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Convert to if_foreach_llmaddr() KPI.

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This commit is contained in:
Gleb Smirnoff 2019-10-21 18:07:07 +00:00
parent 69d3f28aa4
commit 208af059dd
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=353817
1 changed files with 23 additions and 17 deletions
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40
sys/dev/le/lance.c
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@ -577,6 +577,27 @@ lance_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
return (error);
}
struct lance_hash_maddr_ctx {
struct lance_softc *sc;
uint16_t *af;
};
static u_int
lance_hash_maddr(void *arg, struct sockaddr_dl *sdl, u_int cnt)
{
struct lance_hash_maddr_ctx *ctx = arg;
struct lance_softc *sc = ctx->sc;
uint32_t crc;
crc = ether_crc32_le(LLADDR(sdl), ETHER_ADDR_LEN);
/* Just want the 6 most significant bits. */
crc >>= 26;
/* Set the corresponding bit in the filter. */
ctx->af[crc >> 4] |= LE_HTOLE16(1 << (crc & 0xf));
return (1);
}
/*
* Set up the logical address filter.
*/
@ -584,8 +605,7 @@ void
lance_setladrf(struct lance_softc *sc, uint16_t *af)
{
struct ifnet *ifp = sc->sc_ifp;
struct ifmultiaddr *ifma;
uint32_t crc;
struct lance_hash_maddr_ctx ctx = { sc, af };
/*
* Set up multicast address filter by passing all multicast addresses
@ -601,21 +621,7 @@ lance_setladrf(struct lance_softc *sc, uint16_t *af)
}
af[0] = af[1] = af[2] = af[3] = 0x0000;
if_maddr_rlock(ifp);
CK_STAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
if (ifma->ifma_addr->sa_family != AF_LINK)
continue;
crc = ether_crc32_le(LLADDR((struct sockaddr_dl *)
ifma->ifma_addr), ETHER_ADDR_LEN);
/* Just want the 6 most significant bits. */
crc >>= 26;
/* Set the corresponding bit in the filter. */
af[crc >> 4] |= LE_HTOLE16(1 << (crc & 0xf));
}
if_maddr_runlock(ifp);
if_foreach_llmaddr(ifp, lance_hash_maddr, &ctx);
}
/*