diff options
Diffstat (limited to 'zebra/interface.c')
| -rw-r--r-- | zebra/interface.c | 45 |
1 files changed, 34 insertions, 11 deletions
diff --git a/zebra/interface.c b/zebra/interface.c index c30f43456c..a76f8741e0 100644 --- a/zebra/interface.c +++ b/zebra/interface.c @@ -72,8 +72,6 @@ static void if_zebra_speed_update(struct thread *thread) bool changed = false; int error = 0; - zif->speed_update = NULL; - new_speed = kernel_get_speed(ifp, &error); /* error may indicate vrf not available or @@ -92,8 +90,27 @@ static void if_zebra_speed_update(struct thread *thread) } if (changed || new_speed == UINT32_MAX) { - thread_add_timer(zrouter.master, if_zebra_speed_update, ifp, 5, - &zif->speed_update); +#define SPEED_UPDATE_SLEEP_TIME 5 +#define SPEED_UPDATE_COUNT_MAX (4 * 60 / SPEED_UPDATE_SLEEP_TIME) + /* + * Some interfaces never actually have an associated speed + * with them ( I am looking at you bridges ). + * So instead of iterating forever, let's give the + * system 4 minutes to try to figure out the speed + * if after that it it's probably never going to become + * useful. + * Since I don't know all the wonderful types of interfaces + * that may come into existence in the future I am going + * to not update the system to keep track of that. This + * is far simpler to just stop trying after 4 minutes + */ + if (new_speed == UINT32_MAX && + zif->speed_update_count == SPEED_UPDATE_COUNT_MAX) + return; + + zif->speed_update_count++; + thread_add_timer(zrouter.master, if_zebra_speed_update, ifp, + SPEED_UPDATE_SLEEP_TIME, &zif->speed_update); thread_ignore_late_timer(zif->speed_update); } } @@ -196,6 +213,7 @@ static int if_zebra_new_hook(struct interface *ifp) * of seconds and ask again. Hopefully it's all settled * down upon startup. */ + zebra_if->speed_update_count = 0; thread_add_timer(zrouter.master, if_zebra_speed_update, ifp, 15, &zebra_if->speed_update); thread_ignore_late_timer(zebra_if->speed_update); @@ -206,9 +224,13 @@ static int if_zebra_new_hook(struct interface *ifp) static void if_nhg_dependents_check_valid(struct nhg_hash_entry *nhe) { zebra_nhg_check_valid(nhe); - if (!CHECK_FLAG(nhe->flags, NEXTHOP_GROUP_VALID)) - /* Assuming uninstalled as well here */ - UNSET_FLAG(nhe->flags, NEXTHOP_GROUP_INSTALLED); + if (!CHECK_FLAG(nhe->flags, NEXTHOP_GROUP_VALID)) { + /* If we're in shutdown, this interface event needs to clean + * up installed NHGs, so don't clear that flag directly. + */ + if (!zrouter.in_shutdown) + UNSET_FLAG(nhe->flags, NEXTHOP_GROUP_INSTALLED); + } } static void if_down_nhg_dependents(const struct interface *ifp) @@ -499,7 +521,7 @@ void if_flags_update(struct interface *ifp, uint64_t newflags) /* inoperative -> operative? */ ifp->flags = newflags; if (if_is_operative(ifp)) - if_up(ifp); + if_up(ifp, true); } } @@ -1027,7 +1049,7 @@ bool if_nhg_dependents_is_empty(const struct interface *ifp) } /* Interface is up. */ -void if_up(struct interface *ifp) +void if_up(struct interface *ifp, bool install_connected) { struct zebra_if *zif; struct interface *link_if; @@ -1059,7 +1081,8 @@ void if_up(struct interface *ifp) #endif /* Install connected routes to the kernel. */ - if_install_connected(ifp); + if (install_connected) + if_install_connected(ifp); /* Handle interface up for specific types for EVPN. Non-VxLAN interfaces * are checked to see if (remote) neighbor entries need to be installed @@ -2760,7 +2783,7 @@ int if_linkdetect(struct interface *ifp, bool detect) /* Interface may come up after disabling link detection */ if (if_is_operative(ifp) && !if_was_operative) - if_up(ifp); + if_up(ifp, true); } /* FIXME: Will defer status change forwarding if interface does not come down! */ |