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iwlwifi: fix priv->iw_mode setting when multiple vif are configured 

mac80211 supports multiple virtual interfaces for a single device. For
example, a managed interface (wlan0) and a monitor interface (mon0) can
exist at the same time. Thus priv->iw_mode is not sufficient to track
the wireless mode any more. The patch redefines priv->iw_mode as the
first interface mode (the same as priv->vif->type if priv->vif != NULL).
If another monitor type interface is created later, we don't change
priv->iw_mode into monitor. This way, the original interface still
works. The patch also requests mac80211 to do reassociation after we
change the Rx filter flags.

Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Zhu, Yi 2008-10-29 14:05:45 -07:00 committed by John W. Linville
parent eb4779c405
commit 60294de3af
2 changed files with 16 additions and 17 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
drivers/net/wireless/iwlwifi/iwl-agn.c
View File

@ -726,13 +726,13 @@ static void iwl_set_flags_for_band(struct iwl_priv *priv,
/*
* initialize rxon structure with default values from eeprom
*/
static void iwl4965_connection_init_rx_config(struct iwl_priv *priv)
static void iwl4965_connection_init_rx_config(struct iwl_priv *priv, int mode)
{
const struct iwl_channel_info *ch_info;
memset(&priv->staging_rxon, 0, sizeof(priv->staging_rxon));
switch (priv->iw_mode) {
switch (mode) {
case NL80211_IFTYPE_AP:
priv->staging_rxon.dev_type = RXON_DEV_TYPE_AP;
break;
@ -755,7 +755,7 @@ static void iwl4965_connection_init_rx_config(struct iwl_priv *priv)
RXON_FILTER_CTL2HOST_MSK | RXON_FILTER_ACCEPT_GRP_MSK;
break;
default:
IWL_ERROR("Unsupported interface type %d\n", priv->iw_mode);
IWL_ERROR("Unsupported interface type %d\n", mode);
break;
}
@ -803,9 +803,7 @@ static void iwl4965_connection_init_rx_config(struct iwl_priv *priv)
static int iwl4965_set_mode(struct iwl_priv *priv, int mode)
{
priv->iw_mode = mode;
iwl4965_connection_init_rx_config(priv);
iwl4965_connection_init_rx_config(priv, mode);
memcpy(priv->staging_rxon.node_addr, priv->mac_addr, ETH_ALEN);
iwl_clear_stations_table(priv);
@ -2056,7 +2054,7 @@ static void iwl_alive_start(struct iwl_priv *priv)
active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
} else {
/* Initialize our rx_config data */
iwl4965_connection_init_rx_config(priv);
iwl4965_connection_init_rx_config(priv, priv->iw_mode);
memcpy(priv->staging_rxon.node_addr, priv->mac_addr, ETH_ALEN);
}
@ -2380,7 +2378,6 @@ static void iwl4965_bg_set_monitor(struct work_struct *work)
mutex_lock(&priv->mutex);
ret = iwl4965_set_mode(priv, NL80211_IFTYPE_MONITOR);
if (ret) {
if (ret == -EAGAIN)
IWL_DEBUG(IWL_DL_STATE, "leave - not ready\n");
@ -2389,6 +2386,7 @@ static void iwl4965_bg_set_monitor(struct work_struct *work)
}
mutex_unlock(&priv->mutex);
ieee80211_notify_mac(priv->hw, IEEE80211_NOTIFY_RE_ASSOC);
}
static void iwl_bg_run_time_calib_work(struct work_struct *work)
@ -2720,6 +2718,7 @@ static int iwl4965_mac_add_interface(struct ieee80211_hw *hw,
spin_lock_irqsave(&priv->lock, flags);
priv->vif = conf->vif;
priv->iw_mode = conf->type;
spin_unlock_irqrestore(&priv->lock, flags);

18
drivers/net/wireless/iwlwifi/iwl3945-base.c
View File

@ -2175,13 +2175,14 @@ static void iwl3945_set_flags_for_phymode(struct iwl3945_priv *priv,
/*
* initialize rxon structure with default values from eeprom
*/
static void iwl3945_connection_init_rx_config(struct iwl3945_priv *priv)
static void iwl3945_connection_init_rx_config(struct iwl3945_priv *priv,
int mode)
{
const struct iwl3945_channel_info *ch_info;
memset(&priv->staging_rxon, 0, sizeof(priv->staging_rxon));
switch (priv->iw_mode) {
switch (mode) {
case NL80211_IFTYPE_AP:
priv->staging_rxon.dev_type = RXON_DEV_TYPE_AP;
break;
@ -2204,7 +2205,7 @@ static void iwl3945_connection_init_rx_config(struct iwl3945_priv *priv)
RXON_FILTER_CTL2HOST_MSK | RXON_FILTER_ACCEPT_GRP_MSK;
break;
default:
IWL_ERROR("Unsupported interface type %d\n", priv->iw_mode);
IWL_ERROR("Unsupported interface type %d\n", mode);
break;
}
@ -2227,8 +2228,7 @@ static void iwl3945_connection_init_rx_config(struct iwl3945_priv *priv)
* in some case A channels are all non IBSS
* in this case force B/G channel
*/
if ((priv->iw_mode == NL80211_IFTYPE_ADHOC) &&
!(is_channel_ibss(ch_info)))
if ((mode == NL80211_IFTYPE_ADHOC) && !(is_channel_ibss(ch_info)))
ch_info = &priv->channel_info[0];
priv->staging_rxon.channel = cpu_to_le16(ch_info->channel);
@ -2261,9 +2261,7 @@ static int iwl3945_set_mode(struct iwl3945_priv *priv, int mode)
}
}
priv->iw_mode = mode;
iwl3945_connection_init_rx_config(priv);
iwl3945_connection_init_rx_config(priv, mode);
memcpy(priv->staging_rxon.node_addr, priv->mac_addr, ETH_ALEN);
iwl3945_clear_stations_table(priv);
@ -5685,7 +5683,7 @@ static void iwl3945_alive_start(struct iwl3945_priv *priv)
active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
} else {
/* Initialize our rx_config data */
iwl3945_connection_init_rx_config(priv);
iwl3945_connection_init_rx_config(priv, priv->iw_mode);
memcpy(priv->staging_rxon.node_addr, priv->mac_addr, ETH_ALEN);
}
@ -6001,6 +5999,7 @@ static void iwl3945_bg_set_monitor(struct work_struct *work)
IWL_ERROR("iwl3945_set_mode() failed\n");
mutex_unlock(&priv->mutex);
ieee80211_notify_mac(priv->hw, IEEE80211_NOTIFY_RE_ASSOC);
}
#define IWL_SCAN_CHECK_WATCHDOG (7 * HZ)
@ -6544,6 +6543,7 @@ static int iwl3945_mac_add_interface(struct ieee80211_hw *hw,
spin_lock_irqsave(&priv->lock, flags);
priv->vif = conf->vif;
priv->iw_mode = conf->type;
spin_unlock_irqrestore(&priv->lock, flags);