[PATCH] hostap update
Cleaned up scan result processing by converting struct
hfa384x_scan_result into struct hfa384x_hostscan_result. This removes
special cases from result processing since the results are only used
in one, hostscan, format.
Signed-off-by: Jouni Malinen <jkmaline@cc.hut.fi>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
diff --git a/drivers/net/wireless/hostap/hostap_info.c b/drivers/net/wireless/hostap/hostap_info.c
index cf9e089..6ca9491 100644
--- a/drivers/net/wireless/hostap/hostap_info.c
+++ b/drivers/net/wireless/hostap/hostap_info.c
@@ -160,7 +160,7 @@
{
struct hfa384x_join_request req;
struct net_device *dev = local->dev;
- struct hfa384x_scan_result *selected, *entry;
+ struct hfa384x_hostscan_result *selected, *entry;
int i;
unsigned long flags;
@@ -244,9 +244,10 @@
int left)
{
u16 *pos;
- int new_count;
+ int new_count, i;
unsigned long flags;
- struct hfa384x_scan_result *results, *prev;
+ struct hfa384x_scan_result *res;
+ struct hfa384x_hostscan_result *results, *prev;
if (left < 4) {
printk(KERN_DEBUG "%s: invalid scanresult info frame "
@@ -260,11 +261,18 @@
left -= 4;
new_count = left / sizeof(struct hfa384x_scan_result);
- results = kmalloc(new_count * sizeof(struct hfa384x_scan_result),
+ results = kmalloc(new_count * sizeof(struct hfa384x_hostscan_result),
GFP_ATOMIC);
if (results == NULL)
return;
- memcpy(results, pos, new_count * sizeof(struct hfa384x_scan_result));
+
+ /* Convert to hostscan result format. */
+ res = (struct hfa384x_scan_result *) pos;
+ for (i = 0; i < new_count; i++) {
+ memcpy(&results[i], &res[i],
+ sizeof(struct hfa384x_scan_result));
+ results[i].atim = 0;
+ }
spin_lock_irqsave(&local->lock, flags);
local->last_scan_type = PRISM2_SCAN;
@@ -335,9 +343,9 @@
spin_lock_irqsave(&local->lock, flags);
local->last_scan_type = PRISM2_HOSTSCAN;
- prev = local->last_hostscan_results;
- local->last_hostscan_results = results;
- local->last_hostscan_results_count = new_count;
+ prev = local->last_scan_results;
+ local->last_scan_results = results;
+ local->last_scan_results_count = new_count;
spin_unlock_irqrestore(&local->lock, flags);
kfree(prev);
diff --git a/drivers/net/wireless/hostap/hostap_ioctl.c b/drivers/net/wireless/hostap/hostap_ioctl.c
index 4c236e7..9783619 100644
--- a/drivers/net/wireless/hostap/hostap_ioctl.c
+++ b/drivers/net/wireless/hostap/hostap_ioctl.c
@@ -663,7 +663,7 @@
struct hfa384x_join_request req;
unsigned long flags;
int i;
- struct hfa384x_scan_result *entry;
+ struct hfa384x_hostscan_result *entry;
iface = netdev_priv(dev);
local = iface->local;
@@ -1795,10 +1795,8 @@
#ifndef PRISM2_NO_STATION_MODES
static char * __prism2_translate_scan(local_info_t *local,
- struct hfa384x_scan_result *scan,
- struct hfa384x_hostscan_result *hscan,
- int hostscan,
- struct hostap_bss_info *bss, u8 *bssid,
+ struct hfa384x_hostscan_result *scan,
+ struct hostap_bss_info *bss,
char *current_ev, char *end_buf)
{
int i, chan;
@@ -1806,17 +1804,18 @@
char *current_val;
u16 capabilities;
u8 *pos;
- u8 *ssid;
+ u8 *ssid, *bssid;
size_t ssid_len;
char *buf;
if (bss) {
ssid = bss->ssid;
ssid_len = bss->ssid_len;
+ bssid = bss->bssid;
} else {
- ssid = hostscan ? hscan->ssid : scan->ssid;
- ssid_len = le16_to_cpu(hostscan ? hscan->ssid_len :
- scan->ssid_len);
+ ssid = scan->ssid;
+ ssid_len = le16_to_cpu(scan->ssid_len);
+ bssid = scan->bssid;
}
if (ssid_len > 32)
ssid_len = 32;
@@ -1850,8 +1849,7 @@
if (bss) {
capabilities = bss->capab_info;
} else {
- capabilities = le16_to_cpu(hostscan ? hscan->capability :
- scan->capability);
+ capabilities = le16_to_cpu(scan->capability);
}
if (capabilities & (WLAN_CAPABILITY_ESS |
WLAN_CAPABILITY_IBSS)) {
@@ -1866,8 +1864,8 @@
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = SIOCGIWFREQ;
- if (hscan || scan) {
- chan = hostscan ? hscan->chid : scan->chid;
+ if (scan) {
+ chan = scan->chid;
} else if (bss) {
chan = bss->chan;
} else {
@@ -1882,12 +1880,12 @@
IW_EV_FREQ_LEN);
}
- if (scan || hscan) {
+ if (scan) {
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = IWEVQUAL;
- if (hostscan) {
- iwe.u.qual.level = le16_to_cpu(hscan->sl);
- iwe.u.qual.noise = le16_to_cpu(hscan->anl);
+ if (local->last_scan_type == PRISM2_HOSTSCAN) {
+ iwe.u.qual.level = le16_to_cpu(scan->sl);
+ iwe.u.qual.noise = le16_to_cpu(scan->anl);
} else {
iwe.u.qual.level =
HFA384X_LEVEL_TO_dBm(le16_to_cpu(scan->sl));
@@ -1910,11 +1908,11 @@
current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, "");
/* TODO: add SuppRates into BSS table */
- if (scan || hscan) {
+ if (scan) {
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = SIOCGIWRATE;
current_val = current_ev + IW_EV_LCP_LEN;
- pos = hostscan ? hscan->sup_rates : scan->sup_rates;
+ pos = scan->sup_rates;
for (i = 0; i < sizeof(scan->sup_rates); i++) {
if (pos[i] == 0)
break;
@@ -1931,29 +1929,26 @@
/* TODO: add BeaconInt,resp_rate,atim into BSS table */
buf = kmalloc(MAX_WPA_IE_LEN * 2 + 30, GFP_KERNEL);
- if (buf && (scan || hscan)) {
+ if (buf && scan) {
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = IWEVCUSTOM;
- sprintf(buf, "bcn_int=%d",
- le16_to_cpu(hostscan ? hscan->beacon_interval :
- scan->beacon_interval));
+ sprintf(buf, "bcn_int=%d", le16_to_cpu(scan->beacon_interval));
iwe.u.data.length = strlen(buf);
current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe,
buf);
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = IWEVCUSTOM;
- sprintf(buf, "resp_rate=%d", le16_to_cpu(hostscan ?
- hscan->rate :
- scan->rate));
+ sprintf(buf, "resp_rate=%d", le16_to_cpu(scan->rate));
iwe.u.data.length = strlen(buf);
current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe,
buf);
- if (hostscan && (capabilities & WLAN_CAPABILITY_IBSS)) {
+ if (local->last_scan_type == PRISM2_HOSTSCAN &&
+ (capabilities & WLAN_CAPABILITY_IBSS)) {
memset(&iwe, 0, sizeof(iwe));
iwe.cmd = IWEVCUSTOM;
- sprintf(buf, "atim=%d", le16_to_cpu(hscan->atim));
+ sprintf(buf, "atim=%d", le16_to_cpu(scan->atim));
iwe.u.data.length = strlen(buf);
current_ev = iwe_stream_add_point(current_ev, end_buf,
&iwe, buf);
@@ -1986,12 +1981,10 @@
static inline int prism2_translate_scan(local_info_t *local,
char *buffer, int buflen)
{
- struct hfa384x_scan_result *scan;
- struct hfa384x_hostscan_result *hscan;
- int entries, entry, hostscan;
+ struct hfa384x_hostscan_result *scan;
+ int entry, hostscan;
char *current_ev = buffer;
char *end_buf = buffer + buflen;
- u8 *bssid;
struct list_head *ptr;
spin_lock_bh(&local->lock);
@@ -2003,14 +1996,9 @@
}
hostscan = local->last_scan_type == PRISM2_HOSTSCAN;
- entries = hostscan ? local->last_hostscan_results_count :
- local->last_scan_results_count;
- for (entry = 0; entry < entries; entry++) {
+ for (entry = 0; entry < local->last_scan_results_count; entry++) {
int found = 0;
scan = &local->last_scan_results[entry];
- hscan = &local->last_hostscan_results[entry];
-
- bssid = hostscan ? hscan->bssid : scan->bssid;
/* Report every SSID if the AP is using multiple SSIDs. If no
* BSS record is found (e.g., when WPA mode is disabled),
@@ -2018,18 +2006,16 @@
list_for_each(ptr, &local->bss_list) {
struct hostap_bss_info *bss;
bss = list_entry(ptr, struct hostap_bss_info, list);
- if (memcmp(bss->bssid, bssid, ETH_ALEN) == 0) {
+ if (memcmp(bss->bssid, scan->bssid, ETH_ALEN) == 0) {
bss->included = 1;
current_ev = __prism2_translate_scan(
- local, scan, hscan, hostscan, bss,
- bssid, current_ev, end_buf);
+ local, scan, bss, current_ev, end_buf);
found++;
}
}
if (!found) {
current_ev = __prism2_translate_scan(
- local, scan, hscan, hostscan, NULL, bssid,
- current_ev, end_buf);
+ local, scan, NULL, current_ev, end_buf);
}
/* Check if there is space for one more entry */
if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) {
@@ -2047,9 +2033,8 @@
bss = list_entry(ptr, struct hostap_bss_info, list);
if (bss->included)
continue;
- current_ev = __prism2_translate_scan(local, NULL, NULL, 0, bss,
- bss->bssid, current_ev,
- end_buf);
+ current_ev = __prism2_translate_scan(local, NULL, bss,
+ current_ev, end_buf);
/* Check if there is space for one more entry */
if ((end_buf - current_ev) <= IW_EV_ADDR_LEN) {
/* Ask user space to try again with a bigger buffer */
diff --git a/drivers/net/wireless/hostap/hostap_proc.c b/drivers/net/wireless/hostap/hostap_proc.c
index 81b321b..a0a4cbd 100644
--- a/drivers/net/wireless/hostap/hostap_proc.c
+++ b/drivers/net/wireless/hostap/hostap_proc.c
@@ -302,20 +302,15 @@
{
char *p = page;
local_info_t *local = (local_info_t *) data;
- int entries, entry, i, len, total = 0, hostscan;
- struct hfa384x_scan_result *scanres;
- struct hfa384x_hostscan_result *hscanres;
+ int entry, i, len, total = 0;
+ struct hfa384x_hostscan_result *scanres;
u8 *pos;
p += sprintf(p, "CHID ANL SL BcnInt Capab Rate BSSID ATIM SupRates "
"SSID\n");
spin_lock_bh(&local->lock);
- hostscan = local->last_scan_type == PRISM2_HOSTSCAN;
- entries = hostscan ? local->last_hostscan_results_count :
- local->last_scan_results_count;
- for (entry = 0; entry < entries; entry++) {
- hscanres = &local->last_hostscan_results[entry];
+ for (entry = 0; entry < local->last_scan_results_count; entry++) {
scanres = &local->last_scan_results[entry];
if (total + (p - page) <= off) {
@@ -327,39 +322,26 @@
if ((p - page) > (PAGE_SIZE - 200))
break;
- if (hostscan) {
- p += sprintf(p, "%d %d %d %d 0x%02x %d " MACSTR " %d ",
- le16_to_cpu(hscanres->chid),
- (s16) le16_to_cpu(hscanres->anl),
- (s16) le16_to_cpu(hscanres->sl),
- le16_to_cpu(hscanres->beacon_interval),
- le16_to_cpu(hscanres->capability),
- le16_to_cpu(hscanres->rate),
- MAC2STR(hscanres->bssid),
- le16_to_cpu(hscanres->atim));
- } else {
- p += sprintf(p, "%d %d %d %d 0x%02x %d " MACSTR
- " N/A ",
- le16_to_cpu(scanres->chid),
- (s16) le16_to_cpu(scanres->anl),
- (s16) le16_to_cpu(scanres->sl),
- le16_to_cpu(scanres->beacon_interval),
- le16_to_cpu(scanres->capability),
- le16_to_cpu(scanres->rate),
- MAC2STR(scanres->bssid));
- }
+ p += sprintf(p, "%d %d %d %d 0x%02x %d " MACSTR " %d ",
+ le16_to_cpu(scanres->chid),
+ (s16) le16_to_cpu(scanres->anl),
+ (s16) le16_to_cpu(scanres->sl),
+ le16_to_cpu(scanres->beacon_interval),
+ le16_to_cpu(scanres->capability),
+ le16_to_cpu(scanres->rate),
+ MAC2STR(scanres->bssid),
+ le16_to_cpu(scanres->atim));
- pos = hostscan ? hscanres->sup_rates : scanres->sup_rates;
- for (i = 0; i < sizeof(hscanres->sup_rates); i++) {
+ pos = scanres->sup_rates;
+ for (i = 0; i < sizeof(scanres->sup_rates); i++) {
if (pos[i] == 0)
break;
p += sprintf(p, "<%02x>", pos[i]);
}
p += sprintf(p, " ");
- pos = hostscan ? hscanres->ssid : scanres->ssid;
- len = le16_to_cpu(hostscan ? hscanres->ssid_len :
- scanres->ssid_len);
+ pos = scanres->ssid;
+ len = le16_to_cpu(scanres->ssid_len);
if (len > 32)
len = 32;
for (i = 0; i < len; i++) {
diff --git a/drivers/net/wireless/hostap/hostap_wlan.h b/drivers/net/wireless/hostap/hostap_wlan.h
index 91beee5..03de0ea 100644
--- a/drivers/net/wireless/hostap/hostap_wlan.h
+++ b/drivers/net/wireless/hostap/hostap_wlan.h
@@ -824,10 +824,8 @@
int host_roaming;
unsigned long last_join_time; /* time of last JoinRequest */
- struct hfa384x_scan_result *last_scan_results;
+ struct hfa384x_hostscan_result *last_scan_results;
int last_scan_results_count;
- struct hfa384x_hostscan_result *last_hostscan_results;
- int last_hostscan_results_count;
enum { PRISM2_SCAN, PRISM2_HOSTSCAN } last_scan_type;
struct work_struct info_queue;
long pending_info; /* bit field of pending info_queue items */
