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[PATCH] ieee80211: export list of bit rates with standard WEXT procddures 

The patch replace the way to export the list of bit rates in scan results
from IWEVCUSTOM to SIOCGIWRATE. It also removes the max_rate item exported
with SIOCGIWRATE since this should be done by userspace.

Signed-off-by: Jean Tourrilhes <jt@hpl.hp.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Zhu Yi 2006-04-13 17:17:26 +08:00 committed by John W. Linville
parent 73858062b6
commit 09593047d8
1 changed files with 20 additions and 22 deletions
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42
net/ieee80211/ieee80211_wx.c
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@ -50,7 +50,8 @@ static char *ieee80211_translate_scan(struct ieee80211_device *ieee,
char *p;
struct iw_event iwe;
int i, j;
u8 max_rate, rate;
char *current_val; /* For rates */
u8 rate;
/* First entry *MUST* be the AP MAC address */
iwe.cmd = SIOCGIWAP;
@ -107,9 +108,13 @@ static char *ieee80211_translate_scan(struct ieee80211_device *ieee,
start = iwe_stream_add_point(start, stop, &iwe, network->ssid);
/* Add basic and extended rates */
max_rate = 0;
p = custom;
p += snprintf(p, MAX_CUSTOM_LEN - (p - custom), " Rates (Mb/s): ");
/* Rate : stuffing multiple values in a single event require a bit
* more of magic - Jean II */
current_val = start + IW_EV_LCP_LEN;
iwe.cmd = SIOCGIWRATE;
/* Those two flags are ignored... */
iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
for (i = 0, j = 0; i < network->rates_len;) {
if (j < network->rates_ex_len &&
((network->rates_ex[j] & 0x7F) <
@ -117,28 +122,21 @@ static char *ieee80211_translate_scan(struct ieee80211_device *ieee,
rate = network->rates_ex[j++] & 0x7F;
else
rate = network->rates[i++] & 0x7F;
if (rate > max_rate)
max_rate = rate;
p += snprintf(p, MAX_CUSTOM_LEN - (p - custom),
"%d%s ", rate >> 1, (rate & 1) ? ".5" : "");
/* Bit rate given in 500 kb/s units (+ 0x80) */
iwe.u.bitrate.value = ((rate & 0x7f) * 500000);
/* Add new value to event */
current_val = iwe_stream_add_value(start, current_val, stop, &iwe, IW_EV_PARAM_LEN);
}
for (; j < network->rates_ex_len; j++) {
rate = network->rates_ex[j] & 0x7F;
p += snprintf(p, MAX_CUSTOM_LEN - (p - custom),
"%d%s ", rate >> 1, (rate & 1) ? ".5" : "");
if (rate > max_rate)
max_rate = rate;
/* Bit rate given in 500 kb/s units (+ 0x80) */
iwe.u.bitrate.value = ((rate & 0x7f) * 500000);
/* Add new value to event */
current_val = iwe_stream_add_value(start, current_val, stop, &iwe, IW_EV_PARAM_LEN);
}
iwe.cmd = SIOCGIWRATE;
iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
iwe.u.bitrate.value = max_rate * 500000;
start = iwe_stream_add_event(start, stop, &iwe, IW_EV_PARAM_LEN);
iwe.cmd = IWEVCUSTOM;
iwe.u.data.length = p - custom;
if (iwe.u.data.length)
start = iwe_stream_add_point(start, stop, &iwe, custom);
/* Check if we added any rate */
if((current_val - start) > IW_EV_LCP_LEN)
start = current_val;
/* Add quality statistics */
iwe.cmd = IWEVQUAL;