Merge branch 'driver-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git...

[linux-beck.git] / drivers / net / wireless / rndis_wlan.c

diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c
index 85370a7dfa8b9ef67385e85d86081caf699d6480..a330c69583d62a07dc935ebef2c617b4ee135496 100644 (file)
--- a/drivers/net/wireless/rndis_wlan.c
+++ b/drivers/net/wireless/rndis_wlan.c
@@ -244,6 +244,10 @@ enum ndis_80211_power_mode {
        NDIS_80211_POWER_MODE_FAST_PSP,
 };
 
+enum ndis_80211_pmkid_cand_list_flag_bits {
+       NDIS_80211_PMKID_CAND_PREAUTH = cpu_to_le32(1 << 0)
+};
+
 struct ndis_80211_auth_request {
        __le32 length;
        u8 bssid[6];
@@ -387,19 +391,17 @@ struct ndis_80211_capability {
 struct ndis_80211_bssid_info {
        u8 bssid[6];
        u8 pmkid[16];
-};
+} __packed;
 
 struct ndis_80211_pmkid {
        __le32 length;
        __le32 bssid_info_count;
        struct ndis_80211_bssid_info bssid_info[0];
-};
+} __packed;
 
 /*
  *  private data
  */
-#define NET_TYPE_11FB  0
-
 #define CAP_MODE_80211A                1
 #define CAP_MODE_80211B                2
 #define CAP_MODE_80211G                4
@@ -414,6 +416,7 @@ struct ndis_80211_pmkid {
 #define RNDIS_WLAN_ALG_TKIP    (1<<1)
 #define RNDIS_WLAN_ALG_CCMP    (1<<2)
 
+#define RNDIS_WLAN_NUM_KEYS            4
 #define RNDIS_WLAN_KEY_MGMT_NONE       0
 #define RNDIS_WLAN_KEY_MGMT_802_1X     (1<<0)
 #define RNDIS_WLAN_KEY_MGMT_PSK                (1<<1)
@@ -516,7 +519,7 @@ struct rndis_wlan_private {
 
        /* encryption stuff */
        int  encr_tx_key_index;
-       struct rndis_wlan_encr_key encr_keys[4];
+       struct rndis_wlan_encr_key encr_keys[RNDIS_WLAN_NUM_KEYS];
        int  wpa_version;
 
        u8 command_buffer[COMMAND_BUFFER_SIZE];
@@ -1346,6 +1349,32 @@ static int set_channel(struct usbnet *usbdev, int channel)
        return ret;
 }
 
+static struct ieee80211_channel *get_current_channel(struct usbnet *usbdev,
+                                                    u16 *beacon_interval)
+{
+       struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
+       struct ieee80211_channel *channel;
+       struct ndis_80211_conf config;
+       int len, ret;
+
+       /* Get channel and beacon interval */
+       len = sizeof(config);
+       ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
+       netdev_dbg(usbdev->net, "%s(): OID_802_11_CONFIGURATION -> %d\n",
+                               __func__, ret);
+       if (ret < 0)
+               return NULL;
+
+       channel = ieee80211_get_channel(priv->wdev.wiphy,
+                               KHZ_TO_MHZ(le32_to_cpu(config.ds_config)));
+       if (!channel)
+               return NULL;
+
+       if (beacon_interval)
+               *beacon_interval = le16_to_cpu(config.beacon_period);
+       return channel;
+}
+
 /* index must be 0 - N, as per NDIS  */
 static int add_wep_key(struct usbnet *usbdev, const u8 *key, int key_len,
                                                                int index)
@@ -1535,6 +1564,9 @@ static int remove_key(struct usbnet *usbdev, int index, const u8 *bssid)
        bool is_wpa;
        int ret;
 
+       if (index >= RNDIS_WLAN_NUM_KEYS)
+               return -ENOENT;
+
        if (priv->encr_keys[index].len == 0)
                return 0;
 
@@ -1972,11 +2004,12 @@ static int rndis_scan(struct wiphy *wiphy, struct net_device *dev,
        return ret;
 }
 
-static struct cfg80211_bss *rndis_bss_info_update(struct usbnet *usbdev,
-                                       struct ndis_80211_bssid_ex *bssid)
+static bool rndis_bss_info_update(struct usbnet *usbdev,
+                                 struct ndis_80211_bssid_ex *bssid)
 {
        struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
        struct ieee80211_channel *channel;
+       struct cfg80211_bss *bss;
        s32 signal;
        u64 timestamp;
        u16 capability;
@@ -2015,9 +2048,12 @@ static struct cfg80211_bss *rndis_bss_info_update(struct usbnet *usbdev,
        capability = le16_to_cpu(fixed->capabilities);
        beacon_interval = le16_to_cpu(fixed->beacon_interval);
 
-       return cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid->mac,
+       bss = cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid->mac,
                timestamp, capability, beacon_interval, ie, ie_len, signal,
                GFP_KERNEL);
+       cfg80211_put_bss(bss);
+
+       return (bss != NULL);
 }
 
 static struct ndis_80211_bssid_ex *next_bssid_list_item(
@@ -2451,6 +2487,9 @@ static int rndis_set_default_key(struct wiphy *wiphy, struct net_device *netdev,
 
        netdev_dbg(usbdev->net, "%s(%i)\n", __func__, key_index);
 
+       if (key_index >= RNDIS_WLAN_NUM_KEYS)
+               return -ENOENT;
+
        priv->encr_tx_key_index = key_index;
 
        if (is_wpa_key(priv, key_index))
@@ -2639,12 +2678,12 @@ static void rndis_wlan_craft_connected_bss(struct usbnet *usbdev, u8 *bssid,
 {
        struct rndis_wlan_private *priv = get_rndis_wlan_priv(usbdev);
        struct ieee80211_channel *channel;
-       struct ndis_80211_conf config;
        struct ndis_80211_ssid ssid;
+       struct cfg80211_bss *bss;
        s32 signal;
        u64 timestamp;
        u16 capability;
-       u16 beacon_interval;
+       u16 beacon_interval = 0;
        __le32 rssi;
        u8 ie_buf[34];
        int len, ret, ie_len;
@@ -2669,22 +2708,10 @@ static void rndis_wlan_craft_connected_bss(struct usbnet *usbdev, u8 *bssid,
        }
 
        /* Get channel and beacon interval */
-       len = sizeof(config);
-       ret = rndis_query_oid(usbdev, OID_802_11_CONFIGURATION, &config, &len);
-       netdev_dbg(usbdev->net, "%s(): OID_802_11_CONFIGURATION -> %d\n",
-                               __func__, ret);
-       if (ret >= 0) {
-               beacon_interval = le16_to_cpu(config.beacon_period);
-               channel = ieee80211_get_channel(priv->wdev.wiphy,
-                               KHZ_TO_MHZ(le32_to_cpu(config.ds_config)));
-               if (!channel) {
-                       netdev_warn(usbdev->net, "%s(): could not get channel."
-                                                "\n", __func__);
-                       return;
-               }
-       } else {
-               netdev_warn(usbdev->net, "%s(): could not get configuration.\n",
-                                        __func__);
+       channel = get_current_channel(usbdev, &beacon_interval);
+       if (!channel) {
+               netdev_warn(usbdev->net, "%s(): could not get channel.\n",
+                                       __func__);
                return;
        }
 
@@ -2714,9 +2741,10 @@ static void rndis_wlan_craft_connected_bss(struct usbnet *usbdev, u8 *bssid,
                bssid, (u32)timestamp, capability, beacon_interval, ie_len,
                ssid.essid, signal);
 
-       cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid,
+       bss = cfg80211_inform_bss(priv->wdev.wiphy, channel, bssid,
                timestamp, capability, beacon_interval, ie_buf, ie_len,
                signal, GFP_KERNEL);
+       cfg80211_put_bss(bss);
 }
 
 /*
@@ -2828,8 +2856,9 @@ static void rndis_wlan_do_link_up_work(struct usbnet *usbdev)
                                                req_ie_len, resp_ie,
                                                resp_ie_len, 0, GFP_KERNEL);
                else
-                       cfg80211_roamed(usbdev->net, NULL, bssid,
-                                       req_ie, req_ie_len,
+                       cfg80211_roamed(usbdev->net,
+                                       get_current_channel(usbdev, NULL),
+                                       bssid, req_ie, req_ie_len,
                                        resp_ie, resp_ie_len, GFP_KERNEL);
        } else if (priv->infra_mode == NDIS_80211_INFRA_ADHOC)
                cfg80211_ibss_joined(usbdev->net, bssid, GFP_KERNEL);
@@ -2995,25 +3024,13 @@ static void rndis_wlan_pmkid_cand_list_indication(struct usbnet *usbdev,
        for (i = 0; i < le32_to_cpu(cand_list->num_candidates); i++) {
                struct ndis_80211_pmkid_candidate *cand =
                                                &cand_list->candidate_list[i];
+               bool preauth = !!(cand->flags & NDIS_80211_PMKID_CAND_PREAUTH);
 
-               netdev_dbg(usbdev->net, "cand[%i]: flags: 0x%08x, bssid: %pM\n",
-                          i, le32_to_cpu(cand->flags), cand->bssid);
-
-#if 0
-               struct iw_pmkid_cand pcand;
-               union iwreq_data wrqu;
+               netdev_dbg(usbdev->net, "cand[%i]: flags: 0x%08x, preauth: %d, bssid: %pM\n",
+                          i, le32_to_cpu(cand->flags), preauth, cand->bssid);
 
-               memset(&pcand, 0, sizeof(pcand));
-               if (le32_to_cpu(cand->flags) & 0x01)
-                       pcand.flags |= IW_PMKID_CAND_PREAUTH;
-               pcand.index = i;
-               memcpy(pcand.bssid.sa_data, cand->bssid, ETH_ALEN);
-
-               memset(&wrqu, 0, sizeof(wrqu));
-               wrqu.data.length = sizeof(pcand);
-               wireless_send_event(usbdev->net, IWEVPMKIDCAND, &wrqu,
-                                                               (u8 *)&pcand);
-#endif
+               cfg80211_pmksa_candidate_notify(usbdev->net, i, cand->bssid,
+                                               preauth, GFP_ATOMIC);
        }
 }