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authorLinus Torvalds <torvalds@g5.osdl.org>2006-04-26 07:46:19 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-04-26 07:46:19 -0700
commit07db8696f5d484485dde77138ff87d19c8628a75 (patch)
treedf967ca4a68a3aafcba3cb9f41665b7e3367820e /net
parentbd5838b9ccdde2be18f61886c41ccd131414fb04 (diff)
parent86a0f04387bfa814618bf0c2c8b203899c4fa5d2 (diff)
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Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6: [PATCH] forcedeth: fix initialization [PATCH] sky2: version 1.2 [PATCH] sky2: reset function can be devinit [PATCH] sky2: use ALIGN() macro [PATCH] sky2: add fake idle irq timer [PATCH] sky2: reschedule if irq still pending [PATCH] bcm43xx: make PIO mode usable [PATCH] bcm43xx: add to MAINTAINERS [PATCH] softmac: fix SIOCSIWAP [PATCH] Fix crash on big-endian systems during scan e1000: Update truesize with the length of the packet for packet split [PATCH] Fix locking in gianfar
Diffstat (limited to 'net')
-rw-r--r--net/ieee80211/softmac/ieee80211softmac_assoc.c20
-rw-r--r--net/ieee80211/softmac/ieee80211softmac_module.c2
-rw-r--r--net/ieee80211/softmac/ieee80211softmac_wx.c27
3 files changed, 35 insertions, 14 deletions
diff --git a/net/ieee80211/softmac/ieee80211softmac_assoc.c b/net/ieee80211/softmac/ieee80211softmac_assoc.c
index 4498023..fb79ce7 100644
--- a/net/ieee80211/softmac/ieee80211softmac_assoc.c
+++ b/net/ieee80211/softmac/ieee80211softmac_assoc.c
@@ -144,6 +144,12 @@ network_matches_request(struct ieee80211softmac_device *mac, struct ieee80211_ne
if (!we_support_all_basic_rates(mac, net->rates_ex, net->rates_ex_len))
return 0;
+ /* assume that users know what they're doing ...
+ * (note we don't let them select a net we're incompatible with) */
+ if (mac->associnfo.bssfixed) {
+ return !memcmp(mac->associnfo.bssid, net->bssid, ETH_ALEN);
+ }
+
/* if 'ANY' network requested, take any that doesn't have privacy enabled */
if (mac->associnfo.req_essid.len == 0
&& !(net->capability & WLAN_CAPABILITY_PRIVACY))
@@ -176,7 +182,7 @@ ieee80211softmac_assoc_work(void *d)
ieee80211softmac_disassoc(mac, WLAN_REASON_DISASSOC_STA_HAS_LEFT);
/* try to find the requested network in our list, if we found one already */
- if (mac->associnfo.bssvalid)
+ if (mac->associnfo.bssvalid || mac->associnfo.bssfixed)
found = ieee80211softmac_get_network_by_bssid(mac, mac->associnfo.bssid);
/* Search the ieee80211 networks for this network if we didn't find it by bssid,
@@ -241,19 +247,25 @@ ieee80211softmac_assoc_work(void *d)
if (ieee80211softmac_start_scan(mac))
dprintk(KERN_INFO PFX "Associate: failed to initiate scan. Is device up?\n");
return;
- }
- else {
+ } else {
spin_lock_irqsave(&mac->lock, flags);
mac->associnfo.associating = 0;
mac->associated = 0;
spin_unlock_irqrestore(&mac->lock, flags);
dprintk(KERN_INFO PFX "Unable to find matching network after scan!\n");
+ /* reset the retry counter for the next user request since we
+ * break out and don't reschedule ourselves after this point. */
+ mac->associnfo.scan_retry = IEEE80211SOFTMAC_ASSOC_SCAN_RETRY_LIMIT;
ieee80211softmac_call_events(mac, IEEE80211SOFTMAC_EVENT_ASSOCIATE_NET_NOT_FOUND, NULL);
return;
}
}
-
+
+ /* reset the retry counter for the next user request since we
+ * now found a net and will try to associate to it, but not
+ * schedule this function again. */
+ mac->associnfo.scan_retry = IEEE80211SOFTMAC_ASSOC_SCAN_RETRY_LIMIT;
mac->associnfo.bssvalid = 1;
memcpy(mac->associnfo.bssid, found->bssid, ETH_ALEN);
/* copy the ESSID for displaying it */
diff --git a/net/ieee80211/softmac/ieee80211softmac_module.c b/net/ieee80211/softmac/ieee80211softmac_module.c
index 60f06a31..be83bdc 100644
--- a/net/ieee80211/softmac/ieee80211softmac_module.c
+++ b/net/ieee80211/softmac/ieee80211softmac_module.c
@@ -45,6 +45,8 @@ struct net_device *alloc_ieee80211softmac(int sizeof_priv)
softmac->ieee->handle_disassoc = ieee80211softmac_handle_disassoc;
softmac->scaninfo = NULL;
+ softmac->associnfo.scan_retry = IEEE80211SOFTMAC_ASSOC_SCAN_RETRY_LIMIT;
+
/* TODO: initialise all the other callbacks in the ieee struct
* (once they're written)
*/
diff --git a/net/ieee80211/softmac/ieee80211softmac_wx.c b/net/ieee80211/softmac/ieee80211softmac_wx.c
index 00f0d4f..27edb2b 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,
@@ -83,7 +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 */
@@ -310,8 +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 */
@@ -320,10 +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) {
@@ -333,12 +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;
}