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git.proxmox.com Git - mirror_ubuntu-zesty-kernel.git/blob - include/net/ipip.h
4 #include <linux/if_tunnel.h>
7 /* Keep error state on tunnel for 30 sec */
8 #define IPTUNNEL_ERR_TIMEO (30*HZ)
12 struct ip_tunnel
*next
;
13 struct net_device
*dev
;
15 int recursion
; /* Depth of hard_start_xmit recursion */
16 int err_count
; /* Number of arrived ICMP errors */
17 unsigned long err_time
; /* Time when the last ICMP error arrived */
19 /* These four fields used only by GRE */
20 __u32 i_seqno
; /* The last seen seqno */
21 __u32 o_seqno
; /* The last output seqno */
22 int hlen
; /* Precalculated GRE header length */
25 struct ip_tunnel_parm parms
;
27 struct ip_tunnel_prl_entry
*prl
; /* potential router list */
28 unsigned int prl_count
; /* # of entries in PRL */
31 /* ISATAP: default interval between RS in secondy */
32 #define IPTUNNEL_RS_DEFAULT_DELAY (900)
34 struct ip_tunnel_prl_entry
36 struct ip_tunnel_prl_entry
*next
;
39 unsigned long rs_delay
;
40 struct timer_list rs_timer
;
41 struct ip_tunnel
*tunnel
;
45 #define IPTUNNEL_XMIT() do { \
47 int pkt_len = skb->len - skb_transport_offset(skb); \
49 skb->ip_summed = CHECKSUM_NONE; \
50 ip_select_ident(iph, &rt->u.dst, NULL); \
52 err = ip_local_out(skb); \
53 if (net_xmit_eval(err) == 0) { \
54 stats->tx_bytes += pkt_len; \
55 stats->tx_packets++; \
58 stats->tx_aborted_errors++; \