fed up with those stupid warnings
[mmotm.git] / include / net / ipip.h
blob86f1c8bd040cfbfbf815a683678905d673e51c65
1 #ifndef __NET_IPIP_H
2 #define __NET_IPIP_H 1
4 #include <linux/if_tunnel.h>
5 #include <net/ip.h>
7 /* Keep error state on tunnel for 30 sec */
8 #define IPTUNNEL_ERR_TIMEO (30*HZ)
10 /* 6rd prefix/relay information */
11 struct ip_tunnel_6rd_parm
13 struct in6_addr prefix;
14 __be32 relay_prefix;
15 u16 prefixlen;
16 u16 relay_prefixlen;
19 struct ip_tunnel
21 struct ip_tunnel *next;
22 struct net_device *dev;
24 int err_count; /* Number of arrived ICMP errors */
25 unsigned long err_time; /* Time when the last ICMP error arrived */
27 /* These four fields used only by GRE */
28 __u32 i_seqno; /* The last seen seqno */
29 __u32 o_seqno; /* The last output seqno */
30 int hlen; /* Precalculated GRE header length */
31 int mlink;
33 struct ip_tunnel_parm parms;
35 /* for SIT */
36 #ifdef CONFIG_IPV6_SIT_6RD
37 struct ip_tunnel_6rd_parm ip6rd;
38 #endif
39 struct ip_tunnel_prl_entry *prl; /* potential router list */
40 unsigned int prl_count; /* # of entries in PRL */
43 struct ip_tunnel_prl_entry
45 struct ip_tunnel_prl_entry *next;
46 __be32 addr;
47 u16 flags;
50 #define IPTUNNEL_XMIT() do { \
51 int err; \
52 int pkt_len = skb->len - skb_transport_offset(skb); \
54 skb->ip_summed = CHECKSUM_NONE; \
55 ip_select_ident(iph, &rt->u.dst, NULL); \
57 err = ip_local_out(skb); \
58 if (likely(net_xmit_eval(err) == 0)) { \
59 txq->tx_bytes += pkt_len; \
60 txq->tx_packets++; \
61 } else { \
62 stats->tx_errors++; \
63 stats->tx_aborted_errors++; \
64 } \
65 } while (0)
67 #endif