Commit 98651ca0 authored by Ajay Singh's avatar Ajay Singh Committed by Greg Kroah-Hartman
Browse files

staging: wilc1000: refactor wilc_get_inactive_time() to avoid deferred handling



Avoid handling of inactive time related wid command in deferred manner.
Instead of posting the wid to workqueue now handle directly from the
caller context.

Signed-off-by: default avatarAjay Singh <ajay.kathat@microchip.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 04a61fbc
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+23 −68
Original line number Diff line number Diff line
@@ -105,18 +105,12 @@ struct set_ip_addr {
	u8 idx;
};

struct sta_inactive_t {
	u32 inactive_time;
	u8 mac[6];
};

union message_body {
	struct scan_attr scan_info;
	struct connect_attr con_info;
	struct rcvd_net_info net_info;
	struct rcvd_async_info async_info;
	struct key_attr key_info;
	struct sta_inactive_t mac_info;
	struct set_ip_addr ip_info;
	struct set_multicast multicast_info;
	struct get_mac_addr get_mac_info;
@@ -1678,48 +1672,6 @@ static void handle_get_statistics(struct work_struct *work)
		kfree(msg);
}

static void handle_get_inactive_time(struct work_struct *work)
{
	struct host_if_msg *msg = container_of(work, struct host_if_msg, work);
	struct wilc_vif *vif = msg->vif;
	struct sta_inactive_t *hif_sta_inactive = &msg->body.mac_info;
	int result;
	struct wid wid;

	wid.id = WID_SET_STA_MAC_INACTIVE_TIME;
	wid.type = WID_STR;
	wid.size = ETH_ALEN;
	wid.val = kmalloc(wid.size, GFP_KERNEL);
	if (!wid.val)
		goto out;

	ether_addr_copy(wid.val, hif_sta_inactive->mac);

	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1,
				      wilc_get_vif_idx(vif));
	kfree(wid.val);

	if (result) {
		netdev_err(vif->ndev, "Failed to set inactive mac\n");
		goto out;
	}

	wid.id = WID_GET_INACTIVE_TIME;
	wid.type = WID_INT;
	wid.val = (s8 *)&hif_sta_inactive->inactive_time;
	wid.size = sizeof(u32);

	result = wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1,
				      wilc_get_vif_idx(vif));

	if (result)
		netdev_err(vif->ndev, "Failed to get inactive time\n");

out:
	/* free 'msg' data in caller */
	complete(&msg->work_comp);
}

static void wilc_hif_pack_sta_param(u8 *cur_byte, const u8 *mac,
				    struct station_parameters *params)
{
@@ -2508,32 +2460,35 @@ int wilc_set_operation_mode(struct wilc_vif *vif, u32 mode)
	return result;
}

s32 wilc_get_inactive_time(struct wilc_vif *vif, const u8 *mac,
			   u32 *out_val)
s32 wilc_get_inactive_time(struct wilc_vif *vif, const u8 *mac, u32 *out_val)
{
	struct wid wid;
	s32 result;
	struct host_if_msg *msg;
	struct host_if_drv *hif_drv = vif->hif_drv;

	if (!hif_drv) {
		netdev_err(vif->ndev, "%s: hif driver is NULL", __func__);
		return -EFAULT;
	}

	msg = wilc_alloc_work(vif, handle_get_inactive_time, true);
	if (IS_ERR(msg))
		return PTR_ERR(msg);
	wid.id = WID_SET_STA_MAC_INACTIVE_TIME;
	wid.type = WID_STR;
	wid.size = ETH_ALEN;
	wid.val = kzalloc(wid.size, GFP_KERNEL);
	if (!wid.val)
		return -ENOMEM;

	memcpy(msg->body.mac_info.mac, mac, ETH_ALEN);
	ether_addr_copy(wid.val, mac);
	result = wilc_send_config_pkt(vif, WILC_SET_CFG, &wid, 1,
				      wilc_get_vif_idx(vif));
	kfree(wid.val);
	if (result) {
		netdev_err(vif->ndev, "Failed to set inactive mac\n");
		return result;
	}

	result = wilc_enqueue_work(msg);
	wid.id = WID_GET_INACTIVE_TIME;
	wid.type = WID_INT;
	wid.val = (s8 *)out_val;
	wid.size = sizeof(u32);
	result = wilc_send_config_pkt(vif, WILC_GET_CFG, &wid, 1,
				      wilc_get_vif_idx(vif));
	if (result)
		netdev_err(vif->ndev, "%s: enqueue work failed\n", __func__);
	else
		wait_for_completion(&msg->work_comp);

	*out_val = msg->body.mac_info.inactive_time;
	kfree(msg);
		netdev_err(vif->ndev, "Failed to get inactive time\n");

	return result;
}