diff options
| author | Mark Kettenis <kettenis@cvs.openbsd.org> | 2009-01-28 21:08:23 +0000 |
|---|---|---|
| committer | Mark Kettenis <kettenis@cvs.openbsd.org> | 2009-01-28 21:08:23 +0000 |
| commit | 957d680dadff2e75ab0e6b9ff80c88e41b6a57b6 (patch) | |
| tree | 98db0715f96ee8645a56864b18eb9b78f9e4cea2 /sys/arch | |
| parent | 2ccd96de97260353088600c4c6ce6be367825e13 (diff) | |
Implement proper multicast support.
Diffstat (limited to 'sys/arch')
| -rw-r--r-- | sys/arch/socppc/dev/if_tsec.c | 43 |
1 files changed, 38 insertions, 5 deletions
diff --git a/sys/arch/socppc/dev/if_tsec.c b/sys/arch/socppc/dev/if_tsec.c index 67ec14712b9..4e4daad366f 100644 --- a/sys/arch/socppc/dev/if_tsec.c +++ b/sys/arch/socppc/dev/if_tsec.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_tsec.c,v 1.14 2008/11/28 02:44:17 brad Exp $ */ +/* $OpenBSD: if_tsec.c,v 1.15 2009/01/28 21:08:22 kettenis Exp $ */ /* * Copyright (c) 2008 Mark Kettenis @@ -942,17 +942,50 @@ tsec_down(struct tsec_softc *sc) void tsec_iff(struct tsec_softc *sc) { + struct arpcom *ac = &sc->sc_ac; struct ifnet *ifp = &sc->sc_ac.ac_if; + struct ether_multi *enm; + struct ether_multistep step; + uint32_t crc, hash[8]; uint32_t rctrl; + int i; - rctrl = tsec_read(sc, TSEC_RCTRL); + ifp->if_flags &= ~IFF_ALLMULTI; + bzero(hash, sizeof(hash)); + + if ((ifp->if_flags & IFF_RUNNING) == 0) + goto domulti; if (ifp->if_flags & IFF_PROMISC) + goto allmulti; + + ETHER_FIRST_MULTI(step, ac, enm); + while (enm != NULL) { + if (bcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) + goto allmulti; + + crc = ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN); + crc >>= 24; + hash[crc / 32] |= 1 << (crc % 32); + + ETHER_NEXT_MULTI(step, enm); + } + + goto domulti; + +allmulti: + ifp->if_flags |= IFF_ALLMULTI; + bzero(hash, sizeof(hash)); + +domulti: + for (i = 0; i < nitems(hash); i++) + tsec_write(sc, TSEC_IADDR0 + i * 4, hash[i]); + + rctrl = tsec_read(sc, TSEC_RCTRL); + if (ifp->if_flags & IFF_ALLMULTI) rctrl |= TSEC_RCTRL_PROM; else rctrl &= ~TSEC_RCTRL_PROM; - tsec_write(sc, TSEC_RCTRL, rctrl | TSEC_RCTRL_PROM); - - /* XXX multicast */ + tsec_write(sc, TSEC_RCTRL, rctrl); } int |