diff options
| author | Andy Zhou <azhou@nicira.com> | 2014-09-16 17:31:19 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-09-19 15:57:15 -0400 |
| commit | c8fffcea0a079f933b4e98adf9ebaa384dc943b6 (patch) | |
| tree | 66c2bda47dc1639ff82def2b97f21614cfcf89db /net | |
| parent | acbf74a763002bdc74ccfcdac22360bf18e305c5 (diff) | |
| download | linux-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')
| -rw-r--r-- | net/l2tp/l2tp_core.c | 24 |
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. |