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network: ndisc - Also fill router preference

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This commit is contained in:
Susant Sahani
2023-08-22 18:41:09 +05:30
parent 465ba1236c
commit f44eebd1ba
1 changed files with 7 additions and 1 deletions
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src/network/networkd-ndisc.c
+7 -1
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@@ -448,10 +448,10 @@ static int ndisc_router_process_autonomous_prefix(Link *link, sd_ndisc_router *r
static int ndisc_router_process_onlink_prefix(Link *link, sd_ndisc_router *rt) {
_cleanup_(route_freep) Route *route = NULL;
unsigned prefixlen, preference;
usec_t timestamp_usec;
uint32_t lifetime_sec;
struct in6_addr prefix;
unsigned prefixlen;
int r;
assert(link);
@@ -477,6 +477,11 @@ static int ndisc_router_process_onlink_prefix(Link *link, sd_ndisc_router *rt) {
if (r < 0)
return log_link_warning_errno(link, r, "Failed to get prefix length: %m");
/* Prefix Information option does not have preference, hence we use the 'main' preference here */
r = sd_ndisc_router_get_preference(rt, &preference);
if (r < 0)
log_link_warning_errno(link, r, "Failed to get default router preference from RA: %m");
r = route_new(&route);
if (r < 0)
return log_oom();
@@ -484,6 +489,7 @@ static int ndisc_router_process_onlink_prefix(Link *link, sd_ndisc_router *rt) {
route->family = AF_INET6;
route->dst.in6 = prefix;
route->dst_prefixlen = prefixlen;
route->pref = preference;
route->lifetime_usec = sec_to_usec(lifetime_sec, timestamp_usec);
r = ndisc_request_route(TAKE_PTR(route), link, rt);