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/***************************************************************************
* Copyright (c) 2024 Microsoft Corporation
* Copyright (c) 2025-present Eclipse ThreadX Contributors
*
* This program and the accompanying materials are made available under the
* terms of the MIT License which is available at
* https://opensource.org/licenses/MIT.
*
* SPDX-License-Identifier: MIT
**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** NetX Component */
/** */
/** Internet Protocol (IP) */
/** */
/**************************************************************************/
/**************************************************************************/
#define NX_SOURCE_CODE
/* Include necessary system files. */
#include "nx_api.h"
#include "nx_ipv6.h"
#ifdef FEATURE_NX_IPV6
/**************************************************************************/
/* */
/* FUNCTION RELEASE */
/* */
/* _nxd_ipv6_raw_packet_send_internal PORTABLE C */
/* 6.4.3 */
/* AUTHOR */
/* */
/* Yuxin Zhou, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This is the internal function NetX Duo uses to send a raw IP packet */
/* through the specified IPv6 interface. */
/* */
/* INPUT */
/* */
/* ip_ptr Pointer to IP control block */
/* packet_ptr Pointer to packet to send */
/* destination_ip Destination IP address */
/* protocol Information that goes into */
/* the next header field. */
/* */
/* OUTPUT */
/* */
/* status Completion status */
/* */
/* CALLS */
/* */
/* _nx_ipv6_packet_send Core IPv6 packet send service */
/* _nxd_ipv6_interface_find Determines a valid interface */
/* tx_mutex_get Get protection mutex */
/* tx_mutex_put Put protection mutex */
/* COPY_IPV6_ADDRESS Copy IPv6 address */
/* */
/* CALLED BY */
/* */
/* Application */
/* */
/**************************************************************************/
UINT _nxd_ipv6_raw_packet_send_internal(NX_IP *ip_ptr, NX_PACKET *packet_ptr,
NXD_ADDRESS *destination_ip,
ULONG protocol)
{
#ifdef TX_ENABLE_EVENT_TRACE
ULONG ip_address_lsw;
#endif /* TX_ENABLE_EVENT_TRACE */
#ifdef TX_ENABLE_EVENT_TRACE
ip_address_lsw = destination_ip -> nxd_ip_address.v6[3];
/* If trace is enabled, insert this event into the trace buffer. */
NX_TRACE_IN_LINE_INSERT(NXD_TRACE_IPV6_RAW_PACKET_SEND, ip_ptr, ip_address_lsw, protocol, packet_ptr, NX_TRACE_IP_EVENTS, 0, 0);
#endif /* TX_ENABLE_EVENT_TRACE */
NX_ASSERT(packet_ptr -> nx_packet_address.nx_packet_ipv6_address_ptr != NX_NULL);
/* Tag the IP version for this packet. */
packet_ptr -> nx_packet_ip_version = NX_IP_VERSION_V6;
/* Get mutex protection. */
tx_mutex_get(&(ip_ptr -> nx_ip_protection), TX_WAIT_FOREVER);
/* Ok to send the packet! */
_nx_ipv6_packet_send(ip_ptr, packet_ptr, protocol, packet_ptr -> nx_packet_length, ip_ptr -> nx_ipv6_hop_limit,
packet_ptr -> nx_packet_address.nx_packet_ipv6_address_ptr -> nxd_ipv6_address,
destination_ip -> nxd_ip_address.v6);
/* Release mutex protection. */
tx_mutex_put(&(ip_ptr -> nx_ip_protection));
/* Return a successful status! */
return(NX_SUCCESS);
}
#endif /* FEATURE_NX_IPV6 */
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