diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 2009-08-09 11:40:59 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 2009-08-09 11:40:59 +0000 |
| commit | 238ecfedf5eb81ff8e786e9cec23c9f422951a3a (patch) | |
| tree | d8372c1a05c03969508d1bff93a0058199babb9b /sys/arch/sparc64/dev | |
| parent | 4a5b03862209236ce66103e379544f2e1e0f8853 (diff) | |
MCLGETI() will now allocate a mbuf header if it is not provided, thus
reducing the amount of splnet/splx dancing required.. especially in the
worst case (of m_cldrop)
ok dlg kettenis damien
Diffstat (limited to 'sys/arch/sparc64/dev')
| -rw-r--r-- | sys/arch/sparc64/dev/vnet.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/sys/arch/sparc64/dev/vnet.c b/sys/arch/sparc64/dev/vnet.c index 0364bddfa7f..c7cac05fbf9 100644 --- a/sys/arch/sparc64/dev/vnet.c +++ b/sys/arch/sparc64/dev/vnet.c @@ -1,4 +1,4 @@ -/* $OpenBSD: vnet.c,v 1.16 2009/05/12 21:33:38 kettenis Exp $ */ +/* $OpenBSD: vnet.c,v 1.17 2009/08/09 11:40:58 deraadt Exp $ */ /* * Copyright (c) 2009 Mark Kettenis * @@ -681,14 +681,10 @@ vnet_rx_vio_dring_data(struct vnet_softc *sc, struct vio_msg_tag *tag) if (desc.hdr.dstate != VIO_DESC_READY) break; - MGETHDR(m, M_DONTWAIT, MT_DATA); - if(m == NULL) + m = MCLGETI(NULL, M_DONTWAIT, &sc->sc_ac.ac_if, + MCLBYTES); + if (!m) break; - MCLGETI(m, M_DONTWAIT, &sc->sc_ac.ac_if, MCLBYTES); - if ((m->m_flags & M_EXT) == 0) { - m_freem(m); - break; - } ifp->if_ipackets++; m->m_pkthdr.rcvif = ifp; m->m_len = m->m_pkthdr.len = desc.nbytes; |