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Merge pull request #5955 from dslicenc/v6-ra-leak

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zebra: delete ipv6 RA prefix entries when zebra is killed
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Mark Stapp 2020-03-10 09:53:42 -04:00 committed by GitHub
commit 2bdced5ab3
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1 changed files with 15 additions and 2 deletions
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17
zebra/rtadv.c
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@ -1118,18 +1118,31 @@ void rtadv_stop_ra(struct interface *ifp)
} }
/* /*
* send router lifetime value of zero in RAs on all interfaces since we're * Send router lifetime value of zero in RAs on all interfaces since we're
* ceasing to advertise globally and want to let all of our neighbors know * ceasing to advertise globally and want to let all of our neighbors know
* RFC 4861 secion 6.2.5 * RFC 4861 secion 6.2.5
*
* Delete all ipv6 global prefixes added to the router advertisement prefix
* lists prior to ceasing.
*/ */
void rtadv_stop_ra_all(void) void rtadv_stop_ra_all(void)
{ {
struct vrf *vrf; struct vrf *vrf;
struct interface *ifp; struct interface *ifp;
struct listnode *node, *nnode;
struct zebra_if *zif;
struct rtadv_prefix *rprefix;
RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name) RB_FOREACH (vrf, vrf_name_head, &vrfs_by_name)
FOR_ALL_INTERFACES (vrf, ifp) FOR_ALL_INTERFACES (vrf, ifp) {
zif = ifp->info;
for (ALL_LIST_ELEMENTS(zif->rtadv.AdvPrefixList,
node, nnode, rprefix))
rtadv_prefix_reset(zif, rprefix);
rtadv_stop_ra(ifp); rtadv_stop_ra(ifp);
}
} }
void zebra_interface_radv_disable(ZAPI_HANDLER_ARGS) void zebra_interface_radv_disable(ZAPI_HANDLER_ARGS)