Merge pull request #12753 from jrouleau/fix/hibernate-resume-timeout

[thirdparty/systemd.git] / src / network / networkd-link.c

diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
index 7181cdd0d70dd61e8f05539fb714bcb75bd05c4a..67c0903fa69b834b4344652a0c5939ee80ce497c 100644 (file)
--- a/src/network/networkd-link.c
+++ b/src/network/networkd-link.c
@@ -62,6 +62,20 @@ DUID* link_get_duid(Link *link) {
                 return &link->manager->duid;
 }
 
+int link_sysctl_ipv6_enabled(Link *link) {
+        _cleanup_free_ char *value = NULL;
+        int r;
+
+        r = sysctl_read_ip_property(AF_INET6, link->ifname, "disable_ipv6", &value);
+        if (r < 0)
+                return log_link_warning_errno(link, r,
+                                              "Failed to read net.ipv6.conf.%s.disable_ipv6 sysctl property: %m",
+                                              link->ifname);
+
+        link->sysctl_ipv6_enabled = value[0] == '0';
+        return link->sysctl_ipv6_enabled;
+}
+
 static bool link_dhcp6_enabled(Link *link) {
         assert(link);
 
@@ -80,7 +94,7 @@ static bool link_dhcp6_enabled(Link *link) {
         if (STRPTR_IN_SET(link->kind, "can", "vcan", "vxcan"))
                 return false;
 
-        if (manager_sysctl_ipv6_enabled(link->manager) == 0)
+        if (link_sysctl_ipv6_enabled(link) == 0)
                 return false;
 
         return link->network->dhcp & ADDRESS_FAMILY_IPV6;
@@ -166,7 +180,7 @@ static bool link_ipv6ll_enabled(Link *link) {
         if (link->network->bond)
                 return false;
 
-        if (manager_sysctl_ipv6_enabled(link->manager) == 0)
+        if (link_sysctl_ipv6_enabled(link) == 0)
                 return false;
 
         return link->network->link_local & ADDRESS_FAMILY_IPV6;
@@ -181,7 +195,7 @@ static bool link_ipv6_enabled(Link *link) {
         if (link->network->bond)
                 return false;
 
-        if (manager_sysctl_ipv6_enabled(link->manager) == 0)
+        if (link_sysctl_ipv6_enabled(link) == 0)
                 return false;
 
         if (STRPTR_IN_SET(link->kind, "can", "vcan", "vxcan"))
@@ -230,7 +244,7 @@ static bool link_ipv6_forward_enabled(Link *link) {
         if (link->network->ip_forward == _ADDRESS_FAMILY_BOOLEAN_INVALID)
                 return false;
 
-        if (manager_sysctl_ipv6_enabled(link->manager) == 0)
+        if (link_sysctl_ipv6_enabled(link) == 0)
                 return false;
 
         return link->network->ip_forward & ADDRESS_FAMILY_IPV6;
@@ -541,6 +555,7 @@ static int link_new(Manager *manager, sd_netlink_message *message, Link **ret) {
                 .rtnl_extended_attrs = true,
                 .ifindex = ifindex,
                 .iftype = iftype,
+                .sysctl_ipv6_enabled = -1,
         };
 
         link->ifname = strdup(ifname);
@@ -838,8 +853,8 @@ static int link_request_set_routing_policy_rule(Link *link) {
                         link_enter_failed(link);
                         return r;
                 }
-
-                link->routing_policy_rule_messages++;
+                if (r > 0)
+                        link->routing_policy_rule_messages++;
         }
 
         routing_policy_rule_purge(link->manager, link);
@@ -913,8 +928,8 @@ int link_request_set_routes(Link *link) {
                                 link_enter_failed(link);
                                 return r;
                         }
-
-                        link->route_messages++;
+                        if (r > 0)
+                                link->route_messages++;
                 }
 
         if (link->route_messages == 0) {
@@ -960,23 +975,26 @@ void link_check_ready(Link *link) {
         if (!link->routing_policy_rules_configured)
                 return;
 
-        if (link_ipv4ll_enabled(link, ADDRESS_FAMILY_IPV4) && !(link->ipv4ll_address && link->ipv4ll_route))
-                return;
+        if (link_has_carrier(link) || !link->network->configure_without_carrier) {
 
-        if (link_ipv6ll_enabled(link) &&
-            in_addr_is_null(AF_INET6, (const union in_addr_union*) &link->ipv6ll_address))
-                return;
+                if (link_ipv4ll_enabled(link, ADDRESS_FAMILY_IPV4) && !(link->ipv4ll_address && link->ipv4ll_route))
+                        return;
 
-        if ((link_dhcp4_enabled(link) || link_dhcp6_enabled(link)) &&
-            !link->dhcp4_configured &&
-            !link->dhcp6_configured &&
-            !(link_ipv4ll_enabled(link, ADDRESS_FAMILY_FALLBACK_IPV4) && link->ipv4ll_address && link->ipv4ll_route))
-                /* When DHCP is enabled, at least one protocol must provide an address, or
-                 * an IPv4ll fallback address must be configured. */
-                return;
+                if (link_ipv6ll_enabled(link) &&
+                    in_addr_is_null(AF_INET6, (const union in_addr_union*) &link->ipv6ll_address))
+                        return;
 
-        if (link_ipv6_accept_ra_enabled(link) && !link->ndisc_configured)
-                return;
+                if ((link_dhcp4_enabled(link) || link_dhcp6_enabled(link)) &&
+                    !link->dhcp4_configured &&
+                    !link->dhcp6_configured &&
+                    !(link_ipv4ll_enabled(link, ADDRESS_FAMILY_FALLBACK_IPV4) && link->ipv4ll_address && link->ipv4ll_route))
+                        /* When DHCP is enabled, at least one protocol must provide an address, or
+                         * an IPv4ll fallback address must be configured. */
+                        return;
+
+                if (link_ipv6_accept_ra_enabled(link) && !link->ndisc_configured)
+                        return;
+        }
 
         if (link->state != LINK_STATE_CONFIGURED)
                 link_enter_configured(link);
@@ -1194,8 +1212,8 @@ static int link_request_set_addresses(Link *link) {
                         link_enter_failed(link);
                         return r;
                 }
-
-                link->address_messages++;
+                if (r > 0)
+                        link->address_messages++;
         }
 
         LIST_FOREACH(labels, label, link->network->address_labels) {