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Commit 8a488c3f authored by Jose Abreu's avatar Jose Abreu Committed by David S. Miller
Browse files

net: stmmac: xgmac: 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 56bcd591

drivers/net/ethernet/stmicro/stmmac/dwxgmac2.h

+2 −1
Original line number Diff line number Diff line
@@ -44,7 +44,8 @@ 
#define XGMAC_CONFIG_CST		BIT(2)

#define XGMAC_CONFIG_ACS		BIT(1)

#define XGMAC_CONFIG_RE			BIT(0)

#define XGMAC_CORE_INIT_RX		0

#define XGMAC_CORE_INIT_RX		(XGMAC_CONFIG_GPSLCE | XGMAC_CONFIG_WD | \

					 (XGMAC_JUMBO_LEN << XGMAC_CONFIG_GPSL_SHIFT))

#define XGMAC_PACKET_FILTER		0x00000008

#define XGMAC_FILTER_RA			BIT(31)

#define XGMAC_FILTER_IPFE		BIT(20)

drivers/net/ethernet/stmicro/stmmac/dwxgmac2_core.c

+0 −11
Original line number Diff line number Diff line
@@ -15,7 +15,6 @@ static void dwxgmac2_core_init(struct mac_device_info *hw, 
			       struct net_device *dev)

{

	void __iomem *ioaddr = hw->pcsr;

	int mtu = dev->mtu;

	u32 tx, rx;



	tx = readl(ioaddr + XGMAC_TX_CONFIG);
@@ -24,16 +23,6 @@ static void dwxgmac2_core_init(struct mac_device_info *hw, 
	tx |= XGMAC_CORE_INIT_TX;

	rx |= XGMAC_CORE_INIT_RX;



	if (mtu >= 9000) {

		rx |= XGMAC_CONFIG_GPSLCE;

		rx |= XGMAC_JUMBO_LEN << XGMAC_CONFIG_GPSL_SHIFT;

		rx |= XGMAC_CONFIG_WD;

	} else if (mtu > 2000) {

		rx |= XGMAC_CONFIG_JE;

	} else if (mtu > 1500) {

		rx |= XGMAC_CONFIG_S2KP;

	}



	if (hw->ps) {

		tx |= XGMAC_CONFIG_TE;

		tx &= ~hw->link.speed_mask;