Ryan Hsu <ryanhsu@xxxxxxxxxxxxxx> writes: > In the case of Station connects to AP with narrower bandwidth at beginning. > And later the AP changes the bandwidth to winder bandwidth, the AP will > beacon with wider bandwidth IE, eg VHT20->VHT40->VHT80 or VHT40->VHT80. > > Since the supported BANDWIDTH will be limited by the PHYMODE, so while > Station receives the bandwidth change request, it will also need to > reconfigure the PHYMODE setting to firmware instead of just configuring > the BANDWIDTH info, otherwise it'll trigger a firmware crash with > non-support bandwidth. > > The issue was observed in WLAN.RM.4.4.1-00051-QCARMSWP-1, QCA6174 with > below scenario. > --- BTW, I don't recommend using "---" or similar delimeters in the actual commit log. Git uses that string as a separator between the commit log and actual patch and that broke my patchwork script. I fixed the commit log manually in the pending branch, and added Timur's Tested-by, please check (I hope I got UTF-8 correct!): https://git.kernel.org/pub/scm/linux/kernel/git/kvalo/ath.git/commit/?h=master-pending&id=5aee6aeda5dae74e1c79256fc1df2e7599038fa7 -- Kalle Valo
