add lwip-2.0.2 compile compatibility

components/net/KConfig

@@ -17,6 +17,9 @@ config RT_USING_LWIP
 
 			config RT_USING_LWIP200
 				bool "lwIP v2.0.0"
+
+			config RT_USING_LWIP202
+				bool "lwIP v2.0.2"
 		endchoice
 
 		config RT_LWIP_IGMP

components/net/SConscript

@@ -8,7 +8,7 @@ cwd = GetCurrentDir()
 list = os.listdir(cwd)
 
 # the default version of LWIP is 1.4.1
-if not GetDepend('RT_USING_LWIP132') and not GetDepend('RT_USING_LWIP140') and not GetDepend('RT_USING_LWIP200'):
+if not GetDepend('RT_USING_LWIP132') and not GetDepend('RT_USING_LWIP140') and not GetDepend('RT_USING_LWIP200') and not GetDepend('RT_USING_LWIP202'):
     AddDepend('RT_USING_LWIP141')
 
 for d in list:

components/net/lwip-2.0.2/SConscript

@@ -0,0 +1,81 @@
+from building import *
+
+src = Split("""
+src/arch/sys_arch.c
+src/api/api_lib.c
+src/api/api_msg.c
+src/api/err.c
+src/api/netbuf.c
+src/api/netdb.c
+src/api/netifapi.c
+src/api/sockets.c
+src/api/tcpip.c
+src/core/def.c
+src/core/dns.c
+src/core/inet_chksum.c
+src/core/init.c
+src/core/ip.c
+src/core/memp.c
+src/core/netif.c
+src/core/pbuf.c
+src/core/raw.c
+src/core/stats.c
+src/core/sys.c
+src/core/tcp.c
+src/core/tcp_in.c
+src/core/tcp_out.c
+src/core/timeouts.c
+src/core/udp.c
+src/netif/ethernet.c
+src/netif/ethernetif.c
+src/netif/lowpan6.c
+src/netif/slipif.c
+""")
+
+ipv4_src = Split("""
+src/core/ipv4/autoip.c
+src/core/ipv4/dhcp.c
+src/core/ipv4/etharp.c
+src/core/ipv4/icmp.c
+src/core/ipv4/igmp.c
+src/core/ipv4/ip4.c
+src/core/ipv4/ip4_addr.c
+src/core/ipv4/ip4_frag.c
+""")
+
+ipv6_src = Split("""
+src/core/ipv6/dhcp6.c
+src/core/ipv6/ethip6.c
+src/core/ipv6/icmp6.c
+src/core/ipv6/inet6.c
+src/core/ipv6/ip6.c
+src/core/ipv6/ip6_addr.c
+src/core/ipv6/ip6_frag.c
+src/core/ipv6/mld6.c
+src/core/ipv6/nd6.c
+""")
+
+snmp_src = Glob("src/apps/snmp/*.c")
+
+ppp_src = Glob("src/netif/ppp/*.c") + Glob("src/netif/ppp/polarssl/*c")
+
+src = src + ipv4_src
+
+# The set of source files associated with this SConscript file.
+path = [GetCurrentDir() + '/src',
+    GetCurrentDir() + '/src/include',
+    GetCurrentDir() + '/src/include/ipv4',
+    GetCurrentDir() + '/src/arch/include',
+    GetCurrentDir() + '/src/include/netif']
+
+if GetDepend(['RT_LWIP_SNMP']):
+    src += snmp_src
+    path += [GetCurrentDir() + '/src/apps/snmp']
+
+if GetDepend(['RT_LWIP_PPP']):
+    src += ppp_src
+    path += [GetCurrentDir() + '/src/netif/ppp']
+
+group = DefineGroup('lwIP', src, depend = ['RT_USING_LWIP', 'RT_USING_LWIP202'], CPPPATH = path)
+
+Return('group')

components/net/lwip-2.0.2/src/arch/sys_arch.c

@@ -22,6 +22,7 @@
 #include "arch/sys_arch.h"
 #include "lwip/debug.h"
 #include "lwip/netif.h"
+#include "lwip/netifapi.h"
 #include "lwip/tcpip.h"
 #include "netif/ethernetif.h"
 #include "lwip/sio.h"
@@ -601,7 +602,6 @@ u32_t sys_now(void)
 }
 
 
-#if 0
 WEAK
 void mem_init(void)
 {
@@ -628,7 +628,6 @@ void  mem_free(void *mem)
 {
     rt_free(mem);
 }
-#endif
 
 #ifdef RT_LWIP_PPP
 u32_t sio_read(sio_fd_t fd, u8_t *buf, u32_t size)

components/net/lwip-2.0.2/src/lwipopts.h

@@ -39,7 +39,7 @@
 #define LWIP_HAVE_LOOPIF            0
 
 #define LWIP_PLATFORM_BYTESWAP      0
-#define BYTE_ORDER                  LITTLE_ENDIAN
+//#define BYTE_ORDER                  LITTLE_ENDIAN
 
 /* #define RT_LWIP_DEBUG */
 
@@ -52,9 +52,9 @@
 #define SYS_DEBUG                   LWIP_DBG_OFF
 #define ETHARP_DEBUG                LWIP_DBG_OFF
 #define PPP_DEBUG                   LWIP_DBG_OFF
-#define MEM_DEBUG                   LWIP_DBG_ON
-#define MEMP_DEBUG                  LWIP_DBG_ON
-#define PBUF_DEBUG                  LWIP_DBG_ON
+#define MEM_DEBUG                   LWIP_DBG_OFF
+#define MEMP_DEBUG                  LWIP_DBG_OFF
+#define PBUF_DEBUG                  LWIP_DBG_OFF
 #define API_LIB_DEBUG               LWIP_DBG_OFF
 #define API_MSG_DEBUG               LWIP_DBG_OFF
 #define TCPIP_DEBUG                 LWIP_DBG_OFF
@@ -86,9 +86,9 @@
 #define MEMP_OVERFLOW_CHECK         1 ////
 #define LWIP_ALLOW_MEM_FREE_FROM_OTHER_CONTEXT 1 ////
 //#define MEM_LIBC_MALLOC             1
-#define MEM_USE_POOLS               1
-#define MEMP_USE_CUSTOM_POOLS       1
-#define MEM_SIZE                    (1024*64)
+//#define MEM_USE_POOLS               1
+//#define MEMP_USE_CUSTOM_POOLS       1
+//#define MEM_SIZE                    (1024*64)
 
 #ifdef RT_LWIP_USING_RT_MEM
 #define MEMP_MEM_MALLOC             1
@@ -99,7 +99,7 @@
 /* MEMP_NUM_PBUF: the number of memp struct pbufs. If the application
    sends a lot of data out of ROM (or other static memory), this
    should be set high. */
-#define MEMP_NUM_PBUF               64 //16
+#define MEMP_NUM_PBUF               32 //16
 
 /* the number of UDP protocol control blocks. One per active RAW "connection". */
 #ifdef RT_LWIP_RAW_PCB_NUM

components/net/lwip-2.0.2/src/netif/ethernetif.c

@@ -506,11 +506,11 @@ FINSH_FUNCTION_EXPORT(set_if, set network interface address);
 #include <lwip/dns.h>
 void set_dns(char* dns_server)
 {
-    ip_addr_t *addr;
+    ip_addr_t addr;
 
-    if ((dns_server != RT_NULL) && ipaddr_aton(dns_server, addr))
+    if ((dns_server != RT_NULL) && ipaddr_aton(dns_server, &addr))
     {
-        dns_setserver(0, addr);
+        dns_setserver(0, &addr);
     }
 }
 FINSH_FUNCTION_EXPORT(set_dns, set DNS server address);