wl1251: add get_survey callback in order to get channel noise (19434148) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/net/wireless/wl12xx/wl1251.h

+3 −0

Original line number	Diff line number	Diff line
		@@ -381,6 +381,9 @@ struct wl1251 {

		u32 chip_id;
		char fw_ver[21];

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

		int wl1251_plt_start(struct wl1251 *wl);

+17 −0

Original line number	Diff line number	Diff line
		@@ -1172,6 +1172,22 @@ static int wl1251_op_conf_tx(struct ieee80211_hw *hw, u16 queue,
		return ret;
		}

		static int wl1251_op_get_survey(struct ieee80211_hw *hw, int idx,
		struct survey_info *survey)
		{
		struct wl1251 *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_supported_band wl1251_band_2ghz = {
		.channels = wl1251_channels,
		@@ -1193,6 +1209,7 @@ static const struct ieee80211_ops wl1251_ops = {
		.bss_info_changed = wl1251_op_bss_info_changed,
		.set_rts_threshold = wl1251_op_set_rts_threshold,
		.conf_tx = wl1251_op_conf_tx,
		.get_survey = wl1251_op_get_survey,
		};

		static int wl1251_read_eeprom_byte(struct wl1251 wl, off_t offset, u8 data)

+6 −0

Original line number	Diff line number	Diff line
		@@ -74,6 +74,12 @@ static void wl1251_rx_status(struct wl1251 *wl,

		status->signal = desc->rssi;

		/*
		* FIXME: guessing that snr needs to be divided by two, otherwise
		* the values don't make any sense
		*/
		wl->noise = desc->rssi - desc->snr / 2;

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

		status->flag \|= RX_FLAG_TSFT;