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{
    "id": 74904,
    "url": "http://patches.dpdk.org/api/patches/74904/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/patch/20200728063439.23114-6-ajit.khaparde@broadcom.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": "<20200728063439.23114-6-ajit.khaparde@broadcom.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/20200728063439.23114-6-ajit.khaparde@broadcom.com",
    "date": "2020-07-28T06:34:22",
    "name": "[v4,05/22] net/bnxt: add TruFlow hash API",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": true,
    "hash": "4411f9f1e6b0a3902ab749b6633da6312f34d1c5",
    "submitter": {
        "id": 501,
        "url": "http://patches.dpdk.org/api/people/501/?format=api",
        "name": "Ajit Khaparde",
        "email": "ajit.khaparde@broadcom.com"
    },
    "delegate": {
        "id": 1766,
        "url": "http://patches.dpdk.org/api/users/1766/?format=api",
        "username": "ajitkhaparde",
        "first_name": "Ajit",
        "last_name": "Khaparde",
        "email": "ajit.khaparde@broadcom.com"
    },
    "mbox": "http://patches.dpdk.org/project/dpdk/patch/20200728063439.23114-6-ajit.khaparde@broadcom.com/mbox/",
    "series": [
        {
            "id": 11349,
            "url": "http://patches.dpdk.org/api/series/11349/?format=api",
            "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=11349",
            "date": "2020-07-28T06:34:17",
            "name": "bnxt patches",
            "version": 4,
            "mbox": "http://patches.dpdk.org/series/11349/mbox/"
        }
    ],
    "comments": "http://patches.dpdk.org/api/patches/74904/comments/",
    "check": "warning",
    "checks": "http://patches.dpdk.org/api/patches/74904/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<dev-bounces@dpdk.org>",
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        "X-Relaying-Domain": "broadcom.com",
        "From": "Ajit Khaparde <ajit.khaparde@broadcom.com>",
        "To": "dev@dpdk.org",
        "Cc": "ferruh.yigit@intel.com, Mike Baucom <michael.baucom@broadcom.com>,\n Farah Smith <farah.smith@broadcom.com>,\n Kishore Padmanabha <kishore.padmanabha@broadcom.com>",
        "Date": "Mon, 27 Jul 2020 23:34:22 -0700",
        "Message-Id": "<20200728063439.23114-6-ajit.khaparde@broadcom.com>",
        "X-Mailer": "git-send-email 2.21.1 (Apple Git-122.3)",
        "In-Reply-To": "<20200728063439.23114-1-ajit.khaparde@broadcom.com>",
        "References": "\n <CACZ4nht+F+XvmJ0_TvYCQTfUEwan3dmCNer9wRuRQsOetFtodQ@mail.gmail.com>\n <20200728063439.23114-1-ajit.khaparde@broadcom.com>",
        "MIME-Version": "1.0",
        "Content-Transfer-Encoding": "8bit",
        "Subject": "[dpdk-dev] [PATCH v4 05/22] net/bnxt: add TruFlow hash API",
        "X-BeenThere": "dev@dpdk.org",
        "X-Mailman-Version": "2.1.15",
        "Precedence": "list",
        "List-Id": "DPDK patches and discussions <dev.dpdk.org>",
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    },
    "content": "From: Mike Baucom <michael.baucom@broadcom.com>\n\nAdded TruFlow hash API for common hash uses across TruFlow\ncore functions.\n\nSigned-off-by: Mike Baucom <michael.baucom@broadcom.com>\nReviewed-by: Farah Smith <farah.smith@broadcom.com>\nReviewed-by: Kishore Padmanabha <kishore.padmanabha@broadcom.com>\n---\n doc/guides/rel_notes/release_20_08.rst |   1 +\n drivers/net/bnxt/meson.build           |   1 +\n drivers/net/bnxt/tf_core/Makefile      |   1 +\n drivers/net/bnxt/tf_core/tf_hash.c     | 106 +++++++++++++++++++++++++\n drivers/net/bnxt/tf_core/tf_hash.h     |  27 +++++++\n 5 files changed, 136 insertions(+)\n create mode 100644 drivers/net/bnxt/tf_core/tf_hash.c\n create mode 100644 drivers/net/bnxt/tf_core/tf_hash.h",
    "diff": "diff --git a/doc/guides/rel_notes/release_20_08.rst b/doc/guides/rel_notes/release_20_08.rst\nindex 89822bcb8..c4fb83a60 100644\n--- a/doc/guides/rel_notes/release_20_08.rst\n+++ b/doc/guides/rel_notes/release_20_08.rst\n@@ -119,6 +119,7 @@ New Features\n   * Added vector mode support for ARM CPUs.\n   * Added support for VLAN push and pop actions.\n   * Added support for NAT action items.\n+  * Added TruFlow hash API for common hash uses across TruFlow core functions.\n \n * **Updated Cisco enic driver.**\n \ndiff --git a/drivers/net/bnxt/meson.build b/drivers/net/bnxt/meson.build\nindex 8529b333c..190469e29 100644\n--- a/drivers/net/bnxt/meson.build\n+++ b/drivers/net/bnxt/meson.build\n@@ -47,6 +47,7 @@ sources = files('bnxt_cpr.c',\n \t'tf_core/tf_global_cfg.c',\n \t'tf_core/tf_em_host.c',\n \t'tf_core/tf_shadow_identifier.c',\n+\t'tf_core/tf_hash.c',\n \n \t'hcapi/hcapi_cfa_p4.c',\n \ndiff --git a/drivers/net/bnxt/tf_core/Makefile b/drivers/net/bnxt/tf_core/Makefile\nindex cca0e2e85..cf6aaec6c 100644\n--- a/drivers/net/bnxt/tf_core/Makefile\n+++ b/drivers/net/bnxt/tf_core/Makefile\n@@ -32,3 +32,4 @@ SRCS-$(CONFIG_RTE_LIBRTE_BNXT_PMD) += tf_core/tf_util.c\n SRCS-$(CONFIG_RTE_LIBRTE_BNXT_PMD) += tf_core/tf_if_tbl.c\n SRCS-$(CONFIG_RTE_LIBRTE_BNXT_PMD) += tf_core/tf_global_cfg.c\n SRCS-$(CONFIG_RTE_LIBRTE_BNXT_PMD) += tf_core/tf_shadow_identifier.c\n+SRCS-$(CONFIG_RTE_LIBRTE_BNXT_PMD) += tf_core/tf_hash.c\ndiff --git a/drivers/net/bnxt/tf_core/tf_hash.c b/drivers/net/bnxt/tf_core/tf_hash.c\nnew file mode 100644\nindex 000000000..68476cbc1\n--- /dev/null\n+++ b/drivers/net/bnxt/tf_core/tf_hash.c\n@@ -0,0 +1,106 @@\n+/* SPDX-License-Identifier: BSD-3-Clause\n+ * Copyright(c) 2019-2020 Broadcom\n+ * All rights reserved.\n+ */\n+\n+#include \"tf_hash.h\"\n+\n+/* CRC polynomial 0xedb88320 */\n+static const uint32_t tf_hash_crc32tbl[] = {\n+\t0x00000000, 0x77073096, 0xee0e612c, 0x990951ba,\n+\t0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3,\n+\t0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,\n+\t0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91,\n+\t0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de,\n+\t0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,\n+\t0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec,\n+\t0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5,\n+\t0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,\n+\t0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b,\n+\t0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940,\n+\t0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,\n+\t0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116,\n+\t0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f,\n+\t0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,\n+\t0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d,\n+\t0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a,\n+\t0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,\n+\t0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818,\n+\t0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01,\n+\t0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,\n+\t0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457,\n+\t0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c,\n+\t0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,\n+\t0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2,\n+\t0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb,\n+\t0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,\n+\t0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9,\n+\t0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086,\n+\t0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,\n+\t0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4,\n+\t0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad,\n+\t0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,\n+\t0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683,\n+\t0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8,\n+\t0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,\n+\t0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe,\n+\t0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7,\n+\t0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,\n+\t0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5,\n+\t0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252,\n+\t0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,\n+\t0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60,\n+\t0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79,\n+\t0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,\n+\t0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f,\n+\t0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04,\n+\t0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,\n+\t0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a,\n+\t0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713,\n+\t0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,\n+\t0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21,\n+\t0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e,\n+\t0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,\n+\t0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c,\n+\t0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45,\n+\t0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,\n+\t0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db,\n+\t0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0,\n+\t0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,\n+\t0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6,\n+\t0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf,\n+\t0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,\n+\t0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d\n+};\n+\n+/**\n+ * Calculate a crc32 on the buffer with an initial value and len\n+ *\n+ * Returns the crc32\n+ */\n+uint32_t\n+tf_hash_calc_crc32i(uint32_t init, uint8_t *buf, uint32_t len)\n+{\n+\tuint32_t crc = init;\n+\n+\twhile (len--)\n+\t\tcrc = tf_hash_crc32tbl[(crc ^ buf[len]) & 0xff] ^\n+\t\t\t(crc >> 8);\n+\n+\treturn crc;\n+}\n+\n+/**\n+ * Calculate a crc32 on the buffer with a default initial value\n+ *\n+ * Returns the crc32\n+ */\n+uint32_t\n+tf_hash_calc_crc32(uint8_t *buf, uint32_t len)\n+{\n+\tuint32_t crc = ~0U;\n+\n+\tcrc = tf_hash_calc_crc32i(crc, buf, len);\n+\n+\treturn ~crc;\n+}\ndiff --git a/drivers/net/bnxt/tf_core/tf_hash.h b/drivers/net/bnxt/tf_core/tf_hash.h\nnew file mode 100644\nindex 000000000..6b60afff1\n--- /dev/null\n+++ b/drivers/net/bnxt/tf_core/tf_hash.h\n@@ -0,0 +1,27 @@\n+/* SPDX-License-Identifier: BSD-3-Clause\n+ * Copyright(c) 2019-2020 Broadcom\n+ * All rights reserved.\n+ */\n+\n+#ifndef _TF_HASH_H_\n+#define _TF_HASH_H_\n+\n+#include \"tf_core.h\"\n+\n+/**\n+ * Calculate a crc32 on the buffer with an initial value and len\n+ *\n+ * Returns the crc32\n+ */\n+uint32_t\n+tf_hash_calc_crc32i(uint32_t init, uint8_t *buf, uint32_t len);\n+\n+/**\n+ * Calculate a crc32 on the buffer with a default initial value\n+ *\n+ * Returns the crc32\n+ */\n+uint32_t\n+tf_hash_calc_crc32(uint8_t *buf, uint32_t len);\n+\n+#endif\n",
    "prefixes": [
        "v4",
        "05/22"
    ]
}