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cfg80211: don't optimise wext calls too much

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In the wext code I tried to not reconnect all the time
when the user wasn't really sure what they were doing,
like setting the BSSID back to the same value it was.
However, this optimisation should only be done while
associated so that setting the BSSID back to the same
value that it was actually triggers a new association
if not currently associated. To achieve, that, put the
relevant code into the !IDLE case instead.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Tested-by: Kalle Valo <kalle.valo@iki.fi>
Tested-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2009-07-16 11:39:04 +02:00 committed by John W. Linville
parent d4b1a6876f
commit 25e83c490b
1 changed files with 22 additions and 20 deletions
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12
net/wireless/wext-sme.c
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@ -72,13 +72,14 @@ int cfg80211_mgd_wext_siwfreq(struct net_device *dev,
cfg80211_lock_rdev(rdev);
wdev_lock(wdev);
if (wdev->sme_state != CFG80211_SME_IDLE) {
bool event = true;
if (wdev->wext.connect.channel == chan) {
err = 0;
goto out;
}
if (wdev->sme_state != CFG80211_SME_IDLE) {
bool event = true;
/* if SSID set, we'll try right again, avoid event */
if (wdev->wext.connect.ssid_len)
event = false;
@ -164,13 +165,14 @@ int cfg80211_mgd_wext_siwessid(struct net_device *dev,
err = 0;
if (wdev->sme_state != CFG80211_SME_IDLE) {
bool event = true;
if (wdev->wext.connect.ssid && len &&
len == wdev->wext.connect.ssid_len &&
memcmp(wdev->wext.connect.ssid, ssid, len) == 0)
goto out;
if (wdev->sme_state != CFG80211_SME_IDLE) {
bool event = true;
/* if SSID set now, we'll try to connect, avoid event */
if (len)
event = false;
@ -244,6 +246,7 @@ int cfg80211_mgd_wext_siwap(struct net_device *dev,
cfg80211_lock_rdev(wiphy_to_dev(wdev->wiphy));
wdev_lock(wdev);
if (wdev->sme_state != CFG80211_SME_IDLE) {
err = 0;
/* both automatic */
if (!bssid && !wdev->wext.connect.bssid)
@ -254,7 +257,6 @@ int cfg80211_mgd_wext_siwap(struct net_device *dev,
compare_ether_addr(bssid, wdev->wext.connect.bssid) == 0)
goto out;
if (wdev->sme_state != CFG80211_SME_IDLE) {
err = __cfg80211_disconnect(wiphy_to_dev(wdev->wiphy),
dev, WLAN_REASON_DEAUTH_LEAVING,
false);