diff options
Diffstat (limited to 'drivers/net/vxlan.c')
| -rw-r--r-- | drivers/net/vxlan.c | 47 |
1 files changed, 22 insertions, 25 deletions
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c index d7c49cf1d5e9..19b9cc51079e 100644 --- a/drivers/net/vxlan.c +++ b/drivers/net/vxlan.c @@ -874,8 +874,8 @@ static int vxlan_fdb_add(struct ndmsg *ndm, struct nlattr *tb[], static int __vxlan_fdb_delete(struct vxlan_dev *vxlan, const unsigned char *addr, union vxlan_addr ip, - __be16 port, __be32 src_vni, u32 vni, u32 ifindex, - u16 vid) + __be16 port, __be32 src_vni, __be32 vni, + u32 ifindex, u16 vid) { struct vxlan_fdb *f; struct vxlan_rdst *rd = NULL; @@ -1623,26 +1623,19 @@ static struct sk_buff *vxlan_na_create(struct sk_buff *request, static int neigh_reduce(struct net_device *dev, struct sk_buff *skb, __be32 vni) { struct vxlan_dev *vxlan = netdev_priv(dev); - struct nd_msg *msg; - const struct ipv6hdr *iphdr; const struct in6_addr *daddr; - struct neighbour *n; + const struct ipv6hdr *iphdr; struct inet6_dev *in6_dev; + struct neighbour *n; + struct nd_msg *msg; in6_dev = __in6_dev_get(dev); if (!in6_dev) goto out; - if (!pskb_may_pull(skb, sizeof(struct ipv6hdr) + sizeof(struct nd_msg))) - goto out; - iphdr = ipv6_hdr(skb); daddr = &iphdr->daddr; - msg = (struct nd_msg *)(iphdr + 1); - if (msg->icmph.icmp6_code != 0 || - msg->icmph.icmp6_type != NDISC_NEIGHBOUR_SOLICITATION) - goto out; if (ipv6_addr_loopback(daddr) || ipv6_addr_is_multicast(&msg->target)) @@ -2240,11 +2233,11 @@ tx_error: static netdev_tx_t vxlan_xmit(struct sk_buff *skb, struct net_device *dev) { struct vxlan_dev *vxlan = netdev_priv(dev); + struct vxlan_rdst *rdst, *fdst = NULL; const struct ip_tunnel_info *info; - struct ethhdr *eth; bool did_rsc = false; - struct vxlan_rdst *rdst, *fdst = NULL; struct vxlan_fdb *f; + struct ethhdr *eth; __be32 vni = 0; info = skb_tunnel_info(skb); @@ -2269,12 +2262,14 @@ static netdev_tx_t vxlan_xmit(struct sk_buff *skb, struct net_device *dev) if (ntohs(eth->h_proto) == ETH_P_ARP) return arp_reduce(dev, skb, vni); #if IS_ENABLED(CONFIG_IPV6) - else if (ntohs(eth->h_proto) == ETH_P_IPV6) { - struct ipv6hdr *hdr, _hdr; - if ((hdr = skb_header_pointer(skb, - skb_network_offset(skb), - sizeof(_hdr), &_hdr)) && - hdr->nexthdr == IPPROTO_ICMPV6) + else if (ntohs(eth->h_proto) == ETH_P_IPV6 && + pskb_may_pull(skb, sizeof(struct ipv6hdr) + + sizeof(struct nd_msg)) && + ipv6_hdr(skb)->nexthdr == IPPROTO_ICMPV6) { + struct nd_msg *m = (struct nd_msg *)(ipv6_hdr(skb) + 1); + + if (m->icmph.icmp6_code == 0 && + m->icmph.icmp6_type == NDISC_NEIGHBOUR_SOLICITATION) return neigh_reduce(dev, skb, vni); } #endif @@ -2325,9 +2320,9 @@ static netdev_tx_t vxlan_xmit(struct sk_buff *skb, struct net_device *dev) } /* Walk the forwarding table and purge stale entries */ -static void vxlan_cleanup(unsigned long arg) +static void vxlan_cleanup(struct timer_list *t) { - struct vxlan_dev *vxlan = (struct vxlan_dev *) arg; + struct vxlan_dev *vxlan = from_timer(vxlan, t, age_timer); unsigned long next_timer = jiffies + FDB_AGE_INTERVAL; unsigned int h; @@ -2647,9 +2642,7 @@ static void vxlan_setup(struct net_device *dev) INIT_LIST_HEAD(&vxlan->next); spin_lock_init(&vxlan->hash_lock); - init_timer_deferrable(&vxlan->age_timer); - vxlan->age_timer.function = vxlan_cleanup; - vxlan->age_timer.data = (unsigned long) vxlan; + timer_setup(&vxlan->age_timer, vxlan_cleanup, TIMER_DEFERRABLE); vxlan->dev = dev; @@ -3704,6 +3697,7 @@ static void __net_exit vxlan_exit_net(struct net *net) struct vxlan_net *vn = net_generic(net, vxlan_net_id); struct vxlan_dev *vxlan, *next; struct net_device *dev, *aux; + unsigned int h; LIST_HEAD(list); rtnl_lock(); @@ -3723,6 +3717,9 @@ static void __net_exit vxlan_exit_net(struct net *net) unregister_netdevice_many(&list); rtnl_unlock(); + + for (h = 0; h < PORT_HASH_SIZE; ++h) + WARN_ON_ONCE(!hlist_empty(&vn->sock_list[h])); } static struct pernet_operations vxlan_net_ops = { |