570 	struct e1000_tx_ring *txdr = adapter->tx_ring;  in e1000_get_ringparam()  local
578 	ring->tx_pending = txdr->count;  in e1000_get_ringparam()
587 	struct e1000_tx_ring *txdr, *tx_old;  in e1000_set_ringparam()  local
604 	txdr = kcalloc(adapter->num_tx_queues, sizeof(struct e1000_tx_ring),  in e1000_set_ringparam()
606 	if (!txdr)  in e1000_set_ringparam()
614 	adapter->tx_ring = txdr;  in e1000_set_ringparam()
621 	txdr->count = max(ring->tx_pending, (u32)E1000_MIN_TXD);  in e1000_set_ringparam()
622 	txdr->count = min(txdr->count, (u32)(mac_type < e1000_82544 ?  in e1000_set_ringparam()
624 	txdr->count = ALIGN(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE);  in e1000_set_ringparam()
627 		txdr[i].count = txdr->count;  in e1000_set_ringparam()
651 		adapter->tx_ring = txdr;  in e1000_set_ringparam()
666 	kfree(txdr);  in e1000_set_ringparam()
948 	struct e1000_tx_ring *txdr = &adapter->test_tx_ring;  in e1000_free_desc_rings()  local
953 	if (txdr->desc && txdr->buffer_info) {  in e1000_free_desc_rings()
954 		for (i = 0; i < txdr->count; i++) {  in e1000_free_desc_rings()
955 			if (txdr->buffer_info[i].dma)  in e1000_free_desc_rings()
957 						 txdr->buffer_info[i].dma,  in e1000_free_desc_rings()
958 						 txdr->buffer_info[i].length,  in e1000_free_desc_rings()
960 			if (txdr->buffer_info[i].skb)  in e1000_free_desc_rings()
961 				dev_kfree_skb(txdr->buffer_info[i].skb);  in e1000_free_desc_rings()
976 	if (txdr->desc) {  in e1000_free_desc_rings()
977 		dma_free_coherent(&pdev->dev, txdr->size, txdr->desc,  in e1000_free_desc_rings()
978 				  txdr->dma);  in e1000_free_desc_rings()
979 		txdr->desc = NULL;  in e1000_free_desc_rings()
987 	kfree(txdr->buffer_info);  in e1000_free_desc_rings()
988 	txdr->buffer_info = NULL;  in e1000_free_desc_rings()
996 	struct e1000_tx_ring *txdr = &adapter->test_tx_ring;  in e1000_setup_desc_rings()  local
1004 	if (!txdr->count)  in e1000_setup_desc_rings()
1005 		txdr->count = E1000_DEFAULT_TXD;  in e1000_setup_desc_rings()
1007 	txdr->buffer_info = kcalloc(txdr->count, sizeof(struct e1000_tx_buffer),  in e1000_setup_desc_rings()
1009 	if (!txdr->buffer_info) {  in e1000_setup_desc_rings()
1014 	txdr->size = txdr->count * sizeof(struct e1000_tx_desc);  in e1000_setup_desc_rings()
1015 	txdr->size = ALIGN(txdr->size, 4096);  in e1000_setup_desc_rings()
1016 	txdr->desc = dma_zalloc_coherent(&pdev->dev, txdr->size, &txdr->dma,  in e1000_setup_desc_rings()
1018 	if (!txdr->desc) {  in e1000_setup_desc_rings()
1022 	txdr->next_to_use = txdr->next_to_clean = 0;  in e1000_setup_desc_rings()
1024 	ew32(TDBAL, ((u64)txdr->dma & 0x00000000FFFFFFFF));  in e1000_setup_desc_rings()
1025 	ew32(TDBAH, ((u64)txdr->dma >> 32));  in e1000_setup_desc_rings()
1026 	ew32(TDLEN, txdr->count * sizeof(struct e1000_tx_desc));  in e1000_setup_desc_rings()
1033 	for (i = 0; i < txdr->count; i++) {  in e1000_setup_desc_rings()
1034 		struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i);  in e1000_setup_desc_rings()
1044 		txdr->buffer_info[i].skb = skb;  in e1000_setup_desc_rings()
1045 		txdr->buffer_info[i].length = skb->len;  in e1000_setup_desc_rings()
1046 		txdr->buffer_info[i].dma =  in e1000_setup_desc_rings()
1049 		if (dma_mapping_error(&pdev->dev, txdr->buffer_info[i].dma)) {  in e1000_setup_desc_rings()
1053 		tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);  in e1000_setup_desc_rings()
1403 	struct e1000_tx_ring *txdr = &adapter->test_tx_ring;  in e1000_run_loopback_test()  local
1416 	if (rxdr->count <= txdr->count)  in e1000_run_loopback_test()
1417 		lc = ((txdr->count / 64) * 2) + 1;  in e1000_run_loopback_test()
1424 			e1000_create_lbtest_frame(txdr->buffer_info[i].skb,  in e1000_run_loopback_test()
1427 						   txdr->buffer_info[k].dma,  in e1000_run_loopback_test()
1428 						   txdr->buffer_info[k].length,  in e1000_run_loopback_test()
1430 			if (unlikely(++k == txdr->count))  in e1000_run_loopback_test()