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Commit 41f2a3e6 authored by Jose Abreu's avatar Jose Abreu Committed by David S. Miller
Browse files

net: stmmac: dwmac4: Enable RX Jumbo frame support 



We are already doing it by default in the TX path so we can also enable
Jumbo Frame support in the RX path independently of MTU value.

Signed-off-by: default avatarJose Abreu <joabreu@synopsys.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent b3138c5b

drivers/net/ethernet/stmicro/stmmac/dwmac4.h

+2 −1
Original line number Diff line number Diff line
@@ -352,7 +352,8 @@ enum power_event { 


/* Default operating mode of the MAC */

#define GMAC_CORE_INIT (GMAC_CONFIG_JD | GMAC_CONFIG_PS | \

			GMAC_CONFIG_BE | GMAC_CONFIG_DCRS)

			GMAC_CONFIG_BE | GMAC_CONFIG_DCRS | \

			GMAC_CONFIG_JE)



/* To dump the core regs excluding  the Address Registers */

#define	GMAC_REG_NUM	132

drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c

+0 −6
Original line number Diff line number Diff line
@@ -25,15 +25,9 @@ static void dwmac4_core_init(struct mac_device_info *hw, 
{

	void __iomem *ioaddr = hw->pcsr;

	u32 value = readl(ioaddr + GMAC_CONFIG);

	int mtu = dev->mtu;



	value |= GMAC_CORE_INIT;



	if (mtu > 1500)

		value |= GMAC_CONFIG_2K;

	if (mtu > 2000)

		value |= GMAC_CONFIG_JE;



	if (hw->ps) {

		value |= GMAC_CONFIG_TE;