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Merge pull request #16380 from yuwata/network-dhcp6-update-prefix-route 

Network: update acquired dhcp6 prefix routes
This commit is contained in:
Zbigniew Jędrzejewski-Szmek 2020-07-07 09:05:08 +02:00 committed by GitHub
parent 9389a271b7 f050c94df0
commit 77ecc1aaa5
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 18 additions and 40 deletions
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30
src/network/networkd-dhcp6.c
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@ -28,7 +28,6 @@ static int dhcp6_lease_address_acquired(sd_dhcp6_client *client, Link *link);
static Link *dhcp6_prefix_get(Manager *m, struct in6_addr *addr);
static int dhcp6_prefix_add(Manager *m, struct in6_addr *addr, Link *link);
static int dhcp6_prefix_remove_all(Manager *m, Link *link);
static bool dhcp6_link_has_dhcpv6_prefix(Link *link);
static int dhcp6_assign_delegated_prefix(Link *link, const struct in6_addr *prefix,
uint8_t prefix_len,
uint32_t lifetime_preferred,
@ -112,7 +111,8 @@ static int dhcp6_get_preferred_delegated_prefix(
log_link_debug(link, "The requested prefix %s is available. Using it.",
strnull(assigned_buf));
return 0;
} else {
}
for (uint64_t n = 0; n < n_prefixes; n++) {
/* if we do not have an allocation preference just iterate
* through the address space and return the first free prefix. */
@ -125,15 +125,10 @@ static int dhcp6_get_preferred_delegated_prefix(
r = in_addr_prefix_next(AF_INET6, &prefix, 64);
if (r < 0)
return log_link_error_errno(link,
r,
"Can't allocate another prefix. Out of address space?");
return log_link_error_errno(link, r, "Can't allocate another prefix. Out of address space?");
}
log_link_warning(link, "Couldn't find a suitable prefix. Ran out of address space.");
}
return -ERANGE;
return log_link_warning_errno(link, SYNTHETIC_ERRNO(ERANGE), "Couldn't find a suitable prefix. Ran out of address space.");
}
static bool dhcp6_enable_prefix_delegation(Link *dhcp6_link) {
@ -289,9 +284,6 @@ static int dhcp6_pd_prefix_distribute(Link *dhcp6_link,
if (!dhcp6_get_prefix_delegation(link))
continue;
if (dhcp6_link_has_dhcpv6_prefix(link))
continue;
if (assign_preferred_subnet_id != dhcp6_has_preferred_subnet_id(link))
continue;
@ -1006,20 +998,6 @@ static int dhcp6_prefix_remove_all(Manager *m, Link *link) {
return 0;
}
static bool dhcp6_link_has_dhcpv6_prefix(Link *link) {
Iterator i;
Link *l;
assert(link);
assert(link->manager);
HASHMAP_FOREACH(l, link->manager->dhcp6_prefixes, i)
if (link == l)
return true;
return false;
}
static int dhcp6_assign_delegated_prefix(Link *link,
const struct in6_addr *prefix,
uint8_t prefix_len,