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 | ||
| 9ed7517b | 26 | #define NL_RCV_PKT_BUF_SIZE 32768 |
| 1fdc9eae | 27 | #define NL_PKT_BUF_SIZE 8192 |
| 28 | ||
| d62a17ae | 29 | extern void netlink_parse_rtattr(struct rtattr **tb, int max, |
| 30 | struct rtattr *rta, int len); | |
| 31 | extern int addattr_l(struct nlmsghdr *n, unsigned int maxlen, int type, | |
| 32 | void *data, unsigned int alen); | |
| 33 | extern int rta_addattr_l(struct rtattr *rta, unsigned int maxlen, int type, | |
| 34 | void *data, unsigned int alen); | |
| 35 | extern int addattr16(struct nlmsghdr *n, unsigned int maxlen, int type, | |
| d7c0a89a | 36 | uint16_t data); |
| d62a17ae | 37 | extern int addattr32(struct nlmsghdr *n, unsigned int maxlen, int type, |
| 38 | int data); | |
| 1fdc9eae | 39 | extern struct rtattr *addattr_nest(struct nlmsghdr *n, int maxlen, int type); |
| 40 | extern int addattr_nest_end(struct nlmsghdr *n, struct rtattr *nest); | |
| d62a17ae | 41 | extern struct rtattr *rta_nest(struct rtattr *rta, int maxlen, int type); |
| 1fdc9eae | 42 | extern int rta_nest_end(struct rtattr *rta, struct rtattr *nest); |
| d62a17ae | 43 | extern const char *nl_msg_type_to_str(uint16_t msg_type); |
| d7c0a89a QY |
44 | extern const char *nl_rtproto_to_str(uint8_t rtproto); |
| 45 | extern const char *nl_family_to_str(uint8_t family); | |
| 46 | extern const char *nl_rttype_to_str(uint8_t rttype); | |
| 1fdc9eae | 47 | |
| d62a17ae | 48 | extern int netlink_parse_info(int (*filter)(struct sockaddr_nl *, |
| 49 | struct nlmsghdr *, ns_id_t, int), | |
| 50 | struct nlsock *nl, struct zebra_ns *zns, | |
| 51 | int count, int startup); | |
| 52 | extern int netlink_talk_filter(struct sockaddr_nl *, struct nlmsghdr *, ns_id_t, | |
| 53 | int startup); | |
| 54 | extern int netlink_talk(int (*filter)(struct sockaddr_nl *, struct nlmsghdr *, | |
| 55 | ns_id_t, int startup), | |
| 56 | struct nlmsghdr *n, struct nlsock *nl, | |
| 57 | struct zebra_ns *zns, int startup); | |
| 58 | extern int netlink_request(struct nlsock *nl, struct nlmsghdr *n); | |
| 1fdc9eae | 59 | |
| 60 | #endif /* HAVE_NETLINK */ | |
| 61 | ||
| 62 | #endif /* _ZEBRA_KERNEL_NETLINK_H */ |