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int rtnl_class_add ( struct nl_sock *  sk,
struct rtnl_class *  class,
int  flags 

Add a new class

  • sk Netlink socket.
  • class class to delete
  • flags additional netlink message flags
Builds a netlink message by calling rtnl_qdisc_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.

Common message flags

  • NLM_F_REPLACE - replace possibly existing classes

0 on success or a negative error code

Definition at line 144 of file class.c.

References nl_send_auto_complete(), nlmsg_free(), and rtnl_class_build_add_request().

      struct nl_msg *msg;
      int err;

      if ((err = rtnl_class_build_add_request(class, flags, &msg)) < 0)
            return err;

      err = nl_send_auto_complete(sk, msg);
      if (err < 0)
            return err;

      return wait_for_ack(sk);

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