qtnfmac: report hardware/firmware information via ethtool

Enable reporting of qtnfmac hardware and firmware details
using ethtool command.
Signed-off-by: Vasily Ulyanov <vulyanov@quantenna.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/quantenna/qtnfmac/cfg80211.c

@@ -972,6 +972,10 @@ int qtnf_wiphy_register(struct qtnf_hw_info *hw_info, struct qtnf_wmac *mac)
 		wiphy->regulatory_flags |= REGULATORY_WIPHY_SELF_MANAGED;
 	}
 
+	strlcpy(wiphy->fw_version, hw_info->fw_version,
+		sizeof(wiphy->fw_version));
+	wiphy->hw_version = hw_info->hw_version;
+
 	ret = wiphy_register(wiphy);
 	if (ret < 0)
 		goto out;

drivers/net/wireless/quantenna/qtnfmac/commands.c

@@ -1107,6 +1107,9 @@ qtnf_cmd_resp_proc_hw_info(struct qtnf_bus *bus,
 		(unsigned long)plat_id,
 		hw_id, calibration_ver, uboot_ver, hw_ver);
 
+	strlcpy(hwinfo->fw_version, bld_label, sizeof(hwinfo->fw_version));
+	hwinfo->hw_version = hw_ver;
+
 	return 0;
 }
 

drivers/net/wireless/quantenna/qtnfmac/core.c

@@ -331,6 +331,10 @@ static struct qtnf_wmac *qtnf_core_mac_alloc(struct qtnf_bus *bus,
 	return mac;
 }
 
+static const struct ethtool_ops qtnf_ethtool_ops = {
+	.get_drvinfo = cfg80211_get_drvinfo,
+};
+
 int qtnf_core_net_attach(struct qtnf_wmac *mac, struct qtnf_vif *vif,
 			 const char *name, unsigned char name_assign_type)
 {
@@ -358,6 +362,7 @@ int qtnf_core_net_attach(struct qtnf_wmac *mac, struct qtnf_vif *vif,
 	dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
 	dev->watchdog_timeo = QTNF_DEF_WDOG_TIMEOUT;
 	dev->tx_queue_len = 100;
+	dev->ethtool_ops = &qtnf_ethtool_ops;
 
 	qdev_vif = netdev_priv(dev);
 	*((void **)qdev_vif) = vif;

drivers/net/wireless/quantenna/qtnfmac/core.h

@@ -145,6 +145,8 @@ struct qtnf_hw_info {
 	struct ieee80211_regdomain *rd;
 	u8 total_tx_chain;
 	u8 total_rx_chain;
+	char fw_version[ETHTOOL_FWVERS_LEN];
+	u32 hw_version;
 };
 
 struct qtnf_vif *qtnf_mac_get_free_vif(struct qtnf_wmac *mac);