From patchwork Thu Sep 21 10:08:27 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sunil Kumar Kori X-Patchwork-Id: 131770 X-Patchwork-Delegate: thomas@monjalon.net Return-Path: X-Original-To: patchwork@inbox.dpdk.org Delivered-To: patchwork@inbox.dpdk.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 1D190425CD; Thu, 21 Sep 2023 12:09:39 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 68AE240E01; Thu, 21 Sep 2023 12:09:00 +0200 (CEST) Received: from mx0b-0016f401.pphosted.com (mx0b-0016f401.pphosted.com [67.231.156.173]) by mails.dpdk.org (Postfix) with ESMTP id EF53840DF8 for ; Thu, 21 Sep 2023 12:08:55 +0200 (CEST) Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 38L7PKvR008644 for ; Thu, 21 Sep 2023 03:08:55 -0700 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marvell.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=pfpt0220; bh=bOnJeXqA/pJg5AkUZu40tE/ejJXFDFsTY2Ix+yM8u8w=; b=DoKGtajjstCdrIDlJyb70GlpYe0MlrWIjdF7qQ3UknkUM2nrTAF/HUTZ6J6mVKSGIWWC wETNnr35NiMhsEiB4lnXn1th/EJcRDW0p4ycSYjZE16YpwZkPwZRTROq0aThGOLUoTmg rFeXbtjUqxSrsFb1otEqYI1NWUViA0jC8G3zYWNoSmTxPGklu1fv3lKHI3O2CORocX3x mayvr3Mm7VhaUNZjoVfaBVKgfcZHAMBwpEcJzaUNbnh2BicTd8SkwPkkK4LA4N3cdHE7 xAh0FeY5il0T0eH95xx8vwM7/eI/lnZEJgmZaQV5U2idhKpUdqBrxX1GGx0fqqWbxcGP 5Q== Received: from dc5-exch01.marvell.com ([199.233.59.181]) by mx0b-0016f401.pphosted.com (PPS) with ESMTPS id 3t85pttqe0-3 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT) for ; Thu, 21 Sep 2023 03:08:55 -0700 Received: from DC5-EXCH02.marvell.com (10.69.176.39) by DC5-EXCH01.marvell.com (10.69.176.38) with Microsoft SMTP Server (TLS) id 15.0.1497.48; Thu, 21 Sep 2023 03:08:51 -0700 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server id 15.0.1497.48 via Frontend Transport; Thu, 21 Sep 2023 03:08:51 -0700 Received: from localhost.localdomain (unknown [10.28.34.25]) by maili.marvell.com (Postfix) with ESMTP id 7B9DA5B6942; Thu, 21 Sep 2023 03:08:50 -0700 (PDT) From: To: Sunil Kumar Kori , Rakesh Kudurumalla CC: Subject: [PATCH v5 07/12] app/graph: add ipv6_lookup command line interfaces Date: Thu, 21 Sep 2023 15:38:27 +0530 Message-ID: <20230921100832.2036256-8-skori@marvell.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230921100832.2036256-1-skori@marvell.com> References: <20230919160455.1678716-1-skori@marvell.com> <20230921100832.2036256-1-skori@marvell.com> MIME-Version: 1.0 X-Proofpoint-GUID: qN7ysms3y0RzMWz54OWneJnfWGgxMoY5 X-Proofpoint-ORIG-GUID: qN7ysms3y0RzMWz54OWneJnfWGgxMoY5 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.980,Hydra:6.0.601,FMLib:17.11.176.26 definitions=2023-09-21_06,2023-09-20_01,2023-05-22_02 X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org From: Rakesh Kudurumalla It adds ipv6_lookup module to configure LPM6 table. This LPM6 table will be used for IPv6 lookup and forwarding. Following commands are exposed: - ipv6_lookup route add ipv6 netmask via - help ipv6_lookup Signed-off-by: Sunil Kumar Kori Signed-off-by: Rakesh Kudurumalla --- app/graph/cli.c | 2 + app/graph/ethdev.c | 1 + app/graph/ip6_route.c | 210 +++++++++++++++++++++++++++++++++++++ app/graph/meson.build | 1 + app/graph/route.h | 14 +++ doc/guides/tools/graph.rst | 9 ++ 6 files changed, 237 insertions(+) create mode 100644 app/graph/ip6_route.c diff --git a/app/graph/cli.c b/app/graph/cli.c index 430750db6e..7213a91ad2 100644 --- a/app/graph/cli.c +++ b/app/graph/cli.c @@ -32,6 +32,8 @@ cmdline_parse_ctx_t modules_ctx[] = { (cmdline_parse_inst_t *)ðdev_help_cmd_ctx, (cmdline_parse_inst_t *)&ipv4_lookup_cmd_ctx, (cmdline_parse_inst_t *)&ipv4_lookup_help_cmd_ctx, + (cmdline_parse_inst_t *)&ipv6_lookup_cmd_ctx, + (cmdline_parse_inst_t *)&ipv6_lookup_help_cmd_ctx, NULL, }; diff --git a/app/graph/ethdev.c b/app/graph/ethdev.c index cb29c9054d..0a4eb7be4f 100644 --- a/app/graph/ethdev.c +++ b/app/graph/ethdev.c @@ -161,6 +161,7 @@ ethdev_stop(void) ethdev_list_clean(); route_ip4_list_clean(); + route_ip6_list_clean(); printf("Bye...\n"); } diff --git a/app/graph/ip6_route.c b/app/graph/ip6_route.c new file mode 100644 index 0000000000..93c2c967aa --- /dev/null +++ b/app/graph/ip6_route.c @@ -0,0 +1,210 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2023 Marvell. + */ + +#include +#include +#include +#include +#include +#include +#include + +#include + +#include "module_api.h" +#include "route_priv.h" + +static const char +cmd_ipv6_lookup_help[] = "ipv6_lookup route add ipv6 netmask via "; + +struct ip6_route route6 = TAILQ_HEAD_INITIALIZER(route6); + +void +route_ip6_list_clean(void) +{ + struct route_ipv6_config *route; + + while (!TAILQ_EMPTY(&route6)) { + route = TAILQ_FIRST(&route6); + TAILQ_REMOVE(&route6, route, next); + } +} + +static struct route_ipv6_config * +find_route6_entry(struct route_ipv6_config *route) +{ + struct route_ipv6_config *ipv6route; + + TAILQ_FOREACH(ipv6route, &route6, next) { + if (!memcmp(ipv6route, route, sizeof(*route))) + return ipv6route; + } + return NULL; +} + +static uint8_t +convert_ip6_netmask_to_depth(uint8_t *netmask) +{ + uint8_t setbits = 0; + uint8_t mask; + int i; + + for (i = 0; i < ETHDEV_IPV6_ADDR_LEN; i++) { + mask = netmask[i]; + while (mask & 0x80) { + mask = mask << 1; + setbits++; + } + } + + return setbits; +} + +static int +route_ip6_add(struct route_ipv6_config *route) +{ + int j; + + struct route_ipv6_config *ipv6route; + + ipv6route = find_route6_entry(route); + if (!ipv6route) { + ipv6route = malloc(sizeof(struct route_ipv6_config)); + if (!ipv6route) + return -ENOMEM; + } else { + return 0; + } + + for (j = 0; j < ETHDEV_IPV6_ADDR_LEN; j++) { + ipv6route->ip[j] = route->ip[j]; + ipv6route->mask[j] = route->mask[j]; + ipv6route->gateway[j] = route->gateway[j]; + } + ipv6route->is_used = true; + + return 0; +} + +int +route_ip6_add_to_lookup(void) +{ + struct route_ipv6_config *route = NULL; + int rc = -EINVAL; + uint8_t depth; + int portid; + + TAILQ_FOREACH(route, &route6, next) { + + portid = ethdev_portid_by_ip6(route->gateway, route->mask); + if (portid < 0) { + printf("Invalid portid found to install the route\n"); + return rc; + } + depth = convert_ip6_netmask_to_depth(route->mask); + + rc = rte_node_ip6_route_add(route->ip, depth, portid, + RTE_NODE_IP6_LOOKUP_NEXT_REWRITE); + if (rc < 0) + return rc; + } + + return 0; +} + +static void +cli_ipv6_lookup_help(__rte_unused void *parsed_result, __rte_unused struct cmdline *cl, + __rte_unused void *data) +{ + size_t len; + + len = strlen(conn->msg_out); + conn->msg_out += len; + snprintf(conn->msg_out, conn->msg_out_len_max, "\n%s\n%s\n", + "--------------------------- ipv6_lookup command help ---------------------------", + cmd_ipv6_lookup_help); + + len = strlen(conn->msg_out); + conn->msg_out_len_max -= len; +} + +static void +cli_ipv6_lookup(void *parsed_result, __rte_unused struct cmdline *cl, void *data __rte_unused) +{ + struct ip6_lookup_cmd_tokens *res = parsed_result; + struct route_ipv6_config config; + int rc = -EINVAL; + + if (parser_ip6_read(config.ip, res->ip)) { + printf(MSG_ARG_INVALID, "ipv6"); + return; + } + + if (parser_ip6_read(config.mask, res->mask)) { + printf(MSG_ARG_INVALID, "netmask"); + return; + } + + if (parser_ip6_read(config.gateway, res->via_ip)) { + printf(MSG_ARG_INVALID, "gateway ip"); + return; + } + + rc = route_ip6_add(&config); + if (rc) + printf(MSG_CMD_FAIL, res->cmd); +} + +cmdline_parse_token_string_t ip6_lookup_cmd = + TOKEN_STRING_INITIALIZER(struct ip6_lookup_cmd_tokens, cmd, "ipv6_lookup"); +cmdline_parse_token_string_t ip6_lookup_route = + TOKEN_STRING_INITIALIZER(struct ip6_lookup_cmd_tokens, route, "route"); +cmdline_parse_token_string_t ip6_lookup_add = + TOKEN_STRING_INITIALIZER(struct ip6_lookup_cmd_tokens, add, "add"); +cmdline_parse_token_string_t ip6_lookup_ip6 = + TOKEN_STRING_INITIALIZER(struct ip6_lookup_cmd_tokens, ip6, "ipv6"); +cmdline_parse_token_string_t ip6_lookup_ip = + TOKEN_STRING_INITIALIZER(struct ip6_lookup_cmd_tokens, ip, NULL); +cmdline_parse_token_string_t ip6_lookup_netmask = + TOKEN_STRING_INITIALIZER(struct ip6_lookup_cmd_tokens, netmask, "netmask"); +cmdline_parse_token_string_t ip6_lookup_mask = + TOKEN_STRING_INITIALIZER(struct ip6_lookup_cmd_tokens, mask, NULL); +cmdline_parse_token_string_t ip6_lookup_via = + TOKEN_STRING_INITIALIZER(struct ip6_lookup_cmd_tokens, via, "via"); +cmdline_parse_token_string_t ip6_lookup_via_ip = + TOKEN_STRING_INITIALIZER(struct ip6_lookup_cmd_tokens, via_ip, NULL); + +cmdline_parse_inst_t ipv6_lookup_cmd_ctx = { + .f = cli_ipv6_lookup, + .data = NULL, + .help_str = cmd_ipv6_lookup_help, + .tokens = { + (void *)&ip6_lookup_cmd, + (void *)&ip6_lookup_route, + (void *)&ip6_lookup_add, + (void *)&ip6_lookup_ip6, + (void *)&ip6_lookup_ip, + (void *)&ip6_lookup_netmask, + (void *)&ip6_lookup_mask, + (void *)&ip6_lookup_via, + (void *)&ip6_lookup_via_ip, + NULL, + }, +}; + +cmdline_parse_token_string_t ipv6_lookup_help_cmd = + TOKEN_STRING_INITIALIZER(struct ipv6_lookup_help_cmd_tokens, cmd, "help"); +cmdline_parse_token_string_t ipv6_lookup_help_module = + TOKEN_STRING_INITIALIZER(struct ipv6_lookup_help_cmd_tokens, module, "ipv6_lookup"); + +cmdline_parse_inst_t ipv6_lookup_help_cmd_ctx = { + .f = cli_ipv6_lookup_help, + .data = NULL, + .help_str = "", + .tokens = { + (void *)&ipv6_lookup_help_cmd, + (void *)&ipv6_lookup_help_module, + NULL, + }, +}; diff --git a/app/graph/meson.build b/app/graph/meson.build index b993d6375f..6841a25eb6 100644 --- a/app/graph/meson.build +++ b/app/graph/meson.build @@ -13,6 +13,7 @@ sources = files( 'conn.c', 'ethdev.c', 'ip4_route.c', + 'ip6_route.c', 'main.c', 'mempool.c', 'utils.c', diff --git a/app/graph/route.h b/app/graph/route.h index a44d401d55..0d271d1350 100644 --- a/app/graph/route.h +++ b/app/graph/route.h @@ -8,7 +8,9 @@ #define MAX_ROUTE_ENTRIES 32 extern cmdline_parse_inst_t ipv4_lookup_cmd_ctx; +extern cmdline_parse_inst_t ipv6_lookup_cmd_ctx; extern cmdline_parse_inst_t ipv4_lookup_help_cmd_ctx; +extern cmdline_parse_inst_t ipv6_lookup_help_cmd_ctx; struct route_ipv4_config { TAILQ_ENTRY(route_ipv4_config) next; @@ -20,7 +22,19 @@ struct route_ipv4_config { TAILQ_HEAD(ip4_route, route_ipv4_config); +struct route_ipv6_config { + TAILQ_ENTRY(route_ipv6_config) next; + uint8_t ip[16]; + uint8_t mask[16]; + uint8_t gateway[16]; + bool is_used; +}; + +TAILQ_HEAD(ip6_route, route_ipv6_config); + int route_ip4_add_to_lookup(void); +int route_ip6_add_to_lookup(void); void route_ip4_list_clean(void); +void route_ip6_list_clean(void); #endif diff --git a/doc/guides/tools/graph.rst b/doc/guides/tools/graph.rst index e2b4a3dfd5..0782eb3461 100644 --- a/doc/guides/tools/graph.rst +++ b/doc/guides/tools/graph.rst @@ -133,6 +133,15 @@ file to express the requested use case configuration. - Command to dump ipv4_lookup help message - Yes - Yes + * - ipv6_lookup route add ipv6 netmask via + - Command to add a route into ``ipv6_lookup`` LPM table. It is needed if user + wishes to route the packets based on LPM6 lookup table. + - No + - Yes + * - help ipv6_lookup + - Command to dump ipv6_lookup help message + - Yes + - Yes Runtime configuration ---------------------