DGNum/hostapd
6
0
Fork 0
Code Issues Pull requests 1 Projects Releases Packages Wiki Activity Actions

P2P: Allow PSC channel to be used for 6 GHz BW40

Browse source 
For the 6 GHz opclass 132, ch for loop only allows non-PSC channels { 1,
9, 17, 25, 33, 41, 49,... } to be used. This does not match the IEEE Std
802.11ax-2021 expectation of a 6 GHz-only AP "should set up the BSS with
a primary 20 MHz channel that coincides with a preferred scanning
channel".

Increase ch by 4 to allow PSC channel to be used for 6 GHz BW40.

Signed-off-by: Jouni Malinen <quic_jouni@quicinc.com>
This commit is contained in:
Hu Wang 2022-10-11 23:52:12 -07:00 • committed by Jouni Malinen
parent 9c830d9178
commit ae517789fa
2 changed files with 18 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

11
src/common/ieee802_11_common.c
View file

@ -1965,11 +1965,14 @@ const struct oper_class_map global_op_class[] = {
/*
* IEEE Std 802.11ax-2021, 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
* frequency index for operation classes 128, 129, 130, 132, 133, 134,
* and 135, but currently use the lowest 20 MHz channel 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.
* wpas_p2p_verify_channel() fail).
* Specially for the operation class 136, it is also defined to use the
* channel center frequency index value, but it happens to be a 20 MHz
* channel and the channel number in the channel set would match the
* value in for the frequency center.
*/
{ HOSTAPD_MODE_IEEE80211A, 128, 36, 177, 4, BW80, P2P_SUPP },
{ HOSTAPD_MODE_IEEE80211A, 129, 36, 177, 4, BW160, P2P_SUPP },