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{
    "id": 974,
    "url": "http://patches.dpdk.org/api/patches/974/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/patch/1414376006-31402-11-git-send-email-jijiang.liu@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": "<1414376006-31402-11-git-send-email-jijiang.liu@intel.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/1414376006-31402-11-git-send-email-jijiang.liu@intel.com",
    "date": "2014-10-27T02:13:26",
    "name": "[dpdk-dev,v8,10/10] app/testpmd:test VxLAN Tx checksum offload",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": true,
    "hash": "f0ad31a1fb8ecfc6992ada76284415dc3e58961c",
    "submitter": {
        "id": 52,
        "url": "http://patches.dpdk.org/api/people/52/?format=api",
        "name": "Jijiang Liu",
        "email": "jijiang.liu@intel.com"
    },
    "delegate": null,
    "mbox": "http://patches.dpdk.org/project/dpdk/patch/1414376006-31402-11-git-send-email-jijiang.liu@intel.com/mbox/",
    "series": [],
    "comments": "http://patches.dpdk.org/api/patches/974/comments/",
    "check": "pending",
    "checks": "http://patches.dpdk.org/api/patches/974/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 [IPv6:::1])\n\tby dpdk.org (Postfix) with ESMTP id 4732A7F99;\n\tMon, 27 Oct 2014 03:05:20 +0100 (CET)",
            "from mga02.intel.com (mga02.intel.com [134.134.136.20])\n\tby dpdk.org (Postfix) with ESMTP id 036937F6D\n\tfor <dev@dpdk.org>; Mon, 27 Oct 2014 03:05:14 +0100 (CET)",
            "from orsmga001.jf.intel.com ([10.7.209.18])\n\tby orsmga101.jf.intel.com with ESMTP; 26 Oct 2014 19:13:54 -0700",
            "from shvmail01.sh.intel.com ([10.239.29.42])\n\tby orsmga001.jf.intel.com with ESMTP; 26 Oct 2014 19:13:54 -0700",
            "from shecgisg004.sh.intel.com (shecgisg004.sh.intel.com\n\t[10.239.29.89])\n\tby shvmail01.sh.intel.com with ESMTP id s9R2Dq7f016756;\n\tMon, 27 Oct 2014 10:13:52 +0800",
            "from shecgisg004.sh.intel.com (localhost [127.0.0.1])\n\tby shecgisg004.sh.intel.com (8.13.6/8.13.6/SuSE Linux 0.8) with ESMTP\n\tid s9R2DoDX031508; Mon, 27 Oct 2014 10:13:52 +0800",
            "(from jijiangl@localhost)\n\tby shecgisg004.sh.intel.com (8.13.6/8.13.6/Submit) id s9R2DohJ031504; \n\tMon, 27 Oct 2014 10:13:50 +0800"
        ],
        "X-ExtLoop1": "1",
        "X-IronPort-AV": "E=Sophos;i=\"5.04,792,1406617200\"; d=\"scan'208\";a=\"596635547\"",
        "From": "Jijiang Liu <jijiang.liu@intel.com>",
        "To": "dev@dpdk.org",
        "Date": "Mon, 27 Oct 2014 10:13:26 +0800",
        "Message-Id": "<1414376006-31402-11-git-send-email-jijiang.liu@intel.com>",
        "X-Mailer": "git-send-email 1.7.12.2",
        "In-Reply-To": "<1414376006-31402-1-git-send-email-jijiang.liu@intel.com>",
        "References": "<1414376006-31402-1-git-send-email-jijiang.liu@intel.com>",
        "Subject": "[dpdk-dev] [PATCH v8 10/10] app/testpmd:test VxLAN Tx checksum\n\toffload",
        "X-BeenThere": "dev@dpdk.org",
        "X-Mailman-Version": "2.1.15",
        "Precedence": "list",
        "List-Id": "patches and discussions about DPDK <dev.dpdk.org>",
        "List-Unsubscribe": "<http://dpdk.org/ml/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>",
        "List-Archive": "<http://dpdk.org/ml/archives/dev/>",
        "List-Post": "<mailto:dev@dpdk.org>",
        "List-Help": "<mailto:dev-request@dpdk.org?subject=help>",
        "List-Subscribe": "<http://dpdk.org/ml/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>",
        "Errors-To": "dev-bounces@dpdk.org",
        "Sender": "\"dev\" <dev-bounces@dpdk.org>"
    },
    "content": "Add test cases in testpmd to test VxLAN Tx Checksum offload, which include\n - IPv4 and IPv6 packet\n - outer L3, inner L3 and L4 checksum offload for Tx side.\n\nSigned-off-by: Jijiang Liu <jijiang.liu@intel.com>\n---\n app/test-pmd/cmdline.c  |   13 ++-\n app/test-pmd/config.c   |    6 +-\n app/test-pmd/csumonly.c |  194 +++++++++++++++++++++++++++++++++++++++++++----\n 3 files changed, 192 insertions(+), 21 deletions(-)",
    "diff": "diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c\nindex da5d272..757c399 100644\n--- a/app/test-pmd/cmdline.c\n+++ b/app/test-pmd/cmdline.c\n@@ -310,13 +310,17 @@ static void cmd_help_long_parsed(void *parsed_result,\n \t\t\t\"    Disable hardware insertion of a VLAN header in\"\n \t\t\t\" packets sent on a port.\\n\\n\"\n \n-\t\t\t\"tx_checksum set mask (port_id)\\n\"\n+\t\t\t\"tx_checksum set (mask) (port_id)\\n\"\n \t\t\t\"    Enable hardware insertion of checksum offload with\"\n-\t\t\t\" the 4-bit mask, 0~0xf, in packets sent on a port.\\n\"\n+\t\t\t\" the 8-bit mask, 0~0xff, in packets sent on a port.\\n\"\n \t\t\t\"        bit 0 - insert ip   checksum offload if set\\n\"\n \t\t\t\"        bit 1 - insert udp  checksum offload if set\\n\"\n \t\t\t\"        bit 2 - insert tcp  checksum offload if set\\n\"\n \t\t\t\"        bit 3 - insert sctp checksum offload if set\\n\"\n+\t\t\t\"        bit 4 - insert inner ip  checksum offload if set\\n\"\n+\t\t\t\"        bit 5 - insert inner udp checksum offload if set\\n\"\n+\t\t\t\"        bit 6 - insert inner tcp checksum offload if set\\n\"\n+\t\t\t\"        bit 7 - insert inner sctp checksum offload if set\\n\"\n \t\t\t\"    Please check the NIC datasheet for HW limits.\\n\\n\"\n \n \t\t\t\"set fwd (%s)\\n\"\n@@ -2763,8 +2767,9 @@ cmdline_parse_inst_t cmd_tx_cksum_set = {\n \t.f = cmd_tx_cksum_set_parsed,\n \t.data = NULL,\n \t.help_str = \"enable hardware insertion of L3/L4checksum with a given \"\n-\t\"mask in packets sent on a port, the bit mapping is given as, Bit 0 for ip\"\n-\t\"Bit 1 for UDP, Bit 2 for TCP, Bit 3 for SCTP\",\n+\t\"mask in packets sent on a port, the bit mapping is given as, Bit 0 for ip, \"\n+\t\"Bit 1 for UDP, Bit 2 for TCP, Bit 3 for SCTP, Bit 4 for inner ip, \"\n+\t\"Bit 5 for inner UDP, Bit 6 for inner TCP, Bit 7 for inner SCTP\",\n \t.tokens = {\n \t\t(void *)&cmd_tx_cksum_set_tx_cksum,\n \t\t(void *)&cmd_tx_cksum_set_set,\ndiff --git a/app/test-pmd/config.c b/app/test-pmd/config.c\nindex 2a1b93f..9bc08f4 100644\n--- a/app/test-pmd/config.c\n+++ b/app/test-pmd/config.c\n@@ -1753,9 +1753,9 @@ tx_cksum_set(portid_t port_id, uint64_t ol_flags)\n \tuint64_t tx_ol_flags;\n \tif (port_id_is_invalid(port_id))\n \t\treturn;\n-\t/* Clear last 4 bits and then set L3/4 checksum mask again */\n-\ttx_ol_flags = ports[port_id].tx_ol_flags & (~0x0Full);\n-\tports[port_id].tx_ol_flags = ((ol_flags & 0xf) | tx_ol_flags);\n+\t/* Clear last 8 bits and then set L3/4 checksum mask again */\n+\ttx_ol_flags = ports[port_id].tx_ol_flags & (~0x0FFull);\n+\tports[port_id].tx_ol_flags = ((ol_flags & 0xff) | tx_ol_flags);\n }\n \n void\ndiff --git a/app/test-pmd/csumonly.c b/app/test-pmd/csumonly.c\nindex fcc4876..3967476 100644\n--- a/app/test-pmd/csumonly.c\n+++ b/app/test-pmd/csumonly.c\n@@ -209,10 +209,16 @@ pkt_burst_checksum_forward(struct fwd_stream *fs)\n \tstruct rte_mbuf  *mb;\n \tstruct ether_hdr *eth_hdr;\n \tstruct ipv4_hdr  *ipv4_hdr;\n+\tstruct ether_hdr *inner_eth_hdr;\n+\tstruct ipv4_hdr  *inner_ipv4_hdr = NULL;\n \tstruct ipv6_hdr  *ipv6_hdr;\n+\tstruct ipv6_hdr  *inner_ipv6_hdr = NULL;\n \tstruct udp_hdr   *udp_hdr;\n+\tstruct udp_hdr   *inner_udp_hdr;\n \tstruct tcp_hdr   *tcp_hdr;\n+\tstruct tcp_hdr   *inner_tcp_hdr;\n \tstruct sctp_hdr  *sctp_hdr;\n+\tstruct sctp_hdr  *inner_sctp_hdr;\n \n \tuint16_t nb_rx;\n \tuint16_t nb_tx;\n@@ -221,12 +227,17 @@ pkt_burst_checksum_forward(struct fwd_stream *fs)\n \tuint64_t pkt_ol_flags;\n \tuint64_t tx_ol_flags;\n \tuint16_t l4_proto;\n+\tuint16_t inner_l4_proto = 0;\n \tuint16_t eth_type;\n \tuint8_t  l2_len;\n \tuint8_t  l3_len;\n+\tuint8_t  inner_l2_len = 0;\n+\tuint8_t  inner_l3_len = 0;\n \n \tuint32_t rx_bad_ip_csum;\n \tuint32_t rx_bad_l4_csum;\n+\tuint8_t  ipv4_tunnel;\n+\tuint8_t  ipv6_tunnel;\n \n #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES\n \tuint64_t start_tsc;\n@@ -262,7 +273,10 @@ pkt_burst_checksum_forward(struct fwd_stream *fs)\n \t\tl2_len  = sizeof(struct ether_hdr);\n \t\tpkt_ol_flags = mb->ol_flags;\n \t\tol_flags = (pkt_ol_flags & (~PKT_TX_L4_MASK));\n-\n+\t\tipv4_tunnel = (pkt_ol_flags & PKT_RX_TUNNEL_IPV4_HDR) ?\n+\t\t\t\t1 : 0;\n+\t\tipv6_tunnel = (pkt_ol_flags & PKT_RX_TUNNEL_IPV6_HDR) ?\n+\t\t\t\t1 : 0;\n \t\teth_hdr = rte_pktmbuf_mtod(mb, struct ether_hdr *);\n \t\teth_type = rte_be_to_cpu_16(eth_hdr->ether_type);\n \t\tif (eth_type == ETHER_TYPE_VLAN) {\n@@ -295,7 +309,7 @@ pkt_burst_checksum_forward(struct fwd_stream *fs)\n \t\t *      + ipv4 or ipv6\n \t\t *      + udp or tcp or sctp or others\n \t\t */\n-\t\tif (pkt_ol_flags & PKT_RX_IPV4_HDR) {\n+\t\tif (pkt_ol_flags & (PKT_RX_IPV4_HDR | PKT_RX_TUNNEL_IPV4_HDR)) {\n \n \t\t\t/* Do not support ipv4 option field */\n \t\t\tl3_len = sizeof(struct ipv4_hdr) ;\n@@ -325,17 +339,92 @@ pkt_burst_checksum_forward(struct fwd_stream *fs)\n \t\t\t\tif (tx_ol_flags & 0x2) {\n \t\t\t\t\t/* HW Offload */\n \t\t\t\t\tol_flags |= PKT_TX_UDP_CKSUM;\n-\t\t\t\t\t/* Pseudo header sum need be set properly */\n-\t\t\t\t\tudp_hdr->dgram_cksum = get_ipv4_psd_sum(ipv4_hdr);\n+\t\t\t\t\tif (ipv4_tunnel)\n+\t\t\t\t\t\tudp_hdr->dgram_cksum = 0;\n+\t\t\t\t\telse\n+\t\t\t\t\t\t/* Pseudo header sum need be set properly */\n+\t\t\t\t\t\tudp_hdr->dgram_cksum =\n+\t\t\t\t\t\t\tget_ipv4_psd_sum(ipv4_hdr);\n \t\t\t\t}\n \t\t\t\telse {\n \t\t\t\t\t/* SW Implementation, clear checksum field first */\n \t\t\t\t\tudp_hdr->dgram_cksum = 0;\n \t\t\t\t\tudp_hdr->dgram_cksum = get_ipv4_udptcp_checksum(ipv4_hdr,\n-\t\t\t\t\t\t\t(uint16_t*)udp_hdr);\n+\t\t\t\t\t\t\t\t\t(uint16_t *)udp_hdr);\n \t\t\t\t}\n-\t\t\t}\n-\t\t\telse if (l4_proto == IPPROTO_TCP){\n+\n+\t\t\t\tif (ipv4_tunnel) {\n+\n+\t\t\t\t\tuint16_t len;\n+\n+\t\t\t\t\t/* Check if inner L3/L4 checkum flag is set */\n+\t\t\t\t\tif (tx_ol_flags & 0xF0)\n+\t\t\t\t\t\tol_flags |= PKT_TX_VXLAN_CKSUM;\n+\n+\t\t\t\t\tinner_l2_len  = sizeof(struct ether_hdr);\n+\t\t\t\t\tinner_eth_hdr = (struct ether_hdr *) (rte_pktmbuf_mtod(mb,\n+\t\t\t\t\t\t\t\tunsigned char *) + l2_len + l3_len\n+\t\t\t\t\t\t\t\t + ETHER_VXLAN_HLEN);\n+\n+\t\t\t\t\teth_type = rte_be_to_cpu_16(inner_eth_hdr->ether_type);\n+\t\t\t\t\tif (eth_type == ETHER_TYPE_VLAN) {\n+\t\t\t\t\t\tinner_l2_len += sizeof(struct vlan_hdr);\n+\t\t\t\t\t\teth_type = rte_be_to_cpu_16(*(uint16_t *)\n+\t\t\t\t\t\t\t((uintptr_t)&eth_hdr->ether_type +\n+\t\t\t\t\t\t\t\tsizeof(struct vlan_hdr)));\n+\t\t\t\t\t}\n+\n+\t\t\t\t\tlen = l2_len + l3_len + ETHER_VXLAN_HLEN + inner_l2_len;\n+\t\t\t\t\tif (eth_type == ETHER_TYPE_IPv4) {\n+\t\t\t\t\t\tinner_l3_len = sizeof(struct ipv4_hdr);\n+\t\t\t\t\t\tinner_ipv4_hdr = (struct ipv4_hdr *) (rte_pktmbuf_mtod(mb,\n+\t\t\t\t\t\t\t\tunsigned char *) + len);\n+\t\t\t\t\t\tinner_l4_proto = inner_ipv4_hdr->next_proto_id;\n+\n+\t\t\t\t\t\tif (tx_ol_flags & 0x10) {\n+\n+\t\t\t\t\t\t\t/* Do not delete, this is required by HW*/\n+\t\t\t\t\t\t\tinner_ipv4_hdr->hdr_checksum = 0;\n+\t\t\t\t\t\t\tol_flags |= PKT_TX_IPV4_CSUM;\n+\t\t\t\t\t\t}\n+\n+\t\t\t\t\t} else if (eth_type == ETHER_TYPE_IPv6) {\n+\t\t\t\t\t\tinner_l3_len = sizeof(struct ipv6_hdr);\n+\t\t\t\t\t\tinner_ipv6_hdr = (struct ipv6_hdr *) (rte_pktmbuf_mtod(mb,\n+\t\t\t\t\t\t\t\tunsigned char *) + len);\n+\t\t\t\t\t\tinner_l4_proto = inner_ipv6_hdr->proto;\n+\t\t\t\t\t}\n+\t\t\t\t\tif ((inner_l4_proto == IPPROTO_UDP) && (tx_ol_flags & 0x20)) {\n+\n+\t\t\t\t\t\t/* HW Offload */\n+\t\t\t\t\t\tol_flags |= PKT_TX_UDP_CKSUM;\n+\t\t\t\t\t\tinner_udp_hdr = (struct udp_hdr *) (rte_pktmbuf_mtod(mb,\n+\t\t\t\t\t\t\t\tunsigned char *) + len + inner_l3_len);\n+\t\t\t\t\t\tif (eth_type == ETHER_TYPE_IPv4)\n+\t\t\t\t\t\t\tinner_udp_hdr->dgram_cksum = get_ipv4_psd_sum(inner_ipv4_hdr);\n+\t\t\t\t\t\telse if (eth_type == ETHER_TYPE_IPv6)\n+\t\t\t\t\t\t\tinner_udp_hdr->dgram_cksum = get_ipv6_psd_sum(inner_ipv6_hdr);\n+\n+\t\t\t\t\t} else if ((inner_l4_proto == IPPROTO_TCP) && (tx_ol_flags & 0x40)) {\n+\t\t\t\t\t\t/* HW Offload */\n+\t\t\t\t\t\tol_flags |= PKT_TX_TCP_CKSUM;\n+\t\t\t\t\t\tinner_tcp_hdr = (struct tcp_hdr *) (rte_pktmbuf_mtod(mb,\n+\t\t\t\t\t\t\t\tunsigned char *) + len + inner_l3_len);\n+\t\t\t\t\t\tif (eth_type == ETHER_TYPE_IPv4)\n+\t\t\t\t\t\t\tinner_tcp_hdr->cksum = get_ipv4_psd_sum(inner_ipv4_hdr);\n+\t\t\t\t\t\telse if (eth_type == ETHER_TYPE_IPv6)\n+\t\t\t\t\t\t\tinner_tcp_hdr->cksum = get_ipv6_psd_sum(inner_ipv6_hdr);\n+\t\t\t\t\t} else if ((inner_l4_proto == IPPROTO_SCTP) && (tx_ol_flags & 0x80)) {\n+\t\t\t\t\t\t/* HW Offload */\n+\t\t\t\t\t\tol_flags |= PKT_TX_SCTP_CKSUM;\n+\t\t\t\t\t\tinner_sctp_hdr = (struct sctp_hdr *) (rte_pktmbuf_mtod(mb,\n+\t\t\t\t\t\t\t\tunsigned char *) + len + inner_l3_len);\n+\t\t\t\t\t\tinner_sctp_hdr->cksum = 0;\n+\t\t\t\t\t}\n+\n+\t\t\t\t}\n+\n+\t\t\t} else if (l4_proto == IPPROTO_TCP) {\n \t\t\t\ttcp_hdr = (struct tcp_hdr*) (rte_pktmbuf_mtod(mb,\n \t\t\t\t\t\tunsigned char *) + l2_len + l3_len);\n \t\t\t\tif (tx_ol_flags & 0x4) {\n@@ -347,8 +436,7 @@ pkt_burst_checksum_forward(struct fwd_stream *fs)\n \t\t\t\t\ttcp_hdr->cksum = get_ipv4_udptcp_checksum(ipv4_hdr,\n \t\t\t\t\t\t\t(uint16_t*)tcp_hdr);\n \t\t\t\t}\n-\t\t\t}\n-\t\t\telse if (l4_proto == IPPROTO_SCTP) {\n+\t\t\t} else if (l4_proto == IPPROTO_SCTP) {\n \t\t\t\tsctp_hdr = (struct sctp_hdr*) (rte_pktmbuf_mtod(mb,\n \t\t\t\t\t\tunsigned char *) + l2_len + l3_len);\n \n@@ -367,9 +455,7 @@ pkt_burst_checksum_forward(struct fwd_stream *fs)\n \t\t\t\t}\n \t\t\t}\n \t\t\t/* End of L4 Handling*/\n-\t\t}\n-\t\telse if (pkt_ol_flags & PKT_RX_IPV6_HDR) {\n-\n+\t\t} else if (pkt_ol_flags & (PKT_RX_IPV6_HDR | PKT_RX_TUNNEL_IPV6_HDR)) {\n \t\t\tipv6_hdr = (struct ipv6_hdr *) (rte_pktmbuf_mtod(mb,\n \t\t\t\t\tunsigned char *) + l2_len);\n \t\t\tl3_len = sizeof(struct ipv6_hdr) ;\n@@ -382,15 +468,93 @@ pkt_burst_checksum_forward(struct fwd_stream *fs)\n \t\t\t\tif (tx_ol_flags & 0x2) {\n \t\t\t\t\t/* HW Offload */\n \t\t\t\t\tol_flags |= PKT_TX_UDP_CKSUM;\n-\t\t\t\t\tudp_hdr->dgram_cksum = get_ipv6_psd_sum(ipv6_hdr);\n+\t\t\t\t\tif (ipv6_tunnel)\n+\t\t\t\t\t\tudp_hdr->dgram_cksum = 0;\n+\t\t\t\t\telse\n+\t\t\t\t\t\tudp_hdr->dgram_cksum =\n+\t\t\t\t\t\t\tget_ipv6_psd_sum(ipv6_hdr);\n \t\t\t\t}\n \t\t\t\telse {\n \t\t\t\t\t/* SW Implementation */\n \t\t\t\t\t/* checksum field need be clear first */\n \t\t\t\t\tudp_hdr->dgram_cksum = 0;\n \t\t\t\t\tudp_hdr->dgram_cksum = get_ipv6_udptcp_checksum(ipv6_hdr,\n-\t\t\t\t\t\t\t(uint16_t*)udp_hdr);\n+\t\t\t\t\t\t\t\t(uint16_t *)udp_hdr);\n \t\t\t\t}\n+\n+\t\t\t\tif (ipv6_tunnel) {\n+\n+\t\t\t\t\tuint16_t len;\n+\n+\t\t\t\t\t/* Check if inner L3/L4 checksum flag is set */\n+\t\t\t\t\tif (tx_ol_flags & 0xF0)\n+\t\t\t\t\t\tol_flags |= PKT_TX_VXLAN_CKSUM;\n+\n+\t\t\t\t\tinner_l2_len  = sizeof(struct ether_hdr);\n+\t\t\t\t\tinner_eth_hdr = (struct ether_hdr *) (rte_pktmbuf_mtod(mb,\n+\t\t\t\t\t\tunsigned char *) + l2_len + l3_len + ETHER_VXLAN_HLEN);\n+\t\t\t\t\teth_type = rte_be_to_cpu_16(inner_eth_hdr->ether_type);\n+\n+\t\t\t\t\tif (eth_type == ETHER_TYPE_VLAN) {\n+\t\t\t\t\t\tinner_l2_len += sizeof(struct vlan_hdr);\n+\t\t\t\t\t\teth_type = rte_be_to_cpu_16(*(uint16_t *)\n+\t\t\t\t\t\t\t((uintptr_t)&eth_hdr->ether_type +\n+\t\t\t\t\t\t\tsizeof(struct vlan_hdr)));\n+\t\t\t\t\t}\n+\n+\t\t\t\t\tlen = l2_len + l3_len + ETHER_VXLAN_HLEN + inner_l2_len;\n+\n+\t\t\t\t\tif (eth_type == ETHER_TYPE_IPv4) {\n+\t\t\t\t\t\tinner_l3_len = sizeof(struct ipv4_hdr);\n+\t\t\t\t\t\tinner_ipv4_hdr = (struct ipv4_hdr *) (rte_pktmbuf_mtod(mb,\n+\t\t\t\t\t\t\t\tunsigned char *) + len);\n+\t\t\t\t\t\tinner_l4_proto = inner_ipv4_hdr->next_proto_id;\n+\n+\t\t\t\t\t\t/* HW offload */\n+\t\t\t\t\t\tif (tx_ol_flags & 0x10) {\n+\n+\t\t\t\t\t\t\t/* Do not delete, this is required by HW*/\n+\t\t\t\t\t\t\tinner_ipv4_hdr->hdr_checksum = 0;\n+\t\t\t\t\t\t\tol_flags |= PKT_TX_IPV4_CSUM;\n+\t\t\t\t\t\t}\n+\t\t\t\t\t} else if (eth_type == ETHER_TYPE_IPv6) {\n+\t\t\t\t\t\tinner_l3_len = sizeof(struct ipv6_hdr);\n+\t\t\t\t\t\tinner_ipv6_hdr = (struct ipv6_hdr *) (rte_pktmbuf_mtod(mb,\n+\t\t\t\t\t\t\tunsigned char *) + len);\n+\t\t\t\t\t\tinner_l4_proto = inner_ipv6_hdr->proto;\n+\t\t\t\t\t}\n+\n+\t\t\t\t\tif ((inner_l4_proto == IPPROTO_UDP) && (tx_ol_flags & 0x20)) {\n+\t\t\t\t\t\tinner_udp_hdr = (struct udp_hdr *) (rte_pktmbuf_mtod(mb,\n+\t\t\t\t\t\t\tunsigned char *) + len + inner_l3_len);\n+\t\t\t\t\t\t/* HW offload */\n+\t\t\t\t\t\tol_flags |= PKT_TX_UDP_CKSUM;\n+\t\t\t\t\t\tinner_udp_hdr->dgram_cksum = 0;\n+\t\t\t\t\t\tif (eth_type == ETHER_TYPE_IPv4)\n+\t\t\t\t\t\t\tinner_udp_hdr->dgram_cksum = get_ipv4_psd_sum(inner_ipv4_hdr);\n+\t\t\t\t\t\telse if (eth_type == ETHER_TYPE_IPv6)\n+\t\t\t\t\t\t\tinner_udp_hdr->dgram_cksum = get_ipv6_psd_sum(inner_ipv6_hdr);\n+\t\t\t\t\t} else if ((inner_l4_proto == IPPROTO_TCP) && (tx_ol_flags & 0x40)) {\n+\t\t\t\t\t\t/* HW offload */\n+\t\t\t\t\t\tol_flags |= PKT_TX_TCP_CKSUM;\n+\t\t\t\t\t\tinner_tcp_hdr = (struct tcp_hdr *) (rte_pktmbuf_mtod(mb,\n+\t\t\t\t\t\t\t\tunsigned char *) + len + inner_l3_len);\n+\n+\t\t\t\t\t\tif (eth_type == ETHER_TYPE_IPv4)\n+\t\t\t\t\t\t\tinner_tcp_hdr->cksum = get_ipv4_psd_sum(inner_ipv4_hdr);\n+\t\t\t\t\t\telse if (eth_type == ETHER_TYPE_IPv6)\n+\t\t\t\t\t\t\tinner_tcp_hdr->cksum = get_ipv6_psd_sum(inner_ipv6_hdr);\n+\n+\t\t\t\t\t} else if ((inner_l4_proto == IPPROTO_SCTP) && (tx_ol_flags & 0x80)) {\n+\t\t\t\t\t\t/* HW offload */\n+\t\t\t\t\t\tol_flags |= PKT_TX_SCTP_CKSUM;\n+\t\t\t\t\t\tinner_sctp_hdr = (struct sctp_hdr *) (rte_pktmbuf_mtod(mb,\n+\t\t\t\t\t\t\t\tunsigned char *) + len + inner_l3_len);\n+\t\t\t\t\t\tinner_sctp_hdr->cksum = 0;\n+\t\t\t\t\t}\n+\n+\t\t\t\t}\n+\n \t\t\t}\n \t\t\telse if (l4_proto == IPPROTO_TCP) {\n \t\t\t\ttcp_hdr = (struct tcp_hdr*) (rte_pktmbuf_mtod(mb,\n@@ -434,6 +598,8 @@ pkt_burst_checksum_forward(struct fwd_stream *fs)\n \t\t/* Combine the packet header write. VLAN is not consider here */\n \t\tmb->l2_len = l2_len;\n \t\tmb->l3_len = l3_len;\n+\t\tmb->inner_l2_len = inner_l2_len;\n+\t\tmb->inner_l3_len = inner_l3_len;\n \t\tmb->ol_flags = ol_flags;\n \t}\n \tnb_tx = rte_eth_tx_burst(fs->tx_port, fs->tx_queue, pkts_burst, nb_rx);\n",
    "prefixes": [
        "dpdk-dev",
        "v8",
        "10/10"
    ]
}