From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id 1E724A0517; Wed, 10 Jun 2020 11:09:30 +0200 (CEST) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id 5AEB11DB8; Wed, 10 Jun 2020 11:09:29 +0200 (CEST) Received: from mx0b-0016f401.pphosted.com (mx0b-0016f401.pphosted.com [67.231.156.173]) by dpdk.org (Postfix) with ESMTP id 794CE1D9E for ; Wed, 10 Jun 2020 11:09:28 +0200 (CEST) Received: from pps.filterd (m0045851.ppops.net [127.0.0.1]) by mx0b-0016f401.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 05A966QW010857; Wed, 10 Jun 2020 02:09:27 -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-type; s=pfpt0818; bh=KuOfWew3t6+U8I1njJfMeC9D3o/olKpO96zHueMEqBk=; b=mPWyA0ZTRhQR1ScuM5I0Mo/WRA5wc9zAlNOoIy59u/+OsvmxwlUFSkSZh7tcsp+z3qO8 gMCRWUL6FrP8EAI5g1zPR/SlNzYLb/2cFiPmgBUfzEIH9fMWcKWvH8a+3uG5xLxn3Oqw xMVmMM1B9PPO89wNhb0UyHNTGf1OFcX9SEcSKbkBMDia3psWtW9varZJn93HlBapsWL6 qY1ISBOpEMYVrQx34ZCOfStcOnv70iiwqA0fRviVG6Rjqm0tDNa8KIgZCVlk+PYq24r9 Lx53R5bskXw34DijziCS47JVMrsymCiZOt2oca5m+jLtzhEXYg5YuqNyFrgP2JFl5Ewc HQ== Received: from sc-exch04.marvell.com ([199.233.58.184]) by mx0b-0016f401.pphosted.com with ESMTP id 31gannd2tj-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-SHA384 bits=256 verify=NOT); Wed, 10 Jun 2020 02:09:27 -0700 Received: from DC5-EXCH02.marvell.com (10.69.176.39) by SC-EXCH04.marvell.com (10.93.176.84) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 10 Jun 2020 02:09:25 -0700 Received: from maili.marvell.com (10.69.176.80) by DC5-EXCH02.marvell.com (10.69.176.39) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 10 Jun 2020 02:09:25 -0700 Received: from hyd1349.t110.caveonetworks.com (unknown [10.29.45.13]) by maili.marvell.com (Postfix) with ESMTP id 5B6E23F7040; Wed, 10 Jun 2020 02:09:23 -0700 (PDT) From: Ankur Dwivedi To: CC: , , , , , Date: Wed, 10 Jun 2020 14:38:56 +0530 Message-ID: <1591780136-15113-1-git-send-email-adwivedi@marvell.com> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1591779663-15069-1-git-send-email-adwivedi@marvell.com> References: <1591779663-15069-1-git-send-email-adwivedi@marvell.com> MIME-Version: 1.0 Content-Type: text/plain X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.216, 18.0.687 definitions=2020-06-10_04:2020-06-10, 2020-06-10 signatures=0 Subject: [dpdk-dev] [PATCH v2] examples/ipsec-secgw: enable rte_flow based packet distribution X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" From: Anoob Joseph RTE_FLOW API allows hardware parsing and steering of packets to specific queues which helps in distributing ingress traffic across various cores. Adding 'flow' rules allows user to specify the distribution required. Signed-off-by: Anoob Joseph --- v2: * Removed Change-Id doc/guides/sample_app_ug/ipsec_secgw.rst | 78 ++++++++- examples/ipsec-secgw/Makefile | 1 + examples/ipsec-secgw/flow.c | 285 +++++++++++++++++++++++++++++++ examples/ipsec-secgw/flow.h | 15 ++ examples/ipsec-secgw/ipsec-secgw.c | 3 + examples/ipsec-secgw/ipsec-secgw.h | 7 + examples/ipsec-secgw/ipsec.h | 7 - examples/ipsec-secgw/meson.build | 15 +- examples/ipsec-secgw/parser.c | 46 +++++ examples/ipsec-secgw/parser.h | 7 +- 10 files changed, 450 insertions(+), 14 deletions(-) create mode 100644 examples/ipsec-secgw/flow.c create mode 100644 examples/ipsec-secgw/flow.h diff --git a/doc/guides/sample_app_ug/ipsec_secgw.rst b/doc/guides/sample_app_ug/ipsec_secgw.rst index 81c5d43..434f484 100644 --- a/doc/guides/sample_app_ug/ipsec_secgw.rst +++ b/doc/guides/sample_app_ug/ipsec_secgw.rst @@ -348,7 +348,7 @@ Configurations -------------- The following sections provide the syntax of configurations to initialize -your SP, SA, Routing and Neighbour tables. +your SP, SA, Routing, Flow and Neighbour tables. Configurations shall be specified in the configuration file to be passed to the application. The file is then parsed by the application. The successful parsing will result in the appropriate rules being applied to the tables @@ -369,7 +369,7 @@ General rule syntax The parse treats one line in the configuration file as one configuration item (unless the line concatenation symbol exists). Every configuration -item shall follow the syntax of either SP, SA, Routing or Neighbour +item shall follow the syntax of either SP, SA, Routing, Flow or Neighbour rules specified below. The configuration parser supports the following special symbols: @@ -808,6 +808,80 @@ Example SP rules: rt ipv6 dst 1111:1111:1111:1111:1111:1111:1111:5555/116 port 0 +Flow rule syntax +^^^^^^^^^^^^^^^^ + +Flow rule enables the usage of hardware classification capabilities to match specific +ingress traffic and redirect the packets to the specified queue. This feature is +optional and relies on hardware ``rte_flow`` support. + +The flow rule syntax is shown as follows: + +.. code-block:: console + + flow + + +where each options means: + +```` + + * IP protocol version + + * Optional: No + + * Available options: + + * *ipv4*: IP protocol version 4 + * *ipv6*: IP protocol version 6 + +```` + + * The source IP address and mask + + * Optional: Yes, default address 0.0.0.0 and mask of 0 will be used + + * Syntax: + + * *src X.X.X.X/Y* for IPv4 + * *src XXXX:XXXX:XXXX:XXXX:XXXX:XXXX:XXXX:XXXX/Y* for IPv6 + +```` + + * The destination IP address and mask + + * Optional: Yes, default address 0.0.0.0 and mask of 0 will be used + + * Syntax: + + * *dst X.X.X.X/Y* for IPv4 + * *dst XXXX:XXXX:XXXX:XXXX:XXXX:XXXX:XXXX:XXXX/Y* for IPv6 + +```` + + * The traffic input port id + + * Optional: yes, default input port 0 will be used + + * Syntax: *port X* + +```` + + * The traffic input queue id + + * Optional: yes, default input queue 0 will be used + + * Syntax: *queue X* + +Example flow rules: + +.. code-block:: console + + flow ipv4 dst 172.16.1.5/32 port 0 queue 0 + + flow ipv6 dst 1111:1111:1111:1111:1111:1111:1111:5555/116 port 1 queue 0 + + Neighbour rule syntax ^^^^^^^^^^^^^^^^^^^^^ diff --git a/examples/ipsec-secgw/Makefile b/examples/ipsec-secgw/Makefile index c4a272a..dbae152 100644 --- a/examples/ipsec-secgw/Makefile +++ b/examples/ipsec-secgw/Makefile @@ -18,6 +18,7 @@ SRCS-y += ipsec_process.c SRCS-y += ipsec-secgw.c SRCS-y += ipsec_worker.c SRCS-y += event_helper.c +SRCS-y += flow.c CFLAGS += -gdwarf-2 diff --git a/examples/ipsec-secgw/flow.c b/examples/ipsec-secgw/flow.c new file mode 100644 index 0000000..69f8405 --- /dev/null +++ b/examples/ipsec-secgw/flow.c @@ -0,0 +1,285 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright (C) 2020 Marvell International Ltd. + */ + +#include + +#include +#include +#include + +#include "flow.h" +#include "ipsec-secgw.h" +#include "parser.h" + +#define FLOW_RULES_MAX 128 + +struct flow_rule_entry { + uint8_t is_ipv4; + RTE_STD_C11 + union { + struct { + struct rte_flow_item_ipv4 spec; + struct rte_flow_item_ipv4 mask; + } ipv4; + struct { + struct rte_flow_item_ipv6 spec; + struct rte_flow_item_ipv6 mask; + } ipv6; + }; + uint16_t port; + uint16_t queue; + struct rte_flow *flow; +} flow_rule_tbl[FLOW_RULES_MAX]; + +int nb_flow_rule; + +static void +ipv4_hdr_print(struct rte_ipv4_hdr *hdr) +{ + char a, b, c, d; + + uint32_t_to_char(rte_bswap32(hdr->src_addr), &a, &b, &c, &d); + printf("src: %3hhu.%3hhu.%3hhu.%3hhu \t", a, b, c, d); + + uint32_t_to_char(rte_bswap32(hdr->dst_addr), &a, &b, &c, &d); + printf("dst: %3hhu.%3hhu.%3hhu.%3hhu", a, b, c, d); +} + +static int +ipv4_addr_cpy(rte_be32_t *spec, rte_be32_t *mask, char *token, + struct parse_status *status) +{ + struct in_addr ip; + uint32_t depth; + + APP_CHECK(parse_ipv4_addr(token, &ip, &depth) == 0, status, + "unrecognized input \"%s\", expect valid ipv4 addr", token); + if (status->status < 0) + return -1; + + if (depth > 32) + return -1; + + memcpy(mask, &rte_flow_item_ipv4_mask.hdr.src_addr, sizeof(ip)); + + *spec = ip.s_addr; + if (depth < 32) + *mask = *mask << (32-depth); + + return 0; +} + +static void +ipv6_hdr_print(struct rte_ipv6_hdr *hdr) +{ + uint8_t *addr; + + addr = hdr->src_addr; + printf("src: %4hx:%4hx:%4hx:%4hx:%4hx:%4hx:%4hx:%4hx \t", + (uint16_t)((addr[0] << 8) | addr[1]), + (uint16_t)((addr[2] << 8) | addr[3]), + (uint16_t)((addr[4] << 8) | addr[5]), + (uint16_t)((addr[6] << 8) | addr[7]), + (uint16_t)((addr[8] << 8) | addr[9]), + (uint16_t)((addr[10] << 8) | addr[11]), + (uint16_t)((addr[12] << 8) | addr[13]), + (uint16_t)((addr[14] << 8) | addr[15])); + + addr = hdr->dst_addr; + printf("dst: %4hx:%4hx:%4hx:%4hx:%4hx:%4hx:%4hx:%4hx", + (uint16_t)((addr[0] << 8) | addr[1]), + (uint16_t)((addr[2] << 8) | addr[3]), + (uint16_t)((addr[4] << 8) | addr[5]), + (uint16_t)((addr[6] << 8) | addr[7]), + (uint16_t)((addr[8] << 8) | addr[9]), + (uint16_t)((addr[10] << 8) | addr[11]), + (uint16_t)((addr[12] << 8) | addr[13]), + (uint16_t)((addr[14] << 8) | addr[15])); +} + +static int +ipv6_addr_cpy(uint8_t *spec, uint8_t *mask, char *token, + struct parse_status *status) +{ + struct in6_addr ip; + uint32_t depth, i; + + APP_CHECK(parse_ipv6_addr(token, &ip, &depth) == 0, status, + "unrecognized input \"%s\", expect valid ipv6 address", token); + if (status->status < 0) + return -1; + + memcpy(mask, &rte_flow_item_ipv6_mask.hdr.src_addr, sizeof(ip)); + memcpy(spec, ip.s6_addr, sizeof(struct in6_addr)); + + for (i = 0; i < depth && (i%8 <= sizeof(struct in6_addr)); i++) + mask[i/8] &= ~(1 << (7-i%8)); + + return 0; +} + +void +parse_flow_tokens(char **tokens, uint32_t n_tokens, + struct parse_status *status) +{ + struct flow_rule_entry *rule; + uint32_t ti; + + if (nb_flow_rule >= FLOW_RULES_MAX) { + printf("Too many flow rules\n"); + return; + } + + rule = &flow_rule_tbl[nb_flow_rule]; + memset(rule, 0, sizeof(*rule)); + + if (strcmp(tokens[0], "ipv4") == 0) { + rule->is_ipv4 = 1; + } else if (strcmp(tokens[0], "ipv6") == 0) { + rule->is_ipv4 = 0; + } else { + APP_CHECK(0, status, "unrecognized input \"%s\"", tokens[0]); + return; + } + + for (ti = 1; ti < n_tokens; ti++) { + if (strcmp(tokens[ti], "src") == 0) { + INCREMENT_TOKEN_INDEX(ti, n_tokens, status); + if (status->status < 0) + return; + + if (rule->is_ipv4) { + if (ipv4_addr_cpy(&rule->ipv4.spec.hdr.src_addr, + &rule->ipv4.mask.hdr.src_addr, + tokens[ti], status)) + return; + } else { + if (ipv6_addr_cpy(rule->ipv6.spec.hdr.src_addr, + rule->ipv6.mask.hdr.src_addr, + tokens[ti], status)) + return; + } + } + if (strcmp(tokens[ti], "dst") == 0) { + INCREMENT_TOKEN_INDEX(ti, n_tokens, status); + if (status->status < 0) + return; + + if (rule->is_ipv4) { + if (ipv4_addr_cpy(&rule->ipv4.spec.hdr.dst_addr, + &rule->ipv4.mask.hdr.dst_addr, + tokens[ti], status)) + return; + } else { + if (ipv6_addr_cpy(rule->ipv6.spec.hdr.dst_addr, + rule->ipv6.mask.hdr.dst_addr, + tokens[ti], status)) + return; + } + } + + if (strcmp(tokens[ti], "port") == 0) { + INCREMENT_TOKEN_INDEX(ti, n_tokens, status); + if (status->status < 0) + return; + APP_CHECK_TOKEN_IS_NUM(tokens, ti, status); + if (status->status < 0) + return; + + rule->port = atoi(tokens[ti]); + + INCREMENT_TOKEN_INDEX(ti, n_tokens, status); + if (status->status < 0) + return; + APP_CHECK_TOKEN_IS_NUM(tokens, ti, status); + if (status->status < 0) + return; + + rule->queue = atoi(tokens[ti]); + } + } + + nb_flow_rule++; +} + +#define MAX_RTE_FLOW_PATTERN (3) +#define MAX_RTE_FLOW_ACTIONS (2) + +static void +flow_init_single(struct flow_rule_entry *rule) +{ + struct rte_flow_item pattern[MAX_RTE_FLOW_PATTERN] = {}; + struct rte_flow_action action[MAX_RTE_FLOW_ACTIONS] = {}; + struct rte_flow_attr attr = {}; + struct rte_flow_error err; + int ret; + + attr.egress = 0; + attr.ingress = 1; + + action[0].type = RTE_FLOW_ACTION_TYPE_QUEUE; + action[0].conf = &(struct rte_flow_action_queue) { + .index = rule->queue, + }; + action[1].type = RTE_FLOW_ACTION_TYPE_END; + + pattern[0].type = RTE_FLOW_ITEM_TYPE_ETH; + + if (rule->is_ipv4) { + pattern[1].type = RTE_FLOW_ITEM_TYPE_IPV4; + pattern[1].spec = &rule->ipv4.spec; + pattern[1].mask = &rule->ipv4.mask; + } else { + pattern[1].type = RTE_FLOW_ITEM_TYPE_IPV6; + pattern[1].spec = &rule->ipv6.spec; + pattern[1].mask = &rule->ipv6.mask; + } + + pattern[2].type = RTE_FLOW_ITEM_TYPE_END; + + ret = rte_flow_validate(rule->port, &attr, pattern, action, &err); + if (ret < 0) { + RTE_LOG(ERR, IPSEC, "Flow validation failed %s\n", err.message); + return; + } + + rule->flow = rte_flow_create(rule->port, &attr, pattern, action, &err); + if (rule->flow == NULL) + RTE_LOG(ERR, IPSEC, "Flow creation return %s\n", err.message); +} + +void +flow_init(void) +{ + struct flow_rule_entry *rule; + int i; + + for (i = 0; i < nb_flow_rule; i++) { + rule = &flow_rule_tbl[i]; + flow_init_single(rule); + } + + for (i = 0; i < nb_flow_rule; i++) { + rule = &flow_rule_tbl[i]; + if (rule->is_ipv4) { + printf("Flow #%3d: spec ipv4 ", i); + ipv4_hdr_print(&rule->ipv4.spec.hdr); + printf("\n"); + printf(" mask ipv4 "); + ipv4_hdr_print(&rule->ipv4.mask.hdr); + } else { + printf("Flow #%3d: spec ipv6 ", i); + ipv6_hdr_print(&rule->ipv6.spec.hdr); + printf("\n"); + printf(" mask ipv6 "); + ipv6_hdr_print(&rule->ipv6.mask.hdr); + } + + printf("\tPort: %d, Queue: %d", rule->port, rule->queue); + + if (rule->flow == NULL) + printf(" [UNSUPPORTED]"); + printf("\n"); + } +} diff --git a/examples/ipsec-secgw/flow.h b/examples/ipsec-secgw/flow.h new file mode 100644 index 0000000..1b1b477 --- /dev/null +++ b/examples/ipsec-secgw/flow.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright (C) 2020 Marvell International Ltd. + */ + +#ifndef _FLOW_H_ +#define _FLOW_H_ + +#include "parser.h" + +void parse_flow_tokens(char **tokens, uint32_t n_tokens, + struct parse_status *status); + +void flow_init(void); + +#endif /* _FLOW_H_ */ diff --git a/examples/ipsec-secgw/ipsec-secgw.c b/examples/ipsec-secgw/ipsec-secgw.c index f777ce2..d19688d 100644 --- a/examples/ipsec-secgw/ipsec-secgw.c +++ b/examples/ipsec-secgw/ipsec-secgw.c @@ -49,6 +49,7 @@ #include #include "event_helper.h" +#include "flow.h" #include "ipsec.h" #include "ipsec_worker.h" #include "parser.h" @@ -2914,6 +2915,8 @@ struct lcore_conf { } } + flow_init(); + check_all_ports_link_status(enabled_port_mask); /* launch per-lcore init on every lcore */ diff --git a/examples/ipsec-secgw/ipsec-secgw.h b/examples/ipsec-secgw/ipsec-secgw.h index 4b53cb5..412d727 100644 --- a/examples/ipsec-secgw/ipsec-secgw.h +++ b/examples/ipsec-secgw/ipsec-secgw.h @@ -34,6 +34,13 @@ ((uint64_t)(a) & 0xff)) #endif +#define uint32_t_to_char(ip, a, b, c, d) do {\ + *a = (uint8_t)(ip >> 24 & 0xff);\ + *b = (uint8_t)(ip >> 16 & 0xff);\ + *c = (uint8_t)(ip >> 8 & 0xff);\ + *d = (uint8_t)(ip & 0xff);\ + } while (0) + #define ETHADDR(a, b, c, d, e, f) (__BYTES_TO_UINT64(a, b, c, d, e, f, 0, 0)) struct traffic_type { diff --git a/examples/ipsec-secgw/ipsec.h b/examples/ipsec-secgw/ipsec.h index 2f69199..7031e28 100644 --- a/examples/ipsec-secgw/ipsec.h +++ b/examples/ipsec-secgw/ipsec.h @@ -28,13 +28,6 @@ #define IV_OFFSET (sizeof(struct rte_crypto_op) + \ sizeof(struct rte_crypto_sym_op)) -#define uint32_t_to_char(ip, a, b, c, d) do {\ - *a = (uint8_t)(ip >> 24 & 0xff);\ - *b = (uint8_t)(ip >> 16 & 0xff);\ - *c = (uint8_t)(ip >> 8 & 0xff);\ - *d = (uint8_t)(ip & 0xff);\ - } while (0) - #define DEFAULT_MAX_CATEGORIES 1 #define INVALID_SPI (0) diff --git a/examples/ipsec-secgw/meson.build b/examples/ipsec-secgw/meson.build index f9ba2a2..d0373da 100644 --- a/examples/ipsec-secgw/meson.build +++ b/examples/ipsec-secgw/meson.build @@ -9,6 +9,17 @@ deps += ['security', 'lpm', 'acl', 'hash', 'ip_frag', 'ipsec', 'eventdev'] allow_experimental_apis = true sources = files( - 'esp.c', 'event_helper.c', 'ipsec.c', 'ipsec_process.c', 'ipsec-secgw.c', - 'ipsec_worker.c', 'parser.c', 'rt.c', 'sa.c', 'sad.c', 'sp4.c', 'sp6.c' + 'esp.c', + 'event_helper.c', + 'flow.c', + 'ipsec.c', + 'ipsec_process.c', + 'ipsec-secgw.c', + 'ipsec_worker.c', + 'parser.c', + 'rt.c', + 'sa.c', + 'sad.c', + 'sp4.c', + 'sp6.c' ) diff --git a/examples/ipsec-secgw/parser.c b/examples/ipsec-secgw/parser.c index 65eb7e9..8f66660 100644 --- a/examples/ipsec-secgw/parser.c +++ b/examples/ipsec-secgw/parser.c @@ -11,6 +11,7 @@ #include #include +#include "flow.h" #include "ipsec.h" #include "parser.h" @@ -484,6 +485,49 @@ struct cfg_rt_add_cfg_item { }, }; +/* flow add parse */ +struct cfg_flow_add_cfg_item { + cmdline_fixed_string_t flow_keyword; + cmdline_multi_string_t multi_string; +}; + +static void +cfg_flow_add_cfg_item_parsed(void *parsed_result, + __rte_unused struct cmdline *cl, void *data) +{ + struct cfg_flow_add_cfg_item *params = parsed_result; + char *tokens[32]; + uint32_t n_tokens = RTE_DIM(tokens); + struct parse_status *status = (struct parse_status *)data; + + APP_CHECK(parse_tokenize_string( + params->multi_string, tokens, &n_tokens) == 0, + status, "too many arguments\n"); + if (status->status < 0) + return; + + parse_flow_tokens(tokens, n_tokens, status); +} + +static cmdline_parse_token_string_t cfg_flow_add_flow_str = + TOKEN_STRING_INITIALIZER(struct cfg_flow_add_cfg_item, + flow_keyword, "flow"); + +static cmdline_parse_token_string_t cfg_flow_add_multi_str = + TOKEN_STRING_INITIALIZER(struct cfg_flow_add_cfg_item, multi_string, + TOKEN_STRING_MULTI); + +cmdline_parse_inst_t cfg_flow_add_rule = { + .f = cfg_flow_add_cfg_item_parsed, + .data = NULL, + .help_str = "", + .tokens = { + (void *) &cfg_flow_add_flow_str, + (void *) &cfg_flow_add_multi_str, + NULL, + }, +}; + /* neigh add parse */ struct cfg_neigh_add_item { cmdline_fixed_string_t neigh; @@ -538,6 +582,7 @@ struct cfg_neigh_add_item { (cmdline_parse_inst_t *)&cfg_sp_add_rule, (cmdline_parse_inst_t *)&cfg_sa_add_rule, (cmdline_parse_inst_t *)&cfg_rt_add_rule, + (cmdline_parse_inst_t *)&cfg_flow_add_rule, (cmdline_parse_inst_t *)&cfg_neigh_add_rule, NULL, }; @@ -564,6 +609,7 @@ struct cfg_neigh_add_item { cfg_sp_add_rule.data = &status; cfg_sa_add_rule.data = &status; cfg_rt_add_rule.data = &status; + cfg_flow_add_rule.data = &status; cfg_neigh_add_rule.data = &status; do { diff --git a/examples/ipsec-secgw/parser.h b/examples/ipsec-secgw/parser.h index 6e764fe..a0ff7e1 100644 --- a/examples/ipsec-secgw/parser.h +++ b/examples/ipsec-secgw/parser.h @@ -2,12 +2,13 @@ * Copyright(c) 2016 Intel Corporation */ +#ifndef __PARSER_H +#define __PARSER_H + #include #include #include - -#ifndef __PARSER_H -#define __PARSER_H +#include struct parse_status { int status; -- 1.9.3