From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-ej1-f42.google.com (mail-ej1-f42.google.com [209.85.218.42]) (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 B4EC91494C2 for ; Wed, 3 Apr 2024 12:53:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.218.42 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712148806; cv=none; b=FP23gMKeiupCTDYLQ+KF4j8nV/6iSGzwLOQSkdmjk4mZBHdlbFXKUqmHW9l9umWKKmH2zQY5AZrdG62iU9pRxC7urQB6no98P57gGPd1LifCYDyNtlwDfonR0FgZXvrc+HO+SSkPqjVcoTTyd15m2t6UcrSK4CbPEmbSjL4vck4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712148806; c=relaxed/simple; bh=UntQTPh+2hrQn/xIlOWJaJgrauzrTj7yswbk+DwsRJs=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=A95FNpqmcXNG1e+AhRokIkx0T79pmZtmoXRwAN/absOaGpZE9zGhmQ/mnVUR0bZIe63IdOZAT+fAy9Zdd8kVwyYSHV9Ct+WPaXCS5ak9kPN6t0oFCH78qEug/wNoq0EFJxGlqW8Pu3OyyM9Ppq0KFr8LDhXnuVzZ16Q6pf+GDpE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=debian.org; spf=pass smtp.mailfrom=gmail.com; arc=none smtp.client-ip=209.85.218.42 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=debian.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-ej1-f42.google.com with SMTP id a640c23a62f3a-a4e34d138f9so659270466b.2 for ; Wed, 03 Apr 2024 05:53:24 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1712148803; x=1712753603; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=q4cj6vg+PLMD3bnAnC/7BKVkE+A86qwqaG5PcVTOt18=; b=Bp0agPBdzm6dptgopjfpETRqtDelb3iuVr167rO40JhDl6uXAJg5apD0Uo3YEuOzD2 qCtTvVT64aMWJbdBiaXGP/BkP3Pfvlr98jc/PzReWOEYYMcGAc7DqQtPRrx9ucoJwvQi y0hTazHEkFjvdN1XqxiamaQgq2A7amtK+ya0BrOQqfda0USmQP/mKVcLo0RamBbwD3h1 OR8qrYZqVpOL51D304O8vWtZp5oZ1+EFMIo8IMv6FF6sNoOHqP0Hizh81QJA+n9a2KiG Aq6tpfPREpA2/rPHC6ROhdctvL+9svMH9W4Az3AL+HthbcD8ruSZDNs6y6ZgD/b7+Yvd mIUg== X-Forwarded-Encrypted: i=1; AJvYcCVZHRT7NUbSiYpMUxtdNX3l3LrXa8eGcrJtAzjeZwFv+HU6QIUkWDYPWZ7bevYfUi1R6/h5PIQCUaqA8SYQGt/9gn+ruDvuIDHB0JxYiS0= X-Gm-Message-State: AOJu0YzJyRtSYOiou1UtVD8uymMBgbOhYZ0jARpzqecPMkEnSjCtx+VT H1sPIxEVND9Ccjsd7s0lMFyl/sCv2p39eZMNRUyzI/PVQvJSxis9 X-Google-Smtp-Source: AGHT+IG/LZvkvkvKke8uVXcXbrYjZ9FSvr+Pm5+/tdlPUCoe15E1D9VDt24wooC2fGJfQa9Hdwxe2A== X-Received: by 2002:a17:906:2284:b0:a4e:39f1:6374 with SMTP id p4-20020a170906228400b00a4e39f16374mr1812470eja.24.1712148803105; Wed, 03 Apr 2024 05:53:23 -0700 (PDT) Received: from gmail.com (fwdproxy-lla-007.fbsv.net. [2a03:2880:30ff:7::face:b00c]) by smtp.gmail.com with ESMTPSA id an3-20020a17090656c300b00a4e7c2b2070sm2694127ejc.8.2024.04.03.05.53.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 03 Apr 2024 05:53:16 -0700 (PDT) Date: Wed, 3 Apr 2024 05:53:12 -0700 From: Breno Leitao To: "Michael S. Tsirkin" Cc: hengqi@linux.alibaba.com, xuanzhuo@linux.alibaba.com, Jason Wang , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Andrew Melnychenko , rbc@meta.com, riel@surriel.com, stable@vger.kernel.org, qemu-devel@nongnu.org, "open list:VIRTIO CORE AND NET DRIVERS" , "open list:NETWORKING DRIVERS" , open list Subject: Re: [PATCH net v3] virtio_net: Do not send RSS key if it is not supported Message-ID: References: <20240329171641.366520-1-leitao@debian.org> <20240331160618-mutt-send-email-mst@kernel.org> Precedence: bulk X-Mailing-List: virtualization@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240331160618-mutt-send-email-mst@kernel.org> On Sun, Mar 31, 2024 at 04:20:30PM -0400, Michael S. Tsirkin wrote: > On Fri, Mar 29, 2024 at 10:16:41AM -0700, Breno Leitao wrote: > > @@ -3814,13 +3815,24 @@ static int virtnet_set_rxfh(struct net_device *dev, > > return -EOPNOTSUPP; > > > > if (rxfh->indir) { > > + if (!vi->has_rss) > > + return -EOPNOTSUPP; > > + > > for (i = 0; i < vi->rss_indir_table_size; ++i) > > vi->ctrl->rss.indirection_table[i] = rxfh->indir[i]; > > + update = true; > > } > > - if (rxfh->key) > > + > > + if (rxfh->key) { > > + if (!vi->has_rss && !vi->has_rss_hash_report) > > + return -EOPNOTSUPP; > > > What's the logic here? Is it || or &&? A comment can't hurt. If txfh carries a key, then the device needs to has either has_rss or has_rss_hash_report "features". These are basically virtio features VIRTIO_NET_F_HASH_REPORT and VIRTIO_NET_F_RSS that are set at virtio_probe. I will add the comment and respin the series.