#define GM_TXCR_FORCE_JAM (1<<15) /* Bit 15: Force Jam / Flow-Control */
#define GM_TXCR_CRC_DIS (1<<14) /* Bit 14: Disable insertion of CRC */
#define GM_TXCR_PAD_DIS (1<<13) /* Bit 13: Disable padding of packets */
#define GM_TXCR_FORCE_JAM (1<<15) /* Bit 15: Force Jam / Flow-Control */
#define GM_TXCR_CRC_DIS (1<<14) /* Bit 14: Disable insertion of CRC */
#define GM_TXCR_PAD_DIS (1<<13) /* Bit 13: Disable padding of packets */