PREN_PREAMBLE 631 drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c dur = PREN_PREAMBLE + (tot_streams * PREN_PREAMBLE_EXT); PREN_PREAMBLE 5806 drivers/net/wireless/broadcom/brcm80211/brcmsmac/main.c dur -= PREN_PREAMBLE + (tot_streams * PREN_PREAMBLE_EXT);