[lwip] update Kconfig: add erx/etx thread config.
@@ -145,6 +145,14 @@ config RT_USING_LWIP
int "the stack size of lwIP thread"
default 1024
+ config LWIP_NO_RX_THREAD
+ bool "Not use Rx thread"
+ default n
+
+ config LWIP_NO_TX_THREAD
+ bool "Not use Tx thread"
+ default n
+
config RT_LWIP_ETHTHREAD_PRIORITY
int "the priority level value of ethernet thread"
default 12
