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geneve: Remove socket and offload handlers at destruction.

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Sockets aren't currently removed from the the global list when
they are destroyed. In addition, offload handlers need to be cleaned
up as well.

Fixes: 0b5e8b8e ("net: Add Geneve tunneling protocol driver")
CC: Andy Zhou <azhou@nicira.com>
Signed-off-by: Jesse Gross <jesse@nicira.com>
Acked-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jesse Gross 2014-12-16 18:25:31 -08:00 committed by David S. Miller
parent a18e6a186f
commit 7ed767f731
1 changed files with 17 additions and 0 deletions
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17
net/ipv4/geneve.c
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@ -159,6 +159,15 @@ static void geneve_notify_add_rx_port(struct geneve_sock *gs)
}
}
static void geneve_notify_del_rx_port(struct geneve_sock *gs)
{
struct sock *sk = gs->sock->sk;
sa_family_t sa_family = sk->sk_family;
if (sa_family == AF_INET)
udp_del_offload(&gs->udp_offloads);
}
/* Callback from net/ipv4/udp.c to receive packets */
static int geneve_udp_encap_recv(struct sock *sk, struct sk_buff *skb)
{
@ -312,9 +321,17 @@ EXPORT_SYMBOL_GPL(geneve_sock_add);
void geneve_sock_release(struct geneve_sock *gs)
{
struct net *net = sock_net(gs->sock->sk);
struct geneve_net *gn = net_generic(net, geneve_net_id);
if (!atomic_dec_and_test(&gs->refcnt))
return;
spin_lock(&gn->sock_lock);
hlist_del_rcu(&gs->hlist);
geneve_notify_del_rx_port(gs);
spin_unlock(&gn->sock_lock);
queue_work(geneve_wq, &gs->del_work);
}
EXPORT_SYMBOL_GPL(geneve_sock_release);