46 	struct ftmac100_txdes txdes[TX_QUEUE_ENTRIES];  member
172 				  offsetof(struct ftmac100_descs, txdes));  in ftmac100_start_hw()
459 static void ftmac100_txdes_reset(struct ftmac100_txdes *txdes)  in ftmac100_txdes_reset()  argument
462 	txdes->txdes0 = 0;  in ftmac100_txdes_reset()
463 	txdes->txdes1 &= cpu_to_le32(FTMAC100_TXDES1_EDOTR);  in ftmac100_txdes_reset()
464 	txdes->txdes2 = 0;  in ftmac100_txdes_reset()
465 	txdes->txdes3 = 0;  in ftmac100_txdes_reset()
468 static bool ftmac100_txdes_owned_by_dma(struct ftmac100_txdes *txdes)  in ftmac100_txdes_owned_by_dma()  argument
470 	return txdes->txdes0 & cpu_to_le32(FTMAC100_TXDES0_TXDMA_OWN);  in ftmac100_txdes_owned_by_dma()
473 static void ftmac100_txdes_set_dma_own(struct ftmac100_txdes *txdes)  in ftmac100_txdes_set_dma_own()  argument
480 	txdes->txdes0 |= cpu_to_le32(FTMAC100_TXDES0_TXDMA_OWN);  in ftmac100_txdes_set_dma_own()
483 static bool ftmac100_txdes_excessive_collision(struct ftmac100_txdes *txdes)  in ftmac100_txdes_excessive_collision()  argument
485 	return txdes->txdes0 & cpu_to_le32(FTMAC100_TXDES0_TXPKT_EXSCOL);  in ftmac100_txdes_excessive_collision()
488 static bool ftmac100_txdes_late_collision(struct ftmac100_txdes *txdes)  in ftmac100_txdes_late_collision()  argument
490 	return txdes->txdes0 & cpu_to_le32(FTMAC100_TXDES0_TXPKT_LATECOL);  in ftmac100_txdes_late_collision()
493 static void ftmac100_txdes_set_end_of_ring(struct ftmac100_txdes *txdes)  in ftmac100_txdes_set_end_of_ring()  argument
495 	txdes->txdes1 |= cpu_to_le32(FTMAC100_TXDES1_EDOTR);  in ftmac100_txdes_set_end_of_ring()
498 static void ftmac100_txdes_set_first_segment(struct ftmac100_txdes *txdes)  in ftmac100_txdes_set_first_segment()  argument
500 	txdes->txdes1 |= cpu_to_le32(FTMAC100_TXDES1_FTS);  in ftmac100_txdes_set_first_segment()
503 static void ftmac100_txdes_set_last_segment(struct ftmac100_txdes *txdes)  in ftmac100_txdes_set_last_segment()  argument
505 	txdes->txdes1 |= cpu_to_le32(FTMAC100_TXDES1_LTS);  in ftmac100_txdes_set_last_segment()
508 static void ftmac100_txdes_set_txint(struct ftmac100_txdes *txdes)  in ftmac100_txdes_set_txint()  argument
510 	txdes->txdes1 |= cpu_to_le32(FTMAC100_TXDES1_TXIC);  in ftmac100_txdes_set_txint()
513 static void ftmac100_txdes_set_buffer_size(struct ftmac100_txdes *txdes,  in ftmac100_txdes_set_buffer_size()  argument
516 	txdes->txdes1 |= cpu_to_le32(FTMAC100_TXDES1_TXBUF_SIZE(len));  in ftmac100_txdes_set_buffer_size()
519 static void ftmac100_txdes_set_dma_addr(struct ftmac100_txdes *txdes,  in ftmac100_txdes_set_dma_addr()  argument
522 	txdes->txdes2 = cpu_to_le32(addr);  in ftmac100_txdes_set_dma_addr()
525 static dma_addr_t ftmac100_txdes_get_dma_addr(struct ftmac100_txdes *txdes)  in ftmac100_txdes_get_dma_addr()  argument
527 	return le32_to_cpu(txdes->txdes2);  in ftmac100_txdes_get_dma_addr()
534 static void ftmac100_txdes_set_skb(struct ftmac100_txdes *txdes, struct sk_buff *skb)  in ftmac100_txdes_set_skb()  argument
536 	txdes->txdes3 = (unsigned int)skb;  in ftmac100_txdes_set_skb()
539 static struct sk_buff *ftmac100_txdes_get_skb(struct ftmac100_txdes *txdes)  in ftmac100_txdes_get_skb()  argument
541 	return (struct sk_buff *)txdes->txdes3;  in ftmac100_txdes_get_skb()
564 	return &priv->descs->txdes[priv->tx_pointer];  in ftmac100_current_txdes()
569 	return &priv->descs->txdes[priv->tx_clean_pointer];  in ftmac100_current_clean_txdes()
575 	struct ftmac100_txdes *txdes;  in ftmac100_tx_complete_packet()  local
582 	txdes = ftmac100_current_clean_txdes(priv);  in ftmac100_tx_complete_packet()
584 	if (ftmac100_txdes_owned_by_dma(txdes))  in ftmac100_tx_complete_packet()
587 	skb = ftmac100_txdes_get_skb(txdes);  in ftmac100_tx_complete_packet()
588 	map = ftmac100_txdes_get_dma_addr(txdes);  in ftmac100_tx_complete_packet()
590 	if (unlikely(ftmac100_txdes_excessive_collision(txdes) ||  in ftmac100_tx_complete_packet()
591 		     ftmac100_txdes_late_collision(txdes))) {  in ftmac100_tx_complete_packet()
605 	ftmac100_txdes_reset(txdes);  in ftmac100_tx_complete_packet()
627 	struct ftmac100_txdes *txdes;  in ftmac100_xmit()  local
630 	txdes = ftmac100_current_txdes(priv);  in ftmac100_xmit()
634 	ftmac100_txdes_set_skb(txdes, skb);  in ftmac100_xmit()
635 	ftmac100_txdes_set_dma_addr(txdes, map);  in ftmac100_xmit()
637 	ftmac100_txdes_set_first_segment(txdes);  in ftmac100_xmit()
638 	ftmac100_txdes_set_last_segment(txdes);  in ftmac100_xmit()
639 	ftmac100_txdes_set_txint(txdes);  in ftmac100_xmit()
640 	ftmac100_txdes_set_buffer_size(txdes, len);  in ftmac100_xmit()
648 	ftmac100_txdes_set_dma_own(txdes);  in ftmac100_xmit()
704 		struct ftmac100_txdes *txdes = &priv->descs->txdes[i];  in ftmac100_free_buffers()  local
705 		struct sk_buff *skb = ftmac100_txdes_get_skb(txdes);  in ftmac100_free_buffers()
706 		dma_addr_t map = ftmac100_txdes_get_dma_addr(txdes);  in ftmac100_free_buffers()
740 	ftmac100_txdes_set_end_of_ring(&priv->descs->txdes[TX_QUEUE_ENTRIES - 1]);  in ftmac100_alloc_buffers()