^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * net/sched/cls_flower.c Flower classifier
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (c) 2015 Jiri Pirko <jiri@resnulli.us>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/rhashtable.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/workqueue.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/refcount.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/if_ether.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/in6.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/ip.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/mpls.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <net/sch_generic.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <net/pkt_cls.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <net/ip.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <net/flow_dissector.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <net/geneve.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include <net/vxlan.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include <net/erspan.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #include <net/dst.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #include <net/dst_metadata.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #include <uapi/linux/netfilter/nf_conntrack_common.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define TCA_FLOWER_KEY_CT_FLAGS_MAX \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) ((__TCA_FLOWER_KEY_CT_FLAGS_MAX - 1) << 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #define TCA_FLOWER_KEY_CT_FLAGS_MASK \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) (TCA_FLOWER_KEY_CT_FLAGS_MAX - 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) struct fl_flow_key {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) struct flow_dissector_key_meta meta;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) struct flow_dissector_key_control control;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) struct flow_dissector_key_control enc_control;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) struct flow_dissector_key_basic basic;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) struct flow_dissector_key_eth_addrs eth;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) struct flow_dissector_key_vlan vlan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) struct flow_dissector_key_vlan cvlan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) union {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) struct flow_dissector_key_ipv4_addrs ipv4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) struct flow_dissector_key_ipv6_addrs ipv6;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) struct flow_dissector_key_ports tp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) struct flow_dissector_key_icmp icmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) struct flow_dissector_key_arp arp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) struct flow_dissector_key_keyid enc_key_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) union {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) struct flow_dissector_key_ipv4_addrs enc_ipv4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) struct flow_dissector_key_ipv6_addrs enc_ipv6;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) struct flow_dissector_key_ports enc_tp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) struct flow_dissector_key_mpls mpls;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) struct flow_dissector_key_tcp tcp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) struct flow_dissector_key_ip ip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) struct flow_dissector_key_ip enc_ip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) struct flow_dissector_key_enc_opts enc_opts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) union {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) struct flow_dissector_key_ports tp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) struct {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) struct flow_dissector_key_ports tp_min;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) struct flow_dissector_key_ports tp_max;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) } tp_range;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) struct flow_dissector_key_ct ct;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) struct flow_dissector_key_hash hash;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) } __aligned(BITS_PER_LONG / 8); /* Ensure that we can do comparisons as longs. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) struct fl_flow_mask_range {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) unsigned short int start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) unsigned short int end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) struct fl_flow_mask {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) struct fl_flow_key key;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) struct fl_flow_mask_range range;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) u32 flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) struct rhash_head ht_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) struct rhashtable ht;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) struct rhashtable_params filter_ht_params;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) struct flow_dissector dissector;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) struct list_head filters;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) struct rcu_work rwork;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) struct list_head list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) refcount_t refcnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) struct fl_flow_tmplt {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) struct fl_flow_key dummy_key;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) struct fl_flow_key mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) struct flow_dissector dissector;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) struct tcf_chain *chain;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) struct cls_fl_head {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) struct rhashtable ht;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) spinlock_t masks_lock; /* Protect masks list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) struct list_head masks;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) struct list_head hw_filters;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) struct rcu_work rwork;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) struct idr handle_idr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) struct cls_fl_filter {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) struct fl_flow_mask *mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) struct rhash_head ht_node;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) struct fl_flow_key mkey;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) struct tcf_exts exts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) struct tcf_result res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) struct fl_flow_key key;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) struct list_head list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) struct list_head hw_list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) u32 handle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) u32 flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) u32 in_hw_count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) struct rcu_work rwork;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) struct net_device *hw_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) /* Flower classifier is unlocked, which means that its reference counter
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) * can be changed concurrently without any kind of external
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) * synchronization. Use atomic reference counter to be concurrency-safe.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) refcount_t refcnt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) bool deleted;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) static const struct rhashtable_params mask_ht_params = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) .key_offset = offsetof(struct fl_flow_mask, key),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) .key_len = sizeof(struct fl_flow_key),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) .head_offset = offsetof(struct fl_flow_mask, ht_node),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) .automatic_shrinking = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) static unsigned short int fl_mask_range(const struct fl_flow_mask *mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) return mask->range.end - mask->range.start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) static void fl_mask_update_range(struct fl_flow_mask *mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) const u8 *bytes = (const u8 *) &mask->key;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) size_t size = sizeof(mask->key);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) size_t i, first = 0, last;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) for (i = 0; i < size; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) if (bytes[i]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) first = i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) last = first;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) for (i = size - 1; i != first; i--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) if (bytes[i]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) last = i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) mask->range.start = rounddown(first, sizeof(long));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) mask->range.end = roundup(last + 1, sizeof(long));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) static void *fl_key_get_start(struct fl_flow_key *key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) const struct fl_flow_mask *mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) return (u8 *) key + mask->range.start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) static void fl_set_masked_key(struct fl_flow_key *mkey, struct fl_flow_key *key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) struct fl_flow_mask *mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) const long *lkey = fl_key_get_start(key, mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) const long *lmask = fl_key_get_start(&mask->key, mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) long *lmkey = fl_key_get_start(mkey, mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) for (i = 0; i < fl_mask_range(mask); i += sizeof(long))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) *lmkey++ = *lkey++ & *lmask++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) static bool fl_mask_fits_tmplt(struct fl_flow_tmplt *tmplt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) struct fl_flow_mask *mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) const long *lmask = fl_key_get_start(&mask->key, mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) const long *ltmplt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) if (!tmplt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) ltmplt = fl_key_get_start(&tmplt->mask, mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) for (i = 0; i < fl_mask_range(mask); i += sizeof(long)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) if (~*ltmplt++ & *lmask++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) static void fl_clear_masked_range(struct fl_flow_key *key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) struct fl_flow_mask *mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) memset(fl_key_get_start(key, mask), 0, fl_mask_range(mask));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) static bool fl_range_port_dst_cmp(struct cls_fl_filter *filter,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) struct fl_flow_key *key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) struct fl_flow_key *mkey)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) u16 min_mask, max_mask, min_val, max_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) min_mask = ntohs(filter->mask->key.tp_range.tp_min.dst);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) max_mask = ntohs(filter->mask->key.tp_range.tp_max.dst);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) min_val = ntohs(filter->key.tp_range.tp_min.dst);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) max_val = ntohs(filter->key.tp_range.tp_max.dst);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) if (min_mask && max_mask) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) if (ntohs(key->tp_range.tp.dst) < min_val ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) ntohs(key->tp_range.tp.dst) > max_val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) /* skb does not have min and max values */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) mkey->tp_range.tp_min.dst = filter->mkey.tp_range.tp_min.dst;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) mkey->tp_range.tp_max.dst = filter->mkey.tp_range.tp_max.dst;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) static bool fl_range_port_src_cmp(struct cls_fl_filter *filter,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) struct fl_flow_key *key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) struct fl_flow_key *mkey)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) u16 min_mask, max_mask, min_val, max_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) min_mask = ntohs(filter->mask->key.tp_range.tp_min.src);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) max_mask = ntohs(filter->mask->key.tp_range.tp_max.src);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) min_val = ntohs(filter->key.tp_range.tp_min.src);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) max_val = ntohs(filter->key.tp_range.tp_max.src);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) if (min_mask && max_mask) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) if (ntohs(key->tp_range.tp.src) < min_val ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) ntohs(key->tp_range.tp.src) > max_val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) /* skb does not have min and max values */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) mkey->tp_range.tp_min.src = filter->mkey.tp_range.tp_min.src;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) mkey->tp_range.tp_max.src = filter->mkey.tp_range.tp_max.src;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) static struct cls_fl_filter *__fl_lookup(struct fl_flow_mask *mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) struct fl_flow_key *mkey)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) return rhashtable_lookup_fast(&mask->ht, fl_key_get_start(mkey, mask),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) mask->filter_ht_params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) static struct cls_fl_filter *fl_lookup_range(struct fl_flow_mask *mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) struct fl_flow_key *mkey,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) struct fl_flow_key *key)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) struct cls_fl_filter *filter, *f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) list_for_each_entry_rcu(filter, &mask->filters, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) if (!fl_range_port_dst_cmp(filter, key, mkey))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) if (!fl_range_port_src_cmp(filter, key, mkey))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) f = __fl_lookup(mask, mkey);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) if (f)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) return f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) static noinline_for_stack
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) struct cls_fl_filter *fl_mask_lookup(struct fl_flow_mask *mask, struct fl_flow_key *key)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) struct fl_flow_key mkey;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) fl_set_masked_key(&mkey, key, mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) if ((mask->flags & TCA_FLOWER_MASK_FLAGS_RANGE))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) return fl_lookup_range(mask, &mkey, key);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) return __fl_lookup(mask, &mkey);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) static u16 fl_ct_info_to_flower_map[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) [IP_CT_ESTABLISHED] = TCA_FLOWER_KEY_CT_FLAGS_TRACKED |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) TCA_FLOWER_KEY_CT_FLAGS_ESTABLISHED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) [IP_CT_RELATED] = TCA_FLOWER_KEY_CT_FLAGS_TRACKED |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) TCA_FLOWER_KEY_CT_FLAGS_RELATED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) [IP_CT_ESTABLISHED_REPLY] = TCA_FLOWER_KEY_CT_FLAGS_TRACKED |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) TCA_FLOWER_KEY_CT_FLAGS_ESTABLISHED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) [IP_CT_RELATED_REPLY] = TCA_FLOWER_KEY_CT_FLAGS_TRACKED |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) TCA_FLOWER_KEY_CT_FLAGS_RELATED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) [IP_CT_NEW] = TCA_FLOWER_KEY_CT_FLAGS_TRACKED |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) TCA_FLOWER_KEY_CT_FLAGS_NEW,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) static int fl_classify(struct sk_buff *skb, const struct tcf_proto *tp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) struct tcf_result *res)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) struct cls_fl_head *head = rcu_dereference_bh(tp->root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) struct fl_flow_key skb_key;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) struct fl_flow_mask *mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) struct cls_fl_filter *f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) list_for_each_entry_rcu(mask, &head->masks, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) flow_dissector_init_keys(&skb_key.control, &skb_key.basic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) fl_clear_masked_range(&skb_key, mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) skb_flow_dissect_meta(skb, &mask->dissector, &skb_key);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) /* skb_flow_dissect() does not set n_proto in case an unknown
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) * protocol, so do it rather here.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) skb_key.basic.n_proto = skb_protocol(skb, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) skb_flow_dissect_tunnel_info(skb, &mask->dissector, &skb_key);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) skb_flow_dissect_ct(skb, &mask->dissector, &skb_key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) fl_ct_info_to_flower_map,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) ARRAY_SIZE(fl_ct_info_to_flower_map));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) skb_flow_dissect_hash(skb, &mask->dissector, &skb_key);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) skb_flow_dissect(skb, &mask->dissector, &skb_key, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) f = fl_mask_lookup(mask, &skb_key);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) if (f && !tc_skip_sw(f->flags)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) *res = f->res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) return tcf_exts_exec(skb, &f->exts, res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) static int fl_init(struct tcf_proto *tp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) struct cls_fl_head *head;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) head = kzalloc(sizeof(*head), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) if (!head)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) return -ENOBUFS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) spin_lock_init(&head->masks_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) INIT_LIST_HEAD_RCU(&head->masks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) INIT_LIST_HEAD(&head->hw_filters);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) rcu_assign_pointer(tp->root, head);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) idr_init(&head->handle_idr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) return rhashtable_init(&head->ht, &mask_ht_params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) static void fl_mask_free(struct fl_flow_mask *mask, bool mask_init_done)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) /* temporary masks don't have their filters list and ht initialized */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) if (mask_init_done) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) WARN_ON(!list_empty(&mask->filters));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) rhashtable_destroy(&mask->ht);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) kfree(mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) static void fl_mask_free_work(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) struct fl_flow_mask *mask = container_of(to_rcu_work(work),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) struct fl_flow_mask, rwork);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) fl_mask_free(mask, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) static void fl_uninit_mask_free_work(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) struct fl_flow_mask *mask = container_of(to_rcu_work(work),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) struct fl_flow_mask, rwork);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) fl_mask_free(mask, false);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) static bool fl_mask_put(struct cls_fl_head *head, struct fl_flow_mask *mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) if (!refcount_dec_and_test(&mask->refcnt))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) rhashtable_remove_fast(&head->ht, &mask->ht_node, mask_ht_params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) spin_lock(&head->masks_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) list_del_rcu(&mask->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) spin_unlock(&head->masks_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) tcf_queue_work(&mask->rwork, fl_mask_free_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) static struct cls_fl_head *fl_head_dereference(struct tcf_proto *tp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) /* Flower classifier only changes root pointer during init and destroy.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) * Users must obtain reference to tcf_proto instance before calling its
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) * API, so tp->root pointer is protected from concurrent call to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) * fl_destroy() by reference counting.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) return rcu_dereference_raw(tp->root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) static void __fl_destroy_filter(struct cls_fl_filter *f)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) tcf_exts_destroy(&f->exts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) tcf_exts_put_net(&f->exts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) kfree(f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) static void fl_destroy_filter_work(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) struct cls_fl_filter *f = container_of(to_rcu_work(work),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) struct cls_fl_filter, rwork);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) __fl_destroy_filter(f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) static void fl_hw_destroy_filter(struct tcf_proto *tp, struct cls_fl_filter *f,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) bool rtnl_held, struct netlink_ext_ack *extack)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) struct tcf_block *block = tp->chain->block;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) struct flow_cls_offload cls_flower = {};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) tc_cls_common_offload_init(&cls_flower.common, tp, f->flags, extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) cls_flower.command = FLOW_CLS_DESTROY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) cls_flower.cookie = (unsigned long) f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) tc_setup_cb_destroy(block, tp, TC_SETUP_CLSFLOWER, &cls_flower, false,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) &f->flags, &f->in_hw_count, rtnl_held);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) static int fl_hw_replace_filter(struct tcf_proto *tp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) struct cls_fl_filter *f, bool rtnl_held,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) struct netlink_ext_ack *extack)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) struct tcf_block *block = tp->chain->block;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) struct flow_cls_offload cls_flower = {};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) bool skip_sw = tc_skip_sw(f->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) int err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) cls_flower.rule = flow_rule_alloc(tcf_exts_num_actions(&f->exts));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) if (!cls_flower.rule)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) tc_cls_common_offload_init(&cls_flower.common, tp, f->flags, extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) cls_flower.command = FLOW_CLS_REPLACE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) cls_flower.cookie = (unsigned long) f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) cls_flower.rule->match.dissector = &f->mask->dissector;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) cls_flower.rule->match.mask = &f->mask->key;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) cls_flower.rule->match.key = &f->mkey;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) cls_flower.classid = f->res.classid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) err = tc_setup_flow_action(&cls_flower.rule->action, &f->exts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) kfree(cls_flower.rule);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) if (skip_sw) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) NL_SET_ERR_MSG_MOD(extack, "Failed to setup flow action");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) err = tc_setup_cb_add(block, tp, TC_SETUP_CLSFLOWER, &cls_flower,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) skip_sw, &f->flags, &f->in_hw_count, rtnl_held);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) tc_cleanup_flow_action(&cls_flower.rule->action);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) kfree(cls_flower.rule);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) fl_hw_destroy_filter(tp, f, rtnl_held, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) if (skip_sw && !(f->flags & TCA_CLS_FLAGS_IN_HW))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) static void fl_hw_update_stats(struct tcf_proto *tp, struct cls_fl_filter *f,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) bool rtnl_held)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) struct tcf_block *block = tp->chain->block;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) struct flow_cls_offload cls_flower = {};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) tc_cls_common_offload_init(&cls_flower.common, tp, f->flags, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) cls_flower.command = FLOW_CLS_STATS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) cls_flower.cookie = (unsigned long) f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) cls_flower.classid = f->res.classid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) tc_setup_cb_call(block, TC_SETUP_CLSFLOWER, &cls_flower, false,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) rtnl_held);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) tcf_exts_stats_update(&f->exts, cls_flower.stats.bytes,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) cls_flower.stats.pkts,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) cls_flower.stats.drops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) cls_flower.stats.lastused,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) cls_flower.stats.used_hw_stats,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) cls_flower.stats.used_hw_stats_valid);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) static void __fl_put(struct cls_fl_filter *f)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) if (!refcount_dec_and_test(&f->refcnt))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) if (tcf_exts_get_net(&f->exts))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) tcf_queue_work(&f->rwork, fl_destroy_filter_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) __fl_destroy_filter(f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) static struct cls_fl_filter *__fl_get(struct cls_fl_head *head, u32 handle)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) struct cls_fl_filter *f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) rcu_read_lock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) f = idr_find(&head->handle_idr, handle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) if (f && !refcount_inc_not_zero(&f->refcnt))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) f = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) rcu_read_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) return f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) static int __fl_delete(struct tcf_proto *tp, struct cls_fl_filter *f,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) bool *last, bool rtnl_held,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) struct netlink_ext_ack *extack)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) struct cls_fl_head *head = fl_head_dereference(tp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) *last = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) spin_lock(&tp->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) if (f->deleted) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) spin_unlock(&tp->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) return -ENOENT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) f->deleted = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) rhashtable_remove_fast(&f->mask->ht, &f->ht_node,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) f->mask->filter_ht_params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) idr_remove(&head->handle_idr, f->handle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) list_del_rcu(&f->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) spin_unlock(&tp->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) *last = fl_mask_put(head, f->mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) if (!tc_skip_hw(f->flags))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) fl_hw_destroy_filter(tp, f, rtnl_held, extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) tcf_unbind_filter(tp, &f->res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) __fl_put(f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) static void fl_destroy_sleepable(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) struct cls_fl_head *head = container_of(to_rcu_work(work),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) struct cls_fl_head,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) rwork);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) rhashtable_destroy(&head->ht);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) kfree(head);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) module_put(THIS_MODULE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) static void fl_destroy(struct tcf_proto *tp, bool rtnl_held,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573) struct netlink_ext_ack *extack)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) struct cls_fl_head *head = fl_head_dereference(tp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) struct fl_flow_mask *mask, *next_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) struct cls_fl_filter *f, *next;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) bool last;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) list_for_each_entry_safe(mask, next_mask, &head->masks, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) list_for_each_entry_safe(f, next, &mask->filters, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) __fl_delete(tp, f, &last, rtnl_held, extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) if (last)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) idr_destroy(&head->handle_idr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) __module_get(THIS_MODULE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) tcf_queue_work(&head->rwork, fl_destroy_sleepable);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) static void fl_put(struct tcf_proto *tp, void *arg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) struct cls_fl_filter *f = arg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) __fl_put(f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) static void *fl_get(struct tcf_proto *tp, u32 handle)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) struct cls_fl_head *head = fl_head_dereference(tp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) return __fl_get(head, handle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) static const struct nla_policy fl_policy[TCA_FLOWER_MAX + 1] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) [TCA_FLOWER_UNSPEC] = { .type = NLA_UNSPEC },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) [TCA_FLOWER_CLASSID] = { .type = NLA_U32 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) [TCA_FLOWER_INDEV] = { .type = NLA_STRING,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) .len = IFNAMSIZ },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) [TCA_FLOWER_KEY_ETH_DST] = { .len = ETH_ALEN },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) [TCA_FLOWER_KEY_ETH_DST_MASK] = { .len = ETH_ALEN },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) [TCA_FLOWER_KEY_ETH_SRC] = { .len = ETH_ALEN },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) [TCA_FLOWER_KEY_ETH_SRC_MASK] = { .len = ETH_ALEN },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) [TCA_FLOWER_KEY_ETH_TYPE] = { .type = NLA_U16 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) [TCA_FLOWER_KEY_IP_PROTO] = { .type = NLA_U8 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) [TCA_FLOWER_KEY_IPV4_SRC] = { .type = NLA_U32 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) [TCA_FLOWER_KEY_IPV4_SRC_MASK] = { .type = NLA_U32 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) [TCA_FLOWER_KEY_IPV4_DST] = { .type = NLA_U32 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) [TCA_FLOWER_KEY_IPV4_DST_MASK] = { .type = NLA_U32 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) [TCA_FLOWER_KEY_IPV6_SRC] = { .len = sizeof(struct in6_addr) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) [TCA_FLOWER_KEY_IPV6_SRC_MASK] = { .len = sizeof(struct in6_addr) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) [TCA_FLOWER_KEY_IPV6_DST] = { .len = sizeof(struct in6_addr) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) [TCA_FLOWER_KEY_IPV6_DST_MASK] = { .len = sizeof(struct in6_addr) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) [TCA_FLOWER_KEY_TCP_SRC] = { .type = NLA_U16 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) [TCA_FLOWER_KEY_TCP_DST] = { .type = NLA_U16 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) [TCA_FLOWER_KEY_UDP_SRC] = { .type = NLA_U16 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) [TCA_FLOWER_KEY_UDP_DST] = { .type = NLA_U16 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) [TCA_FLOWER_KEY_VLAN_ID] = { .type = NLA_U16 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) [TCA_FLOWER_KEY_VLAN_PRIO] = { .type = NLA_U8 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) [TCA_FLOWER_KEY_VLAN_ETH_TYPE] = { .type = NLA_U16 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) [TCA_FLOWER_KEY_ENC_KEY_ID] = { .type = NLA_U32 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) [TCA_FLOWER_KEY_ENC_IPV4_SRC] = { .type = NLA_U32 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) [TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK] = { .type = NLA_U32 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) [TCA_FLOWER_KEY_ENC_IPV4_DST] = { .type = NLA_U32 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) [TCA_FLOWER_KEY_ENC_IPV4_DST_MASK] = { .type = NLA_U32 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) [TCA_FLOWER_KEY_ENC_IPV6_SRC] = { .len = sizeof(struct in6_addr) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) [TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK] = { .len = sizeof(struct in6_addr) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) [TCA_FLOWER_KEY_ENC_IPV6_DST] = { .len = sizeof(struct in6_addr) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) [TCA_FLOWER_KEY_ENC_IPV6_DST_MASK] = { .len = sizeof(struct in6_addr) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) [TCA_FLOWER_KEY_TCP_SRC_MASK] = { .type = NLA_U16 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) [TCA_FLOWER_KEY_TCP_DST_MASK] = { .type = NLA_U16 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) [TCA_FLOWER_KEY_UDP_SRC_MASK] = { .type = NLA_U16 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) [TCA_FLOWER_KEY_UDP_DST_MASK] = { .type = NLA_U16 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) [TCA_FLOWER_KEY_SCTP_SRC_MASK] = { .type = NLA_U16 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) [TCA_FLOWER_KEY_SCTP_DST_MASK] = { .type = NLA_U16 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) [TCA_FLOWER_KEY_SCTP_SRC] = { .type = NLA_U16 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) [TCA_FLOWER_KEY_SCTP_DST] = { .type = NLA_U16 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) [TCA_FLOWER_KEY_ENC_UDP_SRC_PORT] = { .type = NLA_U16 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) [TCA_FLOWER_KEY_ENC_UDP_SRC_PORT_MASK] = { .type = NLA_U16 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) [TCA_FLOWER_KEY_ENC_UDP_DST_PORT] = { .type = NLA_U16 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) [TCA_FLOWER_KEY_ENC_UDP_DST_PORT_MASK] = { .type = NLA_U16 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) [TCA_FLOWER_KEY_FLAGS] = { .type = NLA_U32 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) [TCA_FLOWER_KEY_FLAGS_MASK] = { .type = NLA_U32 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) [TCA_FLOWER_KEY_ICMPV4_TYPE] = { .type = NLA_U8 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) [TCA_FLOWER_KEY_ICMPV4_TYPE_MASK] = { .type = NLA_U8 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) [TCA_FLOWER_KEY_ICMPV4_CODE] = { .type = NLA_U8 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) [TCA_FLOWER_KEY_ICMPV4_CODE_MASK] = { .type = NLA_U8 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) [TCA_FLOWER_KEY_ICMPV6_TYPE] = { .type = NLA_U8 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) [TCA_FLOWER_KEY_ICMPV6_TYPE_MASK] = { .type = NLA_U8 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) [TCA_FLOWER_KEY_ICMPV6_CODE] = { .type = NLA_U8 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) [TCA_FLOWER_KEY_ICMPV6_CODE_MASK] = { .type = NLA_U8 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) [TCA_FLOWER_KEY_ARP_SIP] = { .type = NLA_U32 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) [TCA_FLOWER_KEY_ARP_SIP_MASK] = { .type = NLA_U32 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) [TCA_FLOWER_KEY_ARP_TIP] = { .type = NLA_U32 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) [TCA_FLOWER_KEY_ARP_TIP_MASK] = { .type = NLA_U32 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) [TCA_FLOWER_KEY_ARP_OP] = { .type = NLA_U8 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) [TCA_FLOWER_KEY_ARP_OP_MASK] = { .type = NLA_U8 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) [TCA_FLOWER_KEY_ARP_SHA] = { .len = ETH_ALEN },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) [TCA_FLOWER_KEY_ARP_SHA_MASK] = { .len = ETH_ALEN },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) [TCA_FLOWER_KEY_ARP_THA] = { .len = ETH_ALEN },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) [TCA_FLOWER_KEY_ARP_THA_MASK] = { .len = ETH_ALEN },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) [TCA_FLOWER_KEY_MPLS_TTL] = { .type = NLA_U8 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) [TCA_FLOWER_KEY_MPLS_BOS] = { .type = NLA_U8 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) [TCA_FLOWER_KEY_MPLS_TC] = { .type = NLA_U8 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) [TCA_FLOWER_KEY_MPLS_LABEL] = { .type = NLA_U32 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) [TCA_FLOWER_KEY_MPLS_OPTS] = { .type = NLA_NESTED },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) [TCA_FLOWER_KEY_TCP_FLAGS] = { .type = NLA_U16 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) [TCA_FLOWER_KEY_TCP_FLAGS_MASK] = { .type = NLA_U16 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) [TCA_FLOWER_KEY_IP_TOS] = { .type = NLA_U8 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) [TCA_FLOWER_KEY_IP_TOS_MASK] = { .type = NLA_U8 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) [TCA_FLOWER_KEY_IP_TTL] = { .type = NLA_U8 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) [TCA_FLOWER_KEY_IP_TTL_MASK] = { .type = NLA_U8 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) [TCA_FLOWER_KEY_CVLAN_ID] = { .type = NLA_U16 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) [TCA_FLOWER_KEY_CVLAN_PRIO] = { .type = NLA_U8 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) [TCA_FLOWER_KEY_CVLAN_ETH_TYPE] = { .type = NLA_U16 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) [TCA_FLOWER_KEY_ENC_IP_TOS] = { .type = NLA_U8 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) [TCA_FLOWER_KEY_ENC_IP_TOS_MASK] = { .type = NLA_U8 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) [TCA_FLOWER_KEY_ENC_IP_TTL] = { .type = NLA_U8 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) [TCA_FLOWER_KEY_ENC_IP_TTL_MASK] = { .type = NLA_U8 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692) [TCA_FLOWER_KEY_ENC_OPTS] = { .type = NLA_NESTED },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) [TCA_FLOWER_KEY_ENC_OPTS_MASK] = { .type = NLA_NESTED },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) [TCA_FLOWER_KEY_CT_STATE] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) NLA_POLICY_MASK(NLA_U16, TCA_FLOWER_KEY_CT_FLAGS_MASK),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) [TCA_FLOWER_KEY_CT_STATE_MASK] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) NLA_POLICY_MASK(NLA_U16, TCA_FLOWER_KEY_CT_FLAGS_MASK),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) [TCA_FLOWER_KEY_CT_ZONE] = { .type = NLA_U16 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) [TCA_FLOWER_KEY_CT_ZONE_MASK] = { .type = NLA_U16 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) [TCA_FLOWER_KEY_CT_MARK] = { .type = NLA_U32 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) [TCA_FLOWER_KEY_CT_MARK_MASK] = { .type = NLA_U32 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) [TCA_FLOWER_KEY_CT_LABELS] = { .type = NLA_BINARY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) .len = 128 / BITS_PER_BYTE },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) [TCA_FLOWER_KEY_CT_LABELS_MASK] = { .type = NLA_BINARY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) .len = 128 / BITS_PER_BYTE },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) [TCA_FLOWER_FLAGS] = { .type = NLA_U32 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) [TCA_FLOWER_KEY_HASH] = { .type = NLA_U32 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) [TCA_FLOWER_KEY_HASH_MASK] = { .type = NLA_U32 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) static const struct nla_policy
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) enc_opts_policy[TCA_FLOWER_KEY_ENC_OPTS_MAX + 1] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) [TCA_FLOWER_KEY_ENC_OPTS_UNSPEC] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) .strict_start_type = TCA_FLOWER_KEY_ENC_OPTS_VXLAN },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) [TCA_FLOWER_KEY_ENC_OPTS_GENEVE] = { .type = NLA_NESTED },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) [TCA_FLOWER_KEY_ENC_OPTS_VXLAN] = { .type = NLA_NESTED },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) [TCA_FLOWER_KEY_ENC_OPTS_ERSPAN] = { .type = NLA_NESTED },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) static const struct nla_policy
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722) geneve_opt_policy[TCA_FLOWER_KEY_ENC_OPT_GENEVE_MAX + 1] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) [TCA_FLOWER_KEY_ENC_OPT_GENEVE_CLASS] = { .type = NLA_U16 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) [TCA_FLOWER_KEY_ENC_OPT_GENEVE_TYPE] = { .type = NLA_U8 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) [TCA_FLOWER_KEY_ENC_OPT_GENEVE_DATA] = { .type = NLA_BINARY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) .len = 128 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) static const struct nla_policy
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) vxlan_opt_policy[TCA_FLOWER_KEY_ENC_OPT_VXLAN_MAX + 1] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) [TCA_FLOWER_KEY_ENC_OPT_VXLAN_GBP] = { .type = NLA_U32 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734) static const struct nla_policy
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) erspan_opt_policy[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_MAX + 1] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736) [TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER] = { .type = NLA_U8 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) [TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX] = { .type = NLA_U32 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) [TCA_FLOWER_KEY_ENC_OPT_ERSPAN_DIR] = { .type = NLA_U8 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) [TCA_FLOWER_KEY_ENC_OPT_ERSPAN_HWID] = { .type = NLA_U8 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) static const struct nla_policy
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) mpls_stack_entry_policy[TCA_FLOWER_KEY_MPLS_OPT_LSE_MAX + 1] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) [TCA_FLOWER_KEY_MPLS_OPT_LSE_DEPTH] = { .type = NLA_U8 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745) [TCA_FLOWER_KEY_MPLS_OPT_LSE_TTL] = { .type = NLA_U8 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) [TCA_FLOWER_KEY_MPLS_OPT_LSE_BOS] = { .type = NLA_U8 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) [TCA_FLOWER_KEY_MPLS_OPT_LSE_TC] = { .type = NLA_U8 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) [TCA_FLOWER_KEY_MPLS_OPT_LSE_LABEL] = { .type = NLA_U32 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751) static void fl_set_key_val(struct nlattr **tb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) void *val, int val_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) void *mask, int mask_type, int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) if (!tb[val_type])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) nla_memcpy(val, tb[val_type], len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) if (mask_type == TCA_FLOWER_UNSPEC || !tb[mask_type])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) memset(mask, 0xff, len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) nla_memcpy(mask, tb[mask_type], len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) static int fl_set_key_port_range(struct nlattr **tb, struct fl_flow_key *key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) struct fl_flow_key *mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) struct netlink_ext_ack *extack)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) fl_set_key_val(tb, &key->tp_range.tp_min.dst,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) TCA_FLOWER_KEY_PORT_DST_MIN, &mask->tp_range.tp_min.dst,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) TCA_FLOWER_UNSPEC, sizeof(key->tp_range.tp_min.dst));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) fl_set_key_val(tb, &key->tp_range.tp_max.dst,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772) TCA_FLOWER_KEY_PORT_DST_MAX, &mask->tp_range.tp_max.dst,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) TCA_FLOWER_UNSPEC, sizeof(key->tp_range.tp_max.dst));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774) fl_set_key_val(tb, &key->tp_range.tp_min.src,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) TCA_FLOWER_KEY_PORT_SRC_MIN, &mask->tp_range.tp_min.src,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776) TCA_FLOWER_UNSPEC, sizeof(key->tp_range.tp_min.src));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) fl_set_key_val(tb, &key->tp_range.tp_max.src,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) TCA_FLOWER_KEY_PORT_SRC_MAX, &mask->tp_range.tp_max.src,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) TCA_FLOWER_UNSPEC, sizeof(key->tp_range.tp_max.src));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781) if (mask->tp_range.tp_min.dst && mask->tp_range.tp_max.dst &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) ntohs(key->tp_range.tp_max.dst) <=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) ntohs(key->tp_range.tp_min.dst)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) NL_SET_ERR_MSG_ATTR(extack,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) tb[TCA_FLOWER_KEY_PORT_DST_MIN],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786) "Invalid destination port range (min must be strictly smaller than max)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789) if (mask->tp_range.tp_min.src && mask->tp_range.tp_max.src &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) ntohs(key->tp_range.tp_max.src) <=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) ntohs(key->tp_range.tp_min.src)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792) NL_SET_ERR_MSG_ATTR(extack,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) tb[TCA_FLOWER_KEY_PORT_SRC_MIN],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) "Invalid source port range (min must be strictly smaller than max)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 801) static int fl_set_key_mpls_lse(const struct nlattr *nla_lse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 802) struct flow_dissector_key_mpls *key_val,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 803) struct flow_dissector_key_mpls *key_mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) struct netlink_ext_ack *extack)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) struct nlattr *tb[TCA_FLOWER_KEY_MPLS_OPT_LSE_MAX + 1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) struct flow_dissector_mpls_lse *lse_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) struct flow_dissector_mpls_lse *lse_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) u8 lse_index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810) u8 depth;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) err = nla_parse_nested(tb, TCA_FLOWER_KEY_MPLS_OPT_LSE_MAX, nla_lse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) mpls_stack_entry_policy, extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815) if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) if (!tb[TCA_FLOWER_KEY_MPLS_OPT_LSE_DEPTH]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819) NL_SET_ERR_MSG(extack, "Missing MPLS option \"depth\"");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) depth = nla_get_u8(tb[TCA_FLOWER_KEY_MPLS_OPT_LSE_DEPTH]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) /* LSE depth starts at 1, for consistency with terminology used by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826) * RFC 3031 (section 3.9), where depth 0 refers to unlabeled packets.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828) if (depth < 1 || depth > FLOW_DIS_MPLS_MAX) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) NL_SET_ERR_MSG_ATTR(extack,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830) tb[TCA_FLOWER_KEY_MPLS_OPT_LSE_DEPTH],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) "Invalid MPLS depth");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834) lse_index = depth - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836) dissector_set_mpls_lse(key_val, lse_index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837) dissector_set_mpls_lse(key_mask, lse_index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) lse_val = &key_val->ls[lse_index];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840) lse_mask = &key_mask->ls[lse_index];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842) if (tb[TCA_FLOWER_KEY_MPLS_OPT_LSE_TTL]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843) lse_val->mpls_ttl = nla_get_u8(tb[TCA_FLOWER_KEY_MPLS_OPT_LSE_TTL]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844) lse_mask->mpls_ttl = MPLS_TTL_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846) if (tb[TCA_FLOWER_KEY_MPLS_OPT_LSE_BOS]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) u8 bos = nla_get_u8(tb[TCA_FLOWER_KEY_MPLS_OPT_LSE_BOS]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849) if (bos & ~MPLS_BOS_MASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850) NL_SET_ERR_MSG_ATTR(extack,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851) tb[TCA_FLOWER_KEY_MPLS_OPT_LSE_BOS],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852) "Bottom Of Stack (BOS) must be 0 or 1");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855) lse_val->mpls_bos = bos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856) lse_mask->mpls_bos = MPLS_BOS_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858) if (tb[TCA_FLOWER_KEY_MPLS_OPT_LSE_TC]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859) u8 tc = nla_get_u8(tb[TCA_FLOWER_KEY_MPLS_OPT_LSE_TC]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861) if (tc & ~MPLS_TC_MASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862) NL_SET_ERR_MSG_ATTR(extack,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863) tb[TCA_FLOWER_KEY_MPLS_OPT_LSE_TC],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864) "Traffic Class (TC) must be between 0 and 7");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867) lse_val->mpls_tc = tc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868) lse_mask->mpls_tc = MPLS_TC_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870) if (tb[TCA_FLOWER_KEY_MPLS_OPT_LSE_LABEL]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871) u32 label = nla_get_u32(tb[TCA_FLOWER_KEY_MPLS_OPT_LSE_LABEL]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873) if (label & ~MPLS_LABEL_MASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874) NL_SET_ERR_MSG_ATTR(extack,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875) tb[TCA_FLOWER_KEY_MPLS_OPT_LSE_LABEL],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876) "Label must be between 0 and 1048575");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879) lse_val->mpls_label = label;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880) lse_mask->mpls_label = MPLS_LABEL_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886) static int fl_set_key_mpls_opts(const struct nlattr *nla_mpls_opts,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 887) struct flow_dissector_key_mpls *key_val,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 888) struct flow_dissector_key_mpls *key_mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 889) struct netlink_ext_ack *extack)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 890) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 891) struct nlattr *nla_lse;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 892) int rem;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 893) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 894)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 895) if (!(nla_mpls_opts->nla_type & NLA_F_NESTED)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 896) NL_SET_ERR_MSG_ATTR(extack, nla_mpls_opts,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 897) "NLA_F_NESTED is missing");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 898) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 899) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 900)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 901) nla_for_each_nested(nla_lse, nla_mpls_opts, rem) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 902) if (nla_type(nla_lse) != TCA_FLOWER_KEY_MPLS_OPTS_LSE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 903) NL_SET_ERR_MSG_ATTR(extack, nla_lse,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 904) "Invalid MPLS option type");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 905) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 906) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 907)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 908) err = fl_set_key_mpls_lse(nla_lse, key_val, key_mask, extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 909) if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 910) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 911) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 912) if (rem) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 913) NL_SET_ERR_MSG(extack,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 914) "Bytes leftover after parsing MPLS options");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 915) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 916) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 917)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 918) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 919) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 920)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 921) static int fl_set_key_mpls(struct nlattr **tb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 922) struct flow_dissector_key_mpls *key_val,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 923) struct flow_dissector_key_mpls *key_mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 924) struct netlink_ext_ack *extack)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 925) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 926) struct flow_dissector_mpls_lse *lse_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 927) struct flow_dissector_mpls_lse *lse_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 928)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 929) if (tb[TCA_FLOWER_KEY_MPLS_OPTS]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 930) if (tb[TCA_FLOWER_KEY_MPLS_TTL] ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 931) tb[TCA_FLOWER_KEY_MPLS_BOS] ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 932) tb[TCA_FLOWER_KEY_MPLS_TC] ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 933) tb[TCA_FLOWER_KEY_MPLS_LABEL]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 934) NL_SET_ERR_MSG_ATTR(extack,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 935) tb[TCA_FLOWER_KEY_MPLS_OPTS],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 936) "MPLS label, Traffic Class, Bottom Of Stack and Time To Live must be encapsulated in the MPLS options attribute");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 937) return -EBADMSG;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 938) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 939)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 940) return fl_set_key_mpls_opts(tb[TCA_FLOWER_KEY_MPLS_OPTS],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 941) key_val, key_mask, extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 942) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 943)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 944) lse_val = &key_val->ls[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 945) lse_mask = &key_mask->ls[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 946)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 947) if (tb[TCA_FLOWER_KEY_MPLS_TTL]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 948) lse_val->mpls_ttl = nla_get_u8(tb[TCA_FLOWER_KEY_MPLS_TTL]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 949) lse_mask->mpls_ttl = MPLS_TTL_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 950) dissector_set_mpls_lse(key_val, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 951) dissector_set_mpls_lse(key_mask, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 952) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 953) if (tb[TCA_FLOWER_KEY_MPLS_BOS]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 954) u8 bos = nla_get_u8(tb[TCA_FLOWER_KEY_MPLS_BOS]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 955)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 956) if (bos & ~MPLS_BOS_MASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 957) NL_SET_ERR_MSG_ATTR(extack,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 958) tb[TCA_FLOWER_KEY_MPLS_BOS],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 959) "Bottom Of Stack (BOS) must be 0 or 1");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 960) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 961) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 962) lse_val->mpls_bos = bos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 963) lse_mask->mpls_bos = MPLS_BOS_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 964) dissector_set_mpls_lse(key_val, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 965) dissector_set_mpls_lse(key_mask, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 966) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 967) if (tb[TCA_FLOWER_KEY_MPLS_TC]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 968) u8 tc = nla_get_u8(tb[TCA_FLOWER_KEY_MPLS_TC]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 969)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 970) if (tc & ~MPLS_TC_MASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 971) NL_SET_ERR_MSG_ATTR(extack,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 972) tb[TCA_FLOWER_KEY_MPLS_TC],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 973) "Traffic Class (TC) must be between 0 and 7");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 974) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 975) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 976) lse_val->mpls_tc = tc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 977) lse_mask->mpls_tc = MPLS_TC_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 978) dissector_set_mpls_lse(key_val, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 979) dissector_set_mpls_lse(key_mask, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 980) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 981) if (tb[TCA_FLOWER_KEY_MPLS_LABEL]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 982) u32 label = nla_get_u32(tb[TCA_FLOWER_KEY_MPLS_LABEL]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 983)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 984) if (label & ~MPLS_LABEL_MASK) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 985) NL_SET_ERR_MSG_ATTR(extack,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 986) tb[TCA_FLOWER_KEY_MPLS_LABEL],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 987) "Label must be between 0 and 1048575");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 988) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 989) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 990) lse_val->mpls_label = label;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 991) lse_mask->mpls_label = MPLS_LABEL_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 992) dissector_set_mpls_lse(key_val, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 993) dissector_set_mpls_lse(key_mask, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 994) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 995) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 996) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 997)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 998) static void fl_set_key_vlan(struct nlattr **tb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 999) __be16 ethertype,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) int vlan_id_key, int vlan_prio_key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001) struct flow_dissector_key_vlan *key_val,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) struct flow_dissector_key_vlan *key_mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) #define VLAN_PRIORITY_MASK 0x7
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006) if (tb[vlan_id_key]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007) key_val->vlan_id =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008) nla_get_u16(tb[vlan_id_key]) & VLAN_VID_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009) key_mask->vlan_id = VLAN_VID_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011) if (tb[vlan_prio_key]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012) key_val->vlan_priority =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013) nla_get_u8(tb[vlan_prio_key]) &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014) VLAN_PRIORITY_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) key_mask->vlan_priority = VLAN_PRIORITY_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017) key_val->vlan_tpid = ethertype;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018) key_mask->vlan_tpid = cpu_to_be16(~0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021) static void fl_set_key_flag(u32 flower_key, u32 flower_mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022) u32 *dissector_key, u32 *dissector_mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) u32 flower_flag_bit, u32 dissector_flag_bit)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025) if (flower_mask & flower_flag_bit) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) *dissector_mask |= dissector_flag_bit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027) if (flower_key & flower_flag_bit)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028) *dissector_key |= dissector_flag_bit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032) static int fl_set_key_flags(struct nlattr **tb, u32 *flags_key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033) u32 *flags_mask, struct netlink_ext_ack *extack)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035) u32 key, mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037) /* mask is mandatory for flags */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038) if (!tb[TCA_FLOWER_KEY_FLAGS_MASK]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039) NL_SET_ERR_MSG(extack, "Missing flags mask");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043) key = be32_to_cpu(nla_get_u32(tb[TCA_FLOWER_KEY_FLAGS]));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044) mask = be32_to_cpu(nla_get_u32(tb[TCA_FLOWER_KEY_FLAGS_MASK]));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046) *flags_key = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047) *flags_mask = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049) fl_set_key_flag(key, mask, flags_key, flags_mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050) TCA_FLOWER_KEY_FLAGS_IS_FRAGMENT, FLOW_DIS_IS_FRAGMENT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) fl_set_key_flag(key, mask, flags_key, flags_mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052) TCA_FLOWER_KEY_FLAGS_FRAG_IS_FIRST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053) FLOW_DIS_FIRST_FRAG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058) static void fl_set_key_ip(struct nlattr **tb, bool encap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059) struct flow_dissector_key_ip *key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060) struct flow_dissector_key_ip *mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062) int tos_key = encap ? TCA_FLOWER_KEY_ENC_IP_TOS : TCA_FLOWER_KEY_IP_TOS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063) int ttl_key = encap ? TCA_FLOWER_KEY_ENC_IP_TTL : TCA_FLOWER_KEY_IP_TTL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064) int tos_mask = encap ? TCA_FLOWER_KEY_ENC_IP_TOS_MASK : TCA_FLOWER_KEY_IP_TOS_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065) int ttl_mask = encap ? TCA_FLOWER_KEY_ENC_IP_TTL_MASK : TCA_FLOWER_KEY_IP_TTL_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067) fl_set_key_val(tb, &key->tos, tos_key, &mask->tos, tos_mask, sizeof(key->tos));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068) fl_set_key_val(tb, &key->ttl, ttl_key, &mask->ttl, ttl_mask, sizeof(key->ttl));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071) static int fl_set_geneve_opt(const struct nlattr *nla, struct fl_flow_key *key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072) int depth, int option_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073) struct netlink_ext_ack *extack)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075) struct nlattr *tb[TCA_FLOWER_KEY_ENC_OPT_GENEVE_MAX + 1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076) struct nlattr *class = NULL, *type = NULL, *data = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077) struct geneve_opt *opt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078) int err, data_len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080) if (option_len > sizeof(struct geneve_opt))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081) data_len = option_len - sizeof(struct geneve_opt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083) opt = (struct geneve_opt *)&key->enc_opts.data[key->enc_opts.len];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084) memset(opt, 0xff, option_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085) opt->length = data_len / 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086) opt->r1 = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087) opt->r2 = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088) opt->r3 = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090) /* If no mask has been prodived we assume an exact match. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091) if (!depth)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092) return sizeof(struct geneve_opt) + data_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094) if (nla_type(nla) != TCA_FLOWER_KEY_ENC_OPTS_GENEVE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095) NL_SET_ERR_MSG(extack, "Non-geneve option type for mask");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099) err = nla_parse_nested_deprecated(tb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100) TCA_FLOWER_KEY_ENC_OPT_GENEVE_MAX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101) nla, geneve_opt_policy, extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102) if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105) /* We are not allowed to omit any of CLASS, TYPE or DATA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106) * fields from the key.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108) if (!option_len &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109) (!tb[TCA_FLOWER_KEY_ENC_OPT_GENEVE_CLASS] ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110) !tb[TCA_FLOWER_KEY_ENC_OPT_GENEVE_TYPE] ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111) !tb[TCA_FLOWER_KEY_ENC_OPT_GENEVE_DATA])) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112) NL_SET_ERR_MSG(extack, "Missing tunnel key geneve option class, type or data");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116) /* Omitting any of CLASS, TYPE or DATA fields is allowed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117) * for the mask.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119) if (tb[TCA_FLOWER_KEY_ENC_OPT_GENEVE_DATA]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120) int new_len = key->enc_opts.len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122) data = tb[TCA_FLOWER_KEY_ENC_OPT_GENEVE_DATA];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123) data_len = nla_len(data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1124) if (data_len < 4) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1125) NL_SET_ERR_MSG(extack, "Tunnel key geneve option data is less than 4 bytes long");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1126) return -ERANGE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1127) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128) if (data_len % 4) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129) NL_SET_ERR_MSG(extack, "Tunnel key geneve option data is not a multiple of 4 bytes long");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130) return -ERANGE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133) new_len += sizeof(struct geneve_opt) + data_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134) BUILD_BUG_ON(FLOW_DIS_TUN_OPTS_MAX != IP_TUNNEL_OPTS_MAX);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135) if (new_len > FLOW_DIS_TUN_OPTS_MAX) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136) NL_SET_ERR_MSG(extack, "Tunnel options exceeds max size");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137) return -ERANGE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139) opt->length = data_len / 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140) memcpy(opt->opt_data, nla_data(data), data_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1143) if (tb[TCA_FLOWER_KEY_ENC_OPT_GENEVE_CLASS]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1144) class = tb[TCA_FLOWER_KEY_ENC_OPT_GENEVE_CLASS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1145) opt->opt_class = nla_get_be16(class);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1146) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148) if (tb[TCA_FLOWER_KEY_ENC_OPT_GENEVE_TYPE]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149) type = tb[TCA_FLOWER_KEY_ENC_OPT_GENEVE_TYPE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150) opt->type = nla_get_u8(type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153) return sizeof(struct geneve_opt) + data_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156) static int fl_set_vxlan_opt(const struct nlattr *nla, struct fl_flow_key *key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) int depth, int option_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158) struct netlink_ext_ack *extack)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160) struct nlattr *tb[TCA_FLOWER_KEY_ENC_OPT_VXLAN_MAX + 1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161) struct vxlan_metadata *md;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1162) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1164) md = (struct vxlan_metadata *)&key->enc_opts.data[key->enc_opts.len];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1165) memset(md, 0xff, sizeof(*md));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1166)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1167) if (!depth)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1168) return sizeof(*md);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1169)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1170) if (nla_type(nla) != TCA_FLOWER_KEY_ENC_OPTS_VXLAN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1171) NL_SET_ERR_MSG(extack, "Non-vxlan option type for mask");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1172) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1173) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1174)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1175) err = nla_parse_nested(tb, TCA_FLOWER_KEY_ENC_OPT_VXLAN_MAX, nla,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1176) vxlan_opt_policy, extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1177) if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1178) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1179)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1180) if (!option_len && !tb[TCA_FLOWER_KEY_ENC_OPT_VXLAN_GBP]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1181) NL_SET_ERR_MSG(extack, "Missing tunnel key vxlan option gbp");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1182) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1183) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1184)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1185) if (tb[TCA_FLOWER_KEY_ENC_OPT_VXLAN_GBP]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1186) md->gbp = nla_get_u32(tb[TCA_FLOWER_KEY_ENC_OPT_VXLAN_GBP]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1187) md->gbp &= VXLAN_GBP_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1188) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1189)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1190) return sizeof(*md);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1191) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1192)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1193) static int fl_set_erspan_opt(const struct nlattr *nla, struct fl_flow_key *key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1194) int depth, int option_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1195) struct netlink_ext_ack *extack)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1196) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1197) struct nlattr *tb[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_MAX + 1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1198) struct erspan_metadata *md;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1199) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1200)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1201) md = (struct erspan_metadata *)&key->enc_opts.data[key->enc_opts.len];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1202) memset(md, 0xff, sizeof(*md));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1203) md->version = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1204)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1205) if (!depth)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1206) return sizeof(*md);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1207)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1208) if (nla_type(nla) != TCA_FLOWER_KEY_ENC_OPTS_ERSPAN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1209) NL_SET_ERR_MSG(extack, "Non-erspan option type for mask");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1210) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1211) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1212)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1213) err = nla_parse_nested(tb, TCA_FLOWER_KEY_ENC_OPT_ERSPAN_MAX, nla,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1214) erspan_opt_policy, extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1215) if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1216) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1218) if (!option_len && !tb[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1219) NL_SET_ERR_MSG(extack, "Missing tunnel key erspan option ver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1220) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1221) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1222)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1223) if (tb[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1224) md->version = nla_get_u8(tb[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1225)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1226) if (md->version == 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1227) if (!option_len && !tb[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1228) NL_SET_ERR_MSG(extack, "Missing tunnel key erspan option index");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1229) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1230) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1231) if (tb[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1232) nla = tb[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1233) memset(&md->u, 0x00, sizeof(md->u));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1234) md->u.index = nla_get_be32(nla);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1235) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1236) } else if (md->version == 2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1237) if (!option_len && (!tb[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_DIR] ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1238) !tb[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_HWID])) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1239) NL_SET_ERR_MSG(extack, "Missing tunnel key erspan option dir or hwid");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1240) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1241) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1242) if (tb[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_DIR]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1243) nla = tb[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_DIR];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1244) md->u.md2.dir = nla_get_u8(nla);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1245) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1246) if (tb[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_HWID]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1247) nla = tb[TCA_FLOWER_KEY_ENC_OPT_ERSPAN_HWID];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1248) set_hwid(&md->u.md2, nla_get_u8(nla));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1249) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1250) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1251) NL_SET_ERR_MSG(extack, "Tunnel key erspan option ver is incorrect");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1252) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1253) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1254)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1255) return sizeof(*md);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1256) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1257)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1258) static int fl_set_enc_opt(struct nlattr **tb, struct fl_flow_key *key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1259) struct fl_flow_key *mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1260) struct netlink_ext_ack *extack)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1261) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1262) const struct nlattr *nla_enc_key, *nla_opt_key, *nla_opt_msk = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1263) int err, option_len, key_depth, msk_depth = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1264)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1265) err = nla_validate_nested_deprecated(tb[TCA_FLOWER_KEY_ENC_OPTS],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1266) TCA_FLOWER_KEY_ENC_OPTS_MAX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1267) enc_opts_policy, extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1268) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1269) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1270)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1271) nla_enc_key = nla_data(tb[TCA_FLOWER_KEY_ENC_OPTS]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1272)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1273) if (tb[TCA_FLOWER_KEY_ENC_OPTS_MASK]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1274) err = nla_validate_nested_deprecated(tb[TCA_FLOWER_KEY_ENC_OPTS_MASK],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1275) TCA_FLOWER_KEY_ENC_OPTS_MAX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1276) enc_opts_policy, extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1277) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1278) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1279)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1280) nla_opt_msk = nla_data(tb[TCA_FLOWER_KEY_ENC_OPTS_MASK]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1281) msk_depth = nla_len(tb[TCA_FLOWER_KEY_ENC_OPTS_MASK]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1282) if (!nla_ok(nla_opt_msk, msk_depth)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1283) NL_SET_ERR_MSG(extack, "Invalid nested attribute for masks");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1284) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1285) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1286) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1287)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1288) nla_for_each_attr(nla_opt_key, nla_enc_key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1289) nla_len(tb[TCA_FLOWER_KEY_ENC_OPTS]), key_depth) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1290) switch (nla_type(nla_opt_key)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1291) case TCA_FLOWER_KEY_ENC_OPTS_GENEVE:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1292) if (key->enc_opts.dst_opt_type &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1293) key->enc_opts.dst_opt_type != TUNNEL_GENEVE_OPT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1294) NL_SET_ERR_MSG(extack, "Duplicate type for geneve options");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1295) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1296) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1297) option_len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1298) key->enc_opts.dst_opt_type = TUNNEL_GENEVE_OPT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1299) option_len = fl_set_geneve_opt(nla_opt_key, key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1300) key_depth, option_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1301) extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1302) if (option_len < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1303) return option_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1304)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1305) key->enc_opts.len += option_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1306) /* At the same time we need to parse through the mask
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1307) * in order to verify exact and mask attribute lengths.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1308) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1309) mask->enc_opts.dst_opt_type = TUNNEL_GENEVE_OPT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1310) option_len = fl_set_geneve_opt(nla_opt_msk, mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1311) msk_depth, option_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1312) extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1313) if (option_len < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1314) return option_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1315)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1316) mask->enc_opts.len += option_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1317) if (key->enc_opts.len != mask->enc_opts.len) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1318) NL_SET_ERR_MSG(extack, "Key and mask miss aligned");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1319) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1320) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1321) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1322) case TCA_FLOWER_KEY_ENC_OPTS_VXLAN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1323) if (key->enc_opts.dst_opt_type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1324) NL_SET_ERR_MSG(extack, "Duplicate type for vxlan options");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1325) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1326) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1327) option_len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1328) key->enc_opts.dst_opt_type = TUNNEL_VXLAN_OPT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1329) option_len = fl_set_vxlan_opt(nla_opt_key, key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1330) key_depth, option_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1331) extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1332) if (option_len < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1333) return option_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1334)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1335) key->enc_opts.len += option_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1336) /* At the same time we need to parse through the mask
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1337) * in order to verify exact and mask attribute lengths.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1338) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1339) mask->enc_opts.dst_opt_type = TUNNEL_VXLAN_OPT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1340) option_len = fl_set_vxlan_opt(nla_opt_msk, mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1341) msk_depth, option_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1342) extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1343) if (option_len < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1344) return option_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1345)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1346) mask->enc_opts.len += option_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1347) if (key->enc_opts.len != mask->enc_opts.len) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1348) NL_SET_ERR_MSG(extack, "Key and mask miss aligned");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1349) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1350) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1351) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1352) case TCA_FLOWER_KEY_ENC_OPTS_ERSPAN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1353) if (key->enc_opts.dst_opt_type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1354) NL_SET_ERR_MSG(extack, "Duplicate type for erspan options");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1355) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1356) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1357) option_len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1358) key->enc_opts.dst_opt_type = TUNNEL_ERSPAN_OPT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1359) option_len = fl_set_erspan_opt(nla_opt_key, key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1360) key_depth, option_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1361) extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1362) if (option_len < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1363) return option_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1364)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1365) key->enc_opts.len += option_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1366) /* At the same time we need to parse through the mask
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1367) * in order to verify exact and mask attribute lengths.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1368) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1369) mask->enc_opts.dst_opt_type = TUNNEL_ERSPAN_OPT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1370) option_len = fl_set_erspan_opt(nla_opt_msk, mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1371) msk_depth, option_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1372) extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1373) if (option_len < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1374) return option_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1375)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1376) mask->enc_opts.len += option_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1377) if (key->enc_opts.len != mask->enc_opts.len) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1378) NL_SET_ERR_MSG(extack, "Key and mask miss aligned");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1379) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1380) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1381) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1382) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1383) NL_SET_ERR_MSG(extack, "Unknown tunnel option type");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1384) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1385) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1386)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1387) if (!msk_depth)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1388) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1389)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1390) if (!nla_ok(nla_opt_msk, msk_depth)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1391) NL_SET_ERR_MSG(extack, "A mask attribute is invalid");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1392) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1393) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1394) nla_opt_msk = nla_next(nla_opt_msk, &msk_depth);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1395) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1396)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1397) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1398) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1399)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1400) static int fl_validate_ct_state(u16 state, struct nlattr *tb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1401) struct netlink_ext_ack *extack)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1402) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1403) if (state && !(state & TCA_FLOWER_KEY_CT_FLAGS_TRACKED)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1404) NL_SET_ERR_MSG_ATTR(extack, tb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1405) "no trk, so no other flag can be set");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1406) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1407) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1408)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1409) if (state & TCA_FLOWER_KEY_CT_FLAGS_NEW &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1410) state & TCA_FLOWER_KEY_CT_FLAGS_ESTABLISHED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1411) NL_SET_ERR_MSG_ATTR(extack, tb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1412) "new and est are mutually exclusive");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1413) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1414) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1415)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1416) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1417) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1418)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1419) static int fl_set_key_ct(struct nlattr **tb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1420) struct flow_dissector_key_ct *key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1421) struct flow_dissector_key_ct *mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1422) struct netlink_ext_ack *extack)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1423) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1424) if (tb[TCA_FLOWER_KEY_CT_STATE]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1425) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1426)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1427) if (!IS_ENABLED(CONFIG_NF_CONNTRACK)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1428) NL_SET_ERR_MSG(extack, "Conntrack isn't enabled");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1429) return -EOPNOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1430) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1431) fl_set_key_val(tb, &key->ct_state, TCA_FLOWER_KEY_CT_STATE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1432) &mask->ct_state, TCA_FLOWER_KEY_CT_STATE_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1433) sizeof(key->ct_state));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1434)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1435) err = fl_validate_ct_state(key->ct_state & mask->ct_state,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1436) tb[TCA_FLOWER_KEY_CT_STATE_MASK],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1437) extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1438) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1439) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1440)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1441) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1442) if (tb[TCA_FLOWER_KEY_CT_ZONE]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1443) if (!IS_ENABLED(CONFIG_NF_CONNTRACK_ZONES)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1444) NL_SET_ERR_MSG(extack, "Conntrack zones isn't enabled");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1445) return -EOPNOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1446) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1447) fl_set_key_val(tb, &key->ct_zone, TCA_FLOWER_KEY_CT_ZONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1448) &mask->ct_zone, TCA_FLOWER_KEY_CT_ZONE_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1449) sizeof(key->ct_zone));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1450) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1451) if (tb[TCA_FLOWER_KEY_CT_MARK]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1452) if (!IS_ENABLED(CONFIG_NF_CONNTRACK_MARK)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1453) NL_SET_ERR_MSG(extack, "Conntrack mark isn't enabled");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1454) return -EOPNOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1455) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1456) fl_set_key_val(tb, &key->ct_mark, TCA_FLOWER_KEY_CT_MARK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1457) &mask->ct_mark, TCA_FLOWER_KEY_CT_MARK_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1458) sizeof(key->ct_mark));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1459) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1460) if (tb[TCA_FLOWER_KEY_CT_LABELS]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1461) if (!IS_ENABLED(CONFIG_NF_CONNTRACK_LABELS)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1462) NL_SET_ERR_MSG(extack, "Conntrack labels aren't enabled");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1463) return -EOPNOTSUPP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1464) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1465) fl_set_key_val(tb, key->ct_labels, TCA_FLOWER_KEY_CT_LABELS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1466) mask->ct_labels, TCA_FLOWER_KEY_CT_LABELS_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1467) sizeof(key->ct_labels));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1468) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1469)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1470) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1471) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1472)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1473) static int fl_set_key(struct net *net, struct nlattr **tb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1474) struct fl_flow_key *key, struct fl_flow_key *mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1475) struct netlink_ext_ack *extack)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1476) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1477) __be16 ethertype;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1478) int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1479)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1480) if (tb[TCA_FLOWER_INDEV]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1481) int err = tcf_change_indev(net, tb[TCA_FLOWER_INDEV], extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1482) if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1483) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1484) key->meta.ingress_ifindex = err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1485) mask->meta.ingress_ifindex = 0xffffffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1486) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1487)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1488) fl_set_key_val(tb, key->eth.dst, TCA_FLOWER_KEY_ETH_DST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1489) mask->eth.dst, TCA_FLOWER_KEY_ETH_DST_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1490) sizeof(key->eth.dst));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1491) fl_set_key_val(tb, key->eth.src, TCA_FLOWER_KEY_ETH_SRC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1492) mask->eth.src, TCA_FLOWER_KEY_ETH_SRC_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1493) sizeof(key->eth.src));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1494)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1495) if (tb[TCA_FLOWER_KEY_ETH_TYPE]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1496) ethertype = nla_get_be16(tb[TCA_FLOWER_KEY_ETH_TYPE]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1497)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1498) if (eth_type_vlan(ethertype)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1499) fl_set_key_vlan(tb, ethertype, TCA_FLOWER_KEY_VLAN_ID,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1500) TCA_FLOWER_KEY_VLAN_PRIO, &key->vlan,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1501) &mask->vlan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1502)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1503) if (tb[TCA_FLOWER_KEY_VLAN_ETH_TYPE]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1504) ethertype = nla_get_be16(tb[TCA_FLOWER_KEY_VLAN_ETH_TYPE]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1505) if (eth_type_vlan(ethertype)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1506) fl_set_key_vlan(tb, ethertype,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1507) TCA_FLOWER_KEY_CVLAN_ID,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1508) TCA_FLOWER_KEY_CVLAN_PRIO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1509) &key->cvlan, &mask->cvlan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1510) fl_set_key_val(tb, &key->basic.n_proto,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1511) TCA_FLOWER_KEY_CVLAN_ETH_TYPE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1512) &mask->basic.n_proto,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1513) TCA_FLOWER_UNSPEC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1514) sizeof(key->basic.n_proto));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1515) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1516) key->basic.n_proto = ethertype;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1517) mask->basic.n_proto = cpu_to_be16(~0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1518) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1519) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1520) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1521) key->basic.n_proto = ethertype;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1522) mask->basic.n_proto = cpu_to_be16(~0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1523) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1524) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1525)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1526) if (key->basic.n_proto == htons(ETH_P_IP) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1527) key->basic.n_proto == htons(ETH_P_IPV6)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1528) fl_set_key_val(tb, &key->basic.ip_proto, TCA_FLOWER_KEY_IP_PROTO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1529) &mask->basic.ip_proto, TCA_FLOWER_UNSPEC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1530) sizeof(key->basic.ip_proto));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1531) fl_set_key_ip(tb, false, &key->ip, &mask->ip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1532) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1533)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1534) if (tb[TCA_FLOWER_KEY_IPV4_SRC] || tb[TCA_FLOWER_KEY_IPV4_DST]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1535) key->control.addr_type = FLOW_DISSECTOR_KEY_IPV4_ADDRS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1536) mask->control.addr_type = ~0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1537) fl_set_key_val(tb, &key->ipv4.src, TCA_FLOWER_KEY_IPV4_SRC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1538) &mask->ipv4.src, TCA_FLOWER_KEY_IPV4_SRC_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1539) sizeof(key->ipv4.src));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1540) fl_set_key_val(tb, &key->ipv4.dst, TCA_FLOWER_KEY_IPV4_DST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1541) &mask->ipv4.dst, TCA_FLOWER_KEY_IPV4_DST_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1542) sizeof(key->ipv4.dst));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1543) } else if (tb[TCA_FLOWER_KEY_IPV6_SRC] || tb[TCA_FLOWER_KEY_IPV6_DST]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1544) key->control.addr_type = FLOW_DISSECTOR_KEY_IPV6_ADDRS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1545) mask->control.addr_type = ~0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1546) fl_set_key_val(tb, &key->ipv6.src, TCA_FLOWER_KEY_IPV6_SRC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1547) &mask->ipv6.src, TCA_FLOWER_KEY_IPV6_SRC_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1548) sizeof(key->ipv6.src));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1549) fl_set_key_val(tb, &key->ipv6.dst, TCA_FLOWER_KEY_IPV6_DST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1550) &mask->ipv6.dst, TCA_FLOWER_KEY_IPV6_DST_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1551) sizeof(key->ipv6.dst));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1552) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1553)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1554) if (key->basic.ip_proto == IPPROTO_TCP) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1555) fl_set_key_val(tb, &key->tp.src, TCA_FLOWER_KEY_TCP_SRC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1556) &mask->tp.src, TCA_FLOWER_KEY_TCP_SRC_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1557) sizeof(key->tp.src));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1558) fl_set_key_val(tb, &key->tp.dst, TCA_FLOWER_KEY_TCP_DST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1559) &mask->tp.dst, TCA_FLOWER_KEY_TCP_DST_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1560) sizeof(key->tp.dst));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1561) fl_set_key_val(tb, &key->tcp.flags, TCA_FLOWER_KEY_TCP_FLAGS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1562) &mask->tcp.flags, TCA_FLOWER_KEY_TCP_FLAGS_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1563) sizeof(key->tcp.flags));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1564) } else if (key->basic.ip_proto == IPPROTO_UDP) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1565) fl_set_key_val(tb, &key->tp.src, TCA_FLOWER_KEY_UDP_SRC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1566) &mask->tp.src, TCA_FLOWER_KEY_UDP_SRC_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1567) sizeof(key->tp.src));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1568) fl_set_key_val(tb, &key->tp.dst, TCA_FLOWER_KEY_UDP_DST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1569) &mask->tp.dst, TCA_FLOWER_KEY_UDP_DST_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1570) sizeof(key->tp.dst));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1571) } else if (key->basic.ip_proto == IPPROTO_SCTP) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1572) fl_set_key_val(tb, &key->tp.src, TCA_FLOWER_KEY_SCTP_SRC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1573) &mask->tp.src, TCA_FLOWER_KEY_SCTP_SRC_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1574) sizeof(key->tp.src));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1575) fl_set_key_val(tb, &key->tp.dst, TCA_FLOWER_KEY_SCTP_DST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1576) &mask->tp.dst, TCA_FLOWER_KEY_SCTP_DST_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1577) sizeof(key->tp.dst));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1578) } else if (key->basic.n_proto == htons(ETH_P_IP) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1579) key->basic.ip_proto == IPPROTO_ICMP) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1580) fl_set_key_val(tb, &key->icmp.type, TCA_FLOWER_KEY_ICMPV4_TYPE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1581) &mask->icmp.type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1582) TCA_FLOWER_KEY_ICMPV4_TYPE_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1583) sizeof(key->icmp.type));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1584) fl_set_key_val(tb, &key->icmp.code, TCA_FLOWER_KEY_ICMPV4_CODE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1585) &mask->icmp.code,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1586) TCA_FLOWER_KEY_ICMPV4_CODE_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1587) sizeof(key->icmp.code));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1588) } else if (key->basic.n_proto == htons(ETH_P_IPV6) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1589) key->basic.ip_proto == IPPROTO_ICMPV6) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1590) fl_set_key_val(tb, &key->icmp.type, TCA_FLOWER_KEY_ICMPV6_TYPE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1591) &mask->icmp.type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1592) TCA_FLOWER_KEY_ICMPV6_TYPE_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1593) sizeof(key->icmp.type));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1594) fl_set_key_val(tb, &key->icmp.code, TCA_FLOWER_KEY_ICMPV6_CODE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1595) &mask->icmp.code,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1596) TCA_FLOWER_KEY_ICMPV6_CODE_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1597) sizeof(key->icmp.code));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1598) } else if (key->basic.n_proto == htons(ETH_P_MPLS_UC) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1599) key->basic.n_proto == htons(ETH_P_MPLS_MC)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1600) ret = fl_set_key_mpls(tb, &key->mpls, &mask->mpls, extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1601) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1602) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1603) } else if (key->basic.n_proto == htons(ETH_P_ARP) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1604) key->basic.n_proto == htons(ETH_P_RARP)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1605) fl_set_key_val(tb, &key->arp.sip, TCA_FLOWER_KEY_ARP_SIP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1606) &mask->arp.sip, TCA_FLOWER_KEY_ARP_SIP_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1607) sizeof(key->arp.sip));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1608) fl_set_key_val(tb, &key->arp.tip, TCA_FLOWER_KEY_ARP_TIP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1609) &mask->arp.tip, TCA_FLOWER_KEY_ARP_TIP_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1610) sizeof(key->arp.tip));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1611) fl_set_key_val(tb, &key->arp.op, TCA_FLOWER_KEY_ARP_OP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1612) &mask->arp.op, TCA_FLOWER_KEY_ARP_OP_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1613) sizeof(key->arp.op));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1614) fl_set_key_val(tb, key->arp.sha, TCA_FLOWER_KEY_ARP_SHA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1615) mask->arp.sha, TCA_FLOWER_KEY_ARP_SHA_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1616) sizeof(key->arp.sha));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1617) fl_set_key_val(tb, key->arp.tha, TCA_FLOWER_KEY_ARP_THA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1618) mask->arp.tha, TCA_FLOWER_KEY_ARP_THA_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1619) sizeof(key->arp.tha));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1620) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1621)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1622) if (key->basic.ip_proto == IPPROTO_TCP ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1623) key->basic.ip_proto == IPPROTO_UDP ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1624) key->basic.ip_proto == IPPROTO_SCTP) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1625) ret = fl_set_key_port_range(tb, key, mask, extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1626) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1627) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1628) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1629)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1630) if (tb[TCA_FLOWER_KEY_ENC_IPV4_SRC] ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1631) tb[TCA_FLOWER_KEY_ENC_IPV4_DST]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1632) key->enc_control.addr_type = FLOW_DISSECTOR_KEY_IPV4_ADDRS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1633) mask->enc_control.addr_type = ~0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1634) fl_set_key_val(tb, &key->enc_ipv4.src,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1635) TCA_FLOWER_KEY_ENC_IPV4_SRC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1636) &mask->enc_ipv4.src,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1637) TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1638) sizeof(key->enc_ipv4.src));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1639) fl_set_key_val(tb, &key->enc_ipv4.dst,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1640) TCA_FLOWER_KEY_ENC_IPV4_DST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1641) &mask->enc_ipv4.dst,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1642) TCA_FLOWER_KEY_ENC_IPV4_DST_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1643) sizeof(key->enc_ipv4.dst));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1644) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1645)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1646) if (tb[TCA_FLOWER_KEY_ENC_IPV6_SRC] ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1647) tb[TCA_FLOWER_KEY_ENC_IPV6_DST]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1648) key->enc_control.addr_type = FLOW_DISSECTOR_KEY_IPV6_ADDRS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1649) mask->enc_control.addr_type = ~0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1650) fl_set_key_val(tb, &key->enc_ipv6.src,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1651) TCA_FLOWER_KEY_ENC_IPV6_SRC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1652) &mask->enc_ipv6.src,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1653) TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1654) sizeof(key->enc_ipv6.src));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1655) fl_set_key_val(tb, &key->enc_ipv6.dst,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1656) TCA_FLOWER_KEY_ENC_IPV6_DST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1657) &mask->enc_ipv6.dst,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1658) TCA_FLOWER_KEY_ENC_IPV6_DST_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1659) sizeof(key->enc_ipv6.dst));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1660) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1661)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1662) fl_set_key_val(tb, &key->enc_key_id.keyid, TCA_FLOWER_KEY_ENC_KEY_ID,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1663) &mask->enc_key_id.keyid, TCA_FLOWER_UNSPEC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1664) sizeof(key->enc_key_id.keyid));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1665)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1666) fl_set_key_val(tb, &key->enc_tp.src, TCA_FLOWER_KEY_ENC_UDP_SRC_PORT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1667) &mask->enc_tp.src, TCA_FLOWER_KEY_ENC_UDP_SRC_PORT_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1668) sizeof(key->enc_tp.src));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1669)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1670) fl_set_key_val(tb, &key->enc_tp.dst, TCA_FLOWER_KEY_ENC_UDP_DST_PORT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1671) &mask->enc_tp.dst, TCA_FLOWER_KEY_ENC_UDP_DST_PORT_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1672) sizeof(key->enc_tp.dst));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1673)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1674) fl_set_key_ip(tb, true, &key->enc_ip, &mask->enc_ip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1675)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1676) fl_set_key_val(tb, &key->hash.hash, TCA_FLOWER_KEY_HASH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1677) &mask->hash.hash, TCA_FLOWER_KEY_HASH_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1678) sizeof(key->hash.hash));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1679)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1680) if (tb[TCA_FLOWER_KEY_ENC_OPTS]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1681) ret = fl_set_enc_opt(tb, key, mask, extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1682) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1683) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1684) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1685)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1686) ret = fl_set_key_ct(tb, &key->ct, &mask->ct, extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1687) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1688) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1689)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1690) if (tb[TCA_FLOWER_KEY_FLAGS])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1691) ret = fl_set_key_flags(tb, &key->control.flags,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1692) &mask->control.flags, extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1693)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1694) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1695) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1696)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1697) static void fl_mask_copy(struct fl_flow_mask *dst,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1698) struct fl_flow_mask *src)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1699) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1700) const void *psrc = fl_key_get_start(&src->key, src);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1701) void *pdst = fl_key_get_start(&dst->key, src);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1702)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1703) memcpy(pdst, psrc, fl_mask_range(src));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1704) dst->range = src->range;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1705) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1706)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1707) static const struct rhashtable_params fl_ht_params = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1708) .key_offset = offsetof(struct cls_fl_filter, mkey), /* base offset */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1709) .head_offset = offsetof(struct cls_fl_filter, ht_node),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1710) .automatic_shrinking = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1711) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1712)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1713) static int fl_init_mask_hashtable(struct fl_flow_mask *mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1714) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1715) mask->filter_ht_params = fl_ht_params;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1716) mask->filter_ht_params.key_len = fl_mask_range(mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1717) mask->filter_ht_params.key_offset += mask->range.start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1718)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1719) return rhashtable_init(&mask->ht, &mask->filter_ht_params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1720) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1721)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1722) #define FL_KEY_MEMBER_OFFSET(member) offsetof(struct fl_flow_key, member)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1723) #define FL_KEY_MEMBER_SIZE(member) sizeof_field(struct fl_flow_key, member)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1724)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1725) #define FL_KEY_IS_MASKED(mask, member) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1726) memchr_inv(((char *)mask) + FL_KEY_MEMBER_OFFSET(member), \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1727) 0, FL_KEY_MEMBER_SIZE(member)) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1728)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1729) #define FL_KEY_SET(keys, cnt, id, member) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1730) do { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1731) keys[cnt].key_id = id; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1732) keys[cnt].offset = FL_KEY_MEMBER_OFFSET(member); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1733) cnt++; \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1734) } while(0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1735)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1736) #define FL_KEY_SET_IF_MASKED(mask, keys, cnt, id, member) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1737) do { \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1738) if (FL_KEY_IS_MASKED(mask, member)) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1739) FL_KEY_SET(keys, cnt, id, member); \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1740) } while(0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1741)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1742) static void fl_init_dissector(struct flow_dissector *dissector,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1743) struct fl_flow_key *mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1744) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1745) struct flow_dissector_key keys[FLOW_DISSECTOR_KEY_MAX];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1746) size_t cnt = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1747)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1748) FL_KEY_SET_IF_MASKED(mask, keys, cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1749) FLOW_DISSECTOR_KEY_META, meta);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1750) FL_KEY_SET(keys, cnt, FLOW_DISSECTOR_KEY_CONTROL, control);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1751) FL_KEY_SET(keys, cnt, FLOW_DISSECTOR_KEY_BASIC, basic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1752) FL_KEY_SET_IF_MASKED(mask, keys, cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1753) FLOW_DISSECTOR_KEY_ETH_ADDRS, eth);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1754) FL_KEY_SET_IF_MASKED(mask, keys, cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1755) FLOW_DISSECTOR_KEY_IPV4_ADDRS, ipv4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1756) FL_KEY_SET_IF_MASKED(mask, keys, cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1757) FLOW_DISSECTOR_KEY_IPV6_ADDRS, ipv6);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1758) FL_KEY_SET_IF_MASKED(mask, keys, cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1759) FLOW_DISSECTOR_KEY_PORTS, tp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1760) FL_KEY_SET_IF_MASKED(mask, keys, cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1761) FLOW_DISSECTOR_KEY_PORTS_RANGE, tp_range);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1762) FL_KEY_SET_IF_MASKED(mask, keys, cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1763) FLOW_DISSECTOR_KEY_IP, ip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1764) FL_KEY_SET_IF_MASKED(mask, keys, cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1765) FLOW_DISSECTOR_KEY_TCP, tcp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1766) FL_KEY_SET_IF_MASKED(mask, keys, cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1767) FLOW_DISSECTOR_KEY_ICMP, icmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1768) FL_KEY_SET_IF_MASKED(mask, keys, cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1769) FLOW_DISSECTOR_KEY_ARP, arp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1770) FL_KEY_SET_IF_MASKED(mask, keys, cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1771) FLOW_DISSECTOR_KEY_MPLS, mpls);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1772) FL_KEY_SET_IF_MASKED(mask, keys, cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1773) FLOW_DISSECTOR_KEY_VLAN, vlan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1774) FL_KEY_SET_IF_MASKED(mask, keys, cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1775) FLOW_DISSECTOR_KEY_CVLAN, cvlan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1776) FL_KEY_SET_IF_MASKED(mask, keys, cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1777) FLOW_DISSECTOR_KEY_ENC_KEYID, enc_key_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1778) FL_KEY_SET_IF_MASKED(mask, keys, cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1779) FLOW_DISSECTOR_KEY_ENC_IPV4_ADDRS, enc_ipv4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1780) FL_KEY_SET_IF_MASKED(mask, keys, cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1781) FLOW_DISSECTOR_KEY_ENC_IPV6_ADDRS, enc_ipv6);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1782) if (FL_KEY_IS_MASKED(mask, enc_ipv4) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1783) FL_KEY_IS_MASKED(mask, enc_ipv6))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1784) FL_KEY_SET(keys, cnt, FLOW_DISSECTOR_KEY_ENC_CONTROL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1785) enc_control);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1786) FL_KEY_SET_IF_MASKED(mask, keys, cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1787) FLOW_DISSECTOR_KEY_ENC_PORTS, enc_tp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1788) FL_KEY_SET_IF_MASKED(mask, keys, cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1789) FLOW_DISSECTOR_KEY_ENC_IP, enc_ip);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1790) FL_KEY_SET_IF_MASKED(mask, keys, cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1791) FLOW_DISSECTOR_KEY_ENC_OPTS, enc_opts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1792) FL_KEY_SET_IF_MASKED(mask, keys, cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1793) FLOW_DISSECTOR_KEY_CT, ct);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1794) FL_KEY_SET_IF_MASKED(mask, keys, cnt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1795) FLOW_DISSECTOR_KEY_HASH, hash);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1796)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1797) skb_flow_dissector_init(dissector, keys, cnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1798) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1799)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1800) static struct fl_flow_mask *fl_create_new_mask(struct cls_fl_head *head,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1801) struct fl_flow_mask *mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1802) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1803) struct fl_flow_mask *newmask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1804) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1805)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1806) newmask = kzalloc(sizeof(*newmask), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1807) if (!newmask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1808) return ERR_PTR(-ENOMEM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1809)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1810) fl_mask_copy(newmask, mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1811)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1812) if ((newmask->key.tp_range.tp_min.dst &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1813) newmask->key.tp_range.tp_max.dst) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1814) (newmask->key.tp_range.tp_min.src &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1815) newmask->key.tp_range.tp_max.src))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1816) newmask->flags |= TCA_FLOWER_MASK_FLAGS_RANGE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1817)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1818) err = fl_init_mask_hashtable(newmask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1819) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1820) goto errout_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1821)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1822) fl_init_dissector(&newmask->dissector, &newmask->key);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1823)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1824) INIT_LIST_HEAD_RCU(&newmask->filters);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1825)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1826) refcount_set(&newmask->refcnt, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1827) err = rhashtable_replace_fast(&head->ht, &mask->ht_node,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1828) &newmask->ht_node, mask_ht_params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1829) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1830) goto errout_destroy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1831)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1832) spin_lock(&head->masks_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1833) list_add_tail_rcu(&newmask->list, &head->masks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1834) spin_unlock(&head->masks_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1835)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1836) return newmask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1837)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1838) errout_destroy:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1839) rhashtable_destroy(&newmask->ht);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1840) errout_free:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1841) kfree(newmask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1842)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1843) return ERR_PTR(err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1844) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1845)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1846) static int fl_check_assign_mask(struct cls_fl_head *head,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1847) struct cls_fl_filter *fnew,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1848) struct cls_fl_filter *fold,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1849) struct fl_flow_mask *mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1850) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1851) struct fl_flow_mask *newmask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1852) int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1853)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1854) rcu_read_lock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1855)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1856) /* Insert mask as temporary node to prevent concurrent creation of mask
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1857) * with same key. Any concurrent lookups with same key will return
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1858) * -EAGAIN because mask's refcnt is zero.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1859) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1860) fnew->mask = rhashtable_lookup_get_insert_fast(&head->ht,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1861) &mask->ht_node,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1862) mask_ht_params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1863) if (!fnew->mask) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1864) rcu_read_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1865)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1866) if (fold) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1867) ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1868) goto errout_cleanup;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1869) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1870)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1871) newmask = fl_create_new_mask(head, mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1872) if (IS_ERR(newmask)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1873) ret = PTR_ERR(newmask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1874) goto errout_cleanup;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1875) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1876)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1877) fnew->mask = newmask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1878) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1879) } else if (IS_ERR(fnew->mask)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1880) ret = PTR_ERR(fnew->mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1881) } else if (fold && fold->mask != fnew->mask) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1882) ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1883) } else if (!refcount_inc_not_zero(&fnew->mask->refcnt)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1884) /* Mask was deleted concurrently, try again */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1885) ret = -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1886) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1887) rcu_read_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1888) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1889)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1890) errout_cleanup:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1891) rhashtable_remove_fast(&head->ht, &mask->ht_node,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1892) mask_ht_params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1893) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1894) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1895)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1896) static int fl_set_parms(struct net *net, struct tcf_proto *tp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1897) struct cls_fl_filter *f, struct fl_flow_mask *mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1898) unsigned long base, struct nlattr **tb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1899) struct nlattr *est, bool ovr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1900) struct fl_flow_tmplt *tmplt, bool rtnl_held,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1901) struct netlink_ext_ack *extack)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1902) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1903) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1904)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1905) err = tcf_exts_validate(net, tp, tb, est, &f->exts, ovr, rtnl_held,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1906) extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1907) if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1908) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1909)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1910) if (tb[TCA_FLOWER_CLASSID]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1911) f->res.classid = nla_get_u32(tb[TCA_FLOWER_CLASSID]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1912) if (!rtnl_held)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1913) rtnl_lock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1914) tcf_bind_filter(tp, &f->res, base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1915) if (!rtnl_held)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1916) rtnl_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1917) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1918)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1919) err = fl_set_key(net, tb, &f->key, &mask->key, extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1920) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1921) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1922)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1923) fl_mask_update_range(mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1924) fl_set_masked_key(&f->mkey, &f->key, mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1925)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1926) if (!fl_mask_fits_tmplt(tmplt, mask)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1927) NL_SET_ERR_MSG_MOD(extack, "Mask does not fit the template");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1928) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1929) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1930)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1931) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1932) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1933)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1934) static int fl_ht_insert_unique(struct cls_fl_filter *fnew,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1935) struct cls_fl_filter *fold,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1936) bool *in_ht)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1937) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1938) struct fl_flow_mask *mask = fnew->mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1939) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1940)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1941) err = rhashtable_lookup_insert_fast(&mask->ht,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1942) &fnew->ht_node,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1943) mask->filter_ht_params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1944) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1945) *in_ht = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1946) /* It is okay if filter with same key exists when
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1947) * overwriting.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1948) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1949) return fold && err == -EEXIST ? 0 : err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1950) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1951)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1952) *in_ht = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1953) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1954) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1955)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1956) static int fl_change(struct net *net, struct sk_buff *in_skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1957) struct tcf_proto *tp, unsigned long base,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1958) u32 handle, struct nlattr **tca,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1959) void **arg, bool ovr, bool rtnl_held,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1960) struct netlink_ext_ack *extack)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1961) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1962) struct cls_fl_head *head = fl_head_dereference(tp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1963) struct cls_fl_filter *fold = *arg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1964) struct cls_fl_filter *fnew;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1965) struct fl_flow_mask *mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1966) struct nlattr **tb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1967) bool in_ht;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1968) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1969)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1970) if (!tca[TCA_OPTIONS]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1971) err = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1972) goto errout_fold;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1973) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1974)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1975) mask = kzalloc(sizeof(struct fl_flow_mask), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1976) if (!mask) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1977) err = -ENOBUFS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1978) goto errout_fold;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1979) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1980)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1981) tb = kcalloc(TCA_FLOWER_MAX + 1, sizeof(struct nlattr *), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1982) if (!tb) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1983) err = -ENOBUFS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1984) goto errout_mask_alloc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1985) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1986)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1987) err = nla_parse_nested_deprecated(tb, TCA_FLOWER_MAX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1988) tca[TCA_OPTIONS], fl_policy, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1989) if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1990) goto errout_tb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1991)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1992) if (fold && handle && fold->handle != handle) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1993) err = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1994) goto errout_tb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1995) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1996)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1997) fnew = kzalloc(sizeof(*fnew), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1998) if (!fnew) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1999) err = -ENOBUFS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2000) goto errout_tb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2001) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2002) INIT_LIST_HEAD(&fnew->hw_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2003) refcount_set(&fnew->refcnt, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2004)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2005) err = tcf_exts_init(&fnew->exts, net, TCA_FLOWER_ACT, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2006) if (err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2007) goto errout;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2008)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2009) if (tb[TCA_FLOWER_FLAGS]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2010) fnew->flags = nla_get_u32(tb[TCA_FLOWER_FLAGS]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2011)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2012) if (!tc_flags_valid(fnew->flags)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2013) err = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2014) goto errout;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2015) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2016) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2017)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2018) err = fl_set_parms(net, tp, fnew, mask, base, tb, tca[TCA_RATE], ovr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2019) tp->chain->tmplt_priv, rtnl_held, extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2020) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2021) goto errout;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2022)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2023) err = fl_check_assign_mask(head, fnew, fold, mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2024) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2025) goto errout;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2026)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2027) err = fl_ht_insert_unique(fnew, fold, &in_ht);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2028) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2029) goto errout_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2030)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2031) if (!tc_skip_hw(fnew->flags)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2032) err = fl_hw_replace_filter(tp, fnew, rtnl_held, extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2033) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2034) goto errout_ht;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2035) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2036)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2037) if (!tc_in_hw(fnew->flags))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2038) fnew->flags |= TCA_CLS_FLAGS_NOT_IN_HW;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2039)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2040) spin_lock(&tp->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2041)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2042) /* tp was deleted concurrently. -EAGAIN will cause caller to lookup
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2043) * proto again or create new one, if necessary.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2044) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2045) if (tp->deleting) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2046) err = -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2047) goto errout_hw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2048) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2049)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2050) if (fold) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2051) /* Fold filter was deleted concurrently. Retry lookup. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2052) if (fold->deleted) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2053) err = -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2054) goto errout_hw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2055) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2056)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2057) fnew->handle = handle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2058)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2059) if (!in_ht) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2060) struct rhashtable_params params =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2061) fnew->mask->filter_ht_params;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2062)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2063) err = rhashtable_insert_fast(&fnew->mask->ht,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2064) &fnew->ht_node,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2065) params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2066) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2067) goto errout_hw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2068) in_ht = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2069) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2070)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2071) refcount_inc(&fnew->refcnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2072) rhashtable_remove_fast(&fold->mask->ht,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2073) &fold->ht_node,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2074) fold->mask->filter_ht_params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2075) idr_replace(&head->handle_idr, fnew, fnew->handle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2076) list_replace_rcu(&fold->list, &fnew->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2077) fold->deleted = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2078)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2079) spin_unlock(&tp->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2080)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2081) fl_mask_put(head, fold->mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2082) if (!tc_skip_hw(fold->flags))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2083) fl_hw_destroy_filter(tp, fold, rtnl_held, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2084) tcf_unbind_filter(tp, &fold->res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2085) /* Caller holds reference to fold, so refcnt is always > 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2086) * after this.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2087) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2088) refcount_dec(&fold->refcnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2089) __fl_put(fold);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2090) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2091) if (handle) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2092) /* user specifies a handle and it doesn't exist */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2093) err = idr_alloc_u32(&head->handle_idr, fnew, &handle,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2094) handle, GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2095)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2096) /* Filter with specified handle was concurrently
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2097) * inserted after initial check in cls_api. This is not
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2098) * necessarily an error if NLM_F_EXCL is not set in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2099) * message flags. Returning EAGAIN will cause cls_api to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2100) * try to update concurrently inserted rule.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2101) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2102) if (err == -ENOSPC)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2103) err = -EAGAIN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2104) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2105) handle = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2106) err = idr_alloc_u32(&head->handle_idr, fnew, &handle,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2107) INT_MAX, GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2108) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2109) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2110) goto errout_hw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2111)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2112) refcount_inc(&fnew->refcnt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2113) fnew->handle = handle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2114) list_add_tail_rcu(&fnew->list, &fnew->mask->filters);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2115) spin_unlock(&tp->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2116) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2117)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2118) *arg = fnew;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2120) kfree(tb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2121) tcf_queue_work(&mask->rwork, fl_uninit_mask_free_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2122) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2124) errout_ht:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2125) spin_lock(&tp->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2126) errout_hw:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2127) fnew->deleted = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2128) spin_unlock(&tp->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2129) if (!tc_skip_hw(fnew->flags))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2130) fl_hw_destroy_filter(tp, fnew, rtnl_held, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2131) if (in_ht)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2132) rhashtable_remove_fast(&fnew->mask->ht, &fnew->ht_node,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2133) fnew->mask->filter_ht_params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2134) errout_mask:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2135) fl_mask_put(head, fnew->mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2136) errout:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2137) __fl_put(fnew);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2138) errout_tb:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2139) kfree(tb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2140) errout_mask_alloc:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2141) tcf_queue_work(&mask->rwork, fl_uninit_mask_free_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2142) errout_fold:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2143) if (fold)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2144) __fl_put(fold);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2145) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2146) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2147)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2148) static int fl_delete(struct tcf_proto *tp, void *arg, bool *last,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2149) bool rtnl_held, struct netlink_ext_ack *extack)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2150) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2151) struct cls_fl_head *head = fl_head_dereference(tp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2152) struct cls_fl_filter *f = arg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2153) bool last_on_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2154) int err = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2155)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2156) err = __fl_delete(tp, f, &last_on_mask, rtnl_held, extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2157) *last = list_empty(&head->masks);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2158) __fl_put(f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2159)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2160) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2161) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2162)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2163) static void fl_walk(struct tcf_proto *tp, struct tcf_walker *arg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2164) bool rtnl_held)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2165) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2166) struct cls_fl_head *head = fl_head_dereference(tp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2167) unsigned long id = arg->cookie, tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2168) struct cls_fl_filter *f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2169)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2170) arg->count = arg->skip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2171)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2172) rcu_read_lock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2173) idr_for_each_entry_continue_ul(&head->handle_idr, f, tmp, id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2174) /* don't return filters that are being deleted */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2175) if (!refcount_inc_not_zero(&f->refcnt))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2176) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2177) rcu_read_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2179) if (arg->fn(tp, f, arg) < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2180) __fl_put(f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2181) arg->stop = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2182) rcu_read_lock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2183) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2184) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2185) __fl_put(f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2186) arg->count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2187) rcu_read_lock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2188) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2189) rcu_read_unlock();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2190) arg->cookie = id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2191) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2192)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2193) static struct cls_fl_filter *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2194) fl_get_next_hw_filter(struct tcf_proto *tp, struct cls_fl_filter *f, bool add)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2195) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2196) struct cls_fl_head *head = fl_head_dereference(tp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2197)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2198) spin_lock(&tp->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2199) if (list_empty(&head->hw_filters)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2200) spin_unlock(&tp->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2201) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2202) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2203)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2204) if (!f)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2205) f = list_entry(&head->hw_filters, struct cls_fl_filter,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2206) hw_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2207) list_for_each_entry_continue(f, &head->hw_filters, hw_list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2208) if (!(add && f->deleted) && refcount_inc_not_zero(&f->refcnt)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2209) spin_unlock(&tp->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2210) return f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2211) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2212) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2213)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2214) spin_unlock(&tp->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2215) return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2216) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2218) static int fl_reoffload(struct tcf_proto *tp, bool add, flow_setup_cb_t *cb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2219) void *cb_priv, struct netlink_ext_ack *extack)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2220) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2221) struct tcf_block *block = tp->chain->block;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2222) struct flow_cls_offload cls_flower = {};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2223) struct cls_fl_filter *f = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2224) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2225)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2226) /* hw_filters list can only be changed by hw offload functions after
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2227) * obtaining rtnl lock. Make sure it is not changed while reoffload is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2228) * iterating it.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2229) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2230) ASSERT_RTNL();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2232) while ((f = fl_get_next_hw_filter(tp, f, add))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2233) cls_flower.rule =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2234) flow_rule_alloc(tcf_exts_num_actions(&f->exts));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2235) if (!cls_flower.rule) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2236) __fl_put(f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2237) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2238) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2239)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2240) tc_cls_common_offload_init(&cls_flower.common, tp, f->flags,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2241) extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2242) cls_flower.command = add ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2243) FLOW_CLS_REPLACE : FLOW_CLS_DESTROY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2244) cls_flower.cookie = (unsigned long)f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2245) cls_flower.rule->match.dissector = &f->mask->dissector;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2246) cls_flower.rule->match.mask = &f->mask->key;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2247) cls_flower.rule->match.key = &f->mkey;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2248)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2249) err = tc_setup_flow_action(&cls_flower.rule->action, &f->exts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2250) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2251) kfree(cls_flower.rule);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2252) if (tc_skip_sw(f->flags)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2253) NL_SET_ERR_MSG_MOD(extack, "Failed to setup flow action");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2254) __fl_put(f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2255) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2256) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2257) goto next_flow;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2258) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2259)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2260) cls_flower.classid = f->res.classid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2261)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2262) err = tc_setup_cb_reoffload(block, tp, add, cb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2263) TC_SETUP_CLSFLOWER, &cls_flower,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2264) cb_priv, &f->flags,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2265) &f->in_hw_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2266) tc_cleanup_flow_action(&cls_flower.rule->action);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2267) kfree(cls_flower.rule);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2268)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2269) if (err) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2270) __fl_put(f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2271) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2272) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2273) next_flow:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2274) __fl_put(f);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2275) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2276)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2277) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2278) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2279)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2280) static void fl_hw_add(struct tcf_proto *tp, void *type_data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2281) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2282) struct flow_cls_offload *cls_flower = type_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2283) struct cls_fl_filter *f =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2284) (struct cls_fl_filter *) cls_flower->cookie;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2285) struct cls_fl_head *head = fl_head_dereference(tp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2286)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2287) spin_lock(&tp->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2288) list_add(&f->hw_list, &head->hw_filters);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2289) spin_unlock(&tp->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2290) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2291)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2292) static void fl_hw_del(struct tcf_proto *tp, void *type_data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2293) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2294) struct flow_cls_offload *cls_flower = type_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2295) struct cls_fl_filter *f =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2296) (struct cls_fl_filter *) cls_flower->cookie;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2297)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2298) spin_lock(&tp->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2299) if (!list_empty(&f->hw_list))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2300) list_del_init(&f->hw_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2301) spin_unlock(&tp->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2302) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2303)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2304) static int fl_hw_create_tmplt(struct tcf_chain *chain,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2305) struct fl_flow_tmplt *tmplt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2306) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2307) struct flow_cls_offload cls_flower = {};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2308) struct tcf_block *block = chain->block;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2309)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2310) cls_flower.rule = flow_rule_alloc(0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2311) if (!cls_flower.rule)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2312) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2313)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2314) cls_flower.common.chain_index = chain->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2315) cls_flower.command = FLOW_CLS_TMPLT_CREATE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2316) cls_flower.cookie = (unsigned long) tmplt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2317) cls_flower.rule->match.dissector = &tmplt->dissector;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2318) cls_flower.rule->match.mask = &tmplt->mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2319) cls_flower.rule->match.key = &tmplt->dummy_key;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2320)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2321) /* We don't care if driver (any of them) fails to handle this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2322) * call. It serves just as a hint for it.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2323) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2324) tc_setup_cb_call(block, TC_SETUP_CLSFLOWER, &cls_flower, false, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2325) kfree(cls_flower.rule);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2326)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2327) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2328) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2329)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2330) static void fl_hw_destroy_tmplt(struct tcf_chain *chain,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2331) struct fl_flow_tmplt *tmplt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2332) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2333) struct flow_cls_offload cls_flower = {};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2334) struct tcf_block *block = chain->block;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2335)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2336) cls_flower.common.chain_index = chain->index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2337) cls_flower.command = FLOW_CLS_TMPLT_DESTROY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2338) cls_flower.cookie = (unsigned long) tmplt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2339)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2340) tc_setup_cb_call(block, TC_SETUP_CLSFLOWER, &cls_flower, false, true);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2341) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2342)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2343) static void *fl_tmplt_create(struct net *net, struct tcf_chain *chain,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2344) struct nlattr **tca,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2345) struct netlink_ext_ack *extack)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2346) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2347) struct fl_flow_tmplt *tmplt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2348) struct nlattr **tb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2349) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2350)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2351) if (!tca[TCA_OPTIONS])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2352) return ERR_PTR(-EINVAL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2353)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2354) tb = kcalloc(TCA_FLOWER_MAX + 1, sizeof(struct nlattr *), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2355) if (!tb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2356) return ERR_PTR(-ENOBUFS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2357) err = nla_parse_nested_deprecated(tb, TCA_FLOWER_MAX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2358) tca[TCA_OPTIONS], fl_policy, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2359) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2360) goto errout_tb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2361)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2362) tmplt = kzalloc(sizeof(*tmplt), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2363) if (!tmplt) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2364) err = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2365) goto errout_tb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2366) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2367) tmplt->chain = chain;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2368) err = fl_set_key(net, tb, &tmplt->dummy_key, &tmplt->mask, extack);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2369) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2370) goto errout_tmplt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2371)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2372) fl_init_dissector(&tmplt->dissector, &tmplt->mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2373)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2374) err = fl_hw_create_tmplt(chain, tmplt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2375) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2376) goto errout_tmplt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2377)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2378) kfree(tb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2379) return tmplt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2380)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2381) errout_tmplt:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2382) kfree(tmplt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2383) errout_tb:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2384) kfree(tb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2385) return ERR_PTR(err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2386) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2387)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2388) static void fl_tmplt_destroy(void *tmplt_priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2389) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2390) struct fl_flow_tmplt *tmplt = tmplt_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2391)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2392) fl_hw_destroy_tmplt(tmplt->chain, tmplt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2393) kfree(tmplt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2394) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2395)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2396) static int fl_dump_key_val(struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2397) void *val, int val_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2398) void *mask, int mask_type, int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2399) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2400) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2401)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2402) if (!memchr_inv(mask, 0, len))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2403) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2404) err = nla_put(skb, val_type, len, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2405) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2406) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2407) if (mask_type != TCA_FLOWER_UNSPEC) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2408) err = nla_put(skb, mask_type, len, mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2409) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2410) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2411) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2412) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2413) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2414)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2415) static int fl_dump_key_port_range(struct sk_buff *skb, struct fl_flow_key *key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2416) struct fl_flow_key *mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2417) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2418) if (fl_dump_key_val(skb, &key->tp_range.tp_min.dst,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2419) TCA_FLOWER_KEY_PORT_DST_MIN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2420) &mask->tp_range.tp_min.dst, TCA_FLOWER_UNSPEC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2421) sizeof(key->tp_range.tp_min.dst)) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2422) fl_dump_key_val(skb, &key->tp_range.tp_max.dst,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2423) TCA_FLOWER_KEY_PORT_DST_MAX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2424) &mask->tp_range.tp_max.dst, TCA_FLOWER_UNSPEC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2425) sizeof(key->tp_range.tp_max.dst)) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2426) fl_dump_key_val(skb, &key->tp_range.tp_min.src,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2427) TCA_FLOWER_KEY_PORT_SRC_MIN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2428) &mask->tp_range.tp_min.src, TCA_FLOWER_UNSPEC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2429) sizeof(key->tp_range.tp_min.src)) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2430) fl_dump_key_val(skb, &key->tp_range.tp_max.src,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2431) TCA_FLOWER_KEY_PORT_SRC_MAX,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2432) &mask->tp_range.tp_max.src, TCA_FLOWER_UNSPEC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2433) sizeof(key->tp_range.tp_max.src)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2434) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2435)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2436) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2437) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2438)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2439) static int fl_dump_key_mpls_opt_lse(struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2440) struct flow_dissector_key_mpls *mpls_key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2441) struct flow_dissector_key_mpls *mpls_mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2442) u8 lse_index)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2443) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2444) struct flow_dissector_mpls_lse *lse_mask = &mpls_mask->ls[lse_index];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2445) struct flow_dissector_mpls_lse *lse_key = &mpls_key->ls[lse_index];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2446) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2447)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2448) err = nla_put_u8(skb, TCA_FLOWER_KEY_MPLS_OPT_LSE_DEPTH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2449) lse_index + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2450) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2451) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2452)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2453) if (lse_mask->mpls_ttl) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2454) err = nla_put_u8(skb, TCA_FLOWER_KEY_MPLS_OPT_LSE_TTL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2455) lse_key->mpls_ttl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2456) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2457) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2458) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2459) if (lse_mask->mpls_bos) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2460) err = nla_put_u8(skb, TCA_FLOWER_KEY_MPLS_OPT_LSE_BOS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2461) lse_key->mpls_bos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2462) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2463) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2464) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2465) if (lse_mask->mpls_tc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2466) err = nla_put_u8(skb, TCA_FLOWER_KEY_MPLS_OPT_LSE_TC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2467) lse_key->mpls_tc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2468) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2469) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2470) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2471) if (lse_mask->mpls_label) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2472) err = nla_put_u32(skb, TCA_FLOWER_KEY_MPLS_OPT_LSE_LABEL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2473) lse_key->mpls_label);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2474) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2475) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2476) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2477)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2478) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2479) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2480)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2481) static int fl_dump_key_mpls_opts(struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2482) struct flow_dissector_key_mpls *mpls_key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2483) struct flow_dissector_key_mpls *mpls_mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2484) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2485) struct nlattr *opts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2486) struct nlattr *lse;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2487) u8 lse_index;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2488) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2489)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2490) opts = nla_nest_start(skb, TCA_FLOWER_KEY_MPLS_OPTS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2491) if (!opts)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2492) return -EMSGSIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2493)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2494) for (lse_index = 0; lse_index < FLOW_DIS_MPLS_MAX; lse_index++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2495) if (!(mpls_mask->used_lses & 1 << lse_index))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2496) continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2497)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2498) lse = nla_nest_start(skb, TCA_FLOWER_KEY_MPLS_OPTS_LSE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2499) if (!lse) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2500) err = -EMSGSIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2501) goto err_opts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2502) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2503)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2504) err = fl_dump_key_mpls_opt_lse(skb, mpls_key, mpls_mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2505) lse_index);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2506) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2507) goto err_opts_lse;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2508) nla_nest_end(skb, lse);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2509) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2510) nla_nest_end(skb, opts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2511)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2512) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2513)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2514) err_opts_lse:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2515) nla_nest_cancel(skb, lse);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2516) err_opts:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2517) nla_nest_cancel(skb, opts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2518)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2519) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2520) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2521)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2522) static int fl_dump_key_mpls(struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2523) struct flow_dissector_key_mpls *mpls_key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2524) struct flow_dissector_key_mpls *mpls_mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2525) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2526) struct flow_dissector_mpls_lse *lse_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2527) struct flow_dissector_mpls_lse *lse_key;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2528) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2529)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2530) if (!mpls_mask->used_lses)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2531) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2532)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2533) lse_mask = &mpls_mask->ls[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2534) lse_key = &mpls_key->ls[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2535)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2536) /* For backward compatibility, don't use the MPLS nested attributes if
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2537) * the rule can be expressed using the old attributes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2538) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2539) if (mpls_mask->used_lses & ~1 ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2540) (!lse_mask->mpls_ttl && !lse_mask->mpls_bos &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2541) !lse_mask->mpls_tc && !lse_mask->mpls_label))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2542) return fl_dump_key_mpls_opts(skb, mpls_key, mpls_mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2543)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2544) if (lse_mask->mpls_ttl) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2545) err = nla_put_u8(skb, TCA_FLOWER_KEY_MPLS_TTL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2546) lse_key->mpls_ttl);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2547) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2548) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2549) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2550) if (lse_mask->mpls_tc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2551) err = nla_put_u8(skb, TCA_FLOWER_KEY_MPLS_TC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2552) lse_key->mpls_tc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2553) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2554) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2555) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2556) if (lse_mask->mpls_label) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2557) err = nla_put_u32(skb, TCA_FLOWER_KEY_MPLS_LABEL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2558) lse_key->mpls_label);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2559) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2560) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2561) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2562) if (lse_mask->mpls_bos) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2563) err = nla_put_u8(skb, TCA_FLOWER_KEY_MPLS_BOS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2564) lse_key->mpls_bos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2565) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2566) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2567) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2568) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2569) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2570)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2571) static int fl_dump_key_ip(struct sk_buff *skb, bool encap,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2572) struct flow_dissector_key_ip *key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2573) struct flow_dissector_key_ip *mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2574) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2575) int tos_key = encap ? TCA_FLOWER_KEY_ENC_IP_TOS : TCA_FLOWER_KEY_IP_TOS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2576) int ttl_key = encap ? TCA_FLOWER_KEY_ENC_IP_TTL : TCA_FLOWER_KEY_IP_TTL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2577) int tos_mask = encap ? TCA_FLOWER_KEY_ENC_IP_TOS_MASK : TCA_FLOWER_KEY_IP_TOS_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2578) int ttl_mask = encap ? TCA_FLOWER_KEY_ENC_IP_TTL_MASK : TCA_FLOWER_KEY_IP_TTL_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2579)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2580) if (fl_dump_key_val(skb, &key->tos, tos_key, &mask->tos, tos_mask, sizeof(key->tos)) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2581) fl_dump_key_val(skb, &key->ttl, ttl_key, &mask->ttl, ttl_mask, sizeof(key->ttl)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2582) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2583)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2584) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2585) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2586)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2587) static int fl_dump_key_vlan(struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2588) int vlan_id_key, int vlan_prio_key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2589) struct flow_dissector_key_vlan *vlan_key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2590) struct flow_dissector_key_vlan *vlan_mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2591) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2592) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2593)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2594) if (!memchr_inv(vlan_mask, 0, sizeof(*vlan_mask)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2595) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2596) if (vlan_mask->vlan_id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2597) err = nla_put_u16(skb, vlan_id_key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2598) vlan_key->vlan_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2599) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2600) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2601) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2602) if (vlan_mask->vlan_priority) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2603) err = nla_put_u8(skb, vlan_prio_key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2604) vlan_key->vlan_priority);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2605) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2606) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2607) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2608) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2609) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2610)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2611) static void fl_get_key_flag(u32 dissector_key, u32 dissector_mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2612) u32 *flower_key, u32 *flower_mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2613) u32 flower_flag_bit, u32 dissector_flag_bit)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2614) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2615) if (dissector_mask & dissector_flag_bit) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2616) *flower_mask |= flower_flag_bit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2617) if (dissector_key & dissector_flag_bit)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2618) *flower_key |= flower_flag_bit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2619) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2620) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2621)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2622) static int fl_dump_key_flags(struct sk_buff *skb, u32 flags_key, u32 flags_mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2623) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2624) u32 key, mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2625) __be32 _key, _mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2626) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2627)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2628) if (!memchr_inv(&flags_mask, 0, sizeof(flags_mask)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2629) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2630)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2631) key = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2632) mask = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2633)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2634) fl_get_key_flag(flags_key, flags_mask, &key, &mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2635) TCA_FLOWER_KEY_FLAGS_IS_FRAGMENT, FLOW_DIS_IS_FRAGMENT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2636) fl_get_key_flag(flags_key, flags_mask, &key, &mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2637) TCA_FLOWER_KEY_FLAGS_FRAG_IS_FIRST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2638) FLOW_DIS_FIRST_FRAG);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2639)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2640) _key = cpu_to_be32(key);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2641) _mask = cpu_to_be32(mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2642)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2643) err = nla_put(skb, TCA_FLOWER_KEY_FLAGS, 4, &_key);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2644) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2645) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2646)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2647) return nla_put(skb, TCA_FLOWER_KEY_FLAGS_MASK, 4, &_mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2648) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2649)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2650) static int fl_dump_key_geneve_opt(struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2651) struct flow_dissector_key_enc_opts *enc_opts)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2652) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2653) struct geneve_opt *opt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2654) struct nlattr *nest;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2655) int opt_off = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2656)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2657) nest = nla_nest_start_noflag(skb, TCA_FLOWER_KEY_ENC_OPTS_GENEVE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2658) if (!nest)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2659) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2660)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2661) while (enc_opts->len > opt_off) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2662) opt = (struct geneve_opt *)&enc_opts->data[opt_off];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2663)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2664) if (nla_put_be16(skb, TCA_FLOWER_KEY_ENC_OPT_GENEVE_CLASS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2665) opt->opt_class))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2666) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2667) if (nla_put_u8(skb, TCA_FLOWER_KEY_ENC_OPT_GENEVE_TYPE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2668) opt->type))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2669) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2670) if (nla_put(skb, TCA_FLOWER_KEY_ENC_OPT_GENEVE_DATA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2671) opt->length * 4, opt->opt_data))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2672) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2673)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2674) opt_off += sizeof(struct geneve_opt) + opt->length * 4;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2675) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2676) nla_nest_end(skb, nest);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2677) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2678)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2679) nla_put_failure:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2680) nla_nest_cancel(skb, nest);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2681) return -EMSGSIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2682) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2683)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2684) static int fl_dump_key_vxlan_opt(struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2685) struct flow_dissector_key_enc_opts *enc_opts)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2686) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2687) struct vxlan_metadata *md;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2688) struct nlattr *nest;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2689)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2690) nest = nla_nest_start_noflag(skb, TCA_FLOWER_KEY_ENC_OPTS_VXLAN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2691) if (!nest)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2692) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2693)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2694) md = (struct vxlan_metadata *)&enc_opts->data[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2695) if (nla_put_u32(skb, TCA_FLOWER_KEY_ENC_OPT_VXLAN_GBP, md->gbp))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2696) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2697)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2698) nla_nest_end(skb, nest);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2699) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2700)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2701) nla_put_failure:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2702) nla_nest_cancel(skb, nest);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2703) return -EMSGSIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2704) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2705)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2706) static int fl_dump_key_erspan_opt(struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2707) struct flow_dissector_key_enc_opts *enc_opts)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2708) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2709) struct erspan_metadata *md;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2710) struct nlattr *nest;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2711)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2712) nest = nla_nest_start_noflag(skb, TCA_FLOWER_KEY_ENC_OPTS_ERSPAN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2713) if (!nest)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2714) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2715)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2716) md = (struct erspan_metadata *)&enc_opts->data[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2717) if (nla_put_u8(skb, TCA_FLOWER_KEY_ENC_OPT_ERSPAN_VER, md->version))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2718) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2719)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2720) if (md->version == 1 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2721) nla_put_be32(skb, TCA_FLOWER_KEY_ENC_OPT_ERSPAN_INDEX, md->u.index))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2722) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2723)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2724) if (md->version == 2 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2725) (nla_put_u8(skb, TCA_FLOWER_KEY_ENC_OPT_ERSPAN_DIR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2726) md->u.md2.dir) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2727) nla_put_u8(skb, TCA_FLOWER_KEY_ENC_OPT_ERSPAN_HWID,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2728) get_hwid(&md->u.md2))))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2729) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2730)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2731) nla_nest_end(skb, nest);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2732) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2733)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2734) nla_put_failure:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2735) nla_nest_cancel(skb, nest);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2736) return -EMSGSIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2737) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2738)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2739) static int fl_dump_key_ct(struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2740) struct flow_dissector_key_ct *key,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2741) struct flow_dissector_key_ct *mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2742) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2743) if (IS_ENABLED(CONFIG_NF_CONNTRACK) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2744) fl_dump_key_val(skb, &key->ct_state, TCA_FLOWER_KEY_CT_STATE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2745) &mask->ct_state, TCA_FLOWER_KEY_CT_STATE_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2746) sizeof(key->ct_state)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2747) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2748)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2749) if (IS_ENABLED(CONFIG_NF_CONNTRACK_ZONES) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2750) fl_dump_key_val(skb, &key->ct_zone, TCA_FLOWER_KEY_CT_ZONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2751) &mask->ct_zone, TCA_FLOWER_KEY_CT_ZONE_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2752) sizeof(key->ct_zone)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2753) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2754)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2755) if (IS_ENABLED(CONFIG_NF_CONNTRACK_MARK) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2756) fl_dump_key_val(skb, &key->ct_mark, TCA_FLOWER_KEY_CT_MARK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2757) &mask->ct_mark, TCA_FLOWER_KEY_CT_MARK_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2758) sizeof(key->ct_mark)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2759) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2760)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2761) if (IS_ENABLED(CONFIG_NF_CONNTRACK_LABELS) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2762) fl_dump_key_val(skb, &key->ct_labels, TCA_FLOWER_KEY_CT_LABELS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2763) &mask->ct_labels, TCA_FLOWER_KEY_CT_LABELS_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2764) sizeof(key->ct_labels)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2765) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2766)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2767) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2768)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2769) nla_put_failure:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2770) return -EMSGSIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2771) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2772)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2773) static int fl_dump_key_options(struct sk_buff *skb, int enc_opt_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2774) struct flow_dissector_key_enc_opts *enc_opts)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2775) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2776) struct nlattr *nest;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2777) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2778)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2779) if (!enc_opts->len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2780) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2781)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2782) nest = nla_nest_start_noflag(skb, enc_opt_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2783) if (!nest)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2784) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2785)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2786) switch (enc_opts->dst_opt_type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2787) case TUNNEL_GENEVE_OPT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2788) err = fl_dump_key_geneve_opt(skb, enc_opts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2789) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2790) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2791) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2792) case TUNNEL_VXLAN_OPT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2793) err = fl_dump_key_vxlan_opt(skb, enc_opts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2794) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2795) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2796) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2797) case TUNNEL_ERSPAN_OPT:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2798) err = fl_dump_key_erspan_opt(skb, enc_opts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2799) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2800) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2801) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2802) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2803) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2804) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2805) nla_nest_end(skb, nest);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2806) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2807)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2808) nla_put_failure:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2809) nla_nest_cancel(skb, nest);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2810) return -EMSGSIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2811) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2812)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2813) static int fl_dump_key_enc_opt(struct sk_buff *skb,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2814) struct flow_dissector_key_enc_opts *key_opts,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2815) struct flow_dissector_key_enc_opts *msk_opts)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2816) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2817) int err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2818)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2819) err = fl_dump_key_options(skb, TCA_FLOWER_KEY_ENC_OPTS, key_opts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2820) if (err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2821) return err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2822)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2823) return fl_dump_key_options(skb, TCA_FLOWER_KEY_ENC_OPTS_MASK, msk_opts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2824) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2825)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2826) static int fl_dump_key(struct sk_buff *skb, struct net *net,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2827) struct fl_flow_key *key, struct fl_flow_key *mask)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2828) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2829) if (mask->meta.ingress_ifindex) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2830) struct net_device *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2831)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2832) dev = __dev_get_by_index(net, key->meta.ingress_ifindex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2833) if (dev && nla_put_string(skb, TCA_FLOWER_INDEV, dev->name))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2834) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2835) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2836)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2837) if (fl_dump_key_val(skb, key->eth.dst, TCA_FLOWER_KEY_ETH_DST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2838) mask->eth.dst, TCA_FLOWER_KEY_ETH_DST_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2839) sizeof(key->eth.dst)) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2840) fl_dump_key_val(skb, key->eth.src, TCA_FLOWER_KEY_ETH_SRC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2841) mask->eth.src, TCA_FLOWER_KEY_ETH_SRC_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2842) sizeof(key->eth.src)) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2843) fl_dump_key_val(skb, &key->basic.n_proto, TCA_FLOWER_KEY_ETH_TYPE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2844) &mask->basic.n_proto, TCA_FLOWER_UNSPEC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2845) sizeof(key->basic.n_proto)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2846) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2847)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2848) if (fl_dump_key_mpls(skb, &key->mpls, &mask->mpls))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2849) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2850)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2851) if (fl_dump_key_vlan(skb, TCA_FLOWER_KEY_VLAN_ID,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2852) TCA_FLOWER_KEY_VLAN_PRIO, &key->vlan, &mask->vlan))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2853) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2854)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2855) if (fl_dump_key_vlan(skb, TCA_FLOWER_KEY_CVLAN_ID,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2856) TCA_FLOWER_KEY_CVLAN_PRIO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2857) &key->cvlan, &mask->cvlan) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2858) (mask->cvlan.vlan_tpid &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2859) nla_put_be16(skb, TCA_FLOWER_KEY_VLAN_ETH_TYPE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2860) key->cvlan.vlan_tpid)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2861) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2862)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2863) if (mask->basic.n_proto) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2864) if (mask->cvlan.vlan_tpid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2865) if (nla_put_be16(skb, TCA_FLOWER_KEY_CVLAN_ETH_TYPE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2866) key->basic.n_proto))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2867) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2868) } else if (mask->vlan.vlan_tpid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2869) if (nla_put_be16(skb, TCA_FLOWER_KEY_VLAN_ETH_TYPE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2870) key->basic.n_proto))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2871) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2872) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2873) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2874)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2875) if ((key->basic.n_proto == htons(ETH_P_IP) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2876) key->basic.n_proto == htons(ETH_P_IPV6)) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2877) (fl_dump_key_val(skb, &key->basic.ip_proto, TCA_FLOWER_KEY_IP_PROTO,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2878) &mask->basic.ip_proto, TCA_FLOWER_UNSPEC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2879) sizeof(key->basic.ip_proto)) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2880) fl_dump_key_ip(skb, false, &key->ip, &mask->ip)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2881) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2882)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2883) if (key->control.addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2884) (fl_dump_key_val(skb, &key->ipv4.src, TCA_FLOWER_KEY_IPV4_SRC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2885) &mask->ipv4.src, TCA_FLOWER_KEY_IPV4_SRC_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2886) sizeof(key->ipv4.src)) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2887) fl_dump_key_val(skb, &key->ipv4.dst, TCA_FLOWER_KEY_IPV4_DST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2888) &mask->ipv4.dst, TCA_FLOWER_KEY_IPV4_DST_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2889) sizeof(key->ipv4.dst))))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2890) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2891) else if (key->control.addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2892) (fl_dump_key_val(skb, &key->ipv6.src, TCA_FLOWER_KEY_IPV6_SRC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2893) &mask->ipv6.src, TCA_FLOWER_KEY_IPV6_SRC_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2894) sizeof(key->ipv6.src)) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2895) fl_dump_key_val(skb, &key->ipv6.dst, TCA_FLOWER_KEY_IPV6_DST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2896) &mask->ipv6.dst, TCA_FLOWER_KEY_IPV6_DST_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2897) sizeof(key->ipv6.dst))))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2898) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2899)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2900) if (key->basic.ip_proto == IPPROTO_TCP &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2901) (fl_dump_key_val(skb, &key->tp.src, TCA_FLOWER_KEY_TCP_SRC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2902) &mask->tp.src, TCA_FLOWER_KEY_TCP_SRC_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2903) sizeof(key->tp.src)) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2904) fl_dump_key_val(skb, &key->tp.dst, TCA_FLOWER_KEY_TCP_DST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2905) &mask->tp.dst, TCA_FLOWER_KEY_TCP_DST_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2906) sizeof(key->tp.dst)) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2907) fl_dump_key_val(skb, &key->tcp.flags, TCA_FLOWER_KEY_TCP_FLAGS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2908) &mask->tcp.flags, TCA_FLOWER_KEY_TCP_FLAGS_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2909) sizeof(key->tcp.flags))))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2910) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2911) else if (key->basic.ip_proto == IPPROTO_UDP &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2912) (fl_dump_key_val(skb, &key->tp.src, TCA_FLOWER_KEY_UDP_SRC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2913) &mask->tp.src, TCA_FLOWER_KEY_UDP_SRC_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2914) sizeof(key->tp.src)) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2915) fl_dump_key_val(skb, &key->tp.dst, TCA_FLOWER_KEY_UDP_DST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2916) &mask->tp.dst, TCA_FLOWER_KEY_UDP_DST_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2917) sizeof(key->tp.dst))))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2918) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2919) else if (key->basic.ip_proto == IPPROTO_SCTP &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2920) (fl_dump_key_val(skb, &key->tp.src, TCA_FLOWER_KEY_SCTP_SRC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2921) &mask->tp.src, TCA_FLOWER_KEY_SCTP_SRC_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2922) sizeof(key->tp.src)) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2923) fl_dump_key_val(skb, &key->tp.dst, TCA_FLOWER_KEY_SCTP_DST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2924) &mask->tp.dst, TCA_FLOWER_KEY_SCTP_DST_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2925) sizeof(key->tp.dst))))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2926) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2927) else if (key->basic.n_proto == htons(ETH_P_IP) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2928) key->basic.ip_proto == IPPROTO_ICMP &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2929) (fl_dump_key_val(skb, &key->icmp.type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2930) TCA_FLOWER_KEY_ICMPV4_TYPE, &mask->icmp.type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2931) TCA_FLOWER_KEY_ICMPV4_TYPE_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2932) sizeof(key->icmp.type)) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2933) fl_dump_key_val(skb, &key->icmp.code,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2934) TCA_FLOWER_KEY_ICMPV4_CODE, &mask->icmp.code,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2935) TCA_FLOWER_KEY_ICMPV4_CODE_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2936) sizeof(key->icmp.code))))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2937) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2938) else if (key->basic.n_proto == htons(ETH_P_IPV6) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2939) key->basic.ip_proto == IPPROTO_ICMPV6 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2940) (fl_dump_key_val(skb, &key->icmp.type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2941) TCA_FLOWER_KEY_ICMPV6_TYPE, &mask->icmp.type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2942) TCA_FLOWER_KEY_ICMPV6_TYPE_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2943) sizeof(key->icmp.type)) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2944) fl_dump_key_val(skb, &key->icmp.code,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2945) TCA_FLOWER_KEY_ICMPV6_CODE, &mask->icmp.code,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2946) TCA_FLOWER_KEY_ICMPV6_CODE_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2947) sizeof(key->icmp.code))))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2948) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2949) else if ((key->basic.n_proto == htons(ETH_P_ARP) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2950) key->basic.n_proto == htons(ETH_P_RARP)) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2951) (fl_dump_key_val(skb, &key->arp.sip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2952) TCA_FLOWER_KEY_ARP_SIP, &mask->arp.sip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2953) TCA_FLOWER_KEY_ARP_SIP_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2954) sizeof(key->arp.sip)) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2955) fl_dump_key_val(skb, &key->arp.tip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2956) TCA_FLOWER_KEY_ARP_TIP, &mask->arp.tip,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2957) TCA_FLOWER_KEY_ARP_TIP_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2958) sizeof(key->arp.tip)) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2959) fl_dump_key_val(skb, &key->arp.op,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2960) TCA_FLOWER_KEY_ARP_OP, &mask->arp.op,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2961) TCA_FLOWER_KEY_ARP_OP_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2962) sizeof(key->arp.op)) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2963) fl_dump_key_val(skb, key->arp.sha, TCA_FLOWER_KEY_ARP_SHA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2964) mask->arp.sha, TCA_FLOWER_KEY_ARP_SHA_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2965) sizeof(key->arp.sha)) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2966) fl_dump_key_val(skb, key->arp.tha, TCA_FLOWER_KEY_ARP_THA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2967) mask->arp.tha, TCA_FLOWER_KEY_ARP_THA_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2968) sizeof(key->arp.tha))))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2969) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2970)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2971) if ((key->basic.ip_proto == IPPROTO_TCP ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2972) key->basic.ip_proto == IPPROTO_UDP ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2973) key->basic.ip_proto == IPPROTO_SCTP) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2974) fl_dump_key_port_range(skb, key, mask))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2975) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2976)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2977) if (key->enc_control.addr_type == FLOW_DISSECTOR_KEY_IPV4_ADDRS &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2978) (fl_dump_key_val(skb, &key->enc_ipv4.src,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2979) TCA_FLOWER_KEY_ENC_IPV4_SRC, &mask->enc_ipv4.src,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2980) TCA_FLOWER_KEY_ENC_IPV4_SRC_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2981) sizeof(key->enc_ipv4.src)) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2982) fl_dump_key_val(skb, &key->enc_ipv4.dst,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2983) TCA_FLOWER_KEY_ENC_IPV4_DST, &mask->enc_ipv4.dst,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2984) TCA_FLOWER_KEY_ENC_IPV4_DST_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2985) sizeof(key->enc_ipv4.dst))))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2986) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2987) else if (key->enc_control.addr_type == FLOW_DISSECTOR_KEY_IPV6_ADDRS &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2988) (fl_dump_key_val(skb, &key->enc_ipv6.src,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2989) TCA_FLOWER_KEY_ENC_IPV6_SRC, &mask->enc_ipv6.src,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2990) TCA_FLOWER_KEY_ENC_IPV6_SRC_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2991) sizeof(key->enc_ipv6.src)) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2992) fl_dump_key_val(skb, &key->enc_ipv6.dst,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2993) TCA_FLOWER_KEY_ENC_IPV6_DST,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2994) &mask->enc_ipv6.dst,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2995) TCA_FLOWER_KEY_ENC_IPV6_DST_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2996) sizeof(key->enc_ipv6.dst))))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2997) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2998)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2999) if (fl_dump_key_val(skb, &key->enc_key_id, TCA_FLOWER_KEY_ENC_KEY_ID,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3000) &mask->enc_key_id, TCA_FLOWER_UNSPEC,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3001) sizeof(key->enc_key_id)) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3002) fl_dump_key_val(skb, &key->enc_tp.src,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3003) TCA_FLOWER_KEY_ENC_UDP_SRC_PORT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3004) &mask->enc_tp.src,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3005) TCA_FLOWER_KEY_ENC_UDP_SRC_PORT_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3006) sizeof(key->enc_tp.src)) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3007) fl_dump_key_val(skb, &key->enc_tp.dst,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3008) TCA_FLOWER_KEY_ENC_UDP_DST_PORT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3009) &mask->enc_tp.dst,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3010) TCA_FLOWER_KEY_ENC_UDP_DST_PORT_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3011) sizeof(key->enc_tp.dst)) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3012) fl_dump_key_ip(skb, true, &key->enc_ip, &mask->enc_ip) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3013) fl_dump_key_enc_opt(skb, &key->enc_opts, &mask->enc_opts))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3014) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3015)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3016) if (fl_dump_key_ct(skb, &key->ct, &mask->ct))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3017) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3018)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3019) if (fl_dump_key_flags(skb, key->control.flags, mask->control.flags))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3020) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3021)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3022) if (fl_dump_key_val(skb, &key->hash.hash, TCA_FLOWER_KEY_HASH,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3023) &mask->hash.hash, TCA_FLOWER_KEY_HASH_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3024) sizeof(key->hash.hash)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3025) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3026)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3027) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3028)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3029) nla_put_failure:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3030) return -EMSGSIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3031) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3032)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3033) static int fl_dump(struct net *net, struct tcf_proto *tp, void *fh,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3034) struct sk_buff *skb, struct tcmsg *t, bool rtnl_held)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3035) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3036) struct cls_fl_filter *f = fh;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3037) struct nlattr *nest;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3038) struct fl_flow_key *key, *mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3039) bool skip_hw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3040)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3041) if (!f)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3042) return skb->len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3043)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3044) t->tcm_handle = f->handle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3045)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3046) nest = nla_nest_start_noflag(skb, TCA_OPTIONS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3047) if (!nest)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3048) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3049)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3050) spin_lock(&tp->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3051)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3052) if (f->res.classid &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3053) nla_put_u32(skb, TCA_FLOWER_CLASSID, f->res.classid))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3054) goto nla_put_failure_locked;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3055)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3056) key = &f->key;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3057) mask = &f->mask->key;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3058) skip_hw = tc_skip_hw(f->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3059)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3060) if (fl_dump_key(skb, net, key, mask))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3061) goto nla_put_failure_locked;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3062)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3063) if (f->flags && nla_put_u32(skb, TCA_FLOWER_FLAGS, f->flags))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3064) goto nla_put_failure_locked;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3065)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3066) spin_unlock(&tp->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3067)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3068) if (!skip_hw)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3069) fl_hw_update_stats(tp, f, rtnl_held);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3070)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3071) if (nla_put_u32(skb, TCA_FLOWER_IN_HW_COUNT, f->in_hw_count))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3072) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3073)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3074) if (tcf_exts_dump(skb, &f->exts))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3075) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3076)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3077) nla_nest_end(skb, nest);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3078)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3079) if (tcf_exts_dump_stats(skb, &f->exts) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3080) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3081)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3082) return skb->len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3083)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3084) nla_put_failure_locked:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3085) spin_unlock(&tp->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3086) nla_put_failure:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3087) nla_nest_cancel(skb, nest);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3088) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3089) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3090)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3091) static int fl_terse_dump(struct net *net, struct tcf_proto *tp, void *fh,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3092) struct sk_buff *skb, struct tcmsg *t, bool rtnl_held)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3093) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3094) struct cls_fl_filter *f = fh;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3095) struct nlattr *nest;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3096) bool skip_hw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3097)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3098) if (!f)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3099) return skb->len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3101) t->tcm_handle = f->handle;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3103) nest = nla_nest_start_noflag(skb, TCA_OPTIONS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3104) if (!nest)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3105) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3107) spin_lock(&tp->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3108)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3109) skip_hw = tc_skip_hw(f->flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3111) if (f->flags && nla_put_u32(skb, TCA_FLOWER_FLAGS, f->flags))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3112) goto nla_put_failure_locked;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3114) spin_unlock(&tp->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3116) if (!skip_hw)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3117) fl_hw_update_stats(tp, f, rtnl_held);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3119) if (tcf_exts_terse_dump(skb, &f->exts))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3120) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3122) nla_nest_end(skb, nest);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3124) return skb->len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3126) nla_put_failure_locked:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3127) spin_unlock(&tp->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3128) nla_put_failure:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3129) nla_nest_cancel(skb, nest);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3130) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3131) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3133) static int fl_tmplt_dump(struct sk_buff *skb, struct net *net, void *tmplt_priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3134) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3135) struct fl_flow_tmplt *tmplt = tmplt_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3136) struct fl_flow_key *key, *mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3137) struct nlattr *nest;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3138)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3139) nest = nla_nest_start_noflag(skb, TCA_OPTIONS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3140) if (!nest)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3141) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3142)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3143) key = &tmplt->dummy_key;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3144) mask = &tmplt->mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3145)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3146) if (fl_dump_key(skb, net, key, mask))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3147) goto nla_put_failure;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3149) nla_nest_end(skb, nest);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3151) return skb->len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3152)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3153) nla_put_failure:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3154) nla_nest_cancel(skb, nest);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3155) return -EMSGSIZE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3156) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3157)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3158) static void fl_bind_class(void *fh, u32 classid, unsigned long cl, void *q,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3159) unsigned long base)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3160) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3161) struct cls_fl_filter *f = fh;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3162)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3163) if (f && f->res.classid == classid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3164) if (cl)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3165) __tcf_bind_filter(q, &f->res, base);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3166) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3167) __tcf_unbind_filter(q, &f->res);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3168) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3169) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3170)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3171) static bool fl_delete_empty(struct tcf_proto *tp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3172) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3173) struct cls_fl_head *head = fl_head_dereference(tp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3174)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3175) spin_lock(&tp->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3176) tp->deleting = idr_is_empty(&head->handle_idr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3177) spin_unlock(&tp->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3179) return tp->deleting;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3180) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3181)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3182) static struct tcf_proto_ops cls_fl_ops __read_mostly = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3183) .kind = "flower",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3184) .classify = fl_classify,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3185) .init = fl_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3186) .destroy = fl_destroy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3187) .get = fl_get,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3188) .put = fl_put,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3189) .change = fl_change,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3190) .delete = fl_delete,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3191) .delete_empty = fl_delete_empty,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3192) .walk = fl_walk,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3193) .reoffload = fl_reoffload,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3194) .hw_add = fl_hw_add,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3195) .hw_del = fl_hw_del,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3196) .dump = fl_dump,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3197) .terse_dump = fl_terse_dump,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3198) .bind_class = fl_bind_class,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3199) .tmplt_create = fl_tmplt_create,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3200) .tmplt_destroy = fl_tmplt_destroy,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3201) .tmplt_dump = fl_tmplt_dump,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3202) .owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3203) .flags = TCF_PROTO_OPS_DOIT_UNLOCKED,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3204) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3205)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3206) static int __init cls_fl_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3207) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3208) return register_tcf_proto_ops(&cls_fl_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3209) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3210)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3211) static void __exit cls_fl_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3212) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3213) unregister_tcf_proto_ops(&cls_fl_ops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3214) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3215)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3216) module_init(cls_fl_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3217) module_exit(cls_fl_exit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3218)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3219) MODULE_AUTHOR("Jiri Pirko <jiri@resnulli.us>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3220) MODULE_DESCRIPTION("Flower classifier");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3221) MODULE_LICENSE("GPL v2");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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