Associating

• reset frequency tracking bandwidth to defaults
• set BSSID in address match registers
• update ACK/CTS tables in SHM
• update slot timing
• program ATIM window and CFP duration if appropriate
• reset TSF/write beacon interval and CFP start if starting AP/IBSS
• set mode bits in MAC control register
• enable "beacons promisc" filter bit when starting IBSS
• update Pre-TBTT time (both SHM and MMIO register): 2 if IBSS, otherwise 120 for A PHY, 250 for B/G PHY