diff options
Diffstat (limited to 'nuttx/net/netdev_findbyaddr.c')
-rw-r--r-- | nuttx/net/netdev_findbyaddr.c | 130 |
1 files changed, 0 insertions, 130 deletions
diff --git a/nuttx/net/netdev_findbyaddr.c b/nuttx/net/netdev_findbyaddr.c deleted file mode 100644 index e8083e4d0..000000000 --- a/nuttx/net/netdev_findbyaddr.c +++ /dev/null @@ -1,130 +0,0 @@ -/**************************************************************************** - * net/netdev_findbyaddr.c - * - * Copyright (C) 2007-2009 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <gnutt@nuttx.org> - * - * 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. Neither the name NuttX nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "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 - * COPYRIGHT OWNER OR CONTRIBUTORS 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. - * - ****************************************************************************/ - -/**************************************************************************** - * Included Files - ****************************************************************************/ - -#include <nuttx/config.h> -#if defined(CONFIG_NET) && CONFIG_NSOCKET_DESCRIPTORS > 0 - -#include <stdbool.h> -#include <string.h> -#include <errno.h> -#include <debug.h> - -#include <nuttx/net/uip/uip-arch.h> - -#include "net_internal.h" - -/**************************************************************************** - * Pre-processor Definitions - ****************************************************************************/ - -/**************************************************************************** - * Priviate Types - ****************************************************************************/ - -/**************************************************************************** - * Private Data - ****************************************************************************/ - -/**************************************************************************** - * Public Data - ****************************************************************************/ - -/**************************************************************************** - * Private Functions - ****************************************************************************/ - -/**************************************************************************** - * Function: netdev_maskcmp - ****************************************************************************/ - -static inline bool netdev_maskcmp(const uip_ipaddr_t *ipaddr, - const uip_ipaddr_t *raddr, - const uip_ipaddr_t *netmask) -{ -#ifndef CONFIG_NET_IPv6 - return (*ipaddr & *netmask) == (*raddr & *netmask); -#else -# warning "Not implemented for IPv6" - return false; -#endif -} - -/**************************************************************************** - * Global Functions - ****************************************************************************/ - -/**************************************************************************** - * Function: netdev_findbyaddr - * - * Description: - * Find a previously registered network device by matching a remote address - * with the subnet served by the device - * - * Parameters: - * raddr - Pointer to the remote address of a connection - * - * Returned Value: - * Pointer to driver on success; null on failure - * - * Assumptions: - * Called from normal user mode - * - ****************************************************************************/ - -FAR struct uip_driver_s *netdev_findbyaddr(const uip_ipaddr_t *raddr) -{ - struct uip_driver_s *dev; - - if (raddr) - { - netdev_semtake(); - for (dev = g_netdevices; dev; dev = dev->flink) - { - if (netdev_maskcmp(&dev->d_ipaddr, raddr, &dev->d_netmask)) - { - netdev_semgive(); - return dev; - } - } - netdev_semgive(); - } - return NULL; -} - -#endif /* CONFIG_NET && CONFIG_NSOCKET_DESCRIPTORS */ |