get_bitfield32
# define VMXNET3_TXDESC_GET_GEN(txdesc) get_bitfield32(((const __le32 *) \
# define VMXNET3_TXDESC_GET_EOP(txdesc) get_bitfield32(((const __le32 *) \
# define VMXNET3_TCD_GET_GEN(tcd) get_bitfield32(((const __le32 *)tcd) + \
# define VMXNET3_TCD_GET_TXIDX(tcd) get_bitfield32((const __le32 *)tcd, \