Function tc_init_msg

dpdk/drivers/net/tap/tap_tcmsgs.c:44–57

* Initialize a netlink message with a TC header. * * @param[in, out] msg * The netlink message to fill. * @param[in] ifindex * The netdevice ifindex where the rule will be applied. * @param[in] type * The type of TC message to create (RTM_NEWTFILTER, RTM_NEWQDISC, etc.). * @param[in] flags * Overrides the default netlink flags for this msg with those specified. */

 *   Overrides the default netlink flags for this msg with those specified.
 */
void
tc_init_msg(struct nlmsg *msg, unsigned int ifindex, uint16_t type, uint16_t flags)
{
	struct nlmsghdr *n = &msg->nh;

	n->nlmsg_len = NLMSG_LENGTH(sizeof(struct tcmsg));
	n->nlmsg_type = type;
	if (flags)
		n->nlmsg_flags = flags;
	else
		n->nlmsg_flags = NLM_F_REQUEST | NLM_F_ACK;
	msg->t.tcm_family = AF_UNSPEC;
	msg->t.tcm_ifindex = ifindex;
}

/**
 * Delete a specific QDISC identified by its iface, and it's handle and parent.