[dpdk-dev] [PATCH] common/cpt: add support for new firmware
Anoob Joseph
anoobj at marvell.com
Fri Aug 30 05:51:06 CEST 2019
Hi Akhil, Pablo,
>From my end, this patch is good to go.
Thanks,
Anoob
> -----Original Message-----
> From: Anoob Joseph <anoobj at marvell.com>
> Sent: Wednesday, August 14, 2019 3:11 PM
> To: Akhil Goyal <akhil.goyal at nxp.com>; Pablo de Lara
> <pablo.de.lara.guarch at intel.com>
> Cc: Ankur Dwivedi <adwivedi at marvell.com>; Jerin Jacob Kollanukkaran
> <jerinj at marvell.com>; Narayana Prasad Raju Athreya
> <pathreya at marvell.com>; dev at dpdk.org; Anoob Joseph
> <anoobj at marvell.com>
> Subject: [PATCH] common/cpt: add support for new firmware
>
> From: Ankur Dwivedi <adwivedi at marvell.com>
>
> With the latest firmware, there are few changes for zuc and snow3g.
>
> 1. The iv_source is present in bitfield 7 of minor opcode. In the old firmware this
> was present in bitfield 6.
>
> 2. Algorithm type is a 2 bit field in new firmware. In the old firmware it was
> named as cipher type and it was a 1 bit field.
>
> Signed-off-by: Ankur Dwivedi <adwivedi at marvell.com>
> Signed-off-by: Anoob Joseph <anoobj at marvell.com>
> ---
> drivers/common/cpt/cpt_mcode_defines.h | 4 ++--
> drivers/common/cpt/cpt_ucode.h | 6 ++++--
> 2 files changed, 6 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/common/cpt/cpt_mcode_defines.h
> b/drivers/common/cpt/cpt_mcode_defines.h
> index c0adbd5..b7c3feb 100644
> --- a/drivers/common/cpt/cpt_mcode_defines.h
> +++ b/drivers/common/cpt/cpt_mcode_defines.h
> @@ -303,8 +303,8 @@ struct cpt_ctx {
> uint64_t hmac :1;
> uint64_t zsk_flags :3;
> uint64_t k_ecb :1;
> - uint64_t snow3g :1;
> - uint64_t rsvd :22;
> + uint64_t snow3g :2;
> + uint64_t rsvd :21;
> /* Below fields are accessed by hardware */
> union {
> mc_fc_context_t fctx;
> diff --git a/drivers/common/cpt/cpt_ucode.h
> b/drivers/common/cpt/cpt_ucode.h index 7d9c31e..0dac12e 100644
> --- a/drivers/common/cpt/cpt_ucode.h
> +++ b/drivers/common/cpt/cpt_ucode.h
> @@ -1467,7 +1467,8 @@ cpt_zuc_snow3g_enc_prep(uint32_t req_flags,
> opcode.s.major = CPT_MAJOR_OP_ZUC_SNOW3G;
>
> /* indicates CPTR ctx, operation type, KEY & IV mode from DPTR */
> - opcode.s.minor = ((1 << 6) | (snow3g << 5) | (0 << 4) |
> +
> + opcode.s.minor = ((1 << 7) | (snow3g << 5) | (0 << 4) |
> (0 << 3) | (flags & 0x7));
>
> if (flags == 0x1) {
> @@ -1791,7 +1792,8 @@ cpt_zuc_snow3g_dec_prep(uint32_t req_flags,
> opcode.s.major = CPT_MAJOR_OP_ZUC_SNOW3G;
>
> /* indicates CPTR ctx, operation type, KEY & IV mode from DPTR */
> - opcode.s.minor = ((1 << 6) | (snow3g << 5) | (0 << 4) |
> +
> + opcode.s.minor = ((1 << 7) | (snow3g << 5) | (0 << 4) |
> (0 << 3) | (flags & 0x7));
>
> /* consider iv len */
> --
> 2.7.4
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