f2fcf596a0
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3638 42af7a65-404d-4744-a932-0658087f49c3
674 lines
20 KiB
C
674 lines
20 KiB
C
/****************************************************************************
|
|
* drivers/net/vnet.c
|
|
*
|
|
* Copyright (C) 2011 Yu Qiang. All rights reserved.
|
|
* Author: Yu Qiang <yuq825@gmail.com>
|
|
*
|
|
* This file is a part of NuttX:
|
|
*
|
|
* Copyright (C) 2011 Gregory Nutt. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
* 3. Neither the name 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_NET_VNET)
|
|
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
#include <time.h>
|
|
#include <string.h>
|
|
#include <debug.h>
|
|
#include <wdog.h>
|
|
#include <errno.h>
|
|
|
|
#include <nuttx/irq.h>
|
|
#include <nuttx/arch.h>
|
|
|
|
#include <net/uip/uip.h>
|
|
#include <net/uip/uip-arp.h>
|
|
#include <net/uip/uip-arch.h>
|
|
|
|
#include <rgmp/vnet.h>
|
|
#include <rgmp/stdio.h>
|
|
|
|
/****************************************************************************
|
|
* Definitions
|
|
****************************************************************************/
|
|
|
|
/* CONFIG_VNET_NINTERFACES determines the number of physical interfaces
|
|
* that will be supported.
|
|
*/
|
|
|
|
#ifndef CONFIG_VNET_NINTERFACES
|
|
# define CONFIG_VNET_NINTERFACES 1
|
|
#endif
|
|
|
|
/* TX poll deley = 1 seconds. CLK_TCK is the number of clock ticks per second */
|
|
|
|
#define VNET_WDDELAY (1*CLK_TCK)
|
|
#define VNET_POLLHSEC (1*2)
|
|
|
|
/* TX timeout = 1 minute */
|
|
|
|
#define VNET_TXTIMEOUT (60*CLK_TCK)
|
|
|
|
/* This is a helper pointer for accessing the contents of the Ethernet header */
|
|
|
|
#define BUF ((struct uip_eth_hdr *)vnet->sk_dev.d_buf)
|
|
|
|
/****************************************************************************
|
|
* Private Types
|
|
****************************************************************************/
|
|
|
|
/* The vnet_driver_s encapsulates all state information for a single hardware
|
|
* interface
|
|
*/
|
|
|
|
struct vnet_driver_s
|
|
{
|
|
bool sk_bifup; /* true:ifup false:ifdown */
|
|
WDOG_ID sk_txpoll; /* TX poll timer */
|
|
//WDOG_ID sk_txtimeout; /* TX timeout timer */
|
|
|
|
/* This holds the information visible to uIP/NuttX */
|
|
struct rgmp_vnet *vnet;
|
|
struct uip_driver_s sk_dev; /* Interface understood by uIP */
|
|
};
|
|
|
|
/****************************************************************************
|
|
* Private Data
|
|
****************************************************************************/
|
|
|
|
static struct vnet_driver_s g_vnet[CONFIG_VNET_NINTERFACES];
|
|
|
|
/****************************************************************************
|
|
* Private Function Prototypes
|
|
****************************************************************************/
|
|
|
|
/* Common TX logic */
|
|
|
|
static int vnet_transmit(FAR struct vnet_driver_s *vnet);
|
|
static int vnet_uiptxpoll(struct uip_driver_s *dev);
|
|
|
|
/* Interrupt handling */
|
|
|
|
static void vnet_txdone(FAR struct vnet_driver_s *vnet);
|
|
|
|
/* Watchdog timer expirations */
|
|
|
|
static void vnet_polltimer(int argc, uint32_t arg, ...);
|
|
static void vnet_txtimeout(int argc, uint32_t arg, ...);
|
|
|
|
/* NuttX callback functions */
|
|
|
|
static int vnet_ifup(struct uip_driver_s *dev);
|
|
static int vnet_ifdown(struct uip_driver_s *dev);
|
|
static int vnet_txavail(struct uip_driver_s *dev);
|
|
#ifdef CONFIG_NET_IGMP
|
|
static int vnet_addmac(struct uip_driver_s *dev, FAR const uint8_t *mac);
|
|
static int vnet_rmmac(struct uip_driver_s *dev, FAR const uint8_t *mac);
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Private Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Function: vnet_transmit
|
|
*
|
|
* Description:
|
|
* Start hardware transmission. Called either from the txdone interrupt
|
|
* handling or from watchdog based polling.
|
|
*
|
|
* Parameters:
|
|
* vnet - 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,
|
|
* global interrupts are disabled, either explicitly or indirectly through
|
|
* interrupt handling logic.
|
|
*
|
|
****************************************************************************/
|
|
|
|
static int vnet_transmit(FAR struct vnet_driver_s *vnet)
|
|
{
|
|
int err;
|
|
|
|
/* Verify that the hardware is ready to send another packet. If we get
|
|
* here, then we are committed to sending a packet; Higher level logic
|
|
* must have assured that there is not transmission in progress.
|
|
*/
|
|
|
|
/* Increment statistics */
|
|
|
|
/* Send the packet: address=vnet->sk_dev.d_buf, length=vnet->sk_dev.d_len */
|
|
err = vnet_xmit(vnet->vnet, (char *)vnet->sk_dev.d_buf, vnet->sk_dev.d_len);
|
|
if (err) {
|
|
/* Setup the TX timeout watchdog (perhaps restarting the timer) */
|
|
//(void)wd_start(vnet->sk_txtimeout, VNET_TXTIMEOUT, vnet_txtimeout, 1, (uint32_t)vnet);
|
|
|
|
// When vnet_xmit fail, it means TX buffer is full. Watchdog
|
|
// is of no use here because no TX done INT will happen. So
|
|
// we reset the TX buffer directly.
|
|
#ifdef CONFIG_DEBUG
|
|
cprintf("VNET: TX buffer is full\n");
|
|
#endif
|
|
return ERROR;
|
|
}
|
|
else {
|
|
// this step may be unnecessary here
|
|
vnet_txdone(vnet);
|
|
}
|
|
|
|
return OK;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Function: vnet_uiptxpoll
|
|
*
|
|
* Description:
|
|
* The transmitter is available, check if uIP has any outgoing packets ready
|
|
* to send. This is a callback from uip_poll(). uip_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,
|
|
* global interrupts are disabled, either explicitly or indirectly through
|
|
* interrupt handling logic.
|
|
*
|
|
****************************************************************************/
|
|
|
|
static int vnet_uiptxpoll(struct uip_driver_s *dev)
|
|
{
|
|
FAR struct vnet_driver_s *vnet = (FAR struct vnet_driver_s *)dev->d_private;
|
|
|
|
/* 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 (vnet->sk_dev.d_len > 0)
|
|
{
|
|
uip_arp_out(&vnet->sk_dev);
|
|
vnet_transmit(vnet);
|
|
|
|
/* Check if there is room in the device to hold another packet. If not,
|
|
* return a non-zero value to terminate the poll.
|
|
*/
|
|
if (vnet_is_txbuff_full(vnet->vnet))
|
|
return 1;
|
|
}
|
|
|
|
/* If zero is returned, the polling will continue until all connections have
|
|
* been examined.
|
|
*/
|
|
|
|
return 0;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Function: rtos_vnet_recv
|
|
*
|
|
* Description:
|
|
* An interrupt was received indicating the availability of a new RX packet
|
|
*
|
|
* Parameters:
|
|
* vnet - Reference to the driver state structure
|
|
*
|
|
* Returned Value:
|
|
* None
|
|
*
|
|
* Assumptions:
|
|
* Global interrupts are disabled by interrupt handling logic.
|
|
*
|
|
****************************************************************************/
|
|
|
|
void rtos_vnet_recv(struct rgmp_vnet *vnet_dummy, char *data, int len)
|
|
{
|
|
// now only support 1 vnet
|
|
struct vnet_driver_s *vnet = &g_vnet[0];
|
|
|
|
do {
|
|
/* Check for errors and update statistics */
|
|
|
|
/* Check if the packet is a valid size for the uIP buffer configuration */
|
|
if (len > CONFIG_NET_BUFSIZE || len < 14) {
|
|
#ifdef CONFIG_DEBUG
|
|
cprintf("VNET: receive invalid packet of size %d\n", len);
|
|
#endif
|
|
return;
|
|
}
|
|
|
|
// Copy the data data from the hardware to vnet->sk_dev.d_buf. Set
|
|
// amount of data in vnet->sk_dev.d_len
|
|
memcpy(vnet->sk_dev.d_buf, data, len);
|
|
vnet->sk_dev.d_len = len;
|
|
|
|
/* We only accept IP packets of the configured type and ARP packets */
|
|
|
|
#ifdef CONFIG_NET_IPv6
|
|
if (BUF->type == HTONS(UIP_ETHTYPE_IP6))
|
|
#else
|
|
if (BUF->type == HTONS(UIP_ETHTYPE_IP))
|
|
#endif
|
|
{
|
|
uip_arp_ipin(&vnet->sk_dev);
|
|
uip_input(&vnet->sk_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 (vnet->sk_dev.d_len > 0) {
|
|
uip_arp_out(&vnet->sk_dev);
|
|
vnet_transmit(vnet);
|
|
}
|
|
}
|
|
else if (BUF->type == htons(UIP_ETHTYPE_ARP)) {
|
|
uip_arp_arpin(&vnet->sk_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 (vnet->sk_dev.d_len > 0) {
|
|
vnet_transmit(vnet);
|
|
}
|
|
}
|
|
}
|
|
while (0); /* While there are more packets to be processed */
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Function: vnet_txdone
|
|
*
|
|
* Description:
|
|
* An interrupt was received indicating that the last TX packet(s) is done
|
|
*
|
|
* Parameters:
|
|
* vnet - Reference to the driver state structure
|
|
*
|
|
* Returned Value:
|
|
* None
|
|
*
|
|
* Assumptions:
|
|
* Global interrupts are disabled by the watchdog logic.
|
|
*
|
|
****************************************************************************/
|
|
|
|
static void vnet_txdone(FAR struct vnet_driver_s *vnet)
|
|
{
|
|
/* Check for errors and update statistics */
|
|
|
|
/* If no further xmits are pending, then cancel the TX timeout and
|
|
* disable further Tx interrupts.
|
|
*/
|
|
|
|
//wd_cancel(vnet->sk_txtimeout);
|
|
|
|
/* Then poll uIP for new XMIT data */
|
|
|
|
(void)uip_poll(&vnet->sk_dev, vnet_uiptxpoll);
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Function: vnet_txtimeout
|
|
*
|
|
* Description:
|
|
* Our TX watchdog timed out. Called from the timer interrupt handler.
|
|
* The last TX never completed. Reset the hardware and start again.
|
|
*
|
|
* 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 vnet_txtimeout(int argc, uint32_t arg, ...)
|
|
{
|
|
FAR struct vnet_driver_s *vnet = (FAR struct vnet_driver_s *)arg;
|
|
|
|
/* Increment statistics and dump debug info */
|
|
|
|
/* Then reset the hardware */
|
|
|
|
/* Then poll uIP for new XMIT data */
|
|
|
|
(void)uip_poll(&vnet->sk_dev, vnet_uiptxpoll);
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Function: vnet_polltimer
|
|
*
|
|
* 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 vnet_polltimer(int argc, uint32_t arg, ...)
|
|
{
|
|
FAR struct vnet_driver_s *vnet = (FAR struct vnet_driver_s *)arg;
|
|
|
|
/* 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 (vnet_is_txbuff_full(vnet->vnet)) {
|
|
#ifdef CONFIG_DEBUG
|
|
cprintf("VNET: TX buffer is full\n");
|
|
#endif
|
|
return;
|
|
}
|
|
|
|
/* If so, update TCP timing states and poll uIP 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?
|
|
*/
|
|
|
|
(void)uip_timer(&vnet->sk_dev, vnet_uiptxpoll, VNET_POLLHSEC);
|
|
|
|
/* Setup the watchdog poll timer again */
|
|
|
|
(void)wd_start(vnet->sk_txpoll, VNET_WDDELAY, vnet_polltimer, 1, arg);
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Function: vnet_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 vnet_ifup(struct uip_driver_s *dev)
|
|
{
|
|
FAR struct vnet_driver_s *vnet = (FAR struct vnet_driver_s *)dev->d_private;
|
|
|
|
ndbg("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 );
|
|
|
|
/* Initialize PHYs, the Ethernet interface, and setup up Ethernet interrupts */
|
|
|
|
/* Set and activate a timer process */
|
|
|
|
(void)wd_start(vnet->sk_txpoll, VNET_WDDELAY, vnet_polltimer, 1, (uint32_t)vnet);
|
|
|
|
vnet->sk_bifup = true;
|
|
return OK;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Function: vnet_ifdown
|
|
*
|
|
* Description:
|
|
* NuttX Callback: Stop the interface.
|
|
*
|
|
* Parameters:
|
|
* dev - Reference to the NuttX driver state structure
|
|
*
|
|
* Returned Value:
|
|
* None
|
|
*
|
|
* Assumptions:
|
|
*
|
|
****************************************************************************/
|
|
|
|
static int vnet_ifdown(struct uip_driver_s *dev)
|
|
{
|
|
FAR struct vnet_driver_s *vnet = (FAR struct vnet_driver_s *)dev->d_private;
|
|
irqstate_t flags;
|
|
|
|
/* Disable the Ethernet interrupt */
|
|
|
|
flags = irqsave();
|
|
|
|
/* Cancel the TX poll timer and TX timeout timers */
|
|
|
|
wd_cancel(vnet->sk_txpoll);
|
|
//wd_cancel(vnet->sk_txtimeout);
|
|
|
|
/* Put the the EMAC is its reset, non-operational state. This should be
|
|
* a known configuration that will guarantee the vnet_ifup() always
|
|
* successfully brings the interface back up.
|
|
*/
|
|
|
|
/* Mark the device "down" */
|
|
|
|
vnet->sk_bifup = false;
|
|
irqrestore(flags);
|
|
return OK;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Function: vnet_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 vnet_txavail(struct uip_driver_s *dev)
|
|
{
|
|
FAR struct vnet_driver_s *vnet = (FAR struct vnet_driver_s *)dev->d_private;
|
|
irqstate_t flags;
|
|
|
|
/* Disable interrupts because this function may be called from interrupt
|
|
* level processing.
|
|
*/
|
|
|
|
flags = irqsave();
|
|
|
|
/* Ignore the notification if the interface is not yet up */
|
|
|
|
if (vnet->sk_bifup)
|
|
{
|
|
/* Check if there is room in the hardware to hold another outgoing packet. */
|
|
if (vnet_is_txbuff_full(vnet->vnet)) {
|
|
#ifdef CONFIG_DEBUG
|
|
cprintf("VNET: TX buffer is full\n");
|
|
#endif
|
|
goto out;
|
|
}
|
|
|
|
/* If so, then poll uIP for new XMIT data */
|
|
|
|
(void)uip_poll(&vnet->sk_dev, vnet_uiptxpoll);
|
|
}
|
|
|
|
out:
|
|
irqrestore(flags);
|
|
return OK;
|
|
}
|
|
|
|
/****************************************************************************
|
|
* Function: vnet_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:
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifdef CONFIG_NET_IGMP
|
|
static int vnet_addmac(struct uip_driver_s *dev, FAR const uint8_t *mac)
|
|
{
|
|
FAR struct vnet_driver_s *vnet = (FAR struct vnet_driver_s *)dev->d_private;
|
|
|
|
/* Add the MAC address to the hardware multicast routing table */
|
|
|
|
return OK;
|
|
}
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Function: vnet_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 vnet_rmmac(struct uip_driver_s *dev, FAR const uint8_t *mac)
|
|
{
|
|
FAR struct vnet_driver_s *vnet = (FAR struct vnet_driver_s *)dev->d_private;
|
|
|
|
/* Add the MAC address to the hardware multicast routing table */
|
|
|
|
return OK;
|
|
}
|
|
#endif
|
|
|
|
/****************************************************************************
|
|
* Public Functions
|
|
****************************************************************************/
|
|
|
|
/****************************************************************************
|
|
* Function: vnet_initialize
|
|
*
|
|
* Description:
|
|
* Initialize the Ethernet controller and driver
|
|
*
|
|
* Parameters:
|
|
* intf - In the case where there are multiple EMACs, this value
|
|
* identifies which EMAC is to be initialized.
|
|
*
|
|
* Returned Value:
|
|
* OK on success; Negated errno on failure.
|
|
*
|
|
* Assumptions:
|
|
*
|
|
****************************************************************************/
|
|
|
|
void vnet_initialize(void)
|
|
{
|
|
struct vnet_driver_s *priv;
|
|
struct rgmp_vnet *vnet = vnet_list.next;
|
|
int i;
|
|
|
|
for (i=0; i<CONFIG_VNET_NINTERFACES; i++) {
|
|
if (vnet == NULL)
|
|
break;
|
|
priv = &g_vnet[i];
|
|
|
|
/* Initialize the driver structure */
|
|
|
|
memset(priv, 0, sizeof(struct vnet_driver_s));
|
|
priv->sk_dev.d_ifup = vnet_ifup; /* I/F down callback */
|
|
priv->sk_dev.d_ifdown = vnet_ifdown; /* I/F up (new IP address) callback */
|
|
priv->sk_dev.d_txavail = vnet_txavail; /* New TX data callback */
|
|
#ifdef CONFIG_NET_IGMP
|
|
priv->sk_dev.d_addmac = vnet_addmac; /* Add multicast MAC address */
|
|
priv->sk_dev.d_rmmac = vnet_rmmac; /* Remove multicast MAC address */
|
|
#endif
|
|
priv->sk_dev.d_private = (void*)g_vnet; /* Used to recover private state from dev */
|
|
|
|
/* Create a watchdog for timing polling for and timing of transmisstions */
|
|
|
|
priv->sk_txpoll = wd_create(); /* Create periodic poll timer */
|
|
//priv->sk_txtimeout = wd_create(); /* Create TX timeout timer */
|
|
|
|
priv->vnet = vnet;
|
|
|
|
/* Register the device with the OS */
|
|
|
|
(void)netdev_register(&priv->sk_dev);
|
|
vnet = vnet->next;
|
|
}
|
|
}
|
|
|
|
#endif /* CONFIG_NET && CONFIG_NET_VNET */
|