From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by dpdk.org (Postfix) with ESMTP id E32AA2BF1; Tue, 20 Feb 2018 13:11:14 +0100 (CET) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 20 Feb 2018 04:11:13 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.46,539,1511856000"; d="scan'208";a="19430235" Received: from silpixa00383879.ir.intel.com (HELO silpixa00383879.ger.corp.intel.com) ([10.237.223.127]) by orsmga008.jf.intel.com with ESMTP; 20 Feb 2018 04:11:11 -0800 From: Radu Nicolau To: dev@dpdk.org Cc: john.mcnamara@intel.com, thomas@monjalon.net, Radu Nicolau , stable@dpdk.org Date: Tue, 20 Feb 2018 12:05:57 +0000 Message-Id: <1519128357-8987-1-git-send-email-radu.nicolau@intel.com> X-Mailer: git-send-email 2.7.5 Subject: [dpdk-dev] [PATCH] examples/exception_path: limit core count to 64 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: , X-List-Received-Date: Tue, 20 Feb 2018 12:11:15 -0000 Application doesn't support more that 64 lcores due to command line limitation of using a coremask that is parsed as a 64bit value, so changed it to reflect this limitation. Fixes: af75078fece3 ("first public release") Coverity issue: 30688 Cc: stable@dpdk.org Signed-off-by: Radu Nicolau --- examples/exception_path/main.c | 18 ++++++++++++++---- 1 file changed, 14 insertions(+), 4 deletions(-) diff --git a/examples/exception_path/main.c b/examples/exception_path/main.c index 3e5b1e7..dda391c 100644 --- a/examples/exception_path/main.c +++ b/examples/exception_path/main.c @@ -41,13 +41,21 @@ #include #include +#ifndef APP_MAX_LCORE +#if (RTE_MAX_LCORE > 64) +#define APP_MAX_LCORE 64 +#else +#define APP_MAX_LCORE RTE_MAX_LCORE +#endif +#endif + /* Macros for printing using RTE_LOG */ #define RTE_LOGTYPE_APP RTE_LOGTYPE_USER1 #define FATAL_ERROR(fmt, args...) rte_exit(EXIT_FAILURE, fmt "\n", ##args) #define PRINT_INFO(fmt, args...) RTE_LOG(INFO, APP, fmt "\n", ##args) /* Max ports than can be used (each port is associated with two lcores) */ -#define MAX_PORTS (RTE_MAX_LCORE / 2) +#define MAX_PORTS (APP_MAX_LCORE / 2) /* Max size of a single packet */ #define MAX_PACKET_SZ (2048) @@ -101,7 +109,7 @@ static uint64_t input_cores_mask = 0; static uint64_t output_cores_mask = 0; /* Array storing port_id that is associated with each lcore */ -static uint16_t port_ids[RTE_MAX_LCORE]; +static uint16_t port_ids[APP_MAX_LCORE]; /* Structure type for recording lcore-specific stats */ struct stats { @@ -111,7 +119,7 @@ struct stats { } __rte_cache_aligned; /* Array of lcore-specific stats */ -static struct stats lcore_stats[RTE_MAX_LCORE]; +static struct stats lcore_stats[APP_MAX_LCORE]; /* Print out statistics on packets handled */ static void @@ -330,7 +338,9 @@ setup_port_lcore_affinities(void) uint16_t rx_port = 0; /* Setup port_ids[] array, and check masks were ok */ - RTE_LCORE_FOREACH(i) { + for (i = 0; i < APP_MAX_LCORE; i++) { + if (!rte_lcore_is_enabled(i)) + continue; if (input_cores_mask & (1ULL << i)) { /* Skip ports that are not enabled */ while ((ports_mask & (1 << rx_port)) == 0) { -- 2.7.5