| 722 | } |
| 723 | |
| 724 | static int |
| 725 | process_combined_data(struct nitrox_softreq *sr) |
| 726 | { |
| 727 | int err; |
| 728 | struct nitrox_sglist digest; |
| 729 | struct rte_crypto_op *op = sr->op; |
| 730 | |
| 731 | if (sr->ctx->aead_algo == RTE_CRYPTO_AEAD_AES_GCM) { |
| 732 | err = softreq_copy_salt(sr); |
| 733 | if (unlikely(err)) |
| 734 | return err; |
| 735 | |
| 736 | softreq_copy_iv(sr, AES_GCM_SALT_SIZE); |
| 737 | } else if (sr->ctx->aead_algo == RTE_CRYPTO_AEAD_AES_CCM) { |
| 738 | union { |
| 739 | uint8_t value; |
| 740 | struct { |
| 741 | #if RTE_BYTE_ORDER == RTE_BIG_ENDIAN |
| 742 | uint8_t rsvd: 1; |
| 743 | uint8_t adata: 1; |
| 744 | uint8_t mstar: 3; |
| 745 | uint8_t lstar: 3; |
| 746 | #else |
| 747 | uint8_t lstar: 3; |
| 748 | uint8_t mstar: 3; |
| 749 | uint8_t adata: 1; |
| 750 | uint8_t rsvd: 1; |
| 751 | #endif |
| 752 | }; |
| 753 | } flags; |
| 754 | uint8_t L; |
| 755 | uint8_t *iv_addr; |
| 756 | |
| 757 | flags.value = 0; |
| 758 | flags.rsvd = 0; |
| 759 | flags.adata = (sr->ctx->aad_length > 0) ? 1 : 0; |
| 760 | flags.mstar = (sr->ctx->digest_length - 2) / 2; |
| 761 | L = 15 - sr->ctx->iv.length; |
| 762 | flags.lstar = L - 1; |
| 763 | iv_addr = rte_crypto_op_ctod_offset(sr->op, uint8_t *, |
| 764 | sr->ctx->iv.offset); |
| 765 | /* initialize IV flags */ |
| 766 | iv_addr[0] = flags.value; |
| 767 | /* initialize IV counter to 0 */ |
| 768 | memset(&iv_addr[1] + sr->ctx->iv.length, 0, L); |
| 769 | sr->iv.virt = rte_crypto_op_ctod_offset(sr->op, uint8_t *, |
| 770 | sr->ctx->iv.offset); |
| 771 | sr->iv.iova = rte_crypto_op_ctophys_offset(sr->op, |
| 772 | sr->ctx->iv.offset); |
| 773 | sr->iv.len = 16; |
| 774 | } else { |
| 775 | return -EINVAL; |
| 776 | } |
| 777 | |
| 778 | err = extract_combined_digest(sr, &digest); |
| 779 | if (unlikely(err)) |
| 780 | return err; |
| 781 |
no test coverage detected