Hello:
This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@xxxxxxxxxx>:
On Mon, 10 Feb 2025 21:43:28 +0800 you wrote:
> Now for dwmac-loongson {tx,rx}_fifo_size are uninitialised, which means
> zero. This means dwmac-loongson doesn't support changing MTU because in
> stmmac_change_mtu() it requires the fifo size be no less than MTU. Thus,
> set the correct tx_fifo_size and rx_fifo_size for it (16KB multiplied by
> queue counts).
>
> Here {tx,rx}_fifo_size is initialised with the initial value (also the
> maximum value) of {tx,rx}_queues_to_use. So it will keep as 16KB if we
> don't change the queue count, and will be larger than 16KB if we change
> (decrease) the queue count. However stmmac_change_mtu() still work well
> with current logic (MTU cannot be larger than 16KB for stmmac).
>
> [...]
Here is the summary with links:
- [net,V2] net: stmmac: dwmac-loongson: Set correct {tx,rx}_fifo_size
https://git.kernel.org/netdev/net-next/c/8dbf0c755645
You are awesome, thank you!
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