diff options
Diffstat (limited to 'include/net/ip_tunnels.h')
-rw-r--r-- | include/net/ip_tunnels.h | 67 |
1 files changed, 31 insertions, 36 deletions
diff --git a/include/net/ip_tunnels.h b/include/net/ip_tunnels.h index 2b4fa06..9a6a3ba 100644 --- a/include/net/ip_tunnels.h +++ b/include/net/ip_tunnels.h @@ -57,7 +57,6 @@ struct ip_tunnel_key { struct ip_tunnel_info { struct ip_tunnel_key key; - const void *options; u8 options_len; u8 mode; }; @@ -180,49 +179,32 @@ int ip_tunnel_encap_add_ops(const struct ip_tunnel_encap_ops *op, int ip_tunnel_encap_del_ops(const struct ip_tunnel_encap_ops *op, unsigned int num); -static inline void __ip_tunnel_info_init(struct ip_tunnel_info *tun_info, - __be32 saddr, __be32 daddr, - u8 tos, u8 ttl, - __be16 tp_src, __be16 tp_dst, - __be64 tun_id, __be16 tun_flags, - const void *opts, u8 opts_len) +static inline void ip_tunnel_key_init(struct ip_tunnel_key *key, + __be32 saddr, __be32 daddr, + u8 tos, u8 ttl, + __be16 tp_src, __be16 tp_dst, + __be64 tun_id, __be16 tun_flags) { - tun_info->key.tun_id = tun_id; - tun_info->key.u.ipv4.src = saddr; - tun_info->key.u.ipv4.dst = daddr; - memset((unsigned char *)&tun_info->key + IP_TUNNEL_KEY_IPV4_PAD, + key->tun_id = tun_id; + key->u.ipv4.src = saddr; + key->u.ipv4.dst = daddr; + memset((unsigned char *)key + IP_TUNNEL_KEY_IPV4_PAD, 0, IP_TUNNEL_KEY_IPV4_PAD_LEN); - tun_info->key.tos = tos; - tun_info->key.ttl = ttl; - tun_info->key.tun_flags = tun_flags; + key->tos = tos; + key->ttl = ttl; + key->tun_flags = tun_flags; /* For the tunnel types on the top of IPsec, the tp_src and tp_dst of * the upper tunnel are used. * E.g: GRE over IPSEC, the tp_src and tp_port are zero. */ - tun_info->key.tp_src = tp_src; - tun_info->key.tp_dst = tp_dst; + key->tp_src = tp_src; + key->tp_dst = tp_dst; /* Clear struct padding. */ - if (sizeof(tun_info->key) != IP_TUNNEL_KEY_SIZE) - memset((unsigned char *)&tun_info->key + IP_TUNNEL_KEY_SIZE, - 0, sizeof(tun_info->key) - IP_TUNNEL_KEY_SIZE); - - tun_info->options = opts; - tun_info->options_len = opts_len; - - tun_info->mode = 0; -} - -static inline void ip_tunnel_info_init(struct ip_tunnel_info *tun_info, - const struct iphdr *iph, - __be16 tp_src, __be16 tp_dst, - __be64 tun_id, __be16 tun_flags, - const void *opts, u8 opts_len) -{ - __ip_tunnel_info_init(tun_info, iph->saddr, iph->daddr, - iph->tos, iph->ttl, tp_src, tp_dst, - tun_id, tun_flags, opts, opts_len); + if (sizeof(*key) != IP_TUNNEL_KEY_SIZE) + memset((unsigned char *)key + IP_TUNNEL_KEY_SIZE, + 0, sizeof(*key) - IP_TUNNEL_KEY_SIZE); } static inline unsigned short ip_tunnel_info_af(const struct ip_tunnel_info @@ -317,11 +299,24 @@ static inline void iptunnel_xmit_stats(int err, } } -static inline void *ip_tunnel_info_opts(struct ip_tunnel_info *info, size_t n) +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) +{ + memcpy(to, info + 1, info->options_len); +} + +static inline void ip_tunnel_info_opts_set(struct ip_tunnel_info *info, + const void *from, int len) +{ + memcpy(ip_tunnel_info_opts(info), from, len); + info->options_len = len; +} + static inline struct ip_tunnel_info *lwt_tun_info(struct lwtunnel_state *lwtstate) { return (struct ip_tunnel_info *)lwtstate->data; |