[dpdk-dev] [PATCH v4 1/3] compress/isal: enable checksum support in driver

[Varghese, Vipin]

Hi Lee,

Apologies if the logic is already done for my query

snipped
> +		/* Set private xform checksum */
> +		switch (xform->compress.chksum) {
> +		/* Raw deflate by default */
Does the user have to choose RTE_COMP_CHECKSUM_NONE while creating compress/isal instance?

> +		case(RTE_COMP_CHECKSUM_NONE):
> +			priv_xform->compress.chksum = IGZIP_DEFLATE;
> +			break;
> +		case(RTE_COMP_CHECKSUM_CRC32):
> +			priv_xform->compress.chksum = IGZIP_GZIP_NO_HDR;
> +			break;
> +		case(RTE_COMP_CHECKSUM_ADLER32):
> +			priv_xform->compress.chksum = IGZIP_ZLIB_NO_HDR;
> +			break;
> +		case(RTE_COMP_CHECKSUM_CRC32_ADLER32):
> +			ISAL_PMD_LOG(ERR, "Combined CRC and ADLER
> checksum not"
> +					" supported\n");
> +			return -ENOTSUP;
> +		default:
> +			ISAL_PMD_LOG(ERR, "Checksum type not
> supported\n");
> +			return -ENOTSUP;
Do we not fall back to RTE_COMP_CHECKSUM_NONE if the configuration is wrong and report warning?

snipped