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| author | John Fastabend <john.r.fastabend@intel.com> | 2015-03-18 14:57:33 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-03-18 14:55:18 -0400 |
| commit | 822b3b2ebfff8e9b3d006086c527738a7ca00cd0 (patch) | |
| tree | d3e6b25328bf4716982026b04dee8c0d2718a5d5 /Documentation/ABI | |
| parent | b65885d29d41c7245bbd98769e781f77e8d9ed5b (diff) | |
| download | lwn-822b3b2ebfff8e9b3d006086c527738a7ca00cd0.tar.gz lwn-822b3b2ebfff8e9b3d006086c527738a7ca00cd0.zip | |
net: Add max rate tx queue attribute
This adds a tx_maxrate attribute to the tx queue sysfs entry allowing
for max-rate limiting. Along with DCB-ETS and BQL this provides another
knob to tune queue performance. The limit units are Mbps.
By default it is disabled. To disable the rate limitation after it
has been set for a queue, it should be set to zero.
Signed-off-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'Documentation/ABI')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-class-net-queues | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-net-queues b/Documentation/ABI/testing/sysfs-class-net-queues index 5e9aeb91d355..0c0df91b1516 100644 --- a/Documentation/ABI/testing/sysfs-class-net-queues +++ b/Documentation/ABI/testing/sysfs-class-net-queues @@ -24,6 +24,14 @@ Description: Indicates the number of transmit timeout events seen by this network interface transmit queue. +What: /sys/class/<iface>/queues/tx-<queue>/tx_maxrate +Date: March 2015 +KernelVersion: 4.1 +Contact: netdev@vger.kernel.org +Description: + A Mbps max-rate set for the queue, a value of zero means disabled, + default is disabled. + What: /sys/class/<iface>/queues/tx-<queue>/xps_cpus Date: November 2010 KernelVersion: 2.6.38 |