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vrrpd: fix more timer bugs

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* Fix overflow in skew time computation
* Fix accidentally removed initial setting of advertisement interval

Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
This commit is contained in:
Quentin Young 2018-12-06 22:19:11 +00:00
parent 1d21789e16
commit 1485d9e525
1 changed files with 4 additions and 4 deletions
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8
vrrpd/vrrp.c
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@ -78,10 +78,9 @@ static void vrrp_update_times(struct vrrp_vrouter *vr,
{
vr->advertisement_interval = advertisement_interval;
vr->master_adver_interval = master_adver_interval;
vr->skew_time = (256 - vr->priority) * vr->master_adver_interval;
vr->skew_time /= 256;
vr->master_down_interval = (3 * vr->master_adver_interval);
vr->master_down_interval /= 256 + vr->skew_time;
vr->skew_time = ((256 - vr->priority) * master_adver_interval) / 256;
vr->master_down_interval = (3 * master_adver_interval);
vr->master_down_interval += vr->skew_time;
}
/*
@ -141,6 +140,7 @@ struct vrrp_vrouter *vrrp_vrouter_create(struct interface *ifp, uint8_t vrid)
vrrp_mac_set(&vr->vr_mac_v4, false, vrid);
vrrp_mac_set(&vr->vr_mac_v6, true, vrid);
vr->fsm.state = VRRP_STATE_INITIALIZE;
vrrp_set_advertisement_interval(vr, VRRP_DEFAULT_ADVINT);
vrrp_reset_times(vr);
hash_get(vrrp_vrouters_hash, vr, hash_alloc_intern);