diff options
| author | Brad Smith <brad@cvs.openbsd.org> | 2005-05-03 03:13:06 +0000 |
|---|---|---|
| committer | Brad Smith <brad@cvs.openbsd.org> | 2005-05-03 03:13:06 +0000 |
| commit | 9160bd40bfe1cf2a8155e00c62a9eeed136cfd91 (patch) | |
| tree | 4983d00997d63086abfc41043b1b9f4a721f5d86 | |
| parent | 6e3d4669e24109b707ee132715b0e72c4f4049ab (diff) | |
enable HW transmit checksum offload
ok pvalchev@
| -rw-r--r-- | sys/dev/pci/if_vge.c | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/sys/dev/pci/if_vge.c b/sys/dev/pci/if_vge.c index aac89725240..25f7f0c71a0 100644 --- a/sys/dev/pci/if_vge.c +++ b/sys/dev/pci/if_vge.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_vge.c,v 1.13 2005/04/30 19:41:24 brad Exp $ */ +/* $OpenBSD: if_vge.c,v 1.14 2005/05/03 03:13:05 brad Exp $ */ /* $FreeBSD: if_vge.c,v 1.3 2004/09/11 22:13:25 wpaul Exp $ */ /* * Copyright (c) 2004 @@ -814,15 +814,12 @@ vge_attach(struct device *parent, struct device *self, void *aux) IFQ_SET_MAXLEN(&ifp->if_snd, VGE_IFQ_MAXLEN); IFQ_SET_READY(&ifp->if_snd); - ifp->if_capabilities = IFCAP_VLAN_MTU; + ifp->if_capabilities = IFCAP_VLAN_MTU|IFCAP_CSUM_IPv4| + IFCAP_CSUM_TCPv4|IFCAP_CSUM_UDPv4; #ifdef VGE_VLAN ifp->if_capabilities |= IFCAP_VLAN_HWTAGGING; #endif -#ifdef VGE_CSUM_OFFLOAD - ifp->if_capabilities |= IFCAP_CSUM_IPv4|IFCAP_CSUM_TCPv4| - IFCAP_CSUM_UDPv4; -#endif /* Set interface name */ strlcpy(ifp->if_xname, sc->vge_dev.dv_xname, IFNAMSIZ); @@ -1331,6 +1328,16 @@ vge_encap(struct vge_softc *sc, struct mbuf *m_head, int idx) struct vge_tx_desc *d = NULL; struct vge_tx_frag *f; int error, frag; + u_int32_t vge_flags; + + vge_flags = 0; + + if (m_head->m_pkthdr.csum_flags & M_IPV4_CSUM_OUT) + vge_flags |= VGE_TDCTL_IPCSUM; + if (m_head->m_pkthdr.csum_flags & M_TCPV4_CSUM_OUT) + vge_flags |= VGE_TDCTL_TCPCSUM; + if (m_head->m_pkthdr.csum_flags & M_UDPV4_CSUM_OUT) + vge_flags |= VGE_TDCTL_UDPCSUM; txmap = sc->vge_ldata.vge_tx_dmamap[idx]; repack: @@ -1403,7 +1410,7 @@ repack: BUS_DMASYNC_PREWRITE); d->vge_sts = htole32(m_head->m_pkthdr.len << 16); - d->vge_ctl = htole32((frag << 28) | VGE_TD_LS_NORM); + d->vge_ctl = htole32(vge_flags|(frag << 28) | VGE_TD_LS_NORM); if (m_head->m_pkthdr.len > ETHERMTU + ETHER_HDR_LEN) d->vge_ctl |= htole32(VGE_TDCTL_JUMBO); |