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authorTom Herbert <tom@herbertland.com>2016-05-18 19:06:14 +0300
committerDavid S. Miller <davem@davemloft.net>2016-05-21 01:03:16 +0300
commit440924bbc0e11fb429ccc25f6d9597d5a7a02296 (patch)
tree48f99095c115245741457db2a77ba00a1fdf6ffb
parent55c2bc1432241e7be39b11339bd00e85f878ebd6 (diff)
downloadlinux-440924bbc0e11fb429ccc25f6d9597d5a7a02296.tar.xz
fou: Call setup_udp_tunnel_sock
Use helper function to set up UDP tunnel related information for a fou socket. Signed-off-by: Tom Herbert <tom@herbertland.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/ipv4/fou.c50
1 files changed, 16 insertions, 34 deletions
diff --git a/net/ipv4/fou.c b/net/ipv4/fou.c
index eeec7d60e5fd..6cbc72535426 100644
--- a/net/ipv4/fou.c
+++ b/net/ipv4/fou.c
@@ -448,31 +448,13 @@ static void fou_release(struct fou *fou)
kfree_rcu(fou, rcu);
}
-static int fou_encap_init(struct sock *sk, struct fou *fou, struct fou_cfg *cfg)
-{
- udp_sk(sk)->encap_rcv = fou_udp_recv;
- udp_sk(sk)->gro_receive = fou_gro_receive;
- udp_sk(sk)->gro_complete = fou_gro_complete;
- fou_from_sock(sk)->protocol = cfg->protocol;
-
- return 0;
-}
-
-static int gue_encap_init(struct sock *sk, struct fou *fou, struct fou_cfg *cfg)
-{
- udp_sk(sk)->encap_rcv = gue_udp_recv;
- udp_sk(sk)->gro_receive = gue_gro_receive;
- udp_sk(sk)->gro_complete = gue_gro_complete;
-
- return 0;
-}
-
static int fou_create(struct net *net, struct fou_cfg *cfg,
struct socket **sockp)
{
struct socket *sock = NULL;
struct fou *fou = NULL;
struct sock *sk;
+ struct udp_tunnel_sock_cfg tunnel_cfg;
int err;
/* Open UDP socket */
@@ -491,33 +473,33 @@ static int fou_create(struct net *net, struct fou_cfg *cfg,
fou->flags = cfg->flags;
fou->port = cfg->udp_config.local_udp_port;
+ fou->type = cfg->type;
+ fou->sock = sock;
+
+ memset(&tunnel_cfg, 0, sizeof(tunnel_cfg));
+ tunnel_cfg.encap_type = 1;
+ tunnel_cfg.sk_user_data = fou;
+ tunnel_cfg.encap_destroy = NULL;
/* Initial for fou type */
switch (cfg->type) {
case FOU_ENCAP_DIRECT:
- err = fou_encap_init(sk, fou, cfg);
- if (err)
- goto error;
+ tunnel_cfg.encap_rcv = fou_udp_recv;
+ tunnel_cfg.gro_receive = fou_gro_receive;
+ tunnel_cfg.gro_complete = fou_gro_complete;
+ fou->protocol = cfg->protocol;
break;
case FOU_ENCAP_GUE:
- err = gue_encap_init(sk, fou, cfg);
- if (err)
- goto error;
+ tunnel_cfg.encap_rcv = gue_udp_recv;
+ tunnel_cfg.gro_receive = gue_gro_receive;
+ tunnel_cfg.gro_complete = gue_gro_complete;
break;
default:
err = -EINVAL;
goto error;
}
- fou->type = cfg->type;
-
- udp_sk(sk)->encap_type = 1;
- udp_encap_enable();
-
- sk->sk_user_data = fou;
- fou->sock = sock;
-
- inet_inc_convert_csum(sk);
+ setup_udp_tunnel_sock(net, sock, &tunnel_cfg);
sk->sk_allocation = GFP_ATOMIC;