From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id C6E3DA058E; Thu, 26 Mar 2020 03:47:08 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 4DB0D1C08C; Thu, 26 Mar 2020 03:46:31 +0100 (CET) Received: from mga18.intel.com (mga18.intel.com [134.134.136.126]) by dpdk.org (Postfix) with ESMTP id BE5DF1B75C for ; Thu, 26 Mar 2020 03:46:22 +0100 (CET) IronPort-SDR: dhge/pbfMwI7/wwoY1v2mNl3GY7qBKe9p5UI9TeChrjqyCgxA+jRvBKvl1FvmAhyzPHoXzK+cK 96bBGSKaQ6gA== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Mar 2020 19:46:21 -0700 IronPort-SDR: HqXbx45t7t0vLLGIWb1xLpWKgYGN8YZQkVrTYWbzJroZ+LMP9Z3SN3nyK89qIlJtskB6EH9raG oCkxY/g3Jy2w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.72,306,1580803200"; d="scan'208";a="247400823" Received: from skx-5gnr-sc12-4.sc.intel.com ([172.25.69.210]) by orsmga003.jf.intel.com with ESMTP; 25 Mar 2020 19:46:20 -0700 From: Nicolas Chautru To: thomas@monjalon.net, akhil.goyal@nxp.com, dev@dpdk.org Cc: ferruh.yigit@intel.com, Nic Chautru Date: Wed, 25 Mar 2020 19:45:53 -0700 Message-Id: <1585190759-71604-5-git-send-email-nicolas.chautru@intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1585190759-71604-1-git-send-email-nicolas.chautru@intel.com> References: <1582778348-113547-15-git-send-email-nicolas.chautru@intel.com> <1585190759-71604-1-git-send-email-nicolas.chautru@intel.com> Subject: [dpdk-dev] [PATCH v4 04/10] baseband/turbo_sw: support large size code block X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" From: Nic Chautru 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 mbuf default structure. Signed-off-by: Nic Chautru --- app/test-bbdev/test_bbdev_perf.c | 34 ++++++++++++++++++------ doc/guides/rel_notes/release_20_05.rst | 5 ++++ drivers/baseband/turbo_sw/bbdev_turbo_software.c | 13 +++++---- lib/librte_bbdev/rte_bbdev_op.h | 3 ++- 4 files changed, 41 insertions(+), 14 deletions(-) diff --git a/app/test-bbdev/test_bbdev_perf.c b/app/test-bbdev/test_bbdev_perf.c index d8db58e..e998d0b 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 +775,41 @@ 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 > RTE_BBDEV_LDPC_E_MAX_MBUF) { + /* + * 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; + } 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, seg->length, 0); + memcpy(data, seg->addr, seg->length); + m_head->buf_addr = data; + m_head->buf_iova = rte_malloc_virt2iova(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..8dc87fc 100644 --- a/doc/guides/rel_notes/release_20_05.rst +++ b/doc/guides/rel_notes/release_20_05.rst @@ -56,6 +56,11 @@ 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. Removed Items ------------- diff --git a/drivers/baseband/turbo_sw/bbdev_turbo_software.c b/drivers/baseband/turbo_sw/bbdev_turbo_software.c index 5ca8ca1..bb62276 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; @@ -1660,8 +1660,11 @@ struct turbo_sw_queue { if (dec->code_block_mode == 0) 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; + /* Special case handling when overusing mbuf */ + if (e < RTE_BBDEV_LDPC_E_MAX_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, diff --git a/lib/librte_bbdev/rte_bbdev_op.h b/lib/librte_bbdev/rte_bbdev_op.h index 80f3934..9c66721 100644 --- a/lib/librte_bbdev/rte_bbdev_op.h +++ b/lib/librte_bbdev/rte_bbdev_op.h @@ -35,7 +35,8 @@ #define RTE_BBDEV_LDPC_MAX_CB_SIZE (8448) /* Minimum size of Code Block */ #define RTE_BBDEV_LDPC_MIN_CB_SIZE (40) - +/* Maximum E size we can manage with default mbuf */ +#define RTE_BBDEV_LDPC_E_MAX_MBUF (64000) /* Minimum size of Code Block (36.212, Table 5.1.3-3) */ #define RTE_BBDEV_TURBO_MIN_CB_SIZE (40) /* Maximum size of circular buffer */ -- 1.8.3.1