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Convert to if_foreach_llmaddr() KPI.

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This commit is contained in:
glebius 2019-10-21 18:07:28 +00:00
parent 649327d64a
commit cb9389f457
1 changed files with 24 additions and 23 deletions
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47
sys/dev/nge/if_nge.c
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@ -661,13 +661,33 @@ nge_miibus_statchg(device_t dev)
CSR_READ_4(sc, NGE_GPIO) & ~NGE_GPIO_GP3_OUT);
}
static u_int
nge_write_maddr(void *arg, struct sockaddr_dl *sdl, u_int cnt)
{
struct nge_softc *sc = arg;
uint32_t h;
int bit, index;
/*
* From the 11 bits returned by the crc routine, the top 7
* bits represent the 16-bit word in the mcast hash table
* that needs to be updated, and the lower 4 bits represent
* which bit within that byte needs to be set.
*/
h = ether_crc32_be(LLADDR(sdl), ETHER_ADDR_LEN) >> 21;
index = (h >> 4) & 0x7F;
bit = h & 0xF;
CSR_WRITE_4(sc, NGE_RXFILT_CTL, NGE_FILTADDR_MCAST_LO + (index * 2));
NGE_SETBIT(sc, NGE_RXFILT_DATA, (1 << bit));
return (1);
}
static void
nge_rxfilter(struct nge_softc *sc)
{
struct ifnet *ifp;
struct ifmultiaddr *ifma;
uint32_t h, i, rxfilt;
int bit, index;
uint32_t i, rxfilt;
NGE_LOCK_ASSERT(sc);
ifp = sc->nge_ifp;
@ -720,26 +740,7 @@ nge_rxfilter(struct nge_softc *sc)
CSR_WRITE_4(sc, NGE_RXFILT_DATA, 0);
}
/*
* From the 11 bits returned by the crc routine, the top 7
* bits represent the 16-bit word in the mcast hash table
* that needs to be updated, and the lower 4 bits represent
* which bit within that byte needs to be set.
*/
if_maddr_rlock(ifp);
CK_STAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
if (ifma->ifma_addr->sa_family != AF_LINK)
continue;
h = ether_crc32_be(LLADDR((struct sockaddr_dl *)
ifma->ifma_addr), ETHER_ADDR_LEN) >> 21;
index = (h >> 4) & 0x7F;
bit = h & 0xF;
CSR_WRITE_4(sc, NGE_RXFILT_CTL,
NGE_FILTADDR_MCAST_LO + (index * 2));
NGE_SETBIT(sc, NGE_RXFILT_DATA, (1 << bit));
}
if_maddr_runlock(ifp);
if_foreach_llmaddr(ifp, nge_write_maddr, sc);
done:
CSR_WRITE_4(sc, NGE_RXFILT_CTL, rxfilt);
/* Turn the receive filter on. */