On Wed, 29 Feb 2012, Grant Edwards wrote:
[snip]
> OK, I've come up with something I like a little better. The only
> change it requires to the network stack is that ip6_init2() needs to
> be globally visible (ip6_init already is, so I don't see the harm in
> making ip6_init2 visible). If ip6_init2 is visible, then you can
> disable ipv6 support with this code:
>
> static void init_noop(void* dummy)
> {
> }
>
> static void disable_ipv6(void)
> {
> extern void cyg_net_add_domain(void *);
> extern void ip6_init2(void *);
> extern char inet6domain[];
> extern struct init_tab_entry __NET_INIT_TAB__[], __NET_INIT_TAB_END__;
> struct init_tab_entry *init_entry;
>
> for (init_entry = __NET_INIT_TAB__; init_entry != &__NET_INIT_TAB_END__;
> init_entry++)
> if ((init_entry->fun == cyg_net_add_domain && init_entry->data ==
> (void*)inet6domain) ||
> (init_entry->fun == ip6_init2))
> init_entry->fun = init_noop;
> }
IMHO, it is neat solution. Thanks for usage example. BTW, the KAME's
successors had declared ip6_init2() as you suggest:
http://ftp.fr.openbsd.org/pub/OpenBSD/src/sys/netinet6/ip6_input.c
Please, submit the patch.
Sergei
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