void nl80211_send_mgmt_tx_status(struct cfg80211_registered_device *rdev,
				 struct wireless_dev *wdev, u64 cookie,
				 const u8 *buf, size_t len, bool ack,
				 gfp_t gfp)
{
	struct net_device *netdev = wdev->netdev;
	struct sk_buff *msg;
	void *hdr;

	msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
	if (!msg)
		return;

	hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS);
	if (!hdr) {
		nlmsg_free(msg);
		return;
	}

	if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
	    (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX,
				   netdev->ifindex)) ||
	    nla_put(msg, NL80211_ATTR_FRAME, len, buf) ||
	    nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) ||
	    (ack && nla_put_flag(msg, NL80211_ATTR_ACK)))
		goto nla_put_failure;

	genlmsg_end(msg, hdr);

	genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp);
	return;

 nla_put_failure:
	genlmsg_cancel(msg, hdr);
	nlmsg_free(msg);
}
Unknown