projects / mirror_frr.git / blame
| Commit | Line | Data |
|---|---|---|
| 1fdc9eae | 1 | /* Declarations and definitions for kernel interaction over netlink |
| 2 | * Copyright (C) 2016 Cumulus Networks, Inc. | |
| 3 | * | |
| 4 | * This file is part of GNU Zebra. | |
| 5 | * | |
| 6 | * GNU Zebra is free software; you can redistribute it and/or modify it | |
| 7 | * under the terms of the GNU General Public License as published by the | |
| 8 | * Free Software Foundation; either version 2, or (at your option) any | |
| 9 | * later version. | |
| 10 | * | |
| 11 | * GNU Zebra is distributed in the hope that it will be useful, but | |
| 12 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 14 | * General Public License for more details. | |
| 15 | * | |
| 896014f4 DL |
16 | * You should have received a copy of the GNU General Public License along |
| 17 | * with this program; see the file COPYING; if not, write to the Free Software | |
| 18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
| 1fdc9eae | 19 | */ |
| 20 | ||
| 21 | #ifndef _ZEBRA_KERNEL_NETLINK_H | |
| 22 | #define _ZEBRA_KERNEL_NETLINK_H | |
| 23 | ||
| 24 | #ifdef HAVE_NETLINK | |
| 25 | ||
| 26 | #define NL_PKT_BUF_SIZE 8192 | |
| 27 | ||
| 28 | extern void netlink_parse_rtattr (struct rtattr **tb, int max, | |
| 29 | struct rtattr *rta, int len); | |
| 30 | extern int addattr_l (struct nlmsghdr *n, unsigned int maxlen, | |
| c7450f9a | 31 | int type, void *data, unsigned int alen); |
| 1fdc9eae | 32 | extern int rta_addattr_l (struct rtattr *rta, unsigned int maxlen, |
| c7450f9a | 33 | int type, void *data, unsigned int alen); |
| bbc16902 | 34 | extern int addattr16 (struct nlmsghdr *n, unsigned int maxlen, |
| 35 | int type, u_int16_t data); | |
| 1fdc9eae | 36 | extern int addattr32 (struct nlmsghdr *n, unsigned int maxlen, |
| 37 | int type, int data); | |
| 38 | extern struct rtattr *addattr_nest(struct nlmsghdr *n, int maxlen, int type); | |
| 39 | extern int addattr_nest_end(struct nlmsghdr *n, struct rtattr *nest); | |
| 40 | extern struct rtattr * rta_nest(struct rtattr *rta, int maxlen, int type); | |
| 41 | extern int rta_nest_end(struct rtattr *rta, struct rtattr *nest); | |
| 42 | extern const char * nl_msg_type_to_str (uint16_t msg_type); | |
| 43 | extern const char * nl_rtproto_to_str (u_char rtproto); | |
| b339bde7 DS |
44 | extern const char * nl_family_to_str (u_char family); |
| 45 | extern const char * nl_rttype_to_str (u_char rttype); | |
| 1fdc9eae | 46 | |
| 47 | extern int netlink_parse_info (int (*filter) (struct sockaddr_nl *, | |
| 936ebf0a DS |
48 | struct nlmsghdr *, ns_id_t, int), |
| 49 | struct nlsock *nl, struct zebra_ns *zns, | |
| 50 | int count, int startup); | |
| 30359046 | 51 | extern int netlink_talk_filter (struct sockaddr_nl *, struct nlmsghdr *, |
| 936ebf0a | 52 | ns_id_t, int startup); |
| 30359046 | 53 | extern int netlink_talk (int (*filter) (struct sockaddr_nl *, struct nlmsghdr *, |
| 936ebf0a | 54 | ns_id_t, int startup), |
| 30359046 | 55 | struct nlmsghdr *n, struct nlsock *nl, |
| 936ebf0a | 56 | struct zebra_ns *zns, int startup); |
| 289602d7 | 57 | extern int netlink_request (struct nlsock *nl, struct nlmsghdr *n); |
| 1fdc9eae | 58 | |
| 59 | #endif /* HAVE_NETLINK */ | |
| 60 | ||
| 61 | #endif /* _ZEBRA_KERNEL_NETLINK_H */ |