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hostapd: Add supported rate information into STATUS and STA 

These allow external programs to determine supported legacy, HT, and VHT
rates of an interface or a STA.

Signed-off-by: Bhagavathi Perumal S <bperumal@qti.qualcomm.com>
This commit is contained in:
Bhagavathi Perumal S 2017-11-03 10:44:15 +05:30 committed by Jouni Malinen
parent 1489fcf87d
commit 0bd7f104c1
1 changed files with 80 additions and 0 deletions
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80
src/ap/ctrl_iface_ap.c
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@ -26,6 +26,30 @@
#include "taxonomy.h"
static size_t hostapd_write_ht_mcs_bitmask(char *buf, size_t buflen,
size_t curr_len, const u8 *mcs_set)
{
int ret;
size_t len = curr_len;
ret = os_snprintf(buf + len, buflen - len,
"ht_mcs_bitmask=");
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
/* 77 first bits (+ 3 reserved bits) */
len += wpa_snprintf_hex(buf + len, buflen - len, mcs_set, 10);
ret = os_snprintf(buf + len, buflen - len, "\n");
if (os_snprintf_error(buflen - len, ret))
return curr_len;
len += ret;
return len;
}
static int hostapd_get_sta_tx_rx(struct hostapd_data *hapd,
struct sta_info *sta,
char *buf, size_t buflen)
@ -111,6 +135,24 @@ static int hostapd_get_sta_tx_rx(struct hostapd_data *hapd,
if (!os_snprintf_error(buflen - len, ret))
len += ret;
if ((sta->flags & WLAN_STA_VHT) && sta->vht_capabilities) {
ret = os_snprintf(buf + len, buflen - len,
"rx_vht_mcs_map=%04x\n"
"tx_vht_mcs_map=%04x\n",
le_to_host16(sta->vht_capabilities->
vht_supported_mcs_set.rx_map),
le_to_host16(sta->vht_capabilities->
vht_supported_mcs_set.tx_map));
if (!os_snprintf_error(buflen - len, ret))
len += ret;
}
if ((sta->flags & WLAN_STA_HT) && sta->ht_capabilities) {
len = hostapd_write_ht_mcs_bitmask(buf, buflen, len,
sta->ht_capabilities->
supported_mcs_set);
}
return len;
}
@ -676,6 +718,19 @@ int hostapd_ctrl_iface_status(struct hostapd_data *hapd, char *buf,
len += ret;
}
if (iface->conf->ieee80211ac && !hapd->conf->disable_11ac && mode) {
u16 rxmap = WPA_GET_LE16(&mode->vht_mcs_set[0]);
u16 txmap = WPA_GET_LE16(&mode->vht_mcs_set[4]);
ret = os_snprintf(buf + len, buflen - len,
"rx_vht_mcs_map=%04x\n"
"tx_vht_mcs_map=%04x\n",
rxmap, txmap);
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
}
if (iface->conf->ieee80211n && !hapd->conf->disable_11n) {
ret = os_snprintf(buf + len, buflen - len,
"ht_caps_info=%04x\n",
@ -685,6 +740,31 @@ int hostapd_ctrl_iface_status(struct hostapd_data *hapd, char *buf,
len += ret;
}
if (iface->conf->ieee80211n && !hapd->conf->disable_11n && mode) {
len = hostapd_write_ht_mcs_bitmask(buf, buflen, len,
mode->mcs_set);
}
if (iface->current_rates && iface->num_rates) {
ret = os_snprintf(buf + len, buflen - len, "supported_rates=");
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
for (j = 0; j < iface->num_rates; j++) {
ret = os_snprintf(buf + len, buflen - len, "%s%02x",
j > 0 ? " " : "",
iface->current_rates[j].rate / 5);
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
}
ret = os_snprintf(buf + len, buflen - len, "\n");
if (os_snprintf_error(buflen - len, ret))
return len;
len += ret;
}
for (j = 0; mode && j < mode->num_channels; j++) {
if (mode->channels[j].freq == iface->freq) {
ret = os_snprintf(buf + len, buflen - len,