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52b2ca86c9
Add more helpers that manage nla blobs (taken from iproute2 tool). Need for veth support. Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
19 lines
632 B
C
19 lines
632 B
C
#ifndef LIBNETLINK_H__
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#define LIBNETLINK_H__
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#define CR_NLMSG_SEQ 24680 /* arbitrary chosen */
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extern int parse_rtattr(struct rtattr *tb[], int max, struct rtattr *rta, int len);
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#define parse_rtattr_nested(tb, max, rta) \
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(parse_rtattr((tb), (max), RTA_DATA(rta), RTA_PAYLOAD(rta)))
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extern int do_rtnl_req(int nl, void *req, int size,
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int (*receive_callback)(struct nlmsghdr *h, void *), void *);
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extern int addattr_l(struct nlmsghdr *n, int maxlen, int type,
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const void *data, int alen);
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#define NLMSG_TAIL(nmsg) \
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((struct rtattr *) (((void *) (nmsg)) + NLMSG_ALIGN((nmsg)->nlmsg_len)))
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#endif /* LIBNETLINK_H__ */
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