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EHT: Add 320 channel width support

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Add initial changes to support 320 MHz channel width.

Signed-off-by: Veerendranath Jakkam <quic_vjakkam@quicinc.com>
Signed-off-by: Karthikeyan Periyasamy <quic_periyasa@quicinc.com>
This commit is contained in:
Veerendranath Jakkam 2022-05-13 21:47:41 +05:30 • committed by Jouni Malinen
parent bafe35df03
commit 085a3fc76e
16 changed files with 121 additions and 13 deletions
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16
src/common/ieee802_11_common.c
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@ -1060,6 +1060,9 @@ ieee80211_freq_to_channel_ext(unsigned int freq, int sec_channel,
case CONF_OPER_CHWIDTH_80P80MHZ:
*op_class = 135;
break;
case CONF_OPER_CHWIDTH_320MHZ:
*op_class = 137;
break;
default:
if (sec_channel)
*op_class = 132;
@ -1157,6 +1160,9 @@ int ieee80211_chaninfo_to_channel(unsigned int freq, enum chan_width chanwidth,
case CHAN_WIDTH_8640:
cw = CONF_OPER_CHWIDTH_8640MHZ;
break;
case CHAN_WIDTH_320:
cw = CONF_OPER_CHWIDTH_320MHZ;
break;
}
if (ieee80211_freq_to_channel_ext(freq, sec_channel, cw, op_class,
@ -1452,6 +1458,7 @@ static int ieee80211_chan_to_freq_global(u8 op_class, u8 chan)
case 133: /* UHB channels, 80 MHz: 7, 23, 39.. */
case 134: /* UHB channels, 160 MHz: 15, 47, 79.. */
case 135: /* UHB channels, 80+80 MHz: 7, 23, 39.. */
case 137: /* UHB channels, 320 MHz: 31, 63, 95, 127, 159, 191 */
if (chan < 1 || chan > 233)
return -1;
return 5950 + chan * 5;
@ -2265,6 +2272,9 @@ int center_idx_to_bw_6ghz(u8 idx)
/* channels 15, 47, 79...*/
if ((idx & 0x1f) == 0xf)
return 3; /* 160 MHz */
/* channels 31, 63, 95, 127, 159, 191 */
if ((idx & 0x1f) == 0x1f && idx < 192)
return 4; /* 320 MHz */
return -1;
}
@ -2287,7 +2297,7 @@ bool is_6ghz_freq(int freq)
bool is_6ghz_op_class(u8 op_class)
{
return op_class >= 131 && op_class <= 136;
return op_class >= 131 && op_class <= 137;
}
@ -2593,6 +2603,8 @@ int op_class_to_bandwidth(u8 op_class)
return 160;
case 136: /* UHB channels, 20 MHz: 2 */
return 20;
case 137: /* UHB channels, 320 MHz: 31, 63, 95, 127, 159, 191 */
return 320;
case 180: /* 60 GHz band, channels 1..8 */
return 2160;
case 181: /* 60 GHz band, EDMG CB2, channels 9..15 */
@ -2655,6 +2667,8 @@ enum oper_chan_width op_class_to_ch_width(u8 op_class)
return CONF_OPER_CHWIDTH_80P80MHZ;
case 136: /* UHB channels, 20 MHz: 2 */
return CONF_OPER_CHWIDTH_USE_HT;
case 137: /* UHB channels, 320 MHz: 31, 63, 95, 127, 159, 191 */
return CONF_OPER_CHWIDTH_320MHZ;
case 180: /* 60 GHz band, channels 1..8 */
return CONF_OPER_CHWIDTH_2160MHZ;
case 181: /* 60 GHz band, EDMG CB2, channels 9..15 */