diff options
Diffstat (limited to 'zebra/kernel_netlink.h')
| -rw-r--r-- | zebra/kernel_netlink.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/zebra/kernel_netlink.h b/zebra/kernel_netlink.h new file mode 100644 index 0000000000..0efd89f125 --- /dev/null +++ b/zebra/kernel_netlink.h @@ -0,0 +1,53 @@ +/* Declarations and definitions for kernel interaction over netlink + * Copyright (C) 2016 Cumulus Networks, Inc. + * + * This file is part of GNU Zebra. + * + * GNU Zebra is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2, or (at your option) any + * later version. + * + * GNU Zebra is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GNU Zebra; see the file COPYING. If not, write to the Free + * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA + * 02111-1307, USA. + */ + +#ifndef _ZEBRA_KERNEL_NETLINK_H +#define _ZEBRA_KERNEL_NETLINK_H + +#ifdef HAVE_NETLINK + +#define NL_PKT_BUF_SIZE 8192 + +extern void netlink_parse_rtattr (struct rtattr **tb, int max, + struct rtattr *rta, int len); +extern int addattr_l (struct nlmsghdr *n, unsigned int maxlen, + int type, void *data, int alen); +extern int rta_addattr_l (struct rtattr *rta, unsigned int maxlen, + int type, void *data, int alen); +extern int addattr32 (struct nlmsghdr *n, unsigned int maxlen, + int type, int data); +extern struct rtattr *addattr_nest(struct nlmsghdr *n, int maxlen, int type); +extern int addattr_nest_end(struct nlmsghdr *n, struct rtattr *nest); +extern struct rtattr * rta_nest(struct rtattr *rta, int maxlen, int type); +extern int rta_nest_end(struct rtattr *rta, struct rtattr *nest); +extern const char * nl_msg_type_to_str (uint16_t msg_type); +extern const char * nl_rtproto_to_str (u_char rtproto); + +extern int netlink_parse_info (int (*filter) (struct sockaddr_nl *, + struct nlmsghdr *, ns_id_t), struct nlsock *nl, + struct zebra_ns *zns, int count); +extern int netlink_talk (struct nlmsghdr *n, struct nlsock *nl, + struct zebra_ns *zns); +extern int netlink_request (int family, int type, struct nlsock *nl); + +#endif /* HAVE_NETLINK */ + +#endif /* _ZEBRA_KERNEL_NETLINK_H */ |