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Add support for new 5 GHz channels 173 and 177

Browse Source 
Add support for new channels 173 and 177 in the operating classes 125 to
130 as defined in draft IEEE P802.11ax/D8.0.

Signed-off-by: Sreeramya Soratkal <ssramya@codeaurora.org>
master
Sreeramya Soratkal 3 years ago committed by Jouni Malinen
parent 21fdb454df
commit 833cdbe97d
8 changed files with 63 additions and 48 deletions
Show Stats Download Patch File Download Diff File

10
src/ap/dfs.c
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@ -81,17 +81,17 @@ static int dfs_is_chan_allowed(struct hostapd_channel_data *chan, int n_chans)
* We will also choose this first channel as the control one.
*/
int allowed_40[] = { 36, 44, 52, 60, 100, 108, 116, 124, 132, 149, 157,
184, 192 };
165, 173, 184, 192 };
/*
* VHT80, valid channels based on center frequency:
* 42, 58, 106, 122, 138, 155
* 42, 58, 106, 122, 138, 155, 171
*/
int allowed_80[] = { 36, 52, 100, 116, 132, 149 };
int allowed_80[] = { 36, 52, 100, 116, 132, 149, 165 };
/*
* VHT160 valid channels based on center frequency:
* 50, 114
* 50, 114, 163
*/
int allowed_160[] = { 36, 100 };
int allowed_160[] = { 36, 100, 149 };
int *allowed = allowed_40;
unsigned int i, allowed_no = 0;

2
src/common/hw_features_common.c
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@ -580,6 +580,8 @@ int hostapd_set_freq_params(struct hostapd_freq_params *data,
center_segment0 = 138;
else if (channel <= 161)
center_segment0 = 155;
else if (channel <= 177)
center_segment0 = 171;
data->center_freq1 = 5000 + center_segment0 * 5;
} else {
/*

64
src/common/ieee802_11_common.c
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@ -986,8 +986,8 @@ enum hostapd_hw_mode ieee80211_freq_to_channel_ext(unsigned int freq,
return HOSTAPD_MODE_IEEE80211A;
}
/* 5 GHz, channels 149..169 */
if (freq >= 5745 && freq <= 5845) {
/* 5 GHz, channels 149..177 */
if (freq >= 5745 && freq <= 5885) {
if ((freq - 5000) % 5)
return NUM_HOSTAPD_MODES;
@ -1417,22 +1417,22 @@ static int ieee80211_chan_to_freq_global(u8 op_class, u8 chan)
return -1;
return 5000 + 5 * chan;
case 124: /* channels 149,153,157,161 */
case 126: /* channels 149,157; 40 MHz */
case 127: /* channels 153,161; 40 MHz */
if (chan < 149 || chan > 161)
return -1;
return 5000 + 5 * chan;
case 125: /* channels 149,153,157,161,165,169 */
if (chan < 149 || chan > 169)
case 125: /* channels 149,153,157,161,165,169,173,177 */
case 126: /* channels 149,157,165,173; 40 MHz */
case 127: /* channels 153,161,169,177; 40 MHz */
if (chan < 149 || chan > 177)
return -1;
return 5000 + 5 * chan;
case 128: /* center freqs 42, 58, 106, 122, 138, 155; 80 MHz */
case 130: /* center freqs 42, 58, 106, 122, 138, 155; 80 MHz */
if (chan < 36 || chan > 161)
case 128: /* center freqs 42, 58, 106, 122, 138, 155, 171; 80 MHz */
case 130: /* center freqs 42, 58, 106, 122, 138, 155, 171; 80 MHz */
if (chan < 36 || chan > 177)
return -1;
return 5000 + 5 * chan;
case 129: /* center freqs 50, 114; 160 MHz */
if (chan < 36 || chan > 128)
case 129: /* center freqs 50, 114, 163; 160 MHz */
if (chan < 36 || chan > 177)
return -1;
return 5000 + 5 * chan;
case 131: /* UHB channels, 20 MHz: 1, 5, 9.. */
@ -1876,20 +1876,20 @@ const struct oper_class_map global_op_class[] = {
{ HOSTAPD_MODE_IEEE80211A, 122, 100, 132, 8, BW40PLUS, NO_P2P_SUPP },
{ HOSTAPD_MODE_IEEE80211A, 123, 104, 136, 8, BW40MINUS, NO_P2P_SUPP },
{ HOSTAPD_MODE_IEEE80211A, 124, 149, 161, 4, BW20, P2P_SUPP },
{ HOSTAPD_MODE_IEEE80211A, 125, 149, 169, 4, BW20, P2P_SUPP },
{ HOSTAPD_MODE_IEEE80211A, 126, 149, 157, 8, BW40PLUS, P2P_SUPP },
{ HOSTAPD_MODE_IEEE80211A, 127, 153, 161, 8, BW40MINUS, P2P_SUPP },
{ HOSTAPD_MODE_IEEE80211A, 125, 149, 177, 4, BW20, P2P_SUPP },
{ HOSTAPD_MODE_IEEE80211A, 126, 149, 173, 8, BW40PLUS, P2P_SUPP },
{ HOSTAPD_MODE_IEEE80211A, 127, 153, 177, 8, BW40MINUS, P2P_SUPP },
/*
* IEEE P802.11ac/D7.0 Table E-4 actually talks about channel center
* frequency index 42, 58, 106, 122, 138, 155 with channel spacing of
* 80 MHz, but currently use the following definition for simplicity
* IEEE P802.11ax/D8.0 Table E-4 actually talks about channel center
* frequency index 42, 58, 106, 122, 138, 155, 171 with channel spacing
* of 80 MHz, but currently use the following definition for simplicity
* (these center frequencies are not actual channels, which makes
* wpas_p2p_verify_channel() fail). wpas_p2p_verify_80mhz() should take
* care of removing invalid channels.
*/
{ HOSTAPD_MODE_IEEE80211A, 128, 36, 161, 4, BW80, P2P_SUPP },
{ HOSTAPD_MODE_IEEE80211A, 129, 36, 128, 4, BW160, P2P_SUPP },
{ HOSTAPD_MODE_IEEE80211A, 128, 36, 177, 4, BW80, P2P_SUPP },
{ HOSTAPD_MODE_IEEE80211A, 129, 36, 177, 4, BW160, P2P_SUPP },
{ HOSTAPD_MODE_IEEE80211A, 131, 1, 233, 4, BW20, NO_P2P_SUPP },
{ HOSTAPD_MODE_IEEE80211A, 132, 1, 233, 8, BW40, NO_P2P_SUPP },
{ HOSTAPD_MODE_IEEE80211A, 133, 1, 233, 16, BW80, NO_P2P_SUPP },
@ -1911,7 +1911,7 @@ const struct oper_class_map global_op_class[] = {
* the OneHundredAndThirty Delimiter value used in the Supported
* Operating Classes element to indicate the end of the Operating
* Classes field. */
{ HOSTAPD_MODE_IEEE80211A, 130, 36, 161, 4, BW80P80, P2P_SUPP },
{ HOSTAPD_MODE_IEEE80211A, 130, 36, 177, 4, BW80P80, P2P_SUPP },
{ -1, 0, 0, 0, 0, BW20, NO_P2P_SUPP }
};
@ -2493,16 +2493,16 @@ int op_class_to_bandwidth(u8 op_class)
case 123: /* channels 104-136; 40 MHz */
return 40;
case 124: /* channels 149,153,157,161 */
case 125: /* channels 149,153,157,161,165,169 */
case 125: /* channels 149,153,157,161,165,169,173,177 */
return 20;
case 126: /* channels 149,157; 40 MHz */
case 127: /* channels 153,161; 40 MHz */
case 126: /* channels 149,157,161,165,169,173; 40 MHz */
case 127: /* channels 153..177; 40 MHz */
return 40;
case 128: /* center freqs 42, 58, 106, 122, 138, 155; 80 MHz */
case 128: /* center freqs 42, 58, 106, 122, 138, 155, 171; 80 MHz */
return 80;
case 129: /* center freqs 50, 114; 160 MHz */
case 129: /* center freqs 50, 114, 163; 160 MHz */
return 160;
case 130: /* center freqs 42, 58, 106, 122, 138, 155; 80+80 MHz */
case 130: /* center freqs 42, 58, 106, 122, 138, 155, 171; 80+80 MHz */
return 80;
case 131: /* UHB channels, 20 MHz: 1, 5, 9.. */
return 20;
@ -2554,16 +2554,16 @@ int op_class_to_ch_width(u8 op_class)
case 123: /* channels 104-136; 40 MHz */
return CHANWIDTH_USE_HT;
case 124: /* channels 149,153,157,161 */
case 125: /* channels 149,153,157,161,165,169 */
case 125: /* channels 149,153,157,161,165,169,171 */
return CHANWIDTH_USE_HT;
case 126: /* channels 149,157; 40 MHz */
case 127: /* channels 153,161; 40 MHz */
case 126: /* channels 149,157,165, 173; 40 MHz */
case 127: /* channels 153,161,169,177; 40 MHz */
return CHANWIDTH_USE_HT;
case 128: /* center freqs 42, 58, 106, 122, 138, 155; 80 MHz */
case 128: /* center freqs 42, 58, 106, 122, 138, 155, 171; 80 MHz */
return CHANWIDTH_80MHZ;
case 129: /* center freqs 50, 114; 160 MHz */
case 129: /* center freqs 50, 114, 163; 160 MHz */
return CHANWIDTH_160MHZ;
case 130: /* center freqs 42, 58, 106, 122, 138, 155; 80+80 MHz */
case 130: /* center freqs 42, 58, 106, 122, 138, 155, 171; 80+80 MHz */
return CHANWIDTH_80P80MHZ;
case 131: /* UHB channels, 20 MHz: 1, 5, 9.. */
return CHANWIDTH_USE_HT;

2
src/drivers/driver_nl80211_event.c
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@ -1944,7 +1944,7 @@ try_2_4_or_5:
return 2407 + 5 * chan;
if (chan == 14)
return 2484;
if (chan >= 36 && chan <= 169)
if (chan >= 36 && chan <= 177)
return 5000 + 5 * chan;
return 0;

21
wpa_supplicant/op_classes.c
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@ -77,7 +77,7 @@ static enum chan_allowed verify_80mhz(struct hostapd_hw_modes *mode,
unsigned int no_ir = 0;
const u8 *center_channels;
size_t num_chan;
const u8 center_channels_5ghz[] = { 42, 58, 106, 122, 138, 155 };
const u8 center_channels_5ghz[] = { 42, 58, 106, 122, 138, 155, 171 };
const u8 center_channels_6ghz[] = { 7, 23, 39, 55, 71, 87, 103, 119,
135, 151, 167, 183, 199, 215 };
@ -150,7 +150,7 @@ static enum chan_allowed verify_160mhz(struct hostapd_hw_modes *mode,
unsigned int no_ir = 0;
const u8 *center_channels;
size_t num_chan;
const u8 center_channels_5ghz[] = { 50, 114 };
const u8 center_channels_5ghz[] = { 50, 114, 163 };
const u8 center_channels_6ghz[] = { 15, 47, 79, 111, 143, 175, 207 };
if (is_6ghz_op_class(op_class)) {
@ -320,7 +320,7 @@ static int wpas_op_class_supported(struct wpa_supplicant *wpa_s,
#endif /* CONFIG_VHT_OVERRIDES */
if (op_class->op_class == 128) {
u8 channels[] = { 42, 58, 106, 122, 138, 155 };
u8 channels[] = { 42, 58, 106, 122, 138, 155, 171 };
for (i = 0; i < ARRAY_SIZE(channels); i++) {
if (verify_channel(mode, op_class->op_class,
@ -337,6 +337,8 @@ static int wpas_op_class_supported(struct wpa_supplicant *wpa_s,
return verify_channel(mode, op_class->op_class, 50,
op_class->bw) != NOT_ALLOWED ||
verify_channel(mode, op_class->op_class, 114,
op_class->bw) != NOT_ALLOWED ||
verify_channel(mode, op_class->op_class, 163,
op_class->bw) != NOT_ALLOWED;
}
@ -354,6 +356,10 @@ static int wpas_op_class_supported(struct wpa_supplicant *wpa_s,
verify_channel(mode, op_class->op_class, 122,
op_class->bw) != NOT_ALLOWED ||
verify_channel(mode, op_class->op_class, 138,
op_class->bw) != NOT_ALLOWED ||
verify_channel(mode, op_class->op_class, 155,
op_class->bw) != NOT_ALLOWED ||
verify_channel(mode, op_class->op_class, 171,
op_class->bw) != NOT_ALLOWED)
found++;
if (verify_channel(mode, op_class->op_class, 106,
@ -361,7 +367,14 @@ static int wpas_op_class_supported(struct wpa_supplicant *wpa_s,
verify_channel(mode, op_class->op_class, 138,
op_class->bw) != NOT_ALLOWED)
found++;
if (verify_channel(mode, op_class->op_class, 155,
if (verify_channel(mode, op_class->op_class, 122,
op_class->bw) != NOT_ALLOWED &&
verify_channel(mode, op_class->op_class, 155,
op_class->bw) != NOT_ALLOWED)
found++;
if (verify_channel(mode, op_class->op_class, 138,
op_class->bw) != NOT_ALLOWED &&
verify_channel(mode, op_class->op_class, 171,
op_class->bw) != NOT_ALLOWED)
found++;

6
wpa_supplicant/p2p_supplicant.c
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@ -3578,7 +3578,7 @@ static int wpas_p2p_get_center_80mhz(struct wpa_supplicant *wpa_s,
struct hostapd_hw_modes *mode,
u8 channel)
{
u8 center_channels[] = { 42, 58, 106, 122, 138, 155 };
u8 center_channels[] = { 42, 58, 106, 122, 138, 155, 171 };
size_t i;
if (mode->mode != HOSTAPD_MODE_IEEE80211A)
@ -3639,7 +3639,7 @@ static int wpas_p2p_get_center_160mhz(struct wpa_supplicant *wpa_s,
struct hostapd_hw_modes *mode,
u8 channel)
{
u8 center_channels[] = { 50, 114 };
u8 center_channels[] = { 50, 114, 163 };
unsigned int i;
if (mode->mode != HOSTAPD_MODE_IEEE80211A)
@ -3787,7 +3787,7 @@ static int wpas_p2p_setup_channels(struct wpa_supplicant *wpa_s,
/* Check for non-continuous jump in channel index
* incrementation */
if ((o->op_class == 128 || o->op_class == 130) &&
if ((o->op_class >= 128 && o->op_class <= 130) &&
ch < 149 && ch + o->inc > 149)
ch = 149;

4
wpa_supplicant/rrm.c
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@ -556,8 +556,8 @@ static int * wpas_add_channels(const struct oper_class_map *op,
static int * wpas_op_class_freqs(const struct oper_class_map *op,
struct hostapd_hw_modes *mode, int active)
{
u8 channels_80mhz_5ghz[] = { 42, 58, 106, 122, 138, 155 };
u8 channels_160mhz_5ghz[] = { 50, 114 };
u8 channels_80mhz_5ghz[] = { 42, 58, 106, 122, 138, 155, 171 };
u8 channels_160mhz_5ghz[] = { 50, 114, 163 };
u8 channels_80mhz_6ghz[] = { 7, 23, 39, 55, 71, 87, 103, 119, 135, 151,
167, 183, 199, 215 };
u8 channels_160mhz_6ghz[] = { 15, 47, 79, 111, 143, 175, 207 };

2
wpa_supplicant/wnm_sta.c
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@ -552,7 +552,7 @@ static int wnm_nei_get_chan(struct wpa_supplicant *wpa_s, u8 op_class, u8 chan)
freq = 2407 + chan * 5;
else if (chan == 14)
freq = 2484;
else if (chan >= 36 && chan <= 169)
else if (chan >= 36 && chan <= 177)
freq = 5000 + chan * 5;
}
return freq;

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