svn commit: r353817 - head/sys/dev/le
Gleb Smirnoff
glebius at FreeBSD.org
Mon Oct 21 18:07:08 UTC 2019
Author: glebius
Date: Mon Oct 21 18:07:07 2019
New Revision: 353817
URL: https://svnweb.freebsd.org/changeset/base/353817
Log:
Convert to if_foreach_llmaddr() KPI.
Modified:
head/sys/dev/le/lance.c
Modified: head/sys/dev/le/lance.c
==============================================================================
--- head/sys/dev/le/lance.c Mon Oct 21 18:07:02 2019 (r353816)
+++ head/sys/dev/le/lance.c Mon Oct 21 18:07:07 2019 (r353817)
@@ -577,6 +577,27 @@ lance_ioctl(struct ifnet *ifp, u_long cmd, caddr_t dat
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);
}
/*
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