File content as of revision 0:f269e3021894:

lwip-1.4.0:
    http://download.savannah.gnu.org/releases/lwip/lwip-1.4.0.zip

NXP lwIP port:
    http://sw.lpcware.com/index.php?p=lwip_lpc.git&a=snapshot&h=7b84446afe97af955acad1d720696a0de73ab7cf&fmt=zip

NXP Driver Library (needed for Ethernet defines)
    http://ics.nxp.com/support/documents/microcontrollers/zip/lpc17xx.cmsis.driver.library.zip

# lwip library
    lwip-1.4.0\src
        api
        core
        include
        netif

# lwip-eth library
    lwip_lpc\nxpcommon\
        examples/lpc177x_8x/ea1788/ea1788_tcpecho_freertos/source/configs/flash/lpc_emac_config.h
        lpc_phy_dp83848.c
        lpc_phy.h
        arch\lpc177x_8x\lpc17_emac.c
        arch\lpc177x_8x\lpc17_emac.h
    lpc17xx.cmsis.driver.library\Drivers\include
        lpc17xx_emac.h

# lwip-sys library
    lwip_lpc\nxpcommon\arch
        cc.h
        perf.h
    touch sys_arch.c
    touch sys_arch.h