CVS commit: src/sys/net

["Ryota Ozaki" <ozaki-r%netbsd.org@localhost>]

Module Name:    src
Committed By:   ozaki-r
Date:           Mon Feb 15 01:11:41 UTC 2016

Modified Files:
        src/sys/net: bridgestp.c if_bridge.c if_bridgevar.h

Log Message:
Simplify bridge(4)

Thanks to introducing softint-based if_input, the entire bridge code now
never run in hardware interrupt context. So we can simplify the code.

- Remove spin mutexes
  - They were needed because some code of bridge could run in
    hardware interrupt context
  - We now need only an adaptive mutex for each shared object
    (a member list and a forwarding table)
- Remove pktqueue
  - bridge_input is already in softint, using another softint
    (for bridge_forward) is useless
  - Packet distribution should be down at device drivers


To generate a diff of this commit:
cvs rdiff -u -r1.18 -r1.19 src/sys/net/bridgestp.c
cvs rdiff -u -r1.107 -r1.108 src/sys/net/if_bridge.c
cvs rdiff -u -r1.25 -r1.26 src/sys/net/if_bridgevar.h

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