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Merge pull request #3544 from authmillenon/ng_icmpv6_error/feat/send+neterr

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gnrc_icmpv6_error: Initial import of IPv6 error convenience functions
This commit is contained in:
Martine Lenders 2016-03-03 04:29:34 +01:00
commit 5c8ae83660
1 changed files with 85 additions and 0 deletions
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85
sys/include/net/gnrc/icmpv6/error.h
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@ -20,10 +20,13 @@
#ifndef GNRC_ICMPV6_ERROR_H_
#define GNRC_ICMPV6_ERROR_H_
#include <errno.h>
#include <stdint.h>
#include "net/icmpv6.h"
#include "net/ipv6/hdr.h"
#include "net/gnrc/ipv6.h"
#include "net/gnrc/netapi.h"
#include "net/gnrc/pkt.h"
#ifdef __cplusplus
@ -76,6 +79,88 @@ gnrc_pktsnip_t *gnrc_icmpv6_error_time_exc_build(uint8_t code, gnrc_pktsnip_t *o
gnrc_pktsnip_t *gnrc_icmpv6_error_param_prob_build(uint8_t code, void *ptr,
gnrc_pktsnip_t *orig_pkt);
/**
* @brief Sends an ICMPv6 destination unreachable message for sending.
*
* @param[in] code The code for the message @see net/icmpv6.h.
* @param[in] orig_pkt The invoking packet.
*/
static inline void gnrc_icmpv6_error_dst_unr_send(uint8_t code, gnrc_pktsnip_t *orig_pkt)
{
gnrc_pktsnip_t *pkt = gnrc_icmpv6_error_dst_unr_build(code, orig_pkt);
if (pkt != NULL) {
gnrc_netapi_send(gnrc_ipv6_pid, pkt);
}
#ifdef MODULE_GNRC_PKTBUF
gnrc_pktbuf_release_error(orig_pkt, EHOSTUNREACH);
#else
(void)orig_pkt;
#endif
}
/**
* @brief Sends an ICMPv6 packet too big message for sending.
*
* @param[in] mtu The maximum transission unit of the next-hop link.
* @param[in] orig_pkt The invoking packet.
*/
static inline void gnrc_icmpv6_error_pkt_too_big_send(uint32_t mtu, gnrc_pktsnip_t *orig_pkt)
{
gnrc_pktsnip_t *pkt = gnrc_icmpv6_error_pkt_too_big_build(mtu, orig_pkt);
if (pkt != NULL) {
gnrc_netapi_send(gnrc_ipv6_pid, pkt);
}
#ifdef MODULE_GNRC_PKTBUF
gnrc_pktbuf_release_error(orig_pkt, EMSGSIZE);
#else
(void)orig_pkt;
#endif
}
/**
* @brief Sends an ICMPv6 time exceeded message for sending.
*
* @param[in] code The code for the message @see net/icmpv6.h.
* @param[in] orig_pkt The invoking packet.
*/
static inline void gnrc_icmpv6_error_time_exc_send(uint8_t code, gnrc_pktsnip_t *orig_pkt)
{
gnrc_pktsnip_t *pkt = gnrc_icmpv6_error_time_exc_build(code, orig_pkt);
if (pkt != NULL) {
gnrc_netapi_send(gnrc_ipv6_pid, pkt);
}
#ifdef MODULE_GNRC_PKTBUF
gnrc_pktbuf_release_error(orig_pkt, ETIMEDOUT);
#else
(void)orig_pkt;
#endif
}
/**
* @brief Sends an ICMPv6 parameter problem message for sending.
*
* @param[in] code The code for the message @see net/icmpv6.h.
* @param[in] ptr Pointer to the errorneous octet in @p orig_pkt.
* @param[in] orig_pkt The invoking packet.
*/
static inline void gnrc_icmpv6_error_param_prob_send(uint8_t code, void *ptr,
gnrc_pktsnip_t *orig_pkt)
{
gnrc_pktsnip_t *pkt = gnrc_icmpv6_error_param_prob_build(code, ptr, orig_pkt);
if (pkt != NULL) {
gnrc_netapi_send(gnrc_ipv6_pid, pkt);
}
#ifdef MODULE_GNRC_PKTBUF
gnrc_pktbuf_release_error(orig_pkt, EINVAL);
#else
(void)orig_pkt;
#endif
}
#ifdef __cplusplus
}
#endif