Fix TX/RX checksum offload.
Submitted by: Peer Chen at nVIDIA
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13ee52ce1e
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@ -28,7 +28,6 @@ __FBSDID("$FreeBSD$");
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#define NFE_JUMBO
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#define NFE_CSUM
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#define NFE_CSUM_FEATURES (CSUM_IP | CSUM_TCP | CSUM_UDP)
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#define NVLAN 0
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#ifdef HAVE_KERNEL_OPTION_HEADERS
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@ -387,7 +386,11 @@ nfe_attach(device_t dev)
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#ifdef NFE_CSUM
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if (sc->nfe_flags & NFE_HW_CSUM) {
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ifp->if_capabilities |= IFCAP_HWCSUM;
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ifp->if_capenable |= IFCAP_HWCSUM;
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ifp->if_hwassist = NFE_CSUM_FEATURES;
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}
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#else
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sc->nfe_flags &= ~NFE_HW_CSUM;
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#endif
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ifp->if_capenable = ifp->if_capabilities;
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@ -1099,6 +1102,7 @@ nfe_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
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break;
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case SIOCSIFCAP:
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{
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int init = 0;
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int mask = ifr->ifr_reqcap ^ ifp->if_capenable;
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#ifdef DEVICE_POLLING
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if (mask & IFCAP_POLLING) {
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@ -1120,6 +1124,7 @@ nfe_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
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}
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}
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#endif /* DEVICE_POLLING */
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#ifdef NFE_CSUM
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if (mask & IFCAP_HWCSUM) {
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ifp->if_capenable ^= IFCAP_HWCSUM;
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if (IFCAP_HWCSUM & ifp->if_capenable &&
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@ -1127,7 +1132,12 @@ nfe_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
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ifp->if_hwassist = NFE_CSUM_FEATURES;
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else
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ifp->if_hwassist = 0;
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sc->nfe_flags ^= NFE_HW_CSUM;
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init = 1;
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}
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#endif
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if (init && ifp->if_drv_flags & IFF_DRV_RUNNING)
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nfe_init(sc);
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}
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break;
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@ -1373,8 +1383,6 @@ nfe_rxeof(struct nfe_softc *sc)
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m->m_pkthdr.len = m->m_len = len;
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m->m_pkthdr.rcvif = ifp;
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#if defined(NFE_CSUM)
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if ((sc->nfe_flags & NFE_HW_CSUM) && (flags & NFE_RX_CSUMOK)) {
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m->m_pkthdr.csum_flags |= CSUM_IP_CHECKED;
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if (flags & NFE_RX_IP_CSUMOK_V2) {
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@ -1387,7 +1395,6 @@ nfe_rxeof(struct nfe_softc *sc)
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m->m_pkthdr.csum_data = 0xffff;
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}
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}
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#endif
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#if NVLAN > 1
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if (have_tag) {
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@ -1532,15 +1539,14 @@ nfe_encap(struct nfe_softc *sc, struct mbuf *m0)
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return ENOBUFS;
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}
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#ifdef NFE_CSUM
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if (m0->m_pkthdr.csum_flags & CSUM_IP)
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flags |= NFE_TX_IP_CSUM;
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if (m0->m_pkthdr.csum_flags & CSUM_TCP)
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flags |= NFE_TX_TCP_CSUM;
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if (m0->m_pkthdr.csum_flags & CSUM_UDP)
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flags |= NFE_TX_TCP_CSUM;
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#endif
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if(sc->nfe_flags & NFE_HW_CSUM){
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if (m0->m_pkthdr.csum_flags & CSUM_IP)
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flags |= NFE_TX_IP_CSUM;
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if (m0->m_pkthdr.csum_flags & CSUM_TCP)
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flags |= NFE_TX_TCP_CSUM;
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if (m0->m_pkthdr.csum_flags & CSUM_UDP)
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flags |= NFE_TX_TCP_CSUM;
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}
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for (i = 0; i < nsegs; i++) {
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data = &sc->txq.data[sc->txq.cur];
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@ -1771,10 +1777,9 @@ nfe_init_locked(void *xsc)
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sc->rxtxctl |= NFE_RXTX_V3MAGIC;
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else if (sc->nfe_flags & NFE_JUMBO_SUP)
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sc->rxtxctl |= NFE_RXTX_V2MAGIC;
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#ifdef NFE_CSUM
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if (sc->nfe_flags & NFE_HW_CSUM)
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sc->rxtxctl |= NFE_RXTX_RXCSUM;
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#endif
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#if NVLAN > 0
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/*
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@ -29,7 +29,6 @@
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/* Maximum MTU size. */
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#define NV_PKTLIMIT_1 ETH_DATA_LEN /* Hard limit not known. */
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#define NV_PKTLIMIT_2 9100 /* Actual limit according to NVidia:9202 */
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#define NFE_JBYTES (ETHER_MAX_LEN_JUMBO + ETHER_ALIGN)
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#define NFE_JPOOL_COUNT (NFE_RX_RING_COUNT + NFE_RX_HEADERS)
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@ -122,6 +121,7 @@
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#define NFE_RXFILTER_MAGIC 0x007f0008
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#define NFE_U2M (1 << 5)
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#define NFE_PROMISC (1 << 7)
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#define NFE_CSUM_FEATURES (CSUM_IP | CSUM_TCP | CSUM_UDP)
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/* default interrupt moderation timer of 128us */
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#define NFE_IM_DEFAULT ((128 * 100) / 1024)
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