rt2x00: Add module parameter to disable HW crypto

[mirror_ubuntu-bionic-kernel.git] / drivers / net / wireless / rt2x00 / rt61pci.c

diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index 0fcc456368340a1b2feadf8110fdc391baa89328..23cf93dfda0603c4150feadbe004f5e7a3b71ef5 100644 (file)
--- 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.