diff options
| author | Brad Smith <brad@cvs.openbsd.org> | 2008-10-22 03:03:49 +0000 |
|---|---|---|
| committer | Brad Smith <brad@cvs.openbsd.org> | 2008-10-22 03:03:49 +0000 |
| commit | a76b0166bce8cfc15ebaefa80bbafd8c04e9bc38 (patch) | |
| tree | c460c3001d0abb07cc3047af7cd7184e07196123 /sys/dev/pci/if_stge.c | |
| parent | d1426f8998b45b992e87f53a14b3cb8c9dcf9792 (diff) | |
Add support TX VLAN tag insertion and RX VLAN tag stripping.
Diffstat (limited to 'sys/dev/pci/if_stge.c')
| -rw-r--r-- | sys/dev/pci/if_stge.c | 55 |
1 files changed, 39 insertions, 16 deletions
diff --git a/sys/dev/pci/if_stge.c b/sys/dev/pci/if_stge.c index d9e75e8e1d1..c05e341855f 100644 --- a/sys/dev/pci/if_stge.c +++ b/sys/dev/pci/if_stge.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_stge.c,v 1.41 2008/10/02 20:21:14 brad Exp $ */ +/* $OpenBSD: if_stge.c,v 1.42 2008/10/22 03:03:48 brad Exp $ */ /* $NetBSD: if_stge.c,v 1.27 2005/05/16 21:35:32 bouyer Exp $ */ /*- @@ -390,6 +390,10 @@ stge_attach(struct device *parent, struct device *self, void *aux) ifp->if_capabilities = IFCAP_VLAN_MTU; +#if NVLAN > 0 + ifp->if_capabilities |= IFCAP_VLAN_HWTAGGING; +#endif + /* * The manual recommends disabling early transmit, so we * do. It's disabled anyway, if using IP checksumming, @@ -501,7 +505,7 @@ stge_start(struct ifnet *ifp) struct stge_tfd *tfd; bus_dmamap_t dmamap; int error, firsttx, nexttx, opending, seg, totlen; - uint64_t csum_flags = 0; + uint64_t csum_flags = 0, tfc; if ((ifp->if_flags & (IFF_RUNNING|IFF_OACTIVE)) != IFF_RUNNING) return; @@ -602,11 +606,19 @@ stge_start(struct ifnet *ifp) /* * Initialize the descriptor and give it to the chip. */ - tfd->tfd_control = htole64(TFD_FrameId(nexttx) | - TFD_WordAlign(/*totlen & */3) | - TFD_FragCount(seg) | csum_flags | - (((nexttx & STGE_TXINTR_SPACING_MASK) == 0) ? - TFD_TxDMAIndicate : 0)); + tfc = TFD_FrameId(nexttx) | TFD_WordAlign(/*totlen & */3) | + TFD_FragCount(seg) | csum_flags; + if ((nexttx & STGE_TXINTR_SPACING_MASK) == 0) + tfc |= TFD_TxDMAIndicate; + +#if NVLAN > 0 + /* Check if we have a VLAN tag to insert. */ + if (m0->m_flags & M_VLANTAG) + tfc |= (TFD_VLANTagInsert | + TFD_VID(m0->m_pkthdr.ether_vtag)); +#endif + + tfd->tfd_control = htole64(tfc); /* Sync the descriptor. */ STGE_CDTXSYNC(sc, nexttx, @@ -1029,16 +1041,23 @@ stge_rxintr(struct stge_softc *sc) /* * Set the incoming checksum information for the packet. */ - if (status & RFD_IPDetected) { - if (!(status & RFD_IPError)) - m->m_pkthdr.csum_flags |= M_IPV4_CSUM_IN_OK; - if ((status & RFD_TCPDetected) && - (!(status & RFD_TCPError))) - m->m_pkthdr.csum_flags |= M_TCP_CSUM_IN_OK; - else if ((status & RFD_UDPDetected) && - (!(status & RFD_UDPError))) - m->m_pkthdr.csum_flags |= M_UDP_CSUM_IN_OK; + if ((status & RFD_IPDetected) && + (!(status & RFD_IPError))) + m->m_pkthdr.csum_flags |= M_IPV4_CSUM_IN_OK; + if ((status & RFD_TCPDetected) && + (!(status & RFD_TCPError))) + m->m_pkthdr.csum_flags |= M_TCP_CSUM_IN_OK; + else if ((status & RFD_UDPDetected) && + (!(status & RFD_UDPError))) + m->m_pkthdr.csum_flags |= M_UDP_CSUM_IN_OK; + +#if NVLAN > 0 + /* Check for VLAN tagged packets. */ + if (status & RFD_VLANDetected) { + m->m_pkthdr.ether_vtag = RFD_TCI(status); + m->m_flags |= M_VLANTAG; } +#endif m->m_pkthdr.rcvif = ifp; m->m_pkthdr.len = len; @@ -1314,6 +1333,10 @@ stge_init(struct ifnet *ifp) */ sc->sc_MACCtrl = MC_IFSSelect(0); CSR_WRITE_4(sc, STGE_MACCtrl, sc->sc_MACCtrl); + + if (ifp->if_capabilities & IFCAP_VLAN_HWTAGGING) + sc->sc_MACCtrl = MC_AutoVLANuntagging; + sc->sc_MACCtrl |= MC_StatisticsEnable | MC_TxEnable | MC_RxEnable; if (sc->sc_rev >= 6) { /* >= B.2 */ |