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

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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;