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networkd: add basic bonding support

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Refactor bridging support to be generic netdev support and extend it to
cover bonding as well.
This commit is contained in:
Tom Gundersen 2014-01-21 21:58:08 +01:00
parent 01b36069cc
commit 52433f6b65
8 changed files with 300 additions and 179 deletions
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4
Makefile.am
View File

@ -4082,7 +4082,7 @@ systemd_networkd_SOURCES = \
src/network/networkd.h \
src/network/networkd.c \
src/network/networkd-link.c \
src/network/networkd-bridge.c \
src/network/networkd-netdev.c \
src/network/networkd-network.c \
src/network/networkd-address.c \
src/network/networkd-route.c \
@ -4110,7 +4110,7 @@ test_network_SOURCES = \
src/network/test-network.c \
src/network/networkd.h \
src/network/networkd-link.c \
src/network/networkd-bridge.c \
src/network/networkd-netdev.c \
src/network/networkd-network.c \
src/network/networkd-address.c \
src/network/networkd-route.c \

15
man/systemd-networkd.service.xml
View File

@ -91,7 +91,7 @@
other extensions are ignored. Virtual network devices are created as soon
as networkd is started.</para>
<para>The <literal>[Bridge]</literal> section accepts the following
<para>The <literal>[Netdev]</literal> section accepts the following
keys:</para>
<variablelist class='network-directives'>
@ -102,6 +102,13 @@
bridge. This option is compulsory.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><varname>Kind</varname></term>
<listitem>
<para>The netdev kind. Currently, 'bridge' and 'bond' are
supported. This option is compulsory.</para>
</listitem>
</varlistentry>
</variablelist>
</refsect2>
@ -206,6 +213,12 @@
<para>The name of the bridge to add the configured link to.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><varname>Bond</varname></term>
<listitem>
<para>The name of the bond to add the configured link to.</para>
</listitem>
</varlistentry>
</variablelist>
<para>The <literal>[Address]</literal> section accepts the following keys:</para>

6
src/network/networkd-gperf.gperf
View File

@ -22,6 +22,7 @@ Match.Type, config_parse_string, 0, offsetof(Networ
Match.Name, config_parse_ifname, 0, offsetof(Network, match_name)
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.DHCP, config_parse_bool, 0, offsetof(Network, dhcp)
Network.Address, config_parse_address, 0, 0
Network.Gateway, config_parse_gateway, 0, 0
@ -34,5 +35,6 @@ DHCPv4.UseDNS, config_parse_bool, 0, offsetof(Networ
DHCPv4.UseMTU, config_parse_bool, 0, offsetof(Network, dhcp_mtu)
DHCPv4.UseHostname, config_parse_bool, 0, offsetof(Network, dhcp_hostname)
DHCPv4.UseDomainName, config_parse_bool, 0, offsetof(Network, dhcp_domainname)
Bridge.Description, config_parse_string, 0, offsetof(Bridge, description)
Bridge.Name, config_parse_ifname, 0, offsetof(Bridge, name)
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)

98
src/network/networkd-link.c
View File

@ -95,7 +95,7 @@ int link_add(Manager *m, struct udev_device *device, Link **ret) {
Network *network;
int r;
uint64_t ifindex;
const char *devtype;
NetdevKind kind;
assert(m);
assert(device);
@ -113,9 +113,9 @@ int link_add(Manager *m, struct udev_device *device, Link **ret) {
*ret = link;
devtype = udev_device_get_devtype(device);
if (streq_ptr(devtype, "bridge")) {
r = bridge_set_link(m, link);
kind = netdev_kind_from_string(udev_device_get_devtype(device));
if (kind != _NETDEV_KIND_INVALID) {
r = netdev_set_link(m, kind, link);
if (r < 0 && r != -ENOENT)
return r;
}
@ -729,11 +729,11 @@ static int link_up(Link *link) {
return 0;
}
static int link_bridge_joined(Link *link) {
static int link_enslaved(Link *link) {
int r;
assert(link);
assert(link->state == LINK_STATE_JOINING_BRIDGE);
assert(link->state == LINK_STATE_ENSLAVING);
assert(link->network);
r = link_up(link);
@ -748,67 +748,87 @@ static int link_bridge_joined(Link *link) {
return 0;
}
static int bridge_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
static int enslave_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
Link *link = userdata;
int r;
assert(link);
assert(link->state == LINK_STATE_JOINING_BRIDGE || link->state == LINK_STATE_FAILED);
assert(link->state == LINK_STATE_ENSLAVING || link->state == LINK_STATE_FAILED);
assert(link->network);
link->enslaving --;
if (link->state == LINK_STATE_FAILED)
return 1;
r = sd_rtnl_message_get_errno(m);
if (r < 0) {
log_struct_link(LOG_ERR, link,
"MESSAGE=%s: could not join bridge '%s': %s",
link->ifname, link->network->bridge->name, strerror(-r),
BRIDGE(link->network->bridge),
NULL);
log_error_link(link, "could not enslave: %s",
strerror(-r));
link_enter_failed(link);
return 1;
}
log_struct_link(LOG_DEBUG, link,
"MESSAGE=%s: joined bridge '%s'",
link->network->bridge->name,
BRIDGE(link->network->bridge),
NULL);
log_debug_link(link, "enslaved");
link_bridge_joined(link);
if (link->enslaving == 0)
link_enslaved(link);
return 1;
}
static int link_enter_join_bridge(Link *link) {
static int link_enter_enslave(Link *link) {
int r;
assert(link);
assert(link->network);
assert(link->state == _LINK_STATE_INVALID);
link->state = LINK_STATE_JOINING_BRIDGE;
link->state = LINK_STATE_ENSLAVING;
if (!link->network->bridge)
return link_bridge_joined(link);
if (!link->network->bridge && !link->network->bond)
return link_enslaved(link);
log_struct_link(LOG_DEBUG, link,
"MESSAGE=%s: joining bridge '%s'",
link->network->bridge->name,
BRIDGE(link->network->bridge),
NULL);
log_debug_link(link, "joining bridge");
r = bridge_join(link->network->bridge, link, &bridge_handler);
if (r < 0) {
log_struct_link(LOG_WARNING, link,
"MESSAGE=%s: could not join bridge '%s': %s",
link->network->bridge->name, strerror(-r),
BRIDGE(link->network->bridge),
if (link->network->bridge) {
log_struct_link(LOG_DEBUG, link,
"MESSAGE=%s: enslaving by '%s'",
link->network->bridge->name,
NETDEV(link->network->bridge),
NULL);
link_enter_failed(link);
return r;
r = netdev_enslave(link->network->bridge, link, &enslave_handler);
if (r < 0) {
log_struct_link(LOG_WARNING, link,
"MESSAGE=%s: could not enslave by '%s': %s",
link->network->bridge->name, strerror(-r),
NETDEV(link->network->bridge),
NULL);
link_enter_failed(link);
return r;
}
link->enslaving ++;
}
if (link->network->bond) {
log_struct_link(LOG_DEBUG, link,
"MESSAGE=%s: enslaving by '%s'",
link->network->bond->name,
NETDEV(link->network->bond),
NULL);
r = netdev_enslave(link->network->bond, 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),
NULL);
link_enter_failed(link);
return r;
}
link->enslaving ++;
}
return 0;
@ -875,7 +895,7 @@ int link_configure(Link *link) {
return r;
}
return link_enter_join_bridge(link);
return link_enter_enslave(link);
}
int link_update(Link *link, sd_rtnl_message *m) {

14
src/network/networkd-manager.c
View File

@ -70,8 +70,8 @@ int manager_new(Manager **ret) {
if (!m->links)
return -ENOMEM;
m->bridges = hashmap_new(string_hash_func, string_compare_func);
if (!m->bridges)
m->netdevs = hashmap_new(string_hash_func, string_compare_func);
if (!m->netdevs)
return -ENOMEM;
LIST_HEAD_INIT(m->networks);
@ -84,7 +84,7 @@ int manager_new(Manager **ret) {
void manager_free(Manager *m) {
Network *network;
Bridge *bridge;
Netdev *netdev;
Link *link;
udev_monitor_unref(m->udev_monitor);
@ -100,9 +100,9 @@ void manager_free(Manager *m) {
link_free(link);
hashmap_free(m->links);
while ((bridge = hashmap_first(m->bridges)))
bridge_free(bridge);
hashmap_free(m->bridges);
while ((netdev = hashmap_first(m->netdevs)))
netdev_free(netdev);
hashmap_free(m->netdevs);
sd_rtnl_unref(m->rtnl);
@ -115,7 +115,7 @@ int manager_load_config(Manager *m) {
/* update timestamp */
paths_check_timestamp(network_dirs, &m->network_dirs_ts_usec, true);
r = bridge_load(m);
r = netdev_load(m);
if (r < 0)
return r;

208
src/network/networkd-bridge.c → src/network/networkd-netdev.c
View File

@ -26,119 +26,127 @@
#include "conf-parser.h"
#include "list.h"
void bridge_free(Bridge *bridge) {
bridge_join_callback *callback;
static const char* const netdev_kind_table[] = {
[NETDEV_KIND_BRIDGE] = "bridge",
[NETDEV_KIND_BOND] = "bond"
};
if (!bridge)
DEFINE_STRING_TABLE_LOOKUP(netdev_kind, NetdevKind);
DEFINE_CONFIG_PARSE_ENUM(config_parse_netdev_kind, netdev_kind, NetdevKind, "Failed to parse netdev kind");
void netdev_free(Netdev *netdev) {
netdev_enslave_callback *callback;
if (!netdev)
return;
while ((callback = bridge->callbacks)) {
LIST_REMOVE(callbacks, bridge->callbacks, callback);
while ((callback = netdev->callbacks)) {
LIST_REMOVE(callbacks, netdev->callbacks, callback);
free(callback);
}
if (bridge->name)
hashmap_remove(bridge->manager->bridges, bridge->name);
if (netdev->name)
hashmap_remove(netdev->manager->netdevs, netdev->name);
free(bridge->filename);
free(netdev->filename);
free(bridge->description);
free(bridge->name);
free(netdev->description);
free(netdev->name);
free(bridge);
free(netdev);
}
int bridge_get(Manager *manager, const char *name, Bridge **ret) {
Bridge *bridge;
int netdev_get(Manager *manager, const char *name, Netdev **ret) {
Netdev *netdev;
assert(manager);
assert(name);
assert(ret);
bridge = hashmap_get(manager->bridges, name);
if (!bridge) {
netdev = hashmap_get(manager->netdevs, name);
if (!netdev) {
*ret = NULL;
return -ENOENT;
}
*ret = bridge;
*ret = netdev;
return 0;
}
static int bridge_enter_failed(Bridge *bridge) {
bridge->state = BRIDGE_STATE_FAILED;
static int netdev_enter_failed(Netdev *netdev) {
netdev->state = NETDEV_STATE_FAILED;
return 0;
}
static int bridge_join_ready(Bridge *bridge, Link* link, sd_rtnl_message_handler_t callback) {
static int netdev_enslave_ready(Netdev *netdev, Link* link, sd_rtnl_message_handler_t callback) {
_cleanup_sd_rtnl_message_unref_ sd_rtnl_message *req = NULL;
int r;
assert(bridge);
assert(bridge->state == BRIDGE_STATE_READY);
assert(netdev);
assert(netdev->state == NETDEV_STATE_READY);
assert(link);
assert(callback);
r = sd_rtnl_message_link_new(RTM_SETLINK, link->ifindex, &req);
if (r < 0) {
log_error_bridge(bridge,
log_error_netdev(netdev,
"Could not allocate RTM_SETLINK message: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_append_u32(req, IFLA_MASTER, bridge->link->ifindex);
r = sd_rtnl_message_append_u32(req, IFLA_MASTER, netdev->link->ifindex);
if (r < 0) {
log_error_bridge(bridge,
log_error_netdev(netdev,
"Could not append IFLA_MASTER attribute: %s",
strerror(-r));
return r;
}
r = sd_rtnl_call_async(bridge->manager->rtnl, req, callback, link, 0, NULL);
r = sd_rtnl_call_async(netdev->manager->rtnl, req, callback, link, 0, NULL);
if (r < 0) {
log_error_bridge(bridge,
log_error_netdev(netdev,
"Could not send rtnetlink message: %s",
strerror(-r));
return r;
}
log_debug_bridge(bridge, "joining link %s to bridge", link->ifname);
log_debug_netdev(netdev, "enslaving link '%s'", link->ifname);
return 0;
}
static int bridge_enter_ready(Bridge *bridge) {
bridge_join_callback *callback;
static int netdev_enter_ready(Netdev *netdev) {
netdev_enslave_callback *callback;
assert(bridge);
assert(bridge->name);
assert(netdev);
assert(netdev->name);
bridge->state = BRIDGE_STATE_READY;
netdev->state = NETDEV_STATE_READY;
log_info_bridge(bridge, "bridge ready");
log_info_netdev(netdev, "netdev ready");
LIST_FOREACH(callbacks, callback, bridge->callbacks) {
/* join the links that were attempted to be joined befor the
LIST_FOREACH(callbacks, callback, netdev->callbacks) {
/* enslave the links that were attempted to be enslaved befor the
* link was ready */
bridge_join_ready(bridge, callback->link, callback->callback);
netdev_enslave_ready(netdev, callback->link, callback->callback);
}
return 0;
}
static int bridge_create_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
Bridge *bridge = userdata;
static int netdev_create_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
Netdev *netdev = userdata;
int r;
assert(bridge->state != _BRIDGE_STATE_INVALID);
assert(netdev->state != _NETDEV_STATE_INVALID);
r = sd_rtnl_message_get_errno(m);
if (r < 0) {
log_warning_bridge(bridge, "bridge failed: %s", strerror(-r));
bridge_enter_failed(bridge);
log_warning_netdev(netdev, "netdev failed: %s", strerror(-r));
netdev_enter_failed(netdev);
return 1;
}
@ -146,27 +154,28 @@ static int bridge_create_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userda
return 1;
}
static int bridge_create(Bridge *bridge) {
static int netdev_create(Netdev *netdev) {
_cleanup_sd_rtnl_message_unref_ sd_rtnl_message *req = NULL;
const char *kind;
int r;
assert(bridge);
assert(bridge->state == _BRIDGE_STATE_INVALID);
assert(bridge->name);
assert(bridge->manager);
assert(bridge->manager->rtnl);
assert(netdev);
assert(netdev->state == _NETDEV_STATE_INVALID);
assert(netdev->name);
assert(netdev->manager);
assert(netdev->manager->rtnl);
r = sd_rtnl_message_link_new(RTM_NEWLINK, 0, &req);
if (r < 0) {
log_error_bridge(bridge,
log_error_netdev(netdev,
"Could not allocate RTM_NEWLINK message: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_append_string(req, IFLA_IFNAME, bridge->name);
r = sd_rtnl_message_append_string(req, IFLA_IFNAME, netdev->name);
if (r < 0) {
log_error_bridge(bridge,
log_error_netdev(netdev,
"Could not append IFLA_IFNAME attribute: %s",
strerror(-r));
return r;
@ -174,15 +183,21 @@ static int bridge_create(Bridge *bridge) {
r = sd_rtnl_message_open_container(req, IFLA_LINKINFO);
if (r < 0) {
log_error_bridge(bridge,
log_error_netdev(netdev,
"Could not open IFLA_LINKINFO container: %s",
strerror(-r));
return r;
}
r = sd_rtnl_message_append_string(req, IFLA_INFO_KIND, "bridge");
kind = netdev_kind_to_string(netdev->kind);
if (!kind) {
log_error_netdev(netdev, "Invalid kind");
return -EINVAL;
}
r = sd_rtnl_message_append_string(req, IFLA_INFO_KIND, kind);
if (r < 0) {
log_error_bridge(bridge,
log_error_netdev(netdev,
"Could not append IFLA_INFO_KIND attribute: %s",
strerror(-r));
return r;
@ -190,66 +205,69 @@ static int bridge_create(Bridge *bridge) {
r = sd_rtnl_message_close_container(req);
if (r < 0) {
log_error_bridge(bridge,
log_error_netdev(netdev,
"Could not close IFLA_LINKINFO container %s",
strerror(-r));
return r;
}
r = sd_rtnl_call_async(bridge->manager->rtnl, req, &bridge_create_handler, bridge, 0, NULL);
r = sd_rtnl_call_async(netdev->manager->rtnl, req, &netdev_create_handler, netdev, 0, NULL);
if (r < 0) {
log_error_bridge(bridge,
log_error_netdev(netdev,
"Could not send rtnetlink message: %s", strerror(-r));
return r;
}
log_debug_bridge(bridge, "creating bridge");
log_debug_netdev(netdev, "creating netdev");
bridge->state = BRIDGE_STATE_CREATING;
netdev->state = NETDEV_STATE_CREATING;
return 0;
}
int bridge_join(Bridge *bridge, Link *link, sd_rtnl_message_handler_t callback) {
if (bridge->state == BRIDGE_STATE_READY) {
bridge_join_ready(bridge, link, callback);
int netdev_enslave(Netdev *netdev, Link *link, sd_rtnl_message_handler_t callback) {
if (netdev->state == NETDEV_STATE_READY) {
netdev_enslave_ready(netdev, link, callback);
} else {
/* the bridge is not yet read, save this request for when it is*/
bridge_join_callback *cb;
/* the netdev is not yet read, save this request for when it is*/
netdev_enslave_callback *cb;
cb = new0(bridge_join_callback, 1);
cb = new0(netdev_enslave_callback, 1);
if (!cb)
return log_oom();
cb->callback = callback;
cb->link = link;
LIST_PREPEND(callbacks, bridge->callbacks, cb);
LIST_PREPEND(callbacks, netdev->callbacks, cb);
}
return 0;
}
int bridge_set_link(Manager *m, Link *link) {
Bridge *bridge;
int netdev_set_link(Manager *m, NetdevKind kind, Link *link) {
Netdev *netdev;
int r;
r = bridge_get(m, link->ifname, &bridge);
r = netdev_get(m, link->ifname, &netdev);
if (r < 0)
return r;
if (bridge->link && bridge->link != link)
if (netdev->link && netdev->link != link)
return -EEXIST;
bridge->link = link;
if (netdev->kind != kind)
return -EINVAL;
bridge_enter_ready(bridge);
netdev->link = link;
netdev_enter_ready(netdev);
return 0;
}
static int bridge_load_one(Manager *manager, const char *filename) {
_cleanup_bridge_free_ Bridge *bridge = NULL;
static int netdev_load_one(Manager *manager, const char *filename) {
_cleanup_netdev_free_ Netdev *netdev = NULL;
_cleanup_fclose_ FILE *file = NULL;
int r;
@ -264,53 +282,59 @@ static int bridge_load_one(Manager *manager, const char *filename) {
return errno;
}
bridge = new0(Bridge, 1);
if (!bridge)
netdev = new0(Netdev, 1);
if (!netdev)
return log_oom();
bridge->manager = manager;
bridge->state = _BRIDGE_STATE_INVALID;
netdev->manager = manager;
netdev->state = _NETDEV_STATE_INVALID;
netdev->kind = _NETDEV_KIND_INVALID;
r = config_parse(NULL, filename, file, "Bridge\0", config_item_perf_lookup,
(void*) network_gperf_lookup, false, false, bridge);
r = config_parse(NULL, filename, file, "Netdev\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));
return r;
}
if (!bridge->name) {
log_warning("Bridge without Name configured in %s. Ignoring", filename);
if (netdev->kind == _NETDEV_KIND_INVALID) {
log_warning("Netdev without Kind configured in %s. Ignoring", filename);
return 0;
}
bridge->filename = strdup(filename);
if (!bridge->filename)
if (!netdev->name) {
log_warning("Netdev without Name configured in %s. Ignoring", filename);
return 0;
}
netdev->filename = strdup(filename);
if (!netdev->filename)
return log_oom();
r = hashmap_put(bridge->manager->bridges, bridge->name, bridge);
r = hashmap_put(netdev->manager->netdevs, netdev->name, netdev);
if (r < 0)
return r;
LIST_HEAD_INIT(bridge->callbacks);
LIST_HEAD_INIT(netdev->callbacks);
r = bridge_create(bridge);
r = netdev_create(netdev);
if (r < 0)
return r;
bridge = NULL;
netdev = NULL;
return 0;
}
int bridge_load(Manager *manager) {
Bridge *bridge;
int netdev_load(Manager *manager) {
Netdev *netdev;
char **files, **f;
int r;
assert(manager);
while ((bridge = hashmap_first(manager->bridges)))
bridge_free(bridge);
while ((netdev = hashmap_first(manager->netdevs)))
netdev_free(netdev);
r = conf_files_list_strv(&files, ".netdev", NULL, network_dirs);
if (r < 0) {
@ -319,7 +343,7 @@ int bridge_load(Manager *manager) {
}
STRV_FOREACH_BACKWARDS(f, files) {
r = bridge_load_one(manager, *f);
r = netdev_load_one(manager, *f);
if (r < 0)
return r;
}

49
src/network/networkd-network.c
View File

@ -223,7 +223,7 @@ int config_parse_bridge(const char *unit,
void *data,
void *userdata) {
Network *network = userdata;
Bridge *bridge;
Netdev *netdev;
int r;
assert(filename);
@ -231,14 +231,57 @@ int config_parse_bridge(const char *unit,
assert(rvalue);
assert(data);
r = bridge_get(network->manager, rvalue, &bridge);
r = netdev_get(network->manager, rvalue, &netdev);
if (r < 0) {
log_syntax(unit, LOG_ERR, filename, line, EINVAL,
"Bridge is invalid, ignoring assignment: %s", rvalue);
return 0;
}
network->bridge = bridge;
if (netdev->kind != NETDEV_KIND_BRIDGE) {
log_syntax(unit, LOG_ERR, filename, line, EINVAL,
"Netdev is not a bridge, ignoring assignment: %s", rvalue);
return 0;
}
network->bridge = netdev;
return 0;
}
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) {
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,
"Bond is invalid, ignoring assignment: %s", rvalue);
return 0;
}
if (netdev->kind != NETDEV_KIND_BOND) {
log_syntax(unit, LOG_ERR, filename, line, EINVAL,
"Netdev is not a bond, ignoring assignment: %s", rvalue);
return 0;
}
network->bond = netdev;
return 0;
}

85
src/network/networkd.h
View File

@ -34,42 +34,50 @@
#include "hashmap.h"
#include "list.h"
typedef struct Bridge Bridge;
typedef struct Netdev Netdev;
typedef struct Network Network;
typedef struct Link Link;
typedef struct Address Address;
typedef struct Route Route;
typedef struct Manager Manager;
typedef struct bridge_join_callback bridge_join_callback;
typedef struct netdev_enslave_callback netdev_enslave_callback;
struct bridge_join_callback {
struct netdev_enslave_callback {
sd_rtnl_message_handler_t callback;
Link *link;
LIST_FIELDS(bridge_join_callback, callbacks);
LIST_FIELDS(netdev_enslave_callback, callbacks);
};
typedef enum BridgeState {
BRIDGE_STATE_FAILED,
BRIDGE_STATE_CREATING,
BRIDGE_STATE_READY,
_BRIDGE_STATE_MAX,
_BRIDGE_STATE_INVALID = -1,
} BridgeState;
typedef enum NetdevKind {
NETDEV_KIND_BRIDGE,
NETDEV_KIND_BOND,
_NETDEV_KIND_MAX,
_NETDEV_KIND_INVALID = -1
} NetdevKind;
struct Bridge {
typedef enum NetdevState {
NETDEV_STATE_FAILED,
NETDEV_STATE_CREATING,
NETDEV_STATE_READY,
_NETDEV_STATE_MAX,
_NETDEV_STATE_INVALID = -1,
} NetdevState;
struct Netdev {
Manager *manager;
char *filename;
char *description;
char *name;
NetdevKind kind;
Link *link;
BridgeState state;
NetdevState state;
LIST_HEAD(bridge_join_callback, callbacks);
LIST_HEAD(netdev_enslave_callback, callbacks);
};
struct Network {
@ -84,7 +92,8 @@ struct Network {
char *match_name;
char *description;
Bridge *bridge;
Netdev *bridge;
Netdev *bond;
bool dhcp;
bool dhcp_dns;
bool dhcp_mtu;
@ -141,7 +150,7 @@ struct Route {
};
typedef enum LinkState {
LINK_STATE_JOINING_BRIDGE,
LINK_STATE_ENSLAVING,
LINK_STATE_SETTING_ADDRESSES,
LINK_STATE_SETTING_ROUTES,
LINK_STATE_CONFIGURED,
@ -170,6 +179,7 @@ struct Link {
unsigned addr_messages;
unsigned route_messages;
unsigned enslaving;
sd_dhcp_client *dhcp;
};
@ -183,7 +193,7 @@ struct Manager {
sd_event_source *udev_event_source;
Hashmap *links;
Hashmap *bridges;
Hashmap *netdevs;
LIST_HEAD(Network, networks);
usec_t network_dirs_ts_usec;
@ -210,18 +220,23 @@ int manager_update_resolv_conf(Manager *m);
DEFINE_TRIVIAL_CLEANUP_FUNC(Manager*, manager_free);
#define _cleanup_manager_free_ _cleanup_(manager_freep)
/* Bridge */
/* Netdev */
int bridge_load(Manager *manager);
int netdev_load(Manager *manager);
void bridge_free(Bridge *bridge);
void netdev_free(Netdev *netdev);
DEFINE_TRIVIAL_CLEANUP_FUNC(Bridge*, bridge_free);
#define _cleanup_bridge_free_ _cleanup_(bridge_freep)
DEFINE_TRIVIAL_CLEANUP_FUNC(Netdev*, netdev_free);
#define _cleanup_netdev_free_ _cleanup_(netdev_freep)
int bridge_get(Manager *manager, const char *name, Bridge **ret);
int bridge_set_link(Manager *m, Link *link);
int bridge_join(Bridge *bridge, Link *link, sd_rtnl_message_handler_t cb);
int netdev_get(Manager *manager, const char *name, Netdev **ret);
int netdev_set_link(Manager *m, NetdevKind kind, Link *link);
int netdev_enslave(Netdev *netdev, Link *link, sd_rtnl_message_handler_t cb);
const char *netdev_kind_to_string(NetdevKind d) _const_;
NetdevKind netdev_kind_from_string(const char *d) _pure_;
int config_parse_netdev_kind(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 */
@ -239,6 +254,10 @@ int config_parse_bridge(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_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);
/* gperf */
const struct ConfigPerfItem* network_gperf_lookup(const char *key, unsigned length);
@ -307,16 +326,16 @@ DEFINE_TRIVIAL_CLEANUP_FUNC(Link*, link_free);
/* More macros which append INTERFACE= to the message */
#define log_full_bridge(level, bridge, fmt, ...) log_meta_object(level, __FILE__, __LINE__, __func__, "INTERFACE=", bridge->name, "%s: " fmt, bridge->name, ##__VA_ARGS__)
#define log_debug_bridge(bridge, ...) log_full_bridge(LOG_DEBUG, bridge, ##__VA_ARGS__)
#define log_info_bridge(bridge, ...) log_full_bridge(LOG_INFO, bridge, ##__VA_ARGS__)
#define log_notice_bridge(bridge, ...) log_full_bridge(LOG_NOTICE, bridge, ##__VA_ARGS__)
#define log_warning_bridge(bridge, ...) log_full_bridge(LOG_WARNING, bridge,## __VA_ARGS__)
#define log_error_bridge(bridge, ...) log_full_bridge(LOG_ERR, bridge, ##__VA_ARGS__)
#define log_full_netdev(level, netdev, fmt, ...) log_meta_object(level, __FILE__, __LINE__, __func__, "INTERFACE=", netdev->name, "%s: " fmt, netdev->name, ##__VA_ARGS__)
#define log_debug_netdev(netdev, ...) log_full_netdev(LOG_DEBUG, netdev, ##__VA_ARGS__)
#define log_info_netdev(netdev, ...) log_full_netdev(LOG_INFO, netdev, ##__VA_ARGS__)
#define log_notice_netdev(netdev, ...) log_full_netdev(LOG_NOTICE, netdev, ##__VA_ARGS__)
#define log_warning_netdev(netdev, ...) log_full_netdev(LOG_WARNING, netdev,## __VA_ARGS__)
#define log_error_netdev(netdev, ...) log_full_netdev(LOG_ERR, netdev, ##__VA_ARGS__)
#define log_struct_bridge(level, bridge, ...) log_struct(level, "INTERFACE=%s", bridge->name, __VA_ARGS__)
#define log_struct_netdev(level, netdev, ...) log_struct(level, "INTERFACE=%s", netdev->name, __VA_ARGS__)
#define BRIDGE(bridge) "INTERFACE=%s", bridge->name
#define NETDEV(netdev) "INTERFACE=%s", netdev->name
#define ADDRESS_FMT_VAL(address) \
(address).s_addr & 0xFF, \
((address).s_addr >> 8) & 0xFF, \