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authorHarsh Jain <harsh@chelsio.com>2016-11-29 16:30:42 +0300
committerHerbert Xu <herbert@gondor.apana.org.au>2016-11-30 15:01:50 +0300
commit5c86a8ff2e0deba95324cc59e6b90c28da8af535 (patch)
tree2c4193a6a6781948d929aa01cc22e3f4d90605e0 /drivers/crypto
parente7922729bef4474c5817fa2184154a1698757d48 (diff)
downloadlinux-5c86a8ff2e0deba95324cc59e6b90c28da8af535.tar.xz
crypto: chcr - Move tfm ctx variable to request context
Move request specific data in request context. Signed-off-by: Harsh Jain <harsh@chelsio.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto')
-rw-r--r--drivers/crypto/chelsio/chcr_algo.c26
-rw-r--r--drivers/crypto/chelsio/chcr_crypto.h9
2 files changed, 17 insertions, 18 deletions
diff --git a/drivers/crypto/chelsio/chcr_algo.c b/drivers/crypto/chelsio/chcr_algo.c
index e19f7f40bd75..8d677c7e3d61 100644
--- a/drivers/crypto/chelsio/chcr_algo.c
+++ b/drivers/crypto/chelsio/chcr_algo.c
@@ -119,7 +119,7 @@ int chcr_handle_resp(struct crypto_async_request *req, unsigned char *input,
AES_BLOCK_SIZE);
}
dma_unmap_sg(&u_ctx->lldi.pdev->dev, ctx_req.req.ablk_req->dst,
- ABLK_CTX(ctx)->dst_nents, DMA_FROM_DEVICE);
+ ctx_req.ctx.ablk_ctx->dst_nents, DMA_FROM_DEVICE);
if (ctx_req.ctx.ablk_ctx->skb) {
kfree_skb(ctx_req.ctx.ablk_ctx->skb);
ctx_req.ctx.ablk_ctx->skb = NULL;
@@ -138,8 +138,10 @@ int chcr_handle_resp(struct crypto_async_request *req, unsigned char *input,
updated_digestsize = SHA256_DIGEST_SIZE;
else if (digestsize == SHA384_DIGEST_SIZE)
updated_digestsize = SHA512_DIGEST_SIZE;
- if (ctx_req.ctx.ahash_ctx->skb)
+ if (ctx_req.ctx.ahash_ctx->skb) {
+ kfree_skb(ctx_req.ctx.ahash_ctx->skb);
ctx_req.ctx.ahash_ctx->skb = NULL;
+ }
if (ctx_req.ctx.ahash_ctx->result == 1) {
ctx_req.ctx.ahash_ctx->result = 0;
memcpy(ctx_req.req.ahash_req->result, input +
@@ -318,8 +320,7 @@ static inline int is_hmac(struct crypto_tfm *tfm)
struct chcr_alg_template *chcr_crypto_alg =
container_of(__crypto_ahash_alg(alg), struct chcr_alg_template,
alg.hash);
- if ((chcr_crypto_alg->type & CRYPTO_ALG_SUB_TYPE_MASK) ==
- CRYPTO_ALG_SUB_TYPE_HASH_HMAC)
+ if (chcr_crypto_alg->type == CRYPTO_ALG_TYPE_HMAC)
return 1;
return 0;
}
@@ -505,7 +506,7 @@ static struct sk_buff
struct sk_buff *skb = NULL;
struct chcr_wr *chcr_req;
struct cpl_rx_phys_dsgl *phys_cpl;
- struct chcr_blkcipher_req_ctx *req_ctx = ablkcipher_request_ctx(req);
+ struct chcr_blkcipher_req_ctx *reqctx = ablkcipher_request_ctx(req);
struct phys_sge_parm sg_param;
unsigned int frags = 0, transhdr_len, phys_dsgl;
unsigned int ivsize = crypto_ablkcipher_ivsize(tfm), kctx_len;
@@ -514,12 +515,11 @@ static struct sk_buff
if (!req->info)
return ERR_PTR(-EINVAL);
- ablkctx->dst_nents = sg_nents_for_len(req->dst, req->nbytes);
- if (ablkctx->dst_nents <= 0) {
+ reqctx->dst_nents = sg_nents_for_len(req->dst, req->nbytes);
+ if (reqctx->dst_nents <= 0) {
pr_err("AES:Invalid Destination sg lists\n");
return ERR_PTR(-EINVAL);
}
- ablkctx->enc = op_type;
if ((ablkctx->enckey_len == 0) || (ivsize > AES_BLOCK_SIZE) ||
(req->nbytes <= 0) || (req->nbytes % AES_BLOCK_SIZE)) {
pr_err("AES: Invalid value of Key Len %d nbytes %d IV Len %d\n",
@@ -527,7 +527,7 @@ static struct sk_buff
return ERR_PTR(-EINVAL);
}
- phys_dsgl = get_space_for_phys_dsgl(ablkctx->dst_nents);
+ phys_dsgl = get_space_for_phys_dsgl(reqctx->dst_nents);
kctx_len = (DIV_ROUND_UP(ablkctx->enckey_len, 16) * 16);
transhdr_len = CIPHER_TRANSHDR_SIZE(kctx_len, phys_dsgl);
@@ -570,7 +570,7 @@ static struct sk_buff
}
}
phys_cpl = (struct cpl_rx_phys_dsgl *)((u8 *)(chcr_req + 1) + kctx_len);
- sg_param.nents = ablkctx->dst_nents;
+ sg_param.nents = reqctx->dst_nents;
sg_param.obsize = req->nbytes;
sg_param.qid = qid;
sg_param.align = 1;
@@ -579,11 +579,11 @@ static struct sk_buff
goto map_fail1;
skb_set_transport_header(skb, transhdr_len);
- memcpy(ablkctx->iv, req->info, ivsize);
- write_buffer_to_skb(skb, &frags, ablkctx->iv, ivsize);
+ memcpy(reqctx->iv, req->info, ivsize);
+ write_buffer_to_skb(skb, &frags, reqctx->iv, ivsize);
write_sg_to_skb(skb, &frags, req->src, req->nbytes);
create_wreq(ctx, chcr_req, req, skb, kctx_len, 0, phys_dsgl);
- req_ctx->skb = skb;
+ reqctx->skb = skb;
skb_get(skb);
return skb;
map_fail1:
diff --git a/drivers/crypto/chelsio/chcr_crypto.h b/drivers/crypto/chelsio/chcr_crypto.h
index 977d20520f53..40a5182fac90 100644
--- a/drivers/crypto/chelsio/chcr_crypto.h
+++ b/drivers/crypto/chelsio/chcr_crypto.h
@@ -120,17 +120,14 @@
/* Aligned to 128 bit boundary */
struct ablk_ctx {
- u8 enc;
- unsigned int processed_len;
__be32 key_ctx_hdr;
unsigned int enckey_len;
- unsigned int dst_nents;
u8 key[CHCR_AES_MAX_KEY_LEN];
- u8 rrkey[AES_MAX_KEY_SIZE];
- u8 iv[CHCR_MAX_CRYPTO_IV_LEN];
unsigned char ciph_mode;
+ u8 rrkey[AES_MAX_KEY_SIZE];
};
+
struct hmac_ctx {
struct crypto_shash *base_hash;
u8 ipad[CHCR_HASH_MAX_BLOCK_SIZE_128];
@@ -164,6 +161,8 @@ struct chcr_ahash_req_ctx {
struct chcr_blkcipher_req_ctx {
struct sk_buff *skb;
+ unsigned int dst_nents;
+ u8 iv[CHCR_MAX_CRYPTO_IV_LEN];
};
struct chcr_alg_template {