From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=156.67.10.101 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794317305; b=NBAkaT7rCzHvp4Hr5dlbwl2gSAiqFZxfCMbkL38Amu9mP4UemVizbhtVJyeWdn+WHnD3 WtkEo8i6OEkYBFaWiIqS/MExKHNbvr7NZvrIRvA1tlpWF6nqWWRdUgSTR1s+WqrDLS5/M qSqGFl1sWJqSHAYanaI94Ic+ZOyEuVtrkpdnHC9Mr38nr10lS93/SboqrtpK4sl9zaZ1G UMZXiKFvP/gdwFsakcG34Pj6YVnp5zzoxnxWHERDbu1iF0eakfR3Vt0kMTVHmxNvWZSsi jMTLoGUBqJJ/fxRPnXZ9zDFQjcxp1Lnb3gl66ZyCbeP9hWBBDMYCHomKUSQ4IUxWblw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794317305; h=DMARC-Filter:DKIM-Signature:Received:Date:From:To:Cc:Subject: Message-ID:References:MIME-Version:Content-Type:Content-Disposition: In-Reply-To; bh=NjKqFsYHDe0kpWvSkOX9Vo+Ww2XtDII2dnV2pSzH82I=; b=kIryQHNqqEIHylB/giNpMknJ8HFXVKvB6BVv9DBf/N1CTxIhs1Bqw3M4X3SfwCCpyxMe 3F9AVBF6joS7UquNTiW8weiG5vwSaRQ3IFh5uFL57BOYCcK3Lp7GtCAek2SNnf7ISAlJG rOlUNPX7YI2dbZN7xhkDR0Cgw+nYfxvRhVgA35R+AVVCklnGo4ag2OPLjwtd7PSDBJZ5l qEfwulA515vWyPsQvGt7pLzLmHIuIe7pTZaR3n7LlCsOu0/IA/9yKEpkU+JNPPRjjr+di IbSZ7yXXh6v1eUAMYNCYAuEF2RcqS8d/SXz4NlO/M4D8s6BOi+fodJTatF4xm4joHnw== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=lunn.ch; spf=pass smtp.mailfrom=lunn.ch; dkim=pass header.d=lunn.ch header.i=@lunn.ch header.a=rsa-sha256 header.s=20171124 header.b=1wS4RB6A; arc=none smtp.remote-ip=156.67.10.101 Received: from vps0.lunn.ch (vps0.lunn.ch [156.67.10.101]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (prime256v1) server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D6A54606A747; Tue, 10 Nov 2026 13:28:24 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org D6A54606A747 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=lunn.ch Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=lunn.ch Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=lunn.ch header.i=@lunn.ch header.a=rsa-sha256 header.s=20171124 header.b=1wS4RB6A DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lunn.ch; s=20171124; h=In-Reply-To:Content-Disposition:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:From:Sender:Reply-To:Subject: Date:Message-ID:To:Cc:MIME-Version:Content-Type:Content-Transfer-Encoding: Content-ID:Content-Description:Content-Disposition:In-Reply-To:References; bh=NjKqFsYHDe0kpWvSkOX9Vo+Ww2XtDII2dnV2pSzH82I=; b=1wS4RB6A4qiYD3td9X5Rp0IkNu viUA6ZWn4P6mP0tJNNDTE3bl1YfMG2KxG8B1VeZskEhd2HK0k+A9DLs9nLdsCdOCHgd9R4hCXE0jp 4mF5lJYGb/WK+gnUaJs0VYHFFu36MUD/xswY2MLqcj8d7POLSzfZ/R4xCt1J+hX2a0Wc=; Received: from andrew by vps0.lunn.ch with local (Exim 4.94.2) (envelope-from ) id 1xQltb-00FUEa-0t; Tue, 10 Nov 2026 14:28:19 +0100 Date: Tue, 10 Nov 2026 14:28:19 +0100 From: Andrew Lunn To: David Yang Cc: netdev@vger.kernel.org, Vladimir Oltean , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , linux-kernel@vger.kernel.org Subject: Re: [PATCH net-next v2 1/2] net: dsa: motorcomm: Report error when FDB fails to add Message-ID: <4f5b92b6-7dfc-4065-90bb-3f5398b0f2a0@lunn.ch> References: <20261108094512.1285796-1-mmyangfl@gmail.com> <20261108094512.1285796-2-mmyangfl@gmail.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20261108094512.1285796-2-mmyangfl@gmail.com> On Sun, Nov 08, 2026 at 05:45:09PM +0800, David Yang wrote: > fdb_add() ignored any errors returned by the hardware. Return error for > that case. > > In practice the 4096-entry table is hardly ever filled, and since > fdb_add() will automatically expel dynamic entries, something bad will > definitively happen before you fill it up with static entries. This, > however, is in preparation for the upcoming static entry counters. > > Signed-off-by: David Yang Reviewed-by: Andrew Lunn Andrew