X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=net%2Fipv4%2Fxfrm4_tunnel.c;h=326845195620dd07851907fdf03d65cadb0be220;hb=95b00786f3b8fa99f53931361beeb4c10504ad87;hp=9275c79119b6f32d9bb69c7c64d9be853378eb7b;hpb=b91cba52e9b7b3f1c0037908a192d93a869ca9e5;p=linux-2.6 diff --git a/net/ipv4/xfrm4_tunnel.c b/net/ipv4/xfrm4_tunnel.c index 9275c79119..3268451956 100644 --- a/net/ipv4/xfrm4_tunnel.c +++ b/net/ipv4/xfrm4_tunnel.c @@ -12,17 +12,13 @@ static int ipip_output(struct xfrm_state *x, struct sk_buff *skb) { - struct iphdr *iph = ip_hdr(skb); - - iph->tot_len = htons(skb->len); - ip_send_check(iph); - + skb_push(skb, -skb_network_offset(skb)); return 0; } static int ipip_xfrm_rcv(struct xfrm_state *x, struct sk_buff *skb) { - return 0; + return ip_hdr(skb)->protocol; } static int ipip_init_state(struct xfrm_state *x) @@ -52,20 +48,25 @@ static struct xfrm_type ipip_type = { .output = ipip_output }; +static int xfrm_tunnel_rcv(struct sk_buff *skb) +{ + return xfrm4_rcv_spi(skb, IPPROTO_IP, ip_hdr(skb)->saddr); +} + static int xfrm_tunnel_err(struct sk_buff *skb, u32 info) { return -ENOENT; } static struct xfrm_tunnel xfrm_tunnel_handler = { - .handler = xfrm4_rcv, + .handler = xfrm_tunnel_rcv, .err_handler = xfrm_tunnel_err, .priority = 2, }; #if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) static struct xfrm_tunnel xfrm64_tunnel_handler = { - .handler = xfrm4_rcv, + .handler = xfrm_tunnel_rcv, .err_handler = xfrm_tunnel_err, .priority = 2, };