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From: Dave Burley <dave.burley@accelercomm.com>
To: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH v3 04/14] baseband/turbo_sw: support large size code block
Date: Fri, 13 Mar 2020 16:10:43 +0000
Message-ID: <fefc650c-856d-8e81-4fd4-bcf9feebca9d@accelercomm.com> (raw)
In-Reply-To: <1583348102-13253-5-git-send-email-nicolas.chautru@intel.com>

Acked-by: Dave Burley <dave.burley@accelercomm.com>

On 04/03/2020 18:54, Nicolas Chautru wrote:
> From: Nic Chautru <nicolas.chautru@intel.com>
>
> This is to support cases when the input data for
> decoding a code block is larger than 64kB and would
> not fit as a contiguous block of data into one
> mbuf. In that case the length from the opearation
> supersedes the mbug default structure.
>
> Signed-off-by: Nic Chautru <nicolas.chautru@intel.com>
> ---
>   app/test-bbdev/test_bbdev_perf.c                 | 40 +++++++++++++++++++-----
>   doc/guides/rel_notes/release_20_05.rst           |  6 ++++
>   drivers/baseband/turbo_sw/bbdev_turbo_software.c | 11 ++++---
>   3 files changed, 45 insertions(+), 12 deletions(-)
>
> diff --git a/app/test-bbdev/test_bbdev_perf.c b/app/test-bbdev/test_bbdev_perf.c
> index d8db58e..d46966d 100644
> --- a/app/test-bbdev/test_bbdev_perf.c
> +++ b/app/test-bbdev/test_bbdev_perf.c
> @@ -764,6 +764,7 @@ typedef int (test_case_function)(struct active_device *ad,
>   {
>   	int ret;
>   	unsigned int i, j;
> +	bool large_input = false;
>   
>   	for (i = 0; i < n; ++i) {
>   		char *data;
> @@ -774,24 +775,47 @@ typedef int (test_case_function)(struct active_device *ad,
>   				op_type, n * ref_entries->nb_segments,
>   				mbuf_pool->size);
>   
> -		TEST_ASSERT_SUCCESS(((seg->length + RTE_PKTMBUF_HEADROOM) >
> -				(uint32_t)UINT16_MAX),
> -				"Given data is bigger than allowed mbuf segment size");
> -
> +		if (seg->length > 64000) {
> +			/*
> +			 * Special case when DPDK mbuf cannot handle
> +			 * the required input size
> +			 */
> +			printf("Warning: Larger input size than DPDK mbuf %d\n",
> +					seg->length);
> +			large_input = true;
> +		} else {
> +			TEST_ASSERT_SUCCESS(
> +					((seg->length + RTE_PKTMBUF_HEADROOM)
> +					> (uint32_t)UINT16_MAX),
> +					"Given data is bigger than allowed mbuf segment size"
> +					);
> +		}
>   		bufs[i].data = m_head;
>   		bufs[i].offset = 0;
>   		bufs[i].length = 0;
>   
>   		if ((op_type == DATA_INPUT) || (op_type == DATA_HARQ_INPUT)) {
> -			data = rte_pktmbuf_append(m_head, seg->length);
> -			TEST_ASSERT_NOT_NULL(data,
> +			if ((op_type == DATA_INPUT) && large_input) {
> +				/* Allocate a fake overused mbuf */
> +				data = rte_malloc(NULL, 128 * 1024, 0);
> +				memcpy(data, seg->addr, seg->length);
> +				m_head->buf_addr = data;
> +				m_head->buf_iova = rte_mem_virt2phy(data);
> +				m_head->data_off = 0;
> +				m_head->data_len = seg->length;
> +			} else {
> +				data = rte_pktmbuf_append(m_head, seg->length);
> +				TEST_ASSERT_NOT_NULL(data,
>   					"Couldn't append %u bytes to mbuf from %d data type mbuf pool",
>   					seg->length, op_type);
>   
> -			TEST_ASSERT(data == RTE_PTR_ALIGN(data, min_alignment),
> +				TEST_ASSERT(data == RTE_PTR_ALIGN(
> +						data, min_alignment),
>   					"Data addr in mbuf (%p) is not aligned to device min alignment (%u)",
>   					data, min_alignment);
> -			rte_memcpy(data, seg->addr, seg->length);
> +				rte_memcpy(data, seg->addr, seg->length);
> +			}
> +
>   			bufs[i].length += seg->length;
>   
>   			for (j = 1; j < ref_entries->nb_segments; ++j) {
> diff --git a/doc/guides/rel_notes/release_20_05.rst b/doc/guides/rel_notes/release_20_05.rst
> index 2190eaf..d6c3dfb 100644
> --- a/doc/guides/rel_notes/release_20_05.rst
> +++ b/doc/guides/rel_notes/release_20_05.rst
> @@ -56,6 +56,12 @@ New Features
>        Also, make sure to start the actual text at the margin.
>        =========================================================
>   
> +* **Updated the TURBO_SW bbdev PMD.**
> +
> +  Updated the ``turbo_sw`` bbdev driver with changes including:
> +
> +  * Support for large size code block not fitting in one mbuf segment.
> +  * Exposes the accurate LLR decimal assumption.
>   
>   Removed Items
>   -------------
> diff --git a/drivers/baseband/turbo_sw/bbdev_turbo_software.c b/drivers/baseband/turbo_sw/bbdev_turbo_software.c
> index 5ca8ca1..ea3fecb 100644
> --- a/drivers/baseband/turbo_sw/bbdev_turbo_software.c
> +++ b/drivers/baseband/turbo_sw/bbdev_turbo_software.c
> @@ -1335,7 +1335,7 @@ struct turbo_sw_queue {
>   
>   static inline void
>   process_ldpc_dec_cb(struct turbo_sw_queue *q, struct rte_bbdev_dec_op *op,
> -		uint8_t c, uint16_t out_length, uint16_t e,
> +		uint8_t c, uint16_t out_length, uint32_t e,
>   		struct rte_mbuf *m_in,
>   		struct rte_mbuf *m_out_head, struct rte_mbuf *m_out,
>   		struct rte_mbuf *m_harq_in,
> @@ -1617,8 +1617,8 @@ struct turbo_sw_queue {
>   		struct rte_bbdev_stats *queue_stats)
>   {
>   	uint8_t c, r = 0;
> -	uint16_t e, out_length;
> -	uint16_t crc24_overlap = 0;
> +	uint32_t e;
> +	uint16_t out_length, crc24_overlap = 0;
>   	struct rte_bbdev_op_ldpc_dec *dec = &op->ldpc_dec;
>   	struct rte_mbuf *m_in = dec->input.data;
>   	struct rte_mbuf *m_harq_in = dec->harq_combined_input.data;
> @@ -1661,7 +1661,10 @@ struct turbo_sw_queue {
>   			e = (r < dec->tb_params.cab) ?
>   				dec->tb_params.ea : dec->tb_params.eb;
>   
> -		seg_total_left = rte_pktmbuf_data_len(m_in) - in_offset;
> +		if (e < 64000) /* Special case handling when overusing mbuf */
> +			seg_total_left = rte_pktmbuf_data_len(m_in) - in_offset;
> +		else
> +			seg_total_left = e;
>   
>   		process_ldpc_dec_cb(q, op, c, out_length, e,
>   				m_in, m_out_head, m_out,

  reply index

Thread overview: 115+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-27  4:38 [dpdk-dev] [PATCH v1 00/14] bbdev new features Nicolas Chautru
2020-02-27  4:38 ` [dpdk-dev] [PATCH v1 01/14] bbdev: add capability flag for filler bits inclusion in HARQ Nicolas Chautru
2020-02-27  4:38 ` [dpdk-dev] [PATCH v1 02/14] bbdev: expose device HARQ buffer size at device level Nicolas Chautru
2020-02-27  4:38 ` [dpdk-dev] [PATCH v1 03/14] baseband/turbo_sw: fix the exposed LLR decimals assumption Nicolas Chautru
2020-02-27  4:38 ` [dpdk-dev] [PATCH v1 04/14] baseband/turbo_sw: support large size code block Nicolas Chautru
2020-02-27  4:38 ` [dpdk-dev] [PATCH v1 05/14] test-bbdev: rename FPGA LTE macros to be more explicit Nicolas Chautru
2020-02-27  4:39 ` [dpdk-dev] [PATCH v1 06/14] test-bbdev: support HARQ validation Nicolas Chautru
2020-02-27  4:39 ` [dpdk-dev] [PATCH v1 07/14] test-bbdev: support for performance tests Nicolas Chautru
2020-02-27  4:39 ` [dpdk-dev] [PATCH v1 08/14] test-bbdev: support for LDPC interrupt test Nicolas Chautru
2020-02-27  4:39 ` [dpdk-dev] [PATCH v1 09/14] test-bbdev: support for offload test for LDPC Nicolas Chautru
2020-02-27  4:39 ` [dpdk-dev] [PATCH v1 10/14] test-bbdev: vectors update Nicolas Chautru
2020-02-27  4:39 ` [dpdk-dev] [PATCH v1 11/14] doc: update of testbbdev documentation Nicolas Chautru
2020-02-27  4:39 ` [dpdk-dev] [PATCH v1 12/14] drivers/baseband: add PMD for FPGA 5GNR FEC Nicolas Chautru
2020-02-27  4:39 ` [dpdk-dev] [PATCH v1 13/14] test-bbdev: add support for FPGA driver initialization Nicolas Chautru
2020-02-27  4:39 ` [dpdk-dev] [PATCH v1 14/14] doc: add feature matrix table for bbdev devices Nicolas Chautru
2020-03-04 18:22   ` [dpdk-dev] [PATCH v2 00/15] bbdev new features Nicolas Chautru
2020-03-04 18:22     ` [dpdk-dev] [PATCH v2 01/15] bbdev: add capability flag for filler bits inclusion in HARQ Nicolas Chautru
2020-03-04 18:22     ` [dpdk-dev] [PATCH v2 02/15] bbdev: expose device HARQ buffer size at device level Nicolas Chautru
2020-03-04 18:22     ` [dpdk-dev] [PATCH v2 03/15] baseband/turbo_sw: fix the exposed LLR decimals assumption Nicolas Chautru
2020-03-04 18:22     ` [dpdk-dev] [PATCH v2 04/15] baseband/turbo_sw: support large size code block Nicolas Chautru
2020-03-04 18:22     ` [dpdk-dev] [PATCH v2 05/15] test-bbdev: rename FPGA LTE macros to be more explicit Nicolas Chautru
2020-03-04 18:22     ` [dpdk-dev] [PATCH v2 06/15] test-bbdev: support HARQ validation Nicolas Chautru
2020-03-04 18:22     ` [dpdk-dev] [PATCH v2 07/15] test-bbdev: support for performance tests Nicolas Chautru
2020-03-04 18:22     ` [dpdk-dev] [PATCH v2 08/15] test-bbdev: support for LDPC interrupt test Nicolas Chautru
2020-03-04 18:22     ` [dpdk-dev] [PATCH v2 09/15] test-bbdev: support for offload test for LDPC Nicolas Chautru
2020-03-04 18:22     ` [dpdk-dev] [PATCH v2 10/15] test-bbdev: vectors update Nicolas Chautru
2020-03-04 18:22     ` [dpdk-dev] [PATCH v2 11/15] doc: update of testbbdev documentation Nicolas Chautru
2020-03-04 18:22     ` [dpdk-dev] [PATCH v2 12/15] drivers/baseband: add PMD for FPGA 5GNR FEC Nicolas Chautru
2020-03-04 18:22     ` [dpdk-dev] [PATCH v2 13/15] test-bbdev: add support for FPGA driver initialization Nicolas Chautru
2020-03-04 18:22     ` [dpdk-dev] [PATCH v2 14/15] doc: add feature matrix table for bbdev devices Nicolas Chautru
2020-03-04 18:22     ` [dpdk-dev] [PATCH v2 15/15] doc: add release note for bbdev PMD update Nicolas Chautru
2020-03-04 18:54   ` [dpdk-dev] [PATCH v3 00/14] bbdev new features Nicolas Chautru
2020-03-04 18:54     ` [dpdk-dev] [PATCH v3 01/14] bbdev: add capability flag for filler bits inclusion in HARQ Nicolas Chautru
2020-03-13 10:42       ` Dave Burley
2020-03-25  9:53       ` Akhil Goyal
2020-03-26  2:47         ` Chautru, Nicolas
2020-03-04 18:54     ` [dpdk-dev] [PATCH v3 02/14] bbdev: expose device HARQ buffer size at device level Nicolas Chautru
2020-03-13 10:47       ` Dave Burley
2020-03-04 18:54     ` [dpdk-dev] [PATCH v3 03/14] baseband/turbo_sw: fix the exposed LLR decimals assumption Nicolas Chautru
2020-03-04 18:54     ` [dpdk-dev] [PATCH v3 04/14] baseband/turbo_sw: support large size code block Nicolas Chautru
2020-03-13 16:10       ` Dave Burley [this message]
2020-03-25 10:18       ` Akhil Goyal
2020-03-26  2:50         ` Chautru, Nicolas
2020-03-04 18:54     ` [dpdk-dev] [PATCH v3 05/14] test-bbdev: rename FPGA LTE macros to be more explicit Nicolas Chautru
2020-03-13 10:55       ` Dave Burley
2020-03-04 18:54     ` [dpdk-dev] [PATCH v3 06/14] test-bbdev: support HARQ validation Nicolas Chautru
2020-03-25 13:23       ` Akhil Goyal
2020-03-26  2:53         ` Chautru, Nicolas
2020-03-04 18:54     ` [dpdk-dev] [PATCH v3 07/14] test-bbdev: support for performance tests Nicolas Chautru
2020-03-13 10:58       ` Dave Burley
2020-03-25 13:47       ` Akhil Goyal
2020-03-26  2:56         ` Chautru, Nicolas
2020-03-04 18:54     ` [dpdk-dev] [PATCH v3 08/14] test-bbdev: support for LDPC interrupt test Nicolas Chautru
2020-03-13 10:59       ` Dave Burley
2020-03-04 18:54     ` [dpdk-dev] [PATCH v3 09/14] test-bbdev: support for offload test for LDPC Nicolas Chautru
2020-03-25 13:54       ` Akhil Goyal
2020-03-26  2:57         ` Chautru, Nicolas
2020-03-04 18:54     ` [dpdk-dev] [PATCH v3 10/14] test-bbdev: vectors update Nicolas Chautru
2020-03-13 11:02       ` Dave Burley
2020-03-25 13:58       ` Akhil Goyal
2020-03-26  2:59         ` Chautru, Nicolas
2020-03-04 18:54     ` [dpdk-dev] [PATCH v3 11/14] doc: update of testbbdev documentation Nicolas Chautru
2020-03-13 11:03       ` Dave Burley
2020-03-25 14:48       ` Akhil Goyal
2020-03-26  3:02         ` Chautru, Nicolas
2020-03-04 18:55     ` [dpdk-dev] [PATCH v3 12/14] drivers/baseband: add PMD for FPGA 5GNR FEC Nicolas Chautru
2020-03-13 11:03       ` Dave Burley
2020-03-25 14:59       ` Akhil Goyal
2020-03-26  3:16         ` Chautru, Nicolas
2020-03-26  5:27           ` Akhil Goyal
2020-03-30  0:09             ` Chautru, Nicolas
2020-03-04 18:55     ` [dpdk-dev] [PATCH v3 13/14] test-bbdev: add support for FPGA driver initialization Nicolas Chautru
2020-03-13 11:05       ` Dave Burley
2020-03-04 18:55     ` [dpdk-dev] [PATCH v3 14/14] doc: add feature matrix table for bbdev devices Nicolas Chautru
2020-03-13 11:05       ` Dave Burley
2020-03-12 20:10     ` [dpdk-dev] [PATCH v3 00/14] bbdev new features Chautru, Nicolas
2020-03-13  7:15       ` Akhil Goyal
2020-03-24 23:47         ` Chautru, Nicolas
2020-03-26  2:45   ` [dpdk-dev] [PATCH v4 00/10] " Nicolas Chautru
2020-03-26  2:45     ` [dpdk-dev] [PATCH v4 01/10] bbdev: add capability flag for filler bits inclusion in HARQ Nicolas Chautru
2020-03-26  2:45     ` [dpdk-dev] [PATCH v4 02/10] bbdev: expose device HARQ buffer size at device level Nicolas Chautru
2020-03-26  2:45     ` [dpdk-dev] [PATCH v4 03/10] baseband/turbo_sw: fix the exposed LLR decimals assumption Nicolas Chautru
2020-03-26  2:45     ` [dpdk-dev] [PATCH v4 04/10] baseband/turbo_sw: support large size code block Nicolas Chautru
2020-03-26  2:45     ` [dpdk-dev] [PATCH v4 05/10] test-bbdev: rename FPGA LTE macros to be more explicit Nicolas Chautru
2020-03-26  2:45     ` [dpdk-dev] [PATCH v4 06/10] test-bbdev: support HARQ validation Nicolas Chautru
2020-03-26  2:45     ` [dpdk-dev] [PATCH v4 07/10] test-bbdev: support for performance tests Nicolas Chautru
2020-03-26  2:45     ` [dpdk-dev] [PATCH v4 08/10] test-bbdev: support for LDPC interrupt test Nicolas Chautru
2020-03-26  2:45     ` [dpdk-dev] [PATCH v4 09/10] test-bbdev: support for offload test for LDPC Nicolas Chautru
2020-03-26  2:45     ` [dpdk-dev] [PATCH v4 10/10] test-bbdev: vectors update Nicolas Chautru
2020-03-26  3:27   ` [dpdk-dev] [PATCH v5 00/10] bbdev new features Nicolas Chautru
2020-03-26  3:27     ` [dpdk-dev] [PATCH v5 01/10] bbdev: add capability flag for filler bits inclusion in HARQ Nicolas Chautru
2020-03-27 11:44       ` Dave Burley
2020-03-26  3:27     ` [dpdk-dev] [PATCH v5 02/10] bbdev: expose device HARQ buffer size at device level Nicolas Chautru
2020-03-27 11:45       ` Dave Burley
2020-03-26  3:27     ` [dpdk-dev] [PATCH v5 03/10] baseband/turbo_sw: fix the exposed LLR decimals assumption Nicolas Chautru
2020-03-27 11:45       ` Dave Burley
2020-03-26  3:27     ` [dpdk-dev] [PATCH v5 04/10] baseband/turbo_sw: support large size code block Nicolas Chautru
2020-03-27 11:45       ` Dave Burley
2020-03-26  3:27     ` [dpdk-dev] [PATCH v5 05/10] test-bbdev: rename FPGA LTE macros to be more explicit Nicolas Chautru
2020-03-27 11:45       ` Dave Burley
2020-03-26  3:27     ` [dpdk-dev] [PATCH v5 06/10] test-bbdev: support HARQ validation Nicolas Chautru
2020-03-27 11:47       ` Dave Burley
2020-03-26  3:27     ` [dpdk-dev] [PATCH v5 07/10] test-bbdev: support for performance tests Nicolas Chautru
2020-03-27 11:47       ` Dave Burley
2020-03-26  3:27     ` [dpdk-dev] [PATCH v5 08/10] test-bbdev: support for LDPC interrupt test Nicolas Chautru
2020-03-27 11:47       ` Dave Burley
2020-03-26  3:27     ` [dpdk-dev] [PATCH v5 09/10] test-bbdev: support for offload test for LDPC Nicolas Chautru
2020-03-27 11:47       ` Dave Burley
2020-03-26  3:27     ` [dpdk-dev] [PATCH v5 10/10] test-bbdev: vectors update Nicolas Chautru
2020-03-27 11:47       ` Dave Burley
2020-03-27 11:43     ` [dpdk-dev] [PATCH v5 00/10] bbdev new features Dave Burley
2020-04-05 16:41     ` Akhil Goyal
2020-03-03 18:08 ` [dpdk-dev] [PATCH v1 00/14] " Chautru, Nicolas
2020-03-04  8:23   ` Thomas Monjalon
2020-03-04 18:28     ` Chautru, Nicolas

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