Hi,
We are using intel NIC cards and IGB driver running in a LINUX box. Even
though the hardware throughput of the NIC card is 1 GBPs , we are not able
reach even 25% of the limit.
So my question is, what is the way to enable or configure NAPI for IGB driver.
As we use Linux, running kernel version 3.10.40, this version of the Linux
kernel supports NAPI interfaces.
CX1200-210.116:1-1*:/root # uname -a
Linux CX1200-210.116 3.10.40.cge-rt38-prert #1 SMP PREEMPT RT Thu Sep 29
20:54:10 PDT 2016 x86_64 GNU/Linux
CX1200-210.116:1-1*:/root # ethtool -i eth0
driver: igb
version: 5.2.9.4
firmware-version: 0.0.0
bus-info: 0000:00:14.0
supports-statistics: yes
supports-test: yes
supports-eeprom-access: yes
supports-register-dump: yes
supports-priv-flags: no
CX1200-210.116:1-1*:/root # ethtool eth0
Settings for eth0:
Supported ports: [ FIBRE ]
Supported link modes: 100baseT/Full
1000baseT/Full
2500baseX/Full
Supported pause frame use: Symmetric
Supports auto-negotiation: Yes
Advertised link modes: 1000baseT/Full
Advertised pause frame use: Symmetric
Advertised auto-negotiation: Yes
Speed: 1000Mb/s
Duplex: Full
Port: FIBRE
PHYAD: 0
Transceiver: external
Auto-negotiation: on
Supports Wake-on: pumbg
Wake-on: g
Current message level: 0x00000007 (7)
drv probe link
Link detected: yes
CX1200-210.116:1-1*:/root #
Thanks,
Biswajit..
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