android_kernel_motorola_sm6225/include/net/ipip.h
Pavel Emelyanov f56dd017c3 tunnels: Remove stat member from ip_tunnel struct.
All users already use on-device statistics, so this field can be
safely removed.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2008-05-21 14:16:36 -07:00

55 lines
1.3 KiB
C

#ifndef __NET_IPIP_H
#define __NET_IPIP_H 1
#include <linux/if_tunnel.h>
#include <net/ip.h>
/* Keep error state on tunnel for 30 sec */
#define IPTUNNEL_ERR_TIMEO (30*HZ)
struct ip_tunnel
{
struct ip_tunnel *next;
struct net_device *dev;
int recursion; /* Depth of hard_start_xmit recursion */
int err_count; /* Number of arrived ICMP errors */
unsigned long err_time; /* Time when the last ICMP error arrived */
/* These four fields used only by GRE */
__u32 i_seqno; /* The last seen seqno */
__u32 o_seqno; /* The last output seqno */
int hlen; /* Precalculated GRE header length */
int mlink;
struct ip_tunnel_parm parms;
struct ip_tunnel_prl_entry *prl; /* potential router list */
unsigned int prl_count; /* # of entries in PRL */
};
struct ip_tunnel_prl_entry
{
struct ip_tunnel_prl_entry *next;
__be32 addr;
u16 flags;
};
#define IPTUNNEL_XMIT() do { \
int err; \
int pkt_len = skb->len; \
\
skb->ip_summed = CHECKSUM_NONE; \
ip_select_ident(iph, &rt->u.dst, NULL); \
\
err = ip_local_out(skb); \
if (net_xmit_eval(err) == 0) { \
stats->tx_bytes += pkt_len; \
stats->tx_packets++; \
} else { \
stats->tx_errors++; \
stats->tx_aborted_errors++; \
} \
} while (0)
#endif