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ifupdown: support 'link' address family

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Does not configure anything. L2 configuration hook scripts should do
their job on receiving ADDRFAM=link. Configuration will be done only
once, irrespective of L3 protocols used.

Using the 'link' family in the interfaces file conforms to the Debian
implementation:

http://sources.debian.net/src/ifupdown/0.7.47.1/link.defn

function                                             old     new   delta
link_methods                                           -      12     +12
addr_link                                              -      12     +12
link_up_down                                           -       6      +6
static.addr_fams                                      12      16      +4
------------------------------------------------------------------------------
(add/remove: 3/0 grow/shrink: 1/0 up/down: 34/0)               Total: 34 bytes

Signed-off-by: Kaarle Ritvanen <kaarle.ritvanen@datakunkku.fi>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Kaarle Ritvanen
2014-02-03 15:56:20 +01:00
committed by Denys Vlasenko
parent d353bfff46
commit fe8390e0fe
1 changed files with 13 additions and 0 deletions
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13
networking/ifupdown.c
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@@ -685,6 +685,18 @@ static const struct address_family_t addr_inet = {
#endif /* FEATURE_IFUPDOWN_IPV4 */ #endif /* FEATURE_IFUPDOWN_IPV4 */
static int FAST_FUNC link_up_down(struct interface_defn_t *ifd UNUSED_PARAM, execfn *exec UNUSED_PARAM)
{
return 1;
}
static const struct method_t link_methods[] = {
{ "none", link_up_down, link_up_down }
};
static const struct address_family_t addr_link = {
"link", ARRAY_SIZE(link_methods), link_methods
};
/* Returns pointer to the next word, or NULL. /* Returns pointer to the next word, or NULL.
* In 1st case, advances *buf to the word after this one. * In 1st case, advances *buf to the word after this one.
@@ -831,6 +843,7 @@ static struct interfaces_file_t *read_interfaces(const char *filename, struct in
#if ENABLE_FEATURE_IFUPDOWN_IPV6 #if ENABLE_FEATURE_IFUPDOWN_IPV6
&addr_inet6, &addr_inet6,
#endif #endif
&addr_link,
NULL NULL
}; };
char *iface_name; char *iface_name;