Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
[pandora-kernel.git] / drivers / net / wireless / libertas / cfg.c
index 3e82f16..113f4f2 100644 (file)
@@ -10,6 +10,7 @@
 #include <linux/wait.h>
 #include <linux/slab.h>
 #include <linux/sched.h>
+#include <linux/wait.h>
 #include <linux/ieee80211.h>
 #include <net/cfg80211.h>
 #include <asm/unaligned.h>
@@ -480,7 +481,6 @@ static int lbs_ret_scan(struct lbs_private *priv, unsigned long dummy,
        struct cmd_ds_802_11_scan_rsp *scanresp = (void *)resp;
        int bsssize;
        const u8 *pos;
-       u16 nr_sets;
        const u8 *tsfdesc;
        int tsfsize;
        int i;
@@ -489,12 +489,11 @@ static int lbs_ret_scan(struct lbs_private *priv, unsigned long dummy,
        lbs_deb_enter(LBS_DEB_CFG80211);
 
        bsssize = get_unaligned_le16(&scanresp->bssdescriptsize);
-       nr_sets = le16_to_cpu(scanresp->nr_sets);
 
        lbs_deb_scan("scan response: %d BSSs (%d bytes); resp size %d bytes\n",
-                       nr_sets, bsssize, le16_to_cpu(resp->size));
+                       scanresp->nr_sets, bsssize, le16_to_cpu(resp->size));
 
-       if (nr_sets == 0) {
+       if (scanresp->nr_sets == 0) {
                ret = 0;
                goto done;
        }
@@ -526,20 +525,31 @@ static int lbs_ret_scan(struct lbs_private *priv, unsigned long dummy,
 
        pos = scanresp->bssdesc_and_tlvbuffer;
 
+       lbs_deb_hex(LBS_DEB_SCAN, "SCAN_RSP", scanresp->bssdesc_and_tlvbuffer,
+                       scanresp->bssdescriptsize);
+
        tsfdesc = pos + bsssize;
        tsfsize = 4 + 8 * scanresp->nr_sets;
+       lbs_deb_hex(LBS_DEB_SCAN, "SCAN_TSF", (u8 *) tsfdesc, tsfsize);
 
        /* Validity check: we expect a Marvell-Local TLV */
        i = get_unaligned_le16(tsfdesc);
        tsfdesc += 2;
-       if (i != TLV_TYPE_TSFTIMESTAMP)
+       if (i != TLV_TYPE_TSFTIMESTAMP) {
+               lbs_deb_scan("scan response: invalid TSF Timestamp %d\n", i);
                goto done;
+       }
+
        /* Validity check: the TLV holds TSF values with 8 bytes each, so
         * the size in the TLV must match the nr_sets value */
        i = get_unaligned_le16(tsfdesc);
        tsfdesc += 2;
-       if (i / 8 != scanresp->nr_sets)
+       if (i / 8 != scanresp->nr_sets) {
+               lbs_deb_scan("scan response: invalid number of TSF timestamp "
+                            "sets (expected %d got %d)\n", scanresp->nr_sets,
+                            i / 8);
                goto done;
+       }
 
        for (i = 0; i < scanresp->nr_sets; i++) {
                const u8 *bssid;
@@ -581,8 +591,11 @@ static int lbs_ret_scan(struct lbs_private *priv, unsigned long dummy,
                        id = *pos++;
                        elen = *pos++;
                        left -= 2;
-                       if (elen > left || elen == 0)
+                       if (elen > left || elen == 0) {
+                               lbs_deb_scan("scan response: invalid IE fmt\n");
                                goto done;
+                       }
+
                        if (id == WLAN_EID_DS_PARAMS)
                                chan_no = *pos;
                        if (id == WLAN_EID_SSID) {
@@ -606,14 +619,16 @@ static int lbs_ret_scan(struct lbs_private *priv, unsigned long dummy,
                                     print_ssid(ssid_buf, ssid, ssid_len),
                                     LBS_SCAN_RSSI_TO_MBM(rssi)/100);
 
-                       if (channel ||
+                       if (channel &&
                            !(channel->flags & IEEE80211_CHAN_DISABLED))
                                cfg80211_inform_bss(wiphy, channel,
                                        bssid, le64_to_cpu(*(__le64 *)tsfdesc),
                                        capa, intvl, ie, ielen,
                                        LBS_SCAN_RSSI_TO_MBM(rssi),
                                        GFP_KERNEL);
-               }
+               } else
+                       lbs_deb_scan("scan response: missing BSS channel IE\n");
+
                tsfdesc += 8;
        }
        ret = 0;
@@ -685,8 +700,9 @@ static void lbs_scan_worker(struct work_struct *work)
 
        if (priv->scan_channel < priv->scan_req->n_channels) {
                cancel_delayed_work(&priv->scan_work);
-               queue_delayed_work(priv->work_thread, &priv->scan_work,
-                       msecs_to_jiffies(300));
+               if (!priv->stopping)
+                       queue_delayed_work(priv->work_thread, &priv->scan_work,
+                               msecs_to_jiffies(300));
        }
 
        /* This is the final data we are about to send */
@@ -1103,7 +1119,7 @@ static int lbs_associate(struct lbs_private *priv,
        lbs_deb_hex(LBS_DEB_ASSOC, "Common Rates", tmp, pos - tmp);
 
        /* add auth type TLV */
-       if (priv->fwrelease >= 0x09000000)
+       if (MRVL_FW_MAJOR_REV(priv->fwrelease) >= 9)
                pos += lbs_add_auth_type_tlv(pos, sme->auth_type);
 
        /* add WPA/WPA2 TLV */
@@ -1114,6 +1130,9 @@ static int lbs_associate(struct lbs_private *priv,
                (u16)(pos - (u8 *) &cmd->iebuf);
        cmd->hdr.size = cpu_to_le16(len);
 
+       lbs_deb_hex(LBS_DEB_ASSOC, "ASSOC_CMD", (u8 *) cmd,
+                       le16_to_cpu(cmd->hdr.size));
+
        /* store for later use */
        memcpy(priv->assoc_bss, bss->bssid, ETH_ALEN);
 
@@ -1121,14 +1140,28 @@ static int lbs_associate(struct lbs_private *priv,
        if (ret)
                goto done;
 
-
        /* generate connect message to cfg80211 */
 
        resp = (void *) cmd; /* recast for easier field access */
        status = le16_to_cpu(resp->statuscode);
 
-       /* Convert statis code of old firmware */
-       if (priv->fwrelease < 0x09000000)
+       /* Older FW versions map the IEEE 802.11 Status Code in the association
+        * response to the following values returned in resp->statuscode:
+        *
+        *    IEEE Status Code                Marvell Status Code
+        *    0                       ->      0x0000 ASSOC_RESULT_SUCCESS
+        *    13                      ->      0x0004 ASSOC_RESULT_AUTH_REFUSED
+        *    14                      ->      0x0004 ASSOC_RESULT_AUTH_REFUSED
+        *    15                      ->      0x0004 ASSOC_RESULT_AUTH_REFUSED
+        *    16                      ->      0x0004 ASSOC_RESULT_AUTH_REFUSED
+        *    others                  ->      0x0003 ASSOC_RESULT_REFUSED
+        *
+        * Other response codes:
+        *    0x0001 -> ASSOC_RESULT_INVALID_PARAMETERS (unused)
+        *    0x0002 -> ASSOC_RESULT_TIMEOUT (internal timer expired waiting for
+        *                                    association response from the AP)
+        */
+       if (MRVL_FW_MAJOR_REV(priv->fwrelease) <= 8) {
                switch (status) {
                case 0:
                        break;
@@ -1150,11 +1183,16 @@ static int lbs_associate(struct lbs_private *priv,
                        break;
                default:
                        lbs_deb_assoc("association failure %d\n", status);
-                       status = WLAN_STATUS_UNSPECIFIED_FAILURE;
+                       /* v5 OLPC firmware does return the AP status code if
+                        * it's not one of the values above.  Let that through.
+                        */
+                       break;
+               }
        }
 
-       lbs_deb_assoc("status %d, capability 0x%04x\n", status,
-                     le16_to_cpu(resp->capability));
+       lbs_deb_assoc("status %d, statuscode 0x%04x, capability 0x%04x, "
+                     "aid 0x%04x\n", status, le16_to_cpu(resp->statuscode),
+                     le16_to_cpu(resp->capability), le16_to_cpu(resp->aid));
 
        resp_ie_len = le16_to_cpu(resp->hdr.size)
                - sizeof(resp->hdr)
@@ -1174,7 +1212,6 @@ static int lbs_associate(struct lbs_private *priv,
                        netif_tx_wake_all_queues(priv->dev);
        }
 
-
 done:
        lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret);
        return ret;
@@ -1404,7 +1441,7 @@ static int lbs_cfg_set_default_key(struct wiphy *wiphy,
 
 
 static int lbs_cfg_add_key(struct wiphy *wiphy, struct net_device *netdev,
-                          u8 idx, const u8 *mac_addr,
+                          u8 idx, bool pairwise, const u8 *mac_addr,
                           struct key_params *params)
 {
        struct lbs_private *priv = wiphy_priv(wiphy);
@@ -1464,7 +1501,7 @@ static int lbs_cfg_add_key(struct wiphy *wiphy, struct net_device *netdev,
 
 
 static int lbs_cfg_del_key(struct wiphy *wiphy, struct net_device *netdev,
-                          u8 key_index, const u8 *mac_addr)
+                          u8 key_index, bool pairwise, const u8 *mac_addr)
 {
 
        lbs_deb_enter(LBS_DEB_CFG80211);