diff options
Diffstat (limited to 'drivers/net/wireless/libertas/scan.c')
| -rw-r--r-- | drivers/net/wireless/libertas/scan.c | 28 |
1 files changed, 18 insertions, 10 deletions
diff --git a/drivers/net/wireless/libertas/scan.c b/drivers/net/wireless/libertas/scan.c index c9f5737..966a893 100644 --- a/drivers/net/wireless/libertas/scan.c +++ b/drivers/net/wireless/libertas/scan.c @@ -614,7 +614,8 @@ static int wlan_scan_channel_list(wlan_private * priv, struct wlan_scan_cmd_config * pscancfgout, struct mrvlietypes_chanlistparamset * pchantlvout, struct chanscanparamset * pscanchanlist, - const struct wlan_ioctl_user_scan_cfg * puserscanin) + const struct wlan_ioctl_user_scan_cfg * puserscanin, + int full_scan) { struct chanscanparamset *ptmpchan; struct chanscanparamset *pstartchan; @@ -723,11 +724,11 @@ static int wlan_scan_channel_list(wlan_private * priv, /* Send the scan command to the firmware with the specified cfg */ ret = libertas_prepare_and_send_command(priv, cmd_802_11_scan, 0, 0, 0, pscancfgout); - if (scanned >= 2) { + if (scanned >= 2 && !full_scan) { priv->adapter->last_scanned_channel = ptmpchan->channumber; return 0; } - + scanned = 0; } priv->adapter->last_scanned_channel = ptmpchan->channumber; @@ -753,7 +754,8 @@ static int wlan_scan_channel_list(wlan_private * priv, * @return 0 or < 0 if error */ int wlan_scan_networks(wlan_private * priv, - const struct wlan_ioctl_user_scan_cfg * puserscanin) + const struct wlan_ioctl_user_scan_cfg * puserscanin, + int full_scan) { wlan_adapter *adapter = priv->adapter; struct mrvlietypes_chanlistparamset *pchantlvout; @@ -813,7 +815,8 @@ int wlan_scan_networks(wlan_private * priv, scan_cfg, pchantlvout, scan_chan_list, - puserscanin); + puserscanin, + full_scan); /* Process the resulting scan table: * - Remove any bad ssids @@ -1388,7 +1391,7 @@ int libertas_find_best_network_SSID(wlan_private * priv, memset(pSSID, 0, sizeof(struct WLAN_802_11_SSID)); - wlan_scan_networks(priv, NULL); + wlan_scan_networks(priv, NULL, 1); if (adapter->surpriseremoved) return -1; wait_event_interruptible(adapter->cmd_pending, !adapter->nr_cmd_pending); @@ -1431,7 +1434,7 @@ int libertas_set_scan(struct net_device *dev, struct iw_request_info *info, ENTER(); - wlan_scan_networks(priv, NULL); + wlan_scan_networks(priv, NULL, 0); if (adapter->surpriseremoved) return -1; @@ -1468,7 +1471,7 @@ int libertas_send_specific_SSID_scan(wlan_private * priv, prequestedssid->ssidlength); scancfg.keeppreviousscan = keeppreviousscan; - wlan_scan_networks(priv, &scancfg); + wlan_scan_networks(priv, &scancfg, 1); if (adapter->surpriseremoved) return -1; wait_event_interruptible(adapter->cmd_pending, !adapter->nr_cmd_pending); @@ -1500,7 +1503,7 @@ int libertas_send_specific_BSSID_scan(wlan_private * priv, u8 * bssid, u8 keeppr memcpy(scancfg.specificBSSID, bssid, sizeof(scancfg.specificBSSID)); scancfg.keeppreviousscan = keeppreviousscan; - wlan_scan_networks(priv, &scancfg); + wlan_scan_networks(priv, &scancfg, 1); if (priv->adapter->surpriseremoved) return -1; wait_event_interruptible(priv->adapter->cmd_pending, @@ -1549,8 +1552,13 @@ int libertas_get_scan(struct net_device *dev, struct iw_request_info *info, * if there's either commands in the queue or one being * processed return -EAGAIN for iwlist to retry later. */ - if (adapter->nr_cmd_pending) + if (adapter->nr_cmd_pending) + return -EAGAIN; + + if (adapter->last_scanned_channel) { + wlan_scan_networks(priv, NULL, 0); return -EAGAIN; + } if (adapter->connect_status == libertas_connected) lbs_pr_debug(1, "Current ssid: %32s\n", |