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{
    "id": 66686,
    "url": "http://patches.dpdk.org/api/patches/66686/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/patch/20200316074603.10998-12-leyi.rong@intel.com/",
    "project": {
        "id": 1,
        "url": "http://patches.dpdk.org/api/projects/1/?format=api",
        "name": "DPDK",
        "link_name": "dpdk",
        "list_id": "dev.dpdk.org",
        "list_email": "dev@dpdk.org",
        "web_url": "http://core.dpdk.org",
        "scm_url": "git://dpdk.org/dpdk",
        "webscm_url": "http://git.dpdk.org/dpdk",
        "list_archive_url": "https://inbox.dpdk.org/dev",
        "list_archive_url_format": "https://inbox.dpdk.org/dev/{}",
        "commit_url_format": ""
    },
    "msgid": "<20200316074603.10998-12-leyi.rong@intel.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/20200316074603.10998-12-leyi.rong@intel.com",
    "date": "2020-03-16T07:46:02",
    "name": "[11/12] net/iavf: add RSS hash parsing in AVX path",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "ad1549c3e8a70eea5ff7f8efb0d1e884e402364e",
    "submitter": {
        "id": 1204,
        "url": "http://patches.dpdk.org/api/people/1204/?format=api",
        "name": "Leyi Rong",
        "email": "leyi.rong@intel.com"
    },
    "delegate": {
        "id": 31221,
        "url": "http://patches.dpdk.org/api/users/31221/?format=api",
        "username": "yexl",
        "first_name": "xiaolong",
        "last_name": "ye",
        "email": "xiaolong.ye@intel.com"
    },
    "mbox": "http://patches.dpdk.org/project/dpdk/patch/20200316074603.10998-12-leyi.rong@intel.com/mbox/",
    "series": [
        {
            "id": 8918,
            "url": "http://patches.dpdk.org/api/series/8918/?format=api",
            "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=8918",
            "date": "2020-03-16T07:45:51",
            "name": "framework for advanced iAVF PMD",
            "version": 1,
            "mbox": "http://patches.dpdk.org/series/8918/mbox/"
        }
    ],
    "comments": "http://patches.dpdk.org/api/patches/66686/comments/",
    "check": "fail",
    "checks": "http://patches.dpdk.org/api/patches/66686/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<dev-bounces@dpdk.org>",
        "X-Original-To": "patchwork@inbox.dpdk.org",
        "Delivered-To": "patchwork@inbox.dpdk.org",
        "Received": [
            "from dpdk.org (dpdk.org [92.243.14.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id 1ACA1A0559;\n\tMon, 16 Mar 2020 08:59:31 +0100 (CET)",
            "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 21FF71C112;\n\tMon, 16 Mar 2020 08:57:44 +0100 (CET)",
            "from mga18.intel.com (mga18.intel.com [134.134.136.126])\n by dpdk.org (Postfix) with ESMTP id D44431C0D8\n for <dev@dpdk.org>; Mon, 16 Mar 2020 08:57:40 +0100 (CET)",
            "from orsmga004.jf.intel.com ([10.7.209.38])\n by orsmga106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 16 Mar 2020 00:57:40 -0700",
            "from dpdk-lrong-srv-04.sh.intel.com ([10.67.119.221])\n by orsmga004.jf.intel.com with ESMTP; 16 Mar 2020 00:57:39 -0700"
        ],
        "IronPort-SDR": [
            "\n odNWif2H4qB0x7gMnNboyDp/dT8shFXxaPqPXmjP1FPlXHeiGnpyx49aiOJnMoNBJQMn1Eskde\n /KD586pMVprw==",
            "\n 6dfAYeKJBDm+8bADKfunHOykZkXdVxDWpOjFonYU3ULiDIPidh6dkfXLi6BnotCaPvSA0eI8vo\n 75lbTxibgZ0w=="
        ],
        "X-Amp-Result": "SKIPPED(no attachment in message)",
        "X-Amp-File-Uploaded": "False",
        "X-ExtLoop1": "1",
        "X-IronPort-AV": "E=Sophos;i=\"5.70,559,1574150400\"; d=\"scan'208\";a=\"390622553\"",
        "From": "Leyi Rong <leyi.rong@intel.com>",
        "To": "qi.z.zhang@intel.com,\n\txiaolong.ye@intel.com",
        "Cc": "dev@dpdk.org,\n\tLeyi Rong <leyi.rong@intel.com>",
        "Date": "Mon, 16 Mar 2020 15:46:02 +0800",
        "Message-Id": "<20200316074603.10998-12-leyi.rong@intel.com>",
        "X-Mailer": "git-send-email 2.17.1",
        "In-Reply-To": "<20200316074603.10998-1-leyi.rong@intel.com>",
        "References": "<20200316074603.10998-1-leyi.rong@intel.com>",
        "Subject": "[dpdk-dev] [PATCH 11/12] net/iavf: add RSS hash parsing in AVX path",
        "X-BeenThere": "dev@dpdk.org",
        "X-Mailman-Version": "2.1.15",
        "Precedence": "list",
        "List-Id": "DPDK patches and discussions <dev.dpdk.org>",
        "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n <mailto:dev-request@dpdk.org?subject=unsubscribe>",
        "List-Archive": "<http://mails.dpdk.org/archives/dev/>",
        "List-Post": "<mailto:dev@dpdk.org>",
        "List-Help": "<mailto:dev-request@dpdk.org?subject=help>",
        "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n <mailto:dev-request@dpdk.org?subject=subscribe>",
        "Errors-To": "dev-bounces@dpdk.org",
        "Sender": "\"dev\" <dev-bounces@dpdk.org>"
    },
    "content": "Support RSS hash parsing from Flex Rx\ndescriptor in AVX data path.\n\nSigned-off-by: Leyi Rong <leyi.rong@intel.com>\n---\n drivers/net/iavf/iavf_rxtx_vec_avx2.c | 92 ++++++++++++++++++++++++++-\n 1 file changed, 90 insertions(+), 2 deletions(-)",
    "diff": "diff --git a/drivers/net/iavf/iavf_rxtx_vec_avx2.c b/drivers/net/iavf/iavf_rxtx_vec_avx2.c\nindex 9bbf75632..efecdd714 100644\n--- a/drivers/net/iavf/iavf_rxtx_vec_avx2.c\n+++ b/drivers/net/iavf/iavf_rxtx_vec_avx2.c\n@@ -632,7 +632,7 @@ _iavf_recv_raw_pkts_vec_avx2_flex_rxd(struct iavf_rx_queue *rxq,\n \t\t_mm256_set_epi8\n \t\t\t(/* first descriptor */\n \t\t\t 0xFF, 0xFF,\n-\t\t\t 0xFF, 0xFF,    /* rss not supported */\n+\t\t\t 0xFF, 0xFF,    /* rss hash parsed separately */\n \t\t\t 11, 10,\t/* octet 10~11, 16 bits vlan_macip */\n \t\t\t 5, 4,\t\t/* octet 4~5, 16 bits data_len */\n \t\t\t 0xFF, 0xFF,\t/* skip hi 16 bits pkt_len, zero out */\n@@ -641,7 +641,7 @@ _iavf_recv_raw_pkts_vec_avx2_flex_rxd(struct iavf_rx_queue *rxq,\n \t\t\t 0xFF, 0xFF,\t/*pkt_type set as unknown */\n \t\t\t /* second descriptor */\n \t\t\t 0xFF, 0xFF,\n-\t\t\t 0xFF, 0xFF,    /* rss not supported */\n+\t\t\t 0xFF, 0xFF,    /* rss hash parsed separately */\n \t\t\t 11, 10,\t/* octet 10~11, 16 bits vlan_macip */\n \t\t\t 5, 4,\t\t/* octet 4~5, 16 bits data_len */\n \t\t\t 0xFF, 0xFF,\t/* skip hi 16 bits pkt_len, zero out */\n@@ -938,6 +938,94 @@ _iavf_recv_raw_pkts_vec_avx2_flex_rxd(struct iavf_rx_queue *rxq,\n \t\t\t\trx_pkts[i + 7]->hash.fdir.hi = fdir_id_extr;\n \t\t} /* if() on fdir_enabled */\n \n+\t\t/**\n+\t\t * needs to load 2nd 16B of each desc for RSS hash parsing,\n+\t\t * will cause performance drop to get into this context.\n+\t\t */\n+\t\tif (rxq->vsi->adapter->eth_dev->data->dev_conf.rxmode.offloads &\n+\t\t\t\tDEV_RX_OFFLOAD_RSS_HASH) {\n+\t\t\t/* load bottom half of every 32B desc */\n+\t\t\tconst __m128i raw_desc_bh7 =\n+\t\t\t\t_mm_load_si128\n+\t\t\t\t\t((void *)(&rxdp[7].wb.status_error1));\n+\t\t\trte_compiler_barrier();\n+\t\t\tconst __m128i raw_desc_bh6 =\n+\t\t\t\t_mm_load_si128\n+\t\t\t\t\t((void *)(&rxdp[6].wb.status_error1));\n+\t\t\trte_compiler_barrier();\n+\t\t\tconst __m128i raw_desc_bh5 =\n+\t\t\t\t_mm_load_si128\n+\t\t\t\t\t((void *)(&rxdp[5].wb.status_error1));\n+\t\t\trte_compiler_barrier();\n+\t\t\tconst __m128i raw_desc_bh4 =\n+\t\t\t\t_mm_load_si128\n+\t\t\t\t\t((void *)(&rxdp[4].wb.status_error1));\n+\t\t\trte_compiler_barrier();\n+\t\t\tconst __m128i raw_desc_bh3 =\n+\t\t\t\t_mm_load_si128\n+\t\t\t\t\t((void *)(&rxdp[3].wb.status_error1));\n+\t\t\trte_compiler_barrier();\n+\t\t\tconst __m128i raw_desc_bh2 =\n+\t\t\t\t_mm_load_si128\n+\t\t\t\t\t((void *)(&rxdp[2].wb.status_error1));\n+\t\t\trte_compiler_barrier();\n+\t\t\tconst __m128i raw_desc_bh1 =\n+\t\t\t\t_mm_load_si128\n+\t\t\t\t\t((void *)(&rxdp[1].wb.status_error1));\n+\t\t\trte_compiler_barrier();\n+\t\t\tconst __m128i raw_desc_bh0 =\n+\t\t\t\t_mm_load_si128\n+\t\t\t\t\t((void *)(&rxdp[0].wb.status_error1));\n+\n+\t\t\t__m256i raw_desc_bh6_7 =\n+\t\t\t\t_mm256_inserti128_si256\n+\t\t\t\t\t(_mm256_castsi128_si256(raw_desc_bh6),\n+\t\t\t\t\traw_desc_bh7, 1);\n+\t\t\t__m256i raw_desc_bh4_5 =\n+\t\t\t\t_mm256_inserti128_si256\n+\t\t\t\t\t(_mm256_castsi128_si256(raw_desc_bh4),\n+\t\t\t\t\traw_desc_bh5, 1);\n+\t\t\t__m256i raw_desc_bh2_3 =\n+\t\t\t\t_mm256_inserti128_si256\n+\t\t\t\t\t(_mm256_castsi128_si256(raw_desc_bh2),\n+\t\t\t\t\traw_desc_bh3, 1);\n+\t\t\t__m256i raw_desc_bh0_1 =\n+\t\t\t\t_mm256_inserti128_si256\n+\t\t\t\t\t(_mm256_castsi128_si256(raw_desc_bh0),\n+\t\t\t\t\traw_desc_bh1, 1);\n+\n+\t\t\t/**\n+\t\t\t * to shift the 32b RSS hash value to the\n+\t\t\t * highest 32b of each 128b before mask\n+\t\t\t */\n+\t\t\t__m256i rss_hash6_7 =\n+\t\t\t\t_mm256_slli_epi64(raw_desc_bh6_7, 32);\n+\t\t\t__m256i rss_hash4_5 =\n+\t\t\t\t_mm256_slli_epi64(raw_desc_bh4_5, 32);\n+\t\t\t__m256i rss_hash2_3 =\n+\t\t\t\t_mm256_slli_epi64(raw_desc_bh2_3, 32);\n+\t\t\t__m256i rss_hash0_1 =\n+\t\t\t\t_mm256_slli_epi64(raw_desc_bh0_1, 32);\n+\n+\t\t\t__m256i rss_hash_msk =\n+\t\t\t\t_mm256_set_epi32(0xFFFFFFFF, 0, 0, 0,\n+\t\t\t\t\t\t 0xFFFFFFFF, 0, 0, 0);\n+\n+\t\t\trss_hash6_7 = _mm256_and_si256\n+\t\t\t\t\t(rss_hash6_7, rss_hash_msk);\n+\t\t\trss_hash4_5 = _mm256_and_si256\n+\t\t\t\t\t(rss_hash4_5, rss_hash_msk);\n+\t\t\trss_hash2_3 = _mm256_and_si256\n+\t\t\t\t\t(rss_hash2_3, rss_hash_msk);\n+\t\t\trss_hash0_1 = _mm256_and_si256\n+\t\t\t\t\t(rss_hash0_1, rss_hash_msk);\n+\n+\t\t\tmb6_7 = _mm256_or_si256(mb6_7, rss_hash6_7);\n+\t\t\tmb4_5 = _mm256_or_si256(mb4_5, rss_hash4_5);\n+\t\t\tmb2_3 = _mm256_or_si256(mb2_3, rss_hash2_3);\n+\t\t\tmb0_1 = _mm256_or_si256(mb0_1, rss_hash0_1);\n+\t\t} /* if() on RSS hash parsing */\n+\n \t\t/**\n \t\t * At this point, we have the 8 sets of flags in the low 16-bits\n \t\t * of each 32-bit value in vlan0.\n",
    "prefixes": [
        "11/12"
    ]
}