This patch adds support for 802.11w for rt2800. This is achieved by
using the 802.11w implementation in mac80211.
To get this working, it is necessary that hw encryption of
rt2800pci / rt2800usb is disabled, because I don't know of any support
in hardware for 802.11w and therefore let mac80211 do the whole job.
The user can enable 802.11w support by disabling hw encryption by
setting module parameter nohwcrypt=1.
Tested with rt2860 and rt3572.
This is a workaround as long as there isn't hardware support implemented
in the driver.
Signed-off-by: Andreas Hartmann <andihartmann@xxxxxxxxxxxxxxx>
---
diff -ru compat-wireless-2012-04-26.orig/drivers/net/wireless/rt2x00/rt2800pci.c compat-wireless-2012-04-26/drivers/net/wireless/rt2x00/rt2800pci.c
--- compat-wireless-2012-04-26.orig/drivers/net/wireless/rt2x00/rt2800pci.c 2012-04-26 22:10:30.000000000 +0200
+++ compat-wireless-2012-04-26/drivers/net/wireless/rt2x00/rt2800pci.c 2012-05-10 19:06:51.813040835 +0200
@@ -52,7 +52,7 @@
*/
static bool modparam_nohwcrypt = false;
module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
-MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
+MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption. Enable MFP (802.11w)");
static void rt2800pci_mcu_status(struct rt2x00_dev *rt2x00dev, const u8 token)
{
@@ -1020,6 +1020,11 @@
__set_bit(REQUIRE_TASKLET_CONTEXT, &rt2x00dev->cap_flags);
if (!modparam_nohwcrypt)
__set_bit(CAPABILITY_HW_CRYPTO, &rt2x00dev->cap_flags);
+ else {
+ INFO(rt2x00dev, "802.11w support (MFP) enabled.\n");
+ rt2x00dev->hw->flags |=
+ IEEE80211_HW_MFP_CAPABLE;
+ }
__set_bit(CAPABILITY_LINK_TUNING, &rt2x00dev->cap_flags);
__set_bit(REQUIRE_HT_TX_DESC, &rt2x00dev->cap_flags);
diff -ru compat-wireless-2012-04-26.orig/drivers/net/wireless/rt2x00/rt2800usb.c compat-wireless-2012-04-26/drivers/net/wireless/rt2x00/rt2800usb.c
--- compat-wireless-2012-04-26.orig/drivers/net/wireless/rt2x00/rt2800usb.c 2012-04-26 22:10:30.000000000 +0200
+++ compat-wireless-2012-04-26/drivers/net/wireless/rt2x00/rt2800usb.c 2012-05-10 19:08:06.642042805 +0200
@@ -47,7 +47,7 @@
*/
static bool modparam_nohwcrypt;
module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
-MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
+MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption. Enable MFP (802.11w).");
/*
* Queue handlers.
@@ -769,6 +769,11 @@
__set_bit(REQUIRE_L2PAD, &rt2x00dev->cap_flags);
if (!modparam_nohwcrypt)
__set_bit(CAPABILITY_HW_CRYPTO, &rt2x00dev->cap_flags);
+ else {
+ INFO(rt2x00dev, "802.11w support (MFP) enabled.\n");
+ rt2x00dev->hw->flags |=
+ IEEE80211_HW_MFP_CAPABLE;
+ }
__set_bit(CAPABILITY_LINK_TUNING, &rt2x00dev->cap_flags);
__set_bit(REQUIRE_HT_TX_DESC, &rt2x00dev->cap_flags);
__set_bit(REQUIRE_TXSTATUS_FIFO, &rt2x00dev->cap_flags);
--
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