gf_preamble 14694 drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_n.c bool gf_preamble = false; gf_preamble 14698 drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_n.c gf_preamble = true; gf_preamble 14704 drivers/net/wireless/broadcom/brcm80211/brcmsmac/phy/phy_n.c if (gf_preamble)