From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7A8BEFCEE8B for ; Wed, 25 Feb 2026 11:29:37 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 704B34021E; Wed, 25 Feb 2026 12:29:36 +0100 (CET) Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by mails.dpdk.org (Postfix) with ESMTP id 09D1E400D6 for ; Wed, 25 Feb 2026 12:29:34 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1772018974; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=5T/x8wg78mS3++lJLrelbdnhVEGSDSIUKUejpu46jek=; b=C1nnDRZitLJIXnUsCH+X4WzR+T28lvOZBeLIdIqGP7kUbXjZcJUMo3NlvRwxZktO4K3KDh bR7C1m/c0bIB3JEtpg4RDQKywu+mFn0Nh9J0o7EYiuvffHytWtq6Nw0Q0JpXwhceEGK8Tl /tYvnmWwVnTn5UHvhet6Eef/JnX28Lg= Received: from mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-644-2sucfJLpODy4CYLEo82XCQ-1; Wed, 25 Feb 2026 06:29:31 -0500 X-MC-Unique: 2sucfJLpODy4CYLEo82XCQ-1 X-Mimecast-MFC-AGG-ID: 2sucfJLpODy4CYLEo82XCQ_1772018970 Received: from mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.12]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id D4A1A180061C; Wed, 25 Feb 2026 11:29:29 +0000 (UTC) Received: from dmarchan.lan (unknown [10.44.32.223]) by mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 275F019560B6; Wed, 25 Feb 2026 11:29:27 +0000 (UTC) From: David Marchand To: dev@dpdk.org Cc: Thomas Monjalon , Andrew Rybchenko Subject: [RFC 1/2] devtools: check packet forwarding in null test Date: Wed, 25 Feb 2026 12:29:20 +0100 Message-ID: <20260225112922.3982104-1-david.marchand@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: ppD2HGLWeeTDSvzpLzgJdmd4m4p0YsPLhnMn4IIghNg_1772018970 X-Mimecast-Originator: redhat.com Content-Transfer-Encoding: 8bit content-type: text/plain; charset="US-ASCII"; x-default=true 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 Add some simple checks that testpmd was indeed polling two ports, and some packets got through it. Signed-off-by: David Marchand --- devtools/test-null.sh | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/devtools/test-null.sh b/devtools/test-null.sh index e3ac168ce3..8f21189262 100755 --- a/devtools/test-null.sh +++ b/devtools/test-null.sh @@ -26,8 +26,14 @@ else libs= fi +logfile=$build/test-null.log (sleep 1 && echo stop) | # testpmd only needs 20M, make it x2 (default number of cores) for NUMA systems $testpmd -l $corelist --no-huge -m 40 \ $libs -a 0:0.0 --vdev net_null1 --vdev net_null2 $eal_options -- \ - --no-mlockall --total-num-mbufs=2048 $testpmd_options -ia + --no-mlockall --total-num-mbufs=2048 $testpmd_options -ia | tee $logfile + +# we expect two ports and some traffic is received and transmitted +grep -q 'io packet forwarding - ports=2 -' $build/test-null.log +grep 'RX-packets: ' $logfile | tail -1 | grep -q 'RX-packets:[[:space:]]*[^0[:space:]]' +grep 'TX-packets: ' $logfile | tail -1 | grep -q 'TX-packets:[[:space:]]*[^0[:space:]]' -- 2.53.0