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When attempting to modify the interface MTU for an
ixgbe-3.3.9-TNAPI/pf_ring 5.1 I received the following message:
[root@golumn:/proc/net/pf_ring/dev] ifconfig tnapi0 mtu 9000
SIOCSIFMTU: Invalid argument
syslogging:
Oct 15 11:23:02 golumn kernel: [2841049.206206] [TNAPI] MTU resize is
not YET supported on TNAPI (TODO)
- From ixgbe-3.3.9-TNAPI/src/ixgbe_main.c it is clear where the message
is coming from and why, but I am wondering if there is anything to be
done which would allow the tnapi0 interface to be pinned at MTU=9000?
The card is an Intel 82599 - additional info is:
[root@golumn:/proc/net/pf_ring/dev] cat tnapi0/info
Name: tnapi0
Index: 34
Address: 00:1B:21:6E:CC:5A
Polling Mode: NAPI/TNAPI
Type: Ethernet
Family: Standard NIC
# Bound Sockets: 0
Max # TX Queues: 32
# Used RX Queues: 32
[root@golumn:/proc/net/pf_ring/dev] ifconfig tnapi0
tnapi0 Link encap:Ethernet HWaddr 00:1B:21:6E:CC:5A
inet6 addr: fe80::21b:21ff:fe6e:cc5a/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:1985 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:2916437 (2.7 MiB) TX bytes:0 (0.0 b)
Memory:f8e80000-f8f00000
many thanks!
scott
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