[TCPIP] Synchronize LWIP code to 2.2.0

- take code from STABLE-2_2_0_RELEASE commit on https://git.savannah.gnu.org/git/lwip.git
- remove lwip/contrib directory
- do required changes due to upgrade in
  * CMakeLists.txt
  * include/lwip/arch/cc.h
  * include/lwip/arch/sys_arch.h
  * include/lwip/lwipopts.h
  * include/tcpip.h
  * ip/CMakeLists.txt
  * ip/lwip_glue/lwip_glue.h
  * ip/lwip_glue/tcp.c
  * ip/transport/tcp/if.c
  * tcpip/icmp.c

CORE-13098

drivers/network/tcpip/lwip/test/unit/lwipopts.h

@@ -29,13 +29,34 @@
  * Author: Simon Goldschmidt
  *
  */
-#ifndef __LWIPOPTS_H__
-#define __LWIPOPTS_H__
+#ifndef LWIP_HDR_LWIPOPTS_H
+#define LWIP_HDR_LWIPOPTS_H
 
-/* Prevent having to link sys_arch.c (we don't test the API layers in unit tests) */
-#define NO_SYS                          1
-#define LWIP_NETCONN                    0
-#define LWIP_SOCKET                     0
+#define LWIP_TESTMODE                   1
+
+#define LWIP_IPV6                       1
+
+#define LWIP_CHECKSUM_ON_COPY           1
+#define TCP_CHECKSUM_ON_COPY_SANITY_CHECK 1
+#define TCP_CHECKSUM_ON_COPY_SANITY_CHECK_FAIL(printfmsg) LWIP_ASSERT("TCP_CHECKSUM_ON_COPY_SANITY_CHECK_FAIL", 0)
+
+/* We link to special sys_arch.c (for basic non-waiting API layers unit tests) */
+#define NO_SYS                          0
+#define SYS_LIGHTWEIGHT_PROT            0
+#define LWIP_NETCONN                    !NO_SYS
+#define LWIP_SOCKET                     !NO_SYS
+#define LWIP_NETCONN_FULLDUPLEX         LWIP_SOCKET
+#define LWIP_NETCONN_SEM_PER_THREAD     1
+#define LWIP_NETBUF_RECVINFO            1
+#define LWIP_HAVE_LOOPIF                1
+#define TCPIP_THREAD_TEST
+
+/* Enable DHCP to test it */
+#define LWIP_DHCP                       1
+
+/* Enable DNS, with random source port to avoid alloc in dns_init */
+#define LWIP_DNS                        1
+#define LWIP_DNS_SECURE (LWIP_DNS_SECURE_RAND_XID | LWIP_DNS_SECURE_RAND_SRC_PORT)
 
 /* Minimal changes to opt.h required for tcp unit tests: */
 #define MEM_SIZE                        16000
@@ -43,8 +64,31 @@
 #define MEMP_NUM_TCP_SEG                TCP_SND_QUEUELEN
 #define TCP_SND_BUF                     (12 * TCP_MSS)
 #define TCP_WND                         (10 * TCP_MSS)
+#define LWIP_WND_SCALE                  1
+#define TCP_RCV_SCALE                   0
+#define PBUF_POOL_SIZE                  400 /* pbuf tests need ~200KByte */
+
+/* Enable IGMP and MDNS for MDNS tests */
+#define LWIP_IGMP                       1
+#define LWIP_MDNS_RESPONDER             1
+#define LWIP_NUM_NETIF_CLIENT_DATA      (LWIP_MDNS_RESPONDER)
+
+/* Enable PPP and PPPOS support for PPPOS test suites */
+#define PPP_SUPPORT                     1
+#define PPPOS_SUPPORT                   1
 
 /* Minimal changes to opt.h required for etharp unit tests: */
 #define ETHARP_SUPPORT_STATIC_ENTRIES   1
 
-#endif /* __LWIPOPTS_H__ */
+#define MEMP_NUM_SYS_TIMEOUT            (LWIP_NUM_SYS_TIMEOUT_INTERNAL + 8)
+
+/* MIB2 stats are required to check IPv4 reassembly results */
+#define MIB2_STATS                      1
+
+/* netif tests want to test this, so enable: */
+#define LWIP_NETIF_EXT_STATUS_CALLBACK  1
+
+/* Check lwip_stats.mem.illegal instead of asserting */
+#define LWIP_MEM_ILLEGAL_FREE(msg)      /* to nothing */
+
+#endif /* LWIP_HDR_LWIPOPTS_H */