From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C69B8171A8 for ; Mon, 8 May 2023 11:37:52 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2C6F5C433EF; Mon, 8 May 2023 11:37:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1683545872; bh=mTtuV/Ql6GroExZ/32vNesA1ayUEF9XzBKMzH+XnVdk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DTKKaTQTq0w3wg4p7B5a59ZM1X/w7f+GZxqUdWybOGX6d8INVMQxm/U/ZHILZMYgN h2RcsCtuwBtno3e0v6szD3NUmmOo7EWAiAc5FpHFiAfa9S7M8X2YZB6B//sHTzlpAe OarOlCA+dGtplnmukZTWMHn/xq/21ksDkJ+Edhg8= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Kal Conley , Martin KaFai Lau , Sasha Levin Subject: [PATCH 5.15 181/371] selftests: xsk: Disable IPv6 on VETH1 Date: Mon, 8 May 2023 11:46:22 +0200 Message-Id: <20230508094819.329939567@linuxfoundation.org> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230508094811.912279944@linuxfoundation.org> References: <20230508094811.912279944@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Kal Conley [ Upstream commit f2b50f17268390567bc0e95642170d88f336c8f4 ] This change fixes flakiness in the BIDIRECTIONAL test: # [is_pkt_valid] expected length [60], got length [90] not ok 1 FAIL: SKB BUSY-POLL BIDIRECTIONAL When IPv6 is enabled, the interface will periodically send MLDv1 and MLDv2 packets. These packets can cause the BIDIRECTIONAL test to fail since it uses VETH0 for RX. For other tests, this was not a problem since they only receive on VETH1 and IPv6 was already disabled on VETH0. Fixes: a89052572ebb ("selftests/bpf: Xsk selftests framework") Signed-off-by: Kal Conley Link: https://lore.kernel.org/r/20230405082905.6303-1-kal.conley@dectris.com Signed-off-by: Martin KaFai Lau Signed-off-by: Sasha Levin --- tools/testing/selftests/bpf/test_xsk.sh | 1 + 1 file changed, 1 insertion(+) diff --git a/tools/testing/selftests/bpf/test_xsk.sh b/tools/testing/selftests/bpf/test_xsk.sh index cd7bf32e6a173..661995af75602 100755 --- a/tools/testing/selftests/bpf/test_xsk.sh +++ b/tools/testing/selftests/bpf/test_xsk.sh @@ -106,6 +106,7 @@ setup_vethPairs() { ip link add ${VETH0} numtxqueues 4 numrxqueues 4 type veth peer name ${VETH1} numtxqueues 4 numrxqueues 4 if [ -f /proc/net/if_inet6 ]; then echo 1 > /proc/sys/net/ipv6/conf/${VETH0}/disable_ipv6 + echo 1 > /proc/sys/net/ipv6/conf/${VETH1}/disable_ipv6 fi if [[ $verbose -eq 1 ]]; then echo "setting up ${VETH1}: namespace: ${NS1}" -- 2.39.2