On Sat, 15 Jun 2024 11:30:37 +0100 Paul Barker wrote: > The datasheets for all SoCs using the GbEth IP specify a maximum > transmission frame size of 1.5 kByte. I've confirmed through internal > discussions that support for 1522 byte frames has been validated, which > allows us to support the default MTU of 1500 bytes after reserving space > for the Ethernet header, frame checksums and an optional VLAN tag. But what's the user impact? If we send a bigger frame the IP will hang? Drop the packet? Something else? "Validated" can also mean "officially supported" sometimes vendors just say that to narrow down the test matrix :(
