diff --git a/man/systemd.network.xml b/man/systemd.network.xml
index 148ddac913..ba266f9aaa 100644
--- a/man/systemd.network.xml
+++ b/man/systemd.network.xml
@@ -132,10 +132,9 @@
Name=
- A whitespace-separated list of shell-style globs
- matching the device name, as exposed by the udev property
- INTERFACE. If the list is prefixed
- with a "!", the test is inverted.
+ A whitespace-separated list of shell-style globs matching the device name, as exposed
+ by the udev property INTERFACE, or device's alternative names. If the
+ list is prefixed with a "!", the test is inverted.
diff --git a/src/libsystemd-network/network-internal.c b/src/libsystemd-network/network-internal.c
index e370499209..7198fe4775 100644
--- a/src/libsystemd-network/network-internal.c
+++ b/src/libsystemd-network/network-internal.c
@@ -103,6 +103,18 @@ static bool net_condition_test_strv(char * const *patterns, const char *string)
return has_positive_rule ? match : true;
}
+static bool net_condition_test_ifname(char * const *patterns, const char *ifname, char * const *alternative_names) {
+ if (net_condition_test_strv(patterns, ifname))
+ return true;
+
+ char * const *p;
+ STRV_FOREACH(p, alternative_names)
+ if (net_condition_test_strv(patterns, *p))
+ return true;
+
+ return false;
+}
+
static int net_condition_test_property(char * const *match_property, sd_device *device) {
char * const *p;
@@ -166,6 +178,7 @@ bool net_match_config(Set *match_mac,
sd_device *device,
const struct ether_addr *dev_mac,
const char *dev_name,
+ char * const *alternative_names,
enum nl80211_iftype wifi_iftype,
const char *ssid,
const struct ether_addr *bssid) {
@@ -196,7 +209,7 @@ bool net_match_config(Set *match_mac,
if (!net_condition_test_strv(match_types, dev_type))
return false;
- if (!net_condition_test_strv(match_names, dev_name))
+ if (!net_condition_test_ifname(match_names, dev_name, alternative_names))
return false;
if (!net_condition_test_property(match_property, device))
@@ -349,7 +362,7 @@ int config_parse_match_ifnames(
return 0;
}
- if (!ifname_valid(word)) {
+ if (!ifname_valid_full(word, ltype)) {
log_syntax(unit, LOG_ERR, filename, line, 0,
"Interface name is not valid or too long, ignoring assignment: %s", word);
continue;
diff --git a/src/libsystemd-network/network-internal.h b/src/libsystemd-network/network-internal.h
index 7875f690ee..a940b24a42 100644
--- a/src/libsystemd-network/network-internal.h
+++ b/src/libsystemd-network/network-internal.h
@@ -27,6 +27,7 @@ bool net_match_config(Set *match_mac,
sd_device *device,
const struct ether_addr *dev_mac,
const char *dev_name,
+ char * const *alternative_names,
enum nl80211_iftype wifi_iftype,
const char *ssid,
const struct ether_addr *bssid);
diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
index 9ebc58f0c9..dcdab6c83e 100644
--- a/src/network/networkd-link.c
+++ b/src/network/networkd-link.c
@@ -542,10 +542,10 @@ static int link_update_flags(Link *link, sd_netlink_message *m, bool force_updat
static int link_new(Manager *manager, sd_netlink_message *message, Link **ret) {
_cleanup_(link_unrefp) Link *link = NULL;
- uint16_t type;
const char *ifname, *kind = NULL;
- int r, ifindex;
unsigned short iftype;
+ int r, ifindex;
+ uint16_t type;
assert(manager);
assert(message);
@@ -617,6 +617,10 @@ static int link_new(Manager *manager, sd_netlink_message *message, Link **ret) {
if (r < 0)
log_link_debug_errno(link, r, "MAC address not found for new device, continuing without");
+ r = sd_netlink_message_read_strv(message, IFLA_PROP_LIST, IFLA_ALT_IFNAME, &link->alternative_names);
+ if (r < 0 && r != -ENODATA)
+ return r;
+
if (asprintf(&link->state_file, "/run/systemd/netif/links/%d", link->ifindex) < 0)
return -ENOMEM;
@@ -713,6 +717,7 @@ static Link *link_free(Link *link) {
free(link->lldp_file);
free(link->ifname);
+ strv_free(link->alternative_names);
free(link->kind);
free(link->ssid);
@@ -2934,14 +2939,28 @@ static int link_configure_duid(Link *link) {
return 0;
}
-int link_reconfigure(Link *link, bool force) {
+static int link_reconfigure_internal(Link *link, sd_netlink_message *m, bool force) {
Network *network;
int r;
if (IN_SET(link->state, LINK_STATE_PENDING, LINK_STATE_LINGER))
return 0;
- r = network_get(link->manager, link->sd_device, link->ifname,
+ if (m) {
+ _cleanup_strv_free_ char **s = NULL;
+
+ r = sd_netlink_message_get_errno(m);
+ if (r < 0)
+ return r;
+
+ r = sd_netlink_message_read_strv(m, IFLA_PROP_LIST, IFLA_ALT_IFNAME, &s);
+ if (r < 0 && r != -ENODATA)
+ return r;
+
+ strv_free_and_replace(link->alternative_names, s);
+ }
+
+ r = network_get(link->manager, link->sd_device, link->ifname, link->alternative_names,
&link->mac, link->wlan_iftype, link->ssid, &link->bssid, &network);
if (r == -ENOENT) {
link_enter_unmanaged(link);
@@ -2959,10 +2978,8 @@ int link_reconfigure(Link *link, bool force) {
/* Dropping old .network file */
r = link_stop_clients(link, false);
- if (r < 0) {
- link_enter_failed(link);
+ if (r < 0)
return r;
- }
if (link_dhcp4_server_enabled(link))
(void) sd_dhcp_server_stop(link->dhcp_server);
@@ -3006,6 +3023,46 @@ int link_reconfigure(Link *link, bool force) {
return 0;
}
+static int link_reconfigure_handler(sd_netlink *rtnl, sd_netlink_message *m, Link *link) {
+ int r;
+
+ r = link_reconfigure_internal(link, m, false);
+ if (r < 0)
+ link_enter_failed(link);
+
+ return 1;
+}
+
+static int link_force_reconfigure_handler(sd_netlink *rtnl, sd_netlink_message *m, Link *link) {
+ int r;
+
+ r = link_reconfigure_internal(link, m, true);
+ if (r < 0)
+ link_enter_failed(link);
+
+ return 1;
+}
+
+int link_reconfigure(Link *link, bool force) {
+ _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL;
+ int r;
+
+ r = sd_rtnl_message_new_link(link->manager->rtnl, &req, RTM_GETLINK,
+ link->ifindex);
+ if (r < 0)
+ return r;
+
+ r = netlink_call_async(link->manager->rtnl, NULL, req,
+ force ? link_force_reconfigure_handler : link_reconfigure_handler,
+ link_netlink_destroy_callback, link);
+ if (r < 0)
+ return r;
+
+ link_ref(link);
+
+ return 0;
+}
+
static int link_initialized_and_synced(Link *link) {
Network *network;
int r;
@@ -3035,7 +3092,7 @@ static int link_initialized_and_synced(Link *link) {
if (r < 0)
return r;
- r = network_get(link->manager, link->sd_device, link->ifname,
+ r = network_get(link->manager, link->sd_device, link->ifname, link->alternative_names,
&link->mac, link->wlan_iftype, link->ssid, &link->bssid, &network);
if (r == -ENOENT) {
link_enter_unmanaged(link);
@@ -3080,8 +3137,23 @@ static int link_initialized_and_synced(Link *link) {
}
static int link_initialized_handler(sd_netlink *rtnl, sd_netlink_message *m, Link *link) {
+ _cleanup_strv_free_ char **s = NULL;
int r;
+ r = sd_netlink_message_get_errno(m);
+ if (r < 0) {
+ link_enter_failed(link);
+ return 0;
+ }
+
+ r = sd_netlink_message_read_strv(m, IFLA_PROP_LIST, IFLA_ALT_IFNAME, &s);
+ if (r < 0 && r != -ENODATA) {
+ link_enter_failed(link);
+ return 0;
+ }
+
+ strv_free_and_replace(link->alternative_names, s);
+
r = link_initialized_and_synced(link);
if (r < 0)
link_enter_failed(link);
@@ -3414,9 +3486,11 @@ static int link_carrier_gained(Link *link) {
if (r < 0)
return r;
if (r > 0) {
- r = link_reconfigure(link, false);
- if (r < 0)
+ r = link_reconfigure_internal(link, NULL, false);
+ if (r < 0) {
+ link_enter_failed(link);
return r;
+ }
}
if (IN_SET(link->state, LINK_STATE_CONFIGURING, LINK_STATE_CONFIGURED)) {
@@ -3520,6 +3594,7 @@ static int link_admin_state_up(Link *link) {
}
int link_update(Link *link, sd_netlink_message *m) {
+ _cleanup_strv_free_ char **s = NULL;
struct ether_addr mac;
const char *ifname;
uint32_t mtu;
@@ -3551,6 +3626,10 @@ int link_update(Link *link, sd_netlink_message *m) {
return r;
}
+ r = sd_netlink_message_read_strv(m, IFLA_PROP_LIST, IFLA_ALT_IFNAME, &s);
+ if (r >= 0)
+ strv_free_and_replace(link->alternative_names, s);
+
r = sd_netlink_message_read_u32(m, IFLA_MTU, &mtu);
if (r >= 0 && mtu > 0) {
link->mtu = mtu;
diff --git a/src/network/networkd-link.h b/src/network/networkd-link.h
index 39ef475daf..172e483383 100644
--- a/src/network/networkd-link.h
+++ b/src/network/networkd-link.h
@@ -48,6 +48,7 @@ typedef struct Link {
int ifindex;
int master_ifindex;
char *ifname;
+ char **alternative_names;
char *kind;
unsigned short iftype;
char *state_file;
diff --git a/src/network/networkd-network-gperf.gperf b/src/network/networkd-network-gperf.gperf
index 9e0948fc2b..af51730008 100644
--- a/src/network/networkd-network-gperf.gperf
+++ b/src/network/networkd-network-gperf.gperf
@@ -34,7 +34,7 @@ Match.Type, config_parse_match_strv,
Match.WLANInterfaceType, config_parse_match_strv, 0, offsetof(Network, match_wlan_iftype)
Match.SSID, config_parse_match_strv, 0, offsetof(Network, match_ssid)
Match.BSSID, config_parse_hwaddrs, 0, offsetof(Network, match_bssid)
-Match.Name, config_parse_match_ifnames, 0, offsetof(Network, match_name)
+Match.Name, config_parse_match_ifnames, 1, offsetof(Network, match_name)
Match.Property, config_parse_match_property, 0, offsetof(Network, match_property)
Match.Host, config_parse_net_condition, CONDITION_HOST, offsetof(Network, conditions)
Match.Virtualization, config_parse_net_condition, CONDITION_VIRTUALIZATION, offsetof(Network, conditions)
diff --git a/src/network/networkd-network.c b/src/network/networkd-network.c
index 181afbb4cd..e2e2999354 100644
--- a/src/network/networkd-network.c
+++ b/src/network/networkd-network.c
@@ -718,7 +718,7 @@ int network_get_by_name(Manager *manager, const char *name, Network **ret) {
}
int network_get(Manager *manager, sd_device *device,
- const char *ifname, const struct ether_addr *address,
+ const char *ifname, char * const *alternative_names, const struct ether_addr *address,
enum nl80211_iftype wlan_iftype, const char *ssid, const struct ether_addr *bssid,
Network **ret) {
Network *network;
@@ -731,7 +731,7 @@ int network_get(Manager *manager, sd_device *device,
if (net_match_config(network->match_mac, network->match_path, network->match_driver,
network->match_type, network->match_name, network->match_property,
network->match_wlan_iftype, network->match_ssid, network->match_bssid,
- device, address, ifname, wlan_iftype, ssid, bssid)) {
+ device, address, ifname, alternative_names, wlan_iftype, ssid, bssid)) {
if (network->match_name && device) {
const char *attr;
uint8_t name_assign_type = NET_NAME_UNKNOWN;
diff --git a/src/network/networkd-network.h b/src/network/networkd-network.h
index aa74bb4ae7..bd3c96d972 100644
--- a/src/network/networkd-network.h
+++ b/src/network/networkd-network.h
@@ -297,8 +297,9 @@ int network_load_one(Manager *manager, OrderedHashmap **networks, const char *fi
int network_verify(Network *network);
int network_get_by_name(Manager *manager, const char *name, Network **ret);
-int network_get(Manager *manager, sd_device *device, const char *ifname, const struct ether_addr *mac,
- enum nl80211_iftype wlan_iftype, const char *ssid, const struct ether_addr *bssid, Network **ret);
+int network_get(Manager *manager, sd_device *device, const char *ifname, char * const *alternative_names,
+ const struct ether_addr *mac, enum nl80211_iftype wlan_iftype, const char *ssid,
+ const struct ether_addr *bssid, Network **ret);
int network_apply(Network *network, Link *link);
void network_apply_anonymize_if_set(Network *network);
diff --git a/src/network/test-network.c b/src/network/test-network.c
index 873d996e4f..9c06860699 100644
--- a/src/network/test-network.c
+++ b/src/network/test-network.c
@@ -125,7 +125,7 @@ static void test_network_get(Manager *manager, sd_device *loopback) {
/* let's assume that the test machine does not have a .network file
that applies to the loopback device... */
- assert_se(network_get(manager, loopback, "lo", &mac, 0, NULL, NULL, &network) == -ENOENT);
+ assert_se(network_get(manager, loopback, "lo", NULL, &mac, 0, NULL, NULL, &network) == -ENOENT);
assert_se(!network);
}
diff --git a/src/udev/net/link-config.c b/src/udev/net/link-config.c
index 6879cfee07..8d89f1af10 100644
--- a/src/udev/net/link-config.c
+++ b/src/udev/net/link-config.c
@@ -244,7 +244,7 @@ int link_config_get(link_config_ctx *ctx, sd_device *device, link_config **ret)
LIST_FOREACH(links, link, ctx->links) {
if (net_match_config(link->match_mac, link->match_path, link->match_driver,
link->match_type, link->match_name, link->match_property, NULL, NULL, NULL,
- device, NULL, NULL, 0, NULL, NULL)) {
+ device, NULL, NULL, NULL, 0, NULL, NULL)) {
if (link->match_name && !strv_contains(link->match_name, "*")) {
unsigned name_assign_type = NET_NAME_UNKNOWN;