d/freebsd-skq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Convert to if_foreach_llmaddr() KPI.

Browse Source
This commit is contained in:
glebius 2019-10-21 18:11:28 +00:00
parent cbeb7969f0
commit 6434b43321
1 changed files with 25 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

54
sys/dev/et/if_et.c
View File

@ -1560,13 +1560,36 @@ et_free_rx_ring(struct et_softc *sc)
}
}
static u_int
et_hash_maddr(void *arg, struct sockaddr_dl *sdl, u_int cnt)
{
uint32_t h, *hp, *hash = arg;
h = ether_crc32_be(LLADDR(sdl), ETHER_ADDR_LEN);
h = (h & 0x3f800000) >> 23;
hp = &hash[0];
if (h >= 32 && h < 64) {
h -= 32;
hp = &hash[1];
} else if (h >= 64 && h < 96) {
h -= 64;
hp = &hash[2];
} else if (h >= 96) {
h -= 96;
hp = &hash[3];
}
*hp |= (1 << h);
return (1);
}
static void
et_setmulti(struct et_softc *sc)
{
struct ifnet *ifp;
uint32_t hash[4] = { 0, 0, 0, 0 };
uint32_t rxmac_ctrl, pktfilt;
struct ifmultiaddr *ifma;
int i, count;
ET_LOCK_ASSERT(sc);
@ -1581,34 +1604,7 @@ et_setmulti(struct et_softc *sc)
goto back;
}
count = 0;
if_maddr_rlock(ifp);
CK_STAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
uint32_t *hp, h;
if (ifma->ifma_addr->sa_family != AF_LINK)
continue;
h = ether_crc32_be(LLADDR((struct sockaddr_dl *)
ifma->ifma_addr), ETHER_ADDR_LEN);
h = (h & 0x3f800000) >> 23;
hp = &hash[0];
if (h >= 32 && h < 64) {
h -= 32;
hp = &hash[1];
} else if (h >= 64 && h < 96) {
h -= 64;
hp = &hash[2];
} else if (h >= 96) {
h -= 96;
hp = &hash[3];
}
*hp |= (1 << h);
++count;
}
if_maddr_runlock(ifp);
count = if_foreach_llmaddr(ifp, et_hash_maddr, &hash);
for (i = 0; i < 4; ++i)
CSR_WRITE_4(sc, ET_MULTI_HASH + (i * 4), hash[i]);