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int rtnl_cls_add ( struct nl_sock *  sk,
struct rtnl_cls *  cls,
int  flags 
)

Add a new classifier

  • sk Netlink socket.
  • cls classifier to add
  • flags additional netlink message flags
Builds a netlink message by calling rtnl_cls_build_add_request(), sends the request to the kernel and waits for the next ACK to be received and thus blocks until the request has been processed.

Returns:
0 on sucess or a negative error if an error occured.

Definition at line 160 of file cls.c.

References nl_send_auto_complete(), nl_wait_for_ack(), nlmsg_free(), and rtnl_cls_build_add_request().

{
      struct nl_msg *msg;
      int err;
      
      if ((err = rtnl_cls_build_add_request(cls, flags, &msg)) < 0)
            return err;
      
      err = nl_send_auto_complete(sk, msg);
      nlmsg_free(msg);
      if (err < 0)
            return err;

      return nl_wait_for_ack(sk);
}


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