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Hi I went the another thread
and followed the steps but I dont get any using 80211 packets in the dump following the below mention steps
wl down
wl mpc 0
wl up
wl monitor 1
ifconfig wlan0 up
wl channel 6
tcpdump -ni wlan0 -s0 -w test.pcap
Also I added debug code in brcmf_netif_mon_rx of
~/FMAC/src/v5.4.18-backports/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c
I dont see those prints neither in
if (brcmf_feat_is_enabled(ifp, BRCMF_FEAT_MONITOR_FMT_RADIOTAP)) {
/* Do nothing */
or in else part.
Can some one help me how to I get the 80211 packets?
I am using backports driver v5.4.18-backports
Thanks,
Lavanya
Solved! Go to Solution.
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Hi @Lavanya :
After checking FMAC driver of monitor feature, I think currently FMAC driver can't support monitor mode and don't have any patch yet.
CYW43455 can enter promiscuous mode via wireshark or tcpdump setting after "wl monitor 1" (configurate firmware), but FMAC driver can't support this feature.
Therefore, we can get some un-decoding packages via tcpdump or wireshark.
Best Regards,
Colin
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Hi @Lavanya :
Please send "iwconfig" to check whether a monitor mode interface has been created or not.
Best Regards,
Colin
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Hi Qi_Colin
we have wl tool but not iwconfig I am pasting your the ifconfig output
wlan0 Link encap:Ethernet HWaddr
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:6399 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:1807441 (1.7 MiB) TX bytes:0 (0.0 B)
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I get packets shown in the screen shot
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Hi @Lavanya :
According to the screen shot, you don't get the 80211 packets after setting monitor mode.
I need check the driver and feedback to you.
Best Regards,
Colin
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Thank Colin, any patch is available for v5.4.18-backports, FMAC driver?
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Hi @Lavanya :
Sorry for reply later.
Currently no patch yet, and I'm checking for this question.
Any update I will share to you.
Best Regards,
Colin
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Hi @Lavanya :
After checking FMAC driver of monitor feature, I think currently FMAC driver can't support monitor mode and don't have any patch yet.
CYW43455 can enter promiscuous mode via wireshark or tcpdump setting after "wl monitor 1" (configurate firmware), but FMAC driver can't support this feature.
Therefore, we can get some un-decoding packages via tcpdump or wireshark.
Best Regards,
Colin