svn commit: r211157 - in head/sys: modules modules/if_carp net
jhb at FreeBSD.org
Wed Aug 11 18:36:27 UTC 2010
Will Andrews wrote:
> Author: will
> Date: Wed Aug 11 00:51:50 2010
> New Revision: 211157
> URL: http://svn.freebsd.org/changeset/base/211157
> Allow carp(4) to be loaded as a kernel module. Follow precedent set by
> bridge(4), lagg(4) etc. and make use of function pointers and
> pf_proto_register() to hook carp into the network stack.
> Currently, because of the uncertainty about whether the unload path is free
> of race condition panics, unloads are disallowed by default. Compiling with
> CARPMOD_CAN_UNLOAD in CFLAGS removes this anti foot shooting measure.
> This commit requires IP6PROTOSPACER, introduced in r211115.
This doesn't compile due to duplicate function pointer definitions (e.g.
if_bridge.c and if_ether.c). You should move all the function pointer
definitions to net/if.c and add declarations for them to a header
instead of a bunch of 'extern' declarations in if_carp.c itself.
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