staging: wlan-ng: fix block comment warnings in p80211netdev.c

This patch fix the following checkpatch.pl warnings in p80211netdev.c:
WARNING: Block comments should align the * on each line
WARNING: Block comments use a trailing */ on a separate line

Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sergio Paracuellos 2016-10-09 17:10:22 +02:00 committed by Greg Kroah-Hartman
parent 0a6b83e553
commit 84ad1efa7d
1 changed files with 314 additions and 299 deletions

View File

@ -1,53 +1,53 @@
/* src/p80211/p80211knetdev.c
*
* Linux Kernel net device interface
*
* Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved.
* --------------------------------------------------------------------
*
* linux-wlan
*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* Alternatively, the contents of this file may be used under the
* terms of the GNU Public License version 2 (the "GPL"), in which
* case the provisions of the GPL are applicable instead of the
* above. If you wish to allow the use of your version of this file
* only under the terms of the GPL and not to allow others to use
* your version of this file under the MPL, indicate your decision
* by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL. If you do not delete
* the provisions above, a recipient may use your version of this
* file under either the MPL or the GPL.
*
* --------------------------------------------------------------------
*
* Inquiries regarding the linux-wlan Open Source project can be
* made directly to:
*
* AbsoluteValue Systems Inc.
* info@linux-wlan.com
* http://www.linux-wlan.com
*
* --------------------------------------------------------------------
*
* Portions of the development of this software were funded by
* Intersil Corporation as part of PRISM(R) chipset product development.
*
* --------------------------------------------------------------------
*
* The functions required for a Linux network device are defined here.
*
* --------------------------------------------------------------------
*/
*
* Linux Kernel net device interface
*
* Copyright (C) 1999 AbsoluteValue Systems, Inc. All Rights Reserved.
* --------------------------------------------------------------------
*
* linux-wlan
*
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* Alternatively, the contents of this file may be used under the
* terms of the GNU Public License version 2 (the "GPL"), in which
* case the provisions of the GPL are applicable instead of the
* above. If you wish to allow the use of your version of this file
* only under the terms of the GPL and not to allow others to use
* your version of this file under the MPL, indicate your decision
* by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL. If you do not delete
* the provisions above, a recipient may use your version of this
* file under either the MPL or the GPL.
*
* --------------------------------------------------------------------
*
* Inquiries regarding the linux-wlan Open Source project can be
* made directly to:
*
* AbsoluteValue Systems Inc.
* info@linux-wlan.com
* http://www.linux-wlan.com
*
* --------------------------------------------------------------------
*
* Portions of the development of this software were funded by
* Intersil Corporation as part of PRISM(R) chipset product development.
*
* --------------------------------------------------------------------
*
* The functions required for a Linux network device are defined here.
*
* --------------------------------------------------------------------
*/
#include <linux/module.h>
#include <linux/kernel.h>
@ -112,17 +112,18 @@ module_param(wlan_wext_write, int, 0644);
MODULE_PARM_DESC(wlan_wext_write, "enable write wireless extensions");
/*----------------------------------------------------------------
* p80211knetdev_init
*
* Init method for a Linux netdevice. Called in response to
* register_netdev.
*
* Arguments:
* none
*
* Returns:
* nothing
----------------------------------------------------------------*/
* p80211knetdev_init
*
* Init method for a Linux netdevice. Called in response to
* register_netdev.
*
* Arguments:
* none
*
* Returns:
* nothing
*----------------------------------------------------------------
*/
static int p80211knetdev_init(struct net_device *netdev)
{
/* Called in response to register_netdev */
@ -133,19 +134,20 @@ static int p80211knetdev_init(struct net_device *netdev)
}
/*----------------------------------------------------------------
* p80211knetdev_open
*
* Linux netdevice open method. Following a successful call here,
* the device is supposed to be ready for tx and rx. In our
* situation that may not be entirely true due to the state of the
* MAC below.
*
* Arguments:
* netdev Linux network device structure
*
* Returns:
* zero on success, non-zero otherwise
----------------------------------------------------------------*/
* p80211knetdev_open
*
* Linux netdevice open method. Following a successful call here,
* the device is supposed to be ready for tx and rx. In our
* situation that may not be entirely true due to the state of the
* MAC below.
*
* Arguments:
* netdev Linux network device structure
*
* Returns:
* zero on success, non-zero otherwise
*----------------------------------------------------------------
*/
static int p80211knetdev_open(struct net_device *netdev)
{
int result = 0; /* success */
@ -170,17 +172,18 @@ static int p80211knetdev_open(struct net_device *netdev)
}
/*----------------------------------------------------------------
* p80211knetdev_stop
*
* Linux netdevice stop (close) method. Following this call,
* no frames should go up or down through this interface.
*
* Arguments:
* netdev Linux network device structure
*
* Returns:
* zero on success, non-zero otherwise
----------------------------------------------------------------*/
* p80211knetdev_stop
*
* Linux netdevice stop (close) method. Following this call,
* no frames should go up or down through this interface.
*
* Arguments:
* netdev Linux network device structure
*
* Returns:
* zero on success, non-zero otherwise
*----------------------------------------------------------------
*/
static int p80211knetdev_stop(struct net_device *netdev)
{
int result = 0;
@ -196,18 +199,19 @@ static int p80211knetdev_stop(struct net_device *netdev)
}
/*----------------------------------------------------------------
* p80211netdev_rx
*
* Frame receive function called by the mac specific driver.
*
* Arguments:
* wlandev WLAN network device structure
* skb skbuff containing a full 802.11 frame.
* Returns:
* nothing
* Side effects:
*
----------------------------------------------------------------*/
* p80211netdev_rx
*
* Frame receive function called by the mac specific driver.
*
* Arguments:
* wlandev WLAN network device structure
* skb skbuff containing a full 802.11 frame.
* Returns:
* nothing
* Side effects:
*
*----------------------------------------------------------------
*/
void p80211netdev_rx(struct wlandevice *wlandev, struct sk_buff *skb)
{
/* Enqueue for post-irq processing */
@ -300,24 +304,25 @@ static void p80211netdev_rx_bh(unsigned long arg)
}
/*----------------------------------------------------------------
* p80211knetdev_hard_start_xmit
*
* Linux netdevice method for transmitting a frame.
*
* Arguments:
* skb Linux sk_buff containing the frame.
* netdev Linux netdevice.
*
* Side effects:
* If the lower layers report that buffers are full. netdev->tbusy
* will be set to prevent higher layers from sending more traffic.
*
* Note: If this function returns non-zero, higher layers retain
* ownership of the skb.
*
* Returns:
* zero on success, non-zero on failure.
----------------------------------------------------------------*/
* p80211knetdev_hard_start_xmit
*
* Linux netdevice method for transmitting a frame.
*
* Arguments:
* skb Linux sk_buff containing the frame.
* netdev Linux netdevice.
*
* Side effects:
* If the lower layers report that buffers are full. netdev->tbusy
* will be set to prevent higher layers from sending more traffic.
*
* Note: If this function returns non-zero, higher layers retain
* ownership of the skb.
*
* Returns:
* zero on success, non-zero on failure.
*----------------------------------------------------------------
*/
static int p80211knetdev_hard_start_xmit(struct sk_buff *skb,
struct net_device *netdev)
{
@ -436,17 +441,18 @@ static int p80211knetdev_hard_start_xmit(struct sk_buff *skb,
}
/*----------------------------------------------------------------
* p80211knetdev_set_multicast_list
*
* Called from higher layers whenever there's a need to set/clear
* promiscuous mode or rewrite the multicast list.
*
* Arguments:
* none
*
* Returns:
* nothing
----------------------------------------------------------------*/
* p80211knetdev_set_multicast_list
*
* Called from higher layers whenever there's a need to set/clear
* promiscuous mode or rewrite the multicast list.
*
* Arguments:
* none
*
* Returns:
* nothing
*----------------------------------------------------------------
*/
static void p80211knetdev_set_multicast_list(struct net_device *dev)
{
struct wlandevice *wlandev = dev->ml_priv;
@ -507,32 +513,33 @@ static int p80211netdev_ethtool(struct wlandevice *wlandev,
#endif
/*----------------------------------------------------------------
* p80211knetdev_do_ioctl
*
* Handle an ioctl call on one of our devices. Everything Linux
* ioctl specific is done here. Then we pass the contents of the
* ifr->data to the request message handler.
*
* Arguments:
* dev Linux kernel netdevice
* ifr Our private ioctl request structure, typed for the
* generic struct ifreq so we can use ptr to func
* w/o cast.
*
* Returns:
* zero on success, a negative errno on failure. Possible values:
* -ENETDOWN Device isn't up.
* -EBUSY cmd already in progress
* -ETIME p80211 cmd timed out (MSD may have its own timers)
* -EFAULT memory fault copying msg from user buffer
* -ENOMEM unable to allocate kernel msg buffer
* -ENOSYS bad magic, it the cmd really for us?
* -EintR sleeping on cmd, awakened by signal, cmd cancelled.
*
* Call Context:
* Process thread (ioctl caller). TODO: SMP support may require
* locks.
----------------------------------------------------------------*/
* p80211knetdev_do_ioctl
*
* Handle an ioctl call on one of our devices. Everything Linux
* ioctl specific is done here. Then we pass the contents of the
* ifr->data to the request message handler.
*
* Arguments:
* dev Linux kernel netdevice
* ifr Our private ioctl request structure, typed for the
* generic struct ifreq so we can use ptr to func
* w/o cast.
*
* Returns:
* zero on success, a negative errno on failure. Possible values:
* -ENETDOWN Device isn't up.
* -EBUSY cmd already in progress
* -ETIME p80211 cmd timed out (MSD may have its own timers)
* -EFAULT memory fault copying msg from user buffer
* -ENOMEM unable to allocate kernel msg buffer
* -ENOSYS bad magic, it the cmd really for us?
* -EintR sleeping on cmd, awakened by signal, cmd cancelled.
*
* Call Context:
* Process thread (ioctl caller). TODO: SMP support may require
* locks.
*----------------------------------------------------------------
*/
static int p80211knetdev_do_ioctl(struct net_device *dev,
struct ifreq *ifr, int cmd)
{
@ -589,30 +596,31 @@ static int p80211knetdev_do_ioctl(struct net_device *dev,
}
/*----------------------------------------------------------------
* p80211knetdev_set_mac_address
*
* Handles the ioctl for changing the MACAddress of a netdevice
*
* references: linux/netdevice.h and drivers/net/net_init.c
*
* NOTE: [MSM] We only prevent address changes when the netdev is
* up. We don't control anything based on dot11 state. If the
* address is changed on a STA that's currently associated, you
* will probably lose the ability to send and receive data frames.
* Just be aware. Therefore, this should usually only be done
* prior to scan/join/auth/assoc.
*
* Arguments:
* dev netdevice struct
* addr the new MACAddress (a struct)
*
* Returns:
* zero on success, a negative errno on failure. Possible values:
* -EBUSY device is bussy (cmd not possible)
* -and errors returned by: p80211req_dorequest(..)
*
* by: Collin R. Mulliner <collin@mulliner.org>
----------------------------------------------------------------*/
* p80211knetdev_set_mac_address
*
* Handles the ioctl for changing the MACAddress of a netdevice
*
* references: linux/netdevice.h and drivers/net/net_init.c
*
* NOTE: [MSM] We only prevent address changes when the netdev is
* up. We don't control anything based on dot11 state. If the
* address is changed on a STA that's currently associated, you
* will probably lose the ability to send and receive data frames.
* Just be aware. Therefore, this should usually only be done
* prior to scan/join/auth/assoc.
*
* Arguments:
* dev netdevice struct
* addr the new MACAddress (a struct)
*
* Returns:
* zero on success, a negative errno on failure. Possible values:
* -EBUSY device is bussy (cmd not possible)
* -and errors returned by: p80211req_dorequest(..)
*
* by: Collin R. Mulliner <collin@mulliner.org>
*----------------------------------------------------------------
*/
static int p80211knetdev_set_mac_address(struct net_device *dev, void *addr)
{
struct sockaddr *new_addr = addr;
@ -675,7 +683,8 @@ static int p80211knetdev_set_mac_address(struct net_device *dev, void *addr)
static int wlan_change_mtu(struct net_device *dev, int new_mtu)
{
/* 2312 is max 802.11 payload, 20 is overhead, (ether + llc +snap)
and another 8 for wep. */
* and another 8 for wep.
*/
if ((new_mtu < 68) || (new_mtu > (2312 - 20 - 8)))
return -EINVAL;
@ -698,28 +707,29 @@ static const struct net_device_ops p80211_netdev_ops = {
};
/*----------------------------------------------------------------
* wlan_setup
*
* Roughly matches the functionality of ether_setup. Here
* we set up any members of the wlandevice structure that are common
* to all devices. Additionally, we allocate a linux 'struct device'
* and perform the same setup as ether_setup.
*
* Note: It's important that the caller have setup the wlandev->name
* ptr prior to calling this function.
*
* Arguments:
* wlandev ptr to the wlandev structure for the
* interface.
* physdev ptr to usb device
* Returns:
* zero on success, non-zero otherwise.
* Call Context:
* Should be process thread. We'll assume it might be
* interrupt though. When we add support for statically
* compiled drivers, this function will be called in the
* context of the kernel startup code.
----------------------------------------------------------------*/
* wlan_setup
*
* Roughly matches the functionality of ether_setup. Here
* we set up any members of the wlandevice structure that are common
* to all devices. Additionally, we allocate a linux 'struct device'
* and perform the same setup as ether_setup.
*
* Note: It's important that the caller have setup the wlandev->name
* ptr prior to calling this function.
*
* Arguments:
* wlandev ptr to the wlandev structure for the
* interface.
* physdev ptr to usb device
* Returns:
* zero on success, non-zero otherwise.
* Call Context:
* Should be process thread. We'll assume it might be
* interrupt though. When we add support for statically
* compiled drivers, this function will be called in the
* context of the kernel startup code.
*----------------------------------------------------------------
*/
int wlan_setup(struct wlandevice *wlandev, struct device *physdev)
{
int result = 0;
@ -768,24 +778,25 @@ int wlan_setup(struct wlandevice *wlandev, struct device *physdev)
}
/*----------------------------------------------------------------
* wlan_unsetup
*
* This function is paired with the wlan_setup routine. It should
* be called after unregister_wlandev. Basically, all it does is
* free the 'struct device' that's associated with the wlandev.
* We do it here because the 'struct device' isn't allocated
* explicitly in the driver code, it's done in wlan_setup. To
* do the free in the driver might seem like 'magic'.
*
* Arguments:
* wlandev ptr to the wlandev structure for the
* interface.
* Call Context:
* Should be process thread. We'll assume it might be
* interrupt though. When we add support for statically
* compiled drivers, this function will be called in the
* context of the kernel startup code.
----------------------------------------------------------------*/
* wlan_unsetup
*
* This function is paired with the wlan_setup routine. It should
* be called after unregister_wlandev. Basically, all it does is
* free the 'struct device' that's associated with the wlandev.
* We do it here because the 'struct device' isn't allocated
* explicitly in the driver code, it's done in wlan_setup. To
* do the free in the driver might seem like 'magic'.
*
* Arguments:
* wlandev ptr to the wlandev structure for the
* interface.
* Call Context:
* Should be process thread. We'll assume it might be
* interrupt though. When we add support for statically
* compiled drivers, this function will be called in the
* context of the kernel startup code.
*----------------------------------------------------------------
*/
void wlan_unsetup(struct wlandevice *wlandev)
{
struct wireless_dev *wdev;
@ -802,46 +813,48 @@ void wlan_unsetup(struct wlandevice *wlandev)
}
/*----------------------------------------------------------------
* register_wlandev
*
* Roughly matches the functionality of register_netdev. This function
* is called after the driver has successfully probed and set up the
* resources for the device. It's now ready to become a named device
* in the Linux system.
*
* First we allocate a name for the device (if not already set), then
* we call the Linux function register_netdevice.
*
* Arguments:
* wlandev ptr to the wlandev structure for the
* interface.
* Returns:
* zero on success, non-zero otherwise.
* Call Context:
* Can be either interrupt or not.
----------------------------------------------------------------*/
* register_wlandev
*
* Roughly matches the functionality of register_netdev. This function
* is called after the driver has successfully probed and set up the
* resources for the device. It's now ready to become a named device
* in the Linux system.
*
* First we allocate a name for the device (if not already set), then
* we call the Linux function register_netdevice.
*
* Arguments:
* wlandev ptr to the wlandev structure for the
* interface.
* Returns:
* zero on success, non-zero otherwise.
* Call Context:
* Can be either interrupt or not.
*----------------------------------------------------------------
*/
int register_wlandev(struct wlandevice *wlandev)
{
return register_netdev(wlandev->netdev);
}
/*----------------------------------------------------------------
* unregister_wlandev
*
* Roughly matches the functionality of unregister_netdev. This
* function is called to remove a named device from the system.
*
* First we tell linux that the device should no longer exist.
* Then we remove it from the list of known wlan devices.
*
* Arguments:
* wlandev ptr to the wlandev structure for the
* interface.
* Returns:
* zero on success, non-zero otherwise.
* Call Context:
* Can be either interrupt or not.
----------------------------------------------------------------*/
* unregister_wlandev
*
* Roughly matches the functionality of unregister_netdev. This
* function is called to remove a named device from the system.
*
* First we tell linux that the device should no longer exist.
* Then we remove it from the list of known wlan devices.
*
* Arguments:
* wlandev ptr to the wlandev structure for the
* interface.
* Returns:
* zero on success, non-zero otherwise.
* Call Context:
* Can be either interrupt or not.
*----------------------------------------------------------------
*/
int unregister_wlandev(struct wlandevice *wlandev)
{
struct sk_buff *skb;
@ -856,35 +869,36 @@ int unregister_wlandev(struct wlandevice *wlandev)
}
/*----------------------------------------------------------------
* p80211netdev_hwremoved
*
* Hardware removed notification. This function should be called
* immediately after an MSD has detected that the underlying hardware
* has been yanked out from under us. The primary things we need
* to do are:
* - Mark the wlandev
* - Prevent any further traffic from the knetdev i/f
* - Prevent any further requests from mgmt i/f
* - If there are any waitq'd mgmt requests or mgmt-frame exchanges,
* shut them down.
* - Call the MSD hwremoved function.
*
* The remainder of the cleanup will be handled by unregister().
* Our primary goal here is to prevent as much tickling of the MSD
* as possible since the MSD is already in a 'wounded' state.
*
* TODO: As new features are added, this function should be
* updated.
*
* Arguments:
* wlandev WLAN network device structure
* Returns:
* nothing
* Side effects:
*
* Call context:
* Usually interrupt.
----------------------------------------------------------------*/
* p80211netdev_hwremoved
*
* Hardware removed notification. This function should be called
* immediately after an MSD has detected that the underlying hardware
* has been yanked out from under us. The primary things we need
* to do are:
* - Mark the wlandev
* - Prevent any further traffic from the knetdev i/f
* - Prevent any further requests from mgmt i/f
* - If there are any waitq'd mgmt requests or mgmt-frame exchanges,
* shut them down.
* - Call the MSD hwremoved function.
*
* The remainder of the cleanup will be handled by unregister().
* Our primary goal here is to prevent as much tickling of the MSD
* as possible since the MSD is already in a 'wounded' state.
*
* TODO: As new features are added, this function should be
* updated.
*
* Arguments:
* wlandev WLAN network device structure
* Returns:
* nothing
* Side effects:
*
* Call context:
* Usually interrupt.
*----------------------------------------------------------------
*/
void p80211netdev_hwremoved(struct wlandevice *wlandev)
{
wlandev->hwremoved = 1;
@ -895,26 +909,27 @@ void p80211netdev_hwremoved(struct wlandevice *wlandev)
}
/*----------------------------------------------------------------
* p80211_rx_typedrop
*
* Classifies the frame, increments the appropriate counter, and
* returns 0|1|2 indicating whether the driver should handle, ignore, or
* drop the frame
*
* Arguments:
* wlandev wlan device structure
* fc frame control field
*
* Returns:
* zero if the frame should be handled by the driver,
* one if the frame should be ignored
* anything else means we drop it.
*
* Side effects:
*
* Call context:
* interrupt
----------------------------------------------------------------*/
* p80211_rx_typedrop
*
* Classifies the frame, increments the appropriate counter, and
* returns 0|1|2 indicating whether the driver should handle, ignore, or
* drop the frame
*
* Arguments:
* wlandev wlan device structure
* fc frame control field
*
* Returns:
* zero if the frame should be handled by the driver,
* one if the frame should be ignored
* anything else means we drop it.
*
* Side effects:
*
* Call context:
* interrupt
*----------------------------------------------------------------
*/
static int p80211_rx_typedrop(struct wlandevice *wlandev, u16 fc)
{
u16 ftype;