Lines Matching defs:head
80 uint16_t tFreeHdr; /* head of Tx free desc entries list */
153 static void FreeTxEntry(struct VirtNetif *nic, uint16_t head)
156 uint16_t idx = q->desc[head].next;
166 nic->tFreeHdr = head;
211 uint16_t head, idx;
227 head = nic->tFreeHdr;
228 idx = nic->dev.vq[1].desc[head].next;
234 return head;
239 uint16_t idx, head;
243 head = GetTxFreeEntry(nic);
244 trans->desc[head].pAddr = VMM_TO_DMA_ADDR((PADDR_T)&nic->vnHdr);
245 trans->desc[head].len = sizeof(struct VirtnetHdr);
246 idx = trans->desc[head].next;
252 trans->avail->ring[trans->avail->index % trans->qsz] = head;