CVS commit: src/sys/net

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

Module Name:    src
Committed By:   ozaki-r
Date:           Thu Dec  8 01:06:35 UTC 2016

Modified Files:
        src/sys/net: if.c if.h

Log Message:
Introduce deferred if_start framework

The framework provides a means to schedule if_start that will be executed
in softint later. It intends to be used to avoid calling if_start,
especially bpf_mtap, in hardware interrupt.

It adds a dedicated softint to a driver if the driver requests to use the
framework via if_deferred_start_init. The driver can schedule deferred
if_start by if_schedule_deferred_start.

Proposed and discussed on tech-kern and tech-net


To generate a diff of this commit:
cvs rdiff -u -r1.363 -r1.364 src/sys/net/if.c
cvs rdiff -u -r1.229 -r1.230 src/sys/net/if.h

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