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Merged from DEVEL into main tree.

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This commit is contained in:
likewise
2003-11-14 13:17:23 +00:00
parent bdfdc2bb83
commit e4a6d199fe
45 changed files with 2329 additions and 850 deletions
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36
src/include/ipv4/lwip/ip.h
View File

@@ -47,9 +47,9 @@ u8_t ip_lookup(void *header, struct netif *inp);
struct netif *ip_route(struct ip_addr *dest);
err_t ip_input(struct pbuf *p, struct netif *inp);
err_t ip_output(struct pbuf *p, struct ip_addr *src, struct ip_addr *dest,
u8_t ttl, u8_t proto);
u8_t ttl, u8_t tos, u8_t proto);
err_t ip_output_if(struct pbuf *p, struct ip_addr *src, struct ip_addr *dest,
u8_t ttl, u8_t proto,
u8_t ttl, u8_t tos, u8_t proto,
struct netif *netif);
#define IP_HLEN 20
@@ -67,6 +67,36 @@ err_t ip_output_if(struct pbuf *p, struct ip_addr *src, struct ip_addr *dest,
#endif /* IP_HDRINCL */
#define IP_HDRINCL NULL
/* This is the common part of all PCB types. It needs to be at the
beginning of a PCB type definition. It is located here so that
changes to this common part are made in one location instead of
having to change all PCB structs. */
#define IP_PCB struct ip_addr local_ip; \
struct ip_addr remote_ip; \
/* Socket options */ \
u16_t so_options; \
/* Type Of Service */ \
u8_t tos; \
/* Time To Live */ \
u8_t ttl
/*
* Option flags per-socket. These are the same like SO_XXX.
*/
#define SOF_DEBUG (u16_t)0x0001U /* turn on debugging info recording */
#define SOF_ACCEPTCONN (u16_t)0x0002U /* socket has had listen() */
#define SOF_REUSEADDR (u16_t)0x0004U /* allow local address reuse */
#define SOF_KEEPALIVE (u16_t)0x0008U /* keep connections alive */
#define SOF_DONTROUTE (u16_t)0x0010U /* just use interface addresses */
#define SOF_BROADCAST (u16_t)0x0020U /* permit sending of broadcast msgs */
#define SOF_USELOOPBACK (u16_t)0x0040U /* bypass hardware when possible */
#define SOF_LINGER (u16_t)0x0080U /* linger on close if data present */
#define SOF_OOBINLINE (u16_t)0x0100U /* leave received OOB data in line */
#define SOF_REUSEPORT (u16_t)0x0200U /* allow local address & port reuse */
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
@@ -117,6 +147,8 @@ PACK_STRUCT_END
#if IP_DEBUG
void ip_debug_print(struct pbuf *p);
#else
#define ip_debug_print(p)
#endif /* IP_DEBUG */
#endif /* __LWIP_IP_H__ */

8
src/include/lwip/api.h
View File

@@ -38,6 +38,7 @@
#include "lwip/ip.h"
#include "lwip/raw.h"
#include "lwip/udp.h"
#include "lwip/tcp.h"
@@ -50,7 +51,8 @@ enum netconn_type {
NETCONN_TCP,
NETCONN_UDP,
NETCONN_UDPLITE,
NETCONN_UDPNOCHKSUM
NETCONN_UDPNOCHKSUM,
NETCONN_RAW
};
enum netconn_state {
@@ -82,6 +84,7 @@ struct netconn {
union {
struct tcp_pcb *tcp;
struct udp_pcb *udp;
struct raw_pcb *raw;
} pcb;
err_t err;
sys_mbox_t mbox;
@@ -121,6 +124,9 @@ struct netconn * netconn_new (enum netconn_type type);
struct
netconn *netconn_new_with_callback(enum netconn_type t,
void (*callback)(struct netconn *, enum netconn_evt, u16_t len));
struct
netconn *netconn_new_with_proto_and_callback(enum netconn_type t, u16_t proto,
void (*callback)(struct netconn *, enum netconn_evt, u16_t len));
err_t netconn_delete (struct netconn *conn);
enum netconn_type netconn_type (struct netconn *conn);
err_t netconn_peer (struct netconn *conn,

10
src/include/lwip/debug.h
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@@ -61,19 +61,19 @@
/** flag for LWIP_DEBUGF to halt after printing this debug message */
#define DBG_HALT 0x08U
#ifdef LWIP_DEBUG
# ifndef LWIP_NOASSERT
#ifndef LWIP_NOASSERT
# define LWIP_ASSERT(x,y) do { if(!(y)) LWIP_PLATFORM_ASSERT(x); } while(0)
# else
#else
# define LWIP_ASSERT(x,y)
# endif
#endif
#ifdef LWIP_DEBUG
/** print debug message only if debug message type is enabled...
* AND is of correct type AND is at least DBG_LEVEL
*/
# define LWIP_DEBUGF(debug,x) do { if (((debug) & DBG_ON) && ((debug) & DBG_TYPES_ON) && (((debug) & DBG_MASK_LEVEL) >= DBG_MIN_LEVEL)) { LWIP_PLATFORM_DIAG(x); if ((debug) & DBG_HALT) while(1); } } while(0)
# define LWIP_ERROR(x) do { LWIP_PLATFORM_DIAG(x); } while(0)
#else /* LWIP_DEBUG */
# define LWIP_ASSERT(x,y)
# define LWIP_DEBUGF(debug,x)
# define LWIP_ERROR(x)
#endif /* LWIP_DEBUG */

4
src/include/lwip/mem.h
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@@ -49,9 +49,13 @@ void mem_free(void *mem);
void *mem_realloc(void *mem, mem_size_t size);
void *mem_reallocm(void *mem, mem_size_t size);
#ifndef MEM_ALIGN_SIZE
#define MEM_ALIGN_SIZE(size) (((size) + MEM_ALIGNMENT - 1) & ~(MEM_ALIGNMENT-1))
#endif
#ifndef MEM_ALIGN
#define MEM_ALIGN(addr) ((void *)(((mem_ptr_t)(addr) + MEM_ALIGNMENT - 1) & ~(mem_ptr_t)(MEM_ALIGNMENT-1)))
#endif
#endif /* __LWIP_MEM_H__ */

1
src/include/lwip/memp.h
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@@ -37,6 +37,7 @@
typedef enum {
MEMP_PBUF,
MEMP_RAW_PCB,
MEMP_UDP_PCB,
MEMP_TCP_PCB,
MEMP_TCP_PCB_LISTEN,

91
src/include/lwip/opt.h
View File

@@ -32,9 +32,9 @@
#ifndef __LWIP_OPT_H__
#define __LWIP_OPT_H__
#include "lwip/debug.h"
/* Include user defined options first */
#include "lwipopts.h"
#include "lwip/debug.h"
/* Define default values for unconfigured parameters. */
@@ -74,6 +74,11 @@ a lot of data that needs to be copied, this should be set high. */
#define MEMP_NUM_PBUF 16
#endif
/* Number of raw connection PCBs */
#ifndef MEMP_NUM_RAW_PCB
#define MEMP_NUM_RAW_PCB 4
#endif
/* MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One
per active UDP "connection". */
#ifndef MEMP_NUM_UDP_PCB
@@ -211,6 +216,12 @@ a lot of data that needs to be copied, this should be set high. */
#define ICMP_TTL 255
#endif
/* ---------- RAW options ---------- */
#ifndef RAW_TTL
#define RAW_TTL 255
#endif
/* ---------- DHCP options ---------- */
#ifndef LWIP_DHCP
@@ -320,6 +331,14 @@ a lot of data that needs to be copied, this should be set high. */
#define DEFAULT_THREAD_PRIO 1
#endif
/* ---------- Socket Options ---------- */
/* Enable SO_REUSEADDR and SO_REUSEPORT options */
#ifndef SO_REUSE
# define SO_REUSE 1
#endif
/* ---------- Statistics options ---------- */
#ifndef LWIP_STATS
#define LWIP_STATS 1
@@ -327,15 +346,63 @@ a lot of data that needs to be copied, this should be set high. */
#if LWIP_STATS
#define LINK_STATS
#define IP_STATS
#define ICMP_STATS
#define UDP_STATS
#define TCP_STATS
#define MEM_STATS
#define MEMP_STATS
#define PBUF_STATS
#define SYS_STATS
#ifndef LINK_STATS
#define LINK_STATS 1
#endif
#ifndef IP_STATS
#define IP_STATS 1
#endif
#ifndef IPFRAG_STATS
#define IPFRAG_STATS 1
#endif
#ifndef ICMP_STATS
#define ICMP_STATS 1
#endif
#ifndef UDP_STATS
#define UDP_STATS 1
#endif
#ifndef TCP_STATS
#define TCP_STATS 1
#endif
#ifndef MEM_STATS
#define MEM_STATS 1
#endif
#ifndef MEMP_STATS
#define MEMP_STATS 1
#endif
#ifndef PBUF_STATS
#define PBUF_STATS 1
#endif
#ifndef SYS_STATS
#define SYS_STATS 1
#endif
#ifndef RAW_STATS
#define RAW_STATS 0
#endif
#else
#define LINK_STATS 0
#define IP_STATS 0
#define IPFRAG_STATS 0
#define ICMP_STATS 0
#define UDP_STATS 0
#define TCP_STATS 0
#define MEM_STATS 0
#define MEMP_STATS 0
#define PBUF_STATS 0
#define SYS_STATS 0
#define RAW_STATS 0
#endif /* LWIP_STATS */
@@ -477,6 +544,10 @@ a lot of data that needs to be copied, this should be set high. */
#define IP_REASS_DEBUG DBG_OFF
#endif
#ifndef RAW_DEBUG
#define RAW_DEBUG DBG_OFF
#endif
#ifndef MEM_DEBUG
#define MEM_DEBUG DBG_OFF
#endif

3
src/include/lwip/pbuf.h
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@@ -29,7 +29,7 @@
* Author: Adam Dunkels <adam@sics.se>
*
*/
/*-----------------------------------------------------------------------------------*/
#ifndef __LWIP_PBUF_H__
#define __LWIP_PBUF_H__
@@ -108,6 +108,7 @@ void pbuf_ref(struct pbuf *p);
void pbuf_ref_chain(struct pbuf *p);
u8_t pbuf_free(struct pbuf *p);
u8_t pbuf_clen(struct pbuf *p);
void pbuf_cat(struct pbuf *h, struct pbuf *t);
void pbuf_chain(struct pbuf *h, struct pbuf *t);
struct pbuf *pbuf_take(struct pbuf *f);
struct pbuf *pbuf_dechain(struct pbuf *p);

74
src/include/lwip/raw.h Normal file
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@@ -0,0 +1,74 @@
/*
* 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: Adam Dunkels <adam@sics.se>
*
*/
#ifndef __LWIP_RAW_H__
#define __LWIP_RAW_H__
#include "lwip/arch.h"
#include "lwip/pbuf.h"
#include "lwip/inet.h"
#include "lwip/ip.h"
struct raw_pcb {
/* Common members of all PCB types */
IP_PCB;
struct raw_pcb *next;
u16_t protocol;
int (* recv)(void *arg, struct raw_pcb *pcb, struct pbuf *p,
struct ip_addr *addr);
void *recv_arg;
};
/* The following functions is the application layer interface to the
RAW code. */
struct raw_pcb * raw_new (u16_t proto);
void raw_remove (struct raw_pcb *pcb);
err_t raw_bind (struct raw_pcb *pcb, struct ip_addr *ipaddr);
err_t raw_connect (struct raw_pcb *pcb, struct ip_addr *ipaddr);
void raw_recv (struct raw_pcb *pcb,
int (* recv)(void *arg, struct raw_pcb *pcb,
struct pbuf *p,
struct ip_addr *addr),
void *recv_arg);
err_t raw_send_to (struct raw_pcb *pcb, struct pbuf *p, struct ip_addr *ipaddr);
err_t raw_send (struct raw_pcb *pcb, struct pbuf *p);
/* The following functions are the lower layer interface to RAW. */
int raw_input (struct pbuf *p, struct netif *inp);
void raw_init (void);
#endif /* __LWIP_RAW_H__ */

31
src/include/lwip/sockets.h
View File

@@ -70,6 +70,7 @@ struct sockaddr {
#define SO_USELOOPBACK 0x0040 /* bypass hardware when possible */
#define SO_LINGER 0x0080 /* linger on close if data present */
#define SO_OOBINLINE 0x0100 /* leave received OOB data in line */
#define SO_REUSEPORT 0x0200 /* allow local address & port reuse */
#define SO_DONTLINGER (int)(~SO_LINGER)
@@ -117,6 +118,36 @@ struct linger {
#define MSG_DONTWAIT 0x40 /* Nonblocking i/o for this operation only */
/*
* Options for level IPPROTO_IP
*/
#define IP_TOS 1
#define IP_TTL 2
#define IPTOS_TOS_MASK 0x1E
#define IPTOS_TOS(tos) ((tos) & IPTOS_TOS_MASK)
#define IPTOS_LOWDELAY 0x10
#define IPTOS_THROUGHPUT 0x08
#define IPTOS_RELIABILITY 0x04
#define IPTOS_LOWCOST 0x02
#define IPTOS_MINCOST IPTOS_LOWCOST
/*
* Definitions for IP precedence (also in ip_tos) (hopefully unused)
*/
#define IPTOS_PREC_MASK 0xe0
#define IPTOS_PREC(tos) ((tos) & IPTOS_PREC_MASK)
#define IPTOS_PREC_NETCONTROL 0xe0
#define IPTOS_PREC_INTERNETCONTROL 0xc0
#define IPTOS_PREC_CRITIC_ECP 0xa0
#define IPTOS_PREC_FLASHOVERRIDE 0x80
#define IPTOS_PREC_FLASH 0x60
#define IPTOS_PREC_IMMEDIATE 0x40
#define IPTOS_PREC_PRIORITY 0x20
#define IPTOS_PREC_ROUTINE 0x00
/*
* Commands for ioctlsocket(), taken from the BSD file fcntl.h.
*

40
src/include/lwip/stats.h
View File

@@ -101,9 +101,49 @@ extern struct stats_ lwip_stats;
void stats_init(void);
#define STATS_INC(x) ++lwip_stats.x
#else
#define stats_init()
#define STATS_INC(x)
#endif /* LWIP_STATS */
#if TCP_STATS
#define TCP_STATS_INC(x) STATS_INC(x)
#else
#define TCP_STATS_INC(x)
#endif
#if UDP_STATS
#define UDP_STATS_INC(x) STATS_INC(x)
#else
#define UDP_STATS_INC(x)
#endif
#if ICMP_STATS
#define ICMP_STATS_INC(x) STATS_INC(x)
#else
#define ICMP_STATS_INC(x)
#endif
#if IP_STATS
#define IP_STATS_INC(x) STATS_INC(x)
#else
#define IP_STATS_INC(x)
#endif
#if IPFRAG_STATS
#define IPFRAG_STATS_INC(x) STATS_INC(x)
#else
#define IPFRAG_STATS_INC(x)
#endif
#if LINK_STATS
#define LINK_STATS_INC(x) STATS_INC(x)
#else
#define LINK_STATS_INC(x)
#endif
#endif /* __LWIP_STATS_H__ */

107
src/include/lwip/tcp.h
View File

@@ -53,7 +53,7 @@ void tcp_init (void); /* Must be called first to
initialize TCP. */
void tcp_tmr (void); /* Must be called every
TCP_TMR_INTERVAL
ms. (Typically 100 ms). */
ms. (Typically 250 ms). */
/* Application program's interface: */
struct tcp_pcb * tcp_new (void);
struct tcp_pcb * tcp_alloc (u8_t prio);
@@ -115,30 +115,32 @@ void tcp_rexmit (struct tcp_pcb *pcb);
#define TCP_SEQ_GT(a,b) ((s32_t)((a)-(b)) > 0)
#define TCP_SEQ_GEQ(a,b) ((s32_t)((a)-(b)) >= 0)
#define TCP_FIN 0x01
#define TCP_SYN 0x02
#define TCP_RST 0x04
#define TCP_PSH 0x08
#define TCP_ACK 0x10
#define TCP_URG 0x20
#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 0x3f
#define TCP_FLAGS 0x3fU
/* Length of the TCP header, excluding options. */
#define TCP_HLEN 20
#ifndef TCP_TMR_INTERVAL
#define TCP_TMR_INTERVAL 100 /* The TCP timer interval in
#define TCP_TMR_INTERVAL 250 /* The TCP timer interval in
milliseconds. */
#endif /* TCP_TMR_INTERVAL */
#ifndef TCP_FAST_INTERVAL
#define TCP_FAST_INTERVAL 200 /* the fine grained timeout in
#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 500 /* the coarse grained timeout in
#define TCP_SLOW_INTERVAL (2*TCP_TMR_INTERVAL) /* the coarse grained timeout in
milliseconds */
#endif /* TCP_SLOW_INTERVAL */
@@ -149,6 +151,19 @@ void tcp_rexmit (struct tcp_pcb *pcb);
#define TCP_MSL 60000 /* The maximum segment lifetime in microseconds */
/*
* User-settable options (used with setsockopt).
*/
#define TCP_NODELAY 0x01 /* don't delay send to coalesce packets */
#define TCP_KEEPALIVE 0x02 /* send KEEPALIVE probes when idle for pcb->keepalive miliseconds */
/* Keepalive values */
#define TCP_KEEPDEFAULT 7200000 /* KEEPALIVE timer in miliseconds */
#define TCP_KEEPINTVL 75000 /* Time between KEEPALIVE probes in miliseconds */
#define TCP_KEEPCNT 9 /* Counter for KEEPALIVE probes */
#define TCP_MAXIDLE TCP_KEEPCNT * TCP_KEEPINTVL /* Maximum KEEPALIVE probe time */
#ifdef PACK_STRUCT_USE_INCLUDES
# include "arch/bpstruct.h"
#endif
@@ -158,7 +173,7 @@ struct tcp_hdr {
PACK_STRUCT_FIELD(u16_t dest);
PACK_STRUCT_FIELD(u32_t seqno);
PACK_STRUCT_FIELD(u32_t ackno);
PACK_STRUCT_FIELD(u16_t _offset_flags);
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);
@@ -168,11 +183,15 @@ PACK_STRUCT_END
# include "arch/epstruct.h"
#endif
#define TCPH_OFFSET(hdr) (ntohs((hdr)->_offset_flags) >> 8)
#define TCPH_FLAGS(hdr) (ntohs((hdr)->_offset_flags) & 0xff)
#define TCPH_OFFSET(phdr) (ntohs((phdr)->_hdrlen_rsvd_flags) >> 8)
#define TCPH_HDRLEN(phdr) (ntohs((phdr)->_hdrlen_rsvd_flags) >> 12)
#define TCPH_FLAGS(phdr) (ntohs((phdr)->_hdrlen_rsvd_flags) & TCP_FLAGS)
#define TCPH_OFFSET_SET(hdr, offset) (hdr)->_offset_flags = htons(((offset) << 8) | TCPH_FLAGS(hdr))
#define TCPH_FLAGS_SET(hdr, flags) (hdr)->_offset_flags = htons((TCPH_OFFSET(hdr) << 8) | (flags))
#define TCPH_OFFSET_SET(phdr, offset) (phdr)->_hdrlen_rsvd_flags = htons(((offset) << 8) | TCPH_FLAGS(phdr))
#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 = htons((ntohs((phdr)->_hdrlen_rsvd_flags) & ~TCP_FLAGS) | (flags))
#define TCPH_SET_FLAG(phdr, flags ) (phdr)->_hdrlen_rsvd_flags = htons(ntohs((phdr)->_hdrlen_rsvd_flags) | (flags))
#define TCPH_UNSET_FLAG(phdr, flags) (phdr)->_hdrlen_rsvd_flags = htons(ntohs((phdr)->_hdrlen_rsvd_flags) | (TCPH_FLAGS(phdr) & ~(flags)) )
#define TCP_TCPLEN(seg) ((seg)->len + ((TCPH_FLAGS((seg)->tcphdr) & TCP_FIN || \
TCPH_FLAGS((seg)->tcphdr) & TCP_SYN)? 1: 0))
@@ -194,17 +213,30 @@ enum tcp_state {
/* the TCP protocol control block */
struct tcp_pcb {
/* Common members of all PCB types */
IP_PCB;
/* Protocol specific PCB members */
struct tcp_pcb *next; /* for the linked list */
enum tcp_state state; /* TCP state */
u8_t prio;
void *callback_arg;
struct ip_addr local_ip;
u16_t local_port;
enum tcp_state state; /* TCP state */
struct ip_addr remote_ip;
u16_t remote_port;
u8_t flags;
#define TF_ACK_DELAY (u8_t)0x01U /* Delayed ACK. */
#define TF_ACK_NOW (u8_t)0x02U /* Immediate ACK. */
#define TF_INFR (u8_t)0x04U /* In fast recovery. */
#define TF_RESET (u8_t)0x08U /* Connection was reset. */
#define TF_CLOSED (u8_t)0x10U /* Connection was sucessfully closed. */
#define TF_GOT_FIN (u8_t)0x20U /* Connection was closed by the remote end. */
#define TF_NODELAY (u8_t)0x40U /* Disable Nagle algorithm */
/* receiver varables */
u32_t rcv_nxt; /* next seqno expected */
u16_t rcv_wnd; /* receiver window */
@@ -217,14 +249,6 @@ struct tcp_pcb {
u16_t rtime;
u16_t mss; /* maximum segment size */
u8_t flags;
#define TF_ACK_DELAY 0x01U /* Delayed ACK. */
#define TF_ACK_NOW 0x02U /* Immediate ACK. */
#define TF_INFR 0x04U /* In fast recovery. */
#define TF_RESET 0x08U /* Connection was reset. */
#define TF_CLOSED 0x10U /* Connection was sucessfully closed. */
#define TF_GOT_FIN 0x20U /* Connection was closed by the remote end. */
/* RTT estimation variables. */
u16_t rttest; /* RTT estimate in 500ms ticks */
@@ -282,21 +306,32 @@ struct tcp_pcb {
/* Function to be called whenever a fatal error occurs. */
void (* errf)(void *arg, err_t err);
#endif /* LWIP_CALLBACK_API */
/* idle time before KEEPALIVE is sent */
u32_t keepalive;
/* KEEPALIVE counter */
u8_t keep_cnt;
};
struct tcp_pcb_listen {
/* Common members of all PCB types */
IP_PCB;
/* Protocol specific PCB members */
struct tcp_pcb_listen *next; /* for the linked list */
u8_t prio;
void *callback_arg;
struct ip_addr local_ip;
u16_t local_port;
/* Even if state is obviously LISTEN this is here for
* field compatibility with tpc_pcb to which it is cast sometimes
* Until a cleaner solution emerges this is here.FIXME
*/
enum tcp_state state; /* TCP state */
u8_t prio;
void *callback_arg;
u16_t local_port;
#if LWIP_CALLBACK_API
/* Function to call when a listener has been connected. */
err_t (* accept)(void *arg, struct tcp_pcb *newpcb, err_t err);
@@ -396,6 +431,8 @@ void tcp_rst(u32_t seqno, u32_t ackno,
u32_t tcp_next_iss(void);
void tcp_keepalive(struct tcp_pcb *pcb);
extern struct tcp_pcb *tcp_input_pcb;
extern u32_t tcp_ticks;
@@ -406,7 +443,11 @@ void tcp_debug_print_state(enum tcp_state s);
void tcp_debug_print_pcbs(void);
int tcp_pcbs_sane(void);
#else
#define tcp_pcbs_sane() 1
# 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 */
#if NO_SYS

14
src/include/lwip/udp.h
View File

@@ -52,12 +52,16 @@ struct udp_hdr {
#define UDP_FLAGS_CONNECTED 0x04U
struct udp_pcb {
/* Common members of all PCB types */
IP_PCB;
/* Protocol specific PCB members */
struct udp_pcb *next;
struct ip_addr local_ip, remote_ip;
u8_t flags;
u16_t local_port, remote_port;
u8_t flags;
u16_t chksum_len;
void (* recv)(void *arg, struct udp_pcb *pcb, struct pbuf *p,
@@ -91,7 +95,11 @@ u8_t udp_lookup (struct ip_hdr *iphdr, struct netif *inp);
void udp_input (struct pbuf *p, struct netif *inp);
void udp_init (void);
#if UDP_DEBUG
int udp_debug_print(struct udp_hdr *udphdr);
#else
#define udp_debug_print(udphdr)
#endif
#endif /* __LWIP_UDP_H__ */