444 struct rx {  struct
445 	struct rx *next, *prev;  argument
572 	struct rx *rxs				____cacheline_aligned;
573 	struct rx *rx_to_use;
574 	struct rx *rx_to_clean;
1931 static inline void e100_start_receiver(struct nic *nic, struct rx *rx)  in e100_start_receiver()  argument
1937 	if (!rx) rx = nic->rxs;  in e100_start_receiver()
1940 	if (rx->skb) {  in e100_start_receiver()
1941 		e100_exec_cmd(nic, ruc_start, rx->dma_addr);  in e100_start_receiver()
1947 static int e100_rx_alloc_skb(struct nic *nic, struct rx *rx)  in e100_rx_alloc_skb()  argument
1949 	if (!(rx->skb = netdev_alloc_skb_ip_align(nic->netdev, RFD_BUF_LEN)))  in e100_rx_alloc_skb()
1953 	skb_copy_to_linear_data(rx->skb, &nic->blank_rfd, sizeof(struct rfd));  in e100_rx_alloc_skb()
1954 	rx->dma_addr = pci_map_single(nic->pdev, rx->skb->data,  in e100_rx_alloc_skb()
1957 	if (pci_dma_mapping_error(nic->pdev, rx->dma_addr)) {  in e100_rx_alloc_skb()
1958 		dev_kfree_skb_any(rx->skb);  in e100_rx_alloc_skb()
1959 		rx->skb = NULL;  in e100_rx_alloc_skb()
1960 		rx->dma_addr = 0;  in e100_rx_alloc_skb()
1967 	if (rx->prev->skb) {  in e100_rx_alloc_skb()
1968 		struct rfd *prev_rfd = (struct rfd *)rx->prev->skb->data;  in e100_rx_alloc_skb()
1969 		put_unaligned_le32(rx->dma_addr, &prev_rfd->link);  in e100_rx_alloc_skb()
1970 		pci_dma_sync_single_for_device(nic->pdev, rx->prev->dma_addr,  in e100_rx_alloc_skb()
1977 static int e100_rx_indicate(struct nic *nic, struct rx *rx,  in e100_rx_indicate()  argument
1981 	struct sk_buff *skb = rx->skb;  in e100_rx_indicate()
1990 	pci_dma_sync_single_for_cpu(nic->pdev, rx->dma_addr,  in e100_rx_indicate()
2010 		pci_dma_sync_single_for_device(nic->pdev, rx->dma_addr,  in e100_rx_indicate()
2024 	pci_unmap_single(nic->pdev, rx->dma_addr,  in e100_rx_indicate()
2071 	rx->skb = NULL;  in e100_rx_indicate()
2079 	struct rx *rx;  in e100_rx_clean()  local
2081 	struct rx *old_before_last_rx, *new_before_last_rx;  in e100_rx_clean()
2085 	for (rx = nic->rx_to_clean; rx->skb; rx = nic->rx_to_clean = rx->next) {  in e100_rx_clean()
2086 		err = e100_rx_indicate(nic, rx, work_done, work_to_do);  in e100_rx_clean()
2106 	for (rx = nic->rx_to_use; !rx->skb; rx = nic->rx_to_use = rx->next) {  in e100_rx_clean()
2107 		if (unlikely(e100_rx_alloc_skb(nic, rx)))  in e100_rx_clean()
2155 	struct rx *rx;  in e100_rx_clean_list()  local
2161 		for (rx = nic->rxs, i = 0; i < count; rx++, i++) {  in e100_rx_clean_list()
2162 			if (rx->skb) {  in e100_rx_clean_list()
2163 				pci_unmap_single(nic->pdev, rx->dma_addr,  in e100_rx_clean_list()
2165 				dev_kfree_skb(rx->skb);  in e100_rx_clean_list()
2177 	struct rx *rx;  in e100_rx_alloc_list()  local
2184 	if (!(nic->rxs = kcalloc(count, sizeof(struct rx), GFP_ATOMIC)))  in e100_rx_alloc_list()
2187 	for (rx = nic->rxs, i = 0; i < count; rx++, i++) {  in e100_rx_alloc_list()
2188 		rx->next = (i + 1 < count) ? rx + 1 : nic->rxs;  in e100_rx_alloc_list()
2189 		rx->prev = (i == 0) ? nic->rxs + count - 1 : rx - 1;  in e100_rx_alloc_list()
2190 		if (e100_rx_alloc_skb(nic, rx)) {  in e100_rx_alloc_list()
2202 	rx = nic->rxs->prev->prev;  in e100_rx_alloc_list()
2203 	before_last = (struct rfd *)rx->skb->data;  in e100_rx_alloc_list()
2206 	pci_dma_sync_single_for_device(nic->pdev, rx->dma_addr,  in e100_rx_alloc_list()