linux-kernel - [PATCH RFC net-next 0/2] drivers: net: virtio

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Message-Id: <20191006184515.23048-1-jcfaracco@gmail.com>
Date:   Sun,  6 Oct 2019 15:45:13 -0300
From:   jcfaracco@...il.com
To:     netdev@...r.kernel.org
Cc:     mst@...hat.com, jasowang@...hat.com, davem@...emloft.net,
        virtualization@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org, dnmendes76@...il.com
Subject: [PATCH RFC net-next 0/2] drivers: net: virtio_net: Implement 

From: Julio Faracco <jcfaracco@...il.com>

Driver virtio_net is not handling error events for TX provided by 
dev_watchdog. This event is reached when transmission queue is having 
problems to transmit packets. To enable it, driver should have 
.ndo_tx_timeout implemented. This serie has two commits:

In the past, we implemented a function to recover driver state when this
kind of event happens, but the structure was to complex for virtio_net
that moment. Alternativelly, this skeleton should be enough for now.

For further details, see thread:
https://lkml.org/lkml/2015/6/23/691

Patch 1/2:
  Add statistic field for TX timeout events.

Patch 2/2:
  Implement a skeleton function to debug TX timeout events.

Julio Faracco (2):
  drivers: net: virtio_net: Add tx_timeout stats field
  drivers: net: virtio_net: Add tx_timeout function

 drivers/net/virtio_net.c | 33 ++++++++++++++++++++++++++++++++-
 1 file changed, 32 insertions(+), 1 deletion(-)

-- 
2.21.0