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net: stmmac: dwmac4: Enable RX Jumbo frame support

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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: Jose Abreu <joabreu@synopsys.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jose Abreu 2019-09-06 09:41:15 +02:00 committed by David S. Miller
parent b3138c5b0f
commit 41f2a3e636
2 changed files with 2 additions and 7 deletions
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3
drivers/net/ethernet/stmicro/stmmac/dwmac4.h
View File

@ -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

6
drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
View File

@ -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;