diff options
| author | Harsh Jain <harsh@chelsio.com> | 2018-03-06 10:37:52 +0530 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2018-03-16 23:35:47 +0800 |
| commit | 5110e65536f35e854f5d520b913505dbdbe22787 (patch) | |
| tree | cea75b421f19e1b8cf1593cd77e782e8b30341a8 /drivers/crypto/chelsio/chcr_crypto.h | |
| parent | 7ffb911882a34a0d1f05ba64d78bf9b61d1e4179 (diff) | |
crypto: chelsio -Split Hash requests for large scatter gather list
Send multiple WRs to H/W when No. of entries received in scatter list
cannot be sent in single request.
Signed-off-by: Harsh Jain <harsh@chelsio.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/chelsio/chcr_crypto.h')
| -rw-r--r-- | drivers/crypto/chelsio/chcr_crypto.h | 32 |
1 files changed, 22 insertions, 10 deletions
diff --git a/drivers/crypto/chelsio/chcr_crypto.h b/drivers/crypto/chelsio/chcr_crypto.h index 7daf0a17a7d2..71025ea9c3db 100644 --- a/drivers/crypto/chelsio/chcr_crypto.h +++ b/drivers/crypto/chelsio/chcr_crypto.h @@ -258,21 +258,32 @@ struct chcr_context { struct __crypto_ctx crypto_ctx[0]; }; -struct chcr_ahash_req_ctx { +struct chcr_hctx_per_wr { + struct scatterlist *srcsg; + struct sk_buff *skb; + dma_addr_t dma_addr; + u32 dma_len; + unsigned int src_ofst; + unsigned int processed; u32 result; - u8 bfr1[CHCR_HASH_MAX_BLOCK_SIZE_128]; - u8 bfr2[CHCR_HASH_MAX_BLOCK_SIZE_128]; + u8 is_sg_map; + u8 imm; + /*Final callback called. Driver cannot rely on nbytes to decide + * final call + */ + u8 isfinal; +}; + +struct chcr_ahash_req_ctx { + struct chcr_hctx_per_wr hctx_wr; u8 *reqbfr; u8 *skbfr; - dma_addr_t dma_addr; - u32 dma_len; + /* SKB which is being sent to the hardware for processing */ + u64 data_len; /* Data len till time */ u8 reqlen; - u8 imm; - u8 is_sg_map; u8 partial_hash[CHCR_HASH_MAX_DIGEST_SIZE]; - u64 data_len; /* Data len till time */ - /* SKB which is being sent to the hardware for processing */ - struct sk_buff *skb; + u8 bfr1[CHCR_HASH_MAX_BLOCK_SIZE_128]; + u8 bfr2[CHCR_HASH_MAX_BLOCK_SIZE_128]; }; struct chcr_blkcipher_req_ctx { @@ -329,4 +340,5 @@ void chcr_add_hash_src_ent(struct ahash_request *req, struct ulptx_sgl *ulptx, struct hash_wr_param *param); int chcr_hash_dma_map(struct device *dev, struct ahash_request *req); void chcr_hash_dma_unmap(struct device *dev, struct ahash_request *req); +static int chcr_ahash_continue(struct ahash_request *req); #endif /* __CHCR_CRYPTO_H__ */ |