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new network feature: NAPT (widely known as NAT) (#6360)

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* lwIP: napt patches (enabled with lwip2 w/o IPv6 w/ features)
This commit is contained in:
david gauchard
2019-08-28 17:51:14 +02:00
committed by GitHub
parent 7436f3802a
commit 06f1865628
18 changed files with 497 additions and 8 deletions
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113
tools/sdk/lwip2/include/glue.h Normal file
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/*
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.
author: d. gauchard
*/
#ifndef GLUE_H
#define GLUE_H
#ifndef ARDUINO
#define ARDUINO 0
#endif
#ifndef OPENSDK
#define OPENSDK 0
#endif
#if !ARDUINO && !OPENSDK
#error Must defined ARDUINO or OPENSDK
#endif
#include "gluedebug.h"
#ifdef __cplusplus
extern "C"
{
#endif
#include "ets_sys.h"
#include "osapi.h"
#include "user_interface.h"
#ifdef __cplusplus
}
#endif
typedef enum
{
GLUE_ERR_OK = 0,
GLUE_ERR_MEM = -1,
GLUE_ERR_BUF = -2,
GLUE_ERR_TIMEOUT = -3,
GLUE_ERR_RTE = -4,
GLUE_ERR_INPROGRESS = -5,
GLUE_ERR_VAL = -6,
GLUE_ERR_WOULDBLOCK = -7,
GLUE_ERR_USE = -8,
GLUE_ERR_ALREADY = -9,
GLUE_ERR_ISCONN = -10,
GLUE_ERR_CONN = -11,
GLUE_ERR_IF = -12,
GLUE_ERR_ABRT = -13,
GLUE_ERR_RST = -14,
GLUE_ERR_CLSD = -15,
GLUE_ERR_ARG = -16
} err_glue_t;
typedef enum
{
GLUE_NETIF_FLAG_BROADCAST = 1,
GLUE_NETIF_FLAG_UP = 2,
GLUE_NETIF_FLAG_ETHARP = 4,
GLUE_NETIF_FLAG_IGMP = 8,
GLUE_NETIF_FLAG_LINK_UP = 16,
} glue_netif_flags_t;
void esp2glue_lwip_init (void);
void esp2glue_espconn_init (void);
void esp2glue_dhcps_start (struct ip_info* info);
err_glue_t esp2glue_dhcp_start (int netif_idx);
void esp2glue_dhcp_stop (int netif_idx);
void esp2glue_netif_updated (int netif_idx, uint32_t ip, uint32_t mask, uint32_t gw, glue_netif_flags_t flags, size_t hwlen, const uint8_t* hw /*, void* state*/);
err_glue_t esp2glue_ethernet_input (int netif_idx, void* glue_pbuf);
void esp2glue_alloc_for_recv (size_t len, void** glue_pbuf, void** glue_data);
void esp2glue_pbuf_freed (void* ref_saved);
void esp2glue_netif_set_default (int netif_idx);
void esp2glue_netif_update (int netif_idx, uint32_t ip, uint32_t mask, uint32_t gw, size_t hwlen, const uint8_t* hwaddr, uint16_t mtu);
void esp2glue_netif_set_up1down0 (int netif_idx, int up1_or_down0);
void glue2esp_ifupdown (int netif_idx, uint32_t ip, uint32_t mask, uint32_t gw);
err_glue_t glue2esp_linkoutput (int netif_idx, void* ref2save, void* data, size_t size);
// fixed definitions from esp8266/arduino
// renamed with lwip_ to avoid name collision
// reference and credits: https://github.com/esp8266/Arduino/pull/6301
#ifndef __STRINGIFY
#define __STRINGIFY(a) #a
#endif
#define lwip_xt_rsil(level) (__extension__({uint32_t state; __asm__ __volatile__("rsil %0," __STRINGIFY(level) : "=a" (state) :: "memory"); state;}))
#define lwip_xt_wsr_ps(state) __asm__ __volatile__("wsr %0,ps; isync" :: "a" (state) : "memory")
#endif // GLUE_H