646 	struct spider_net_descr_chain *chain = &card->tx_chain;  in spider_net_prepare_tx_descr()
662 	descr = card->tx_chain.head;  in spider_net_prepare_tx_descr()
702 	struct spider_net_descr *descr = card->tx_chain.tail;  in spider_net_set_low_watermark()
711 	while (descr != card->tx_chain.head) {  in spider_net_set_low_watermark()
720 	if (cnt < card->tx_chain.num_desc/4)  in spider_net_set_low_watermark()
724 	descr = card->tx_chain.tail;  in spider_net_set_low_watermark()
730 	spin_lock_irqsave(&card->tx_chain.lock, flags);  in spider_net_set_low_watermark()
738 	spin_unlock_irqrestore(&card->tx_chain.lock, flags);  in spider_net_set_low_watermark()
758 	struct spider_net_descr_chain *chain = &card->tx_chain;  in spider_net_release_tx_chain()
847 	descr = card->tx_chain.tail;  in spider_net_kick_tx_dma()
857 		if (descr == card->tx_chain.head)  in spider_net_kick_tx_dma()
1919 	result = spider_net_init_chain(card, &card->tx_chain);  in spider_net_open()
1957 	spider_net_free_chain(card, &card->tx_chain);  in spider_net_open()
2136 	spider_net_free_chain(card, &card->tx_chain);  in spider_net_stop()
2329 	card->tx_chain.num_desc = tx_descriptors;  in spider_net_alloc_card()
2330 	card->tx_chain.ring = card->darray + rx_descriptors;  in spider_net_alloc_card()