 6869399ae9aSHadar Hen Zion key_val->vlan_priority = 687d64efd09SJianbo Liu nla_get_u8(tb[vlan_prio_key]) & 6889399ae9aSHadar Hen Zion VLAN_PRIORITY_MASK; 6899399ae9aSHadar Hen Zion key_mask->vlan_priority = VLAN_PRIORITY_MASK; 6909399ae9aSHadar Hen Zion } 691aaab0834SJianbo Liu key_val->vlan_tpid = ethertype; 692aaab0834SJianbo Liu key_mask->vlan_tpid = cpu_to_be16(~0); 6939399ae9aSHadar Hen Zion } 6949399ae9aSHadar Hen Zion 695faa3ffceSOr Gerlitz static void fl_set_key_flag(u32 flower_key, u32 flower_mask, 696faa3ffceSOr Gerlitz u32 *dissector_key, u32 *dissector_mask, 697faa3ffceSOr Gerlitz u32 flower_flag_bit, u32 dissector_flag_bit) 698faa3ffceSOr Gerlitz { 699faa3ffceSOr Gerlitz if (flower_mask & flower_flag_bit) { 700faa3ffceSOr Gerlitz *dissector_mask |= dissector_flag_bit; 701faa3ffceSOr Gerlitz if (flower_key & flower_flag_bit) 702faa3ffceSOr Gerlitz *dissector_key |= dissector_flag_bit; 703faa3ffceSOr Gerlitz } 704faa3ffceSOr Gerlitz } 705faa3ffceSOr Gerlitz 706d9724772SOr Gerlitz static int fl_set_key_flags(struct nlattr **tb, 707faa3ffceSOr Gerlitz u32 *flags_key, u32 *flags_mask) 708faa3ffceSOr Gerlitz { 709faa3ffceSOr Gerlitz u32 key, mask; 710faa3ffceSOr Gerlitz 711d9724772SOr Gerlitz /* mask is mandatory for flags */ 712d9724772SOr Gerlitz if (!tb[TCA_FLOWER_KEY_FLAGS_MASK]) 713d9724772SOr Gerlitz return -EINVAL; 714faa3ffceSOr Gerlitz 715faa3ffceSOr Gerlitz key = be32_to_cpu(nla_get_u32(tb[TCA_FLOWER_KEY_FLAGS])); 716faa3ffceSOr Gerlitz mask = be32_to_cpu(nla_get_u32(tb[TCA_FLOWER_KEY_FLAGS_MASK])); 717faa3ffceSOr Gerlitz 718faa3ffceSOr Gerlitz *flags_key = 0; 719faa3ffceSOr Gerlitz *flags_mask = 0; 720faa3ffceSOr Gerlitz 721faa3ffceSOr Gerlitz fl_set_key_flag(key, mask, flags_key, flags_mask, 722faa3ffceSOr Gerlitz TCA_FLOWER_KEY_FLAGS_IS_FRAGMENT, FLOW_DIS_IS_FRAGMENT); 723459d153dSPieter Jansen van Vuuren fl_set_key_flag(key, mask, flags_key, flags_mask, 724459d153dSPieter Jansen van Vuuren TCA_FLOWER_KEY_FLAGS_FRAG_IS_FIRST, 725459d153dSPieter Jansen van Vuuren FLOW_DIS_FIRST_FRAG); 726d9724772SOr Gerlitz 727d9724772SOr Gerlitz return 0; 728faa3ffceSOr Gerlitz } 729faa3ffceSOr Gerlitz 7300e2c17b6SOr Gerlitz static void fl_set_key_ip(struct nlattr **tb, bool encap, 7314d80cc0aSOr Gerlitz struct flow_dissector_key_ip *key, 7324d80cc0aSOr Gerlitz struct flow_dissector_key_ip *mask) 7334d80cc0aSOr Gerlitz { 7340e2c17b6SOr Gerlitz int tos_key = encap ? TCA_FLOWER_KEY_ENC_IP_TOS : TCA_FLOWER_KEY_IP_TOS; 7350e2c17b6SOr Gerlitz int ttl_key = encap ? TCA_FLOWER_KEY_ENC_IP_TTL : TCA_FLOWER_KEY_IP_TTL; 7360e2c17b6SOr Gerlitz int tos_mask = encap ? TCA_FLOWER_KEY_ENC_IP_TOS_MASK : TCA_FLOWER_KEY_IP_TOS_MASK; 7370e2c17b6SOr Gerlitz int ttl_mask = encap ? TCA_FLOWER_KEY_ENC_IP_TTL_MASK : TCA_FLOWER_KEY_IP_TTL_MASK; 7384d80cc0aSOr Gerlitz 7390e2c17b6SOr Gerlitz fl_set_key_val(tb, &key->tos, tos_key, &mask->tos, tos_mask, sizeof(key->tos)); 7400e2c17b6SOr Gerlitz fl_set_key_val(tb, &key->ttl, ttl_key, &mask->ttl, ttl_mask, sizeof(key->ttl)); 7414d80cc0aSOr Gerlitz } 7424d80cc0aSOr Gerlitz 7430a6e7778SPieter Jansen van Vuuren static int fl_set_geneve_opt(const struct nlattr *nla, struct fl_flow_key *key, 7440a6e7778SPieter Jansen van Vuuren int depth, int option_len, 7450a6e7778SPieter Jansen van Vuuren struct netlink_ext_ack *extack) 7460a6e7778SPieter Jansen van Vuuren { 7470a6e7778SPieter Jansen van Vuuren struct nlattr *tb[TCA_FLOWER_KEY_ENC_OPT_GENEVE_MAX + 1]; 7480a6e7778SPieter Jansen van Vuuren struct nlattr *class = NULL, *type = NULL, *data = NULL; 7490a6e7778SPieter Jansen van Vuuren struct geneve_opt *opt; 7500a6e7778SPieter Jansen van Vuuren int err, data_len = 0; 7510a6e7778SPieter Jansen van Vuuren 7520a6e7778SPieter Jansen van Vuuren if (option_len > sizeof(struct geneve_opt)) 7530a6e7778SPieter Jansen van Vuuren data_len = option_len - sizeof(struct geneve_opt); 7540a6e7778SPieter Jansen van Vuuren 7550a6e7778SPieter Jansen van Vuuren opt = (struct geneve_opt *)&key->enc_opts.data[key->enc_opts.len]; 7560a6e7778SPieter Jansen van Vuuren memset(opt, 0xff, option_len); 7570a6e7778SPieter Jansen van Vuuren opt->length = data_len / 4; 7580a6e7778SPieter Jansen van Vuuren opt->r1 = 0; 7590a6e7778SPieter Jansen van Vuuren opt->r2 = 0; 7600a6e7778SPieter Jansen van Vuuren opt->r3 = 0; 7610a6e7778SPieter Jansen van Vuuren 7620a6e7778SPieter Jansen van Vuuren /* If no mask has been prodived we assume an exact match. */ 7630a6e7778SPieter Jansen van Vuuren if (!depth) 7640a6e7778SPieter Jansen van Vuuren return sizeof(struct geneve_opt) + data_len; 7650a6e7778SPieter Jansen van Vuuren 7660a6e7778SPieter Jansen van Vuuren if (nla_type(nla) != TCA_FLOWER_KEY_ENC_OPTS_GENEVE) { 7670a6e7778SPieter Jansen van Vuuren NL_SET_ERR_MSG(extack, "Non-geneve option type for mask"); 7680a6e7778SPieter Jansen van Vuuren return -EINVAL; 7690a6e7778SPieter Jansen van Vuuren } 7700a6e7778SPieter Jansen van Vuuren 7710a6e7778SPieter Jansen van Vuuren err = nla_parse_nested(tb, TCA_FLOWER_KEY_ENC_OPT_GENEVE_MAX, 7720a6e7778SPieter Jansen van Vuuren nla, geneve_opt_policy, extack); 7730a6e7778SPieter Jansen van Vuuren if (err < 0) 7740a6e7778SPieter Jansen van Vuuren return err; 7750a6e7778SPieter Jansen van Vuuren 7760a6e7778SPieter Jansen van Vuuren /* We are not allowed to omit any of CLASS, TYPE or DATA 7770a6e7778SPieter Jansen van Vuuren * fields from the key. 7780a6e7778SPieter Jansen van Vuuren */ 7790a6e7778SPieter Jansen van Vuuren if (!option_len && 7800a6e7778SPieter Jansen van Vuuren (!tb[TCA_FLOWER_KEY_ENC_OPT_GENEVE_CLASS] || 7810a6e7778SPieter Jansen van Vuuren !tb[TCA_FLOWER_KEY_ENC_OPT_GENEVE_TYPE] || 7820a6e7778SPieter Jansen van Vuuren !tb[TCA_FLOWER_KEY_ENC_OPT_GENEVE_DATA])) { 7830a6e7778SPieter Jansen van Vuuren NL_SET_ERR_MSG(extack, "Missing tunnel key geneve option class, type or data"); 7840a6e7778SPieter Jansen van Vuuren return -EINVAL; 7850a6e7778SPieter Jansen van Vuuren } 7860a6e7778SPieter Jansen van Vuuren 7870a6e7778SPieter Jansen van Vuuren /* Omitting any of CLASS, TYPE or DATA fields is allowed 7880a6e7778SPieter Jansen van Vuuren * for the mask. 7890a6e7778SPieter Jansen van Vuuren */ 7900a6e7778SPieter Jansen van Vuuren if (tb[TCA_FLOWER_KEY_ENC_OPT_GENEVE_DATA]) { 7910a6e7778SPieter Jansen van Vuuren int new_len = key->enc_opts.len; 7920a6e7778SPieter Jansen van Vuuren 7930a6e7778SPieter Jansen van Vuuren data = tb[TCA_FLOWER_KEY_ENC_OPT_GENEVE_DATA]; 7940a6e7778SPieter Jansen van Vuuren data_len = nla_len(data); 7950a6e7778SPieter Jansen van Vuuren if (data_len < 4) { 7960a6e7778SPieter Jansen van Vuuren NL_SET_ERR_MSG(extack, "Tunnel key geneve option data is less than 4 bytes long"); 7970a6e7778SPieter Jansen van Vuuren return -ERANGE; 7980a6e7778SPieter Jansen van Vuuren } 7990a6e7778SPieter Jansen van Vuuren if (data_len % 4) { 8000a6e7778SPieter Jansen van Vuuren NL_SET_ERR_MSG(extack, "Tunnel key geneve option data is not a multiple of 4 bytes long"); 8010a6e7778SPieter Jansen van Vuuren return -ERANGE; 8020a6e7778SPieter Jansen van Vuuren } 8030a6e7778SPieter Jansen van Vuuren 8040a6e7778SPieter Jansen van Vuuren new_len += sizeof(struct geneve_opt) + data_len; 8050a6e7778SPieter Jansen van Vuuren BUILD_BUG_ON(FLOW_DIS_TUN_OPTS_MAX != IP_TUNNEL_OPTS_MAX); 8060a6e7778SPieter Jansen van Vuuren if (new_len > FLOW_DIS_TUN_OPTS_MAX) { 8070a6e7778SPieter Jansen van Vuuren NL_SET_ERR_MSG(extack, "Tunnel options exceeds max size"); 8080a6e7778SPieter Jansen van Vuuren return -ERANGE; 8090a6e7778SPieter Jansen van Vuuren } 8100a6e7778SPieter Jansen van Vuuren opt->length = data_len / 4; 8110a6e7778SPieter Jansen van Vuuren memcpy(opt->opt_data, nla_data(data), data_len); 8120a6e7778SPieter Jansen van Vuuren } 8130a6e7778SPieter Jansen van Vuuren 8140a6e7778SPieter Jansen van Vuuren if (tb[TCA_FLOWER_KEY_ENC_OPT_GENEVE_CLASS]) { 8150a6e7778SPieter Jansen van Vuuren class = tb[TCA_FLOWER_KEY_ENC_OPT_GENEVE_CLASS]; 8160a6e7778SPieter Jansen van Vuuren opt->opt_class = nla_get_be16(class); 8170a6e7778SPieter Jansen van Vuuren } 8180a6e7778SPieter Jansen van Vuuren 8190a6e7778SPieter Jansen van Vuuren if (tb[TCA_FLOWER_KEY_ENC_OPT_GENEVE_TYPE]) { 8200a6e7778SPieter Jansen van Vuuren type = tb[TCA_FLOWER_KEY_ENC_OPT_GENEVE_TYPE]; 8210a6e7778SPieter Jansen van Vuuren opt->type = nla_get_u8(type); 8220a6e7778SPieter Jansen van Vuuren } 8230a6e7778SPieter Jansen van Vuuren 8240a6e7778SPieter Jansen van Vuuren return sizeof(struct geneve_opt) + data_len; 8250a6e7778SPieter Jansen van Vuuren } 8260a6e7778SPieter Jansen van Vuuren 8270a6e7778SPieter Jansen van Vuuren static int fl_set_enc_opt(struct nlattr **tb, struct fl_flow_key *key, 8280a6e7778SPieter Jansen van Vuuren struct fl_flow_key *mask, 8290a6e7778SPieter Jansen van Vuuren struct netlink_ext_ack *extack) 8300a6e7778SPieter Jansen van Vuuren { 8310a6e7778SPieter Jansen van Vuuren const struct nlattr *nla_enc_key, *nla_opt_key, *nla_opt_msk = NULL; 83263c82997SJakub Kicinski int err, option_len, key_depth, msk_depth = 0; 83363c82997SJakub Kicinski 83463c82997SJakub Kicinski err = nla_validate_nested(tb[TCA_FLOWER_KEY_ENC_OPTS], 83563c82997SJakub Kicinski TCA_FLOWER_KEY_ENC_OPTS_MAX, 83663c82997SJakub Kicinski enc_opts_policy, extack); 83763c82997SJakub Kicinski if (err) 83863c82997SJakub Kicinski return err; 8390a6e7778SPieter Jansen van Vuuren 8400a6e7778SPieter Jansen van Vuuren nla_enc_key = nla_data(tb[TCA_FLOWER_KEY_ENC_OPTS]); 8410a6e7778SPieter Jansen van Vuuren 8420a6e7778SPieter Jansen van Vuuren if (tb[TCA_FLOWER_KEY_ENC_OPTS_MASK]) { 84363c82997SJakub Kicinski err = nla_validate_nested(tb[TCA_FLOWER_KEY_ENC_OPTS_MASK], 84463c82997SJakub Kicinski TCA_FLOWER_KEY_ENC_OPTS_MAX, 84563c82997SJakub Kicinski enc_opts_policy, extack); 84663c82997SJakub Kicinski if (err) 84763c82997SJakub Kicinski return err; 84863c82997SJakub Kicinski 8490a6e7778SPieter Jansen van Vuuren nla_opt_msk = nla_data(tb[TCA_FLOWER_KEY_ENC_OPTS_MASK]); 8500a6e7778SPieter Jansen van Vuuren msk_depth = nla_len(tb[TCA_FLOWER_KEY_ENC_OPTS_MASK]); 8510a6e7778SPieter Jansen van Vuuren } 8520a6e7778SPieter Jansen van Vuuren 8530a6e7778SPieter Jansen van Vuuren nla_for_each_attr(nla_opt_key, nla_enc_key, 8540a6e7778SPieter Jansen van Vuuren nla_len(tb[TCA_FLOWER_KEY_ENC_OPTS]), key_depth) { 8550a6e7778SPieter Jansen van Vuuren switch (nla_type(nla_opt_key)) { 8560a6e7778SPieter Jansen van Vuuren case TCA_FLOWER_KEY_ENC_OPTS_GENEVE: 8570a6e7778SPieter Jansen van Vuuren option_len = 0; 8580a6e7778SPieter Jansen van Vuuren key->enc_opts.dst_opt_type = TUNNEL_GENEVE_OPT; 8590a6e7778SPieter Jansen van Vuuren option_len = fl_set_geneve_opt(nla_opt_key, key, 8600a6e7778SPieter Jansen van Vuuren key_depth, option_len, 8610a6e7778SPieter Jansen van Vuuren extack); 8620a6e7778SPieter Jansen van Vuuren if (option_len < 0) 8630a6e7778SPieter Jansen van Vuuren return option_len; 8640a6e7778SPieter Jansen van Vuuren 8650a6e7778SPieter Jansen van Vuuren key->enc_opts.len += option_len; 8660a6e7778SPieter Jansen van Vuuren /* At the same time we need to parse through the mask 8670a6e7778SPieter Jansen van Vuuren * in order to verify exact and mask attribute lengths. 8680a6e7778SPieter Jansen van Vuuren */ 8690a6e7778SPieter Jansen van Vuuren mask->enc_opts.dst_opt_type = TUNNEL_GENEVE_OPT; 8700a6e7778SPieter Jansen van Vuuren option_len = fl_set_geneve_opt(nla_opt_msk, mask, 8710a6e7778SPieter Jansen van Vuuren msk_depth, option_len, 8720a6e7778SPieter Jansen van Vuuren extack); 8730a6e7778SPieter Jansen van Vuuren if (option_len < 0) 8740a6e7778SPieter Jansen van Vuuren return option_len; 8750a6e7778SPieter Jansen van Vuuren 8760a6e7778SPieter Jansen van Vuuren mask->enc_opts.len += option_len; 8770a6e7778SPieter Jansen van Vuuren if (key->enc_opts.len != mask->enc_opts.len) { 8780a6e7778SPieter Jansen van Vuuren NL_SET_ERR_MSG(extack, "Key and mask miss aligned"); 8790a6e7778SPieter Jansen van Vuuren return -EINVAL; 8800a6e7778SPieter Jansen van Vuuren } 8810a6e7778SPieter Jansen van Vuuren 8820a6e7778SPieter Jansen van Vuuren if (msk_depth) 8830a6e7778SPieter Jansen van Vuuren nla_opt_msk = nla_next(nla_opt_msk, &msk_depth); 8840a6e7778SPieter Jansen van Vuuren break; 8850a6e7778SPieter Jansen van Vuuren default: 8860a6e7778SPieter Jansen van Vuuren NL_SET_ERR_MSG(extack, "Unknown tunnel option type"); 8870a6e7778SPieter Jansen van Vuuren return -EINVAL; 8880a6e7778SPieter Jansen van Vuuren } 8890a6e7778SPieter Jansen van Vuuren } 8900a6e7778SPieter Jansen van Vuuren 8910a6e7778SPieter Jansen van Vuuren return 0; 8920a6e7778SPieter Jansen van Vuuren } 8930a6e7778SPieter Jansen van Vuuren 89477b9900eSJiri Pirko static int fl_set_key(struct net *net, struct nlattr **tb, 8951057c55fSAlexander Aring struct fl_flow_key *key, struct fl_flow_key *mask, 8961057c55fSAlexander Aring struct netlink_ext_ack *extack) 89777b9900eSJiri Pirko { 8989399ae9aSHadar Hen Zion __be16 ethertype; 899d9724772SOr Gerlitz int ret = 0; 900dd3aa3b5SBrian Haley #ifdef CONFIG_NET_CLS_IND 90177b9900eSJiri Pirko if (tb[TCA_FLOWER_INDEV]) { 9021057c55fSAlexander Aring int err = tcf_change_indev(net, tb[TCA_FLOWER_INDEV], extack); 90377b9900eSJiri Pirko if (err < 0) 90477b9900eSJiri Pirko return err; 90577b9900eSJiri Pirko key->indev_ifindex = err; 90677b9900eSJiri Pirko mask->indev_ifindex = 0xffffffff; 90777b9900eSJiri Pirko } 908dd3aa3b5SBrian Haley #endif 90977b9900eSJiri Pirko 91077b9900eSJiri Pirko fl_set_key_val(tb, key->eth.dst, TCA_FLOWER_KEY_ETH_DST, 91177b9900eSJiri Pirko mask->eth.dst, TCA_FLOWER_KEY_ETH_DST_MASK, 91277b9900eSJiri Pirko sizeof(key->eth.dst)); 91377b9900eSJiri Pirko fl_set_key_val(tb, key->eth.src, TCA_FLOWER_KEY_ETH_SRC, 91477b9900eSJiri Pirko mask->eth.src, TCA_FLOWER_KEY_ETH_SRC_MASK, 91577b9900eSJiri Pirko sizeof(key->eth.src)); 91666530bdfSJamal Hadi Salim 9170b498a52SArnd Bergmann if (tb[TCA_FLOWER_KEY_ETH_TYPE]) { 9189399ae9aSHadar Hen Zion ethertype = nla_get_be16(tb[TCA_FLOWER_KEY_ETH_TYPE]); 9199399ae9aSHadar Hen Zion 920aaab0834SJianbo Liu if (eth_type_vlan(ethertype)) { 921d64efd09SJianbo Liu fl_set_key_vlan(tb, ethertype, TCA_FLOWER_KEY_VLAN_ID, 922d64efd09SJianbo Liu TCA_FLOWER_KEY_VLAN_PRIO, &key->vlan, 923d64efd09SJianbo Liu &mask->vlan); 924d64efd09SJianbo Liu 9255e9a0fe4SJianbo Liu if (tb[TCA_FLOWER_KEY_VLAN_ETH_TYPE]) { 926d64efd09SJianbo Liu ethertype = nla_get_be16(tb[TCA_FLOWER_KEY_VLAN_ETH_TYPE]); 927d64efd09SJianbo Liu if (eth_type_vlan(ethertype)) { 928d64efd09SJianbo Liu fl_set_key_vlan(tb, ethertype, 929d64efd09SJianbo Liu TCA_FLOWER_KEY_CVLAN_ID, 930d64efd09SJianbo Liu TCA_FLOWER_KEY_CVLAN_PRIO, 931d64efd09SJianbo Liu &key->cvlan, &mask->cvlan); 9329399ae9aSHadar Hen Zion fl_set_key_val(tb, &key->basic.n_proto, 933d64efd09SJianbo Liu TCA_FLOWER_KEY_CVLAN_ETH_TYPE, 934d64efd09SJianbo Liu &mask->basic.n_proto, 935d64efd09SJianbo Liu TCA_FLOWER_UNSPEC, 93677b9900eSJiri Pirko sizeof(key->basic.n_proto)); 9379399ae9aSHadar Hen Zion } else { 9389399ae9aSHadar Hen Zion key->basic.n_proto = ethertype; 9399399ae9aSHadar Hen Zion mask->basic.n_proto = cpu_to_be16(~0); 9409399ae9aSHadar Hen Zion } 9415e9a0fe4SJianbo Liu } 942d64efd09SJianbo Liu } else { 943d64efd09SJianbo Liu key->basic.n_proto = ethertype; 944d64efd09SJianbo Liu mask->basic.n_proto = cpu_to_be16(~0); 945d64efd09SJianbo Liu } 9460b498a52SArnd Bergmann } 94766530bdfSJamal Hadi Salim 94877b9900eSJiri Pirko if (key->basic.n_proto == htons(ETH_P_IP) || 94977b9900eSJiri Pirko key->basic.n_proto == htons(ETH_P_IPV6)) { 95077b9900eSJiri Pirko fl_set_key_val(tb, &key->basic.ip_proto, TCA_FLOWER_KEY_IP_PROTO, 95177b9900eSJiri Pirko &mask->basic.ip_proto, TCA_FLOWER_UNSPEC, 95277b9900eSJiri Pirko sizeof(key->basic.ip_proto)); 9530e2c17b6SOr Gerlitz fl_set_key_ip(tb, false, &key->ip, &mask->ip); 95477b9900eSJiri Pirko } 95566530bdfSJamal Hadi Salim 95666530bdfSJamal Hadi Salim if (tb[TCA_FLOWER_KEY_IPV4_SRC] || tb[TCA_FLOWER_KEY_IPV4_DST]) { 95766530bdfSJamal Hadi Salim key->control.addr_type = FLOW_DISSECTOR_KEY_IPV4_ADDRS; 958970bfcd0SPaul Blakey mask->control.addr_type = ~0; 95977b9900eSJiri Pirko fl_set_key_val(tb, &key->ipv4.src, TCA_FLOWER_KEY_IPV4_SRC, 96077b9900eSJiri Pirko &mask->ipv4.src, TCA_FLOWER_KEY_IPV4_SRC_MASK, 96177b9900eSJiri Pirko sizeof(key->ipv4.src)); 96277b9900eSJiri Pirko fl_set_key_val(tb, &key->ipv4.dst, TCA_FLOWER_KEY_IPV4_DST, 96377b9900eSJiri Pirko &mask->ipv4.dst, TCA_FLOWER_KEY_IPV4_DST_MASK, 96477b9900eSJiri Pirko sizeof(key->ipv4.dst)); 96566530bdfSJamal Hadi Salim } else if (tb[TCA_FLOWER_KEY_IPV6_SRC] || tb[TCA_FLOWER_KEY_IPV6_DST]) { 96666530bdfSJamal Hadi Salim key->control.addr_type = FLOW_DISSECTOR_KEY_IPV6_ADDRS; 967970bfcd0SPaul Blakey mask->control.addr_type = ~0; 96877b9900eSJiri Pirko fl_set_key_val(tb, &key->ipv6.src, TCA_FLOWER_KEY_IPV6_SRC, 96977b9900eSJiri Pirko &mask->ipv6.src, TCA_FLOWER_KEY_IPV6_SRC_MASK, 97077b9900eSJiri Pirko sizeof(key->ipv6.src)); 97177b9900eSJiri Pirko fl_set_key_val(tb, &key->ipv6.dst, TCA_FLOWER_KEY_IPV6_DST, 97277b9900eSJiri Pirko &mask->ipv6.dst, TCA_FLOWER_KEY_IPV6_DST_MASK, 97377b9900eSJiri Pirko sizeof(key->ipv6.dst)); 97477b9900eSJiri Pirko } 97566530bdfSJamal Hadi Salim 97677b9900eSJiri Pirko if (key->basic.ip_proto == IPPROTO_TCP) { 97777b9900eSJiri Pirko fl_set_key_val(tb, &key->tp.src, TCA_FLOWER_KEY_TCP_SRC, 978aa72d708SOr Gerlitz &mask->tp.src, TCA_FLOWER_KEY_TCP_SRC_MASK, 97977b9900eSJiri Pirko sizeof(key->tp.src)); 98077b9900eSJiri Pirko fl_set_key_val(tb, &key->tp.dst, TCA_FLOWER_KEY_TCP_DST, 981aa72d708SOr Gerlitz &mask->tp.dst, TCA_FLOWER_KEY_TCP_DST_MASK, 98277b9900eSJiri Pirko sizeof(key->tp.dst)); 983fdfc7dd6SJiri Pirko fl_set_key_val(tb, &key->tcp.flags, TCA_FLOWER_KEY_TCP_FLAGS, 984fdfc7dd6SJiri Pirko &mask->tcp.flags, TCA_FLOWER_KEY_TCP_FLAGS_MASK, 985fdfc7dd6SJiri Pirko sizeof(key->tcp.flags)); 98677b9900eSJiri Pirko } else if (key->basic.ip_proto == IPPROTO_UDP) { 98777b9900eSJiri Pirko fl_set_key_val(tb, &key->tp.src, TCA_FLOWER_KEY_UDP_SRC, 988aa72d708SOr Gerlitz &mask->tp.src, TCA_FLOWER_KEY_UDP_SRC_MASK, 98977b9900eSJiri Pirko sizeof(key->tp.src)); 99077b9900eSJiri Pirko fl_set_key_val(tb, &key->tp.dst, TCA_FLOWER_KEY_UDP_DST, 991aa72d708SOr Gerlitz &mask->tp.dst, TCA_FLOWER_KEY_UDP_DST_MASK, 99277b9900eSJiri Pirko sizeof(key->tp.dst)); 9935976c5f4SSimon Horman } else if (key->basic.ip_proto == IPPROTO_SCTP) { 9945976c5f4SSimon Horman fl_set_key_val(tb, &key->tp.src, TCA_FLOWER_KEY_SCTP_SRC, 9955976c5f4SSimon Horman &mask->tp.src, TCA_FLOWER_KEY_SCTP_SRC_MASK, 9965976c5f4SSimon Horman sizeof(key->tp.src)); 9975976c5f4SSimon Horman fl_set_key_val(tb, &key->tp.dst, TCA_FLOWER_KEY_SCTP_DST, 9985976c5f4SSimon Horman &mask->tp.dst, TCA_FLOWER_KEY_SCTP_DST_MASK, 9995976c5f4SSimon Horman sizeof(key->tp.dst)); 10007b684884SSimon Horman } else if (key->basic.n_proto == htons(ETH_P_IP) && 10017b684884SSimon Horman key->basic.ip_proto == IPPROTO_ICMP) { 10027b684884SSimon Horman fl_set_key_val(tb, &key->icmp.type, TCA_FLOWER_KEY_ICMPV4_TYPE, 10037b684884SSimon Horman &mask->icmp.type, 10047b684884SSimon Horman TCA_FLOWER_KEY_ICMPV4_TYPE_MASK, 10057b684884SSimon Horman sizeof(key->icmp.type)); 10067b684884SSimon Horman fl_set_key_val(tb, &key->icmp.code, TCA_FLOWER_KEY_ICMPV4_CODE, 10077b684884SSimon Horman &mask->icmp.code, 10087b684884SSimon Horman TCA_FLOWER_KEY_ICMPV4_CODE_MASK, 10097b684884SSimon Horman sizeof(key->icmp.code)); 10107b684884SSimon Horman } else if (key->basic.n_proto == htons(ETH_P_IPV6) && 10117b684884SSimon Horman key->basic.ip_proto == IPPROTO_ICMPV6) { 10127b684884SSimon Horman fl_set_key_val(tb, &key->icmp.type, TCA_FLOWER_KEY_ICMPV6_TYPE, 10137b684884SSimon Horman &mask->icmp.type, 10147b684884SSimon Horman TCA_FLOWER_KEY_ICMPV6_TYPE_MASK, 10157b684884SSimon Horman sizeof(key->icmp.type)); 1016040587afSSimon Horman fl_set_key_val(tb, &key->icmp.code, TCA_FLOWER_KEY_ICMPV6_CODE, 10177b684884SSimon Horman &mask->icmp.code, 1018040587afSSimon Horman TCA_FLOWER_KEY_ICMPV6_CODE_MASK, 10197b684884SSimon Horman sizeof(key->icmp.code)); 1020a577d8f7SBenjamin LaHaise } else if (key->basic.n_proto == htons(ETH_P_MPLS_UC) || 1021a577d8f7SBenjamin LaHaise key->basic.n_proto == htons(ETH_P_MPLS_MC)) { 10221a7fca63SBenjamin LaHaise ret = fl_set_key_mpls(tb, &key->mpls, &mask->mpls); 10231a7fca63SBenjamin LaHaise if (ret) 10241a7fca63SBenjamin LaHaise return ret; 102599d31326SSimon Horman } else if (key->basic.n_proto == htons(ETH_P_ARP) || 102699d31326SSimon Horman key->basic.n_proto == htons(ETH_P_RARP)) { 102799d31326SSimon Horman fl_set_key_val(tb, &key->arp.sip, TCA_FLOWER_KEY_ARP_SIP, 102899d31326SSimon Horman &mask->arp.sip, TCA_FLOWER_KEY_ARP_SIP_MASK, 102999d31326SSimon Horman sizeof(key->arp.sip)); 103099d31326SSimon Horman fl_set_key_val(tb, &key->arp.tip, TCA_FLOWER_KEY_ARP_TIP, 103199d31326SSimon Horman &mask->arp.tip, TCA_FLOWER_KEY_ARP_TIP_MASK, 103299d31326SSimon Horman sizeof(key->arp.tip)); 103399d31326SSimon Horman fl_set_key_val(tb, &key->arp.op, TCA_FLOWER_KEY_ARP_OP, 103499d31326SSimon Horman &mask->arp.op, TCA_FLOWER_KEY_ARP_OP_MASK, 103599d31326SSimon Horman sizeof(key->arp.op)); 103699d31326SSimon Horman fl_set_key_val(tb, key->arp.sha, TCA_FLOWER_KEY_ARP_SHA, 103799d31326SSimon Horman mask->arp.sha, TCA_FLOWER_KEY_ARP_SHA_MASK, 103899d31326SSimon Horman sizeof(key->arp.sha)); 103999d31326SSimon Horman fl_set_key_val(tb, key->arp.tha, TCA_FLOWER_KEY_ARP_THA, 104099d31326SSimon Horman mask->arp.tha, TCA_FLOWER_KEY_ARP_THA_MASK, 104199d31326SSimon Horman sizeof(key->arp.tha)); 104277b9900eSJiri Pirko } 104377b9900eSJiri Pirko 10445c72299fSAmritha Nambiar if (key->basic.ip_proto == IPPROTO_TCP || 10455c72299fSAmritha Nambiar key->basic.ip_proto == IPPROTO_UDP || 10465c72299fSAmritha Nambiar key->basic.ip_proto == IPPROTO_SCTP) { 10475c72299fSAmritha Nambiar ret = fl_set_key_port_range(tb, key, mask); 10485c72299fSAmritha Nambiar if (ret) 10495c72299fSAmritha Nambiar return ret; 10505c72299fSAmritha Nambiar } 10515c72299fSAmritha Nambiar 1052bc3103f1SAmir Vadai if (tb[TCA_FLOWER_KEY_ENC_IPV4_SRC] || 1053bc3103f1SAmir Vadai tb[TCA_FLOWER_KEY_ENC_IPV4_DST]) { 1054bc3103f1SAmir Vadai key->enc_control.addr_type = FLOW_DISSECTOR_KEY_IPV4_ADDRS; 1055970bfcd0SPaul Blakey mask->enc_control.addr_type = ~0; 1056bc3103f1SAmir Vadai fl_set_key_val(tb, &key->enc_ipv4.src, 1057bc3103f1SAmir Vadai TCA_FLOWER_KEY_ENC_IPV4_SRC, 1058bc3103f1SAmir Vadai &mask->enc_ipv4.src, 1059bc3103f1SAmir Vadai TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK, 1060bc3103f1SAmir Vadai sizeof(key->enc_ipv4.src)); 1061bc3103f1SAmir Vadai fl_set_key_val(tb, &key->enc_ipv4.dst, 1062bc3103f1SAmir Vadai TCA_FLOWER_KEY_ENC_IPV4_DST, 1063bc3103f1SAmir Vadai &mask->enc_ipv4.dst, 1064bc3103f1SAmir Vadai TCA_FLOWER_KEY_ENC_IPV4_DST_MASK, 1065bc3103f1SAmir Vadai sizeof(key->enc_ipv4.dst)); 1066bc3103f1SAmir Vadai } 1067bc3103f1SAmir Vadai 1068bc3103f1SAmir Vadai if (tb[TCA_FLOWER_KEY_ENC_IPV6_SRC] || 1069bc3103f1SAmir Vadai tb[TCA_FLOWER_KEY_ENC_IPV6_DST]) { 1070bc3103f1SAmir Vadai key->enc_control.addr_type = FLOW_DISSECTOR_KEY_IPV6_ADDRS; 1071970bfcd0SPaul Blakey mask->enc_control.addr_type = ~0; 1072bc3103f1SAmir Vadai fl_set_key_val(tb, &key->enc_ipv6.src, 1073bc3103f1SAmir Vadai TCA_FLOWER_KEY_ENC_IPV6_SRC, 1074bc3103f1SAmir Vadai &mask->enc_ipv6.src, 1075bc3103f1SAmir Vadai TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK, 1076bc3103f1SAmir Vadai sizeof(key->enc_ipv6.src)); 1077bc3103f1SAmir Vadai fl_set_key_val(tb, &key->enc_ipv6.dst, 1078bc3103f1SAmir Vadai TCA_FLOWER_KEY_ENC_IPV6_DST, 1079bc3103f1SAmir Vadai &mask->enc_ipv6.dst, 1080bc3103f1SAmir Vadai TCA_FLOWER_KEY_ENC_IPV6_DST_MASK, 1081bc3103f1SAmir Vadai sizeof(key->enc_ipv6.dst)); 1082bc3103f1SAmir Vadai } 1083bc3103f1SAmir Vadai 1084bc3103f1SAmir Vadai fl_set_key_val(tb, &key->enc_key_id.keyid, TCA_FLOWER_KEY_ENC_KEY_ID, 1085eb523f42SHadar Hen Zion &mask->enc_key_id.keyid, TCA_FLOWER_UNSPEC, 1086bc3103f1SAmir Vadai sizeof(key->enc_key_id.keyid)); 1087bc3103f1SAmir Vadai 1088f4d997fdSHadar Hen Zion fl_set_key_val(tb, &key->enc_tp.src, TCA_FLOWER_KEY_ENC_UDP_SRC_PORT, 1089f4d997fdSHadar Hen Zion &mask->enc_tp.src, TCA_FLOWER_KEY_ENC_UDP_SRC_PORT_MASK, 1090f4d997fdSHadar Hen Zion sizeof(key->enc_tp.src)); 1091f4d997fdSHadar Hen Zion 1092f4d997fdSHadar Hen Zion fl_set_key_val(tb, &key->enc_tp.dst, TCA_FLOWER_KEY_ENC_UDP_DST_PORT, 1093f4d997fdSHadar Hen Zion &mask->enc_tp.dst, TCA_FLOWER_KEY_ENC_UDP_DST_PORT_MASK, 1094f4d997fdSHadar Hen Zion sizeof(key->enc_tp.dst)); 1095f4d997fdSHadar Hen Zion 10960e2c17b6SOr Gerlitz fl_set_key_ip(tb, true, &key->enc_ip, &mask->enc_ip); 10970e2c17b6SOr Gerlitz 10980a6e7778SPieter Jansen van Vuuren if (tb[TCA_FLOWER_KEY_ENC_OPTS]) { 10990a6e7778SPieter Jansen van Vuuren ret = fl_set_enc_opt(tb, key, mask, extack); 11000a6e7778SPieter Jansen van Vuuren if (ret) 11010a6e7778SPieter Jansen van Vuuren return ret; 11020a6e7778SPieter Jansen van Vuuren } 11030a6e7778SPieter Jansen van Vuuren 1104d9724772SOr Gerlitz if (tb[TCA_FLOWER_KEY_FLAGS]) 1105d9724772SOr Gerlitz ret = fl_set_key_flags(tb, &key->control.flags, &mask->control.flags); 1106faa3ffceSOr Gerlitz 1107d9724772SOr Gerlitz return ret; 110877b9900eSJiri Pirko } 110977b9900eSJiri Pirko 111005cd271fSPaul Blakey static void fl_mask_copy(struct fl_flow_mask *dst, 111105cd271fSPaul Blakey struct fl_flow_mask *src) 111277b9900eSJiri Pirko { 111305cd271fSPaul Blakey const void *psrc = fl_key_get_start(&src->key, src); 111405cd271fSPaul Blakey void *pdst = fl_key_get_start(&dst->key, src); 111577b9900eSJiri Pirko 111605cd271fSPaul Blakey memcpy(pdst, psrc, fl_mask_range(src)); 111705cd271fSPaul Blakey dst->range = src->range; 111877b9900eSJiri Pirko } 111977b9900eSJiri Pirko 112077b9900eSJiri Pirko static const struct rhashtable_params fl_ht_params = { 112177b9900eSJiri Pirko .key_offset = offsetof(struct cls_fl_filter, mkey), /* base offset */ 112277b9900eSJiri Pirko .head_offset = offsetof(struct cls_fl_filter, ht_node), 112377b9900eSJiri Pirko .automatic_shrinking = true, 112477b9900eSJiri Pirko }; 112577b9900eSJiri Pirko 112605cd271fSPaul Blakey static int fl_init_mask_hashtable(struct fl_flow_mask *mask) 112777b9900eSJiri Pirko { 112805cd271fSPaul Blakey mask->filter_ht_params = fl_ht_params; 112905cd271fSPaul Blakey mask->filter_ht_params.key_len = fl_mask_range(mask); 113005cd271fSPaul Blakey mask->filter_ht_params.key_offset += mask->range.start; 113177b9900eSJiri Pirko 113205cd271fSPaul Blakey return rhashtable_init(&mask->ht, &mask->filter_ht_params); 113377b9900eSJiri Pirko } 113477b9900eSJiri Pirko 113577b9900eSJiri Pirko #define FL_KEY_MEMBER_OFFSET(member) offsetof(struct fl_flow_key, member) 1136cb205a81Szhong jiang #define FL_KEY_MEMBER_SIZE(member) FIELD_SIZEOF(struct fl_flow_key, member) 113777b9900eSJiri Pirko 1138339ba878SHadar Hen Zion #define FL_KEY_IS_MASKED(mask, member) \ 1139339ba878SHadar Hen Zion memchr_inv(((char *)mask) + FL_KEY_MEMBER_OFFSET(member), \ 1140339ba878SHadar Hen Zion 0, FL_KEY_MEMBER_SIZE(member)) \ 114177b9900eSJiri Pirko 114277b9900eSJiri Pirko #define FL_KEY_SET(keys, cnt, id, member) \ 114377b9900eSJiri Pirko do { \ 114477b9900eSJiri Pirko keys[cnt].key_id = id; \ 114577b9900eSJiri Pirko keys[cnt].offset = FL_KEY_MEMBER_OFFSET(member); \ 114677b9900eSJiri Pirko cnt++; \ 114777b9900eSJiri Pirko } while(0); 114877b9900eSJiri Pirko 1149339ba878SHadar Hen Zion #define FL_KEY_SET_IF_MASKED(mask, keys, cnt, id, member) \ 115077b9900eSJiri Pirko do { \ 1151339ba878SHadar Hen Zion if (FL_KEY_IS_MASKED(mask, member)) \ 115277b9900eSJiri Pirko FL_KEY_SET(keys, cnt, id, member); \ 115377b9900eSJiri Pirko } while(0); 115477b9900eSJiri Pirko 115533fb5cbaSJiri Pirko static void fl_init_dissector(struct flow_dissector *dissector, 115633fb5cbaSJiri Pirko struct fl_flow_key *mask) 115777b9900eSJiri Pirko { 115877b9900eSJiri Pirko struct flow_dissector_key keys[FLOW_DISSECTOR_KEY_MAX]; 115977b9900eSJiri Pirko size_t cnt = 0; 116077b9900eSJiri Pirko 116142aecaa9STom Herbert FL_KEY_SET(keys, cnt, FLOW_DISSECTOR_KEY_CONTROL, control); 116277b9900eSJiri Pirko FL_KEY_SET(keys, cnt, FLOW_DISSECTOR_KEY_BASIC, basic); 116333fb5cbaSJiri Pirko FL_KEY_SET_IF_MASKED(mask, keys, cnt, 116477b9900eSJiri Pirko FLOW_DISSECTOR_KEY_ETH_ADDRS, eth); 116533fb5cbaSJiri Pirko FL_KEY_SET_IF_MASKED(mask, keys, cnt, 116677b9900eSJiri Pirko FLOW_DISSECTOR_KEY_IPV4_ADDRS, ipv4); 116733fb5cbaSJiri Pirko FL_KEY_SET_IF_MASKED(mask, keys, cnt, 116877b9900eSJiri Pirko FLOW_DISSECTOR_KEY_IPV6_ADDRS, ipv6); 11695c72299fSAmritha Nambiar if (FL_KEY_IS_MASKED(mask, tp) || 11705c72299fSAmritha Nambiar FL_KEY_IS_MASKED(mask, tp_min) || FL_KEY_IS_MASKED(mask, tp_max)) 11715c72299fSAmritha Nambiar FL_KEY_SET(keys, cnt, FLOW_DISSECTOR_KEY_PORTS, tp); 117233fb5cbaSJiri Pirko FL_KEY_SET_IF_MASKED(mask, keys, cnt, 11734d80cc0aSOr Gerlitz FLOW_DISSECTOR_KEY_IP, ip); 117433fb5cbaSJiri Pirko FL_KEY_SET_IF_MASKED(mask, keys, cnt, 1175fdfc7dd6SJiri Pirko FLOW_DISSECTOR_KEY_TCP, tcp); 117633fb5cbaSJiri Pirko FL_KEY_SET_IF_MASKED(mask, keys, cnt, 11777b684884SSimon Horman FLOW_DISSECTOR_KEY_ICMP, icmp); 117833fb5cbaSJiri Pirko FL_KEY_SET_IF_MASKED(mask, keys, cnt, 117999d31326SSimon Horman FLOW_DISSECTOR_KEY_ARP, arp); 118033fb5cbaSJiri Pirko FL_KEY_SET_IF_MASKED(mask, keys, cnt, 1181a577d8f7SBenjamin LaHaise FLOW_DISSECTOR_KEY_MPLS, mpls); 118233fb5cbaSJiri Pirko FL_KEY_SET_IF_MASKED(mask, keys, cnt, 11839399ae9aSHadar Hen Zion FLOW_DISSECTOR_KEY_VLAN, vlan); 118433fb5cbaSJiri Pirko FL_KEY_SET_IF_MASKED(mask, keys, cnt, 1185d64efd09SJianbo Liu FLOW_DISSECTOR_KEY_CVLAN, cvlan); 118633fb5cbaSJiri Pirko FL_KEY_SET_IF_MASKED(mask, keys, cnt, 1187519d1052SHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_KEYID, enc_key_id); 118833fb5cbaSJiri Pirko FL_KEY_SET_IF_MASKED(mask, keys, cnt, 1189519d1052SHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, enc_ipv4); 119033fb5cbaSJiri Pirko FL_KEY_SET_IF_MASKED(mask, keys, cnt, 1191519d1052SHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, enc_ipv6); 119233fb5cbaSJiri Pirko if (FL_KEY_IS_MASKED(mask, enc_ipv4) || 119333fb5cbaSJiri Pirko FL_KEY_IS_MASKED(mask, enc_ipv6)) 1194519d1052SHadar Hen Zion FL_KEY_SET(keys, cnt, FLOW_DISSECTOR_KEY_ENC_CONTROL, 1195519d1052SHadar Hen Zion enc_control); 119633fb5cbaSJiri Pirko FL_KEY_SET_IF_MASKED(mask, keys, cnt, 1197f4d997fdSHadar Hen Zion FLOW_DISSECTOR_KEY_ENC_PORTS, enc_tp); 119833fb5cbaSJiri Pirko FL_KEY_SET_IF_MASKED(mask, keys, cnt, 11990e2c17b6SOr Gerlitz FLOW_DISSECTOR_KEY_ENC_IP, enc_ip); 12000a6e7778SPieter Jansen van Vuuren FL_KEY_SET_IF_MASKED(mask, keys, cnt, 12010a6e7778SPieter Jansen van Vuuren FLOW_DISSECTOR_KEY_ENC_OPTS, enc_opts); 120277b9900eSJiri Pirko 120333fb5cbaSJiri Pirko skb_flow_dissector_init(dissector, keys, cnt); 120405cd271fSPaul Blakey } 120505cd271fSPaul Blakey 120605cd271fSPaul Blakey static struct fl_flow_mask *fl_create_new_mask(struct cls_fl_head *head, 120705cd271fSPaul Blakey struct fl_flow_mask *mask) 120805cd271fSPaul Blakey { 120905cd271fSPaul Blakey struct fl_flow_mask *newmask; 121005cd271fSPaul Blakey int err; 121105cd271fSPaul Blakey 121205cd271fSPaul Blakey newmask = kzalloc(sizeof(*newmask), GFP_KERNEL); 121305cd271fSPaul Blakey if (!newmask) 121405cd271fSPaul Blakey return ERR_PTR(-ENOMEM); 121505cd271fSPaul Blakey 121605cd271fSPaul Blakey fl_mask_copy(newmask, mask); 121705cd271fSPaul Blakey 12185c72299fSAmritha Nambiar if ((newmask->key.tp_min.dst && newmask->key.tp_max.dst) || 12195c72299fSAmritha Nambiar (newmask->key.tp_min.src && newmask->key.tp_max.src)) 12205c72299fSAmritha Nambiar newmask->flags |= TCA_FLOWER_MASK_FLAGS_RANGE; 12215c72299fSAmritha Nambiar 122205cd271fSPaul Blakey err = fl_init_mask_hashtable(newmask); 122305cd271fSPaul Blakey if (err) 122405cd271fSPaul Blakey goto errout_free; 122505cd271fSPaul Blakey 122633fb5cbaSJiri Pirko fl_init_dissector(&newmask->dissector, &newmask->key); 122705cd271fSPaul Blakey 122805cd271fSPaul Blakey INIT_LIST_HEAD_RCU(&newmask->filters); 122905cd271fSPaul Blakey 123005cd271fSPaul Blakey err = rhashtable_insert_fast(&head->ht, &newmask->ht_node, 123105cd271fSPaul Blakey mask_ht_params); 123205cd271fSPaul Blakey if (err) 123305cd271fSPaul Blakey goto errout_destroy; 123405cd271fSPaul Blakey 123505cd271fSPaul Blakey list_add_tail_rcu(&newmask->list, &head->masks); 123605cd271fSPaul Blakey 123705cd271fSPaul Blakey return newmask; 123805cd271fSPaul Blakey 123905cd271fSPaul Blakey errout_destroy: 124005cd271fSPaul Blakey rhashtable_destroy(&newmask->ht); 124105cd271fSPaul Blakey errout_free: 124205cd271fSPaul Blakey kfree(newmask); 124305cd271fSPaul Blakey 124405cd271fSPaul Blakey return ERR_PTR(err); 124577b9900eSJiri Pirko } 124677b9900eSJiri Pirko 124777b9900eSJiri Pirko static int fl_check_assign_mask(struct cls_fl_head *head, 124805cd271fSPaul Blakey struct cls_fl_filter *fnew, 124905cd271fSPaul Blakey struct cls_fl_filter *fold, 125077b9900eSJiri Pirko struct fl_flow_mask *mask) 125177b9900eSJiri Pirko { 125205cd271fSPaul Blakey struct fl_flow_mask *newmask; 125377b9900eSJiri Pirko 125405cd271fSPaul Blakey fnew->mask = rhashtable_lookup_fast(&head->ht, mask, mask_ht_params); 125505cd271fSPaul Blakey if (!fnew->mask) { 125605cd271fSPaul Blakey if (fold) 125777b9900eSJiri Pirko return -EINVAL; 125805cd271fSPaul Blakey 125905cd271fSPaul Blakey newmask = fl_create_new_mask(head, mask); 126005cd271fSPaul Blakey if (IS_ERR(newmask)) 126105cd271fSPaul Blakey return PTR_ERR(newmask); 126205cd271fSPaul Blakey 126305cd271fSPaul Blakey fnew->mask = newmask; 1264f6521c58SPaul Blakey } else if (fold && fold->mask != fnew->mask) { 126505cd271fSPaul Blakey return -EINVAL; 126677b9900eSJiri Pirko } 126777b9900eSJiri Pirko 126877b9900eSJiri Pirko return 0; 126977b9900eSJiri Pirko } 127077b9900eSJiri Pirko 127177b9900eSJiri Pirko static int fl_set_parms(struct net *net, struct tcf_proto *tp, 127277b9900eSJiri Pirko struct cls_fl_filter *f, struct fl_flow_mask *mask, 127377b9900eSJiri Pirko unsigned long base, struct nlattr **tb, 127450a56190SAlexander Aring struct nlattr *est, bool ovr, 1275b95ec7ebSJiri Pirko struct fl_flow_tmplt *tmplt, 127650a56190SAlexander Aring struct netlink_ext_ack *extack) 127777b9900eSJiri Pirko { 127877b9900eSJiri Pirko int err; 127977b9900eSJiri Pirko 1280ec6743a1SVlad Buslov err = tcf_exts_validate(net, tp, tb, est, &f->exts, ovr, true, 1281ec6743a1SVlad Buslov extack); 128277b9900eSJiri Pirko if (err < 0) 128377b9900eSJiri Pirko return err; 128477b9900eSJiri Pirko 128577b9900eSJiri Pirko if (tb[TCA_FLOWER_CLASSID]) { 128677b9900eSJiri Pirko f->res.classid = nla_get_u32(tb[TCA_FLOWER_CLASSID]); 128777b9900eSJiri Pirko tcf_bind_filter(tp, &f->res, base); 128877b9900eSJiri Pirko } 128977b9900eSJiri Pirko 12901057c55fSAlexander Aring err = fl_set_key(net, tb, &f->key, &mask->key, extack); 129177b9900eSJiri Pirko if (err) 129245507529SJiri Pirko return err; 129377b9900eSJiri Pirko 129477b9900eSJiri Pirko fl_mask_update_range(mask); 129577b9900eSJiri Pirko fl_set_masked_key(&f->mkey, &f->key, mask); 129677b9900eSJiri Pirko 1297b95ec7ebSJiri Pirko if (!fl_mask_fits_tmplt(tmplt, mask)) { 1298b95ec7ebSJiri Pirko NL_SET_ERR_MSG_MOD(extack, "Mask does not fit the template"); 1299b95ec7ebSJiri Pirko return -EINVAL; 1300b95ec7ebSJiri Pirko } 1301b95ec7ebSJiri Pirko 130277b9900eSJiri Pirko return 0; 130377b9900eSJiri Pirko } 130477b9900eSJiri Pirko 130577b9900eSJiri Pirko static int fl_change(struct net *net, struct sk_buff *in_skb, 130677b9900eSJiri Pirko struct tcf_proto *tp, unsigned long base, 130777b9900eSJiri Pirko u32 handle, struct nlattr **tca, 130812db03b6SVlad Buslov void **arg, bool ovr, bool rtnl_held, 130912db03b6SVlad Buslov struct netlink_ext_ack *extack) 131077b9900eSJiri Pirko { 131177b9900eSJiri Pirko struct cls_fl_head *head = rtnl_dereference(tp->root); 13128113c095SWANG Cong struct cls_fl_filter *fold = *arg; 131377b9900eSJiri Pirko struct cls_fl_filter *fnew; 13142cddd201SIvan Vecera struct fl_flow_mask *mask; 131539b7b6a6SArnd Bergmann struct nlattr **tb; 131677b9900eSJiri Pirko int err; 131777b9900eSJiri Pirko 131877b9900eSJiri Pirko if (!tca[TCA_OPTIONS]) 131977b9900eSJiri Pirko return -EINVAL; 132077b9900eSJiri Pirko 13212cddd201SIvan Vecera mask = kzalloc(sizeof(struct fl_flow_mask), GFP_KERNEL); 13222cddd201SIvan Vecera if (!mask) 132339b7b6a6SArnd Bergmann return -ENOBUFS; 132439b7b6a6SArnd Bergmann 13252cddd201SIvan Vecera tb = kcalloc(TCA_FLOWER_MAX + 1, sizeof(struct nlattr *), GFP_KERNEL); 13262cddd201SIvan Vecera if (!tb) { 13272cddd201SIvan Vecera err = -ENOBUFS; 13282cddd201SIvan Vecera goto errout_mask_alloc; 13292cddd201SIvan Vecera } 13302cddd201SIvan Vecera 1331fceb6435SJohannes Berg err = nla_parse_nested(tb, TCA_FLOWER_MAX, tca[TCA_OPTIONS], 1332fceb6435SJohannes Berg fl_policy, NULL); 133377b9900eSJiri Pirko if (err < 0) 133439b7b6a6SArnd Bergmann goto errout_tb; 133577b9900eSJiri Pirko 133639b7b6a6SArnd Bergmann if (fold && handle && fold->handle != handle) { 133739b7b6a6SArnd Bergmann err = -EINVAL; 133839b7b6a6SArnd Bergmann goto errout_tb; 133939b7b6a6SArnd Bergmann } 134077b9900eSJiri Pirko 134177b9900eSJiri Pirko fnew = kzalloc(sizeof(*fnew), GFP_KERNEL); 134239b7b6a6SArnd Bergmann if (!fnew) { 134339b7b6a6SArnd Bergmann err = -ENOBUFS; 134439b7b6a6SArnd Bergmann goto errout_tb; 134539b7b6a6SArnd Bergmann } 134677b9900eSJiri Pirko 1347b9a24bb7SWANG Cong err = tcf_exts_init(&fnew->exts, TCA_FLOWER_ACT, 0); 1348b9a24bb7SWANG Cong if (err < 0) 1349b9a24bb7SWANG Cong goto errout; 135077b9900eSJiri Pirko 135177b9900eSJiri Pirko if (!handle) { 135285bd0438SMatthew Wilcox handle = 1; 135385bd0438SMatthew Wilcox err = idr_alloc_u32(&head->handle_idr, fnew, &handle, 135485bd0438SMatthew Wilcox INT_MAX, GFP_KERNEL); 135585bd0438SMatthew Wilcox } else if (!fold) { 1356c15ab236SChris Mi /* user specifies a handle and it doesn't exist */ 135785bd0438SMatthew Wilcox err = idr_alloc_u32(&head->handle_idr, fnew, &handle, 135885bd0438SMatthew Wilcox handle, GFP_KERNEL); 135985bd0438SMatthew Wilcox } 1360c15ab236SChris Mi if (err) 1361c15ab236SChris Mi goto errout; 136285bd0438SMatthew Wilcox fnew->handle = handle; 136377b9900eSJiri Pirko 1364e69985c6SAmir Vadai if (tb[TCA_FLOWER_FLAGS]) { 1365e69985c6SAmir Vadai fnew->flags = nla_get_u32(tb[TCA_FLOWER_FLAGS]); 1366e69985c6SAmir Vadai 1367e69985c6SAmir Vadai if (!tc_flags_valid(fnew->flags)) { 1368e69985c6SAmir Vadai err = -EINVAL; 1369fe2502e4SCong Wang goto errout_idr; 1370e69985c6SAmir Vadai } 1371e69985c6SAmir Vadai } 13725b33f488SAmir Vadai 13732cddd201SIvan Vecera err = fl_set_parms(net, tp, fnew, mask, base, tb, tca[TCA_RATE], ovr, 1374b95ec7ebSJiri Pirko tp->chain->tmplt_priv, extack); 137577b9900eSJiri Pirko if (err) 1376fe2502e4SCong Wang goto errout_idr; 137777b9900eSJiri Pirko 13782cddd201SIvan Vecera err = fl_check_assign_mask(head, fnew, fold, mask); 137977b9900eSJiri Pirko if (err) 1380fe2502e4SCong Wang goto errout_idr; 138177b9900eSJiri Pirko 13825c72299fSAmritha Nambiar if (!fold && __fl_lookup(fnew->mask, &fnew->mkey)) { 1383a3308d8fSPaul Blakey err = -EEXIST; 138405cd271fSPaul Blakey goto errout_mask; 1385a3308d8fSPaul Blakey } 1386a3308d8fSPaul Blakey 138705cd271fSPaul Blakey err = rhashtable_insert_fast(&fnew->mask->ht, &fnew->ht_node, 138805cd271fSPaul Blakey fnew->mask->filter_ht_params); 138977b9900eSJiri Pirko if (err) 139005cd271fSPaul Blakey goto errout_mask; 13915b33f488SAmir Vadai 139279685219SHadar Hen Zion if (!tc_skip_hw(fnew->flags)) { 139305cd271fSPaul Blakey err = fl_hw_replace_filter(tp, fnew, extack); 1394e8eb36cdSAmir Vadai if (err) 1395c1f7e029SPetr Machata goto errout_mask_ht; 139679685219SHadar Hen Zion } 13975b33f488SAmir Vadai 139855593960SOr Gerlitz if (!tc_in_hw(fnew->flags)) 139955593960SOr Gerlitz fnew->flags |= TCA_CLS_FLAGS_NOT_IN_HW; 140055593960SOr Gerlitz 14015b33f488SAmir Vadai if (fold) { 140205cd271fSPaul Blakey rhashtable_remove_fast(&fold->mask->ht, 140305cd271fSPaul Blakey &fold->ht_node, 140405cd271fSPaul Blakey fold->mask->filter_ht_params); 140579685219SHadar Hen Zion if (!tc_skip_hw(fold->flags)) 14061b0f8037SJakub Kicinski fl_hw_destroy_filter(tp, fold, NULL); 14075b33f488SAmir Vadai } 140877b9900eSJiri Pirko 14098113c095SWANG Cong *arg = fnew; 141077b9900eSJiri Pirko 141177b9900eSJiri Pirko if (fold) { 1412234a4624SMatthew Wilcox idr_replace(&head->handle_idr, fnew, fnew->handle); 1413ff3532f2SDaniel Borkmann list_replace_rcu(&fold->list, &fnew->list); 141477b9900eSJiri Pirko tcf_unbind_filter(tp, &fold->res); 14150dadc117SCong Wang tcf_exts_get_net(&fold->exts); 1416aaa908ffSCong Wang tcf_queue_work(&fold->rwork, fl_destroy_filter_work); 141777b9900eSJiri Pirko } else { 141805cd271fSPaul Blakey list_add_tail_rcu(&fnew->list, &fnew->mask->filters); 141977b9900eSJiri Pirko } 142077b9900eSJiri Pirko 142139b7b6a6SArnd Bergmann kfree(tb); 14222cddd201SIvan Vecera kfree(mask); 142377b9900eSJiri Pirko return 0; 142477b9900eSJiri Pirko 1425c1f7e029SPetr Machata errout_mask_ht: 1426c1f7e029SPetr Machata rhashtable_remove_fast(&fnew->mask->ht, &fnew->ht_node, 1427c1f7e029SPetr Machata fnew->mask->filter_ht_params); 1428c1f7e029SPetr Machata 142905cd271fSPaul Blakey errout_mask: 143005cd271fSPaul Blakey fl_mask_put(head, fnew->mask, false); 143105cd271fSPaul Blakey 1432fe2502e4SCong Wang errout_idr: 14338258d2daSPaul Blakey if (!fold) 14349c160941SMatthew Wilcox idr_remove(&head->handle_idr, fnew->handle); 143577b9900eSJiri Pirko errout: 1436b9a24bb7SWANG Cong tcf_exts_destroy(&fnew->exts); 143777b9900eSJiri Pirko kfree(fnew); 143839b7b6a6SArnd Bergmann errout_tb: 143939b7b6a6SArnd Bergmann kfree(tb); 14402cddd201SIvan Vecera errout_mask_alloc: 14412cddd201SIvan Vecera kfree(mask); 144277b9900eSJiri Pirko return err; 144377b9900eSJiri Pirko } 144477b9900eSJiri Pirko 1445571acf21SAlexander Aring static int fl_delete(struct tcf_proto *tp, void *arg, bool *last, 144612db03b6SVlad Buslov bool rtnl_held, struct netlink_ext_ack *extack) 144777b9900eSJiri Pirko { 144877b9900eSJiri Pirko struct cls_fl_head *head = rtnl_dereference(tp->root); 14498113c095SWANG Cong struct cls_fl_filter *f = arg; 145077b9900eSJiri Pirko 145105cd271fSPaul Blakey rhashtable_remove_fast(&f->mask->ht, &f->ht_node, 145205cd271fSPaul Blakey f->mask->filter_ht_params); 14531b0f8037SJakub Kicinski __fl_delete(tp, f, extack); 145405cd271fSPaul Blakey *last = list_empty(&head->masks); 145577b9900eSJiri Pirko return 0; 145677b9900eSJiri Pirko } 145777b9900eSJiri Pirko 145812db03b6SVlad Buslov static void fl_walk(struct tcf_proto *tp, struct tcf_walker *arg, 145912db03b6SVlad Buslov bool rtnl_held) 146077b9900eSJiri Pirko { 146177b9900eSJiri Pirko struct cls_fl_head *head = rtnl_dereference(tp->root); 146277b9900eSJiri Pirko struct cls_fl_filter *f; 146377b9900eSJiri Pirko 146401683a14SVlad Buslov arg->count = arg->skip; 146501683a14SVlad Buslov 146601683a14SVlad Buslov while ((f = idr_get_next_ul(&head->handle_idr, 146701683a14SVlad Buslov &arg->cookie)) != NULL) { 14688113c095SWANG Cong if (arg->fn(tp, f, arg) < 0) { 146977b9900eSJiri Pirko arg->stop = 1; 147077b9900eSJiri Pirko break; 147177b9900eSJiri Pirko } 147201683a14SVlad Buslov arg->cookie = f->handle + 1; 147377b9900eSJiri Pirko arg->count++; 147477b9900eSJiri Pirko } 147577b9900eSJiri Pirko } 147677b9900eSJiri Pirko 147731533cbaSJohn Hurley static int fl_reoffload(struct tcf_proto *tp, bool add, tc_setup_cb_t *cb, 147831533cbaSJohn Hurley void *cb_priv, struct netlink_ext_ack *extack) 147931533cbaSJohn Hurley { 148031533cbaSJohn Hurley struct cls_fl_head *head = rtnl_dereference(tp->root); 148131533cbaSJohn Hurley struct tc_cls_flower_offload cls_flower = {}; 148231533cbaSJohn Hurley struct tcf_block *block = tp->chain->block; 148331533cbaSJohn Hurley struct fl_flow_mask *mask; 148431533cbaSJohn Hurley struct cls_fl_filter *f; 148531533cbaSJohn Hurley int err; 148631533cbaSJohn Hurley 148731533cbaSJohn Hurley list_for_each_entry(mask, &head->masks, list) { 148831533cbaSJohn Hurley list_for_each_entry(f, &mask->filters, list) { 148931533cbaSJohn Hurley if (tc_skip_hw(f->flags)) 149031533cbaSJohn Hurley continue; 149131533cbaSJohn Hurley 1492e3ab786bSPablo Neira Ayuso cls_flower.rule = 1493e3ab786bSPablo Neira Ayuso flow_rule_alloc(tcf_exts_num_actions(&f->exts)); 14948f256622SPablo Neira Ayuso if (!cls_flower.rule) 14958f256622SPablo Neira Ayuso return -ENOMEM; 14968f256622SPablo Neira Ayuso 149731533cbaSJohn Hurley tc_cls_common_offload_init(&cls_flower.common, tp, 149831533cbaSJohn Hurley f->flags, extack); 149931533cbaSJohn Hurley cls_flower.command = add ? 150031533cbaSJohn Hurley TC_CLSFLOWER_REPLACE : TC_CLSFLOWER_DESTROY; 150131533cbaSJohn Hurley cls_flower.cookie = (unsigned long)f; 15028f256622SPablo Neira Ayuso cls_flower.rule->match.dissector = &mask->dissector; 15038f256622SPablo Neira Ayuso cls_flower.rule->match.mask = &mask->key; 15048f256622SPablo Neira Ayuso cls_flower.rule->match.key = &f->mkey; 15053a7b6861SPablo Neira Ayuso 15063a7b6861SPablo Neira Ayuso err = tc_setup_flow_action(&cls_flower.rule->action, 15073a7b6861SPablo Neira Ayuso &f->exts); 15083a7b6861SPablo Neira Ayuso if (err) { 15093a7b6861SPablo Neira Ayuso kfree(cls_flower.rule); 1510*1f15bb4fSVlad Buslov if (tc_skip_sw(f->flags)) { 1511*1f15bb4fSVlad Buslov NL_SET_ERR_MSG_MOD(extack, "Failed to setup flow action"); 15123a7b6861SPablo Neira Ayuso return err; 15133a7b6861SPablo Neira Ayuso } 1514*1f15bb4fSVlad Buslov continue; 1515*1f15bb4fSVlad Buslov } 15163a7b6861SPablo Neira Ayuso 151731533cbaSJohn Hurley cls_flower.classid = f->res.classid; 151831533cbaSJohn Hurley 151931533cbaSJohn Hurley err = cb(TC_SETUP_CLSFLOWER, &cls_flower, cb_priv); 15208f256622SPablo Neira Ayuso kfree(cls_flower.rule); 15218f256622SPablo Neira Ayuso 152231533cbaSJohn Hurley if (err) { 152331533cbaSJohn Hurley if (add && tc_skip_sw(f->flags)) 152431533cbaSJohn Hurley return err; 152531533cbaSJohn Hurley continue; 152631533cbaSJohn Hurley } 152731533cbaSJohn Hurley 152831533cbaSJohn Hurley tc_cls_offload_cnt_update(block, &f->in_hw_count, 152931533cbaSJohn Hurley &f->flags, add); 153031533cbaSJohn Hurley } 153131533cbaSJohn Hurley } 153231533cbaSJohn Hurley 153331533cbaSJohn Hurley return 0; 153431533cbaSJohn Hurley } 153531533cbaSJohn Hurley 15368f256622SPablo Neira Ayuso static int fl_hw_create_tmplt(struct tcf_chain *chain, 153734738452SJiri Pirko struct fl_flow_tmplt *tmplt) 153834738452SJiri Pirko { 153934738452SJiri Pirko struct tc_cls_flower_offload cls_flower = {}; 154034738452SJiri Pirko struct tcf_block *block = chain->block; 154134738452SJiri Pirko 1542e3ab786bSPablo Neira Ayuso cls_flower.rule = flow_rule_alloc(0); 15438f256622SPablo Neira Ayuso if (!cls_flower.rule) 15448f256622SPablo Neira Ayuso return -ENOMEM; 15458f256622SPablo Neira Ayuso 154634738452SJiri Pirko cls_flower.common.chain_index = chain->index; 154734738452SJiri Pirko cls_flower.command = TC_CLSFLOWER_TMPLT_CREATE; 154834738452SJiri Pirko cls_flower.cookie = (unsigned long) tmplt; 15498f256622SPablo Neira Ayuso cls_flower.rule->match.dissector = &tmplt->dissector; 15508f256622SPablo Neira Ayuso cls_flower.rule->match.mask = &tmplt->mask; 15518f256622SPablo Neira Ayuso cls_flower.rule->match.key = &tmplt->dummy_key; 155234738452SJiri Pirko 155334738452SJiri Pirko /* We don't care if driver (any of them) fails to handle this 155434738452SJiri Pirko * call. It serves just as a hint for it. 155534738452SJiri Pirko */ 1556aeb3fecdSCong Wang tc_setup_cb_call(block, TC_SETUP_CLSFLOWER, &cls_flower, false); 15578f256622SPablo Neira Ayuso kfree(cls_flower.rule); 15588f256622SPablo Neira Ayuso 15598f256622SPablo Neira Ayuso return 0; 156034738452SJiri Pirko } 156134738452SJiri Pirko 156234738452SJiri Pirko static void fl_hw_destroy_tmplt(struct tcf_chain *chain, 156334738452SJiri Pirko struct fl_flow_tmplt *tmplt) 156434738452SJiri Pirko { 156534738452SJiri Pirko struct tc_cls_flower_offload cls_flower = {}; 156634738452SJiri Pirko struct tcf_block *block = chain->block; 156734738452SJiri Pirko 156834738452SJiri Pirko cls_flower.common.chain_index = chain->index; 156934738452SJiri Pirko cls_flower.command = TC_CLSFLOWER_TMPLT_DESTROY; 157034738452SJiri Pirko cls_flower.cookie = (unsigned long) tmplt; 157134738452SJiri Pirko 1572aeb3fecdSCong Wang tc_setup_cb_call(block, TC_SETUP_CLSFLOWER, &cls_flower, false); 157334738452SJiri Pirko } 157434738452SJiri Pirko 1575b95ec7ebSJiri Pirko static void *fl_tmplt_create(struct net *net, struct tcf_chain *chain, 1576b95ec7ebSJiri Pirko struct nlattr **tca, 1577b95ec7ebSJiri Pirko struct netlink_ext_ack *extack) 1578b95ec7ebSJiri Pirko { 1579b95ec7ebSJiri Pirko struct fl_flow_tmplt *tmplt; 1580b95ec7ebSJiri Pirko struct nlattr **tb; 1581b95ec7ebSJiri Pirko int err; 1582b95ec7ebSJiri Pirko 1583b95ec7ebSJiri Pirko if (!tca[TCA_OPTIONS]) 1584b95ec7ebSJiri Pirko return ERR_PTR(-EINVAL); 1585b95ec7ebSJiri Pirko 1586b95ec7ebSJiri Pirko tb = kcalloc(TCA_FLOWER_MAX + 1, sizeof(struct nlattr *), GFP_KERNEL); 1587b95ec7ebSJiri Pirko if (!tb) 1588b95ec7ebSJiri Pirko return ERR_PTR(-ENOBUFS); 1589b95ec7ebSJiri Pirko err = nla_parse_nested(tb, TCA_FLOWER_MAX, tca[TCA_OPTIONS], 1590b95ec7ebSJiri Pirko fl_policy, NULL); 1591b95ec7ebSJiri Pirko if (err) 1592b95ec7ebSJiri Pirko goto errout_tb; 1593b95ec7ebSJiri Pirko 1594b95ec7ebSJiri Pirko tmplt = kzalloc(sizeof(*tmplt), GFP_KERNEL); 15951cbc36a5SDan Carpenter if (!tmplt) { 15961cbc36a5SDan Carpenter err = -ENOMEM; 1597b95ec7ebSJiri Pirko goto errout_tb; 15981cbc36a5SDan Carpenter } 1599b95ec7ebSJiri Pirko tmplt->chain = chain; 1600b95ec7ebSJiri Pirko err = fl_set_key(net, tb, &tmplt->dummy_key, &tmplt->mask, extack); 1601b95ec7ebSJiri Pirko if (err) 1602b95ec7ebSJiri Pirko goto errout_tmplt; 1603b95ec7ebSJiri Pirko 1604b95ec7ebSJiri Pirko fl_init_dissector(&tmplt->dissector, &tmplt->mask); 1605b95ec7ebSJiri Pirko 16068f256622SPablo Neira Ayuso err = fl_hw_create_tmplt(chain, tmplt); 16078f256622SPablo Neira Ayuso if (err) 16088f256622SPablo Neira Ayuso goto errout_tmplt; 160934738452SJiri Pirko 16108f256622SPablo Neira Ayuso kfree(tb); 1611b95ec7ebSJiri Pirko return tmplt; 1612b95ec7ebSJiri Pirko 1613b95ec7ebSJiri Pirko errout_tmplt: 1614b95ec7ebSJiri Pirko kfree(tmplt); 1615b95ec7ebSJiri Pirko errout_tb: 1616b95ec7ebSJiri Pirko kfree(tb); 1617b95ec7ebSJiri Pirko return ERR_PTR(err); 1618b95ec7ebSJiri Pirko } 1619b95ec7ebSJiri Pirko 1620b95ec7ebSJiri Pirko static void fl_tmplt_destroy(void *tmplt_priv) 1621b95ec7ebSJiri Pirko { 1622b95ec7ebSJiri Pirko struct fl_flow_tmplt *tmplt = tmplt_priv; 1623b95ec7ebSJiri Pirko 162495278ddaSCong Wang fl_hw_destroy_tmplt(tmplt->chain, tmplt); 162595278ddaSCong Wang kfree(tmplt); 1626b95ec7ebSJiri Pirko } 1627b95ec7ebSJiri Pirko 162877b9900eSJiri Pirko static int fl_dump_key_val(struct sk_buff *skb, 162977b9900eSJiri Pirko void *val, int val_type, 163077b9900eSJiri Pirko void *mask, int mask_type, int len) 163177b9900eSJiri Pirko { 163277b9900eSJiri Pirko int err; 163377b9900eSJiri Pirko 163477b9900eSJiri Pirko if (!memchr_inv(mask, 0, len)) 163577b9900eSJiri Pirko return 0; 163677b9900eSJiri Pirko err = nla_put(skb, val_type, len, val); 163777b9900eSJiri Pirko if (err) 163877b9900eSJiri Pirko return err; 163977b9900eSJiri Pirko if (mask_type != TCA_FLOWER_UNSPEC) { 164077b9900eSJiri Pirko err = nla_put(skb, mask_type, len, mask); 164177b9900eSJiri Pirko if (err) 164277b9900eSJiri Pirko return err; 164377b9900eSJiri Pirko } 164477b9900eSJiri Pirko return 0; 164577b9900eSJiri Pirko } 164677b9900eSJiri Pirko 16475c72299fSAmritha Nambiar static int fl_dump_key_port_range(struct sk_buff *skb, struct fl_flow_key *key, 16485c72299fSAmritha Nambiar struct fl_flow_key *mask) 16495c72299fSAmritha Nambiar { 16505c72299fSAmritha Nambiar if (fl_dump_key_val(skb, &key->tp_min.dst, TCA_FLOWER_KEY_PORT_DST_MIN, 16515c72299fSAmritha Nambiar &mask->tp_min.dst, TCA_FLOWER_UNSPEC, 16525c72299fSAmritha Nambiar sizeof(key->tp_min.dst)) || 16535c72299fSAmritha Nambiar fl_dump_key_val(skb, &key->tp_max.dst, TCA_FLOWER_KEY_PORT_DST_MAX, 16545c72299fSAmritha Nambiar &mask->tp_max.dst, TCA_FLOWER_UNSPEC, 16555c72299fSAmritha Nambiar sizeof(key->tp_max.dst)) || 16565c72299fSAmritha Nambiar fl_dump_key_val(skb, &key->tp_min.src, TCA_FLOWER_KEY_PORT_SRC_MIN, 16575c72299fSAmritha Nambiar &mask->tp_min.src, TCA_FLOWER_UNSPEC, 16585c72299fSAmritha Nambiar sizeof(key->tp_min.src)) || 16595c72299fSAmritha Nambiar fl_dump_key_val(skb, &key->tp_max.src, TCA_FLOWER_KEY_PORT_SRC_MAX, 16605c72299fSAmritha Nambiar &mask->tp_max.src, TCA_FLOWER_UNSPEC, 16615c72299fSAmritha Nambiar sizeof(key->tp_max.src))) 16625c72299fSAmritha Nambiar return -1; 16635c72299fSAmritha Nambiar 16645c72299fSAmritha Nambiar return 0; 16655c72299fSAmritha Nambiar } 16665c72299fSAmritha Nambiar 1667a577d8f7SBenjamin LaHaise static int fl_dump_key_mpls(struct sk_buff *skb, 1668a577d8f7SBenjamin LaHaise struct flow_dissector_key_mpls *mpls_key, 1669a577d8f7SBenjamin LaHaise struct flow_dissector_key_mpls *mpls_mask) 1670a577d8f7SBenjamin LaHaise { 1671a577d8f7SBenjamin LaHaise int err; 1672a577d8f7SBenjamin LaHaise 1673a577d8f7SBenjamin LaHaise if (!memchr_inv(mpls_mask, 0, sizeof(*mpls_mask))) 1674a577d8f7SBenjamin LaHaise return 0; 1675a577d8f7SBenjamin LaHaise if (mpls_mask->mpls_ttl) { 1676a577d8f7SBenjamin LaHaise err = nla_put_u8(skb, TCA_FLOWER_KEY_MPLS_TTL, 1677a577d8f7SBenjamin LaHaise mpls_key->mpls_ttl); 1678a577d8f7SBenjamin LaHaise if (err) 1679a577d8f7SBenjamin LaHaise return err; 1680a577d8f7SBenjamin LaHaise } 1681a577d8f7SBenjamin LaHaise if (mpls_mask->mpls_tc) { 1682a577d8f7SBenjamin LaHaise err = nla_put_u8(skb, TCA_FLOWER_KEY_MPLS_TC, 1683a577d8f7SBenjamin LaHaise mpls_key->mpls_tc); 1684a577d8f7SBenjamin LaHaise if (err) 1685a577d8f7SBenjamin LaHaise return err; 1686a577d8f7SBenjamin LaHaise } 1687a577d8f7SBenjamin LaHaise if (mpls_mask->mpls_label) { 1688a577d8f7SBenjamin LaHaise err = nla_put_u32(skb, TCA_FLOWER_KEY_MPLS_LABEL, 1689a577d8f7SBenjamin LaHaise mpls_key->mpls_label); 1690a577d8f7SBenjamin LaHaise if (err) 1691a577d8f7SBenjamin LaHaise return err; 1692a577d8f7SBenjamin LaHaise } 1693a577d8f7SBenjamin LaHaise if (mpls_mask->mpls_bos) { 1694a577d8f7SBenjamin LaHaise err = nla_put_u8(skb, TCA_FLOWER_KEY_MPLS_BOS, 1695a577d8f7SBenjamin LaHaise mpls_key->mpls_bos); 1696a577d8f7SBenjamin LaHaise if (err) 1697a577d8f7SBenjamin LaHaise return err; 1698a577d8f7SBenjamin LaHaise } 1699a577d8f7SBenjamin LaHaise return 0; 1700a577d8f7SBenjamin LaHaise } 1701a577d8f7SBenjamin LaHaise 17020e2c17b6SOr Gerlitz static int fl_dump_key_ip(struct sk_buff *skb, bool encap, 17034d80cc0aSOr Gerlitz struct flow_dissector_key_ip *key, 17044d80cc0aSOr Gerlitz struct flow_dissector_key_ip *mask) 17054d80cc0aSOr Gerlitz { 17060e2c17b6SOr Gerlitz int tos_key = encap ? TCA_FLOWER_KEY_ENC_IP_TOS : TCA_FLOWER_KEY_IP_TOS; 17070e2c17b6SOr Gerlitz int ttl_key = encap ? TCA_FLOWER_KEY_ENC_IP_TTL : TCA_FLOWER_KEY_IP_TTL; 17080e2c17b6SOr Gerlitz int tos_mask = encap ? TCA_FLOWER_KEY_ENC_IP_TOS_MASK : TCA_FLOWER_KEY_IP_TOS_MASK; 17090e2c17b6SOr Gerlitz int ttl_mask = encap ? TCA_FLOWER_KEY_ENC_IP_TTL_MASK : TCA_FLOWER_KEY_IP_TTL_MASK; 17100e2c17b6SOr Gerlitz 17110e2c17b6SOr Gerlitz if (fl_dump_key_val(skb, &key->tos, tos_key, &mask->tos, tos_mask, sizeof(key->tos)) || 17120e2c17b6SOr Gerlitz fl_dump_key_val(skb, &key->ttl, ttl_key, &mask->ttl, ttl_mask, sizeof(key->ttl))) 17134d80cc0aSOr Gerlitz return -1; 17144d80cc0aSOr Gerlitz 17154d80cc0aSOr Gerlitz return 0; 17164d80cc0aSOr Gerlitz } 17174d80cc0aSOr Gerlitz 17189399ae9aSHadar Hen Zion static int fl_dump_key_vlan(struct sk_buff *skb, 1719d64efd09SJianbo Liu int vlan_id_key, int vlan_prio_key, 17209399ae9aSHadar Hen Zion struct flow_dissector_key_vlan *vlan_key, 17219399ae9aSHadar Hen Zion struct flow_dissector_key_vlan *vlan_mask) 17229399ae9aSHadar Hen Zion { 17239399ae9aSHadar Hen Zion int err; 17249399ae9aSHadar Hen Zion 17259399ae9aSHadar Hen Zion if (!memchr_inv(vlan_mask, 0, sizeof(*vlan_mask))) 17269399ae9aSHadar Hen Zion return 0; 17279399ae9aSHadar Hen Zion if (vlan_mask->vlan_id) { 1728d64efd09SJianbo Liu err = nla_put_u16(skb, vlan_id_key, 17299399ae9aSHadar Hen Zion vlan_key->vlan_id); 17309399ae9aSHadar Hen Zion if (err) 17319399ae9aSHadar Hen Zion return err; 17329399ae9aSHadar Hen Zion } 17339399ae9aSHadar Hen Zion if (vlan_mask->vlan_priority) { 1734d64efd09SJianbo Liu err = nla_put_u8(skb, vlan_prio_key, 17359399ae9aSHadar Hen Zion vlan_key->vlan_priority); 17369399ae9aSHadar Hen Zion if (err) 17379399ae9aSHadar Hen Zion return err; 17389399ae9aSHadar Hen Zion } 17399399ae9aSHadar Hen Zion return 0; 17409399ae9aSHadar Hen Zion } 17419399ae9aSHadar Hen Zion 1742faa3ffceSOr Gerlitz static void fl_get_key_flag(u32 dissector_key, u32 dissector_mask, 1743faa3ffceSOr Gerlitz u32 *flower_key, u32 *flower_mask, 1744faa3ffceSOr Gerlitz u32 flower_flag_bit, u32 dissector_flag_bit) 1745faa3ffceSOr Gerlitz { 1746faa3ffceSOr Gerlitz if (dissector_mask & dissector_flag_bit) { 1747faa3ffceSOr Gerlitz *flower_mask |= flower_flag_bit; 1748faa3ffceSOr Gerlitz if (dissector_key & dissector_flag_bit) 1749faa3ffceSOr Gerlitz *flower_key |= flower_flag_bit; 1750faa3ffceSOr Gerlitz } 1751faa3ffceSOr Gerlitz } 1752faa3ffceSOr Gerlitz 1753faa3ffceSOr Gerlitz static int fl_dump_key_flags(struct sk_buff *skb, u32 flags_key, u32 flags_mask) 1754faa3ffceSOr Gerlitz { 1755faa3ffceSOr Gerlitz u32 key, mask; 1756faa3ffceSOr Gerlitz __be32 _key, _mask; 1757faa3ffceSOr Gerlitz int err; 1758faa3ffceSOr Gerlitz 1759faa3ffceSOr Gerlitz if (!memchr_inv(&flags_mask, 0, sizeof(flags_mask))) 1760faa3ffceSOr Gerlitz return 0; 1761faa3ffceSOr Gerlitz 1762faa3ffceSOr Gerlitz key = 0; 1763faa3ffceSOr Gerlitz mask = 0; 1764faa3ffceSOr Gerlitz 1765faa3ffceSOr Gerlitz fl_get_key_flag(flags_key, flags_mask, &key, &mask, 1766faa3ffceSOr Gerlitz TCA_FLOWER_KEY_FLAGS_IS_FRAGMENT, FLOW_DIS_IS_FRAGMENT); 1767459d153dSPieter Jansen van Vuuren fl_get_key_flag(flags_key, flags_mask, &key, &mask, 1768459d153dSPieter Jansen van Vuuren TCA_FLOWER_KEY_FLAGS_FRAG_IS_FIRST, 1769459d153dSPieter Jansen van Vuuren FLOW_DIS_FIRST_FRAG); 1770faa3ffceSOr Gerlitz 1771faa3ffceSOr Gerlitz _key = cpu_to_be32(key); 1772faa3ffceSOr Gerlitz _mask = cpu_to_be32(mask); 1773faa3ffceSOr Gerlitz 1774faa3ffceSOr Gerlitz err = nla_put(skb, TCA_FLOWER_KEY_FLAGS, 4, &_key); 1775faa3ffceSOr Gerlitz if (err) 1776faa3ffceSOr Gerlitz return err; 1777faa3ffceSOr Gerlitz 1778faa3ffceSOr Gerlitz return nla_put(skb, TCA_FLOWER_KEY_FLAGS_MASK, 4, &_mask); 1779faa3ffceSOr Gerlitz } 1780faa3ffceSOr Gerlitz 17810a6e7778SPieter Jansen van Vuuren static int fl_dump_key_geneve_opt(struct sk_buff *skb, 17820a6e7778SPieter Jansen van Vuuren struct flow_dissector_key_enc_opts *enc_opts) 17830a6e7778SPieter Jansen van Vuuren { 17840a6e7778SPieter Jansen van Vuuren struct geneve_opt *opt; 17850a6e7778SPieter Jansen van Vuuren struct nlattr *nest; 17860a6e7778SPieter Jansen van Vuuren int opt_off = 0; 17870a6e7778SPieter Jansen van Vuuren 17880a6e7778SPieter Jansen van Vuuren nest = nla_nest_start(skb, TCA_FLOWER_KEY_ENC_OPTS_GENEVE); 17890a6e7778SPieter Jansen van Vuuren if (!nest) 17900a6e7778SPieter Jansen van Vuuren goto nla_put_failure; 17910a6e7778SPieter Jansen van Vuuren 17920a6e7778SPieter Jansen van Vuuren while (enc_opts->len > opt_off) { 17930a6e7778SPieter Jansen van Vuuren opt = (struct geneve_opt *)&enc_opts->data[opt_off]; 17940a6e7778SPieter Jansen van Vuuren 17950a6e7778SPieter Jansen van Vuuren if (nla_put_be16(skb, TCA_FLOWER_KEY_ENC_OPT_GENEVE_CLASS, 17960a6e7778SPieter Jansen van Vuuren opt->opt_class)) 17970a6e7778SPieter Jansen van Vuuren goto nla_put_failure; 17980a6e7778SPieter Jansen van Vuuren if (nla_put_u8(skb, TCA_FLOWER_KEY_ENC_OPT_GENEVE_TYPE, 17990a6e7778SPieter Jansen van Vuuren opt->type)) 18000a6e7778SPieter Jansen van Vuuren goto nla_put_failure; 18010a6e7778SPieter Jansen van Vuuren if (nla_put(skb, TCA_FLOWER_KEY_ENC_OPT_GENEVE_DATA, 18020a6e7778SPieter Jansen van Vuuren opt->length * 4, opt->opt_data)) 18030a6e7778SPieter Jansen van Vuuren goto nla_put_failure; 18040a6e7778SPieter Jansen van Vuuren 18050a6e7778SPieter Jansen van Vuuren opt_off += sizeof(struct geneve_opt) + opt->length * 4; 18060a6e7778SPieter Jansen van Vuuren } 18070a6e7778SPieter Jansen van Vuuren nla_nest_end(skb, nest); 18080a6e7778SPieter Jansen van Vuuren return 0; 18090a6e7778SPieter Jansen van Vuuren 18100a6e7778SPieter Jansen van Vuuren nla_put_failure: 18110a6e7778SPieter Jansen van Vuuren nla_nest_cancel(skb, nest); 18120a6e7778SPieter Jansen van Vuuren return -EMSGSIZE; 18130a6e7778SPieter Jansen van Vuuren } 18140a6e7778SPieter Jansen van Vuuren 18150a6e7778SPieter Jansen van Vuuren static int fl_dump_key_options(struct sk_buff *skb, int enc_opt_type, 18160a6e7778SPieter Jansen van Vuuren struct flow_dissector_key_enc_opts *enc_opts) 18170a6e7778SPieter Jansen van Vuuren { 18180a6e7778SPieter Jansen van Vuuren struct nlattr *nest; 18190a6e7778SPieter Jansen van Vuuren int err; 18200a6e7778SPieter Jansen van Vuuren 18210a6e7778SPieter Jansen van Vuuren if (!enc_opts->len) 18220a6e7778SPieter Jansen van Vuuren return 0; 18230a6e7778SPieter Jansen van Vuuren 18240a6e7778SPieter Jansen van Vuuren nest = nla_nest_start(skb, enc_opt_type); 18250a6e7778SPieter Jansen van Vuuren if (!nest) 18260a6e7778SPieter Jansen van Vuuren goto nla_put_failure; 18270a6e7778SPieter Jansen van Vuuren 18280a6e7778SPieter Jansen van Vuuren switch (enc_opts->dst_opt_type) { 18290a6e7778SPieter Jansen van Vuuren case TUNNEL_GENEVE_OPT: 18300a6e7778SPieter Jansen van Vuuren err = fl_dump_key_geneve_opt(skb, enc_opts); 18310a6e7778SPieter Jansen van Vuuren if (err) 18320a6e7778SPieter Jansen van Vuuren goto nla_put_failure; 18330a6e7778SPieter Jansen van Vuuren break; 18340a6e7778SPieter Jansen van Vuuren default: 18350a6e7778SPieter Jansen van Vuuren goto nla_put_failure; 18360a6e7778SPieter Jansen van Vuuren } 18370a6e7778SPieter Jansen van Vuuren nla_nest_end(skb, nest); 18380a6e7778SPieter Jansen van Vuuren return 0; 18390a6e7778SPieter Jansen van Vuuren 18400a6e7778SPieter Jansen van Vuuren nla_put_failure: 18410a6e7778SPieter Jansen van Vuuren nla_nest_cancel(skb, nest); 18420a6e7778SPieter Jansen van Vuuren return -EMSGSIZE; 18430a6e7778SPieter Jansen van Vuuren } 18440a6e7778SPieter Jansen van Vuuren 18450a6e7778SPieter Jansen van Vuuren static int fl_dump_key_enc_opt(struct sk_buff *skb, 18460a6e7778SPieter Jansen van Vuuren struct flow_dissector_key_enc_opts *key_opts, 18470a6e7778SPieter Jansen van Vuuren struct flow_dissector_key_enc_opts *msk_opts) 18480a6e7778SPieter Jansen van Vuuren { 18490a6e7778SPieter Jansen van Vuuren int err; 18500a6e7778SPieter Jansen van Vuuren 18510a6e7778SPieter Jansen van Vuuren err = fl_dump_key_options(skb, TCA_FLOWER_KEY_ENC_OPTS, key_opts); 18520a6e7778SPieter Jansen van Vuuren if (err) 18530a6e7778SPieter Jansen van Vuuren return err; 18540a6e7778SPieter Jansen van Vuuren 18550a6e7778SPieter Jansen van Vuuren return fl_dump_key_options(skb, TCA_FLOWER_KEY_ENC_OPTS_MASK, msk_opts); 18560a6e7778SPieter Jansen van Vuuren } 18570a6e7778SPieter Jansen van Vuuren 1858f5749081SJiri Pirko static int fl_dump_key(struct sk_buff *skb, struct net *net, 1859f5749081SJiri Pirko struct fl_flow_key *key, struct fl_flow_key *mask) 186077b9900eSJiri Pirko { 186177b9900eSJiri Pirko if (mask->indev_ifindex) { 186277b9900eSJiri Pirko struct net_device *dev; 186377b9900eSJiri Pirko 186477b9900eSJiri Pirko dev = __dev_get_by_index(net, key->indev_ifindex); 186577b9900eSJiri Pirko if (dev && nla_put_string(skb, TCA_FLOWER_INDEV, dev->name)) 186677b9900eSJiri Pirko goto nla_put_failure; 186777b9900eSJiri Pirko } 186877b9900eSJiri Pirko 186977b9900eSJiri Pirko if (fl_dump_key_val(skb, key->eth.dst, TCA_FLOWER_KEY_ETH_DST, 187077b9900eSJiri Pirko mask->eth.dst, TCA_FLOWER_KEY_ETH_DST_MASK, 187177b9900eSJiri Pirko sizeof(key->eth.dst)) || 187277b9900eSJiri Pirko fl_dump_key_val(skb, key->eth.src, TCA_FLOWER_KEY_ETH_SRC, 187377b9900eSJiri Pirko mask->eth.src, TCA_FLOWER_KEY_ETH_SRC_MASK, 187477b9900eSJiri Pirko sizeof(key->eth.src)) || 187577b9900eSJiri Pirko fl_dump_key_val(skb, &key->basic.n_proto, TCA_FLOWER_KEY_ETH_TYPE, 187677b9900eSJiri Pirko &mask->basic.n_proto, TCA_FLOWER_UNSPEC, 187777b9900eSJiri Pirko sizeof(key->basic.n_proto))) 187877b9900eSJiri Pirko goto nla_put_failure; 18799399ae9aSHadar Hen Zion 1880a577d8f7SBenjamin LaHaise if (fl_dump_key_mpls(skb, &key->mpls, &mask->mpls)) 1881a577d8f7SBenjamin LaHaise goto nla_put_failure; 1882a577d8f7SBenjamin LaHaise 1883d64efd09SJianbo Liu if (fl_dump_key_vlan(skb, TCA_FLOWER_KEY_VLAN_ID, 1884d64efd09SJianbo Liu TCA_FLOWER_KEY_VLAN_PRIO, &key->vlan, &mask->vlan)) 18859399ae9aSHadar Hen Zion goto nla_put_failure; 18869399ae9aSHadar Hen Zion 1887d64efd09SJianbo Liu if (fl_dump_key_vlan(skb, TCA_FLOWER_KEY_CVLAN_ID, 1888d64efd09SJianbo Liu TCA_FLOWER_KEY_CVLAN_PRIO, 1889d64efd09SJianbo Liu &key->cvlan, &mask->cvlan) || 1890d64efd09SJianbo Liu (mask->cvlan.vlan_tpid && 1891158abbf1SJianbo Liu nla_put_be16(skb, TCA_FLOWER_KEY_VLAN_ETH_TYPE, 1892d64efd09SJianbo Liu key->cvlan.vlan_tpid))) 1893d3069512SJianbo Liu goto nla_put_failure; 1894d3069512SJianbo Liu 18955e9a0fe4SJianbo Liu if (mask->basic.n_proto) { 1896d64efd09SJianbo Liu if (mask->cvlan.vlan_tpid) { 1897d64efd09SJianbo Liu if (nla_put_be16(skb, TCA_FLOWER_KEY_CVLAN_ETH_TYPE, 1898d64efd09SJianbo Liu key->basic.n_proto)) 1899d64efd09SJianbo Liu goto nla_put_failure; 1900d64efd09SJianbo Liu } else if (mask->vlan.vlan_tpid) { 1901d64efd09SJianbo Liu if (nla_put_be16(skb, TCA_FLOWER_KEY_VLAN_ETH_TYPE, 1902d64efd09SJianbo Liu key->basic.n_proto)) 1903d64efd09SJianbo Liu goto nla_put_failure; 1904d64efd09SJianbo Liu } 19055e9a0fe4SJianbo Liu } 1906d64efd09SJianbo Liu 190777b9900eSJiri Pirko if ((key->basic.n_proto == htons(ETH_P_IP) || 190877b9900eSJiri Pirko key->basic.n_proto == htons(ETH_P_IPV6)) && 19094d80cc0aSOr Gerlitz (fl_dump_key_val(skb, &key->basic.ip_proto, TCA_FLOWER_KEY_IP_PROTO, 191077b9900eSJiri Pirko &mask->basic.ip_proto, TCA_FLOWER_UNSPEC, 19114d80cc0aSOr Gerlitz sizeof(key->basic.ip_proto)) || 19120e2c17b6SOr Gerlitz fl_dump_key_ip(skb, false, &key->ip, &mask->ip))) 191377b9900eSJiri Pirko goto nla_put_failure; 191477b9900eSJiri Pirko 1915c3f83241STom Herbert if (key->control.addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS && 191677b9900eSJiri Pirko (fl_dump_key_val(skb, &key->ipv4.src, TCA_FLOWER_KEY_IPV4_SRC, 191777b9900eSJiri Pirko &mask->ipv4.src, TCA_FLOWER_KEY_IPV4_SRC_MASK, 191877b9900eSJiri Pirko sizeof(key->ipv4.src)) || 191977b9900eSJiri Pirko fl_dump_key_val(skb, &key->ipv4.dst, TCA_FLOWER_KEY_IPV4_DST, 192077b9900eSJiri Pirko &mask->ipv4.dst, TCA_FLOWER_KEY_IPV4_DST_MASK, 192177b9900eSJiri Pirko sizeof(key->ipv4.dst)))) 192277b9900eSJiri Pirko goto nla_put_failure; 1923c3f83241STom Herbert else if (key->control.addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS && 192477b9900eSJiri Pirko (fl_dump_key_val(skb, &key->ipv6.src, TCA_FLOWER_KEY_IPV6_SRC, 192577b9900eSJiri Pirko &mask->ipv6.src, TCA_FLOWER_KEY_IPV6_SRC_MASK, 192677b9900eSJiri Pirko sizeof(key->ipv6.src)) || 192777b9900eSJiri Pirko fl_dump_key_val(skb, &key->ipv6.dst, TCA_FLOWER_KEY_IPV6_DST, 192877b9900eSJiri Pirko &mask->ipv6.dst, TCA_FLOWER_KEY_IPV6_DST_MASK, 192977b9900eSJiri Pirko sizeof(key->ipv6.dst)))) 193077b9900eSJiri Pirko goto nla_put_failure; 193177b9900eSJiri Pirko 193277b9900eSJiri Pirko if (key->basic.ip_proto == IPPROTO_TCP && 193377b9900eSJiri Pirko (fl_dump_key_val(skb, &key->tp.src, TCA_FLOWER_KEY_TCP_SRC, 1934aa72d708SOr Gerlitz &mask->tp.src, TCA_FLOWER_KEY_TCP_SRC_MASK, 193577b9900eSJiri Pirko sizeof(key->tp.src)) || 193677b9900eSJiri Pirko fl_dump_key_val(skb, &key->tp.dst, TCA_FLOWER_KEY_TCP_DST, 1937aa72d708SOr Gerlitz &mask->tp.dst, TCA_FLOWER_KEY_TCP_DST_MASK, 1938fdfc7dd6SJiri Pirko sizeof(key->tp.dst)) || 1939fdfc7dd6SJiri Pirko fl_dump_key_val(skb, &key->tcp.flags, TCA_FLOWER_KEY_TCP_FLAGS, 1940fdfc7dd6SJiri Pirko &mask->tcp.flags, TCA_FLOWER_KEY_TCP_FLAGS_MASK, 1941fdfc7dd6SJiri Pirko sizeof(key->tcp.flags)))) 194277b9900eSJiri Pirko goto nla_put_failure; 194377b9900eSJiri Pirko else if (key->basic.ip_proto == IPPROTO_UDP && 194477b9900eSJiri Pirko (fl_dump_key_val(skb, &key->tp.src, TCA_FLOWER_KEY_UDP_SRC, 1945aa72d708SOr Gerlitz &mask->tp.src, TCA_FLOWER_KEY_UDP_SRC_MASK, 194677b9900eSJiri Pirko sizeof(key->tp.src)) || 194777b9900eSJiri Pirko fl_dump_key_val(skb, &key->tp.dst, TCA_FLOWER_KEY_UDP_DST, 1948aa72d708SOr Gerlitz &mask->tp.dst, TCA_FLOWER_KEY_UDP_DST_MASK, 194977b9900eSJiri Pirko sizeof(key->tp.dst)))) 195077b9900eSJiri Pirko goto nla_put_failure; 19515976c5f4SSimon Horman else if (key->basic.ip_proto == IPPROTO_SCTP && 19525976c5f4SSimon Horman (fl_dump_key_val(skb, &key->tp.src, TCA_FLOWER_KEY_SCTP_SRC, 19535976c5f4SSimon Horman &mask->tp.src, TCA_FLOWER_KEY_SCTP_SRC_MASK, 19545976c5f4SSimon Horman sizeof(key->tp.src)) || 19555976c5f4SSimon Horman fl_dump_key_val(skb, &key->tp.dst, TCA_FLOWER_KEY_SCTP_DST, 19565976c5f4SSimon Horman &mask->tp.dst, TCA_FLOWER_KEY_SCTP_DST_MASK, 19575976c5f4SSimon Horman sizeof(key->tp.dst)))) 19585976c5f4SSimon Horman goto nla_put_failure; 19597b684884SSimon Horman else if (key->basic.n_proto == htons(ETH_P_IP) && 19607b684884SSimon Horman key->basic.ip_proto == IPPROTO_ICMP && 19617b684884SSimon Horman (fl_dump_key_val(skb, &key->icmp.type, 19627b684884SSimon Horman TCA_FLOWER_KEY_ICMPV4_TYPE, &mask->icmp.type, 19637b684884SSimon Horman TCA_FLOWER_KEY_ICMPV4_TYPE_MASK, 19647b684884SSimon Horman sizeof(key->icmp.type)) || 19657b684884SSimon Horman fl_dump_key_val(skb, &key->icmp.code, 19667b684884SSimon Horman TCA_FLOWER_KEY_ICMPV4_CODE, &mask->icmp.code, 19677b684884SSimon Horman TCA_FLOWER_KEY_ICMPV4_CODE_MASK, 19687b684884SSimon Horman sizeof(key->icmp.code)))) 19697b684884SSimon Horman goto nla_put_failure; 19707b684884SSimon Horman else if (key->basic.n_proto == htons(ETH_P_IPV6) && 19717b684884SSimon Horman key->basic.ip_proto == IPPROTO_ICMPV6 && 19727b684884SSimon Horman (fl_dump_key_val(skb, &key->icmp.type, 19737b684884SSimon Horman TCA_FLOWER_KEY_ICMPV6_TYPE, &mask->icmp.type, 19747b684884SSimon Horman TCA_FLOWER_KEY_ICMPV6_TYPE_MASK, 19757b684884SSimon Horman sizeof(key->icmp.type)) || 19767b684884SSimon Horman fl_dump_key_val(skb, &key->icmp.code, 19777b684884SSimon Horman TCA_FLOWER_KEY_ICMPV6_CODE, &mask->icmp.code, 19787b684884SSimon Horman TCA_FLOWER_KEY_ICMPV6_CODE_MASK, 19797b684884SSimon Horman sizeof(key->icmp.code)))) 19807b684884SSimon Horman goto nla_put_failure; 198199d31326SSimon Horman else if ((key->basic.n_proto == htons(ETH_P_ARP) || 198299d31326SSimon Horman key->basic.n_proto == htons(ETH_P_RARP)) && 198399d31326SSimon Horman (fl_dump_key_val(skb, &key->arp.sip, 198499d31326SSimon Horman TCA_FLOWER_KEY_ARP_SIP, &mask->arp.sip, 198599d31326SSimon Horman TCA_FLOWER_KEY_ARP_SIP_MASK, 198699d31326SSimon Horman sizeof(key->arp.sip)) || 198799d31326SSimon Horman fl_dump_key_val(skb, &key->arp.tip, 198899d31326SSimon Horman TCA_FLOWER_KEY_ARP_TIP, &mask->arp.tip, 198999d31326SSimon Horman TCA_FLOWER_KEY_ARP_TIP_MASK, 199099d31326SSimon Horman sizeof(key->arp.tip)) || 199199d31326SSimon Horman fl_dump_key_val(skb, &key->arp.op, 199299d31326SSimon Horman TCA_FLOWER_KEY_ARP_OP, &mask->arp.op, 199399d31326SSimon Horman TCA_FLOWER_KEY_ARP_OP_MASK, 199499d31326SSimon Horman sizeof(key->arp.op)) || 199599d31326SSimon Horman fl_dump_key_val(skb, key->arp.sha, TCA_FLOWER_KEY_ARP_SHA, 199699d31326SSimon Horman mask->arp.sha, TCA_FLOWER_KEY_ARP_SHA_MASK, 199799d31326SSimon Horman sizeof(key->arp.sha)) || 199899d31326SSimon Horman fl_dump_key_val(skb, key->arp.tha, TCA_FLOWER_KEY_ARP_THA, 199999d31326SSimon Horman mask->arp.tha, TCA_FLOWER_KEY_ARP_THA_MASK, 200099d31326SSimon Horman sizeof(key->arp.tha)))) 200199d31326SSimon Horman goto nla_put_failure; 200277b9900eSJiri Pirko 20035c72299fSAmritha Nambiar if ((key->basic.ip_proto == IPPROTO_TCP || 20045c72299fSAmritha Nambiar key->basic.ip_proto == IPPROTO_UDP || 20055c72299fSAmritha Nambiar key->basic.ip_proto == IPPROTO_SCTP) && 20065c72299fSAmritha Nambiar fl_dump_key_port_range(skb, key, mask)) 20075c72299fSAmritha Nambiar goto nla_put_failure; 20085c72299fSAmritha Nambiar 2009bc3103f1SAmir Vadai if (key->enc_control.addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS && 2010bc3103f1SAmir Vadai (fl_dump_key_val(skb, &key->enc_ipv4.src, 2011bc3103f1SAmir Vadai TCA_FLOWER_KEY_ENC_IPV4_SRC, &mask->enc_ipv4.src, 2012bc3103f1SAmir Vadai TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK, 2013bc3103f1SAmir Vadai sizeof(key->enc_ipv4.src)) || 2014bc3103f1SAmir Vadai fl_dump_key_val(skb, &key->enc_ipv4.dst, 2015bc3103f1SAmir Vadai TCA_FLOWER_KEY_ENC_IPV4_DST, &mask->enc_ipv4.dst, 2016bc3103f1SAmir Vadai TCA_FLOWER_KEY_ENC_IPV4_DST_MASK, 2017bc3103f1SAmir Vadai sizeof(key->enc_ipv4.dst)))) 2018bc3103f1SAmir Vadai goto nla_put_failure; 2019bc3103f1SAmir Vadai else if (key->enc_control.addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS && 2020bc3103f1SAmir Vadai (fl_dump_key_val(skb, &key->enc_ipv6.src, 2021bc3103f1SAmir Vadai TCA_FLOWER_KEY_ENC_IPV6_SRC, &mask->enc_ipv6.src, 2022bc3103f1SAmir Vadai TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK, 2023bc3103f1SAmir Vadai sizeof(key->enc_ipv6.src)) || 2024bc3103f1SAmir Vadai fl_dump_key_val(skb, &key->enc_ipv6.dst, 2025bc3103f1SAmir Vadai TCA_FLOWER_KEY_ENC_IPV6_DST, 2026bc3103f1SAmir Vadai &mask->enc_ipv6.dst, 2027bc3103f1SAmir Vadai TCA_FLOWER_KEY_ENC_IPV6_DST_MASK, 2028bc3103f1SAmir Vadai sizeof(key->enc_ipv6.dst)))) 2029bc3103f1SAmir Vadai goto nla_put_failure; 2030bc3103f1SAmir Vadai 2031bc3103f1SAmir Vadai if (fl_dump_key_val(skb, &key->enc_key_id, TCA_FLOWER_KEY_ENC_KEY_ID, 2032eb523f42SHadar Hen Zion &mask->enc_key_id, TCA_FLOWER_UNSPEC, 2033f4d997fdSHadar Hen Zion sizeof(key->enc_key_id)) || 2034f4d997fdSHadar Hen Zion fl_dump_key_val(skb, &key->enc_tp.src, 2035f4d997fdSHadar Hen Zion TCA_FLOWER_KEY_ENC_UDP_SRC_PORT, 2036f4d997fdSHadar Hen Zion &mask->enc_tp.src, 2037f4d997fdSHadar Hen Zion TCA_FLOWER_KEY_ENC_UDP_SRC_PORT_MASK, 2038f4d997fdSHadar Hen Zion sizeof(key->enc_tp.src)) || 2039f4d997fdSHadar Hen Zion fl_dump_key_val(skb, &key->enc_tp.dst, 2040f4d997fdSHadar Hen Zion TCA_FLOWER_KEY_ENC_UDP_DST_PORT, 2041f4d997fdSHadar Hen Zion &mask->enc_tp.dst, 2042f4d997fdSHadar Hen Zion TCA_FLOWER_KEY_ENC_UDP_DST_PORT_MASK, 20430e2c17b6SOr Gerlitz sizeof(key->enc_tp.dst)) || 20440a6e7778SPieter Jansen van Vuuren fl_dump_key_ip(skb, true, &key->enc_ip, &mask->enc_ip) || 20450a6e7778SPieter Jansen van Vuuren fl_dump_key_enc_opt(skb, &key->enc_opts, &mask->enc_opts)) 2046bc3103f1SAmir Vadai goto nla_put_failure; 2047bc3103f1SAmir Vadai 2048faa3ffceSOr Gerlitz if (fl_dump_key_flags(skb, key->control.flags, mask->control.flags)) 2049faa3ffceSOr Gerlitz goto nla_put_failure; 2050faa3ffceSOr Gerlitz 2051f5749081SJiri Pirko return 0; 2052f5749081SJiri Pirko 2053f5749081SJiri Pirko nla_put_failure: 2054f5749081SJiri Pirko return -EMSGSIZE; 2055f5749081SJiri Pirko } 2056f5749081SJiri Pirko 2057f5749081SJiri Pirko static int fl_dump(struct net *net, struct tcf_proto *tp, void *fh, 205812db03b6SVlad Buslov struct sk_buff *skb, struct tcmsg *t, bool rtnl_held) 2059f5749081SJiri Pirko { 2060f5749081SJiri Pirko struct cls_fl_filter *f = fh; 2061f5749081SJiri Pirko struct nlattr *nest; 2062f5749081SJiri Pirko struct fl_flow_key *key, *mask; 2063f5749081SJiri Pirko 2064f5749081SJiri Pirko if (!f) 2065f5749081SJiri Pirko return skb->len; 2066f5749081SJiri Pirko 2067f5749081SJiri Pirko t->tcm_handle = f->handle; 2068f5749081SJiri Pirko 2069f5749081SJiri Pirko nest = nla_nest_start(skb, TCA_OPTIONS); 2070f5749081SJiri Pirko if (!nest) 2071f5749081SJiri Pirko goto nla_put_failure; 2072f5749081SJiri Pirko 2073f5749081SJiri Pirko if (f->res.classid && 2074f5749081SJiri Pirko nla_put_u32(skb, TCA_FLOWER_CLASSID, f->res.classid)) 2075f5749081SJiri Pirko goto nla_put_failure; 2076f5749081SJiri Pirko 2077f5749081SJiri Pirko key = &f->key; 2078f5749081SJiri Pirko mask = &f->mask->key; 2079f5749081SJiri Pirko 2080f5749081SJiri Pirko if (fl_dump_key(skb, net, key, mask)) 2081f5749081SJiri Pirko goto nla_put_failure; 2082f5749081SJiri Pirko 2083f5749081SJiri Pirko if (!tc_skip_hw(f->flags)) 2084f5749081SJiri Pirko fl_hw_update_stats(tp, f); 2085f5749081SJiri Pirko 2086749e6720SOr Gerlitz if (f->flags && nla_put_u32(skb, TCA_FLOWER_FLAGS, f->flags)) 2087749e6720SOr Gerlitz goto nla_put_failure; 2088e69985c6SAmir Vadai 208986c55361SVlad Buslov if (nla_put_u32(skb, TCA_FLOWER_IN_HW_COUNT, f->in_hw_count)) 209086c55361SVlad Buslov goto nla_put_failure; 209186c55361SVlad Buslov 209277b9900eSJiri Pirko if (tcf_exts_dump(skb, &f->exts)) 209377b9900eSJiri Pirko goto nla_put_failure; 209477b9900eSJiri Pirko 209577b9900eSJiri Pirko nla_nest_end(skb, nest); 209677b9900eSJiri Pirko 209777b9900eSJiri Pirko if (tcf_exts_dump_stats(skb, &f->exts) < 0) 209877b9900eSJiri Pirko goto nla_put_failure; 209977b9900eSJiri Pirko 210077b9900eSJiri Pirko return skb->len; 210177b9900eSJiri Pirko 210277b9900eSJiri Pirko nla_put_failure: 210377b9900eSJiri Pirko nla_nest_cancel(skb, nest); 210477b9900eSJiri Pirko return -1; 210577b9900eSJiri Pirko } 210677b9900eSJiri Pirko 2107b95ec7ebSJiri Pirko static int fl_tmplt_dump(struct sk_buff *skb, struct net *net, void *tmplt_priv) 2108b95ec7ebSJiri Pirko { 2109b95ec7ebSJiri Pirko struct fl_flow_tmplt *tmplt = tmplt_priv; 2110b95ec7ebSJiri Pirko struct fl_flow_key *key, *mask; 2111b95ec7ebSJiri Pirko struct nlattr *nest; 2112b95ec7ebSJiri Pirko 2113b95ec7ebSJiri Pirko nest = nla_nest_start(skb, TCA_OPTIONS); 2114b95ec7ebSJiri Pirko if (!nest) 2115b95ec7ebSJiri Pirko goto nla_put_failure; 2116b95ec7ebSJiri Pirko 2117b95ec7ebSJiri Pirko key = &tmplt->dummy_key; 2118b95ec7ebSJiri Pirko mask = &tmplt->mask; 2119b95ec7ebSJiri Pirko 2120b95ec7ebSJiri Pirko if (fl_dump_key(skb, net, key, mask)) 2121b95ec7ebSJiri Pirko goto nla_put_failure; 2122b95ec7ebSJiri Pirko 2123b95ec7ebSJiri Pirko nla_nest_end(skb, nest); 2124b95ec7ebSJiri Pirko 2125b95ec7ebSJiri Pirko return skb->len; 2126b95ec7ebSJiri Pirko 2127b95ec7ebSJiri Pirko nla_put_failure: 2128b95ec7ebSJiri Pirko nla_nest_cancel(skb, nest); 2129b95ec7ebSJiri Pirko return -EMSGSIZE; 2130b95ec7ebSJiri Pirko } 2131b95ec7ebSJiri Pirko 213207d79fc7SCong Wang static void fl_bind_class(void *fh, u32 classid, unsigned long cl) 213307d79fc7SCong Wang { 213407d79fc7SCong Wang struct cls_fl_filter *f = fh; 213507d79fc7SCong Wang 213607d79fc7SCong Wang if (f && f->res.classid == classid) 213707d79fc7SCong Wang f->res.class = cl; 213807d79fc7SCong Wang } 213907d79fc7SCong Wang 214077b9900eSJiri Pirko static struct tcf_proto_ops cls_fl_ops __read_mostly = { 214177b9900eSJiri Pirko .kind = "flower", 214277b9900eSJiri Pirko .classify = fl_classify, 214377b9900eSJiri Pirko .init = fl_init, 214477b9900eSJiri Pirko .destroy = fl_destroy, 214577b9900eSJiri Pirko .get = fl_get, 214677b9900eSJiri Pirko .change = fl_change, 214777b9900eSJiri Pirko .delete = fl_delete, 214877b9900eSJiri Pirko .walk = fl_walk, 214931533cbaSJohn Hurley .reoffload = fl_reoffload, 215077b9900eSJiri Pirko .dump = fl_dump, 215107d79fc7SCong Wang .bind_class = fl_bind_class, 2152b95ec7ebSJiri Pirko .tmplt_create = fl_tmplt_create, 2153b95ec7ebSJiri Pirko .tmplt_destroy = fl_tmplt_destroy, 2154b95ec7ebSJiri Pirko .tmplt_dump = fl_tmplt_dump, 215577b9900eSJiri Pirko .owner = THIS_MODULE, 215677b9900eSJiri Pirko }; 215777b9900eSJiri Pirko 215877b9900eSJiri Pirko static int __init cls_fl_init(void) 215977b9900eSJiri Pirko { 216077b9900eSJiri Pirko return register_tcf_proto_ops(&cls_fl_ops); 216177b9900eSJiri Pirko } 216277b9900eSJiri Pirko 216377b9900eSJiri Pirko static void __exit cls_fl_exit(void) 216477b9900eSJiri Pirko { 216577b9900eSJiri Pirko unregister_tcf_proto_ops(&cls_fl_ops); 216677b9900eSJiri Pirko } 216777b9900eSJiri Pirko 216877b9900eSJiri Pirko module_init(cls_fl_init); 216977b9900eSJiri Pirko module_exit(cls_fl_exit); 217077b9900eSJiri Pirko 217177b9900eSJiri Pirko MODULE_AUTHOR("Jiri Pirko <jiri@resnulli.us>"); 217277b9900eSJiri Pirko MODULE_DESCRIPTION("Flower classifier"); 217377b9900eSJiri Pirko MODULE_LICENSE("GPL v2"); 2174