CVS commit: src/sys/net

["Jason R Thorpe" <thorpej%netbsd.org@localhost>]

Module Name:    src
Committed By:   thorpej
Date:           Wed Jan 29 03:16:28 UTC 2020

Modified Files:
        src/sys/net: Makefile files.net if.c if.h
Added Files:
        src/sys/net: if_stats.c if_stats.h

Log Message:
Add support for MP-safe network interface statistics by maintaining them
in per-cpu storage, and collecting them for export in an if_data structure
when user-space wants them.

The new if_stat API is structured to make a gradual transition to the
new way in network drivers possible, and per-cpu stats are currently
disabled (thus there is no kernel ABI change).  Once all drivers have
been converted, the old ABI will be removed, and per-cpu stats will be
enabled universally.


To generate a diff of this commit:
cvs rdiff -u -r1.41 -r1.42 src/sys/net/Makefile
cvs rdiff -u -r1.24 -r1.25 src/sys/net/files.net
cvs rdiff -u -r1.468 -r1.469 src/sys/net/if.c
cvs rdiff -u -r1.277 -r1.278 src/sys/net/if.h
cvs rdiff -u -r0 -r1.1 src/sys/net/if_stats.c src/sys/net/if_stats.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.