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GET /api/patches/52696/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 52696,
    "url": "http://patches.dpdk.org/api/patches/52696/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/patch/20190412105105.24351-13-g.singh@nxp.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": "<20190412105105.24351-13-g.singh@nxp.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/20190412105105.24351-13-g.singh@nxp.com",
    "date": "2019-04-12T11:01:53",
    "name": "[v3,12/13] net/enetc: enable Rx checksum offload validation",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "37ac89af1f64c185b5ee8251a301e0d9a963f313",
    "submitter": {
        "id": 1068,
        "url": "http://patches.dpdk.org/api/people/1068/?format=api",
        "name": "Gagandeep Singh",
        "email": "g.singh@nxp.com"
    },
    "delegate": {
        "id": 319,
        "url": "http://patches.dpdk.org/api/users/319/?format=api",
        "username": "fyigit",
        "first_name": "Ferruh",
        "last_name": "Yigit",
        "email": "ferruh.yigit@intel.com"
    },
    "mbox": "http://patches.dpdk.org/project/dpdk/patch/20190412105105.24351-13-g.singh@nxp.com/mbox/",
    "series": [
        {
            "id": 4280,
            "url": "http://patches.dpdk.org/api/series/4280/?format=api",
            "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=4280",
            "date": "2019-04-12T11:01:11",
            "name": "ENETC PMD basic features and bug fixes",
            "version": 3,
            "mbox": "http://patches.dpdk.org/series/4280/mbox/"
        }
    ],
    "comments": "http://patches.dpdk.org/api/patches/52696/comments/",
    "check": "warning",
    "checks": "http://patches.dpdk.org/api/patches/52696/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "X-BeenThere": "dev@dpdk.org",
        "Return-Path": "<dev-bounces@dpdk.org>",
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        "Subject": "[dpdk-dev] [PATCH v3 12/13] net/enetc: enable Rx checksum offload\n\tvalidation",
        "Message-ID": "<20190412105105.24351-13-g.singh@nxp.com>",
        "Accept-Language": "en-US",
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        "List-Archive": "<http://mails.dpdk.org/archives/dev/>",
        "References": "<1555075598-4988-1-git-send-email-g.singh@nxp.com>\n\t<20190412105105.24351-1-g.singh@nxp.com>",
        "In-Reply-To": "<20190412105105.24351-1-g.singh@nxp.com>",
        "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>",
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        "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>",
        "CC": "Gagandeep Singh <G.Singh@nxp.com>",
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        "List-Help": "<mailto:dev-request@dpdk.org?subject=help>",
        "Sender": "\"dev\" <dev-bounces@dpdk.org>",
        "X-MS-Exchange-CrossTenant-Network-Message-Id": "166a97e7-5e46-4f1a-af6f-08d6bf36454e",
        "Date": "Fri, 12 Apr 2019 11:01:53 +0000",
        "From": "Gagandeep Singh <G.Singh@nxp.com>",
        "x-ms-exchange-messagesentrepresentingtype": "1",
        "X-MS-Exchange-CrossTenant-originalarrivaltime": "12 Apr 2019 11:01:53.6501\n\t(UTC)",
        "X-Mailman-Version": "2.1.15",
        "List-Post": "<mailto:dev@dpdk.org>",
        "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=nxp.com; s=selector1;\n\th=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck;\n\tbh=Y7nQFTq06j4Ivnilqpc+nCc3z+QBHBTiXZpKMRFz/cU=;\n\tb=sI3EnnuzfG8Y23/Dh7iJOdlns/bleg8gRiwX3DIhbAUPTM8QIaIX+I0ywtwivYnw6Sg3NUugOCu+w6tkDWhk3JEnTwSnAT5zskRC0PRn5xGgzaPHRdwDzCOD8uguGCjpDYyIhB8JFF+Ma+BDi+kHzmMRhoKsbmkP44m0ZVvDLng=",
        "x-ms-exchange-senderadcheck": "1",
        "To": "\"dev@dpdk.org\" <dev@dpdk.org>, \"ferruh.yigit@intel.com\"\n\t<ferruh.yigit@intel.com>",
        "Received": [
            "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 7675B1B13B;\n\tFri, 12 Apr 2019 13:02:06 +0200 (CEST)",
            "from EUR03-AM5-obe.outbound.protection.outlook.com\n\t(mail-eopbgr30077.outbound.protection.outlook.com [40.107.3.77])\n\tby dpdk.org (Postfix) with ESMTP id 0CA531B129\n\tfor <dev@dpdk.org>; Fri, 12 Apr 2019 13:01:55 +0200 (CEST)",
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        ],
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        "Errors-To": "dev-bounces@dpdk.org",
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        "x-ms-traffictypediagnostic": "VE1PR04MB6384:",
        "x-originating-ip": "[92.120.1.68]",
        "Delivered-To": "patchwork@dpdk.org",
        "X-Original-To": "patchwork@dpdk.org",
        "x-forefront-prvs": "0005B05917",
        "x-ms-office365-filtering-ht": "Tenant",
        "x-ms-publictraffictype": "Email",
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        "authentication-results": "spf=none (sender IP is )\n\tsmtp.mailfrom=G.Singh@nxp.com; ",
        "Thread-Topic": "[PATCH v3 12/13] net/enetc: enable Rx checksum offload\n\tvalidation",
        "List-Id": "DPDK patches and discussions <dev.dpdk.org>",
        "Content-Language": "en-US",
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    "content": "Checksum Validation on Rx is supported.\n\nSigned-off-by: Gagandeep Singh <g.singh@nxp.com>\n---\n doc/guides/nics/features/enetc.ini |   2 +\n drivers/net/enetc/base/enetc_hw.h  |   5 ++\n drivers/net/enetc/enetc_ethdev.c   |  15 +++++-\n drivers/net/enetc/enetc_rxtx.c     | 107 ++++++++++++++++++++++++++++++++-----\n 4 files changed, 115 insertions(+), 14 deletions(-)",
    "diff": "diff --git a/doc/guides/nics/features/enetc.ini b/doc/guides/nics/features/enetc.ini\r\nindex 101dc0a..39a5201 100644\r\n--- a/doc/guides/nics/features/enetc.ini\r\n+++ b/doc/guides/nics/features/enetc.ini\r\n@@ -13,6 +13,8 @@ MTU update           = Y\r\n Jumbo frame          = Y\r\n Queue start/stop     = Y\r\n CRC offload          = Y\r\n+L3 checksum offload  = P\r\n+L4 checksum offload  = P\r\n Linux VFIO           = Y\r\n ARMv8                = Y\r\n Usage doc            = Y\r\ndiff --git a/drivers/net/enetc/base/enetc_hw.h b/drivers/net/enetc/base/enetc_hw.h\r\nindex 261ad15..ff2bda5 100644\r\n--- a/drivers/net/enetc/base/enetc_hw.h\r\n+++ b/drivers/net/enetc/base/enetc_hw.h\r\n@@ -99,6 +99,10 @@\r\n #define ENETC_PM0_RX_EN\t\t\tBIT(1)\r\n #define ENETC_PM0_CRC\t\t\tBIT(6)\r\n \r\n+#define ENETC_PAR_PORT_CFG\t\t0x03050\r\n+#define L3_CKSUM\t\t\tBIT(0)\r\n+#define L4_CKSUM\t\t\tBIT(1)\r\n+\r\n #define ENETC_PM0_MAXFRM\t\t0x08014\r\n #define ENETC_SET_TX_MTU(val)\t\t((val) << 16)\r\n #define ENETC_SET_MAXFRM(val)\t\t((val) & 0xffff)\r\n@@ -182,6 +186,7 @@\r\n #define ENETC_TXBD_FLAGS_F\t\tBIT(15)\r\n \r\n /* ENETC Parsed values (Little Endian) */\r\n+#define ENETC_PARSE_ERROR\t\t0x8000\r\n #define ENETC_PKT_TYPE_ETHER            0x0060\r\n #define ENETC_PKT_TYPE_IPV4             0x0000\r\n #define ENETC_PKT_TYPE_IPV6             0x0020\r\ndiff --git a/drivers/net/enetc/enetc_ethdev.c b/drivers/net/enetc/enetc_ethdev.c\r\nindex ffae8ae..362e074 100644\r\n--- a/drivers/net/enetc/enetc_ethdev.c\r\n+++ b/drivers/net/enetc/enetc_ethdev.c\r\n@@ -163,7 +163,10 @@\r\n \tdev_info->max_tx_queues = MAX_TX_RINGS;\r\n \tdev_info->max_rx_pktlen = ENETC_MAC_MAXFRM_SIZE;\r\n \tdev_info->rx_offload_capa =\r\n-\t\t(DEV_RX_OFFLOAD_KEEP_CRC |\r\n+\t\t(DEV_RX_OFFLOAD_IPV4_CKSUM |\r\n+\t\t DEV_RX_OFFLOAD_UDP_CKSUM |\r\n+\t\t DEV_RX_OFFLOAD_TCP_CKSUM |\r\n+\t\t DEV_RX_OFFLOAD_KEEP_CRC |\r\n \t\t DEV_RX_OFFLOAD_JUMBO_FRAME);\r\n }\r\n \r\n@@ -636,6 +639,7 @@ int enetc_stats_get(struct rte_eth_dev *dev,\r\n \tstruct enetc_hw *enetc_hw = &hw->hw;\r\n \tstruct rte_eth_conf *eth_conf = &dev->data->dev_conf;\r\n \tuint64_t rx_offloads = eth_conf->rxmode.offloads;\r\n+\tuint32_t checksum = L3_CKSUM | L4_CKSUM;\r\n \r\n \tPMD_INIT_FUNC_TRACE();\r\n \r\n@@ -661,6 +665,15 @@ int enetc_stats_get(struct rte_eth_dev *dev,\r\n \t\tenetc_port_wr(enetc_hw, ENETC_PM0_CMD_CFG, config);\r\n \t}\r\n \r\n+\tif (rx_offloads & DEV_RX_OFFLOAD_IPV4_CKSUM)\r\n+\t\tchecksum &= ~L3_CKSUM;\r\n+\r\n+\tif (rx_offloads & (DEV_RX_OFFLOAD_UDP_CKSUM | DEV_RX_OFFLOAD_TCP_CKSUM))\r\n+\t\tchecksum &= ~L4_CKSUM;\r\n+\r\n+\tenetc_port_wr(enetc_hw, ENETC_PAR_PORT_CFG, checksum);\r\n+\r\n+\r\n \treturn 0;\r\n }\r\n \r\ndiff --git a/drivers/net/enetc/enetc_rxtx.c b/drivers/net/enetc/enetc_rxtx.c\r\nindex 4a758d2..0ce7dbe 100644\r\n--- a/drivers/net/enetc/enetc_rxtx.c\r\n+++ b/drivers/net/enetc/enetc_rxtx.c\r\n@@ -115,69 +115,150 @@\r\n \treturn j;\r\n }\r\n \r\n+static inline void enetc_slow_parsing(struct rte_mbuf *m,\r\n+\t\t\t\t     uint64_t parse_results)\r\n+{\r\n+\tm->ol_flags &= ~(PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_GOOD);\r\n+\r\n+\tswitch (parse_results) {\r\n+\tcase ENETC_PARSE_ERROR | ENETC_PKT_TYPE_IPV4:\r\n+\t\tm->packet_type = RTE_PTYPE_L2_ETHER |\r\n+\t\t\t\t RTE_PTYPE_L3_IPV4;\r\n+\t\tm->ol_flags |= PKT_RX_IP_CKSUM_BAD;\r\n+\t\treturn;\r\n+\tcase ENETC_PARSE_ERROR | ENETC_PKT_TYPE_IPV6:\r\n+\t\tm->packet_type = RTE_PTYPE_L2_ETHER |\r\n+\t\t\t\t RTE_PTYPE_L3_IPV6;\r\n+\t\tm->ol_flags |= PKT_RX_IP_CKSUM_BAD;\r\n+\t\treturn;\r\n+\tcase ENETC_PARSE_ERROR | ENETC_PKT_TYPE_IPV4_TCP:\r\n+\t\tm->packet_type = RTE_PTYPE_L2_ETHER |\r\n+\t\t\t\t RTE_PTYPE_L3_IPV4 |\r\n+\t\t\t\t RTE_PTYPE_L4_TCP;\r\n+\t\tm->ol_flags |= PKT_RX_IP_CKSUM_GOOD |\r\n+\t\t\t       PKT_RX_L4_CKSUM_BAD;\r\n+\t\treturn;\r\n+\tcase ENETC_PARSE_ERROR | ENETC_PKT_TYPE_IPV6_TCP:\r\n+\t\tm->packet_type = RTE_PTYPE_L2_ETHER |\r\n+\t\t\t\t RTE_PTYPE_L3_IPV6 |\r\n+\t\t\t\t RTE_PTYPE_L4_TCP;\r\n+\t\tm->ol_flags |= PKT_RX_IP_CKSUM_GOOD |\r\n+\t\t\t       PKT_RX_L4_CKSUM_BAD;\r\n+\t\treturn;\r\n+\tcase ENETC_PARSE_ERROR | ENETC_PKT_TYPE_IPV4_UDP:\r\n+\t\tm->packet_type = RTE_PTYPE_L2_ETHER |\r\n+\t\t\t\t RTE_PTYPE_L3_IPV4 |\r\n+\t\t\t\t RTE_PTYPE_L4_UDP;\r\n+\t\tm->ol_flags |= PKT_RX_IP_CKSUM_GOOD |\r\n+\t\t\t       PKT_RX_L4_CKSUM_BAD;\r\n+\t\treturn;\r\n+\tcase ENETC_PARSE_ERROR | ENETC_PKT_TYPE_IPV6_UDP:\r\n+\t\tm->packet_type = RTE_PTYPE_L2_ETHER |\r\n+\t\t\t\t RTE_PTYPE_L3_IPV6 |\r\n+\t\t\t\t RTE_PTYPE_L4_UDP;\r\n+\t\tm->ol_flags |= PKT_RX_IP_CKSUM_GOOD |\r\n+\t\t\t       PKT_RX_L4_CKSUM_BAD;\r\n+\t\treturn;\r\n+\tcase ENETC_PARSE_ERROR | ENETC_PKT_TYPE_IPV4_SCTP:\r\n+\t\tm->packet_type = RTE_PTYPE_L2_ETHER |\r\n+\t\t\t\t RTE_PTYPE_L3_IPV4 |\r\n+\t\t\t\t RTE_PTYPE_L4_SCTP;\r\n+\t\tm->ol_flags |= PKT_RX_IP_CKSUM_GOOD |\r\n+\t\t\t       PKT_RX_L4_CKSUM_BAD;\r\n+\t\treturn;\r\n+\tcase ENETC_PARSE_ERROR | ENETC_PKT_TYPE_IPV6_SCTP:\r\n+\t\tm->packet_type = RTE_PTYPE_L2_ETHER |\r\n+\t\t\t\t RTE_PTYPE_L3_IPV6 |\r\n+\t\t\t\t RTE_PTYPE_L4_SCTP;\r\n+\t\tm->ol_flags |= PKT_RX_IP_CKSUM_GOOD |\r\n+\t\t\t       PKT_RX_L4_CKSUM_BAD;\r\n+\t\treturn;\r\n+\tcase ENETC_PARSE_ERROR | ENETC_PKT_TYPE_IPV4_ICMP:\r\n+\t\tm->packet_type = RTE_PTYPE_L2_ETHER |\r\n+\t\t\t\t RTE_PTYPE_L3_IPV4 |\r\n+\t\t\t\t RTE_PTYPE_L4_ICMP;\r\n+\t\tm->ol_flags |= PKT_RX_IP_CKSUM_GOOD |\r\n+\t\t\t       PKT_RX_L4_CKSUM_BAD;\r\n+\t\treturn;\r\n+\tcase ENETC_PARSE_ERROR | ENETC_PKT_TYPE_IPV6_ICMP:\r\n+\t\tm->packet_type = RTE_PTYPE_L2_ETHER |\r\n+\t\t\t\t RTE_PTYPE_L3_IPV6 |\r\n+\t\t\t\t RTE_PTYPE_L4_ICMP;\r\n+\t\tm->ol_flags |= PKT_RX_IP_CKSUM_GOOD |\r\n+\t\t\t       PKT_RX_L4_CKSUM_BAD;\r\n+\t\treturn;\r\n+\t/* More switch cases can be added */\r\n+\tdefault:\r\n+\t\tm->packet_type = RTE_PTYPE_UNKNOWN;\r\n+\t\tm->ol_flags |= PKT_RX_IP_CKSUM_UNKNOWN |\r\n+\t\t\t       PKT_RX_L4_CKSUM_UNKNOWN;\r\n+\t}\r\n+}\r\n+\r\n \r\n static inline void __attribute__((hot))\r\n enetc_dev_rx_parse(struct rte_mbuf *m, uint16_t parse_results)\r\n {\r\n \tENETC_PMD_DP_DEBUG(\"parse summary = 0x%x   \", parse_results);\r\n+\tm->ol_flags |= PKT_RX_IP_CKSUM_GOOD | PKT_RX_L4_CKSUM_GOOD;\r\n \r\n-\tm->packet_type = RTE_PTYPE_UNKNOWN;\r\n \tswitch (parse_results) {\r\n \tcase ENETC_PKT_TYPE_ETHER:\r\n \t\tm->packet_type = RTE_PTYPE_L2_ETHER;\r\n-\t\tbreak;\r\n+\t\treturn;\r\n \tcase ENETC_PKT_TYPE_IPV4:\r\n \t\tm->packet_type = RTE_PTYPE_L2_ETHER |\r\n \t\t\t\t RTE_PTYPE_L3_IPV4;\r\n-\t\tbreak;\r\n+\t\treturn;\r\n \tcase ENETC_PKT_TYPE_IPV6:\r\n \t\tm->packet_type = RTE_PTYPE_L2_ETHER |\r\n \t\t\t\t RTE_PTYPE_L3_IPV6;\r\n-\t\tbreak;\r\n+\t\treturn;\r\n \tcase ENETC_PKT_TYPE_IPV4_TCP:\r\n \t\tm->packet_type = RTE_PTYPE_L2_ETHER |\r\n \t\t\t\t RTE_PTYPE_L3_IPV4 |\r\n \t\t\t\t RTE_PTYPE_L4_TCP;\r\n-\t\tbreak;\r\n+\t\treturn;\r\n \tcase ENETC_PKT_TYPE_IPV6_TCP:\r\n \t\tm->packet_type = RTE_PTYPE_L2_ETHER |\r\n \t\t\t\t RTE_PTYPE_L3_IPV6 |\r\n \t\t\t\t RTE_PTYPE_L4_TCP;\r\n-\t\tbreak;\r\n+\t\treturn;\r\n \tcase ENETC_PKT_TYPE_IPV4_UDP:\r\n \t\tm->packet_type = RTE_PTYPE_L2_ETHER |\r\n \t\t\t\t RTE_PTYPE_L3_IPV4 |\r\n \t\t\t\t RTE_PTYPE_L4_UDP;\r\n-\t\tbreak;\r\n+\t\treturn;\r\n \tcase ENETC_PKT_TYPE_IPV6_UDP:\r\n \t\tm->packet_type = RTE_PTYPE_L2_ETHER |\r\n \t\t\t\t RTE_PTYPE_L3_IPV6 |\r\n \t\t\t\t RTE_PTYPE_L4_UDP;\r\n-\t\tbreak;\r\n+\t\treturn;\r\n \tcase ENETC_PKT_TYPE_IPV4_SCTP:\r\n \t\tm->packet_type = RTE_PTYPE_L2_ETHER |\r\n \t\t\t\t RTE_PTYPE_L3_IPV4 |\r\n \t\t\t\t RTE_PTYPE_L4_SCTP;\r\n-\t\tbreak;\r\n+\t\treturn;\r\n \tcase ENETC_PKT_TYPE_IPV6_SCTP:\r\n \t\tm->packet_type = RTE_PTYPE_L2_ETHER |\r\n \t\t\t\t RTE_PTYPE_L3_IPV6 |\r\n \t\t\t\t RTE_PTYPE_L4_SCTP;\r\n-\t\tbreak;\r\n+\t\treturn;\r\n \tcase ENETC_PKT_TYPE_IPV4_ICMP:\r\n \t\tm->packet_type = RTE_PTYPE_L2_ETHER |\r\n \t\t\t\t RTE_PTYPE_L3_IPV4 |\r\n \t\t\t\t RTE_PTYPE_L4_ICMP;\r\n-\t\tbreak;\r\n+\t\treturn;\r\n \tcase ENETC_PKT_TYPE_IPV6_ICMP:\r\n \t\tm->packet_type = RTE_PTYPE_L2_ETHER |\r\n \t\t\t\t RTE_PTYPE_L3_IPV6 |\r\n \t\t\t\t RTE_PTYPE_L4_ICMP;\r\n-\t\tbreak;\r\n+\t\treturn;\r\n \t/* More switch cases can be added */\r\n \tdefault:\r\n-\t\tm->packet_type = RTE_PTYPE_UNKNOWN;\r\n+\t\tenetc_slow_parsing(m, parse_results);\r\n \t}\r\n+\r\n }\r\n \r\n static int\r\n",
    "prefixes": [
        "v3",
        "12/13"
    ]
}