#include "fd-util.h"
#include "fileio.h"
#include "missing_network.h"
+#include "netdev/vrf.h"
#include "netlink-util.h"
#include "network-internal.h"
#include "networkd-ipv6-proxy-ndp.h"
#include "util.h"
#include "virt.h"
+uint32_t link_get_vrf_table(Link *link) {
+ return link->network->vrf ? VRF(link->network->vrf)->table : RT_TABLE_MAIN;
+}
+
+uint32_t link_get_dhcp_route_table(Link *link) {
+ /* When the interface is part of an VRF use the VRFs routing table, unless
+ * another table is explicitly specified. */
+ if (link->network->dhcp_route_table_set)
+ return link->network->dhcp_route_table;
+ return link_get_vrf_table(link);
+}
+
+uint32_t link_get_ipv6_accept_ra_route_table(Link *link) {
+ if (link->network->ipv6_accept_ra_route_table_set)
+ return link->network->ipv6_accept_ra_route_table;
+ return link_get_vrf_table(link);
+}
+
DUID* link_get_duid(Link *link) {
if (link->network->duid.type != _DUID_TYPE_INVALID)
return &link->network->duid;
if (!link->network)
return false;
+ if (link->network->bond)
+ return false;
+
return link->network->dhcp & ADDRESS_FAMILY_IPV6;
}
if (!link->network)
return false;
+ if (link->network->bond)
+ return false;
+
return link->network->dhcp & ADDRESS_FAMILY_IPV4;
}
if (!link->network)
return false;
+ if (link->network->bond)
+ return false;
+
return link->network->dhcp_server;
}
if (!link->network)
return false;
- if (streq_ptr(link->kind, "wireguard"))
+ if (STRPTR_IN_SET(link->kind, "vrf", "wireguard"))
+ return false;
+
+ if (link->network->bond)
return false;
return link->network->link_local & ADDRESS_FAMILY_IPV4;
if (!link->network)
return false;
- if (streq_ptr(link->kind, "wireguard"))
+ if (STRPTR_IN_SET(link->kind, "vrf", "wireguard"))
+ return false;
+
+ if (link->network->bond)
return false;
return link->network->link_local & ADDRESS_FAMILY_IPV6;
if (!socket_ipv6_is_supported())
return false;
- if (link->network->bridge)
+ if (link->network->bridge || link->network->bond)
return false;
/* DHCPv6 client will not be started if no IPv6 link-local address is configured. */
return 0;
}
-void link_update_operstate(Link *link) {
+void link_update_operstate(Link *link, bool also_update_bond_master) {
LinkOperationalState operstate;
+
assert(link);
if (link->kernel_operstate == IF_OPER_DORMANT)
else
operstate = LINK_OPERSTATE_OFF;
+ if (IN_SET(operstate, LINK_OPERSTATE_DEGRADED, LINK_OPERSTATE_CARRIER) &&
+ link->flags & IFF_SLAVE)
+ operstate = LINK_OPERSTATE_ENSLAVED;
+
+ if (IN_SET(operstate, LINK_OPERSTATE_CARRIER, LINK_OPERSTATE_ENSLAVED, LINK_OPERSTATE_ROUTABLE) &&
+ !hashmap_isempty(link->bond_slaves)) {
+ Iterator i;
+ Link *slave;
+
+ HASHMAP_FOREACH(slave, link->bond_slaves, i) {
+ link_update_operstate(slave, false);
+
+ if (IN_SET(slave->operstate,
+ LINK_OPERSTATE_OFF, LINK_OPERSTATE_NO_CARRIER, LINK_OPERSTATE_DORMANT))
+ operstate = LINK_OPERSTATE_DEGRADED;
+ }
+ }
+
if (link->operstate != operstate) {
link->operstate = operstate;
link_send_changed(link, "OperationalState", NULL);
link_dirty(link);
}
+
+ if (also_update_bond_master && link->network && link->network->bond) {
+ Link *master;
+
+ if (link_get(link->manager, link->network->bond->ifindex, &master) < 0)
+ return;
+
+ link_update_operstate(master, true);
+ }
}
#define FLAG_STRING(string, flag, old, new) \
link->flags = flags;
link->kernel_operstate = operstate;
- link_update_operstate(link);
+ link_update_operstate(link, true);
return 0;
}
hashmap_remove(link->manager->links, INT_TO_PTR(link->ifindex));
set_remove(link->manager->links_requesting_uuid, link);
link_clean(link);
-
- link->manager = NULL;
}
static Link *link_free(Link *link) {
hashmap_remove(link->bound_by_links, INT_TO_PTR(carrier->ifindex));
hashmap_free(link->bound_by_links);
+ hashmap_free(link->bond_slaves);
+
return mfree(link);
}
link_dirty(link);
}
-void link_check_ready(Link *link) {
- Address *a;
- Iterator i;
-
- assert(link);
-
- if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER))
- return;
-
- if (!link->network)
- return;
-
- if (!link->addresses_configured)
- return;
-
- if (!link->neighbors_configured)
- return;
-
- if (!link->static_routes_configured)
- return;
-
- if (!link->routing_policy_rules_configured)
- return;
-
- if (link_ipv4ll_enabled(link))
- if (!link->ipv4ll_address ||
- !link->ipv4ll_route)
- return;
-
- if (!link->network->bridge) {
-
- if (link_ipv6ll_enabled(link))
- if (in_addr_is_null(AF_INET6, (const union in_addr_union*) &link->ipv6ll_address) > 0)
- return;
-
- if ((link_dhcp4_enabled(link) && !link_dhcp6_enabled(link) &&
- !link->dhcp4_configured) ||
- (link_dhcp6_enabled(link) && !link_dhcp4_enabled(link) &&
- !link->dhcp6_configured) ||
- (link_dhcp4_enabled(link) && link_dhcp6_enabled(link) &&
- !link->dhcp4_configured && !link->dhcp6_configured))
- return;
-
- if (link_ipv6_accept_ra_enabled(link) && !link->ndisc_configured)
- return;
- }
-
- SET_FOREACH(a, link->addresses, i)
- if (!address_is_ready(a))
- return;
-
- if (link->state != LINK_STATE_CONFIGURED)
- link_enter_configured(link);
-
- return;
-}
-
static int link_request_set_routing_policy_rule(Link *link) {
RoutingPolicyRule *rule, *rrule = NULL;
int r;
return 0;
}
+void link_check_ready(Link *link) {
+ Address *a;
+ Iterator i;
+
+ assert(link);
+
+ if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER))
+ return;
+
+ if (!link->network)
+ return;
+
+ if (!link->addresses_configured)
+ return;
+
+ if (!link->neighbors_configured)
+ return;
+
+ SET_FOREACH(a, link->addresses, i)
+ if (!address_is_ready(a))
+ return;
+
+ if (!link->addresses_ready) {
+ link->addresses_ready = true;
+ link_request_set_routes(link);
+ }
+
+ if (!link->static_routes_configured)
+ return;
+
+ if (!link->routing_policy_rules_configured)
+ return;
+
+ if (link_ipv4ll_enabled(link))
+ if (!link->ipv4ll_address ||
+ !link->ipv4ll_route)
+ return;
+
+ if (!link->network->bridge) {
+
+ if (link_ipv6ll_enabled(link) &&
+ in_addr_is_null(AF_INET6, (const union in_addr_union*) &link->ipv6ll_address))
+ return;
+
+ if ((link_dhcp4_enabled(link) && !link_dhcp6_enabled(link) &&
+ !link->dhcp4_configured) ||
+ (link_dhcp6_enabled(link) && !link_dhcp4_enabled(link) &&
+ !link->dhcp6_configured) ||
+ (link_dhcp4_enabled(link) && link_dhcp6_enabled(link) &&
+ !link->dhcp4_configured && !link->dhcp6_configured))
+ return;
+
+ if (link_ipv6_accept_ra_enabled(link) && !link->ndisc_configured)
+ return;
+ }
+
+ if (link->state != LINK_STATE_CONFIGURED)
+ link_enter_configured(link);
+
+ return;
+}
+
static int link_request_set_neighbors(Link *link) {
Neighbor *neighbor;
int r;
if (link->address_messages == 0) {
log_link_debug(link, "Addresses set");
link->addresses_configured = true;
- link_request_set_routes(link);
+ link_check_ready(link);
}
return 1;
/* Reset all *_configured flags we are configuring. */
link->addresses_configured = false;
+ link->addresses_ready = false;
link->neighbors_configured = false;
link->static_routes_configured = false;
link->routing_policy_rules_configured = false;
return r;
LIST_FOREACH(addresses, ad, link->network->static_addresses) {
- r = address_configure(ad, link, address_handler, false);
+ bool update;
+
+ update = address_get(link, ad->family, &ad->in_addr, ad->prefixlen, NULL) > 0;
+
+ r = address_configure(ad, link, address_handler, update);
if (r < 0) {
log_link_warning_errno(link, r, "Could not set addresses: %m");
link_enter_failed(link);
if (link->address_messages == 0) {
link->addresses_configured = true;
- link_request_set_routes(link);
+ link_check_ready(link);
} else
log_link_debug(link, "Setting addresses");
return r;
}
-static int link_bond_set(Link *link) {
+static int link_set_bond_handler(sd_netlink *rtnl, sd_netlink_message *m, Link *link) {
+ int r;
+
+ assert(m);
+ assert(link);
+ assert(link->ifname);
+
+ if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER))
+ return 1;
+
+ r = sd_netlink_message_get_errno(m);
+ if (r < 0) {
+ log_link_warning_errno(link, r, "Could not set bonding interface: %m");
+ return 1;
+ }
+
+ return 1;
+}
+
+static int link_set_bond(Link *link) {
_cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL;
int r;
if (r < 0)
return log_link_error_errno(link, r, "Could not append IFLA_INFO_DATA attribute: %m");
- r = netlink_call_async(link->manager->rtnl, NULL, req, set_flags_handler,
+ r = netlink_call_async(link->manager->rtnl, NULL, req, link_set_bond_handler,
link_netlink_destroy_callback, link);
if (r < 0)
return log_link_error_errno(link, r, "Could not send rtnetlink message: %m");
return r;
}
+static int link_append_bond_slave(Link *link) {
+ Link *master;
+ int r;
+
+ assert(link);
+ assert(link->network);
+ assert(link->network->bond);
+
+ r = link_get(link->manager, link->network->bond->ifindex, &master);
+ if (r < 0)
+ return r;
+
+ r = hashmap_ensure_allocated(&master->bond_slaves, NULL);
+ if (r < 0)
+ return r;
+
+ r = hashmap_put(master->bond_slaves, INT_TO_PTR(link->ifindex), link);
+ if (r < 0)
+ return r;
+
+ return 0;
+}
+
static int link_lldp_save(Link *link) {
_cleanup_free_ char *temp_path = NULL;
_cleanup_fclose_ FILE *f = NULL;
if (r < 0)
return r;
- if (in_addr_is_null(AF_INET6, (const union in_addr_union*) &link->ipv6ll_address) == 0) {
+ if (!in_addr_is_null(AF_INET6, (const union in_addr_union*) &link->ipv6ll_address)) {
r = link_acquire_ipv6_conf(link);
if (r < 0)
return r;
return false;
}
+static int link_address_genmode_handler(sd_netlink *rtnl, sd_netlink_message *m, Link *link) {
+ int r;
+
+ assert(link);
+
+ if (IN_SET(link->state, LINK_STATE_FAILED, LINK_STATE_LINGER))
+ return 1;
+
+ r = sd_netlink_message_get_errno(m);
+ if (r < 0)
+ log_link_warning_errno(link, r, "Could not set address genmode for interface: %m");
+
+ return 1;
+}
+
+static int link_configure_addrgen_mode(Link *link) {
+ _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL;
+ uint8_t ipv6ll_mode;
+ int r;
+
+ assert(link);
+ assert(link->network);
+ assert(link->manager);
+ assert(link->manager->rtnl);
+
+ log_link_debug(link, "Setting address genmode for link");
+
+ r = sd_rtnl_message_new_link(link->manager->rtnl, &req, RTM_SETLINK, link->ifindex);
+ if (r < 0)
+ return log_link_error_errno(link, r, "Could not allocate RTM_SETLINK message: %m");
+
+ r = sd_netlink_message_open_container(req, IFLA_AF_SPEC);
+ if (r < 0)
+ return log_link_error_errno(link, r, "Could not open IFLA_AF_SPEC container: %m");
+
+ r = sd_netlink_message_open_container(req, AF_INET6);
+ if (r < 0)
+ return log_link_error_errno(link, r, "Could not open AF_INET6 container: %m");
+
+ if (!link_ipv6ll_enabled(link))
+ ipv6ll_mode = IN6_ADDR_GEN_MODE_NONE;
+ else {
+ const char *p = NULL;
+ _cleanup_free_ char *stable_secret = NULL;
+
+ p = strjoina("/proc/sys/net/ipv6/conf/", link->ifname, "/stable_secret");
+
+ /* The file may not exist. And event if it exists, when stable_secret is unset,
+ * then reading the file fails and EIO is returned. */
+ r = read_one_line_file(p, &stable_secret);
+ if (r < 0)
+ ipv6ll_mode = IN6_ADDR_GEN_MODE_EUI64;
+ else
+ ipv6ll_mode = IN6_ADDR_GEN_MODE_STABLE_PRIVACY;
+ }
+
+ r = sd_netlink_message_append_u8(req, IFLA_INET6_ADDR_GEN_MODE, ipv6ll_mode);
+ if (r < 0)
+ return log_link_error_errno(link, r, "Could not append IFLA_INET6_ADDR_GEN_MODE: %m");
+
+ r = sd_netlink_message_close_container(req);
+ if (r < 0)
+ return log_link_error_errno(link, r, "Could not close AF_INET6 container: %m");
+
+ r = sd_netlink_message_close_container(req);
+ if (r < 0)
+ return log_link_error_errno(link, r, "Could not close IFLA_AF_SPEC container: %m");
+
+ r = netlink_call_async(link->manager->rtnl, NULL, req, link_address_genmode_handler,
+ link_netlink_destroy_callback, link);
+ if (r < 0)
+ return log_link_error_errno(link, r, "Could not send rtnetlink message: %m");
+
+ link_ref(link);
+
+ return 0;
+}
+
static int link_up_handler(sd_netlink *rtnl, sd_netlink_message *m, Link *link) {
int r;
return 1;
}
-int link_up(Link *link) {
+static int link_up(Link *link) {
_cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL;
- uint8_t ipv6ll_mode;
int r;
assert(link);
return log_link_error_errno(link, r, "Could not set MAC address: %m");
}
- r = sd_netlink_message_open_container(req, IFLA_AF_SPEC);
- if (r < 0)
- return log_link_error_errno(link, r, "Could not open IFLA_AF_SPEC container: %m");
-
if (link_ipv6_enabled(link)) {
+ r = sd_netlink_message_open_container(req, IFLA_AF_SPEC);
+ if (r < 0)
+ return log_link_error_errno(link, r, "Could not open IFLA_AF_SPEC container: %m");
+
/* if the kernel lacks ipv6 support setting IFF_UP fails if any ipv6 options are passed */
r = sd_netlink_message_open_container(req, AF_INET6);
if (r < 0)
return log_link_error_errno(link, r, "Could not open AF_INET6 container: %m");
- if (!link_ipv6ll_enabled(link))
- ipv6ll_mode = IN6_ADDR_GEN_MODE_NONE;
- else {
- const char *p = NULL;
- _cleanup_free_ char *stable_secret = NULL;
-
- p = strjoina("/proc/sys/net/ipv6/conf/", link->ifname, "/stable_secret");
- r = read_one_line_file(p, &stable_secret);
-
- if (r < 0)
- ipv6ll_mode = IN6_ADDR_GEN_MODE_EUI64;
- else
- ipv6ll_mode = IN6_ADDR_GEN_MODE_STABLE_PRIVACY;
- }
- r = sd_netlink_message_append_u8(req, IFLA_INET6_ADDR_GEN_MODE, ipv6ll_mode);
- if (r < 0)
- return log_link_error_errno(link, r, "Could not append IFLA_INET6_ADDR_GEN_MODE: %m");
-
if (!in_addr_is_null(AF_INET6, &link->network->ipv6_token)) {
r = sd_netlink_message_append_in6_addr(req, IFLA_INET6_TOKEN, &link->network->ipv6_token.in6);
if (r < 0)
r = sd_netlink_message_close_container(req);
if (r < 0)
return log_link_error_errno(link, r, "Could not close AF_INET6 container: %m");
- }
- r = sd_netlink_message_close_container(req);
- if (r < 0)
- return log_link_error_errno(link, r, "Could not close IFLA_AF_SPEC container: %m");
+ r = sd_netlink_message_close_container(req);
+ if (r < 0)
+ return log_link_error_errno(link, r, "Could not close IFLA_AF_SPEC container: %m");
+ }
r = netlink_call_async(link->manager->rtnl, NULL, req, link_up_handler,
link_netlink_destroy_callback, link);
}
if (link->network->bond) {
- r = link_bond_set(link);
+ r = link_set_bond(link);
if (r < 0)
log_link_error_errno(link, r, "Could not set bond message: %m");
+
+ r = link_append_bond_slave(link);
+ if (r < 0)
+ log_link_error_errno(link, r, "Failed to add to bond master's slave list: %m");
}
if (link->network->use_br_vlan &&
return r;
}
+ if (socket_ipv6_is_supported()) {
+ r = link_configure_addrgen_mode(link);
+ if (r < 0)
+ return r;
+ }
+
return link_configure_after_setting_mtu(link);
}
assert(link);
+ if (link->network && link->network->ignore_carrier_loss)
+ return 0;
+
/* Some devices reset itself while setting the MTU. This causes the DHCP client fall into a loop.
* setting_mtu keep track whether the device got reset because of setting MTU and does not drop the
* configuration and stop the clients as well. */
[LINK_OPERSTATE_DORMANT] = "dormant",
[LINK_OPERSTATE_CARRIER] = "carrier",
[LINK_OPERSTATE_DEGRADED] = "degraded",
+ [LINK_OPERSTATE_ENSLAVED] = "enslaved",
[LINK_OPERSTATE_ROUTABLE] = "routable",
};
projects / thirdparty / systemd.git / blobdiff