incubator-nuttx/net/netdev/netdev_txnotify.c

133 lines
4.0 KiB
C

/****************************************************************************
* net/netdev/netdev_txnotify.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/types.h>
#include <string.h>
#include <errno.h>
#include <debug.h>
#include <nuttx/net/netdev.h>
#include <nuttx/net/ip.h>
#include "netdev/netdev.h"
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: netdev_ipv4_txnotify
*
* Description:
* Notify the device driver that forwards the IPv4 address that new TX
* data is available.
*
* Input Parameters:
* lipaddr - The local address bound to the socket
* ripaddr - The remote address to send the data
*
* Returned Value:
* None
*
****************************************************************************/
#ifdef CONFIG_NET_IPv4
void netdev_ipv4_txnotify(in_addr_t lipaddr, in_addr_t ripaddr)
{
FAR struct net_driver_s *dev;
/* Find the device driver that serves the subnet of the remote address */
dev = netdev_findby_ripv4addr(lipaddr, ripaddr);
if (dev && dev->d_txavail)
{
/* Notify the device driver that new TX data is available. */
dev->d_txavail(dev);
}
}
#endif /* CONFIG_NET_IPv4 */
/****************************************************************************
* Name: netdev_ipv6_txnotify
*
* Description:
* Notify the device driver that forwards the IPv4 address that new TX
* data is available.
*
* Input Parameters:
* lipaddr - The local address bound to the socket
* ripaddr - The remote address to send the data
*
* Returned Value:
* None
*
****************************************************************************/
#ifdef CONFIG_NET_IPv6
void netdev_ipv6_txnotify(FAR const net_ipv6addr_t lipaddr,
FAR const net_ipv6addr_t ripaddr)
{
FAR struct net_driver_s *dev;
/* Find the device driver that serves the subnet of the remote address */
dev = netdev_findby_ripv6addr(lipaddr, ripaddr);
if (dev && dev->d_txavail)
{
/* Notify the device driver that new TX data is available. */
dev->d_txavail(dev);
}
}
#endif /* CONFIG_NET_IPv6 */
/****************************************************************************
* Name: netdev_txnotify_dev
*
* Description:
* Notify the device driver that new TX data is available. This variant
* would be called when the upper level logic already understands how the
* packet will be routed.
*
* Input Parameters:
* dev - The network device driver state structure.
*
* Returned Value:
* None
*
****************************************************************************/
void netdev_txnotify_dev(FAR struct net_driver_s *dev)
{
if (dev != NULL && dev->d_txavail != NULL)
{
/* Notify the device driver that new TX data is available. */
dev->d_txavail(dev);
}
}