From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 1D678A0C41; Fri, 16 Apr 2021 19:19:57 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id BA26C161B08; Fri, 16 Apr 2021 19:19:56 +0200 (CEST) Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by mails.dpdk.org (Postfix) with ESMTP id 8AF32161AB6; Fri, 16 Apr 2021 19:19:51 +0200 (CEST) IronPort-SDR: USC8TMBVG/zCkAYiAtKE9QEi53YliW6x6IQ3n1QYnUhk5jCB11rMCWZZvhOImf2/rv1HtVGl3K g1VIRveoTwCw== X-IronPort-AV: E=McAfee;i="6200,9189,9956"; a="195184262" X-IronPort-AV: E=Sophos;i="5.82,226,1613462400"; d="scan'208";a="195184262" Received: from orsmga005.jf.intel.com ([10.7.209.41]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Apr 2021 10:19:50 -0700 IronPort-SDR: LJ/d7GaCO7Ad7I2gO/GgEgt9viQUuY6rYbbhTc/VSeWGtBM+wLrkwEKTefXEkuYKiiH7i1pub8 0D6cT1pZY3+A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.82,226,1613462400"; d="scan'208";a="601528428" Received: from silpixa00400466.ir.intel.com ([10.237.213.210]) by orsmga005.jf.intel.com with ESMTP; 16 Apr 2021 10:19:47 -0700 From: Conor Walsh To: jerinj@marvell.com, stephen@networkplumber.org, bernard.iremonger@intel.com, konstantin.ananyev@intel.com, vladimir.medvedkin@intel.com, anatoly.burakov@intel.com, john.mcnamara@intel.com, david.marchand@redhat.com Cc: dev@dpdk.org, Conor Walsh , stable@dpdk.org Date: Fri, 16 Apr 2021 17:19:37 +0000 Message-Id: <20210416171941.346166-2-conor.walsh@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210416171941.346166-1-conor.walsh@intel.com> References: <20210406111106.2020555-1-conor.walsh@intel.com> <20210416171941.346166-1-conor.walsh@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [dpdk-dev] [PATCH v8 1/5] examples/l3fwd: fix LPM IPv6 subnets 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 Sender: "dev" Any IP within the 2001:200::/48 subnet will match all the routes given instead of 1 individual route and the application cannot differentiate between them. The change in this patch allows the ports to be individually matched using smaller /64 ranges for each port. These smaller subnet ranges are still within the 2001:200::/48 subnet range set aside for benchmarking in RFC5180. l3fwd will now use 2001:200:0:{0-7}::/64 where 0-7 is the port ID for IPv6. Fixes: 37afe381bde4 ("examples/l3fwd: use reserved IP addresses") CC: stable@dpdk.org Signed-off-by: Conor Walsh Acked-by: Vladimir Medvedkin --- examples/l3fwd/l3fwd_lpm.c | 26 ++++++++++++++++---------- 1 file changed, 16 insertions(+), 10 deletions(-) diff --git a/examples/l3fwd/l3fwd_lpm.c b/examples/l3fwd/l3fwd_lpm.c index 3dcf1fef18..1cfaf36572 100644 --- a/examples/l3fwd/l3fwd_lpm.c +++ b/examples/l3fwd/l3fwd_lpm.c @@ -42,7 +42,10 @@ struct ipv6_l3fwd_lpm_route { uint8_t if_out; }; -/* 198.18.0.0/16 are set aside for RFC2544 benchmarking (RFC5735). */ +/* + * 198.18.0.0/16 are set aside for RFC2544 benchmarking (RFC5735). + * 198.18.{0-7}.0/24 = Port {0-7} + */ static const struct ipv4_l3fwd_lpm_route ipv4_l3fwd_lpm_route_array[] = { {RTE_IPV4(198, 18, 0, 0), 24, 0}, {RTE_IPV4(198, 18, 1, 0), 24, 1}, @@ -54,16 +57,19 @@ static const struct ipv4_l3fwd_lpm_route ipv4_l3fwd_lpm_route_array[] = { {RTE_IPV4(198, 18, 7, 0), 24, 7}, }; -/* 2001:0200::/48 is IANA reserved range for IPv6 benchmarking (RFC5180) */ +/* + * 2001:200::/48 is IANA reserved range for IPv6 benchmarking (RFC5180). + * 2001:200:0:{0-7}::/64 = Port {0-7} + */ static const struct ipv6_l3fwd_lpm_route ipv6_l3fwd_lpm_route_array[] = { - {{32, 1, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 48, 0}, - {{32, 1, 2, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0}, 48, 1}, - {{32, 1, 2, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0}, 48, 2}, - {{32, 1, 2, 0, 0, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0}, 48, 3}, - {{32, 1, 2, 0, 0, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0}, 48, 4}, - {{32, 1, 2, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0}, 48, 5}, - {{32, 1, 2, 0, 0, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0}, 48, 6}, - {{32, 1, 2, 0, 0, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 0}, 48, 7}, + {{32, 1, 2, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 0}, + {{32, 1, 2, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 1}, + {{32, 1, 2, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 2}, + {{32, 1, 2, 0, 0, 0, 0, 3, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 3}, + {{32, 1, 2, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 4}, + {{32, 1, 2, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 5}, + {{32, 1, 2, 0, 0, 0, 0, 6, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 6}, + {{32, 1, 2, 0, 0, 0, 0, 7, 0, 0, 0, 0, 0, 0, 0, 0}, 64, 7}, }; #define IPV4_L3FWD_LPM_MAX_RULES 1024 -- 2.25.1