net: net: add a core netdev->tx_dropped counter

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Dropping packets in __dev_queue_xmit() when transmit queue
is stopped (NIC TX ring buffer full or BQL limit reached) currently
outputs a syslog message.

It would be better to get a precise count of such events available in
netdevice stats so that monitoring tools can have a clue.

This extends the work done in caf586e5f2
("net: add a core netdev->rx_dropped counter")

Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Eric Dumazet 2014-03-27 08:45:56 -07:00 • committed by David S. Miller

parent 43279500de

commit 015f0688f5

2 changed files with 6 additions and 3 deletions

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7

include/linux/netdevice.h

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2

net/core/dev.c

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