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Diffstat (limited to 'drivers/crypto')
-rw-r--r--drivers/crypto/talitos.c95
1 files changed, 48 insertions, 47 deletions
diff --git a/drivers/crypto/talitos.c b/drivers/crypto/talitos.c
index a0b0a6319088..a073e6b6a3c8 100644
--- a/drivers/crypto/talitos.c
+++ b/drivers/crypto/talitos.c
@@ -341,7 +341,8 @@ static void flush_channel(struct device *dev, int ch, int error, int reset_ch)
status = error;
dma_unmap_single(dev, request->dma_desc,
- sizeof(struct talitos_desc), DMA_BIDIRECTIONAL);
+ sizeof(struct talitos_desc),
+ DMA_BIDIRECTIONAL);
/* copy entries so we can call callback outside lock */
saved_req.desc = request->desc;
@@ -415,7 +416,8 @@ static struct talitos_desc *current_desc(struct device *dev, int ch)
/*
* user diagnostics; report root cause of error based on execution unit status
*/
-static void report_eu_error(struct device *dev, int ch, struct talitos_desc *desc)
+static void report_eu_error(struct device *dev, int ch,
+ struct talitos_desc *desc)
{
struct talitos_private *priv = dev_get_drvdata(dev);
int i;
@@ -863,8 +865,8 @@ static void ipsec_esp_encrypt_done(struct device *dev,
}
static void ipsec_esp_decrypt_swauth_done(struct device *dev,
- struct talitos_desc *desc, void *context,
- int err)
+ struct talitos_desc *desc,
+ void *context, int err)
{
struct aead_request *req = context;
struct talitos_edesc *edesc =
@@ -895,8 +897,8 @@ static void ipsec_esp_decrypt_swauth_done(struct device *dev,
}
static void ipsec_esp_decrypt_hwauth_done(struct device *dev,
- struct talitos_desc *desc, void *context,
- int err)
+ struct talitos_desc *desc,
+ void *context, int err)
{
struct aead_request *req = context;
struct talitos_edesc *edesc =
@@ -905,10 +907,9 @@ static void ipsec_esp_decrypt_hwauth_done(struct device *dev,
ipsec_esp_unmap(dev, edesc, req);
/* check ICV auth status */
- if (!err)
- if ((desc->hdr_lo & DESC_HDR_LO_ICCR1_MASK) !=
- DESC_HDR_LO_ICCR1_PASS)
- err = -EBADMSG;
+ if (!err && ((desc->hdr_lo & DESC_HDR_LO_ICCR1_MASK) !=
+ DESC_HDR_LO_ICCR1_PASS))
+ err = -EBADMSG;
kfree(edesc);
@@ -996,10 +997,9 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq,
desc->ptr[4].len = cpu_to_be16(cryptlen);
desc->ptr[4].j_extent = authsize;
- sg_count = talitos_map_sg(dev, areq->src,
- edesc->src_nents ? : 1,
- (areq->src == areq->dst) ? DMA_BIDIRECTIONAL :
- DMA_TO_DEVICE,
+ sg_count = talitos_map_sg(dev, areq->src, edesc->src_nents ? : 1,
+ (areq->src == areq->dst) ? DMA_BIDIRECTIONAL
+ : DMA_TO_DEVICE,
edesc->src_is_chained);
if (sg_count == 1) {
@@ -1008,19 +1008,21 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq,
sg_link_tbl_len = cryptlen;
if ((edesc->desc.hdr & DESC_HDR_MODE1_MDEU_CICV) &&
- (edesc->desc.hdr & DESC_HDR_MODE0_ENCRYPT) == 0) {
+ (edesc->desc.hdr & DESC_HDR_MODE0_ENCRYPT) == 0)
sg_link_tbl_len = cryptlen + authsize;
- }
+
sg_count = sg_to_link_tbl(areq->src, sg_count, sg_link_tbl_len,
&edesc->link_tbl[0]);
if (sg_count > 1) {
desc->ptr[4].j_extent |= DESC_PTR_LNKTBL_JUMP;
desc->ptr[4].ptr = cpu_to_be32(edesc->dma_link_tbl);
- dma_sync_single_for_device(ctx->dev, edesc->dma_link_tbl,
- edesc->dma_len, DMA_BIDIRECTIONAL);
+ dma_sync_single_for_device(dev, edesc->dma_link_tbl,
+ edesc->dma_len,
+ DMA_BIDIRECTIONAL);
} else {
/* Only one segment now, so no link tbl needed */
- desc->ptr[4].ptr = cpu_to_be32(sg_dma_address(areq->src));
+ desc->ptr[4].ptr = cpu_to_be32(sg_dma_address(areq->
+ src));
}
}
@@ -1028,12 +1030,11 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq,
desc->ptr[5].len = cpu_to_be16(cryptlen);
desc->ptr[5].j_extent = authsize;
- if (areq->src != areq->dst) {
+ if (areq->src != areq->dst)
sg_count = talitos_map_sg(dev, areq->dst,
edesc->dst_nents ? : 1,
DMA_FROM_DEVICE,
edesc->dst_is_chained);
- }
if (sg_count == 1) {
desc->ptr[5].ptr = cpu_to_be32(sg_dma_address(areq->dst));
@@ -1078,7 +1079,6 @@ static int ipsec_esp(struct talitos_edesc *edesc, struct aead_request *areq,
return ret;
}
-
/*
* derive number of elements in scatterlist
*/
@@ -1191,8 +1191,6 @@ static int aead_encrypt(struct aead_request *req)
return ipsec_esp(edesc, req, NULL, 0, ipsec_esp_encrypt_done);
}
-
-
static int aead_decrypt(struct aead_request *req)
{
struct crypto_aead *authenc = crypto_aead_reqtfm(req);
@@ -1211,38 +1209,38 @@ static int aead_decrypt(struct aead_request *req)
return PTR_ERR(edesc);
if ((priv->features & TALITOS_FTR_HW_AUTH_CHECK) &&
- (((!edesc->src_nents && !edesc->dst_nents) ||
- priv->features & TALITOS_FTR_SRC_LINK_TBL_LEN_INCLUDES_EXTENT))) {
+ ((!edesc->src_nents && !edesc->dst_nents) ||
+ priv->features & TALITOS_FTR_SRC_LINK_TBL_LEN_INCLUDES_EXTENT)) {
/* decrypt and check the ICV */
- edesc->desc.hdr = ctx->desc_hdr_template | DESC_HDR_DIR_INBOUND |
+ edesc->desc.hdr = ctx->desc_hdr_template |
+ DESC_HDR_DIR_INBOUND |
DESC_HDR_MODE1_MDEU_CICV;
/* reset integrity check result bits */
edesc->desc.hdr_lo = 0;
- return ipsec_esp(edesc, req, NULL, 0, ipsec_esp_decrypt_hwauth_done);
+ return ipsec_esp(edesc, req, NULL, 0,
+ ipsec_esp_decrypt_hwauth_done);
- } else {
-
- /* Have to check the ICV with software */
+ }
- edesc->desc.hdr = ctx->desc_hdr_template | DESC_HDR_DIR_INBOUND;
+ /* Have to check the ICV with software */
+ edesc->desc.hdr = ctx->desc_hdr_template | DESC_HDR_DIR_INBOUND;
- /* stash incoming ICV for later cmp with ICV generated by the h/w */
- if (edesc->dma_len)
- icvdata = &edesc->link_tbl[edesc->src_nents +
- edesc->dst_nents + 2];
- else
- icvdata = &edesc->link_tbl[0];
+ /* stash incoming ICV for later cmp with ICV generated by the h/w */
+ if (edesc->dma_len)
+ icvdata = &edesc->link_tbl[edesc->src_nents +
+ edesc->dst_nents + 2];
+ else
+ icvdata = &edesc->link_tbl[0];
- sg = sg_last(req->src, edesc->src_nents ? : 1);
+ sg = sg_last(req->src, edesc->src_nents ? : 1);
- memcpy(icvdata, (char *)sg_virt(sg) + sg->length - ctx->authsize,
- ctx->authsize);
+ memcpy(icvdata, (char *)sg_virt(sg) + sg->length - ctx->authsize,
+ ctx->authsize);
- return ipsec_esp(edesc, req, NULL, 0, ipsec_esp_decrypt_swauth_done);
- }
+ return ipsec_esp(edesc, req, NULL, 0, ipsec_esp_decrypt_swauth_done);
}
static int aead_givencrypt(struct aead_givcrypt_request *req)
@@ -1368,11 +1366,13 @@ static int common_nonsnoop(struct talitos_edesc *edesc,
if (sg_count > 1) {
desc->ptr[3].j_extent |= DESC_PTR_LNKTBL_JUMP;
desc->ptr[3].ptr = cpu_to_be32(edesc->dma_link_tbl);
- dma_sync_single_for_device(ctx->dev, edesc->dma_link_tbl,
- edesc->dma_len, DMA_BIDIRECTIONAL);
+ dma_sync_single_for_device(dev, edesc->dma_link_tbl,
+ edesc->dma_len,
+ DMA_BIDIRECTIONAL);
} else {
/* Only one segment now, so no link tbl needed */
- desc->ptr[3].ptr = cpu_to_be32(sg_dma_address(areq->src));
+ desc->ptr[3].ptr = cpu_to_be32(sg_dma_address(areq->
+ src));
}
}
@@ -1419,7 +1419,8 @@ static int common_nonsnoop(struct talitos_edesc *edesc,
return ret;
}
-static struct talitos_edesc *ablkcipher_edesc_alloc(struct ablkcipher_request *areq)
+static struct talitos_edesc *ablkcipher_edesc_alloc(struct ablkcipher_request *
+ areq)
{
struct crypto_ablkcipher *cipher = crypto_ablkcipher_reqtfm(areq);
struct talitos_ctx *ctx = crypto_ablkcipher_ctx(cipher);
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-14 13:03:26 +0000