diff options
Diffstat (limited to 'drivers/net/geneve.c')
-rw-r--r-- | drivers/net/geneve.c | 246 |
1 files changed, 142 insertions, 104 deletions
diff --git a/drivers/net/geneve.c b/drivers/net/geneve.c index dec52b763d50..c71f994fbc73 100644 --- a/drivers/net/geneve.c +++ b/drivers/net/geneve.c @@ -48,6 +48,14 @@ struct geneve_dev_node { struct geneve_dev *geneve; }; +struct geneve_config { + struct ip_tunnel_info info; + bool collect_md; + bool use_udp6_rx_checksums; + bool ttl_inherit; + enum ifla_geneve_df df; +}; + /* Pseudo network device */ struct geneve_dev { struct geneve_dev_node hlist4; /* vni hash table for IPv4 socket */ @@ -56,17 +64,13 @@ struct geneve_dev { #endif struct net *net; /* netns for packet i/o */ struct net_device *dev; /* netdev for geneve tunnel */ - struct ip_tunnel_info info; struct geneve_sock __rcu *sock4; /* IPv4 socket used for geneve tunnel */ #if IS_ENABLED(CONFIG_IPV6) struct geneve_sock __rcu *sock6; /* IPv6 socket used for geneve tunnel */ #endif struct list_head next; /* geneve's per namespace list */ struct gro_cells gro_cells; - bool collect_md; - bool use_udp6_rx_checksums; - bool ttl_inherit; - enum ifla_geneve_df df; + struct geneve_config cfg; }; struct geneve_sock { @@ -132,8 +136,8 @@ static struct geneve_dev *geneve_lookup(struct geneve_sock *gs, hash = geneve_net_vni_hash(vni); vni_list_head = &gs->vni_list[hash]; hlist_for_each_entry_rcu(node, vni_list_head, hlist) { - if (eq_tun_id_and_vni((u8 *)&node->geneve->info.key.tun_id, vni) && - addr == node->geneve->info.key.u.ipv4.dst) + if (eq_tun_id_and_vni((u8 *)&node->geneve->cfg.info.key.tun_id, vni) && + addr == node->geneve->cfg.info.key.u.ipv4.dst) return node->geneve; } return NULL; @@ -151,8 +155,8 @@ static struct geneve_dev *geneve6_lookup(struct geneve_sock *gs, hash = geneve_net_vni_hash(vni); vni_list_head = &gs->vni_list[hash]; hlist_for_each_entry_rcu(node, vni_list_head, hlist) { - if (eq_tun_id_and_vni((u8 *)&node->geneve->info.key.tun_id, vni) && - ipv6_addr_equal(&addr6, &node->geneve->info.key.u.ipv6.dst)) + if (eq_tun_id_and_vni((u8 *)&node->geneve->cfg.info.key.tun_id, vni) && + ipv6_addr_equal(&addr6, &node->geneve->cfg.info.key.u.ipv6.dst)) return node->geneve; } return NULL; @@ -321,7 +325,7 @@ static int geneve_init(struct net_device *dev) return err; } - err = dst_cache_init(&geneve->info.dst_cache, GFP_KERNEL); + err = dst_cache_init(&geneve->cfg.info.dst_cache, GFP_KERNEL); if (err) { free_percpu(dev->tstats); gro_cells_destroy(&geneve->gro_cells); @@ -334,7 +338,7 @@ static void geneve_uninit(struct net_device *dev) { struct geneve_dev *geneve = netdev_priv(dev); - dst_cache_destroy(&geneve->info.dst_cache); + dst_cache_destroy(&geneve->cfg.info.dst_cache); gro_cells_destroy(&geneve->gro_cells); free_percpu(dev->tstats); } @@ -654,19 +658,19 @@ static int geneve_sock_add(struct geneve_dev *geneve, bool ipv6) __u8 vni[3]; __u32 hash; - gs = geneve_find_sock(gn, ipv6 ? AF_INET6 : AF_INET, geneve->info.key.tp_dst); + gs = geneve_find_sock(gn, ipv6 ? AF_INET6 : AF_INET, geneve->cfg.info.key.tp_dst); if (gs) { gs->refcnt++; goto out; } - gs = geneve_socket_create(net, geneve->info.key.tp_dst, ipv6, - geneve->use_udp6_rx_checksums); + gs = geneve_socket_create(net, geneve->cfg.info.key.tp_dst, ipv6, + geneve->cfg.use_udp6_rx_checksums); if (IS_ERR(gs)) return PTR_ERR(gs); out: - gs->collect_md = geneve->collect_md; + gs->collect_md = geneve->cfg.collect_md; #if IS_ENABLED(CONFIG_IPV6) if (ipv6) { rcu_assign_pointer(geneve->sock6, gs); @@ -679,7 +683,7 @@ out: } node->geneve = geneve; - tunnel_id_to_vni(geneve->info.key.tun_id, vni); + tunnel_id_to_vni(geneve->cfg.info.key.tun_id, vni); hash = geneve_net_vni_hash(vni); hlist_add_head_rcu(&node->hlist, &gs->vni_list[hash]); return 0; @@ -688,11 +692,11 @@ out: static int geneve_open(struct net_device *dev) { struct geneve_dev *geneve = netdev_priv(dev); - bool metadata = geneve->collect_md; + bool metadata = geneve->cfg.collect_md; bool ipv4, ipv6; int ret = 0; - ipv6 = geneve->info.mode & IP_TUNNEL_INFO_IPV6 || metadata; + ipv6 = geneve->cfg.info.mode & IP_TUNNEL_INFO_IPV6 || metadata; ipv4 = !ipv6 || metadata; #if IS_ENABLED(CONFIG_IPV6) if (ipv6) { @@ -791,7 +795,7 @@ static struct rtable *geneve_get_v4_rt(struct sk_buff *skb, fl4->saddr = info->key.u.ipv4.src; tos = info->key.tos; - if ((tos == 1) && !geneve->collect_md) { + if ((tos == 1) && !geneve->cfg.collect_md) { tos = ip_tunnel_get_dsfield(ip_hdr(skb), skb); use_cache = false; } @@ -840,7 +844,7 @@ static struct dst_entry *geneve_get_v6_dst(struct sk_buff *skb, fl6->daddr = info->key.u.ipv6.dst; fl6->saddr = info->key.u.ipv6.src; prio = info->key.tos; - if ((prio == 1) && !geneve->collect_md) { + if ((prio == 1) && !geneve->cfg.collect_md) { prio = ip_tunnel_get_dsfield(ip_hdr(skb), skb); use_cache = false; } @@ -889,26 +893,49 @@ static int geneve_xmit_skb(struct sk_buff *skb, struct net_device *dev, if (IS_ERR(rt)) return PTR_ERR(rt); - skb_tunnel_check_pmtu(skb, &rt->dst, - GENEVE_IPV4_HLEN + info->options_len); + err = skb_tunnel_check_pmtu(skb, &rt->dst, + GENEVE_IPV4_HLEN + info->options_len, + netif_is_any_bridge_port(dev)); + if (err < 0) { + dst_release(&rt->dst); + return err; + } else if (err) { + struct ip_tunnel_info *info; + + info = skb_tunnel_info(skb); + if (info) { + info->key.u.ipv4.dst = fl4.saddr; + info->key.u.ipv4.src = fl4.daddr; + } + + if (!pskb_may_pull(skb, ETH_HLEN)) { + dst_release(&rt->dst); + return -EINVAL; + } + + skb->protocol = eth_type_trans(skb, geneve->dev); + netif_rx(skb); + dst_release(&rt->dst); + return -EMSGSIZE; + } sport = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true); - if (geneve->collect_md) { + if (geneve->cfg.collect_md) { tos = ip_tunnel_ecn_encap(key->tos, ip_hdr(skb), skb); ttl = key->ttl; df = key->tun_flags & TUNNEL_DONT_FRAGMENT ? htons(IP_DF) : 0; } else { tos = ip_tunnel_ecn_encap(fl4.flowi4_tos, ip_hdr(skb), skb); - if (geneve->ttl_inherit) + if (geneve->cfg.ttl_inherit) ttl = ip_tunnel_get_ttl(ip_hdr(skb), skb); else ttl = key->ttl; ttl = ttl ? : ip4_dst_hoplimit(&rt->dst); - if (geneve->df == GENEVE_DF_SET) { + if (geneve->cfg.df == GENEVE_DF_SET) { df = htons(IP_DF); - } else if (geneve->df == GENEVE_DF_INHERIT) { + } else if (geneve->cfg.df == GENEVE_DF_INHERIT) { struct ethhdr *eth = eth_hdr(skb); if (ntohs(eth->h_proto) == ETH_P_IPV6) { @@ -927,7 +954,7 @@ static int geneve_xmit_skb(struct sk_buff *skb, struct net_device *dev, return err; udp_tunnel_xmit_skb(rt, gs4->sock->sk, skb, fl4.saddr, fl4.daddr, - tos, ttl, df, sport, geneve->info.key.tp_dst, + tos, ttl, df, sport, geneve->cfg.info.key.tp_dst, !net_eq(geneve->net, dev_net(geneve->dev)), !(info->key.tun_flags & TUNNEL_CSUM)); return 0; @@ -951,16 +978,39 @@ static int geneve6_xmit_skb(struct sk_buff *skb, struct net_device *dev, if (IS_ERR(dst)) return PTR_ERR(dst); - skb_tunnel_check_pmtu(skb, dst, GENEVE_IPV6_HLEN + info->options_len); + err = skb_tunnel_check_pmtu(skb, dst, + GENEVE_IPV6_HLEN + info->options_len, + netif_is_any_bridge_port(dev)); + if (err < 0) { + dst_release(dst); + return err; + } else if (err) { + struct ip_tunnel_info *info = skb_tunnel_info(skb); + + if (info) { + info->key.u.ipv6.dst = fl6.saddr; + info->key.u.ipv6.src = fl6.daddr; + } + + if (!pskb_may_pull(skb, ETH_HLEN)) { + dst_release(dst); + return -EINVAL; + } + + skb->protocol = eth_type_trans(skb, geneve->dev); + netif_rx(skb); + dst_release(dst); + return -EMSGSIZE; + } sport = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true); - if (geneve->collect_md) { + if (geneve->cfg.collect_md) { prio = ip_tunnel_ecn_encap(key->tos, ip_hdr(skb), skb); ttl = key->ttl; } else { prio = ip_tunnel_ecn_encap(ip6_tclass(fl6.flowlabel), ip_hdr(skb), skb); - if (geneve->ttl_inherit) + if (geneve->cfg.ttl_inherit) ttl = ip_tunnel_get_ttl(ip_hdr(skb), skb); else ttl = key->ttl; @@ -972,7 +1022,7 @@ static int geneve6_xmit_skb(struct sk_buff *skb, struct net_device *dev, udp_tunnel6_xmit_skb(dst, gs6->sock->sk, skb, dev, &fl6.saddr, &fl6.daddr, prio, ttl, - info->key.label, sport, geneve->info.key.tp_dst, + info->key.label, sport, geneve->cfg.info.key.tp_dst, !(info->key.tun_flags & TUNNEL_CSUM)); return 0; } @@ -984,7 +1034,7 @@ static netdev_tx_t geneve_xmit(struct sk_buff *skb, struct net_device *dev) struct ip_tunnel_info *info = NULL; int err; - if (geneve->collect_md) { + if (geneve->cfg.collect_md) { info = skb_tunnel_info(skb); if (unlikely(!info || !(info->mode & IP_TUNNEL_INFO_TX))) { netdev_dbg(dev, "no tunnel metadata\n"); @@ -993,7 +1043,7 @@ static netdev_tx_t geneve_xmit(struct sk_buff *skb, struct net_device *dev) return NETDEV_TX_OK; } } else { - info = &geneve->info; + info = &geneve->cfg.info; } rcu_read_lock(); @@ -1008,7 +1058,8 @@ static netdev_tx_t geneve_xmit(struct sk_buff *skb, struct net_device *dev) if (likely(!err)) return NETDEV_TX_OK; - dev_kfree_skb(skb); + if (err != -EMSGSIZE) + dev_kfree_skb(skb); if (err == -ELOOP) dev->stats.collisions++; @@ -1065,7 +1116,7 @@ static int geneve_fill_metadata_dst(struct net_device *dev, struct sk_buff *skb) info->key.tp_src = udp_flow_src_port(geneve->net, skb, 1, USHRT_MAX, true); - info->key.tp_dst = geneve->info.key.tp_dst; + info->key.tp_dst = geneve->cfg.info.key.tp_dst; return 0; } @@ -1227,13 +1278,13 @@ static struct geneve_dev *geneve_find_dev(struct geneve_net *gn, *tun_on_same_port = false; *tun_collect_md = false; list_for_each_entry(geneve, &gn->geneve_list, next) { - if (info->key.tp_dst == geneve->info.key.tp_dst) { - *tun_collect_md = geneve->collect_md; + if (info->key.tp_dst == geneve->cfg.info.key.tp_dst) { + *tun_collect_md = geneve->cfg.collect_md; *tun_on_same_port = true; } - if (info->key.tun_id == geneve->info.key.tun_id && - info->key.tp_dst == geneve->info.key.tp_dst && - !memcmp(&info->key.u, &geneve->info.key.u, sizeof(info->key.u))) + if (info->key.tun_id == geneve->cfg.info.key.tun_id && + info->key.tp_dst == geneve->cfg.info.key.tp_dst && + !memcmp(&info->key.u, &geneve->cfg.info.key.u, sizeof(info->key.u))) t = geneve; } return t; @@ -1257,16 +1308,15 @@ static bool geneve_dst_addr_equal(struct ip_tunnel_info *a, static int geneve_configure(struct net *net, struct net_device *dev, struct netlink_ext_ack *extack, - const struct ip_tunnel_info *info, - bool metadata, bool ipv6_rx_csum, - bool ttl_inherit, enum ifla_geneve_df df) + const struct geneve_config *cfg) { struct geneve_net *gn = net_generic(net, geneve_net_id); struct geneve_dev *t, *geneve = netdev_priv(dev); + const struct ip_tunnel_info *info = &cfg->info; bool tun_collect_md, tun_on_same_port; int err, encap_len; - if (metadata && !is_tnl_info_zero(info)) { + if (cfg->collect_md && !is_tnl_info_zero(info)) { NL_SET_ERR_MSG(extack, "Device is externally controlled, so attributes (VNI, Port, and so on) must not be specified"); return -EINVAL; @@ -1281,7 +1331,7 @@ static int geneve_configure(struct net *net, struct net_device *dev, /* make enough headroom for basic scenario */ encap_len = GENEVE_BASE_HLEN + ETH_HLEN; - if (!metadata && ip_tunnel_info_af(info) == AF_INET) { + if (!cfg->collect_md && ip_tunnel_info_af(info) == AF_INET) { encap_len += sizeof(struct iphdr); dev->max_mtu -= sizeof(struct iphdr); } else { @@ -1290,7 +1340,7 @@ static int geneve_configure(struct net *net, struct net_device *dev, } dev->needed_headroom = encap_len + ETH_HLEN; - if (metadata) { + if (cfg->collect_md) { if (tun_on_same_port) { NL_SET_ERR_MSG(extack, "There can be only one externally controlled device on a destination port"); @@ -1304,12 +1354,8 @@ static int geneve_configure(struct net *net, struct net_device *dev, } } - dst_cache_reset(&geneve->info.dst_cache); - geneve->info = *info; - geneve->collect_md = metadata; - geneve->use_udp6_rx_checksums = ipv6_rx_csum; - geneve->ttl_inherit = ttl_inherit; - geneve->df = df; + dst_cache_reset(&geneve->cfg.info.dst_cache); + memcpy(&geneve->cfg, cfg, sizeof(*cfg)); err = register_netdevice(dev); if (err) @@ -1327,10 +1373,9 @@ static void init_tnl_info(struct ip_tunnel_info *info, __u16 dst_port) static int geneve_nl2info(struct nlattr *tb[], struct nlattr *data[], struct netlink_ext_ack *extack, - struct ip_tunnel_info *info, bool *metadata, - bool *use_udp6_rx_checksums, bool *ttl_inherit, - enum ifla_geneve_df *df, bool changelink) + struct geneve_config *cfg, bool changelink) { + struct ip_tunnel_info *info = &cfg->info; int attrtype; if (data[IFLA_GENEVE_REMOTE] && data[IFLA_GENEVE_REMOTE6]) { @@ -1378,7 +1423,7 @@ static int geneve_nl2info(struct nlattr *tb[], struct nlattr *data[], return -EINVAL; } info->key.tun_flags |= TUNNEL_CSUM; - *use_udp6_rx_checksums = true; + cfg->use_udp6_rx_checksums = true; #else NL_SET_ERR_MSG_ATTR(extack, data[IFLA_GENEVE_REMOTE6], "IPv6 support not enabled in the kernel"); @@ -1406,19 +1451,19 @@ static int geneve_nl2info(struct nlattr *tb[], struct nlattr *data[], if (data[IFLA_GENEVE_TTL_INHERIT]) { if (nla_get_u8(data[IFLA_GENEVE_TTL_INHERIT])) - *ttl_inherit = true; + cfg->ttl_inherit = true; else - *ttl_inherit = false; + cfg->ttl_inherit = false; } else if (data[IFLA_GENEVE_TTL]) { info->key.ttl = nla_get_u8(data[IFLA_GENEVE_TTL]); - *ttl_inherit = false; + cfg->ttl_inherit = false; } if (data[IFLA_GENEVE_TOS]) info->key.tos = nla_get_u8(data[IFLA_GENEVE_TOS]); if (data[IFLA_GENEVE_DF]) - *df = nla_get_u8(data[IFLA_GENEVE_DF]); + cfg->df = nla_get_u8(data[IFLA_GENEVE_DF]); if (data[IFLA_GENEVE_LABEL]) { info->key.label = nla_get_be32(data[IFLA_GENEVE_LABEL]) & @@ -1443,7 +1488,7 @@ static int geneve_nl2info(struct nlattr *tb[], struct nlattr *data[], attrtype = IFLA_GENEVE_COLLECT_METADATA; goto change_notsup; } - *metadata = true; + cfg->collect_md = true; } if (data[IFLA_GENEVE_UDP_CSUM]) { @@ -1477,7 +1522,7 @@ static int geneve_nl2info(struct nlattr *tb[], struct nlattr *data[], goto change_notsup; } if (nla_get_u8(data[IFLA_GENEVE_UDP_ZERO_CSUM6_RX])) - *use_udp6_rx_checksums = false; + cfg->use_udp6_rx_checksums = false; #else NL_SET_ERR_MSG_ATTR(extack, data[IFLA_GENEVE_UDP_ZERO_CSUM6_RX], "IPv6 support not enabled in the kernel"); @@ -1542,25 +1587,24 @@ static int geneve_newlink(struct net *net, struct net_device *dev, struct nlattr *tb[], struct nlattr *data[], struct netlink_ext_ack *extack) { - enum ifla_geneve_df df = GENEVE_DF_UNSET; - bool use_udp6_rx_checksums = false; - struct ip_tunnel_info info; - bool ttl_inherit = false; - bool metadata = false; + struct geneve_config cfg = { + .df = GENEVE_DF_UNSET, + .use_udp6_rx_checksums = false, + .ttl_inherit = false, + .collect_md = false, + }; int err; - init_tnl_info(&info, GENEVE_UDP_PORT); - err = geneve_nl2info(tb, data, extack, &info, &metadata, - &use_udp6_rx_checksums, &ttl_inherit, &df, false); + init_tnl_info(&cfg.info, GENEVE_UDP_PORT); + err = geneve_nl2info(tb, data, extack, &cfg, false); if (err) return err; - err = geneve_configure(net, dev, extack, &info, metadata, - use_udp6_rx_checksums, ttl_inherit, df); + err = geneve_configure(net, dev, extack, &cfg); if (err) return err; - geneve_link_config(dev, &info, tb); + geneve_link_config(dev, &cfg.info, tb); return 0; } @@ -1615,41 +1659,29 @@ static int geneve_changelink(struct net_device *dev, struct nlattr *tb[], struct netlink_ext_ack *extack) { struct geneve_dev *geneve = netdev_priv(dev); - enum ifla_geneve_df df = geneve->df; struct geneve_sock *gs4, *gs6; - struct ip_tunnel_info info; - bool metadata; - bool use_udp6_rx_checksums; - bool ttl_inherit; + struct geneve_config cfg; int err; /* If the geneve device is configured for metadata (or externally * controlled, for example, OVS), then nothing can be changed. */ - if (geneve->collect_md) + if (geneve->cfg.collect_md) return -EOPNOTSUPP; /* Start with the existing info. */ - memcpy(&info, &geneve->info, sizeof(info)); - metadata = geneve->collect_md; - use_udp6_rx_checksums = geneve->use_udp6_rx_checksums; - ttl_inherit = geneve->ttl_inherit; - err = geneve_nl2info(tb, data, extack, &info, &metadata, - &use_udp6_rx_checksums, &ttl_inherit, &df, true); + memcpy(&cfg, &geneve->cfg, sizeof(cfg)); + err = geneve_nl2info(tb, data, extack, &cfg, true); if (err) return err; - if (!geneve_dst_addr_equal(&geneve->info, &info)) { - dst_cache_reset(&info.dst_cache); - geneve_link_config(dev, &info, tb); + if (!geneve_dst_addr_equal(&geneve->cfg.info, &cfg.info)) { + dst_cache_reset(&cfg.info.dst_cache); + geneve_link_config(dev, &cfg.info, tb); } geneve_quiesce(geneve, &gs4, &gs6); - geneve->info = info; - geneve->collect_md = metadata; - geneve->use_udp6_rx_checksums = use_udp6_rx_checksums; - geneve->ttl_inherit = ttl_inherit; - geneve->df = df; + memcpy(&geneve->cfg, &cfg, sizeof(cfg)); geneve_unquiesce(geneve, gs4, gs6); return 0; @@ -1683,9 +1715,9 @@ static size_t geneve_get_size(const struct net_device *dev) static int geneve_fill_info(struct sk_buff *skb, const struct net_device *dev) { struct geneve_dev *geneve = netdev_priv(dev); - struct ip_tunnel_info *info = &geneve->info; - bool ttl_inherit = geneve->ttl_inherit; - bool metadata = geneve->collect_md; + struct ip_tunnel_info *info = &geneve->cfg.info; + bool ttl_inherit = geneve->cfg.ttl_inherit; + bool metadata = geneve->cfg.collect_md; __u8 tmp_vni[3]; __u32 vni; @@ -1718,7 +1750,7 @@ static int geneve_fill_info(struct sk_buff *skb, const struct net_device *dev) nla_put_be32(skb, IFLA_GENEVE_LABEL, info->key.label)) goto nla_put_failure; - if (nla_put_u8(skb, IFLA_GENEVE_DF, geneve->df)) + if (nla_put_u8(skb, IFLA_GENEVE_DF, geneve->cfg.df)) goto nla_put_failure; if (nla_put_be16(skb, IFLA_GENEVE_PORT, info->key.tp_dst)) @@ -1729,7 +1761,7 @@ static int geneve_fill_info(struct sk_buff *skb, const struct net_device *dev) #if IS_ENABLED(CONFIG_IPV6) if (nla_put_u8(skb, IFLA_GENEVE_UDP_ZERO_CSUM6_RX, - !geneve->use_udp6_rx_checksums)) + !geneve->cfg.use_udp6_rx_checksums)) goto nla_put_failure; #endif @@ -1760,10 +1792,15 @@ struct net_device *geneve_dev_create_fb(struct net *net, const char *name, u8 name_assign_type, u16 dst_port) { struct nlattr *tb[IFLA_MAX + 1]; - struct ip_tunnel_info info; struct net_device *dev; LIST_HEAD(list_kill); int err; + struct geneve_config cfg = { + .df = GENEVE_DF_UNSET, + .use_udp6_rx_checksums = true, + .ttl_inherit = false, + .collect_md = true, + }; memset(tb, 0, sizeof(tb)); dev = rtnl_create_link(net, name, name_assign_type, @@ -1771,9 +1808,8 @@ struct net_device *geneve_dev_create_fb(struct net *net, const char *name, if (IS_ERR(dev)) return dev; - init_tnl_info(&info, dst_port); - err = geneve_configure(net, dev, NULL, &info, - true, true, false, GENEVE_DF_UNSET); + init_tnl_info(&cfg.info, dst_port); + err = geneve_configure(net, dev, NULL, &cfg); if (err) { free_netdev(dev); return ERR_PTR(err); @@ -1807,9 +1843,11 @@ static int geneve_netdevice_event(struct notifier_block *unused, event == NETDEV_UDP_TUNNEL_DROP_INFO) { geneve_offload_rx_ports(dev, event == NETDEV_UDP_TUNNEL_PUSH_INFO); } else if (event == NETDEV_UNREGISTER) { - geneve_offload_rx_ports(dev, false); + if (!dev->udp_tunnel_nic_info) + geneve_offload_rx_ports(dev, false); } else if (event == NETDEV_REGISTER) { - geneve_offload_rx_ports(dev, true); + if (!dev->udp_tunnel_nic_info) + geneve_offload_rx_ports(dev, true); } return NOTIFY_DONE; |