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Convert to if_foreach_llmaddr() KPI.

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This commit is contained in:
Gleb Smirnoff 2019-10-21 18:13:14 +00:00
parent 4d50c26a10
commit 45193b43a1
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=353862
1 changed files with 17 additions and 27 deletions
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44
sys/arm/allwinner/if_awg.c
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@ -675,12 +675,25 @@ bitrev32(uint32_t x)
return (x >> 16) | (x << 16);
}
static u_int
awg_hash_maddr(void *arg, struct sockaddr_dl *sdl, u_int cnt)
{
uint32_t crc, hashreg, hashbit, *hash = arg;
crc = ether_crc32_le(LLADDR(sdl), ETHER_ADDR_LEN) & 0x7f;
crc = bitrev32(~crc) >> 26;
hashreg = (crc >> 5);
hashbit = (crc & 0x1f);
hash[hashreg] |= (1 << hashbit);
return (1);
}
static void
awg_setup_rxfilter(struct awg_softc *sc)
{
uint32_t val, crc, hashreg, hashbit, hash[2], machi, maclo;
int mc_count, mcnt, i;
uint8_t *eaddr, *mta;
uint32_t val, hash[2], machi, maclo;
uint8_t *eaddr;
if_t ifp;
AWG_ASSERT_LOCKED(sc);
@ -689,37 +702,14 @@ awg_setup_rxfilter(struct awg_softc *sc)
val = 0;
hash[0] = hash[1] = 0;
mc_count = if_multiaddr_count(ifp, -1);
if (if_getflags(ifp) & IFF_PROMISC)
val |= DIS_ADDR_FILTER;
else if (if_getflags(ifp) & IFF_ALLMULTI) {
val |= RX_ALL_MULTICAST;
hash[0] = hash[1] = ~0;
} else if (mc_count > 0) {
} else if (if_foreach_llmaddr(ifp, awg_hash_maddr, hash) > 0)
val |= HASH_MULTICAST;
mta = malloc(sizeof(unsigned char) * ETHER_ADDR_LEN * mc_count,
M_DEVBUF, M_NOWAIT);
if (mta == NULL) {
if_printf(ifp,
"failed to allocate temporary multicast list\n");
return;
}
if_multiaddr_array(ifp, mta, &mcnt, mc_count);
for (i = 0; i < mcnt; i++) {
crc = ether_crc32_le(mta + (i * ETHER_ADDR_LEN),
ETHER_ADDR_LEN) & 0x7f;
crc = bitrev32(~crc) >> 26;
hashreg = (crc >> 5);
hashbit = (crc & 0x1f);
hash[hashreg] |= (1 << hashbit);
}
free(mta, M_DEVBUF);
}
/* Write our unicast address */
eaddr = IF_LLADDR(ifp);
machi = (eaddr[5] << 8) | eaddr[4];