diff options
| author | Brad Smith <brad@cvs.openbsd.org> | 2014-12-19 04:53:59 +0000 |
|---|---|---|
| committer | Brad Smith <brad@cvs.openbsd.org> | 2014-12-19 04:53:59 +0000 |
| commit | 40ac43966a02a9df27bd6166381399205a4db7a0 (patch) | |
| tree | b41ce11cf6aa407063717533ac79ee3eca8b7f0e /sys | |
| parent | 10b0744127bc28e3270ce693382ce4cd5f504fc5 (diff) | |
Make use of m_defrag() in re_encap().
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/dev/ic/re.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/sys/dev/ic/re.c b/sys/dev/ic/re.c index 32219a78801..439d8ec17d4 100644 --- a/sys/dev/ic/re.c +++ b/sys/dev/ic/re.c @@ -1,4 +1,4 @@ -/* $OpenBSD: re.c,v 1.163 2014/11/24 10:33:37 brad Exp $ */ +/* $OpenBSD: re.c,v 1.164 2014/12/19 04:53:58 brad Exp $ */ /* $FreeBSD: if_re.c,v 1.31 2004/09/04 07:54:05 ru Exp $ */ /* * Copyright (c) 1997, 1998-2003 @@ -1635,12 +1635,21 @@ re_encap(struct rl_softc *sc, struct mbuf *m, int *idx) txq = &sc->rl_ldata.rl_txq[*idx]; map = txq->txq_dmamap; + error = bus_dmamap_load_mbuf(sc->sc_dmat, map, m, BUS_DMA_WRITE|BUS_DMA_NOWAIT); - if (error) { - /* XXX try to defrag if EFBIG? */ - printf("%s: can't map mbuf (error %d)\n", - sc->sc_dev.dv_xname, error); + switch (error) { + case 0: + break; + + case EFBIG: + if ((error = m_defrag(m, M_DONTWAIT)) == 0 && + (error = bus_dmamap_load_mbuf(sc->sc_dmat, map, m, + BUS_DMA_WRITE|BUS_DMA_NOWAIT)) == 0) + break; + + /* FALLTHROUGH */ + default: return (error); } |