Christopher Pohl
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devnp-mpc85xx: Tx csum capabilities ?
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Christopher Pohl
06/02/2008 8:16 AM
post8641
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devnp-mpc85xx: Tx csum capabilities ?
Hi,
the NIC driver for mpc85xx reports checksum offloading capabilities for the Rx direction only . From my understanding,
the eTSEC (e.g. MPC8548) also supports Tx offloading.
What's the reason that Tx is not offered by the driver?
# ./ifconfig
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 33192
inet 127.0.0.1 netmask 0xff000000
tsec0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
capabilities rx=7<IP4CSUM,TCP4CSUM,UDP4CSUM>
capabilities tx=0
enabled=0
address: 00:e0:00:c0:00:fc
media: Ethernet autoselect (1000baseT full-duplex)
status: active
Thanks,
Christopher
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