diff options
Diffstat (limited to 'net/ipv4/xfrm4_tunnel.c')
| -rw-r--r-- | net/ipv4/xfrm4_tunnel.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/net/ipv4/xfrm4_tunnel.c b/net/ipv4/xfrm4_tunnel.c index dc19aff7c2e0..8489fa106583 100644 --- a/net/ipv4/xfrm4_tunnel.c +++ b/net/ipv4/xfrm4_tunnel.c @@ -8,9 +8,7 @@ #include <linux/skbuff.h> #include <linux/module.h> -#include <linux/mutex.h> #include <net/xfrm.h> -#include <net/ip.h> #include <net/protocol.h> static int ipip_output(struct xfrm_state *x, struct sk_buff *skb) @@ -24,13 +22,17 @@ static int ipip_xfrm_rcv(struct xfrm_state *x, struct sk_buff *skb) return ip_hdr(skb)->protocol; } -static int ipip_init_state(struct xfrm_state *x) +static int ipip_init_state(struct xfrm_state *x, struct netlink_ext_ack *extack) { - if (x->props.mode != XFRM_MODE_TUNNEL) + if (x->props.mode != XFRM_MODE_TUNNEL) { + NL_SET_ERR_MSG(extack, "IPv4 tunnel can only be used with tunnel mode"); return -EINVAL; + } - if (x->encap) + if (x->encap) { + NL_SET_ERR_MSG(extack, "IPv4 tunnel is not compatible with encapsulation"); return -EINVAL; + } x->props.header_len = sizeof(struct iphdr); @@ -42,7 +44,6 @@ static void ipip_destroy(struct xfrm_state *x) } static const struct xfrm_type ipip_type = { - .description = "IPIP", .owner = THIS_MODULE, .proto = IPPROTO_IPIP, .init_state = ipip_init_state, @@ -64,14 +65,14 @@ static int xfrm_tunnel_err(struct sk_buff *skb, u32 info) static struct xfrm_tunnel xfrm_tunnel_handler __read_mostly = { .handler = xfrm_tunnel_rcv, .err_handler = xfrm_tunnel_err, - .priority = 3, + .priority = 4, }; #if IS_ENABLED(CONFIG_IPV6) static struct xfrm_tunnel xfrm64_tunnel_handler __read_mostly = { .handler = xfrm_tunnel_rcv, .err_handler = xfrm_tunnel_err, - .priority = 2, + .priority = 3, }; #endif |