diff options
Diffstat (limited to 'drivers/crypto/cavium/nitrox/nitrox_req.h')
| -rw-r--r-- | drivers/crypto/cavium/nitrox/nitrox_req.h | 46 |
1 files changed, 45 insertions, 1 deletions
diff --git a/drivers/crypto/cavium/nitrox/nitrox_req.h b/drivers/crypto/cavium/nitrox/nitrox_req.h index 76c0f0be7233..efdbd0fc3e3b 100644 --- a/drivers/crypto/cavium/nitrox/nitrox_req.h +++ b/drivers/crypto/cavium/nitrox/nitrox_req.h @@ -212,6 +212,50 @@ struct nitrox_kcrypt_request { }; /** + * struct nitrox_aead_rctx - AEAD request context + * @nkreq: Base request context + * @cryptlen: Encryption/Decryption data length + * @assoclen: AAD length + * @srclen: Input buffer length + * @dstlen: Output buffer length + * @iv: IV data + * @ivsize: IV data length + * @flags: AEAD req flags + * @ctx_handle: Device context handle + * @src: Source sglist + * @dst: Destination sglist + * @ctrl_arg: Identifies the request type (ENCRYPT/DECRYPT) + */ +struct nitrox_aead_rctx { + struct nitrox_kcrypt_request nkreq; + unsigned int cryptlen; + unsigned int assoclen; + unsigned int srclen; + unsigned int dstlen; + u8 *iv; + int ivsize; + u32 flags; + u64 ctx_handle; + struct scatterlist *src; + struct scatterlist *dst; + u8 ctrl_arg; +}; + +/** + * struct nitrox_rfc4106_rctx - rfc4106 cipher request context + * @base: AEAD request context + * @src: Source sglist + * @dst: Destination sglist + * @assoc: AAD + */ +struct nitrox_rfc4106_rctx { + struct nitrox_aead_rctx base; + struct scatterlist src[3]; + struct scatterlist dst[3]; + u8 assoc[20]; +}; + +/** * struct pkt_instr_hdr - Packet Instruction Header * @g: Gather used * When [G] is set and [GSZ] != 0, the instruction is @@ -512,7 +556,7 @@ static inline struct scatterlist *create_multi_sg(struct scatterlist *to_sg, struct scatterlist *sg = to_sg; unsigned int sglen; - for (; buflen; buflen -= sglen) { + for (; buflen && from_sg; buflen -= sglen) { sglen = from_sg->length; if (sglen > buflen) sglen = buflen; |