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-rw-r--r--man/systemd-networkd.service.xml17
-rw-r--r--src/network/networkd-gperf.gperf2
-rw-r--r--src/network/networkd-link.c14
-rw-r--r--src/network/networkd-netdev.c67
-rw-r--r--src/network/networkd-network.c37
-rw-r--r--src/network/networkd.h8
6 files changed, 128 insertions, 17 deletions
diff --git a/man/systemd-networkd.service.xml b/man/systemd-networkd.service.xml
index 57a3a7cf71..3403a7a1a7 100644
--- a/man/systemd-networkd.service.xml
+++ b/man/systemd-networkd.service.xml
@@ -105,11 +105,24 @@
<varlistentry>
<term><varname>Kind</varname></term>
<listitem>
- <para>The netdev kind. Currently, 'bridge' and 'bond' are
- supported. This option is compulsory.</para>
+ <para>The netdev kind. Currently, 'bridge', 'bond' and 'vlan'
+ are supported. This option is compulsory.</para>
</listitem>
</varlistentry>
</variablelist>
+
+ <para>The <literal>[VLAN]</literal> section only applies for netdevs of kind 'vlan',
+ and accepts the following keys:</para>
+
+ <variablelist class='network-directives'>
+ <varlistentry>
+ <term><varname>Id</varname></term>
+ <listitem>
+ <para>The VLAN ID to use. This option is compulsory.</para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+
</refsect2>
<refsect2><title>Networks</title>
diff --git a/src/network/networkd-gperf.gperf b/src/network/networkd-gperf.gperf
index 7181cf856a..aff23bb55d 100644
--- a/src/network/networkd-gperf.gperf
+++ b/src/network/networkd-gperf.gperf
@@ -23,6 +23,7 @@ Match.Name, config_parse_ifname, 0, offsetof(Networ
Network.Description, config_parse_string, 0, offsetof(Network, description)
Network.Bridge, config_parse_bridge, 0, offsetof(Network, bridge)
Network.Bond, config_parse_bond, 0, offsetof(Network, bond)
+Network.VLAN, config_parse_vlan, 0, offsetof(Network, vlan)
Network.DHCP, config_parse_bool, 0, offsetof(Network, dhcp)
Network.Address, config_parse_address, 0, 0
Network.Gateway, config_parse_gateway, 0, 0
@@ -38,3 +39,4 @@ DHCPv4.UseDomainName, config_parse_bool, 0, offsetof(Networ
Netdev.Description, config_parse_string, 0, offsetof(Netdev, description)
Netdev.Name, config_parse_ifname, 0, offsetof(Netdev, name)
Netdev.Kind, config_parse_netdev_kind, 0, offsetof(Netdev, kind)
+VLAN.Id, config_parse_int, 0, offsetof(Netdev, vlanid)
diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
index f746f2dcc4..17e7047bd5 100644
--- a/src/network/networkd-link.c
+++ b/src/network/networkd-link.c
@@ -786,7 +786,7 @@ static int link_enter_enslave(Link *link) {
link->state = LINK_STATE_ENSLAVING;
- if (!link->network->bridge && !link->network->bond)
+ if (!link->network->bridge && !link->network->bond && !link->network->vlan)
return link_enslaved(link);
if (link->network->bridge) {
@@ -810,19 +810,19 @@ static int link_enter_enslave(Link *link) {
link->enslaving ++;
}
- if (link->network->bond) {
+ if (link->network->vlan) {
log_struct_link(LOG_DEBUG, link,
"MESSAGE=%s: enslaving by '%s'",
- link->network->bond->name,
- NETDEV(link->network->bond),
+ link->network->vlan->name,
+ NETDEV(link->network->vlan),
NULL);
- r = netdev_enslave(link->network->bond, link, &enslave_handler);
+ r = netdev_enslave(link->network->vlan, link, &enslave_handler);
if (r < 0) {
log_struct_link(LOG_WARNING, link,
"MESSAGE=%s: could not enslave by '%s': %s",
- link->network->bond->name, strerror(-r),
- NETDEV(link->network->bond),
+ link->network->vlan->name, strerror(-r),
+ NETDEV(link->network->vlan),
NULL);
link_enter_failed(link);
return r;
diff --git a/src/network/networkd-netdev.c b/src/network/networkd-netdev.c
index 2d1cef112b..1a6eebe1a7 100644
--- a/src/network/networkd-netdev.c
+++ b/src/network/networkd-netdev.c
@@ -28,7 +28,8 @@
static const char* const netdev_kind_table[] = {
[NETDEV_KIND_BRIDGE] = "bridge",
- [NETDEV_KIND_BOND] = "bond"
+ [NETDEV_KIND_BOND] = "bond",
+ [NETDEV_KIND_VLAN] = "vlan",
};
DEFINE_STRING_TABLE_LOOKUP(netdev_kind, NetdevKind);
@@ -154,13 +155,13 @@ static int netdev_create_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userda
return 1;
}
-static int netdev_create(Netdev *netdev) {
+static int netdev_create(Netdev *netdev, Link *link, sd_rtnl_message_handler_t callback) {
_cleanup_sd_rtnl_message_unref_ sd_rtnl_message *req = NULL;
const char *kind;
int r;
assert(netdev);
- assert(netdev->state == _NETDEV_STATE_INVALID);
+ assert(!(netdev->kind == NETDEV_KIND_VLAN) || (link && callback && netdev->vlanid >= 0));
assert(netdev->name);
assert(netdev->manager);
assert(netdev->manager->rtnl);
@@ -173,6 +174,16 @@ static int netdev_create(Netdev *netdev) {
return r;
}
+ if (link) {
+ r = sd_rtnl_message_append_u32(req, IFLA_LINK, link->ifindex);
+ if (r < 0) {
+ log_error_netdev(netdev,
+ "Could not append IFLA_LINK attribute: %s",
+ strerror(-r));
+ return r;
+ }
+ }
+
r = sd_rtnl_message_append_string(req, IFLA_IFNAME, netdev->name);
if (r < 0) {
log_error_netdev(netdev,
@@ -203,6 +214,32 @@ static int netdev_create(Netdev *netdev) {
return r;
}
+ if (netdev->vlanid >= 0) {
+ r = sd_rtnl_message_open_container(req, IFLA_INFO_DATA);
+ if (r < 0) {
+ log_error_netdev(netdev,
+ "Could not open IFLA_INFO_DATA container: %s",
+ strerror(-r));
+ return r;
+ }
+
+ r = sd_rtnl_message_append_u16(req, IFLA_VLAN_ID, netdev->vlanid);
+ if (r < 0) {
+ log_error_netdev(netdev,
+ "Could not append IFLA_VLAN_ID attribute: %s",
+ strerror(-r));
+ return r;
+ }
+
+ r = sd_rtnl_message_close_container(req);
+ if (r < 0) {
+ log_error_netdev(netdev,
+ "Could not close IFLA_INFO_DATA container %s",
+ strerror(-r));
+ return r;
+ }
+ }
+
r = sd_rtnl_message_close_container(req);
if (r < 0) {
log_error_netdev(netdev,
@@ -211,7 +248,10 @@ static int netdev_create(Netdev *netdev) {
return r;
}
- r = sd_rtnl_call_async(netdev->manager->rtnl, req, &netdev_create_handler, netdev, 0, NULL);
+ if (link)
+ r = sd_rtnl_call_async(netdev->manager->rtnl, req, callback, link, 0, NULL);
+ else
+ r = sd_rtnl_call_async(netdev->manager->rtnl, req, &netdev_create_handler, netdev, 0, NULL);
if (r < 0) {
log_error_netdev(netdev,
"Could not send rtnetlink message: %s", strerror(-r));
@@ -226,6 +266,9 @@ static int netdev_create(Netdev *netdev) {
}
int netdev_enslave(Netdev *netdev, Link *link, sd_rtnl_message_handler_t callback) {
+ if (netdev->kind == NETDEV_KIND_VLAN)
+ return netdev_create(netdev, link, callback);
+
if (netdev->state == NETDEV_STATE_READY) {
netdev_enslave_ready(netdev, link, callback);
} else {
@@ -289,8 +332,9 @@ static int netdev_load_one(Manager *manager, const char *filename) {
netdev->manager = manager;
netdev->state = _NETDEV_STATE_INVALID;
netdev->kind = _NETDEV_KIND_INVALID;
+ netdev->vlanid = -1;
- r = config_parse(NULL, filename, file, "Netdev\0", config_item_perf_lookup,
+ r = config_parse(NULL, filename, file, "Netdev\0VLAN\0", config_item_perf_lookup,
(void*) network_gperf_lookup, false, false, netdev);
if (r < 0) {
log_warning("Could not parse config file %s: %s", filename, strerror(-r));
@@ -307,6 +351,11 @@ static int netdev_load_one(Manager *manager, const char *filename) {
return 0;
}
+ if (netdev->kind == NETDEV_KIND_VLAN && netdev->vlanid < 0) {
+ log_warning("VLAN without Id configured in %s. Ignoring", filename);
+ return 0;
+ }
+
netdev->filename = strdup(filename);
if (!netdev->filename)
return log_oom();
@@ -317,9 +366,11 @@ static int netdev_load_one(Manager *manager, const char *filename) {
LIST_HEAD_INIT(netdev->callbacks);
- r = netdev_create(netdev);
- if (r < 0)
- return r;
+ if (netdev->kind != NETDEV_KIND_VLAN) {
+ r = netdev_create(netdev, NULL, NULL);
+ if (r < 0)
+ return r;
+ }
netdev = NULL;
diff --git a/src/network/networkd-network.c b/src/network/networkd-network.c
index e703294731..2a720349a0 100644
--- a/src/network/networkd-network.c
+++ b/src/network/networkd-network.c
@@ -285,3 +285,40 @@ int config_parse_bond(const char *unit,
return 0;
}
+
+int config_parse_vlan(const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+ Network *network = userdata;
+ Netdev *netdev;
+ int r;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ r = netdev_get(network->manager, rvalue, &netdev);
+ if (r < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, EINVAL,
+ "VLAN is invalid, ignoring assignment: %s", rvalue);
+ return 0;
+ }
+
+ if (netdev->kind != NETDEV_KIND_VLAN) {
+ log_syntax(unit, LOG_ERR, filename, line, EINVAL,
+ "Netdev is not a VLAN, ignoring assignment: %s", rvalue);
+ return 0;
+ }
+
+ network->vlan = netdev;
+
+ return 0;
+}
diff --git a/src/network/networkd.h b/src/network/networkd.h
index 2323e3db85..22dcbd0987 100644
--- a/src/network/networkd.h
+++ b/src/network/networkd.h
@@ -53,6 +53,7 @@ struct netdev_enslave_callback {
typedef enum NetdevKind {
NETDEV_KIND_BRIDGE,
NETDEV_KIND_BOND,
+ NETDEV_KIND_VLAN,
_NETDEV_KIND_MAX,
_NETDEV_KIND_INVALID = -1
} NetdevKind;
@@ -74,6 +75,8 @@ struct Netdev {
char *name;
NetdevKind kind;
+ int vlanid;
+
Link *link;
NetdevState state;
@@ -94,6 +97,7 @@ struct Network {
char *description;
Netdev *bridge;
Netdev *bond;
+ Netdev *vlan;
bool dhcp;
bool dhcp_dns;
bool dhcp_mtu;
@@ -258,6 +262,10 @@ int config_parse_bond(const char *unit, const char *filename, unsigned line,
const char *section, unsigned section_line, const char *lvalue,
int ltype, const char *rvalue, void *data, void *userdata);
+int config_parse_vlan(const char *unit, const char *filename, unsigned line,
+ const char *section, unsigned section_line, const char *lvalue,
+ int ltype, const char *rvalue, void *data, void *userdata);
+
/* gperf */
const struct ConfigPerfItem* network_gperf_lookup(const char *key, unsigned length);
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-24 03:33:07 +0000