diff options
Diffstat (limited to 'drivers/staging/wlags49_h2/wl_sysfs.c')
| -rw-r--r-- | drivers/staging/wlags49_h2/wl_sysfs.c | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/drivers/staging/wlags49_h2/wl_sysfs.c b/drivers/staging/wlags49_h2/wl_sysfs.c new file mode 100644 index 000000000000..864e01a736c8 --- /dev/null +++ b/drivers/staging/wlags49_h2/wl_sysfs.c @@ -0,0 +1,135 @@ +/* + * ex: sw=4 + */ + +#include <linux/kernel.h> +#include <linux/netdevice.h> +#include <linux/if_arp.h> +#include <net/sock.h> +#include <linux/rtnetlink.h> +#include <linux/wireless.h> +#include <net/iw_handler.h> +#include <linux/sysfs.h> + +#include <debug.h> +#include <hcf.h> +#include <hcfdef.h> + +#include <wl_if.h> +#include <wl_internal.h> +#include <wl_util.h> +#include <wl_main.h> +#include <wl_wext.h> +#include <wl_priv.h> + +static inline int dev_isalive(const struct net_device *dev) +{ + return dev->reg_state == NETREG_REGISTERED; +} + +/* + * empirically even if tallies are defined as 32 bits entities, only + * high 16 bits are relevant; low half is always zero. It means tallies + * are pretty much useless for traffic counting but at least give overview + * about where error come from + */ +static ssize_t show_tallies(struct device *d, struct device_attribute *attr, + char *buf) +{ + struct net_device *dev = to_net_dev(d); + struct wl_private *lp = wl_priv(dev); + unsigned long flags; + CFG_HERMES_TALLIES_STRCT tallies; + ssize_t ret = -EINVAL; + + read_lock(&dev_base_lock); + if (dev_isalive(dev)) { + wl_lock(lp, &flags); + + if ((ret = wl_get_tallies(lp, &tallies)) == 0) { + wl_unlock(lp, &flags); + ret = snprintf(buf, PAGE_SIZE, + "TxUnicastFrames: %u\n" + "TxMulticastFrames: %u\n" + "TxFragments: %u\n" + "TxUnicastOctets: %u\n" + "TxMulticastOctets: %u\n" + "TxDeferredTransmissions: %u\n" + "TxSingleRetryFrames: %u\n" + "TxMultipleRetryFrames: %u\n" + "TxRetryLimitExceeded: %u\n" + "TxDiscards: %u\n" + "RxUnicastFrames: %u\n" + "RxMulticastFrames: %u\n" + "RxFragments: %u\n" + "RxUnicastOctets: %u\n" + "RxMulticastOctets: %u\n" + "RxFCSErrors: %u\n" + "RxDiscardsNoBuffer: %u\n" + "TxDiscardsWrongSA: %u\n" + "RxWEPUndecryptable: %u\n" + "RxMsgInMsgFragments: %u\n" + "RxMsgInBadMsgFragments: %u\n" + "RxDiscardsWEPICVError: %u\n" + "RxDiscardsWEPExcluded: %u\n" + , + (unsigned int)tallies.TxUnicastFrames, + (unsigned int)tallies.TxMulticastFrames, + (unsigned int)tallies.TxFragments, + (unsigned int)tallies.TxUnicastOctets, + (unsigned int)tallies.TxMulticastOctets, + (unsigned int)tallies.TxDeferredTransmissions, + (unsigned int)tallies.TxSingleRetryFrames, + (unsigned int)tallies.TxMultipleRetryFrames, + (unsigned int)tallies.TxRetryLimitExceeded, + (unsigned int)tallies.TxDiscards, + (unsigned int)tallies.RxUnicastFrames, + (unsigned int)tallies.RxMulticastFrames, + (unsigned int)tallies.RxFragments, + (unsigned int)tallies.RxUnicastOctets, + (unsigned int)tallies.RxMulticastOctets, + (unsigned int)tallies.RxFCSErrors, + (unsigned int)tallies.RxDiscardsNoBuffer, + (unsigned int)tallies.TxDiscardsWrongSA, + (unsigned int)tallies.RxWEPUndecryptable, + (unsigned int)tallies.RxMsgInMsgFragments, + (unsigned int)tallies.RxMsgInBadMsgFragments, + (unsigned int)tallies.RxDiscardsWEPICVError, + (unsigned int)tallies.RxDiscardsWEPExcluded); + } else { + wl_unlock( lp, &flags ); + } + } + + read_unlock(&dev_base_lock); + return ret; +} + +static DEVICE_ATTR(tallies, S_IRUGO, show_tallies, NULL); + +static struct attribute *wlags_attrs[] = { + &dev_attr_tallies.attr, + NULL +}; + +static struct attribute_group wlags_group = { + .name = "wlags", + .attrs = wlags_attrs, +}; + +void register_wlags_sysfs(struct net_device *net) +{ + struct device *dev = &(net->dev); + struct wl_private *lp = wl_priv(net); + + lp->sysfsCreated = sysfs_create_group(&dev->kobj, &wlags_group); +} + +void unregister_wlags_sysfs(struct net_device *net) +{ + struct device *dev = &(net->dev); + struct wl_private *lp = wl_priv(net); + + if (lp->sysfsCreated) + sysfs_remove_group(&dev->kobj, &wlags_group); +} |