59 	struct ftmac100_txdes txdes[TX_QUEUE_ENTRIES];  member
185 				  offsetof(struct ftmac100_descs, txdes));  in ftmac100_start_hw()
471 static void ftmac100_txdes_reset(struct ftmac100_txdes *txdes)  in ftmac100_txdes_reset()  argument
474 	txdes->txdes0 = 0;  in ftmac100_txdes_reset()
475 	txdes->txdes1 &= cpu_to_le32(FTMAC100_TXDES1_EDOTR);  in ftmac100_txdes_reset()
476 	txdes->txdes2 = 0;  in ftmac100_txdes_reset()
477 	txdes->txdes3 = 0;  in ftmac100_txdes_reset()
480 static bool ftmac100_txdes_owned_by_dma(struct ftmac100_txdes *txdes)  in ftmac100_txdes_owned_by_dma()  argument
482 	return txdes->txdes0 & cpu_to_le32(FTMAC100_TXDES0_TXDMA_OWN);  in ftmac100_txdes_owned_by_dma()
485 static void ftmac100_txdes_set_dma_own(struct ftmac100_txdes *txdes)  in ftmac100_txdes_set_dma_own()  argument
492 	txdes->txdes0 |= cpu_to_le32(FTMAC100_TXDES0_TXDMA_OWN);  in ftmac100_txdes_set_dma_own()
495 static bool ftmac100_txdes_excessive_collision(struct ftmac100_txdes *txdes)  in ftmac100_txdes_excessive_collision()  argument
497 	return txdes->txdes0 & cpu_to_le32(FTMAC100_TXDES0_TXPKT_EXSCOL);  in ftmac100_txdes_excessive_collision()
500 static bool ftmac100_txdes_late_collision(struct ftmac100_txdes *txdes)  in ftmac100_txdes_late_collision()  argument
502 	return txdes->txdes0 & cpu_to_le32(FTMAC100_TXDES0_TXPKT_LATECOL);  in ftmac100_txdes_late_collision()
505 static void ftmac100_txdes_set_end_of_ring(struct ftmac100_txdes *txdes)  in ftmac100_txdes_set_end_of_ring()  argument
507 	txdes->txdes1 |= cpu_to_le32(FTMAC100_TXDES1_EDOTR);  in ftmac100_txdes_set_end_of_ring()
510 static void ftmac100_txdes_set_first_segment(struct ftmac100_txdes *txdes)  in ftmac100_txdes_set_first_segment()  argument
512 	txdes->txdes1 |= cpu_to_le32(FTMAC100_TXDES1_FTS);  in ftmac100_txdes_set_first_segment()
515 static void ftmac100_txdes_set_last_segment(struct ftmac100_txdes *txdes)  in ftmac100_txdes_set_last_segment()  argument
517 	txdes->txdes1 |= cpu_to_le32(FTMAC100_TXDES1_LTS);  in ftmac100_txdes_set_last_segment()
520 static void ftmac100_txdes_set_txint(struct ftmac100_txdes *txdes)  in ftmac100_txdes_set_txint()  argument
522 	txdes->txdes1 |= cpu_to_le32(FTMAC100_TXDES1_TXIC);  in ftmac100_txdes_set_txint()
525 static void ftmac100_txdes_set_buffer_size(struct ftmac100_txdes *txdes,  in ftmac100_txdes_set_buffer_size()  argument
528 	txdes->txdes1 |= cpu_to_le32(FTMAC100_TXDES1_TXBUF_SIZE(len));  in ftmac100_txdes_set_buffer_size()
531 static void ftmac100_txdes_set_dma_addr(struct ftmac100_txdes *txdes,  in ftmac100_txdes_set_dma_addr()  argument
534 	txdes->txdes2 = cpu_to_le32(addr);  in ftmac100_txdes_set_dma_addr()
537 static dma_addr_t ftmac100_txdes_get_dma_addr(struct ftmac100_txdes *txdes)  in ftmac100_txdes_get_dma_addr()  argument
539 	return le32_to_cpu(txdes->txdes2);  in ftmac100_txdes_get_dma_addr()
546 static void ftmac100_txdes_set_skb(struct ftmac100_txdes *txdes, struct sk_buff *skb)  in ftmac100_txdes_set_skb()  argument
548 	txdes->txdes3 = (unsigned int)skb;  in ftmac100_txdes_set_skb()
551 static struct sk_buff *ftmac100_txdes_get_skb(struct ftmac100_txdes *txdes)  in ftmac100_txdes_get_skb()  argument
553 	return (struct sk_buff *)txdes->txdes3;  in ftmac100_txdes_get_skb()
576 	return &priv->descs->txdes[priv->tx_pointer];  in ftmac100_current_txdes()
581 	return &priv->descs->txdes[priv->tx_clean_pointer];  in ftmac100_current_clean_txdes()
587 	struct ftmac100_txdes *txdes;  in ftmac100_tx_complete_packet()  local
594 	txdes = ftmac100_current_clean_txdes(priv);  in ftmac100_tx_complete_packet()
596 	if (ftmac100_txdes_owned_by_dma(txdes))  in ftmac100_tx_complete_packet()
599 	skb = ftmac100_txdes_get_skb(txdes);  in ftmac100_tx_complete_packet()
600 	map = ftmac100_txdes_get_dma_addr(txdes);  in ftmac100_tx_complete_packet()
602 	if (unlikely(ftmac100_txdes_excessive_collision(txdes) ||  in ftmac100_tx_complete_packet()
603 		     ftmac100_txdes_late_collision(txdes))) {  in ftmac100_tx_complete_packet()
617 	ftmac100_txdes_reset(txdes);  in ftmac100_tx_complete_packet()
639 	struct ftmac100_txdes *txdes;  in ftmac100_xmit()  local
642 	txdes = ftmac100_current_txdes(priv);  in ftmac100_xmit()
646 	ftmac100_txdes_set_skb(txdes, skb);  in ftmac100_xmit()
647 	ftmac100_txdes_set_dma_addr(txdes, map);  in ftmac100_xmit()
649 	ftmac100_txdes_set_first_segment(txdes);  in ftmac100_xmit()
650 	ftmac100_txdes_set_last_segment(txdes);  in ftmac100_xmit()
651 	ftmac100_txdes_set_txint(txdes);  in ftmac100_xmit()
652 	ftmac100_txdes_set_buffer_size(txdes, len);  in ftmac100_xmit()
660 	ftmac100_txdes_set_dma_own(txdes);  in ftmac100_xmit()
716 		struct ftmac100_txdes *txdes = &priv->descs->txdes[i];  in ftmac100_free_buffers()  local
717 		struct sk_buff *skb = ftmac100_txdes_get_skb(txdes);  in ftmac100_free_buffers()
718 		dma_addr_t map = ftmac100_txdes_get_dma_addr(txdes);  in ftmac100_free_buffers()
753 	ftmac100_txdes_set_end_of_ring(&priv->descs->txdes[TX_QUEUE_ENTRIES - 1]);  in ftmac100_alloc_buffers()