CVSROOT:        /cvs
Module name:    src
Changes by:     d...@cvs.openbsd.org    2019/06/10 16:59:01

Modified files:
        sys/sys        : mbuf.h 

Log message:
add M_TIMESTAMP as a csum_flags option to say ph_timestamp is set

this is so hardware that supports timestamping can set the time and
say so for things like bpf and the SO_TIMESTAMP socket option to use.

the intention is that ph_timestamp will store the nanosecond since
the system booted, which is in line with how fq_codel (the only
user of the field at the moment) uses it.

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