isisd: fix ipv6 metric endianness
the isis ipv6 reachability metric is transmitted in big endian / network
format, but isis_spf_process_lsp() does not convert this into host endian
format when mucking around with local cost + received metric. This patch
fixes this problem and makes received ipv6 metrics work properly on
little-endian machines.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
diff --git a/isisd/isis_spf.c b/isisd/isis_spf.c
index e0a8d01..fd93efa 100644
--- a/isisd/isis_spf.c
+++ b/isisd/isis_spf.c
@@ -833,7 +833,7 @@
{
assert (ip6reach->prefix_len <= IPV6_MAX_BITLEN);
- dist = cost + ip6reach->metric;
+ dist = cost + ntohl(ip6reach->metric);
vtype = (ip6reach->control_info & CTRL_INFO_DISTRIBUTION) ?
VTYPE_IP6REACH_EXTERNAL : VTYPE_IP6REACH_INTERNAL;
prefix.prefixlen = ip6reach->prefix_len;