OpenBSD/src nozBEtasys/net if.c if_var.h

   add optional per-cpu counters for interface stats.

   these exist so interfaces that want to do mpsafe work outside the
   ifq machinery have a place to allocate and update stats in. the
   generic ioctl handling for getting stats to userland knows how to
   roll the new per cpu stats into the rest before export.

   ok visa@
VersionDeltaFile
1.569+41-1sys/net/if.c
1.91+23-1sys/net/if_var.h
+64-22 files

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