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65 lines
2.1 KiB
Diff
65 lines
2.1 KiB
Diff
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From 471c40bde606ec0b1ce8c616f7998739c7a783a6 Mon Sep 17 00:00:00 2001
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From: Ivan Bornyakov <i.bornyakov@metrotek.ru>
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Date: Fri, 10 Feb 2023 18:46:27 +0300
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Subject: [PATCH 10/21] net: phylink: support validated pause and autoneg in
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fixed-link
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In fixed-link setup phylink_parse_fixedlink() unconditionally sets
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Pause, Asym_Pause and Autoneg bits to "supported" bitmap, while MAC may
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not support these.
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This leads to ethtool reporting:
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> Supported pause frame use: Symmetric Receive-only
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> Supports auto-negotiation: Yes
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regardless of what is actually supported.
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Instead of unconditionally set Pause, Asym_Pause and Autoneg it is
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sensible to set them according to validated "supported" bitmap, i.e. the
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result of phylink_validate().
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Signed-off-by: Ivan Bornyakov <i.bornyakov@metrotek.ru>
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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 | 17 ++++++++++++++---
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1 file changed, 14 insertions(+), 3 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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@@ -709,6 +709,7 @@ static int phylink_parse_fixedlink(struc
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struct fwnode_handle *fwnode)
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{
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struct fwnode_handle *fixed_node;
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+ bool pause, asym_pause, autoneg;
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const struct phy_setting *s;
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struct gpio_desc *desc;
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u32 speed;
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@@ -781,13 +782,23 @@ static int phylink_parse_fixedlink(struc
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linkmode_copy(pl->link_config.advertising, pl->supported);
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phylink_validate(pl, pl->supported, &pl->link_config);
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+ pause = phylink_test(pl->supported, Pause);
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+ asym_pause = phylink_test(pl->supported, Asym_Pause);
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+ autoneg = phylink_test(pl->supported, Autoneg);
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s = phy_lookup_setting(pl->link_config.speed, pl->link_config.duplex,
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pl->supported, true);
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linkmode_zero(pl->supported);
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phylink_set(pl->supported, MII);
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- phylink_set(pl->supported, Pause);
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- phylink_set(pl->supported, Asym_Pause);
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- phylink_set(pl->supported, Autoneg);
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+
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+ if (pause)
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+ phylink_set(pl->supported, Pause);
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+
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+ if (asym_pause)
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+ phylink_set(pl->supported, Asym_Pause);
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+
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+ if (autoneg)
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+ phylink_set(pl->supported, Autoneg);
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+
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if (s) {
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__set_bit(s->bit, pl->supported);
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__set_bit(s->bit, pl->link_config.lp_advertising);
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