linux-kernel - Re: [PATCH net] hv_netvsc: Fix unwanted rx

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Date:   Fri, 20 Dec 2019 21:50:48 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     haiyangz@...rosoft.com
Cc:     sashal@...nel.org, linux-hyperv@...r.kernel.org,
        netdev@...r.kernel.org, kys@...rosoft.com, sthemmin@...rosoft.com,
        olaf@...fle.de, vkuznets@...hat.com, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net] hv_netvsc: Fix unwanted rx_table reset

From: Haiyang Zhang <haiyangz@...rosoft.com>
Date: Thu, 19 Dec 2019 18:28:10 -0800

> In existing code, the receive indirection table, rx_table, is in
> struct rndis_device, which will be reset when changing MTU, ringparam,
> etc. User configured receive indirection table values will be lost.
> 
> To fix this, move rx_table to struct net_device_context, and check
> netif_is_rxfh_configured(), so rx_table will be set to default only
> if no user configured value.
> 
> Fixes: ff4a44199012 ("netvsc: allow get/set of RSS indirection table")
> Signed-off-by: Haiyang Zhang <haiyangz@...rosoft.com>

Applied.