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Code Issues Releases Activity

Convert to if_foreach_llmaddr() KPI.

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This commit is contained in:
Gleb Smirnoff 2019-10-21 18:06:57 +00:00
parent 1d15d9f065
commit 99e76377d2
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=353815
1 changed files with 16 additions and 18 deletions
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34
sys/dev/gem/if_gem.c
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@ -2202,14 +2202,27 @@ gem_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
return (error);
}
static u_int
gem_hash_maddr(void *arg, struct sockaddr_dl *sdl, u_int cnt)
{
uint32_t crc, *hash = arg;
crc = ether_crc32_le(LLADDR(sdl), ETHER_ADDR_LEN);
/* We just want the 8 most significant bits. */
crc >>= 24;
/* Set the corresponding bit in the filter. */
hash[crc >> 4] |= 1 << (15 - (crc & 15));
return (1);
}
static void
gem_setladrf(struct gem_softc *sc)
{
struct ifnet *ifp = sc->sc_ifp;
struct ifmultiaddr *inm;
int i;
uint32_t hash[16];
uint32_t crc, v;
uint32_t v;
GEM_LOCK_ASSERT(sc, MA_OWNED);
@ -2245,23 +2258,8 @@ gem_setladrf(struct gem_softc *sc)
* is the MSB).
*/
/* Clear the hash table. */
memset(hash, 0, sizeof(hash));
if_maddr_rlock(ifp);
CK_STAILQ_FOREACH(inm, &ifp->if_multiaddrs, ifma_link) {
if (inm->ifma_addr->sa_family != AF_LINK)
continue;
crc = ether_crc32_le(LLADDR((struct sockaddr_dl *)
inm->ifma_addr), ETHER_ADDR_LEN);
/* We just want the 8 most significant bits. */
crc >>= 24;
/* Set the corresponding bit in the filter. */
hash[crc >> 4] |= 1 << (15 - (crc & 15));
}
if_maddr_runlock(ifp);
if_foreach_llmaddr(ifp, gem_hash_maddr, hash);
v |= GEM_MAC_RX_HASH_FILTER;