From a60703e89991d23345ed929328001e19f5bc47e0 Mon Sep 17 00:00:00 2001
From: David Gibson <david@gibson.dropbear.id.au>
Date: Thu, 14 Nov 2024 14:33:07 +1100
Subject: [PATCH] ndp: Make route lifetime a #define
Currently we open-code the lifetime of the route we advertise via NDP to be
65535s (the maximum). Change it to a #define.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
---
ndp.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/ndp.c b/ndp.c
index fd512ae..09df8d6 100644
--- a/ndp.c
+++ b/ndp.c
@@ -33,6 +33,8 @@
#include "tap.h"
#include "log.h"
+#define RT_LIFETIME 65535
+
#define RS 133
#define RA 134
#define NS 135
@@ -229,7 +231,7 @@ static void ndp_ra(const struct ctx *c, const struct in6_addr *dst)
.icmp6_code = 0,
.icmp6_hop_limit = 255,
/* RFC 8319 */
- .icmp6_rt_lifetime = htons_constant(65535),
+ .icmp6_rt_lifetime = htons_constant(RT_LIFETIME),
.icmp6_addrconf_managed = 1,
},
.prefix_info = {