net: pass info struct via netdevice notifier

So far, only net_device * could be passed along with netdevice notifier
event. This patch provides a possibility to pass custom structure
able to provide info that event listener needs to know.

Signed-off-by: Jiri Pirko <jiri@resnulli.us>

v2->v3: fix typo on simeth
	shortened dev_getter
	shortened notifier_info struct name
v1->v2: fix notifier_call parameter in call_netdevice_notifier()
Signed-off-by: David S. Miller <davem@davemloft.net>

25 files changed, 31 insertions, 31 deletions

diff --git a/drivers/infiniband/core/cma.c b/drivers/infiniband/core/cma.c
index 71c2c7116802..34fbc2f60a09 100644
--- a/drivers/infiniband/core/cma.c
+++ b/drivers/infiniband/core/cma.c
@@ -3269,9 +3269,9 @@ static int cma_netdev_change(struct net_device *ndev, struct rdma_id_private *id
 }
 
 static int cma_netdev_callback(struct notifier_block *self, unsigned long event,
-                               void *ctx)
+                               void *ptr)
 {
-        struct net_device *ndev = (struct net_device *)ctx;
+        struct net_device *ndev = netdev_notifier_info_to_dev(ptr);
         struct cma_device *cma_dev;
         struct rdma_id_private *id_priv;
         int ret = NOTIFY_DONE;
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index 23d734349d8e..a188d3178559 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -1161,7 +1161,7 @@ static void netdev_removed(struct mlx4_ib_dev *dev, int port)
 static int mlx4_ib_netdev_event(struct notifier_block *this, unsigned long event,
                                 void *ptr)
 {
-        struct net_device *dev = ptr;
+        struct net_device *dev = netdev_notifier_info_to_dev(ptr);
         struct mlx4_ib_dev *ibdev;
         struct net_device *oldnd;
         struct mlx4_ib_iboe *iboe;
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 29b846cbfb48..f4489d65bf33 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -3277,7 +3277,7 @@ static int bond_slave_netdev_event(unsigned long event,
 static int bond_netdev_event(struct notifier_block *this,
                              unsigned long event, void *ptr)
 {
-        struct net_device *event_dev = (struct net_device *)ptr;
+        struct net_device *event_dev = netdev_notifier_info_to_dev(ptr);
 
         pr_debug("event_dev: %s, event: %lx\n",
                  event_dev ? event_dev->name : "None",
diff --git a/drivers/net/can/led.c b/drivers/net/can/led.c
index f27fca65dc4a..a3d99a8fd2d1 100644
--- a/drivers/net/can/led.c
+++ b/drivers/net/can/led.c
@@ -88,9 +88,9 @@ EXPORT_SYMBOL_GPL(devm_can_led_init);
 
 /* NETDEV rename notifier to rename the associated led triggers too */
 static int can_led_notifier(struct notifier_block *nb, unsigned long msg,
-                        void *data)
+                            void *ptr)
 {
-        struct net_device *netdev = data;
+        struct net_device *netdev = netdev_notifier_info_to_dev(ptr);
         struct can_priv *priv = safe_candev_priv(netdev);
         char name[CAN_LED_NAME_SZ];
 
diff --git a/drivers/net/ethernet/broadcom/cnic.c b/drivers/net/ethernet/broadcom/cnic.c
index 6b0dc131b20e..d78d4cf140ed 100644
--- a/drivers/net/ethernet/broadcom/cnic.c
+++ b/drivers/net/ethernet/broadcom/cnic.c
@@ -5622,7 +5622,7 @@ static void cnic_rcv_netevent(struct cnic_local *cp, unsigned long event,
 static int cnic_netdev_event(struct notifier_block *this, unsigned long event,
                                                          void *ptr)
 {
-        struct net_device *netdev = ptr;
+        struct net_device *netdev = netdev_notifier_info_to_dev(ptr);
         struct cnic_dev *dev;
         int new_dev = 0;
 
diff --git a/drivers/net/ethernet/marvell/skge.c b/drivers/net/ethernet/marvell/skge.c
index 171f4b3dda07..c896079728e1 100644
--- a/drivers/net/ethernet/marvell/skge.c
+++ b/drivers/net/ethernet/marvell/skge.c
@@ -3706,7 +3706,7 @@ static const struct file_operations skge_debug_fops = {
 static int skge_device_event(struct notifier_block *unused,
                              unsigned long event, void *ptr)
 {
-        struct net_device *dev = ptr;
+        struct net_device *dev = netdev_notifier_info_to_dev(ptr);
         struct skge_port *skge;
         struct dentry *d;
 
diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c
index d175bbd3ffd3..e09a8c6f8536 100644
--- a/drivers/net/ethernet/marvell/sky2.c
+++ b/drivers/net/ethernet/marvell/sky2.c
@@ -4642,7 +4642,7 @@ static const struct file_operations sky2_debug_fops = {
 static int sky2_device_event(struct notifier_block *unused,
                              unsigned long event, void *ptr)
 {
-        struct net_device *dev = ptr;
+        struct net_device *dev = netdev_notifier_info_to_dev(ptr);
         struct sky2_port *sky2 = netdev_priv(dev);
 
         if (dev->netdev_ops->ndo_open != sky2_open || !sky2_debug)
diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
index af951f343ff6..51e13d92761e 100644
--- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
+++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c
@@ -3311,7 +3311,7 @@ static int netxen_netdev_event(struct notifier_block *this,
                                  unsigned long event, void *ptr)
 {
         struct netxen_adapter *adapter;
-        struct net_device *dev = (struct net_device *)ptr;
+        struct net_device *dev = netdev_notifier_info_to_dev(ptr);
         struct net_device *orig_dev = dev;
         struct net_device *slave;
 
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
index da82f2eb73b4..6bb56d43614b 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
@@ -3530,7 +3530,7 @@ static int qlcnic_netdev_event(struct notifier_block *this,
                                  unsigned long event, void *ptr)
 {
         struct qlcnic_adapter *adapter;
-        struct net_device *dev = (struct net_device *)ptr;
+        struct net_device *dev = netdev_notifier_info_to_dev(ptr);
 
 recheck:
         if (dev == NULL)
diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c
index 39e4cb39de29..46cc11d5e205 100644
--- a/drivers/net/ethernet/sfc/efx.c
+++ b/drivers/net/ethernet/sfc/efx.c
@@ -2120,7 +2120,7 @@ static void efx_update_name(struct efx_nic *efx)
 static int efx_netdev_event(struct notifier_block *this,
                             unsigned long event, void *ptr)
 {
-        struct net_device *net_dev = ptr;
+        struct net_device *net_dev = netdev_notifier_info_to_dev(ptr);
 
         if (net_dev->netdev_ops == &efx_netdev_ops &&
             event == NETDEV_CHANGENAME)
diff --git a/drivers/net/hamradio/bpqether.c b/drivers/net/hamradio/bpqether.c
index 02de6c891670..f91bf0ddf031 100644
--- a/drivers/net/hamradio/bpqether.c
+++ b/drivers/net/hamradio/bpqether.c
@@ -103,7 +103,7 @@ static struct packet_type bpq_packet_type __read_mostly = {
 };
 
 static struct notifier_block bpq_dev_notifier = {
-        .notifier_call =bpq_device_event,
+        .notifier_call = bpq_device_event,
 };
 
 
@@ -544,9 +544,10 @@ static void bpq_free_device(struct net_device *ndev)
 /*
  *      Handle device status changes.
  */
-static int bpq_device_event(struct notifier_block *this,unsigned long event, void *ptr)
+static int bpq_device_event(struct notifier_block *this,
+                            unsigned long event, void *ptr)
 {
-        struct net_device *dev = (struct net_device *)ptr;
+        struct net_device *dev = netdev_notifier_info_to_dev(ptr);
 
         if (!net_eq(dev_net(dev), &init_net))
                 return NOTIFY_DONE;
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index 1c502bb0c916..edfddc5f61b4 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -921,7 +921,7 @@ static struct rtnl_link_ops macvlan_link_ops = {
 static int macvlan_device_event(struct notifier_block *unused,
                                 unsigned long event, void *ptr)
 {
-        struct net_device *dev = ptr;
+        struct net_device *dev = netdev_notifier_info_to_dev(ptr);
         struct macvlan_dev *vlan, *next;
         struct macvlan_port *port;
         LIST_HEAD(list_kill);
diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index 59e9605de316..68efb91a5633 100644
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c
@@ -1053,7 +1053,7 @@ EXPORT_SYMBOL_GPL(macvtap_get_socket);
 static int macvtap_device_event(struct notifier_block *unused,
                                 unsigned long event, void *ptr)
 {
-        struct net_device *dev = ptr;
+        struct net_device *dev = netdev_notifier_info_to_dev(ptr);
         struct macvlan_dev *vlan;
         struct device *classdev;
         dev_t devt;
diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c
index 59ac143dec25..1d1d0a12765c 100644
--- a/drivers/net/netconsole.c
+++ b/drivers/net/netconsole.c
@@ -653,12 +653,11 @@ static struct configfs_subsystem netconsole_subsys = {
 
 /* Handle network interface device notifications */
 static int netconsole_netdev_event(struct notifier_block *this,
-                                   unsigned long event,
-                                   void *ptr)
+                                   unsigned long event, void *ptr)
 {
         unsigned long flags;
         struct netconsole_target *nt;
-        struct net_device *dev = ptr;
+        struct net_device *dev = netdev_notifier_info_to_dev(ptr);
         bool stopped = false;
 
         if (!(event == NETDEV_CHANGENAME || event == NETDEV_UNREGISTER ||
diff --git a/drivers/net/ppp/pppoe.c b/drivers/net/ppp/pppoe.c
index bb07ba94c3aa..5f66e30d9823 100644
--- a/drivers/net/ppp/pppoe.c
+++ b/drivers/net/ppp/pppoe.c
@@ -338,7 +338,7 @@ static void pppoe_flush_dev(struct net_device *dev)
 static int pppoe_device_event(struct notifier_block *this,
                               unsigned long event, void *ptr)
 {
-        struct net_device *dev = (struct net_device *)ptr;
+        struct net_device *dev = netdev_notifier_info_to_dev(ptr);
 
         /* Only look at sockets that are using this specific device. */
         switch (event) {
diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
index 7c43261975bd..9273f48a512b 100644
--- a/drivers/net/team/team.c
+++ b/drivers/net/team/team.c
@@ -2647,7 +2647,7 @@ static void team_port_change_check(struct team_port *port, bool linkup)
 static int team_device_event(struct notifier_block *unused,
                              unsigned long event, void *ptr)
 {
-        struct net_device *dev = (struct net_device *) ptr;
+        struct net_device *dev = netdev_notifier_info_to_dev(ptr);
         struct team_port *port;
 
         port = team_port_get_rtnl(dev);
diff --git a/drivers/net/wan/dlci.c b/drivers/net/wan/dlci.c
index 147614ed86aa..70ac59929f80 100644
--- a/drivers/net/wan/dlci.c
+++ b/drivers/net/wan/dlci.c
@@ -477,7 +477,7 @@ static void dlci_setup(struct net_device *dev)
 static int dlci_dev_event(struct notifier_block *unused,
                           unsigned long event, void *ptr)
 {
-        struct net_device *dev = (struct net_device *) ptr;
+        struct net_device *dev = netdev_notifier_info_to_dev(ptr);
 
         if (dev_net(dev) != &init_net)
                 return NOTIFY_DONE;
diff --git a/drivers/net/wan/hdlc.c b/drivers/net/wan/hdlc.c
index a0a932c63d0a..9c33ca918e19 100644
--- a/drivers/net/wan/hdlc.c
+++ b/drivers/net/wan/hdlc.c
@@ -99,7 +99,7 @@ static inline void hdlc_proto_stop(struct net_device *dev)
 static int hdlc_device_event(struct notifier_block *this, unsigned long event,
                              void *ptr)
 {
-        struct net_device *dev = ptr;
+        struct net_device *dev = netdev_notifier_info_to_dev(ptr);
         hdlc_device *hdlc;
         unsigned long flags;
         int on;
diff --git a/drivers/net/wan/lapbether.c b/drivers/net/wan/lapbether.c
index a73b49eb87e3..a33a46fa88dd 100644
--- a/drivers/net/wan/lapbether.c
+++ b/drivers/net/wan/lapbether.c
@@ -370,7 +370,7 @@ static int lapbeth_device_event(struct notifier_block *this,
                                 unsigned long event, void *ptr)
 {
         struct lapbethdev *lapbeth;
-        struct net_device *dev = ptr;
+        struct net_device *dev = netdev_notifier_info_to_dev(ptr);
 
         if (dev_net(dev) != &init_net)
                 return NOTIFY_DONE;
diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c
index 292b24f9bf93..ee721b6cbcdf 100644
--- a/drivers/scsi/fcoe/fcoe.c
+++ b/drivers/scsi/fcoe/fcoe.c
@@ -1975,7 +1975,7 @@ static int fcoe_device_notification(struct notifier_block *notifier,
 {
         struct fcoe_ctlr_device *cdev;
         struct fc_lport *lport = NULL;
-        struct net_device *netdev = ptr;
+        struct net_device *netdev = netdev_notifier_info_to_dev(ptr);
         struct fcoe_ctlr *ctlr;
         struct fcoe_interface *fcoe;
         struct fcoe_port *port;
diff --git a/drivers/scsi/fcoe/fcoe_transport.c b/drivers/scsi/fcoe/fcoe_transport.c
index f3a5a53e8631..01adbe0ec53b 100644
--- a/drivers/scsi/fcoe/fcoe_transport.c
+++ b/drivers/scsi/fcoe/fcoe_transport.c
@@ -704,7 +704,7 @@ static struct net_device *fcoe_if_to_netdev(const char *buffer)
 static int libfcoe_device_notification(struct notifier_block *notifier,
                                     ulong event, void *ptr)
 {
-        struct net_device *netdev = ptr;
+        struct net_device *netdev = netdev_notifier_info_to_dev(ptr);
 
         switch (event) {
         case NETDEV_UNREGISTER:
diff --git a/drivers/staging/csr/netdev.c b/drivers/staging/csr/netdev.c
index a0177d998978..d49cdf84a496 100644
--- a/drivers/staging/csr/netdev.c
+++ b/drivers/staging/csr/netdev.c
@@ -2891,7 +2891,7 @@ void uf_net_get_name(struct net_device *dev, char *name, int len)
  */
 static int
 uf_netdev_event(struct notifier_block *notif, unsigned long event, void* ptr) {
-    struct net_device *netdev = ptr;
+    struct net_device *netdev = netdev_notifier_info_to_dev(ptr);
     netInterface_priv_t *interfacePriv = (netInterface_priv_t *)netdev_priv(netdev);
     unifi_priv_t *priv = NULL;
     static const CsrWifiMacAddress broadcast_address = {{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}};
diff --git a/drivers/staging/ft1000/ft1000-pcmcia/ft1000_proc.c b/drivers/staging/ft1000/ft1000-pcmcia/ft1000_proc.c
index 94e426e4d98b..b2330f1df7e7 100644
--- a/drivers/staging/ft1000/ft1000-pcmcia/ft1000_proc.c
+++ b/drivers/staging/ft1000/ft1000-pcmcia/ft1000_proc.c
@@ -164,7 +164,7 @@ static const struct file_operations ft1000_proc_fops = {
 static int ft1000NotifyProc(struct notifier_block *this, unsigned long event,
                                 void *ptr)
 {
-        struct net_device *dev = ptr;
+        struct net_device *dev = netdev_notifier_info_to_dev(ptr);
         struct ft1000_info *info;
 
         info = netdev_priv(dev);
diff --git a/drivers/staging/ft1000/ft1000-usb/ft1000_proc.c b/drivers/staging/ft1000/ft1000-usb/ft1000_proc.c
index eca6f0292b4b..5ead942be680 100644
--- a/drivers/staging/ft1000/ft1000-usb/ft1000_proc.c
+++ b/drivers/staging/ft1000/ft1000-usb/ft1000_proc.c
@@ -166,7 +166,7 @@ static const struct file_operations ft1000_proc_fops = {
 static int
 ft1000NotifyProc(struct notifier_block *this, unsigned long event, void *ptr)
 {
-        struct net_device *dev = ptr;
+        struct net_device *dev = netdev_notifier_info_to_dev(ptr);
         struct ft1000_info *info;
         struct proc_dir_entry *ft1000_proc_file;
 
diff --git a/drivers/staging/silicom/bpctl_mod.c b/drivers/staging/silicom/bpctl_mod.c
index b7e570ccb759..c8ddb99e8526 100644
--- a/drivers/staging/silicom/bpctl_mod.c
+++ b/drivers/staging/silicom/bpctl_mod.c
@@ -133,7 +133,7 @@ static unsigned long str_to_hex(char *p);
 static int bp_device_event(struct notifier_block *unused,
                            unsigned long event, void *ptr)
 {
-        struct net_device *dev = ptr;
+        struct net_device *dev = netdev_notifier_info_to_dev(ptr);
         static bpctl_dev_t *pbpctl_dev = NULL, *pbpctl_dev_m = NULL;
         int dev_num = 0, ret = 0, ret_d = 0, time_left = 0;
         /* printk("BP_PROC_SUPPORT event =%d %s %d\n", event,dev->name, dev->ifindex ); */