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authorAurelien Jarno <aurelien@aurel32.net>2012-06-10 23:18:44 +0200
committerAurelien Jarno <aurelien@aurel32.net>2012-09-07 17:35:34 +0200
commit449bc90e1f2e2fbafb64eb0c76d16c9352b0d2df (patch)
treebe366550b4e929343f1c68c670bf41fcf0be115c
parent7e9c7ffe9fd9dfc3d0168dd584936db8144b230b (diff)
lan9118: fix multicast filtering
The lan9118 emulation tries to compute the multicast index by calling directly the crc32() function from zlib, but fails to get the correct result. Use the common compute_mcast_idx() function instead, which gives the correct result. This fixes IPv6 support. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
-rw-r--r--hw/lan9118.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/hw/lan9118.c b/hw/lan9118.c
index ff0a50be19..ceaf96fc3e 100644
--- a/hw/lan9118.c
+++ b/hw/lan9118.c
@@ -500,7 +500,7 @@ static int lan9118_filter(lan9118_state *s, const uint8_t *addr)
}
} else {
/* Hash matching */
- hash = (crc32(~0, addr, 6) >> 26);
+ hash = compute_mcast_idx(addr);
if (hash & 0x20) {
return (s->mac_hashh >> (hash & 0x1f)) & 1;
} else {