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Diffstat (limited to 'include/net/ip_tunnels.h')
-rw-r--r--include/net/ip_tunnels.h38
1 files changed, 21 insertions, 17 deletions
diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h
index fca357679816..ed4b6ad3fcac 100644
--- a/include/net/ip_tunnels.h
+++ b/include/net/ip_tunnels.h
@@ -57,6 +57,13 @@ struct ip_tunnel_key {
__u8 flow_flags;
};
+struct ip_tunnel_encap {
+ u16 type;
+ u16 flags;
+ __be16 sport;
+ __be16 dport;
+};
+
/* Flags for ip_tunnel_info mode. */
#define IP_TUNNEL_INFO_TX 0x01 /* represents tx tunnel parameters */
#define IP_TUNNEL_INFO_IPV6 0x02 /* key contains IPv6 addresses */
@@ -67,8 +74,15 @@ struct ip_tunnel_key {
GENMASK((sizeof_field(struct ip_tunnel_info, \
options_len) * BITS_PER_BYTE) - 1, 0)
+#define ip_tunnel_info_opts(info) \
+ _Generic(info, \
+ const struct ip_tunnel_info * : ((const void *)((info) + 1)),\
+ struct ip_tunnel_info * : ((void *)((info) + 1))\
+ )
+
struct ip_tunnel_info {
struct ip_tunnel_key key;
+ struct ip_tunnel_encap encap;
#ifdef CONFIG_DST_CACHE
struct dst_cache dst_cache;
#endif
@@ -86,13 +100,6 @@ struct ip_tunnel_6rd_parm {
};
#endif
-struct ip_tunnel_encap {
- u16 type;
- u16 flags;
- __be16 sport;
- __be16 dport;
-};
-
struct ip_tunnel_prl_entry {
struct ip_tunnel_prl_entry __rcu *next;
__be32 addr;
@@ -293,6 +300,7 @@ struct ip_tunnel *ip_tunnel_lookup(struct ip_tunnel_net *itn,
__be32 remote, __be32 local,
__be32 key);
+void ip_tunnel_md_udp_encap(struct sk_buff *skb, struct ip_tunnel_info *info);
int ip_tunnel_rcv(struct ip_tunnel *tunnel, struct sk_buff *skb,
const struct tnl_ptk_info *tpi, struct metadata_dst *tun_dst,
bool log_ecn_error);
@@ -371,22 +379,23 @@ static inline int ip_encap_hlen(struct ip_tunnel_encap *e)
return hlen;
}
-static inline int ip_tunnel_encap(struct sk_buff *skb, struct ip_tunnel *t,
+static inline int ip_tunnel_encap(struct sk_buff *skb,
+ struct ip_tunnel_encap *e,
u8 *protocol, struct flowi4 *fl4)
{
const struct ip_tunnel_encap_ops *ops;
int ret = -EINVAL;
- if (t->encap.type == TUNNEL_ENCAP_NONE)
+ if (e->type == TUNNEL_ENCAP_NONE)
return 0;
- if (t->encap.type >= MAX_IPTUN_ENCAP_OPS)
+ if (e->type >= MAX_IPTUN_ENCAP_OPS)
return -EINVAL;
rcu_read_lock();
- ops = rcu_dereference(iptun_encaps[t->encap.type]);
+ ops = rcu_dereference(iptun_encaps[e->type]);
if (likely(ops && ops->build_header))
- ret = ops->build_header(skb, &t->encap, protocol, fl4);
+ ret = ops->build_header(skb, e, protocol, fl4);
rcu_read_unlock();
return ret;
@@ -485,11 +494,6 @@ static inline void iptunnel_xmit_stats(struct net_device *dev, int pkt_len)
}
}
-static inline void *ip_tunnel_info_opts(struct ip_tunnel_info *info)
-{
- return info + 1;
-}
-
static inline void ip_tunnel_info_opts_get(void *to,
const struct ip_tunnel_info *info)
{