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authorAndy Zhou <azhou@nicira.com>2014-09-16 17:31:19 -0700
committerDavid S. Miller <davem@davemloft.net>2014-09-19 15:57:15 -0400
commitc8fffcea0a079f933b4e98adf9ebaa384dc943b6 (patch)
tree66c2bda47dc1639ff82def2b97f21614cfcf89db /net/l2tp
parentacbf74a763002bdc74ccfcdac22360bf18e305c5 (diff)
downloadlinux-c8fffcea0a079f933b4e98adf9ebaa384dc943b6.tar.bz2
l2tp: Refactor l2tp core driver to make use of the common UDP tunnel functions
Simplify l2tp implementation using common UDP tunnel APIs. Signed-off-by: Andy Zhou <azhou@nicira.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/l2tp')
-rw-r--r--net/l2tp/l2tp_core.c24
1 files changed, 10 insertions, 14 deletions
diff --git a/net/l2tp/l2tp_core.c b/net/l2tp/l2tp_core.c
index 2aa2b6c15f20..895348e44c7d 100644
--- a/net/l2tp/l2tp_core.c
+++ b/net/l2tp/l2tp_core.c
@@ -1392,8 +1392,6 @@ static int l2tp_tunnel_sock_create(struct net *net,
if (err < 0)
goto out;
- udp_set_convert_csum(sock->sk, true);
-
break;
case L2TP_ENCAPTYPE_IP:
@@ -1584,19 +1582,17 @@ int l2tp_tunnel_create(struct net *net, int fd, int version, u32 tunnel_id, u32
/* Mark socket as an encapsulation socket. See net/ipv4/udp.c */
tunnel->encap = encap;
if (encap == L2TP_ENCAPTYPE_UDP) {
- /* Mark socket as an encapsulation socket. See net/ipv4/udp.c */
- udp_sk(sk)->encap_type = UDP_ENCAP_L2TPINUDP;
- udp_sk(sk)->encap_rcv = l2tp_udp_encap_recv;
- udp_sk(sk)->encap_destroy = l2tp_udp_encap_destroy;
-#if IS_ENABLED(CONFIG_IPV6)
- if (sk->sk_family == PF_INET6 && !tunnel->v4mapped)
- udpv6_encap_enable();
- else
-#endif
- udp_encap_enable();
- }
+ struct udp_tunnel_sock_cfg udp_cfg;
+
+ udp_cfg.sk_user_data = tunnel;
+ udp_cfg.encap_type = UDP_ENCAP_L2TPINUDP;
+ udp_cfg.encap_rcv = l2tp_udp_encap_recv;
+ udp_cfg.encap_destroy = l2tp_udp_encap_destroy;
- sk->sk_user_data = tunnel;
+ setup_udp_tunnel_sock(net, sock, &udp_cfg);
+ } else {
+ sk->sk_user_data = tunnel;
+ }
/* Hook on the tunnel socket destructor so that we can cleanup
* if the tunnel socket goes away.