root/include/linux/errqueue.h

INCLUDED FROM

#ifndef _LINUX_ERRQUEUE_H
#define _LINUX_ERRQUEUE_H 1

struct sock_extended_err
{
        __u32   ee_errno;       
        __u8    ee_origin;
        __u8    ee_type;
        __u8    ee_code;
        __u8    ee_pad;
        __u32   ee_info;
        __u32   ee_data;
};

#define SO_EE_ORIGIN_NONE       0
#define SO_EE_ORIGIN_LOCAL      1
#define SO_EE_ORIGIN_ICMP       2
#define SO_EE_ORIGIN_ICMP6      3

#define SO_EE_OFFENDER(ee)      ((struct sockaddr*)((ee)+1))

#ifdef __KERNEL__

#include <net/ip.h>
#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
#include <linux/ipv6.h>
#endif

#define SKB_EXT_ERR(skb) ((struct sock_exterr_skb *) ((skb)->cb))

struct sock_exterr_skb
{
        union {
                struct inet_skb_parm    h4;
#if defined(CONFIG_IPV6) || defined (CONFIG_IPV6_MODULE)
                struct inet6_skb_parm   h6;
#endif
        } header;
        struct sock_extended_err        ee;
        u16                             addr_offset;
        __be16                          port;
};

#endif

#endif