Messages in this thread | | | Date | Tue, 11 Apr 2023 16:12:55 -0700 | Subject | Re: [PATCH V2,net-next, 3/3] net: mana: Add support for jumbo frame | From | Jacob Keller <> |
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On 4/7/2023 1:59 PM, Haiyang Zhang wrote: > During probe, get the hardware-allowed max MTU by querying the device > configuration. Users can select MTU up to the device limit. > When XDP is in use, limit MTU settings so the buffer size is within > one page. > Also, to prevent changing MTU fails, and leaves the NIC in a bad state, > pre-allocate all buffers before starting the change. So in low memory > condition, it will return error, without affecting the NIC. >
What happens if XDP gets enabled after MTU larger than PAGE_SIZE is set? Will XDP fail to enable in that case?
Thanks, Jake
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