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Convert to if_foreach_llmaddr() KPI.

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This commit is contained in:
Gleb Smirnoff 2019-10-21 18:07:56 +00:00
parent f2921d4c06
commit e9c5104f43
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=353829
1 changed files with 15 additions and 20 deletions
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35
sys/dev/stge/if_stge.c
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@ -2507,12 +2507,24 @@ stge_set_filter(struct stge_softc *sc)
CSR_WRITE_2(sc, STGE_ReceiveMode, mode);
}
static u_int
stge_hash_maddr(void *arg, struct sockaddr_dl *sdl, u_int cnt)
{
uint32_t crc, *mchash = arg;
crc = ether_crc32_be(LLADDR(sdl), ETHER_ADDR_LEN);
/* Just want the 6 least significant bits. */
crc &= 0x3f;
/* Set the corresponding bit in the hash table. */
mchash[crc >> 5] |= 1 << (crc & 0x1f);
return (1);
}
static void
stge_set_multi(struct stge_softc *sc)
{
struct ifnet *ifp;
struct ifmultiaddr *ifma;
uint32_t crc;
uint32_t mchash[2];
uint16_t mode;
int count;
@ -2542,25 +2554,8 @@ stge_set_multi(struct stge_softc *sc)
* high order bits select the register, while the rest of the bits
* select the bit within the register.
*/
bzero(mchash, sizeof(mchash));
count = 0;
if_maddr_rlock(sc->sc_ifp);
CK_STAILQ_FOREACH(ifma, &sc->sc_ifp->if_multiaddrs, ifma_link) {
if (ifma->ifma_addr->sa_family != AF_LINK)
continue;
crc = ether_crc32_be(LLADDR((struct sockaddr_dl *)
ifma->ifma_addr), ETHER_ADDR_LEN);
/* Just want the 6 least significant bits. */
crc &= 0x3f;
/* Set the corresponding bit in the hash table. */
mchash[crc >> 5] |= 1 << (crc & 0x1f);
count++;
}
if_maddr_runlock(ifp);
count = if_foreach_llmaddr(ifp, stge_hash_maddr, mchash);
mode &= ~(RM_ReceiveMulticast | RM_ReceiveAllFrames);
if (count > 0)