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authorDavid S. Miller <davem@davemloft.net>2008-06-10 12:54:31 +0400
committerDavid S. Miller <davem@davemloft.net>2008-06-10 12:54:31 +0400
commit788c0a53164c05c5ccdb1472474372b72ba74644 (patch)
tree5f274102e3dc4bcca6cb3a695aa2c8228ad5fc4f /drivers/net/wireless/libertas/main.c
parente64bda89b8fe81cce9b4a20885d2c204c2d52532 (diff)
parent78cf07472f0ede8394bacc4bc02354505080cfe1 (diff)
downloadlinux-788c0a53164c05c5ccdb1472474372b72ba74644.tar.xz
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/linville/wireless-next-2.6
Conflicts: drivers/net/ps3_gelic_wireless.c drivers/net/wireless/libertas/main.c
Diffstat (limited to 'drivers/net/wireless/libertas/main.c')
-rw-r--r--drivers/net/wireless/libertas/main.c216
1 files changed, 131 insertions, 85 deletions
diff --git a/drivers/net/wireless/libertas/main.c b/drivers/net/wireless/libertas/main.c
index 02e4fb639428..b7ab3590b586 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>
@@ -343,14 +344,15 @@ 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 +448,8 @@ 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 +471,8 @@ 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 +569,116 @@ 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;
+}
+
+
+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_tx_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;
+ }
- for (i = 0; i < dev->mc_count; i++) {
- memcpy(&priv->multicastlist[i], mcptr->dmi_addr, ETH_ALEN);
- mcptr = mcptr->next;
+ 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_tx_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
@@ -689,14 +722,14 @@ 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 */
@@ -749,16 +782,21 @@ 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 */
@@ -949,12 +987,11 @@ 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);
@@ -1008,7 +1045,7 @@ 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;
@@ -1123,6 +1160,7 @@ 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");
@@ -1159,6 +1197,7 @@ void lbs_remove_card(struct lbs_private *priv)
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) {
@@ -1224,9 +1263,11 @@ 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) {
@@ -1266,8 +1307,9 @@ void lbs_stop_card(struct lbs_private *priv)
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);
+ }
/* Flush pending command nodes */
del_timer_sync(&priv->command_timer);
@@ -1323,6 +1365,8 @@ 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) {
@@ -1334,6 +1378,8 @@ 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;
@@ -1360,8 +1406,9 @@ 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);
@@ -1555,7 +1602,6 @@ 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);