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Commit 430ac34d authored by Linus Walleij's avatar Linus Walleij Committed by David S. Miller
Browse files

net: gemini: Indicate that we can handle jumboframes 



The hardware supposedly handles frames up to 10236 bytes and
implements .ndo_change_mtu() so accept 10236 minus the ethernet
header for a VLAN tagged frame on the netdevices. Use
ETH_MIN_MTU as minimum MTU.

Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Reviewed-by: default avatarAndrew Lunn <andrew@lunn.ch>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 06d51513

drivers/net/ethernet/cortina/gemini.c

+5 −0
Original line number Diff line number Diff line
@@ -2476,6 +2476,11 @@ static int gemini_ethernet_port_probe(struct platform_device *pdev) 


	netdev->hw_features = GMAC_OFFLOAD_FEATURES;

	netdev->features |= GMAC_OFFLOAD_FEATURES | NETIF_F_GRO;

	/* We can handle jumbo frames up to 10236 bytes so, let's accept

	 * payloads of 10236 bytes minus VLAN and ethernet header

	 */

	netdev->min_mtu = ETH_MIN_MTU;

	netdev->max_mtu = 10236 - VLAN_ETH_HLEN;



	port->freeq_refill = 0;

	netif_napi_add(netdev, &port->napi, gmac_napi_poll,