# # Network configuration (with lwIP stack) # if NET_LWIP config LWIP_DEBUG bool "Enable debug traces in the lwIP library" help Prints messages to the console regarding network packets that go in and out of the lwIP library. config LWIP_DEBUG_RXTX bool "Dump packets sent and received by lwIP" help Performs an hexadecimal & ASCII dump of the data received and sent by the lwIP network stack. config LWIP_ASSERT bool "Enable assertions in the lwIP library" help Compiles additional error checking code into the lwIP library. These checks are related to conditions that should not happen in typical use, but may be helpful to debug new features. config PROT_DHCP_LWIP bool select PROT_UDP_LWIP config PROT_DNS_LWIP bool select PROT_UDP_LWIP config PROT_RAW_LWIP bool config PROT_TCP_LWIP bool config PROT_TCP_SACK_LWIP bool "TCP SACK support" depends on PROT_TCP_LWIP default y help TCP protocol with selective acknowledgements. Improves file transfer speed in wget. config PROT_UDP_LWIP bool config LWIP_TCP_WND int "Value of TCP_WND" default 32768 if ARCH_QEMU default 3000000 help Default value for TCP_WND in the lwIP configuration Lower values result in slower wget transfer speeds in general, especially when the latency on the network is high, but QEMU with "-net user" needs no more than a few KB or the transfer will stall and eventually time out. endif # NET_LWIP