From 3e4cff8ec23bc129b0faef3e71aae41278f2f67b Mon Sep 17 00:00:00 2001
From: Our Air Quality <info@ourairquality.org>
Date: Wed, 2 Aug 2017 09:47:33 +1000
Subject: [PATCH] upnp example: strip down the lwipopts.h file

---
 examples/upnp/lwipopts.h | 463 +--------------------------------------
 1 file changed, 2 insertions(+), 461 deletions(-)

diff --git a/examples/upnp/lwipopts.h b/examples/upnp/lwipopts.h
index a82d3fc..56f45f2 100644
--- a/examples/upnp/lwipopts.h
+++ b/examples/upnp/lwipopts.h
@@ -1,464 +1,5 @@
-/*
- * Copyright (c) 2001-2003 Swedish Institute of Computer Science.
- * All rights reserved. 
- * 
- * Redistribution and use in source and binary forms, with or without modification, 
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- *    this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- *    this list of conditions and the following disclaimer in the documentation
- *    and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- *    derived from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 
- * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 
- * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 
- * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 
- * OF SUCH DAMAGE.
- *
- * This file is part of the lwIP TCP/IP stack.
- * 
- * Author: Simon Goldschmidt
- *
- */
-#ifndef __LWIPOPTS_H__
-#define __LWIPOPTS_H__
-
-#define LWIP_ESP                            1
-#define ESP_RTOS                            1
-#define PBUF_RSV_FOR_WLAN                   1
-#define EBUF_LWIP                           1
-#define ESP_TIMEWAIT_THRESHOLD              10000
-#define LWIP_TIMEVAL_PRIVATE                0
-
-#define TCP_WND (TCP_MSS * 2)
 
 #define LWIP_IGMP 1
-#include <stdint.h>
-#include <esp/hwrand.h>
-#define LWIP_RAND hwrand
 
-/*
-   -----------------------------------------------
-   ---------- Platform specific locking ----------
-   -----------------------------------------------
-*/
-/**
- * SYS_LIGHTWEIGHT_PROT==1: if you want inter-task protection for certain
- * critical regions during buffer allocation, deallocation and memory
- * allocation and deallocation.
- */
-#define SYS_LIGHTWEIGHT_PROT        1
-
-/**
- * MEMCPY: override this if you have a faster implementation at hand than the
- * one included in your C library
- */
-#define MEMCPY(dst,src,len)             memcpy(dst,src,len)
-
-/**
- * SMEMCPY: override this with care! Some compilers (e.g. gcc) can inline a
- * call to memcpy() if the length is known at compile time and is small.
- */
-#define SMEMCPY(dst,src,len)            memcpy(dst,src,len)
-
-/*
-   ------------------------------------
-   ---------- Memory options ----------
-   ------------------------------------
-*/
-/**
- * MEM_LIBC_MALLOC==1: Use malloc/free/realloc provided by your C-library
- * instead of the lwip internal allocator. Can save code size if you
- * already use it.
- */
-#define MEM_LIBC_MALLOC        1
-
-/**
-* MEMP_MEM_MALLOC==1: Use mem_malloc/mem_free instead of the lwip pool allocator.
-* Especially useful with MEM_LIBC_MALLOC but handle with care regarding execution
-* speed and usage from interrupts!
-*/
-#define MEMP_MEM_MALLOC                 1
-
-/**
- * MEM_ALIGNMENT: should be set to the alignment of the CPU
- *    4 byte alignment -> #define MEM_ALIGNMENT 4
- *    2 byte alignment -> #define MEM_ALIGNMENT 2
- */
-#define MEM_ALIGNMENT           4
-
-/*
-   ------------------------------------------------
-   ---------- Internal Memory Pool Sizes ----------
-   ------------------------------------------------
-*/
-
-/*
-   --------------------------------
-   ---------- ARP options -------
-   --------------------------------
-*/
-/**
- * ARP_QUEUEING==1: Multiple outgoing packets are queued during hardware address
- * resolution. By default, only the most recent packet is queued per IP address.
- * This is sufficient for most protocols and mainly reduces TCP connection
- * startup time. Set this to 1 if you know your application sends more than one
- * packet in a row to an IP address that is not in the ARP cache.
- */
-#define ARP_QUEUEING                    1
-
-/*
-   --------------------------------
-   ---------- IP options ----------
-   --------------------------------
-*/
-/**
- * IP_REASSEMBLY==1: Reassemble incoming fragmented IP packets. Note that
- * this option does not affect outgoing packet sizes, which can be controlled
- * via IP_FRAG.
- */
-#define IP_REASSEMBLY                   0
-
-/**
- * IP_FRAG==1: Fragment outgoing IP packets if their size exceeds MTU. Note
- * that this option does not affect incoming packet sizes, which can be
- * controlled via IP_REASSEMBLY.
- */
-#define IP_FRAG                         1
-
-/**
- * IP_REASS_MAXAGE: Maximum time (in multiples of IP_TMR_INTERVAL - so seconds, normally)
- * a fragmented IP packet waits for all fragments to arrive. If not all fragments arrived
- * in this time, the whole packet is discarded.
- */
-#define IP_REASS_MAXAGE                 3
-
-/**
- * IP_REASS_MAX_PBUFS: Total maximum amount of pbufs waiting to be reassembled.
- * Since the received pbufs are enqueued, be sure to configure
- * PBUF_POOL_SIZE > IP_REASS_MAX_PBUFS so that the stack is still able to receive
- * packets even if the maximum amount of fragments is enqueued for reassembly!
- */
-#define IP_REASS_MAX_PBUFS              10
-
-/*
-   ----------------------------------
-   ---------- ICMP options ----------
-   ----------------------------------
-*/
-
-/*
-   ---------------------------------
-   ---------- RAW options ----------
-   ---------------------------------
-*/
-
-/*
-   ----------------------------------
-   ---------- DHCP options ----------
-   ----------------------------------
-*/
-/**
- * LWIP_DHCP==1: Enable DHCP module.
- */
-#define LWIP_DHCP                       1
-
-#define LWIP_DHCP_BOOTP_FILE            0
-
-/*
-   ------------------------------------
-   ---------- AUTOIP options ----------
-   ------------------------------------
-*/
-/*
-   ----------------------------------
-   ---------- SNMP options ----------
-   ----------------------------------
-*/
-/*
-   ----------------------------------
-   ---------- IGMP options ----------
-   ----------------------------------
-*/
-/*
-   ----------------------------------
-   ---------- DNS options -----------
-   ----------------------------------
-*/
-/**
- * LWIP_DNS==1: Turn on DNS module. UDP must be available for DNS
- * transport.
- */
-#define LWIP_DNS                        1
-
-#define DNS_TABLE_SIZE 1
-#define DNS_MAX_NAME_LENGTH 128
-
-/*
-   ---------------------------------
-   ---------- UDP options ----------
-   ---------------------------------
-*/
-/*
-   ---------------------------------
-   ---------- TCP options ----------
-   ---------------------------------
-*/
-/**
- * TCP_QUEUE_OOSEQ==1: TCP will queue segments that arrive out of order.
- * Define to 0 if your device is low on memory.
- */
-#define TCP_QUEUE_OOSEQ                 0
-
-/*
- *     LWIP_EVENT_API==1: The user defines lwip_tcp_event() to receive all
- *         events (accept, sent, etc) that happen in the system.
- *     LWIP_CALLBACK_API==1: The PCB callback function is called directly
- *         for the event. This is the default.
-*/
-#define TCP_MSS                         1460
-
-/**
- * TCP_MAXRTX: Maximum number of retransmissions of data segments.
- */
-#define TCP_MAXRTX                      6
-
-
-/**
- * TCP_SYNMAXRTX: Maximum number of retransmissions of SYN segments.
- */
-#define TCP_SYNMAXRTX                   3
-
-/*
-   ----------------------------------
-   ---------- Pbuf options ----------
-   ----------------------------------
-*/
-
-/*
-   ------------------------------------------------
-   ---------- Network Interfaces options ----------
-   ------------------------------------------------
-*/
-/**
- * LWIP_NETIF_TX_SINGLE_PBUF: if this is set to 1, lwIP tries to put all data
- * to be sent into one single pbuf. This is for compatibility with DMA-enabled
- * MACs that do not support scatter-gather.
- * Beware that this might involve CPU-memcpy before transmitting that would not
- * be needed without this flag! Use this only if you need to!
- *
- * @todo: TCP and IP-frag do not work with this, yet:
- */
-#define LWIP_NETIF_TX_SINGLE_PBUF             1
-
-/*
-   ------------------------------------
-   ---------- LOOPIF options ----------
-   ------------------------------------
-*/
-
-/*
-   ------------------------------------
-   ---------- SLIPIF options ----------
-   ------------------------------------
-*/
-
-/*
-   ------------------------------------
-   ---------- Thread options ----------
-   ------------------------------------
-*/
-/**
- * TCPIP_THREAD_STACKSIZE: The stack size used by the main tcpip thread.
- * The stack size value itself is platform-dependent, but is passed to
- * sys_thread_new() when the thread is created.
- */
-#define TCPIP_THREAD_STACKSIZE          512			//not ok:384 
-
-/**
- * TCPIP_THREAD_PRIO: The priority assigned to the main tcpip thread.
- * The priority value itself is platform-dependent, but is passed to
- * sys_thread_new() when the thread is created.
- */
-#define TCPIP_THREAD_PRIO               (configMAX_PRIORITIES-5)
-
-/**
- * TCPIP_MBOX_SIZE: The mailbox size for the tcpip thread messages
- * The queue size value itself is platform-dependent, but is passed to
- * sys_mbox_new() when tcpip_init is called.
- */
-#define TCPIP_MBOX_SIZE                 16
-
-/**
- * DEFAULT_UDP_RECVMBOX_SIZE: The mailbox size for the incoming packets on a
- * NETCONN_UDP. The queue size value itself is platform-dependent, but is passed
- * to sys_mbox_new() when the recvmbox is created.
- */
-#define DEFAULT_UDP_RECVMBOX_SIZE       6
-
-/**
- * DEFAULT_TCP_RECVMBOX_SIZE: The mailbox size for the incoming packets on a
- * NETCONN_TCP. The queue size value itself is platform-dependent, but is passed
- * to sys_mbox_new() when the recvmbox is created.
- */
-#define DEFAULT_TCP_RECVMBOX_SIZE       6
-
-/**
- * DEFAULT_ACCEPTMBOX_SIZE: The mailbox size for the incoming connections.
- * The queue size value itself is platform-dependent, but is passed to
- * sys_mbox_new() when the acceptmbox is created.
- */
-#define DEFAULT_ACCEPTMBOX_SIZE         6
-
-/*
-   ----------------------------------------------
-   ---------- Sequential layer options ----------
-   ----------------------------------------------
-*/
-
-/*
-   ------------------------------------
-   ---------- Socket options ----------
-   ------------------------------------
-*/
-/**
- * LWIP_SO_SNDTIMEO==1: Enable send timeout for sockets/netconns and
- * SO_SNDTIMEO processing.
- */
-#define LWIP_SO_SNDTIMEO                1
-
-/**
- * LWIP_SO_RCVTIMEO==1: Enable receive timeout for sockets/netconns and
- * SO_RCVTIMEO processing.
- */
-#define LWIP_SO_RCVTIMEO                1
-
-/**
- * LWIP_TCP_KEEPALIVE==1: Enable TCP_KEEPIDLE, TCP_KEEPINTVL and TCP_KEEPCNT
- * options processing. Note that TCP_KEEPIDLE and TCP_KEEPINTVL have to be set
- * in seconds. (does not require sockets.c, and will affect tcp.c)
- */
-#define LWIP_TCP_KEEPALIVE              1
-
-/**
- * LWIP_SO_RCVBUF==1: Enable SO_RCVBUF processing.
- */
-#define LWIP_SO_RCVBUF                  0
-
-/**
- * SO_REUSE==1: Enable SO_REUSEADDR option.
- */
-#define SO_REUSE                        1
-
-/*
-   ----------------------------------------
-   ---------- Statistics options ----------
-   ----------------------------------------
-*/
-
-/*
-   ---------------------------------
-   ---------- PPP options ----------
-   ---------------------------------
-*/
-
-/*
-   --------------------------------------
-   ---------- Checksum options ----------
-   --------------------------------------
-*/
-
-/*
-   ---------------------------------------
-   ---------- IPv6 options ---------------
-   ---------------------------------------
-*/
-
-/*
-   ---------------------------------------
-   ---------- Hook options ---------------
-   ---------------------------------------
-*/
-
-/*
-   ---------------------------------------
-   ---------- Debugging options ----------
-   ---------------------------------------
-*/
-
-// Uncomment this line, and set the individual debug options you want, for IP stack debug output
-//#define LWIP_DEBUG
-
-/**
- * ETHARP_DEBUG: Enable debugging in etharp.c.
- */
-#define ETHARP_DEBUG                    LWIP_DBG_OFF
-
-/**
- * PBUF_DEBUG: Enable debugging in pbuf.c.
- */
-#define PBUF_DEBUG                      LWIP_DBG_OFF
-
-/**
- * API_LIB_DEBUG: Enable debugging in api_lib.c.
- */
-#define API_LIB_DEBUG                   LWIP_DBG_OFF
-
-/**
- * SOCKETS_DEBUG: Enable debugging in sockets.c.
- */
-#define SOCKETS_DEBUG                   LWIP_DBG_OFF
-
-/**
- * IP_DEBUG: Enable debugging for IP.
- */
-#define IP_DEBUG                        LWIP_DBG_OFF
-
-/**
- * MEMP_DEBUG: Enable debugging in memp.c.
- */
-#define MEMP_DEBUG                      LWIP_DBG_OFF
-
-/**
- * TCP_INPUT_DEBUG: Enable debugging in tcp_in.c for incoming debug.
- */
-#define TCP_INPUT_DEBUG                 LWIP_DBG_OFF
-
-/**
- * TCP_OUTPUT_DEBUG: Enable debugging in tcp_out.c output functions.
- */
-#define TCP_OUTPUT_DEBUG                LWIP_DBG_OFF
-
-/**
- * UDP_DEBUG: Enable debugging in udp.c.
- */
-#define UDP_DEBUG                     LWIP_DBG_OFF
-
-/**
- * ICMP_DEBUG: Enable debugging in udp.c.
- */
-#define ICMP_DEBUG                     LWIP_DBG_OFF
-
-/**
- * TCPIP_DEBUG: Enable debugging in tcpip.c.
- */
-#define TCPIP_DEBUG                     LWIP_DBG_OFF
-
-
-/**
- * DHCP_DEBUG: Enable debugging in dhcp.c.
- */
-#define DHCP_DEBUG                      LWIP_DBG_OFF
-
-#define LWIP_POSIX_SOCKETS_IO_NAMES     0
-
-#endif /* __LWIPOPTS_H__ */
+/* Use the defaults for everything else */
+#include_next <lwipopts.h>