diff options
| author |   Heiner Kallweit <hkallweit1@gmail.com> | 2021-04-14 10:47:10 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2021-04-14 13:05:40 -0700 |
| commit | 453a77894efa4d9b6ef9644d74b9419c47ac427c (patch) | |
| tree | 09ffd7241b52c8227bb671d3d974bc1bba453ced /drivers/net/ethernet/realtek | |
| parent | ethtool: pause: make sure we init driver stats (diff) | |
| download | linux-dev-453a77894efa4d9b6ef9644d74b9419c47ac427c.tar.xz linux-dev-453a77894efa4d9b6ef9644d74b9419c47ac427c.zip | |
r8169: don't advertise pause in jumbo mode
It has been reported [0] that using pause frames in jumbo mode impacts
performance. There's no available chip documentation, but vendor
drivers r8168 and r8125 don't advertise pause in jumbo mode. So let's
do the same, according to Roman it fixes the issue.
[0] https://bugzilla.kernel.org/show_bug.cgi?id=212617
Fixes: 9cf9b84cc701 ("r8169: make use of phy_set_asym_pause")
Reported-by: Roman Mamedov <rm+bko@romanrm.net>
Tested-by: Roman Mamedov <rm+bko@romanrm.net>
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/realtek')
| -rw-r--r-- | drivers/net/ethernet/realtek/r8169_main.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c index 581a92fc3292..1df2c002c9f6 100644 --- a/drivers/net/ethernet/realtek/r8169_main.c +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -2350,6 +2350,13 @@ static void rtl_jumbo_config(struct rtl8169_private *tp) if (pci_is_pcie(tp->pci_dev) && tp->supports_gmii) pcie_set_readrq(tp->pci_dev, readrq); + + /* Chip doesn't support pause in jumbo mode */ + linkmode_mod_bit(ETHTOOL_LINK_MODE_Pause_BIT, + tp->phydev->advertising, !jumbo); + linkmode_mod_bit(ETHTOOL_LINK_MODE_Asym_Pause_BIT, + tp->phydev->advertising, !jumbo); + phy_start_aneg(tp->phydev); } DECLARE_RTL_COND(rtl_chipcmd_cond) @@ -4630,8 +4637,6 @@ static int r8169_phy_connect(struct rtl8169_private *tp) if (!tp->supports_gmii) phy_set_max_speed(phydev, SPEED_100); - phy_support_asym_pause(phydev); - phy_attached_info(phydev); return 0; |