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Create a pcn_setfilt() routine that twiddles the promiscuous mode

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and nobroadcast bits in the mode register and call it both from
pcn_init() and pcn_ioctl(). Sometimes we need to force the state
of the nobroadcast bit after switching out of promisc mode.
This commit is contained in:
Bill Paul 2000-11-03 00:37:45 +00:00
parent 3019f2bf08
commit 09aafe5402
1 changed files with 29 additions and 17 deletions
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46
sys/pci/if_pcn.c
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@ -138,6 +138,7 @@ static int pcn_miibus_readreg __P((device_t, int, int));
static int pcn_miibus_writereg __P((device_t, int, int, int));
static void pcn_miibus_statchg __P((device_t));
static void pcn_setfilt __P((struct ifnet *));
static void pcn_setmulti __P((struct pcn_softc *));
static u_int32_t pcn_crc __P((caddr_t));
static void pcn_reset __P((struct pcn_softc *));
@ -1051,6 +1052,30 @@ static void pcn_start(ifp)
return;
}
static void pcn_setfilt(ifp)
struct ifnet *ifp;
{
struct pcn_softc *sc;
sc = ifp->if_softc;
/* If we want promiscuous mode, set the allframes bit. */
if (ifp->if_flags & IFF_PROMISC) {
PCN_CSR_SETBIT(sc, PCN_CSR_MODE, PCN_MODE_PROMISC);
} else {
PCN_CSR_CLRBIT(sc, PCN_CSR_MODE, PCN_MODE_PROMISC);
}
/* Set the capture broadcast bit to capture broadcast frames. */
if (ifp->if_flags & IFF_BROADCAST) {
PCN_CSR_CLRBIT(sc, PCN_CSR_MODE, PCN_MODE_RXNOBROAD);
} else {
PCN_CSR_SETBIT(sc, PCN_CSR_MODE, PCN_MODE_RXNOBROAD);
}
return;
}
static void pcn_init(xsc)
void *xsc;
{
@ -1093,19 +1118,8 @@ static void pcn_init(xsc)
/* Set up the mode register. */
pcn_csr_write(sc, PCN_CSR_MODE, PCN_PORT_MII);
/* If we want promiscuous mode, set the allframes bit. */
if (ifp->if_flags & IFF_PROMISC) {
PCN_CSR_SETBIT(sc, PCN_CSR_MODE, PCN_MODE_PROMISC);
} else {
PCN_CSR_CLRBIT(sc, PCN_CSR_MODE, PCN_MODE_PROMISC);
}
/* Set the capture broadcast bit to capture broadcast frames. */
if (ifp->if_flags & IFF_BROADCAST) {
PCN_CSR_CLRBIT(sc, PCN_CSR_MODE, PCN_MODE_RXNOBROAD);
} else {
PCN_CSR_SETBIT(sc, PCN_CSR_MODE, PCN_MODE_RXNOBROAD);
}
/* Set up RX filter. */
pcn_setfilt(ifp);
/*
* Load the multicast filter.
@ -1238,8 +1252,7 @@ static int pcn_ioctl(ifp, command, data)
!(sc->pcn_if_flags & IFF_PROMISC)) {
PCN_CSR_SETBIT(sc, PCN_CSR_EXTCTL1,
PCN_EXTCTL1_SPND);
PCN_CSR_SETBIT(sc, PCN_CSR_MODE,
PCN_MODE_PROMISC);
pcn_setfilt(ifp);
PCN_CSR_CLRBIT(sc, PCN_CSR_EXTCTL1,
PCN_EXTCTL1_SPND);
pcn_csr_write(sc, PCN_CSR_CSR,
@ -1249,8 +1262,7 @@ static int pcn_ioctl(ifp, command, data)
sc->pcn_if_flags & IFF_PROMISC) {
PCN_CSR_SETBIT(sc, PCN_CSR_EXTCTL1,
PCN_EXTCTL1_SPND);
PCN_CSR_CLRBIT(sc, PCN_CSR_MODE,
PCN_MODE_PROMISC);
pcn_setfilt(ifp);
PCN_CSR_CLRBIT(sc, PCN_CSR_EXTCTL1,
PCN_EXTCTL1_SPND);
pcn_csr_write(sc, PCN_CSR_CSR,