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| author | Eric Dumazet <edumazet@google.com> | 2014-03-27 08:45:56 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2014-03-28 16:49:48 -0400 |
| commit | 015f0688f57ca4d499047d335b8052a733e17a4d (patch) | |
| tree | ab376c7815815728d7f595e4a1b37ee303bfefc4 /include | |
| parent | 43279500decad66ccdddacae7948a1d23be1bef6 (diff) | |
| download | linux-015f0688f57ca4d499047d335b8052a733e17a4d.tar.gz linux-015f0688f57ca4d499047d335b8052a733e17a4d.tar.bz2 linux-015f0688f57ca4d499047d335b8052a733e17a4d.zip | |
net: net: add a core netdev->tx_dropped counter
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 caf586e5f23ce
("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>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/netdevice.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 4b6d12c7b803..159c7e7945f8 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -1311,9 +1311,10 @@ struct net_device { int iflink; struct net_device_stats stats; - atomic_long_t rx_dropped; /* dropped packets by core network - * Do not use this in drivers. - */ + + /* dropped packets by core network, Do not use this in drivers */ + atomic_long_t rx_dropped; + atomic_long_t tx_dropped; #ifdef CONFIG_WIRELESS_EXT /* List of functions to handle Wireless Extensions (instead of ioctl). |