Signed-off-by: Vasanthakumar Thiagarajan <vthiagar@xxxxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/ath6kl/cfg80211.c | 123 +++++++++++++++++++++++++++-
drivers/net/wireless/ath/ath6kl/cfg80211.h | 2 +-
drivers/net/wireless/ath/ath6kl/core.h | 4 +
drivers/net/wireless/ath/ath6kl/init.c | 10 ++-
4 files changed, 133 insertions(+), 6 deletions(-)
diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.c b/drivers/net/wireless/ath/ath6kl/cfg80211.c
index 7cdd893..7713ab4 100644
--- a/drivers/net/wireless/ath/ath6kl/cfg80211.c
+++ b/drivers/net/wireless/ath/ath6kl/cfg80211.c
@@ -293,6 +293,57 @@ static int ath6kl_set_assoc_req_ies(struct ath6kl_vif *vif, const u8 *ies,
return ret;
}
+static int ath6kl_nliftype_to_drv_iftype(enum nl80211_iftype type, u8 *nw_type)
+{
+ switch (type) {
+ case NL80211_IFTYPE_STATION:
+ *nw_type = INFRA_NETWORK;
+ break;
+ case NL80211_IFTYPE_ADHOC:
+ *nw_type = ADHOC_NETWORK;
+ break;
+ case NL80211_IFTYPE_AP:
+ *nw_type = AP_NETWORK;
+ break;
+ case NL80211_IFTYPE_P2P_CLIENT:
+ *nw_type = INFRA_NETWORK;
+ break;
+ case NL80211_IFTYPE_P2P_GO:
+ *nw_type = AP_NETWORK;
+ break;
+ default:
+ ath6kl_err("invalid interface type %u\n", type);
+ return -ENOTSUPP;
+ }
+
+ return 0;
+}
+
+static bool ath6kl_is_valid_iftype(struct ath6kl *ar, enum nl80211_iftype type,
+ u8 *if_idx, u8 *nw_type)
+{
+ int i;
+
+ if (ath6kl_nliftype_to_drv_iftype(type, nw_type))
+ return false;
+
+ if (ar->ibss_if_active || ((type == NL80211_IFTYPE_ADHOC) &&
+ ar->num_vif))
+ return false;
+
+ if (type == NL80211_IFTYPE_STATION ||
+ type == NL80211_IFTYPE_AP || type == NL80211_IFTYPE_ADHOC) {
+ for (i = 0; i < MAX_NUM_VIF; i++) {
+ if ((ar->avail_idx_map >> i) & BIT(0)) {
+ *if_idx = i;
+ return true;
+ }
+ }
+ }
+
+ return false;
+}
+
static int ath6kl_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev,
struct cfg80211_connect_params *sme)
{
@@ -1206,6 +1257,52 @@ static int ath6kl_cfg80211_set_power_mgmt(struct wiphy *wiphy,
return 0;
}
+static struct net_device *ath6kl_cfg80211_add_iface(struct wiphy *wiphy,
+ char *name,
+ enum nl80211_iftype type,
+ u32 *flags,
+ struct vif_params *params)
+{
+ struct ath6kl *ar = wiphy_priv(wiphy);
+ struct net_device *ndev;
+ u8 if_idx, nw_type;
+
+ if (ar->num_vif == MAX_NUM_VIF) {
+ ath6kl_err("Reached maximum number of supported vif\n");
+ return ERR_PTR(-EINVAL);
+ }
+
+ if (!ath6kl_is_valid_iftype(ar, type, &if_idx, &nw_type)) {
+ ath6kl_err("Not a supported interface type\n");
+ return ERR_PTR(-EINVAL);
+ }
+
+ ndev = ath6kl_interface_add(ar, name, type, if_idx, nw_type);
+ if (!ndev)
+ return ERR_PTR(-ENOMEM);
+
+ ar->num_vif++;
+
+ return ndev;
+}
+
+static int ath6kl_cfg80211_del_iface(struct wiphy *wiphy,
+ struct net_device *ndev)
+{
+ struct ath6kl *ar = wiphy_priv(wiphy);
+ struct ath6kl_vif *vif = netdev_priv(ndev);
+
+ spin_lock(&ar->list_lock);
+ list_del(&vif->list);
+ spin_unlock(&ar->list_lock);
+
+ ath6kl_cleanup_vif(vif, test_bit(WMI_READY, &ar->flag));
+
+ ath6kl_deinit_if_data(vif);
+
+ return 0;
+}
+
static int ath6kl_cfg80211_change_iface(struct wiphy *wiphy,
struct net_device *ndev,
enum nl80211_iftype type, u32 *flags,
@@ -1946,6 +2043,8 @@ ath6kl_mgmt_stypes[NUM_NL80211_IFTYPES] = {
};
static struct cfg80211_ops ath6kl_cfg80211_ops = {
+ .add_virtual_intf = ath6kl_cfg80211_add_iface,
+ .del_virtual_intf = ath6kl_cfg80211_del_iface,
.change_virtual_intf = ath6kl_cfg80211_change_iface,
.scan = ath6kl_cfg80211_scan,
.connect = ath6kl_cfg80211_connect,
@@ -2096,18 +2195,28 @@ static int ath6kl_init_if_data(struct ath6kl_vif *vif)
void ath6kl_deinit_if_data(struct ath6kl_vif *vif)
{
+ struct ath6kl *ar = vif->ar;
+
aggr_module_destroy(vif->aggr_cntxt);
+ ar->avail_idx_map |= BIT(vif->fw_vif_idx);
+
+ if (vif->nw_type == ADHOC_NETWORK)
+ ar->ibss_if_active = false;
+
unregister_netdevice(vif->ndev);
+
+ ar->num_vif--;
}
struct net_device *ath6kl_interface_add(struct ath6kl *ar, char *name,
- enum nl80211_iftype type, u8 fw_vif_idx)
+ enum nl80211_iftype type, u8 fw_vif_idx,
+ u8 nw_type)
{
struct net_device *ndev;
struct ath6kl_vif *vif;
- ndev = alloc_netdev(sizeof(*vif), "wlan%d", ether_setup);
+ ndev = alloc_netdev(sizeof(*vif), name, ether_setup);
if (!ndev)
return NULL;
@@ -2120,8 +2229,14 @@ struct net_device *ath6kl_interface_add(struct ath6kl *ar, char *name,
vif->wdev.netdev = ndev;
vif->wdev.iftype = type;
vif->fw_vif_idx = fw_vif_idx;
+ vif->nw_type = vif->next_mode = nw_type;
ar->wdev = &vif->wdev;
+ memcpy(ndev->dev_addr, ar->mac_addr, ETH_ALEN);
+ if (fw_vif_idx != 0)
+ ndev->dev_addr[0] = (ndev->dev_addr[0] ^ (1 << fw_vif_idx)) |
+ 0x2;
+
init_netdev(ndev);
ath6kl_init_control_info(vif);
@@ -2133,11 +2248,15 @@ struct net_device *ath6kl_interface_add(struct ath6kl *ar, char *name,
if (register_netdevice(ndev))
goto err;
+ ar->avail_idx_map &= ~BIT(fw_vif_idx);
vif->sme_state = SME_DISCONNECTED;
set_bit(WLAN_ENABLED, &vif->flags);
ar->wlan_pwr_state = WLAN_POWER_STATE_ON;
set_bit(NETDEV_REGISTERED, &vif->flags);
+ if (type == NL80211_IFTYPE_ADHOC)
+ ar->ibss_if_active = true;
+
spin_lock(&ar->list_lock);
list_add_tail(&vif->list, &ar->vif_list);
spin_unlock(&ar->list_lock);
diff --git a/drivers/net/wireless/ath/ath6kl/cfg80211.h b/drivers/net/wireless/ath/ath6kl/cfg80211.h
index 66042f2..d1a0216 100644
--- a/drivers/net/wireless/ath/ath6kl/cfg80211.h
+++ b/drivers/net/wireless/ath/ath6kl/cfg80211.h
@@ -19,7 +19,7 @@
struct net_device *ath6kl_interface_add(struct ath6kl *ar, char *name,
enum nl80211_iftype type,
- u8 fw_vif_idx);
+ u8 fw_vif_idx, u8 nw_type);
int ath6kl_register_ieee80211_hw(struct ath6kl *ar);
struct ath6kl *ath6kl_core_alloc(struct device *dev);
void ath6kl_deinit_ieee80211_hw(struct ath6kl *ar);
diff --git a/drivers/net/wireless/ath/ath6kl/core.h b/drivers/net/wireless/ath/ath6kl/core.h
index 29bb235..6933fb6 100644
--- a/drivers/net/wireless/ath/ath6kl/core.h
+++ b/drivers/net/wireless/ath/ath6kl/core.h
@@ -460,6 +460,8 @@ struct ath6kl {
struct list_head vif_list;
/* Lock to avoid race in vif_list entries among add/del/traverse */
spinlock_t list_lock;
+ u8 num_vif;
+ u8 avail_idx_map;
spinlock_t lock;
struct semaphore sem;
u16 listen_intvl_b;
@@ -470,6 +472,7 @@ struct ath6kl {
u8 tx_pwr;
struct ath6kl_node_mapping node_map[MAX_NODE_NUM];
u8 ibss_ps_enable;
+ bool ibss_if_active;
u8 node_num;
u8 next_ep_id;
struct ath6kl_cookie *cookie_list;
@@ -666,4 +669,5 @@ void ath6kl_init_control_info(struct ath6kl_vif *vif);
void ath6kl_deinit_if_data(struct ath6kl_vif *vif);
void ath6kl_core_free(struct ath6kl *ar);
struct ath6kl_vif *ath6kl_vif_first(struct ath6kl *ar);
+void ath6kl_cleanup_vif(struct ath6kl_vif *vif, bool wmi_ready);
#endif /* CORE_H */
diff --git a/drivers/net/wireless/ath/ath6kl/init.c b/drivers/net/wireless/ath/ath6kl/init.c
index e76d118..2780170 100644
--- a/drivers/net/wireless/ath/ath6kl/init.c
+++ b/drivers/net/wireless/ath/ath6kl/init.c
@@ -88,7 +88,6 @@ void ath6kl_init_profile_info(struct ath6kl_vif *vif)
memset(vif->req_bssid, 0, sizeof(vif->req_bssid));
memset(vif->bssid, 0, sizeof(vif->bssid));
vif->bss_ch = 0;
- vif->nw_type = vif->next_mode = INFRA_NETWORK;
}
static int ath6kl_set_host_app_area(struct ath6kl *ar)
@@ -1414,6 +1413,7 @@ static int ath6kl_init(struct ath6kl *ar)
int status = 0;
s32 timeleft;
struct net_device *ndev;
+ int i;
if (!ar)
return -EIO;
@@ -1445,10 +1445,14 @@ static int ath6kl_init(struct ath6kl *ar)
goto err_node_cleanup;
}
+ for (i = 0; i < MAX_NUM_VIF; i++)
+ ar->avail_idx_map |= BIT(i);
+
rtnl_lock();
/* Add an initial station interface */
- ndev = ath6kl_interface_add(ar, "wlan%d", NL80211_IFTYPE_STATION, 0);
+ ndev = ath6kl_interface_add(ar, "wlan%d", NL80211_IFTYPE_STATION, 0,
+ INFRA_NETWORK);
rtnl_unlock();
@@ -1631,7 +1635,7 @@ err_wq:
return ret;
}
-static void ath6kl_cleanup_vif(struct ath6kl_vif *vif, bool wmi_ready)
+void ath6kl_cleanup_vif(struct ath6kl_vif *vif, bool wmi_ready)
{
static u8 bcast_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
bool discon_issued;
--
1.7.0.4
--
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