1160 lines
31 KiB
C
1160 lines
31 KiB
C
/****************************************************************************
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* drivers/wireless/bcmf_netdev.c
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*
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* Copyright (C) 2017 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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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) && defined(CONFIG_IEEE80211_BROADCOM_FULLMAC)
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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>
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#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/wdog.h>
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#include <nuttx/wqueue.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/wireless/wireless.h>
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#ifdef CONFIG_NET_PKT
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# include <nuttx/net/pkt.h>
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#endif
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#include "bcmf_driver.h"
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#include "bcmf_cdc.h"
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#include "bcmf_bdc.h"
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#include "bcmf_ioctl.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* If processing is not done at the interrupt level, then work queue support
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* is required.
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*/
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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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#else
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/* Use the selected work queue */
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# if defined(CONFIG_IEEE80211_BROADCOM_HPWORK)
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# define BCMFWORK HPWORK
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# elif defined(CONFIG_IEEE80211_BROADCOM_HLWORK)
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# define BCMFWORK LPWORK
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# else
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# error Neither CONFIG_IEEE80211_BROADCOM_HPWORK nor CONFIG_IEEE80211_BROADCOM_HLWORK defined
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# endif
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#endif
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/* CONFIG_IEEE80211_BROADCOM_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_IEEE80211_BROADCOM_NINTERFACES
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# define CONFIG_IEEE80211_BROADCOM_NINTERFACES 1
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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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#define BCMF_WDDELAY (1*CLK_TCK)
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/* TX timeout = 1 minute */
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#define BCMF_TXTIMEOUT (60*CLK_TCK)
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/* This is a helper pointer for accessing the contents of the Ethernet header */
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#define BUF ((struct eth_hdr_s *)priv->bc_dev.d_buf)
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/****************************************************************************
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* Private 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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* Private Function Prototypes
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****************************************************************************/
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/* Common TX logic */
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static int bcmf_transmit(FAR struct bcmf_dev_s *priv,
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struct bcmf_frame_s *frame);
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static void bcmf_receive(FAR struct bcmf_dev_s *priv);
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static int bcmf_txpoll(FAR struct net_driver_s *dev);
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static void bcmf_rxpoll(FAR void *arg);
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/* Watchdog timer expirations */
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static void bcmf_poll_work(FAR void *arg);
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static void bcmf_poll_expiry(int argc, wdparm_t arg, ...);
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/* NuttX callback functions */
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static int bcmf_ifup(FAR struct net_driver_s *dev);
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static int bcmf_ifdown(FAR struct net_driver_s *dev);
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static void bcmf_txavail_work(FAR void *arg);
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static int bcmf_txavail(FAR struct net_driver_s *dev);
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#if defined(CONFIG_NET_IGMP) || defined(CONFIG_NET_ICMPv6)
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static int bcmf_addmac(FAR struct net_driver_s *dev,
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FAR const uint8_t *mac);
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#ifdef CONFIG_NET_IGMP
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static int bcmf_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_NET_ICMPv6
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static void bcmf_ipv6multicast(FAR struct bcmf_dev_s *priv);
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#endif
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#endif
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#ifdef CONFIG_NETDEV_IOCTL
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static int bcmf_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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/****************************************************************************
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* Private Functions
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****************************************************************************/
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int bcmf_netdev_alloc_tx_frame(FAR struct bcmf_dev_s *priv)
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{
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if (priv->cur_tx_frame != NULL)
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{
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/* Frame available */
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return OK;
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}
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/* Allocate frame for TX */
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priv->cur_tx_frame = bcmf_bdc_allocate_frame(priv, MAX_NET_DEV_MTU, true);
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if (!priv->cur_tx_frame)
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{
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wlerr("Cannot allocate TX frame\n");
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return -ENOMEM;
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}
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return OK;
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}
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/****************************************************************************
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* Name: bcmf_transmit
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*
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* Description:
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* Start hardware transmission. Called either from the txdone interrupt
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* handling or from watchdog based polling.
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*
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* Parameters:
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* priv - Reference to the driver state structure
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*
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* Returned Value:
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* OK on success; a negated errno on failure
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*
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* Assumptions:
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* May or may not be called from an interrupt handler. In either case,
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* the network is locked.
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*
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****************************************************************************/
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static int bcmf_transmit(FAR struct bcmf_dev_s *priv,
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struct bcmf_frame_s *frame)
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{
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int ret;
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frame->len = priv->bc_dev.d_len +
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(unsigned int)(frame->data - frame->base);
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ret = bcmf_bdc_transmit_frame(priv, frame);
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if (ret)
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{
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wlerr("Failed to transmit frame\n");
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return -EIO;
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}
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NETDEV_TXPACKETS(priv->bc_dev);
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return OK;
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}
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/****************************************************************************
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* Name: bcmf_receive
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*
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* Description:
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* An interrupt was received indicating the availability of a new RX packet
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*
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* Parameters:
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* priv - Reference to the driver state structure
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*
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* Returned Value:
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* None
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*
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* Assumptions:
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* The network is locked.
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*
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****************************************************************************/
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static void bcmf_receive(FAR struct bcmf_dev_s *priv)
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{
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struct bcmf_frame_s *frame;
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// wlinfo("Entry\n");
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do
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{
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/* Request frame buffer from bus interface */
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frame = bcmf_bdc_rx_frame(priv);
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if (frame == NULL)
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{
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/* No more frame to process */
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break;
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}
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if (!priv->bc_bifup)
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{
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/* Interface down, drop frame */
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priv->bus->free_frame(priv, frame);
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continue;
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}
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priv->bc_dev.d_buf = frame->data;
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priv->bc_dev.d_len = frame->len - (uint32_t)(frame->data - frame->base);
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wlinfo("Got frame %p %d\n", frame, priv->bc_dev.d_len);
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#ifdef CONFIG_NET_PKT
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/* When packet sockets are enabled, feed the frame into the packet tap */
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pkt_input(&priv->bc_dev);
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#endif
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/* We only accept IP packets of the configured type and ARP packets */
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#ifdef CONFIG_NET_IPv4
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if (BUF->type == HTONS(ETHTYPE_IP))
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{
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ninfo("IPv4 frame\n");
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NETDEV_RXIPV4(&priv->bc_dev);
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/* Handle ARP on input then give the IPv4 packet to the network
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* layer
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*/
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arp_ipin(&priv->bc_dev);
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ipv4_input(&priv->bc_dev);
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/* If the above function invocation resulted in data that should be
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* sent out on the network, the field d_len will set to a value > 0.
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*/
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if (priv->bc_dev.d_len > 0)
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{
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/* Update the Ethernet header with the correct MAC address */
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#ifdef CONFIG_NET_IPv6
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if (IFF_IS_IPv4(priv->bc_dev.d_flags))
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#endif
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{
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arp_out(&priv->bc_dev);
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}
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#ifdef CONFIG_NET_IPv6
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else
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{
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neighbor_out(&kel->bc_dev);
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}
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#endif
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/* And send the packet */
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bcmf_transmit(priv, frame);
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}
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else
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{
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/* Release RX frame buffer */
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priv->bus->free_frame(priv, frame);
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}
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}
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else
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#endif
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#ifdef CONFIG_NET_IPv6
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if (BUF->type == HTONS(ETHTYPE_IP6))
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{
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ninfo("Iv6 frame\n");
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NETDEV_RXIPV6(&priv->bc_dev);
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/* Give the IPv6 packet to the network layer */
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ipv6_input(&priv->bc_dev);
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/* If the above function invocation resulted in data that should be
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* sent out on the network, the field d_len will set to a value > 0.
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*/
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if (priv->bc_dev.d_len > 0)
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{
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/* Update the Ethernet header with the correct MAC address */
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#ifdef CONFIG_NET_IPv4
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if (IFF_IS_IPv4(priv->bc_dev.d_flags))
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{
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arp_out(&priv->bc_dev);
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}
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else
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#endif
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#ifdef CONFIG_NET_IPv6
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{
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neighbor_out(&priv->bc_dev);
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}
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#endif
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/* And send the packet */
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bcmf_transmit(priv, frame);
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}
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else
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{
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/* Release RX frame buffer */
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priv->bus->free_frame(priv, frame);
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}
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}
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else
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#endif
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#ifdef CONFIG_NET_ARP
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if (BUF->type == htons(ETHTYPE_ARP))
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{
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arp_arpin(&priv->bc_dev);
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NETDEV_RXARP(&priv->bc_dev);
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/* If the above function invocation resulted in data that should be
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* sent out on the network, the field d_len will set to a value > 0.
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*/
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if (priv->bc_dev.d_len > 0)
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{
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bcmf_transmit(priv, frame);
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}
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else
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{
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/* Release RX frame buffer */
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priv->bus->free_frame(priv, frame);
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}
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}
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else
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#endif
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{
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wlinfo("RX dropped\n");
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NETDEV_RXDROPPED(&priv->bc_dev);
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priv->bus->free_frame(priv, frame);
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}
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}
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while (1); /* While there are more packets to be processed */
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}
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/****************************************************************************
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* Name: bcmf_txpoll
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*
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* Description:
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* The transmitter is available, check if the network has any outgoing
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* packets ready to send. This is a callback from devif_poll().
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* devif_poll() may be called:
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*
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* 1. When the preceding TX packet send is complete,
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* 2. When the preceding TX packet send timesout and the interface is reset
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* 3. During normal TX polling
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*
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* Parameters:
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* dev - Reference to the NuttX driver state structure
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*
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* Returned Value:
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* OK on success; a negated errno on failure
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*
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* Assumptions:
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* May or may not be called from an interrupt handler. In either case,
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* the network is locked.
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*
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****************************************************************************/
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static int bcmf_txpoll(FAR struct net_driver_s *dev)
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{
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FAR struct bcmf_dev_s *priv = (FAR struct bcmf_dev_s *)dev->d_private;
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wlinfo("Entry\n");
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/* If the polling resulted in data that should be sent out on the network,
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* the field d_len is set to a value > 0.
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*/
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if (priv->bc_dev.d_len > 0)
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{
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/* Look up the destination MAC address and add it to the Ethernet
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* header.
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*/
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#ifdef CONFIG_NET_IPv4
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#ifdef CONFIG_NET_IPv6
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if (IFF_IS_IPv4(priv->bc_dev.d_flags))
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#endif
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{
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arp_out(&priv->bc_dev);
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}
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#endif /* CONFIG_NET_IPv4 */
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#ifdef CONFIG_NET_IPv6
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#ifdef CONFIG_NET_IPv4
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else
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#endif
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{
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neighbor_out(&priv->bc_dev);
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}
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#endif /* CONFIG_NET_IPv6 */
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/* Send the packet */
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bcmf_transmit(priv, priv->cur_tx_frame);
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/* Check if there is room in the device to hold another packet. If not,
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* return a non-zero value to terminate the poll.
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*/
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// TODO
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priv->cur_tx_frame = NULL;
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return 1;
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}
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|
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/* If zero is returned, the polling will continue until all connections have
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* been examined.
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*/
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return 0;
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}
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|
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/****************************************************************************
|
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* Name: bcmf_rxpoll
|
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*
|
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* Description:
|
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* Process RX frames
|
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*
|
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* Parameters:
|
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* arg - context of device to use
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*
|
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* Returned Value:
|
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* OK on success
|
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*
|
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* Assumptions:
|
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* The network is locked.
|
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*
|
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****************************************************************************/
|
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|
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static void bcmf_rxpoll(FAR void *arg)
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{
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// wlinfo("Entry\n");
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FAR struct bcmf_dev_s *priv = (FAR struct bcmf_dev_s *)arg;
|
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|
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/* Lock the network and serialize driver operations if necessary.
|
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* NOTE: Serialization is only required in the case where the driver work
|
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* is performed on an LP worker thread and where more than one LP worker
|
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* thread has been configured.
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*/
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net_lock();
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bcmf_receive(priv);
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/* Check if a packet transmission just completed. If so, call bcmf_txdone.
|
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* This may disable further Tx interrupts if there are no pending
|
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* transmissions.
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*/
|
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|
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// bcmf_txdone(priv);
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net_unlock();
|
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}
|
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|
|
/****************************************************************************
|
|
* Name: bcmf_netdev_notify_tx_done
|
|
*
|
|
* Description:
|
|
* Notify callback called when TX frame is sent and freed.
|
|
*
|
|
* Assumptions:
|
|
*
|
|
****************************************************************************/
|
|
|
|
void bcmf_netdev_notify_tx_done(FAR struct bcmf_dev_s *priv)
|
|
{
|
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// wlinfo("Entry\n");
|
|
|
|
/* TODO TX buffer may be available, try to send again if needed */
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: bcmf_netdev_notify_rx
|
|
*
|
|
* Description:
|
|
* Notify callback called when RX frame is available
|
|
*
|
|
* Assumptions:
|
|
*
|
|
****************************************************************************/
|
|
|
|
void bcmf_netdev_notify_rx(FAR struct bcmf_dev_s *priv)
|
|
{
|
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/* Queue a job to process RX frames */
|
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|
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work_queue(BCMFWORK, &priv->bc_pollwork, bcmf_rxpoll, priv, 0);
|
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}
|
|
|
|
/****************************************************************************
|
|
* Name: bcmf_poll_work
|
|
*
|
|
* Description:
|
|
* Perform periodic polling from the worker thread
|
|
*
|
|
* Parameters:
|
|
* arg - The argument passed when work_queue() as called.
|
|
*
|
|
* Returned Value:
|
|
* OK on success
|
|
*
|
|
* Assumptions:
|
|
* The network is locked.
|
|
*
|
|
****************************************************************************/
|
|
|
|
static void bcmf_poll_work(FAR void *arg)
|
|
{
|
|
// wlinfo("Entry\n");
|
|
FAR struct bcmf_dev_s *priv = (FAR struct bcmf_dev_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();
|
|
|
|
/* Perform the poll */
|
|
|
|
/* Check if there is room in the send another TX packet. We cannot perform
|
|
* the TX poll if he are unable to accept another packet for transmission.
|
|
*/
|
|
|
|
if (bcmf_netdev_alloc_tx_frame(priv))
|
|
{
|
|
goto exit_unlock;
|
|
}
|
|
|
|
/* If so, update TCP timing states and poll the network for new XMIT data.
|
|
* Hmmm.. might be bug here. Does this mean if there is a transmit in
|
|
* progress, we will missing TCP time state updates?
|
|
*/
|
|
|
|
priv->bc_dev.d_buf = priv->cur_tx_frame->data;
|
|
priv->bc_dev.d_len = 0;
|
|
(void)devif_timer(&priv->bc_dev, bcmf_txpoll);
|
|
|
|
/* Setup the watchdog poll timer again */
|
|
|
|
(void)wd_start(priv->bc_txpoll, BCMF_WDDELAY, bcmf_poll_expiry, 1,
|
|
(wdparm_t)priv);
|
|
exit_unlock:
|
|
net_unlock();
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: bcmf_poll_expiry
|
|
*
|
|
* Description:
|
|
* Periodic timer handler. Called from the timer interrupt handler.
|
|
*
|
|
* 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 bcmf_poll_expiry(int argc, wdparm_t arg, ...)
|
|
{
|
|
// wlinfo("Entry\n");
|
|
FAR struct bcmf_dev_s *priv = (FAR struct bcmf_dev_s *)arg;
|
|
|
|
/* Schedule to perform the interrupt processing on the worker thread. */
|
|
|
|
work_queue(BCMFWORK, &priv->bc_pollwork, bcmf_poll_work, priv, 0);
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: bcmf_ifup
|
|
*
|
|
* Description:
|
|
* NuttX Callback: Bring up the Ethernet interface when an IP address is
|
|
* provided
|
|
*
|
|
* Parameters:
|
|
* dev - Reference to the NuttX driver state structure
|
|
*
|
|
* Returned Value:
|
|
* None
|
|
*
|
|
* Assumptions:
|
|
*
|
|
****************************************************************************/
|
|
|
|
static int bcmf_ifup(FAR struct net_driver_s *dev)
|
|
{
|
|
wlinfo("Entry\n");
|
|
FAR struct bcmf_dev_s *priv = (FAR struct bcmf_dev_s *)dev->d_private;
|
|
|
|
#ifdef CONFIG_NET_IPv4
|
|
ninfo("Bringing up: %d.%d.%d.%d\n",
|
|
dev->d_ipaddr & 0xff, (dev->d_ipaddr >> 8) & 0xff,
|
|
(dev->d_ipaddr >> 16) & 0xff, dev->d_ipaddr >> 24);
|
|
#endif
|
|
#ifdef CONFIG_NET_IPv6
|
|
ninfo("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]);
|
|
#endif
|
|
|
|
/* Initialize PHYs, the Ethernet interface, and setup up Ethernet interrupts */
|
|
|
|
/* Instantiate the MAC address from priv->bc_dev.d_mac.ether.ether_addr_octet */
|
|
|
|
#ifdef CONFIG_NET_ICMPv6
|
|
/* Set up IPv6 multicast address filtering */
|
|
|
|
bcmf_ipv6multicast(priv);
|
|
#endif
|
|
|
|
/* Set and activate a timer process */
|
|
|
|
(void)wd_start(priv->bc_txpoll, BCMF_WDDELAY, bcmf_poll_expiry, 1,
|
|
(wdparm_t)priv);
|
|
|
|
/* Enable the hardware interrupt */
|
|
|
|
priv->bc_bifup = true;
|
|
|
|
return OK;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: bcmf_ifdown
|
|
*
|
|
* Description:
|
|
* NuttX Callback: Stop the interface.
|
|
*
|
|
* Parameters:
|
|
* dev - Reference to the NuttX driver state structure
|
|
*
|
|
* Returned Value:
|
|
* None
|
|
*
|
|
* Assumptions:
|
|
*
|
|
****************************************************************************/
|
|
|
|
static int bcmf_ifdown(FAR struct net_driver_s *dev)
|
|
{
|
|
wlinfo("Entry\n");
|
|
FAR struct bcmf_dev_s *priv = (FAR struct bcmf_dev_s *)dev->d_private;
|
|
irqstate_t flags;
|
|
|
|
/* Disable the hardware interrupt */
|
|
|
|
flags = enter_critical_section();
|
|
#warning Missing logic
|
|
|
|
/* Cancel the TX poll timer */
|
|
|
|
wd_cancel(priv->bc_txpoll);
|
|
|
|
/* Put the EMAC in its reset, non-operational state. This should be
|
|
* a known configuration that will guarantee the bcmf_ifup() always
|
|
* successfully brings the interface back up.
|
|
*/
|
|
|
|
/* Mark the device "down" */
|
|
|
|
priv->bc_bifup = false;
|
|
leave_critical_section(flags);
|
|
return OK;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: bcmf_txavail_work
|
|
*
|
|
* Description:
|
|
* Perform an out-of-cycle poll on the worker thread.
|
|
*
|
|
* 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 bcmf_txavail_work(FAR void *arg)
|
|
{
|
|
// wlinfo("Entry\n");
|
|
FAR struct bcmf_dev_s *priv = (FAR struct bcmf_dev_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();
|
|
|
|
/* Ignore the notification if the interface is not yet up */
|
|
|
|
if (priv->bc_bifup)
|
|
{
|
|
/* Check if there is room in the hardware to hold another outgoing packet. */
|
|
|
|
if (bcmf_netdev_alloc_tx_frame(priv))
|
|
{
|
|
goto exit_unlock;
|
|
}
|
|
|
|
/* If so, then poll the network for new XMIT data */
|
|
|
|
priv->bc_dev.d_buf = priv->cur_tx_frame->data;
|
|
priv->bc_dev.d_len = 0;
|
|
(void)devif_poll(&priv->bc_dev, bcmf_txpoll);
|
|
}
|
|
|
|
exit_unlock:
|
|
net_unlock();
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: bcmf_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.
|
|
*
|
|
* Parameters:
|
|
* dev - Reference to the NuttX driver state structure
|
|
*
|
|
* Returned Value:
|
|
* None
|
|
*
|
|
* Assumptions:
|
|
* Called in normal user mode
|
|
*
|
|
****************************************************************************/
|
|
|
|
static int bcmf_txavail(FAR struct net_driver_s *dev)
|
|
{
|
|
FAR struct bcmf_dev_s *priv = (FAR struct bcmf_dev_s *)dev->d_private;
|
|
|
|
/* 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->bc_pollwork))
|
|
{
|
|
/* Schedule to serialize the poll on the worker thread. */
|
|
|
|
work_queue(BCMFWORK, &priv->bc_pollwork, bcmf_txavail_work, priv, 0);
|
|
}
|
|
|
|
return OK;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Name: bcmf_addmac
|
|
*
|
|
* Description:
|
|
* NuttX Callback: Add the specified MAC address to the hardware multicast
|
|
* address filtering
|
|
*
|
|
* Parameters:
|
|
* dev - Reference to the NuttX driver state structure
|
|
* mac - The MAC address to be added
|
|
*
|
|
* Returned Value:
|
|
* None
|
|
*
|
|
* Assumptions:
|
|
*
|
|
****************************************************************************/
|
|
|
|
#if defined(CONFIG_NET_IGMP) || defined(CONFIG_NET_ICMPv6)
|
|
static int bcmf_addmac(FAR struct net_driver_s *dev, FAR const uint8_t *mac)
|
|
{
|
|
wlinfo("Entry\n");
|
|
FAR struct bcmf_dev_s *priv = (FAR struct bcmf_dev_s *)dev->d_private;
|
|
|
|
/* Add the MAC address to the hardware multicast routing table */
|
|
|
|
return OK;
|
|
}
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Name: bcmf_rmmac
|
|
*
|
|
* Description:
|
|
* NuttX Callback: Remove the specified MAC address from the hardware multicast
|
|
* address filtering
|
|
*
|
|
* Parameters:
|
|
* dev - Reference to the NuttX driver state structure
|
|
* mac - The MAC address to be removed
|
|
*
|
|
* Returned Value:
|
|
* None
|
|
*
|
|
* Assumptions:
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifdef CONFIG_NET_IGMP
|
|
static int bcmf_rmmac(FAR struct net_driver_s *dev, FAR const uint8_t *mac)
|
|
{
|
|
wlinfo("Entry\n");
|
|
FAR struct bcmf_dev_s *priv = (FAR struct bcmf_dev_s *)dev->d_private;
|
|
|
|
/* Add the MAC address to the hardware multicast routing table */
|
|
|
|
return OK;
|
|
}
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Name: bcmf_ipv6multicast
|
|
*
|
|
* Description:
|
|
* Configure the IPv6 multicast MAC address.
|
|
*
|
|
* Parameters:
|
|
* priv - A reference to the private driver state structure
|
|
*
|
|
* Returned Value:
|
|
* OK on success; Negated errno on failure.
|
|
*
|
|
* Assumptions:
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifdef CONFIG_NET_ICMPv6
|
|
static void bcmf_ipv6multicast(FAR struct bcmf_dev_s *priv)
|
|
{
|
|
wlinfo("Entry\n");
|
|
FAR struct net_driver_s *dev;
|
|
uint16_t tmp16;
|
|
uint8_t mac[6];
|
|
|
|
/* For ICMPv6, we need to add the IPv6 multicast address
|
|
*
|
|
* For IPv6 multicast addresses, the Ethernet MAC is derived by
|
|
* the four low-order octets OR'ed with the MAC 33:33:00:00:00:00,
|
|
* so for example the IPv6 address FF02:DEAD:BEEF::1:3 would map
|
|
* to the Ethernet MAC address 33:33:00:01:00:03.
|
|
*
|
|
* NOTES: This appears correct for the ICMPv6 Router Solicitation
|
|
* Message, but the ICMPv6 Neighbor Solicitation message seems to
|
|
* use 33:33:ff:01:00:03.
|
|
*/
|
|
|
|
mac[0] = 0x33;
|
|
mac[1] = 0x33;
|
|
|
|
dev = &priv->dev;
|
|
tmp16 = dev->d_ipv6addr[6];
|
|
mac[2] = 0xff;
|
|
mac[3] = tmp16 >> 8;
|
|
|
|
tmp16 = dev->d_ipv6addr[7];
|
|
mac[4] = tmp16 & 0xff;
|
|
mac[5] = tmp16 >> 8;
|
|
|
|
ninfo("IPv6 Multicast: %02x:%02x:%02x:%02x:%02x:%02x\n",
|
|
mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
|
|
|
|
(void)bcmf_addmac(dev, mac);
|
|
|
|
#ifdef CONFIG_NET_ICMPv6_AUTOCONF
|
|
/* Add the IPv6 all link-local nodes Ethernet address. This is the
|
|
* address that we expect to receive ICMPv6 Router Advertisement
|
|
* packets.
|
|
*/
|
|
|
|
(void)bcmf_addmac(dev, g_ipv6_ethallnodes.ether_addr_octet);
|
|
|
|
#endif /* CONFIG_NET_ICMPv6_AUTOCONF */
|
|
|
|
#ifdef CONFIG_NET_ICMPv6_ROUTER
|
|
/* Add the IPv6 all link-local routers Ethernet address. This is the
|
|
* address that we expect to receive ICMPv6 Router Solicitation
|
|
* packets.
|
|
*/
|
|
|
|
(void)bcmf_addmac(dev, g_ipv6_ethallrouters.ether_addr_octet);
|
|
|
|
#endif /* CONFIG_NET_ICMPv6_ROUTER */
|
|
}
|
|
#endif /* CONFIG_NET_ICMPv6 */
|
|
|
|
/****************************************************************************
|
|
* Name: bcmf_ioctl
|
|
*
|
|
* Description:
|
|
* Handle network IOCTL commands directed to this device.
|
|
*
|
|
* 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 bcmf_ioctl(FAR struct net_driver_s *dev, int cmd,
|
|
unsigned long arg)
|
|
{
|
|
int ret;
|
|
FAR struct bcmf_dev_s *priv = (FAR struct bcmf_dev_s *)dev->d_private;
|
|
|
|
/* Decode and dispatch the driver-specific IOCTL command */
|
|
|
|
switch (cmd)
|
|
{
|
|
case SIOCSIWSCAN:
|
|
ret = bcmf_wl_start_scan(priv, (struct ifreq*)arg);
|
|
break;
|
|
|
|
case SIOCGIWSCAN:
|
|
ret = bcmf_wl_get_scan_results(priv, (struct ifreq*)arg);
|
|
break;
|
|
|
|
case SIOCSIFHWADDR: /* Set device MAC address */
|
|
ret = bcmf_wl_set_mac_address(priv, (struct ifreq*)arg);
|
|
break;
|
|
|
|
case SIOCSIWAUTH:
|
|
ret = bcmf_wl_set_auth_param(priv, (struct iwreq*)arg);
|
|
break;
|
|
|
|
case SIOCSIWENCODEEXT:
|
|
ret = bcmf_wl_set_encode_ext(priv, (struct iwreq*)arg);
|
|
break;
|
|
|
|
case SIOCSIWFREQ: /* Set channel/frequency (Hz) */
|
|
wlwarn("WARNING: SIOCSIWFREQ not implemented\n");
|
|
ret = -ENOSYS;
|
|
break;
|
|
|
|
case SIOCGIWFREQ: /* Get channel/frequency (Hz) */
|
|
wlwarn("WARNING: SIOCGIWFREQ not implemented\n");
|
|
ret = -ENOSYS;
|
|
break;
|
|
|
|
case SIOCSIWMODE: /* Set operation mode */
|
|
ret = bcmf_wl_set_mode(priv, (struct iwreq*)arg);
|
|
break;
|
|
|
|
case SIOCGIWMODE: /* Get operation mode */
|
|
wlwarn("WARNING: SIOCGIWMODE not implemented\n");
|
|
ret = -ENOSYS;
|
|
break;
|
|
|
|
case SIOCSIWAP: /* Set access point MAC addresses */
|
|
wlwarn("WARNING: SIOCSIWAP not implemented\n");
|
|
ret = -ENOSYS;
|
|
break;
|
|
|
|
case SIOCGIWAP: /* Get access point MAC addresses */
|
|
wlwarn("WARNING: SIOCGIWAP not implemented\n");
|
|
ret = -ENOSYS;
|
|
break;
|
|
|
|
case SIOCSIWESSID: /* Set ESSID (network name) */
|
|
ret = bcmf_wl_set_ssid(priv, (struct iwreq*)arg);
|
|
break;
|
|
|
|
case SIOCGIWESSID: /* Get ESSID */
|
|
wlwarn("WARNING: SIOCGIWESSID not implemented\n");
|
|
ret = -ENOSYS;
|
|
break;
|
|
|
|
case SIOCSIWRATE: /* Set default bit rate (bps) */
|
|
wlwarn("WARNING: SIOCSIWRATE not implemented\n");
|
|
ret = -ENOSYS;
|
|
break;
|
|
|
|
case SIOCGIWRATE: /* Get default bit rate (bps) */
|
|
wlwarn("WARNING: SIOCGIWRATE not implemented\n");
|
|
ret = -ENOSYS;
|
|
break;
|
|
|
|
case SIOCSIWTXPOW: /* Set transmit power (dBm) */
|
|
wlwarn("WARNING: SIOCSIWTXPOW not implemented\n");
|
|
ret = -ENOSYS;
|
|
break;
|
|
|
|
case SIOCGIWTXPOW: /* Get transmit power (dBm) */
|
|
wlwarn("WARNING: SIOCGIWTXPOW not implemented\n");
|
|
ret = -ENOSYS;
|
|
break;
|
|
|
|
default:
|
|
nerr("ERROR: Unrecognized IOCTL command: %d\n", cmd);
|
|
ret = -ENOTTY; /* Special return value for this case */
|
|
break;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Name: bcmf_netdev_register
|
|
*
|
|
* Description:
|
|
* Register a network driver and set Broadcom chip in a proper state
|
|
*
|
|
* Parameters:
|
|
* priv - Broadcom driver device
|
|
*
|
|
* Returned Value:
|
|
* OK on success; Negated errno on failure.
|
|
*
|
|
* Assumptions:
|
|
*
|
|
****************************************************************************/
|
|
|
|
int bcmf_netdev_register(FAR struct bcmf_dev_s *priv)
|
|
{
|
|
uint32_t out_len;
|
|
|
|
/* Initialize network driver structure */
|
|
|
|
memset(&priv->bc_dev, 0, sizeof(priv->bc_dev));
|
|
priv->bc_dev.d_ifup = bcmf_ifup; /* I/F up (new IP address) callback */
|
|
priv->bc_dev.d_ifdown = bcmf_ifdown; /* I/F down callback */
|
|
priv->bc_dev.d_txavail = bcmf_txavail; /* New TX data callback */
|
|
#ifdef CONFIG_NET_IGMP
|
|
priv->bc_dev.d_addmac = bcmf_addmac; /* Add multicast MAC address */
|
|
priv->bc_dev.d_rmmac = bcmf_rmmac; /* Remove multicast MAC address */
|
|
#endif
|
|
#ifdef CONFIG_NETDEV_IOCTL
|
|
priv->bc_dev.d_ioctl = bcmf_ioctl; /* Handle network IOCTL commands */
|
|
#endif
|
|
priv->bc_dev.d_private = (FAR void *)priv; /* Used to recover private state from dev */
|
|
|
|
/* Create a watchdog for timing polling */
|
|
|
|
priv->bc_txpoll = wd_create(); /* Create periodic poll timer */
|
|
|
|
DEBUGASSERT(priv->bc_txpoll != NULL && priv->bc_txtimeout != NULL);
|
|
|
|
/* Initialize network stack interface buffer */
|
|
|
|
priv->cur_tx_frame = NULL;
|
|
priv->bc_dev.d_buf = NULL;
|
|
|
|
/* Put the interface in the down state. This usually amounts to resetting
|
|
* the device and/or calling bcmf_ifdown().
|
|
*/
|
|
|
|
/* Enable chip */
|
|
|
|
if (bcmf_wl_enable(priv, true) != OK)
|
|
{
|
|
return -EIO;
|
|
}
|
|
|
|
/* Query MAC address */
|
|
|
|
out_len = ETHER_ADDR_LEN;
|
|
if (bcmf_cdc_iovar_request(priv, CHIP_STA_INTERFACE, false,
|
|
IOVAR_STR_CUR_ETHERADDR,
|
|
priv->bc_dev.d_mac.ether.ether_addr_octet,
|
|
&out_len) != OK)
|
|
{
|
|
return -EIO;
|
|
}
|
|
|
|
/* Register the device with the OS so that socket IOCTLs can be performed */
|
|
|
|
(void)netdev_register(&priv->bc_dev, NET_LL_IEEE80211);
|
|
return OK;
|
|
}
|
|
|
|
#endif /* CONFIG_NET && CONFIG_IEEE80211_BROADCOM_FULLMAC */
|