Date: Mon, 14 Oct 2019 20:33:15 +0000 (UTC) From: Gleb Smirnoff <glebius@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r353520 - head/sys/dev/sfxge Message-ID: <201910142033.x9EKXFaW076294@repo.freebsd.org>
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Author: glebius Date: Mon Oct 14 20:33:14 2019 New Revision: 353520 URL: https://svnweb.freebsd.org/changeset/base/353520 Log: Convert to if_foreach_llmaddr() KPI. Reviewed by: philip Modified: head/sys/dev/sfxge/sfxge_port.c Modified: head/sys/dev/sfxge/sfxge_port.c ============================================================================== --- head/sys/dev/sfxge/sfxge_port.c Mon Oct 14 20:32:28 2019 (r353519) +++ head/sys/dev/sfxge/sfxge_port.c Mon Oct 14 20:33:14 2019 (r353520) @@ -358,36 +358,35 @@ done: SFXGE_PORT_UNLOCK(port); } +static u_int +sfxge_copy_maddr(void *arg, struct sockaddr_dl *sdl, u_int cnt) +{ + uint8_t *mcast_addr = arg; + + if (cnt == EFX_MAC_MULTICAST_LIST_MAX) + return (0); + + memcpy(mcast_addr + (cnt * EFX_MAC_ADDR_LEN), LLADDR(sdl), + EFX_MAC_ADDR_LEN); + + return (1); +} + static int sfxge_mac_multicast_list_set(struct sfxge_softc *sc) { struct ifnet *ifp = sc->ifnet; struct sfxge_port *port = &sc->port; - uint8_t *mcast_addr = port->mcast_addrs; - struct ifmultiaddr *ifma; - struct sockaddr_dl *sa; int rc = 0; mtx_assert(&port->lock, MA_OWNED); - port->mcast_count = 0; - if_maddr_rlock(ifp); - CK_STAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { - if (ifma->ifma_addr->sa_family == AF_LINK) { - if (port->mcast_count == EFX_MAC_MULTICAST_LIST_MAX) { - device_printf(sc->dev, - "Too many multicast addresses\n"); - rc = EINVAL; - break; - } - - sa = (struct sockaddr_dl *)ifma->ifma_addr; - memcpy(mcast_addr, LLADDR(sa), EFX_MAC_ADDR_LEN); - mcast_addr += EFX_MAC_ADDR_LEN; - ++port->mcast_count; - } + port->mcast_count = if_foreach_llmaddr(ifp, sfxge_copy_maddr, + port->mcast_addrs); + if (port->mcast_count == EFX_MAC_MULTICAST_LIST_MAX) { + device_printf(sc->dev, "Too many multicast addresses\n"); + rc = EINVAL; } - if_maddr_runlock(ifp); if (rc == 0) { rc = efx_mac_multicast_list_set(sc->enp, port->mcast_addrs, @@ -485,6 +484,7 @@ int sfxge_port_start(struct sfxge_softc *sc) { uint8_t mac_addr[ETHER_ADDR_LEN]; + struct epoch_tracker et; struct ifnet *ifp = sc->ifnet; struct sfxge_port *port; efx_nic_t *enp; @@ -518,10 +518,10 @@ sfxge_port_start(struct sfxge_softc *sc) goto fail3; /* Set the unicast address */ - if_addr_rlock(ifp); + NET_EPOCH_ENTER(et); bcopy(LLADDR((struct sockaddr_dl *)ifp->if_addr->ifa_addr), mac_addr, sizeof(mac_addr)); - if_addr_runlock(ifp); + NET_EPOCH_EXIT(et); if ((rc = efx_mac_addr_set(enp, mac_addr)) != 0) goto fail4;
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