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;
1934 static inline void e100_start_receiver(struct nic *nic, struct rx *rx)  in e100_start_receiver()  argument
1940 	if (!rx) rx = nic->rxs;  in e100_start_receiver()
1943 	if (rx->skb) {  in e100_start_receiver()
1944 		e100_exec_cmd(nic, ruc_start, rx->dma_addr);  in e100_start_receiver()
1950 static int e100_rx_alloc_skb(struct nic *nic, struct rx *rx)  in e100_rx_alloc_skb()  argument
1952 	if (!(rx->skb = netdev_alloc_skb_ip_align(nic->netdev, RFD_BUF_LEN)))  in e100_rx_alloc_skb()
1956 	skb_copy_to_linear_data(rx->skb, &nic->blank_rfd, sizeof(struct rfd));  in e100_rx_alloc_skb()
1957 	rx->dma_addr = pci_map_single(nic->pdev, rx->skb->data,  in e100_rx_alloc_skb()
1960 	if (pci_dma_mapping_error(nic->pdev, rx->dma_addr)) {  in e100_rx_alloc_skb()
1961 		dev_kfree_skb_any(rx->skb);  in e100_rx_alloc_skb()
1962 		rx->skb = NULL;  in e100_rx_alloc_skb()
1963 		rx->dma_addr = 0;  in e100_rx_alloc_skb()
1970 	if (rx->prev->skb) {  in e100_rx_alloc_skb()
1971 		struct rfd *prev_rfd = (struct rfd *)rx->prev->skb->data;  in e100_rx_alloc_skb()
1972 		put_unaligned_le32(rx->dma_addr, &prev_rfd->link);  in e100_rx_alloc_skb()
1973 		pci_dma_sync_single_for_device(nic->pdev, rx->prev->dma_addr,  in e100_rx_alloc_skb()
1980 static int e100_rx_indicate(struct nic *nic, struct rx *rx,  in e100_rx_indicate()  argument
1984 	struct sk_buff *skb = rx->skb;  in e100_rx_indicate()
1993 	pci_dma_sync_single_for_cpu(nic->pdev, rx->dma_addr,  in e100_rx_indicate()
2013 		pci_dma_sync_single_for_device(nic->pdev, rx->dma_addr,  in e100_rx_indicate()
2027 	pci_unmap_single(nic->pdev, rx->dma_addr,  in e100_rx_indicate()
2074 	rx->skb = NULL;  in e100_rx_indicate()
2082 	struct rx *rx;  in e100_rx_clean()  local
2084 	struct rx *old_before_last_rx, *new_before_last_rx;  in e100_rx_clean()
2088 	for (rx = nic->rx_to_clean; rx->skb; rx = nic->rx_to_clean = rx->next) {  in e100_rx_clean()
2089 		err = e100_rx_indicate(nic, rx, work_done, work_to_do);  in e100_rx_clean()
2109 	for (rx = nic->rx_to_use; !rx->skb; rx = nic->rx_to_use = rx->next) {  in e100_rx_clean()
2110 		if (unlikely(e100_rx_alloc_skb(nic, rx)))  in e100_rx_clean()
2158 	struct rx *rx;  in e100_rx_clean_list()  local
2164 		for (rx = nic->rxs, i = 0; i < count; rx++, i++) {  in e100_rx_clean_list()
2165 			if (rx->skb) {  in e100_rx_clean_list()
2166 				pci_unmap_single(nic->pdev, rx->dma_addr,  in e100_rx_clean_list()
2168 				dev_kfree_skb(rx->skb);  in e100_rx_clean_list()
2180 	struct rx *rx;  in e100_rx_alloc_list()  local
2187 	if (!(nic->rxs = kcalloc(count, sizeof(struct rx), GFP_ATOMIC)))  in e100_rx_alloc_list()
2190 	for (rx = nic->rxs, i = 0; i < count; rx++, i++) {  in e100_rx_alloc_list()
2191 		rx->next = (i + 1 < count) ? rx + 1 : nic->rxs;  in e100_rx_alloc_list()
2192 		rx->prev = (i == 0) ? nic->rxs + count - 1 : rx - 1;  in e100_rx_alloc_list()
2193 		if (e100_rx_alloc_skb(nic, rx)) {  in e100_rx_alloc_list()
2205 	rx = nic->rxs->prev->prev;  in e100_rx_alloc_list()
2206 	before_last = (struct rfd *)rx->skb->data;  in e100_rx_alloc_list()
2209 	pci_dma_sync_single_for_device(nic->pdev, rx->dma_addr,  in e100_rx_alloc_list()