From patchwork Tue Oct 2 19:24:48 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jerin Jacob X-Patchwork-Id: 45911 X-Patchwork-Delegate: ferruh.yigit@amd.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 6CF095F2D; Tue, 2 Oct 2018 21:26:59 +0200 (CEST) Received: from NAM03-BY2-obe.outbound.protection.outlook.com (mail-by2nam03on0074.outbound.protection.outlook.com [104.47.42.74]) by dpdk.org (Postfix) with ESMTP id 1747F5B38 for ; Tue, 2 Oct 2018 21:26:55 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=CAVIUMNETWORKS.onmicrosoft.com; s=selector1-cavium-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=3DlxH3QwSCuoXfecrsByLrhoTAx2ks0EQFgFxbmlro4=; b=jESy4oH2t9iLAS8P9EnvMPvr5bu4yT4qWVea90QAcE9be8/E3GSu7N4oE/RyPaQMBtW7i6p2/Piyblpb/WeXJBfjV3kDWRdhWgCsUaW+nS49H6xqaXAmEtsPBHGkT0Zi8rrtUUsKAYlpo5AFQttHNKR/G2wwg/ZLDKQPNn/4ZeI= Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=Jerin.JacobKollanukkaran@cavium.com; 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Signed-off-by: Jerin Jacob --- v2: - Removed DEV_RX_OFFLOAD_OUTER_TCP_CKSUM and DEV_RX_OFFLOAD_OUTER_SCTP_CKSUM as there is no realworld use case for it. See: http://patches.dpdk.org/patch/44692/ This patch series is depended on http://patches.dpdk.org/patch/45840/ -- app/test-pmd/config.c | 9 +++++++++ doc/guides/nics/features.rst | 3 +++ lib/librte_ethdev/rte_ethdev.c | 1 + lib/librte_ethdev/rte_ethdev.h | 1 + lib/librte_mbuf/rte_mbuf.c | 2 ++ lib/librte_mbuf/rte_mbuf.h | 3 +++ 6 files changed, 19 insertions(+) diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c index 1adc9b94b..d53c527e5 100644 --- a/app/test-pmd/config.c +++ b/app/test-pmd/config.c @@ -594,6 +594,15 @@ port_offload_cap_display(portid_t port_id) printf("off\n"); } + if (dev_info.rx_offload_capa & DEV_RX_OFFLOAD_OUTER_UDP_CKSUM) { + printf("RX Outer UDP checksum: "); + if (ports[port_id].dev_conf.rxmode.offloads & + DEV_RX_OFFLOAD_OUTER_UDP_CKSUM) + printf("on\n"); + else + printf("off\n"); + } + if (dev_info.rx_offload_capa & DEV_RX_OFFLOAD_TCP_LRO) { printf("Large receive offload: "); if (ports[port_id].dev_conf.rxmode.offloads & diff --git a/doc/guides/nics/features.rst b/doc/guides/nics/features.rst index d42489b6d..2c2959e0b 100644 --- a/doc/guides/nics/features.rst +++ b/doc/guides/nics/features.rst @@ -639,6 +639,9 @@ Inner L4 checksum Supports inner packet L4 checksum. +* **[uses] rte_eth_rxconf,rte_eth_rxmode**: ``offloads:DEV_RX_OFFLOAD_OUTER_UDP_CKSUM``. +* **[provides] mbuf**: ``mbuf.ol_flags:PKT_RX_EL4_CKSUM_BAD``. +* **[provides] rte_eth_dev_info**: ``rx_offload_capa,rx_queue_offload_capa:DEV_RX_OFFLOAD_OUTER_UDP_CKSUM``, .. _nic_features_packet_type_parsing: diff --git a/lib/librte_ethdev/rte_ethdev.c b/lib/librte_ethdev/rte_ethdev.c index e9a82fe7f..a630c4fda 100644 --- a/lib/librte_ethdev/rte_ethdev.c +++ b/lib/librte_ethdev/rte_ethdev.c @@ -127,6 +127,7 @@ static const struct { RTE_RX_OFFLOAD_BIT2STR(SECURITY), RTE_RX_OFFLOAD_BIT2STR(KEEP_CRC), RTE_RX_OFFLOAD_BIT2STR(SCTP_CKSUM), + RTE_RX_OFFLOAD_BIT2STR(OUTER_UDP_CKSUM), }; #undef RTE_RX_OFFLOAD_BIT2STR diff --git a/lib/librte_ethdev/rte_ethdev.h b/lib/librte_ethdev/rte_ethdev.h index d02db14ad..821d371c3 100644 --- a/lib/librte_ethdev/rte_ethdev.h +++ b/lib/librte_ethdev/rte_ethdev.h @@ -889,6 +889,7 @@ struct rte_eth_conf { #define DEV_RX_OFFLOAD_SECURITY 0x00008000 #define DEV_RX_OFFLOAD_KEEP_CRC 0x00010000 #define DEV_RX_OFFLOAD_SCTP_CKSUM 0x00020000 +#define DEV_RX_OFFLOAD_OUTER_UDP_CKSUM 0x00040000 #define DEV_RX_OFFLOAD_CHECKSUM (DEV_RX_OFFLOAD_IPV4_CKSUM | \ DEV_RX_OFFLOAD_UDP_CKSUM | \ diff --git a/lib/librte_mbuf/rte_mbuf.c b/lib/librte_mbuf/rte_mbuf.c index e714c5a59..022e92b3c 100644 --- a/lib/librte_mbuf/rte_mbuf.c +++ b/lib/librte_mbuf/rte_mbuf.c @@ -301,6 +301,7 @@ const char *rte_get_rx_ol_flag_name(uint64_t mask) case PKT_RX_TIMESTAMP: return "PKT_RX_TIMESTAMP"; case PKT_RX_SEC_OFFLOAD: return "PKT_RX_SEC_OFFLOAD"; case PKT_RX_SEC_OFFLOAD_FAILED: return "PKT_RX_SEC_OFFLOAD_FAILED"; + case PKT_RX_EL4_CKSUM_BAD: return "PKT_RX_EL4_CKSUM_BAD"; default: return NULL; } } @@ -339,6 +340,7 @@ rte_get_rx_ol_flag_list(uint64_t mask, char *buf, size_t buflen) { PKT_RX_SEC_OFFLOAD, PKT_RX_SEC_OFFLOAD, NULL }, { PKT_RX_SEC_OFFLOAD_FAILED, PKT_RX_SEC_OFFLOAD_FAILED, NULL }, { PKT_RX_QINQ, PKT_RX_QINQ, NULL }, + { PKT_RX_EL4_CKSUM_BAD, PKT_RX_EL4_CKSUM_BAD, NULL }, }; const char *name; unsigned int i; diff --git a/lib/librte_mbuf/rte_mbuf.h b/lib/librte_mbuf/rte_mbuf.h index eb11779e7..5c03e98b3 100644 --- a/lib/librte_mbuf/rte_mbuf.h +++ b/lib/librte_mbuf/rte_mbuf.h @@ -177,6 +177,9 @@ extern "C" { */ #define PKT_RX_QINQ (1ULL << 20) +/**< External/Outer Layer4 header checksum error. */ +#define PKT_RX_EL4_CKSUM_BAD (1ULL << 21) + /* add new RX flags here */ /* add new TX flags here */ From patchwork Tue Oct 2 19:24:50 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jerin Jacob X-Patchwork-Id: 45909 X-Patchwork-Delegate: ferruh.yigit@amd.com Return-Path: X-Original-To: patchwork@dpdk.org Delivered-To: patchwork@dpdk.org Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 6F9805F14; 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Signed-off-by: Jerin Jacob Acked-by: Bernard Iremonger --- v2: - Added outer-udp support for csum engine --- app/test-pmd/cmdline.c | 24 ++++++++++++++++++--- app/test-pmd/csumonly.c | 13 +++++++++-- doc/guides/testpmd_app_ug/testpmd_funcs.rst | 8 +++++-- 3 files changed, 38 insertions(+), 7 deletions(-) diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c index 0c5399dc4..2fd007423 100644 --- a/app/test-pmd/cmdline.c +++ b/app/test-pmd/cmdline.c @@ -397,12 +397,13 @@ static void cmd_help_long_parsed(void *parsed_result, " Disable hardware insertion of a VLAN header in" " packets sent on a port.\n\n" - "csum set (ip|udp|tcp|sctp|outer-ip) (hw|sw) (port_id)\n" + "csum set (ip|udp|tcp|sctp|outer-ip|outer-udp) (hw|sw) (port_id)\n" " Select hardware or software calculation of the" " checksum when transmitting a packet using the" " csum forward engine.\n" " ip|udp|tcp|sctp always concern the inner layer.\n" " outer-ip concerns the outer IP layer in" + " outer-udp concerns the outer UDP layer in" " case the packet is recognized as a tunnel packet by" " the forward engine (vxlan, gre and ipip are supported)\n" " Please check the NIC datasheet for HW limits.\n\n" @@ -4177,6 +4178,8 @@ csum_show(int port_id) (tx_offloads & DEV_TX_OFFLOAD_SCTP_CKSUM) ? "hw" : "sw"); printf("Outer-Ip checksum offload is %s\n", (tx_offloads & DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM) ? "hw" : "sw"); + printf("Outer-Udp checksum offload is %s\n", + (tx_offloads & DEV_TX_OFFLOAD_OUTER_UDP_CKSUM) ? "hw" : "sw"); /* display warnings if configuration is not supported by the NIC */ rte_eth_dev_info_get(port_id, &dev_info); @@ -4205,6 +4208,12 @@ csum_show(int port_id) printf("Warning: hardware outer IP checksum enabled but not " "supported by port %d\n", port_id); } + if ((tx_offloads & DEV_TX_OFFLOAD_OUTER_UDP_CKSUM) && + (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_OUTER_UDP_CKSUM) + == 0) { + printf("Warning: hardware outer UDP checksum enabled but not " + "supported by port %d\n", port_id); + } } static void @@ -4273,6 +4282,15 @@ cmd_csum_parsed(void *parsed_result, printf("Outer IP checksum offload is not " "supported by port %u\n", res->port_id); } + } else if (!strcmp(res->proto, "outer-udp")) { + if (hw == 0 || (dev_info.tx_offload_capa & + DEV_TX_OFFLOAD_OUTER_UDP_CKSUM)) { + csum_offloads |= + DEV_TX_OFFLOAD_OUTER_UDP_CKSUM; + } else { + printf("Outer UDP checksum offload is not " + "supported by port %u\n", res->port_id); + } } if (hw) { @@ -4296,7 +4314,7 @@ cmdline_parse_token_string_t cmd_csum_mode = mode, "set"); cmdline_parse_token_string_t cmd_csum_proto = TOKEN_STRING_INITIALIZER(struct cmd_csum_result, - proto, "ip#tcp#udp#sctp#outer-ip"); + proto, "ip#tcp#udp#sctp#outer-ip#outer-udp"); cmdline_parse_token_string_t cmd_csum_hwsw = TOKEN_STRING_INITIALIZER(struct cmd_csum_result, hwsw, "hw#sw"); @@ -4307,7 +4325,7 @@ cmdline_parse_token_num_t cmd_csum_portid = cmdline_parse_inst_t cmd_csum_set = { .f = cmd_csum_parsed, .data = NULL, - .help_str = "csum set ip|tcp|udp|sctp|outer-ip hw|sw : " + .help_str = "csum set ip|tcp|udp|sctp|outer-ip|outer-udp hw|sw : " "Enable/Disable hardware calculation of L3/L4 checksum when " "using csum forward engine", .tokens = { diff --git a/app/test-pmd/csumonly.c b/app/test-pmd/csumonly.c index 494829266..ea5b112d6 100644 --- a/app/test-pmd/csumonly.c +++ b/app/test-pmd/csumonly.c @@ -468,10 +468,15 @@ process_outer_cksums(void *outer_l3_hdr, struct testpmd_offload_info *info, if (info->outer_l4_proto != IPPROTO_UDP) return ol_flags; + /* Skip SW outer UDP checksum generation if HW supports it */ + if (tx_offloads & DEV_TX_OFFLOAD_OUTER_UDP_CKSUM) { + ol_flags |= PKT_TX_OUTER_UDP_CKSUM; + return ol_flags; + } + udp_hdr = (struct udp_hdr *)((char *)outer_l3_hdr + info->outer_l3_len); - /* outer UDP checksum is done in software as we have no hardware - * supporting it today, and no API for it. In the other side, for + /* outer UDP checksum is done in software. In the other side, for * UDP tunneling, like VXLAN or Geneve, outer UDP checksum can be * set to zero. * @@ -826,6 +831,8 @@ pkt_burst_checksum_forward(struct fwd_stream *fs) if (info.tunnel_tso_segsz || (tx_offloads & DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM) || + (tx_offloads & + DEV_TX_OFFLOAD_OUTER_UDP_CKSUM) || (tx_ol_flags & PKT_TX_OUTER_IPV6)) { m->outer_l2_len = info.outer_l2_len; m->outer_l3_len = info.outer_l3_len; @@ -898,6 +905,8 @@ pkt_burst_checksum_forward(struct fwd_stream *fs) if (info.is_tunnel == 1) { if ((tx_offloads & DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM) || + (tx_offloads & + DEV_TX_OFFLOAD_OUTER_UDP_CKSUM) || (tx_ol_flags & PKT_TX_OUTER_IPV6)) printf("tx: m->outer_l2_len=%d " "m->outer_l3_len=%d\n", diff --git a/doc/guides/testpmd_app_ug/testpmd_funcs.rst b/doc/guides/testpmd_app_ug/testpmd_funcs.rst index 3a73000a6..cfcabf6f0 100644 --- a/doc/guides/testpmd_app_ug/testpmd_funcs.rst +++ b/doc/guides/testpmd_app_ug/testpmd_funcs.rst @@ -857,7 +857,7 @@ csum set Select hardware or software calculation of the checksum when transmitting a packet using the ``csum`` forwarding engine:: - testpmd> csum set (ip|udp|tcp|sctp|outer-ip) (hw|sw) (port_id) + testpmd> csum set (ip|udp|tcp|sctp|outer-ip|outer-udp) (hw|sw) (port_id) Where: @@ -867,6 +867,10 @@ Where: as a tunnel packet by the forwarding engine (vxlan, gre and ipip are supported). See also the ``csum parse-tunnel`` command. +* ``outer-udp`` relates to the outer UDP layer in the case where the packet is recognized + as a tunnel packet by the forwarding engine (vxlan, vxlan-gpe are + supported). See also the ``csum parse-tunnel`` command. + .. note:: Check the NIC Datasheet for hardware limits. @@ -940,7 +944,7 @@ Consider a packet in packet like the following:: * If parse-tunnel is enabled, the ``ip|udp|tcp|sctp`` parameters of ``csum set`` command relate to the inner headers (here ``ipv4_in`` and ``tcp_in``), and the - ``outer-ip parameter`` relates to the outer headers (here ``ipv4_out``). + ``outer-ip|outer-udp`` parameter relates to the outer headers (here ``ipv4_out`` and ``udp_out``). * If parse-tunnel is disabled, the ``ip|udp|tcp|sctp`` parameters of ``csum set`` command relate to the outer headers, here ``ipv4_out`` and ``udp_out``. 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Signed-off-by: Jerin Jacob Reviewed-by: Andrew Rybchenko --- v2: - added PKT_RX_EL4_CKSUM_BAD statistics --- app/test-pmd/csumonly.c | 6 ++++++ app/test-pmd/testpmd.c | 22 +++++++++++++++++----- app/test-pmd/testpmd.h | 4 ++++ 3 files changed, 27 insertions(+), 5 deletions(-) diff --git a/app/test-pmd/csumonly.c b/app/test-pmd/csumonly.c index ea5b112d6..eeda3e9d8 100644 --- a/app/test-pmd/csumonly.c +++ b/app/test-pmd/csumonly.c @@ -701,6 +701,7 @@ pkt_burst_checksum_forward(struct fwd_stream *fs) uint32_t retry; uint32_t rx_bad_ip_csum; uint32_t rx_bad_l4_csum; + uint32_t rx_bad_outer_l4_csum; struct testpmd_offload_info info; uint16_t nb_segments = 0; int ret; @@ -726,6 +727,7 @@ pkt_burst_checksum_forward(struct fwd_stream *fs) fs->rx_packets += nb_rx; rx_bad_ip_csum = 0; rx_bad_l4_csum = 0; + rx_bad_outer_l4_csum = 0; gro_enable = gro_ports[fs->rx_port].enable; txp = &ports[fs->tx_port]; @@ -753,6 +755,9 @@ pkt_burst_checksum_forward(struct fwd_stream *fs) rx_bad_ip_csum += 1; if ((rx_ol_flags & PKT_RX_L4_CKSUM_MASK) == PKT_RX_L4_CKSUM_BAD) rx_bad_l4_csum += 1; + if (rx_ol_flags & PKT_RX_EL4_CKSUM_BAD) + rx_bad_outer_l4_csum += 1; + /* step 1: dissect packet, parsing optional vlan, ip4/ip6, vxlan * and inner headers */ @@ -991,6 +996,7 @@ pkt_burst_checksum_forward(struct fwd_stream *fs) fs->tx_packets += nb_tx; fs->rx_bad_ip_csum += rx_bad_ip_csum; fs->rx_bad_l4_csum += rx_bad_l4_csum; + fs->rx_bad_outer_l4_csum += rx_bad_outer_l4_csum; #ifdef RTE_TEST_PMD_RECORD_BURST_STATS fs->tx_burst_stats.pkt_burst_spread[nb_tx]++; diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c index 001f0e552..7db839053 100644 --- a/app/test-pmd/testpmd.c +++ b/app/test-pmd/testpmd.c @@ -1040,8 +1040,9 @@ fwd_port_stats_display(portid_t port_id, struct rte_eth_stats *stats) (uint64_t) (stats->ipackets + stats->imissed)); if (cur_fwd_eng == &csum_fwd_engine) - printf(" Bad-ipcsum: %-14"PRIu64" Bad-l4csum: %-14"PRIu64" \n", - port->rx_bad_ip_csum, port->rx_bad_l4_csum); + printf(" Bad-ipcsum: %-14"PRIu64" Bad-l4csum: %-14"PRIu64"Bad-outer-l4csum: %-14"PRIu64"\n", + port->rx_bad_ip_csum, port->rx_bad_l4_csum, + port->rx_bad_outer_l4_csum); if ((stats->ierrors + stats->rx_nombuf) > 0) { printf(" RX-error: %-"PRIu64"\n", stats->ierrors); printf(" RX-nombufs: %-14"PRIu64"\n", stats->rx_nombuf); @@ -1059,8 +1060,9 @@ fwd_port_stats_display(portid_t port_id, struct rte_eth_stats *stats) (uint64_t) (stats->ipackets + stats->imissed)); if (cur_fwd_eng == &csum_fwd_engine) - printf(" Bad-ipcsum:%14"PRIu64" Bad-l4csum:%14"PRIu64"\n", - port->rx_bad_ip_csum, port->rx_bad_l4_csum); + printf(" Bad-ipcsum:%14"PRIu64" Bad-l4csum:%14"PRIu64" Bad-outer-l4csum: %-14"PRIu64"\n", + port->rx_bad_ip_csum, port->rx_bad_l4_csum, + port->rx_bad_outer_l4_csum); if ((stats->ierrors + stats->rx_nombuf) > 0) { printf(" RX-error:%"PRIu64"\n", stats->ierrors); printf(" RX-nombufs: %14"PRIu64"\n", @@ -1124,7 +1126,9 @@ fwd_stream_stats_display(streamid_t stream_id) /* if checksum mode */ if (cur_fwd_eng == &csum_fwd_engine) { printf(" RX- bad IP checksum: %-14u Rx- bad L4 checksum: " - "%-14u\n", fs->rx_bad_ip_csum, fs->rx_bad_l4_csum); + "%-14u Rx- bad outer L4 checksum: %-14u\n", + fs->rx_bad_ip_csum, fs->rx_bad_l4_csum, + fs->rx_bad_outer_l4_csum); } #ifdef RTE_TEST_PMD_RECORD_BURST_STATS @@ -1378,6 +1382,7 @@ start_packet_forwarding(int with_tx_first) fwd_streams[sm_id]->fwd_dropped = 0; fwd_streams[sm_id]->rx_bad_ip_csum = 0; fwd_streams[sm_id]->rx_bad_l4_csum = 0; + fwd_streams[sm_id]->rx_bad_outer_l4_csum = 0; #ifdef RTE_TEST_PMD_RECORD_BURST_STATS memset(&fwd_streams[sm_id]->rx_burst_stats, 0, @@ -1427,6 +1432,7 @@ stop_packet_forwarding(void) uint64_t tx_dropped; uint64_t rx_bad_ip_csum; uint64_t rx_bad_l4_csum; + uint64_t rx_bad_outer_l4_csum; #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES uint64_t fwd_cycles; #endif @@ -1482,6 +1488,12 @@ stop_packet_forwarding(void) fwd_streams[sm_id]->rx_bad_l4_csum); ports[fwd_streams[sm_id]->rx_port].rx_bad_l4_csum = rx_bad_l4_csum; + rx_bad_outer_l4_csum = + ports[fwd_streams[sm_id]->rx_port].rx_bad_outer_l4_csum; + rx_bad_outer_l4_csum = (uint64_t) (rx_bad_outer_l4_csum + + fwd_streams[sm_id]->rx_bad_outer_l4_csum); + ports[fwd_streams[sm_id]->rx_port].rx_bad_outer_l4_csum = + rx_bad_outer_l4_csum; #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES fwd_cycles = (uint64_t) (fwd_cycles + diff --git a/app/test-pmd/testpmd.h b/app/test-pmd/testpmd.h index a1f661472..106aeefc2 100644 --- a/app/test-pmd/testpmd.h +++ b/app/test-pmd/testpmd.h @@ -112,6 +112,8 @@ struct fwd_stream { unsigned int fwd_dropped; /**< received packets not forwarded */ unsigned int rx_bad_ip_csum ; /**< received packets has bad ip checksum */ unsigned int rx_bad_l4_csum ; /**< received packets has bad l4 checksum */ + unsigned int rx_bad_outer_l4_csum; + /**< received packets has bad outer l4 checksum */ unsigned int gro_times; /**< GRO operation times */ #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES uint64_t core_cycles; /**< used for RX and TX processing */ @@ -165,6 +167,8 @@ struct rte_port { void *fwd_ctx; /**< Forwarding mode context */ uint64_t rx_bad_ip_csum; /**< rx pkts with bad ip checksum */ uint64_t rx_bad_l4_csum; /**< rx pkts with bad l4 checksum */ + uint64_t rx_bad_outer_l4_csum; + /**< rx pkts with bad outer l4 checksum */ uint8_t tx_queue_stats_mapping_enabled; uint8_t rx_queue_stats_mapping_enabled; volatile uint16_t port_status; /**< port started or not */