From 008c44825db74c6cdcea13dfb1598896e74fe908 Mon Sep 17 00:00:00 2001 From: Ivo van Doorn Date: Wed, 6 Aug 2008 17:27:31 +0200 Subject: [PATCH] rt2x00: Add module parameter to disable HW crypto Add a module parameter to rt61 and rt73 to disable HW crypto. The option should only be checked when determining if the SUPPORT_HW_CRYPTO flag should be set or not. Signed-off-by: Ivo van Doorn Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt61pci.c | 10 +++++++++- drivers/net/wireless/rt2x00/rt73usb.c | 10 +++++++++- 2 files changed, 18 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c index 0fcc45636834..23cf93dfda06 100644 --- a/drivers/net/wireless/rt2x00/rt61pci.c +++ b/drivers/net/wireless/rt2x00/rt61pci.c @@ -37,6 +37,13 @@ #include "rt2x00pci.h" #include "rt61pci.h" +/* + * Allow hardware encryption to be disabled. + */ +static int modparam_nohwcrypt = 0; +module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO); +MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption."); + /* * Register access. * BBP and RF register require indirect register access, @@ -2617,7 +2624,8 @@ static int rt61pci_probe_hw(struct rt2x00_dev *rt2x00dev) */ __set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags); __set_bit(DRIVER_REQUIRE_DMA, &rt2x00dev->flags); - __set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags); + if (!modparam_nohwcrypt) + __set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags); /* * Set the rssi offset. diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c index 4f2eb90aaf07..f58fd059c9a0 100644 --- a/drivers/net/wireless/rt2x00/rt73usb.c +++ b/drivers/net/wireless/rt2x00/rt73usb.c @@ -36,6 +36,13 @@ #include "rt2x00usb.h" #include "rt73usb.h" +/* + * Allow hardware encryption to be disabled. + */ +static int modparam_nohwcrypt = 0; +module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO); +MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption."); + /* * Register access. * All access to the CSR registers will go through the methods @@ -2211,7 +2218,8 @@ static int rt73usb_probe_hw(struct rt2x00_dev *rt2x00dev) */ __set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags); __set_bit(DRIVER_REQUIRE_SCHEDULED, &rt2x00dev->flags); - __set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags); + if (!modparam_nohwcrypt) + __set_bit(CONFIG_SUPPORT_HW_CRYPTO, &rt2x00dev->flags); /* * Set the rssi offset. -- 2.30.2