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int rtnl_cls_change ( struct nl_handle *  handle,
struct rtnl_cls *  cls,
int  flags 

Change a classifier

  • handle netlink handle
  • cls classifier to change
  • flags additional netlink message flags
Builds a netlink message by calling rtnl_cls_build_change_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.

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

Definition at line 354 of file classifier.c.

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

      int err;
      struct nl_msg *msg;
      msg = rtnl_cls_build_change_request(cls, flags);
      if (!msg)
            return nl_errno(ENOMEM);
      err = nl_send_auto_complete(handle, msg);
      if (err < 0)
            return err;

      return nl_wait_for_ack(handle);

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