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Diffstat (limited to 'src/network/networkd-netdev.c')
-rw-r--r--src/network/networkd-netdev.c321
1 files changed, 200 insertions, 121 deletions
diff --git a/src/network/networkd-netdev.c b/src/network/networkd-netdev.c
index 86f2250c8f..4a6f6e3475 100644
--- a/src/network/networkd-netdev.c
+++ b/src/network/networkd-netdev.c
@@ -22,15 +22,6 @@
#include <net/if.h>
#include "networkd-netdev.h"
-#include "networkd-netdev-bridge.h"
-#include "networkd-netdev-bond.h"
-#include "networkd-netdev-vlan.h"
-#include "networkd-netdev-macvlan.h"
-#include "networkd-netdev-vxlan.h"
-#include "networkd-netdev-tunnel.h"
-#include "networkd-netdev-veth.h"
-#include "networkd-netdev-dummy.h"
-#include "networkd-netdev-tuntap.h"
#include "network-internal.h"
#include "path-util.h"
#include "conf-files.h"
@@ -111,17 +102,17 @@ static void netdev_free(NetDev *netdev) {
free(netdev->description);
free(netdev->ifname);
- free(netdev->ifname_peer);
free(netdev->mac);
- free(netdev->mac_peer);
- free(netdev->user_name);
- free(netdev->group_name);
condition_free_list(netdev->match_host);
condition_free_list(netdev->match_virt);
condition_free_list(netdev->match_kernel);
condition_free_list(netdev->match_arch);
+ if (NETDEV_VTABLE(netdev) &&
+ NETDEV_VTABLE(netdev)->done)
+ NETDEV_VTABLE(netdev)->done(netdev);
+
free(netdev);
}
@@ -268,6 +259,8 @@ static int netdev_create_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userda
return 1;
}
+ log_debug_netdev(netdev, "created");
+
return 1;
}
@@ -294,46 +287,10 @@ int netdev_enslave(NetDev *netdev, Link *link, sd_rtnl_message_handler_t callbac
link_ref(link);
LIST_PREPEND(callbacks, netdev->callbacks, cb);
- }
-
- return 0;
-}
-
-/* the callback must be called, possibly after a timeout, as otherwise the Link will hang */
-int netdev_join(NetDev *netdev, Link *link, sd_rtnl_message_handler_t callback) {
- int r;
-
- assert(netdev);
- assert(netdev->manager);
- assert(netdev->manager->rtnl);
- assert(NETDEV_VTABLE(netdev));
-
- if (NETDEV_VTABLE(netdev)->fill_message_create_on_link) {
- _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL;
-
- r = sd_rtnl_message_new_link(netdev->manager->rtnl, &req,
- RTM_NEWLINK, 0);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not allocate RTM_SETLINK message: %s",
- strerror(-r));
- return r;
- }
-
- NETDEV_VTABLE(netdev)->fill_message_create_on_link(netdev, link, req);
- r = sd_rtnl_call_async(netdev->manager->rtnl, req, callback, link, 0, NULL);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not send rtnetlink message: %s", strerror(-r));
- return r;
- }
-
- link_ref(link);
- } else if (NETDEV_VTABLE(netdev)->enslave) {
- return NETDEV_VTABLE(netdev)->enslave(netdev, link, callback);
- } else
- assert_not_reached("Joining link to netdev of invalid kind");
+ log_debug_netdev(netdev, "will enslave '%s', when reday",
+ link->ifname);
+ }
return 0;
}
@@ -487,8 +444,156 @@ int netdev_get_mac(const char *ifname, struct ether_addr **ret) {
return 0;
}
+static int netdev_create(NetDev *netdev, Link *link) {
+ int r;
+
+ assert(netdev);
+
+ /* create netdev */
+ if (NETDEV_VTABLE(netdev)->create) {
+ r = NETDEV_VTABLE(netdev)->create(netdev);
+ if (r < 0)
+ return r;
+
+ log_debug_netdev(netdev, "created");
+ } else {
+ _cleanup_rtnl_message_unref_ sd_rtnl_message *m = NULL;
+
+ r = sd_rtnl_message_new_link(netdev->manager->rtnl, &m, RTM_NEWLINK, 0);
+ if (r < 0) {
+ log_error_netdev(netdev,
+ "Could not allocate RTM_NEWLINK message: %s",
+ strerror(-r));
+ return r;
+ }
+
+ r = sd_rtnl_message_append_string(m, IFLA_IFNAME, netdev->ifname);
+ if (r < 0) {
+ log_error_netdev(netdev,
+ "Could not append IFLA_IFNAME, attribute: %s",
+ strerror(-r));
+ return r;
+ }
+
+ if (netdev->mac) {
+ r = sd_rtnl_message_append_ether_addr(m, IFLA_ADDRESS, netdev->mac);
+ if (r < 0) {
+ log_error_netdev(netdev,
+ "Could not append IFLA_ADDRESS attribute: %s",
+ strerror(-r));
+ return r;
+ }
+ }
+
+ if (netdev->mtu) {
+ r = sd_rtnl_message_append_u32(m, IFLA_MTU, netdev->mtu);
+ if (r < 0) {
+ log_error_netdev(netdev,
+ "Could not append IFLA_MTU attribute: %s",
+ strerror(-r));
+ return r;
+ }
+ }
+
+ if (link) {
+ r = sd_rtnl_message_append_u32(m, IFLA_LINK, link->ifindex);
+ if (r < 0) {
+ log_error_netdev(netdev,
+ "Colud not append IFLA_LINK attribute: %s",
+ strerror(-r));
+ return r;
+ }
+ }
+
+ r = sd_rtnl_message_open_container(m, IFLA_LINKINFO);
+ if (r < 0) {
+ log_error_netdev(netdev,
+ "Could not append IFLA_LINKINFO attribute: %s",
+ strerror(-r));
+ return r;
+ }
+
+ r = sd_rtnl_message_open_container_union(m, IFLA_INFO_DATA,
+ netdev_kind_to_string(netdev->kind));
+ if (r < 0) {
+ log_error_netdev(netdev,
+ "Could not append IFLA_INFO_DATA attribute: %s",
+ strerror(-r));
+ return r;
+ }
+
+ if (NETDEV_VTABLE(netdev)->fill_message_create) {
+ r = NETDEV_VTABLE(netdev)->fill_message_create(netdev, link, m);
+ if (r < 0)
+ return r;
+ }
+
+ r = sd_rtnl_message_close_container(m);
+ if (r < 0) {
+ log_error_netdev(netdev,
+ "Could not append IFLA_LINKINFO attribute: %s",
+ strerror(-r));
+ return r;
+ }
+
+ r = sd_rtnl_message_close_container(m);
+ if (r < 0) {
+ log_error_netdev(netdev,
+ "Could not append IFLA_LINKINFO attribute: %s",
+ strerror(-r));
+ return r;
+ }
+
+
+ r = sd_rtnl_call_async(netdev->manager->rtnl, m, netdev_create_handler, netdev, 0, NULL);
+ if (r < 0) {
+ log_error_netdev(netdev,
+ "Could not send rtnetlink message: %s", strerror(-r));
+ return r;
+ }
+
+ netdev_ref(netdev);
+
+ netdev->state = NETDEV_STATE_CREATING;
+
+ log_debug_netdev(netdev, "creating");
+ }
+
+ return 0;
+}
+
+/* the callback must be called, possibly after a timeout, as otherwise the Link will hang */
+int netdev_join(NetDev *netdev, Link *link, sd_rtnl_message_handler_t callback) {
+ int r;
+
+ assert(netdev);
+ assert(netdev->manager);
+ assert(netdev->manager->rtnl);
+ assert(NETDEV_VTABLE(netdev));
+
+ switch (NETDEV_VTABLE(netdev)->create_type) {
+ case NETDEV_CREATE_MASTER:
+ r = netdev_enslave(netdev, link, callback);
+ if (r < 0)
+ return r;
+
+ break;
+ case NETDEV_CREATE_STACKED:
+ r = netdev_create(netdev, link);
+ if (r < 0)
+ return r;
+
+ break;
+ default:
+ assert_not_reached("Can not join independent netdev");
+ }
+
+ return 0;
+}
+
static int netdev_load_one(Manager *manager, const char *filename) {
_cleanup_netdev_unref_ NetDev *netdev = NULL;
+ _cleanup_free_ NetDev *netdev_raw = NULL;
_cleanup_fclose_ FILE *file = NULL;
int r;
@@ -508,69 +613,65 @@ static int netdev_load_one(Manager *manager, const char *filename) {
return 0;
}
- netdev = new0(NetDev, 1);
- if (!netdev)
+ netdev_raw = new0(NetDev, 1);
+ if (!netdev_raw)
return log_oom();
- netdev->n_ref = 1;
- netdev->manager = manager;
- netdev->state = _NETDEV_STATE_INVALID;
- netdev->kind = _NETDEV_KIND_INVALID;
- netdev->macvlan_mode = _NETDEV_MACVLAN_MODE_INVALID;
- netdev->bond_mode = _NETDEV_BOND_MODE_INVALID;
- netdev->vlanid = VLANID_MAX + 1;
- netdev->vxlanid = VXLAN_VID_MAX + 1;
- netdev->tunnel_pmtudisc = true;
- netdev->learning = true;
+ netdev_raw->kind = _NETDEV_KIND_INVALID;
r = config_parse(NULL, filename, file,
- "Match\0NetDev\0VLAN\0MACVLAN\0VXLAN\0Tunnel\0Peer\0Tun\0Tap\0Bond\0",
+ "Match\0NetDev\0",
config_item_perf_lookup, network_netdev_gperf_lookup,
- false, false, true, netdev);
+ true, false, true, netdev_raw);
if (r < 0)
return r;
+ r = fseek(file, 0, SEEK_SET);
+ if (r < 0)
+ return -errno;
+
/* skip out early if configuration does not match the environment */
if (net_match_config(NULL, NULL, NULL, NULL, NULL,
- netdev->match_host, netdev->match_virt,
- netdev->match_kernel, netdev->match_arch,
+ netdev_raw->match_host, netdev_raw->match_virt,
+ netdev_raw->match_kernel, netdev_raw->match_arch,
NULL, NULL, NULL, NULL, NULL, NULL) <= 0)
return 0;
- if (!NETDEV_VTABLE(netdev)) {
+ if (!NETDEV_VTABLE(netdev_raw)) {
log_warning("NetDev with invalid Kind configured in %s. Ignoring", filename);
return 0;
}
- /* verify configuration */
- if (NETDEV_VTABLE(netdev)->config_verify) {
- r = NETDEV_VTABLE(netdev)->config_verify(netdev, filename);
- if (r < 0)
- return 0;
- }
-
- if (!netdev->ifname) {
+ if (!netdev_raw->ifname) {
log_warning("NetDev without Name configured in %s. Ignoring", filename);
return 0;
}
- if (netdev->kind != NETDEV_KIND_VLAN && netdev->vlanid <= VLANID_MAX) {
- log_warning("VLAN Id configured for a %s in %s. Ignoring",
- netdev_kind_to_string(netdev->kind), filename);
- return 0;
- }
+ netdev = malloc0(NETDEV_VTABLE(netdev_raw)->object_size);
+ if (!netdev)
+ return log_oom();
- if (netdev->kind != NETDEV_KIND_VXLAN && netdev->vxlanid <= VXLAN_VID_MAX) {
- log_warning("VXLAN Id configured for a %s in %s. Ignoring",
- netdev_kind_to_string(netdev->kind), filename);
- return 0;
- }
+ netdev->n_ref = 1;
+ netdev->manager = manager;
+ netdev->state = _NETDEV_STATE_INVALID;
+ netdev->kind = netdev_raw->kind;
+ netdev->ifname = netdev_raw->ifname;
- if (netdev->kind != NETDEV_KIND_MACVLAN &&
- netdev->macvlan_mode != _NETDEV_MACVLAN_MODE_INVALID) {
- log_warning("MACVLAN Mode configured for a %s in %s. Ignoring",
- netdev_kind_to_string(netdev->kind), filename);
- return 0;
+ if (NETDEV_VTABLE(netdev)->init)
+ NETDEV_VTABLE(netdev)->init(netdev);
+
+ r = config_parse(NULL, filename, file,
+ NETDEV_VTABLE(netdev)->sections,
+ config_item_perf_lookup, network_netdev_gperf_lookup,
+ false, false, false, netdev);
+ if (r < 0)
+ return r;
+
+ /* verify configuration */
+ if (NETDEV_VTABLE(netdev)->config_verify) {
+ r = NETDEV_VTABLE(netdev)->config_verify(netdev, filename);
+ if (r < 0)
+ return 0;
}
netdev->filename = strdup(filename);
@@ -594,38 +695,16 @@ static int netdev_load_one(Manager *manager, const char *filename) {
log_debug_netdev(netdev, "loaded %s", netdev_kind_to_string(netdev->kind));
- /* create netdev */
- if (NETDEV_VTABLE(netdev)->fill_message_create) {
- _cleanup_rtnl_message_unref_ sd_rtnl_message *m = NULL;
-
- r = sd_rtnl_message_new_link(netdev->manager->rtnl, &m, RTM_NEWLINK, 0);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not allocate RTM_NEWLINK message: %s",
- strerror(-r));
- return r;
- }
-
- r = NETDEV_VTABLE(netdev)->fill_message_create(netdev, m);
+ switch (NETDEV_VTABLE(netdev)->create_type) {
+ case NETDEV_CREATE_MASTER:
+ case NETDEV_CREATE_INDEPENDENT:
+ r = netdev_create(netdev, NULL);
if (r < 0)
return r;
- r = sd_rtnl_call_async(netdev->manager->rtnl, m, netdev_create_handler, netdev, 0, NULL);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not send rtnetlink message: %s", strerror(-r));
- return r;
- }
-
- netdev_ref(netdev);
-
- log_debug_netdev(netdev, "creating");
-
- netdev->state = NETDEV_STATE_CREATING;
- } else if (NETDEV_VTABLE(netdev)->create) {
- r = NETDEV_VTABLE(netdev)->create(netdev);
- if (r < 0)
- return r;
+ break;
+ default:
+ break;
}
netdev = NULL;
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-07-06 05:24:51 +0000