nhrp: replace hard coded retry time with value derived from holdtime

Signed-off-by: Lou Berger <lberger@labn.net>
This commit is contained in:
Lou Berger 2024-04-23 11:51:33 -04:00
parent 0ff8034e9a
commit cffec3cbad

View file

@ -169,9 +169,15 @@ static void nhrp_reg_send_req(struct event *t)
struct nhrp_cie_header *cie;
if (!nhrp_peer_check(r->peer, 2)) {
debugf(NHRP_DEBUG_COMMON, "NHS: Waiting link for %pSU",
&r->peer->vc->remote.nbma);
event_add_timer(master, nhrp_reg_send_req, r, 120,
int renewtime = if_ad->holdtime / 4;
/* RFC 2332 5.2.0.1 says "a retry is sent after an appropriate
* interval." Using holdtime/4, to be shorter than
* recommended renew time (holdtime/3), see RFC2332 Sec 5.2.3
*/
debugf(NHRP_DEBUG_COMMON,
"NHS: Waiting link for %pSU, retrying in %d seconds",
&r->peer->vc->remote.nbma, renewtime);
event_add_timer(master, nhrp_reg_send_req, r, renewtime,
&r->t_register);
return;
}