Lines Matching defs:tcb
666 tx_control_block_t *tcb;
723 tcb = tx_ring->tcb_area;
724 for (i = 0; i < tx_ring->free_list_size; i++, tcb++) {
725 ASSERT(tcb != NULL);
727 tx_ring->free_list[i] = tcb;
737 &tcb->tx_dma_handle);
739 tcb->tx_dma_handle = NULL;
749 tx_buf = &tcb->tx_buf;
755 ASSERT(tcb->tx_dma_handle != NULL);
756 ddi_dma_free_handle(&tcb->tx_dma_handle);
757 tcb->tx_dma_handle = NULL;
762 tcb->last_index = MAX_TX_RING_SIZE;
781 tx_control_block_t *tcb;
783 tcb = tx_ring->tcb_area;
784 if (tcb == NULL)
787 for (i = 0; i < tx_ring->free_list_size; i++, tcb++) {
788 ASSERT(tcb != NULL);
791 if (tcb->tx_dma_handle != NULL) {
792 ddi_dma_free_handle(&tcb->tx_dma_handle);
793 tcb->tx_dma_handle = NULL;
802 igb_free_dma_buffer(&tcb->tx_buf);