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staging: wilc1000: remove p2p related static variables to wilc_vif struct
authorAjay Singh <ajay.kathat@microchip.com>
Tue, 25 Sep 2018 06:23:39 +0000 (11:53 +0530)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 25 Sep 2018 18:53:57 +0000 (20:53 +0200)
Avoid use of static variable and move them as part of private
data(wilc_priv) struct.

Signed-off-by: Ajay Singh <ajay.kathat@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/staging/wilc1000/linux_wlan.c
drivers/staging/wilc1000/wilc_wfi_cfgoperations.c
drivers/staging/wilc1000/wilc_wfi_netdevice.h

index d00ff98..e2093b8 100644 (file)
@@ -726,6 +726,7 @@ 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;
@@ -779,6 +780,7 @@ 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;
 }
index 1a4d262..4fbbbbd 100644 (file)
@@ -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);
 
index 4ba5887..4f05a16 100644 (file)
@@ -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 {