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authorDan Williams <dcbw@redhat.com>2007-10-03 10:37:45 -0400
committerDavid S. Miller <davem@sunset.davemloft.net>2007-10-10 16:55:18 -0700
commit2bcde51d095490c223bb4ade351cb7981c367934 (patch)
tree30e71fea1c69262e51fb722074ec05a470703270 /drivers/net
parent515ea2492cfc93233ba31402d1992a435aa78f37 (diff)
[PATCH] libertas: problems setting wpa keys
The 88w8385 chip, using SDIO interface and firmware release 5.0.11p0, has problems when both unicast and multicast WPA keys are set in one command. This patch ensures the keys are set independently. The original author of this patch is Marc Pignat <marc.pignat@hevs.ch> Signed-off-by: Marc Pignat <marc.pignat@hevs.ch> Signed-off-by: Dan Williams <dcbw@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/wireless/libertas/assoc.c35
1 files changed, 30 insertions, 5 deletions
diff --git a/drivers/net/wireless/libertas/assoc.c b/drivers/net/wireless/libertas/assoc.c
index 2c6ddb1f007..b61b176e9d0 100644
--- a/drivers/net/wireless/libertas/assoc.c
+++ b/drivers/net/wireless/libertas/assoc.c
@@ -374,15 +374,40 @@ static int assoc_helper_wpa_keys(wlan_private *priv,
struct assoc_request * assoc_req)
{
int ret = 0;
+ unsigned int flags = assoc_req->flags;
lbs_deb_enter(LBS_DEB_ASSOC);
- ret = libertas_prepare_and_send_command(priv,
- CMD_802_11_KEY_MATERIAL,
- CMD_ACT_SET,
- CMD_OPTION_WAITFORRSP,
- 0, assoc_req);
+ /* Work around older firmware bug where WPA unicast and multicast
+ * keys must be set independently. Seen in SDIO parts with firmware
+ * version 5.0.11p0.
+ */
+ if (test_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags)) {
+ clear_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags);
+ ret = libertas_prepare_and_send_command(priv,
+ CMD_802_11_KEY_MATERIAL,
+ CMD_ACT_SET,
+ CMD_OPTION_WAITFORRSP,
+ 0, assoc_req);
+ assoc_req->flags = flags;
+ }
+
+ if (ret)
+ goto out;
+
+ if (test_bit(ASSOC_FLAG_WPA_MCAST_KEY, &assoc_req->flags)) {
+ clear_bit(ASSOC_FLAG_WPA_UCAST_KEY, &assoc_req->flags);
+
+ ret = libertas_prepare_and_send_command(priv,
+ CMD_802_11_KEY_MATERIAL,
+ CMD_ACT_SET,
+ CMD_OPTION_WAITFORRSP,
+ 0, assoc_req);
+ assoc_req->flags = flags;
+ }
+
+out:
lbs_deb_leave_args(LBS_DEB_ASSOC, "ret %d", ret);
return ret;
}