Hi Drew,
For HCK_PARTIALCKSUM LSO device, hcksum_retrive() can not be used for
getting LSO MSS any more, but you may get the LSO MSS directly by "mss =
DB_LSOMSS(mp)" in the driver. And hcksum_retrive() is the only place
where is such assumption.
Build 53 is the first version with LSO support. :-)
Thanks,
Roamer
Andrew Gallatin wrote:
I have a HCK_PARTIALCKSUM device which does LSO. Unfortunately, it
looks like hcksum_retrieve() assumes that LSO and HCK_PARTIALCKSUM are
mutally exclusive. However, the comments in tcp_lsosend_data() would
seem to indicate there is no such assumption in at least the TCP send
path. Assuming I can work around hcksum_retrieve()'s assumption,
is anything else going to prevent a HCK_PARTIALCKSUM device from
working with LSO in Solaris?
BTW, what version of OpenSolaris did first LSO appear in? (trying to
figure out if I need to re-install my machines..)
Thanks,
Drew
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