diff options
Diffstat (limited to 'include/net/ip_tunnels.h')
| -rw-r--r-- | include/net/ip_tunnels.h | 38 |
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) { |