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Correct broadcast frame handling. Setting bit6 of MCR0 register

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enables broadcast filtering. Make sure to clear the bit to receive
broadcast frames. While I'm here rename the bit definition to
reflect reality.

Reported by:	brad@OpenBSD
MFC after:	1 week
This commit is contained in:
Pyun YongHyeon 2011-03-19 22:36:59 +00:00
parent e579f1c1cf
commit d8f226b665
2 changed files with 4 additions and 3 deletions
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5
sys/dev/vte/if_vte.c
View File

@ -1963,9 +1963,10 @@ vte_rxfilter(struct vte_softc *sc)
}
mcr = CSR_READ_2(sc, VTE_MCR0);
mcr &= ~(MCR0_PROMISC | MCR0_BROADCAST | MCR0_MULTICAST);
mcr &= ~(MCR0_PROMISC | MCR0_MULTICAST);
mcr |= MCR0_BROADCAST_DIS;
if ((ifp->if_flags & IFF_BROADCAST) != 0)
mcr |= MCR0_BROADCAST;
mcr &= ~MCR0_BROADCAST_DIS;
if ((ifp->if_flags & (IFF_PROMISC | IFF_ALLMULTI)) != 0) {
if ((ifp->if_flags & IFF_PROMISC) != 0)
mcr |= MCR0_PROMISC;

2
sys/dev/vte/if_vtereg.h
View File

@ -48,7 +48,7 @@
#define MCR0_ACCPT_LONG_PKT 0x0008
#define MCR0_ACCPT_DRIBBLE 0x0010
#define MCR0_PROMISC 0x0020
#define MCR0_BROADCAST 0x0040
#define MCR0_BROADCAST_DIS 0x0040
#define MCR0_RX_EARLY_INTR 0x0080
#define MCR0_MULTICAST 0x0100
#define MCR0_FC_ENB 0x0200