To prepare for adding multi-BSS support.
Signed-off-by: Lennert Buytenhek <buytenh@xxxxxxxxxxx>
---
drivers/net/wireless/mwl8k.c | 51 ++++++++++++++++++++++++++++-------------
1 files changed, 35 insertions(+), 16 deletions(-)
diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c
index 382ef43..ee7d8a6 100644
--- a/drivers/net/wireless/mwl8k.c
+++ b/drivers/net/wireless/mwl8k.c
@@ -160,7 +160,8 @@ struct mwl8k_priv {
/* TX quiesce completion, protected by fw_mutex and tx_lock */
struct completion *tx_wait;
- struct ieee80211_vif *vif;
+ /* List of interfaces. */
+ struct list_head vif_list;
/* power management status cookie from firmware */
u32 *cookie;
@@ -210,6 +211,9 @@ struct mwl8k_priv {
/* Per interface specific private data */
struct mwl8k_vif {
+ struct list_head list;
+ struct ieee80211_vif *vif;
+
/* Non AMPDU sequence number assigned by driver. */
u16 seqno;
};
@@ -3246,7 +3250,7 @@ static void mwl8k_stop(struct ieee80211_hw *hw)
}
static int mwl8k_add_interface(struct ieee80211_hw *hw,
- struct ieee80211_vif *vif)
+ struct ieee80211_vif *vif)
{
struct mwl8k_priv *priv = hw->priv;
struct mwl8k_vif *mwl8k_vif;
@@ -3254,7 +3258,7 @@ static int mwl8k_add_interface(struct ieee80211_hw *hw,
/*
* We only support one active interface at a time.
*/
- if (priv->vif != NULL)
+ if (!list_empty(&priv->vif_list))
return -EBUSY;
/*
@@ -3275,14 +3279,13 @@ static int mwl8k_add_interface(struct ieee80211_hw *hw,
if (priv->ap_fw)
mwl8k_cmd_set_new_stn_add_self(hw, vif);
- /* Clean out driver private area */
+ /* Setup driver private area. */
mwl8k_vif = MWL8K_VIF(vif);
memset(mwl8k_vif, 0, sizeof(*mwl8k_vif));
-
- /* Set Initial sequence number to zero */
+ mwl8k_vif->vif = vif;
mwl8k_vif->seqno = 0;
- priv->vif = vif;
+ list_add_tail(&mwl8k_vif->list, &priv->vif_list);
return 0;
}
@@ -3291,13 +3294,14 @@ static void mwl8k_remove_interface(struct ieee80211_hw *hw,
struct ieee80211_vif *vif)
{
struct mwl8k_priv *priv = hw->priv;
+ struct mwl8k_vif *mwl8k_vif = MWL8K_VIF(vif);
if (priv->ap_fw)
mwl8k_cmd_set_new_stn_del(hw, vif, vif->addr);
mwl8k_cmd_set_mac_addr(hw, "\x00\x00\x00\x00\x00\x00");
- priv->vif = NULL;
+ list_del(&mwl8k_vif->list);
}
static int mwl8k_config(struct ieee80211_hw *hw, u32 changed)
@@ -3526,7 +3530,7 @@ mwl8k_configure_filter_sniffer(struct ieee80211_hw *hw,
* operation, so refuse to enable sniffer mode if a STA
* interface is active.
*/
- if (priv->vif != NULL) {
+ if (!list_empty(&priv->vif_list)) {
if (net_ratelimit())
printk(KERN_INFO "%s: not enabling sniffer "
"mode because STA interface is active\n",
@@ -3547,6 +3551,14 @@ mwl8k_configure_filter_sniffer(struct ieee80211_hw *hw,
return 1;
}
+static struct mwl8k_vif *mwl8k_first_vif(struct mwl8k_priv *priv)
+{
+ if (!list_empty(&priv->vif_list))
+ return list_entry(priv->vif_list.next, struct mwl8k_vif, list);
+
+ return NULL;
+}
+
static void mwl8k_configure_filter(struct ieee80211_hw *hw,
unsigned int changed_flags,
unsigned int *total_flags,
@@ -3595,6 +3607,7 @@ static void mwl8k_configure_filter(struct ieee80211_hw *hw,
*/
mwl8k_cmd_set_pre_scan(hw);
} else {
+ struct mwl8k_vif *mwl8k_vif;
const u8 *bssid;
/*
@@ -3605,9 +3618,11 @@ static void mwl8k_configure_filter(struct ieee80211_hw *hw,
* (where the OUI part needs to be nonzero for
* the BSSID to be accepted by POST_SCAN).
*/
- bssid = "\x01\x00\x00\x00\x00\x00";
- if (priv->vif != NULL)
- bssid = priv->vif->bss_conf.bssid;
+ mwl8k_vif = mwl8k_first_vif(priv);
+ if (mwl8k_vif != NULL)
+ bssid = mwl8k_vif->vif->bss_conf.bssid;
+ else
+ bssid = "\x01\x00\x00\x00\x00\x00";
mwl8k_cmd_set_post_scan(hw, bssid);
}
@@ -3810,11 +3825,14 @@ static void mwl8k_finalize_join_worker(struct work_struct *work)
struct mwl8k_priv *priv =
container_of(work, struct mwl8k_priv, finalize_join_worker);
struct sk_buff *skb = priv->beacon_skb;
+ struct mwl8k_vif *mwl8k_vif;
- mwl8k_cmd_finalize_join(priv->hw, skb->data, skb->len,
- priv->vif->bss_conf.dtim_period);
- dev_kfree_skb(skb);
+ mwl8k_vif = mwl8k_first_vif(priv);
+ if (mwl8k_vif != NULL)
+ mwl8k_cmd_finalize_join(priv->hw, skb->data, skb->len,
+ mwl8k_vif->vif->bss_conf.dtim_period);
+ dev_kfree_skb(skb);
priv->beacon_skb = NULL;
}
@@ -3986,7 +4004,8 @@ static int __devinit mwl8k_probe(struct pci_dev *pdev,
hw->flags |= IEEE80211_HW_SIGNAL_DBM | IEEE80211_HW_NOISE_DBM;
hw->vif_data_size = sizeof(struct mwl8k_vif);
hw->sta_data_size = sizeof(struct mwl8k_sta);
- priv->vif = NULL;
+
+ INIT_LIST_HEAD(&priv->vif_list);
/* Set default radio state and preamble */
priv->radio_on = 0;
--
1.5.6.4
--
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