XGENE_ENET_NUM_DESC
tx_ring->tail = (tail + 1) & (XGENE_ENET_NUM_DESC - 1);
head = (head + 1) & (XGENE_ENET_NUM_DESC - 1);
head = (head + 1) & (XGENE_ENET_NUM_DESC - 1);
size = XGENE_ENET_DESC_SIZE * XGENE_ENET_NUM_DESC;
for (i = 0; i < XGENE_ENET_NUM_DESC; i++) {
size = XGENE_ENET_DESC_SIZE * XGENE_ENET_NUM_DESC;
ring->pkt_info = kzalloc_objs(*ring->pkt_info, XGENE_ENET_NUM_DESC);
ret = xge_refill_buffers(ndev, XGENE_ENET_NUM_DESC);
for (i = 0; i < XGENE_ENET_NUM_DESC; i++) {
const u8 slots = XGENE_ENET_NUM_DESC - 1;
for (i = 0; i < XGENE_ENET_NUM_DESC; i++) {
offset = (i + 1) & (XGENE_ENET_NUM_DESC - 1);