161 lines
4.7 KiB
C
161 lines
4.7 KiB
C
/**
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* @file
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* Network Interface Sequential API module
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*
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*/
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/*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* This file is part of the lwIP TCP/IP stack.
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*
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*/
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#include "lwip/opt.h"
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#if LWIP_NETIF_API /* don't build if not configured for use in lwipopts.h */
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#include "lwip/netifapi.h"
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#include "lwip/tcpip.h"
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/**
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* Call netif_add() inside the tcpip_thread context.
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*/
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static void
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netifapi_do_netif_add(struct netifapi_msg_msg *msg)
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{
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if (!netif_add( msg->netif,
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msg->msg.add.ipaddr,
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msg->msg.add.netmask,
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msg->msg.add.gw,
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msg->msg.add.state,
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msg->msg.add.init,
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msg->msg.add.input)) {
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msg->err = ERR_IF;
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} else {
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msg->err = ERR_OK;
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}
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TCPIP_NETIFAPI_ACK(msg);
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}
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/**
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* Call netif_set_addr() inside the tcpip_thread context.
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*/
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static void
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netifapi_do_netif_set_addr(struct netifapi_msg_msg *msg)
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{
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netif_set_addr( msg->netif,
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msg->msg.add.ipaddr,
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msg->msg.add.netmask,
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msg->msg.add.gw);
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msg->err = ERR_OK;
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TCPIP_NETIFAPI_ACK(msg);
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}
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/**
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* Call the "errtfunc" (or the "voidfunc" if "errtfunc" is NULL) inside the
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* tcpip_thread context.
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*/
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static void
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netifapi_do_netif_common(struct netifapi_msg_msg *msg)
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{
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if (msg->msg.common.errtfunc != NULL) {
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msg->err = msg->msg.common.errtfunc(msg->netif);
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} else {
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msg->err = ERR_OK;
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msg->msg.common.voidfunc(msg->netif);
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}
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TCPIP_NETIFAPI_ACK(msg);
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}
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/**
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* Call netif_add() in a thread-safe way by running that function inside the
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* tcpip_thread context.
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*
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* @note for params @see netif_add()
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*/
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err_t
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netifapi_netif_add(struct netif *netif,
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ip_addr_t *ipaddr,
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ip_addr_t *netmask,
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ip_addr_t *gw,
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void *state,
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netif_init_fn init,
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netif_input_fn input)
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{
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struct netifapi_msg msg;
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msg.function = netifapi_do_netif_add;
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msg.msg.netif = netif;
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msg.msg.msg.add.ipaddr = ipaddr;
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msg.msg.msg.add.netmask = netmask;
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msg.msg.msg.add.gw = gw;
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msg.msg.msg.add.state = state;
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msg.msg.msg.add.init = init;
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msg.msg.msg.add.input = input;
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TCPIP_NETIFAPI(&msg);
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return msg.msg.err;
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}
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/**
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* Call netif_set_addr() in a thread-safe way by running that function inside the
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* tcpip_thread context.
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*
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* @note for params @see netif_set_addr()
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*/
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err_t
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netifapi_netif_set_addr(struct netif *netif,
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ip_addr_t *ipaddr,
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ip_addr_t *netmask,
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ip_addr_t *gw)
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{
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struct netifapi_msg msg;
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msg.function = netifapi_do_netif_set_addr;
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msg.msg.netif = netif;
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msg.msg.msg.add.ipaddr = ipaddr;
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msg.msg.msg.add.netmask = netmask;
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msg.msg.msg.add.gw = gw;
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TCPIP_NETIFAPI(&msg);
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return msg.msg.err;
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}
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/**
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* call the "errtfunc" (or the "voidfunc" if "errtfunc" is NULL) in a thread-safe
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* way by running that function inside the tcpip_thread context.
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*
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* @note use only for functions where there is only "netif" parameter.
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*/
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err_t
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netifapi_netif_common(struct netif *netif, netifapi_void_fn voidfunc,
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netifapi_errt_fn errtfunc)
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{
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struct netifapi_msg msg;
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msg.function = netifapi_do_netif_common;
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msg.msg.netif = netif;
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msg.msg.msg.common.voidfunc = voidfunc;
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msg.msg.msg.common.errtfunc = errtfunc;
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TCPIP_NETIFAPI(&msg);
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return msg.msg.err;
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}
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#endif /* LWIP_NETIF_API */
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