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Add netdev_foreach()
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@439 42af7a65-404d-4744-a932-0658087f49c3
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patacongo
parent
4bd249117a
commit
15c9ab962a
3 changed files with 129 additions and 4 deletions
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@ -112,6 +112,11 @@ struct socketlist
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typedef uint16 sockopt_t;
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/* Callback from netdev_foreach() */
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struct uip_driver_s; /* Forward reference. See net/uip/uip-arch.h */
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typedef int (*netdev_callback_t)(FAR struct uip_driver_s *dev, void *arg);
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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@ -148,16 +153,20 @@ EXTERN int net_close(int sockfd);
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struct ifreq; /* Forward reference -- see net/ioctls.h */
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EXTERN int netdev_ioctl(int sockfd, int cmd, struct ifreq *req);
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/* net-register.c ************************************************************/
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/* netdev-register.c *********************************************************/
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/* This function is called by network interface device drivers to inform the
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* socket layer of their existence. This registration is necesary to support
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* ioctl() operations on network devices to, for example, set MAC and IP
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* addresses
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*/
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struct uip_driver_s; /* Forward reference. See net/uip/uip-arch.h */
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EXTERN int netdev_register(FAR struct uip_driver_s *dev);
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/* net-foreach.c ************************************************************/
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/* Enumerates all registered network devices */
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EXTERN int netdev_foreach(netdev_callback_t callback, void *arg);
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#undef EXTERN
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#ifdef __cplusplus
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}
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@ -1,5 +1,5 @@
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############################################################################
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# Makefile
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# net/Makefile
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#
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# Copyright (C) 2007 Gregory Nutt. All rights reserved.
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# Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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@ -56,7 +56,8 @@ endif
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NETDEV_ASRCS =
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NETDEV_CSRCS = netdev-register.c netdev-ioctl.c netdev-txnotify.c \
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netdev-findbyname.c netdev-findbyaddr.c netdev-count.c
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netdev-findbyname.c netdev-findbyaddr.c netdev-count.c \
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netdev-foreach.c
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include uip/Make.defs
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endif
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115
net/netdev-foreach.c
Normal file
115
net/netdev-foreach.c
Normal file
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@ -0,0 +1,115 @@
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/****************************************************************************
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* net/netdev-foreach.c
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*
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* Copyright (C) 2007 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#if defined(CONFIG_NET) && CONFIG_NSOCKET_DESCRIPTORS > 0
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#include <sys/types.h>
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#include <debug.h>
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#include <nuttx/net.h>
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#include <net/uip/uip-arch.h>
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#include "net-internal.h"
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/****************************************************************************
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* Definitions
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****************************************************************************/
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/****************************************************************************
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* Priviate Types
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****************************************************************************/
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/****************************************************************************
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* Private Data
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****************************************************************************/
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/****************************************************************************
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* Public Data
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****************************************************************************/
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Global Functions
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****************************************************************************/
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/****************************************************************************
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* Function: netdev_foreach
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*
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* Description:
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* Enumerate each registered network device.
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*
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* NOTE: netdev semaphore held throughout enumeration.
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*
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* Parameters:
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* callback - Will be called for each registered device
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* arg - User argument passed to callback()
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*
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* Returned Value:
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* 0:Enumeration completed 1:Enumeration terminated early by callback
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*
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* Assumptions:
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* Called from normal user mode
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*
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****************************************************************************/
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int netdev_foreach(netdev_callback_t callback, void *arg)
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{
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struct uip_driver_s *dev;
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int ret = 0;
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if (callback)
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{
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netdev_semtake();
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for (dev = g_netdevices; dev; dev = dev->flink)
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{
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if (callback(dev, arg) != 0)
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{
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ret = 1;
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break;
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}
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}
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netdev_semgive();
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}
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return ret;
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}
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#endif /* CONFIG_NET && CONFIG_NSOCKET_DESCRIPTORS */
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