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arcnet: add err_skb package for package status feedback

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We need to track the status of our queued packages. This way the driving
process knows if failed packages need to be retransmitted. For this
purpose we queue the transferred/failed packages back into the err_skb
message queue added with some status information.

Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michael Grzeschik
2017-06-28 18:32:18 +02:00
committed by David S. Miller
parent 65344ba998
commit 05fcd31cc4
2 changed files with 68 additions and 10 deletions
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4
drivers/net/arcnet/arcdevice.h
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@@ -269,6 +269,10 @@ struct arcnet_local {
struct timer_list timer;
struct net_device *dev;
int reply_status;
struct tasklet_struct reply_tasklet;
/*
* Buffer management: an ARCnet card has 4 x 512-byte buffers, each of
* which can be used for either sending or receiving. The new dynamic