linux-kernel - Re: [PATCH] net: ethernet: ti: cpsw: wake tx queues on ndo_tx

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Date:   Sun, 02 Apr 2017 19:43:06 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     grygorii.strashko@...com
Cc:     netdev@...r.kernel.org, nsekhar@...com,
        linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org,
        ivan.khoronzhuk@...aro.org
Subject: Re: [PATCH] net: ethernet: ti: cpsw: wake tx queues on
 ndo_tx_timeout

From: Grygorii Strashko <grygorii.strashko@...com>
Date: Fri, 31 Mar 2017 18:41:23 -0500

> In case, if TX watchdog is fired some or all netdev TX queues will be
> stopped and as part of recovery it is required not only to drain and
> reinitailize CPSW TX channeles, but also wake up stoppted TX queues what
> doesn't happen now and netdevice will stop transmiting data until
> reopenned.
> 
> Hence, add netif_tx_wake_all_queues() call in .ndo_tx_timeout() to complete
> recovery and restore TX path.
> 
> Signed-off-by: Grygorii Strashko <grygorii.strashko@...com>

Applied, thank you.