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Diffstat (limited to 'Documentation/networking/device_drivers/aquantia/atlantic.txt')
| -rw-r--r-- | Documentation/networking/device_drivers/aquantia/atlantic.txt | 46 |
1 files changed, 43 insertions, 3 deletions
diff --git a/Documentation/networking/device_drivers/aquantia/atlantic.txt b/Documentation/networking/device_drivers/aquantia/atlantic.txt index d235cbaeccc6..2013fcedc2da 100644 --- a/Documentation/networking/device_drivers/aquantia/atlantic.txt +++ b/Documentation/networking/device_drivers/aquantia/atlantic.txt @@ -1,5 +1,5 @@ -aQuantia AQtion Driver for the aQuantia Multi-Gigabit PCI Express Family of -Ethernet Adapters +Marvell(Aquantia) AQtion Driver for the aQuantia Multi-Gigabit PCI Express +Family of Ethernet Adapters ============================================================================= Contents @@ -325,6 +325,46 @@ Supported ethtool options Example: ethtool -N eth0 flow-type udp4 action 0 loc 32 + UDP GSO hardware offload + --------------------------------- + UDP GSO allows to boost UDP tx rates by offloading UDP headers allocation + into hardware. A special userspace socket option is required for this, + could be validated with /kernel/tools/testing/selftests/net/ + + udpgso_bench_tx -u -4 -D 10.0.1.1 -s 6300 -S 100 + + Will cause sending out of 100 byte sized UDP packets formed from single + 6300 bytes user buffer. + + UDP GSO is configured by: + + ethtool -K eth0 tx-udp-segmentation on + + Private flags (testing) + --------------------------------- + + Atlantic driver supports private flags for hardware custom features: + + $ ethtool --show-priv-flags ethX + + Private flags for ethX: + DMASystemLoopback : off + PKTSystemLoopback : off + DMANetworkLoopback : off + PHYInternalLoopback: off + PHYExternalLoopback: off + + Example: + + $ ethtool --set-priv-flags ethX DMASystemLoopback on + + DMASystemLoopback: DMA Host loopback. + PKTSystemLoopback: Packet buffer host loopback. + DMANetworkLoopback: Network side loopback on DMA block. + PHYInternalLoopback: Internal loopback on Phy. + PHYExternalLoopback: External loopback on Phy (with loopback ethernet cable). + + Command Line Parameters ======================= The following command line parameters are available on atlantic driver: @@ -426,7 +466,7 @@ Support If an issue is identified with the released source code on the supported kernel with a supported adapter, email the specific information related -to the issue to support@aquantia.com +to the issue to aqn_support@marvell.com License ======= |