wl1271: add get_survey callback in order to get channel noise (ece550d0) · Commits · e / devices / android_kernel_sony_msm8998

drivers/net/wireless/wl12xx/wl1271.h

+3 −0

Original line number	Diff line number	Diff line
		@@ -475,6 +475,9 @@ struct wl1271 {
		bool sg_enabled;

		struct list_head list;

		/* Most recently reported noise in dBm */
		s8 noise;
		};

		int wl1271_plt_start(struct wl1271 *wl);

+17 −0

Original line number	Diff line number	Diff line
		@@ -1927,6 +1927,22 @@ out:
		return mactime;
		}

		static int wl1271_op_get_survey(struct ieee80211_hw *hw, int idx,
		struct survey_info *survey)
		{
		struct wl1271 *wl = hw->priv;
		struct ieee80211_conf *conf = &hw->conf;

		if (idx != 0)
		return -ENOENT;

		survey->channel = conf->channel;
		survey->filled = SURVEY_INFO_NOISE_DBM;
		survey->noise = wl->noise;

		return 0;
		}

		/* can't be const, mac80211 writes to this */
		static struct ieee80211_rate wl1271_rates[] = {
		{ .bitrate = 10,
		@@ -2156,6 +2172,7 @@ static const struct ieee80211_ops wl1271_ops = {
		.set_rts_threshold = wl1271_op_set_rts_threshold,
		.conf_tx = wl1271_op_conf_tx,
		.get_tsf = wl1271_op_get_tsf,
		.get_survey = wl1271_op_get_survey,
		CFG80211_TESTMODE_CMD(wl1271_tm_cmd)
		};

+7 −0

Original line number	Diff line number	Diff line
		@@ -55,6 +55,13 @@ static void wl1271_rx_status(struct wl1271 *wl,

		status->signal = desc->rssi;

		/*
		* FIXME: In wl1251, the SNR should be divided by two. In wl1271 we
		* need to divide by two for now, but TI has been discussing about
		* changing it. This needs to be rechecked.
		*/
		wl->noise = desc->rssi - (desc->snr >> 1);

		status->freq = ieee80211_channel_to_frequency(desc->channel);

		if (desc->flags & WL1271_RX_DESC_ENCRYPT_MASK) {