[ip6] add header ip6_types.hpp for common types and constants (#7547)

This commit adds new header file `ip6_types.hpp` which include
common IPv6 related types (enumerations) and constants. It also
moves the `Ecn` constants and define them as an `enum`.
This commit is contained in:
Abtin Keshavarzian
2022-03-31 21:27:42 -07:00
committed by GitHub
parent 35a568eee5
commit 03876128a9
10 changed files with 131 additions and 55 deletions
+1
View File
@@ -553,6 +553,7 @@ openthread_core_files = [
"net/ip6_headers.hpp",
"net/ip6_mpl.cpp",
"net/ip6_mpl.hpp",
"net/ip6_types.hpp",
"net/nd_agent.cpp",
"net/nd_agent.hpp",
"net/netif.cpp",
+1
View File
@@ -559,6 +559,7 @@ HEADERS_COMMON = \
net/ip6_filter.hpp \
net/ip6_headers.hpp \
net/ip6_mpl.hpp \
net/ip6_types.hpp \
net/nd_agent.hpp \
net/netif.hpp \
net/sntp_client.hpp \
+1 -1
View File
@@ -456,7 +456,7 @@ Error Ip6::SendDatagram(Message &aMessage, MessageInfo &aMessageInfo, uint8_t aI
header.Init();
header.SetDscp(PriorityToDscp(aMessage.GetPriority()));
header.SetEcn(aMessageInfo.mEcn);
header.SetEcn(aMessageInfo.GetEcn());
header.SetPayloadLength(payloadLength);
header.SetNextHeader(aIpProto);
+1 -12
View File
@@ -51,6 +51,7 @@
#include "net/ip6_address.hpp"
#include "net/ip6_headers.hpp"
#include "net/ip6_mpl.hpp"
#include "net/ip6_types.hpp"
#include "net/netif.hpp"
#include "net/socket.hpp"
#include "net/tcp6.hpp"
@@ -108,18 +109,6 @@ class Ip6 : public InstanceLocator, private NonCopyable
friend class Mpl;
public:
/**
* The max datagram length (in bytes) of an IPv6 message.
*
*/
static constexpr uint16_t kMaxDatagramLength = OPENTHREAD_CONFIG_IP6_MAX_DATAGRAM_LENGTH;
/**
* The max datagram length (in bytes) of an unfragmented IPv6 message.
*
*/
static constexpr uint16_t kMaxAssembledDatagramLength = OPENTHREAD_CONFIG_IP6_MAX_ASSEMBLED_DATAGRAM;
/**
* This constructor initializes the object.
*
+2 -2
View File
@@ -60,9 +60,9 @@ bool Header::IsValid(void) const
// check Payload Length
#if !OPENTHREAD_CONFIG_IP6_FRAGMENTATION_ENABLE
VerifyOrExit((sizeof(*this) + GetPayloadLength()) <= Ip6::kMaxDatagramLength, ret = false);
VerifyOrExit((sizeof(*this) + GetPayloadLength()) <= kMaxDatagramLength, ret = false);
#else
VerifyOrExit((sizeof(*this) + GetPayloadLength()) <= Ip6::kMaxAssembledDatagramLength, ret = false);
VerifyOrExit((sizeof(*this) + GetPayloadLength()) <= kMaxAssembledDatagramLength, ret = false);
#endif
exit:
+5 -36
View File
@@ -41,6 +41,7 @@
#include "common/encoding.hpp"
#include "common/message.hpp"
#include "net/ip6_address.hpp"
#include "net/ip6_types.hpp"
#include "net/netif.hpp"
#include "net/socket.hpp"
@@ -85,33 +86,6 @@ using ot::Encoding::BigEndian::HostSwap32;
*
*/
// Internet Protocol Numbers
static constexpr uint8_t kProtoHopOpts = OT_IP6_PROTO_HOP_OPTS; ///< IPv6 Hop-by-Hop Option
static constexpr uint8_t kProtoTcp = OT_IP6_PROTO_TCP; ///< Transmission Control Protocol
static constexpr uint8_t kProtoUdp = OT_IP6_PROTO_UDP; ///< User Datagram
static constexpr uint8_t kProtoIp6 = OT_IP6_PROTO_IP6; ///< IPv6 encapsulation
static constexpr uint8_t kProtoRouting = OT_IP6_PROTO_ROUTING; ///< Routing Header for IPv6
static constexpr uint8_t kProtoFragment = OT_IP6_PROTO_FRAGMENT; ///< Fragment Header for IPv6
static constexpr uint8_t kProtoIcmp6 = OT_IP6_PROTO_ICMP6; ///< ICMP for IPv6
static constexpr uint8_t kProtoNone = OT_IP6_PROTO_NONE; ///< No Next Header for IPv6
static constexpr uint8_t kProtoDstOpts = OT_IP6_PROTO_DST_OPTS; ///< Destination Options for IPv6
/**
* Class Selectors
*/
enum IpDscpCs : uint8_t
{
kDscpCs0 = 0, ///< Class selector codepoint 0
kDscpCs1 = 8, ///< Class selector codepoint 8
kDscpCs2 = 16, ///< Class selector codepoint 16
kDscpCs3 = 24, ///< Class selector codepoint 24
kDscpCs4 = 32, ///< Class selector codepoint 32
kDscpCs5 = 40, ///< Class selector codepoint 40
kDscpCs6 = 48, ///< Class selector codepoint 48
kDscpCs7 = 56, ///< Class selector codepoint 56
kDscpCsMask = 0x38, ///< Class selector mask
};
/**
* This class implements IPv6 header generation and parsing.
*
@@ -196,15 +170,15 @@ public:
* @returns The IPv6 ECN value.
*
*/
uint8_t GetEcn(void) const { return (mVersionClassFlow.m8[1] & kEcnMask) >> kEcnOffset; }
Ecn GetEcn(void) const { return static_cast<Ecn>((mVersionClassFlow.m8[1] & kEcnMask) >> kEcnOffset); }
/**
* This method sets the Ipv6 ECN value.
* This method sets the IPv6 ECN value.
*
* @param[in] aEcn The Ipv6 ECN value.
* @param[in] aEcn The IPv6 ECN value.
*
*/
void SetEcn(uint8_t aEcn)
void SetEcn(Ecn aEcn)
{
mVersionClassFlow.m8[1] = (mVersionClassFlow.m8[1] & ~kEcnMask) | ((aEcn << kEcnOffset) & kEcnMask);
}
@@ -314,11 +288,6 @@ private:
static constexpr uint8_t kEcnMask = 0x30; // To use with `mVersionClassFlow.m8[1]`
static constexpr uint32_t kVersionClassFlowInit = 0x60000000; // Version 6, TC and flow zero.
static constexpr uint8_t kEcnNotCapable = OT_ECN_NOT_CAPABLE; ///< Non-ECT
static constexpr uint8_t kEcnCapable0 = OT_ECN_CAPABLE_0; ///< ECT(0)
static constexpr uint8_t kEcnCapable1 = OT_ECN_CAPABLE_1; ///< ECT(1)
static constexpr uint8_t kEcnMarked = OT_ECN_MARKED; ///< Congestion encountered (CE)
union OT_TOOL_PACKED_FIELD
{
uint8_t m8[sizeof(uint32_t) / sizeof(uint8_t)];
+115
View File
@@ -0,0 +1,115 @@
/*
* Copyright (c) 2016-2022, The OpenThread Authors.
* All rights reserved.
*
* 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 of the copyright holder 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 HOLDER 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.
*/
/**
* @file
* This file includes types and constants for IPv6 processing.
*/
#ifndef IP6_TYPES_HPP_
#define IP6_TYPES_HPP_
#include "openthread-core-config.h"
#include <stddef.h>
#include <stdint.h>
namespace ot {
namespace Ip6 {
/**
* @addtogroup core-ip6-ip6
*
* @brief
* This module includes definitions for core IPv6 networking.
*
* @{
*
*/
// Internet Protocol Numbers
static constexpr uint8_t kProtoHopOpts = OT_IP6_PROTO_HOP_OPTS; ///< IPv6 Hop-by-Hop Option
static constexpr uint8_t kProtoTcp = OT_IP6_PROTO_TCP; ///< Transmission Control Protocol
static constexpr uint8_t kProtoUdp = OT_IP6_PROTO_UDP; ///< User Datagram
static constexpr uint8_t kProtoIp6 = OT_IP6_PROTO_IP6; ///< IPv6 encapsulation
static constexpr uint8_t kProtoRouting = OT_IP6_PROTO_ROUTING; ///< Routing Header for IPv6
static constexpr uint8_t kProtoFragment = OT_IP6_PROTO_FRAGMENT; ///< Fragment Header for IPv6
static constexpr uint8_t kProtoIcmp6 = OT_IP6_PROTO_ICMP6; ///< ICMP for IPv6
static constexpr uint8_t kProtoNone = OT_IP6_PROTO_NONE; ///< No Next Header for IPv6
static constexpr uint8_t kProtoDstOpts = OT_IP6_PROTO_DST_OPTS; ///< Destination Options for IPv6
/**
* The max datagram length (in bytes) of an IPv6 message.
*
*/
static constexpr uint16_t kMaxDatagramLength = OPENTHREAD_CONFIG_IP6_MAX_DATAGRAM_LENGTH;
/**
* The max datagram length (in bytes) of an unfragmented IPv6 message.
*
*/
static constexpr uint16_t kMaxAssembledDatagramLength = OPENTHREAD_CONFIG_IP6_MAX_ASSEMBLED_DATAGRAM;
/**
* Class Selectors
*
*/
enum IpDscpCs : uint8_t
{
kDscpCs0 = 0, ///< Class selector codepoint 0
kDscpCs1 = 8, ///< Class selector codepoint 8
kDscpCs2 = 16, ///< Class selector codepoint 16
kDscpCs3 = 24, ///< Class selector codepoint 24
kDscpCs4 = 32, ///< Class selector codepoint 32
kDscpCs5 = 40, ///< Class selector codepoint 40
kDscpCs6 = 48, ///< Class selector codepoint 48
kDscpCs7 = 56, ///< Class selector codepoint 56
kDscpCsMask = 0x38, ///< Class selector mask
};
/**
* This enumeration represents the Explicit Congestion Notification (ECN) values.
*
*/
enum Ecn : uint8_t
{
kEcnNotCapable = OT_ECN_NOT_CAPABLE, ///< Non ECN-Capable Transport (ECT).
kEcnCapable0 = OT_ECN_CAPABLE_0, ///< ECN Capable Transport, ECT(0).
kEcnCapable1 = OT_ECN_CAPABLE_1, ///< ECN Capable Transport, ECT(1).
kEcnMarked = OT_ECN_MARKED, ///< Congestion encountered.
};
/**
* @}
*
*/
} // namespace Ip6
} // namespace ot
#endif // IP6_TYPES_HPP_
+3 -2
View File
@@ -39,6 +39,7 @@
#include "common/clearable.hpp"
#include "common/equatable.hpp"
#include "net/ip6_address.hpp"
#include "net/ip6_types.hpp"
namespace ot {
@@ -209,7 +210,7 @@ public:
* @returns The ECN status, as represented in the IP header.
*
*/
uint8_t GetEcn(void) const { return mEcn; }
Ecn GetEcn(void) const { return static_cast<Ecn>(mEcn); }
/**
* This method sets the ECN status.
@@ -217,7 +218,7 @@ public:
* @param[in] aEcn The ECN status, as represented in the IP header.
*
*/
void SetEcn(uint8_t aEcn) { mEcn = aEcn; }
void SetEcn(Ecn aEcn) { mEcn = aEcn; }
/**
* This method indicates whether peer is via the host interface.
+1 -1
View File
@@ -669,7 +669,7 @@ private:
OPENTHREAD_CONFIG_SRP_CLIENT_MAX_TIMEOUT_FAILURES_TO_SWITCH_SERVER;
#endif
static constexpr uint16_t kUdpPayloadSize = Ip6::Ip6::kMaxDatagramLength - sizeof(Ip6::Udp::Header);
static constexpr uint16_t kUdpPayloadSize = Ip6::kMaxDatagramLength - sizeof(Ip6::Udp::Header);
// -------------------------------
// Lease related constants
+1 -1
View File
@@ -756,7 +756,7 @@ public:
void HandleServiceUpdateResult(ServiceUpdateId aId, Error aError);
private:
static constexpr uint16_t kUdpPayloadSize = Ip6::Ip6::kMaxDatagramLength - sizeof(Ip6::Udp::Header);
static constexpr uint16_t kUdpPayloadSize = Ip6::kMaxDatagramLength - sizeof(Ip6::Udp::Header);
static constexpr uint32_t kDefaultMinLease = 60u * 30; // 30 min (in seconds).
static constexpr uint32_t kDefaultMaxLease = 3600u * 2; // 2 hours (in seconds).