rpms/wpa_supplicant/devel wpa_supplicant-0.6.7-wext-scan-size.patch, NONE, 1.1 wpa_supplicant.spec, 1.52, 1.53
Daniel Williams
dcbw at fedoraproject.org
Fri Feb 6 22:26:21 UTC 2009
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Author: dcbw
Update of /cvs/extras/rpms/wpa_supplicant/devel
In directory cvs1.fedora.phx.redhat.com:/tmp/cvs-serv6928
Modified Files:
wpa_supplicant.spec
Added Files:
wpa_supplicant-0.6.7-wext-scan-size.patch
Log Message:
* Fri Feb 6 2009 Dan Williams <dcbw at redhat.com> - 1:0.6.7-3
- Fix scan result retrieval in very dense wifi environments
wpa_supplicant-0.6.7-wext-scan-size.patch:
--- NEW FILE wpa_supplicant-0.6.7-wext-scan-size.patch ---
commit 42f1ee7d1fae8a67a2a48adfda19f9aafc3fef32
Author: Jouni Malinen <jouni.malinen at atheros.com>
Date: Thu Feb 5 12:00:23 2009 +0200
Fixed scan buffer increasing with WEXT
We can now handle up to 65535 byte result buffer which is the maximum
due to WEXT using 16-bit length field. Previously, this was limited to
32768 bytes in practice even through we tried with 65536 and 131072
buffers which we just truncated into 0 in the 16-bit variable.
This more or less doubles the number of BSSes we can received from scan
results.
diff --git a/src/drivers/driver_nl80211.c b/src/drivers/driver_nl80211.c
index 5e40cd2..2646270 100644
--- a/src/drivers/driver_nl80211.c
+++ b/src/drivers/driver_nl80211.c
@@ -1565,10 +1565,12 @@ static u8 * wpa_driver_nl80211_giwscan(struct wpa_driver_nl80211_data *drv,
if (ioctl(drv->ioctl_sock, SIOCGIWSCAN, &iwr) == 0)
break;
- if (errno == E2BIG && res_buf_len < 100000) {
+ if (errno == E2BIG && res_buf_len < 65535) {
os_free(res_buf);
res_buf = NULL;
res_buf_len *= 2;
+ if (res_buf_len > 65535)
+ res_buf_len = 65535; /* 16-bit length field */
wpa_printf(MSG_DEBUG, "Scan results did not fit - "
"trying larger buffer (%lu bytes)",
(unsigned long) res_buf_len);
diff --git a/src/drivers/driver_wext.c b/src/drivers/driver_wext.c
index b6273e5..631c63d 100644
--- a/src/drivers/driver_wext.c
+++ b/src/drivers/driver_wext.c
@@ -1140,10 +1140,12 @@ static u8 * wpa_driver_wext_giwscan(struct wpa_driver_wext_data *drv,
if (ioctl(drv->ioctl_sock, SIOCGIWSCAN, &iwr) == 0)
break;
- if (errno == E2BIG && res_buf_len < 100000) {
+ if (errno == E2BIG && res_buf_len < 65535) {
os_free(res_buf);
res_buf = NULL;
res_buf_len *= 2;
+ if (res_buf_len > 65535)
+ res_buf_len = 65535; /* 16-bit length field */
wpa_printf(MSG_DEBUG, "Scan results did not fit - "
"trying larger buffer (%lu bytes)",
(unsigned long) res_buf_len);
Index: wpa_supplicant.spec
===================================================================
RCS file: /cvs/extras/rpms/wpa_supplicant/devel/wpa_supplicant.spec,v
retrieving revision 1.52
retrieving revision 1.53
diff -u -r1.52 -r1.53
--- wpa_supplicant.spec 6 Feb 2009 21:35:16 -0000 1.52
+++ wpa_supplicant.spec 6 Feb 2009 22:25:50 -0000 1.53
@@ -2,7 +2,7 @@
Name: wpa_supplicant
Epoch: 1
Version: 0.6.7
-Release: 2%{?dist}
+Release: 3%{?dist}
License: BSD
Group: System Environment/Base
Source0: http://hostap.epitest.fi/releases/%{name}-%{version}.tar.gz
@@ -19,6 +19,7 @@
Patch4: wpa_supplicant-0.5.10-dbus-service-file.patch
Patch5: wpa_supplicant-0.6.7-quiet-scan-results-message.patch
Patch6: wpa-supplicant-0.6.7-really-disassoc.patch
+Patch7: wpa_supplicant-0.6.7-wext-scan-size.patch
URL: http://w1.fi/wpa_supplicant/
BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
@@ -53,6 +54,7 @@
%patch4 -p1 -b .dbus-service-file
%patch5 -p1 -b .quiet-scan-results-msg
%patch6 -p1 -b .really-disassociate
+%patch7 -p1 -b .lots-o-scan-results
%build
pushd wpa_supplicant
@@ -143,6 +145,9 @@
%{_bindir}/wpa_gui
%changelog
+* Fri Feb 6 2009 Dan Williams <dcbw at redhat.com> - 1:0.6.7-3
+- Fix scan result retrieval in very dense wifi environments
+
* Fri Feb 6 2009 Dan Williams <dcbw at redhat.com> - 1:0.6.7-2
- Ensure that drivers don't retry association when they aren't supposed to
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