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| author | Linus Walleij <linus.walleij@linaro.org> | 2018-07-11 21:32:45 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-07-12 17:39:15 -0700 |
| commit | 430ac34de9693bfe4bea0bab830e0ca0be9ef4b9 (patch) | |
| tree | dd4b378fb1925c134af8e337a4976aa217e55dce | |
| parent | 06d51513129495fba9bb68ef7aa8cc5ca60e0556 (diff) | |
| download | lwn-430ac34de9693bfe4bea0bab830e0ca0be9ef4b9.tar.gz lwn-430ac34de9693bfe4bea0bab830e0ca0be9ef4b9.zip | |
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: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/cortina/gemini.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/ethernet/cortina/gemini.c b/drivers/net/ethernet/cortina/gemini.c index 050fffb77d11..1c9ad3630c77 100644 --- a/drivers/net/ethernet/cortina/gemini.c +++ b/drivers/net/ethernet/cortina/gemini.c @@ -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, |