net: Initial UDP support
Create a handler for catching UDP network traffic. This commit is only providing infrastructure for UDP management. Change-Id: Ia6f8de62773a85f7b637b73bfe3c89197cc2abb1 Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
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@ -191,6 +191,7 @@ static inline void net_nbuf_ll_swap(struct net_buf *buf)
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#define NET_IPV6_BUF(buf) ((struct net_ipv6_hdr *)net_nbuf_ip_data(buf))
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#define NET_IPV4_BUF(buf) ((struct net_ipv4_hdr *)net_nbuf_ip_data(buf))
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#define NET_ICMP_BUF(buf) ((struct net_icmp_hdr *)net_nbuf_icmp_data(buf))
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#define NET_UDP_BUF(buf) ((struct net_udp_hdr *)(net_nbuf_udp_data(buf)))
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#define net_nbuf_set_src_ipv6_addr(buf) \
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net_if_select_src(net_context_get_if(nbuf_context(buf)), \
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@ -322,6 +322,12 @@ config NETWORK_IP_STACK_DEBUG_L2
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help
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Enables L2 output debug messages
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config NETWORK_IP_STACK_DEBUG_UDP
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bool "Debug UDP"
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default n
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help
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Enables UDP debug messages
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config NETWORK_IP_STACK_DEBUG_CONN
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bool "Debug connection handling"
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default n
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@ -121,6 +121,12 @@ config NET_MAX_ROUTERS
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help
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The value depends on your network needs.
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config NET_UDP
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bool "Enable UDP"
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default y
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help
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The value depends on your network needs.
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config NET_MAX_CONN
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int "How many network connections are supported"
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depends on NET_UDP || NET_TCP
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@ -114,7 +114,7 @@ static inline void stats(void)
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GET_STAT(udp.sent),
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GET_STAT(udp.drop));
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PRINT("UDP chkerr %d",
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GET_STAT(icmp.chkerr));
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GET_STAT(udp.chkerr));
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#endif
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PRINT("Processing err %d", GET_STAT(processing_error));
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90
net/yaip/udp.h
Normal file
90
net/yaip/udp.h
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@ -0,0 +1,90 @@
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/** @file
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@brief UDP data handler
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This is not to be included by the application.
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*/
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/*
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* Copyright (c) 2016 Intel Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* 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,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __UDP_H
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#define __UDP_H
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#include <stdint.h>
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#include <net/net_core.h>
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#include <net/net_ip.h>
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#include <net/nbuf.h>
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#include "connection.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Register a callback to be called when UDP packet
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* is received corresponding to received packet.
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*
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* @param remote_addr Remote address of the connection end point.
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* @param local_addr Local address of the connection end point.
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* @param remote_port Remote port of the connection end point.
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* @param local_port Local port of the connection end point.
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* @param cb Callback to be called
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* @param user_data User data supplied by caller.
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* @param handle UDP handle that can be used when unregistering
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*
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* @return Return 0 if the registration succeed, <0 otherwise.
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*/
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static inline int net_udp_register(const struct net_addr *remote_addr,
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const struct net_addr *local_addr,
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uint16_t remote_port,
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uint16_t local_port,
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net_conn_cb_t cb,
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void *user_data,
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void **handle)
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{
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return net_conn_register(IPPROTO_UDP, remote_addr, local_addr,
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remote_port, local_port, cb, user_data,
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handle);
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}
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/**
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* @brief Unregister UDP handler.
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*
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* @param handle Handle from registering.
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*
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* @return Return 0 if the unregistration succeed, <0 otherwise.
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*/
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static inline int net_udp_unregister(void *handle)
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{
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return net_conn_unregister(handle);
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}
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#if defined(CONFIG_NET_UDP)
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static inline void net_udp_init(void)
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{
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return;
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}
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#else
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#define net_udp_init(...)
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* __UDP_H */
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