freifunkist-firmware/target/linux/apm821xx/patches-4.14/020-0006-crypto-crypto4xx-fix-dynamic_sa_ctl-s-sa_contents-de.patch

From 453e3090b9c3f5da70b21648c2244e9821f0916d Mon Sep 17 00:00:00 2001
From: Christian Lamparter <chunkeey@googlemail.com>
Date: Fri, 25 Aug 2017 15:47:19 +0200
Subject: [PATCH 06/25] crypto: crypto4xx - fix dynamic_sa_ctl's sa_contents
 declaration

The driver had a union dynamic_sa_contents in place that
described the meaning of the bits in the sa_contents
variable.

Signed-off-by: Christian Lamparter <chunkeey@googlemail.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
 drivers/crypto/amcc/crypto4xx_alg.c |  4 ++--
 drivers/crypto/amcc/crypto4xx_sa.c  | 12 ++++++------
 drivers/crypto/amcc/crypto4xx_sa.h  |  2 +-
 3 files changed, 9 insertions(+), 9 deletions(-)

--- a/drivers/crypto/amcc/crypto4xx_alg.c
+++ b/drivers/crypto/amcc/crypto4xx_alg.c
@@ -150,7 +150,7 @@ static int crypto4xx_setkey_aes(struct c
 				 SA_NOT_COPY_HDR);
 	crypto4xx_memcpy_le(ctx->sa_in + get_dynamic_sa_offset_key_field(ctx),
 			    key, keylen);
-	sa->sa_contents = SA_AES_CONTENTS | (keylen << 2);
+	sa->sa_contents.w = SA_AES_CONTENTS | (keylen << 2);
 	sa->sa_command_1.bf.key_len = keylen >> 3;
 	ctx->is_hash = 0;
 	ctx->direction = DIR_INBOUND;
@@ -220,7 +220,7 @@ static int crypto4xx_hash_alg_init(struc
 				 SA_NOT_COPY_PAD, SA_NOT_COPY_PAYLOAD,
 				 SA_NOT_COPY_HDR);
 	ctx->direction = DIR_INBOUND;
-	sa->sa_contents = SA_HASH160_CONTENTS;
+	sa->sa_contents.w = SA_HASH160_CONTENTS;
 	sa_in = (struct dynamic_sa_hash160 *) ctx->sa_in;
 	/* Need to zero hash digest in SA */
 	memset(sa_in->inner_digest, 0, sizeof(sa_in->inner_digest));
--- a/drivers/crypto/amcc/crypto4xx_sa.c
+++ b/drivers/crypto/amcc/crypto4xx_sa.c
@@ -40,9 +40,9 @@ u32 get_dynamic_sa_offset_state_ptr_fiel
 	union dynamic_sa_contents cts;
 
 	if (ctx->direction == DIR_INBOUND)
-		cts.w = ((struct dynamic_sa_ctl *) ctx->sa_in)->sa_contents;
+		cts.w = ((struct dynamic_sa_ctl *) ctx->sa_in)->sa_contents.w;
 	else
-		cts.w = ((struct dynamic_sa_ctl *) ctx->sa_out)->sa_contents;
+		cts.w = ((struct dynamic_sa_ctl *) ctx->sa_out)->sa_contents.w;
 	offset = cts.bf.key_size
 		+ cts.bf.inner_size
 		+ cts.bf.outer_size
@@ -66,9 +66,9 @@ u32 get_dynamic_sa_iv_size(struct crypto
 	union dynamic_sa_contents cts;
 
 	if (ctx->direction == DIR_INBOUND)
-		cts.w = ((struct dynamic_sa_ctl *) ctx->sa_in)->sa_contents;
+		cts.w = ((struct dynamic_sa_ctl *) ctx->sa_in)->sa_contents.w;
 	else
-		cts.w = ((struct dynamic_sa_ctl *) ctx->sa_out)->sa_contents;
+		cts.w = ((struct dynamic_sa_ctl *) ctx->sa_out)->sa_contents.w;
 	return (cts.bf.iv0 + cts.bf.iv1 + cts.bf.iv2 + cts.bf.iv3) * 4;
 }
 
@@ -77,9 +77,9 @@ u32 get_dynamic_sa_offset_key_field(stru
 	union dynamic_sa_contents cts;
 
 	if (ctx->direction == DIR_INBOUND)
-		cts.w = ((struct dynamic_sa_ctl *) ctx->sa_in)->sa_contents;
+		cts.w = ((struct dynamic_sa_ctl *) ctx->sa_in)->sa_contents.w;
 	else
-		cts.w = ((struct dynamic_sa_ctl *) ctx->sa_out)->sa_contents;
+		cts.w = ((struct dynamic_sa_ctl *) ctx->sa_out)->sa_contents.w;
 
 	return sizeof(struct dynamic_sa_ctl);
 }
--- a/drivers/crypto/amcc/crypto4xx_sa.h
+++ b/drivers/crypto/amcc/crypto4xx_sa.h
@@ -169,7 +169,7 @@ union sa_command_1 {
 } __attribute__((packed));
 
 struct dynamic_sa_ctl {
-	u32 sa_contents;
+	union dynamic_sa_contents sa_contents;
 	union sa_command_0 sa_command_0;
 	union sa_command_1 sa_command_1;
 } __attribute__((packed));