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put things in place for jumbograms

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This commit is contained in:
Matt Jacob 2000-01-25 06:09:53 +00:00
parent c798682445
commit 8dc7582ba5
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=56575
1 changed files with 35 additions and 17 deletions
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52
sys/pci/if_wx.c
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@ -47,6 +47,10 @@
* This isn't debugged yet.
*/
/* #define PADDED_CELL 1 */
/*
* Enable JumboGrams. This seems to work.
*/
/* #define WX_JUMBO 1 */
/*
* Since the includes are a mess, they'll all be in if_wxvar.h
@ -103,6 +107,13 @@ static void wx_dring_teardown __P((wx_softc_t *));
#define WX_DISABLE_INT(sc) WRITE_CSR(sc, WXREG_IMCLR, WXDISABLE)
#define WX_ENABLE_INT(sc) WRITE_CSR(sc, WXREG_IMASK, sc->wx_ienable)
#define JUMBOMTU (WX_MAX_PKT_SIZE_JUMBO - sizeof (struct ether_header))
#ifdef WX_JUMBO
#define WX_MAXMTU JUMBOMTU
#else
#define WX_MAXMTU ETHERMTU
#endif
#if defined(__NetBSD__)
#ifdef __BROKEN_INDIRECT_CONFIG
#define MATCHARG void *
@ -220,16 +231,16 @@ wx_attach(parent, self, aux)
data |= (WX_CACHELINE_SIZE << PCI_CACHELINE_SHIFT);
pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG, data);
if (wx_attach_common(sc)) {
return;
}
printf("%s: Ethernet address %s\n",
sc->wx_name, ether_sprintf(sc->wx_enaddr));
ifp = &sc->w.ethercom.ec_if;
bcopy(sc->wx_name, ifp->if_xname, IFNAMSIZ);
ifp->if_mtu = WX_MAXMTU;
ifp->if_softc = sc;
ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
ifp->if_ioctl = wx_ioctl;
@ -607,6 +618,7 @@ wx_attach(device_t dev)
ifp = &sc->w.arpcom.ac_if;
ifp->if_unit = device_get_unit(dev);
ifp->if_name = "wx";
ifp->if_mtu = WX_MAXMTU;
ifp->if_output = ether_output;
ifp->if_baudrate = 1000000000;
ifp->if_init = (void (*)(void *))wx_init;
@ -1675,7 +1687,7 @@ wx_init(xsc)
rxpkt_t *rxpkt;
wxrd_t *rd;
size_t len;
int s, i;
int s, i, bflags;
s = splimp();
@ -1752,17 +1764,15 @@ wx_init(xsc)
WRITE_CSR(sc, WXREG_RDLEN1, 0);
WRITE_CSR(sc, WXREG_RDH1, 0);
WRITE_CSR(sc, WXREG_RDT1, 0);
#if 0
WRITE_CSR(sc, WXREG_RCTL, WXRCTL_EN | WXRCTL_LPE | WXRCTL_512BRBUF |
((ifp->if_flags & IFF_BROADCAST) ? WXRCTL_BAM : 0) |
((ifp->if_flags & IFF_PROMISC) ? WXRCTL_UPE : 0) |
((sc->all_mcasts) ? WXRCTL_MPE : 0));
WRITE_CSR(sc, WXREG_RCTL, WXRCTL_EN | WXRCTL_LPE | WXRCTL_2KRBUF |
((ifp->if_flags & IFF_BROADCAST) ? WXRCTL_BAM : 0) |
((ifp->if_flags & IFF_PROMISC) ? WXRCTL_UPE : 0) |
((sc->all_mcasts) ? WXRCTL_MPE : 0));
#endif
WRITE_CSR(sc, WXREG_RCTL, WXRCTL_EN | WXRCTL_2KRBUF |
if (ifp->if_mtu > ETHERMTU) {
printf("%s: enabling for jumbo packets\n", sc->wx_name);
bflags = WXRCTL_EN | WXRCTL_LPE | WXRCTL_2KRBUF;
} else {
bflags = WXRCTL_EN | WXRCTL_2KRBUF;
}
WRITE_CSR(sc, WXREG_RCTL, bflags |
((ifp->if_flags & IFF_BROADCAST) ? WXRCTL_BAM : 0) |
((ifp->if_flags & IFF_PROMISC) ? WXRCTL_UPE : 0) |
((sc->all_mcasts) ? WXRCTL_MPE : 0));
@ -1853,13 +1863,21 @@ wx_ioctl(ifp, command, data)
case SIOCSIFADDR:
#if !defined(__NetBSD__)
case SIOCGIFADDR:
#ifdef SIOCSIFMTU
case SIOCSIFMTU:
#endif
#endif
error = ether_ioctl(ifp, command, data);
break;
#ifdef SIOCGIFMTU
case SIOCSIFMTU:
if (ifr->ifr_mtu > WX_MAXMTU || ifr->ifr_mtu < ETHERMIN) {
error = EINVAL;
} else if (ifp->if_mtu != ifr->ifr_mtu) {
ifp->if_mtu = ifr->ifr_mtu;
error = wx_init(sc);
}
break;
#endif
case SIOCSIFFLAGS:
sc->all_mcasts = (ifp->if_flags & IFF_ALLMULTI) ? 1 : 0;