From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id ABD1BA0C45; Fri, 13 Aug 2021 18:51:59 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 5EC8741285; Fri, 13 Aug 2021 18:51:40 +0200 (CEST) Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by mails.dpdk.org (Postfix) with ESMTP id 466BB41279 for ; Fri, 13 Aug 2021 18:51:38 +0200 (CEST) X-IronPort-AV: E=McAfee;i="6200,9189,10075"; a="215320190" X-IronPort-AV: E=Sophos;i="5.84,319,1620716400"; d="scan'208";a="215320190" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Aug 2021 09:51:37 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.84,319,1620716400"; d="scan'208";a="486025110" Received: from unknown (HELO icx-npg-scs1-cp1.localdomain) ([10.233.180.245]) by fmsmga008.fm.intel.com with ESMTP; 13 Aug 2021 09:51:36 -0700 From: Nicolas Chautru To: dev@dpdk.org, gakhil@marvell.com Cc: thomas@monjalon.net, trix@redhat.com, hemant.agrawal@nxp.com, mingshan.zhang@intel.com, Nicolas Chautru Date: Fri, 13 Aug 2021 09:51:23 -0700 Message-Id: <1628873485-30596-5-git-send-email-nicolas.chautru@intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1628873485-30596-1-git-send-email-nicolas.chautru@intel.com> References: <1628873485-30596-1-git-send-email-nicolas.chautru@intel.com> Subject: [dpdk-dev] [PATCH v1 4/6] baseband/acc100: add support for 4G CRC drop X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 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" This implements in PMD the option to drop the CB CRC after 4G decoding to help transport block concatenation. Signed-off-by: Nicolas Chautru --- doc/guides/bbdevs/acc100.rst | 1 + doc/guides/rel_notes/release_21_11.rst | 4 ++++ drivers/baseband/acc100/rte_acc100_pmd.c | 12 +++++++++--- 3 files changed, 14 insertions(+), 3 deletions(-) diff --git a/doc/guides/bbdevs/acc100.rst b/doc/guides/bbdevs/acc100.rst index ff0fa4b..9fff6ab 100644 --- a/doc/guides/bbdevs/acc100.rst +++ b/doc/guides/bbdevs/acc100.rst @@ -58,6 +58,7 @@ ACC100 5G/4G FEC PMD supports the following BBDEV capabilities: - ``RTE_BBDEV_TURBO_NEG_LLR_1_BIT_IN`` : set if negative LLR encoder i/p is supported - ``RTE_BBDEV_TURBO_POS_LLR_1_BIT_IN`` : set if positive LLR encoder i/p is supported - ``RTE_BBDEV_TURBO_DEC_TB_CRC_24B_KEEP`` : keep CRC24B bits appended while decoding + - ``RTE_BBDEV_TURBO_DEC_CRC_24B_DROP`` : option to drop the code block CRC after decoding - ``RTE_BBDEV_TURBO_EARLY_TERMINATION`` : set early termination feature - ``RTE_BBDEV_TURBO_DEC_SCATTER_GATHER`` : supports scatter-gather for input/output data - ``RTE_BBDEV_TURBO_HALF_ITERATION_EVEN`` : set half iteration granularity diff --git a/doc/guides/rel_notes/release_21_11.rst b/doc/guides/rel_notes/release_21_11.rst index 8ca59b7..f7843bc 100644 --- a/doc/guides/rel_notes/release_21_11.rst +++ b/doc/guides/rel_notes/release_21_11.rst @@ -59,6 +59,10 @@ New Features Added support for more comprehensive CRC options. +* **Updated the ACC100 bbdev PMD.** + + Added support for more comprehensive CRC options. + Removed Items ------------- diff --git a/drivers/baseband/acc100/rte_acc100_pmd.c b/drivers/baseband/acc100/rte_acc100_pmd.c index 68ba523..891be81 100644 --- a/drivers/baseband/acc100/rte_acc100_pmd.c +++ b/drivers/baseband/acc100/rte_acc100_pmd.c @@ -980,6 +980,7 @@ RTE_BBDEV_TURBO_NEG_LLR_1_BIT_IN | RTE_BBDEV_TURBO_MAP_DEC | RTE_BBDEV_TURBO_DEC_TB_CRC_24B_KEEP | + RTE_BBDEV_TURBO_DEC_CRC_24B_DROP | RTE_BBDEV_TURBO_DEC_SCATTER_GATHER, .max_llr_modulus = INT8_MAX, .num_buffers_src = @@ -1708,8 +1709,12 @@ } if ((op->turbo_dec.code_block_mode == RTE_BBDEV_TRANSPORT_BLOCK) - && !check_bit(op->turbo_dec.op_flags, - RTE_BBDEV_TURBO_DEC_TB_CRC_24B_KEEP)) + && !check_bit(op->turbo_dec.op_flags, + RTE_BBDEV_TURBO_DEC_TB_CRC_24B_KEEP)) + crc24_overlap = 24; + if ((op->turbo_dec.code_block_mode == RTE_BBDEV_CODE_BLOCK) + && check_bit(op->turbo_dec.op_flags, + RTE_BBDEV_TURBO_DEC_CRC_24B_DROP)) crc24_overlap = 24; /* Calculates circular buffer size. @@ -1744,7 +1749,8 @@ next_triplet = acc100_dma_fill_blk_type_out( desc, h_output, *h_out_offset, - k >> 3, next_triplet, ACC100_DMA_BLKID_OUT_HARD); + (k - crc24_overlap) >> 3, next_triplet, + ACC100_DMA_BLKID_OUT_HARD); if (unlikely(next_triplet < 0)) { rte_bbdev_log(ERR, "Mismatch between data to process and mbuf data length in bbdev_op: %p", -- 1.8.3.1