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opt.h, tcpip.h, tcpip.c, netifapi.h, netifapi.c: New configuration option LWIP_NETIF_API allow to use thread-safe functions to add/remove netif in list, and to start/stop dhcp clients, using new functions from netifapi.h. Disable as default (no port change to do).

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This commit is contained in:
fbernon
2007-04-06 10:09:24 +00:00
parent 787eecbf43
commit 35893e36dd
6 changed files with 258 additions and 6 deletions
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87
src/include/lwip/netifapi.h Normal file
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@@ -0,0 +1,87 @@
/*
* 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.
*
*/
#ifndef __LWIP_NETIFAPI_H__
#define __LWIP_NETIFAPI_H__
#include "lwip/opt.h"
#include "lwip/sys.h"
#include "lwip/netif.h"
#include "lwip/dhcp.h"
#if LWIP_NETIF_API
enum netifapi_msg_type {
NETIFAPI_MSG_NETIF_ADD,
NETIFAPI_MSG_NETIF_REMOVE,
#if LWIP_DHCP
NETIFAPI_MSG_DHCP_START,
NETIFAPI_MSG_DHCP_STOP
#endif /* LWIP_DHCP */
};
struct netifapi_msg {
enum netifapi_msg_type type;
sys_sem_t sem;
err_t err;
struct netif *netif;
union {
struct {
struct ip_addr *ipaddr;
struct ip_addr *netmask;
struct ip_addr *gw;
void *state;
err_t (* init)(struct netif *netif);
err_t (* input)(struct pbuf *p, struct netif *netif);
} add;
} msg;
};
/* API for application */
err_t netifapi_netif_add ( struct netif *netif,
struct ip_addr *ipaddr,
struct ip_addr *netmask,
struct ip_addr *gw,
void *state,
err_t (* init)(struct netif *netif),
err_t (* input)(struct pbuf *p, struct netif *netif) );
err_t netifapi_netif_remove( struct netif *netif);
err_t netifapi_dhcp_start ( struct netif *netif);
err_t netifapi_dhcp_stop ( struct netif *netif);
/* API for tcpip_thread */
void netifapi_msg_input(struct netifapi_msg *msg);
err_t netifapi_msg_post (struct netifapi_msg *msg);
#endif /* LWIP_NETIF_API */
#endif /* __LWIP_NETIFAPI_H__ */

5
src/include/lwip/opt.h
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@@ -393,6 +393,11 @@ a lot of data that needs to be copied, this should be set high. */
#define LWIP_NETIF_HOSTNAME 0
#endif
/* Support network interface API */
#ifndef LWIP_NETIF_API
#define LWIP_NETIF_API 0
#endif
/* Support network interface callbacks */
#ifndef LWIP_NETIF_CALLBACK
#define LWIP_NETIF_CALLBACK 0

12
src/include/lwip/tcpip.h
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@@ -33,6 +33,7 @@
#define __LWIP_TCPIP_H__
#include "lwip/api_msg.h"
#include "lwip/netifapi.h"
#include "lwip/pbuf.h"
void tcpip_init(void (* tcpip_init_done)(void *), void *arg);
@@ -43,10 +44,11 @@ err_t tcpip_input(struct pbuf *p, struct netif *inp);
#if ETHARP_TCPIP_ETHINPUT
err_t tcpip_ethinput(struct pbuf *p, struct netif *inp);
#endif /* ETHARP_TCPIP_ETHINPUT */
#if LWIP_NETIF_API
err_t tcpip_netifapi(struct netifapi_msg* netifapimsg);
#endif /* LWIP_NETIF_API */
err_t tcpip_callback(void (*f)(void *ctx), void *ctx);
void tcpip_tcp_timer_needed(void);
enum tcpip_msg_type {
TCPIP_MSG_API,
#if ETHARP_TCPIP_INPUT
@@ -55,6 +57,9 @@ enum tcpip_msg_type {
#if ETHARP_TCPIP_ETHINPUT
TCPIP_MSG_ETHINPUT,
#endif /* ETHARP_TCPIP_ETHINPUT */
#if LWIP_NETIF_API
TCPIP_MSG_NETIFAPI,
#endif /* LWIP_NETIF_API */
TCPIP_MSG_CALLBACK
};
@@ -63,6 +68,9 @@ struct tcpip_msg {
sys_sem_t *sem;
union {
struct api_msg *apimsg;
#if LWIP_NETIF_API
struct netifapi_msg *netifapimsg;
#endif /* LWIP_NETIF_API */
struct {
struct pbuf *p;
struct netif *netif;