From: Julio Faracco <[email protected]> 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
