feedc0de/arduino-esp32
1
0
Fork 0
forked from espressif/arduino-esp32
Code Pull Requests Activity

initial import

Browse Source
This commit is contained in:
me-no-dev
2016-10-06 14:21:30 +03:00
committed by Ivan Grokhotkov
parent 668acc2c08
commit 5f3a205955
657 changed files with 170176 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

260
tools/sdk/include/lwip/lwip/priv/api_msg.h Executable file
View File

@ -0,0 +1,260 @@
/*
* 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_API_MSG_H
#define LWIP_HDR_API_MSG_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 <stddef.h> /* for size_t */
#include "lwip/ip_addr.h"
#include "lwip/err.h"
#include "lwip/sys.h"
#include "lwip/igmp.h"
#include "lwip/api.h"
#ifdef __cplusplus
extern "C" {
#endif
#if LWIP_MPU_COMPATIBLE
#define API_MSG_M_DEF(m) m
#define API_MSG_M_DEF_C(t, m) t m
#if LWIP_NETCONN_SEM_PER_THREAD
#define API_MSG_M_DEF_SEM(m) *m
#else
#define API_MSG_M_DEF_SEM(m) API_MSG_M_DEF(m)
#endif
#else /* LWIP_MPU_COMPATIBLE */
#define API_MSG_M_DEF(m) *m
#define API_MSG_M_DEF_C(t, m) const t * m
#define API_MSG_M_DEF_SEM(m) API_MSG_M_DEF(m)
#endif /* LWIP_MPU_COMPATIBLE */
/* For the netconn API, these values are use as a bitmask! */
#define NETCONN_SHUT_RD 1
#define NETCONN_SHUT_WR 2
#define NETCONN_SHUT_RDWR (NETCONN_SHUT_RD | NETCONN_SHUT_WR)
/* IP addresses and port numbers are expected to be in
* the same byte order as in the corresponding pcb.
*/
/** This struct includes everything that is necessary to execute a function
for a netconn in another thread context (mainly used to process netconns
in the tcpip_thread context to be thread safe). */
struct api_msg_msg {
/** The netconn which to process - always needed: it includes the semaphore
which is used to block the application thread until the function finished. */
struct netconn *conn;
/** The return value of the function executed in tcpip_thread. */
err_t err;
/** Depending on the executed function, one of these union members is used */
union {
/** used for lwip_netconn_do_send */
struct netbuf *b;
/** used for lwip_netconn_do_newconn */
struct {
u8_t proto;
} n;
/** used for lwip_netconn_do_bind and lwip_netconn_do_connect */
struct {
API_MSG_M_DEF_C(ip_addr_t, ipaddr);
u16_t port;
} bc;
/** used for lwip_netconn_do_getaddr */
struct {
ip_addr_t API_MSG_M_DEF(ipaddr);
u16_t API_MSG_M_DEF(port);
u8_t local;
} ad;
/** used for lwip_netconn_do_write */
struct {
const void *dataptr;
size_t len;
u8_t apiflags;
#if LWIP_SO_SNDTIMEO
u32_t time_started;
#endif /* LWIP_SO_SNDTIMEO */
} w;
/** used for lwip_netconn_do_recv */
struct {
u32_t len;
} r;
#if LWIP_TCP
/** used for lwip_netconn_do_close (/shutdown) */
struct {
u8_t shut;
#if LWIP_SO_SNDTIMEO || LWIP_SO_LINGER
u32_t time_started;
#else /* LWIP_SO_SNDTIMEO || LWIP_SO_LINGER */
u8_t polls_left;
#endif /* LWIP_SO_SNDTIMEO || LWIP_SO_LINGER */
} sd;
#endif /* LWIP_TCP */
#if LWIP_IGMP || (LWIP_IPV6 && LWIP_IPV6_MLD)
/** used for lwip_netconn_do_join_leave_group */
struct {
API_MSG_M_DEF_C(ip_addr_t, multiaddr);
API_MSG_M_DEF_C(ip_addr_t, netif_addr);
enum netconn_igmp join_or_leave;
} jl;
#endif /* LWIP_IGMP || (LWIP_IPV6 && LWIP_IPV6_MLD) */
#if TCP_LISTEN_BACKLOG
struct {
u8_t backlog;
} lb;
#endif /* TCP_LISTEN_BACKLOG */
} msg;
#if LWIP_NETCONN_SEM_PER_THREAD
sys_sem_t* op_completed_sem;
#endif /* LWIP_NETCONN_SEM_PER_THREAD */
};
#if LWIP_NETCONN_SEM_PER_THREAD
#define LWIP_API_MSG_SEM(msg) ((msg)->op_completed_sem)
#else /* LWIP_NETCONN_SEM_PER_THREAD */
#define LWIP_API_MSG_SEM(msg) (&(msg)->conn->op_completed)
#endif /* LWIP_NETCONN_SEM_PER_THREAD */
/** This struct contains a function to execute in another thread context and
a struct api_msg_msg that serves as an argument for this function.
This is passed to tcpip_apimsg to execute functions in tcpip_thread context. */
struct api_msg {
/** function to execute in tcpip_thread context */
void (* function)(void *msg);
/** arguments for this function */
struct api_msg_msg msg;
};
#if LWIP_DNS
/** As lwip_netconn_do_gethostbyname requires more arguments but doesn't require a netconn,
it has its own struct (to avoid struct api_msg getting bigger than necessary).
lwip_netconn_do_gethostbyname must be called using tcpip_callback instead of tcpip_apimsg
(see netconn_gethostbyname). */
struct dns_api_msg {
/** Hostname to query or dotted IP address string */
#if LWIP_MPU_COMPATIBLE
char name[DNS_MAX_NAME_LENGTH];
#else /* LWIP_MPU_COMPATIBLE */
const char *name;
#endif /* LWIP_MPU_COMPATIBLE */
/** The resolved address is stored here */
ip_addr_t API_MSG_M_DEF(addr);
#if LWIP_IPV4 && LWIP_IPV6
/** Type of resolve call */
u8_t dns_addrtype;
#endif /* LWIP_IPV4 && LWIP_IPV6 */
/** This semaphore is posted when the name is resolved, the application thread
should wait on it. */
sys_sem_t API_MSG_M_DEF_SEM(sem);
/** Errors are given back here */
err_t API_MSG_M_DEF(err);
};
#endif /* LWIP_DNS */
#if LWIP_NETCONN_SEM_PER_THREAD
#ifdef LWIP_ESP8266
#define LWIP_NETCONN_THREAD_SEM_GET() sys_thread_sem_get()
#define LWIP_NETCONN_THREAD_SEM_ALLOC() sys_thread_sem_init()
#define LWIP_NETCONN_THREAD_SEM_FREE() sys_thread_sem_deinit()
#endif
#endif
#if LWIP_TCPIP_CORE_LOCKING
#ifdef LWIP_DEBUG
#define TCIP_APIMSG_SET_ERR(m, e) (m)->msg.err = e /* catch functions that don't set err */
#else
#define TCIP_APIMSG_SET_ERR(m, e)
#endif
#if LWIP_NETCONN_SEM_PER_THREAD
#define TCPIP_APIMSG_SET_SEM(m) ((m)->msg.op_completed_sem = LWIP_NETCONN_THREAD_SEM_GET())
#else
#define TCPIP_APIMSG_SET_SEM(m)
#endif
#define TCPIP_APIMSG_NOERR(m,f) do { \
TCIP_APIMSG_SET_ERR(m, ERR_VAL); \
TCPIP_APIMSG_SET_SEM(m); \
LOCK_TCPIP_CORE(); \
f(&((m)->msg)); \
UNLOCK_TCPIP_CORE(); \
} while(0)
#define TCPIP_APIMSG(m,f,e) do { \
TCPIP_APIMSG_NOERR(m,f); \
(e) = (m)->msg.err; \
} while(0)
#define TCPIP_APIMSG_ACK(m) NETCONN_SET_SAFE_ERR((m)->conn, (m)->err)
#else /* LWIP_TCPIP_CORE_LOCKING */
#define TCPIP_APIMSG_NOERR(m,f) do { (m)->function = f; tcpip_apimsg(m); } while(0)
#define TCPIP_APIMSG(m,f,e) do { (m)->function = f; (e) = tcpip_apimsg(m); } while(0)
#define TCPIP_APIMSG_ACK(m) do { NETCONN_SET_SAFE_ERR((m)->conn, (m)->err); sys_sem_signal(LWIP_API_MSG_SEM(m)); } while(0)
#ifdef LWIP_ESP8266
#define TCPIP_APIMSG_ACK_SND(m) do { NETCONN_SET_SAFE_ERR((m)->conn, (m)->err); sys_sem_signal(LWIP_API_MSG_SND_SEM(m)); } while(0)
#endif
#endif /* LWIP_TCPIP_CORE_LOCKING */
void lwip_netconn_do_newconn (void *m);
void lwip_netconn_do_delconn (void *m);
void lwip_netconn_do_bind (void *m);
void lwip_netconn_do_connect (void *m);
void lwip_netconn_do_disconnect (void *m);
void lwip_netconn_do_listen (void *m);
void lwip_netconn_do_send (void *m);
void lwip_netconn_do_recv (void *m);
void lwip_netconn_do_write (void *m);
void lwip_netconn_do_getaddr (void *m);
void lwip_netconn_do_close (void *m);
void lwip_netconn_do_shutdown (void *m);
#if LWIP_IGMP || (LWIP_IPV6 && LWIP_IPV6_MLD)
void lwip_netconn_do_join_leave_group(void *m);
#endif /* LWIP_IGMP || (LWIP_IPV6 && LWIP_IPV6_MLD) */
#if LWIP_DNS
void lwip_netconn_do_gethostbyname(void *arg);
#endif /* LWIP_DNS */
struct netconn* netconn_alloc(enum netconn_type t, netconn_callback callback);
void netconn_free(struct netconn *conn);
#ifdef __cplusplus
}
#endif
#endif /* LWIP_NETCONN || LWIP_SOCKET */
#endif /* LWIP_HDR_API_MSG_H */

163
tools/sdk/include/lwip/lwip/priv/memp_priv.h Executable file
View File

@ -0,0 +1,163 @@
/*
* 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_MEMP_PRIV_H
#define LWIP_HDR_MEMP_PRIV_H
#include "lwip/opt.h"
#ifdef __cplusplus
extern "C" {
#endif
#include "lwip/mem.h"
#if MEMP_OVERFLOW_CHECK
/* if MEMP_OVERFLOW_CHECK is turned on, we reserve some bytes at the beginning
* and at the end of each element, initialize them as 0xcd and check
* them later. */
/* If MEMP_OVERFLOW_CHECK is >= 2, on every call to memp_malloc or memp_free,
* every single element in each pool is checked!
* This is VERY SLOW but also very helpful. */
/* MEMP_SANITY_REGION_BEFORE and MEMP_SANITY_REGION_AFTER can be overridden in
* lwipopts.h to change the amount reserved for checking. */
#ifndef MEMP_SANITY_REGION_BEFORE
#define MEMP_SANITY_REGION_BEFORE 16
#endif /* MEMP_SANITY_REGION_BEFORE*/
#if MEMP_SANITY_REGION_BEFORE > 0
#define MEMP_SANITY_REGION_BEFORE_ALIGNED LWIP_MEM_ALIGN_SIZE(MEMP_SANITY_REGION_BEFORE)
#else
#define MEMP_SANITY_REGION_BEFORE_ALIGNED 0
#endif /* MEMP_SANITY_REGION_BEFORE*/
#ifndef MEMP_SANITY_REGION_AFTER
#define MEMP_SANITY_REGION_AFTER 16
#endif /* MEMP_SANITY_REGION_AFTER*/
#if MEMP_SANITY_REGION_AFTER > 0
#define MEMP_SANITY_REGION_AFTER_ALIGNED LWIP_MEM_ALIGN_SIZE(MEMP_SANITY_REGION_AFTER)
#else
#define MEMP_SANITY_REGION_AFTER_ALIGNED 0
#endif /* MEMP_SANITY_REGION_AFTER*/
/* MEMP_SIZE: save space for struct memp and for sanity check */
#define MEMP_SIZE (LWIP_MEM_ALIGN_SIZE(sizeof(struct memp)) + MEMP_SANITY_REGION_BEFORE_ALIGNED)
#define MEMP_ALIGN_SIZE(x) (LWIP_MEM_ALIGN_SIZE(x) + MEMP_SANITY_REGION_AFTER_ALIGNED)
#else /* MEMP_OVERFLOW_CHECK */
/* No sanity checks
* We don't need to preserve the struct memp while not allocated, so we
* can save a little space and set MEMP_SIZE to 0.
*/
#define MEMP_SIZE 0
#define MEMP_ALIGN_SIZE(x) (LWIP_MEM_ALIGN_SIZE(x))
#endif /* MEMP_OVERFLOW_CHECK */
struct memp {
struct memp *next;
#if MEMP_OVERFLOW_CHECK
const char *file;
int line;
#endif /* MEMP_OVERFLOW_CHECK */
};
#if MEM_USE_POOLS
/* Use a helper type to get the start and end of the user "memory pools" for mem_malloc */
typedef enum {
/* Get the first (via:
MEMP_POOL_HELPER_START = ((u8_t) 1*MEMP_POOL_A + 0*MEMP_POOL_B + 0*MEMP_POOL_C + 0)*/
MEMP_POOL_HELPER_FIRST = ((u8_t)
#define LWIP_MEMPOOL(name,num,size,desc)
#define LWIP_MALLOC_MEMPOOL_START 1
#define LWIP_MALLOC_MEMPOOL(num, size) * MEMP_POOL_##size + 0
#define LWIP_MALLOC_MEMPOOL_END
#include "lwip/priv/memp_std.h"
) ,
/* Get the last (via:
MEMP_POOL_HELPER_END = ((u8_t) 0 + MEMP_POOL_A*0 + MEMP_POOL_B*0 + MEMP_POOL_C*1) */
MEMP_POOL_HELPER_LAST = ((u8_t)
#define LWIP_MEMPOOL(name,num,size,desc)
#define LWIP_MALLOC_MEMPOOL_START
#define LWIP_MALLOC_MEMPOOL(num, size) 0 + MEMP_POOL_##size *
#define LWIP_MALLOC_MEMPOOL_END 1
#include "lwip/priv/memp_std.h"
)
} memp_pool_helper_t;
/* The actual start and stop values are here (cast them over)
We use this helper type and these defines so we can avoid using const memp_t values */
#define MEMP_POOL_FIRST ((memp_t) MEMP_POOL_HELPER_FIRST)
#define MEMP_POOL_LAST ((memp_t) MEMP_POOL_HELPER_LAST)
#endif /* MEM_USE_POOLS */
struct memp_desc {
/** Element size */
u16_t size;
#if !MEMP_MEM_MALLOC
/** Number of elements */
u16_t num;
#if defined(LWIP_DEBUG) || MEMP_OVERFLOW_CHECK
/** Textual description */
const char *desc;
#endif /* LWIP_DEBUG || MEMP_OVERFLOW_CHECK */
/** Base */
u8_t *base;
/** First free element of each pool. Elements form a linked list. */
struct memp **tab;
#endif /* MEMP_MEM_MALLOC */
};
#ifdef LWIP_DEBUG
#define DECLARE_LWIP_MEMPOOL_DESC(desc) (desc),
#else
#define DECLARE_LWIP_MEMPOOL_DESC(desc)
#endif
void memp_init_pool(const struct memp_desc *desc);
#if MEMP_OVERFLOW_CHECK
void *memp_malloc_pool_fn(const struct memp_desc* desc, const char* file, const int line);
#define memp_malloc_pool(d) memp_malloc_pool_fn((d), __FILE__, __LINE__)
#else
void *memp_malloc_pool(const struct memp_desc *desc);
#endif
void memp_free_pool(const struct memp_desc* desc, void *mem);
#ifdef __cplusplus
}
#endif
#endif /* LWIP_HDR_MEMP_PRIV_H */

151
tools/sdk/include/lwip/lwip/priv/memp_std.h Executable file
View File

@ -0,0 +1,151 @@
/*
* SETUP: Make sure we define everything we will need.
*
* We have create three types of pools:
* 1) MEMPOOL - standard pools
* 2) MALLOC_MEMPOOL - to be used by mem_malloc in mem.c
* 3) PBUF_MEMPOOL - a mempool of pbuf's, so include space for the pbuf struct
*
* If the include'r doesn't require any special treatment of each of the types
* above, then will declare #2 & #3 to be just standard mempools.
*/
#ifndef LWIP_MALLOC_MEMPOOL
/* This treats "malloc pools" just like any other pool.
The pools are a little bigger to provide 'size' as the amount of user data. */
#define LWIP_MALLOC_MEMPOOL(num, size) LWIP_MEMPOOL(POOL_##size, num, (size + LWIP_MEM_ALIGN_SIZE(sizeof(struct memp_malloc_helper))), "MALLOC_"#size)
#define LWIP_MALLOC_MEMPOOL_START
#define LWIP_MALLOC_MEMPOOL_END
#endif /* LWIP_MALLOC_MEMPOOL */
#ifndef LWIP_PBUF_MEMPOOL
/* This treats "pbuf pools" just like any other pool.
* Allocates buffers for a pbuf struct AND a payload size */
#define LWIP_PBUF_MEMPOOL(name, num, payload, desc) LWIP_MEMPOOL(name, num, (MEMP_ALIGN_SIZE(sizeof(struct pbuf)) + MEMP_ALIGN_SIZE(payload)), desc)
#endif /* LWIP_PBUF_MEMPOOL */
/*
* A list of internal pools used by LWIP.
*
* LWIP_MEMPOOL(pool_name, number_elements, element_size, pool_description)
* creates a pool name MEMP_pool_name. description is used in stats.c
*/
#if LWIP_RAW
LWIP_MEMPOOL(RAW_PCB, MEMP_NUM_RAW_PCB, sizeof(struct raw_pcb), "RAW_PCB")
#endif /* LWIP_RAW */
#if LWIP_UDP
LWIP_MEMPOOL(UDP_PCB, MEMP_NUM_UDP_PCB, sizeof(struct udp_pcb), "UDP_PCB")
#endif /* LWIP_UDP */
#if LWIP_TCP
LWIP_MEMPOOL(TCP_PCB, MEMP_NUM_TCP_PCB, sizeof(struct tcp_pcb), "TCP_PCB")
LWIP_MEMPOOL(TCP_PCB_LISTEN, MEMP_NUM_TCP_PCB_LISTEN, sizeof(struct tcp_pcb_listen), "TCP_PCB_LISTEN")
LWIP_MEMPOOL(TCP_SEG, MEMP_NUM_TCP_SEG, sizeof(struct tcp_seg), "TCP_SEG")
#endif /* LWIP_TCP */
#if LWIP_IPV4 && IP_REASSEMBLY
LWIP_MEMPOOL(REASSDATA, MEMP_NUM_REASSDATA, sizeof(struct ip_reassdata), "REASSDATA")
#endif /* LWIP_IPV4 && IP_REASSEMBLY */
#if (IP_FRAG && !IP_FRAG_USES_STATIC_BUF && !LWIP_NETIF_TX_SINGLE_PBUF) || (LWIP_IPV6 && LWIP_IPV6_FRAG)
LWIP_MEMPOOL(FRAG_PBUF, MEMP_NUM_FRAG_PBUF, sizeof(struct pbuf_custom_ref),"FRAG_PBUF")
#endif /* IP_FRAG && !IP_FRAG_USES_STATIC_BUF && !LWIP_NETIF_TX_SINGLE_PBUF */
#if LWIP_NETCONN || LWIP_SOCKET
LWIP_MEMPOOL(NETBUF, MEMP_NUM_NETBUF, sizeof(struct netbuf), "NETBUF")
LWIP_MEMPOOL(NETCONN, MEMP_NUM_NETCONN, sizeof(struct netconn), "NETCONN")
#endif /* LWIP_NETCONN || LWIP_SOCKET */
#if NO_SYS==0
LWIP_MEMPOOL(TCPIP_MSG_API, MEMP_NUM_TCPIP_MSG_API, sizeof(struct tcpip_msg), "TCPIP_MSG_API")
#if LWIP_MPU_COMPATIBLE
LWIP_MEMPOOL(API_MSG, MEMP_NUM_API_MSG, sizeof(struct api_msg), "API_MSG")
#if LWIP_DNS
LWIP_MEMPOOL(DNS_API_MSG, MEMP_NUM_DNS_API_MSG, sizeof(struct dns_api_msg), "DNS_API_MSG")
#endif
#if LWIP_SOCKET && !LWIP_TCPIP_CORE_LOCKING
LWIP_MEMPOOL(SOCKET_SETGETSOCKOPT_DATA, MEMP_NUM_SOCKET_SETGETSOCKOPT_DATA, sizeof(struct lwip_setgetsockopt_data), "SOCKET_SETGETSOCKOPT_DATA")
#endif
#if LWIP_NETIF_API
LWIP_MEMPOOL(NETIFAPI_MSG, MEMP_NUM_NETIFAPI_MSG, sizeof(struct netifapi_msg), "NETIFAPI_MSG")
#endif
#endif /* LWIP_MPU_COMPATIBLE */
#if !LWIP_TCPIP_CORE_LOCKING_INPUT
LWIP_MEMPOOL(TCPIP_MSG_INPKT,MEMP_NUM_TCPIP_MSG_INPKT, sizeof(struct tcpip_msg), "TCPIP_MSG_INPKT")
#endif /* !LWIP_TCPIP_CORE_LOCKING_INPUT */
#endif /* NO_SYS==0 */
#if LWIP_IPV4 && LWIP_ARP && ARP_QUEUEING
LWIP_MEMPOOL(ARP_QUEUE, MEMP_NUM_ARP_QUEUE, sizeof(struct etharp_q_entry), "ARP_QUEUE")
#endif /* LWIP_IPV4 && LWIP_ARP && ARP_QUEUEING */
#if LWIP_IGMP
LWIP_MEMPOOL(IGMP_GROUP, MEMP_NUM_IGMP_GROUP, sizeof(struct igmp_group), "IGMP_GROUP")
#endif /* LWIP_IGMP */
#if (!NO_SYS || (NO_SYS && !NO_SYS_NO_TIMERS)) /* LWIP_TIMERS */
LWIP_MEMPOOL(SYS_TIMEOUT, MEMP_NUM_SYS_TIMEOUT, sizeof(struct sys_timeo), "SYS_TIMEOUT")
#endif /* LWIP_TIMERS */
#if LWIP_DNS && LWIP_SOCKET
LWIP_MEMPOOL(NETDB, MEMP_NUM_NETDB, NETDB_ELEM_SIZE, "NETDB")
#endif /* LWIP_DNS && LWIP_SOCKET */
#if LWIP_DNS && DNS_LOCAL_HOSTLIST && DNS_LOCAL_HOSTLIST_IS_DYNAMIC
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 */
#if LWIP_IPV6 && LWIP_IPV6_REASS
LWIP_MEMPOOL(IP6_REASSDATA, MEMP_NUM_REASSDATA, sizeof(struct ip6_reassdata), "IP6_REASSDATA")
#endif /* LWIP_IPV6 && LWIP_IPV6_REASS */
#if LWIP_IPV6 && LWIP_IPV6_MLD
LWIP_MEMPOOL(MLD6_GROUP, MEMP_NUM_MLD6_GROUP, sizeof(struct mld_group), "MLD6_GROUP")
#endif /* LWIP_IPV6 && LWIP_IPV6_MLD */
/*
* A list of pools of pbuf's used by LWIP.
*
* LWIP_PBUF_MEMPOOL(pool_name, number_elements, pbuf_payload_size, pool_description)
* creates a pool name MEMP_pool_name. description is used in stats.c
* This allocates enough space for the pbuf struct and a payload.
* (Example: pbuf_payload_size=0 allocates only size for the struct)
*/
LWIP_PBUF_MEMPOOL(PBUF, MEMP_NUM_PBUF, 0, "PBUF_REF/ROM")
LWIP_PBUF_MEMPOOL(PBUF_POOL, PBUF_POOL_SIZE, PBUF_POOL_BUFSIZE, "PBUF_POOL")
/*
* Allow for user-defined pools; this must be explicitly set in lwipopts.h
* since the default is to NOT look for lwippools.h
*/
#if MEMP_USE_CUSTOM_POOLS
#include "lwippools.h"
#endif /* MEMP_USE_CUSTOM_POOLS */
/*
* REQUIRED CLEANUP: Clear up so we don't get "multiply defined" error later
* (#undef is ignored for something that is not defined)
*/
#undef LWIP_MEMPOOL
#undef LWIP_MALLOC_MEMPOOL
#undef LWIP_MALLOC_MEMPOOL_START
#undef LWIP_MALLOC_MEMPOOL_END
#undef LWIP_PBUF_MEMPOOL

545
tools/sdk/include/lwip/lwip/priv/tcp_priv.h Executable file
View File

@ -0,0 +1,545 @@
/*
* 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_TCP_IMPL_H
#define LWIP_HDR_TCP_IMPL_H
#include "lwip/opt.h"
#if LWIP_TCP /* don't build if not configured for use in lwipopts.h */
#include "lwip/tcp.h"
#include "lwip/mem.h"
#include "lwip/pbuf.h"
#include "lwip/ip.h"
#include "lwip/icmp.h"
#include "lwip/err.h"
#include "lwip/ip6.h"
#include "lwip/ip6_addr.h"
#ifdef __cplusplus
extern "C" {
#endif
/* Functions for interfacing with TCP: */
/* Lower layer interface to TCP: */
void tcp_init (void); /* Initialize this module. */
void tcp_tmr (void); /* Must be called every
TCP_TMR_INTERVAL
ms. (Typically 250 ms). */
/* It is also possible to call these two functions at the right
intervals (instead of calling tcp_tmr()). */
void tcp_slowtmr (void);
void tcp_fasttmr (void);
/* Call this from a netif driver (watch out for threading issues!) that has
returned a memory error on transmit and now has free buffers to send more.
This iterates all active pcbs that had an error and tries to call
tcp_output, so use this with care as it might slow down the system. */
void tcp_txnow (void);
/* Only used by IP to pass a TCP segment to TCP: */
void tcp_input (struct pbuf *p, struct netif *inp);
/* Used within the TCP code only: */
struct tcp_pcb * tcp_alloc (u8_t prio);
void tcp_abandon (struct tcp_pcb *pcb, int reset);
err_t tcp_send_empty_ack(struct tcp_pcb *pcb);
void tcp_rexmit (struct tcp_pcb *pcb);
void tcp_rexmit_rto (struct tcp_pcb *pcb);
void tcp_rexmit_fast (struct tcp_pcb *pcb);
u32_t tcp_update_rcv_ann_wnd(struct tcp_pcb *pcb);
err_t tcp_process_refused_data(struct tcp_pcb *pcb);
/**
* This is the Nagle algorithm: try to combine user data to send as few TCP
* segments as possible. Only send if
* - no previously transmitted data on the connection remains unacknowledged or
* - the TF_NODELAY flag is set (nagle algorithm turned off for this pcb) or
* - the only unsent segment is at least pcb->mss bytes long (or there is more
* than one unsent segment - with lwIP, this can happen although unsent->len < mss)
* - or if we are in fast-retransmit (TF_INFR)
*/
#define tcp_do_output_nagle(tpcb) ((((tpcb)->unacked == NULL) || \
((tpcb)->flags & (TF_NODELAY | TF_INFR)) || \
(((tpcb)->unsent != NULL) && (((tpcb)->unsent->next != NULL) || \
((tpcb)->unsent->len >= (tpcb)->mss))) || \
((tcp_sndbuf(tpcb) == 0) || (tcp_sndqueuelen(tpcb) >= TCP_SND_QUEUELEN)) \
) ? 1 : 0)
#define tcp_output_nagle(tpcb) (tcp_do_output_nagle(tpcb) ? tcp_output(tpcb) : ERR_OK)
#define TCP_SEQ_LT(a,b) ((s32_t)((u32_t)(a) - (u32_t)(b)) < 0)
#define TCP_SEQ_LEQ(a,b) ((s32_t)((u32_t)(a) - (u32_t)(b)) <= 0)
#define TCP_SEQ_GT(a,b) ((s32_t)((u32_t)(a) - (u32_t)(b)) > 0)
#define TCP_SEQ_GEQ(a,b) ((s32_t)((u32_t)(a) - (u32_t)(b)) >= 0)
/* is b<=a<=c? */
#if 0 /* see bug #10548 */
#define TCP_SEQ_BETWEEN(a,b,c) ((c)-(b) >= (a)-(b))
#endif
#define TCP_SEQ_BETWEEN(a,b,c) (TCP_SEQ_GEQ(a,b) && TCP_SEQ_LEQ(a,c))
#define TCP_FIN 0x01U
#define TCP_SYN 0x02U
#define TCP_RST 0x04U
#define TCP_PSH 0x08U
#define TCP_ACK 0x10U
#define TCP_URG 0x20U
#define TCP_ECE 0x40U
#define TCP_CWR 0x80U
#define TCP_FLAGS 0x3fU
/* Length of the TCP header, excluding options. */
#define TCP_HLEN 20
#ifndef TCP_TMR_INTERVAL
#define TCP_TMR_INTERVAL 250 /* The TCP timer interval in milliseconds. */
#endif /* TCP_TMR_INTERVAL */
#ifndef TCP_FAST_INTERVAL
#define TCP_FAST_INTERVAL TCP_TMR_INTERVAL /* the fine grained timeout in milliseconds */
#endif /* TCP_FAST_INTERVAL */
#ifndef TCP_SLOW_INTERVAL
#define TCP_SLOW_INTERVAL (2*TCP_TMR_INTERVAL) /* the coarse grained timeout in milliseconds */
#endif /* TCP_SLOW_INTERVAL */
#define TCP_FIN_WAIT_TIMEOUT 20000 /* milliseconds */
#define TCP_SYN_RCVD_TIMEOUT 20000 /* milliseconds */
#define TCP_OOSEQ_TIMEOUT 6U /* x RTO */
#ifndef TCP_MSL
#define TCP_MSL 60000UL /* The maximum segment lifetime in milliseconds */
#endif
/* Keepalive values, compliant with RFC 1122. Don't change this unless you know what you're doing */
#ifndef TCP_KEEPIDLE_DEFAULT
#define TCP_KEEPIDLE_DEFAULT 7200000UL /* Default KEEPALIVE timer in milliseconds */
#endif
#ifndef TCP_KEEPINTVL_DEFAULT
#define TCP_KEEPINTVL_DEFAULT 75000UL /* Default Time between KEEPALIVE probes in milliseconds */
#endif
#ifndef TCP_KEEPCNT_DEFAULT
#define TCP_KEEPCNT_DEFAULT 9U /* Default Counter for KEEPALIVE probes */
#endif
#define TCP_MAXIDLE TCP_KEEPCNT_DEFAULT * TCP_KEEPINTVL_DEFAULT /* Maximum KEEPALIVE probe time */
/* Fields are (of course) in network byte order.
* Some fields are converted to host byte order in tcp_input().
*/
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
PACK_STRUCT_BEGIN
struct tcp_hdr {
PACK_STRUCT_FIELD(u16_t src);
PACK_STRUCT_FIELD(u16_t dest);
PACK_STRUCT_FIELD(u32_t seqno);
PACK_STRUCT_FIELD(u32_t ackno);
PACK_STRUCT_FIELD(u16_t _hdrlen_rsvd_flags);
PACK_STRUCT_FIELD(u16_t wnd);
PACK_STRUCT_FIELD(u16_t chksum);
PACK_STRUCT_FIELD(u16_t urgp);
} PACK_STRUCT_STRUCT;
PACK_STRUCT_END
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/epstruct.h"
#endif
#define TCPH_HDRLEN(phdr) (ntohs((phdr)->_hdrlen_rsvd_flags) >> 12)
#define TCPH_FLAGS(phdr) (ntohs((phdr)->_hdrlen_rsvd_flags) & TCP_FLAGS)
#define TCPH_HDRLEN_SET(phdr, len) (phdr)->_hdrlen_rsvd_flags = htons(((len) << 12) | TCPH_FLAGS(phdr))
#define TCPH_FLAGS_SET(phdr, flags) (phdr)->_hdrlen_rsvd_flags = (((phdr)->_hdrlen_rsvd_flags & PP_HTONS(~TCP_FLAGS)) | htons(flags))
#define TCPH_HDRLEN_FLAGS_SET(phdr, len, flags) (phdr)->_hdrlen_rsvd_flags = htons(((len) << 12) | (flags))
#define TCPH_SET_FLAG(phdr, flags ) (phdr)->_hdrlen_rsvd_flags = ((phdr)->_hdrlen_rsvd_flags | htons(flags))
#define TCPH_UNSET_FLAG(phdr, flags) (phdr)->_hdrlen_rsvd_flags = ((phdr)->_hdrlen_rsvd_flags & ~htons(flags))
#define TCP_TCPLEN(seg) ((seg)->len + (((TCPH_FLAGS((seg)->tcphdr) & (TCP_FIN | TCP_SYN)) != 0) ? 1U : 0U))
/** Flags used on input processing, not on pcb->flags
*/
#define TF_RESET (u8_t)0x08U /* Connection was reset. */
#define TF_CLOSED (u8_t)0x10U /* Connection was successfully closed. */
#define TF_GOT_FIN (u8_t)0x20U /* Connection was closed by the remote end. */
#if LWIP_EVENT_API
#define TCP_EVENT_ACCEPT(pcb,err,ret) ret = lwip_tcp_event((pcb)->callback_arg, (pcb),\
LWIP_EVENT_ACCEPT, NULL, 0, err)
#define TCP_EVENT_SENT(pcb,space,ret) ret = lwip_tcp_event((pcb)->callback_arg, (pcb),\
LWIP_EVENT_SENT, NULL, space, ERR_OK)
#define TCP_EVENT_RECV(pcb,p,err,ret) ret = lwip_tcp_event((pcb)->callback_arg, (pcb),\
LWIP_EVENT_RECV, (p), 0, (err))
#define TCP_EVENT_CLOSED(pcb,ret) ret = lwip_tcp_event((pcb)->callback_arg, (pcb),\
LWIP_EVENT_RECV, NULL, 0, ERR_OK)
#define TCP_EVENT_CONNECTED(pcb,err,ret) ret = lwip_tcp_event((pcb)->callback_arg, (pcb),\
LWIP_EVENT_CONNECTED, NULL, 0, (err))
#define TCP_EVENT_POLL(pcb,ret) ret = lwip_tcp_event((pcb)->callback_arg, (pcb),\
LWIP_EVENT_POLL, NULL, 0, ERR_OK)
#define TCP_EVENT_ERR(errf,arg,err) lwip_tcp_event((arg), NULL, \
LWIP_EVENT_ERR, NULL, 0, (err))
#else /* LWIP_EVENT_API */
#define TCP_EVENT_ACCEPT(pcb,err,ret) \
do { \
if((pcb)->accept != NULL) \
(ret) = (pcb)->accept((pcb)->callback_arg,(pcb),(err)); \
else (ret) = ERR_ARG; \
} while (0)
#define TCP_EVENT_SENT(pcb,space,ret) \
do { \
if((pcb)->sent != NULL) \
(ret) = (pcb)->sent((pcb)->callback_arg,(pcb),(space)); \
else (ret) = ERR_OK; \
} while (0)
#define TCP_EVENT_RECV(pcb,p,err,ret) \
do { \
if((pcb)->recv != NULL) { \
(ret) = (pcb)->recv((pcb)->callback_arg,(pcb),(p),(err));\
} else { \
(ret) = tcp_recv_null(NULL, (pcb), (p), (err)); \
} \
} while (0)
#define TCP_EVENT_CLOSED(pcb,ret) \
do { \
if(((pcb)->recv != NULL)) { \
(ret) = (pcb)->recv((pcb)->callback_arg,(pcb),NULL,ERR_OK);\
} else { \
(ret) = ERR_OK; \
} \
} while (0)
#define TCP_EVENT_CONNECTED(pcb,err,ret) \
do { \
if((pcb)->connected != NULL) \
(ret) = (pcb)->connected((pcb)->callback_arg,(pcb),(err)); \
else (ret) = ERR_OK; \
} while (0)
#define TCP_EVENT_POLL(pcb,ret) \
do { \
if((pcb)->poll != NULL) \
(ret) = (pcb)->poll((pcb)->callback_arg,(pcb)); \
else (ret) = ERR_OK; \
} while (0)
#define TCP_EVENT_ERR(errf,arg,err) \
do { \
if((errf) != NULL) \
(errf)((arg),(err)); \
} while (0)
#endif /* LWIP_EVENT_API */
/** Enabled extra-check for TCP_OVERSIZE if LWIP_DEBUG is enabled */
#if TCP_OVERSIZE && defined(LWIP_DEBUG)
#define TCP_OVERSIZE_DBGCHECK 1
#else
#define TCP_OVERSIZE_DBGCHECK 0
#endif
/** Don't generate checksum on copy if CHECKSUM_GEN_TCP is disabled */
#define TCP_CHECKSUM_ON_COPY (LWIP_CHECKSUM_ON_COPY && CHECKSUM_GEN_TCP)
/* This structure represents a TCP segment on the unsent, unacked and ooseq queues */
struct tcp_seg {
struct tcp_seg *next; /* used when putting segments on a queue */
struct pbuf *p; /* buffer containing data + TCP header */
u16_t len; /* the TCP length of this segment */
#if TCP_OVERSIZE_DBGCHECK
u16_t oversize_left; /* Extra bytes available at the end of the last
pbuf in unsent (used for asserting vs.
tcp_pcb.unsent_oversized only) */
#endif /* TCP_OVERSIZE_DBGCHECK */
#if TCP_CHECKSUM_ON_COPY
u16_t chksum;
u8_t chksum_swapped;
#endif /* TCP_CHECKSUM_ON_COPY */
u8_t flags;
#define TF_SEG_OPTS_MSS (u8_t)0x01U /* Include MSS option. */
#define TF_SEG_OPTS_TS (u8_t)0x02U /* Include timestamp option. */
#define TF_SEG_DATA_CHECKSUMMED (u8_t)0x04U /* ALL data (not the header) is
checksummed into 'chksum' */
#define TF_SEG_OPTS_WND_SCALE (u8_t)0x08U /* Include WND SCALE option */
struct tcp_hdr *tcphdr; /* the TCP header */
};
#define LWIP_TCP_OPT_EOL 0
#define LWIP_TCP_OPT_NOP 1
#define LWIP_TCP_OPT_MSS 2
#define LWIP_TCP_OPT_WS 3
#define LWIP_TCP_OPT_TS 8
#define LWIP_TCP_OPT_LEN_MSS 4
#if LWIP_TCP_TIMESTAMPS
#define LWIP_TCP_OPT_LEN_TS 10
#define LWIP_TCP_OPT_LEN_TS_OUT 12 /* aligned for output (includes NOP padding) */
#else
#define LWIP_TCP_OPT_LEN_TS_OUT 0
#endif
#if LWIP_WND_SCALE
#define LWIP_TCP_OPT_LEN_WS 3
#define LWIP_TCP_OPT_LEN_WS_OUT 4 /* aligned for output (includes NOP padding) */
#else
#define LWIP_TCP_OPT_LEN_WS_OUT 0
#endif
#define LWIP_TCP_OPT_LENGTH(flags) \
(flags & TF_SEG_OPTS_MSS ? LWIP_TCP_OPT_LEN_MSS : 0) + \
(flags & TF_SEG_OPTS_TS ? LWIP_TCP_OPT_LEN_TS_OUT : 0) + \
(flags & TF_SEG_OPTS_WND_SCALE ? LWIP_TCP_OPT_LEN_WS_OUT : 0)
/** This returns a TCP header option for MSS in an u32_t */
#define TCP_BUILD_MSS_OPTION(mss) htonl(0x02040000 | ((mss) & 0xFFFF))
#if LWIP_WND_SCALE
#define TCPWNDSIZE_F U32_F
#define TCPWND_MAX 0xFFFFFFFFU
#define TCPWND_CHECK16(x) LWIP_ASSERT("window size > 0xFFFF", (x) <= 0xFFFF)
#define TCPWND_MIN16(x) ((u16_t)LWIP_MIN((x), 0xFFFF))
#else /* LWIP_WND_SCALE */
#define TCPWNDSIZE_F U16_F
#define TCPWND_MAX 0xFFFFU
#define TCPWND_CHECK16(x)
#define TCPWND_MIN16(x) x
#endif /* LWIP_WND_SCALE */
/* Global variables: */
extern struct tcp_pcb *tcp_input_pcb;
extern u32_t tcp_ticks;
extern u8_t tcp_active_pcbs_changed;
/* The TCP PCB lists. */
union tcp_listen_pcbs_t { /* List of all TCP PCBs in LISTEN state. */
struct tcp_pcb_listen *listen_pcbs;
struct tcp_pcb *pcbs;
};
extern struct tcp_pcb *tcp_bound_pcbs;
extern union tcp_listen_pcbs_t tcp_listen_pcbs;
extern struct tcp_pcb *tcp_active_pcbs; /* List of all TCP PCBs that are in a
state in which they accept or send
data. */
extern struct tcp_pcb *tcp_tw_pcbs; /* List of all TCP PCBs in TIME-WAIT. */
#define NUM_TCP_PCB_LISTS_NO_TIME_WAIT 3
#define NUM_TCP_PCB_LISTS 4
extern struct tcp_pcb ** const tcp_pcb_lists[NUM_TCP_PCB_LISTS];
/* Axioms about the above lists:
1) Every TCP PCB that is not CLOSED is in one of the lists.
2) A PCB is only in one of the lists.
3) All PCBs in the tcp_listen_pcbs list is in LISTEN state.
4) All PCBs in the tcp_tw_pcbs list is in TIME-WAIT state.
*/
/* Define two macros, TCP_REG and TCP_RMV that registers a TCP PCB
with a PCB list or removes a PCB from a list, respectively. */
#ifndef TCP_DEBUG_PCB_LISTS
#define TCP_DEBUG_PCB_LISTS 0
#endif
#if TCP_DEBUG_PCB_LISTS
#define TCP_REG(pcbs, npcb) do {\
struct tcp_pcb *tcp_tmp_pcb; \
LWIP_DEBUGF(TCP_DEBUG, ("TCP_REG %p local port %d\n", (npcb), (npcb)->local_port)); \
for (tcp_tmp_pcb = *(pcbs); \
tcp_tmp_pcb != NULL; \
tcp_tmp_pcb = tcp_tmp_pcb->next) { \
LWIP_ASSERT("TCP_REG: already registered\n", tcp_tmp_pcb != (npcb)); \
} \
LWIP_ASSERT("TCP_REG: pcb->state != CLOSED", ((pcbs) == &tcp_bound_pcbs) || ((npcb)->state != CLOSED)); \
(npcb)->next = *(pcbs); \
LWIP_ASSERT("TCP_REG: npcb->next != npcb", (npcb)->next != (npcb)); \
*(pcbs) = (npcb); \
LWIP_ASSERT("TCP_RMV: tcp_pcbs sane", tcp_pcbs_sane()); \
tcp_timer_needed(); \
} while(0)
#define TCP_RMV(pcbs, npcb) do { \
struct tcp_pcb *tcp_tmp_pcb; \
LWIP_ASSERT("TCP_RMV: pcbs != NULL", *(pcbs) != NULL); \
LWIP_DEBUGF(TCP_DEBUG, ("TCP_RMV: removing %p from %p\n", (npcb), *(pcbs))); \
if(*(pcbs) == (npcb)) { \
*(pcbs) = (*pcbs)->next; \
} else for (tcp_tmp_pcb = *(pcbs); tcp_tmp_pcb != NULL; tcp_tmp_pcb = tcp_tmp_pcb->next) { \
if(tcp_tmp_pcb->next == (npcb)) { \
tcp_tmp_pcb->next = (npcb)->next; \
break; \
} \
} \
(npcb)->next = NULL; \
LWIP_ASSERT("TCP_RMV: tcp_pcbs sane", tcp_pcbs_sane()); \
LWIP_DEBUGF(TCP_DEBUG, ("TCP_RMV: removed %p from %p\n", (npcb), *(pcbs))); \
} while(0)
#else /* LWIP_DEBUG */
#define TCP_REG(pcbs, npcb) \
do { \
(npcb)->next = *pcbs; \
*(pcbs) = (npcb); \
tcp_timer_needed(); \
} while (0)
#define TCP_RMV(pcbs, npcb) \
do { \
if(*(pcbs) == (npcb)) { \
(*(pcbs)) = (*pcbs)->next; \
} \
else { \
struct tcp_pcb *tcp_tmp_pcb; \
for (tcp_tmp_pcb = *pcbs; \
tcp_tmp_pcb != NULL; \
tcp_tmp_pcb = tcp_tmp_pcb->next) { \
if(tcp_tmp_pcb->next == (npcb)) { \
tcp_tmp_pcb->next = (npcb)->next; \
break; \
} \
} \
} \
(npcb)->next = NULL; \
} while(0)
#endif /* LWIP_DEBUG */
#define TCP_REG_ACTIVE(npcb) \
do { \
TCP_REG(&tcp_active_pcbs, npcb); \
tcp_active_pcbs_changed = 1; \
} while (0)
#define TCP_RMV_ACTIVE(npcb) \
do { \
TCP_RMV(&tcp_active_pcbs, npcb); \
tcp_active_pcbs_changed = 1; \
} while (0)
#define TCP_PCB_REMOVE_ACTIVE(pcb) \
do { \
tcp_pcb_remove(&tcp_active_pcbs, pcb); \
tcp_active_pcbs_changed = 1; \
} while (0)
/* Internal functions: */
struct tcp_pcb *tcp_pcb_copy(struct tcp_pcb *pcb);
void tcp_pcb_purge(struct tcp_pcb *pcb);
void tcp_pcb_remove(struct tcp_pcb **pcblist, struct tcp_pcb *pcb);
void tcp_segs_free(struct tcp_seg *seg);
void tcp_seg_free(struct tcp_seg *seg);
struct tcp_seg *tcp_seg_copy(struct tcp_seg *seg);
#define tcp_ack(pcb) \
do { \
if((pcb)->flags & TF_ACK_DELAY) { \
(pcb)->flags &= ~TF_ACK_DELAY; \
(pcb)->flags |= TF_ACK_NOW; \
} \
else { \
(pcb)->flags |= TF_ACK_DELAY; \
} \
} while (0)
#define tcp_ack_now(pcb) \
do { \
(pcb)->flags |= TF_ACK_NOW; \
} while (0)
err_t tcp_send_fin(struct tcp_pcb *pcb);
err_t tcp_enqueue_flags(struct tcp_pcb *pcb, u8_t flags);
void tcp_rexmit_seg(struct tcp_pcb *pcb, struct tcp_seg *seg);
void tcp_rst(u32_t seqno, u32_t ackno,
const ip_addr_t *local_ip, const ip_addr_t *remote_ip,
u16_t local_port, u16_t remote_port);
u32_t tcp_next_iss(void);
err_t tcp_keepalive(struct tcp_pcb *pcb);
err_t tcp_zero_window_probe(struct tcp_pcb *pcb);
void tcp_trigger_input_pcb_close(void);
#if TCP_CALCULATE_EFF_SEND_MSS
u16_t tcp_eff_send_mss_impl(u16_t sendmss, const ip_addr_t *dest
#if LWIP_IPV6 || LWIP_IPV4_SRC_ROUTING
, const ip_addr_t *src
#endif /* LWIP_IPV6 || LWIP_IPV4_SRC_ROUTING */
);
#if LWIP_IPV6 || LWIP_IPV4_SRC_ROUTING
#define tcp_eff_send_mss(sendmss, src, dest) tcp_eff_send_mss_impl(sendmss, dest, src)
#else /* LWIP_IPV6 || LWIP_IPV4_SRC_ROUTING */
#define tcp_eff_send_mss(sendmss, src, dest) tcp_eff_send_mss_impl(sendmss, dest)
#endif /* LWIP_IPV6 || LWIP_IPV4_SRC_ROUTING */
#endif /* TCP_CALCULATE_EFF_SEND_MSS */
#if LWIP_CALLBACK_API
err_t tcp_recv_null(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err);
#endif /* LWIP_CALLBACK_API */
#if TCP_DEBUG || TCP_INPUT_DEBUG || TCP_OUTPUT_DEBUG
void tcp_debug_print(struct tcp_hdr *tcphdr);
void tcp_debug_print_flags(u8_t flags);
void tcp_debug_print_state(enum tcp_state s);
void tcp_debug_print_pcbs(void);
s16_t tcp_pcbs_sane(void);
#else
# define tcp_debug_print(tcphdr)
# define tcp_debug_print_flags(flags)
# define tcp_debug_print_state(s)
# define tcp_debug_print_pcbs()
# define tcp_pcbs_sane() 1
#endif /* TCP_DEBUG */
/** External function (implemented in timers.c), called when TCP detects
* that a timer is needed (i.e. active- or time-wait-pcb found). */
void tcp_timer_needed(void);
#if LWIP_IPV4
void tcp_netif_ipv4_addr_changed(const ip4_addr_t* old_addr, const ip4_addr_t* new_addr);
#endif /* LWIP_IPV4 */
#ifdef __cplusplus
}
#endif
#endif /* LWIP_TCP */
#endif /* LWIP_HDR_TCP_H */

163
tools/sdk/include/lwip/lwip/priv/tcpip_priv.h Executable file
View File

@ -0,0 +1,163 @@
/*
* 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_TCPIP_PRIV_H
#define LWIP_HDR_TCPIP_PRIV_H
#include "lwip/opt.h"
#if !NO_SYS /* don't build if not configured for use in lwipopts.h */
#include "lwip/tcpip.h"
#include "lwip/sys.h"
#include "lwip/timers.h"
#ifdef __cplusplus
extern "C" {
#endif
struct pbuf;
struct netif;
/** Define this to something that triggers a watchdog. This is called from
* tcpip_thread after processing a message. */
#ifndef LWIP_TCPIP_THREAD_ALIVE
#define LWIP_TCPIP_THREAD_ALIVE()
#endif
#if LWIP_TCPIP_CORE_LOCKING
/** The global semaphore to lock the stack. */
extern sys_mutex_t lock_tcpip_core;
#define LOCK_TCPIP_CORE() sys_mutex_lock(&lock_tcpip_core)
#define UNLOCK_TCPIP_CORE() sys_mutex_unlock(&lock_tcpip_core)
#else /* LWIP_TCPIP_CORE_LOCKING */
#define LOCK_TCPIP_CORE()
#define UNLOCK_TCPIP_CORE()
#endif /* LWIP_TCPIP_CORE_LOCKING */
#if LWIP_MPU_COMPATIBLE
#define API_VAR_REF(name) (*(name))
#define API_VAR_DECLARE(type, name) type * name
#define API_VAR_ALLOC(type, pool, name) do { \
name = (type *)memp_malloc(pool); \
if (name == NULL) { \
return ERR_MEM; \
} \
} while(0)
#define API_VAR_ALLOC_DONTFAIL(type, pool, name) do { \
name = (type *)memp_malloc(pool); \
LWIP_ASSERT("pool empty", name != NULL); \
} while(0)
#define API_VAR_FREE(pool, name) memp_free(pool, name)
#define API_EXPR_REF(expr) &(expr)
#if LWIP_NETCONN_SEM_PER_THREAD
#define API_EXPR_REF_SEM(expr) (expr)
#else
#define API_EXPR_REF_SEM(expr) API_EXPR_REF(expr)
#endif
#define API_EXPR_DEREF(expr) expr
#else /* LWIP_MPU_COMPATIBLE */
#define API_VAR_REF(name) name
#define API_VAR_DECLARE(type, name) type name
#define API_VAR_ALLOC(type, pool, name)
#define API_VAR_ALLOC_DONTFAIL(type, pool, name)
#define API_VAR_FREE(pool, name)
#define API_EXPR_REF(expr) expr
#define API_EXPR_REF_SEM(expr) API_EXPR_REF(expr)
#define API_EXPR_DEREF(expr) *(expr)
#endif /* LWIP_MPU_COMPATIBLE */
#if !LWIP_TCPIP_CORE_LOCKING
err_t tcpip_send_api_msg(tcpip_callback_fn fn, void *apimsg, sys_sem_t* sem);
#endif /* !LWIP_TCPIP_CORE_LOCKING */
struct tcpip_api_call;
typedef err_t (*tcpip_api_call_fn)(struct tcpip_api_call* call);
struct tcpip_api_call
{
tcpip_api_call_fn function;
#if !LWIP_TCPIP_CORE_LOCKING
#if LWIP_NETCONN_SEM_PER_THREAD
sys_sem_t *sem;
#else /* LWIP_NETCONN_SEM_PER_THREAD */
sys_sem_t sem;
#endif /* LWIP_NETCONN_SEM_PER_THREAD */
err_t err;
#endif /* !LWIP_TCPIP_CORE_LOCKING */
};
err_t tcpip_api_call(tcpip_api_call_fn fn, struct tcpip_api_call *call);
enum tcpip_msg_type {
TCPIP_MSG_API,
TCPIP_MSG_API_CALL,
TCPIP_MSG_INPKT,
#if LWIP_TCPIP_TIMEOUT
TCPIP_MSG_TIMEOUT,
TCPIP_MSG_UNTIMEOUT,
#endif /* LWIP_TCPIP_TIMEOUT */
TCPIP_MSG_CALLBACK,
TCPIP_MSG_CALLBACK_STATIC
};
struct tcpip_msg {
enum tcpip_msg_type type;
union {
struct {
tcpip_callback_fn function;
void* msg;
} api;
struct tcpip_api_call *api_call;
struct {
struct pbuf *p;
struct netif *netif;
netif_input_fn input_fn;
} inp;
struct {
tcpip_callback_fn function;
void *ctx;
} cb;
#if LWIP_TCPIP_TIMEOUT
struct {
u32_t msecs;
sys_timeout_handler h;
void *arg;
} tmo;
#endif /* LWIP_TCPIP_TIMEOUT */
} msg;
};
#ifdef __cplusplus
}
#endif
#endif /* !NO_SYS */
#endif /* LWIP_HDR_TCPIP_PRIV_H */