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authorJohn W. Linville <linville@tuxdriver.com>2012-08-22 14:15:47 -0400
committerJohn W. Linville <linville@tuxdriver.com>2012-08-22 14:15:47 -0400
commit6de3f7e911d27d6737c79b3f6b5069044ea408ec (patch)
tree186dcf1897be76a4155f5a22a7f242c29f328c5a /drivers/net/wireless/iwlwifi/dvm
parent33dd7699cefd175c3a5d3d6077db9c8d8322c9a7 (diff)
parent40503f7b48260a91ab65a4f8b00a2c6f004fa807 (diff)
Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-next
Diffstat (limited to 'drivers/net/wireless/iwlwifi/dvm')
-rw-r--r--drivers/net/wireless/iwlwifi/dvm/agn.h9
-rw-r--r--drivers/net/wireless/iwlwifi/dvm/debugfs.c56
-rw-r--r--drivers/net/wireless/iwlwifi/dvm/mac80211.c2
-rw-r--r--drivers/net/wireless/iwlwifi/dvm/main.c24
-rw-r--r--drivers/net/wireless/iwlwifi/dvm/sta.c2
-rw-r--r--drivers/net/wireless/iwlwifi/dvm/tx.c2
6 files changed, 50 insertions, 45 deletions
diff --git a/drivers/net/wireless/iwlwifi/dvm/agn.h b/drivers/net/wireless/iwlwifi/dvm/agn.h
index f0b8c1f7591..75e12f29d9e 100644
--- a/drivers/net/wireless/iwlwifi/dvm/agn.h
+++ b/drivers/net/wireless/iwlwifi/dvm/agn.h
@@ -487,16 +487,13 @@ static inline void iwl_dvm_set_pmi(struct iwl_priv *priv, bool state)
}
#ifdef CONFIG_IWLWIFI_DEBUGFS
-int iwl_dbgfs_register(struct iwl_priv *priv, const char *name);
-void iwl_dbgfs_unregister(struct iwl_priv *priv);
+int iwl_dbgfs_register(struct iwl_priv *priv, struct dentry *dbgfs_dir);
#else
-static inline int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
+static inline int iwl_dbgfs_register(struct iwl_priv *priv,
+ struct dentry *dbgfs_dir)
{
return 0;
}
-static inline void iwl_dbgfs_unregister(struct iwl_priv *priv)
-{
-}
#endif /* CONFIG_IWLWIFI_DEBUGFS */
#ifdef CONFIG_IWLWIFI_DEBUG
diff --git a/drivers/net/wireless/iwlwifi/dvm/debugfs.c b/drivers/net/wireless/iwlwifi/dvm/debugfs.c
index 46782f1102a..ce826bc5f11 100644
--- a/drivers/net/wireless/iwlwifi/dvm/debugfs.c
+++ b/drivers/net/wireless/iwlwifi/dvm/debugfs.c
@@ -2349,24 +2349,19 @@ DEBUGFS_READ_WRITE_FILE_OPS(calib_disabled);
* Create the debugfs files and directories
*
*/
-int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
+int iwl_dbgfs_register(struct iwl_priv *priv, struct dentry *dbgfs_dir)
{
- struct dentry *phyd = priv->hw->wiphy->debugfsdir;
- struct dentry *dir_drv, *dir_data, *dir_rf, *dir_debug;
+ struct dentry *dir_data, *dir_rf, *dir_debug;
- dir_drv = debugfs_create_dir(name, phyd);
- if (!dir_drv)
- return -ENOMEM;
-
- priv->debugfs_dir = dir_drv;
+ priv->debugfs_dir = dbgfs_dir;
- dir_data = debugfs_create_dir("data", dir_drv);
+ dir_data = debugfs_create_dir("data", dbgfs_dir);
if (!dir_data)
goto err;
- dir_rf = debugfs_create_dir("rf", dir_drv);
+ dir_rf = debugfs_create_dir("rf", dbgfs_dir);
if (!dir_rf)
goto err;
- dir_debug = debugfs_create_dir("debug", dir_drv);
+ dir_debug = debugfs_create_dir("debug", dbgfs_dir);
if (!dir_debug)
goto err;
@@ -2412,25 +2407,30 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
/* Calibrations disabled/enabled status*/
DEBUGFS_ADD_FILE(calib_disabled, dir_rf, S_IWUSR | S_IRUSR);
- if (iwl_trans_dbgfs_register(priv->trans, dir_debug))
- goto err;
+ /*
+ * Create a symlink with mac80211. This is not very robust, as it does
+ * not remove the symlink created. The implicit assumption is that
+ * when the opmode exits, mac80211 will also exit, and will remove
+ * this symlink as part of its cleanup.
+ */
+ if (priv->mac80211_registered) {
+ char buf[100];
+ struct dentry *mac80211_dir, *dev_dir, *root_dir;
+
+ dev_dir = dbgfs_dir->d_parent;
+ root_dir = dev_dir->d_parent;
+ mac80211_dir = priv->hw->wiphy->debugfsdir;
+
+ snprintf(buf, 100, "../../%s/%s", root_dir->d_name.name,
+ dev_dir->d_name.name);
+
+ if (!debugfs_create_symlink("iwlwifi", mac80211_dir, buf))
+ goto err;
+ }
+
return 0;
err:
- IWL_ERR(priv, "Can't create the debugfs directory\n");
- iwl_dbgfs_unregister(priv);
+ IWL_ERR(priv, "failed to create the dvm debugfs entries\n");
return -ENOMEM;
}
-
-/**
- * Remove the debugfs files and directories
- *
- */
-void iwl_dbgfs_unregister(struct iwl_priv *priv)
-{
- if (!priv->debugfs_dir)
- return;
-
- debugfs_remove_recursive(priv->debugfs_dir);
- priv->debugfs_dir = NULL;
-}
diff --git a/drivers/net/wireless/iwlwifi/dvm/mac80211.c b/drivers/net/wireless/iwlwifi/dvm/mac80211.c
index e64af60a37c..ff8162d4c45 100644
--- a/drivers/net/wireless/iwlwifi/dvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/dvm/mac80211.c
@@ -195,7 +195,7 @@ int iwlagn_mac_setup_register(struct iwl_priv *priv,
ARRAY_SIZE(iwlagn_iface_combinations_dualmode);
}
- hw->wiphy->max_remain_on_channel_duration = 1000;
+ hw->wiphy->max_remain_on_channel_duration = 500;
hw->wiphy->flags |= WIPHY_FLAG_CUSTOM_REGULATORY |
WIPHY_FLAG_DISABLE_BEACON_HINTS |
diff --git a/drivers/net/wireless/iwlwifi/dvm/main.c b/drivers/net/wireless/iwlwifi/dvm/main.c
index 84d3db5aa50..7ff3f143067 100644
--- a/drivers/net/wireless/iwlwifi/dvm/main.c
+++ b/drivers/net/wireless/iwlwifi/dvm/main.c
@@ -862,7 +862,8 @@ void iwl_down(struct iwl_priv *priv)
* No race since we hold the mutex here and a new one
* can't come in at this time.
*/
- ieee80211_remain_on_channel_expired(priv->hw);
+ if (priv->ucode_loaded && priv->cur_ucode != IWL_UCODE_INIT)
+ ieee80211_remain_on_channel_expired(priv->hw);
exit_pending =
test_and_set_bit(STATUS_EXIT_PENDING, &priv->status);
@@ -994,7 +995,11 @@ static void iwl_bg_restart(struct work_struct *data)
iwlagn_prepare_restart(priv);
mutex_unlock(&priv->mutex);
iwl_cancel_deferred_work(priv);
- ieee80211_restart_hw(priv->hw);
+ if (priv->mac80211_registered)
+ ieee80211_restart_hw(priv->hw);
+ else
+ IWL_ERR(priv,
+ "Cannot request restart before registrating with mac80211");
} else {
WARN_ON(1);
}
@@ -1222,7 +1227,8 @@ static int iwl_eeprom_init_hw_params(struct iwl_priv *priv)
static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans,
const struct iwl_cfg *cfg,
- const struct iwl_fw *fw)
+ const struct iwl_fw *fw,
+ struct dentry *dbgfs_dir)
{
struct iwl_priv *priv;
struct ieee80211_hw *hw;
@@ -1466,13 +1472,17 @@ static struct iwl_op_mode *iwl_op_mode_dvm_start(struct iwl_trans *trans,
if (iwlagn_mac_setup_register(priv, &fw->ucode_capa))
goto out_destroy_workqueue;
- if (iwl_dbgfs_register(priv, DRV_NAME))
- IWL_ERR(priv,
- "failed to create debugfs files. Ignoring error\n");
+ if (iwl_dbgfs_register(priv, dbgfs_dir))
+ goto out_mac80211_unregister;
return op_mode;
+out_mac80211_unregister:
+ iwlagn_mac_unregister(priv);
out_destroy_workqueue:
+ iwl_tt_exit(priv);
+ iwl_testmode_free(priv);
+ iwl_cancel_deferred_work(priv);
destroy_workqueue(priv->workqueue);
priv->workqueue = NULL;
iwl_uninit_drv(priv);
@@ -1493,8 +1503,6 @@ static void iwl_op_mode_dvm_stop(struct iwl_op_mode *op_mode)
IWL_DEBUG_INFO(priv, "*** UNLOAD DRIVER ***\n");
- iwl_dbgfs_unregister(priv);
-
iwl_testmode_free(priv);
iwlagn_mac_unregister(priv);
diff --git a/drivers/net/wireless/iwlwifi/dvm/sta.c b/drivers/net/wireless/iwlwifi/dvm/sta.c
index b29b798f755..fe36a38f350 100644
--- a/drivers/net/wireless/iwlwifi/dvm/sta.c
+++ b/drivers/net/wireless/iwlwifi/dvm/sta.c
@@ -150,7 +150,7 @@ int iwl_send_add_sta(struct iwl_priv *priv,
sta_id, sta->sta.addr, flags & CMD_ASYNC ? "a" : "");
if (!(flags & CMD_ASYNC)) {
- cmd.flags |= CMD_WANT_SKB;
+ cmd.flags |= CMD_WANT_SKB | CMD_WANT_HCMD;
might_sleep();
}
diff --git a/drivers/net/wireless/iwlwifi/dvm/tx.c b/drivers/net/wireless/iwlwifi/dvm/tx.c
index d17799b316d..f5ca73a8987 100644
--- a/drivers/net/wireless/iwlwifi/dvm/tx.c
+++ b/drivers/net/wireless/iwlwifi/dvm/tx.c
@@ -433,7 +433,7 @@ int iwlagn_tx_skb(struct iwl_priv *priv,
* only. Check this here.
*/
if (WARN_ONCE(tid_data->agg.state != IWL_AGG_ON &&
- tid_data->agg.state != IWL_AGG_OFF,
+ tid_data->agg.state != IWL_AGG_OFF,
"Tx while agg.state = %d", tid_data->agg.state))
goto drop_unlock_sta;