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27 lines
1.1 KiB
Diff
27 lines
1.1 KiB
Diff
From: Vittorio Gambaletta <openwrt@vittgam.net>
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Date: Mon, 02 May 2016 04:55:48 +0200
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Subject: [PATCH] net: mediatek: Fix multicast ICMPv6 for the rt3050 ethernet switch.
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The FCT2 esw register should be set to 0x2500C to have "unknown IPv6
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multicast" packets broadcasted to every port, instead of dropped.
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The previous value only let those packets go through ports 1 and 3.
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"Unknown IPv6 multicast" packets include packets needed by ICMPv6 echo
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requests addressed to well-known addresses, such as ff02::1 (MAC address
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is 33:33:00:00:00:01 in this case).
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Signed-off-by: Vittorio Gambaletta <openwrt@vittgam.net>
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---
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--- a/drivers/net/ethernet/mediatek/esw_rt3050.c
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+++ b/drivers/net/ethernet/mediatek/esw_rt3050.c
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@@ -450,7 +450,7 @@ static void esw_hw_init(struct rt305x_es
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(RT305X_ESW_PORTS_NOCPU << RT305X_ESW_POC2_UNTAG_EN_S)),
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RT305X_ESW_REG_POC2);
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- esw_w32(esw, 0x00d6500c, RT305X_ESW_REG_FCT2);
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+ esw_w32(esw, 0x0002500c, RT305X_ESW_REG_FCT2);
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/* 300s aging timer, max packet len 1536, broadcast storm prevention
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* disabled, disable collision abort, mac xor48 hash, 10 packet back
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