diff options
Diffstat (limited to 'nhrpd/znl.h')
| -rw-r--r-- | nhrpd/znl.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/nhrpd/znl.h b/nhrpd/znl.h new file mode 100644 index 0000000..fd31daa --- /dev/null +++ b/nhrpd/znl.h @@ -0,0 +1,29 @@ +/* Netlink helpers for zbuf + * Copyright (c) 2014-2015 Timo Teräs + * + * This file is free software: you may copy, redistribute and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 2 of the License, or + * (at your option) any later version. + */ + +#include "zbuf.h" + +#define ZNL_BUFFER_SIZE 8192 + +void *znl_push(struct zbuf *zb, size_t n); +void *znl_pull(struct zbuf *zb, size_t n); + +struct nlmsghdr *znl_nlmsg_push(struct zbuf *zb, uint16_t type, uint16_t flags); +void znl_nlmsg_complete(struct zbuf *zb, struct nlmsghdr *n); +struct nlmsghdr *znl_nlmsg_pull(struct zbuf *zb, struct zbuf *payload); + +struct rtattr *znl_rta_push(struct zbuf *zb, uint16_t type, const void *val, + size_t len); +struct rtattr *znl_rta_push_u32(struct zbuf *zb, uint16_t type, uint32_t val); +struct rtattr *znl_rta_nested_push(struct zbuf *zb, uint16_t type); +void znl_rta_nested_complete(struct zbuf *zb, struct rtattr *rta); + +struct rtattr *znl_rta_pull(struct zbuf *zb, struct zbuf *payload); + +int znl_open(int protocol, int groups); |