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authorLorenz Meier <lm@inf.ethz.ch>2013-06-01 01:04:32 +0200
committerLorenz Meier <lm@inf.ethz.ch>2013-06-01 01:04:32 +0200
commit5375bb5b86e266157ceceef08c367da711b8144e (patch)
tree88bc81cab11d8f0b2b6f9391f803051c081b2ecb /nuttx/net/uip/uip_mcastmac.c
parent27ee36b2049167a1272122548fe61aa2993d79c1 (diff)
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Cleanup, WIP, needs a NuttX checkout to Firmware/NuttX now
Diffstat (limited to 'nuttx/net/uip/uip_mcastmac.c')
-rw-r--r--nuttx/net/uip/uip_mcastmac.c132
1 files changed, 0 insertions, 132 deletions
diff --git a/nuttx/net/uip/uip_mcastmac.c b/nuttx/net/uip/uip_mcastmac.c
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-/****************************************************************************
- * net/uip/uip_mcastmac.c
- *
- * Copyright (C) 2010 Gregory Nutt. All rights reserved.
- * Author: Gregory Nutt <gnutt@nuttx.org>
- *
- * The NuttX implementation of IGMP was inspired by the IGMP add-on for the
- * lwIP TCP/IP stack by Steve Reynolds:
- *
- * Copyright (c) 2002 CITEL Technologies Ltd.
- * All rights reserved.
- *
- * 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 of CITEL Technologies Ltd 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 CITEL TECHNOLOGIES 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 CITEL TECHNOLOGIES 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>
-
-#include <assert.h>
-#include <debug.h>
-
-#include <nuttx/net/uip/uipopt.h>
-#include <nuttx/net/uip/uip.h>
-
-#include "uip_internal.h"
-
-#ifdef CONFIG_NET_IGMP
-
-/****************************************************************************
- * Pre-processor Definitions
- ****************************************************************************/
-
-/****************************************************************************
- * Private Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Name: uip_mcastmac
- *
- * Description:
- * Given an IP address (in network order), create a IGMP multicast MAC
- * address.
- *
- ****************************************************************************/
-
-static void uip_mcastmac(uip_ipaddr_t *ip, FAR uint8_t *mac)
-{
- /* This mapping is from the IETF IN RFC 1700 */
-
- mac[0] = 0x01;
- mac[1] = 0x00;
- mac[2] = 0x5e;
- mac[3] = ip4_addr2(*ip) & 0x7f;
- mac[4] = ip4_addr3(*ip);
- mac[5] = ip4_addr4(*ip);
-
- nvdbg("IP: %08x -> MAC: %02x%02x%02x%02x%02x%02x\n",
- *ip, mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
-}
-
-/****************************************************************************
- * Public Functions
- ****************************************************************************/
-
-/****************************************************************************
- * Name: uip_addmcastmac
- *
- * Description:
- * Add an IGMP MAC address to the device's MAC filter table.
- *
- ****************************************************************************/
-
-void uip_addmcastmac(FAR struct uip_driver_s *dev, FAR uip_ipaddr_t *ip)
-{
- uint8_t mcastmac[6];
-
- nvdbg("Adding: IP %08x\n", *ip);
- if (dev->d_addmac)
- {
- uip_mcastmac(ip, mcastmac);
- dev->d_addmac(dev, mcastmac);
- }
-}
-
-/****************************************************************************
- * Name: uip_removemcastmac
- *
- * Description:
- * Remove an IGMP MAC address from the device's MAC filter table.
- *
- ****************************************************************************/
-
-void uip_removemcastmac(FAR struct uip_driver_s *dev, FAR uip_ipaddr_t *ip)
-{
- uint8_t mcastmac[6];
-
- nvdbg("Removing: IP %08x\n", *ip);
- if (dev->d_rmmac)
- {
- uip_mcastmac(ip, mcastmac);
- dev->d_rmmac(dev, mcastmac);
- }
-}
-
-#endif /* CONFIG_NET_IGMP */