static int nl80211_send_station(struct sk_buff *msg, u32 portid, u32 seq,
				int flags,
				struct cfg80211_registered_device *rdev,
				struct net_device *dev,
				const u8 *mac_addr, struct station_info *sinfo)
{
	void *hdr;
	struct nlattr *sinfoattr, *bss_param;

	hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_STATION);
	if (!hdr)
		return -1;

	if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
	    nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) ||
	    nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation))
		goto nla_put_failure;

	sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO);
	if (!sinfoattr)
		goto nla_put_failure;
	if ((sinfo->filled & STATION_INFO_CONNECTED_TIME) &&
	    nla_put_u32(msg, NL80211_STA_INFO_CONNECTED_TIME,
			sinfo->connected_time))
		goto nla_put_failure;
	if ((sinfo->filled & STATION_INFO_INACTIVE_TIME) &&
	    nla_put_u32(msg, NL80211_STA_INFO_INACTIVE_TIME,
			sinfo->inactive_time))
		goto nla_put_failure;
	if ((sinfo->filled & STATION_INFO_RX_BYTES) &&
	    nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES,
			sinfo->rx_bytes))
		goto nla_put_failure;
	if ((sinfo->filled & STATION_INFO_TX_BYTES) &&
	    nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES,
			sinfo->tx_bytes))
		goto nla_put_failure;
	if ((sinfo->filled & STATION_INFO_LLID) &&
	    nla_put_u16(msg, NL80211_STA_INFO_LLID, sinfo->llid))
		goto nla_put_failure;
	if ((sinfo->filled & STATION_INFO_PLID) &&
	    nla_put_u16(msg, NL80211_STA_INFO_PLID, sinfo->plid))
		goto nla_put_failure;
	if ((sinfo->filled & STATION_INFO_PLINK_STATE) &&
	    nla_put_u8(msg, NL80211_STA_INFO_PLINK_STATE,
		       sinfo->plink_state))
		goto nla_put_failure;
	switch (rdev->wiphy.signal_type) {
	case CFG80211_SIGNAL_TYPE_MBM:
		if ((sinfo->filled & STATION_INFO_SIGNAL) &&
		    nla_put_u8(msg, NL80211_STA_INFO_SIGNAL,
			       sinfo->signal))
			goto nla_put_failure;
		if ((sinfo->filled & STATION_INFO_SIGNAL_AVG) &&
		    nla_put_u8(msg, NL80211_STA_INFO_SIGNAL_AVG,
			       sinfo->signal_avg))
			goto nla_put_failure;
		break;
	default:
		break;
	}
	if (sinfo->filled & STATION_INFO_TX_BITRATE) {
		if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
					  NL80211_STA_INFO_TX_BITRATE))
			goto nla_put_failure;
	}
	if (sinfo->filled & STATION_INFO_RX_BITRATE) {
		if (!nl80211_put_sta_rate(msg, &sinfo->rxrate,
					  NL80211_STA_INFO_RX_BITRATE))
			goto nla_put_failure;
	}
	if ((sinfo->filled & STATION_INFO_RX_PACKETS) &&
	    nla_put_u32(msg, NL80211_STA_INFO_RX_PACKETS,
			sinfo->rx_packets))
		goto nla_put_failure;
	if ((sinfo->filled & STATION_INFO_TX_PACKETS) &&
	    nla_put_u32(msg, NL80211_STA_INFO_TX_PACKETS,
			sinfo->tx_packets))
		goto nla_put_failure;
	if ((sinfo->filled & STATION_INFO_TX_RETRIES) &&
	    nla_put_u32(msg, NL80211_STA_INFO_TX_RETRIES,
			sinfo->tx_retries))
		goto nla_put_failure;
	if ((sinfo->filled & STATION_INFO_TX_FAILED) &&
	    nla_put_u32(msg, NL80211_STA_INFO_TX_FAILED,
			sinfo->tx_failed))
		goto nla_put_failure;
	if ((sinfo->filled & STATION_INFO_BEACON_LOSS_COUNT) &&
	    nla_put_u32(msg, NL80211_STA_INFO_BEACON_LOSS,
			sinfo->beacon_loss_count))
		goto nla_put_failure;
	if ((sinfo->filled & STATION_INFO_LOCAL_PM) &&
	    nla_put_u32(msg, NL80211_STA_INFO_LOCAL_PM,
			sinfo->local_pm))
		goto nla_put_failure;
	if ((sinfo->filled & STATION_INFO_PEER_PM) &&
	    nla_put_u32(msg, NL80211_STA_INFO_PEER_PM,
			sinfo->peer_pm))
		goto nla_put_failure;
	if ((sinfo->filled & STATION_INFO_NONPEER_PM) &&
	    nla_put_u32(msg, NL80211_STA_INFO_NONPEER_PM,
			sinfo->nonpeer_pm))
		goto nla_put_failure;
	if (sinfo->filled & STATION_INFO_BSS_PARAM) {
		bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM);
		if (!bss_param)
			goto nla_put_failure;

		if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) &&
		     nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) ||
		    ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) &&
		     nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) ||
		    ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) &&
		     nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) ||
		    nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD,
			       sinfo->bss_param.dtim_period) ||
		    nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL,
				sinfo->bss_param.beacon_interval))
			goto nla_put_failure;

		nla_nest_end(msg, bss_param);
	}
	if ((sinfo->filled & STATION_INFO_STA_FLAGS) &&
	    nla_put(msg, NL80211_STA_INFO_STA_FLAGS,
		    sizeof(struct nl80211_sta_flag_update),
		    &sinfo->sta_flags))
		goto nla_put_failure;
	if ((sinfo->filled & STATION_INFO_T_OFFSET) &&
		nla_put_u64(msg, NL80211_STA_INFO_T_OFFSET,
			    sinfo->t_offset))
		goto nla_put_failure;
	nla_nest_end(msg, sinfoattr);

	if ((sinfo->filled & STATION_INFO_ASSOC_REQ_IES) &&
	    nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len,
		    sinfo->assoc_req_ies))
		goto nla_put_failure;

	return genlmsg_end(msg, hdr);

 nla_put_failure:
	genlmsg_cancel(msg, hdr);
	return -EMSGSIZE;
}
Unknown