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- /****************************************************************************
- * drivers/wireless/bcmf_netdev.c
- *
- * Copyright (C) 2017 Gregory Nutt. All rights reserved.
- * Author: Gregory Nutt <gnutt@nuttx.org>
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- * 3. Neither the name NuttX nor the names of its contributors may be
- * used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
- * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
- * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
- * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
- * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
- * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- ****************************************************************************/
- /****************************************************************************
- * Included Files
- ****************************************************************************/
- #include <nuttx/config.h>
- #if defined(CONFIG_NET) && defined(CONFIG_IEEE80211_BROADCOM_FULLMAC)
- #include <stdint.h>
- #include <stdbool.h>
- #include <time.h>
- #include <string.h>
- #include <errno.h>
- #include <assert.h>
- #include <debug.h>
- #include <arpa/inet.h>
- #include <nuttx/arch.h>
- #include <nuttx/irq.h>
- #include <nuttx/wdog.h>
- #include <nuttx/wqueue.h>
- #include <nuttx/net/arp.h>
- #include <nuttx/net/netdev.h>
- #include <nuttx/wireless/wireless.h>
- #ifdef CONFIG_NET_PKT
- # include <nuttx/net/pkt.h>
- #endif
- #include "bcmf_driver.h"
- #include "bcmf_cdc.h"
- #include "bcmf_bdc.h"
- #include "bcmf_ioctl.h"
- /****************************************************************************
- * Pre-processor Definitions
- ****************************************************************************/
- /* If processing is not done at the interrupt level, then work queue support
- * is required.
- */
- #if !defined(CONFIG_SCHED_WORKQUEUE)
- # error Work queue support is required in this configuration (CONFIG_SCHED_WORKQUEUE)
- #else
- /* Use the selected work queue */
- # if defined(CONFIG_IEEE80211_BROADCOM_HPWORK)
- # define BCMFWORK HPWORK
- # elif defined(CONFIG_IEEE80211_BROADCOM_HLWORK)
- # define BCMFWORK LPWORK
- # else
- # error Neither CONFIG_IEEE80211_BROADCOM_HPWORK nor CONFIG_IEEE80211_BROADCOM_HLWORK defined
- # endif
- #endif
- /* CONFIG_IEEE80211_BROADCOM_NINTERFACES determines the number of physical interfaces
- * that will be supported.
- */
- #ifndef CONFIG_IEEE80211_BROADCOM_NINTERFACES
- # define CONFIG_IEEE80211_BROADCOM_NINTERFACES 1
- #endif
- /* TX poll delay = 1 seconds. CLK_TCK is the number of clock ticks per second */
- #define BCMF_WDDELAY (1*CLK_TCK)
- /* TX timeout = 1 minute */
- #define BCMF_TXTIMEOUT (60*CLK_TCK)
- /* This is a helper pointer for accessing the contents of the Ethernet header */
- #define BUF ((struct eth_hdr_s *)priv->bc_dev.d_buf)
- /****************************************************************************
- * Private Types
- ****************************************************************************/
- /****************************************************************************
- * Private Data
- ****************************************************************************/
- /****************************************************************************
- * Private Function Prototypes
- ****************************************************************************/
- /* Common TX logic */
- static int bcmf_transmit(FAR struct bcmf_dev_s *priv,
- struct bcmf_frame_s *frame);
- static void bcmf_receive(FAR struct bcmf_dev_s *priv);
- static int bcmf_txpoll(FAR struct net_driver_s *dev);
- static void bcmf_rxpoll(FAR void *arg);
- /* Watchdog timer expirations */
- static void bcmf_poll_work(FAR void *arg);
- static void bcmf_poll_expiry(int argc, wdparm_t arg, ...);
- /* NuttX callback functions */
- static int bcmf_ifup(FAR struct net_driver_s *dev);
- static int bcmf_ifdown(FAR struct net_driver_s *dev);
- static void bcmf_txavail_work(FAR void *arg);
- static int bcmf_txavail(FAR struct net_driver_s *dev);
- #if defined(CONFIG_NET_IGMP) || defined(CONFIG_NET_ICMPv6)
- static int bcmf_addmac(FAR struct net_driver_s *dev,
- FAR const uint8_t *mac);
- #ifdef CONFIG_NET_IGMP
- static int bcmf_rmmac(FAR struct net_driver_s *dev,
- FAR const uint8_t *mac);
- #endif
- #ifdef CONFIG_NET_ICMPv6
- static void bcmf_ipv6multicast(FAR struct bcmf_dev_s *priv);
- #endif
- #endif
- #ifdef CONFIG_NETDEV_IOCTL
- static int bcmf_ioctl(FAR struct net_driver_s *dev, int cmd,
- unsigned long arg);
- #endif
- /****************************************************************************
- * Private Functions
- ****************************************************************************/
- int bcmf_netdev_alloc_tx_frame(FAR struct bcmf_dev_s *priv)
- {
- if (priv->cur_tx_frame != NULL)
- {
- /* Frame available */
- return OK;
- }
- /* Allocate frame for TX */
- priv->cur_tx_frame = bcmf_bdc_allocate_frame(priv, MAX_NET_DEV_MTU, true);
- if (!priv->cur_tx_frame)
- {
- wlerr("ERROR: Cannot allocate TX frame\n");
- return -ENOMEM;
- }
- return OK;
- }
- /****************************************************************************
- * Name: bcmf_transmit
- *
- * Description:
- * Start hardware transmission. Called either from the txdone interrupt
- * handling or from watchdog based polling.
- *
- * Parameters:
- * priv - Reference to the driver state structure
- *
- * Returned Value:
- * OK on success; a negated errno on failure
- *
- * Assumptions:
- * May or may not be called from an interrupt handler. In either case,
- * the network is locked.
- *
- ****************************************************************************/
- static int bcmf_transmit(FAR struct bcmf_dev_s *priv,
- struct bcmf_frame_s *frame)
- {
- int ret;
- frame->len = priv->bc_dev.d_len +
- (unsigned int)(frame->data - frame->base);
- ret = bcmf_bdc_transmit_frame(priv, frame);
- if (ret)
- {
- wlerr("ERROR: Failed to transmit frame\n");
- return -EIO;
- }
- NETDEV_TXPACKETS(priv->bc_dev);
- return OK;
- }
- /****************************************************************************
- * Name: bcmf_receive
- *
- * Description:
- * An interrupt was received indicating the availability of a new RX packet
- *
- * Parameters:
- * priv - Reference to the driver state structure
- *
- * Returned Value:
- * None
- *
- * Assumptions:
- * The network is locked.
- *
- ****************************************************************************/
- static void bcmf_receive(FAR struct bcmf_dev_s *priv)
- {
- struct bcmf_frame_s *frame;
- // wlinfo("Entry\n");
- do
- {
- /* Request frame buffer from bus interface */
- frame = bcmf_bdc_rx_frame(priv);
- if (frame == NULL)
- {
- /* No more frame to process */
- break;
- }
- if (!priv->bc_bifup)
- {
- /* Interface down, drop frame */
- priv->bus->free_frame(priv, frame);
- continue;
- }
- priv->bc_dev.d_buf = frame->data;
- priv->bc_dev.d_len = frame->len - (uint32_t)(frame->data - frame->base);
- wlinfo("Got frame %p %d\n", frame, priv->bc_dev.d_len);
- #ifdef CONFIG_NET_PKT
- /* When packet sockets are enabled, feed the frame into the packet tap */
- pkt_input(&priv->bc_dev);
- #endif
- /* We only accept IP packets of the configured type and ARP packets */
- #ifdef CONFIG_NET_IPv4
- if (BUF->type == HTONS(ETHTYPE_IP))
- {
- ninfo("IPv4 frame\n");
- NETDEV_RXIPV4(&priv->bc_dev);
- /* Handle ARP on input then give the IPv4 packet to the network
- * layer
- */
- arp_ipin(&priv->bc_dev);
- ipv4_input(&priv->bc_dev);
- /* If the above function invocation resulted in data that should be
- * sent out on the network, the field d_len will set to a value > 0.
- */
- if (priv->bc_dev.d_len > 0)
- {
- /* Update the Ethernet header with the correct MAC address */
- #ifdef CONFIG_NET_IPv6
- if (IFF_IS_IPv4(priv->bc_dev.d_flags))
- #endif
- {
- arp_out(&priv->bc_dev);
- }
- #ifdef CONFIG_NET_IPv6
- else
- {
- neighbor_out(&kel->bc_dev);
- }
- #endif
- /* And send the packet */
- bcmf_transmit(priv, frame);
- }
- else
- {
- /* Release RX frame buffer */
- priv->bus->free_frame(priv, frame);
- }
- }
- else
- #endif
- #ifdef CONFIG_NET_IPv6
- if (BUF->type == HTONS(ETHTYPE_IP6))
- {
- ninfo("Iv6 frame\n");
- NETDEV_RXIPV6(&priv->bc_dev);
- /* Give the IPv6 packet to the network layer */
- ipv6_input(&priv->bc_dev);
- /* If the above function invocation resulted in data that should be
- * sent out on the network, the field d_len will set to a value > 0.
- */
- if (priv->bc_dev.d_len > 0)
- {
- /* Update the Ethernet header with the correct MAC address */
- #ifdef CONFIG_NET_IPv4
- if (IFF_IS_IPv4(priv->bc_dev.d_flags))
- {
- arp_out(&priv->bc_dev);
- }
- else
- #endif
- #ifdef CONFIG_NET_IPv6
- {
- neighbor_out(&priv->bc_dev);
- }
- #endif
- /* And send the packet */
- bcmf_transmit(priv, frame);
- }
- else
- {
- /* Release RX frame buffer */
- priv->bus->free_frame(priv, frame);
- }
- }
- else
- #endif
- #ifdef CONFIG_NET_ARP
- if (BUF->type == htons(ETHTYPE_ARP))
- {
- arp_arpin(&priv->bc_dev);
- NETDEV_RXARP(&priv->bc_dev);
- /* If the above function invocation resulted in data that should be
- * sent out on the network, the field d_len will set to a value > 0.
- */
- if (priv->bc_dev.d_len > 0)
- {
- bcmf_transmit(priv, frame);
- }
- else
- {
- /* Release RX frame buffer */
- priv->bus->free_frame(priv, frame);
- }
- }
- else
- #endif
- {
- wlerr("ERROR: RX dropped\n");
- NETDEV_RXDROPPED(&priv->bc_dev);
- priv->bus->free_frame(priv, frame);
- }
- }
- while (1); /* While there are more packets to be processed */
- }
- /****************************************************************************
- * Name: bcmf_txpoll
- *
- * 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
- *
- * Parameters:
- * dev - Reference to the NuttX driver state structure
- *
- * Returned Value:
- * OK on success; a negated errno on failure
- *
- * Assumptions:
- * May or may not be called from an interrupt handler. In either case,
- * the network is locked.
- *
- ****************************************************************************/
- static int bcmf_txpoll(FAR struct net_driver_s *dev)
- {
- FAR struct bcmf_dev_s *priv = (FAR struct bcmf_dev_s *)dev->d_private;
- wlinfo("Entry\n");
- /* If the polling resulted in data that should be sent out on the network,
- * the field d_len is set to a value > 0.
- */
- if (priv->bc_dev.d_len > 0)
- {
- /* Look up the destination MAC address and add it to the Ethernet
- * header.
- */
- #ifdef CONFIG_NET_IPv4
- #ifdef CONFIG_NET_IPv6
- if (IFF_IS_IPv4(priv->bc_dev.d_flags))
- #endif
- {
- arp_out(&priv->bc_dev);
- }
- #endif /* CONFIG_NET_IPv4 */
- #ifdef CONFIG_NET_IPv6
- #ifdef CONFIG_NET_IPv4
- else
- #endif
- {
- neighbor_out(&priv->bc_dev);
- }
- #endif /* CONFIG_NET_IPv6 */
- /* Send the packet */
- bcmf_transmit(priv, priv->cur_tx_frame);
- /* Check if there is room in the device to hold another packet. If not,
- * return a non-zero value to terminate the poll.
- */
- // TODO
- priv->cur_tx_frame = NULL;
- return 1;
- }
- /* If zero is returned, the polling will continue until all connections have
- * been examined.
- */
- return 0;
- }
- /****************************************************************************
- * Name: bcmf_rxpoll
- *
- * Description:
- * Process RX frames
- *
- * Parameters:
- * arg - context of device to use
- *
- * Returned Value:
- * OK on success
- *
- * Assumptions:
- * The network is locked.
- *
- ****************************************************************************/
- static void bcmf_rxpoll(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();
- bcmf_receive(priv);
- /* Check if a packet transmission just completed. If so, call bcmf_txdone.
- * This may disable further Tx interrupts if there are no pending
- * transmissions.
- */
- // bcmf_txdone(priv);
- net_unlock();
- }
- /****************************************************************************
- * 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)
- {
- // 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)
- {
- /* Queue a job to process RX frames */
- work_queue(BCMFWORK, &priv->bc_pollwork, bcmf_rxpoll, priv, 0);
- }
- /****************************************************************************
- * 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)
- {
- FAR struct bcmf_dev_s *priv = (FAR struct bcmf_dev_s *)arg;
- // wlinfo("Entry\n");
- /* 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 iwreq *)arg);
- break;
- case SIOCGIWSCAN:
- ret = bcmf_wl_get_scan_results(priv, (struct iwreq *)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 */
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