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	Backport the phy/phylink/sfp patches currently queued in netdev or in mainline necessary to support GPON popular modules, specifically to support Huawei and Nokia GPON modules. Signed-off-by: Russell King <linux@armlinux.org.uk> [jonas.gorski: include kernel version in file names, refresh patches] Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
		
			
				
	
	
		
			85 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			85 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
From 8ac1d3e5cf7d277769ba3403d99f643fab1e3fae Mon Sep 17 00:00:00 2001
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From: Russell King <rmk+kernel@armlinux.org.uk>
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Date: Sat, 23 Nov 2019 14:19:54 +0000
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Subject: [PATCH 611/660] net: phylink: avoid reducing support mask
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Avoid reducing the support mask as a result of the interface type
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selected for SFP modules, or when setting the link settings through
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ethtool - this should only change when the supported link modes of
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the hardware combination change.
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Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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 drivers/net/phy/phylink.c | 13 +++++++++----
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 1 file changed, 9 insertions(+), 4 deletions(-)
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--- a/drivers/net/phy/phylink.c
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+++ b/drivers/net/phy/phylink.c
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@@ -1137,6 +1137,7 @@ EXPORT_SYMBOL_GPL(phylink_ethtool_ksetti
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 int phylink_ethtool_ksettings_set(struct phylink *pl,
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 				  const struct ethtool_link_ksettings *kset)
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 {
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+	__ETHTOOL_DECLARE_LINK_MODE_MASK(support);
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 	struct ethtool_link_ksettings our_kset;
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 	struct phylink_link_state config;
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 	int ret;
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@@ -1147,11 +1148,12 @@ int phylink_ethtool_ksettings_set(struct
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 	    kset->base.autoneg != AUTONEG_ENABLE)
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 		return -EINVAL;
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+	linkmode_copy(support, pl->supported);
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 	config = pl->link_config;
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 	/* Mask out unsupported advertisements */
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 	linkmode_and(config.advertising, kset->link_modes.advertising,
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-		     pl->supported);
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+		     support);
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 	/* FIXME: should we reject autoneg if phy/mac does not support it? */
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 	if (kset->base.autoneg == AUTONEG_DISABLE) {
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@@ -1161,7 +1163,7 @@ int phylink_ethtool_ksettings_set(struct
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 		 * duplex.
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 		 */
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 		s = phy_lookup_setting(kset->base.speed, kset->base.duplex,
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-				       pl->supported,
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+				       support,
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 				       __ETHTOOL_LINK_MODE_MASK_NBITS, false);
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 		if (!s)
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 			return -EINVAL;
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@@ -1191,7 +1193,7 @@ int phylink_ethtool_ksettings_set(struct
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 		__set_bit(ETHTOOL_LINK_MODE_Autoneg_BIT, config.advertising);
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 	}
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-	if (phylink_validate(pl, pl->supported, &config))
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+	if (phylink_validate(pl, support, &config))
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 		return -EINVAL;
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 	/* If autonegotiation is enabled, we must have an advertisement */
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@@ -1633,6 +1635,7 @@ static int phylink_sfp_module_insert(voi
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 {
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 	struct phylink *pl = upstream;
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 	__ETHTOOL_DECLARE_LINK_MODE_MASK(support) = { 0, };
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+	__ETHTOOL_DECLARE_LINK_MODE_MASK(support1);
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 	struct phylink_link_state config;
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 	phy_interface_t iface;
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 	int ret = 0;
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@@ -1660,6 +1663,8 @@ static int phylink_sfp_module_insert(voi
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 		return ret;
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 	}
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+	linkmode_copy(support1, support);
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+
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 	iface = sfp_select_interface(pl->sfp_bus, id, config.advertising);
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 	if (iface == PHY_INTERFACE_MODE_NA) {
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 		netdev_err(pl->netdev,
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@@ -1669,7 +1674,7 @@ static int phylink_sfp_module_insert(voi
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 	}
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 	config.interface = iface;
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-	ret = phylink_validate(pl, support, &config);
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+	ret = phylink_validate(pl, support1, &config);
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 	if (ret) {
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 		netdev_err(pl->netdev, "validation of %s/%s with support %*pb failed: %d\n",
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 			   phylink_an_mode_str(MLO_AN_INBAND),
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