549 	struct e1000_tx_ring *txdr = adapter->tx_ring;  in e1000_get_ringparam()  local
557 	ring->tx_pending = txdr->count;  in e1000_get_ringparam()
566 	struct e1000_tx_ring *txdr, *tx_old;  in e1000_set_ringparam()  local
583 	txdr = kcalloc(adapter->num_tx_queues, sizeof(struct e1000_tx_ring),  in e1000_set_ringparam()
585 	if (!txdr)  in e1000_set_ringparam()
593 	adapter->tx_ring = txdr;  in e1000_set_ringparam()
600 	txdr->count = max(ring->tx_pending, (u32)E1000_MIN_TXD);  in e1000_set_ringparam()
601 	txdr->count = min(txdr->count, (u32)(mac_type < e1000_82544 ?  in e1000_set_ringparam()
603 	txdr->count = ALIGN(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE);  in e1000_set_ringparam()
606 		txdr[i].count = txdr->count;  in e1000_set_ringparam()
628 		adapter->tx_ring = txdr;  in e1000_set_ringparam()
645 	kfree(txdr);  in e1000_set_ringparam()
928 	struct e1000_tx_ring *txdr = &adapter->test_tx_ring;  in e1000_free_desc_rings()  local
933 	if (txdr->desc && txdr->buffer_info) {  in e1000_free_desc_rings()
934 		for (i = 0; i < txdr->count; i++) {  in e1000_free_desc_rings()
935 			if (txdr->buffer_info[i].dma)  in e1000_free_desc_rings()
937 						 txdr->buffer_info[i].dma,  in e1000_free_desc_rings()
938 						 txdr->buffer_info[i].length,  in e1000_free_desc_rings()
940 			if (txdr->buffer_info[i].skb)  in e1000_free_desc_rings()
941 				dev_kfree_skb(txdr->buffer_info[i].skb);  in e1000_free_desc_rings()
956 	if (txdr->desc) {  in e1000_free_desc_rings()
957 		dma_free_coherent(&pdev->dev, txdr->size, txdr->desc,  in e1000_free_desc_rings()
958 				  txdr->dma);  in e1000_free_desc_rings()
959 		txdr->desc = NULL;  in e1000_free_desc_rings()
967 	kfree(txdr->buffer_info);  in e1000_free_desc_rings()
968 	txdr->buffer_info = NULL;  in e1000_free_desc_rings()
976 	struct e1000_tx_ring *txdr = &adapter->test_tx_ring;  in e1000_setup_desc_rings()  local
984 	if (!txdr->count)  in e1000_setup_desc_rings()
985 		txdr->count = E1000_DEFAULT_TXD;  in e1000_setup_desc_rings()
987 	txdr->buffer_info = kcalloc(txdr->count, sizeof(struct e1000_tx_buffer),  in e1000_setup_desc_rings()
989 	if (!txdr->buffer_info) {  in e1000_setup_desc_rings()
994 	txdr->size = txdr->count * sizeof(struct e1000_tx_desc);  in e1000_setup_desc_rings()
995 	txdr->size = ALIGN(txdr->size, 4096);  in e1000_setup_desc_rings()
996 	txdr->desc = dma_zalloc_coherent(&pdev->dev, txdr->size, &txdr->dma,  in e1000_setup_desc_rings()
998 	if (!txdr->desc) {  in e1000_setup_desc_rings()
1002 	txdr->next_to_use = txdr->next_to_clean = 0;  in e1000_setup_desc_rings()
1004 	ew32(TDBAL, ((u64)txdr->dma & 0x00000000FFFFFFFF));  in e1000_setup_desc_rings()
1005 	ew32(TDBAH, ((u64)txdr->dma >> 32));  in e1000_setup_desc_rings()
1006 	ew32(TDLEN, txdr->count * sizeof(struct e1000_tx_desc));  in e1000_setup_desc_rings()
1013 	for (i = 0; i < txdr->count; i++) {  in e1000_setup_desc_rings()
1014 		struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i);  in e1000_setup_desc_rings()
1024 		txdr->buffer_info[i].skb = skb;  in e1000_setup_desc_rings()
1025 		txdr->buffer_info[i].length = skb->len;  in e1000_setup_desc_rings()
1026 		txdr->buffer_info[i].dma =  in e1000_setup_desc_rings()
1029 		if (dma_mapping_error(&pdev->dev, txdr->buffer_info[i].dma)) {  in e1000_setup_desc_rings()
1033 		tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);  in e1000_setup_desc_rings()
1383 	struct e1000_tx_ring *txdr = &adapter->test_tx_ring;  in e1000_run_loopback_test()  local
1396 	if (rxdr->count <= txdr->count)  in e1000_run_loopback_test()
1397 		lc = ((txdr->count / 64) * 2) + 1;  in e1000_run_loopback_test()
1404 			e1000_create_lbtest_frame(txdr->buffer_info[i].skb,  in e1000_run_loopback_test()
1407 						   txdr->buffer_info[k].dma,  in e1000_run_loopback_test()
1408 						   txdr->buffer_info[k].length,  in e1000_run_loopback_test()
1410 			if (unlikely(++k == txdr->count))  in e1000_run_loopback_test()