started to move "private" header files containing implementation details to "lwip/priv/" include directory to seperate the API from the implementation.

src/core/init.c

@@ -49,7 +49,7 @@
 #include "lwip/ip.h"
 #include "lwip/raw.h"
 #include "lwip/udp.h"
-#include "lwip/tcp_impl.h"
+#include "lwip/priv/tcp_priv.h"
 #include "lwip/snmp.h"
 #include "lwip/autoip.h"
 #include "lwip/igmp.h"

src/core/ipv4/ip4.c

@@ -52,7 +52,7 @@
 #include "lwip/igmp.h"
 #include "lwip/raw.h"
 #include "lwip/udp.h"
-#include "lwip/tcp_impl.h"
+#include "lwip/priv/tcp_priv.h"
 #include "lwip/dhcp.h"
 #include "lwip/autoip.h"
 #include "lwip/stats.h"

src/core/ipv6/ip6.c

@@ -52,7 +52,7 @@
 #include "lwip/icmp6.h"
 #include "lwip/raw.h"
 #include "lwip/udp.h"
-#include "lwip/tcp_impl.h"
+#include "lwip/priv/tcp_priv.h"
 #include "lwip/dhcp6.h"
 #include "lwip/nd6.h"
 #include "lwip/mld6.h"

src/core/memp.c

@@ -44,12 +44,10 @@
 #include "lwip/pbuf.h"
 #include "lwip/udp.h"
 #include "lwip/raw.h"
-#include "lwip/tcp_impl.h"
 #include "lwip/igmp.h"
 #include "lwip/api.h"
-#include "lwip/api_msg.h"
+#include "lwip/priv/api_msg.h"
 #include "lwip/sockets.h"
-#include "lwip/tcpip.h"
 #include "lwip/sys.h"
 #include "lwip/timers.h"
 #include "lwip/stats.h"
@@ -66,6 +64,8 @@
 #include "lwip/nd6.h"
 #include "lwip/ip6_frag.h"
 #include "lwip/mld6.h"
+#include "lwip/priv/tcp_priv.h"
+#include "lwip/priv/tcpip_priv.h"
 
 #include <string.h>
 
@@ -136,7 +136,7 @@ static
 #endif
 const u16_t memp_sizes[MEMP_MAX] = {
 #define LWIP_MEMPOOL(name,num,size,desc)  LWIP_MEM_ALIGN_SIZE(size),
-#include "lwip/memp_std.h"
+#include "lwip/priv/memp_std.h"
 };
 
 #if !MEMP_MEM_MALLOC /* don't build if not configured for use in lwipopts.h */
@@ -144,14 +144,14 @@ const u16_t memp_sizes[MEMP_MAX] = {
 /** This array holds the number of elements in each pool. */
 static const u16_t memp_num[MEMP_MAX] = {
 #define LWIP_MEMPOOL(name,num,size,desc)  (num),
-#include "lwip/memp_std.h"
+#include "lwip/priv/memp_std.h"
 };
 
 /** This array holds a textual description of each pool. */
 #ifdef LWIP_DEBUG
 static const char *memp_desc[MEMP_MAX] = {
 #define LWIP_MEMPOOL(name,num,size,desc)  (desc),
-#include "lwip/memp_std.h"
+#include "lwip/priv/memp_std.h"
 };
 #endif /* LWIP_DEBUG */
 
@@ -164,12 +164,12 @@ static const char *memp_desc[MEMP_MAX] = {
  */
 #define LWIP_MEMPOOL(name,num,size,desc) u8_t memp_memory_ ## name ## _base \
   [((num) * (MEMP_SIZE + MEMP_ALIGN_SIZE(size)))];
-#include "lwip/memp_std.h"
+#include "lwip/priv/memp_std.h"
 
 /** This array holds the base of each memory pool. */
 static u8_t *const memp_bases[] = {
 #define LWIP_MEMPOOL(name,num,size,desc) memp_memory_ ## name ## _base,
-#include "lwip/memp_std.h"
+#include "lwip/priv/memp_std.h"
 };
 
 #else /* MEMP_SEPARATE_POOLS */
@@ -177,7 +177,7 @@ static u8_t *const memp_bases[] = {
 /** This is the actual memory used by the pools (all pools in one big block). */
 static u8_t memp_memory[MEM_ALIGNMENT - 1
 #define LWIP_MEMPOOL(name,num,size,desc) + ( (num) * (MEMP_SIZE + MEMP_ALIGN_SIZE(size) ) )
-#include "lwip/memp_std.h"
+#include "lwip/priv/memp_std.h"
 ];
 
 #endif /* MEMP_SEPARATE_POOLS */
@@ -210,7 +210,7 @@ memp_sanity(void)
 #if defined(LWIP_DEBUG) && MEMP_STATS
 static const char * memp_overflow_names[] = {
 #define LWIP_MEMPOOL(name,num,size,desc) "/"desc,
-#include "lwip/memp_std.h"
+#include "lwip/priv/memp_std.h"
   };
 #endif
 

src/core/netif.c

@@ -42,7 +42,7 @@
 #include "lwip/ip_addr.h"
 #include "lwip/ip6_addr.h"
 #include "lwip/netif.h"
-#include "lwip/tcp_impl.h"
+#include "lwip/priv/tcp_priv.h"
 #include "lwip/udp.h"
 #include "lwip/snmp_mib2.h"
 #include "lwip/igmp.h"

src/core/pbuf.c

@@ -70,7 +70,7 @@
 #include "lwip/pbuf.h"
 #include "lwip/sys.h"
 #if LWIP_TCP && TCP_QUEUE_OOSEQ
-#include "lwip/tcp_impl.h"
+#include "lwip/priv/tcp_priv.h"
 #endif
 #if LWIP_CHECKSUM_ON_COPY
 #include "lwip/inet_chksum.h"

src/core/snmp/mib2.c

@@ -56,7 +56,7 @@
 #include "lwip/ip.h"
 #include "lwip/ip_frag.h"
 #include "lwip/mem.h"
-#include "lwip/tcp_impl.h"
+#include "lwip/priv/tcp_priv.h"
 #include "lwip/udp.h"
 #include "lwip/snmp_asn1.h"
 #include "lwip/snmp_structs.h"

src/core/stats.c

@@ -56,7 +56,7 @@ stats_init(void)
 #if MEMP_STATS
   const char * memp_names[] = {
 #define LWIP_MEMPOOL(name,num,size,desc) desc,
-#include "lwip/memp_std.h"
+#include "lwip/priv/memp_std.h"
   };
   int i;
   for (i = 0; i < MEMP_MAX; i++) {
@@ -127,7 +127,7 @@ stats_display_memp(struct stats_mem *mem, int index)
 {
   const char * memp_names[] = {
 #define LWIP_MEMPOOL(name,num,size,desc) desc,
-#include "lwip/memp_std.h"
+#include "lwip/priv/memp_std.h"
   };
   if (index < MEMP_MAX) {
     stats_display_mem(mem, memp_names[index]);

src/core/tcp.c

@@ -48,7 +48,7 @@
 #include "lwip/mem.h"
 #include "lwip/memp.h"
 #include "lwip/tcp.h"
-#include "lwip/tcp_impl.h"
+#include "lwip/priv/tcp_priv.h"
 #include "lwip/debug.h"
 #include "lwip/stats.h"
 #include "lwip/ip6.h"

src/core/tcp_in.c

@@ -45,7 +45,7 @@
 
 #if LWIP_TCP /* don't build if not configured for use in lwipopts.h */
 
-#include "lwip/tcp_impl.h"
+#include "lwip/priv/tcp_priv.h"
 #include "lwip/def.h"
 #include "lwip/ip_addr.h"
 #include "lwip/netif.h"

src/core/tcp_out.c

@@ -42,7 +42,7 @@
 
 #if LWIP_TCP /* don't build if not configured for use in lwipopts.h */
 
-#include "lwip/tcp_impl.h"
+#include "lwip/priv/tcp_priv.h"
 #include "lwip/def.h"
 #include "lwip/mem.h"
 #include "lwip/memp.h"

src/core/timers.c

@@ -42,13 +42,13 @@
 #include "lwip/opt.h"
 
 #include "lwip/timers.h"
-#include "lwip/tcp_impl.h"
+#include "lwip/priv/tcp_priv.h"
 
 #if LWIP_TIMERS
 
 #include "lwip/def.h"
 #include "lwip/memp.h"
-#include "lwip/tcpip.h"
+#include "lwip/priv/tcpip_priv.h"
 
 #include "lwip/ip_frag.h"
 #include "netif/etharp.h"