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 9AA75427E5; Mon, 20 Mar 2023 20:02:20 +0100 (CET) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 127BC42D42; Mon, 20 Mar 2023 20:01:20 +0100 (CET) Received: from linux.microsoft.com (linux.microsoft.com [13.77.154.182]) by mails.dpdk.org (Postfix) with ESMTP id 90E8842B71 for ; Mon, 20 Mar 2023 20:01:03 +0100 (CET) Received: by linux.microsoft.com (Postfix, from userid 1086) id 7935820FB42B; Mon, 20 Mar 2023 12:01:02 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 7935820FB42B DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.microsoft.com; s=default; t=1679338862; bh=HjIguY/SdyKE6hv8oNh49pLPoO2vkHoeHsBxKHnDD0w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Dl8MDiNJuoaCWKAuilKrZNIMW1HgVf+arGN2O/oFsrLX2rVuexbdYqBYMClMJgzSb 81EPidHKo4vZposRDcqEcLNkUqMZP7Odtu5VvXESjLvAFPhHX1s6pwyFCZ27vcoCFw otB+4DQ96gppSg7l0ywO/uWuLxC6dur7cZc/nxm0= From: Tyler Retzlaff To: dev@dpdk.org Cc: Honnappa.Nagarahalli@arm.com, Ruifeng.Wang@arm.com, thomas@monjalon.net, pbhagavatula@marvell.com, ndabilpuram@marvell.com, Tyler Retzlaff Subject: [PATCH v3 14/16] ipsec: use previous value atomic fetch operations Date: Mon, 20 Mar 2023 12:00:34 -0700 Message-Id: <1679338836-21321-15-git-send-email-roretzla@linux.microsoft.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1679338836-21321-1-git-send-email-roretzla@linux.microsoft.com> References: <1678486530-20688-1-git-send-email-roretzla@linux.microsoft.com> <1679338836-21321-1-git-send-email-roretzla@linux.microsoft.com> 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 Use __atomic_fetch_{add,and,or,sub,xor} instead of __atomic_{add,and,or,sub,xor}_fetch adding the necessary code to allow consumption of the resulting value. Signed-off-by: Tyler Retzlaff Reviewed-by: Ruifeng Wang --- lib/ipsec/ipsec_sqn.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/ipsec/ipsec_sqn.h b/lib/ipsec/ipsec_sqn.h index 2636cb1..505950e 100644 --- a/lib/ipsec/ipsec_sqn.h +++ b/lib/ipsec/ipsec_sqn.h @@ -128,7 +128,7 @@ n = *num; if (SQN_ATOMIC(sa)) - sqn = __atomic_add_fetch(&sa->sqn.outb, n, __ATOMIC_RELAXED); + sqn = __atomic_fetch_add(&sa->sqn.outb, n, __ATOMIC_RELAXED) + n; else { sqn = sa->sqn.outb + n; sa->sqn.outb = sqn; -- 1.8.3.1