diff options
| author | Eugene Crosser | 2016-06-16 16:18:57 +0200 |
|---|---|---|
| committer | David S. Miller | 2016-06-17 07:16:12 +0200 |
| commit | 6059c90537868bfd365163ba3dff95cf775939ff (patch) | |
| tree | ba0d5ffd135c9948ff46a21000c6a98c15a01117 /drivers/s390/net/qeth_core_main.c | |
| parent | qeth: enable scatter/gather by default (diff) | |
| download | kernel-qcow2-linux-6059c90537868bfd365163ba3dff95cf775939ff.tar.gz kernel-qcow2-linux-6059c90537868bfd365163ba3dff95cf775939ff.tar.xz kernel-qcow2-linux-6059c90537868bfd365163ba3dff95cf775939ff.zip | |
qeth: introduce linearization fail count to stats
When skb data touches too many pages, skb_linearize() is called
opportunistically in the hope that less pages will be required
for a big linear buffer than for multiple fragments. This patch
intoduces a separate counter in ethtool statistics structure
representing _failed_ linearization attempts.
Signed-off-by: Eugene Crosser <Eugene.Crosser@ru.ibm.com>
Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com>
Reviewed-by: Lakhvich Dmitriy <ldmitriy@ru.ibm.com>
Reviewed-by: Thomas Richter <tmricht@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/s390/net/qeth_core_main.c')
| -rw-r--r-- | drivers/s390/net/qeth_core_main.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/s390/net/qeth_core_main.c b/drivers/s390/net/qeth_core_main.c index a91a31d2fc9a..9806ee046fa5 100644 --- a/drivers/s390/net/qeth_core_main.c +++ b/drivers/s390/net/qeth_core_main.c @@ -5801,6 +5801,7 @@ static struct { {"tx do_QDIO count"}, {"tx csum"}, {"tx lin"}, + {"tx linfail"}, {"cq handler count"}, {"cq handler time"} }; @@ -5861,8 +5862,9 @@ void qeth_core_get_ethtool_stats(struct net_device *dev, data[32] = card->perf_stats.outbound_do_qdio_cnt; data[33] = card->perf_stats.tx_csum; data[34] = card->perf_stats.tx_lin; - data[35] = card->perf_stats.cq_cnt; - data[36] = card->perf_stats.cq_time; + data[35] = card->perf_stats.tx_linfail; + data[36] = card->perf_stats.cq_cnt; + data[37] = card->perf_stats.cq_time; } EXPORT_SYMBOL_GPL(qeth_core_get_ethtool_stats); |