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[PATCH] orinoco: WE-18 support
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Author: Jean Tourrilhes <jt@hpl.hp.com>
Signed-off-by: Pavel Roskin <proski@gnu.org>

Use new Wireless Extension API for wireless stats.
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
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Pavel Roskin authored and Jeff Garzik committed Sep 14, 2005
1 parent b81e8e1 commit 343c686
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Showing 2 changed files with 33 additions and 110 deletions.
137 changes: 30 additions & 107 deletions drivers/net/wireless/orinoco.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -137,7 +137,7 @@ MODULE_PARM_DESC(force_monitor, "Allow monitor mode for all firmware versions");

/* We do this this way to avoid ifdefs in the actual code */
#ifdef WIRELESS_SPY
#define SPY_NUMBER(priv) (priv->spy_number)
#define SPY_NUMBER(priv) (priv->spy_data.spy_number)
#else
#define SPY_NUMBER(priv) 0
#endif /* WIRELESS_SPY */
Expand Down Expand Up @@ -396,10 +396,10 @@ static struct iw_statistics *orinoco_get_wireless_stats(struct net_device *dev)
/* If a spy address is defined, we report stats of the
* first spy address - Jean II */
if (SPY_NUMBER(priv)) {
wstats->qual.qual = priv->spy_stat[0].qual;
wstats->qual.level = priv->spy_stat[0].level;
wstats->qual.noise = priv->spy_stat[0].noise;
wstats->qual.updated = priv->spy_stat[0].updated;
wstats->qual.qual = priv->spy_data.spy_stat[0].qual;
wstats->qual.level = priv->spy_data.spy_stat[0].level;
wstats->qual.noise = priv->spy_data.spy_stat[0].noise;
wstats->qual.updated = priv->spy_data.spy_stat[0].updated;
}
} else {
struct {
Expand Down Expand Up @@ -718,18 +718,13 @@ static inline int is_ethersnap(void *_hdr)
static inline void orinoco_spy_gather(struct net_device *dev, u_char *mac,
int level, int noise)
{
struct orinoco_private *priv = netdev_priv(dev);
int i;

/* Gather wireless spy statistics: for each packet, compare the
* source address with out list, and if match, get the stats... */
for (i = 0; i < priv->spy_number; i++)
if (!memcmp(mac, priv->spy_address[i], ETH_ALEN)) {
priv->spy_stat[i].level = level - 0x95;
priv->spy_stat[i].noise = noise - 0x95;
priv->spy_stat[i].qual = (level > noise) ? (level - noise) : 0;
priv->spy_stat[i].updated = 7;
}
struct iw_quality wstats;
wstats.level = level - 0x95;
wstats.noise = noise - 0x95;
wstats.qual = (level > noise) ? (level - noise) : 0;
wstats.updated = 7;
/* Update spy records */
wireless_spy_update(dev, mac, &wstats);
}

static void orinoco_stat_gather(struct net_device *dev,
Expand Down Expand Up @@ -2458,8 +2453,11 @@ struct net_device *alloc_orinocodev(int sizeof_card,
dev->watchdog_timeo = HZ; /* 1 second timeout */
dev->get_stats = orinoco_get_stats;
dev->ethtool_ops = &orinoco_ethtool_ops;
dev->get_wireless_stats = orinoco_get_wireless_stats;
dev->wireless_handlers = (struct iw_handler_def *)&orinoco_handler_def;
#ifdef WIRELESS_SPY
priv->wireless_data.spy_data = &priv->spy_data;
dev->wireless_data = &priv->wireless_data;
#endif
dev->change_mtu = orinoco_change_mtu;
dev->set_multicast_list = orinoco_set_multicast_list;
/* we use the default eth_mac_addr for setting the MAC addr */
Expand Down Expand Up @@ -2831,7 +2829,7 @@ static int orinoco_ioctl_getiwrange(struct net_device *dev,
}
}

if ((priv->iw_mode == IW_MODE_ADHOC) && (priv->spy_number == 0)){
if ((priv->iw_mode == IW_MODE_ADHOC) && (!SPY_NUMBER(priv))){
/* Quality stats meaningless in ad-hoc mode */
} else {
range->max_qual.qual = 0x8b - 0x2f;
Expand Down Expand Up @@ -2878,6 +2876,14 @@ static int orinoco_ioctl_getiwrange(struct net_device *dev,
range->min_r_time = 0;
range->max_r_time = 65535 * 1000; /* ??? */

/* Event capability (kernel) */
IW_EVENT_CAPA_SET_KERNEL(range->event_capa);
/* Event capability (driver) */
IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWTHRSPY);
IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWAP);
IW_EVENT_CAPA_SET(range->event_capa, SIOCGIWSCAN);
IW_EVENT_CAPA_SET(range->event_capa, IWEVTXDROP);

TRACE_EXIT(dev->name);

return 0;
Expand Down Expand Up @@ -3837,92 +3843,6 @@ static int orinoco_ioctl_getrid(struct net_device *dev,
return err;
}

/* Spy is used for link quality/strength measurements in Ad-Hoc mode
* Jean II */
static int orinoco_ioctl_setspy(struct net_device *dev,
struct iw_request_info *info,
struct iw_point *srq,
char *extra)

{
struct orinoco_private *priv = netdev_priv(dev);
struct sockaddr *address = (struct sockaddr *) extra;
int number = srq->length;
int i;
unsigned long flags;

/* Make sure nobody mess with the structure while we do */
if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;

/* orinoco_lock() doesn't disable interrupts, so make sure the
* interrupt rx path don't get confused while we copy */
priv->spy_number = 0;

if (number > 0) {
/* Extract the addresses */
for (i = 0; i < number; i++)
memcpy(priv->spy_address[i], address[i].sa_data,
ETH_ALEN);
/* Reset stats */
memset(priv->spy_stat, 0,
sizeof(struct iw_quality) * IW_MAX_SPY);
/* Set number of addresses */
priv->spy_number = number;
}

/* Now, let the others play */
orinoco_unlock(priv, &flags);

/* Do NOT call commit handler */
return 0;
}

static int orinoco_ioctl_getspy(struct net_device *dev,
struct iw_request_info *info,
struct iw_point *srq,
char *extra)
{
struct orinoco_private *priv = netdev_priv(dev);
struct sockaddr *address = (struct sockaddr *) extra;
int number;
int i;
unsigned long flags;

if (orinoco_lock(priv, &flags) != 0)
return -EBUSY;

number = priv->spy_number;
/* Create address struct */
for (i = 0; i < number; i++) {
memcpy(address[i].sa_data, priv->spy_address[i], ETH_ALEN);
address[i].sa_family = AF_UNIX;
}
if (number > 0) {
/* Create address struct */
for (i = 0; i < number; i++) {
memcpy(address[i].sa_data, priv->spy_address[i],
ETH_ALEN);
address[i].sa_family = AF_UNIX;
}
/* Copy stats */
/* In theory, we should disable irqs while copying the stats
* because the rx path might update it in the middle...
* Bah, who care ? - Jean II */
memcpy(extra + (sizeof(struct sockaddr) * number),
priv->spy_stat, sizeof(struct iw_quality) * number);
}
/* Reset updated flags. */
for (i = 0; i < number; i++)
priv->spy_stat[i].updated = 0;

orinoco_unlock(priv, &flags);

srq->length = number;

return 0;
}

/* Trigger a scan (look for other cells in the vicinity */
static int orinoco_ioctl_setscan(struct net_device *dev,
struct iw_request_info *info,
Expand Down Expand Up @@ -4353,8 +4273,10 @@ static const iw_handler orinoco_handler[] = {
[SIOCSIWSENS -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_setsens,
[SIOCGIWSENS -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_getsens,
[SIOCGIWRANGE -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_getiwrange,
[SIOCSIWSPY -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_setspy,
[SIOCGIWSPY -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_getspy,
[SIOCSIWSPY -SIOCIWFIRST] = (iw_handler) iw_handler_set_spy,
[SIOCGIWSPY -SIOCIWFIRST] = (iw_handler) iw_handler_get_spy,
[SIOCSIWTHRSPY-SIOCIWFIRST] = (iw_handler) iw_handler_set_thrspy,
[SIOCGIWTHRSPY-SIOCIWFIRST] = (iw_handler) iw_handler_get_thrspy,
[SIOCSIWAP -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_setwap,
[SIOCGIWAP -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_getwap,
[SIOCSIWSCAN -SIOCIWFIRST] = (iw_handler) orinoco_ioctl_setscan,
Expand Down Expand Up @@ -4399,6 +4321,7 @@ static const struct iw_handler_def orinoco_handler_def = {
.standard = orinoco_handler,
.private = orinoco_private_handler,
.private_args = orinoco_privtab,
.get_wireless_stats = orinoco_get_wireless_stats,
};

static void orinoco_get_drvinfo(struct net_device *dev,
Expand Down
6 changes: 3 additions & 3 deletions drivers/net/wireless/orinoco.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -13,6 +13,7 @@
#include <linux/spinlock.h>
#include <linux/netdevice.h>
#include <linux/wireless.h>
#include <net/iw_handler.h>
#include <linux/version.h>

#include "hermes.h"
Expand Down Expand Up @@ -112,9 +113,8 @@ struct orinoco_private {
u16 pm_on, pm_mcast, pm_period, pm_timeout;
u16 preamble;
#ifdef WIRELESS_SPY
int spy_number;
u_char spy_address[IW_MAX_SPY][ETH_ALEN];
struct iw_quality spy_stat[IW_MAX_SPY];
struct iw_spy_data spy_data; /* iwspy support */
struct iw_public_data wireless_data;
#endif

/* Configuration dependent variables */
Expand Down

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