1*5d5fbe79SDavid van Moolenbroek /** 2*5d5fbe79SDavid van Moolenbroek * @file 3*5d5fbe79SDavid van Moolenbroek * TCPIP API internal implementations (do not use in application code) 4*5d5fbe79SDavid van Moolenbroek */ 5*5d5fbe79SDavid van Moolenbroek 6*5d5fbe79SDavid van Moolenbroek /* 7*5d5fbe79SDavid van Moolenbroek * Copyright (c) 2001-2004 Swedish Institute of Computer Science. 8*5d5fbe79SDavid van Moolenbroek * All rights reserved. 9*5d5fbe79SDavid van Moolenbroek * 10*5d5fbe79SDavid van Moolenbroek * Redistribution and use in source and binary forms, with or without modification, 11*5d5fbe79SDavid van Moolenbroek * are permitted provided that the following conditions are met: 12*5d5fbe79SDavid van Moolenbroek * 13*5d5fbe79SDavid van Moolenbroek * 1. Redistributions of source code must retain the above copyright notice, 14*5d5fbe79SDavid van Moolenbroek * this list of conditions and the following disclaimer. 15*5d5fbe79SDavid van Moolenbroek * 2. Redistributions in binary form must reproduce the above copyright notice, 16*5d5fbe79SDavid van Moolenbroek * this list of conditions and the following disclaimer in the documentation 17*5d5fbe79SDavid van Moolenbroek * and/or other materials provided with the distribution. 18*5d5fbe79SDavid van Moolenbroek * 3. The name of the author may not be used to endorse or promote products 19*5d5fbe79SDavid van Moolenbroek * derived from this software without specific prior written permission. 20*5d5fbe79SDavid van Moolenbroek * 21*5d5fbe79SDavid van Moolenbroek * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 22*5d5fbe79SDavid van Moolenbroek * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 23*5d5fbe79SDavid van Moolenbroek * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 24*5d5fbe79SDavid van Moolenbroek * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 25*5d5fbe79SDavid van Moolenbroek * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 26*5d5fbe79SDavid van Moolenbroek * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27*5d5fbe79SDavid van Moolenbroek * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28*5d5fbe79SDavid van Moolenbroek * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 29*5d5fbe79SDavid van Moolenbroek * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 30*5d5fbe79SDavid van Moolenbroek * OF SUCH DAMAGE. 31*5d5fbe79SDavid van Moolenbroek * 32*5d5fbe79SDavid van Moolenbroek * This file is part of the lwIP TCP/IP stack. 33*5d5fbe79SDavid van Moolenbroek * 34*5d5fbe79SDavid van Moolenbroek * Author: Adam Dunkels <adam@sics.se> 35*5d5fbe79SDavid van Moolenbroek * 36*5d5fbe79SDavid van Moolenbroek */ 37*5d5fbe79SDavid van Moolenbroek #ifndef LWIP_HDR_TCPIP_PRIV_H 38*5d5fbe79SDavid van Moolenbroek #define LWIP_HDR_TCPIP_PRIV_H 39*5d5fbe79SDavid van Moolenbroek 40*5d5fbe79SDavid van Moolenbroek #include "lwip/opt.h" 41*5d5fbe79SDavid van Moolenbroek 42*5d5fbe79SDavid van Moolenbroek #if !NO_SYS /* don't build if not configured for use in lwipopts.h */ 43*5d5fbe79SDavid van Moolenbroek 44*5d5fbe79SDavid van Moolenbroek #include "lwip/tcpip.h" 45*5d5fbe79SDavid van Moolenbroek #include "lwip/sys.h" 46*5d5fbe79SDavid van Moolenbroek #include "lwip/timeouts.h" 47*5d5fbe79SDavid van Moolenbroek 48*5d5fbe79SDavid van Moolenbroek #ifdef __cplusplus 49*5d5fbe79SDavid van Moolenbroek extern "C" { 50*5d5fbe79SDavid van Moolenbroek #endif 51*5d5fbe79SDavid van Moolenbroek 52*5d5fbe79SDavid van Moolenbroek struct pbuf; 53*5d5fbe79SDavid van Moolenbroek struct netif; 54*5d5fbe79SDavid van Moolenbroek 55*5d5fbe79SDavid van Moolenbroek #if LWIP_MPU_COMPATIBLE 56*5d5fbe79SDavid van Moolenbroek #define API_VAR_REF(name) (*(name)) 57*5d5fbe79SDavid van Moolenbroek #define API_VAR_DECLARE(type, name) type * name 58*5d5fbe79SDavid van Moolenbroek #define API_VAR_ALLOC(type, pool, name, errorval) do { \ 59*5d5fbe79SDavid van Moolenbroek name = (type *)memp_malloc(pool); \ 60*5d5fbe79SDavid van Moolenbroek if (name == NULL) { \ 61*5d5fbe79SDavid van Moolenbroek return errorval; \ 62*5d5fbe79SDavid van Moolenbroek } \ 63*5d5fbe79SDavid van Moolenbroek } while(0) 64*5d5fbe79SDavid van Moolenbroek #define API_VAR_ALLOC_POOL(type, pool, name, errorval) do { \ 65*5d5fbe79SDavid van Moolenbroek name = (type *)LWIP_MEMPOOL_ALLOC(pool); \ 66*5d5fbe79SDavid van Moolenbroek if (name == NULL) { \ 67*5d5fbe79SDavid van Moolenbroek return errorval; \ 68*5d5fbe79SDavid van Moolenbroek } \ 69*5d5fbe79SDavid van Moolenbroek } while(0) 70*5d5fbe79SDavid van Moolenbroek #define API_VAR_FREE(pool, name) memp_free(pool, name) 71*5d5fbe79SDavid van Moolenbroek #define API_VAR_FREE_POOL(pool, name) LWIP_MEMPOOL_FREE(pool, name) 72*5d5fbe79SDavid van Moolenbroek #define API_EXPR_REF(expr) (&(expr)) 73*5d5fbe79SDavid van Moolenbroek #if LWIP_NETCONN_SEM_PER_THREAD 74*5d5fbe79SDavid van Moolenbroek #define API_EXPR_REF_SEM(expr) (expr) 75*5d5fbe79SDavid van Moolenbroek #else 76*5d5fbe79SDavid van Moolenbroek #define API_EXPR_REF_SEM(expr) API_EXPR_REF(expr) 77*5d5fbe79SDavid van Moolenbroek #endif 78*5d5fbe79SDavid van Moolenbroek #define API_EXPR_DEREF(expr) expr 79*5d5fbe79SDavid van Moolenbroek #define API_MSG_M_DEF(m) m 80*5d5fbe79SDavid van Moolenbroek #define API_MSG_M_DEF_C(t, m) t m 81*5d5fbe79SDavid van Moolenbroek #else /* LWIP_MPU_COMPATIBLE */ 82*5d5fbe79SDavid van Moolenbroek #define API_VAR_REF(name) name 83*5d5fbe79SDavid van Moolenbroek #define API_VAR_DECLARE(type, name) type name 84*5d5fbe79SDavid van Moolenbroek #define API_VAR_ALLOC(type, pool, name, errorval) 85*5d5fbe79SDavid van Moolenbroek #define API_VAR_ALLOC_POOL(type, pool, name, errorval) 86*5d5fbe79SDavid van Moolenbroek #define API_VAR_FREE(pool, name) 87*5d5fbe79SDavid van Moolenbroek #define API_VAR_FREE_POOL(pool, name) 88*5d5fbe79SDavid van Moolenbroek #define API_EXPR_REF(expr) expr 89*5d5fbe79SDavid van Moolenbroek #define API_EXPR_REF_SEM(expr) API_EXPR_REF(expr) 90*5d5fbe79SDavid van Moolenbroek #define API_EXPR_DEREF(expr) (*(expr)) 91*5d5fbe79SDavid van Moolenbroek #define API_MSG_M_DEF(m) *m 92*5d5fbe79SDavid van Moolenbroek #define API_MSG_M_DEF_C(t, m) const t * m 93*5d5fbe79SDavid van Moolenbroek #endif /* LWIP_MPU_COMPATIBLE */ 94*5d5fbe79SDavid van Moolenbroek 95*5d5fbe79SDavid van Moolenbroek err_t tcpip_send_msg_wait_sem(tcpip_callback_fn fn, void *apimsg, sys_sem_t* sem); 96*5d5fbe79SDavid van Moolenbroek 97*5d5fbe79SDavid van Moolenbroek struct tcpip_api_call_data 98*5d5fbe79SDavid van Moolenbroek { 99*5d5fbe79SDavid van Moolenbroek #if !LWIP_TCPIP_CORE_LOCKING 100*5d5fbe79SDavid van Moolenbroek err_t err; 101*5d5fbe79SDavid van Moolenbroek #if !LWIP_NETCONN_SEM_PER_THREAD 102*5d5fbe79SDavid van Moolenbroek sys_sem_t sem; 103*5d5fbe79SDavid van Moolenbroek #endif /* LWIP_NETCONN_SEM_PER_THREAD */ 104*5d5fbe79SDavid van Moolenbroek #else /* !LWIP_TCPIP_CORE_LOCKING */ 105*5d5fbe79SDavid van Moolenbroek u8_t dummy; /* avoid empty struct :-( */ 106*5d5fbe79SDavid van Moolenbroek #endif /* !LWIP_TCPIP_CORE_LOCKING */ 107*5d5fbe79SDavid van Moolenbroek }; 108*5d5fbe79SDavid van Moolenbroek typedef err_t (*tcpip_api_call_fn)(struct tcpip_api_call_data* call); 109*5d5fbe79SDavid van Moolenbroek err_t tcpip_api_call(tcpip_api_call_fn fn, struct tcpip_api_call_data *call); 110*5d5fbe79SDavid van Moolenbroek 111*5d5fbe79SDavid van Moolenbroek enum tcpip_msg_type { 112*5d5fbe79SDavid van Moolenbroek TCPIP_MSG_API, 113*5d5fbe79SDavid van Moolenbroek TCPIP_MSG_API_CALL, 114*5d5fbe79SDavid van Moolenbroek TCPIP_MSG_INPKT, 115*5d5fbe79SDavid van Moolenbroek #if LWIP_TCPIP_TIMEOUT && LWIP_TIMERS 116*5d5fbe79SDavid van Moolenbroek TCPIP_MSG_TIMEOUT, 117*5d5fbe79SDavid van Moolenbroek TCPIP_MSG_UNTIMEOUT, 118*5d5fbe79SDavid van Moolenbroek #endif /* LWIP_TCPIP_TIMEOUT && LWIP_TIMERS */ 119*5d5fbe79SDavid van Moolenbroek TCPIP_MSG_CALLBACK, 120*5d5fbe79SDavid van Moolenbroek TCPIP_MSG_CALLBACK_STATIC 121*5d5fbe79SDavid van Moolenbroek }; 122*5d5fbe79SDavid van Moolenbroek 123*5d5fbe79SDavid van Moolenbroek struct tcpip_msg { 124*5d5fbe79SDavid van Moolenbroek enum tcpip_msg_type type; 125*5d5fbe79SDavid van Moolenbroek union { 126*5d5fbe79SDavid van Moolenbroek struct { 127*5d5fbe79SDavid van Moolenbroek tcpip_callback_fn function; 128*5d5fbe79SDavid van Moolenbroek void* msg; 129*5d5fbe79SDavid van Moolenbroek } api_msg; 130*5d5fbe79SDavid van Moolenbroek struct { 131*5d5fbe79SDavid van Moolenbroek tcpip_api_call_fn function; 132*5d5fbe79SDavid van Moolenbroek struct tcpip_api_call_data *arg; 133*5d5fbe79SDavid van Moolenbroek sys_sem_t *sem; 134*5d5fbe79SDavid van Moolenbroek } api_call; 135*5d5fbe79SDavid van Moolenbroek struct { 136*5d5fbe79SDavid van Moolenbroek struct pbuf *p; 137*5d5fbe79SDavid van Moolenbroek struct netif *netif; 138*5d5fbe79SDavid van Moolenbroek netif_input_fn input_fn; 139*5d5fbe79SDavid van Moolenbroek } inp; 140*5d5fbe79SDavid van Moolenbroek struct { 141*5d5fbe79SDavid van Moolenbroek tcpip_callback_fn function; 142*5d5fbe79SDavid van Moolenbroek void *ctx; 143*5d5fbe79SDavid van Moolenbroek } cb; 144*5d5fbe79SDavid van Moolenbroek #if LWIP_TCPIP_TIMEOUT && LWIP_TIMERS 145*5d5fbe79SDavid van Moolenbroek struct { 146*5d5fbe79SDavid van Moolenbroek u32_t msecs; 147*5d5fbe79SDavid van Moolenbroek sys_timeout_handler h; 148*5d5fbe79SDavid van Moolenbroek void *arg; 149*5d5fbe79SDavid van Moolenbroek } tmo; 150*5d5fbe79SDavid van Moolenbroek #endif /* LWIP_TCPIP_TIMEOUT && LWIP_TIMERS */ 151*5d5fbe79SDavid van Moolenbroek } msg; 152*5d5fbe79SDavid van Moolenbroek }; 153*5d5fbe79SDavid van Moolenbroek 154*5d5fbe79SDavid van Moolenbroek #ifdef __cplusplus 155*5d5fbe79SDavid van Moolenbroek } 156*5d5fbe79SDavid van Moolenbroek #endif 157*5d5fbe79SDavid van Moolenbroek 158*5d5fbe79SDavid van Moolenbroek #endif /* !NO_SYS */ 159*5d5fbe79SDavid van Moolenbroek 160*5d5fbe79SDavid van Moolenbroek #endif /* LWIP_HDR_TCPIP_PRIV_H */ 161