qcacld2.0: support RSSI/Mac Addr sniffing for STA

  Extend the STA capability to sniff RSSI & Mac address.
this feature works only when STA is connected. meanwhile,
STA BMPS and roaming is disabled. Frame RSSI & Mac address
is indicated to OS through virtual monitor interface. Set
registry 'gEnableMonOnSta' = 1 in INI to enable this feature.

Ref test steps:
a. create virtual monitor interface and up.
   iw dev wlan0 interface add mon0 type monitor
   ifconfig mon0 up
b. STA connect
   ifconfig wlan0 up
   iw wlan0 connect "ssid"
c. collect sniffing frames
   tcpdump -i mon0 -v -w /data/sniff.pkt

Change-Id: I8f435a7f74b53babae987dbd3e1487cbd518f00d
CRs-Fixed: 2048058
30 files changed
tree: 9b7b3b743788ded885bdaeb09e10869855bf7a3a
  1. CORE/
  2. firmware_bin/
  3. wcnss/
  4. Android.mk
  5. Kbuild
  6. Kconfig
  7. Makefile