Avoid use of static variable and move them as part of private
data(wilc_priv) struct.
Signed-off-by: Ajay Singh <ajay.kathat@xxxxxxxxxxxxx>
---
drivers/staging/wilc1000/linux_wlan.c | 2 +
drivers/staging/wilc1000/wilc_wfi_cfgoperations.c | 60 +++++++++++------------
drivers/staging/wilc1000/wilc_wfi_netdevice.h | 7 +++
3 files changed, 38 insertions(+), 31 deletions(-)
diff --git a/drivers/staging/wilc1000/linux_wlan.c b/drivers/staging/wilc1000/linux_wlan.c
index 560c168..695d5b2 100644
--- a/drivers/staging/wilc1000/linux_wlan.c
+++ b/drivers/staging/wilc1000/linux_wlan.c
@@ -729,6 +729,7 @@ static int wilc_mac_open(struct net_device *ndev)
{
struct wilc_vif *vif = netdev_priv(ndev);
struct wilc *wl = vif->wilc;
+ struct wilc_priv *priv = wdev_priv(vif->ndev->ieee80211_ptr);
unsigned char mac_add[ETH_ALEN] = {0};
int ret = 0;
int i = 0;
@@ -782,6 +783,7 @@ static int wilc_mac_open(struct net_device *ndev)
vif->frame_reg[1].reg);
netif_wake_queue(ndev);
wl->open_ifcs++;
+ priv->p2p.local_random = 0x01;
vif->mac_opened = 1;
return 0;
}
diff --git a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c b/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c
index 1a4d262..4fbbbbd 100644
--- a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c
+++ b/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c
@@ -137,10 +137,7 @@ struct p2p_mgmt_data {
static u8 wlan_channel = INVALID_CHANNEL;
static u8 curr_channel;
static u8 p2p_oui[] = {0x50, 0x6f, 0x9A, 0x09};
-static u8 p2p_local_random = 0x01;
-static u8 p2p_recv_random;
static u8 p2p_vendor_spec[] = {0xdd, 0x05, 0x00, 0x08, 0x40, 0x03};
-static bool wilc_ie;
static struct ieee80211_supported_band wilc_band_2ghz = {
.channels = ieee80211_2ghz_channels,
@@ -515,9 +512,9 @@ static void cfg_connect_result(enum conn_event conn_disconn_evt,
GFP_KERNEL);
} else if (conn_disconn_evt == CONN_DISCONN_EVENT_DISCONN_NOTIF) {
vif->obtaining_ip = false;
- p2p_local_random = 0x01;
- p2p_recv_random = 0x00;
- wilc_ie = false;
+ priv->p2p.local_random = 0x01;
+ priv->p2p.recv_random = 0x00;
+ priv->p2p.is_wilc_ie = false;
eth_zero_addr(priv->associated_bss);
wilc_wlan_set_bssid(priv->dev, null_bssid, STATION_MODE);
@@ -829,9 +826,9 @@ static int disconnect(struct wiphy *wiphy, struct net_device *dev,
wlan_channel = INVALID_CHANNEL;
wilc_wlan_set_bssid(priv->dev, null_bssid, STATION_MODE);
- p2p_local_random = 0x01;
- p2p_recv_random = 0x00;
- wilc_ie = false;
+ priv->p2p.local_random = 0x01;
+ priv->p2p.recv_random = 0x00;
+ priv->p2p.is_wilc_ie = false;
wfi_drv->p2p_timeout = 0;
ret = wilc_disconnect(vif, reason_code);
@@ -1330,20 +1327,21 @@ static void wilc_wfi_cfg_parse_rx_vendor_spec(struct wilc_priv *priv, u8 *buff,
struct wilc_vif *vif = netdev_priv(priv->dev);
subtype = buff[P2P_PUB_ACTION_SUBTYPE];
- if ((subtype == GO_NEG_REQ || subtype == GO_NEG_RSP) && !wilc_ie) {
+ if ((subtype == GO_NEG_REQ || subtype == GO_NEG_RSP) &&
+ !priv->p2p.is_wilc_ie) {
for (i = P2P_PUB_ACTION_SUBTYPE; i < size; i++) {
if (!memcmp(p2p_vendor_spec, &buff[i], 6)) {
- p2p_recv_random = buff[i + 6];
- wilc_ie = true;
+ priv->p2p.recv_random = buff[i + 6];
+ priv->p2p.is_wilc_ie = true;
break;
}
}
}
- if (p2p_local_random <= p2p_recv_random) {
+ if (priv->p2p.local_random <= priv->p2p.recv_random) {
netdev_dbg(vif->ndev,
"PEER WILL BE GO LocaRand=%02x RecvRand %02x\n",
- p2p_local_random, p2p_recv_random);
+ priv->p2p.local_random, priv->p2p.recv_random);
return;
}
@@ -1411,7 +1409,7 @@ void wilc_wfi_p2p_rx(struct net_device *dev, u8 *buff, u32 size)
size);
if ((subtype == GO_NEG_REQ || subtype == GO_NEG_RSP) &&
- wilc_ie)
+ priv->p2p.is_wilc_ie)
size -= 7;
break;
@@ -1503,7 +1501,8 @@ static int cancel_remain_on_channel(struct wiphy *wiphy,
priv->remain_on_ch_params.listen_session_id);
}
-static void wilc_wfi_cfg_tx_vendor_spec(struct p2p_mgmt_data *mgmt_tx,
+static void wilc_wfi_cfg_tx_vendor_spec(struct wilc_priv *priv,
+ struct p2p_mgmt_data *mgmt_tx,
struct cfg80211_mgmt_tx_params *params,
u8 iftype, u32 buf_len)
{
@@ -1513,17 +1512,16 @@ static void wilc_wfi_cfg_tx_vendor_spec(struct p2p_mgmt_data *mgmt_tx,
u8 subtype = buf[P2P_PUB_ACTION_SUBTYPE];
if (subtype == GO_NEG_REQ || subtype == GO_NEG_RSP) {
- if (p2p_local_random == 1 &&
- p2p_recv_random < p2p_local_random) {
- get_random_bytes(&p2p_local_random, 1);
- p2p_local_random++;
+ if (priv->p2p.local_random == 1 &&
+ priv->p2p.recv_random < priv->p2p.local_random) {
+ get_random_bytes(&priv->p2p.local_random, 1);
+ priv->p2p.local_random++;
}
}
- if (p2p_local_random <= p2p_recv_random || !(subtype == GO_NEG_REQ ||
- subtype == GO_NEG_RSP ||
- subtype == P2P_INV_REQ ||
- subtype == P2P_INV_RSP))
+ if (priv->p2p.local_random <= priv->p2p.recv_random ||
+ !(subtype == GO_NEG_REQ || subtype == GO_NEG_RSP ||
+ subtype == P2P_INV_REQ || subtype == P2P_INV_RSP))
return;
for (i = P2P_PUB_ACTION_SUBTYPE + 2; i < len; i++) {
@@ -1547,7 +1545,7 @@ static void wilc_wfi_cfg_tx_vendor_spec(struct p2p_mgmt_data *mgmt_tx,
memcpy(&mgmt_tx->buff[len], p2p_vendor_spec,
vendor_spec_len);
- mgmt_tx->buff[len + vendor_spec_len] = p2p_local_random;
+ mgmt_tx->buff[len + vendor_spec_len] = priv->p2p.local_random;
mgmt_tx->size = buf_len;
}
}
@@ -1566,7 +1564,7 @@ static int mgmt_tx(struct wiphy *wiphy,
struct wilc_priv *priv = wiphy_priv(wiphy);
struct host_if_drv *wfi_drv = priv->hif_drv;
struct wilc_vif *vif = netdev_priv(wdev->netdev);
- u32 buf_len = len + sizeof(p2p_vendor_spec) + sizeof(p2p_local_random);
+ u32 buf_len = len + sizeof(p2p_vendor_spec) + sizeof(priv->p2p.local_random);
int ret = 0;
*cookie = (unsigned long)buf;
@@ -1614,8 +1612,8 @@ static int mgmt_tx(struct wiphy *wiphy,
case PUBLIC_ACT_VENDORSPEC:
if (!memcmp(p2p_oui, &buf[ACTION_SUBTYPE_ID + 1], 4))
- wilc_wfi_cfg_tx_vendor_spec(mgmt_tx, params,
- vif->iftype,
+ wilc_wfi_cfg_tx_vendor_spec(priv, mgmt_tx,
+ params, vif->iftype,
buf_len);
else
netdev_dbg(vif->ndev,
@@ -1743,9 +1741,9 @@ static int change_virtual_intf(struct wiphy *wiphy, struct net_device *dev,
struct wilc_vif *vif = netdev_priv(dev);
struct wilc *wl = vif->wilc;
- p2p_local_random = 0x01;
- p2p_recv_random = 0x00;
- wilc_ie = false;
+ priv->p2p.local_random = 0x01;
+ priv->p2p.recv_random = 0x00;
+ priv->p2p.is_wilc_ie = false;
vif->obtaining_ip = false;
del_timer(&vif->during_ip_timer);
diff --git a/drivers/staging/wilc1000/wilc_wfi_netdevice.h b/drivers/staging/wilc1000/wilc_wfi_netdevice.h
index 4ba5887..4f05a16 100644
--- a/drivers/staging/wilc1000/wilc_wfi_netdevice.h
+++ b/drivers/staging/wilc1000/wilc_wfi_netdevice.h
@@ -69,6 +69,12 @@ struct wilc_wfi_p2p_listen_params {
u32 listen_session_id;
};
+struct wilc_p2p_var {
+ u8 local_random;
+ u8 recv_random;
+ bool is_wilc_ie;
+};
+
struct wilc_priv {
struct wireless_dev *wdev;
struct cfg80211_scan_request *scan_req;
@@ -98,6 +104,7 @@ struct wilc_priv {
struct timer_list aging_timer;
struct network_info scanned_shadow[MAX_NUM_SCANNED_NETWORKS_SHADOW];
int scanned_cnt;
+ struct wilc_p2p_var p2p;
};
struct frame_reg {
--
2.7.4
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