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ospf6d: assign zebra router-id to ospf6 instance

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Store zebra router-id in global structure.
Before router ospf6 instance created,
zebra router-id callback called.

During ospf6 main execution zebra init happens,
but default instance does not execute until
cli replay 'router ospf6'.
Call ospf6_router_id_change during 'router ospf6'
to assign zebra router id to ospf6 instance.

Ticket:CM-19937
Testing Done:
Assign Loopback /32 (6.6.6.6/32) address,
restart frr with (router ospf6 in frr.conf).
ospf6 default instance assigned 6.6.6.6 router-id.

Signed-off-by: Chirag Shah <chirag@cumulusnetworks.com>
This commit is contained in:
Chirag Shah 2018-02-27 11:24:16 -08:00
parent c98f4d81aa
commit 78c6ba61db
4 changed files with 46 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
ospf6d/ospf6_main.c
View File

@ -202,6 +202,9 @@ int main(int argc, char *argv[], char *envp[])
exit(1);
}
/* OSPF6 master init. */
ospf6_master_init();
/* thread master */
master = frr_init();

26
ospf6d/ospf6_top.c
View File

@ -53,6 +53,8 @@ DEFINE_QOBJ_TYPE(ospf6)
/* global ospf6d variable */
struct ospf6 *ospf6;
static struct ospf6_master ospf6_master;
struct ospf6_master *om6;
static void ospf6_disable(struct ospf6 *o);
@ -230,6 +232,13 @@ static void ospf6_disable(struct ospf6 *o)
}
}
void ospf6_master_init(void)
{
memset(&ospf6_master, 0, sizeof(struct ospf6_master));
om6 = &ospf6_master;
}
static int ospf6_maxage_remover(struct thread *thread)
{
struct ospf6 *o = (struct ospf6 *)THREAD_ARG(thread);
@ -285,6 +294,17 @@ void ospf6_maxage_remove(struct ospf6 *o)
&o->maxage_remover);
}
void ospf6_router_id_update(void)
{
if (!ospf6)
return;
if (ospf6->router_id_static != 0)
ospf6->router_id = ospf6->router_id_static;
else
ospf6->router_id = om6->zebra_router_id;
}
/* start ospf6 */
DEFUN_NOSH (router_ospf6,
router_ospf6_cmd,
@ -292,9 +312,11 @@ DEFUN_NOSH (router_ospf6,
ROUTER_STR
OSPF6_STR)
{
if (ospf6 == NULL)
if (ospf6 == NULL) {
ospf6 = ospf6_create();
if (ospf6->router_id == 0)
ospf6_router_id_update();
}
/* set current ospf point. */
VTY_PUSH_CONTEXT(OSPF6_NODE, ospf6);

8
ospf6d/ospf6_top.h
View File

@ -24,6 +24,11 @@
#include "qobj.h"
#include "routemap.h"
struct ospf6_master {
uint32_t zebra_router_id;
};
/* OSPFv3 top level data structure */
struct ospf6 {
/* my router id */
@ -109,10 +114,13 @@ DECLARE_QOBJ_TYPE(ospf6)
/* global pointer for OSPF top data structure */
extern struct ospf6 *ospf6;
extern struct ospf6_master *om6;
/* prototypes */
extern void ospf6_master_init(void);
extern void ospf6_top_init(void);
extern void ospf6_delete(struct ospf6 *o);
extern void ospf6_router_id_update(void);
extern void ospf6_maxage_remove(struct ospf6 *o);

13
ospf6d/ospf6_zebra.c
View File

@ -55,13 +55,22 @@ static int ospf6_router_id_update_zebra(int command, struct zclient *zclient,
zebra_router_id_update_read(zclient->ibuf, &router_id);
om6->zebra_router_id = router_id.u.prefix4.s_addr;
if (o == NULL)
return 0;
o->router_id_zebra = router_id.u.prefix4;
if (IS_OSPF6_DEBUG_ZEBRA(RECV)) {
char buf[INET_ADDRSTRLEN];
if (o->router_id == 0)
o->router_id = (uint32_t)o->router_id_zebra.s_addr;
zlog_debug("%s: zebra router-id %s update",
__PRETTY_FUNCTION__,
inet_ntop(AF_INET, &router_id.u.prefix4,
buf, INET_ADDRSTRLEN));
}
ospf6_router_id_update();
return 0;
}