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 9997E221D87 for ; Fri, 7 Nov 2025 00:14:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762474490; cv=none; b=Fgo5UL4PxaXAeaJMyMCUNJVqbY5v6+C0wZ/MXU0F99X9wcmH4BLXRu6zhr1JSzJgAzPPQzqj8fJc2k5+jj2rZofRCb/90adtjG5W483wU/IZQoXm5dzIVfMQQ+/0t61BVBspyQapyzWQq1nW0FXkMimhXnlloSaPtEibSKKJSdM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762474490; c=relaxed/simple; bh=qk1m3VxZ37KxE5FApJ5wbTRsroWNt/MXDoMPZyAinh4=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=jTVlI7HJAUg+gEo1CMH0vYkuZbRc9KD3hml+I7MVYNaG3vGt4ccaa9VfAq9m5103Zhjo8aCF9xYeAj+ZGSvD/dbEPNTwvxyQ5Ba+ofvaOiBLP0alqM+M8wfH/fCdB2WClAjPsikeQIqbEbpnJjmsjO4UfR0qi0tRctEnfGdg9mw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=s8FRhsM3; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="s8FRhsM3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1A658C4CEF7; Fri, 7 Nov 2025 00:14:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1762474488; bh=qk1m3VxZ37KxE5FApJ5wbTRsroWNt/MXDoMPZyAinh4=; h=From:To:Cc:Subject:Date:From; b=s8FRhsM3F82M9rBo0GnS2wKRcI5GrZ0qKel2YKoUOzhui2ug7geampFF/rqPeJexu qnjMeh0xPs1RDgY/OhslrVC2Snx5bEdQHf9weCJOQtx1E/uni5QLCDbW3Fe+PBNGZx 9nIAoexFVqHgLZtubveRWePYHywneoTYIllTIbhQExlsY5Gd1SeVfFcNX/6YJsJ9/1 CS99tQ+SMGeZBLcMymOenorEbf/1ohbE6BkpeCi/NVZni/5atHCurZDNyFBmJXysGB EzEkM5d/TZsQ76MREQvyp2hql2LS9374bPfXKFFffwh0dUrdE8Ip59A6YR6bMFYibt Qra7i88G9SOgg== From: Saeed Mahameed To: netdev@vger.kernel.org Cc: stephen@networkplumber.org, dsahern@gmail.com, Jiri Pirko , Saeed Mahameed Subject: [PATCH iproute2] devlink: Support DEVLINK_ESWITCH_MODE_SWITCHDEV_INACTIVE Date: Thu, 6 Nov 2025 16:14:35 -0800 Message-ID: <20251107001435.160260-1-saeed@kernel.org> X-Mailer: git-send-email 2.51.1 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Saeed Mahameed Add support for the new inactive switchdev mode [1]. A user can start the eswitch in switchdev or switchdev_inactive mode. Active: Traffic is enabled on this eswitch FDB. Inactive: Traffic is ignored/dropped on this eswitch FDB. An example use case: $ devlink dev eswitch set pci/0000:08:00.1 mode switchdev_inactive Setup FDB pipeline and netdev representors ... Once ready to start receiving traffic $ devlink dev eswitch set pci/0000:08:00.1 mode switchdev [1] https://lore.kernel.org/all/20251107000831.157375-1-saeed@kernel.org/ Signed-off-by: Saeed Mahameed --- devlink/devlink.c | 7 ++++++- include/uapi/linux/devlink.h | 1 + 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/devlink/devlink.c b/devlink/devlink.c index 35128083..fd9fac21 100644 --- a/devlink/devlink.c +++ b/devlink/devlink.c @@ -45,6 +45,7 @@ #define ESWITCH_MODE_LEGACY "legacy" #define ESWITCH_MODE_SWITCHDEV "switchdev" +#define ESWITCH_MODE_SWITCHDEV_INACTIVE "switchdev_inactive" #define ESWITCH_INLINE_MODE_NONE "none" #define ESWITCH_INLINE_MODE_LINK "link" #define ESWITCH_INLINE_MODE_NETWORK "network" @@ -1428,6 +1429,8 @@ static int eswitch_mode_get(const char *typestr, *p_mode = DEVLINK_ESWITCH_MODE_LEGACY; } else if (strcmp(typestr, ESWITCH_MODE_SWITCHDEV) == 0) { *p_mode = DEVLINK_ESWITCH_MODE_SWITCHDEV; + } else if (strcmp(typestr, ESWITCH_MODE_SWITCHDEV_INACTIVE) == 0) { + *p_mode = DEVLINK_ESWITCH_MODE_SWITCHDEV_INACTIVE; } else { pr_err("Unknown eswitch mode \"%s\"\n", typestr); return -EINVAL; @@ -2848,7 +2851,7 @@ static bool dl_dump_filter(struct dl *dl, struct nlattr **tb) static void cmd_dev_help(void) { pr_err("Usage: devlink dev show [ DEV ]\n"); - pr_err(" devlink dev eswitch set DEV [ mode { legacy | switchdev } ]\n"); + pr_err(" devlink dev eswitch set DEV [ mode { legacy | switchdev | switchdev_inactive } ]\n"); pr_err(" [ inline-mode { none | link | network | transport } ]\n"); pr_err(" [ encap-mode { none | basic } ]\n"); pr_err(" devlink dev eswitch show DEV\n"); @@ -3284,6 +3287,8 @@ static const char *eswitch_mode_name(uint32_t mode) switch (mode) { case DEVLINK_ESWITCH_MODE_LEGACY: return ESWITCH_MODE_LEGACY; case DEVLINK_ESWITCH_MODE_SWITCHDEV: return ESWITCH_MODE_SWITCHDEV; + case DEVLINK_ESWITCH_MODE_SWITCHDEV_INACTIVE: + return ESWITCH_MODE_SWITCHDEV_INACTIVE; default: return ""; } } diff --git a/include/uapi/linux/devlink.h b/include/uapi/linux/devlink.h index bcd5fde1..317c088b 100644 --- a/include/uapi/linux/devlink.h +++ b/include/uapi/linux/devlink.h @@ -181,6 +181,7 @@ enum devlink_sb_threshold_type { enum devlink_eswitch_mode { DEVLINK_ESWITCH_MODE_LEGACY, DEVLINK_ESWITCH_MODE_SWITCHDEV, + DEVLINK_ESWITCH_MODE_SWITCHDEV_INACTIVE, }; enum devlink_eswitch_inline_mode { -- 2.51.1