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2414abd3b0
The snl variable is no longer needed to be passed around, so remove it from the calling path. Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
60 lines
2.5 KiB
C
60 lines
2.5 KiB
C
/* Declarations and definitions for kernel interaction over netlink
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* Copyright (C) 2016 Cumulus Networks, Inc.
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*
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* This file is part of GNU Zebra.
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*
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* GNU Zebra is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2, or (at your option) any
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* later version.
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*
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* GNU Zebra is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; see the file COPYING; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _ZEBRA_KERNEL_NETLINK_H
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#define _ZEBRA_KERNEL_NETLINK_H
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#ifdef HAVE_NETLINK
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#define NL_RCV_PKT_BUF_SIZE 32768
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#define NL_PKT_BUF_SIZE 8192
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extern void netlink_parse_rtattr(struct rtattr **tb, int max,
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struct rtattr *rta, int len);
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extern int addattr_l(struct nlmsghdr *n, unsigned int maxlen, int type,
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void *data, unsigned int alen);
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extern int rta_addattr_l(struct rtattr *rta, unsigned int maxlen, int type,
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void *data, unsigned int alen);
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extern int addattr16(struct nlmsghdr *n, unsigned int maxlen, int type,
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uint16_t data);
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extern int addattr32(struct nlmsghdr *n, unsigned int maxlen, int type,
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int data);
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extern struct rtattr *addattr_nest(struct nlmsghdr *n, int maxlen, int type);
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extern int addattr_nest_end(struct nlmsghdr *n, struct rtattr *nest);
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extern struct rtattr *rta_nest(struct rtattr *rta, int maxlen, int type);
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extern int rta_nest_end(struct rtattr *rta, struct rtattr *nest);
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extern const char *nl_msg_type_to_str(uint16_t msg_type);
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extern const char *nl_rtproto_to_str(uint8_t rtproto);
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extern const char *nl_family_to_str(uint8_t family);
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extern const char *nl_rttype_to_str(uint8_t rttype);
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extern int netlink_parse_info(int (*filter)(struct nlmsghdr *, ns_id_t, int),
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struct nlsock *nl, struct zebra_ns *zns,
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int count, int startup);
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extern int netlink_talk_filter(struct nlmsghdr *h, ns_id_t ns, int startup);
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extern int netlink_talk(int (*filter)(struct nlmsghdr *, ns_id_t, int startup),
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struct nlmsghdr *n, struct nlsock *nl,
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struct zebra_ns *zns, int startup);
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extern int netlink_request(struct nlsock *nl, struct nlmsghdr *n);
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#endif /* HAVE_NETLINK */
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#endif /* _ZEBRA_KERNEL_NETLINK_H */
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