From: Roy Marples <roy@marples.name>
Date: Tue, 10 Mar 2020 12:19:03 +0000 (+0000)
Subject: IPv6ND: Mark stale addresses/prefixes with a pltime of zero.
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3e718d3696104aaab74d535e1f85554fed0a6dcd;p=thirdparty%2Fdhcpcd.git

IPv6ND: Mark stale addresses/prefixes with a pltime of zero.

This mirrors DHCPv6 behaviour.
---

diff --git a/src/ipv6nd.c b/src/ipv6nd.c
index 3f5e191a..d548f6b0 100644
--- a/src/ipv6nd.c
+++ b/src/ipv6nd.c
@@ -1359,6 +1359,13 @@ ipv6nd_handlera(struct dhcpcd_ctx *ctx,
 		}
 	}
 
+	TAILQ_FOREACH(ia, &rap->addrs, next) {
+		if (!(ia->flags & IPV6_AF_STALE) || ia->prefix_pltime == 0)
+			continue;
+		logdebugx("%s: %s: became stale", ifp->name, ia->saddr);
+		ia->prefix_pltime = 0;
+	}
+
 	if (new_data && !has_address && rap->lifetime && !ipv6_anyglobal(ifp))
 		logwarnx("%s: no global addresses for default route",
 		    ifp->name);