Commit 5e00e16c authored by Heiner Kallweit's avatar Heiner Kallweit Committed by Jakub Kicinski
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r8169: tweak max read request size for newer chips also in jumbo mtu mode 



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: default avatarHeiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 2007317e

drivers/net/ethernet/realtek/r8169_main.c

+5 −4
Original line number Diff line number Diff line
@@ -2341,13 +2341,14 @@ 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);
@@ -2355,7 +2356,7 @@ 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);
@@ -2378,8 +2379,8 @@ 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)