Hello:
This patch was applied to netdev/net.git (refs/heads/master):
On Fri, 19 Mar 2021 13:44:22 +0000 you wrote:
MTU cannot be changed on dwmac-sun8i. (ip link set eth0 mtu xxx returning EINVAL)
This is due to tx_fifo_size being 0, since this value is used to compute valid
MTU range.
Like dwmac-sunxi (with commit 806fd188ce2a ("net: stmmac: dwmac-sunxi: Provide TX and RX fifo sizes"))
dwmac-sun8i need to have tx and rx fifo sizes set.
I have used values from datasheets.
After this patch, setting a non-default MTU (like 1000) value works and network is still useable.
[...]
Here is the summary with links:
- net: stmmac: dwmac-sun8i: Provide TX and RX fifo sizes
https://git.kernel.org/netdev/net/c/014dfa26ce1c
You are awesome, thank you!
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