dev/xl/if_xl.c

2004 	struct xl_chain		*cur_tx;
2019 		cur_tx = sc->xl_cdata.xl_tx_head;
2024 		sc->xl_cdata.xl_tx_head = cur_tx->xl_next;
2025 		bus_dmamap_sync(sc->xl_mtag, cur_tx->xl_map,
2027 		bus_dmamap_unload(sc->xl_mtag, cur_tx->xl_map);
2028 		m_freem(cur_tx->xl_mbuf);
2029 		cur_tx->xl_mbuf = NULL;
2033 		cur_tx->xl_next = sc->xl_cdata.xl_tx_free;
2034 		sc->xl_cdata.xl_tx_free = cur_tx;
2053 	struct xl_chain		*cur_tx = NULL;
2063 		cur_tx = &sc->xl_cdata.xl_tx_chain[idx];
2065 		if (!(le32toh(cur_tx->xl_ptr->xl_status) &
2069 		if (cur_tx->xl_mbuf != NULL) {
2070 			bus_dmamap_sync(sc->xl_mtag, cur_tx->xl_map,
2072 			bus_dmamap_unload(sc->xl_mtag, cur_tx->xl_map);
2073 			m_freem(cur_tx->xl_mbuf);
2074 			cur_tx->xl_mbuf = NULL;
2087 	if (cur_tx != NULL)
2478 	struct xl_chain		*prev = NULL, *cur_tx = NULL, *start_tx;
2509 		prev_tx = cur_tx;
2510 		cur_tx = sc->xl_cdata.xl_tx_free;
2513 		error = xl_encap(sc, cur_tx, &m_head);
2515 			cur_tx = prev_tx;
2523 		sc->xl_cdata.xl_tx_free = cur_tx->xl_next;
2524 		cur_tx->xl_next = NULL;
2528 			prev->xl_next = cur_tx;
2529 			prev->xl_ptr->xl_next = htole32(cur_tx->xl_phys);
2531 		prev = cur_tx;
2537 		BPF_MTAP(ifp, cur_tx->xl_mbuf);
2543 	if (cur_tx == NULL)
2553 	cur_tx->xl_ptr->xl_status |= htole32(XL_TXSTAT_DL_INTR);
2568 		sc->xl_cdata.xl_tx_tail = cur_tx;
2571 		sc->xl_cdata.xl_tx_tail = cur_tx;
2610 	struct xl_chain		*prev = NULL, *cur_tx = NULL, *start_tx;
2634 		prev_tx = cur_tx;
2635 		cur_tx = &sc->xl_cdata.xl_tx_chain[idx];
2638 		error = xl_encap(sc, cur_tx, &m_head);
2640 			cur_tx = prev_tx;
2650 			prev->xl_ptr->xl_next = htole32(cur_tx->xl_phys);
2651 		prev = cur_tx;
2657 		BPF_MTAP(ifp, cur_tx->xl_mbuf);
2666 	if (cur_tx == NULL)
2676 	cur_tx->xl_ptr->xl_status |= htole32(XL_TXSTAT_DL_INTR);