libnetlink.h revision 2f90c9c0bb0d8ed4841cb4c77c2d707ec07f20bf
1aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#ifndef __LIBNETLINK_H__ 2aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#define __LIBNETLINK_H__ 1 3aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 4aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <asm/types.h> 5aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <linux/netlink.h> 6aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#include <linux/rtnetlink.h> 7ead2ba7008c9db02954dae6f180aed8770a0560dStephen Hemminger#include <linux/if_link.h> 8ead2ba7008c9db02954dae6f180aed8770a0560dStephen Hemminger#include <linux/if_addr.h> 9ead2ba7008c9db02954dae6f180aed8770a0560dStephen Hemminger#include <linux/neighbour.h> 10aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 11aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerstruct rtnl_handle 12aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger{ 13aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger int fd; 14aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct sockaddr_nl local; 15aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger struct sockaddr_nl peer; 16aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger __u32 seq; 17aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger __u32 dump; 18aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger}; 19aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 20aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerextern int rtnl_open(struct rtnl_handle *rth, unsigned subscriptions); 21c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemmingerextern int rtnl_open_byproto(struct rtnl_handle *rth, unsigned subscriptions, int protocol); 22aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerextern void rtnl_close(struct rtnl_handle *rth); 23aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerextern int rtnl_wilddump_request(struct rtnl_handle *rth, int fam, int type); 24aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerextern int rtnl_dump_request(struct rtnl_handle *rth, int type, void *req, int len); 256dc9f016347441fbf94cf851c054b0f45ba32c1cosdl.net!shemminger 26ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemmingertypedef int (*rtnl_filter_t)(const struct sockaddr_nl *, 2750772dc51ac02239958e1ebcdb21277fcdf133a7osdl.net!shemminger struct nlmsghdr *n, void *); 286dc9f016347441fbf94cf851c054b0f45ba32c1cosdl.net!shemmingerextern int rtnl_dump_filter(struct rtnl_handle *rth, rtnl_filter_t filter, 29aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger void *arg1, 306dc9f016347441fbf94cf851c054b0f45ba32c1cosdl.net!shemminger rtnl_filter_t junk, 31aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger void *arg2); 32aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerextern int rtnl_talk(struct rtnl_handle *rtnl, struct nlmsghdr *n, pid_t peer, 33aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger unsigned groups, struct nlmsghdr *answer, 346dc9f016347441fbf94cf851c054b0f45ba32c1cosdl.net!shemminger rtnl_filter_t junk, 35aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger void *jarg); 366dc9f016347441fbf94cf851c054b0f45ba32c1cosdl.net!shemmingerextern int rtnl_send(struct rtnl_handle *rth, const char *buf, int); 37aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 38aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 39aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerextern int addattr32(struct nlmsghdr *n, int maxlen, int type, __u32 data); 406dc9f016347441fbf94cf851c054b0f45ba32c1cosdl.net!shemmingerextern int addattr_l(struct nlmsghdr *n, int maxlen, int type, const void *data, int alen); 41a10ab08b002dfd25a2d48c6f493835140467a272struct nlmsghdr *n, int maxlen, const void *data, int len);extern int addraw_l(struct nlmsghdr *n, int maxlen, const void *data, int len); 422f90c9c0bb0d8ed4841cb4c77c2d707ec07f20bfPatrick McHardyextern struct rtattr *addattr_nest(struct nlmsghdr *n, int maxlen, int type); 432f90c9c0bb0d8ed4841cb4c77c2d707ec07f20bfPatrick McHardyextern int addattr_nest_end(struct nlmsghdr *n, struct rtattr *nest); 442f90c9c0bb0d8ed4841cb4c77c2d707ec07f20bfPatrick McHardyextern struct rtattr *addattr_nest_compat(struct nlmsghdr *n, int maxlen, int type, const void *data, int len); 452f90c9c0bb0d8ed4841cb4c77c2d707ec07f20bfPatrick McHardyextern int addattr_nest_compat_end(struct nlmsghdr *n, struct rtattr *nest); 46aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerextern int rta_addattr32(struct rtattr *rta, int maxlen, int type, __u32 data); 476dc9f016347441fbf94cf851c054b0f45ba32c1cosdl.net!shemmingerextern int rta_addattr_l(struct rtattr *rta, int maxlen, int type, const void *data, int alen); 48aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 49aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerextern int parse_rtattr(struct rtattr *tb[], int max, struct rtattr *rta, int len); 50c7699875bee00fbcd057fc62c30d6560b044e007net[shemminger]!shemmingerextern int parse_rtattr_byindex(struct rtattr *tb[], int max, struct rtattr *rta, int len); 512f90c9c0bb0d8ed4841cb4c77c2d707ec07f20bfPatrick McHardyextern int __parse_rtattr_nested_compat(struct rtattr *tb[], int max, struct rtattr *rta, int len); 52aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 53753fca4f54bdc4178fac97954746ded6553920a7tb, max, rta) \#define parse_rtattr_nested(tb, max, rta) \ 54753fca4f54bdc4178fac97954746ded6553920a7parse_rtattr((tb), (max), RTA_DATA(rta), RTA_PAYLOAD(rta))) (parse_rtattr((tb), (max), RTA_DATA(rta), RTA_PAYLOAD(rta))) 552f90c9c0bb0d8ed4841cb4c77c2d707ec07f20bfPatrick McHardy 562f90c9c0bb0d8ed4841cb4c77c2d707ec07f20bfPatrick McHardy#define parse_rtattr_nested_compat(tb, max, rta, data, len) \ 572f90c9c0bb0d8ed4841cb4c77c2d707ec07f20bfPatrick McHardy({ data = RTA_PAYLOAD(rta) >= len ? RTA_DATA(rta) : NULL; \ 582f90c9c0bb0d8ed4841cb4c77c2d707ec07f20bfPatrick McHardy __parse_rtattr_nested_compat(tb, max, rta, len); }) 59ae665a522bd46bea44c5ea84c89c8b1731954170Stephen Hemminger 60aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerextern int rtnl_listen(struct rtnl_handle *, rtnl_filter_t handler, 616dc9f016347441fbf94cf851c054b0f45ba32c1cosdl.net!shemminger void *jarg); 62aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemmingerextern int rtnl_from_file(FILE *, rtnl_filter_t handler, 63aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger void *jarg); 64370d67ba5678b222ccbdd19647ae81ccc3c97801nmsg) \ 65370d67ba5678b222ccbdd19647ae81ccc3c97801(struct rtattr *) (((void *) (nmsg)) + NLMSG_ALIGN((nmsg)->nlmsg_len)))#define NLMSG_TAIL(nmsg) \ 66ead2ba7008c9db02954dae6f180aed8770a0560dStephen Hemminger ((struct rtattr *) (((void *) (nmsg)) + NLMSG_ALIGN((nmsg)->nlmsg_len))) 67ead2ba7008c9db02954dae6f180aed8770a0560dStephen Hemminger 68ead2ba7008c9db02954dae6f180aed8770a0560dStephen Hemminger#ifndef IFA_RTA 69ead2ba7008c9db02954dae6f180aed8770a0560dStephen Hemminger#define IFA_RTA(r) \ 70ead2ba7008c9db02954dae6f180aed8770a0560dStephen Hemminger ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ifaddrmsg)))) 71ead2ba7008c9db02954dae6f180aed8770a0560dStephen Hemminger#endif 72ead2ba7008c9db02954dae6f180aed8770a0560dStephen Hemminger#ifndef IFA_PAYLOAD 73ead2ba7008c9db02954dae6f180aed8770a0560dStephen Hemminger#define IFA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ifaddrmsg)) 74ead2ba7008c9db02954dae6f180aed8770a0560dStephen Hemminger#endif 75ead2ba7008c9db02954dae6f180aed8770a0560dStephen Hemminger 76ead2ba7008c9db02954dae6f180aed8770a0560dStephen Hemminger#ifndef IFLA_RTA 77ead2ba7008c9db02954dae6f180aed8770a0560dStephen Hemminger#define IFLA_RTA(r) \ 78ead2ba7008c9db02954dae6f180aed8770a0560dStephen Hemminger ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ifinfomsg)))) 79ead2ba7008c9db02954dae6f180aed8770a0560dStephen Hemminger#endif 80ead2ba7008c9db02954dae6f180aed8770a0560dStephen Hemminger#ifndef IFLA_PAYLOAD 81ead2ba7008c9db02954dae6f180aed8770a0560dStephen Hemminger#define IFLA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ifinfomsg)) 82ead2ba7008c9db02954dae6f180aed8770a0560dStephen Hemminger#endif 83ead2ba7008c9db02954dae6f180aed8770a0560dStephen Hemminger 84ead2ba7008c9db02954dae6f180aed8770a0560dStephen Hemminger#ifndef NDA_RTA 85ead2ba7008c9db02954dae6f180aed8770a0560dStephen Hemminger#define NDA_RTA(r) \ 86ead2ba7008c9db02954dae6f180aed8770a0560dStephen Hemminger ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ndmsg)))) 87ead2ba7008c9db02954dae6f180aed8770a0560dStephen Hemminger#endif 88ead2ba7008c9db02954dae6f180aed8770a0560dStephen Hemminger#ifndef NDA_PAYLOAD 89ead2ba7008c9db02954dae6f180aed8770a0560dStephen Hemminger#define NDA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ndmsg)) 90ead2ba7008c9db02954dae6f180aed8770a0560dStephen Hemminger#endif 91ead2ba7008c9db02954dae6f180aed8770a0560dStephen Hemminger 92ead2ba7008c9db02954dae6f180aed8770a0560dStephen Hemminger#ifndef NDTA_RTA 93ead2ba7008c9db02954dae6f180aed8770a0560dStephen Hemminger#define NDTA_RTA(r) \ 94ead2ba7008c9db02954dae6f180aed8770a0560dStephen Hemminger ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ndtmsg)))) 95ead2ba7008c9db02954dae6f180aed8770a0560dStephen Hemminger#endif 96ead2ba7008c9db02954dae6f180aed8770a0560dStephen Hemminger#ifndef NDTA_PAYLOAD 97ead2ba7008c9db02954dae6f180aed8770a0560dStephen Hemminger#define NDTA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ndtmsg)) 98aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger#endif 99aba5acdfdb347d2c21fc67d613d83d4430ca3937osdl.org!shemminger 100#endif /* __LIBNETLINK_H__ */ 101 102