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