diff options
Diffstat (limited to 'include/net/ip_tunnels.h')
| -rw-r--r-- | include/net/ip_tunnels.h | 38 |
1 files changed, 29 insertions, 9 deletions
diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h index 8dd8cab88b8..5bc6edeb714 100644 --- a/include/net/ip_tunnels.h +++ b/include/net/ip_tunnels.h @@ -10,6 +10,7 @@ #include <net/gro_cells.h> #include <net/inet_ecn.h> #include <net/ip.h> +#include <net/netns/generic.h> #include <net/rtnetlink.h> #if IS_ENABLED(CONFIG_IPV6) @@ -31,6 +32,13 @@ 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; @@ -56,13 +64,18 @@ struct ip_tunnel { /* These four fields used only by GRE */ __u32 i_seqno; /* The last seen seqno */ __u32 o_seqno; /* The last output seqno */ - int hlen; /* Precalculated header length */ + int tun_hlen; /* Precalculated header length */ int mlink; struct ip_tunnel_dst __percpu *dst_cache; struct ip_tunnel_parm parms; + int encap_hlen; /* Encap header length (FOU,GUE) */ + struct ip_tunnel_encap encap; + + int hlen; /* tun_hlen + encap_hlen */ + /* for SIT */ #ifdef CONFIG_IPV6_SIT_6RD struct ip_tunnel_6rd_parm ip6rd; @@ -73,15 +86,18 @@ struct ip_tunnel { struct gro_cells gro_cells; }; -#define TUNNEL_CSUM __cpu_to_be16(0x01) -#define TUNNEL_ROUTING __cpu_to_be16(0x02) -#define TUNNEL_KEY __cpu_to_be16(0x04) -#define TUNNEL_SEQ __cpu_to_be16(0x08) -#define TUNNEL_STRICT __cpu_to_be16(0x10) -#define TUNNEL_REC __cpu_to_be16(0x20) -#define TUNNEL_VERSION __cpu_to_be16(0x40) -#define TUNNEL_NO_KEY __cpu_to_be16(0x80) +#define TUNNEL_CSUM __cpu_to_be16(0x01) +#define TUNNEL_ROUTING __cpu_to_be16(0x02) +#define TUNNEL_KEY __cpu_to_be16(0x04) +#define TUNNEL_SEQ __cpu_to_be16(0x08) +#define TUNNEL_STRICT __cpu_to_be16(0x10) +#define TUNNEL_REC __cpu_to_be16(0x20) +#define TUNNEL_VERSION __cpu_to_be16(0x40) +#define TUNNEL_NO_KEY __cpu_to_be16(0x80) #define TUNNEL_DONT_FRAGMENT __cpu_to_be16(0x0100) +#define TUNNEL_OAM __cpu_to_be16(0x0200) +#define TUNNEL_CRIT_OPT __cpu_to_be16(0x0400) +#define TUNNEL_OPTIONS_PRESENT __cpu_to_be16(0x0800) struct tnl_ptk_info { __be16 flags; @@ -114,6 +130,8 @@ void ip_tunnel_delete_net(struct ip_tunnel_net *itn, struct rtnl_link_ops *ops); void ip_tunnel_xmit(struct sk_buff *skb, struct net_device *dev, const struct iphdr *tnl_params, const u8 protocol); int ip_tunnel_ioctl(struct net_device *dev, struct ip_tunnel_parm *p, int cmd); +int ip_tunnel_encap(struct sk_buff *skb, struct ip_tunnel *t, + u8 *protocol, struct flowi4 *fl4); int ip_tunnel_change_mtu(struct net_device *dev, int new_mtu); struct rtnl_link_stats64 *ip_tunnel_get_stats64(struct net_device *dev, @@ -131,6 +149,8 @@ int ip_tunnel_newlink(struct net_device *dev, struct nlattr *tb[], struct ip_tunnel_parm *p); void ip_tunnel_setup(struct net_device *dev, int net_id); void ip_tunnel_dst_reset_all(struct ip_tunnel *t); +int ip_tunnel_encap_setup(struct ip_tunnel *t, + struct ip_tunnel_encap *ipencap); /* Extract dsfield from inner protocol */ static inline u8 ip_tunnel_get_dsfield(const struct iphdr *iph, |