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wpa_supplicant: Allow disabling VHT SGI capability

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This provides similar features to what was already available for HT
overrides. Probe Request frames look correct, and VHT capabilities shown
in debugfs look as expected.

Signed-off-by: Ben Greear <greearb@candelatech.com>
This commit is contained in:
Ben Greear 2018-02-28 13:50:48 -08:00 committed by Jouni Malinen
parent 02f52ab6f5
commit fd83a80815
1 changed files with 10 additions and 0 deletions
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10
wpa_supplicant/wpa_supplicant.c
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@ -4642,6 +4642,16 @@ void wpa_supplicant_apply_vht_overrides(
vhtcaps_mask->vht_capabilities_info = host_to_le32(ssid->vht_capa_mask); vhtcaps_mask->vht_capabilities_info = host_to_le32(ssid->vht_capa_mask);
#ifdef CONFIG_HT_OVERRIDES #ifdef CONFIG_HT_OVERRIDES
if (ssid->disable_sgi) {
vhtcaps_mask->vht_capabilities_info |= (VHT_CAP_SHORT_GI_80 |
VHT_CAP_SHORT_GI_160);
vhtcaps->vht_capabilities_info &= ~(VHT_CAP_SHORT_GI_80 |
VHT_CAP_SHORT_GI_160);
wpa_msg(wpa_s, MSG_DEBUG,
"disable-sgi override specified, vht-caps: 0x%x",
vhtcaps->vht_capabilities_info);
}
/* if max ampdu is <= 3, we have to make the HT cap the same */ /* if max ampdu is <= 3, we have to make the HT cap the same */
if (ssid->vht_capa_mask & VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MAX) { if (ssid->vht_capa_mask & VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MAX) {
int max_ampdu; int max_ampdu;