728-net-phy-realtek-check-validity-of-10GbE-link-partner.patch 886 B

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  1. From 929bb4d3cfbc7878326c0771a01a636d49c54b40 Mon Sep 17 00:00:00 2001
  2. From: Daniel Golle <[email protected]>
  3. Date: Sat, 22 Apr 2023 01:25:39 +0100
  4. Subject: [PATCH 3/3] net: phy: realtek: check validity of 10GbE link-partner
  5. advertisement
  6. Only use link-partner advertisement bits for 10GbE modes if they are
  7. actually valid. Check LOCALOK and REMOTEOK bits and clear 10GbE modes
  8. unless both of them are set.
  9. Signed-off-by: Daniel Golle <[email protected]>
  10. ---
  11. drivers/net/phy/realtek.c | 4 ++++
  12. 1 file changed, 4 insertions(+)
  13. --- a/drivers/net/phy/realtek.c
  14. +++ b/drivers/net/phy/realtek.c
  15. @@ -708,6 +708,10 @@ static int rtl822x_read_status(struct ph
  16. if (lpadv < 0)
  17. return lpadv;
  18. + if (!(lpadv & MDIO_AN_10GBT_STAT_REMOK) ||
  19. + !(lpadv & MDIO_AN_10GBT_STAT_LOCOK))
  20. + lpadv = 0;
  21. +
  22. mii_10gbt_stat_mod_linkmode_lpa_t(phydev->lp_advertising, lpadv);
  23. }