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2b68cb77cd
All users of genl have the same code to open a genl socket and resolve the family for their specific protocol. Introduce a helper to initialize the handle, and use it in all the genl code. Signed-off-by: Sabrina Dubroca <sd@queasysnail.net>
28 lines
728 B
C
28 lines
728 B
C
#ifndef __LIBGENL_H__
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#define __LIBGENL_H__
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#include "libnetlink.h"
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#define GENL_REQUEST(_req, _bufsiz, _family, _hdrsiz, _ver, _cmd, _flags) \
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struct { \
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struct nlmsghdr n; \
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struct genlmsghdr g; \
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char buf[NLMSG_ALIGN(_hdrsiz) + (_bufsiz)]; \
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} _req = { \
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.n = { \
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.nlmsg_type = (_family), \
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.nlmsg_flags = (_flags), \
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.nlmsg_len = NLMSG_LENGTH(GENL_HDRLEN + (_hdrsiz)), \
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}, \
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.g = { \
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.cmd = (_cmd), \
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.version = (_ver), \
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}, \
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}
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extern int genl_resolve_family(struct rtnl_handle *grth, const char *family);
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extern int genl_init_handle(struct rtnl_handle *grth, const char *family,
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int *genl_family);
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#endif /* __LIBGENL_H__ */
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