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-rw-r--r--src/ap/ieee802_11_vht.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/src/ap/ieee802_11_vht.c b/src/ap/ieee802_11_vht.c
index 3236016..0841898 100644
--- a/src/ap/ieee802_11_vht.c
+++ b/src/ap/ieee802_11_vht.c
@@ -81,6 +81,26 @@ u8 * hostapd_eid_vht_operation(struct hostapd_data *hapd, u8 *eid)
hapd->iconf->vht_oper_centr_freq_seg1_idx;
oper->vht_op_info_chwidth = hapd->iconf->vht_oper_chwidth;
+ if (hapd->iconf->vht_oper_chwidth == 2) {
+ /*
+ * Convert 160 MHz channel width to new style as interop
+ * workaround.
+ */
+ oper->vht_op_info_chwidth = 1;
+ oper->vht_op_info_chan_center_freq_seg1_idx =
+ oper->vht_op_info_chan_center_freq_seg0_idx;
+ if (hapd->iconf->channel <
+ hapd->iconf->vht_oper_centr_freq_seg0_idx)
+ oper->vht_op_info_chan_center_freq_seg0_idx -= 8;
+ else
+ oper->vht_op_info_chan_center_freq_seg0_idx += 8;
+ } else if (hapd->iconf->vht_oper_chwidth == 3) {
+ /*
+ * Convert 80+80 MHz channel width to new style as interop
+ * workaround.
+ */
+ oper->vht_op_info_chwidth = 1;
+ }
/* VHT Basic MCS set comes from hw */
/* Hard code 1 stream, MCS0-7 is a min Basic VHT MCS rates */