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Linux/WL1837MOD: wifi certification problem

Part Number: WL1837MOD

Tool/software: Linux

hi,

i have two wifi certification problem:

1.Overlapping BSS on the Extension Channel test failed, DUT has no data transfer in this scenario

2.RIFS Test failed, AP ping DUT -l 30000 but DUT did not respond

How can I do these two WiFi certification items?Hope to get your reply as soon as possible, thank you!

add wl18xx driver information:

root@DA-Family ~$ strings /lib/modules/3.0.35/updates/drivers/net/wireless/ti/wl18xx/wl18xx.ko | grep 'R8.\|Build-' -m1
version=backported from Linux (R8.6_SP1-0-g4d167bf) using backports R8.6_SP1-0-g4677dc3
root@DA-Family ~$
root@DA-Family ~$
root@DA-Family ~$ grep Rev /lib/firmware/ti-connectivity/wl18xx-fw-4.bin
ev 8.9.0.1.55
'ev 8.2.0.0.233
113425,46,release.c,PrintRevision,0|Firmware Revision (FRev) Rev 8.9.0.1.55
68085,410,scheduler_req_list.c,SCHED_Req_List_ComapreByReversedPriority|p_req_1 != p_req_2