552 	struct acx_buf_data *bd = &sc->sc_buf_data;  in acx_stop()  local
580 		buf = &bd->tx_buf[i];  in acx_stop()
599 		if (bd->rx_buf[i].rb_mbuf != NULL) {  in acx_stop()
601 			    bd->rx_buf[i].rb_mbuf_dmamap);  in acx_stop()
602 			m_freem(bd->rx_buf[i].rb_mbuf);  in acx_stop()
603 			bd->rx_buf[i].rb_mbuf = NULL;  in acx_stop()
896 	struct acx_buf_data *bd = &sc->sc_buf_data;  in acx_start()  local
911 	idx = bd->tx_free_start;  in acx_start()
913 	for (buf = &bd->tx_buf[idx]; buf->tb_mbuf == NULL;  in acx_start()
914 	     buf = &bd->tx_buf[idx]) {  in acx_start()
1052 		bd->tx_used_count++;  in acx_start()
1055 	bd->tx_free_start = idx;  in acx_start()
1057 	if (bd->tx_used_count == ACX_TX_DESC_CNT)  in acx_start()
1144 	struct acx_buf_data *bd;  in acx_txeof()  local
1151 	bd = &sc->sc_buf_data;  in acx_txeof()
1152 	idx = bd->tx_used_start;  in acx_txeof()
1153 	for (buf = &bd->tx_buf[idx]; buf->tb_mbuf != NULL;  in acx_txeof()
1154 	     buf = &bd->tx_buf[idx]) {  in acx_txeof()
1198 		bd->tx_used_count--;  in acx_txeof()
1202 	bd->tx_used_start = idx;  in acx_txeof()
1204 	sc->sc_txtimer = bd->tx_used_count == 0 ? 0 : 5;  in acx_txeof()
1206 	if (bd->tx_used_count != ACX_TX_DESC_CNT) {  in acx_txeof()
1285 	struct acx_buf_data *bd = &sc->sc_buf_data;  in acx_rxeof()  local
1296 	idx = bd->rx_scan_start;  in acx_rxeof()
1301 		buf = &bd->rx_buf[idx];  in acx_rxeof()
1308 	} while (idx != bd->rx_scan_start);  in acx_rxeof()
1326 		buf = &bd->rx_buf[idx];  in acx_rxeof()
1415 	} while (idx != bd->rx_scan_start);  in acx_rxeof()
1421 	bd->rx_scan_start = idx;  in acx_rxeof()
1888 	struct acx_buf_data *bd = &sc->sc_buf_data;  in acx_dma_alloc()  local
1974 	    0, 0, &bd->mbuf_tmp_dmamap);  in acx_dma_alloc()
1985 		    MCLBYTES, 0, 0, &bd->rx_buf[i].rb_mbuf_dmamap);  in acx_dma_alloc()
1991 		bd->rx_buf[i].rb_desc = &rd->rx_ring[i];  in acx_dma_alloc()
1997 		    MCLBYTES, 0, 0, &bd->tx_buf[i].tb_mbuf_dmamap);  in acx_dma_alloc()
2003 		bd->tx_buf[i].tb_desc1 = &rd->tx_ring[i * 2];  in acx_dma_alloc()
2004 		bd->tx_buf[i].tb_desc2 = &rd->tx_ring[(i * 2) + 1];  in acx_dma_alloc()
2014 	struct acx_buf_data *bd = &sc->sc_buf_data;  in acx_dma_free()  local
2028 		if (bd->rx_buf[i].rb_desc != NULL) {  in acx_dma_free()
2029 			if (bd->rx_buf[i].rb_mbuf != NULL) {  in acx_dma_free()
2031 				    bd->rx_buf[i].rb_mbuf_dmamap);  in acx_dma_free()
2032 				m_freem(bd->rx_buf[i].rb_mbuf);  in acx_dma_free()
2035 			    bd->rx_buf[i].rb_mbuf_dmamap);  in acx_dma_free()
2040 		if (bd->tx_buf[i].tb_desc1 != NULL) {  in acx_dma_free()
2041 			if (bd->tx_buf[i].tb_mbuf != NULL) {  in acx_dma_free()
2043 				    bd->tx_buf[i].tb_mbuf_dmamap);  in acx_dma_free()
2044 				m_freem(bd->tx_buf[i].tb_mbuf);  in acx_dma_free()
2047 			    bd->tx_buf[i].tb_mbuf_dmamap);  in acx_dma_free()
2051 	if (bd->mbuf_tmp_dmamap != NULL)  in acx_dma_free()
2052 		bus_dmamap_destroy(sc->sc_dmat, bd->mbuf_tmp_dmamap);  in acx_dma_free()
2059 	struct acx_buf_data *bd;  in acx_init_tx_ring()  local
2080 	bd = &sc->sc_buf_data;  in acx_init_tx_ring()
2081 	bd->tx_free_start = 0;  in acx_init_tx_ring()
2082 	bd->tx_used_start = 0;  in acx_init_tx_ring()
2083 	bd->tx_used_count = 0;  in acx_init_tx_ring()
2090 	struct acx_buf_data *bd;  in acx_init_rx_ring()  local
2094 	bd = &sc->sc_buf_data;  in acx_init_rx_ring()
2104 		error = acx_newbuf(sc, &bd->rx_buf[i], 1);  in acx_init_rx_ring()
2117 	bd->rx_scan_start = 0;  in acx_init_rx_ring()
2125 	struct acx_buf_data *bd;  in acx_newbuf()  local
2131 	bd = &sc->sc_buf_data;  in acx_newbuf()
2145 	error = bus_dmamap_load_mbuf(sc->sc_dmat, bd->mbuf_tmp_dmamap, m,  in acx_newbuf()
2160 	rb->rb_mbuf_dmamap = bd->mbuf_tmp_dmamap;  in acx_newbuf()
2161 	bd->mbuf_tmp_dmamap = map;  in acx_newbuf()