Something

make world V=99

Intel(R) PRO/1000 Gigabit Ethernet support (E1000) [M/n/y/?] m
  Use Rx Polling (NAPI) (E1000_NAPI) [Y/n/?] y
  Disable Packet Split for PCI express adapters (E1000_DISABLE_PACKET_SPLIT) [N/y/?] (NEW)



ubuntu@ubuntu:~/openwrt/trunk$ grep -i e1000 target/linux/x86-2.6/config
CONFIG_E1000=m
CONFIG_E1000_NAPI=y
E1000_DISABLE_PACKET_SPLIT=n