abf6965c24
libs/: Remove references to CONFIG_DISABLE_SIGNALS. Signals can no longer be disabled.
syscall/: Remove references to CONFIG_DISABLE_SIGNALS. Signals can no longer be disabled.
wireless/: Remove references to CONFIG_DISABLE_SIGNALS. Signals can no longer be disabled.
Documentation/: Remove references to CONFIG_DISABLE_SIGNALS. Signals can no longer be disabled.
include/: Remove references to CONFIG_DISABLE_SIGNALS. Signals can no longer be disabled.
drivers/: Remove references to CONFIG_DISABLE_SIGNALS. Signals can no longer be disabled.
sched/: Remove references to CONFIG_DISABLE_SIGNALS. Signals can no longer be disabled.
configs: Remove references to CONFIG_DISABLE_SIGNALS. Signals can no longer be disabled.
arch/xtensa: Remove references to CONFIG_DISABLE_SIGNALS. Signals can no longer be disabled.
arch/z80: Remove references to CONFIG_DISABLE_SIGNALS. Signals can no longer be disabled.
arch/x86: Remove references to CONFIG_DISABLE_SIGNALS. Signals can no longer be disabled.
arch/renesas and arch/risc-v: Remove references to CONFIG_DISABLE_SIGNALS. Signals can no longer be disabled.
arch/or1k: Remove all references to CONFIG_DISABLE_SIGNALS. Signals are always enabled.
arch/misoc: Remove all references to CONFIG_DISABLE_SIGNALS. Signals are always enabled.
arch/mips: Remove all references to CONFIG_DISABLE_SIGNALS. Signals are always enabled.
arch/avr: Remove all references to CONFIG_DISABLE_SIGNALS. Signals are always enabled.
arch/arm: Remove all references to CONFIG_DISABLE_SIGNALS. Signals are always enabled.
1451 lines
44 KiB
C
1451 lines
44 KiB
C
/****************************************************************************
|
|
* wireless/ieee802154/mac802154_netdev.c
|
|
*
|
|
* Copyright (C) 2017-2018 Gregory Nutt. All rights reserved.
|
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* 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
|
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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
|
|
* "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>
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|
|
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#include <stdint.h>
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|
#include <stdbool.h>
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|
#include <time.h>
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|
#include <string.h>
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|
#include <errno.h>
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|
#include <assert.h>
|
|
#include <debug.h>
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|
|
|
#include <arpa/inet.h>
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|
|
|
#include <nuttx/arch.h>
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|
#include <nuttx/irq.h>
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|
#include <nuttx/kmalloc.h>
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|
#include <nuttx/signal.h>
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|
#include <nuttx/wdog.h>
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|
#include <nuttx/wqueue.h>
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|
#include <nuttx/mm/iob.h>
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|
#include <nuttx/net/arp.h>
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|
#include <nuttx/net/netdev.h>
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#include <nuttx/net/radiodev.h>
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#include <nuttx/net/ieee802154.h>
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#include <nuttx/net/sixlowpan.h>
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#include <nuttx/wireless/ieee802154/ieee802154_mac.h>
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|
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#include "mac802154.h"
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|
|
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#if defined(CONFIG_NET_6LOWPAN) || defined(CONFIG_NET_IEEE802154)
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|
|
|
/****************************************************************************
|
|
* Pre-processor Definitions
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|
****************************************************************************/
|
|
|
|
/* If processing is not done at the interrupt level, then work queue support
|
|
* is required.
|
|
*/
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|
|
|
#if !defined(CONFIG_SCHED_WORKQUEUE)
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# error Work queue support is required in this configuration (CONFIG_SCHED_WORKQUEUE)
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#endif
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|
|
|
/* The low priority work queue is preferred. If it is not enabled, LPWORK
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* will be the same as HPWORK.
|
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*
|
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* NOTE: However, the network should NEVER run on the high priority work
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* queue! That queue is intended only to service short back end interrupt
|
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* processing that never suspends. Suspending the high priority work queue
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* may bring the system to its knees!
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*/
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#define WPANWORK LPWORK
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|
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/* CONFIG_IEEE802154_NETDEV_NINTERFACES determines the number of physical interfaces
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* that will be supported.
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*/
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#ifndef CONFIG_IEEE802154_NETDEV_NINTERFACES
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# define CONFIG_IEEE802154_NETDEV_NINTERFACES 1
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#endif
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|
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/* Preferred address size */
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|
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#ifdef CONFIG_NET_6LOWPAN_EXTENDEDADDR
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# define MACNET_ADDRSIZE IEEE802154_EADDRSIZE
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#else
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# define MACNET_ADDRSIZE IEEE802154_SADDRSIZE
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#endif
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|
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/* Frame size */
|
|
|
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#if defined(CONFIG_NET_IEEE802154_FRAMELEN)
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# define MACNET_FRAMELEN CONFIG_NET_IEEE802154_FRAMELEN
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#else
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# define MACNET_FRAMELEN IEEE802154_MAX_PHY_PACKET_SIZE
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#endif
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|
|
|
/* TX poll delay = 1 seconds. CLK_TCK is the number of clock ticks per second */
|
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|
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#define TXPOLL_WDDELAY (1*CLK_TCK)
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|
|
/****************************************************************************
|
|
* Private Types
|
|
****************************************************************************/
|
|
|
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/* This is our private version of the MAC callback structure */
|
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|
|
struct macnet_callback_s
|
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{
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/* This holds the information visible to the MAC layer */
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|
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struct mac802154_maccb_s mc_cb; /* Interface understood by the MAC layer */
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FAR struct macnet_driver_s *mc_priv; /* Our priv data */
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};
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|
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/* The macnet_driver_s encapsulates all state information for a single
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* IEEE802.15.4 MAC interface.
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*/
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struct macnet_driver_s
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{
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/* This holds the information visible to the NuttX network */
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struct radio_driver_s md_dev; /* Interface understood by the network */
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/* Cast compatible with struct macnet_driver_s */
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/* For internal use by this driver */
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sem_t md_exclsem; /* Exclusive access to struct */
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struct macnet_callback_s md_cb; /* Callback information */
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MACHANDLE md_mac; /* Contained MAC interface */
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bool md_bifup; /* true:ifup false:ifdown */
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WDOG_ID md_txpoll; /* TX poll timer */
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struct work_s md_pollwork; /* Defer poll work to the work queue */
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|
|
/* Hold a list of events */
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|
|
|
bool md_enableevents : 1; /* Are events enabled? */
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bool md_eventpending : 1; /* Is there a get event using the semaphore? */
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sem_t md_eventsem; /* Signaling semaphore for waiting get event */
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sq_queue_t primitive_queue; /* For holding primitives to pass along */
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/* MAC Service notification information */
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bool md_notify_registered;
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pid_t md_notify_pid;
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struct sigevent md_notify_event;
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struct sigwork_s md_notify_work;
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};
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|
|
/****************************************************************************
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* Private Function Prototypes
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|
****************************************************************************/
|
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/* Utility functions ********************************************************/
|
|
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|
static int macnet_advertise(FAR struct net_driver_s *dev);
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static inline void macnet_netmask(FAR struct net_driver_s *dev);
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|
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/* IEE802.15.4 MAC callback functions ***************************************/
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static int macnet_notify(FAR struct mac802154_maccb_s *maccb,
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FAR struct ieee802154_primitive_s *primitive);
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static int macnet_rxframe(FAR struct macnet_driver_s *maccb,
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FAR struct ieee802154_data_ind_s *ind);
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/* Network interface support ************************************************/
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/* Common TX logic */
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static int macnet_txpoll_callback(FAR struct net_driver_s *dev);
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static void macnet_txpoll_work(FAR void *arg);
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static void macnet_txpoll_expiry(int argc, wdparm_t arg, ...);
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/* IOCTL support */
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#ifdef CONFIG_NET_STARPOINT
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#ifdef CONFIG_NET_6LOWPAN_EXTENDEDADDR
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static int macnet_coord_eaddr(FAR struct radio_driver_s *radio,
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FAR uint8_t *eaddr);
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#else
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static int macnet_coord_saddr(FAR struct radio_driver_s *radio,
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FAR uint8_t *saddr);
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#endif
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#endif
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/* NuttX callback functions */
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static int macnet_ifup(FAR struct net_driver_s *dev);
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static int macnet_ifdown(FAR struct net_driver_s *dev);
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static void macnet_txavail_work(FAR void *arg);
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static int macnet_txavail(FAR struct net_driver_s *dev);
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|
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#ifdef CONFIG_NET_MCASTGROUP
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static int macnet_addmac(FAR struct net_driver_s *dev,
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FAR const uint8_t *mac);
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static int macnet_rmmac(FAR struct net_driver_s *dev,
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FAR const uint8_t *mac);
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#endif
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#ifdef CONFIG_NETDEV_IOCTL
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static int macnet_ioctl(FAR struct net_driver_s *dev, int cmd,
|
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unsigned long arg);
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|
#endif
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static int macnet_get_mhrlen(FAR struct radio_driver_s *netdev,
|
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FAR const void *meta);
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static int macnet_req_data(FAR struct radio_driver_s *netdev,
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FAR const void *meta, FAR struct iob_s *framelist);
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static int macnet_properties(FAR struct radio_driver_s *netdev,
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FAR struct radiodev_properties_s *properties);
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|
|
|
/****************************************************************************
|
|
* Private Data
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|
****************************************************************************/
|
|
|
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#ifdef CONFIG_NET_6LOWPAN
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static struct sixlowpan_reassbuf_s g_iobuffer;
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#endif
|
|
|
|
/****************************************************************************
|
|
* Private Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: macnet_advertise
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*
|
|
* Description:
|
|
* Advertise the MAC and IPv6 address for this node.
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*
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|
* Creates a MAC-based IP address from the IEEE 802.15.14 short or extended
|
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* address assigned to the node.
|
|
*
|
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* 128 112 96 80 64 48 32 16
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* ---- ---- ---- ---- ---- ---- ---- ----
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* fe80 0000 0000 0000 0000 00ff fe00 xxxx 2-byte short address IEEE 48-bit MAC
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* fe80 0000 0000 0000 xxxx xxxx xxxx xxxx 8-byte extended address IEEE EUI-64
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*
|
|
****************************************************************************/
|
|
|
|
static int macnet_advertise(FAR struct net_driver_s *dev)
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{
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FAR struct macnet_driver_s *priv;
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union ieee802154_macarg_u arg;
|
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int ret;
|
|
|
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#ifdef CONFIG_NET_6LOWPAN_EXTENDEDADDR
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uint8_t *eaddr;
|
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DEBUGASSERT(dev != NULL && dev->d_private != NULL);
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priv = (FAR struct macnet_driver_s *)dev->d_private;
|
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|
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/* Get the eaddr from the MAC */
|
|
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arg.getreq.attr = IEEE802154_ATTR_MAC_EADDR;
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ret = mac802154_ioctl(priv->md_mac, MAC802154IOC_MLME_GET_REQUEST,
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(unsigned long)((uintptr_t)&arg));
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if (ret < 0)
|
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{
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wlerr("ERROR: MAC802154IOC_MLME_GET_REQUEST failed: %d\n", ret);
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return ret;
|
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}
|
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else
|
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{
|
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/* Set the MAC address as the eaddr */
|
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|
|
eaddr = arg.getreq.attrval.mac.eaddr;
|
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|
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/* Network layers expect address in Network Order (Big Endian) */
|
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|
|
dev->d_mac.radio.nv_addr[0] = eaddr[7];
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dev->d_mac.radio.nv_addr[1] = eaddr[6];
|
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dev->d_mac.radio.nv_addr[2] = eaddr[5];
|
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dev->d_mac.radio.nv_addr[3] = eaddr[4];
|
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dev->d_mac.radio.nv_addr[4] = eaddr[3];
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dev->d_mac.radio.nv_addr[5] = eaddr[2];
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dev->d_mac.radio.nv_addr[6] = eaddr[1];
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dev->d_mac.radio.nv_addr[7] = eaddr[0];
|
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|
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dev->d_mac.radio.nv_addrlen = IEEE802154_EADDRSIZE;
|
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|
|
/* Set the IP address based on the eaddr */
|
|
|
|
dev->d_ipv6addr[0] = HTONS(0xfe80);
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dev->d_ipv6addr[1] = 0;
|
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dev->d_ipv6addr[2] = 0;
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dev->d_ipv6addr[3] = 0;
|
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dev->d_ipv6addr[4] = HTONS((uint16_t)eaddr[7] << 8 | (uint16_t)eaddr[6]);
|
|
dev->d_ipv6addr[5] = HTONS((uint16_t)eaddr[5] << 8 | (uint16_t)eaddr[4]);
|
|
dev->d_ipv6addr[6] = HTONS((uint16_t)eaddr[3] << 8 | (uint16_t)eaddr[2]);
|
|
dev->d_ipv6addr[7] = HTONS((uint16_t)eaddr[1] << 8 | (uint16_t)eaddr[0]);
|
|
|
|
/* Invert the U/L bit */
|
|
|
|
dev->d_ipv6addr[4] ^= HTONS(0x0200);
|
|
return OK;
|
|
}
|
|
|
|
#else
|
|
uint8_t *saddr;
|
|
|
|
DEBUGASSERT(dev != NULL && dev->d_private != NULL);
|
|
priv = (FAR struct macnet_driver_s *)dev->d_private;
|
|
|
|
/* Get the saddr from the MAC */
|
|
|
|
arg.getreq.attr = IEEE802154_ATTR_MAC_SADDR;
|
|
ret = mac802154_ioctl(priv->md_mac, MAC802154IOC_MLME_GET_REQUEST,
|
|
(unsigned long)((uintptr_t)&arg));
|
|
if (ret < 0)
|
|
{
|
|
wlerr("ERROR: MAC802154IOC_MLME_GET_REQUEST failed: %d\n", ret);
|
|
return ret;
|
|
}
|
|
else
|
|
{
|
|
/* Set the MAC address as the saddr */
|
|
|
|
saddr = arg.getreq.attrval.mac.saddr;
|
|
|
|
/* Network layers expect address in Network Order (Big Endian) */
|
|
|
|
dev->d_mac.radio.nv_addr[0] = saddr[1];
|
|
dev->d_mac.radio.nv_addr[1] = saddr[0];
|
|
|
|
dev->d_mac.radio.nv_addrlen = IEEE802154_SADDRSIZE;
|
|
|
|
/* Set the IP address based on the saddr */
|
|
|
|
dev->d_ipv6addr[0] = HTONS(0xfe80);
|
|
dev->d_ipv6addr[1] = 0;
|
|
dev->d_ipv6addr[2] = 0;
|
|
dev->d_ipv6addr[3] = 0;
|
|
dev->d_ipv6addr[4] = 0;
|
|
dev->d_ipv6addr[5] = HTONS(0x00ff);
|
|
dev->d_ipv6addr[6] = HTONS(0xfe00);
|
|
dev->d_ipv6addr[7] = HTONS((uint16_t)saddr[1] << 8 | (uint16_t)saddr[0]);
|
|
return OK;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: macnet_netmask
|
|
*
|
|
* Description:
|
|
* Create a netmask of a MAC-based IP address which may be based on either
|
|
* the IEEE 802.15.14 short or extended address of the MAC.
|
|
*
|
|
* 128 112 96 80 64 48 32 16
|
|
* ---- ---- ---- ---- ---- ---- ---- ----
|
|
* fe80 0000 0000 0000 0000 00ff fe00 xxxx 2-byte short address IEEE 48-bit MAC
|
|
* fe80 0000 0000 0000 xxxx xxxx xxxx xxxx 8-byte extended address IEEE EUI-64
|
|
*
|
|
****************************************************************************/
|
|
|
|
static inline void macnet_netmask(FAR struct net_driver_s *dev)
|
|
{
|
|
dev->d_ipv6netmask[0] = 0xffff;
|
|
dev->d_ipv6netmask[1] = 0xffff;
|
|
dev->d_ipv6netmask[2] = 0xffff;
|
|
dev->d_ipv6netmask[3] = 0xffff;
|
|
#ifdef CONFIG_NET_6LOWPAN_EXTENDEDADDR
|
|
dev->d_ipv6netmask[4] = 0;
|
|
dev->d_ipv6netmask[5] = 0;
|
|
dev->d_ipv6netmask[6] = 0;
|
|
dev->d_ipv6netmask[7] = 0;
|
|
#else
|
|
dev->d_ipv6netmask[4] = 0xffff;
|
|
dev->d_ipv6netmask[5] = 0xffff;
|
|
dev->d_ipv6netmask[6] = 0xffff;
|
|
dev->d_ipv6netmask[7] = 0;
|
|
#endif
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: macnet_notify
|
|
*
|
|
* Description:
|
|
*
|
|
****************************************************************************/
|
|
|
|
static int macnet_notify(FAR struct mac802154_maccb_s *maccb,
|
|
FAR struct ieee802154_primitive_s *primitive)
|
|
{
|
|
FAR struct macnet_callback_s *cb =
|
|
(FAR struct macnet_callback_s *)maccb;
|
|
FAR struct macnet_driver_s *priv;
|
|
|
|
DEBUGASSERT(cb != NULL && cb->mc_priv != NULL);
|
|
priv = cb->mc_priv;
|
|
|
|
/* Handle the special case for data indications or "incoming frames" */
|
|
|
|
if (primitive->type == IEEE802154_PRIMITIVE_IND_DATA)
|
|
{
|
|
return macnet_rxframe(priv, &primitive->u.dataind);
|
|
}
|
|
|
|
/* If there is a registered notification receiver, queue the event and signal
|
|
* the receiver. Events should be popped from the queue from the application
|
|
* at a reasonable rate in order for the MAC layer to be able to allocate new
|
|
* notifications.
|
|
*/
|
|
|
|
if (priv->md_enableevents)
|
|
{
|
|
/* Get exclusive access to the driver structure. We don't care about any
|
|
* signals so if we see one, just go back to trying to get access again
|
|
*/
|
|
|
|
while (nxsem_wait(&priv->md_exclsem) < 0);
|
|
|
|
sq_addlast((FAR sq_entry_t *)primitive, &priv->primitive_queue);
|
|
|
|
/* Check if there is a read waiting for data */
|
|
|
|
if (priv->md_eventpending)
|
|
{
|
|
/* Wake the thread waiting for the data transmission */
|
|
|
|
priv->md_eventpending = false;
|
|
nxsem_post(&priv->md_eventsem);
|
|
}
|
|
|
|
if (priv->md_notify_registered)
|
|
{
|
|
priv->md_notify_event.sigev_value.sival_int = primitive->type;
|
|
nxsig_notification(priv->md_notify_pid, &priv->md_notify_event,
|
|
SI_QUEUE, &priv->md_notify_work);
|
|
}
|
|
|
|
nxsem_post(&priv->md_exclsem);
|
|
return OK;
|
|
}
|
|
|
|
/* By returning a negative value, we let the MAC know that we don't want the
|
|
* primitive and it will free it for us
|
|
*/
|
|
|
|
return -1;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: macnet_rxframe
|
|
*
|
|
* Description:
|
|
* Handle received frames forward by the IEEE 802.15.4 MAC.
|
|
*
|
|
* Returned Value:
|
|
* Zero (OK) is returned on success; a negated errno value is returned on
|
|
* any failure. On success, the ind and its contained iob will be freed.
|
|
* The ind will be intact if this function returns a failure.
|
|
*
|
|
****************************************************************************/
|
|
|
|
static int macnet_rxframe(FAR struct macnet_driver_s *priv,
|
|
FAR struct ieee802154_data_ind_s *ind)
|
|
{
|
|
FAR struct iob_s *iob;
|
|
int ret;
|
|
|
|
/* Ignore the frame if the network is not up */
|
|
|
|
if (!priv->md_bifup)
|
|
{
|
|
wlwarn("WARNING: Dropped... Network is down\n");
|
|
return -ENETDOWN;
|
|
}
|
|
|
|
/* Peek the IOB contained the frame in the struct ieee802154_data_ind_s */
|
|
|
|
DEBUGASSERT(priv != NULL && ind != NULL && ind->frame != NULL);
|
|
iob = ind->frame;
|
|
|
|
/* Remove the IOB containing the frame. */
|
|
|
|
ind->frame = NULL;
|
|
|
|
net_lock();
|
|
|
|
/* Transfer the frame to the network logic */
|
|
|
|
#ifdef CONFIG_NET_IEEE802154
|
|
/* Invoke the PF_IEEE802154 tap first. If the frame matches
|
|
* with a connected PF_IEEE802145 socket, it will take the
|
|
* frame and return success.
|
|
*/
|
|
|
|
ret = ieee802154_input(&priv->md_dev, iob, (FAR void *)ind);
|
|
if (ret < 0)
|
|
#endif
|
|
#ifdef CONFIG_NET_6LOWPAN
|
|
{
|
|
/* If the frame is not a 6LoWPAN frame, then return an error. The
|
|
* first byte following the MAC head at the io_offset should be a
|
|
* valid IPHC header.
|
|
*/
|
|
|
|
if ((iob->io_data[iob->io_offset] & SIXLOWPAN_DISPATCH_NALP_MASK) ==
|
|
SIXLOWPAN_DISPATCH_NALP)
|
|
{
|
|
wlwarn("WARNING: Dropped... Not a 6LoWPAN frame: %02x\n",
|
|
iob->io_data[iob->io_offset]);
|
|
ret = -EINVAL;
|
|
}
|
|
else
|
|
{
|
|
/* Make sure the our single packet buffer is attached */
|
|
|
|
priv->md_dev.r_dev.d_buf = g_iobuffer.rb_buf;
|
|
|
|
/* And give the packet to 6LoWPAN */
|
|
|
|
ret = sixlowpan_input(&priv->md_dev, iob, (FAR void *)ind);
|
|
}
|
|
}
|
|
|
|
if (ret < 0)
|
|
#endif
|
|
{
|
|
net_unlock();
|
|
ind->frame = iob;
|
|
return ret;
|
|
}
|
|
|
|
/* Increment statistics */
|
|
|
|
NETDEV_RXPACKETS(&priv->md_dev.r_dev);
|
|
NETDEV_RXIPV6(&priv->md_dev.r_dev);
|
|
|
|
net_unlock();
|
|
|
|
/* sixlowpan_input() will free the IOB, but we must free the struct
|
|
* ieee802154_primitive_s container here.
|
|
*/
|
|
|
|
ieee802154_primitive_free((FAR struct ieee802154_primitive_s *)ind);
|
|
return OK;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: macnet_txpoll_callback
|
|
*
|
|
* Description:
|
|
* The transmitter is available, check if the network has any outgoing
|
|
* packets ready to send. This is a callback from devif_poll().
|
|
* devif_poll() may be called:
|
|
*
|
|
* 1. When the preceding TX packet send is complete,
|
|
* 2. When the preceding TX packet send timesout and the interface is reset
|
|
* 3. During normal TX polling
|
|
*
|
|
* Input Parameters:
|
|
* dev - Reference to the NuttX driver state structure
|
|
*
|
|
* Returned Value:
|
|
* OK on success; a negated errno on failure
|
|
*
|
|
* Assumptions:
|
|
* The network is locked.
|
|
*
|
|
****************************************************************************/
|
|
|
|
static int macnet_txpoll_callback(FAR struct net_driver_s *dev)
|
|
{
|
|
/* If zero is returned, the polling will continue until all connections have
|
|
* been examined.
|
|
*/
|
|
|
|
return 0;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: macnet_txpoll_work
|
|
*
|
|
* Description:
|
|
* Perform periodic polling from the worker thread
|
|
*
|
|
* Input Parameters:
|
|
* arg - The argument passed when work_queue() as called.
|
|
*
|
|
* Returned Value:
|
|
* OK on success
|
|
*
|
|
* Assumptions:
|
|
* The network is locked.
|
|
*
|
|
****************************************************************************/
|
|
|
|
static void macnet_txpoll_work(FAR void *arg)
|
|
{
|
|
FAR struct macnet_driver_s *priv = (FAR struct macnet_driver_s *)arg;
|
|
|
|
/* Lock the network and serialize driver operations if necessary.
|
|
* NOTE: Serialization is only required in the case where the driver work
|
|
* is performed on an LP worker thread and where more than one LP worker
|
|
* thread has been configured.
|
|
*/
|
|
|
|
net_lock();
|
|
|
|
#ifdef CONFIG_NET_6LOWPAN
|
|
/* Make sure the our single packet buffer is attached */
|
|
|
|
priv->md_dev.r_dev.d_buf = g_iobuffer.rb_buf;
|
|
#endif
|
|
|
|
/* Then perform the poll */
|
|
|
|
(void)devif_timer(&priv->md_dev.r_dev, macnet_txpoll_callback);
|
|
|
|
/* Setup the watchdog poll timer again */
|
|
|
|
(void)wd_start(priv->md_txpoll, TXPOLL_WDDELAY, macnet_txpoll_expiry, 1,
|
|
(wdparm_t)priv);
|
|
net_unlock();
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: macnet_txpoll_expiry
|
|
*
|
|
* Description:
|
|
* Periodic timer handler. Called from the timer interrupt handler.
|
|
*
|
|
* Input Parameters:
|
|
* argc - The number of available arguments
|
|
* arg - The first argument
|
|
*
|
|
* Returned Value:
|
|
* None
|
|
*
|
|
* Assumptions:
|
|
* Global interrupts are disabled by the watchdog logic.
|
|
*
|
|
****************************************************************************/
|
|
|
|
static void macnet_txpoll_expiry(int argc, wdparm_t arg, ...)
|
|
{
|
|
FAR struct macnet_driver_s *priv = (FAR struct macnet_driver_s *)arg;
|
|
|
|
/* Schedule to perform the interrupt processing on the worker thread. */
|
|
|
|
work_queue(WPANWORK, &priv->md_pollwork, macnet_txpoll_work, priv, 0);
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: macnet_coord_eaddr
|
|
*
|
|
* Description:
|
|
* Get the extended address of the PAN coordinator.
|
|
*
|
|
* Input Parameters:
|
|
* radio - Reference to a radio network driver state instance.
|
|
* eaddr - The location in which to return the extended address.
|
|
*
|
|
* Returned Value:
|
|
* Zero (OK) on success; a negated errno value on failure.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#if defined(CONFIG_NET_STARPOINT) && defined(CONFIG_NET_6LOWPAN_EXTENDEDADDR)
|
|
static int macnet_coord_eaddr(FAR struct radio_driver_s *radio,
|
|
FAR uint8_t *eaddr)
|
|
{
|
|
FAR struct macnet_driver_s *priv = (FAR struct macnet_driver_s *)radio;
|
|
union ieee802154_macarg_u arg;
|
|
int ret;
|
|
|
|
arg.getreq.attr = IEEE802154_ATTR_MAC_COORD_EADDR ;
|
|
ret = mac802154_ioctl(priv->md_mac, MAC802154IOC_MLME_GET_REQUEST,
|
|
(unsigned long)((uintptr_t)&arg));
|
|
if (ret < 0)
|
|
{
|
|
nerr("ERROR: MAC802154IOC_MLME_GET_REQUEST failed: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
IEEE802154_EADDRCOPY(eaddr, arg.getreq.attrval.mac.eaddr);
|
|
return OK;
|
|
}
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Name: macnet_coord_saddr
|
|
*
|
|
* Description:
|
|
* Get the short address of the PAN coordinator.
|
|
*
|
|
* Input Parameters:
|
|
* radio - Reference to a radio network driver state instance.
|
|
* saddr - The location in which to return the short address.
|
|
*
|
|
* Returned Value:
|
|
* Zero (OK) on success; a negated errno value on failure.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#if defined(CONFIG_NET_STARPOINT) && !defined(CONFIG_NET_6LOWPAN_EXTENDEDADDR)
|
|
static int macnet_coord_saddr(FAR struct radio_driver_s *radio,
|
|
FAR uint8_t *saddr)
|
|
{
|
|
FAR struct macnet_driver_s *priv = (FAR struct macnet_driver_s *)radio;
|
|
union ieee802154_macarg_u arg;
|
|
int ret;
|
|
|
|
arg.getreq.attr = IEEE802154_ATTR_MAC_COORD_SADDR ;
|
|
ret = mac802154_ioctl(priv->md_mac, MAC802154IOC_MLME_GET_REQUEST,
|
|
(unsigned long)((uintptr_t)&arg));
|
|
if (ret < 0)
|
|
{
|
|
nerr("ERROR: MAC802154IOC_MLME_GET_REQUEST failed: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
IEEE802154_SADDRCOPY(saddr, arg.getreq.attrval.mac.saddr);
|
|
return OK;
|
|
}
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Name: macnet_ifup
|
|
*
|
|
* Description:
|
|
* NuttX Callback: Bring up the IEEE 802.15.4 interface when an IP address
|
|
* is provided
|
|
*
|
|
* Input Parameters:
|
|
* dev - Reference to the NuttX driver state structure
|
|
*
|
|
* Returned Value:
|
|
* None
|
|
*
|
|
* Assumptions:
|
|
*
|
|
****************************************************************************/
|
|
|
|
static int macnet_ifup(FAR struct net_driver_s *dev)
|
|
{
|
|
FAR struct macnet_driver_s *priv =
|
|
(FAR struct macnet_driver_s *)dev->d_private;
|
|
int ret;
|
|
|
|
/* Set the IP address based on the addressing assigned to the node */
|
|
|
|
ret = macnet_advertise(dev);
|
|
if (ret >= 0)
|
|
{
|
|
wlinfo("Bringing up: %04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x\n",
|
|
dev->d_ipv6addr[0], dev->d_ipv6addr[1], dev->d_ipv6addr[2],
|
|
dev->d_ipv6addr[3], dev->d_ipv6addr[4], dev->d_ipv6addr[5],
|
|
dev->d_ipv6addr[6], dev->d_ipv6addr[7]);
|
|
|
|
#ifdef CONFIG_NET_6LOWPAN_EXTENDEDADDR
|
|
wlinfo(" Node: %02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x\n",
|
|
dev->d_mac.radio.nv_addr[0], dev->d_mac.radio.nv_addr[1],
|
|
dev->d_mac.radio.nv_addr[2], dev->d_mac.radio.nv_addr[3],
|
|
dev->d_mac.radio.nv_addr[4], dev->d_mac.radio.nv_addr[5],
|
|
dev->d_mac.radio.nv_addr[6], dev->d_mac.radio.nv_addr[7]);
|
|
#else
|
|
wlinfo(" Node: %02x:%02x\n",
|
|
dev->d_mac.radio.nv_addr[0], dev->d_mac.radio.nv_addr[1]);
|
|
#endif
|
|
|
|
/* Set and activate a timer process */
|
|
|
|
(void)wd_start(priv->md_txpoll, TXPOLL_WDDELAY, macnet_txpoll_expiry,
|
|
1, (wdparm_t)priv);
|
|
|
|
/* The interface is now up */
|
|
|
|
priv->md_bifup = true;
|
|
ret = OK;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: macnet_ifdown
|
|
*
|
|
* Description:
|
|
* NuttX Callback: Stop the interface.
|
|
*
|
|
* Input Parameters:
|
|
* dev - Reference to the NuttX driver state structure
|
|
*
|
|
* Returned Value:
|
|
* None
|
|
*
|
|
* Assumptions:
|
|
*
|
|
****************************************************************************/
|
|
|
|
static int macnet_ifdown(FAR struct net_driver_s *dev)
|
|
{
|
|
FAR struct macnet_driver_s *priv = (FAR struct macnet_driver_s *)dev->d_private;
|
|
irqstate_t flags;
|
|
|
|
/* Disable interruption */
|
|
|
|
flags = enter_critical_section();
|
|
|
|
/* Cancel the TX poll timer and TX timeout timers */
|
|
|
|
wd_cancel(priv->md_txpoll);
|
|
|
|
/* Put the EMAC in its reset, non-operational state. This should be
|
|
* a known configuration that will guarantee the macnet_ifup() always
|
|
* successfully brings the interface back up.
|
|
*/
|
|
|
|
/* Mark the device "down" */
|
|
|
|
priv->md_bifup = false;
|
|
leave_critical_section(flags);
|
|
return OK;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: macnet_txavail_work
|
|
*
|
|
* Description:
|
|
* Perform an out-of-cycle poll on the worker thread.
|
|
*
|
|
* Input Parameters:
|
|
* arg - Reference to the NuttX driver state structure (cast to void*)
|
|
*
|
|
* Returned Value:
|
|
* None
|
|
*
|
|
* Assumptions:
|
|
* Called on the higher priority worker thread.
|
|
*
|
|
****************************************************************************/
|
|
|
|
static void macnet_txavail_work(FAR void *arg)
|
|
{
|
|
FAR struct macnet_driver_s *priv = (FAR struct macnet_driver_s *)arg;
|
|
|
|
wlinfo("ifup=%u\n", priv->md_bifup);
|
|
|
|
/* Lock the network and serialize driver operations if necessary.
|
|
* NOTE: Serialization is only required in the case where the driver work
|
|
* is performed on an LP worker thread and where more than one LP worker
|
|
* thread has been configured.
|
|
*/
|
|
|
|
net_lock();
|
|
|
|
/* Ignore the notification if the interface is not yet up */
|
|
|
|
if (priv->md_bifup)
|
|
{
|
|
#ifdef CONFIG_NET_6LOWPAN
|
|
/* Make sure the our single packet buffer is attached */
|
|
|
|
priv->md_dev.r_dev.d_buf = g_iobuffer.rb_buf;
|
|
#endif
|
|
|
|
/* Then poll the network for new XMIT data */
|
|
|
|
(void)devif_poll(&priv->md_dev.r_dev, macnet_txpoll_callback);
|
|
}
|
|
|
|
net_unlock();
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: macnet_txavail
|
|
*
|
|
* Description:
|
|
* Driver callback invoked when new TX data is available. This is a
|
|
* stimulus perform an out-of-cycle poll and, thereby, reduce the TX
|
|
* latency.
|
|
*
|
|
* Input Parameters:
|
|
* dev - Reference to the NuttX driver state structure
|
|
*
|
|
* Returned Value:
|
|
* None
|
|
*
|
|
* Assumptions:
|
|
* Called in normal user mode
|
|
*
|
|
****************************************************************************/
|
|
|
|
static int macnet_txavail(FAR struct net_driver_s *dev)
|
|
{
|
|
FAR struct macnet_driver_s *priv = (FAR struct macnet_driver_s *)dev->d_private;
|
|
|
|
wlinfo("Available=%u\n", work_available(&priv->md_pollwork));
|
|
|
|
/* Is our single work structure available? It may not be if there are
|
|
* pending interrupt actions and we will have to ignore the Tx
|
|
* availability action.
|
|
*/
|
|
|
|
if (work_available(&priv->md_pollwork))
|
|
{
|
|
/* Schedule to serialize the poll on the worker thread. */
|
|
|
|
work_queue(WPANWORK, &priv->md_pollwork, macnet_txavail_work, priv, 0);
|
|
}
|
|
|
|
return OK;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: macnet_addmac
|
|
*
|
|
* Description:
|
|
* NuttX Callback: Add the specified MAC address to the hardware multicast
|
|
* address filtering
|
|
*
|
|
* Input Parameters:
|
|
* dev - Reference to the NuttX driver state structure
|
|
* mac - The MAC address to be added
|
|
*
|
|
* Returned Value:
|
|
* None
|
|
*
|
|
* Assumptions:
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifdef CONFIG_NET_MCASTGROUP
|
|
static int macnet_addmac(FAR struct net_driver_s *dev, FAR const uint8_t *mac)
|
|
{
|
|
FAR struct macnet_driver_s *priv = (FAR struct macnet_driver_s *)dev->d_private;
|
|
|
|
/* Add the MAC address to the hardware multicast routing table. Not used
|
|
* with IEEE 802.15.4 radios.
|
|
*/
|
|
|
|
return -ENOSYS;
|
|
}
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Name: macnet_rmmac
|
|
*
|
|
* Description:
|
|
* NuttX Callback: Remove the specified MAC address from the hardware multicast
|
|
* address filtering
|
|
*
|
|
* Input Parameters:
|
|
* dev - Reference to the NuttX driver state structure
|
|
* mac - The MAC address to be removed
|
|
*
|
|
* Returned Value:
|
|
* None
|
|
*
|
|
* Assumptions:
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifdef CONFIG_NET_MCASTGROUP
|
|
static int macnet_rmmac(FAR struct net_driver_s *dev, FAR const uint8_t *mac)
|
|
{
|
|
FAR struct macnet_driver_s *priv = (FAR struct macnet_driver_s *)dev->d_private;
|
|
|
|
/* Remove the MAC address from the hardware multicast routing table Not used
|
|
* with IEEE 802.15.4 radios.
|
|
*/
|
|
|
|
return -ENOSYS;
|
|
}
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Name: macnet_ioctl
|
|
*
|
|
* Description:
|
|
* Handle network IOCTL commands directed to this device.
|
|
*
|
|
* Input Parameters:
|
|
* dev - Reference to the NuttX driver state structure
|
|
* cmd - The IOCTL command
|
|
* arg - The argument for the IOCTL command
|
|
*
|
|
* Returned Value:
|
|
* OK on success; Negated errno on failure.
|
|
*
|
|
* Assumptions:
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifdef CONFIG_NETDEV_IOCTL
|
|
static int macnet_ioctl(FAR struct net_driver_s *dev, int cmd,
|
|
unsigned long arg)
|
|
{
|
|
FAR struct macnet_driver_s *priv = (FAR struct macnet_driver_s *)dev->d_private;
|
|
int ret = -EINVAL;
|
|
|
|
ret = nxsem_wait(&priv->md_exclsem);
|
|
if (ret < 0)
|
|
{
|
|
wlerr("ERROR: nxsem_wait failed: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
/* Check for IOCTLs aimed at the IEEE802.15.4 MAC layer */
|
|
|
|
if (_MAC802154IOCVALID(cmd))
|
|
{
|
|
FAR struct ieee802154_netmac_s *netmac =
|
|
(FAR struct ieee802154_netmac_s *)arg;
|
|
|
|
if (netmac != NULL)
|
|
{
|
|
unsigned long macarg = (unsigned int)((uintptr_t)&netmac->u);
|
|
|
|
switch (cmd)
|
|
{
|
|
/* Command: MAC802154IOC_NOTIFY_REGISTER
|
|
* Description: Register to receive a signal whenever there is a
|
|
* event primitive sent from the MAC layer.
|
|
* Argument: A read-only pointer to an instance of struct
|
|
* macnet_notify_s
|
|
* Return: Zero (OK) on success. Minus one will be returned on
|
|
* failure with the errno value set appropriately.
|
|
*/
|
|
|
|
case MAC802154IOC_NOTIFY_REGISTER:
|
|
{
|
|
/* Save the notification events */
|
|
|
|
priv->md_notify_event = netmac->u.event;
|
|
priv->md_notify_pid = getpid();
|
|
priv->md_notify_registered = true;
|
|
ret = OK;
|
|
}
|
|
break;
|
|
|
|
case MAC802154IOC_GET_EVENT:
|
|
{
|
|
FAR struct ieee802154_primitive_s *primitive;
|
|
|
|
while (1)
|
|
{
|
|
/* Try popping an event off the queue */
|
|
|
|
primitive = (FAR struct ieee802154_primitive_s *)
|
|
sq_remfirst(&priv->primitive_queue);
|
|
|
|
/* If there was an event to pop off, copy it into the user
|
|
* data and free it from the MAC layer's memory.
|
|
*/
|
|
|
|
if (primitive != NULL)
|
|
{
|
|
memcpy(&netmac->u, primitive,
|
|
sizeof(struct ieee802154_primitive_s));
|
|
|
|
/* Free the event */
|
|
|
|
ieee802154_primitive_free(primitive);
|
|
ret = OK;
|
|
break;
|
|
}
|
|
|
|
/* There can only be one getevent pending at a time */
|
|
|
|
if (priv->md_eventpending)
|
|
{
|
|
ret = -EAGAIN;
|
|
break;
|
|
}
|
|
|
|
priv->md_eventpending = true;
|
|
nxsem_post(&priv->md_exclsem);
|
|
|
|
/* Wait to be signaled when an event is queued */
|
|
|
|
ret = nxsem_wait(&priv->md_eventsem);
|
|
if (ret < 0)
|
|
{
|
|
DEBUGASSERT(ret == -EINTR || ret == -ECANCELED);
|
|
priv->md_eventpending = false;
|
|
return ret;
|
|
}
|
|
|
|
/* Get exclusive access again, then loop back around and try and
|
|
* pop an event off the queue
|
|
*/
|
|
|
|
ret = nxsem_wait(&priv->md_exclsem);
|
|
if (ret < 0)
|
|
{
|
|
wlerr("ERROR: nxsem_wait failed: %d\n", ret);
|
|
return ret;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case MAC802154IOC_ENABLE_EVENTS:
|
|
{
|
|
priv->md_enableevents = netmac->u.enable;
|
|
ret = OK;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
{
|
|
ret = mac802154_ioctl(priv->md_mac, cmd, macarg);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* Okay, we have no idea what this command is.. just give to the
|
|
* IEEE802.15.4 MAC layer without modification.
|
|
*/
|
|
|
|
else
|
|
{
|
|
ret = mac802154_ioctl(priv->md_mac, cmd, arg);
|
|
}
|
|
|
|
nxsem_post(&priv->md_exclsem);
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Name: macnet_get_mhrlen
|
|
*
|
|
* Description:
|
|
* Calculate the MAC header length given the frame meta-data.
|
|
*
|
|
* Input Parameters:
|
|
* netdev - The network device that will mediate the MAC interface
|
|
* meta - Obfuscated metadata structure needed to create the radio
|
|
* MAC header
|
|
*
|
|
* Returned Value:
|
|
* A non-negative MAC header length is returned on success; a negated
|
|
* errno value is returned on any failure.
|
|
*
|
|
****************************************************************************/
|
|
|
|
static int macnet_get_mhrlen(FAR struct radio_driver_s *netdev,
|
|
FAR const void *meta)
|
|
{
|
|
FAR struct macnet_driver_s *priv =
|
|
(FAR struct macnet_driver_s *)netdev;
|
|
FAR const struct ieee802154_frame_meta_s *pktmeta =
|
|
(FAR const struct ieee802154_frame_meta_s *)meta;
|
|
|
|
DEBUGASSERT(priv != NULL && priv->md_mac != NULL && pktmeta != NULL);
|
|
return mac802154_get_mhrlen(priv->md_mac, pktmeta);
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: macnet_req_data
|
|
*
|
|
* Description:
|
|
* Requests the transfer of a list of frames to the MAC.
|
|
*
|
|
* Input Parameters:
|
|
* netdev - The network device that will mediate the MAC interface
|
|
* meta - Obfuscated metadata structure needed to create the radio
|
|
* MAC header
|
|
* framelist - Head of a list of frames to be transferred.
|
|
*
|
|
* Returned Value:
|
|
* Zero (OK) returned on success; a negated errno value is returned on
|
|
* any failure.
|
|
*
|
|
****************************************************************************/
|
|
|
|
static int macnet_req_data(FAR struct radio_driver_s *netdev,
|
|
FAR const void *meta, FAR struct iob_s *framelist)
|
|
{
|
|
FAR struct macnet_driver_s *priv =
|
|
(FAR struct macnet_driver_s *)netdev;
|
|
FAR const struct ieee802154_frame_meta_s *pktmeta =
|
|
(FAR const struct ieee802154_frame_meta_s *)meta;
|
|
FAR struct iob_s *iob;
|
|
int ret;
|
|
|
|
wlinfo("Received framelist\n");
|
|
|
|
DEBUGASSERT(priv != NULL && pktmeta != NULL && framelist != NULL);
|
|
|
|
/* Add the incoming list of frames to the MAC's outgoing queue */
|
|
|
|
for (iob = framelist; iob != NULL; iob = framelist)
|
|
{
|
|
/* Increment statistics */
|
|
|
|
NETDEV_TXPACKETS(&priv->md_dev.r_dev);
|
|
|
|
/* Remove the IOB from the queue */
|
|
|
|
framelist = iob->io_flink;
|
|
iob->io_flink = NULL;
|
|
|
|
/* Transfer the frame to the MAC. mac802154_req_data will return
|
|
* -EINTR if a signal is received during certain phases of processing.
|
|
* In this context we just need to ignore -EINTR errors and try again.
|
|
*/
|
|
|
|
do
|
|
{
|
|
ret = mac802154_req_data(priv->md_mac, pktmeta, iob);
|
|
}
|
|
while (ret == -EINTR);
|
|
|
|
if (ret < 0)
|
|
{
|
|
wlerr("ERROR: mac802154_req_data failed: %d\n", ret);
|
|
|
|
iob_free(iob);
|
|
for (iob = framelist; iob != NULL; iob = framelist)
|
|
{
|
|
/* Remove the IOB from the queue and free */
|
|
|
|
framelist = iob->io_flink;
|
|
iob_free(iob);
|
|
}
|
|
|
|
NETDEV_TXERRORS(&priv->md_dev.r_dev);
|
|
return ret;
|
|
}
|
|
|
|
NETDEV_TXDONE(&priv->md_dev.r_dev);
|
|
}
|
|
|
|
return OK;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: macnet_properties
|
|
*
|
|
* Description:
|
|
* Different packet radios may have different properties. If there are
|
|
* multiple packet radios, then those properties have to be queried at
|
|
* run time. This information is provided to the 6LoWPAN network via the
|
|
* following structure.
|
|
*
|
|
* Input Parameters:
|
|
* netdev - The network device to be queried
|
|
* properties - Location where radio properties will be returned.
|
|
*
|
|
* Returned Value:
|
|
* Zero (OK) returned on success; a negated errno value is returned on
|
|
* any failure.
|
|
*
|
|
****************************************************************************/
|
|
|
|
static int macnet_properties(FAR struct radio_driver_s *netdev,
|
|
FAR struct radiodev_properties_s *properties)
|
|
{
|
|
DEBUGASSERT(netdev != NULL && properties != NULL);
|
|
memset(properties, 0, sizeof(struct radiodev_properties_s));
|
|
|
|
/* General */
|
|
|
|
properties->sp_addrlen = MACNET_ADDRSIZE; /* Length of an address */
|
|
properties->sp_framelen = MACNET_FRAMELEN; /* Fixed frame length */
|
|
|
|
/* Multicast address (uses broadcast address)
|
|
*
|
|
* For meshes (only) a multicast address candetermined by the first 3 bits
|
|
* of a short address (RFC 4944):
|
|
*
|
|
* 0xxxxxxx xxxxxxxx: Unicast address
|
|
* 100xxxxx xxxxxxxx: Multicast address
|
|
* 101xxxxx xxxxxxxx: Reserved
|
|
* 110xxxxx xxxxxxxx: Reserved
|
|
* 111xxxxx xxxxxxxx: Reserved
|
|
*
|
|
* Otherwise, Multicast is implemented with the broadcast address
|
|
* (qualified by the destination PANID).
|
|
*/
|
|
|
|
properties->sp_mcast.nv_addrlen = IEEE802154_SADDRSIZE;
|
|
memset(properties->sp_mcast.nv_addr, 0xff, RADIO_MAX_ADDRLEN);
|
|
|
|
/* Broadcast address */
|
|
|
|
properties->sp_bcast.nv_addrlen = IEEE802154_SADDRSIZE;
|
|
memset(properties->sp_mcast.nv_addr, 0xff, RADIO_MAX_ADDRLEN);
|
|
|
|
#ifdef CONFIG_NET_STARPOINT
|
|
/* Star hub node address.
|
|
*
|
|
* If this node is a "point" in a star topology, then the hub node
|
|
* MAC address is the address of the hub/PAN coordinator.
|
|
*/
|
|
|
|
#ifdef CONFIG_NET_6LOWPAN_EXTENDEDADDR
|
|
(void)macnet_coord_eaddr(netdev, properties->sp_hubnode.nv_addr);
|
|
properties->sp_hubnode.nv_addrlen = IEEE802154_EADDRSIZE;
|
|
#else
|
|
(void)macnet_coord_saddr(netdev, properties->sp_hubnode.nv_addr);
|
|
properties->sp_hubnode.nv_addrlen = IEEE802154_SADDRSIZE;
|
|
#endif
|
|
#endif
|
|
|
|
return OK;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: mac802154netdev_register
|
|
*
|
|
* Description:
|
|
* Register a network driver to access the IEEE 802.15.4 MAC layer from
|
|
* a socket using 6LoWPAN
|
|
*
|
|
* Input Parameters:
|
|
* mac - Pointer to the mac layer struct to be registered.
|
|
*
|
|
* Returned Value:
|
|
* Zero (OK) is returned on success. Otherwise a negated errno value is
|
|
* returned to indicate the nature of the failure.
|
|
*
|
|
****************************************************************************/
|
|
|
|
int mac802154netdev_register(MACHANDLE mac)
|
|
{
|
|
FAR struct macnet_driver_s *priv;
|
|
FAR struct radio_driver_s *radio;
|
|
FAR struct net_driver_s *dev;
|
|
FAR struct mac802154_maccb_s *maccb;
|
|
int ret;
|
|
|
|
DEBUGASSERT(mac != NULL);
|
|
|
|
/* Get the interface structure associated with this interface number. */
|
|
|
|
priv = (FAR struct macnet_driver_s *)
|
|
kmm_zalloc(sizeof(struct macnet_driver_s));
|
|
|
|
if (priv == NULL)
|
|
{
|
|
nerr("ERROR: Failed to allocate the device structure\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
/* Initialize the driver structure */
|
|
|
|
radio = &priv->md_dev;
|
|
dev = &radio->r_dev;
|
|
dev->d_ifup = macnet_ifup; /* I/F up (new IP address) callback */
|
|
dev->d_ifdown = macnet_ifdown; /* I/F down callback */
|
|
dev->d_txavail = macnet_txavail; /* New TX data callback */
|
|
#ifdef CONFIG_NET_MCASTGROUP
|
|
dev->d_addmac = macnet_addmac; /* Add multicast MAC address */
|
|
dev->d_rmmac = macnet_rmmac; /* Remove multicast MAC address */
|
|
#endif
|
|
#ifdef CONFIG_NETDEV_IOCTL
|
|
dev->d_ioctl = macnet_ioctl; /* Handle network IOCTL commands */
|
|
#endif
|
|
dev->d_private = (FAR void *)priv; /* Used to recover private state from dev */
|
|
|
|
/* Create a watchdog for timing polling for and timing of transmissions */
|
|
|
|
priv->md_mac = mac; /* Save the MAC interface instance */
|
|
priv->md_txpoll = wd_create(); /* Create periodic poll timer */
|
|
|
|
/* Setup a locking semaphore for exclusive device driver access */
|
|
|
|
nxsem_init(&priv->md_exclsem, 0, 1);
|
|
|
|
DEBUGASSERT(priv->md_txpoll != NULL);
|
|
|
|
/* Set the network mask. */
|
|
|
|
macnet_netmask(dev);
|
|
|
|
/* Initialize the Network frame-related callbacks */
|
|
|
|
radio->r_get_mhrlen = macnet_get_mhrlen; /* Get MAC header length */
|
|
radio->r_req_data = macnet_req_data; /* Enqueue frame for transmission */
|
|
radio->r_properties = macnet_properties; /* Return radio properties */
|
|
|
|
/* Initialize fields related to MAC event handling */
|
|
|
|
priv->md_eventpending = false;
|
|
nxsem_init(&priv->md_eventsem, 0, 0);
|
|
nxsem_setprotocol(&priv->md_eventsem, SEM_PRIO_NONE);
|
|
|
|
sq_init(&priv->primitive_queue);
|
|
|
|
priv->md_enableevents = false;
|
|
priv->md_notify_registered = false;
|
|
|
|
/* Initialize the MAC callbacks */
|
|
|
|
priv->md_cb.mc_priv = priv;
|
|
|
|
maccb = &priv->md_cb.mc_cb;
|
|
maccb->flink = NULL;
|
|
maccb->prio = CONFIG_IEEE802154_NETDEV_RECVRPRIO;
|
|
maccb->notify = macnet_notify;
|
|
|
|
/* Bind the callback structure */
|
|
|
|
ret = mac802154_bind(mac, maccb);
|
|
if (ret < 0)
|
|
{
|
|
nerr("ERROR: Failed to bind the MAC callbacks: %d\n", ret);
|
|
|
|
/* Release wdog timers */
|
|
|
|
wd_delete(priv->md_txpoll);
|
|
|
|
/* Free memory and return the error */
|
|
|
|
kmm_free(priv);
|
|
return ret;
|
|
}
|
|
|
|
/* Put the interface in the down state. */
|
|
|
|
macnet_ifdown(dev);
|
|
|
|
/* Register the device with the OS so that socket IOCTLs can be performed */
|
|
|
|
(void)netdev_register(&priv->md_dev.r_dev, NET_LL_IEEE802154);
|
|
return OK;
|
|
}
|
|
|
|
#endif /* CONFIG_NET && CONFIG_NET_skeleton */
|