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-rw-r--r--drivers/net/wireless/mwifiex/cfg80211.c80
-rw-r--r--drivers/net/wireless/mwifiex/decl.h10
-rw-r--r--drivers/net/wireless/mwifiex/init.c3
-rw-r--r--drivers/net/wireless/mwifiex/main.h21
4 files changed, 102 insertions, 12 deletions
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index 85f5019306b5..a0221b5eff93 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -2185,13 +2185,20 @@ struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
case NL80211_IFTYPE_UNSPECIFIED:
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_ADHOC:
- priv = adapter->priv[MWIFIEX_BSS_TYPE_STA];
- if (priv->bss_mode) {
+ if (adapter->curr_iface_comb.sta_intf ==
+ adapter->iface_limit.sta_intf) {
wiphy_err(wiphy,
"cannot create multiple sta/adhoc ifaces\n");
return ERR_PTR(-EINVAL);
}
+ priv = mwifiex_get_unused_priv(adapter);
+ if (!priv) {
+ wiphy_err(wiphy,
+ "could not get free private struct\n");
+ return ERR_PTR(-EFAULT);
+ }
+
priv->wdev.wiphy = wiphy;
priv->wdev.iftype = NL80211_IFTYPE_STATION;
@@ -2208,13 +2215,20 @@ struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
break;
case NL80211_IFTYPE_AP:
- priv = adapter->priv[MWIFIEX_BSS_TYPE_UAP];
-
- if (priv->bss_mode) {
- wiphy_err(wiphy, "Can't create multiple AP interfaces");
+ if (adapter->curr_iface_comb.uap_intf ==
+ adapter->iface_limit.uap_intf) {
+ wiphy_err(wiphy,
+ "cannot create multiple AP ifaces\n");
return ERR_PTR(-EINVAL);
}
+ priv = mwifiex_get_unused_priv(adapter);
+ if (!priv) {
+ wiphy_err(wiphy,
+ "could not get free private struct\n");
+ return ERR_PTR(-EFAULT);
+ }
+
priv->wdev.wiphy = wiphy;
priv->wdev.iftype = NL80211_IFTYPE_AP;
@@ -2228,15 +2242,21 @@ struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
break;
case NL80211_IFTYPE_P2P_CLIENT:
- priv = adapter->priv[MWIFIEX_BSS_TYPE_P2P];
-
- if (priv->bss_mode) {
- wiphy_err(wiphy, "Can't create multiple P2P ifaces");
+ if (adapter->curr_iface_comb.p2p_intf ==
+ adapter->iface_limit.p2p_intf) {
+ wiphy_err(wiphy,
+ "cannot create multiple P2P ifaces\n");
return ERR_PTR(-EINVAL);
}
- priv->wdev.wiphy = wiphy;
+ priv = mwifiex_get_unused_priv(adapter);
+ if (!priv) {
+ wiphy_err(wiphy,
+ "could not get free private struct\n");
+ return ERR_PTR(-EFAULT);
+ }
+ priv->wdev.wiphy = wiphy;
/* At start-up, wpa_supplicant tries to change the interface
* to NL80211_IFTYPE_STATION if it is not managed mode.
*/
@@ -2329,6 +2349,23 @@ struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy,
mwifiex_dev_debugfs_init(priv);
#endif
+ switch (type) {
+ case NL80211_IFTYPE_UNSPECIFIED:
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_ADHOC:
+ adapter->curr_iface_comb.sta_intf++;
+ break;
+ case NL80211_IFTYPE_AP:
+ adapter->curr_iface_comb.uap_intf++;
+ break;
+ case NL80211_IFTYPE_P2P_CLIENT:
+ adapter->curr_iface_comb.p2p_intf++;
+ break;
+ default:
+ wiphy_err(wiphy, "type not supported\n");
+ return ERR_PTR(-EINVAL);
+ }
+
return &priv->wdev;
}
EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf);
@@ -2339,12 +2376,13 @@ EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf);
int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
{
struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev);
+ struct mwifiex_adapter *adapter = priv->adapter;
#ifdef CONFIG_DEBUG_FS
mwifiex_dev_debugfs_remove(priv);
#endif
- mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter);
+ mwifiex_stop_net_dev_queue(priv->netdev, adapter);
if (netif_carrier_ok(priv->netdev))
netif_carrier_off(priv->netdev);
@@ -2359,6 +2397,24 @@ int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev)
priv->media_connected = false;
+ switch (priv->bss_mode) {
+ case NL80211_IFTYPE_UNSPECIFIED:
+ case NL80211_IFTYPE_STATION:
+ case NL80211_IFTYPE_ADHOC:
+ adapter->curr_iface_comb.sta_intf++;
+ break;
+ case NL80211_IFTYPE_AP:
+ adapter->curr_iface_comb.uap_intf++;
+ break;
+ case NL80211_IFTYPE_P2P_CLIENT:
+ case NL80211_IFTYPE_P2P_GO:
+ adapter->curr_iface_comb.p2p_intf++;
+ break;
+ default:
+ dev_err(adapter->dev, "del_virtual_intf: type not supported\n");
+ break;
+ }
+
priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED;
if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA ||
diff --git a/drivers/net/wireless/mwifiex/decl.h b/drivers/net/wireless/mwifiex/decl.h
index 7aa988e1dc7a..4481ac40c3eb 100644
--- a/drivers/net/wireless/mwifiex/decl.h
+++ b/drivers/net/wireless/mwifiex/decl.h
@@ -104,6 +104,10 @@
/* Rate index for OFDM 0 */
#define MWIFIEX_RATE_INDEX_OFDM0 4
+#define MWIFIEX_MAX_STA_NUM 1
+#define MWIFIEX_MAX_UAP_NUM 1
+#define MWIFIEX_MAX_P2P_NUM 1
+
enum mwifiex_bss_type {
MWIFIEX_BSS_TYPE_STA = 0,
MWIFIEX_BSS_TYPE_UAP = 1,
@@ -232,4 +236,10 @@ struct mwifiex_histogram_data {
atomic_t num_samples;
};
+struct mwifiex_iface_comb {
+ u8 sta_intf;
+ u8 uap_intf;
+ u8 p2p_intf;
+};
+
#endif /* !_MWIFIEX_DECL_H_ */
diff --git a/drivers/net/wireless/mwifiex/init.c b/drivers/net/wireless/mwifiex/init.c
index 2975b5154c39..1d1c3c8e516e 100644
--- a/drivers/net/wireless/mwifiex/init.c
+++ b/drivers/net/wireless/mwifiex/init.c
@@ -298,6 +298,9 @@ static void mwifiex_init_adapter(struct mwifiex_adapter *adapter)
adapter->key_api_major_ver = 0;
adapter->key_api_minor_ver = 0;
memset(adapter->perm_addr, 0xff, ETH_ALEN);
+ adapter->iface_limit.sta_intf = MWIFIEX_MAX_STA_NUM;
+ adapter->iface_limit.uap_intf = MWIFIEX_MAX_UAP_NUM;
+ adapter->iface_limit.p2p_intf = MWIFIEX_MAX_P2P_NUM;
setup_timer(&adapter->wakeup_timer, wakeup_timer_fn,
(unsigned long)adapter);
diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h
index 9686bd8603c8..78304a714512 100644
--- a/drivers/net/wireless/mwifiex/main.h
+++ b/drivers/net/wireless/mwifiex/main.h
@@ -730,6 +730,8 @@ struct mwifiex_if_ops {
struct mwifiex_adapter {
u8 iface_type;
+ struct mwifiex_iface_comb iface_limit;
+ struct mwifiex_iface_comb curr_iface_comb;
struct mwifiex_private *priv[MWIFIEX_MAX_BSS_NUM];
u8 priv_num;
const struct firmware *firmware;
@@ -1150,6 +1152,25 @@ mwifiex_get_priv(struct mwifiex_adapter *adapter,
}
/*
+ * This function returns the first available unused private structure pointer.
+ */
+static inline struct mwifiex_private *
+mwifiex_get_unused_priv(struct mwifiex_adapter *adapter)
+{
+ int i;
+
+ for (i = 0; i < adapter->priv_num; i++) {
+ if (adapter->priv[i]) {
+ if (adapter->priv[i]->bss_mode ==
+ NL80211_IFTYPE_UNSPECIFIED)
+ break;
+ }
+ }
+
+ return ((i < adapter->priv_num) ? adapter->priv[i] : NULL);
+}
+
+/*
* This function returns the driver private structure of a network device.
*/
static inline struct mwifiex_private *
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-02 12:34:18 +0300