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2005-07-29 Paul Jakma <paul.jakma@sun.com>

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* interface.c: (if_delete_update) should always be available, not
	  just on RTM_IFANNOUNCE/NETLINK systems.
	* kernel_socket.c: (ifan_read) only call if_delete_update when
	  interface departs, dont if_delete, because we wish to retain
	  interface configuration state even when interfaces are removed.
	  (ifm_read) If we dont have RTM_IFANNOUNCE, then transitioning
	  to down state is only chance we have to clean up interface in case
	  it is deleted (eg Solaris down -> unplumb -> plumb up).
	* redistribute.c: (zebra_interface_delete_update) should always be
	  available, we /will/ call it now on all systems, via
	  if_delete_update.
	* zserv.c: (zsend_interface_delete) ditto
	  (zsend_interface_address) Update the call-flow diagramme, to
	  reflect that if_delete_update /is/ now called on all systems,
	  potentially.
	* zserv.h: (zsend_interface_delete) unconditionally exported, as
	  above.
This commit is contained in:
paul 2005-07-29 14:36:00 +00:00
parent 7907c6c9d3
commit 6eb8827d66
6 changed files with 39 additions and 32 deletions
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20
zebra/ChangeLog
View File

@ -1,3 +1,23 @@
2005-07-29 Paul Jakma <paul.jakma@sun.com>
* interface.c: (if_delete_update) should always be available, not
just on RTM_IFANNOUNCE/NETLINK systems.
* kernel_socket.c: (ifan_read) only call if_delete_update when
interface departs, dont if_delete, because we wish to retain
interface configuration state even when interfaces are removed.
(ifm_read) If we dont have RTM_IFANNOUNCE, then transitioning
to down state is only chance we have to clean up interface in case
it is deleted (eg Solaris down -> unplumb -> plumb up).
* redistribute.c: (zebra_interface_delete_update) should always be
available, we /will/ call it now on all systems, via
if_delete_update.
* zserv.c: (zsend_interface_delete) ditto
(zsend_interface_address) Update the call-flow diagramme, to
reflect that if_delete_update /is/ now called on all systems,
potentially.
* zserv.h: (zsend_interface_delete) unconditionally exported, as
above.
2005-06-28 Paul Jakma <paul.jakma@sun.com>
* (global) Extern and static'ification, with related fixups

10
zebra/interface.c
View File

@ -290,14 +290,7 @@ if_add_update (struct interface *ifp)
}
}
/* Handle an interface delete event
*
* This function is only called when support for
* RTM_IFANNOUNCE or AF_NETLINK sockets (RTM_DELLINK message)
* is available. It is not called on, eg, Solaris.
*/
#if (defined(RTM_IFANNOUNCE) || defined(HAVE_NETLINK))
/* Handle an interface delete event */
void
if_delete_update (struct interface *ifp)
{
@ -405,7 +398,6 @@ if_delete_update (struct interface *ifp)
interface deletion message. */
ifp->ifindex = IFINDEX_INTERNAL;
}
#endif /* (defined(RTM_IFANNOUNCE) || defined(HAVE_NETLINK) */
/* Interface is up. */
void

21
zebra/kernel_socket.c
View File

@ -227,10 +227,7 @@ ifan_read (struct if_announcemsghdr *ifan)
if_add_update (ifp);
}
else if (ifp != NULL && ifan->ifan_what == IFAN_DEPARTURE)
{
if_delete_update (ifp);
if_delete (ifp);
}
if_delete_update (ifp);
if_get_flags (ifp);
if_get_mtu (ifp);
@ -397,7 +394,21 @@ ifm_read (struct if_msghdr *ifm)
{
ifp->flags = ifm->ifm_flags;
if (! if_is_up (ifp))
if_down (ifp);
{
if_down (ifp);
#ifndef RTM_IFANNOUNCE
/* No RTM_IFANNOUNCE on this platform, so we can never
* distinguish between down and delete. We must presume
* it has been deleted.
* Eg, Solaris will not notify us of unplumb.
*
* XXX: Fixme - this should be runtime detected
* So that a binary compiled on a system with IFANNOUNCE
* will still behave correctly if run on a platform without
*/
if_delete_update (ifp);
#endif /* RTM_IFANNOUNCE */
}
}
else
{

7
zebra/redistribute.c
View File

@ -345,12 +345,6 @@ zebra_interface_add_update (struct interface *ifp)
zsend_interface_add (client, ifp);
}
/*
* This function is only called when support for
* RTM_IFANNOUNCE or AF_NETLINK sockets (RTM_DELLINK message)
* is available. It is not called on Solaris.
*/
#if (defined(RTM_IFANNOUNCE) || defined(HAVE_NETLINK))
void
zebra_interface_delete_update (struct interface *ifp)
{
@ -364,7 +358,6 @@ zebra_interface_delete_update (struct interface *ifp)
if (client->ifinfo)
zsend_interface_delete (client, ifp);
}
#endif /* defined(RTM_IFANNOUNCE) || defined(HAVE_NETLINK) */
/* Interface address addition. */
void

11
zebra/zserv.c
View File

@ -203,12 +203,6 @@ zsend_interface_add (struct zserv *client, struct interface *ifp)
}
/* Interface deletion from zebra daemon. */
/*
* This function is only called when support for
* RTM_IFANNOUNCE or AF_NETLINK sockets (RTM_DELLINK message)
* is available. It is not called on Solaris.
*/
#if (defined(RTM_IFANNOUNCE) || defined(HAVE_NETLINK))
int
zsend_interface_delete (struct zserv *client, struct interface *ifp)
{
@ -240,7 +234,6 @@ zsend_interface_delete (struct zserv *client, struct interface *ifp)
return zebra_server_send_message (client);
}
#endif /* (defined(RTM_IFANNOUNCE) || defined(HAVE_LINUX_RTNETLINK_H)) */
/* Interface address is added/deleted. Send ZEBRA_INTERFACE_ADDRESS_ADD or
* ZEBRA_INTERFACE_ADDRESS_DELETE to the client.
@ -266,8 +259,8 @@ zsend_interface_delete (struct zserv *client, struct interface *ifp)
* |
* zebra_interface_address_delete_update
* ^ ^ ^
* | | if_delete_update (not called on
* | | Solaris)
* | | if_delete_update
* | |
* ip_address_uninstall connected_delete_ipv4
* [ipv6_addresss_uninstall] [connected_delete_ipv6]
* ^ ^

2
zebra/zserv.h
View File

@ -96,9 +96,7 @@ extern void zebra_snmp_init (void);
extern void zebra_vty_init (void);
extern int zsend_interface_add (struct zserv *, struct interface *);
#if (defined(RTM_IFANNOUNCE) || defined(HAVE_NETLINK))
extern int zsend_interface_delete (struct zserv *, struct interface *);
#endif
extern int zsend_interface_address (int, struct zserv *, struct interface *,
struct connected *);
extern int zsend_interface_update (int, struct zserv *, struct interface *);