Date: Sat, 1 Mar 2014 17:56:36 GMT From: Takanori Sawada <tak.swd@gmail.com> To: freebsd-gnats-submit@FreeBSD.org Subject: arm/187179: Wandboard ffec cannot receive IPv6 multicast Message-ID: <201403011756.s21Huanw056870@cgiserv.freebsd.org> Resent-Message-ID: <201403011800.s21I00xb091936@freefall.freebsd.org>
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>Number: 187179
>Category: arm
>Synopsis: Wandboard ffec cannot receive IPv6 multicast
>Confidential: no
>Severity: non-critical
>Priority: low
>Responsible: freebsd-arm
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Sat Mar 01 18:00:00 UTC 2014
>Closed-Date:
>Last-Modified:
>Originator: Takanori Sawada
>Release: FreeBSD 11.0-CURRENT
>Organization:
>Environment:
FreeBSD wandboard 11.0-CURRENT FreeBSD 11.0-CURRENT #12 9e667e1(master): Sun Mar 2 01:57:57 JST 2014 tak@localhost.localdomain:/home/tak/share/github/freebsd-objs/arm.armv6/home/tak/share/github/freebsd/sys/WANDBOARD-DUAL arm
>Description:
Wandboard ffec cannot receive IPv6 multicast.
- ping6 (From Wandboard to Test Server)
ping6 ff02::1%ffec0
netstat -i
===> Cannot receive NS multicast. transmit OK.
ping6 server_linklocal_address%ffec0
netstat -i
===> Cannot receive NS multicast. transmit OK.
- ping6 (From Test Server to Wandboard)
tcpdump -i ffec0
ping6 Wandboard_ffec_linklocal_address%em0
===> Cannot receive ICMPv6 Echo Request Multicast.
>How-To-Repeat:
>Fix:
I found ffec multicast filter problem.
Patch file attached.
Patch attached with submission follows:
diff --git sys/dev/ffec/if_ffec.c sys/dev/ffec/if_ffec.c
index 05a6c99..ca5b77b 100644
--- sys/dev/ffec/if_ffec.c
+++ sys/dev/ffec/if_ffec.c
@@ -954,14 +954,14 @@ ffec_setup_rxfilter(struct ffec_softc *sc)
if ((ifp->if_flags & IFF_ALLMULTI))
ghash = 0xffffffffffffffffLLU;
else {
- ghash = 0;
+ ghash = 0LLU;
if_maddr_rlock(ifp);
TAILQ_FOREACH(ifma, &sc->ifp->if_multiaddrs, ifma_link) {
if (ifma->ifma_addr->sa_family != AF_LINK)
continue;
crc = ether_crc32_be(LLADDR((struct sockaddr_dl *)
ifma->ifma_addr), ETHER_ADDR_LEN);
- ghash |= 1 << (crc & 0x3f);
+ ghash |= 1LLU << (crc & 0x3f);
}
if_maddr_runlock(ifp);
}
>Release-Note:
>Audit-Trail:
>Unformatted:
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