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| author | Heiner Kallweit <hkallweit1@gmail.com> | 2021-01-09 23:01:18 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-04-21 13:13:28 +0200 |
| commit | 2923483afcbf549c40e499ef5496519d8653e09c (patch) | |
| tree | a00594d4f7598f3588416f5f52eff2222ba75aa9 | |
| parent | 86463b30e4ef70c4551a94cb68b5a667c2e00846 (diff) | |
| download | linux-2923483afcbf549c40e499ef5496519d8653e09c.tar.gz linux-2923483afcbf549c40e499ef5496519d8653e09c.tar.bz2 linux-2923483afcbf549c40e499ef5496519d8653e09c.zip | |
r8169: tweak max read request size for newer chips also in jumbo mtu mode
[ Upstream commit 5e00e16cb98935bcf06f51931876d898c226f65c ]
So far we don't increase the max read request size if we switch to
jumbo mode before bringing up the interface for the first time.
Let's change this.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/net/ethernet/realtek/r8169_main.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/net/ethernet/realtek/r8169_main.c b/drivers/net/ethernet/realtek/r8169_main.c index 7c1a057dcf3d..47a4ff832d75 100644 --- a/drivers/net/ethernet/realtek/r8169_main.c +++ b/drivers/net/ethernet/realtek/r8169_main.c @@ -2342,13 +2342,14 @@ static void r8168b_1_hw_jumbo_disable(struct rtl8169_private *tp) static void rtl_jumbo_config(struct rtl8169_private *tp) { bool jumbo = tp->dev->mtu > ETH_DATA_LEN; + int readrq = 4096; rtl_unlock_config_regs(tp); switch (tp->mac_version) { case RTL_GIGA_MAC_VER_12: case RTL_GIGA_MAC_VER_17: if (jumbo) { - pcie_set_readrq(tp->pci_dev, 512); + readrq = 512; r8168b_1_hw_jumbo_enable(tp); } else { r8168b_1_hw_jumbo_disable(tp); @@ -2356,7 +2357,7 @@ static void rtl_jumbo_config(struct rtl8169_private *tp) break; case RTL_GIGA_MAC_VER_18 ... RTL_GIGA_MAC_VER_26: if (jumbo) { - pcie_set_readrq(tp->pci_dev, 512); + readrq = 512; r8168c_hw_jumbo_enable(tp); } else { r8168c_hw_jumbo_disable(tp); @@ -2381,8 +2382,8 @@ static void rtl_jumbo_config(struct rtl8169_private *tp) } rtl_lock_config_regs(tp); - if (!jumbo && pci_is_pcie(tp->pci_dev) && tp->supports_gmii) - pcie_set_readrq(tp->pci_dev, 4096); + if (pci_is_pcie(tp->pci_dev) && tp->supports_gmii) + pcie_set_readrq(tp->pci_dev, readrq); } DECLARE_RTL_COND(rtl_chipcmd_cond) |