diff options
Diffstat (limited to 'net/ieee80211/softmac/ieee80211softmac_wx.c')
| -rw-r--r-- | net/ieee80211/softmac/ieee80211softmac_wx.c | 37 |
1 files changed, 27 insertions, 10 deletions
diff --git a/net/ieee80211/softmac/ieee80211softmac_wx.c b/net/ieee80211/softmac/ieee80211softmac_wx.c index b559aa9b550..27edb2b5581 100644 --- a/net/ieee80211/softmac/ieee80211softmac_wx.c +++ b/net/ieee80211/softmac/ieee80211softmac_wx.c @@ -27,7 +27,8 @@ #include "ieee80211softmac_priv.h" #include <net/iw_handler.h> - +/* for is_broadcast_ether_addr and is_zero_ether_addr */ +#include <linux/etherdevice.h> int ieee80211softmac_wx_trigger_scan(struct net_device *net_dev, @@ -41,13 +42,23 @@ ieee80211softmac_wx_trigger_scan(struct net_device *net_dev, EXPORT_SYMBOL_GPL(ieee80211softmac_wx_trigger_scan); +/* if we're still scanning, return -EAGAIN so that userspace tools + * can get the complete scan results, otherwise return 0. */ int ieee80211softmac_wx_get_scan_results(struct net_device *net_dev, struct iw_request_info *info, union iwreq_data *data, char *extra) { + unsigned long flags; struct ieee80211softmac_device *sm = ieee80211_priv(net_dev); + + spin_lock_irqsave(&sm->lock, flags); + if (sm->scanning) { + spin_unlock_irqrestore(&sm->lock, flags); + return -EAGAIN; + } + spin_unlock_irqrestore(&sm->lock, flags); return ieee80211_wx_get_scan(sm->ieee, info, data, extra); } EXPORT_SYMBOL_GPL(ieee80211softmac_wx_get_scan_results); @@ -73,7 +84,6 @@ ieee80211softmac_wx_set_essid(struct net_device *net_dev, sm->associnfo.static_essid = 1; } } - sm->associnfo.scan_retry = IEEE80211SOFTMAC_ASSOC_SCAN_RETRY_LIMIT; /* set our requested ESSID length. * If applicable, we have already copied the data in */ @@ -300,8 +310,6 @@ ieee80211softmac_wx_set_wap(struct net_device *net_dev, char *extra) { struct ieee80211softmac_device *mac = ieee80211_priv(net_dev); - static const unsigned char any[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; - static const unsigned char off[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; unsigned long flags; /* sanity check */ @@ -310,10 +318,17 @@ ieee80211softmac_wx_set_wap(struct net_device *net_dev, } spin_lock_irqsave(&mac->lock, flags); - if (!memcmp(any, data->ap_addr.sa_data, ETH_ALEN) || - !memcmp(off, data->ap_addr.sa_data, ETH_ALEN)) { - schedule_work(&mac->associnfo.work); - goto out; + if (is_broadcast_ether_addr(data->ap_addr.sa_data)) { + /* the bssid we have is not to be fixed any longer, + * and we should reassociate to the best AP. */ + mac->associnfo.bssfixed = 0; + /* force reassociation */ + mac->associnfo.bssvalid = 0; + if (mac->associated) + schedule_work(&mac->associnfo.work); + } else if (is_zero_ether_addr(data->ap_addr.sa_data)) { + /* the bssid we have is no longer fixed */ + mac->associnfo.bssfixed = 0; } else { if (!memcmp(mac->associnfo.bssid, data->ap_addr.sa_data, ETH_ALEN)) { if (mac->associnfo.associating || mac->associated) { @@ -323,12 +338,14 @@ ieee80211softmac_wx_set_wap(struct net_device *net_dev, } else { /* copy new value in data->ap_addr.sa_data to bssid */ memcpy(mac->associnfo.bssid, data->ap_addr.sa_data, ETH_ALEN); - } + } + /* tell the other code that this bssid should be used no matter what */ + mac->associnfo.bssfixed = 1; /* queue associate if new bssid or (old one again and not associated) */ schedule_work(&mac->associnfo.work); } -out: + out: spin_unlock_irqrestore(&mac->lock, flags); return 0; } |