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Fix TX/RX checksum offload.

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Submitted by:	Peer Chen at nVIDIA
This commit is contained in:
David E. O'Brien 2006-11-27 04:47:27 +00:00
parent cca9a263e3
commit 7597761a50
2 changed files with 21 additions and 16 deletions
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35
sys/dev/nfe/if_nfe.c
View File

@ -28,7 +28,6 @@ __FBSDID("$FreeBSD$");
#define NFE_JUMBO
#define NFE_CSUM
#define NFE_CSUM_FEATURES (CSUM_IP | CSUM_TCP | CSUM_UDP)
#define NVLAN 0
#ifdef HAVE_KERNEL_OPTION_HEADERS
@ -387,7 +386,11 @@ nfe_attach(device_t dev)
#ifdef NFE_CSUM
if (sc->nfe_flags & NFE_HW_CSUM) {
ifp->if_capabilities |= IFCAP_HWCSUM;
ifp->if_capenable |= IFCAP_HWCSUM;
ifp->if_hwassist = NFE_CSUM_FEATURES;
}
#else
sc->nfe_flags &= ~NFE_HW_CSUM;
#endif
ifp->if_capenable = ifp->if_capabilities;
@ -1099,6 +1102,7 @@ nfe_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
break;
case SIOCSIFCAP:
{
int init = 0;
int mask = ifr->ifr_reqcap ^ ifp->if_capenable;
#ifdef DEVICE_POLLING
if (mask & IFCAP_POLLING) {
@ -1120,6 +1124,7 @@ nfe_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
}
}
#endif /* DEVICE_POLLING */
#ifdef NFE_CSUM
if (mask & IFCAP_HWCSUM) {
ifp->if_capenable ^= IFCAP_HWCSUM;
if (IFCAP_HWCSUM & ifp->if_capenable &&
@ -1127,7 +1132,12 @@ nfe_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
ifp->if_hwassist = NFE_CSUM_FEATURES;
else
ifp->if_hwassist = 0;
sc->nfe_flags ^= NFE_HW_CSUM;
init = 1;
}
#endif
if (init && ifp->if_drv_flags & IFF_DRV_RUNNING)
nfe_init(sc);
}
break;
@ -1373,8 +1383,6 @@ nfe_rxeof(struct nfe_softc *sc)
m->m_pkthdr.len = m->m_len = len;
m->m_pkthdr.rcvif = ifp;
#if defined(NFE_CSUM)
if ((sc->nfe_flags & NFE_HW_CSUM) && (flags & NFE_RX_CSUMOK)) {
m->m_pkthdr.csum_flags |= CSUM_IP_CHECKED;
if (flags & NFE_RX_IP_CSUMOK_V2) {
@ -1387,7 +1395,6 @@ nfe_rxeof(struct nfe_softc *sc)
m->m_pkthdr.csum_data = 0xffff;
}
}
#endif
#if NVLAN > 1
if (have_tag) {
@ -1532,15 +1539,14 @@ nfe_encap(struct nfe_softc *sc, struct mbuf *m0)
return ENOBUFS;
}
#ifdef NFE_CSUM
if (m0->m_pkthdr.csum_flags & CSUM_IP)
flags |= NFE_TX_IP_CSUM;
if (m0->m_pkthdr.csum_flags & CSUM_TCP)
flags |= NFE_TX_TCP_CSUM;
if (m0->m_pkthdr.csum_flags & CSUM_UDP)
flags |= NFE_TX_TCP_CSUM;
#endif
if(sc->nfe_flags & NFE_HW_CSUM){
if (m0->m_pkthdr.csum_flags & CSUM_IP)
flags |= NFE_TX_IP_CSUM;
if (m0->m_pkthdr.csum_flags & CSUM_TCP)
flags |= NFE_TX_TCP_CSUM;
if (m0->m_pkthdr.csum_flags & CSUM_UDP)
flags |= NFE_TX_TCP_CSUM;
}
for (i = 0; i < nsegs; i++) {
data = &sc->txq.data[sc->txq.cur];
@ -1771,10 +1777,9 @@ nfe_init_locked(void *xsc)
sc->rxtxctl |= NFE_RXTX_V3MAGIC;
else if (sc->nfe_flags & NFE_JUMBO_SUP)
sc->rxtxctl |= NFE_RXTX_V2MAGIC;
#ifdef NFE_CSUM
if (sc->nfe_flags & NFE_HW_CSUM)
sc->rxtxctl |= NFE_RXTX_RXCSUM;
#endif
#if NVLAN > 0
/*

2
sys/dev/nfe/if_nfereg.h
View File

@ -29,7 +29,6 @@
/* Maximum MTU size. */
#define NV_PKTLIMIT_1 ETH_DATA_LEN /* Hard limit not known. */
#define NV_PKTLIMIT_2 9100 /* Actual limit according to NVidia:9202 */
#define NFE_JBYTES (ETHER_MAX_LEN_JUMBO + ETHER_ALIGN)
#define NFE_JPOOL_COUNT (NFE_RX_RING_COUNT + NFE_RX_HEADERS)
@ -122,6 +121,7 @@
#define NFE_RXFILTER_MAGIC 0x007f0008
#define NFE_U2M (1 << 5)
#define NFE_PROMISC (1 << 7)
#define NFE_CSUM_FEATURES (CSUM_IP | CSUM_TCP | CSUM_UDP)
/* default interrupt moderation timer of 128us */
#define NFE_IM_DEFAULT ((128 * 100) / 1024)