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net: stmmac: Correctly assing MAX MTU in XGMAC cores case 

Maximum MTU for XGMAC cores is 16k thus the check for presence of XGMAC
shall be done first in order to assign correct 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 2019-09-04 15:17:03 +02:00 committed by David S. Miller
parent c2b69474d6
commit 56bcd59122
1 changed files with 3 additions and 3 deletions
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6
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
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@ -4542,10 +4542,10 @@ int stmmac_dvr_probe(struct device *device,
/* MTU range: 46 - hw-specific max */
ndev->min_mtu = ETH_ZLEN - ETH_HLEN;
if ((priv->plat->enh_desc) || (priv->synopsys_id >= DWMAC_CORE_4_00))
ndev->max_mtu = JUMBO_LEN;
else if (priv->plat->has_xgmac)
if (priv->plat->has_xgmac)
ndev->max_mtu = XGMAC_JUMBO_LEN;
else if ((priv->plat->enh_desc) || (priv->synopsys_id >= DWMAC_CORE_4_00))
ndev->max_mtu = JUMBO_LEN;
else
ndev->max_mtu = SKB_MAX_HEAD(NET_SKB_PAD + NET_IP_ALIGN);
/* Will not overwrite ndev->max_mtu if plat->maxmtu > ndev->max_mtu