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GET /api/patches/44693/?format=api
{ "id": 44693, "url": "https://patches.dpdk.org/api/patches/44693/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/patch/20180913134707.23698-4-jerin.jacob@caviumnetworks.com/", "project": { "id": 1, "url": "https://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": "<20180913134707.23698-4-jerin.jacob@caviumnetworks.com>", "list_archive_url": "https://inbox.dpdk.org/dev/20180913134707.23698-4-jerin.jacob@caviumnetworks.com", "date": "2018-09-13T13:47:07", "name": "[4/4] ethdev: add Tx offload outer L4 checksum definitions", "commit_ref": null, "pull_url": null, "state": "not-applicable", "archived": true, "hash": "872979ed877d974400e2095f71a6e2554043e668", "submitter": { "id": 305, "url": "https://patches.dpdk.org/api/people/305/?format=api", "name": "Jerin Jacob", "email": "jerin.jacob@caviumnetworks.com" }, "delegate": { "id": 319, "url": "https://patches.dpdk.org/api/users/319/?format=api", "username": "fyigit", "first_name": "Ferruh", "last_name": "Yigit", "email": "ferruh.yigit@amd.com" }, "mbox": "https://patches.dpdk.org/project/dpdk/patch/20180913134707.23698-4-jerin.jacob@caviumnetworks.com/mbox/", "series": [ { "id": 1311, "url": "https://patches.dpdk.org/api/series/1311/?format=api", "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=1311", "date": "2018-09-13T13:47:04", "name": "[1/4] ethdev: add SCTP Rx checksum offload support", "version": 1, "mbox": "https://patches.dpdk.org/series/1311/mbox/" } ], "comments": "https://patches.dpdk.org/api/patches/44693/comments/", "check": "success", "checks": "https://patches.dpdk.org/api/patches/44693/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<dev-bounces@dpdk.org>", "X-Original-To": "patchwork@dpdk.org", "Delivered-To": "patchwork@dpdk.org", "Received": [ "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id 7E2481B05D;\n\tThu, 13 Sep 2018 15:48:32 +0200 (CEST)", "from NAM04-CO1-obe.outbound.protection.outlook.com\n\t(mail-eopbgr690045.outbound.protection.outlook.com [40.107.69.45])\n\tby dpdk.org (Postfix) with ESMTP id 9C6171B027\n\tfor <dev@dpdk.org>; Thu, 13 Sep 2018 15:48:30 +0200 (CEST)", "from jerin.8.8.4.4 (122.178.212.30) by\n\tBL0PR07MB4994.namprd07.prod.outlook.com (2603:10b6:208:49::23) with\n\tMicrosoft SMTP Server (version=TLS1_2,\n\tcipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id\n\t15.20.1122.15; Thu, 13 Sep 2018 13:48:24 +0000" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=CAVIUMNETWORKS.onmicrosoft.com; s=selector1-cavium-com;\n\th=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck;\n\tbh=qouX5Q2NsCabJ7iTvVrpE4zGZ1xizpHCRzdOY3/ngF8=;\n\tb=fYGAa084wYRI2rtRyeW8k/CHaAqn6TWKWuOvK1HjPaJJIxn4jDGoq/sNpBM06p9KaHSqV+nhEZbX1D0e4E4Cy3qa3Ks9eJ9C33ENUoBb3cI/1zNUgQdXdlxplDxQSsm5YlHvIJ30Wtc1wwDSBYbYGrLx8qsn43GKgCYX8GsPlzQ=", "Authentication-Results": "spf=none (sender IP is )\n\tsmtp.mailfrom=Jerin.JacobKollanukkaran@cavium.com; ", "From": "Jerin Jacob <jerin.jacob@caviumnetworks.com>", "To": "Wenzhuo Lu <wenzhuo.lu@intel.com>, Jingjing Wu <jingjing.wu@intel.com>, \n\tBernard Iremonger <bernard.iremonger@intel.com>,\n\tJohn McNamara <john.mcnamara@intel.com>,\n\tMarko Kovacevic <marko.kovacevic@intel.com>,\n\tThomas Monjalon <thomas@monjalon.net>,\n\tFerruh Yigit <ferruh.yigit@intel.com>,\n\tAndrew Rybchenko <arybchenko@solarflare.com>,\n\tOlivier Matz <olivier.matz@6wind.com>", "Cc": "dev@dpdk.org,\n\tJerin Jacob <jerin.jacob@caviumnetworks.com>", "Date": "Thu, 13 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"+Ue7DGPbl2pFVVwkt5ll/grjLx+aZj9487X8UEpOD5LK0jM11SgkA6VCF2M5Uuhj5D9JxemDVoWPMvMXKRg6bc01OJuuadGeumrnUaKHad27mYXPEQztvljrVn0vHwpr8TY8ze64uLhOJoSco78k0bTvIpadAt7LHw0TL//osoOgYcuglV+rD0UbRc/zub+NRJmwfSC0eqjEELbe6QJwwAn0AoQJGNqvWNhqXr4hF36/g6foa0TKiqp98ukXQvSzGkiCVlhyCIDkJUlYszx1e7oc/UnQt6lRSQjXvU1nw8Qq1TvNIR18wg3mk++mvDq/pYrkgWbUw04BSwgJPXBvsO/QrORULpTAe8yC8WvlCPk=", "SpamDiagnosticOutput": "1:99", "SpamDiagnosticMetadata": "NSPM", "X-OriginatorOrg": "caviumnetworks.com", "X-MS-Exchange-CrossTenant-OriginalArrivalTime": "13 Sep 2018 13:48:24.8514\n\t(UTC)", "X-MS-Exchange-CrossTenant-Network-Message-Id": "2f708091-61fb-4acc-669b-08d6197f9606", "X-MS-Exchange-CrossTenant-FromEntityHeader": "Hosted", "X-MS-Exchange-CrossTenant-Id": "711e4ccf-2e9b-4bcf-a551-4094005b6194", "X-MS-Exchange-Transport-CrossTenantHeadersStamped": "BL0PR07MB4994", "Subject": "[dpdk-dev] [PATCH 4/4] ethdev: add Tx offload outer L4 checksum\n\tdefinitions", "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\t<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\t<mailto:dev-request@dpdk.org?subject=subscribe>", "Errors-To": "dev-bounces@dpdk.org", "Sender": "\"dev\" <dev-bounces@dpdk.org>" }, "content": "Introduced DEV_TX_OFFLOAD_OUTER_UDP_CKSUM, DEV_TX_OFFLOAD_OUTER_TCP_CKSUM\nand DEV_TX_OFFLOAD_OUTER_SCTP_CKSUM offload flags and\n\nPKT_TX_OUTER_L4_NO_CKSUM, PKT_TX_OUTER_TCP_CKSUM, PKT_TX_OUTER_SCTP_CKSUM\nand PKT_TX_OUTER_UDP_CKSUM mbuf ol_flags to enable Tx outer L4 checksum\noffload.\n\nTo use hardware Tx outer L4 checksum offload, the user needs to.\n# enable following in mbuff:\n- fill outer_l2_len and outer_l3_len in mbuf\n- set the flags PKT_TX_OUTER_TCP_CKSUM, PKT_TX_OUTER_SCTP_CKSUM or\nPKT_TX_OUTER_UDP_CKSUM\n- set the flag PKT_TX_OUTER_IPV4 or PKT_TX_OUTER_IPV6\n\n# configure DEV_TX_OFFLOAD_OUTER_* offload flags in slow path.\n\nSigned-off-by: Jerin Jacob <jerin.jacob@caviumnetworks.com>\n---\n app/test-pmd/config.c | 27 +++++++++++++++++++++++++++\n doc/guides/nics/features.rst | 6 ++++++\n lib/librte_ethdev/rte_ethdev.c | 3 +++\n lib/librte_ethdev/rte_ethdev.h | 6 ++++++\n lib/librte_mbuf/rte_mbuf.c | 5 +++++\n lib/librte_mbuf/rte_mbuf.h | 23 ++++++++++++++++++++++-\n 6 files changed, 69 insertions(+), 1 deletion(-)", "diff": "diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c\nindex 92a177e29..85f832bf0 100644\n--- a/app/test-pmd/config.c\n+++ b/app/test-pmd/config.c\n@@ -773,6 +773,33 @@ port_offload_cap_display(portid_t port_id)\n \t\telse\n \t\t\tprintf(\"off\\n\");\n \t}\n+\n+\tif (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_OUTER_UDP_CKSUM) {\n+\t\tprintf(\"TX Outer UDP checksum: \");\n+\t\tif (ports[port_id].dev_conf.txmode.offloads &\n+\t\t DEV_TX_OFFLOAD_OUTER_UDP_CKSUM)\n+\t\t\tprintf(\"on\\n\");\n+\t\telse\n+\t\t\tprintf(\"off\\n\");\n+\t}\n+\n+\tif (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_OUTER_TCP_CKSUM) {\n+\t\tprintf(\"TX Outer TCP checksum: \");\n+\t\tif (ports[port_id].dev_conf.txmode.offloads &\n+\t\t DEV_TX_OFFLOAD_OUTER_TCP_CKSUM)\n+\t\t\tprintf(\"on\\n\");\n+\t\telse\n+\t\t\tprintf(\"off\\n\");\n+\t}\n+\n+\tif (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_OUTER_SCTP_CKSUM) {\n+\t\tprintf(\"TX Outer SCTP checksum: \");\n+\t\tif (ports[port_id].dev_conf.txmode.offloads &\n+\t\t DEV_TX_OFFLOAD_OUTER_SCTP_CKSUM)\n+\t\t\tprintf(\"on\\n\");\n+\t\telse\n+\t\t\tprintf(\"off\\n\");\n+\t}\n }\n \n int\ndiff --git a/doc/guides/nics/features.rst b/doc/guides/nics/features.rst\nindex 68420d196..884dbd7a5 100644\n--- a/doc/guides/nics/features.rst\n+++ b/doc/guides/nics/features.rst\n@@ -639,8 +639,14 @@ Inner L4 checksum\n Supports inner packet L4 checksum.\n \n * **[uses] rte_eth_rxconf,rte_eth_rxmode**: ``offloads:DEV_RX_OFFLOAD_OUTER_UDP_CKSUM,DEV_RX_OFFLOAD_OUTER_TCP_CKSUM,DEV_RX_OFFLOAD_OUTER_SCTP_CKSUM``.\n+* **[uses] rte_eth_txconf,rte_eth_txmode**: ``offloads:DEV_TX_OFFLOAD_OUTER_UDP_CKSUM,DEV_TX_OFFLOAD_OUTER_TCP_CKSUM,DEV_TX_OFFLOAD_OUTER_SCTP_CKSUM``.\n+* **[uses] mbuf**: ``mbuf.ol_flags:PKT_TX_OUTER_IPV4`` | ``PKT_TX_OUTER_IPV6``.\n+ ``mbuf.ol_flags:PKT_TX_OUTER_L4_NO_CKSUM`` | ``PKT_TX_OUTER_TCP_CKSUM`` |\n+ ``PKT_TX_OUTER_SCTP_CKSUM`` | ``PKT_TX_OUTER_UDP_CKSUM``.\n+* **[uses] mbuf**: ``mbuf.outer_l2_len``, ``mbuf.outer_l3_len``.\n * **[provides] mbuf**: ``mbuf.ol_flags:PKT_RX_EL4_CKSUM_BAD``.\n * **[provides] rte_eth_dev_info**: ``rx_offload_capa,rx_queue_offload_capa:DEV_RX_OFFLOAD_OUTER_UDP_CKSUM,DEV_RX_OFFLOAD_OUTER_TCP_CKSUM,DEV_RX_OFFLOAD_OUTER_SCTP_CKSUM``,\n+ ``tx_offload_capa,tx_queue_offload_capa:DEV_TX_OFFLOAD_OUTER_UDP_CKSUM,DEV_TX_OFFLOAD_OUTER_TCP_CKSUM,DEV_TX_OFFLOAD_OUTER_SCTP_CKSUM``.\n \n .. _nic_features_packet_type_parsing:\n \ndiff --git a/lib/librte_ethdev/rte_ethdev.c b/lib/librte_ethdev/rte_ethdev.c\nindex 547132a8c..6cc5ad055 100644\n--- a/lib/librte_ethdev/rte_ethdev.c\n+++ b/lib/librte_ethdev/rte_ethdev.c\n@@ -160,6 +160,9 @@ static const struct {\n \tRTE_TX_OFFLOAD_BIT2STR(MULTI_SEGS),\n \tRTE_TX_OFFLOAD_BIT2STR(MBUF_FAST_FREE),\n \tRTE_TX_OFFLOAD_BIT2STR(SECURITY),\n+\tRTE_TX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM),\n+\tRTE_TX_OFFLOAD_BIT2STR(OUTER_TCP_CKSUM),\n+\tRTE_TX_OFFLOAD_BIT2STR(OUTER_SCTP_CKSUM),\n };\n \n #undef RTE_TX_OFFLOAD_BIT2STR\ndiff --git a/lib/librte_ethdev/rte_ethdev.h b/lib/librte_ethdev/rte_ethdev.h\nindex 4665bd6f7..a5b33a27f 100644\n--- a/lib/librte_ethdev/rte_ethdev.h\n+++ b/lib/librte_ethdev/rte_ethdev.h\n@@ -963,6 +963,12 @@ struct rte_eth_conf {\n * for tunnel TSO.\n */\n #define DEV_TX_OFFLOAD_IP_TNL_TSO 0x00080000\n+/** Device supports outer UDP checksum */\n+#define DEV_TX_OFFLOAD_OUTER_UDP_CKSUM 0x00100000\n+/** Device supports outer TCP checksum */\n+#define DEV_TX_OFFLOAD_OUTER_TCP_CKSUM 0x00200000\n+/** Device supports outer SCTP checksum */\n+#define DEV_TX_OFFLOAD_OUTER_SCTP_CKSUM 0x00400000\n \n #define RTE_ETH_DEV_CAPA_RUNTIME_RX_QUEUE_SETUP 0x00000001\n /**< Device supports Rx queue setup after device started*/\ndiff --git a/lib/librte_mbuf/rte_mbuf.c b/lib/librte_mbuf/rte_mbuf.c\nindex 022e92b3c..af14d9273 100644\n--- a/lib/librte_mbuf/rte_mbuf.c\n+++ b/lib/librte_mbuf/rte_mbuf.c\n@@ -437,6 +437,11 @@ rte_get_tx_ol_flag_list(uint64_t mask, char *buf, size_t buflen)\n \t\t \"PKT_TX_TUNNEL_NONE\" },\n \t\t{ PKT_TX_MACSEC, PKT_TX_MACSEC, NULL },\n \t\t{ PKT_TX_SEC_OFFLOAD, PKT_TX_SEC_OFFLOAD, NULL },\n+\t\t{ PKT_TX_OUTER_TCP_CKSUM, PKT_TX_OUTER_L4_MASK, NULL },\n+\t\t{ PKT_TX_OUTER_SCTP_CKSUM, PKT_TX_OUTER_L4_MASK, NULL },\n+\t\t{ PKT_TX_OUTER_UDP_CKSUM, PKT_TX_OUTER_L4_MASK, NULL },\n+\t\t{ PKT_TX_OUTER_L4_NO_CKSUM, PKT_TX_OUTER_L4_MASK,\n+\t\t\"PKT_TX_OUTER_L4_NO_CKSUM\" },\n \t};\n \tconst char *name;\n \tunsigned int i;\ndiff --git a/lib/librte_mbuf/rte_mbuf.h b/lib/librte_mbuf/rte_mbuf.h\nindex 80989483b..541521d7d 100644\n--- a/lib/librte_mbuf/rte_mbuf.h\n+++ b/lib/librte_mbuf/rte_mbuf.h\n@@ -184,6 +184,26 @@ extern \"C\" {\n \n /* add new TX flags here */\n \n+/**\n+ * Bits 40+41 used for outer L4 packet type with checksum enabled: 00: Reserved,\n+ * 01: Outer TCP checksum, 10: Outer SCTP checksum, 11: Outer UDP checksum.\n+ * To use hardware outer L4 checksum offload, the user needs to:\n+ * - fill outer_l2_len and outer_l3_len in mbuf\n+ * - set the flags PKT_TX_OUTER_TCP_CKSUM, PKT_TX_OUTER_SCTP_CKSUM or\n+ * PKT_TX_OUTER_UDP_CKSUM\n+ * - set the flag PKT_TX_OUTER_IPV4 or PKT_TX_OUTER_IPV6\n+ */\n+#define PKT_TX_OUTER_L4_NO_CKSUM (0ULL << 40)\n+/**< Disable Outer L4 cksum of TX pkt. */\n+#define PKT_TX_OUTER_TCP_CKSUM (1ULL << 40)\n+/**< Outer TCP cksum of TX pkt. computed by NIC. */\n+#define PKT_TX_OUTER_SCTP_CKSUM (2ULL << 40)\n+/**< Outer SCTP cksum of TX pkt. computed by NIC. */\n+#define PKT_TX_OUTER_UDP_CKSUM (3ULL << 40)\n+/**< Outer UDP cksum of TX pkt. computed by NIC. */\n+#define PKT_TX_OUTER_L4_MASK (3ULL << 40)\n+/**< Mask for Outer L4 cksum offload request. */\n+\n /**\n * UDP Fragmentation Offload flag. This flag is used for enabling UDP\n * fragmentation in SW or in HW. When use UFO, mbuf->tso_segsz is used\n@@ -347,7 +367,8 @@ extern \"C\" {\n \t\tPKT_TX_TUNNEL_MASK |\t \\\n \t\tPKT_TX_MACSEC |\t\t \\\n \t\tPKT_TX_SEC_OFFLOAD |\t\\\n-\t\tPKT_TX_UDP_SEG)\n+\t\tPKT_TX_UDP_SEG |\t\\\n+\t\tPKT_TX_OUTER_L4_MASK)\n \n /**\n * Mbuf having an external buffer attached. shinfo in mbuf must be filled.\n", "prefixes": [ "4/4" ] }