static int raw_release(struct socket *sock)
{
struct sock *sk = sock->sk;
struct raw_sock *ro = raw_sk(sk);
unregister_netdevice_notifier(&ro->notifier);
lock_sock(sk);
/* remove current filters & unregister */
if (ro->bound) {
if (ro->ifindex) {
struct net_device *dev;
dev = dev_get_by_index(&init_net, ro->ifindex);
if (dev) {
raw_disable_allfilters(dev, sk);
dev_put(dev);
}
} else
raw_disable_allfilters(NULL, sk);
}
if (ro->count > 1)
kfree(ro->filter);
ro->ifindex = 0;
ro->bound = 0;
ro->count = 0;
release_sock(sk);
sock_put(sk);
return 0;
}
static int __init br_init(void)
{
int err;
err = stp_proto_register(&br_stp_proto);
if (err < 0) {
pr_err("bridge: can't register sap for STP\n");
return err;
}
err = br_fdb_init();
if (err)
goto err_out;
err = register_pernet_subsys(&br_net_ops);
if (err)
goto err_out1;
err = br_nf_core_init();
if (err)
goto err_out2;
err = register_netdevice_notifier(&br_device_notifier);
if (err)
goto err_out3;
err = register_netdev_switch_notifier(&br_netdev_switch_notifier);
if (err)
goto err_out4;
err = br_netlink_init();
if (err)
goto err_out5;
brioctl_set(br_ioctl_deviceless_stub);
#if IS_ENABLED(CONFIG_ATM_LANE)
br_fdb_test_addr_hook = br_fdb_test_addr;
#endif
pr_info("bridge: automatic filtering via arp/ip/ip6tables has been "
"deprecated. Update your scripts to load br_netfilter if you "
"need this.\n");
return 0;
err_out5:
unregister_netdev_switch_notifier(&br_netdev_switch_notifier);
err_out4:
unregister_netdevice_notifier(&br_device_notifier);
err_out3:
br_nf_core_fini();
err_out2:
unregister_pernet_subsys(&br_net_ops);
err_out1:
br_fdb_fini();
err_out:
stp_proto_unregister(&br_stp_proto);
return err;
}
static int __init vrf_init_module(void)
{
int rc;
vrf_dst_ops.kmem_cachep =
kmem_cache_create("vrf_ip_dst_cache",
sizeof(struct rtable), 0,
SLAB_HWCACHE_ALIGN,
NULL);
if (!vrf_dst_ops.kmem_cachep)
return -ENOMEM;
rc = init_dst_ops6_kmem_cachep();
if (rc != 0)
goto error2;
register_netdevice_notifier(&vrf_notifier_block);
rc = rtnl_link_register(&vrf_link_ops);
if (rc < 0)
goto error;
return 0;
error:
unregister_netdevice_notifier(&vrf_notifier_block);
free_dst_ops6_kmem_cachep();
error2:
kmem_cache_destroy(vrf_dst_ops.kmem_cachep);
return rc;
}
void ssh_interceptor_iface_uninit(SshInterceptor interceptor)
{
/* Clear interface table and release net_device references. */
ssh_interceptor_clear_ifaces(interceptor);
if (interceptor->nf->iface_notifiers_installed == FALSE)
return;
SSH_ASSERT(in_softirq());
local_bh_enable();
SSH_ASSERT(!in_softirq());
/* Unregister notifier callback */
unregister_netdevice_notifier(&interceptor->nf->notifier_netdev);
unregister_inetaddr_notifier(&interceptor->nf->notifier_inetaddr);
#ifdef SSH_LINUX_INTERCEPTOR_IPV6
unregister_inet6addr_notifier(&interceptor->nf->notifier_inet6addr);
#endif /* SSH_LINUX_INTERCEPTOR_IPV6 */
local_bh_disable();
/* Due to lack of proper locking in linux kernel notifier code,
the unregister_*_notifier functions might leave the notifier
blocks out of sync, resulting in that the kernel may call an
unregistered notifier function.
Sleep for a while to decrease the possibility of the bug causing
trouble (crash during module unloading). */
mdelay(500);
interceptor->nf->iface_notifiers_installed = FALSE;
}
static void packet_close(struct sock *sk, unsigned long timeout)
{
/*
* Stop more data and kill the socket off.
*/
lock_sock(sk);
sk->state = TCP_CLOSE;
/*
* Unhook the notifier
*/
unregister_netdevice_notifier(&sk->protinfo.af_packet.notifier);
if(sk->protinfo.af_packet.prot_hook)
{
/*
* Remove the protocol hook
*/
dev_remove_pack((struct packet_type *)sk->protinfo.af_packet.prot_hook);
/*
* Dispose of litter carefully.
*/
kfree_s((void *)sk->protinfo.af_packet.prot_hook, sizeof(struct packet_type));
sk->protinfo.af_packet.prot_hook = NULL;
}
release_sock(sk);
destroy_sock(sk);
}
static void mlx4_en_remove(struct mlx4_dev *dev, void *endev_ptr)
{
struct mlx4_en_dev *mdev = endev_ptr;
int i;
mutex_lock(&mdev->state_lock);
mdev->device_up = false;
mutex_unlock(&mdev->state_lock);
mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_ETH)
if (mdev->pndev[i])
mlx4_en_destroy_netdev(mdev->pndev[i]);
if (mdev->dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_TS)
mlx4_en_remove_timestamp(mdev);
flush_workqueue(mdev->workqueue);
destroy_workqueue(mdev->workqueue);
(void) mlx4_mr_free(dev, &mdev->mr);
iounmap(mdev->uar_map);
mlx4_uar_free(dev, &mdev->priv_uar);
mlx4_pd_free(dev, mdev->priv_pdn);
if (mdev->nb.notifier_call)
unregister_netdevice_notifier(&mdev->nb);
kfree(mdev);
}
static void __exit vrf_cleanup_module(void)
{
rtnl_link_unregister(&vrf_link_ops);
unregister_netdevice_notifier(&vrf_notifier_block);
kmem_cache_destroy(vrf_dst_ops.kmem_cachep);
free_dst_ops6_kmem_cachep();
}
static void macvtap_exit(void)
{
rtnl_link_unregister(&macvtap_link_ops);
unregister_netdevice_notifier(&macvtap_notifier_block);
class_unregister(&macvtap_class);
tap_destroy_cdev(macvtap_major, &macvtap_cdev);
}
static int __init vlan_proto_init(void)
{
int err;
pr_info("%s v%s %s\n", vlan_fullname, vlan_version, vlan_copyright);
err = register_pernet_subsys(&vlan_net_ops);
if (err < 0)
goto err0;
err = register_netdevice_notifier(&vlan_notifier_block);
if (err < 0)
goto err2;
err = vlan_gvrp_init();
if (err < 0)
goto err3;
return 0;
err3:
unregister_netdevice_notifier(&vlan_notifier_block);
err2:
unregister_pernet_subsys(&vlan_net_ops);
err0:
return err;
}
static void netdev_trig_deactivate(struct led_classdev *led_cdev)
{
struct led_netdev_data *trigger_data = led_cdev->trigger_data;
if (trigger_data) {
unregister_netdevice_notifier(&trigger_data->notifier);
device_remove_file(led_cdev->dev, &dev_attr_device_name);
device_remove_file(led_cdev->dev, &dev_attr_mode);
device_remove_file(led_cdev->dev, &dev_attr_interval);
write_lock(&trigger_data->lock);
if (trigger_data->net_dev) {
dev_put(trigger_data->net_dev);
trigger_data->net_dev = NULL;
}
write_unlock(&trigger_data->lock);
del_timer_sync(&trigger_data->timer);
kfree(trigger_data);
}
}
static int macvtap_init(void)
{
int err;
err = tap_create_cdev(&macvtap_cdev, &macvtap_major, "macvtap");
if (err)
goto out1;
err = class_register(&macvtap_class);
if (err)
goto out2;
err = register_netdevice_notifier(&macvtap_notifier_block);
if (err)
goto out3;
err = macvlan_link_register(&macvtap_link_ops);
if (err)
goto out4;
return 0;
out4:
unregister_netdevice_notifier(&macvtap_notifier_block);
out3:
class_unregister(&macvtap_class);
out2:
tap_destroy_cdev(macvtap_major, &macvtap_cdev);
out1:
return err;
}
static int __init vlan_proto_init(void)
{
int err;
pr_info("%s v%s\n", vlan_fullname, vlan_version);
err = register_pernet_subsys(&vlan_net_ops);
if (err < 0)
goto err0;
err = register_netdevice_notifier(&vlan_notifier_block);
if (err < 0)
goto err2;
err = vlan_gvrp_init();
if (err < 0)
goto err3;
err = vlan_netlink_init();
if (err < 0)
goto err4;
vlan_ioctl_set(vlan_ioctl_handler);
return 0;
err4:
vlan_gvrp_uninit();
err3:
unregister_netdevice_notifier(&vlan_notifier_block);
err2:
unregister_pernet_subsys(&vlan_net_ops);
err0:
return err;
}
/*
* Module 'remove' entry point.
* o delete /proc/net/router directory and static entries.
*/
static void __exit vlan_cleanup_module(void)
{
int i;
/* This table must be empty if there are no module
* references left.
*/
for (i = 0; i < VLAN_GRP_HASH_SIZE; i++) {
if (vlan_group_hash[i] != NULL)
BUG();
}
/* Un-register us from receiving netdevice events */
unregister_netdevice_notifier(&vlan_notifier_block);
#ifdef CONFIG_VLAN_8021Q_FAST
vlan_rx_hook = NULL;
vlan_tx_hook = NULL;
#else
dev_remove_pack(&vlan_packet_type);
#endif
vlan_proc_cleanup();
vlan_ioctl_hook = NULL;
}
static int __init br_netfilter_init(void)
{
int ret;
ret = register_pernet_subsys(&brnf_net_ops);
if (ret < 0)
return ret;
ret = register_netdevice_notifier(&brnf_notifier);
if (ret < 0) {
unregister_pernet_subsys(&brnf_net_ops);
return ret;
}
#ifdef CONFIG_SYSCTL
brnf_sysctl_header = register_net_sysctl(&init_net, "net/bridge", brnf_table);
if (brnf_sysctl_header == NULL) {
printk(KERN_WARNING
"br_netfilter: can't register to sysctl.\n");
unregister_netdevice_notifier(&brnf_notifier);
unregister_pernet_subsys(&brnf_net_ops);
return -ENOMEM;
}
#endif
RCU_INIT_POINTER(nf_br_ops, &br_ops);
printk(KERN_NOTICE "Bridge firewalling registered\n");
return 0;
}
/* void */
int
ipsec_cleanup(void)
{
int error = 0;
#ifdef CONFIG_SYSCTL
ipsec_sysctl_unregister();
#endif
KLIPS_PRINT(debug_netlink, /* debug_tunnel & DB_TN_INIT, */
"klips_debug:ipsec_cleanup: "
"calling ipsec_tunnel_cleanup_devices.\n");
error |= ipsec_tunnel_cleanup_devices();
KLIPS_PRINT(debug_netlink, "called ipsec_tunnel_cleanup_devices");
/* we never actually link IPCOMP to the stack */
#ifdef IPCOMP_USED_ALONE
#ifdef CONFIG_IPSEC_IPCOMP
if (openswan_inet_del_protocol(&comp_protocol, IPPROTO_COMP) < 0)
printk(KERN_INFO "klips_debug:ipsec_cleanup: "
"comp close: can't remove protocol\n");
#endif /* CONFIG_IPSEC_IPCOMP */
#endif /* IPCOMP_USED_ALONE */
#ifdef CONFIG_IPSEC_AH
if (openswan_inet_del_protocol(&ah_protocol, IPPROTO_AH) < 0)
printk(KERN_INFO "klips_debug:ipsec_cleanup: "
"ah close: can't remove protocol\n");
#endif /* CONFIG_IPSEC_AH */
#ifdef CONFIG_IPSEC_ESP
if (openswan_inet_del_protocol(&esp_protocol, IPPROTO_ESP) < 0)
printk(KERN_INFO "klips_debug:ipsec_cleanup: "
"esp close: can't remove protocol\n");
#endif /* CONFIG_IPSEC_ESP */
error |= unregister_netdevice_notifier(&ipsec_dev_notifier);
KLIPS_PRINT(debug_netlink, /* debug_tunnel & DB_TN_INIT, */
"klips_debug:ipsec_cleanup: "
"calling ipsec_sadb_cleanup.\n");
error |= ipsec_sadb_cleanup(0);
error |= ipsec_sadb_free();
KLIPS_PRINT(debug_netlink, /* debug_tunnel & DB_TN_INIT, */
"klips_debug:ipsec_cleanup: "
"calling ipsec_radijcleanup.\n");
error |= ipsec_radijcleanup();
KLIPS_PRINT(debug_pfkey, /* debug_tunnel & DB_TN_INIT, */
"klips_debug:ipsec_cleanup: "
"calling pfkey_cleanup.\n");
error |= pfkey_cleanup();
ipsec_proc_cleanup();
prng_final(&ipsec_prng);
return error;
}
static void __exit asfctrl_exit(void)
{
int ii;
ASFCTRL_FUNC_ENTRY;
if (g_cap.mode & fwMode)
asfctrl_linux_unregister_ffp();
asfctrl_sysfs_exit();
/* Unregister the hook*/
route_hook_fn_register(NULL);
#ifdef ASF_IPV6_FP_SUPPORT
ipv6_route_hook_fn_register(NULL);
#endif
//devfp_register_hook(NULL, NULL);
devfp_deregister_rx_hook_veth();
devfp_deregister_tx_hook_veth();
unregister_netdevice_notifier(&asfctrl_dev_notifier);
asfctrl_netns_vsg_deinit();
for (ii = 0; ii < ASFCTRL_MAX_IFACES; ii++) {
if (p_asfctrl_netdev_cii[ii])
asfctrl_delete_dev_map(p_asfctrl_netdev_cii[ii]);
}
ASFRemove();
ASFCTRL_INFO("ASF Control Module - Core Unloaded \n");
ASFCTRL_FUNC_EXIT;
}
void
nm_os_ifnet_fini(void)
{
if (nm_os_ifnet_registered) {
unregister_netdevice_notifier(&linux_netmap_netdev_notifier);
nm_os_ifnet_registered = 0;
}
}
static void __exit ztdeth_exit(void)
{
dahdi_dynamic_unregister_driver(&ztd_eth);
unregister_netdevice_notifier(&ztdeth_nblock);
dev_remove_pack(&ztdeth_ptype);
skb_queue_purge(&skbs);
}
/**
* rmnet_config_exit() - Cleans up all netlink related resources
*/
void rmnet_config_exit(void)
{
int rc;
netlink_kernel_release(nl_socket_handle);
rc = unregister_netdevice_notifier(&rmnet_dev_notifier);
if (rc != 0)
LOGE("Failed to unregister device notifier; rc=%d", rc);
}
static void __exit send_garp_exit(void)
{
unregister_netdevice_notifier(&nb_dev);
if (debug == 1)
printk(KERN_INFO "send_garp module unloaded\n");
}
static void __exit br_netfilter_fini(void)
{
RCU_INIT_POINTER(nf_br_ops, NULL);
unregister_netdevice_notifier(&brnf_notifier);
unregister_pernet_subsys(&brnf_net_ops);
#ifdef CONFIG_SYSCTL
unregister_net_sysctl_table(brnf_sysctl_header);
#endif
}
/**
* tipc_ib_media_stop - deactivate InfiniBand bearer support
*/
void tipc_ib_media_stop(void)
{
if (!ib_started)
return;
flush_scheduled_work();
unregister_netdevice_notifier(¬ifier);
ib_started = 0;
}
static void __exit vti_fini(void)
{
rtnl_link_unregister(&vti_link_ops);
xfrm4_protocol_deregister(&vti_ipcomp4_protocol, IPPROTO_COMP);
xfrm4_protocol_deregister(&vti_ah4_protocol, IPPROTO_AH);
xfrm4_protocol_deregister(&vti_esp4_protocol, IPPROTO_ESP);
unregister_pernet_device(&vti_net_ops);
unregister_netdevice_notifier(&vti_notifier_block);
}
static void nfp_flower_stop(struct nfp_app *app)
{
struct nfp_flower_priv *app_priv = app->priv;
if (app_priv->flower_ext_feats & NFP_FL_FEATS_LAG)
unregister_netdevice_notifier(&app_priv->nfp_lag.lag_nb);
nfp_tunnel_config_stop(app);
}
static void __exit br_deinit(void)
{
unregister_netdevice_notifier(&br_device_notifier);
br_call_ioctl_atomic(__br_clear_ioctl_hook);
net_call_rx_atomic(__br_clear_frame_hook);
#if defined(CONFIG_ATM_LANE) || defined(CONFIG_ATM_LANE_MODULE)
br_fdb_get_hook = NULL;
br_fdb_put_hook = NULL;
#endif
}
void __exit vlan_proto_exit(void)
{
unregister_netdevice_notifier(&vlan_notifier_block);
unregister_pernet_subsys(&vlan_net_ops);
rcu_barrier(); /* Wait for completion of call_rcu()'s */
vlan_gvrp_uninit();
}
void cleanup_module(void)
{
extern struct atm_mpoa_ops atm_mpoa_ops;
struct mpoa_client *mpc, *tmp;
struct atm_mpoa_qos *qos, *nextqos;
struct lec_priv *priv;
if (MOD_IN_USE) {
printk("mpc.c: module in use\n");
return;
}
#ifdef CONFIG_PROC_FS
mpc_proc_clean();
#endif
del_timer(&mpc_timer);
unregister_netdevice_notifier(&mpoa_notifier);
atm_mpoa_ops.mpoad_attach = NULL;
atm_mpoa_ops.vcc_attach = NULL;
mpc = mpcs;
mpcs = NULL;
while (mpc != NULL) {
tmp = mpc->next;
if (mpc->dev != NULL) {
stop_mpc(mpc);
priv = (struct lec_priv *)mpc->dev->priv;
if (priv->lane2_ops != NULL)
priv->lane2_ops->associate_indicator = NULL;
}
ddprintk("mpoa: cleanup_module: about to clear caches\n");
mpc->in_ops->destroy_cache(mpc);
mpc->eg_ops->destroy_cache(mpc);
ddprintk("mpoa: cleanup_module: caches cleared\n");
kfree(mpc->mps_macs);
memset(mpc, 0, sizeof(struct mpoa_client));
ddprintk("mpoa: cleanup_module: about to kfree %p\n", mpc);
kfree(mpc);
ddprintk("mpoa: cleanup_module: next mpc is at %p\n", tmp);
mpc = tmp;
}
qos = qos_head;
qos_head = NULL;
while (qos != NULL) {
nextqos = qos->next;
dprintk("mpoa: cleanup_module: freeing qos entry %p\n", qos);
kfree(qos);
qos = nextqos;
}
return;
}
static void __exit vlan_cleanup_module(void)
{
vlan_ioctl_set(NULL);
vlan_netlink_fini();
unregister_netdevice_notifier(&vlan_notifier_block);
unregister_pernet_subsys(&vlan_net_ops);
rcu_barrier(); /* Wait for completion of call_rcu()'s */
vlan_gvrp_uninit();
}
static int __init br_init(void)
{
int err;
err = stp_proto_register(&br_stp_proto);
if (err < 0) {
printk(KERN_ERR "bridge: can't register sap for STP\n");
return err;
}
err = br_fdb_init();
if (err)
goto err_out;
err = register_pernet_subsys(&br_net_ops);
if (err)
goto err_out1;
err = br_netfilter_init();
if (err)
goto err_out2;
err = register_netdevice_notifier(&br_device_notifier);
if (err)
goto err_out3;
err = br_netlink_init();
if (err)
goto err_out4;
get_ve0()->features |= VE_FEATURE_BRIDGE;
brioctl_set(br_ioctl_deviceless_stub);
br_handle_frame_hook = br_handle_frame;
br_hard_xmit_hook = br_xmit;
#if defined(CONFIG_ATM_LANE) || defined(CONFIG_ATM_LANE_MODULE)
br_fdb_test_addr_hook = br_fdb_test_addr;
#endif
return 0;
err_out4:
unregister_netdevice_notifier(&br_device_notifier);
err_out3:
br_netfilter_fini();
err_out2:
unregister_pernet_subsys(&br_net_ops);
err_out1:
br_fdb_fini();
err_out:
stp_proto_unregister(&br_stp_proto);
return err;
}
static int __init br_init(void)
{
int err;
err = stp_proto_register(&br_stp_proto);
if (err < 0) {
pr_err("bridge: can't register sap for STP\n");
return err;
}
err = br_fdb_init();
if (err)
goto err_out;
err = register_pernet_subsys(&br_net_ops);
if (err)
goto err_out1;
err = br_netfilter_init();
if (err)
goto err_out2;
err = register_netdevice_notifier(&br_device_notifier);
if (err)
goto err_out3;
err = br_netlink_init();
if (err)
goto err_out4;
brioctl_set(br_ioctl_deviceless_stub);
#if defined(CONFIG_NETFILTER_XT_MATCH_PHYSDEV) || defined(CONFIG_NETFILTER_XT_MATCH_PHYSDEV_MODULE)
br_fdb_get_port_hook = br_fdb_get_port;
#endif
#if IS_ENABLED(CONFIG_ATM_LANE)
br_fdb_test_addr_hook = br_fdb_test_addr;
#endif
return 0;
err_out4:
unregister_netdevice_notifier(&br_device_notifier);
err_out3:
br_netfilter_fini();
err_out2:
unregister_pernet_subsys(&br_net_ops);
err_out1:
br_fdb_fini();
err_out:
stp_proto_unregister(&br_stp_proto);
return err;
}