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Fix MCS set field to be based on driver info

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Instead of using hardcoded Rx MCS bitmask (indexes 0..15 enabled),
use the real information from the driver capabilities.
This commit is contained in:
Jouni Malinen 2009-11-05 12:38:47 +02:00 committed by Jouni Malinen
parent 5a641ae01e
commit 08eb154db5
3 changed files with 10 additions and 3 deletions
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5
hostapd/ieee802_11.c
View File

@ -120,9 +120,8 @@ u8 * hostapd_eid_ht_capabilities_info(struct hostapd_data *hapd, u8 *eid)
MAX_RX_AMPDU_FACTOR_64KB); MAX_RX_AMPDU_FACTOR_64KB);
cap->capabilities_info = host_to_le16(hapd->iconf->ht_capab); cap->capabilities_info = host_to_le16(hapd->iconf->ht_capab);
os_memcpy(cap->supported_mcs_set, hapd->iface->current_mode->mcs_set,
cap->supported_mcs_set[0] = 0xff; 16);
cap->supported_mcs_set[1] = 0xff;
pos += sizeof(*cap); pos += sizeof(*cap);

1
src/drivers/driver.h
View File

@ -51,6 +51,7 @@ struct hostapd_hw_modes {
int num_rates; int num_rates;
struct hostapd_rate_data *rates; struct hostapd_rate_data *rates;
u16 ht_capab; u16 ht_capab;
u8 mcs_set[16];
}; };

7
src/drivers/driver_nl80211.c
View File

@ -2229,6 +2229,13 @@ static int phy_info_handler(struct nl_msg *msg, void *arg)
tb_band[NL80211_BAND_ATTR_HT_CAPA]); tb_band[NL80211_BAND_ATTR_HT_CAPA]);
} }
if (tb_band[NL80211_BAND_ATTR_HT_MCS_SET] &&
nla_len(tb_band[NL80211_BAND_ATTR_HT_MCS_SET])) {
u8 *mcs;
mcs = nla_data(tb_band[NL80211_BAND_ATTR_HT_MCS_SET]);
os_memcpy(mode->mcs_set, mcs, 16);
}
nla_for_each_nested(nl_freq, tb_band[NL80211_BAND_ATTR_FREQS], rem_freq) { nla_for_each_nested(nl_freq, tb_band[NL80211_BAND_ATTR_FREQS], rem_freq) {
nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, nla_data(nl_freq), nla_parse(tb_freq, NL80211_FREQUENCY_ATTR_MAX, nla_data(nl_freq),
nla_len(nl_freq), freq_policy); nla_len(nl_freq), freq_policy);