arduino-esp32/tools/sdk/include/lwip/lwip/netbuf.h
Me No Dev a59eafbc9d
Update IDF to aaf1239 (#1539)
* fix sdmmc config

* Fix warnings in EEPROM

from @Curclamas

* remove leftover TAG in EEPROM

* Initial add of @stickbreaker i2c

* Add log_n

* fix warnings when log is off

* i2c code clean up and reorganization

* add flags to interrupt allocator

* fix sdmmc config

* Fix warnings in EEPROM

from @Curclamas

* remove leftover TAG in EEPROM

* fix errors with latest IDF

* fix debug optimization (#1365)

incorrect optimization for debugging tick markers.

* Fix some missing BT header

* Change BTSerial log calls

* Update BLE lib

* Arduino-ESP32 release management scripted (#1515)

* Calculate an absolute path for a custom partitions table (#1452)

* * Arduino-ESP32 release management scripted
(ready-to-merge)

* * secure env for espressif/arduino-esp32

* * build tests enabled
* gitter webhook enabled

* * gitter room link fixed
* better comment

* * filepaths fixed

* BT Serial adjustments

* * don't run sketch builds & tests for tagged builds

* Return false from WiFi.hostByName() if hostname is not resolved

* Free BT Memory when BT is not used

* WIFI_MODE_NULL is not supported anymore

* Select some key examples to build with PlatformIO to save some time

* Update BLE lib

* Fixed BLE lib

* Major WiFi overhaul

- auto reconnect on connection loss now works
- moved to event groups
- some code clean up and procedure optimizations
- new methods to get a more elaborate system ststus

* Add cmake tests to travis

* Add initial AsyncUDP

* Add NetBIOS lib and fix CMake includes

* Add Initial WebServer

* Fix WebServer and examples

* travis not quiting on build fail

* Try different travis build

* Update IDF to aaf1239

* Fix WPS Example

* fix script permission and add some fail tests to sketch builder

* Add missing space in WiFiClient::write(Stream &stream)
2018-06-27 09:01:06 +02:00

113 lines
4.4 KiB
C

/*
* Copyright (c) 2001-2004 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: Adam Dunkels <adam@sics.se>
*
*/
#ifndef LWIP_HDR_NETBUF_H
#define LWIP_HDR_NETBUF_H
#include "lwip/opt.h"
#if LWIP_NETCONN || LWIP_SOCKET /* don't build if not configured for use in lwipopts.h */
/* Note: Netconn API is always available when sockets are enabled -
* sockets are implemented on top of them */
#include "lwip/pbuf.h"
#include "lwip/ip_addr.h"
#include "lwip/ip6_addr.h"
#ifdef __cplusplus
extern "C" {
#endif
/** This netbuf has dest-addr/port set */
#define NETBUF_FLAG_DESTADDR 0x01
/** This netbuf includes a checksum */
#define NETBUF_FLAG_CHKSUM 0x02
struct netbuf {
struct pbuf *p, *ptr;
ip_addr_t addr;
u16_t port;
#if LWIP_NETBUF_RECVINFO || LWIP_CHECKSUM_ON_COPY
#if LWIP_CHECKSUM_ON_COPY
u8_t flags;
#endif /* LWIP_CHECKSUM_ON_COPY */
u16_t toport_chksum;
#if LWIP_NETBUF_RECVINFO
ip_addr_t toaddr;
#endif /* LWIP_NETBUF_RECVINFO */
#endif /* LWIP_NETBUF_RECVINFO || LWIP_CHECKSUM_ON_COPY */
};
/* Network buffer functions: */
struct netbuf * netbuf_new (void);
void netbuf_delete (struct netbuf *buf);
void * netbuf_alloc (struct netbuf *buf, u16_t size);
void netbuf_free (struct netbuf *buf);
err_t netbuf_ref (struct netbuf *buf,
const void *dataptr, u16_t size);
void netbuf_chain (struct netbuf *head, struct netbuf *tail);
err_t netbuf_data (struct netbuf *buf,
void **dataptr, u16_t *len);
s8_t netbuf_next (struct netbuf *buf);
void netbuf_first (struct netbuf *buf);
#define netbuf_copy_partial(buf, dataptr, len, offset) \
pbuf_copy_partial((buf)->p, (dataptr), (len), (offset))
#define netbuf_copy(buf,dataptr,len) netbuf_copy_partial(buf, dataptr, len, 0)
#define netbuf_take(buf, dataptr, len) pbuf_take((buf)->p, dataptr, len)
#define netbuf_len(buf) ((buf)->p->tot_len)
#define netbuf_fromaddr(buf) (&((buf)->addr))
#define netbuf_set_fromaddr(buf, fromaddr) ip_addr_set(&((buf)->addr), fromaddr)
#define netbuf_fromport(buf) ((buf)->port)
#if LWIP_NETBUF_RECVINFO
#define netbuf_destaddr(buf) (&((buf)->toaddr))
#define netbuf_set_destaddr(buf, destaddr) ip_addr_set(&((buf)->toaddr), destaddr)
#if LWIP_CHECKSUM_ON_COPY
#define netbuf_destport(buf) (((buf)->flags & NETBUF_FLAG_DESTADDR) ? (buf)->toport_chksum : 0)
#else /* LWIP_CHECKSUM_ON_COPY */
#define netbuf_destport(buf) ((buf)->toport_chksum)
#endif /* LWIP_CHECKSUM_ON_COPY */
#endif /* LWIP_NETBUF_RECVINFO */
#if LWIP_CHECKSUM_ON_COPY
#define netbuf_set_chksum(buf, chksum) do { (buf)->flags = NETBUF_FLAG_CHKSUM; \
(buf)->toport_chksum = chksum; } while(0)
#endif /* LWIP_CHECKSUM_ON_COPY */
#ifdef __cplusplus
}
#endif
#endif /* LWIP_NETCONN || LWIP_SOCKET */
#endif /* LWIP_HDR_NETBUF_H */