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Diffstat (limited to 'net/core/wireless.c')
-rw-r--r--net/core/wireless.c297
1 files changed, 148 insertions, 149 deletions
diff --git a/net/core/wireless.c b/net/core/wireless.c
index b07fe270a508..8f7f3abdb224 100644
--- a/net/core/wireless.c
+++ b/net/core/wireless.c
@@ -463,17 +463,17 @@ static inline iw_handler get_handler(struct net_device *dev,
unsigned int index; /* *MUST* be unsigned */
/* Check if we have some wireless handlers defined */
- if(dev->wireless_handlers == NULL)
+ if (dev->wireless_handlers == NULL)
return NULL;
/* Try as a standard command */
index = cmd - SIOCIWFIRST;
- if(index < dev->wireless_handlers->num_standard)
+ if (index < dev->wireless_handlers->num_standard)
return dev->wireless_handlers->standard[index];
/* Try as a private command */
index = cmd - SIOCIWFIRSTPRIV;
- if(index < dev->wireless_handlers->num_private)
+ if (index < dev->wireless_handlers->num_private)
return dev->wireless_handlers->private[index];
/* Not found */
@@ -487,7 +487,7 @@ static inline iw_handler get_handler(struct net_device *dev,
static inline struct iw_statistics *get_wireless_stats(struct net_device *dev)
{
/* New location */
- if((dev->wireless_handlers != NULL) &&
+ if ((dev->wireless_handlers != NULL) &&
(dev->wireless_handlers->get_wireless_stats != NULL))
return dev->wireless_handlers->get_wireless_stats(dev);
@@ -516,7 +516,7 @@ static inline struct iw_statistics *get_wireless_stats(struct net_device *dev)
*/
static inline int call_commit_handler(struct net_device * dev)
{
- if((netif_running(dev)) &&
+ if ((netif_running(dev)) &&
(dev->wireless_handlers->standard[0] != NULL)) {
/* Call the commit handler on the driver */
return dev->wireless_handlers->standard[0](dev, NULL,
@@ -577,7 +577,7 @@ static int iw_handler_get_iwstats(struct net_device * dev,
wrqu->data.length = sizeof(struct iw_statistics);
/* Check if we need to clear the updated flag */
- if(wrqu->data.flags != 0)
+ if (wrqu->data.flags != 0)
stats->qual.updated &= ~IW_QUAL_ALL_UPDATED;
return 0;
} else
@@ -596,12 +596,12 @@ static int iw_handler_get_private(struct net_device * dev,
char * extra)
{
/* Check if the driver has something to export */
- if((dev->wireless_handlers->num_private_args == 0) ||
+ if ((dev->wireless_handlers->num_private_args == 0) ||
(dev->wireless_handlers->private_args == NULL))
return -EOPNOTSUPP;
/* Check if there is enough buffer up there */
- if(wrqu->data.length < dev->wireless_handlers->num_private_args) {
+ if (wrqu->data.length < dev->wireless_handlers->num_private_args) {
/* User space can't know in advance how large the buffer
* needs to be. Give it a hint, so that we can support
* any size buffer we want somewhat efficiently... */
@@ -735,7 +735,7 @@ static int ioctl_standard_call(struct net_device * dev,
int ret = -EINVAL;
/* Get the description of the IOCTL */
- if((cmd - SIOCIWFIRST) >= standard_ioctl_num)
+ if ((cmd - SIOCIWFIRST) >= standard_ioctl_num)
return -EOPNOTSUPP;
descr = &(standard_ioctl[cmd - SIOCIWFIRST]);
@@ -750,14 +750,14 @@ static int ioctl_standard_call(struct net_device * dev,
info.flags = 0;
/* Check if we have a pointer to user space data or not */
- if(descr->header_type != IW_HEADER_TYPE_POINT) {
+ if (descr->header_type != IW_HEADER_TYPE_POINT) {
/* No extra arguments. Trivial to handle */
ret = handler(dev, &info, &(iwr->u), NULL);
#ifdef WE_SET_EVENT
/* Generate an event to notify listeners of the change */
- if((descr->flags & IW_DESCR_FLAG_EVENT) &&
+ if ((descr->flags & IW_DESCR_FLAG_EVENT) &&
((ret == 0) || (ret == -EIWCOMMIT)))
wireless_send_event(dev, cmd, &(iwr->u), NULL);
#endif /* WE_SET_EVENT */
@@ -800,19 +800,19 @@ static int ioctl_standard_call(struct net_device * dev,
iwr->u.data.length -= essid_compat;
/* Check what user space is giving us */
- if(IW_IS_SET(cmd)) {
+ if (IW_IS_SET(cmd)) {
/* Check NULL pointer */
- if((iwr->u.data.pointer == NULL) &&
+ if ((iwr->u.data.pointer == NULL) &&
(iwr->u.data.length != 0))
return -EFAULT;
/* Check if number of token fits within bounds */
- if(iwr->u.data.length > descr->max_tokens)
+ if (iwr->u.data.length > descr->max_tokens)
return -E2BIG;
- if(iwr->u.data.length < descr->min_tokens)
+ if (iwr->u.data.length < descr->min_tokens)
return -EINVAL;
} else {
/* Check NULL pointer */
- if(iwr->u.data.pointer == NULL)
+ if (iwr->u.data.pointer == NULL)
return -EFAULT;
/* Save user space buffer size for checking */
user_length = iwr->u.data.length;
@@ -822,7 +822,7 @@ static int ioctl_standard_call(struct net_device * dev,
* implied by the test at the end. */
/* Support for very large requests */
- if((descr->flags & IW_DESCR_FLAG_NOMAX) &&
+ if ((descr->flags & IW_DESCR_FLAG_NOMAX) &&
(user_length > descr->max_tokens)) {
/* Allow userspace to GET more than max so
* we can support any size GET requests.
@@ -848,7 +848,7 @@ static int ioctl_standard_call(struct net_device * dev,
}
/* If it is a SET, get all the extra data in here */
- if(IW_IS_SET(cmd) && (iwr->u.data.length != 0)) {
+ if (IW_IS_SET(cmd) && (iwr->u.data.length != 0)) {
err = copy_from_user(extra, iwr->u.data.pointer,
iwr->u.data.length *
descr->token_size);
@@ -871,7 +871,7 @@ static int ioctl_standard_call(struct net_device * dev,
/* If we have something to return to the user */
if (!ret && IW_IS_GET(cmd)) {
/* Check if there is enough buffer up there */
- if(user_length < iwr->u.data.length) {
+ if (user_length < iwr->u.data.length) {
kfree(extra);
return -E2BIG;
}
@@ -890,9 +890,9 @@ static int ioctl_standard_call(struct net_device * dev,
#ifdef WE_SET_EVENT
/* Generate an event to notify listeners of the change */
- if((descr->flags & IW_DESCR_FLAG_EVENT) &&
+ if ((descr->flags & IW_DESCR_FLAG_EVENT) &&
((ret == 0) || (ret == -EIWCOMMIT))) {
- if(descr->flags & IW_DESCR_FLAG_RESTRICT)
+ if (descr->flags & IW_DESCR_FLAG_RESTRICT)
/* If the event is restricted, don't
* export the payload */
wireless_send_event(dev, cmd, &(iwr->u), NULL);
@@ -907,7 +907,7 @@ static int ioctl_standard_call(struct net_device * dev,
}
/* Call commit handler if needed and defined */
- if(ret == -EIWCOMMIT)
+ if (ret == -EIWCOMMIT)
ret = call_commit_handler(dev);
/* Here, we will generate the appropriate event if needed */
@@ -944,8 +944,8 @@ static inline int ioctl_private_call(struct net_device * dev,
int ret = -EINVAL;
/* Get the description of the IOCTL */
- for(i = 0; i < dev->wireless_handlers->num_private_args; i++)
- if(cmd == dev->wireless_handlers->private_args[i].cmd) {
+ for (i = 0; i < dev->wireless_handlers->num_private_args; i++)
+ if (cmd == dev->wireless_handlers->private_args[i].cmd) {
descr = &(dev->wireless_handlers->private_args[i]);
break;
}
@@ -953,7 +953,7 @@ static inline int ioctl_private_call(struct net_device * dev,
#ifdef WE_IOCTL_DEBUG
printk(KERN_DEBUG "%s (WE) : Found private handler for 0x%04X\n",
ifr->ifr_name, cmd);
- if(descr) {
+ if (descr) {
printk(KERN_DEBUG "%s (WE) : Name %s, set %X, get %X\n",
dev->name, descr->name,
descr->set_args, descr->get_args);
@@ -961,11 +961,11 @@ static inline int ioctl_private_call(struct net_device * dev,
#endif /* WE_IOCTL_DEBUG */
/* Compute the size of the set/get arguments */
- if(descr != NULL) {
- if(IW_IS_SET(cmd)) {
+ if (descr != NULL) {
+ if (IW_IS_SET(cmd)) {
int offset = 0; /* For sub-ioctls */
/* Check for sub-ioctl handler */
- if(descr->name[0] == '\0')
+ if (descr->name[0] == '\0')
/* Reserve one int for sub-ioctl index */
offset = sizeof(__u32);
@@ -973,7 +973,7 @@ static inline int ioctl_private_call(struct net_device * dev,
extra_size = get_priv_size(descr->set_args);
/* Does it fits in iwr ? */
- if((descr->set_args & IW_PRIV_SIZE_FIXED) &&
+ if ((descr->set_args & IW_PRIV_SIZE_FIXED) &&
((extra_size + offset) <= IFNAMSIZ))
extra_size = 0;
} else {
@@ -981,7 +981,7 @@ static inline int ioctl_private_call(struct net_device * dev,
extra_size = get_priv_size(descr->get_args);
/* Does it fits in iwr ? */
- if((descr->get_args & IW_PRIV_SIZE_FIXED) &&
+ if ((descr->get_args & IW_PRIV_SIZE_FIXED) &&
(extra_size <= IFNAMSIZ))
extra_size = 0;
}
@@ -992,7 +992,7 @@ static inline int ioctl_private_call(struct net_device * dev,
info.flags = 0;
/* Check if we have a pointer to user space data or not. */
- if(extra_size == 0) {
+ if (extra_size == 0) {
/* No extra arguments. Trivial to handle */
ret = handler(dev, &info, &(iwr->u), (char *) &(iwr->u));
} else {
@@ -1000,19 +1000,19 @@ static inline int ioctl_private_call(struct net_device * dev,
int err;
/* Check what user space is giving us */
- if(IW_IS_SET(cmd)) {
+ if (IW_IS_SET(cmd)) {
/* Check NULL pointer */
- if((iwr->u.data.pointer == NULL) &&
+ if ((iwr->u.data.pointer == NULL) &&
(iwr->u.data.length != 0))
return -EFAULT;
/* Does it fits within bounds ? */
- if(iwr->u.data.length > (descr->set_args &
+ if (iwr->u.data.length > (descr->set_args &
IW_PRIV_SIZE_MASK))
return -E2BIG;
} else {
/* Check NULL pointer */
- if(iwr->u.data.pointer == NULL)
+ if (iwr->u.data.pointer == NULL)
return -EFAULT;
}
@@ -1029,7 +1029,7 @@ static inline int ioctl_private_call(struct net_device * dev,
}
/* If it is a SET, get all the extra data in here */
- if(IW_IS_SET(cmd) && (iwr->u.data.length != 0)) {
+ if (IW_IS_SET(cmd) && (iwr->u.data.length != 0)) {
err = copy_from_user(extra, iwr->u.data.pointer,
extra_size);
if (err) {
@@ -1071,7 +1071,7 @@ static inline int ioctl_private_call(struct net_device * dev,
/* Call commit handler if needed and defined */
- if(ret == -EIWCOMMIT)
+ if (ret == -EIWCOMMIT)
ret = call_commit_handler(dev);
return ret;
@@ -1098,51 +1098,50 @@ int wireless_process_ioctl(struct ifreq *ifr, unsigned int cmd)
/* A bunch of special cases, then the generic case...
* Note that 'cmd' is already filtered in dev_ioctl() with
* (cmd >= SIOCIWFIRST && cmd <= SIOCIWLAST) */
- switch(cmd)
- {
- case SIOCGIWSTATS:
- /* Get Wireless Stats */
+ switch (cmd) {
+ case SIOCGIWSTATS:
+ /* Get Wireless Stats */
+ return ioctl_standard_call(dev,
+ ifr,
+ cmd,
+ &iw_handler_get_iwstats);
+
+ case SIOCGIWPRIV:
+ /* Check if we have some wireless handlers defined */
+ if (dev->wireless_handlers != NULL) {
+ /* We export to user space the definition of
+ * the private handler ourselves */
return ioctl_standard_call(dev,
ifr,
cmd,
- &iw_handler_get_iwstats);
-
- case SIOCGIWPRIV:
- /* Check if we have some wireless handlers defined */
- if(dev->wireless_handlers != NULL) {
- /* We export to user space the definition of
- * the private handler ourselves */
+ &iw_handler_get_private);
+ }
+ // ## Fall-through for old API ##
+ default:
+ /* Generic IOCTL */
+ /* Basic check */
+ if (!netif_device_present(dev))
+ return -ENODEV;
+ /* New driver API : try to find the handler */
+ handler = get_handler(dev, cmd);
+ if (handler != NULL) {
+ /* Standard and private are not the same */
+ if (cmd < SIOCIWFIRSTPRIV)
return ioctl_standard_call(dev,
ifr,
cmd,
- &iw_handler_get_private);
- }
- // ## Fall-through for old API ##
- default:
- /* Generic IOCTL */
- /* Basic check */
- if (!netif_device_present(dev))
- return -ENODEV;
- /* New driver API : try to find the handler */
- handler = get_handler(dev, cmd);
- if(handler != NULL) {
- /* Standard and private are not the same */
- if(cmd < SIOCIWFIRSTPRIV)
- return ioctl_standard_call(dev,
- ifr,
- cmd,
- handler);
- else
- return ioctl_private_call(dev,
- ifr,
- cmd,
- handler);
- }
- /* Old driver API : call driver ioctl handler */
- if (dev->do_ioctl) {
- return dev->do_ioctl(dev, ifr, cmd);
- }
- return -EOPNOTSUPP;
+ handler);
+ else
+ return ioctl_private_call(dev,
+ ifr,
+ cmd,
+ handler);
+ }
+ /* Old driver API : call driver ioctl handler */
+ if (dev->do_ioctl) {
+ return dev->do_ioctl(dev, ifr, cmd);
+ }
+ return -EOPNOTSUPP;
}
/* Not reached */
return -EINVAL;
@@ -1196,7 +1195,7 @@ static int rtnetlink_standard_get(struct net_device * dev,
/* Get the description of the Request */
cmd = request->cmd;
- if((cmd - SIOCIWFIRST) >= standard_ioctl_num)
+ if ((cmd - SIOCIWFIRST) >= standard_ioctl_num)
return -EOPNOTSUPP;
descr = &(standard_ioctl[cmd - SIOCIWFIRST]);
@@ -1208,7 +1207,7 @@ static int rtnetlink_standard_get(struct net_device * dev,
/* Check if wrqu is complete */
hdr_len = event_type_size[descr->header_type];
- if(request_len < hdr_len) {
+ if (request_len < hdr_len) {
#ifdef WE_RTNETLINK_DEBUG
printk(KERN_DEBUG
"%s (WE.r) : Wireless request too short (%d)\n",
@@ -1222,7 +1221,7 @@ static int rtnetlink_standard_get(struct net_device * dev,
info.flags = 0;
/* Check if we have extra data in the reply or not */
- if(descr->header_type != IW_HEADER_TYPE_POINT) {
+ if (descr->header_type != IW_HEADER_TYPE_POINT) {
/* Create the kernel buffer that we will return.
* It's at an offset to match the TYPE_POINT case... */
@@ -1254,7 +1253,7 @@ static int rtnetlink_standard_get(struct net_device * dev,
* for max space. Easier, and won't last long... */
extra_size = descr->max_tokens * descr->token_size;
/* Support for very large requests */
- if((descr->flags & IW_DESCR_FLAG_NOMAX) &&
+ if ((descr->flags & IW_DESCR_FLAG_NOMAX) &&
(wrqu_point.data.length > descr->max_tokens))
extra_size = (wrqu_point.data.length
* descr->token_size);
@@ -1299,7 +1298,7 @@ static int rtnetlink_standard_get(struct net_device * dev,
#endif /* WE_RTNETLINK_DEBUG */
/* Check if there is enough buffer up there */
- if(wrqu_point.data.length < wrqu->data.length)
+ if (wrqu_point.data.length < wrqu->data.length)
ret = -E2BIG;
}
@@ -1309,7 +1308,7 @@ static int rtnetlink_standard_get(struct net_device * dev,
*p_len = request->len;
} else {
/* Cleanup */
- if(buffer)
+ if (buffer)
kfree(buffer);
}
@@ -1338,7 +1337,7 @@ static inline int rtnetlink_standard_set(struct net_device * dev,
/* Get the description of the Request */
cmd = request->cmd;
- if((cmd - SIOCIWFIRST) >= standard_ioctl_num)
+ if ((cmd - SIOCIWFIRST) >= standard_ioctl_num)
return -EOPNOTSUPP;
descr = &(standard_ioctl[cmd - SIOCIWFIRST]);
@@ -1353,7 +1352,7 @@ static inline int rtnetlink_standard_set(struct net_device * dev,
/* Check if wrqu is complete */
hdr_len = event_type_pk_size[descr->header_type];
- if(request_len < hdr_len) {
+ if (request_len < hdr_len) {
#ifdef WE_RTNETLINK_DEBUG
printk(KERN_DEBUG
"%s (WE.r) : Wireless request too short (%d)\n",
@@ -1367,7 +1366,7 @@ static inline int rtnetlink_standard_set(struct net_device * dev,
info.flags = 0;
/* Check if we have extra data in the request or not */
- if(descr->header_type != IW_HEADER_TYPE_POINT) {
+ if (descr->header_type != IW_HEADER_TYPE_POINT) {
/* No extra arguments. Trivial to handle */
ret = handler(dev, &info, wrqu, NULL);
@@ -1382,16 +1381,16 @@ static inline int rtnetlink_standard_set(struct net_device * dev,
wrqu = &wrqu_point;
/* Check if number of token fits within bounds */
- if(wrqu_point.data.length > descr->max_tokens)
+ if (wrqu_point.data.length > descr->max_tokens)
return -E2BIG;
- if(wrqu_point.data.length < descr->min_tokens)
+ if (wrqu_point.data.length < descr->min_tokens)
return -EINVAL;
/* Real length of payload */
extra_len = wrqu_point.data.length * descr->token_size;
/* Check if request is self consistent */
- if((request_len - hdr_len) < extra_len) {
+ if ((request_len - hdr_len) < extra_len) {
#ifdef WE_RTNETLINK_DEBUG
printk(KERN_DEBUG "%s (WE.r) : Wireless request data too short (%d)\n",
dev->name, extra_size);
@@ -1420,9 +1419,9 @@ static inline int rtnetlink_standard_set(struct net_device * dev,
#ifdef WE_SET_EVENT
/* Generate an event to notify listeners of the change */
- if((descr->flags & IW_DESCR_FLAG_EVENT) &&
+ if ((descr->flags & IW_DESCR_FLAG_EVENT) &&
((ret == 0) || (ret == -EIWCOMMIT))) {
- if(descr->flags & IW_DESCR_FLAG_RESTRICT)
+ if (descr->flags & IW_DESCR_FLAG_RESTRICT)
/* If the event is restricted, don't
* export the payload */
wireless_send_event(dev, cmd, wrqu, NULL);
@@ -1432,11 +1431,11 @@ static inline int rtnetlink_standard_set(struct net_device * dev,
#endif /* WE_SET_EVENT */
/* Cleanup - I told you it wasn't that long ;-) */
- if(extra)
+ if (extra)
kfree(extra);
/* Call commit handler if needed and defined */
- if(ret == -EIWCOMMIT)
+ if (ret == -EIWCOMMIT)
ret = call_commit_handler(dev);
return ret;
@@ -1477,12 +1476,12 @@ static inline int rtnetlink_private_get(struct net_device * dev,
/* Get the description of the Request */
cmd = request->cmd;
- for(i = 0; i < dev->wireless_handlers->num_private_args; i++)
- if(cmd == dev->wireless_handlers->private_args[i].cmd) {
+ for (i = 0; i < dev->wireless_handlers->num_private_args; i++)
+ if (cmd == dev->wireless_handlers->private_args[i].cmd) {
descr = &(dev->wireless_handlers->private_args[i]);
break;
}
- if(descr == NULL)
+ if (descr == NULL)
return -EOPNOTSUPP;
#ifdef WE_RTNETLINK_DEBUG
@@ -1496,7 +1495,7 @@ static inline int rtnetlink_private_get(struct net_device * dev,
extra_size = get_priv_size(descr->get_args);
/* Does it fits in wrqu ? */
- if((descr->get_args & IW_PRIV_SIZE_FIXED) &&
+ if ((descr->get_args & IW_PRIV_SIZE_FIXED) &&
(extra_size <= IFNAMSIZ)) {
hdr_len = extra_size;
extra_size = 0;
@@ -1505,7 +1504,7 @@ static inline int rtnetlink_private_get(struct net_device * dev,
}
/* Check if wrqu is complete */
- if(request_len < hdr_len) {
+ if (request_len < hdr_len) {
#ifdef WE_RTNETLINK_DEBUG
printk(KERN_DEBUG
"%s (WE.r) : Wireless request too short (%d)\n",
@@ -1519,7 +1518,7 @@ static inline int rtnetlink_private_get(struct net_device * dev,
info.flags = 0;
/* Check if we have a pointer to user space data or not. */
- if(extra_size == 0) {
+ if (extra_size == 0) {
/* Create the kernel buffer that we will return.
* It's at an offset to match the TYPE_POINT case... */
@@ -1591,7 +1590,7 @@ static inline int rtnetlink_private_get(struct net_device * dev,
*p_len = request->len;
} else {
/* Cleanup */
- if(buffer)
+ if (buffer)
kfree(buffer);
}
@@ -1632,12 +1631,12 @@ static inline int rtnetlink_private_set(struct net_device * dev,
/* Get the description of the Request */
cmd = request->cmd;
- for(i = 0; i < dev->wireless_handlers->num_private_args; i++)
- if(cmd == dev->wireless_handlers->private_args[i].cmd) {
+ for (i = 0; i < dev->wireless_handlers->num_private_args; i++)
+ if (cmd == dev->wireless_handlers->private_args[i].cmd) {
descr = &(dev->wireless_handlers->private_args[i]);
break;
}
- if(descr == NULL)
+ if (descr == NULL)
return -EOPNOTSUPP;
#ifdef WE_RTNETLINK_DEBUG
@@ -1649,7 +1648,7 @@ static inline int rtnetlink_private_set(struct net_device * dev,
/* Compute the size of the set arguments */
/* Check for sub-ioctl handler */
- if(descr->name[0] == '\0')
+ if (descr->name[0] == '\0')
/* Reserve one int for sub-ioctl index */
offset = sizeof(__u32);
@@ -1657,7 +1656,7 @@ static inline int rtnetlink_private_set(struct net_device * dev,
extra_size = get_priv_size(descr->set_args);
/* Does it fits in wrqu ? */
- if((descr->set_args & IW_PRIV_SIZE_FIXED) &&
+ if ((descr->set_args & IW_PRIV_SIZE_FIXED) &&
(extra_size <= IFNAMSIZ)) {
hdr_len = IW_EV_LCP_PK_LEN + extra_size;
extra_size = 0;
@@ -1669,7 +1668,7 @@ static inline int rtnetlink_private_set(struct net_device * dev,
wrqu = (union iwreq_data *) (((char *) request) + IW_EV_LCP_PK_LEN);
/* Check if wrqu is complete */
- if(request_len < hdr_len) {
+ if (request_len < hdr_len) {
#ifdef WE_RTNETLINK_DEBUG
printk(KERN_DEBUG
"%s (WE.r) : Wireless request too short (%d)\n",
@@ -1683,7 +1682,7 @@ static inline int rtnetlink_private_set(struct net_device * dev,
info.flags = 0;
/* Check if we have a pointer to user space data or not. */
- if(extra_size == 0) {
+ if (extra_size == 0) {
/* No extra arguments. Trivial to handle */
ret = handler(dev, &info, wrqu, (char *) wrqu);
@@ -1696,7 +1695,7 @@ static inline int rtnetlink_private_set(struct net_device * dev,
wrqu, IW_EV_POINT_PK_LEN - IW_EV_LCP_PK_LEN);
/* Does it fits within bounds ? */
- if(wrqu_point.data.length > (descr->set_args &
+ if (wrqu_point.data.length > (descr->set_args &
IW_PRIV_SIZE_MASK))
return -E2BIG;
@@ -1704,7 +1703,7 @@ static inline int rtnetlink_private_set(struct net_device * dev,
extra_len = adjust_priv_size(descr->set_args, &wrqu_point);
/* Check if request is self consistent */
- if((request_len - hdr_len) < extra_len) {
+ if ((request_len - hdr_len) < extra_len) {
#ifdef WE_RTNETLINK_DEBUG
printk(KERN_DEBUG "%s (WE.r) : Wireless request data too short (%d)\n",
dev->name, extra_size);
@@ -1734,7 +1733,7 @@ static inline int rtnetlink_private_set(struct net_device * dev,
}
/* Call commit handler if needed and defined */
- if(ret == -EIWCOMMIT)
+ if (ret == -EIWCOMMIT)
ret = call_commit_handler(dev);
return ret;
@@ -1756,21 +1755,21 @@ int wireless_rtnetlink_get(struct net_device * dev,
iw_handler handler;
/* Check length */
- if(len < IW_EV_LCP_PK_LEN) {
+ if (len < IW_EV_LCP_PK_LEN) {
printk(KERN_DEBUG "%s (WE.r) : RtNetlink request too short (%d)\n",
dev->name, len);
return -EINVAL;
}
/* ReCheck length (len may have padding) */
- if(request->len > len) {
+ if (request->len > len) {
printk(KERN_DEBUG "%s (WE.r) : RtNetlink request len invalid (%d-%d)\n",
dev->name, request->len, len);
return -EINVAL;
}
/* Only accept GET requests in here */
- if(!IW_IS_GET(request->cmd))
+ if (!IW_IS_GET(request->cmd))
return -EOPNOTSUPP;
/* If command is `get the encoding parameters', check if
@@ -1782,16 +1781,16 @@ int wireless_rtnetlink_get(struct net_device * dev,
}
/* Special cases */
- if(request->cmd == SIOCGIWSTATS)
+ if (request->cmd == SIOCGIWSTATS)
/* Get Wireless Stats */
return rtnetlink_standard_get(dev,
request,
request->len,
&iw_handler_get_iwstats,
p_buf, p_len);
- if(request->cmd == SIOCGIWPRIV) {
+ if (request->cmd == SIOCGIWPRIV) {
/* Check if we have some wireless handlers defined */
- if(dev->wireless_handlers == NULL)
+ if (dev->wireless_handlers == NULL)
return -EOPNOTSUPP;
/* Get Wireless Stats */
return rtnetlink_standard_get(dev,
@@ -1807,9 +1806,9 @@ int wireless_rtnetlink_get(struct net_device * dev,
/* Try to find the handler */
handler = get_handler(dev, request->cmd);
- if(handler != NULL) {
+ if (handler != NULL) {
/* Standard and private are not the same */
- if(request->cmd < SIOCIWFIRSTPRIV)
+ if (request->cmd < SIOCIWFIRSTPRIV)
return rtnetlink_standard_get(dev,
request,
request->len,
@@ -1840,21 +1839,21 @@ int wireless_rtnetlink_set(struct net_device * dev,
iw_handler handler;
/* Check length */
- if(len < IW_EV_LCP_PK_LEN) {
+ if (len < IW_EV_LCP_PK_LEN) {
printk(KERN_DEBUG "%s (WE.r) : RtNetlink request too short (%d)\n",
dev->name, len);
return -EINVAL;
}
/* ReCheck length (len may have padding) */
- if(request->len > len) {
+ if (request->len > len) {
printk(KERN_DEBUG "%s (WE.r) : RtNetlink request len invalid (%d-%d)\n",
dev->name, request->len, len);
return -EINVAL;
}
/* Only accept SET requests in here */
- if(!IW_IS_SET(request->cmd))
+ if (!IW_IS_SET(request->cmd))
return -EOPNOTSUPP;
/* Basic check */
@@ -1863,9 +1862,9 @@ int wireless_rtnetlink_set(struct net_device * dev,
/* New driver API : try to find the handler */
handler = get_handler(dev, request->cmd);
- if(handler != NULL) {
+ if (handler != NULL) {
/* Standard and private are not the same */
- if(request->cmd < SIOCIWFIRSTPRIV)
+ if (request->cmd < SIOCIWFIRSTPRIV)
return rtnetlink_standard_set(dev,
request,
request->len,
@@ -2015,17 +2014,17 @@ void wireless_send_event(struct net_device * dev,
unsigned cmd_index; /* *MUST* be unsigned */
/* Get the description of the Event */
- if(cmd <= SIOCIWLAST) {
+ if (cmd <= SIOCIWLAST) {
cmd_index = cmd - SIOCIWFIRST;
- if(cmd_index < standard_ioctl_num)
+ if (cmd_index < standard_ioctl_num)
descr = &(standard_ioctl[cmd_index]);
} else {
cmd_index = cmd - IWEVFIRST;
- if(cmd_index < standard_event_num)
+ if (cmd_index < standard_event_num)
descr = &(standard_event[cmd_index]);
}
/* Don't accept unknown events */
- if(descr == NULL) {
+ if (descr == NULL) {
/* Note : we don't return an error to the driver, because
* the driver would not know what to do about it. It can't
* return an error to the user, because the event is not
@@ -2044,18 +2043,18 @@ void wireless_send_event(struct net_device * dev,
#endif /* WE_EVENT_DEBUG */
/* Check extra parameters and set extra_len */
- if(descr->header_type == IW_HEADER_TYPE_POINT) {
+ if (descr->header_type == IW_HEADER_TYPE_POINT) {
/* Check if number of token fits within bounds */
- if(wrqu->data.length > descr->max_tokens) {
+ if (wrqu->data.length > descr->max_tokens) {
printk(KERN_ERR "%s (WE) : Wireless Event too big (%d)\n", dev->name, wrqu->data.length);
return;
}
- if(wrqu->data.length < descr->min_tokens) {
+ if (wrqu->data.length < descr->min_tokens) {
printk(KERN_ERR "%s (WE) : Wireless Event too small (%d)\n", dev->name, wrqu->data.length);
return;
}
/* Calculate extra_len - extra is NULL for restricted events */
- if(extra != NULL)
+ if (extra != NULL)
extra_len = wrqu->data.length * descr->token_size;
/* Always at an offset in wrqu */
wrqu_off = IW_EV_POINT_OFF;
@@ -2074,14 +2073,14 @@ void wireless_send_event(struct net_device * dev,
/* Create temporary buffer to hold the event */
event = kmalloc(event_len, GFP_ATOMIC);
- if(event == NULL)
+ if (event == NULL)
return;
/* Fill event */
event->len = event_len;
event->cmd = cmd;
memcpy(&event->u, ((char *) wrqu) + wrqu_off, hdr_len - IW_EV_LCP_LEN);
- if(extra != NULL)
+ if (extra != NULL)
memcpy(((char *) event) + hdr_len, extra, extra_len);
#ifdef WE_EVENT_RTNETLINK
@@ -2116,7 +2115,7 @@ void wireless_send_event(struct net_device * dev,
static inline struct iw_spy_data * get_spydata(struct net_device *dev)
{
/* This is the new way */
- if(dev->wireless_data)
+ if (dev->wireless_data)
return(dev->wireless_data->spy_data);
return NULL;
}
@@ -2134,7 +2133,7 @@ int iw_handler_set_spy(struct net_device * dev,
struct sockaddr * address = (struct sockaddr *) extra;
/* Make sure driver is not buggy or using the old API */
- if(!spydata)
+ if (!spydata)
return -EOPNOTSUPP;
/* Disable spy collection while we copy the addresses.
@@ -2151,11 +2150,11 @@ int iw_handler_set_spy(struct net_device * dev,
smp_wmb();
/* Are there are addresses to copy? */
- if(wrqu->data.length > 0) {
+ if (wrqu->data.length > 0) {
int i;
/* Copy addresses */
- for(i = 0; i < wrqu->data.length; i++)
+ for (i = 0; i < wrqu->data.length; i++)
memcpy(spydata->spy_address[i], address[i].sa_data,
ETH_ALEN);
/* Reset stats */
@@ -2199,23 +2198,23 @@ int iw_handler_get_spy(struct net_device * dev,
int i;
/* Make sure driver is not buggy or using the old API */
- if(!spydata)
+ if (!spydata)
return -EOPNOTSUPP;
wrqu->data.length = spydata->spy_number;
/* Copy addresses. */
- for(i = 0; i < spydata->spy_number; i++) {
+ for (i = 0; i < spydata->spy_number; i++) {
memcpy(address[i].sa_data, spydata->spy_address[i], ETH_ALEN);
address[i].sa_family = AF_UNIX;
}
/* Copy stats to the user buffer (just after). */
- if(spydata->spy_number > 0)
+ if (spydata->spy_number > 0)
memcpy(extra + (sizeof(struct sockaddr) *spydata->spy_number),
spydata->spy_stat,
sizeof(struct iw_quality) * spydata->spy_number);
/* Reset updated flags. */
- for(i = 0; i < spydata->spy_number; i++)
+ for (i = 0; i < spydata->spy_number; i++)
spydata->spy_stat[i].updated &= ~IW_QUAL_ALL_UPDATED;
return 0;
}
@@ -2233,7 +2232,7 @@ int iw_handler_set_thrspy(struct net_device * dev,
struct iw_thrspy * threshold = (struct iw_thrspy *) extra;
/* Make sure driver is not buggy or using the old API */
- if(!spydata)
+ if (!spydata)
return -EOPNOTSUPP;
/* Just do it */
@@ -2263,7 +2262,7 @@ int iw_handler_get_thrspy(struct net_device * dev,
struct iw_thrspy * threshold = (struct iw_thrspy *) extra;
/* Make sure driver is not buggy or using the old API */
- if(!spydata)
+ if (!spydata)
return -EOPNOTSUPP;
/* Just do it */
@@ -2327,7 +2326,7 @@ void wireless_spy_update(struct net_device * dev,
int match = -1;
/* Make sure driver is not buggy or using the old API */
- if(!spydata)
+ if (!spydata)
return;
#ifdef WE_SPY_DEBUG
@@ -2335,8 +2334,8 @@ void wireless_spy_update(struct net_device * dev,
#endif /* WE_SPY_DEBUG */
/* Update all records that match */
- for(i = 0; i < spydata->spy_number; i++)
- if(!compare_ether_addr(address, spydata->spy_address[i])) {
+ for (i = 0; i < spydata->spy_number; i++)
+ if (!compare_ether_addr(address, spydata->spy_address[i])) {
memcpy(&(spydata->spy_stat[i]), wstats,
sizeof(struct iw_quality));
match = i;
@@ -2346,15 +2345,15 @@ void wireless_spy_update(struct net_device * dev,
* To avoid event storms, we have a simple hysteresis : we generate
* event only when we go under the low threshold or above the
* high threshold. */
- if(match >= 0) {
- if(spydata->spy_thr_under[match]) {
- if(wstats->level > spydata->spy_thr_high.level) {
+ if (match >= 0) {
+ if (spydata->spy_thr_under[match]) {
+ if (wstats->level > spydata->spy_thr_high.level) {
spydata->spy_thr_under[match] = 0;
iw_send_thrspy_event(dev, spydata,
address, wstats);
}
} else {
- if(wstats->level < spydata->spy_thr_low.level) {
+ if (wstats->level < spydata->spy_thr_low.level) {
spydata->spy_thr_under[match] = 1;
iw_send_thrspy_event(dev, spydata,
address, wstats);

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