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Commit 4775ad06 authored by Sergei Maksimenko's avatar Sergei Maksimenko Committed by Kalle Valo
Browse files

qtnfmac: implement cfg80211 power management callback 



Implement set_power_mgmt() callback that forwards power saving
settings to the device firmware.

Signed-off-by: default avatarSergei Maksimenko <smaksimenko@quantenna.com>
Signed-off-by: default avatarKalle Valo <kvalo@codeaurora.org>
parent 0ad64191

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

+21 −0
Original line number Diff line number Diff line
@@ -843,6 +843,22 @@ static int qtnf_set_mac_acl(struct wiphy *wiphy, 
	return ret;

}



static int qtnf_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,

			       bool enabled, int timeout)

{

	struct qtnf_vif *vif = qtnf_netdev_get_priv(dev);

	int ret;



	ret = qtnf_cmd_send_pm_set(vif, enabled ? QLINK_PM_AUTO_STANDBY :

				   QLINK_PM_OFF, timeout);

	if (ret) {

		pr_err("%s: failed to set PM mode ret=%d\n", dev->name, ret);

		return ret;

	}



	return ret;

}



static struct cfg80211_ops qtn_cfg80211_ops = {

	.add_virtual_intf	= qtnf_add_virtual_intf,

	.change_virtual_intf	= qtnf_change_virtual_intf,
@@ -869,6 +885,7 @@ static struct cfg80211_ops qtn_cfg80211_ops = { 
	.channel_switch		= qtnf_channel_switch,

	.start_radar_detection	= qtnf_start_radar_detection,

	.set_mac_acl		= qtnf_set_mac_acl,

	.set_power_mgmt		= qtnf_set_power_mgmt,

};



static void qtnf_cfg80211_reg_notifier(struct wiphy *wiphy_in,
@@ -921,6 +938,9 @@ struct wiphy *qtnf_wiphy_allocate(struct qtnf_bus *bus) 
	if (bus->hw_info.hw_capab & QLINK_HW_CAPAB_DFS_OFFLOAD)

		qtn_cfg80211_ops.start_radar_detection = NULL;



	if (!(bus->hw_info.hw_capab & QLINK_HW_CAPAB_PWR_MGMT))

		qtn_cfg80211_ops.set_power_mgmt	= NULL;



	wiphy = wiphy_new(&qtn_cfg80211_ops, sizeof(struct qtnf_wmac));

	if (!wiphy)

		return NULL;
@@ -994,6 +1014,7 @@ int qtnf_wiphy_register(struct qtnf_hw_info *hw_info, struct qtnf_wmac *mac) 
			WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD |

			WIPHY_FLAG_AP_UAPSD |

			WIPHY_FLAG_HAS_CHANNEL_SWITCH;

	wiphy->flags &= ~WIPHY_FLAG_PS_ON_BY_DEFAULT;



	if (hw_info->hw_capab & QLINK_HW_CAPAB_DFS_OFFLOAD)

		wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD);

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

+34 −0
Original line number Diff line number Diff line
@@ -2799,3 +2799,37 @@ int qtnf_cmd_set_mac_acl(const struct qtnf_vif *vif, 


	return ret;

}



int qtnf_cmd_send_pm_set(const struct qtnf_vif *vif, u8 pm_mode, int timeout)

{

	struct qtnf_bus *bus = vif->mac->bus;

	struct sk_buff *cmd_skb;

	u16 res_code = QLINK_CMD_RESULT_OK;

	struct qlink_cmd_pm_set *cmd;

	int ret = 0;



	cmd_skb = qtnf_cmd_alloc_new_cmdskb(vif->mac->macid, vif->vifid,

					    QLINK_CMD_PM_SET, sizeof(*cmd));

	if (!cmd_skb)

		return -ENOMEM;



	cmd = (struct qlink_cmd_pm_set *)cmd_skb->data;

	cmd->pm_mode = pm_mode;

	cmd->pm_standby_timer = cpu_to_le32(timeout);



	qtnf_bus_lock(bus);



	ret = qtnf_cmd_send(bus, cmd_skb, &res_code);



	if (unlikely(ret))

		goto out;



	if (unlikely(res_code != QLINK_CMD_RESULT_OK)) {

		pr_err("cmd exec failed: 0x%.4X\n", res_code);

		ret = -EFAULT;

	}



out:

	qtnf_bus_unlock(bus);

	return ret;

}

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

+1 −0
Original line number Diff line number Diff line
@@ -76,5 +76,6 @@ int qtnf_cmd_start_cac(const struct qtnf_vif *vif, 
		       u32 cac_time_ms);

int qtnf_cmd_set_mac_acl(const struct qtnf_vif *vif,

			 const struct cfg80211_acl_data *params);

int qtnf_cmd_send_pm_set(const struct qtnf_vif *vif, u8 pm_mode, int timeout);



#endif /* QLINK_COMMANDS_H_ */

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

+26 −0
Original line number Diff line number Diff line
@@ -77,6 +77,7 @@ enum qlink_hw_capab { 
	QLINK_HW_CAPAB_STA_INACT_TIMEOUT	= BIT(1),

	QLINK_HW_CAPAB_DFS_OFFLOAD		= BIT(2),

	QLINK_HW_CAPAB_SCAN_RANDOM_MAC_ADDR	= BIT(3),

	QLINK_HW_CAPAB_PWR_MGMT			= BIT(4),

};



enum qlink_iface_type {
@@ -256,6 +257,7 @@ enum qlink_cmd_type { 
	QLINK_CMD_CHAN_STATS		= 0x0054,

	QLINK_CMD_CONNECT		= 0x0060,

	QLINK_CMD_DISCONNECT		= 0x0061,

	QLINK_CMD_PM_SET		= 0x0062,

};



/**
@@ -668,6 +670,30 @@ struct qlink_acl_data { 
	struct qlink_mac_address mac_addrs[0];

} __packed;



/**

 * enum qlink_pm_mode - Power Management mode

 *

 * @QLINK_PM_OFF: normal mode, no power saving enabled

 * @QLINK_PM_AUTO_STANDBY: enable auto power save mode

 */

enum qlink_pm_mode {

	QLINK_PM_OFF		= 0,

	QLINK_PM_AUTO_STANDBY	= 1,

};



/**

 * struct qlink_cmd_pm_set - data for QLINK_CMD_PM_SET command

 *

 * @pm_standby timer: period of network inactivity in seconds before

 *	putting a radio in power save mode

 * @pm_mode: power management mode

 */

struct qlink_cmd_pm_set {

	struct qlink_cmd chdr;

	__le32 pm_standby_timer;

	u8 pm_mode;

} __packed;



/* QLINK Command Responses messages related definitions

 */