/* callback for bridge netdev's parameter set */
static int netdev_bridge_set_handler(sd_netlink *rtnl, sd_netlink_message *m, NetDev *netdev) {
int r;
assert(netdev);
assert(m);
r = sd_netlink_message_get_errno(m);
if (r < 0) {
log_netdev_warning_errno(netdev, r, "Bridge parameters could not be set: %m");
return 1;
}
log_netdev_debug(netdev, "Bridge parameters set success");
return 1;
}
/* callback for brige netdev's parameter set */
static int netdev_bridge_set_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata) {
_cleanup_netdev_unref_ NetDev *netdev = userdata;
int r;
assert(netdev);
assert(m);
r = sd_netlink_message_get_errno(m);
if (r < 0) {
log_netdev_warning_errno(netdev, r, "Bridge parameters could not be set: %m");
return 1;
}
log_netdev_debug(netdev, "Bridge parametres set success");
return 1;
}
/* callback for geneve netdev's created without a backing Link */
static int geneve_netdev_create_handler(sd_netlink *rtnl, sd_netlink_message *m, NetDev *netdev) {
int r;
assert(netdev);
assert(netdev->state != _NETDEV_STATE_INVALID);
r = sd_netlink_message_get_errno(m);
if (r == -EEXIST)
log_netdev_info(netdev, "Geneve netdev exists, using existing without changing its parameters");
else if (r < 0) {
log_netdev_warning_errno(netdev, r, "Geneve netdev could not be created: %m");
netdev_drop(netdev);
return 1;
}
log_netdev_debug(netdev, "Geneve created");
return 1;
}
static int netdev_geneve_create(NetDev *netdev) {
_cleanup_(sd_netlink_message_unrefp) sd_netlink_message *m = NULL;
Geneve *v;
int r;
assert(netdev);
v = GENEVE(netdev);
r = sd_rtnl_message_new_link(netdev->manager->rtnl, &m, RTM_NEWLINK, 0);
if (r < 0)
return log_netdev_error_errno(netdev, r, "Could not allocate RTM_NEWLINK message: %m");
r = sd_netlink_message_append_string(m, IFLA_IFNAME, netdev->ifname);
if (r < 0)
return log_netdev_error_errno(netdev, r, "Could not append IFLA_IFNAME, attribute: %m");
if (netdev->mac) {
r = sd_netlink_message_append_ether_addr(m, IFLA_ADDRESS, netdev->mac);
if (r < 0)
return log_netdev_error_errno(netdev, r, "Could not append IFLA_ADDRESS attribute: %m");
}
if (netdev->mtu != 0) {
r = sd_netlink_message_append_u32(m, IFLA_MTU, netdev->mtu);
if (r < 0)
return log_netdev_error_errno(netdev, r, "Could not append IFLA_MTU attribute: %m");
}
r = sd_netlink_message_open_container(m, IFLA_LINKINFO);
if (r < 0)
return log_netdev_error_errno(netdev, r, "Could not append IFLA_LINKINFO attribute: %m");
r = sd_netlink_message_open_container_union(m, IFLA_INFO_DATA, netdev_kind_to_string(netdev->kind));
if (r < 0)
return log_netdev_error_errno(netdev, r, "Could not append IFLA_INFO_DATA attribute: %m");
if (v->id <= GENEVE_VID_MAX) {
r = sd_netlink_message_append_u32(m, IFLA_GENEVE_ID, v->id);
if (r < 0)
return log_netdev_error_errno(netdev, r, "Could not append IFLA_GENEVE_ID attribute: %m");
}
if (in_addr_is_null(v->remote_family, &v->remote) == 0) {
if (v->remote_family == AF_INET)
r = sd_netlink_message_append_in_addr(m, IFLA_GENEVE_REMOTE, &v->remote.in);
else
r = sd_netlink_message_append_in6_addr(m, IFLA_GENEVE_REMOTE6, &v->remote.in6);
if (r < 0)
return log_netdev_error_errno(netdev, r, "Could not append IFLA_GENEVE_REMOTE/IFLA_GENEVE_REMOTE6 attribute: %m");
}
if (v->ttl > 0) {
r = sd_netlink_message_append_u8(m, IFLA_GENEVE_TTL, v->ttl);
if (r < 0)
return log_netdev_error_errno(netdev, r, "Could not append IFLA_GENEVE_TTL attribute: %m");
}
r = sd_netlink_message_append_u8(m, IFLA_GENEVE_TOS, v->tos);
if (r < 0)
return log_netdev_error_errno(netdev, r, "Could not append IFLA_GENEVE_TOS attribute: %m");
r = sd_netlink_message_append_u8(m, IFLA_GENEVE_UDP_CSUM, v->udpcsum);
if (r < 0)
return log_netdev_error_errno(netdev, r, "Could not append IFLA_GENEVE_UDP_CSUM attribute: %m");
r = sd_netlink_message_append_u8(m, IFLA_GENEVE_UDP_ZERO_CSUM6_TX, v->udp6zerocsumtx);
if (r < 0)
return log_netdev_error_errno(netdev, r, "Could not append IFLA_GENEVE_UDP_ZERO_CSUM6_TX attribute: %m");
r = sd_netlink_message_append_u8(m, IFLA_GENEVE_UDP_ZERO_CSUM6_RX, v->udp6zerocsumrx);
if (r < 0)
return log_netdev_error_errno(netdev, r, "Could not append IFLA_GENEVE_UDP_ZERO_CSUM6_RX attribute: %m");
if (v->dest_port != DEFAULT_GENEVE_DESTINATION_PORT) {
r = sd_netlink_message_append_u16(m, IFLA_GENEVE_PORT, htobe16(v->dest_port));
if (r < 0)
return log_netdev_error_errno(netdev, r, "Could not append IFLA_GENEVE_PORT attribute: %m");
}
if (v->flow_label > 0) {
r = sd_netlink_message_append_u32(m, IFLA_GENEVE_LABEL, htobe32(v->flow_label));
if (r < 0)
return log_netdev_error_errno(netdev, r, "Could not append IFLA_GENEVE_LABEL attribute: %m");
}
r = sd_netlink_message_close_container(m);
if (r < 0)
return log_netdev_error_errno(netdev, r, "Could not append IFLA_INFO_DATA attribute: %m");
r = sd_netlink_message_close_container(m);
if (r < 0)
return log_netdev_error_errno(netdev, r, "Could not append IFLA_LINKINFO attribute: %m");
r = netlink_call_async(netdev->manager->rtnl, NULL, m, geneve_netdev_create_handler,
netdev_destroy_callback, netdev);
if (r < 0)
return log_netdev_error_errno(netdev, r, "Could not send rtnetlink message: %m");
netdev_ref(netdev);
netdev->state = NETDEV_STATE_CREATING;
log_netdev_debug(netdev, "Creating");
return r;
}
