Received: by 2002:a05:6a10:f347:0:0:0:0 with SMTP id d7csp481773pxu; Tue, 5 Jan 2021 17:19:00 -0800 (PST) X-Google-Smtp-Source: ABdhPJxdJ+ANSjwPiojmpumNNY3CZNBrVNaUqU6HBgEYm8x2XxFvD6JzWNfwogW2C4A0d3pMmtGJ X-Received: by 2002:a05:6402:1045:: with SMTP id e5mr2374771edu.40.1609895940573; Tue, 05 Jan 2021 17:19:00 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1609895940; cv=none; d=google.com; s=arc-20160816; b=QuieXt/7Sh6evPDj+CxkATLV/+yJoLX4+tZaWrMjHi6w2tyGB10PwDkln4/8nYODMK h25tODIDPtJIvAjsG7LS1TZyLwSBAyJfabCAcVxxkvKlDRr9MqyuVVd/HUawXsL2t6fr c17UyTsL50aTXtccWc4K9G/eawvJRtvcpvV2z5fvuw4B1bhN8EgqwhtRgjznGjVWA/kI gHMVaUnYETb9Z0nSg5xUaaAI8MUZfK6W+1d9MBOnsIwXjuFzwLjI85px5s5IZIQaQtS7 32/Q4xsSZEUsyaI3ThYOM+BPCGAZhhVvl0LA3PZJPw3PVSBpvZew0Vdeg3jnySkwwtye O6UA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:message-id:date:subject:cc:to:from :dkim-signature:dkim-filter; bh=zm8eC3xF7Hbpi33J1Uuo/TnBL28HOT6rtMl6r25E81M=; b=tumbfPtwSvVbKJyTXcrRMTZ7J1MP8HRvS1kPQg4qm3Qj+kTdjYMfq75BwbSJFWp8w4 7rIrZTwz7AyjYeo14gIY0KrMVugFfbBYLqUzEpYqMR9UZimoNHvG7sGuCfxf6BkV7ws8 iOUYUlc09RYpuvHQSvu4d11tCrZPdAv21q7kexB+5dv4OSsFVEGBVfkhyGU334yuf/Gb 3jqs97CmnE1wJFt62DRq6HSMnqj0MvPA6u68Jvlp3MVduaXLtTR3UixtVrfjg0ovp7im BXgUSJzeKUOF6Q5TuB9CNq6bRNcXQOS1FkuHfttvFlVV6oQWv3Ere1Ph4oEw48n6MUt8 h41w== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linuxonhyperv.com header.s=default header.b=MBn80HGV; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxonhyperv.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id e14si327571ejj.571.2021.01.05.17.18.37; Tue, 05 Jan 2021 17:19:00 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@linuxonhyperv.com header.s=default header.b=MBn80HGV; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxonhyperv.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726222AbhAFBQ7 (ORCPT + 99 others); Tue, 5 Jan 2021 20:16:59 -0500 Received: from linux.microsoft.com ([13.77.154.182]:54186 "EHLO linux.microsoft.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725828AbhAFBQ7 (ORCPT ); Tue, 5 Jan 2021 20:16:59 -0500 Received: by linux.microsoft.com (Postfix, from userid 1004) id 092F020B7192; Tue, 5 Jan 2021 17:16:19 -0800 (PST) DKIM-Filter: OpenDKIM Filter v2.11.0 linux.microsoft.com 092F020B7192 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxonhyperv.com; s=default; t=1609895779; bh=zm8eC3xF7Hbpi33J1Uuo/TnBL28HOT6rtMl6r25E81M=; h=From:To:Cc:Subject:Date:From; b=MBn80HGVHCr1Ovb9MezP70/Ql/+s95GPGjaeYslojxb2Hg6bL+Vhsy+2pyquLvUtN hge5GGxTETUHWOBgZ+rrCITkM9s60SxT4zqqsnqwFNKTYQBWpDxTv/gvP/MwCTyXPA y//rZkafgJ+8++58Njdda9ETIymD+2ZI4bmcxr+c= From: Long Li To: "K. Y. Srinivasan" , Haiyang Zhang , Stephen Hemminger , Wei Liu , "David S. Miller" , Jakub Kicinski , linux-hyperv@vger.kernel.org, netdev@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Long Li Subject: [PATCH 1/3] hv_netvsc: Check VF datapath when sending traffic to VF Date: Tue, 5 Jan 2021 17:15:51 -0800 Message-Id: <1609895753-30445-1-git-send-email-longli@linuxonhyperv.com> X-Mailer: git-send-email 1.8.3.1 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Long Li The driver needs to check if the datapath has been switched to VF before sending traffic to VF. Signed-off-by: Long Li --- drivers/net/hyperv/netvsc_drv.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/hyperv/netvsc_drv.c b/drivers/net/hyperv/netvsc_drv.c index f32f28311d57..5dd4f37afa3d 100644 --- a/drivers/net/hyperv/netvsc_drv.c +++ b/drivers/net/hyperv/netvsc_drv.c @@ -539,7 +539,8 @@ static int netvsc_xmit(struct sk_buff *skb, struct net_device *net, bool xdp_tx) */ vf_netdev = rcu_dereference_bh(net_device_ctx->vf_netdev); if (vf_netdev && netif_running(vf_netdev) && - netif_carrier_ok(vf_netdev) && !netpoll_tx_running(net)) + netif_carrier_ok(vf_netdev) && !netpoll_tx_running(net) && + net_device_ctx->data_path_is_vf) return netvsc_vf_xmit(net, vf_netdev, skb); /* We will atmost need two pages to describe the rndis -- 2.27.0