static void _rmnet_netlink_unassociate_network_device
(struct rmnet_nl_msg_s *rmnet_header,
struct rmnet_nl_msg_s *resp_rmnet)
{
struct net_device *dev;
_RMNET_NETLINK_NULL_CHECKS();
resp_rmnet->crd = RMNET_NETLINK_MSG_RETURNCODE;
dev = dev_get_by_name(&init_net, rmnet_header->data);
if (!dev) {
resp_rmnet->return_code = RMNET_CONFIG_NO_SUCH_DEVICE;
return;
}
resp_rmnet->return_code = rmnet_unassociate_network_device(dev);
}
/**
* rmnet_force_unassociate_device() - Force a device to unassociate
* @dev: Device to unassociate
*
* Return:
* - void
*/
static void rmnet_force_unassociate_device(struct net_device *dev)
{
int i, j;
struct net_device *vndev;
struct rmnet_logical_ep_conf_s *cfg;
struct rmnet_free_vnd_work *vnd_work;
ASSERT_RTNL();
if (!dev)
BUG();
if (!_rmnet_is_physical_endpoint_associated(dev)) {
LOGM("%s", "Called on unassociated device, skipping");
return;
}
trace_rmnet_unregister_cb_clear_vnds(dev);
vnd_work = (struct rmnet_free_vnd_work *)
kmalloc(sizeof(struct rmnet_free_vnd_work), GFP_KERNEL);
if (!vnd_work) {
LOGH("%s", "Out of Memory");
return;
}
INIT_WORK(&vnd_work->work, _rmnet_free_vnd_later);
vnd_work->count = 0;
/* Check the VNDs for offending mappings */
for (i = 0, j = 0; i < RMNET_DATA_MAX_VND &&
j < RMNET_DATA_MAX_VND; i++) {
vndev = rmnet_vnd_get_by_id(i);
if (!vndev) {
LOGL("VND %d not in use; skipping", i);
continue;
}
cfg = rmnet_vnd_get_le_config(vndev);
if (!cfg) {
LOGH("Got NULL config from VND %d", i);
BUG();
continue;
}
if (cfg->refcount && (cfg->egress_dev == dev)) {
rmnet_unset_logical_endpoint_config(vndev,
RMNET_LOCAL_LOGICAL_ENDPOINT);
vnd_work->vnd_id[j] = i;
j++;
}
}
if (j > 0) {
vnd_work->count = j;
schedule_work(&vnd_work->work);
} else {
kfree(vnd_work);
}
/* Clear the mappings on the phys ep */
trace_rmnet_unregister_cb_clear_lepcs(dev);
rmnet_unset_logical_endpoint_config(dev, RMNET_LOCAL_LOGICAL_ENDPOINT);
for (i = 0; i < RMNET_DATA_MAX_LOGICAL_EP; i++)
rmnet_unset_logical_endpoint_config(dev, i);
rmnet_unassociate_network_device(dev);
}
