1 files changed, 155 insertions, 114 deletions

diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index acfc4bfcc262..bd32ac0b4e07 100644
--- a/drivers/net/wireless/libertas/main.c
+++ b/drivers/net/wireless/libertas/main.c
@@ -11,6 +11,7 @@
 #include <linux/if_arp.h>
 #include <linux/kthread.h>
 #include <linux/kfifo.h>
+#include <linux/stddef.h>
 
 #include <net/iw_handler.h>
 #include <net/ieee80211.h>
@@ -296,9 +297,7 @@ static ssize_t lbs_rtap_set(struct device *dev,
 			lbs_add_rtap(priv);
 		}
 		priv->monitormode = monitor_mode;
-	}
-
-	else {
+	} else {
 		if (!priv->monitormode)
 			return strlen(buf);
 		priv->monitormode = 0;
@@ -343,14 +342,15 @@ static ssize_t lbs_mesh_set(struct device *dev,
 {
 	struct lbs_private *priv = to_net_dev(dev)->priv;
 	int enable;
-	int ret;
+	int ret, action = CMD_ACT_MESH_CONFIG_STOP;
 
 	sscanf(buf, "%x", &enable);
 	enable = !!enable;
 	if (enable == !!priv->mesh_dev)
 		return count;
-
-	ret = lbs_mesh_config(priv, enable, priv->curbssparams.channel);
+	if (enable)
+		action = CMD_ACT_MESH_CONFIG_START;
+	ret = lbs_mesh_config(priv, action, priv->curbssparams.channel);
 	if (ret)
 		return ret;
 
@@ -446,6 +446,8 @@ static int lbs_mesh_stop(struct net_device *dev)
 
 	spin_unlock_irq(&priv->driver_lock);
 
+	schedule_work(&priv->mcast_work);
+
 	lbs_deb_leave(LBS_DEB_MESH);
 	return 0;
 }
@@ -467,6 +469,8 @@ static int lbs_eth_stop(struct net_device *dev)
 	netif_stop_queue(dev);
 	spin_unlock_irq(&priv->driver_lock);
 
+	schedule_work(&priv->mcast_work);
+
 	lbs_deb_leave(LBS_DEB_NET);
 	return 0;
 }
@@ -563,89 +567,116 @@ done:
 	return ret;
 }
 
-static int lbs_copy_multicast_address(struct lbs_private *priv,
-				     struct net_device *dev)
+
+static inline int mac_in_list(unsigned char *list, int list_len,
+			      unsigned char *mac)
 {
-	int i = 0;
-	struct dev_mc_list *mcptr = dev->mc_list;
+	while (list_len) {
+		if (!memcmp(list, mac, ETH_ALEN))
+			return 1;
+		list += ETH_ALEN;
+		list_len--;
+	}
+	return 0;
+}
 
-	for (i = 0; i < dev->mc_count; i++) {
-		memcpy(&priv->multicastlist[i], mcptr->dmi_addr, ETH_ALEN);
-		mcptr = mcptr->next;
+
+static int lbs_add_mcast_addrs(struct cmd_ds_mac_multicast_adr *cmd,
+			       struct net_device *dev, int nr_addrs)
+{
+	int i = nr_addrs;
+	struct dev_mc_list *mc_list;
+	DECLARE_MAC_BUF(mac);
+
+	if ((dev->flags & (IFF_UP|IFF_MULTICAST)) != (IFF_UP|IFF_MULTICAST))
+		return nr_addrs;
+
+	netif_addr_lock_bh(dev);
+	for (mc_list = dev->mc_list; mc_list; mc_list = mc_list->next) {
+		if (mac_in_list(cmd->maclist, nr_addrs, mc_list->dmi_addr)) {
+			lbs_deb_net("mcast address %s:%s skipped\n", dev->name,
+				    print_mac(mac, mc_list->dmi_addr));
+			continue;
+		}
+
+		if (i == MRVDRV_MAX_MULTICAST_LIST_SIZE)
+			break;
+		memcpy(&cmd->maclist[6*i], mc_list->dmi_addr, ETH_ALEN);
+		lbs_deb_net("mcast address %s:%s added to filter\n", dev->name,
+			    print_mac(mac, mc_list->dmi_addr));
+		i++;
 	}
+	netif_addr_unlock_bh(dev);
+	if (mc_list)
+		return -EOVERFLOW;
+
 	return i;
 }
 
-static void lbs_set_multicast_list(struct net_device *dev)
+static void lbs_set_mcast_worker(struct work_struct *work)
 {
-	struct lbs_private *priv = dev->priv;
-	int old_mac_control;
-	DECLARE_MAC_BUF(mac);
+	struct lbs_private *priv = container_of(work, struct lbs_private, mcast_work);
+	struct cmd_ds_mac_multicast_adr mcast_cmd;
+	int dev_flags;
+	int nr_addrs;
+	int old_mac_control = priv->mac_control;
 
 	lbs_deb_enter(LBS_DEB_NET);
 
-	old_mac_control = priv->mac_control;
-
-	if (dev->flags & IFF_PROMISC) {
-		lbs_deb_net("enable promiscuous mode\n");
-		priv->mac_control |=
-		    CMD_ACT_MAC_PROMISCUOUS_ENABLE;
-		priv->mac_control &=
-		    ~(CMD_ACT_MAC_ALL_MULTICAST_ENABLE |
-		      CMD_ACT_MAC_MULTICAST_ENABLE);
-	} else {
-		/* Multicast */
-		priv->mac_control &=
-		    ~CMD_ACT_MAC_PROMISCUOUS_ENABLE;
-
-		if (dev->flags & IFF_ALLMULTI || dev->mc_count >
-		    MRVDRV_MAX_MULTICAST_LIST_SIZE) {
-			lbs_deb_net( "enabling all multicast\n");
-			priv->mac_control |=
-			    CMD_ACT_MAC_ALL_MULTICAST_ENABLE;
-			priv->mac_control &=
-			    ~CMD_ACT_MAC_MULTICAST_ENABLE;
-		} else {
-			priv->mac_control &=
-			    ~CMD_ACT_MAC_ALL_MULTICAST_ENABLE;
-
-			if (!dev->mc_count) {
-				lbs_deb_net("no multicast addresses, "
-				       "disabling multicast\n");
-				priv->mac_control &=
-				    ~CMD_ACT_MAC_MULTICAST_ENABLE;
-			} else {
-				int i;
-
-				priv->mac_control |=
-				    CMD_ACT_MAC_MULTICAST_ENABLE;
-
-				priv->nr_of_multicastmacaddr =
-				    lbs_copy_multicast_address(priv, dev);
-
-				lbs_deb_net("multicast addresses: %d\n",
-				       dev->mc_count);
-
-				for (i = 0; i < dev->mc_count; i++) {
-					lbs_deb_net("Multicast address %d: %s\n",
-					       i, print_mac(mac,
-					       priv->multicastlist[i]));
-				}
-				/* send multicast addresses to firmware */
-				lbs_prepare_and_send_command(priv,
-						      CMD_MAC_MULTICAST_ADR,
-						      CMD_ACT_SET, 0, 0,
-						      NULL);
-			}
-		}
+	dev_flags = priv->dev->flags;
+	if (priv->mesh_dev)
+		dev_flags |= priv->mesh_dev->flags;
+
+	if (dev_flags & IFF_PROMISC) {
+		priv->mac_control |= CMD_ACT_MAC_PROMISCUOUS_ENABLE;
+		priv->mac_control &= ~(CMD_ACT_MAC_ALL_MULTICAST_ENABLE |
+				       CMD_ACT_MAC_MULTICAST_ENABLE);
+		goto out_set_mac_control;
+	} else if (dev_flags & IFF_ALLMULTI) {
+	do_allmulti:
+		priv->mac_control |= CMD_ACT_MAC_ALL_MULTICAST_ENABLE;
+		priv->mac_control &= ~(CMD_ACT_MAC_PROMISCUOUS_ENABLE |
+				       CMD_ACT_MAC_MULTICAST_ENABLE);
+		goto out_set_mac_control;
 	}
 
+	/* Once for priv->dev, again for priv->mesh_dev if it exists */
+	nr_addrs = lbs_add_mcast_addrs(&mcast_cmd, priv->dev, 0);
+	if (nr_addrs >= 0 && priv->mesh_dev)
+		nr_addrs = lbs_add_mcast_addrs(&mcast_cmd, priv->mesh_dev, nr_addrs);
+	if (nr_addrs < 0)
+		goto do_allmulti;
+
+	if (nr_addrs) {
+		int size = offsetof(struct cmd_ds_mac_multicast_adr,
+				    maclist[6*nr_addrs]);
+
+		mcast_cmd.action = cpu_to_le16(CMD_ACT_SET);
+		mcast_cmd.hdr.size = cpu_to_le16(size);
+		mcast_cmd.nr_of_adrs = cpu_to_le16(nr_addrs);
+
+		lbs_cmd_async(priv, CMD_MAC_MULTICAST_ADR, &mcast_cmd.hdr, size);
+
+		priv->mac_control |= CMD_ACT_MAC_MULTICAST_ENABLE;
+	} else
+		priv->mac_control &= ~CMD_ACT_MAC_MULTICAST_ENABLE;
+
+	priv->mac_control &= ~(CMD_ACT_MAC_PROMISCUOUS_ENABLE |
+			       CMD_ACT_MAC_ALL_MULTICAST_ENABLE);
+ out_set_mac_control:
 	if (priv->mac_control != old_mac_control)
 		lbs_set_mac_control(priv);
 
 	lbs_deb_leave(LBS_DEB_NET);
 }
 
+static void lbs_set_multicast_list(struct net_device *dev)
+{
+	struct lbs_private *priv = dev->priv;
+
+	schedule_work(&priv->mcast_work);
+}
+
 /**
  *  @brief This function handles the major jobs in the LBS driver.
  *  It handles all events generated by firmware, RX data received
@@ -689,20 +720,20 @@ static int lbs_thread(void *data)
 			shouldsleep = 1;	/* Something is en route to the device already */
 		else if (priv->tx_pending_len > 0)
 			shouldsleep = 0;	/* We've a packet to send */
+		else if (priv->resp_len[priv->resp_idx])
+			shouldsleep = 0;	/* We have a command response */
 		else if (priv->cur_cmd)
 			shouldsleep = 1;	/* Can't send a command; one already running */
 		else if (!list_empty(&priv->cmdpendingq))
 			shouldsleep = 0;	/* We have a command to send */
 		else if (__kfifo_len(priv->event_fifo))
 			shouldsleep = 0;	/* We have an event to process */
-		else if (priv->resp_len[priv->resp_idx])
-			shouldsleep = 0;	/* We have a command response */
 		else
 			shouldsleep = 1;	/* No command */
 
 		if (shouldsleep) {
 			lbs_deb_thread("sleeping, connect_status %d, "
-				"ps_mode %d, ps_state %d\n",
+				"psmode %d, psstate %d\n",
 				priv->connect_status,
 				priv->psmode, priv->psstate);
 			spin_unlock_irq(&priv->driver_lock);
@@ -749,16 +780,21 @@ static int lbs_thread(void *data)
 		if (priv->cmd_timed_out && priv->cur_cmd) {
 			struct cmd_ctrl_node *cmdnode = priv->cur_cmd;
 
-			if (++priv->nr_retries > 10) {
-				lbs_pr_info("Excessive timeouts submitting command %x\n",
-					    le16_to_cpu(cmdnode->cmdbuf->command));
+			if (++priv->nr_retries > 3) {
+				lbs_pr_info("Excessive timeouts submitting "
+					"command 0x%04x\n",
+					le16_to_cpu(cmdnode->cmdbuf->command));
 				lbs_complete_command(priv, cmdnode, -ETIMEDOUT);
 				priv->nr_retries = 0;
+				if (priv->reset_card)
+					priv->reset_card(priv);
 			} else {
 				priv->cur_cmd = NULL;
 				priv->dnld_sent = DNLD_RES_RECEIVED;
-				lbs_pr_info("requeueing command %x due to timeout (#%d)\n",
-					    le16_to_cpu(cmdnode->cmdbuf->command), priv->nr_retries);
+				lbs_pr_info("requeueing command 0x%04x due "
+					"to timeout (#%d)\n",
+					le16_to_cpu(cmdnode->cmdbuf->command),
+					priv->nr_retries);
 
 				/* Stick it back at the _top_ of the pending queue
 				   for immediate resubmission */
@@ -890,7 +926,7 @@ int lbs_suspend(struct lbs_private *priv)
 }
 EXPORT_SYMBOL_GPL(lbs_suspend);
 
-int lbs_resume(struct lbs_private *priv)
+void lbs_resume(struct lbs_private *priv)
 {
 	lbs_deb_enter(LBS_DEB_FW);
 
@@ -906,7 +942,6 @@ int lbs_resume(struct lbs_private *priv)
 		netif_device_attach(priv->mesh_dev);
 
 	lbs_deb_leave(LBS_DEB_FW);
-	return 0;
 }
 EXPORT_SYMBOL_GPL(lbs_resume);
 
@@ -929,20 +964,10 @@ static int lbs_setup_firmware(struct lbs_private *priv)
 	 */
 	memset(priv->current_addr, 0xff, ETH_ALEN);
 	ret = lbs_update_hw_spec(priv);
-	if (ret) {
-		ret = -1;
+	if (ret)
 		goto done;
-	}
 
 	lbs_set_mac_control(priv);
-
-	ret = lbs_get_data_rate(priv);
-	if (ret < 0) {
-		ret = -1;
-		goto done;
-	}
-
-	ret = 0;
 done:
 	lbs_deb_leave_args(LBS_DEB_FW, "ret %d", ret);
 	return ret;
@@ -960,12 +985,11 @@ static void command_timer_fn(unsigned long data)
 	lbs_deb_enter(LBS_DEB_CMD);
 	spin_lock_irqsave(&priv->driver_lock, flags);
 
-	if (!priv->cur_cmd) {
-		lbs_pr_info("Command timer expired; no pending command\n");
+	if (!priv->cur_cmd)
 		goto out;
-	}
 
-	lbs_pr_info("Command %x timed out\n", le16_to_cpu(priv->cur_cmd->cmdbuf->command));
+	lbs_pr_info("command 0x%04x timed out\n",
+		le16_to_cpu(priv->cur_cmd->cmdbuf->command));
 
 	priv->cmd_timed_out = 1;
 	wake_up_interruptible(&priv->waitq);
@@ -1019,7 +1043,7 @@ static int lbs_init_adapter(struct lbs_private *priv)
 	priv->curbssparams.channel = DEFAULT_AD_HOC_CHANNEL;
 	priv->mac_control = CMD_ACT_MAC_RX_ON | CMD_ACT_MAC_TX_ON;
 	priv->radioon = RADIO_ON;
-	priv->auto_rate = 1;
+	priv->enablehwauto = 1;
 	priv->capability = WLAN_CAPABILITY_SHORT_PREAMBLE;
 	priv->psmode = LBS802_11POWERMODECAM;
 	priv->psstate = PS_STATE_FULL_POWER;
@@ -1134,6 +1158,7 @@ struct lbs_private *lbs_add_card(void *card, struct device *dmdev)
 	priv->work_thread = create_singlethread_workqueue("lbs_worker");
 	INIT_DELAYED_WORK(&priv->assoc_work, lbs_association_worker);
 	INIT_DELAYED_WORK(&priv->scan_work, lbs_scan_worker);
+	INIT_WORK(&priv->mcast_work, lbs_set_mcast_worker);
 	INIT_WORK(&priv->sync_channel, lbs_sync_channel_worker);
 
 	sprintf(priv->mesh_ssid, "mesh");
@@ -1156,7 +1181,7 @@ done:
 EXPORT_SYMBOL_GPL(lbs_add_card);
 
 
-int lbs_remove_card(struct lbs_private *priv)
+void lbs_remove_card(struct lbs_private *priv)
 {
 	struct net_device *dev = priv->dev;
 	union iwreq_data wrqu;
@@ -1168,8 +1193,9 @@ int lbs_remove_card(struct lbs_private *priv)
 
 	dev = priv->dev;
 
-	cancel_delayed_work(&priv->scan_work);
-	cancel_delayed_work(&priv->assoc_work);
+	cancel_delayed_work_sync(&priv->scan_work);
+	cancel_delayed_work_sync(&priv->assoc_work);
+	cancel_work_sync(&priv->mcast_work);
 	destroy_workqueue(priv->work_thread);
 
 	if (priv->psmode == LBS802_11POWERMODEMAX_PSP) {
@@ -1191,7 +1217,6 @@ int lbs_remove_card(struct lbs_private *priv)
 	free_netdev(dev);
 
 	lbs_deb_leave(LBS_DEB_MAIN);
-	return 0;
 }
 EXPORT_SYMBOL_GPL(lbs_remove_card);
 
@@ -1215,8 +1240,6 @@ int lbs_start_card(struct lbs_private *priv)
 		lbs_pr_err("cannot register ethX device\n");
 		goto done;
 	}
-	if (device_create_file(&dev->dev, &dev_attr_lbs_rtap))
-		lbs_pr_err("cannot register lbs_rtap attribute\n");
 
 	lbs_update_channel(priv);
 
@@ -1236,9 +1259,11 @@ int lbs_start_card(struct lbs_private *priv)
 		   useful */
 
 		priv->mesh_tlv = 0x100 + 291;
-		if (lbs_mesh_config(priv, 1, priv->curbssparams.channel)) {
+		if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START,
+				    priv->curbssparams.channel)) {
 			priv->mesh_tlv = 0x100 + 37;
-			if (lbs_mesh_config(priv, 1, priv->curbssparams.channel))
+			if (lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START,
+					    priv->curbssparams.channel))
 				priv->mesh_tlv = 0;
 		}
 		if (priv->mesh_tlv) {
@@ -1246,6 +1271,13 @@ int lbs_start_card(struct lbs_private *priv)
 
 			if (device_create_file(&dev->dev, &dev_attr_lbs_mesh))
 				lbs_pr_err("cannot register lbs_mesh attribute\n");
+
+			/* While rtap isn't related to mesh, only mesh-enabled
+			 * firmware implements the rtap functionality via
+			 * CMD_802_11_MONITOR_MODE.
+			 */
+			if (device_create_file(&dev->dev, &dev_attr_lbs_rtap))
+				lbs_pr_err("cannot register lbs_rtap attribute\n");
 		}
 	}
 
@@ -1262,24 +1294,28 @@ done:
 EXPORT_SYMBOL_GPL(lbs_start_card);
 
 
-int lbs_stop_card(struct lbs_private *priv)
+void lbs_stop_card(struct lbs_private *priv)
 {
 	struct net_device *dev = priv->dev;
-	int ret = -1;
 	struct cmd_ctrl_node *cmdnode;
 	unsigned long flags;
 
 	lbs_deb_enter(LBS_DEB_MAIN);
 
+	if (!priv)
+		goto out;
+
 	netif_stop_queue(priv->dev);
 	netif_carrier_off(priv->dev);
 
 	lbs_debugfs_remove_one(priv);
-	device_remove_file(&dev->dev, &dev_attr_lbs_rtap);
-	if (priv->mesh_tlv)
+	if (priv->mesh_tlv) {
 		device_remove_file(&dev->dev, &dev_attr_lbs_mesh);
+		device_remove_file(&dev->dev, &dev_attr_lbs_rtap);
+	}
 
 	/* Flush pending command nodes */
+	del_timer_sync(&priv->command_timer);
 	spin_lock_irqsave(&priv->driver_lock, flags);
 	list_for_each_entry(cmdnode, &priv->cmdpendingq, list) {
 		cmdnode->result = -ENOENT;
@@ -1290,8 +1326,8 @@ int lbs_stop_card(struct lbs_private *priv)
 
 	unregister_netdev(dev);
 
-	lbs_deb_leave_args(LBS_DEB_MAIN, "ret %d", ret);
-	return ret;
+out:
+	lbs_deb_leave(LBS_DEB_MAIN);
 }
 EXPORT_SYMBOL_GPL(lbs_stop_card);
 
@@ -1332,6 +1368,8 @@ static int lbs_add_mesh(struct lbs_private *priv)
 #ifdef	WIRELESS_EXT
 	mesh_dev->wireless_handlers = (struct iw_handler_def *)&mesh_handler_def;
 #endif
+	mesh_dev->flags |= IFF_BROADCAST | IFF_MULTICAST;
+	mesh_dev->set_multicast_list = lbs_set_multicast_list;
 	/* Register virtual mesh interface */
 	ret = register_netdev(mesh_dev);
 	if (ret) {
@@ -1343,6 +1381,8 @@ static int lbs_add_mesh(struct lbs_private *priv)
 	if (ret)
 		goto err_unregister;
 
+	lbs_persist_config_init(mesh_dev);
+
 	/* Everything successful */
 	ret = 0;
 	goto done;
@@ -1369,8 +1409,9 @@ static void lbs_remove_mesh(struct lbs_private *priv)
 
 	lbs_deb_enter(LBS_DEB_MESH);
 	netif_stop_queue(mesh_dev);
-	netif_carrier_off(priv->mesh_dev);
+	netif_carrier_off(mesh_dev);
 	sysfs_remove_group(&(mesh_dev->dev.kobj), &lbs_mesh_attr_group);
+	lbs_persist_config_remove(mesh_dev);
 	unregister_netdev(mesh_dev);
 	priv->mesh_dev = NULL;
 	free_netdev(mesh_dev);
@@ -1533,10 +1574,11 @@ static void lbs_remove_rtap(struct lbs_private *priv)
 {
 	lbs_deb_enter(LBS_DEB_MAIN);
 	if (priv->rtap_net_dev == NULL)
-		return;
+		goto out;
 	unregister_netdev(priv->rtap_net_dev);
 	free_netdev(priv->rtap_net_dev);
 	priv->rtap_net_dev = NULL;
+out:
 	lbs_deb_leave(LBS_DEB_MAIN);
 }
 
@@ -1563,7 +1605,6 @@ static int lbs_add_rtap(struct lbs_private *priv)
 	rtap_dev->stop = lbs_rtap_stop;
 	rtap_dev->get_stats = lbs_rtap_get_stats;
 	rtap_dev->hard_start_xmit = lbs_rtap_hard_start_xmit;
-	rtap_dev->set_multicast_list = lbs_set_multicast_list;
 	rtap_dev->priv = priv;
 	SET_NETDEV_DEV(rtap_dev, priv->dev->dev.parent);