| Date | Tue, 27 Mar 2012 22:35:45 -0400 (EDT) | Subject | Re: [PATCH v4] Ethernet driver for the WIZnet W5300 chip | From | David Miller <> |
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From: Mike Sinkovsky <msink@permonline.ru> Date: Mon, 26 Mar 2012 15:07:56 +0600
> +/* > + * Frame size is hardwired to 1514 bytes (including header), > + * => MTU for 802.1Q frames must be set to 1500-4 = 1496 > + */ > +#define W5300_HARD_MTU 1500
I've told you that you must set the VLAN challenged feature flag (NETIF_F_VLAN_CHALLENGED) for devices which have this restriction.
Just set that, and remove this comment, since the feature bit setting documents this restriction fully and perfectly.
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