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HE: Add HE support to hostapd_set_freq_params() 

The parameters that need to be applied are symmetric to those of VHT,
however the validation code needs to be tweaked to check the HE
capabilities.

Signed-off-by: Shashidhar Lakkavalli <slakkavalli@datto.com>
Signed-off-by: John Crispin <john@phrozen.org>
This commit is contained in:
John Crispin 2020-03-23 14:13:15 +01:00 committed by Jouni Malinen
parent 8e467e3cf4
commit 1e8ea0833d
1 changed files with 61 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

73
src/common/hw_features_common.c
View File

@ -475,7 +475,67 @@ int hostapd_set_freq_params(struct hostapd_freq_params *data,
return 0;
}
if (data->vht_enabled) switch (oper_chwidth) {
if (data->he_enabled) switch (oper_chwidth) {
case CHANWIDTH_USE_HT:
if (mode == HOSTAPD_MODE_IEEE80211G && sec_channel_offset) {
if (!(he_cap->phy_cap[HE_PHYCAP_CHANNEL_WIDTH_SET_IDX] &
HE_PHYCAP_CHANNEL_WIDTH_SET_40MHZ_IN_2G)) {
wpa_printf(MSG_ERROR,
"40 MHz channel width is not supported in 2.4 GHz");
return -1;
}
break;
}
/* fall through */
case CHANWIDTH_80MHZ:
if (mode == HOSTAPD_MODE_IEEE80211A) {
if (!(he_cap->phy_cap[HE_PHYCAP_CHANNEL_WIDTH_SET_IDX] &
HE_PHYCAP_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G)) {
wpa_printf(MSG_ERROR,
"40/80 MHz channel width is not supported in 5/6 GHz");
return -1;
}
}
break;
case CHANWIDTH_80P80MHZ:
if (!(he_cap->phy_cap[HE_PHYCAP_CHANNEL_WIDTH_SET_IDX] &
HE_PHYCAP_CHANNEL_WIDTH_SET_80PLUS80MHZ_IN_5G)) {
wpa_printf(MSG_ERROR,
"80+80 MHz channel width is not supported in 5/6 GHz");
return -1;
}
break;
case CHANWIDTH_160MHZ:
if (!(he_cap->phy_cap[HE_PHYCAP_CHANNEL_WIDTH_SET_IDX] &
HE_PHYCAP_CHANNEL_WIDTH_SET_160MHZ_IN_5G)) {
wpa_printf(MSG_ERROR,
"160 MHz channel width is not supported in 5 / 6GHz");
return -1;
}
break;
} else if (data->vht_enabled) switch (oper_chwidth) {
case CHANWIDTH_USE_HT:
break;
case CHANWIDTH_80P80MHZ:
if (!(vht_caps & VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ)) {
wpa_printf(MSG_ERROR,
"80+80 channel width is not supported!");
return -1;
}
/* fall through */
case CHANWIDTH_80MHZ:
break;
case CHANWIDTH_160MHZ:
if (!(vht_caps & (VHT_CAP_SUPP_CHAN_WIDTH_160MHZ |
VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ))) {
wpa_printf(MSG_ERROR,
"160 MHz channel width is not supported!");
return -1;
}
break;
}
if (data->he_enabled || data->vht_enabled) switch (oper_chwidth) {
case CHANWIDTH_USE_HT:
if (center_segment1 ||
(center_segment0 != 0 &&
@ -484,11 +544,6 @@ int hostapd_set_freq_params(struct hostapd_freq_params *data,
return -1;
break;
case CHANWIDTH_80P80MHZ:
if (!(vht_caps & VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ)) {
wpa_printf(MSG_ERROR,
"80+80 channel width is not supported!");
return -1;
}
if (center_segment1 == center_segment0 + 4 ||
center_segment1 == center_segment0 - 4)
return -1;
@ -533,12 +588,6 @@ int hostapd_set_freq_params(struct hostapd_freq_params *data,
break;
case CHANWIDTH_160MHZ:
data->bandwidth = 160;
if (!(vht_caps & (VHT_CAP_SUPP_CHAN_WIDTH_160MHZ |
VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ))) {
wpa_printf(MSG_ERROR,
"160MHZ channel width is not supported!");
return -1;
}
if (center_segment1)
return -1;
if (!sec_channel_offset)