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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Exported kernel_socket functions, exported only for convenience of
* sysctl methods.
*/
#ifndef __ZEBRA_KERNEL_SOCKET_H
#define __ZEBRA_KERNEL_SOCKET_H
#ifdef __cplusplus
extern "C" {
#endif
/* Error codes of zebra. */
#define ZEBRA_ERR_NOERROR 0
#define ZEBRA_ERR_RTEXIST -1
#define ZEBRA_ERR_RTUNREACH -2
#define ZEBRA_ERR_EPERM -3
#define ZEBRA_ERR_RTNOEXIST -4
#define ZEBRA_ERR_KERNEL -5
#define IN6_LINKLOCAL_IFINDEX(a) ((a).s6_addr[2] << 8 | (a).s6_addr[3])
#define SET_IN6_LINKLOCAL_IFINDEX(a, i) \
do { \
(a).s6_addr[2] = ((i) >> 8) & 0xff; \
(a).s6_addr[3] = (i) & 0xff; \
} while (0)
extern void rtm_read(struct rt_msghdr *);
extern int ifam_read(struct ifa_msghdr *);
extern int ifm_read(struct if_msghdr *);
extern int rtm_write(int, union sockunion *, union sockunion *,
union sockunion *, union sockunion *, unsigned int,
enum blackhole_type, int);
extern const struct message rtm_type_str[];
#ifdef __cplusplus
}
#endif
#endif /* __ZEBRA_KERNEL_SOCKET_H */
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