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 AAB1748938; Tue, 14 Oct 2025 20:18:05 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id F260B40651; Tue, 14 Oct 2025 20:18:01 +0200 (CEST) Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.15]) by mails.dpdk.org (Postfix) with ESMTP id 1CC0940288; Tue, 14 Oct 2025 20:17:59 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1760465880; x=1792001880; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=LPgN7aOutGzmroklehrHZQQ0WDjmyRpSt7rSx51IcFU=; b=B9vv5fIyY0cIaedjebQyerxWIjoswzHyMqgoRLIqgZlCxs+avd6UiIMy skuvTPC6OogaVeklO5i+NCMYAmwSjF1CpoR1JGM9W2bD2MnQ64ev8KLcW sU+FSu6NwnQaTjgPUOVQgoDBlyw4j2+CcXtRbDf9HJ8Utcd9e28Eq18OM 7bJ15pIB7IYDBP+Erw4vcKnB+AMgsWMqCs0Bz3wRGWv8vLZR6usrKmx+/ 9VttOJrKNPQsL/QOff2hw0McPpBEr/qsjuDsJotHFDOXRXNDssRvXwANu IkpStp0yaUVp3Q5uC7WaobUXyJW3cdl5b4EYBtTBr4fkX9aVlutmEn7td w==; X-CSE-ConnectionGUID: QtV6/wANS+WkRfRMCBHN3Q== X-CSE-MsgGUID: D0IVlLoWSIi2bGOW4O1tMQ== X-IronPort-AV: E=McAfee;i="6800,10657,11582"; a="66286127" X-IronPort-AV: E=Sophos;i="6.19,228,1754982000"; d="scan'208";a="66286127" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by orvoesa107.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Oct 2025 11:17:59 -0700 X-CSE-ConnectionGUID: zxx58sevQZyFp4MmWCAUSA== X-CSE-MsgGUID: 7ri8dv2oSy6yH4A1eSRBTA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,228,1754982000"; d="scan'208";a="212571025" Received: from silpixa00401176.ir.intel.com ([10.20.224.212]) by orviesa002.jf.intel.com with ESMTP; 14 Oct 2025 11:17:59 -0700 From: Vladimir Medvedkin To: dev@dpdk.org Cc: rjarry@redhat.com, stable@dpdk.org Subject: [PATCH 2/2] fib6: fix tbl8 allocation check logic Date: Tue, 14 Oct 2025 18:17:55 +0000 Message-ID: <20251014181755.114300-2-vladimir.medvedkin@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20251014181755.114300-1-vladimir.medvedkin@intel.com> References: <20251014181755.114300-1-vladimir.medvedkin@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 Currently if there were 'n' preallocated tbl8 entries only 'n - 1' were able to be used. Fix the logic allowing to use all preallocated tbl8 entries. Fixes: c3e12e0f0354 ("fib: add dataplane algorithm for IPv6") Cc: stable@dpdk.org Signed-off-by: Vladimir Medvedkin --- lib/fib/trie.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/lib/fib/trie.c b/lib/fib/trie.c index 5a9978b4ca..6427920c58 100644 --- a/lib/fib/trie.c +++ b/lib/fib/trie.c @@ -576,8 +576,7 @@ trie_modify(struct rte_fib6 *fib, const struct rte_ipv6_addr *ip, return 0; } - if ((depth > 24) && (dp->rsvd_tbl8s >= - dp->number_tbl8s - depth_diff)) + if ((depth > 24) && (dp->rsvd_tbl8s + depth_diff > dp->number_tbl8s)) return -ENOSPC; node = rte_rib6_insert(rib, &ip_masked, depth); -- 2.43.0