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Commit 1442cc9a authored by Dedy Lansky's avatar Dedy Lansky Committed by Lior David
Browse files

wil6210: drop RX probe reponses with low SNR 



FW now reports SNR for RX management frames.
Drop probe responses with SNR lower than the configured threshold.

Change-Id: Ife1863b07aebe5cb6097420290c0c10b590c2da1
Signed-off-by: default avatarDedy Lansky <dlansky@codeaurora.org>
CRs-Fixed: 2143032
Signed-off-by: default avatarAlexei Avshalom Lazar <ailizaro@codeaurora.org>
[liord@codeaurora.org: fix merge conflicts]
Signed-off-by: default avatarLior David <liord@codeaurora.org>
parent 027a0c85

drivers/net/wireless/ath/wil6210/wmi.c

+8 −3
Original line number Diff line number Diff line
@@ -777,7 +777,7 @@ static void wmi_evt_rx_mgmt(struct wil6210_vif *vif, int id, void *d, int len) 
	s32 signal;

	__le16 fc;

	u32 d_len;

	u16 d_status;

	s16 snr;



	if (flen < 0) {

		wil_err(wil, "MGMT Rx: short event, len %d\n", len);
@@ -799,13 +799,13 @@ static void wmi_evt_rx_mgmt(struct wil6210_vif *vif, int id, void *d, int len) 
		signal = 100 * data->info.rssi;

	else

		signal = data->info.sqi;

	d_status = le16_to_cpu(data->info.status);

	snr = le16_to_cpu(data->info.snr); /* 1/4 dB units */

	fc = rx_mgmt_frame->frame_control;



	wil_dbg_wmi(wil, "MGMT Rx: channel %d MCS %d RSSI %d SQI %d%%\n",

		    data->info.channel, data->info.mcs, data->info.rssi,

		    data->info.sqi);

	wil_dbg_wmi(wil, "status 0x%04x len %d fc 0x%04x\n", d_status, d_len,

	wil_dbg_wmi(wil, "snr %ddB len %d fc 0x%04x\n", snr / 4, d_len,

		    le16_to_cpu(fc));

	wil_dbg_wmi(wil, "qid %d mid %d cid %d\n",

		    data->info.qid, data->info.mid, data->info.cid);
@@ -833,6 +833,11 @@ static void wmi_evt_rx_mgmt(struct wil6210_vif *vif, int id, void *d, int len) 


		wil_dbg_wmi(wil, "Capability info : 0x%04x\n", cap);



		if (wil->snr_thresh.enabled && snr < wil->snr_thresh.omni) {

			wil_dbg_wmi(wil, "snr below threshold. dropping\n");

			return;

		}



		bss = cfg80211_inform_bss_frame(wiphy, channel, rx_mgmt_frame,

						d_len, signal, GFP_KERNEL);

		if (bss) {

drivers/net/wireless/ath/wil6210/wmi.h

+1 −1
Original line number Diff line number Diff line
@@ -2369,7 +2369,7 @@ struct wmi_rx_mgmt_info { 
	u8 range;

	u8 sqi;

	__le16 stype;

	__le16 status;

	__le16 snr;

	__le32 len;

	/* Not resolved when == 0xFFFFFFFF == > Broadcast to all MIDS */

	u8 qid;