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29 lines
886 B
Diff
29 lines
886 B
Diff
From 929bb4d3cfbc7878326c0771a01a636d49c54b40 Mon Sep 17 00:00:00 2001
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From: Daniel Golle <daniel@makrotopia.org>
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Date: Sat, 22 Apr 2023 01:25:39 +0100
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Subject: [PATCH 3/3] net: phy: realtek: check validity of 10GbE link-partner
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advertisement
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Only use link-partner advertisement bits for 10GbE modes if they are
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actually valid. Check LOCALOK and REMOTEOK bits and clear 10GbE modes
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unless both of them are set.
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Signed-off-by: Daniel Golle <daniel@makrotopia.org>
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---
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drivers/net/phy/realtek.c | 4 ++++
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1 file changed, 4 insertions(+)
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--- a/drivers/net/phy/realtek.c
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+++ b/drivers/net/phy/realtek.c
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@@ -708,6 +708,10 @@ static int rtl822x_read_status(struct ph
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if (lpadv < 0)
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return lpadv;
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+ if (!(lpadv & MDIO_AN_10GBT_STAT_REMOK) ||
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+ !(lpadv & MDIO_AN_10GBT_STAT_LOCOK))
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+ lpadv = 0;
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+
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mii_10gbt_stat_mod_linkmode_lpa_t(phydev->lp_advertising, lpadv);
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}
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