From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (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 BC4FA2DA75A for ; Sun, 8 Feb 2026 17:32:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770571939; cv=none; b=ScAa5ONzy54t07l/OFgTu4NvW7k0PtQV+besbImtyoF7+248c87HwQKdEwvJeUbWnofwA2IdmiQnpuMl7kSRAFhHgMMeGrEpWS5zJdUYlJRyfwNrQobqA+w7deEGzxXVQkS41H/Izjr/19262a27nS6MBYXgxT+t8U86wb5wlI0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770571939; c=relaxed/simple; bh=AEvdSTNs1SsDl6pEhRmUA1UXlMIvLZZpo5LQw/yYq7c=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Cfxb6T80tHuU0hcmVOB5425KagjrMIyqNOvbq8hzAvoqPN7bjOkpbMz2Tv84ek0qOShns0wWksBR1b33ovRTr0f8the7cIFxwB79z+oieoiiGP+88yCGgHFhn0HzbNJ1jTUkrHVDGNZgsTfExTlFiNX+k6VEJC8x9ryy7EGEX5c= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=cmZN8SyR; dkim=pass (2048-bit key) header.d=redhat.com header.i=@redhat.com header.b=n4KRl0/y; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="cmZN8SyR"; dkim=pass (2048-bit key) header.d=redhat.com header.i=@redhat.com header.b="n4KRl0/y" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1770571937; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=OenOUUyuTg99CmX32A/sK68Oz1m4ee6pqVCMdR0xc20=; b=cmZN8SyR6gJ4Cild6/2RkJUPEQoSSISkJBGL7x8I7v1g004VB0d5kC7iHfOlMqx2nJQwLz nQizlQPand8vJNp0e99+IjKWxLm7+EAza85NlvXauS5DgZ04gox96I+i/p8mKGYnWd8FBr mH1lCGJ2GTWGHdn0g2BLgkxHFKUsd4U= Received: from mail-wm1-f70.google.com (mail-wm1-f70.google.com [209.85.128.70]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-651-EVZxtyimOyGi1pqmaCA3kQ-1; Sun, 08 Feb 2026 12:32:16 -0500 X-MC-Unique: EVZxtyimOyGi1pqmaCA3kQ-1 X-Mimecast-MFC-AGG-ID: EVZxtyimOyGi1pqmaCA3kQ_1770571935 Received: by mail-wm1-f70.google.com with SMTP id 5b1f17b1804b1-4803e8b6007so34785395e9.0 for ; Sun, 08 Feb 2026 09:32:16 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=google; t=1770571935; x=1771176735; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=OenOUUyuTg99CmX32A/sK68Oz1m4ee6pqVCMdR0xc20=; b=n4KRl0/yR3vxAlGqJ/0JCPZmgQhzOq9OmXqT4ioo9Jpr3Kt/9AdiJsT9mb2nnX6WkY awvwc+w/mVebp/GVJWwLbhcr3x5pykjPsNrgW+ejsRggXLn7GRIB+wahVrC5upZnBNqI TRfEUG0mrVG+YDd6L86ux1aTpp4yKCVdCmqopn3BuXPR6WJdtSMLUmoFuN1Y6dDdvcYN vF0AeA3fhVHELK5sPw2FxUn4uooBBMkN00dH1y8FPMFIbLMy/qHHfOCNVWuN2Q2xaz/H jmptcXKk/pQsKJSyBW9bkU84ljSHjHbIGuivjft88ozwuysn3r3gwQwc/rGaT9BwAjJg EUwA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1770571935; x=1771176735; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-gg:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=OenOUUyuTg99CmX32A/sK68Oz1m4ee6pqVCMdR0xc20=; b=XeCLXOrDJ1r23nnNBxXxMQU59vU8Bp+5pF4ezvQNAArUd+/Z/S0e3pgNRv2qBBAEaS wQ+MxnzzkR5yQVX5diuL+CMkm4EJA4dZ0D7KeJndSS/PrTQQh80Xp4DnIx6KlVYR6+do yXXCvRnjLWWQ5kGwp4ALi5mjz0yXhMJgRSz3JaBb4tj3qjLa1/f2bsmrjtp+Hy08GTP3 T9YiapyXTlYLR57dHUEeLMjgEwAyrYR1plwZsnlUa5arpCs3jo8macuGj8drOU0ijH+A oZMTJRP78MNC40r4PNZLwjEiD+VhD76aZvBMzok39B3Fqba6EUWfNYBGv+PrcUr0dRAV lkFA== X-Forwarded-Encrypted: i=1; AJvYcCUWX471T7YrMuKNCvlgtMh+K8Khy7MTuuL06U+YpKVKLiw/rjS57YndSgcs5aBCUwsGbTrKPfw=@vger.kernel.org X-Gm-Message-State: AOJu0YwVnE0lTFbwOUl/B23yGKHSM1AgbLd5VwbccRbotSwfUr5xCw5E t/wo/xU0K3+m8XT20CS6M9SEu51ik/WGgBpDkv5mI9Tvu/353vDkiPFcOo1/ciZs73Xr9oi33X1 gn6k+ZCBTHwpBMlbr2q4O50EVfKK0eE0YUPWwEbdgZrmqD2krHHAZGwY47g== X-Gm-Gg: AZuq6aKhBNTwVwDkxBJlSU2gFk4yPv8vhbCVLjSER5a/k8+0i5M10BC2sPjWQwduDkb oZ15h0C9u828B94r6uqR4uLiWJxelBD7p3GDv6dCCB/tYxQUyWNnBG6CKB4vEMhNcRbGegg99Y/ 5IY7uwUeLpovcXS73TacSAPlLFbT+eHDhpZsOsn+18oM9X5L0C/5VB9piRYikYyPPl1M8S191Ta W5OS8CCF2Hx9ROQtv1DVGTG8318imUwjQVUdf6c/UTZ4LpgAfvfc1W5IXbmn+brUqy0CwHWxp6x N3ehCFMnP6DECd4f6FBLE9JGQVrF8Yf7BU7TMLBx11Hngjh+QCtw/ExQoBWMJFC5O4OKUc4PdQs bodzPCi8QJOYgFnrU+LFFsKRjleHdMMWRyQ== X-Received: by 2002:a05:600c:5253:b0:480:1e9e:f9b with SMTP id 5b1f17b1804b1-483201eead3mr146871485e9.16.1770571935089; Sun, 08 Feb 2026 09:32:15 -0800 (PST) X-Received: by 2002:a05:600c:5253:b0:480:1e9e:f9b with SMTP id 5b1f17b1804b1-483201eead3mr146871275e9.16.1770571934705; Sun, 08 Feb 2026 09:32:14 -0800 (PST) Received: from redhat.com (IGLD-80-230-34-155.inter.net.il. [80.230.34.155]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48317d345c2sm391883135e9.6.2026.02.08.09.32.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 08 Feb 2026 09:32:14 -0800 (PST) Date: Sun, 8 Feb 2026 12:32:11 -0500 From: "Michael S. Tsirkin" To: Cindy Lu Cc: jasowang@redhat.com, kvm@vger.kernel.org, virtualization@lists.linux.dev, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [RFC 1/3] uapi: vhost: add vhost-net netfilter offload API Message-ID: <20260208123029-mutt-send-email-mst@kernel.org> References: <20260208143441.2177372-1-lulu@redhat.com> <20260208143441.2177372-2-lulu@redhat.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260208143441.2177372-2-lulu@redhat.com> On Sun, Feb 08, 2026 at 10:32:22PM +0800, Cindy Lu wrote: > Add VHOST_NET_SET_FILTER ioctl and the filter socket protocol used for > vhost-net filter offload. > > Signed-off-by: Cindy Lu > --- > include/uapi/linux/vhost.h | 20 ++++++++++++++++++++ > 1 file changed, 20 insertions(+) > > diff --git a/include/uapi/linux/vhost.h b/include/uapi/linux/vhost.h > index c57674a6aa0d..d9a0ca7a3df0 100644 > --- a/include/uapi/linux/vhost.h > +++ b/include/uapi/linux/vhost.h > @@ -131,6 +131,26 @@ > * device. This can be used to stop the ring (e.g. for migration). */ > #define VHOST_NET_SET_BACKEND _IOW(VHOST_VIRTIO, 0x30, struct vhost_vring_file) > > +/* VHOST_NET filter offload (kernel vhost-net dataplane through QEMU netfilter) */ > +struct vhost_net_filter { > + __s32 fd; > +}; > + > +enum { > + VHOST_NET_FILTER_MSG_REQUEST = 1, > +}; > + > +#define VHOST_NET_FILTER_DIRECTION_TX 1 > + > +struct vhost_net_filter_msg { > + __u16 type; > + __u16 direction; > + __u32 len; > +}; > + > + > +#define VHOST_NET_SET_FILTER _IOW(VHOST_VIRTIO, 0x31, struct vhost_net_filter) > + > /* VHOST_SCSI specific defines */ can we get some info on what this is supposed to be doing, pls? it belongs here where userspace devs can find it, not hidden in code. > > #define VHOST_SCSI_SET_ENDPOINT _IOW(VHOST_VIRTIO, 0x40, struct vhost_scsi_target) > -- > 2.52.0