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raspberrypi-kernel
“1956a96de488feb05e95c08c9d5e80f63a4be2b1”上不存在“arch/x86/include/asm/iommu.h”
提交 6faa0f57 编写于 作者: H Harsh Jain 提交者： Herbert Xu
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crypto: chelsio - Return -ENOSPC for transient busy indication. 

Change the return type based on following patch
https://www.mail-archive.com/linux-crypto@vger.kernel.org/msg28552.htmlSigned-off-by: NHarsh Jain <harsh@chelsio.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>
上级 d9c35771
隐藏空白更改
内联 并排
Showing with 26 addition and 30 deletion
drivers/crypto/chelsio/chcr_algo.c
浏览文件 @ 6faa0f57
......@@ -688,6 +688,7 @@ static int chcr_cipher_fallback(struct crypto_skcipher *cipher,
int err;
SKCIPHER_REQUEST_ON_STACK(subreq, cipher);
skcipher_request_set_tfm(subreq, cipher);
skcipher_request_set_callback(subreq, flags, NULL, NULL);
skcipher_request_set_crypt(subreq, src, dst,
......@@ -1113,14 +1114,6 @@ static int chcr_handle_cipher_resp(struct ablkcipher_request *req,
goto complete;
}
if (unlikely(cxgb4_is_crypto_q_full(u_ctx->lldi.ports[0],
c_ctx(tfm)->tx_qidx))) {
if (!(req->base.flags & CRYPTO_TFM_REQ_MAY_BACKLOG)) {
err = -EBUSY;
goto unmap;
}
}
if (!reqctx->imm) {
bytes = chcr_sg_ent_in_wr(reqctx->srcsg, reqctx->dstsg, 1,
CIP_SPACE_LEFT(ablkctx->enckey_len),
......@@ -1293,13 +1286,14 @@ static int chcr_aes_encrypt(struct ablkcipher_request *req)
{
struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
struct sk_buff *skb = NULL;
int err;
int err, isfull = 0;
struct uld_ctx *u_ctx = ULD_CTX(c_ctx(tfm));
if (unlikely(cxgb4_is_crypto_q_full(u_ctx->lldi.ports[0],
c_ctx(tfm)->tx_qidx))) {
isfull = 1;
if (!(req->base.flags & CRYPTO_TFM_REQ_MAY_BACKLOG))
return -EBUSY;
return -ENOSPC;
}
err = process_cipher(req, u_ctx->lldi.rxq_ids[c_ctx(tfm)->rx_qidx],
......@@ -1309,7 +1303,7 @@ static int chcr_aes_encrypt(struct ablkcipher_request *req)
skb->dev = u_ctx->lldi.ports[0];
set_wr_txq(skb, CPL_PRIORITY_DATA, c_ctx(tfm)->tx_qidx);
chcr_send_wr(skb);
return -EINPROGRESS;
return isfull ? -EBUSY : -EINPROGRESS;
}
static int chcr_aes_decrypt(struct ablkcipher_request *req)
......@@ -1317,12 +1311,13 @@ static int chcr_aes_decrypt(struct ablkcipher_request *req)
struct crypto_ablkcipher *tfm = crypto_ablkcipher_reqtfm(req);
struct uld_ctx *u_ctx = ULD_CTX(c_ctx(tfm));
struct sk_buff *skb = NULL;
int err;
int err, isfull = 0;
if (unlikely(cxgb4_is_crypto_q_full(u_ctx->lldi.ports[0],
c_ctx(tfm)->tx_qidx))) {
isfull = 1;
if (!(req->base.flags & CRYPTO_TFM_REQ_MAY_BACKLOG))
return -EBUSY;
return -ENOSPC;
}
err = process_cipher(req, u_ctx->lldi.rxq_ids[c_ctx(tfm)->rx_qidx],
......@@ -1332,7 +1327,7 @@ static int chcr_aes_decrypt(struct ablkcipher_request *req)
skb->dev = u_ctx->lldi.ports[0];
set_wr_txq(skb, CPL_PRIORITY_DATA, c_ctx(tfm)->tx_qidx);
chcr_send_wr(skb);
return -EINPROGRESS;
return isfull ? -EBUSY : -EINPROGRESS;
}
static int chcr_device_init(struct chcr_context *ctx)
......@@ -1574,14 +1569,15 @@ static int chcr_ahash_update(struct ahash_request *req)
u8 remainder = 0, bs;
unsigned int nbytes = req->nbytes;
struct hash_wr_param params;
int error;
int error, isfull = 0;
bs = crypto_tfm_alg_blocksize(crypto_ahash_tfm(rtfm));
u_ctx = ULD_CTX(h_ctx(rtfm));
if (unlikely(cxgb4_is_crypto_q_full(u_ctx->lldi.ports[0],
h_ctx(rtfm)->tx_qidx))) {
isfull = 1;
if (!(req->base.flags & CRYPTO_TFM_REQ_MAY_BACKLOG))
return -EBUSY;
return -ENOSPC;
}
if (nbytes + req_ctx->reqlen >= bs) {
......@@ -1633,7 +1629,7 @@ static int chcr_ahash_update(struct ahash_request *req)
set_wr_txq(skb, CPL_PRIORITY_DATA, h_ctx(rtfm)->tx_qidx);
chcr_send_wr(skb);
return -EINPROGRESS;
return isfull ? -EBUSY : -EINPROGRESS;
unmap:
chcr_hash_dma_unmap(&u_ctx->lldi.pdev->dev, req);
return error;
......@@ -1710,15 +1706,16 @@ static int chcr_ahash_finup(struct ahash_request *req)
struct sk_buff *skb;
struct hash_wr_param params;
u8 bs;
int error;
int error, isfull = 0;
bs = crypto_tfm_alg_blocksize(crypto_ahash_tfm(rtfm));
u_ctx = ULD_CTX(h_ctx(rtfm));
if (unlikely(cxgb4_is_crypto_q_full(u_ctx->lldi.ports[0],
h_ctx(rtfm)->tx_qidx))) {
isfull = 1;
if (!(req->base.flags & CRYPTO_TFM_REQ_MAY_BACKLOG))
return -EBUSY;
return -ENOSPC;
}
chcr_init_hctx_per_wr(req_ctx);
error = chcr_hash_dma_map(&u_ctx->lldi.pdev->dev, req);
......@@ -1777,7 +1774,7 @@ static int chcr_ahash_finup(struct ahash_request *req)
set_wr_txq(skb, CPL_PRIORITY_DATA, h_ctx(rtfm)->tx_qidx);
chcr_send_wr(skb);
return -EINPROGRESS;
return isfull ? -EBUSY : -EINPROGRESS;
unmap:
chcr_hash_dma_unmap(&u_ctx->lldi.pdev->dev, req);
return error;
......@@ -1791,7 +1788,7 @@ static int chcr_ahash_digest(struct ahash_request *req)
struct sk_buff *skb;
struct hash_wr_param params;
u8 bs;
int error;
int error, isfull = 0;
rtfm->init(req);
bs = crypto_tfm_alg_blocksize(crypto_ahash_tfm(rtfm));
......@@ -1799,8 +1796,9 @@ static int chcr_ahash_digest(struct ahash_request *req)
u_ctx = ULD_CTX(h_ctx(rtfm));
if (unlikely(cxgb4_is_crypto_q_full(u_ctx->lldi.ports[0],
h_ctx(rtfm)->tx_qidx))) {
isfull = 1;
if (!(req->base.flags & CRYPTO_TFM_REQ_MAY_BACKLOG))
return -EBUSY;
return -ENOSPC;
}
chcr_init_hctx_per_wr(req_ctx);
......@@ -1856,7 +1854,7 @@ static int chcr_ahash_digest(struct ahash_request *req)
skb->dev = u_ctx->lldi.ports[0];
set_wr_txq(skb, CPL_PRIORITY_DATA, h_ctx(rtfm)->tx_qidx);
chcr_send_wr(skb);
return -EINPROGRESS;
return isfull ? -EBUSY : -EINPROGRESS;
unmap:
chcr_hash_dma_unmap(&u_ctx->lldi.pdev->dev, req);
return error;
......@@ -1875,11 +1873,6 @@ static int chcr_ahash_continue(struct ahash_request *req)
bs = crypto_tfm_alg_blocksize(crypto_ahash_tfm(rtfm));
u_ctx = ULD_CTX(h_ctx(rtfm));
if (unlikely(cxgb4_is_crypto_q_full(u_ctx->lldi.ports[0],
h_ctx(rtfm)->tx_qidx))) {
if (!(req->base.flags & CRYPTO_TFM_REQ_MAY_BACKLOG))
return -EBUSY;
}
get_alg_config(&params.alg_prm, crypto_ahash_digestsize(rtfm));
params.kctx_len = roundup(params.alg_prm.result_size, 16);
if (is_hmac(crypto_ahash_tfm(rtfm))) {
......@@ -3461,6 +3454,7 @@ static int chcr_authenc_setkey(struct crypto_aead *authenc, const u8 *key,
}
{
SHASH_DESC_ON_STACK(shash, base_hash);
shash->tfm = base_hash;
shash->flags = crypto_shash_get_flags(base_hash);
bs = crypto_shash_blocksize(base_hash);
......@@ -3592,6 +3586,7 @@ static int chcr_aead_op(struct aead_request *req,
struct crypto_aead *tfm = crypto_aead_reqtfm(req);
struct uld_ctx *u_ctx;
struct sk_buff *skb;
int isfull = 0;
if (!a_ctx(tfm)->dev) {
pr_err("chcr : %s : No crypto device.\n", __func__);
......@@ -3600,8 +3595,9 @@ static int chcr_aead_op(struct aead_request *req,
u_ctx = ULD_CTX(a_ctx(tfm));
if (cxgb4_is_crypto_q_full(u_ctx->lldi.ports[0],
a_ctx(tfm)->tx_qidx)) {
isfull = 1;
if (!(req->base.flags & CRYPTO_TFM_REQ_MAY_BACKLOG))
return -EBUSY;
return -ENOSPC;
}
/* Form a WR from req */
......@@ -3614,7 +3610,7 @@ static int chcr_aead_op(struct aead_request *req,
skb->dev = u_ctx->lldi.ports[0];
set_wr_txq(skb, CPL_PRIORITY_DATA, a_ctx(tfm)->tx_qidx);
chcr_send_wr(skb);
return -EINPROGRESS;
return isfull ? -EBUSY : -EINPROGRESS;
}
static int chcr_aead_encrypt(struct aead_request *req)
......
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