blob: 58fad589039f48b1b5a7ed46b4407da435701366 [file] [log] [blame] [edit]
#ifndef __BACKPORT_LINUX_NETLINK_H
#define __BACKPORT_LINUX_NETLINK_H
#include_next <linux/netlink.h>
#include <linux/version.h>
#if LINUX_VERSION_IS_LESS(4,12,0)
#define NETLINK_MAX_COOKIE_LEN 20
struct netlink_ext_ack {
const char *_msg;
const struct nlattr *bad_attr;
u8 cookie[NETLINK_MAX_COOKIE_LEN];
u8 cookie_len;
};
#define NL_SET_ERR_MSG(extack, msg) do { \
static const char _msg[] = (msg); \
\
(extack)->_msg = _msg; \
} while (0)
#endif
/* this is for patches we apply */
#if LINUX_VERSION_IS_LESS(3,7,0)
#define netlink_notify_portid(__notify) (__notify->pid)
#define NETLINK_CB_PORTID(__skb) NETLINK_CB(__skb).pid
#else
#define netlink_notify_portid(__notify) (__notify->portid)
#define NETLINK_CB_PORTID(__skb) NETLINK_CB(__skb).portid
#endif
#endif /* __BACKPORT_LINUX_NETLINK_H */