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From: Maxime Coquelin <maxime.coquelin@redhat.com>
To: Hernan Vargas <hernan.vargas@intel.com>,
	dev@dpdk.org, gakhil@marvell.com, trix@redhat.com
Cc: nicolas.chautru@intel.com, qi.z.zhang@intel.com
Subject: Re: [PATCH v2 08/37] baseband/acc100: add scatter-gather support
Date: Wed, 14 Sep 2022 22:09:34 +0200	[thread overview]
Message-ID: <e39d950c-9bb2-5ac7-e014-a0ed639642bd@redhat.com> (raw)
In-Reply-To: <20220820023157.189047-9-hernan.vargas@intel.com>



On 8/20/22 04:31, Hernan Vargas wrote:
> Add flag to support scatter-gather for the mbuf
> 
> Signed-off-by: Hernan Vargas <hernan.vargas@intel.com>
> ---
>   drivers/baseband/acc100/rte_acc100_pmd.c | 45 ++++++++++++++++--------
>   1 file changed, 31 insertions(+), 14 deletions(-)
> 
> diff --git a/drivers/baseband/acc100/rte_acc100_pmd.c b/drivers/baseband/acc100/rte_acc100_pmd.c
> index 4849d822d1..a7e0df96e8 100644
> --- a/drivers/baseband/acc100/rte_acc100_pmd.c
> +++ b/drivers/baseband/acc100/rte_acc100_pmd.c
> @@ -1585,6 +1585,8 @@ acc101_fcw_ld_fill(struct rte_bbdev_dec_op *op, struct acc100_fcw_ld *fcw,
>    *   Store information about device capabilities
>    * @param next_triplet
>    *   Index for ACC100 DMA Descriptor triplet
> + * @param scattergather
> + *   Flag to support scatter-gather for the mbuf
>    *
>    * @return
>    *   Returns index of next triplet on success, other value if lengths of
> @@ -1594,12 +1596,17 @@ acc101_fcw_ld_fill(struct rte_bbdev_dec_op *op, struct acc100_fcw_ld *fcw,
>   static inline int
>   acc100_dma_fill_blk_type_in(struct acc100_dma_req_desc *desc,
>   		struct rte_mbuf **input, uint32_t *offset, uint32_t cb_len,
> -		uint32_t *seg_total_left, int next_triplet)
> +		uint32_t *seg_total_left, int next_triplet,
> +		bool scattergather)
>   {
>   	uint32_t part_len;
>   	struct rte_mbuf *m = *input;
>   
> -	part_len = (*seg_total_left < cb_len) ? *seg_total_left : cb_len;
> +	if (scattergather)
> +		part_len = (*seg_total_left < cb_len) ?
> +				*seg_total_left : cb_len;
> +	else
> +		part_len = cb_len;
>   	cb_len -= part_len;
>   	*seg_total_left -= part_len;
>   
> @@ -1735,7 +1742,9 @@ acc100_dma_desc_te_fill(struct rte_bbdev_enc_op *op,
>   	}
>   
>   	next_triplet = acc100_dma_fill_blk_type_in(desc, input, in_offset,
> -			length, seg_total_left, next_triplet);
> +			length, seg_total_left, next_triplet,
> +			check_bit(op->turbo_enc.op_flags,
> +			RTE_BBDEV_TURBO_ENC_SCATTER_GATHER));
>   	if (unlikely(next_triplet < 0)) {
>   		rte_bbdev_log(ERR,
>   				"Mismatch between data to process and mbuf data length in bbdev_op: %p",
> @@ -1812,7 +1821,7 @@ acc100_dma_desc_le_fill(struct rte_bbdev_enc_op *op,
>   	}
>   
>   	next_triplet = acc100_dma_fill_blk_type_in(desc, input, in_offset,
> -			pad_le_in(in_length_in_bytes, q), seg_total_left, next_triplet);
> +			pad_le_in(in_length_in_bytes, q), seg_total_left, next_triplet, false);
>   	if (unlikely(next_triplet < 0)) {
>   		rte_bbdev_log(ERR,
>   				"Mismatch between data to process and mbuf data length in bbdev_op: %p",
> @@ -1900,7 +1909,9 @@ acc100_dma_desc_td_fill(struct rte_bbdev_dec_op *op,
>   	}
>   
>   	next_triplet = acc100_dma_fill_blk_type_in(desc, input, in_offset, kw,
> -			seg_total_left, next_triplet);
> +			seg_total_left, next_triplet,
> +			check_bit(op->turbo_dec.op_flags,
> +			RTE_BBDEV_TURBO_DEC_SCATTER_GATHER));
>   	if (unlikely(next_triplet < 0)) {
>   		rte_bbdev_log(ERR,
>   				"Mismatch between data to process and mbuf data length in bbdev_op: %p",
> @@ -2002,7 +2013,9 @@ acc100_dma_desc_ld_fill(struct rte_bbdev_dec_op *op,
>   
>   	next_triplet = acc100_dma_fill_blk_type_in(desc, input,
>   			in_offset, input_length,
> -			seg_total_left, next_triplet);
> +			seg_total_left, next_triplet,
> +			check_bit(op->ldpc_dec.op_flags,
> +			RTE_BBDEV_LDPC_DEC_SCATTER_GATHER));
>   
>   	if (unlikely(next_triplet < 0)) {
>   		rte_bbdev_log(ERR,
> @@ -3142,8 +3155,9 @@ enqueue_ldpc_dec_one_op_cb(struct acc100_queue *q, struct rte_bbdev_dec_op *op,
>   		fcw = &desc->req.fcw_ld;
>   		q->d->fcw_ld_fill(op, fcw, harq_layout);
>   
> -		/* Special handling when overusing mbuf */
> -		if (fcw->rm_e < ACC100_MAX_E_MBUF)
> +		/* Special handling when using mbuf or not */
> +		if (check_bit(op->ldpc_dec.op_flags,
> +			RTE_BBDEV_LDPC_DEC_SCATTER_GATHER))
>   			seg_total_left = rte_pktmbuf_data_len(input)
>   					- in_offset;
>   		else
> @@ -3219,9 +3233,12 @@ enqueue_ldpc_dec_one_op_tb(struct acc100_queue *q, struct rte_bbdev_dec_op *op,
>   	r = op->ldpc_dec.tb_params.r;
>   
>   	while (mbuf_total_left > 0 && r < c) {
> -
> -		seg_total_left = rte_pktmbuf_data_len(input) - in_offset;
> -
> +		if (check_bit(op->ldpc_dec.op_flags,
> +				RTE_BBDEV_LDPC_DEC_SCATTER_GATHER))
> +			seg_total_left = rte_pktmbuf_data_len(input)
> +					- in_offset;
> +		else
> +			seg_total_left = op->ldpc_dec.input.length;
>   		/* Set up DMA descriptor */
>   		desc = q->ring_addr + ((q->sw_ring_head + total_enqueued_cbs)
>   				& q->sw_ring_wrap_mask);
> @@ -3246,8 +3263,9 @@ enqueue_ldpc_dec_one_op_tb(struct acc100_queue *q, struct rte_bbdev_dec_op *op,
>   				sizeof(desc->req.fcw_td) - 8);
>   		rte_memdump(stderr, "Req Desc.", desc, sizeof(*desc));
>   #endif
> -
> -		if (seg_total_left == 0) {
> +		if (check_bit(op->ldpc_dec.op_flags,
> +				RTE_BBDEV_LDPC_DEC_SCATTER_GATHER)
> +				&& (seg_total_left == 0)) {
>   			/* Go to the next mbuf */
>   			input = input->next;
>   			in_offset = 0;
> @@ -3258,7 +3276,6 @@ enqueue_ldpc_dec_one_op_tb(struct acc100_queue *q, struct rte_bbdev_dec_op *op,
>   		current_enqueued_cbs++;
>   		r++;
>   	}
> -

Keep this new line.

>   #ifdef RTE_LIBRTE_BBDEV_DEBUG
>   	if (check_mbuf_total_left(mbuf_total_left) != 0)
>   		return -EINVAL;

Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>

Thanks,
Maxime


  reply	other threads:[~2022-09-14 20:09 UTC|newest]

Thread overview: 85+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-20  2:31 [PATCH v2 00/37] baseband/acc100: changes for 22.11 Hernan Vargas
2022-08-20  2:31 ` [PATCH v2 01/37] baseband/acc100: add enqueue status Hernan Vargas
2022-09-14 16:26   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 02/37] baseband/acc100: update ring availability calculation Hernan Vargas
2022-09-14 16:43   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 03/37] baseband/acc100: add function to check AQ availability Hernan Vargas
2022-09-14 17:00   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 04/37] baseband/acc100: free SW ring mem for reconfiguration Hernan Vargas
2022-09-14 19:22   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 05/37] baseband/acc100: memory leak fix Hernan Vargas
2022-09-14  8:50   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 06/37] baseband/acc100: add default e value for FCW Hernan Vargas
2022-09-14 19:24   ` Maxime Coquelin
2022-09-15 11:00   ` Thomas Monjalon
2022-09-16  1:12     ` Chautru, Nicolas
2022-09-16  7:11       ` Thomas Monjalon
2022-08-20  2:31 ` [PATCH v2 07/37] baseband/acc100: add LDPC encoder padding function Hernan Vargas
2022-09-14 19:35   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 08/37] baseband/acc100: add scatter-gather support Hernan Vargas
2022-09-14 20:09   ` Maxime Coquelin [this message]
2022-08-20  2:31 ` [PATCH v2 09/37] baseband/acc100: add HARQ index helper function Hernan Vargas
2022-09-14 20:16   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 10/37] baseband/acc100: avoid mux for small inbound frames Hernan Vargas
2022-09-14 20:18   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 11/37] baseband/acc100: separate validation functions from debug Hernan Vargas
2022-09-14 20:35   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 12/37] baseband/acc100: add LDPC transport block support Hernan Vargas
2022-09-14 20:47   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 13/37] baseband/acc10x: limit cases for HARQ pruning Hernan Vargas
2022-09-15  7:37   ` Maxime Coquelin
2022-09-16  0:31     ` Chautru, Nicolas
2022-08-20  2:31 ` [PATCH v2 14/37] baseband/acc100: update validate LDPC enc/dec Hernan Vargas
2022-09-15  7:43   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 15/37] baseband/acc100: add workaround for deRM corner cases Hernan Vargas
2022-09-15  8:15   ` Maxime Coquelin
2022-09-16  1:20     ` Chautru, Nicolas
2022-08-20  2:31 ` [PATCH v2 16/37] baseband/acc100: add ring companion address Hernan Vargas
2022-09-15  9:09   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 17/37] baseband/acc100: configure PMON control registers Hernan Vargas
2022-09-15  9:12   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 18/37] baseband/acc100: implement configurable queue depth Hernan Vargas
2022-09-15  9:52   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 19/37] baseband/acc100: add queue stop operation Hernan Vargas
2022-09-15  9:55   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 20/37] baseband/acc100: check turbo dec/enc input Hernan Vargas
2022-09-15 10:01   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 21/37] baseband/acc100: check for unlikely operation vals Hernan Vargas
2022-09-15 10:02   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 22/37] baseband/acc100: enforce additional check on FCW Hernan Vargas
2022-09-15 10:12   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 23/37] baseband/acc100: update uplink CB input length Hernan Vargas
2022-09-15 10:12   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 24/37] baseband/acc100: rename ldpc encode function arg Hernan Vargas
2022-09-15 10:14   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 25/37] baseband/acc100: update log messages Hernan Vargas
2022-09-15 10:14   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 26/37] baseband/acc100: allocate ring/queue mem when NULL Hernan Vargas
2022-09-15 10:15   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 27/37] baseband/acc100: store FCW from first CB descriptor Hernan Vargas
2022-09-15 10:18   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 28/37] baseband/acc100: make desc optimization optional Hernan Vargas
2022-09-15 10:19   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 29/37] baseband/acc100: update device info Hernan Vargas
2022-09-15 10:20   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 30/37] baseband/acc100: reduce input length for CRC24B Hernan Vargas
2022-09-15 10:21   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 31/37] baseband/acc100: fix clearing PF IR outside handler Hernan Vargas
2022-09-15 10:22   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 32/37] baseband/acc100: fix debug print for LDPC FCW Hernan Vargas
2022-09-15 10:23   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 33/37] baseband/acc100: set device min alignment to 1 Hernan Vargas
2022-09-15 10:24   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 34/37] baseband/acc100: update meson file sdk dependency Hernan Vargas
2022-09-15 10:31   ` Maxime Coquelin
2022-09-15 10:57     ` Thomas Monjalon
2022-09-16  0:39       ` Chautru, Nicolas
2022-08-20  2:31 ` [PATCH v2 35/37] baseband/acc100: add protection for NULL HARQ input Hernan Vargas
2022-09-15 11:33   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 36/37] baseband/acc100: make HARQ layout memory 4GB Hernan Vargas
2022-09-15 11:33   ` Maxime Coquelin
2022-08-20  2:31 ` [PATCH v2 37/37] baseband/acc100: reset pointer after rte_free Hernan Vargas
2022-09-15 11:34   ` Maxime Coquelin
2022-08-23 15:59 ` [EXT] [PATCH v2 00/37] baseband/acc100: changes for 22.11 Akhil Goyal
2022-08-24 18:23   ` Chautru, Nicolas
2022-09-06 20:03 ` Chautru, Nicolas

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