NET: Move net/netdev*.c to net/netdev/netdev*.c

This commit is contained in:
Gregory Nutt
2014-06-27 09:56:45 -06:00
parent f61741ea77
commit 953764181e
26 changed files with 44 additions and 72 deletions
+134
View File
@@ -0,0 +1,134 @@
/****************************************************************************
* net/netdev/netdev_carrier.c
*
* Copyright (C) 2014 Gregory Nutt. All rights reserved.
* Author: Max Holtzberg <mh@uvc.de>
*
* 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) && CONFIG_NSOCKET_DESCRIPTORS > 0
#include <sys/socket.h>
#include <stdio.h>
#include <semaphore.h>
#include <assert.h>
#include <string.h>
#include <errno.h>
#include <debug.h>
#include <net/if.h>
#include <net/ethernet.h>
#include <nuttx/net/netdev.h>
#include "net.h"
#include "netdev/netdev.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Global Functions
****************************************************************************/
/****************************************************************************
* Function: netdev_carrier_on
*
* Description:
* Notifies the uip layer about an available carrier.
* (e.g. a cable was plugged in)
*
* Parameters:
* dev - The device driver structure
*
* Returned Value:
* 0:Success; negated errno on failure
*
****************************************************************************/
int netdev_carrier_on(FAR struct uip_driver_s *dev)
{
if (dev)
{
dev->d_flags |= IFF_RUNNING;
return OK;
}
return -EINVAL;
}
/****************************************************************************
* Function: netdev_carrier_off
*
* Description:
* Notifies the uip layer about an disappeared carrier.
* (e.g. a cable was unplugged)
*
* Parameters:
* dev - The device driver structure
*
* Returned Value:
* 0:Success; negated errno on failure
*
****************************************************************************/
int netdev_carrier_off(FAR struct uip_driver_s *dev)
{
if (dev)
{
dev->d_flags &= ~IFF_RUNNING;
return OK;
}
return -EINVAL;
}
#endif /* CONFIG_NET && CONFIG_NSOCKET_DESCRIPTORS */
+103
View File
@@ -0,0 +1,103 @@
/****************************************************************************
* net/netdev/netdev_count.c
*
* Copyright (C) 2007-2009 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) && CONFIG_NSOCKET_DESCRIPTORS > 0
#include <string.h>
#include <errno.h>
#include <nuttx/net/netdev.h>
#include "net.h"
#include "netdev/netdev.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Global Functions
****************************************************************************/
/****************************************************************************
* Function: netdev_count
*
* Description:
* Return the number of network devices
*
* Parameters:
* None
*
* Returned Value:
* The number of network devices
*
* Assumptions:
* Called from normal user mode
*
****************************************************************************/
int netdev_count(void)
{
struct uip_driver_s *dev;
int ndev;
netdev_semtake();
for (dev = g_netdevices, ndev = 0; dev; dev = dev->flink, ndev++);
netdev_semgive();
return ndev;
}
#endif /* CONFIG_NET && CONFIG_NSOCKET_DESCRIPTORS */
+215
View File
@@ -0,0 +1,215 @@
/****************************************************************************
* net/netdev/netdev_findbyaddr.c
*
* Copyright (C) 2007-2009, 2014 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) && CONFIG_NSOCKET_DESCRIPTORS > 0
#include <stdbool.h>
#include <string.h>
#include <errno.h>
#include <debug.h>
#include <nuttx/net/netdev.h>
#include "net.h"
#include "netdev/netdev.h"
#include "route/route.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Function: netdev_maskcmp
****************************************************************************/
/****************************************************************************
* Function: netdev_finddevice
*
* Description:
* Find a previously registered network device by matching a local address
* with the subnet served by the device. Only "up" devices are considered
* (since a "down" device has no meaningful address).
*
* Parameters:
* addr - Pointer to the remote address of a connection
*
* Returned Value:
* Pointer to driver on success; null on failure
*
* Assumptions:
* Called from normal user mode
*
****************************************************************************/
static FAR struct uip_driver_s *netdev_finddevice(const uip_ipaddr_t addr)
{
struct uip_driver_s *dev;
/* Examine each registered network device */
netdev_semtake();
for (dev = g_netdevices; dev; dev = dev->flink)
{
/* Is the interface in the "up" state? */
if ((dev->d_flags & IFF_UP) != 0)
{
/* Yes.. check for an address match (under the netmask) */
if (uip_ipaddr_maskcmp(dev->d_ipaddr, addr, dev->d_netmask))
{
/* Its a match */
netdev_semgive();
return dev;
}
}
}
/* No device with the matching address found */
netdev_semgive();
return NULL;
}
/****************************************************************************
* Global Functions
****************************************************************************/
/****************************************************************************
* Function: netdev_findbyaddr
*
* Description:
* Find a previously registered network device by matching an arbitrary
* IP address.
*
* Parameters:
* addr - Pointer to the remote address of a connection
*
* Returned Value:
* Pointer to driver on success; null on failure
*
* Assumptions:
* Called from normal user mode
*
****************************************************************************/
FAR struct uip_driver_s *netdev_findbyaddr(const uip_ipaddr_t addr)
{
struct uip_driver_s *dev;
#ifdef CONFIG_NET_ROUTE
uip_ipaddr_t router;
int ret;
#endif
/* First, see if the address maps to the a local network */
dev = netdev_finddevice(addr);
if (dev)
{
return dev;
}
/* No.. The address lies on an external network */
#ifdef CONFIG_NET_ROUTE
/* If we have a routing table, then perhaps we can find the the local
* address of a router that can forward packets to the external network.
*/
#ifdef CONFIG_NET_IPv6
ret = net_router(addr, router);
#else
ret = net_router(addr, &router);
#endif
if (ret >= 0)
{
/* Success... try to find the network device associated with the local
* router address
*/
dev = netdev_finddevice(router);
if (dev)
{
return dev;
}
}
#endif /* CONFIG_NET_ROUTE */
/* The above lookup will fail if the packet is being sent out of our
* out subnet to a router and there is no routing information.
*
* However, if there is only a single, registered network interface, then
* the decision is pretty easy. Use that device and its default router
* address.
*/
netdev_semtake();
if (g_netdevices && !g_netdevices->flink)
{
dev = g_netdevices;
}
netdev_semgive();
/* If we will did not find the network device, then we might as well fail
* because we are not configured properly to determine the route to the
* target.
*/
return dev;
}
#endif /* CONFIG_NET && CONFIG_NSOCKET_DESCRIPTORS */
+112
View File
@@ -0,0 +1,112 @@
/****************************************************************************
* net/netdev/netdev_findbyname.c
*
* Copyright (C) 2007, 2008 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) && CONFIG_NSOCKET_DESCRIPTORS > 0
#include <string.h>
#include <errno.h>
#include <nuttx/net/netdev.h>
#include "net.h"
#include "netdev/netdev.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Global Functions
****************************************************************************/
/****************************************************************************
* Function: netdev_findbyname
*
* Description:
* Find a previously registered network device using its assigned
* network interface name
*
* Parameters:
* ifname The interface name of the device of interest
*
* Returned Value:
* Pointer to driver on success; null on failure
*
* Assumptions:
* Called from normal user mode
*
****************************************************************************/
FAR struct uip_driver_s *netdev_findbyname(const char *ifname)
{
struct uip_driver_s *dev;
if (ifname)
{
netdev_semtake();
for (dev = g_netdevices; dev; dev = dev->flink)
{
if (strcmp(ifname, dev->d_ifname) == 0)
{
netdev_semgive();
return dev;
}
}
netdev_semgive();
}
return NULL;
}
#endif /* CONFIG_NET && CONFIG_NSOCKET_DESCRIPTORS */
+115
View File
@@ -0,0 +1,115 @@
/****************************************************************************
* net/netdev/netdev_foreach.c
*
* Copyright (C) 2007-2009, 2012 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) && CONFIG_NSOCKET_DESCRIPTORS > 0
#include <debug.h>
#include <nuttx/net/net.h>
#include <nuttx/net/netdev.h>
#include "net.h"
#include "netdev/netdev.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Global Functions
****************************************************************************/
/****************************************************************************
* Function: netdev_foreach
*
* Description:
* Enumerate each registered network device.
*
* NOTE: netdev semaphore held throughout enumeration.
*
* Parameters:
* callback - Will be called for each registered device
* arg - User argument passed to callback()
*
* Returned Value:
* 0:Enumeration completed 1:Enumeration terminated early by callback
*
* Assumptions:
* Called from normal user mode
*
****************************************************************************/
int netdev_foreach(netdev_callback_t callback, void *arg)
{
struct uip_driver_s *dev;
int ret = 0;
if (callback)
{
netdev_semtake();
for (dev = g_netdevices; dev; dev = dev->flink)
{
if (callback(dev, arg) != 0)
{
ret = 1;
break;
}
}
netdev_semgive();
}
return ret;
}
#endif /* CONFIG_NET && CONFIG_NSOCKET_DESCRIPTORS */
File diff suppressed because it is too large Load Diff
+150
View File
@@ -0,0 +1,150 @@
/****************************************************************************
* net/netdev/netdev_register.c
*
* Copyright (C) 2007-2012 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) && CONFIG_NSOCKET_DESCRIPTORS > 0
#include <sys/socket.h>
#include <stdio.h>
#include <semaphore.h>
#include <assert.h>
#include <string.h>
#include <errno.h>
#include <debug.h>
#include <net/if.h>
#include <net/ethernet.h>
#include <nuttx/net/netdev.h>
#include "net.h"
#include "netdev/netdev.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#ifdef CONFIG_NET_SLIP
# define NETDEV_FORMAT "sl%d"
#else
# define NETDEV_FORMAT "eth%d"
#endif
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
static int g_next_devnum = 0;
/****************************************************************************
* Public Data
****************************************************************************/
/* List of registered ethernet device drivers */
struct uip_driver_s *g_netdevices = NULL;
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Global Functions
****************************************************************************/
/****************************************************************************
* Function: netdev_register
*
* Description:
* Register a network device driver and assign a name to it so tht it can
* be found in subsequent network ioctl operations on the device.
*
* Parameters:
* dev - The device driver structure to register
*
* Returned Value:
* 0:Success; negated errno on failure
*
* Assumptions:
* Called during system initialization from normal user mode
*
****************************************************************************/
int netdev_register(FAR struct uip_driver_s *dev)
{
if (dev)
{
int devnum;
netdev_semtake();
/* Assign a device name to the interface */
devnum = g_next_devnum++;
snprintf(dev->d_ifname, IFNAMSIZ, NETDEV_FORMAT, devnum );
/* Add the device to the list of known network devices */
dev->flink = g_netdevices;
g_netdevices = dev;
/* Configure the device for IGMP support */
#ifdef CONFIG_NET_IGMP
igmp_devinit(dev);
#endif
netdev_semgive();
#ifdef CONFIG_NET_ETHERNET
nlldbg("Registered MAC: %02x:%02x:%02x:%02x:%02x:%02x as dev: %s\n",
dev->d_mac.ether_addr_octet[0], dev->d_mac.ether_addr_octet[1],
dev->d_mac.ether_addr_octet[2], dev->d_mac.ether_addr_octet[3],
dev->d_mac.ether_addr_octet[4], dev->d_mac.ether_addr_octet[5],
dev->d_ifname);
#else
nlldbg("Registered dev: %s\n", dev->d_ifname);
#endif
return OK;
}
return -EINVAL;
}
#endif /* CONFIG_NET && CONFIG_NSOCKET_DESCRIPTORS */
+109
View File
@@ -0,0 +1,109 @@
/****************************************************************************
* net/netdev/netdev_rxnotify.c
*
* Copyright (C) 2013 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) && CONFIG_NSOCKET_DESCRIPTORS > 0 && defined(CONFIG_NET_RXAVAIL)
#include <sys/types.h>
#include <string.h>
#include <errno.h>
#include <debug.h>
#include <nuttx/net/netdev.h>
#include "net.h"
#include "netdev/netdev.h"
/****************************************************************************
* Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Global Functions
****************************************************************************/
/****************************************************************************
* Function: netdev_rxnotify
*
* Description:
* Notify the device driver that the application waits for RX data.
*
* Parameters:
* raddr - The remote address to send the data
*
* Returned Value:
* None
*
* Assumptions:
* Called from normal user mode
*
****************************************************************************/
void netdev_rxnotify(const uip_ipaddr_t raddr)
{
/* Find the device driver that serves the subnet of the remote address */
struct uip_driver_s *dev = netdev_findbyaddr(raddr);
if (dev && dev->d_rxavail)
{
/* Notify the device driver that new RX data is available. */
(void)dev->d_rxavail(dev);
}
}
#endif /* CONFIG_NET && CONFIG_NSOCKET_DESCRIPTORS && CONFIG_NET_RXAVAIL */
+179
View File
@@ -0,0 +1,179 @@
/****************************************************************************
* net/netdev/netdev_sem.c
*
* Copyright (C) 2012 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) && CONFIG_NSOCKET_DESCRIPTORS > 0
#include <sys/types.h>
#include <unistd.h>
#include <semaphore.h>
#include <assert.h>
#include <errno.h>
#include "net.h"
#include "netdev/netdev.h"
/****************************************************************************
* Definitions
****************************************************************************/
#define NO_HOLDER (pid_t)-1
/****************************************************************************
* Priviate Types
****************************************************************************/
/* There is at least on context in which recursive semaphores are required:
* When netdev_foreach is used with a telnet client, we will deadlock if we
* do not provide this capability.
*/
struct netdev_sem_s
{
sem_t sem;
pid_t holder;
unsigned int count;
};
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
static struct netdev_sem_s g_devlock;
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Global Functions
****************************************************************************/
/****************************************************************************
* Function: netdev_seminit
*
* Description:
* Initialize the network device semaphore.
*
****************************************************************************/
void netdev_seminit(void)
{
sem_init(&g_devlock.sem, 0, 1);
g_devlock.holder = NO_HOLDER;
g_devlock.count = 0;
}
/****************************************************************************
* Function: netdev_semtake
*
* Description:
* Get exclusive access to the network device list.
*
****************************************************************************/
void netdev_semtake(void)
{
pid_t me = getpid();
/* Does this thread already hold the semaphore? */
if (g_devlock.holder == me)
{
/* Yes.. just increment the reference count */
g_devlock.count++;
}
else
{
/* No.. take the semaphore (perhaps waiting) */
while (net_lockedwait(&g_devlock.sem) != 0)
{
/* The only case that an error should occur here is if
* the wait was awakened by a signal.
*/
ASSERT(errno == EINTR);
}
/* Now this thread holds the semaphore */
g_devlock.holder = me;
g_devlock.count = 1;
}
}
/****************************************************************************
* Function: netdev_semtake
*
* Description:
* Release exclusive access to the network device list
*
****************************************************************************/
void netdev_semgive(void)
{
DEBUGASSERT(g_devlock.holder == getpid() && g_devlock.count > 0);
/* If the count would go to zero, then release the semaphore */
if (g_devlock.count == 1)
{
/* We no longer hold the semaphore */
g_devlock.holder = NO_HOLDER;
g_devlock.count = 0;
sem_post(&g_devlock.sem);
}
else
{
/* We still hold the semaphore. Just decrement the count */
g_devlock.count--;
}
}
#endif /* CONFIG_NET && CONFIG_NSOCKET_DESCRIPTORS */
+108
View File
@@ -0,0 +1,108 @@
/****************************************************************************
* net/netdev/netdev_txnotify.c
*
* Copyright (C) 2007-2009, 2012 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) && CONFIG_NSOCKET_DESCRIPTORS > 0
#include <sys/types.h>
#include <string.h>
#include <errno.h>
#include <debug.h>
#include <nuttx/net/netdev.h>
#include "net.h"
#include "netdev/netdev.h"
/****************************************************************************
* Definitions
****************************************************************************/
/****************************************************************************
* Priviate Types
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Global Functions
****************************************************************************/
/****************************************************************************
* Function: netdev_txnotify
*
* Description:
* Notify the device driver that new TX data is available.
*
* Parameters:
* raddr - The remote address to send the data
*
* Returned Value:
* None
*
* Assumptions:
* Called from normal user mode
*
****************************************************************************/
void netdev_txnotify(const uip_ipaddr_t raddr)
{
/* Find the device driver that serves the subnet of the remote address */
struct uip_driver_s *dev = netdev_findbyaddr(raddr);
if (dev && dev->d_txavail)
{
/* Notify the device driver that new TX data is available. */
(void)dev->d_txavail(dev);
}
}
#endif /* CONFIG_NET && CONFIG_NSOCKET_DESCRIPTORS */
+160
View File
@@ -0,0 +1,160 @@
/****************************************************************************
* net/netdev/netdev_unregister.c
*
* Copyright (C) 2011 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) && CONFIG_NSOCKET_DESCRIPTORS > 0
#include <sys/socket.h>
#include <stdio.h>
#include <semaphore.h>
#include <assert.h>
#include <string.h>
#include <errno.h>
#include <debug.h>
#include <net/if.h>
#include <net/ethernet.h>
#include <nuttx/net/netdev.h>
#include "net.h"
#include "netdev/netdev.h"
/****************************************************************************
* Definitions
****************************************************************************/
#ifdef CONFIG_NET_SLIP
# define NETDEV_FORMAT "sl%d"
#else
# define NETDEV_FORMAT "eth%d"
#endif
/****************************************************************************
* Priviate Types
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Global Functions
****************************************************************************/
/****************************************************************************
* Function: netdev_unregister
*
* Description:
* Unregister a network device driver.
*
* Parameters:
* dev - The device driver structure to un-register
*
* Returned Value:
* 0:Success; negated errno on failure
*
* Assumptions:
* Currently only called for USB networking devices when the device is
* physically removed from the slot
*
****************************************************************************/
int netdev_unregister(FAR struct uip_driver_s *dev)
{
struct uip_driver_s *prev;
struct uip_driver_s *curr;
if (dev)
{
netdev_semtake();
/* Find the device in the list of known network devices */
for (prev = NULL, curr = g_netdevices;
curr && curr != dev;
prev = curr, curr = curr->flink);
/* Remove the device to the list of known network devices */
if (curr)
{
/* Where was the entry */
if (prev)
{
/* The entry was in the middle or at the end of the list */
prev->flink = curr->flink;
}
else
{
/* The entry was at the beginning of the list */
g_netdevices = curr;
}
curr->flink = NULL;
}
netdev_semgive();
#ifdef CONFIG_NET_ETHERNET
nlldbg("Unregistered MAC: %02x:%02x:%02x:%02x:%02x:%02x as dev: %s\n",
dev->d_mac.ether_addr_octet[0], dev->d_mac.ether_addr_octet[1],
dev->d_mac.ether_addr_octet[2], dev->d_mac.ether_addr_octet[3],
dev->d_mac.ether_addr_octet[4], dev->d_mac.ether_addr_octet[5],
dev->d_ifname);
#else
nlldbg("Registered dev: %s\n", dev->d_ifname);
#endif
return OK;
}
return -EINVAL;
}
#endif /* CONFIG_NET && CONFIG_NSOCKET_DESCRIPTORS */