GCM and CBC mode of operation requires Last Cipher Block.
This patch set lcb bit in WR header when required.
Signed-off-by: Harsh Jain <harsh@xxxxxxxxxxx>
---
drivers/crypto/chelsio/chcr_algo.c | 18 +++++++++++-------
drivers/crypto/chelsio/chcr_algo.h | 4 ++--
2 files changed, 13 insertions(+), 9 deletions(-)
diff --git a/drivers/crypto/chelsio/chcr_algo.c b/drivers/crypto/chelsio/chcr_algo.c
index f00e0d8..e8ff505 100644
--- a/drivers/crypto/chelsio/chcr_algo.c
+++ b/drivers/crypto/chelsio/chcr_algo.c
@@ -518,7 +518,8 @@ static inline void create_wreq(struct chcr_context *ctx,
void *req, struct sk_buff *skb,
int kctx_len, int hash_sz,
int is_iv,
- unsigned int sc_len)
+ unsigned int sc_len,
+ unsigned int lcb)
{
struct uld_ctx *u_ctx = ULD_CTX(ctx);
int iv_loc = IV_DSGL;
@@ -543,7 +544,8 @@ static inline void create_wreq(struct chcr_context *ctx,
chcr_req->wreq.cookie = cpu_to_be64((uintptr_t)req);
chcr_req->wreq.rx_chid_to_rx_q_id =
FILL_WR_RX_Q_ID(ctx->dev->rx_channel_id, qid,
- is_iv ? iv_loc : IV_NOP, ctx->tx_qidx);
+ is_iv ? iv_loc : IV_NOP, !!lcb,
+ ctx->tx_qidx);
chcr_req->ulptx.cmd_dest = FILL_ULPTX_CMD_DEST(ctx->dev->tx_channel_id,
qid);
@@ -652,7 +654,8 @@ static inline void create_wreq(struct chcr_context *ctx,
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, 1,
- sizeof(struct cpl_rx_phys_dsgl) + phys_dsgl);
+ sizeof(struct cpl_rx_phys_dsgl) + phys_dsgl,
+ ablkctx->ciph_mode == CHCR_SCMD_CIPHER_MODE_AES_CBC);
reqctx->skb = skb;
skb_get(skb);
return skb;
@@ -923,7 +926,7 @@ static struct sk_buff *create_hash_wr(struct ahash_request *req,
write_sg_to_skb(skb, &frags, req->src, param->sg_len);
create_wreq(ctx, chcr_req, req, skb, kctx_len, hash_size_in_response, 0,
- DUMMY_BYTES);
+ DUMMY_BYTES, 0);
req_ctx->skb = skb;
skb_get(skb);
return skb;
@@ -1508,7 +1511,7 @@ static struct sk_buff *create_authenc_wr(struct aead_request *req,
write_buffer_to_skb(skb, &frags, req->iv, ivsize);
write_sg_to_skb(skb, &frags, src, req->cryptlen);
create_wreq(ctx, chcr_req, req, skb, kctx_len, size, 1,
- sizeof(struct cpl_rx_phys_dsgl) + dst_size);
+ sizeof(struct cpl_rx_phys_dsgl) + dst_size, 0);
reqctx->skb = skb;
skb_get(skb);
@@ -1804,7 +1807,7 @@ static struct sk_buff *create_aead_ccm_wr(struct aead_request *req,
skb_set_transport_header(skb, transhdr_len);
frags = fill_aead_req_fields(skb, req, src, ivsize, aeadctx);
create_wreq(ctx, chcr_req, req, skb, kctx_len, 0, 1,
- sizeof(struct cpl_rx_phys_dsgl) + dst_size);
+ sizeof(struct cpl_rx_phys_dsgl) + dst_size, 0);
reqctx->skb = skb;
skb_get(skb);
return skb;
@@ -1950,7 +1953,8 @@ static struct sk_buff *create_gcm_wr(struct aead_request *req,
write_buffer_to_skb(skb, &frags, reqctx->iv, ivsize);
write_sg_to_skb(skb, &frags, src, req->cryptlen);
create_wreq(ctx, chcr_req, req, skb, kctx_len, size, 1,
- sizeof(struct cpl_rx_phys_dsgl) + dst_size);
+ sizeof(struct cpl_rx_phys_dsgl) + dst_size,
+ reqctx->verify);
reqctx->skb = skb;
skb_get(skb);
return skb;
diff --git a/drivers/crypto/chelsio/chcr_algo.h b/drivers/crypto/chelsio/chcr_algo.h
index 751d06a..9894c7b 100644
--- a/drivers/crypto/chelsio/chcr_algo.h
+++ b/drivers/crypto/chelsio/chcr_algo.h
@@ -185,11 +185,11 @@
FW_CRYPTO_LOOKASIDE_WR_CCTX_LOC_V(1) | \
FW_CRYPTO_LOOKASIDE_WR_CCTX_SIZE_V((ctx_len)))
-#define FILL_WR_RX_Q_ID(cid, qid, wr_iv, fid) \
+#define FILL_WR_RX_Q_ID(cid, qid, wr_iv, lcb, fid) \
htonl( \
FW_CRYPTO_LOOKASIDE_WR_RX_CHID_V((cid)) | \
FW_CRYPTO_LOOKASIDE_WR_RX_Q_ID_V((qid)) | \
- FW_CRYPTO_LOOKASIDE_WR_LCB_V(0) | \
+ FW_CRYPTO_LOOKASIDE_WR_LCB_V((lcb)) | \
FW_CRYPTO_LOOKASIDE_WR_IV_V((wr_iv)) | \
FW_CRYPTO_LOOKASIDE_WR_FQIDX_V(fid))
--
1.8.3.1
