Le Wed, Mar 17, 2021 at 10:19:26AM +0100, Belisko Marek a écrit : > Hi, > > I'm hunting an issue when setting mtu failed for dwmac-sun8i driver. > Basically adding more debug shows that in stmmac_change_mtu > tx_fifo_size is 0 and in this case EINVAL is reported. Isaw there was > fix for similar driver dwmac-sunxi driver by: > 806fd188ce2a4f8b587e83e73c478e6484fbfa55 > > IIRC dwmac-sun8i should get tx and rx fifo size from dma but seems > it's not the case. I'm using 5.4 kernel LTS release. Any ideas? > > Thanks and BR, > > marek >
Hello Could you provide exact command line you tried to change mtu ? Along with all MTU values you tried. Thanks Regards
