diff options
Diffstat (limited to 'libdde-linux26/contrib/include/net/ipip.h')
| -rw-r--r-- | libdde-linux26/contrib/include/net/ipip.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/libdde-linux26/contrib/include/net/ipip.h b/libdde-linux26/contrib/include/net/ipip.h new file mode 100644 index 00000000..fdf9bd74 --- /dev/null +++ b/libdde-linux26/contrib/include/net/ipip.h @@ -0,0 +1,55 @@ +#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_transport_offset(skb); \ + \ + 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 |