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Merge pull request #3599 from authmillenon/icmpv6/api/take-hdrs-out

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icmpv6: put message definitions in their own files
This commit is contained in:
Oleg Hahm 2015-08-18 18:17:28 +02:00
commit 147bf75d5b
14 changed files with 286 additions and 289 deletions
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223
sys/include/net/icmpv6.h Normal file
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@ -0,0 +1,223 @@
/*
* Copyright (C) 2015 Martine Lenders <mlenders@inf.fu-berlin.de>
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @defgroup net_icmpv6 ICMPV6
* @ingroup net_ipv6
* @brief Provides types related to ICMPv6
* @see <a href="https://tools.ietf.org/html/rfc4443">
* RFC 4443
* </a>
* @{
*
* @file
* @brief ICMPv6 type and function definitions
*
* @author Martine Lenders <mlenders@inf.fu-berlin.de>
*/
#ifndef ICMPV6_H_
#define ICMPV6_H_
#include <stdint.h>
#include "byteorder.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @{
* @name Error message types
* @see <a href="http://www.iana.org/assignments/icmpv6-parameters/icmpv6-parameters.xhtml#icmpv6-parameters-2">
* IANA, ICMPv6 "type" Numbers
* </a>
*/
#define ICMPV6_DEST_UNR (1) /**< Destination unreachable message */
#define ICMPV6_PKT_TOO_BIG (2) /**< Packet Too Big message */
#define ICMPV6_TIME_EXC (3) /**< Time Exceeded message */
#define ICMPV6_PARAM_PROB (4) /**< Parameter Problem message */
#define ICMPV6_ERR_EXP1 (100) /**< message type for private experimentation */
#define ICMPV6_ERR_EXP2 (101) /**< message type for private experimentation */
/**
* @}
*/
/**
* @{
* @name Informational message types
* @see <a href="http://www.iana.org/assignments/icmpv6-parameters/icmpv6-parameters.xhtml#icmpv6-parameters-2">
* IANA, ICMPv6 "type" Numbers
* </a>
*/
#define ICMPV6_ECHO_REQ (128) /**< Echo request message (ping) */
#define ICMPV6_ECHO_REP (129) /**< Echo reply message (pong) */
#define ICMPV6_RTR_SOL (133) /**< NDP router solicitation message */
#define ICMPV6_RTR_ADV (134) /**< NDP router advertisement message */
#define ICMPV6_NBR_SOL (135) /**< NDP neighbor solicitation message */
#define ICMPV6_NBR_ADV (136) /**< NDP neighbor advertisement message */
#define ICMPV6_REDIRECT (137) /**< NDP redirect message */
#define ICMPV6_RPL_CTRL (155) /**< RPL control message */
#define ICMPV6_INF_EXP1 (200) /**< message type for private experimentation */
#define ICMPV6_INF_EXP2 (201) /**< message type for private experimentation */
/**
* @}
*/
/**
* @{
* @name Codes for destination unreachable messages
*
* @see <a href="https://tools.ietf.org/html/rfc4443#section-3.1">
* RFC 4443, section 3.1
* </a>
*/
#define ICMPV6_ERROR_DST_UNR_NO_ROUTE (0) /**< no route to destination */
#define ICMPV6_ERROR_DST_UNR_PROHIB (1) /**< communictation with
* destination administratively
* prohibited */
#define ICMPV6_ERROR_DST_UNR_SCOPE (2) /**< beyond scope of source address */
#define ICMPV6_ERROR_DST_UNR_ADDR (3) /**< address unreachable */
#define ICMPV6_ERROR_DST_UNR_PORT (4) /**< port unreachable */
#define ICMPV6_ERROR_DST_UNR_POLICY (5) /**< source address failed ingress/egress
* policy */
#define ICMPV6_ERROR_DST_UNR_REJECT (6) /**< reject route to destination */
/**
* @}
*/
/**
* @{
* @name Codes for time exceeded messages
*
* @see <a href="https://tools.ietf.org/html/rfc4443#section-3.3">
* RFC 4443, section 3.3
* </a>
*/
#define ICMPV6_ERROR_TIME_EXC_HL (0) /**< hop limit exceeded in transit */
#define ICMPV6_ERROR_TIME_EXC_FRAG (1) /**< fragment reassembly time exceeded */
/**
* @}
*/
/**
* @{
* @name Codes for parameter problem messages
*
* @see <a href="https://tools.ietf.org/html/rfc4443#section-3.4">
* RFC 4443, section 3.4
* </a>
*/
#define ICMPV6_ERROR_PARAM_PROB_HDR_FIELD (0) /**< errorneous header field
* encountered */
#define ICMPV6_ERROR_PARAM_PROB_NH (1) /**< unrecognized next header
* field encountered */
#define ICMPV6_ERROR_PARAM_PROB_OPT (2) /**< unrecognized IPv6 option
* field encountered */
/**
* @}
*/
/**
* @brief General ICMPv6 message format.
*
* @see <a href="https://tools.ietf.org/html/rfc4443#section-2.1">
* RFC 4443, section 2.1
* </a>
*/
typedef struct __attribute__((packed)) {
uint8_t type; /**< message type */
uint8_t code; /**< message code */
network_uint16_t csum; /**< checksum */
} icmpv6_hdr_t;
/**
* @brief Destination unreachable message format.
* @extends icmpv6_hdr_t
*
* @see <a href="https://tools.ietf.org/html/rfc4443#section-3.1">
* RFC 4443, section 3.1
* </a>
*/
typedef struct __attribute__((packed)) {
uint8_t type; /**< message type */
uint8_t code; /**< message code */
network_uint16_t csum; /**< checksum */
network_uint32_t unused; /**< unused field */
} icmpv6_error_dst_unr_t;
/**
* @brief Packet too big message format.
* @extends icmpv6_hdr_t
*
* @see <a href="https://tools.ietf.org/html/rfc4443#section-3.2">
* RFC 4443, section 3.2
* </a>
*/
typedef struct __attribute__((packed)) {
uint8_t type; /**< message type */
uint8_t code; /**< message code */
network_uint16_t csum; /**< checksum */
network_uint32_t mtu; /**< MTU */
} icmpv6_error_pkt_too_big_t;
/**
* @brief Time exceeded message format.
* @extends icmpv6_hdr_t
*
* @see <a href="https://tools.ietf.org/html/rfc4443#section-3.3">
* RFC 4443, section 3.3
* </a>
*/
typedef struct __attribute__((packed)) {
uint8_t type; /**< message type */
uint8_t code; /**< message code */
network_uint16_t csum; /**< checksum */
network_uint32_t unused; /**< unused field */
} icmpv6_error_time_exc_t;
/**
* @brief Parameter problem message format.
* @extends icmpv6_hdr_t
*
* @see <a href="https://tools.ietf.org/html/rfc4443#section-3.4">
* RFC 4443, section 3.3
* </a>
*/
typedef struct __attribute__((packed)) {
uint8_t type; /**< message type */
uint8_t code; /**< message code */
network_uint16_t csum; /**< checksum */
network_uint32_t ptr; /**< pointer */
} icmpv6_error_param_prob_t;
/**
* @brief Echo request and response message format.
* @extends icmpv6_hdr_t
*
* @see <a href="https://tools.ietf.org/html/rfc4443#section-4.1">
* RFC 4443, section 4.1
* </a>
* @see <a href="https://tools.ietf.org/html/rfc4443#section-4.2">
* RFC 4443, section 4.2
* </a>
*/
typedef struct __attribute__((packed)) {
uint8_t type; /**< message type */
uint8_t code; /**< message code */
network_uint16_t csum; /**< checksum */
network_uint16_t id; /**< identifier */
network_uint16_t seq; /**< Sequence number */
} icmpv6_echo_t;
#ifdef __cplusplus
}
#endif
#endif /* ICMPV6_H_ */
/** @} */

21
sys/include/net/ng_icmpv6.h
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@ -27,34 +27,17 @@
#ifndef NG_ICMPV6_H_
#define NG_ICMPV6_H_
#include <inttypes.h>
#include "byteorder.h"
#include "kernel_types.h"
#include "net/ng_nettype.h"
#include "net/icmpv6.h"
#include "net/ng_pkt.h"
#include "net/ng_icmpv6/echo.h"
#include "net/ng_icmpv6/error.h"
#include "net/ng_icmpv6/types.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief General ICMPv6 message format.
*
* @see <a href="https://tools.ietf.org/html/rfc4443#section-2.1">
* RFC 4443, section 2.1
* </a>
*/
typedef struct __attribute__((packed)) {
uint8_t type; /**< message type */
uint8_t code; /**< message code */
network_uint16_t csum; /**< checksum */
} ng_icmpv6_hdr_t;
/**
* @brief Demultiplexes a received ICMPv6 packet according to its type field.
*
@ -70,7 +53,7 @@ void ng_icmpv6_demux(kernel_pid_t iface, ng_pktsnip_t *pkt);
* @param[in] type Type for the ICMPv6 message.
* @param[in] code Code for the ICMPv6 message.
* @param[in] size Size of the ICMPv6 message (needs do be >
* `sizeof(ng_icmpv6_hdr_t)`).
* `sizeof(icmpv6_hdr_t)`).
*
* @return The ICMPv6 message on success
* @return NULL, on failure

28
sys/include/net/ng_icmpv6/echo.h
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@ -25,36 +25,16 @@
#include "byteorder.h"
#include "kernel_types.h"
#include "net/ipv6/hdr.h"
#include "net/ng_icmpv6/types.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Echo request and response message format.
* @extends ng_icmpv6_hdr_t
*
* @see <a href="https://tools.ietf.org/html/rfc4443#section-4.1">
* RFC 4443, section 4.1
* </a>
* @see <a href="https://tools.ietf.org/html/rfc4443#section-4.2">
* RFC 4443, section 4.2
* </a>
*/
typedef struct __attribute__((packed)) {
uint8_t type; /**< message type */
uint8_t code; /**< message code */
network_uint16_t csum; /**< checksum */
network_uint16_t id; /**< identifier */
network_uint16_t seq; /**< Sequence number */
} ng_icmpv6_echo_t;
/**
* @brief Builds an ICMPv6 echo message of type @p type for sending.
*
* @param[in] type Type of the echo message. Expected to be either
* NG_ICMPV6_ECHO_REQ or NG_ICMPV6_ECHO_REP.
* ICMPV6_ECHO_REQ or ICMPV6_ECHO_REP.
* @param[in] id ID for the echo message in host byte-order
* @param[in] seq Sequence number for the echo message in host byte-order
* @param[in] data Payload for the echo message
@ -84,7 +64,7 @@ ng_pktsnip_t *ng_icmpv6_echo_build(uint8_t type, uint16_t id, uint16_t seq,
static inline ng_pktsnip_t *ng_icmpv6_echo_req_build(uint16_t id, uint16_t seq,
uint8_t *data, size_t data_len)
{
return ng_icmpv6_echo_build(NG_ICMPV6_ECHO_REQ, id, seq, data, data_len);
return ng_icmpv6_echo_build(ICMPV6_ECHO_REQ, id, seq, data, data_len);
}
/**
@ -105,7 +85,7 @@ static inline ng_pktsnip_t *ng_icmpv6_echo_req_build(uint16_t id, uint16_t seq,
static inline ng_pktsnip_t *ng_icmpv6_echo_rep_build(uint16_t id, uint16_t seq,
uint8_t *data, size_t data_len)
{
return ng_icmpv6_echo_build(NG_ICMPV6_ECHO_REP, id, seq, data, data_len);
return ng_icmpv6_echo_build(ICMPV6_ECHO_REP, id, seq, data, data_len);
}
@ -119,7 +99,7 @@ static inline ng_pktsnip_t *ng_icmpv6_echo_rep_build(uint16_t id, uint16_t seq,
* of @p ipv6_hdr minus length of extension headers).
*/
void ng_icmpv6_echo_req_handle(kernel_pid_t iface, ipv6_hdr_t *ipv6_hdr,
ng_icmpv6_echo_t *echo, uint16_t len);
icmpv6_echo_t *echo, uint16_t len);
#ifdef __cplusplus
}

121
sys/include/net/ng_icmpv6/error.h
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@ -22,131 +22,10 @@
#ifndef NG_ICMPV6_ERROR_H_
#define NG_ICMPV6_ERROR_H_
#include <inttypes.h>
#include "byteorder.h"
#include "kernel_types.h"
#include "net/ng_icmpv6/types.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @{
* @name Codes for destination unreachable messages
*
* @see <a href="https://tools.ietf.org/html/rfc4443#section-3.1">
* RFC 4443, section 3.1
* </a>
*/
#define NG_ICMPV6_ERROR_DEST_UNR_NO_ROUTE (0) /**< no route to destination */
#define NG_ICMPV6_ERROR_DEST_UNR_PROHIB (1) /**< communictation with
* destination administratively
* prohibited */
#define NG_ICMPV6_ERROR_DEST_UNR_SCOPE (2) /**< beyond scope of source address */
#define NG_ICMPV6_ERROR_DEST_UNR_ADDR (3) /**< address unreachable */
#define NG_ICMPV6_ERROR_DEST_UNR_PORT (4) /**< port unreachable */
#define NG_ICMPV6_ERROR_DEST_UNR_POLICY (5) /**< source address failed ingress/egress
* policy */
#define NG_ICMPV6_ERROR_DEST_UNR_REJECT (6) /**< reject route to destination */
/**
* @}
*/
/**
* @{
* @name Codes for time exceeded messages
*
* @see <a href="https://tools.ietf.org/html/rfc4443#section-3.3">
* RFC 4443, section 3.3
* </a>
*/
#define NG_ICMPV6_ERROR_TIME_EXC_HL (0) /**< hop limit exceeded in transit */
#define NG_ICMPV6_ERROR_TIME_EXC_FRAG (1) /**< fragment reassembly time exceeded */
/**
* @}
*/
/**
* @{
* @name Codes for parameter problem messages
*
* @see <a href="https://tools.ietf.org/html/rfc4443#section-3.4">
* RFC 4443, section 3.4
* </a>
*/
#define NG_ICMPV6_ERROR_PARAM_PROB_HDR_FIELD (0) /**< errorneous header field
* encountered */
#define NG_ICMPV6_ERROR_PARAM_PROB_NH (1) /**< unrecognized next header
* field encountered */
#define NG_ICMPV6_ERROR_PARAM_PROB_OPT (2) /**< unrecognized IPv6 option
* field encountered */
/**
* @}
*/
/**
* @brief Destination unreachable message format.
* @extends ng_icmpv6_hdr_t
*
* @see <a href="https://tools.ietf.org/html/rfc4443#section-3.1">
* RFC 4443, section 3.1
* </a>
*/
typedef struct __attribute__((packed)) {
uint8_t type; /**< message type */
uint8_t code; /**< message code */
network_uint16_t csum; /**< checksum */
network_uint32_t unused; /**< unused field */
} ng_icmpv6_error_dst_unr_t;
/**
* @brief Packet too big message format.
* @extends ng_icmpv6_hdr_t
*
* @see <a href="https://tools.ietf.org/html/rfc4443#section-3.2">
* RFC 4443, section 3.2
* </a>
*/
typedef struct __attribute__((packed)) {
uint8_t type; /**< message type */
uint8_t code; /**< message code */
network_uint16_t csum; /**< checksum */
network_uint32_t mtu; /**< MTU */
} ng_icmpv6_error_pkt_too_big_t;
/**
* @brief Time exceeded message format.
* @extends ng_icmpv6_hdr_t
*
* @see <a href="https://tools.ietf.org/html/rfc4443#section-3.3">
* RFC 4443, section 3.3
* </a>
*/
typedef struct __attribute__((packed)) {
uint8_t type; /**< message type */
uint8_t code; /**< message code */
network_uint16_t csum; /**< checksum */
network_uint32_t unused; /**< unused field */
} ng_icmpv6_error_time_exc_t;
/**
* @brief Parameter problem message format.
* @extends ng_icmpv6_hdr_t
*
* @see <a href="https://tools.ietf.org/html/rfc4443#section-3.4">
* RFC 4443, section 3.3
* </a>
*/
typedef struct __attribute__((packed)) {
uint8_t type; /**< message type */
uint8_t code; /**< message code */
network_uint16_t csum; /**< checksum */
network_uint32_t ptr; /**< pointer */
} ng_icmpv6_error_param_prob_t;
#ifdef __cplusplus
}
#endif

70
sys/include/net/ng_icmpv6/types.h
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@ -1,70 +0,0 @@
/*
* Copyright (C) 2015 Martine Lenders <mlenders@inf.fu-berlin.de>
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @defgroup net_ng_icmpv6_types ICMPv6 message type definitions
* @ingroup net_ng_icmpv6
* @brief Type numbers for the corresponding field in ICMPv6 messages.
* @{
*
* @file
* @brief Macro definitions for ICMPv6 type fields
*
* @author Martine Lenders <mlenders@inf.fu-berlin.de>
*/
#ifndef NG_ICMPV6_TYPES_H_
#define NG_ICMPV6_TYPES_H_
#ifdef __cplusplus
extern "C" {
#endif
/**
* @{
* @name Error message types
* @see <a href="http://www.iana.org/assignments/icmpv6-parameters/icmpv6-parameters.xhtml#icmpv6-parameters-2">
* IANA, ICMPv6 "type" Numbers
* </a>
*/
#define NG_ICMPV6_DEST_UNR (1) /**< Destination unreachable message */
#define NG_ICMPV6_PKT_TOO_BIG (2) /**< Packet Too Big message */
#define NG_ICMPV6_TIME_EXC (3) /**< Time Exceeded message */
#define NG_ICMPV6_PARAM_PROB (4) /**< Parameter Problem message */
#define NG_ICMPV6_ERR_EXP1 (100) /**< message type for private experimentation */
#define NG_ICMPV6_ERR_EXP2 (101) /**< message type for private experimentation */
/**
* @}
*/
/**
* @{
* @name Informational message types
* @see <a href="http://www.iana.org/assignments/icmpv6-parameters/icmpv6-parameters.xhtml#icmpv6-parameters-2">
* IANA, ICMPv6 "type" Numbers
* </a>
*/
#define NG_ICMPV6_ECHO_REQ (128) /**< Echo request message (ping) */
#define NG_ICMPV6_ECHO_REP (129) /**< Echo reply message (pong) */
#define NG_ICMPV6_RTR_SOL (133) /**< NDP router solicitation message */
#define NG_ICMPV6_RTR_ADV (134) /**< NDP router advertisement message */
#define NG_ICMPV6_NBR_SOL (135) /**< NDP neighbor solicitation message */
#define NG_ICMPV6_NBR_ADV (136) /**< NDP neighbor advertisement message */
#define NG_ICMPV6_REDIRECT (137) /**< NDP redirect message */
#define NG_ICMPV6_RPL_CTRL (155) /**< RPL control message */
#define NG_ICMPV6_INF_EXP1 (200) /**< message type for private experimentation */
#define NG_ICMPV6_INF_EXP2 (201) /**< message type for private experimentation */
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* NG_ICMPV6_TYPES_H_ */
/** @} */

10
sys/include/net/ng_ndp/types.h
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@ -97,7 +97,7 @@ extern "C" {
/**
* @brief Router solicitation message format.
* @extends ng_icmpv6_hdr_t
* @extends icmpv6_hdr_t
*
* @see <a href="https://tools.ietf.org/html/rfc4861#section-4.1">
* RFC 4861, section 4.1
@ -112,7 +112,7 @@ typedef struct __attribute__((packed)) {
/**
* @brief Router advertisement message format.
* @extends ng_icmpv6_hdr_t
* @extends icmpv6_hdr_t
*
* @see <a href="https://tools.ietf.org/html/rfc4861#section-4.2">
* RFC 4861, section 4.2
@ -131,7 +131,7 @@ typedef struct __attribute__((packed)) {
/**
* @brief Neighbor solicitation message format.
* @extends ng_icmpv6_hdr_t
* @extends icmpv6_hdr_t
*
* @see <a href="https://tools.ietf.org/html/rfc4861#section-4.3">
* RFC 4861, section 4.3
@ -147,7 +147,7 @@ typedef struct __attribute__((packed)) {
/**
* @brief Neighbor advertisement message format.
* @extends ng_icmpv6_hdr_t
* @extends icmpv6_hdr_t
*
* @see <a href="https://tools.ietf.org/html/rfc4861#section-4.4">
* RFC 4861, section 4.4
@ -164,7 +164,7 @@ typedef struct __attribute__((packed)) {
/**
* @brief Neighbor advertisement message format.
* @extends ng_icmpv6_hdr_t
* @extends icmpv6_hdr_t
*
* @see <a href="https://tools.ietf.org/html/rfc4861#section-4.5">
* RFC 4861, section 4.5

1
sys/include/net/ng_rpl.h
View File

@ -31,7 +31,6 @@
#include <string.h>
#include <stdint.h>
#include "net/ng_ipv6.h"
#include "net/ng_icmpv6.h"
#include "net/ng_nettype.h"
#include "net/ng_rpl/structs.h"
#include "net/ng_rpl/dodag.h"

18
sys/net/network_layer/ng_icmpv6/echo/ng_icmpv6_echo.c
View File

@ -32,15 +32,15 @@ ng_pktsnip_t *ng_icmpv6_echo_build(uint8_t type, uint16_t id, uint16_t seq,
uint8_t *data, size_t data_len)
{
ng_pktsnip_t *pkt;
ng_icmpv6_echo_t *echo;
icmpv6_echo_t *echo;
if ((pkt = ng_icmpv6_build(NULL, type, 0, data_len + sizeof(ng_icmpv6_echo_t))) == NULL) {
if ((pkt = ng_icmpv6_build(NULL, type, 0, data_len + sizeof(icmpv6_echo_t))) == NULL) {
return NULL;
}
DEBUG("icmpv6_echo: Building echo message with type=%" PRIu8 "id=%" PRIu16
", seq=%" PRIu16, type, id, seq);
echo = (ng_icmpv6_echo_t *)pkt->data;
echo = (icmpv6_echo_t *)pkt->data;
echo->id = byteorder_htons(id);
echo->seq = byteorder_htons(seq);
@ -62,21 +62,21 @@ ng_pktsnip_t *ng_icmpv6_echo_build(uint8_t type, uint16_t id, uint16_t seq,
}
void ng_icmpv6_echo_req_handle(kernel_pid_t iface, ipv6_hdr_t *ipv6_hdr,
ng_icmpv6_echo_t *echo, uint16_t len)
icmpv6_echo_t *echo, uint16_t len)
{
uint8_t *payload = ((uint8_t *)echo) + sizeof(ng_icmpv6_echo_t);
uint8_t *payload = ((uint8_t *)echo) + sizeof(icmpv6_echo_t);
ng_pktsnip_t *hdr, *pkt;
ng_netreg_entry_t *sendto = NULL;
if ((echo == NULL) || (len < sizeof(ng_icmpv6_echo_t))) {
if ((echo == NULL) || (len < sizeof(icmpv6_echo_t))) {
DEBUG("icmpv6_echo: echo was NULL or len (%" PRIu16
") was < sizeof(ng_icmpv6_echo_t)\n", len);
") was < sizeof(icmpv6_echo_t)\n", len);
return;
}
pkt = ng_icmpv6_echo_build(NG_ICMPV6_ECHO_REP, byteorder_ntohs(echo->id),
pkt = ng_icmpv6_echo_build(ICMPV6_ECHO_REP, byteorder_ntohs(echo->id),
byteorder_ntohs(echo->seq), payload,
len - sizeof(ng_icmpv6_echo_t));
len - sizeof(icmpv6_echo_t));
if (pkt == NULL) {
DEBUG("icmpv6_echo: no space left in packet buffer\n");

24
sys/net/network_layer/ng_icmpv6/ng_icmpv6.c
View File

@ -56,7 +56,7 @@ static inline uint16_t _calc_csum(ng_pktsnip_t *hdr,
void ng_icmpv6_demux(kernel_pid_t iface, ng_pktsnip_t *pkt)
{
ng_pktsnip_t *icmpv6, *ipv6;
ng_icmpv6_hdr_t *hdr;
icmpv6_hdr_t *hdr;
ng_netreg_entry_t *sendto;
LL_SEARCH_SCALAR(pkt, icmpv6, type, NG_NETTYPE_ICMPV6);
@ -69,7 +69,7 @@ void ng_icmpv6_demux(kernel_pid_t iface, ng_pktsnip_t *pkt)
assert(ipv6 != NULL);
hdr = (ng_icmpv6_hdr_t *)icmpv6->data;
hdr = (icmpv6_hdr_t *)icmpv6->data;
if (_calc_csum(icmpv6, ipv6, pkt)) {
DEBUG("icmpv6: wrong checksum.\n");
@ -80,36 +80,36 @@ void ng_icmpv6_demux(kernel_pid_t iface, ng_pktsnip_t *pkt)
switch (hdr->type) {
/* TODO: handle ICMPv6 errors */
#ifdef MODULE_NG_ICMPV6_ECHO
case NG_ICMPV6_ECHO_REQ:
case ICMPV6_ECHO_REQ:
DEBUG("icmpv6: handle echo request.\n");
ng_icmpv6_echo_req_handle(iface, (ipv6_hdr_t *)ipv6->data,
(ng_icmpv6_echo_t *)hdr, icmpv6->size);
(icmpv6_echo_t *)hdr, icmpv6->size);
break;
#endif
case NG_ICMPV6_RTR_SOL:
case ICMPV6_RTR_SOL:
DEBUG("icmpv6: router solicitation received\n");
/* TODO */
break;
case NG_ICMPV6_RTR_ADV:
case ICMPV6_RTR_ADV:
DEBUG("icmpv6: router advertisement received\n");
/* TODO */
break;
case NG_ICMPV6_NBR_SOL:
case ICMPV6_NBR_SOL:
DEBUG("icmpv6: neighbor solicitation received\n");
ng_ndp_nbr_sol_handle(iface, pkt, ipv6->data, (ng_ndp_nbr_sol_t *)hdr,
icmpv6->size);
break;
case NG_ICMPV6_NBR_ADV:
case ICMPV6_NBR_ADV:
DEBUG("icmpv6: neighbor advertisement received\n");
ng_ndp_nbr_adv_handle(iface, pkt, ipv6->data, (ng_ndp_nbr_adv_t *)hdr,
icmpv6->size);
break;
case NG_ICMPV6_REDIRECT:
case ICMPV6_REDIRECT:
DEBUG("icmpv6: redirect message received\n");
/* TODO */
break;
@ -143,7 +143,7 @@ ng_pktsnip_t *ng_icmpv6_build(ng_pktsnip_t *next, uint8_t type, uint8_t code,
size_t size)
{
ng_pktsnip_t *pkt;
ng_icmpv6_hdr_t *icmpv6;
icmpv6_hdr_t *icmpv6;
pkt = ng_pktbuf_add(next, NULL, size, NG_NETTYPE_ICMPV6);
@ -154,7 +154,7 @@ ng_pktsnip_t *ng_icmpv6_build(ng_pktsnip_t *next, uint8_t type, uint8_t code,
DEBUG("icmpv6: Building ICMPv6 message with type=%" PRIu8 ", code=%" PRIu8 "\n",
type, code);
icmpv6 = (ng_icmpv6_hdr_t *)pkt->data;
icmpv6 = (icmpv6_hdr_t *)pkt->data;
icmpv6->type = type;
icmpv6->code = code;
icmpv6->csum.u16 = 0;
@ -179,7 +179,7 @@ int ng_icmpv6_calc_csum(ng_pktsnip_t *hdr, ng_pktsnip_t *pseudo_hdr)
return -ENOENT;
}
((ng_icmpv6_hdr_t *)hdr->data)->csum = byteorder_htons(csum);
((icmpv6_hdr_t *)hdr->data)->csum = byteorder_htons(csum);
return 0;
}

4
sys/net/network_layer/ng_ndp/internal/ng_ndp_internal.c
View File

@ -344,7 +344,7 @@ bool ng_ndp_internal_sl2a_opt_handle(kernel_pid_t iface, ng_pktsnip_t *pkt,
ng_netif_addr_to_str(addr_str, sizeof(addr_str), sl2a, sl2a_len));
switch (icmpv6_type) {
case NG_ICMPV6_NBR_SOL:
case ICMPV6_NBR_SOL:
nc_entry = ng_ipv6_nc_get(iface, &ipv6->src);
if (nc_entry != NULL) {
@ -384,7 +384,7 @@ int ng_ndp_internal_tl2a_opt_handle(ng_pktsnip_t *pkt, ipv6_hdr_t *ipv6,
}
switch (icmpv6_type) {
case NG_ICMPV6_NBR_ADV:
case ICMPV6_NBR_ADV:
while (pkt) {
if (pkt->type == NG_NETTYPE_NETIF) {
ng_netif_hdr_t *hdr = pkt->data;

4
sys/net/network_layer/ng_ndp/ng_ndp.c
View File

@ -365,7 +365,7 @@ ng_pktsnip_t *ng_ndp_nbr_sol_build(ipv6_addr_t *tgt, ng_pktsnip_t *options)
return NULL;
}
pkt = ng_icmpv6_build(options, NG_ICMPV6_NBR_SOL, 0, sizeof(ng_ndp_nbr_sol_t));
pkt = ng_icmpv6_build(options, ICMPV6_NBR_SOL, 0, sizeof(ng_ndp_nbr_sol_t));
if (pkt != NULL) {
ng_ndp_nbr_sol_t *nbr_sol = pkt->data;
@ -389,7 +389,7 @@ ng_pktsnip_t *ng_ndp_nbr_adv_build(uint8_t flags, ipv6_addr_t *tgt,
return NULL;
}
pkt = ng_icmpv6_build(options, NG_ICMPV6_NBR_ADV, 0, sizeof(ng_ndp_nbr_adv_t));
pkt = ng_icmpv6_build(options, ICMPV6_NBR_ADV, 0, sizeof(ng_ndp_nbr_adv_t));
if (pkt != NULL) {
ng_ndp_nbr_adv_t *nbr_adv = pkt->data;

7
sys/net/routing/ng_rpl/ng_rpl.c
View File

@ -13,6 +13,7 @@
*
* @author Cenk Gündoğan <cnkgndgn@gmail.com>
*/
#include "net/icmpv6.h"
#include "net/ng_rpl.h"
#define ENABLE_DEBUG (0)
@ -52,7 +53,7 @@ kernel_pid_t ng_rpl_init(kernel_pid_t if_pid)
return KERNEL_PID_UNDEF;
}
_me_reg.demux_ctx = NG_ICMPV6_RPL_CTRL;
_me_reg.demux_ctx = ICMPV6_RPL_CTRL;
_me_reg.pid = ng_rpl_pid;
/* register interest in all ICMPv6 packets */
ng_netreg_register(NG_NETTYPE_ICMPV6, &_me_reg);
@ -147,12 +148,12 @@ static void _receive(ng_pktsnip_t *icmpv6)
{
ng_pktsnip_t *ipv6 = NULL;
ipv6_hdr_t *ipv6_hdr = NULL;
ng_icmpv6_hdr_t *icmpv6_hdr = NULL;
icmpv6_hdr_t *icmpv6_hdr = NULL;
LL_SEARCH_SCALAR(icmpv6, ipv6, type, NG_NETTYPE_IPV6);
ipv6_hdr = (ipv6_hdr_t *)ipv6->data;
icmpv6_hdr = (ng_icmpv6_hdr_t *)icmpv6->data;
icmpv6_hdr = (icmpv6_hdr_t *)icmpv6->data;
switch (icmpv6_hdr->code) {
case NG_RPL_ICMPV6_CODE_DIS:
DEBUG("RPL: DIS received\n");

38
sys/net/routing/ng_rpl/ng_rpl_control_messages.c
View File

@ -15,6 +15,8 @@
* @author Cenk Gündoğan <cnkgndgn@gmail.com>
*/
#include "net/icmpv6.h"
#include "net/ng_icmpv6.h"
#include "net/ng_rpl.h"
#include "inet_ntop.h"
@ -91,21 +93,21 @@ void ng_rpl_send_DIO(ng_rpl_dodag_t *dodag, ipv6_addr_t *destination)
}
ng_pktsnip_t *pkt;
ng_icmpv6_hdr_t *icmp;
icmpv6_hdr_t *icmp;
ng_rpl_dio_t *dio;
uint8_t *pos;
int size = sizeof(ng_icmpv6_hdr_t) + sizeof(ng_rpl_dio_t);
int size = sizeof(icmpv6_hdr_t) + sizeof(ng_rpl_dio_t);
if ((dodag->dodag_conf_counter % 3) == 0) {
size += sizeof(ng_rpl_opt_dodag_conf_t);
}
if ((pkt = ng_icmpv6_build(NULL, NG_ICMPV6_RPL_CTRL, NG_RPL_ICMPV6_CODE_DIO, size)) == NULL) {
if ((pkt = ng_icmpv6_build(NULL, ICMPV6_RPL_CTRL, NG_RPL_ICMPV6_CODE_DIO, size)) == NULL) {
DEBUG("RPL: Send DIO - no space left in packet buffer\n");
return;
}
icmp = (ng_icmpv6_hdr_t *)pkt->data;
icmp = (icmpv6_hdr_t *)pkt->data;
dio = (ng_rpl_dio_t *)(icmp + 1);
pos = (uint8_t *) dio;
dio->instance_id = dodag->instance->id;
@ -146,19 +148,19 @@ void ng_rpl_send_DIS(ng_rpl_dodag_t *dodag, ipv6_addr_t *destination)
{
(void) dodag;
ng_pktsnip_t *pkt;
ng_icmpv6_hdr_t *icmp;
icmpv6_hdr_t *icmp;
ng_rpl_dis_t *dis;
/* TODO: Currently the DIS is too small so that wireshark complains about an incorrect
* ethernet frame check sequence. In order to prevent this, 4 PAD1 options are added.
* This will be addressed in follow-up PRs */
int size = sizeof(ng_icmpv6_hdr_t) + sizeof(ng_rpl_dis_t) + 4;
int size = sizeof(icmpv6_hdr_t) + sizeof(ng_rpl_dis_t) + 4;
if ((pkt = ng_icmpv6_build(NULL, NG_ICMPV6_RPL_CTRL, NG_RPL_ICMPV6_CODE_DIS, size)) == NULL) {
if ((pkt = ng_icmpv6_build(NULL, ICMPV6_RPL_CTRL, NG_RPL_ICMPV6_CODE_DIS, size)) == NULL) {
DEBUG("RPL: Send DIS - no space left in packet buffer\n");
return;
}
icmp = (ng_icmpv6_hdr_t *)pkt->data;
icmp = (icmpv6_hdr_t *)pkt->data;
dis = (ng_rpl_dis_t *)(icmp + 1);
dis->flags = 0;
dis->reserved = 0;
@ -301,7 +303,7 @@ void ng_rpl_recv_DIO(ng_rpl_dio_t *dio, ipv6_addr_t *src, uint16_t len)
ng_rpl_instance_t *inst = NULL;
ng_rpl_dodag_t *dodag = NULL;
len -= (sizeof(ng_rpl_dio_t) + sizeof(ng_icmpv6_hdr_t));
len -= (sizeof(ng_rpl_dio_t) + sizeof(icmpv6_hdr_t));
if (ng_rpl_instance_add(dio->instance_id, &inst)) {
inst->mop = (dio->g_mop_prf >> NG_RPL_MOP_SHIFT) & NG_RPL_SHIFTED_MOP_MASK;
@ -451,7 +453,7 @@ void ng_rpl_send_DAO(ng_rpl_dodag_t *dodag, ipv6_addr_t *destination, uint8_t li
}
ng_pktsnip_t *pkt;
ng_icmpv6_hdr_t *icmp;
icmpv6_hdr_t *icmp;
ng_rpl_dao_t *dao;
ng_rpl_opt_target_t *target;
ng_rpl_opt_transit_t *transit;
@ -476,15 +478,15 @@ void ng_rpl_send_DAO(ng_rpl_dodag_t *dodag, ipv6_addr_t *destination, uint8_t li
ipv6_addr_init_prefix(&prefix, me, me_netif->prefix_len);
fib_get_destination_set(prefix.u8, sizeof(ipv6_addr_t), fib_dest_set, &dst_size);
int size = sizeof(ng_icmpv6_hdr_t) + sizeof(ng_rpl_dao_t) +
int size = sizeof(icmpv6_hdr_t) + sizeof(ng_rpl_dao_t) +
(sizeof(ng_rpl_opt_target_t) * (dst_size + 1)) + sizeof(ng_rpl_opt_transit_t);
if ((pkt = ng_icmpv6_build(NULL, NG_ICMPV6_RPL_CTRL, NG_RPL_ICMPV6_CODE_DAO, size)) == NULL) {
if ((pkt = ng_icmpv6_build(NULL, ICMPV6_RPL_CTRL, NG_RPL_ICMPV6_CODE_DAO, size)) == NULL) {
DEBUG("RPL: Send DAO - no space left in packet buffer\n");
return;
}
icmp = (ng_icmpv6_hdr_t *)pkt->data;
icmp = (icmpv6_hdr_t *)pkt->data;
dao = (ng_rpl_dao_t *)(icmp + 1);
dao->instance_id = dodag->instance->id;
@ -526,16 +528,16 @@ void ng_rpl_send_DAO_ACK(ng_rpl_dodag_t *dodag, ipv6_addr_t *destination, uint8_
}
ng_pktsnip_t *pkt;
ng_icmpv6_hdr_t *icmp;
icmpv6_hdr_t *icmp;
ng_rpl_dao_ack_t *dao_ack;
int size = sizeof(ng_icmpv6_hdr_t) + sizeof(ng_rpl_dao_ack_t);
int size = sizeof(icmpv6_hdr_t) + sizeof(ng_rpl_dao_ack_t);
if ((pkt = ng_icmpv6_build(NULL, NG_ICMPV6_RPL_CTRL, NG_RPL_ICMPV6_CODE_DAO_ACK, size)) == NULL) {
if ((pkt = ng_icmpv6_build(NULL, ICMPV6_RPL_CTRL, NG_RPL_ICMPV6_CODE_DAO_ACK, size)) == NULL) {
DEBUG("RPL: Send DAOACK - no space left in packet buffer\n");
return;
}
icmp = (ng_icmpv6_hdr_t *)pkt->data;
icmp = (icmpv6_hdr_t *)pkt->data;
dao_ack = (ng_rpl_dao_ack_t *)(icmp + 1);
dao_ack->instance_id = dodag->instance->id;
@ -569,7 +571,7 @@ void ng_rpl_recv_DAO(ng_rpl_dao_t *dao, ipv6_addr_t *src, uint16_t len)
return;
}
len -= (sizeof(ng_rpl_dao_t) + sizeof(ng_icmpv6_hdr_t));
len -= (sizeof(ng_rpl_dao_t) + sizeof(icmpv6_hdr_t));
if(!_parse_options(NG_RPL_ICMPV6_CODE_DAO, dodag, (ng_rpl_opt_t *) (dao + 1), len, src)) {
ng_rpl_dodag_remove(dodag);
return;

6
sys/shell/commands/sc_icmpv6_echo.c
View File

@ -45,7 +45,7 @@ static void usage(char **argv)
puts(" delay = 1000");
}
void _set_payload(ng_icmpv6_echo_t *hdr, size_t payload_len)
void _set_payload(icmpv6_echo_t *hdr, size_t payload_len)
{
size_t i = 0;
uint8_t *payload = (uint8_t *)(hdr + 1);
@ -81,7 +81,7 @@ int _handle_reply(ng_pktsnip_t *pkt, uint64_t time)
{
ng_pktsnip_t *ipv6, *icmpv6;
ipv6_hdr_t *ipv6_hdr;
ng_icmpv6_echo_t *icmpv6_hdr;
icmpv6_echo_t *icmpv6_hdr;
uint16_t seq;
LL_SEARCH_SCALAR(pkt, ipv6, type, NG_NETTYPE_IPV6);
@ -136,7 +136,7 @@ int _icmpv6_ping(int argc, char **argv)
timex_t delay = { 1, 0 };
char *addr_str;
ipv6_addr_t addr;
ng_netreg_entry_t *ipv6_entry, my_entry = { NULL, NG_ICMPV6_ECHO_REP,
ng_netreg_entry_t *ipv6_entry, my_entry = { NULL, ICMPV6_ECHO_REP,
thread_getpid()
};
timex_t min_rtt = { UINT32_MAX, UINT32_MAX }, max_rtt = { 0, 0 };