***/
#include "networkd.h"
-#include "net-util.h"
+#include "network-internal.h"
#include "path-util.h"
#include "conf-files.h"
#include "conf-parser.h"
#define VLANID_MAX 4094
-static const char* const netdev_kind_table[] = {
+static const char* const netdev_kind_table[_NETDEV_KIND_MAX] = {
[NETDEV_KIND_BRIDGE] = "bridge",
[NETDEV_KIND_BOND] = "bond",
[NETDEV_KIND_VLAN] = "vlan",
DEFINE_STRING_TABLE_LOOKUP(netdev_kind, NetDevKind);
DEFINE_CONFIG_PARSE_ENUM(config_parse_netdev_kind, netdev_kind, NetDevKind, "Failed to parse netdev kind");
-static const char* const macvlan_mode_table[] = {
+static const char* const macvlan_mode_table[_NETDEV_MACVLAN_MODE_MAX] = {
[NETDEV_MACVLAN_MODE_PRIVATE] = "private",
[NETDEV_MACVLAN_MODE_VEPA] = "vepa",
[NETDEV_MACVLAN_MODE_BRIDGE] = "bridge",
free(netdev->description);
free(netdev->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);
+
free(netdev);
}
assert(netdev);
assert(netdev->name);
+ if (netdev->state != NETDEV_STATE_CREATING)
+ return 0;
+
netdev->state = NETDEV_STATE_READY;
log_info_netdev(netdev, "netdev ready");
return 0;
}
+static int netdev_getlink_handler(sd_rtnl *rtnl, sd_rtnl_message *m,
+ void *userdata) {
+ NetDev *netdev = userdata;
+ int r;
+
+ assert(netdev);
+
+ if (netdev->state == NETDEV_STATE_FAILED)
+ return 1;
+
+ r = sd_rtnl_message_get_errno(m);
+ if (r < 0) {
+ log_struct_netdev(LOG_ERR, netdev,
+ "MESSAGE=%s: could not get link: %s",
+ netdev->name, strerror(-r),
+ "ERRNO=%d", -r,
+ NULL);
+ return 1;
+ }
+
+ netdev_set_ifindex(netdev, m);
+
+ return 1;
+}
+
+static int netdev_getlink(NetDev *netdev) {
+ _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL;
+ int r;
+
+ assert(netdev->manager);
+ assert(netdev->manager->rtnl);
+ assert(netdev->name);
+
+ log_debug_netdev(netdev, "requesting netdev status");
+
+ r = sd_rtnl_message_new_link(netdev->manager->rtnl, &req,
+ RTM_GETLINK, 0);
+ if (r < 0) {
+ log_error_netdev(netdev, "Could not allocate RTM_GETLINK message");
+ return r;
+ }
+
+ r = sd_rtnl_message_append_string(req, IFLA_IFNAME, netdev->name);
+ if (r < 0) {
+ log_error_netdev(netdev, "Colud not append ifname to message: %s",
+ strerror(-r));
+ return r;
+ }
+
+ r = sd_rtnl_call_async(netdev->manager->rtnl, req, netdev_getlink_handler,
+ netdev, 0, NULL);
+ if (r < 0) {
+ log_error_netdev(netdev,
+ "Could not send rtnetlink message: %s", strerror(-r));
+ return r;
+ }
+
+ return 0;
+}
+
static int netdev_create_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
NetDev *netdev = userdata;
int r;
assert(netdev->state != _NETDEV_STATE_INVALID);
r = sd_rtnl_message_get_errno(m);
+ if (r == -EEXIST)
+ r = netdev_getlink(netdev);
+
if (r < 0) {
log_warning_netdev(netdev, "netdev failed: %s", strerror(-r));
netdev_enter_failed(netdev);
return -EINVAL;
}
- r = sd_rtnl_message_append_string(req, IFLA_INFO_KIND, kind);
+ r = sd_rtnl_message_open_container_union(req, IFLA_INFO_DATA, kind);
if (r < 0) {
log_error_netdev(netdev,
- "Could not append IFLA_INFO_KIND attribute: %s",
- strerror(-r));
+ "Could not open IFLA_INFO_DATA container: %s",
+ strerror(-r));
return r;
}
- if (netdev->vlanid <= VLANID_MAX || netdev->macvlan_mode != _NETDEV_MACVLAN_MODE_INVALID) {
- r = sd_rtnl_message_open_container(req, IFLA_INFO_DATA);
+ if (netdev->vlanid <= VLANID_MAX) {
+ r = sd_rtnl_message_append_u16(req, IFLA_VLAN_ID, netdev->vlanid);
if (r < 0) {
log_error_netdev(netdev,
- "Could not open IFLA_INFO_DATA container: %s",
+ "Could not append IFLA_VLAN_ID attribute: %s",
strerror(-r));
return r;
}
+ }
- if (netdev->vlanid <= VLANID_MAX) {
- 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;
- }
- }
-
- if (netdev->macvlan_mode != _NETDEV_MACVLAN_MODE_INVALID) {
- r = sd_rtnl_message_append_u32(req, IFLA_MACVLAN_MODE, netdev->macvlan_mode);
- if (r < 0) {
- log_error_netdev(netdev,
- "Could not append IFLA_MACVLAN_MODE 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));
+ if (netdev->macvlan_mode != _NETDEV_MACVLAN_MODE_INVALID) {
+ r = sd_rtnl_message_append_u32(req, IFLA_MACVLAN_MODE, netdev->macvlan_mode);
+ if (r < 0) {
+ log_error_netdev(netdev,
+ "Could not append IFLA_MACVLAN_MODE 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,
return 0;
}
-int netdev_set_ifindex(NetDev *netdev, int ifindex) {
+int netdev_set_ifindex(NetDev *netdev, sd_rtnl_message *message) {
+ uint16_t type;
+ const char *kind;
+ char *received_kind;
+ int r, ifindex;
+
assert(netdev);
- assert(ifindex > 0);
+ assert(message);
- if (netdev->ifindex > 0) {
- if (netdev->ifindex == ifindex)
- return 0;
- else
- return -EEXIST;
+ r = sd_rtnl_message_get_type(message, &type);
+ if (r < 0) {
+ log_error_netdev(netdev, "Could not get rtnl message type");
+ return r;
+ }
+
+ if (type != RTM_NEWLINK) {
+ log_error_netdev(netdev, "Can not set ifindex from unexpected rtnl message type");
+ return -EINVAL;
+ }
+
+ r = sd_rtnl_message_enter_container(message, IFLA_LINKINFO);
+ if (r < 0) {
+ log_error_netdev(netdev, "Could not get LINKINFO");
+ return r;
+ }
+
+ r = sd_rtnl_message_read_string(message, IFLA_INFO_KIND, &received_kind);
+ if (r < 0) {
+ log_error_netdev(netdev, "Could not get KIND");
+ return r;
+ }
+
+ kind = netdev_kind_to_string(netdev->kind);
+ if (!kind) {
+ log_error_netdev(netdev, "Could not get kind");
+ netdev_enter_failed(netdev);
+ return -EINVAL;
+ }
+
+ if (!streq(kind, received_kind)) {
+ log_error_netdev(netdev, "Received newlink with wrong KIND");
+ netdev_enter_failed(netdev);
+ return r;
+ }
+
+ r = sd_rtnl_message_link_get_ifindex(message, &ifindex);
+ if (r < 0) {
+ log_error_netdev(netdev, "Could not get ifindex: %s", strerror(-r));
+ netdev_enter_failed(netdev);
+ return r;
+ } else if (ifindex <= 0) {
+ log_error_netdev(netdev, "Got invalid ifindex: %d", ifindex);
+ netdev_enter_failed(netdev);
+ return r;
+ }
+
+ if (netdev->ifindex > 0 && netdev->ifindex != ifindex) {
+ log_error_netdev(netdev, "Could not set ifindex to %d, already set to %d",
+ ifindex, netdev->ifindex);
+ netdev_enter_failed(netdev);
+ return -EEXIST;
}
netdev->ifindex = ifindex;
if (errno == ENOENT)
return 0;
else
- return errno;
+ return -errno;
}
netdev = new0(NetDev, 1);