menu "Net"#config NET_LWIP# bool "Enable Lwip"# default y# help# extend kernel include runstop, dynload, scatter and cppsupport.# It can support all or some.config NET_LWIP_SACK bool "Enable Lwipsack" default y help Answer Y to enable LiteOS support lwip.choice depends on NET_LWIP_SACK prompt "Lwipsack" default y help Enable Lwipsack for 2.xconfig NET_LWIP_SACK_2_1 bool "Enable Lwipsack (2.1)" depends on NET_LWIP_SACKendchoiceendmenu