572 	struct e1000_tx_ring *txdr = adapter->tx_ring;  in e1000_get_ringparam()  local
580 	ring->tx_pending = txdr->count;  in e1000_get_ringparam()
589 	struct e1000_tx_ring *txdr, *tx_old;  in e1000_set_ringparam()  local
606 	txdr = kcalloc(adapter->num_tx_queues, sizeof(struct e1000_tx_ring),  in e1000_set_ringparam()
608 	if (!txdr)  in e1000_set_ringparam()
616 	adapter->tx_ring = txdr;  in e1000_set_ringparam()
623 	txdr->count = max(ring->tx_pending, (u32)E1000_MIN_TXD);  in e1000_set_ringparam()
624 	txdr->count = min(txdr->count, (u32)(mac_type < e1000_82544 ?  in e1000_set_ringparam()
626 	txdr->count = ALIGN(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE);  in e1000_set_ringparam()
629 		txdr[i].count = txdr->count;  in e1000_set_ringparam()
653 		adapter->tx_ring = txdr;  in e1000_set_ringparam()
668 	kfree(txdr);  in e1000_set_ringparam()
950 	struct e1000_tx_ring *txdr = &adapter->test_tx_ring;  in e1000_free_desc_rings()  local
955 	if (txdr->desc && txdr->buffer_info) {  in e1000_free_desc_rings()
956 		for (i = 0; i < txdr->count; i++) {  in e1000_free_desc_rings()
957 			if (txdr->buffer_info[i].dma)  in e1000_free_desc_rings()
959 						 txdr->buffer_info[i].dma,  in e1000_free_desc_rings()
960 						 txdr->buffer_info[i].length,  in e1000_free_desc_rings()
962 			if (txdr->buffer_info[i].skb)  in e1000_free_desc_rings()
963 				dev_kfree_skb(txdr->buffer_info[i].skb);  in e1000_free_desc_rings()
978 	if (txdr->desc) {  in e1000_free_desc_rings()
979 		dma_free_coherent(&pdev->dev, txdr->size, txdr->desc,  in e1000_free_desc_rings()
980 				  txdr->dma);  in e1000_free_desc_rings()
981 		txdr->desc = NULL;  in e1000_free_desc_rings()
989 	kfree(txdr->buffer_info);  in e1000_free_desc_rings()
990 	txdr->buffer_info = NULL;  in e1000_free_desc_rings()
998 	struct e1000_tx_ring *txdr = &adapter->test_tx_ring;  in e1000_setup_desc_rings()  local
1006 	if (!txdr->count)  in e1000_setup_desc_rings()
1007 		txdr->count = E1000_DEFAULT_TXD;  in e1000_setup_desc_rings()
1009 	txdr->buffer_info = kcalloc(txdr->count, sizeof(struct e1000_tx_buffer),  in e1000_setup_desc_rings()
1011 	if (!txdr->buffer_info) {  in e1000_setup_desc_rings()
1016 	txdr->size = txdr->count * sizeof(struct e1000_tx_desc);  in e1000_setup_desc_rings()
1017 	txdr->size = ALIGN(txdr->size, 4096);  in e1000_setup_desc_rings()
1018 	txdr->desc = dma_zalloc_coherent(&pdev->dev, txdr->size, &txdr->dma,  in e1000_setup_desc_rings()
1020 	if (!txdr->desc) {  in e1000_setup_desc_rings()
1024 	txdr->next_to_use = txdr->next_to_clean = 0;  in e1000_setup_desc_rings()
1026 	ew32(TDBAL, ((u64)txdr->dma & 0x00000000FFFFFFFF));  in e1000_setup_desc_rings()
1027 	ew32(TDBAH, ((u64)txdr->dma >> 32));  in e1000_setup_desc_rings()
1028 	ew32(TDLEN, txdr->count * sizeof(struct e1000_tx_desc));  in e1000_setup_desc_rings()
1035 	for (i = 0; i < txdr->count; i++) {  in e1000_setup_desc_rings()
1036 		struct e1000_tx_desc *tx_desc = E1000_TX_DESC(*txdr, i);  in e1000_setup_desc_rings()
1046 		txdr->buffer_info[i].skb = skb;  in e1000_setup_desc_rings()
1047 		txdr->buffer_info[i].length = skb->len;  in e1000_setup_desc_rings()
1048 		txdr->buffer_info[i].dma =  in e1000_setup_desc_rings()
1051 		if (dma_mapping_error(&pdev->dev, txdr->buffer_info[i].dma)) {  in e1000_setup_desc_rings()
1055 		tx_desc->buffer_addr = cpu_to_le64(txdr->buffer_info[i].dma);  in e1000_setup_desc_rings()
1405 	struct e1000_tx_ring *txdr = &adapter->test_tx_ring;  in e1000_run_loopback_test()  local
1418 	if (rxdr->count <= txdr->count)  in e1000_run_loopback_test()
1419 		lc = ((txdr->count / 64) * 2) + 1;  in e1000_run_loopback_test()
1426 			e1000_create_lbtest_frame(txdr->buffer_info[i].skb,  in e1000_run_loopback_test()
1429 						   txdr->buffer_info[k].dma,  in e1000_run_loopback_test()
1430 						   txdr->buffer_info[k].length,  in e1000_run_loopback_test()
1432 			if (unlikely(++k == txdr->count))  in e1000_run_loopback_test()