Kevin Zhu <Mingying.Zhu@xxxxxxxxxxxxxx> writes: > Guys, > > After rearranging the padding, putting NCM0 right after NTH, and disable > ARP (FLAG_NOARP) and handling the offset alignment issue, it seems it > begins to work, though there's still problem with DHCP. Great! But it would be good to know if _one_ of these changes is enough to make it work. > The DHCP packet's size becomes a large one after the TX function, which > is 16384, the maximum. You can now (from v3.16) disable the padding by setting min_tx_pkt >= tx_max. Something like this should do for a simple test: echo 16384 >/sys/class/net/wwan0/cdc_ncm/min_tx_pkt Bjørn -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html