EIP93_RING_NUM
EIP93_RING_NUM - 1, GFP_ATOMIC);
EIP93_RING_NUM - 1, GFP_ATOMIC);
val = FIELD_PREP(EIPR93_PE_CDR_THRESH, EIP93_RING_NUM - EIP93_RING_BUSY);
sizeof(struct eip93_descriptor) * EIP93_RING_NUM,
ring->base_end = ring->base + sizeof(struct eip93_descriptor) * (EIP93_RING_NUM - 1);
val = FIELD_PREP(EIP93_PE_RING_SIZE, EIP93_RING_NUM - 1);