diff options
author | Mike Belopuhov <mikeb@cvs.openbsd.org> | 2017-12-09 14:00:22 +0000 |
---|---|---|
committer | Mike Belopuhov <mikeb@cvs.openbsd.org> | 2017-12-09 14:00:22 +0000 |
commit | 0739c4672543a26cc0c0df9fab292d265a926565 (patch) | |
tree | c969da3b95ed230cca247918e4039a2410b6515f /sys/dev/pv | |
parent | ea721503cfd8b6f4951a98d573bfe94b675b85c6 (diff) |
No need for the txb_used flag anymore
Diffstat (limited to 'sys/dev/pv')
-rw-r--r-- | sys/dev/pv/if_xnf.c | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/sys/dev/pv/if_xnf.c b/sys/dev/pv/if_xnf.c index d044d596eb7..1f5c3916062 100644 --- a/sys/dev/pv/if_xnf.c +++ b/sys/dev/pv/if_xnf.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_xnf.c,v 1.61 2017/11/08 00:37:18 mikeb Exp $ */ +/* $OpenBSD: if_xnf.c,v 1.62 2017/12/09 14:00:21 mikeb Exp $ */ /* * Copyright (c) 2015, 2016 Mike Belopuhov @@ -140,8 +140,7 @@ struct xnf_tx_ring { } __packed; struct xnf_tx_buf { - uint16_t txb_used; - uint16_t txb_ndesc; + uint32_t txb_ndesc; bus_dmamap_t txb_dmap; struct mbuf *txb_mbuf; }; @@ -595,7 +594,7 @@ xnf_encap(struct xnf_softc *sc, struct mbuf *m_head, uint32_t *prod) do { id = sc->sc_tx_next++ & (XNF_TX_DESC - 1); txb = &sc->sc_tx_buf[id]; - } while (txb->txb_used); + } while (txb->txb_mbuf); if (bus_dmamap_load(sc->sc_dmat, txb->txb_dmap, m->m_data, m->m_len, NULL, flags)) { @@ -634,7 +633,6 @@ xnf_encap(struct xnf_softc *sc, struct mbuf *m_head, uint32_t *prod) } txb->txb_mbuf = m; - txb->txb_used = 1; used++; } @@ -666,7 +664,6 @@ xnf_encap(struct xnf_softc *sc, struct mbuf *m_head, uint32_t *prod) txb->txb_mbuf = NULL; txb->txb_ndesc = 0; - txb->txb_used = 0; } } return (ENOBUFS); @@ -724,7 +721,6 @@ xnf_txeof(struct xnf_softc *sc) m_free(txb->txb_mbuf); txb->txb_mbuf = NULL; - txb->txb_used = 0; done++; } @@ -1082,7 +1078,6 @@ xnf_tx_ring_destroy(struct xnf_softc *sc) continue; m_free(sc->sc_tx_buf[i].txb_mbuf); sc->sc_tx_buf[i].txb_mbuf = NULL; - sc->sc_tx_buf[i].txb_used = 0; sc->sc_tx_buf[i].txb_ndesc = 0; } if (sc->sc_tx_rmap) { |