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| author | Paul David <paul.david@ettus.com> | 2016-04-05 10:12:56 -0700 |
|---|---|---|
| committer | Ashish Chaudhari <ashish@ettus.com> | 2016-04-18 12:23:45 -0700 |
| commit | 9e0861e1b05fa88d2b6567b153a31759545e3a82 (patch) | |
| tree | 81ca9b62c01c604e43c9ea300302323526fe6a05 | |
| parent | ac1bb2963ed9f0de342c300986121db1c855fc1d (diff) | |
| download | uhd-9e0861e1b05fa88d2b6567b153a31759545e3a82.tar.gz uhd-9e0861e1b05fa88d2b6567b153a31759545e3a82.tar.bz2 uhd-9e0861e1b05fa88d2b6567b153a31759545e3a82.zip | |
docs: Updated linux transport documentation on tuning NICs
| -rw-r--r-- | host/docs/transport.dox | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/host/docs/transport.dox b/host/docs/transport.dox index 72d59fb2a..ab163341d 100644 --- a/host/docs/transport.dox +++ b/host/docs/transport.dox @@ -95,6 +95,18 @@ values, run the following commands: : Set the values permanently by editing `/etc/sysctl.conf`. +It is also possible to tune the network interface controller (NIC) +by using ethtool. Increasing the number of descriptors for TX or RX can +dramatically boost performance on some hosts. + +To change the number of TX/RX descriptors, run the following command: + + sudo ethtool -G <interface> tx <N> rx <N> + +One can query the maximums and current settings with the following command: + + ethtool -g <interface> + \subsection transport_udp_windows Windows specific notes <b>UDP send fast-path:</b> It is important to change the default UDP |