PCN_RXRING
for (i = 0; i < PCN_RXRING; i++) {
PCN_RXRING * sizeof (pcn_rx_desc_t), DDI_DMA_SYNC_FORDEV);
pcn_csr_write(pcnp, PCN_CSR_RXRINGLEN, (~PCN_RXRING) + 1);
size = PCN_RXRING * sizeof (pcn_rx_desc_t);
pcnp->pcn_rxbufs = kmem_zalloc(PCN_RXRING * sizeof (pcn_buf_t *),
for (i = 0; i < PCN_RXRING; i++) {
for (i = 0; i < PCN_RXRING; i++)
kmem_free(pcnp->pcn_rxbufs, PCN_RXRING * sizeof (pcn_buf_t *));
for (cnt = 0; cnt < PCN_RXRING; cnt++) {
head = (head + 1) % PCN_RXRING;