From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-yx1-f50.google.com (mail-yx1-f50.google.com [74.125.224.50]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AE42A313E14 for ; Tue, 13 Jan 2026 03:13:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=74.125.224.50 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768273984; cv=none; b=tHl0sBeAscm0GzxWFzKr+EamOF0gW6Wlw4RPDFG0/uVOivVGs4a3NhJ/oQ7J4f9uMp9KfFx8sl6A3oClMkU/QEo99+Lxqo7A8ZXnJQ6I7eBiVVo58++09mn/8yMYwIAHzAnsY7JCMai4/gEXWVE6U/jfbq95ke3zWzZ3CTi8mos= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768273984; c=relaxed/simple; bh=A/Re4uBOGGe0FAXjhpo7AUAS6ISO6mznmR48rNydg0I=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=Rdk4I0dnK0iuMRUyZXHutSqYE1dDfpDwEiZZJ2Hu6STdqUgPBNhHes7DhEStU38CK+SM90+IXCVvvR+Yimrm9Bnm9U6nuAv/SEePRgtCAXLzM8iJoUxVnSBW+GmJ239alpnc8ivKLxdgAKY7CnwBTyLw5xl1grcuKgQW9g8btNA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=CHW4Jb/8; arc=none smtp.client-ip=74.125.224.50 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="CHW4Jb/8" Received: by mail-yx1-f50.google.com with SMTP id 956f58d0204a3-64472121ad5so4851097d50.0 for ; Mon, 12 Jan 2026 19:13:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1768273982; x=1768878782; darn=vger.kernel.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=bMAS5pTBRt+D+YQ3hZNF0StDlF0aWH+C/CFg55tOZdw=; b=CHW4Jb/8fhd5vJDUj0zjCR2kjTvWSiK0d5E8xEs03aJjnzCJ6tJ/I2pf79/Ya7kaF6 eZq4DmXtNQE4JDceVHeRAqHQsQFnRbTCx92onB9wVEHw+Z5jHz5D/C5lxsvWs9z8Ol2b KyROrKD3/50bMehrdeM2s9ZfO9LGQk3myUPkpp2IBByANYh7VtGsBgiU+SSIrfheOG2p eXkpigUKG+k5RLuEEyWFPLQcIS1cGiwR8ISMG54hu0/ZOw4Snis0+k89XFPjO8bUHrKQ dtqcaxl4v18oK/TlXWDaZla0g3ThPrkI5FGw3aedBtDOh9iD29HR22EzYJfbLITUjKew kIFg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1768273982; x=1768878782; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-gg:x-gm-message-state:from:to :cc:subject:date:message-id:reply-to; bh=bMAS5pTBRt+D+YQ3hZNF0StDlF0aWH+C/CFg55tOZdw=; b=fW7+VuzkpfR2sCyACKnJvfIPssff3TgALZ7jTSMk0vVv0wtuxBuDLf9F3v+xTAEl0r 1RbD1j3i8MFrAQPRJDLOj0H2PpNP6iRthwRDotRNMkF6ug7svmMQF8i4T+0BXNWH+Hi0 v5Q/vX0oXQSxU8wvEucLOsObmPRIEfJOXKzj165Tqx/bGh6TdLYfDD6NtOU866/2cmdT sitiCQAUKt4e/lCLevaODfoQdjMDJhgWbTSvPGwav7Zhyli+sqy/yB3FW134hTLvf8hH yBRhcV0RP3jlwovAMsLB3m07BSDBIVzLDhikjoUA+u9aNDpOlkKiWTIcHUCKtcNzU5ln XFlg== X-Forwarded-Encrypted: i=1; AJvYcCXceVKZlLb+/ZNSAqpnM6/udKhubsWQ98RoDTEYOQIl3ecGxjk7RFxWgA0UZp5xLDopnqy5lhmU8e/tIIx54kE=@vger.kernel.org X-Gm-Message-State: AOJu0YxjKPJDUd0Ynp++dMiuGary09OfZgjPZdvkITFkxCAGFjpJavaY WOollT+rP6NzosdI924ldWgrz5uZ+tBRx7KH0/m8Dpb0EokfJZsrBKzh X-Gm-Gg: AY/fxX7y+RNwMFwyHxbHA9ZKofX5YQJLfXAE7O2532zxPpjcDSOQfVk911a7OZ+wY0h hQ0Zpk+pOKjmhv5PGo68OOPaU6X7WzZDR2jk9SiYah0q3h6WYtAlkxPg8xR0bJpe/3CfDGApTWp WnE+NmW8MALe+xnS23jUGC1VwCTVZIpKurIOzNdmAaO5v3REyO/96yeTQYnlCAFEeu/3xB22tHc q3/jiI2qZNznnQuTMqN3fnlO0sqm6xBxpGECG+PIUxjMeMs4wtialZsWjlumamGYQmdIbzmI18E DFUqgB2u120T+LrPBKjm52zgptQkOJGOGA5nIXoAU+Dp85YLwyqNdKOLgXVPgfvXV1H7olr4man Hob8m/G5+7FElLERiJeoW5ULyIledfob5h0ZROS6k6dKJcdZxwfCsMbiiui3b3ss6BrYydLN1Jp 2PoSradyS0bg== X-Google-Smtp-Source: AGHT+IGkQoS0QBXW7yISdzqc/XM0pcHr9WRNy/nnkdRa0saRQjs66Xbn3T42Y7YnRdRrb2CT86Wdpw== X-Received: by 2002:a05:690e:1907:b0:644:795a:391 with SMTP id 956f58d0204a3-64716c67b3bmr15939380d50.60.1768273981699; Mon, 12 Jan 2026 19:13:01 -0800 (PST) Received: from localhost ([2a03:2880:25ff:5d::]) by smtp.gmail.com with ESMTPSA id 956f58d0204a3-6470d8b246fsm8746996d50.17.2026.01.12.19.13.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 12 Jan 2026 19:13:01 -0800 (PST) From: Bobby Eshleman Date: Mon, 12 Jan 2026 19:11:14 -0800 Subject: [PATCH net-next v14 05/12] selftests/vsock: add namespace helpers to vmtest.sh Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260112-vsock-vmtest-v14-5-a5c332db3e2b@meta.com> References: <20260112-vsock-vmtest-v14-0-a5c332db3e2b@meta.com> In-Reply-To: <20260112-vsock-vmtest-v14-0-a5c332db3e2b@meta.com> To: Stefano Garzarella , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Simon Horman , Stefan Hajnoczi , "Michael S. Tsirkin" , Jason Wang , =?utf-8?q?Eugenio_P=C3=A9rez?= , Xuan Zhuo , "K. Y. Srinivasan" , Haiyang Zhang , Wei Liu , Dexuan Cui , Bryan Tan , Vishnu Dasa , Broadcom internal kernel review list , Shuah Khan , Long Li Cc: linux-kernel@vger.kernel.org, virtualization@lists.linux.dev, netdev@vger.kernel.org, kvm@vger.kernel.org, linux-hyperv@vger.kernel.org, linux-kselftest@vger.kernel.org, berrange@redhat.com, Sargun Dhillon , Bobby Eshleman , Bobby Eshleman X-Mailer: b4 0.14.3 From: Bobby Eshleman Add functions for initializing namespaces with the different vsock NS modes. Callers can use add_namespaces() and del_namespaces() to create namespaces global0, global1, local0, and local1. The add_namespaces() function initializes global0, local0, etc... with their respective vsock NS mode by toggling child_ns_mode before creating the namespace. Remove namespaces upon exiting the program in cleanup(). This is unlikely to be needed for a healthy run, but it is useful for tests that are manually killed mid-test. This patch is in preparation for later namespace tests. Signed-off-by: Bobby Eshleman --- Changes in v13: - intialize namespaces to use the child_ns_mode mechanism - remove setting modes from init_namespaces() function (this function only sets up the lo device now) - remove ns_set_mode(ns) because ns_mode is no longer mutable --- tools/testing/selftests/vsock/vmtest.sh | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/tools/testing/selftests/vsock/vmtest.sh b/tools/testing/selftests/vsock/vmtest.sh index c7b270dd77a9..c2bdc293b94c 100755 --- a/tools/testing/selftests/vsock/vmtest.sh +++ b/tools/testing/selftests/vsock/vmtest.sh @@ -49,6 +49,7 @@ readonly TEST_DESCS=( ) readonly USE_SHARED_VM=(vm_server_host_client vm_client_host_server vm_loopback) +readonly NS_MODES=("local" "global") VERBOSE=0 @@ -103,6 +104,36 @@ check_result() { fi } +add_namespaces() { + local orig_mode + orig_mode=$(cat /proc/sys/net/vsock/child_ns_mode) + + for mode in "${NS_MODES[@]}"; do + echo "${mode}" > /proc/sys/net/vsock/child_ns_mode + ip netns add "${mode}0" 2>/dev/null + ip netns add "${mode}1" 2>/dev/null + done + + echo "${orig_mode}" > /proc/sys/net/vsock/child_ns_mode +} + +init_namespaces() { + for mode in "${NS_MODES[@]}"; do + # we need lo for qemu port forwarding + ip netns exec "${mode}0" ip link set dev lo up + ip netns exec "${mode}1" ip link set dev lo up + done +} + +del_namespaces() { + for mode in "${NS_MODES[@]}"; do + ip netns del "${mode}0" &>/dev/null + ip netns del "${mode}1" &>/dev/null + log_host "removed ns ${mode}0" + log_host "removed ns ${mode}1" + done +} + vm_ssh() { ssh -q -o UserKnownHostsFile=/dev/null -p ${SSH_HOST_PORT} localhost "$@" return $? @@ -110,6 +141,7 @@ vm_ssh() { cleanup() { terminate_pidfiles "${!PIDFILES[@]}" + del_namespaces } check_args() { -- 2.47.3