From: reyk <reyk@openbsd.org>
Date: Fri, 29 Aug 2008 10:05:00 +0000 (+0000)
Subject: add a HAL function to force disabling the hardware crypto engine
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=04f5d1c1cbf9ec16aa1723c1a9a524b98f23c322;p=openbsd

add a HAL function to force disabling the hardware crypto engine
---

diff --git a/sys/dev/ic/ar5210.c b/sys/dev/ic/ar5210.c
index ee600939c29..2d8270a5176 100644
--- a/sys/dev/ic/ar5210.c
+++ b/sys/dev/ic/ar5210.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: ar5210.c,v 1.42 2008/08/27 09:05:03 damien Exp $        */
+/*     $OpenBSD: ar5210.c,v 1.43 2008/08/29 10:05:00 reyk Exp $        */
 
 /*
  * Copyright (c) 2004, 2005, 2006, 2007 Reyk Floeter <reyk@openbsd.org>
@@ -132,6 +132,7 @@ ar5k_ar5210_fill(struct ath_hal *hal)
 	AR5K_HAL_FUNCTION(hal, ar5210, is_key_valid);
 	AR5K_HAL_FUNCTION(hal, ar5210, set_key);
 	AR5K_HAL_FUNCTION(hal, ar5210, set_key_lladdr);
+	AR5K_HAL_FUNCTION(hal, ar5210, softcrypto);
 
 	/*
 	 * Power management functions
@@ -1915,6 +1916,28 @@ ar5k_ar5210_set_key_lladdr(struct ath_hal *hal, u_int16_t entry,
 	return (AH_TRUE);
 }
 
+HAL_BOOL
+ar5k_ar5210_softcrypto(struct ath_hal *hal, HAL_BOOL enable)
+{
+	u_int32_t bits;
+	int i;
+
+	bits = AR5K_AR5210_DIAG_SW_DIS_ENC | AR5K_AR5210_DIAG_SW_DIS_DEC;
+	if (enable == AH_TRUE) {
+		/* Disable the hardware crypto engine */
+		AR5K_REG_ENABLE_BITS(AR5K_AR5210_DIAG_SW, bits);
+	} else {
+		/* Enable the hardware crypto engine */
+		AR5K_REG_DISABLE_BITS(AR5K_AR5210_DIAG_SW, bits);
+	}
+
+	/* Reset the key cache */
+	for (i = 0; i < AR5K_AR5210_KEYTABLE_SIZE; i++)
+		ar5k_ar5210_reset_key(hal, i);
+
+	return (AH_TRUE);
+}
+
 /*
  * Power management functions
  */
diff --git a/sys/dev/ic/ar5211.c b/sys/dev/ic/ar5211.c
index e35b829cd5e..def07374ad0 100644
--- a/sys/dev/ic/ar5211.c
+++ b/sys/dev/ic/ar5211.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: ar5211.c,v 1.38 2008/08/27 09:05:03 damien Exp $	*/
+/*	$OpenBSD: ar5211.c,v 1.39 2008/08/29 10:05:00 reyk Exp $	*/
 
 /*
  * Copyright (c) 2004, 2005, 2006, 2007 Reyk Floeter <reyk@openbsd.org>
@@ -136,6 +136,7 @@ ar5k_ar5211_fill(struct ath_hal *hal)
 	AR5K_HAL_FUNCTION(hal, ar5211, is_key_valid);
 	AR5K_HAL_FUNCTION(hal, ar5211, set_key);
 	AR5K_HAL_FUNCTION(hal, ar5211, set_key_lladdr);
+	AR5K_HAL_FUNCTION(hal, ar5211, softcrypto);
 
 	/*
 	 * Power management functions
@@ -2020,6 +2021,28 @@ ar5k_ar5211_set_key_lladdr(struct ath_hal *hal, u_int16_t entry,
 	return (AH_TRUE);
 }
 
+HAL_BOOL
+ar5k_ar5211_softcrypto(struct ath_hal *hal, HAL_BOOL enable)
+{
+	u_int32_t bits;
+	int i;
+
+	bits = AR5K_AR5211_DIAG_SW_DIS_ENC | AR5K_AR5211_DIAG_SW_DIS_DEC;
+	if (enable == AH_TRUE) {
+		/* Disable the hardware crypto engine */
+		AR5K_REG_ENABLE_BITS(AR5K_AR5211_DIAG_SW, bits);
+	} else {
+		/* Enable the hardware crypto engine */
+		AR5K_REG_DISABLE_BITS(AR5K_AR5211_DIAG_SW, bits);
+	}
+
+	/* Reset the key cache */
+	for (i = 0; i < AR5K_AR5211_KEYTABLE_SIZE; i++)
+		ar5k_ar5211_reset_key(hal, i);
+
+	return (AH_TRUE);
+}
+
 /*
  * Power management functions
  */
diff --git a/sys/dev/ic/ar5212.c b/sys/dev/ic/ar5212.c
index 5cf3bf5b666..1affee9d453 100644
--- a/sys/dev/ic/ar5212.c
+++ b/sys/dev/ic/ar5212.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: ar5212.c,v 1.46 2008/08/27 09:05:03 damien Exp $	*/
+/*	$OpenBSD: ar5212.c,v 1.47 2008/08/29 10:05:00 reyk Exp $	*/
 
 /*
  * Copyright (c) 2004, 2005, 2006, 2007 Reyk Floeter <reyk@openbsd.org>
@@ -139,6 +139,7 @@ ar5k_ar5212_fill(struct ath_hal *hal)
 	AR5K_HAL_FUNCTION(hal, ar5212, is_key_valid);
 	AR5K_HAL_FUNCTION(hal, ar5212, set_key);
 	AR5K_HAL_FUNCTION(hal, ar5212, set_key_lladdr);
+	AR5K_HAL_FUNCTION(hal, ar5212, softcrypto);
 
 	/*
 	 * Power management functions
@@ -2392,6 +2393,28 @@ ar5k_ar5212_set_key_lladdr(struct ath_hal *hal, u_int16_t entry,
 	return (AH_TRUE);
 }
 
+HAL_BOOL
+ar5k_ar5212_softcrypto(struct ath_hal *hal, HAL_BOOL enable)
+{
+	u_int32_t bits;
+	int i;
+
+	bits = AR5K_AR5212_DIAG_SW_DIS_ENC | AR5K_AR5212_DIAG_SW_DIS_DEC;
+	if (enable == AH_TRUE) {
+		/* Disable the hardware crypto engine */
+		AR5K_REG_ENABLE_BITS(AR5K_AR5212_DIAG_SW, bits);
+	} else {
+		/* Enable the hardware crypto engine */
+		AR5K_REG_DISABLE_BITS(AR5K_AR5212_DIAG_SW, bits);
+	}
+
+	/* Reset the key cache */
+	for (i = 0; i < AR5K_AR5212_KEYTABLE_SIZE; i++)
+		ar5k_ar5212_reset_key(hal, i);
+
+	return (AH_TRUE);
+}
+
 /*
  * Power management functions
  */
diff --git a/sys/dev/ic/ar5xxx.h b/sys/dev/ic/ar5xxx.h
index 9ddfe679253..348d64a7f05 100644
--- a/sys/dev/ic/ar5xxx.h
+++ b/sys/dev/ic/ar5xxx.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: ar5xxx.h,v 1.44 2008/07/30 07:15:39 reyk Exp $	*/
+/*	$OpenBSD: ar5xxx.h,v 1.45 2008/08/29 10:05:00 reyk Exp $	*/
 
 /*
  * Copyright (c) 2004, 2005, 2006, 2007 Reyk Floeter <reyk@openbsd.org>
@@ -1045,6 +1045,7 @@ struct ath_desc {
 	    const HAL_KEYVAL *, const u_int8_t *, int);	\
 	_t HAL_BOOL (_a _n##_set_key_lladdr)(struct ath_hal*, \
 	    u_int16_t, const u_int8_t *); \
+	_t HAL_BOOL (_a _n##_softcrypto)(struct ath_hal *, HAL_BOOL); \
 	/* Power Management Functions */ \
 	_t HAL_BOOL (_a _n##_set_power)(struct ath_hal*, \
 	    HAL_POWER_MODE mode, \