task #13907: PPP cleanups: Move PPP mempools out of lwIP core to PPP code

src/include/lwip/memp.h

@@ -33,9 +33,6 @@
 #ifndef LWIP_HDR_MEMP_H
 #define LWIP_HDR_MEMP_H
 
-/* needed by memp_std.h */
-#include "netif/ppp/ppp_opts.h"
-
 #ifdef __cplusplus
 extern "C" {
 #endif

src/include/lwip/priv/memp_std.h

@@ -94,19 +94,6 @@ LWIP_MEMPOOL(NETDB,          MEMP_NUM_NETDB,           NETDB_ELEM_SIZE,
 LWIP_MEMPOOL(LOCALHOSTLIST,  MEMP_NUM_LOCALHOSTLIST,   LOCALHOSTLIST_ELEM_SIZE,       "LOCALHOSTLIST")
 #endif /* LWIP_DNS && DNS_LOCAL_HOSTLIST && DNS_LOCAL_HOSTLIST_IS_DYNAMIC */
 
-#if PPP_SUPPORT
-LWIP_MEMPOOL(PPP_PCB,       MEMP_NUM_PPP_PCB,              sizeof(ppp_pcb),             "PPP_PCB")
-#if PPPOS_SUPPORT
-LWIP_MEMPOOL(PPPOS_PCB,     MEMP_NUM_PPPOS_INTERFACES,     sizeof(pppos_pcb),           "PPPOS_PCB")
-#endif /* PPPOS_SUPPORT */
-#if PPPOE_SUPPORT
-LWIP_MEMPOOL(PPPOE_IF,      MEMP_NUM_PPPOE_INTERFACES,     sizeof(struct pppoe_softc),  "PPPOE_IF")
-#endif /* PPPOE_SUPPORT */
-#if PPPOL2TP_SUPPORT
-LWIP_MEMPOOL(PPPOL2TP_PCB,  MEMP_NUM_PPPOL2TP_INTERFACES,  sizeof(pppol2tp_pcb),        "PPPOL2TP_PCB")
-#endif /* PPPOL2TP_SUPPORT */
-#endif /* PPP_SUPPORT */
-
 #if LWIP_IPV6 && LWIP_ND6_QUEUEING
 LWIP_MEMPOOL(ND6_QUEUE,      MEMP_NUM_ND6_QUEUE,       sizeof(struct nd6_q_entry), "ND6_QUEUE")
 #endif /* LWIP_IPV6 && LWIP_ND6_QUEUEING */

src/include/netif/ppp/ppp_impl.h

@@ -378,6 +378,13 @@ struct pppd_stats {
  * PPP private functions
  */
 
+ 
+/*
+ * Functions called from lwIP core.
+ */
+
+/* initialize the PPP subsystem */
+int ppp_init(void);
 
 /*
  * Functions called from PPP link protocols.