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I rewrote the interface handling code, so that it supports multiple

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addresses per interface (needed for example for IPv6 support).

Visible changes:

o  struct iface now contains a list of all interface addresses (represented
   by struct ifa), iface->addr points to the primary address (if any).
o  Interface has IF_UP set iff it's up and it has a primary address.
o  IF_UP is now independent on IF_IGNORED (i.e., you need to test IF_IGNORED
   in the protocols; I've added this, but please check).
o  The if_notify_change hook has been simplified (only one interface pointer
   etc.).
o  Introduced a ifa_notify_change hook. (For now, only the Direct protocol
   does use it -- it's wise to just listen to device routes in all other
   protocols.)
o  Removed IF_CHANGE_FLAGS notifier flag (it was meaningless anyway).
o  Updated all the code except netlink (I'll look at it tomorrow) to match
   the new semantics (please look at your code to ensure I did it right).

Things to fix:

o  Netlink.
o  Make krt-iface interpret "eth0:1"-type aliases as secondary addresses.
This commit is contained in:
Martin Mares
1999-05-06 21:38:11 +00:00
parent ec8b579e9c
commit 9a158361da
11 changed files with 368 additions and 168 deletions
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22
proto/ospf/ospf.c
View File

@@ -155,7 +155,7 @@ wait_timer_hook(timer *timer)
{
debug(" OSPF: Changing state into DR.\n");
ifa->state=OSPF_IS_DR;
ifa->drip=ifa->iface->ip;
ifa->drip=ifa->iface->addr->ip;
/* FIXME: Set ifa->drid */
}
else
@@ -221,7 +221,7 @@ find_iface(struct proto_ospf *p, struct iface *what)
}
void
ospf_if_notify(struct proto *p, unsigned flags, struct iface *new, struct iface *old)
ospf_if_notify(struct proto *p, unsigned flags, struct iface *iface)
{
struct ospf_iface *ifa;
sock *mcsk, *newsk;
@@ -231,13 +231,15 @@ ospf_if_notify(struct proto *p, unsigned flags, struct iface *new, struct iface
c=(struct ospf_config *)(p->cf);
DBG(" OSPF: If notify called\n");
if (iface->flags & IF_IGNORE)
return;
if((flags & IF_CHANGE_UP) && is_good_iface(p, new))
if((flags & IF_CHANGE_UP) && is_good_iface(p, iface))
{
debug(" OSPF: using interface %s.\n", new->name);
debug(" OSPF: using interface %s.\n", iface->name);
/* FIXME: Latter I'll use config - this is incorrect */
ifa=mb_alloc(p->pool, sizeof(struct ospf_iface));
ifa->iface=new;
ifa->iface=iface;
add_tail(&((struct proto_ospf *)p)->iface_list, NODE ifa);
ospf_iface_default(ifa);
/* FIXME: This should read config */
@@ -253,17 +255,17 @@ ospf_if_notify(struct proto *p, unsigned flags, struct iface *new, struct iface
if(flags & IF_CHANGE_DOWN)
{
if((ifa=find_iface((struct proto_ospf *)p, old))!=NULL)
if((ifa=find_iface((struct proto_ospf *)p, iface))!=NULL)
{
debug(" OSPF: killing interface %s.\n", old->name);
debug(" OSPF: killing interface %s.\n", iface->name);
}
}
if(flags & IF_CHANGE_MTU)
{
if((ifa=find_iface((struct proto_ospf *)p, old))!=NULL)
if((ifa=find_iface((struct proto_ospf *)p, iface))!=NULL)
{
debug(" OSPF: changing MTU on interface %s.\n", old->name);
debug(" OSPF: changing MTU on interface %s.\n", iface->name);
}
}
}
@@ -321,6 +323,4 @@ struct protocol proto_ospf = {
start: ospf_start,
preconfig: ospf_preconfig,
postconfig: ospf_postconfig,
};