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Viewing changes to datapath/linux/compat/include/net/ip_tunnels.h

  • Committer: James Page
  • Date: 2013-08-21 10:16:57 UTC
  • mfrom: (1.1.20)
  • Revision ID: james.page@canonical.com-20130821101657-3o0z0qeiv5zkwlzi
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datapath/linux/compat/include/net/ip_tunnels.h
 
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#ifndef __NET_IP_TUNNELS_WRAPPER_H
 
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#define __NET_IP_TUNNELS_WRAPPER_H 1
 
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#include <linux/if_tunnel.h>
 
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#include <linux/netdevice.h>
 
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#include <linux/skbuff.h>
 
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#include <linux/types.h>
 
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#include <net/dsfield.h>
 
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#include <net/flow.h>
 
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#include <net/inet_ecn.h>
 
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#include <net/ip.h>
 
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#include <net/rtnetlink.h>
 
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#define TUNNEL_CSUM     __cpu_to_be16(0x01)
 
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#define TUNNEL_ROUTING  __cpu_to_be16(0x02)
 
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#define TUNNEL_KEY      __cpu_to_be16(0x04)
 
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#define TUNNEL_SEQ      __cpu_to_be16(0x08)
 
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#define TUNNEL_STRICT   __cpu_to_be16(0x10)
 
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#define TUNNEL_REC      __cpu_to_be16(0x20)
 
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#define TUNNEL_VERSION  __cpu_to_be16(0x40)
 
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#define TUNNEL_NO_KEY   __cpu_to_be16(0x80)
 
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#define TUNNEL_DONT_FRAGMENT    __cpu_to_be16(0x0100)
 
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struct tnl_ptk_info {
 
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        __be16 flags;
 
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        __be16 proto;
 
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        __be32 key;
 
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        __be32 seq;
 
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};
 
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#define PACKET_RCVD     0
 
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#define PACKET_REJECT   1
 
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static inline void tunnel_ip_select_ident(struct sk_buff *skb,
 
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                                          const struct iphdr  *old_iph,
 
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                                          struct dst_entry *dst)
 
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{
 
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        struct iphdr *iph = ip_hdr(skb);
 
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        /* Use inner packet iph-id if possible. */
 
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        if (skb->protocol == htons(ETH_P_IP) && old_iph->id)
 
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                iph->id = old_iph->id;
 
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        else
 
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                __ip_select_ident(iph, dst,
 
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                                (skb_shinfo(skb)->gso_segs ?: 1) - 1);
 
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}
 
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int iptunnel_xmit(struct net *net, struct rtable *rt,
 
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                  struct sk_buff *skb,
 
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                  __be32 src, __be32 dst, __u8 proto,
 
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                  __u8 tos, __u8 ttl, __be16 df);
 
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int iptunnel_pull_header(struct sk_buff *skb, int hdr_len, __be16 inner_proto);
 
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#endif /* __NET_IP_TUNNELS_H */