wil6210: add support for channel 4

wil6210 supports channels 1-3 of the 60GHz band.
New FW added support for channel 4. Add support for channel 4 also in
wil6210 driver.
Signed-off-by: Alexei Avshalom Lazar <ailizaro@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/ath/wil6210/cfg80211.c

@@ -48,9 +48,29 @@ static struct ieee80211_channel wil_60ghz_channels[] = {
 	CHAN60G(1, 0),
 	CHAN60G(2, 0),
 	CHAN60G(3, 0),
-/* channel 4 not supported yet */
+	CHAN60G(4, 0),
 };
 
+static int wil_num_supported_channels(struct wil6210_priv *wil)
+{
+	int num_channels = ARRAY_SIZE(wil_60ghz_channels);
+
+	if (!test_bit(WMI_FW_CAPABILITY_CHANNEL_4, wil->fw_capabilities))
+		num_channels--;
+
+	return num_channels;
+}
+
+void update_supported_bands(struct wil6210_priv *wil)
+{
+	struct wiphy *wiphy = wil_to_wiphy(wil);
+
+	wil_dbg_misc(wil, "update supported bands");
+
+	wiphy->bands[NL80211_BAND_60GHZ]->n_channels =
+						wil_num_supported_channels(wil);
+}
+
 /* Vendor id to be used in vendor specific command and events
  * to user space.
  * NOTE: The authoritative place for definition of QCA_NL80211_VENDOR_ID,

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

@@ -1154,6 +1154,8 @@ void wil_refresh_fw_capabilities(struct wil6210_priv *wil)
 		wil->max_agg_wsize = WIL_MAX_AGG_WSIZE;
 		wil->max_ampdu_size = WIL_MAX_AMPDU_SIZE;
 	}
+
+	update_supported_bands(wil);
 }
 
 void wil_mbox_ring_le2cpus(struct wil6210_mbox_ring *r)

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

@@ -1370,4 +1370,6 @@ int wmi_addba_rx_resp_edma(struct wil6210_priv *wil, u8 mid, u8 cid,
 			   u8 tid, u8 token, u16 status, bool amsdu,
 			   u16 agg_wsize, u16 timeout);
 
+void update_supported_bands(struct wil6210_priv *wil);
+
 #endif /* __WIL6210_H__ */

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

@@ -103,6 +103,7 @@ enum wmi_fw_capability {
 	WMI_FW_CAPABILITY_AMSDU				= 23,
 	WMI_FW_CAPABILITY_RAW_MODE			= 24,
 	WMI_FW_CAPABILITY_TX_REQ_EXT			= 25,
+	WMI_FW_CAPABILITY_CHANNEL_4			= 26,
 	WMI_FW_CAPABILITY_MAX,
 };