netdev - Re: [PATCH net] bnxt: do not busy-poll when link is down

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Message-Id: <20161124.154005.944121181562755910.davem@davemloft.net>
Date:   Thu, 24 Nov 2016 15:40:05 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     gospo@...adcom.com
Cc:     netdev@...r.kernel.org, michael.chan@...adcom.com
Subject: Re: [PATCH net] bnxt: do not busy-poll when link is down

From: Andy Gospodarek <gospo@...adcom.com>
Date: Tue, 22 Nov 2016 13:14:08 -0500

> When busy polling while a link is down (during a link-flap test), TX
> timeouts were observed as well as the following messages in the ring
> buffer:
> 
> bnxt_en 0008:01:00.2 enP8p1s0f2d2: Resp cmpl intr err msg: 0x51
> bnxt_en 0008:01:00.2 enP8p1s0f2d2: hwrm_ring_free tx failed. rc:-1
> bnxt_en 0008:01:00.2 enP8p1s0f2d2: Resp cmpl intr err msg: 0x51
> bnxt_en 0008:01:00.2 enP8p1s0f2d2: hwrm_ring_free rx failed. rc:-1
> 
> These were resolved by checking for link status and returning if link
> was not up.
> 
> Signed-off-by: Andy Gospodarek <gospo@...adcom.com>
> Signed-off-by: Michael Chan <michael.chan@...adcom.com>
> Tested-by: Rob Miller <rob.miller@...adcom.com>

Applied.