include/libgenl.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __LIBGENL_H__
   3 #define __LIBGENL_H__
   4
   5 #include "libnetlink.h"
   6
   7 #define GENL_REQUEST(_req, _bufsiz, _family, _hdrsiz, _ver, _cmd, _flags) \
   8 struct {                                                                \
   9         struct nlmsghdr         n;                                      \
  10         struct genlmsghdr       g;                                      \
  11         char                    buf[NLMSG_ALIGN(_hdrsiz) + (_bufsiz)];  \
  12 } _req = {                                                              \
  13         .n = {                                                          \
  14                 .nlmsg_type = (_family),                                \
  15                 .nlmsg_flags = (_flags),                                \
  16                 .nlmsg_len = NLMSG_LENGTH(GENL_HDRLEN + (_hdrsiz)),     \
  17         },                                                              \
  18         .g = {                                                          \
  19                 .cmd = (_cmd),                                          \
  20                 .version = (_ver),                                      \
  21         },                                                              \
  22 }
  23
  24 extern int genl_resolve_family(struct rtnl_handle *grth, const char *family);
  25 extern int genl_init_handle(struct rtnl_handle *grth, const char *family,
  26                             int *genl_family);
  27
  28 #endif /* __LIBGENL_H__ */