223 static inline unsigned int xgbe_tx_avail_desc(struct xgbe_ring *ring)  in xgbe_tx_avail_desc()  argument
225 	return (ring->rdesc_count - (ring->cur - ring->dirty));  in xgbe_tx_avail_desc()
228 static inline unsigned int xgbe_rx_dirty_desc(struct xgbe_ring *ring)  in xgbe_rx_dirty_desc()  argument
230 	return (ring->cur - ring->dirty);  in xgbe_rx_dirty_desc()
234 				    struct xgbe_ring *ring, unsigned int count)  in xgbe_maybe_stop_tx_queue()  argument
238 	if (count > xgbe_tx_avail_desc(ring)) {  in xgbe_maybe_stop_tx_queue()
242 		ring->tx.queue_stopped = 1;  in xgbe_maybe_stop_tx_queue()
247 		if (ring->tx.xmit_more)  in xgbe_maybe_stop_tx_queue()
248 			pdata->hw_if.tx_start_xmit(channel, ring);  in xgbe_maybe_stop_tx_queue()
740 	struct xgbe_ring *ring;  in xgbe_free_tx_data()  local
748 		ring = channel->tx_ring;  in xgbe_free_tx_data()
749 		if (!ring)  in xgbe_free_tx_data()
752 		for (j = 0; j < ring->rdesc_count; j++) {  in xgbe_free_tx_data()
753 			rdata = XGBE_GET_DESC_DATA(ring, j);  in xgbe_free_tx_data()
765 	struct xgbe_ring *ring;  in xgbe_free_rx_data()  local
773 		ring = channel->rx_ring;  in xgbe_free_rx_data()
774 		if (!ring)  in xgbe_free_rx_data()
777 		for (j = 0; j < ring->rdesc_count; j++) {  in xgbe_free_rx_data()
778 			rdata = XGBE_GET_DESC_DATA(ring, j);  in xgbe_free_rx_data()
1226 			     struct xgbe_ring *ring, struct sk_buff *skb,  in xgbe_packet_info()  argument
1244 		if (skb_shinfo(skb)->gso_size != ring->tx.cur_mss) {  in xgbe_packet_info()
1262 		if (skb_vlan_tag_get(skb) != ring->tx.cur_vlan_ctag)  in xgbe_packet_info()
1397 	struct xgbe_ring *ring;  in xgbe_xmit()  local
1406 	ring = channel->tx_ring;  in xgbe_xmit()
1407 	packet = &ring->packet_data;  in xgbe_xmit()
1420 	xgbe_packet_info(pdata, ring, skb, packet);  in xgbe_xmit()
1423 	ret = xgbe_maybe_stop_tx_queue(channel, ring, packet->rdesc_count);  in xgbe_xmit()
1453 	xgbe_maybe_stop_tx_queue(channel, ring, XGBE_TX_MAX_DESCS);  in xgbe_xmit()
1729 	struct xgbe_ring *ring = channel->rx_ring;  in xgbe_rx_refresh()  local
1732 	while (ring->dirty != ring->cur) {  in xgbe_rx_refresh()
1733 		rdata = XGBE_GET_DESC_DATA(ring, ring->dirty);  in xgbe_rx_refresh()
1738 		if (desc_if->map_rx_buffer(pdata, ring, rdata))  in xgbe_rx_refresh()
1741 		hw_if->rx_desc_reset(pdata, rdata, ring->dirty);  in xgbe_rx_refresh()
1743 		ring->dirty++;  in xgbe_rx_refresh()
1751 	rdata = XGBE_GET_DESC_DATA(ring, ring->dirty - 1);  in xgbe_rx_refresh()
1807 	struct xgbe_ring *ring = channel->tx_ring;  in xgbe_tx_poll()  local
1819 	if (!ring)  in xgbe_tx_poll()
1822 	cur = ring->cur;  in xgbe_tx_poll()
1830 	       (ring->dirty != cur)) {  in xgbe_tx_poll()
1831 		rdata = XGBE_GET_DESC_DATA(ring, ring->dirty);  in xgbe_tx_poll()
1842 			xgbe_dump_tx_desc(pdata, ring, ring->dirty, 1, 0);  in xgbe_tx_poll()
1854 		ring->dirty++;  in xgbe_tx_poll()
1862 	if ((ring->tx.queue_stopped == 1) &&  in xgbe_tx_poll()
1863 	    (xgbe_tx_avail_desc(ring) > XGBE_TX_DESC_MIN_FREE)) {  in xgbe_tx_poll()
1864 		ring->tx.queue_stopped = 0;  in xgbe_tx_poll()
1877 	struct xgbe_ring *ring = channel->rx_ring;  in xgbe_rx_poll()  local
1892 	if (!ring)  in xgbe_rx_poll()
1900 	rdata = XGBE_GET_DESC_DATA(ring, ring->cur);  in xgbe_rx_poll()
1901 	packet = &ring->packet_data;  in xgbe_rx_poll()
1903 		DBGPR("  cur = %d\n", ring->cur);  in xgbe_rx_poll()
1918 		rdata = XGBE_GET_DESC_DATA(ring, ring->cur);  in xgbe_rx_poll()
1920 		if (xgbe_rx_dirty_desc(ring) > (XGBE_RX_DESC_CNT >> 3))  in xgbe_rx_poll()
1927 		ring->cur++;  in xgbe_rx_poll()
2037 		rdata = XGBE_GET_DESC_DATA(ring, ring->cur);  in xgbe_rx_poll()
2119 void xgbe_dump_tx_desc(struct xgbe_prv_data *pdata, struct xgbe_ring *ring,  in xgbe_dump_tx_desc()  argument
2126 		rdata = XGBE_GET_DESC_DATA(ring, idx);  in xgbe_dump_tx_desc()
2139 void xgbe_dump_rx_desc(struct xgbe_prv_data *pdata, struct xgbe_ring *ring,  in xgbe_dump_rx_desc()  argument
2145 	rdata = XGBE_GET_DESC_DATA(ring, idx);  in xgbe_dump_rx_desc()