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3c3825436e
Refreshed all patches. Remove upstreamed: - 600-ipv6-addrconf-call-ipv6_mc_up-for-non-Ethernet-inter.patch - 184-USB-serial-option-add-Wistron-Neweb-D19Q1.patch Fixes: - CVE-2020-8647 - CVE-2020-8648 (potentially) - CVE-2020-8649 Compile-tested on: cns3xxx Runtime-tested on: cns3xxx Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
56 lines
2.4 KiB
Diff
56 lines
2.4 KiB
Diff
From 83e65df6dfece9eb588735459428f221eb930c0c Mon Sep 17 00:00:00 2001
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From: Maxime Chevallier <maxime.chevallier@bootlin.com>
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Date: Fri, 9 Nov 2018 09:17:33 +0100
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Subject: [PATCH] net: mvneta: Don't advertise 2.5G modes
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Using 2.5G speed relies on the SerDes lanes being configured
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accordingly. The lanes have to be reconfigured to switch between
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1G and 2.5G, and for now only the bootloader does this configuration.
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In the case we add a Comphy driver to handle switching the lanes
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dynamically, it's better for now to stick with supporting only 1G and
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add advertisement for 2.5G once we really are capable of handling both
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speeds without problem.
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Since the interface mode is initialy taken from the DT, we want to make
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sure that adding comphy support won't break boards that don't update
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their dtb.
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Fixes: da58a931f248 ("net: mvneta: Add support for 2500Mbps SGMII")
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Reported-by: Andrew Lunn <andrew@lunn.ch>
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Reported-by: Russell King <linux@armlinux.org.uk>
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Signed-off-by: Maxime Chevallier <maxime.chevallier@bootlin.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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drivers/net/ethernet/marvell/mvneta.c | 12 +++---------
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1 file changed, 3 insertions(+), 9 deletions(-)
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--- a/drivers/net/ethernet/marvell/mvneta.c
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+++ b/drivers/net/ethernet/marvell/mvneta.c
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@@ -3360,7 +3360,6 @@ static void mvneta_validate(struct net_d
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if (state->interface != PHY_INTERFACE_MODE_NA &&
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state->interface != PHY_INTERFACE_MODE_QSGMII &&
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state->interface != PHY_INTERFACE_MODE_SGMII &&
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- state->interface != PHY_INTERFACE_MODE_2500BASEX &&
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!phy_interface_mode_is_8023z(state->interface) &&
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!phy_interface_mode_is_rgmii(state->interface)) {
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bitmap_zero(supported, __ETHTOOL_LINK_MODE_MASK_NBITS);
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@@ -3374,14 +3373,9 @@ static void mvneta_validate(struct net_d
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/* Asymmetric pause is unsupported */
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phylink_set(mask, Pause);
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- /* We cannot use 1Gbps when using the 2.5G interface. */
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- if (state->interface == PHY_INTERFACE_MODE_2500BASEX) {
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- phylink_set(mask, 2500baseT_Full);
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- phylink_set(mask, 2500baseX_Full);
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- } else {
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- phylink_set(mask, 1000baseT_Full);
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- phylink_set(mask, 1000baseX_Full);
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- }
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+ /* Half-duplex at speeds higher than 100Mbit is unsupported */
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+ phylink_set(mask, 1000baseT_Full);
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+ phylink_set(mask, 1000baseX_Full);
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if (!phy_interface_mode_is_8023z(state->interface)) {
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/* 10M and 100M are only supported in non-802.3z mode */
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