HelenOS sources

BMCR_AN_ENABLE    372 uspace/drv/nic/rtl8139/defs.h 	BMCR_AN_ENABLE = (1 << 12),  /**< Autonegotion enable */
BMCR_AN_ENABLE    289 uspace/drv/nic/rtl8169/defs.h 	BMCR_AN_ENABLE = (1 << 12), /**< Autonegotion enable */
HelenOS homepage, sources at GitHub