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Bug #636

open

If wlan0 does not support more than one channel then client and AP must use same channel

Added by Hammel over 6 years ago. Updated over 4 years ago.

Status:
New
Priority:
Urgent
Assignee:
Hammel
Category:
Software
Target version:
Iron Man - 0.9.0
Start date:
26 May 2018
Due date:
% Done:

0%

Estimated time:
Severity:
01 - Critical

Description

Check the output of iw list for the wlan0 interface:

$ iw list
...
        valid interface combinations:
                 * #{ managed } <= 2048, #{ AP, mesh point } <= 8, #{ P2P-client, P2P-GO } <= 1,
                   total <= 2048, #channels <= 1, STA/AP BI must match

Note "#channels <= 1". This means both client and AP must use the same channel, even if the user specifies a different channel. If this value is 2 or more then they can use different channels.

This has to be handled by S40network at bring up time. It must
  1. Check how many channels it can use.
  2. If only 1
    1. Find wlan0 channel
    2. Update hostapd.conf channel entry.
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