hdr.h File Reference
Generic network interface header. More...
Detailed Description
Generic network interface header.
Definition in file hdr.h.
#include <errno.h>#include <string.h>#include <stdint.h>#include "net/gnrc/netif/internal.h"#include "net/gnrc/pkt.h"#include "net/gnrc/pktbuf.h"#include "net/gnrc/netif.h"
Include dependency graph for hdr.h: This graph shows which files directly or indirectly include this file:Go to the source code of this file.
Data Structures | |
| struct | gnrc_netif_hdr_t |
| Generic network interface header. More... | |
Macros | |
| #define | GNRC_NETIF_HDR_L2ADDR_MAX_LEN (8) |
| Maximum length of the l2 addresses of the generic interface header in bytes. | |
| #define | GNRC_NETIF_HDR_L2ADDR_PRINT_LEN (GNRC_NETIF_HDR_L2ADDR_MAX_LEN * 3) |
| Maximum length of the string representatiom of l2 addresses of the generic interface header in bytes. | |
Functions | |
| static void | gnrc_netif_hdr_init (gnrc_netif_hdr_t *hdr, uint8_t src_l2addr_len, uint8_t dst_l2addr_len) |
| Initialize the given generic network interface header. More... | |
| static size_t | gnrc_netif_hdr_sizeof (const gnrc_netif_hdr_t *hdr) |
| Get the size of the given generic network interface header. More... | |
| static uint8_t * | gnrc_netif_hdr_get_src_addr (const gnrc_netif_hdr_t *hdr) |
| Get the source address from the given header. More... | |
| static void | gnrc_netif_hdr_set_src_addr (gnrc_netif_hdr_t *hdr, const uint8_t *addr, uint8_t addr_len) |
| Set the source address in the given header. More... | |
| static uint8_t * | gnrc_netif_hdr_get_dst_addr (const gnrc_netif_hdr_t *hdr) |
| Get the destination address from the given header. More... | |
| static void | gnrc_netif_hdr_set_dst_addr (gnrc_netif_hdr_t *hdr, const uint8_t *addr, uint8_t addr_len) |
| Set the destination address in the given header. More... | |
| static int | gnrc_netif_hdr_ipv6_iid_from_src (const gnrc_netif_t *netif, const gnrc_netif_hdr_t *hdr, eui64_t *iid) |
| Converts the source address of a given Generic network interface header to an IPv6 IID. More... | |
| static int | gnrc_netif_hdr_ipv6_iid_from_dst (const gnrc_netif_t *netif, const gnrc_netif_hdr_t *hdr, eui64_t *iid) |
| Converts the destination address of a given Generic network interface header to an IPv6 IID. More... | |
| gnrc_pktsnip_t * | gnrc_netif_hdr_build (const uint8_t *src, uint8_t src_len, const uint8_t *dst, uint8_t dst_len) |
| Builds a generic network interface header for sending and adds it to the packet buffer. More... | |
| static gnrc_netif_t * | gnrc_netif_hdr_get_netif (const gnrc_netif_hdr_t *hdr) |
| Convenience function to get the corresponding interface struct for a given interface header. More... | |
| static void | gnrc_netif_hdr_set_netif (gnrc_netif_hdr_t *hdr, const gnrc_netif_t *netif) |
| Convenience function to set the interface of an interface header, given the network interface. More... | |
| void | gnrc_netif_hdr_print (gnrc_netif_hdr_t *hdr) |
| Outputs a generic interface header to stdout. More... | |
| uint8_t | gnrc_netif_hdr_get_flag (gnrc_pktsnip_t *pkt) |
| Fetch the netif header flags of a gnrc packet. More... | |
| int | gnrc_netif_hdr_get_dstaddr (gnrc_pktsnip_t *pkt, uint8_t **pointer_to_addr) |
| Extract the destination address out of a gnrc packet. More... | |
| int | gnrc_netif_hdr_get_srcaddr (gnrc_pktsnip_t *pkt, uint8_t **pointer_to_addr) |
| Extract the source address out of a gnrc packet. More... | |
Flags for the gnrc_netif_hdr_t | |
| #define | GNRC_NETIF_HDR_FLAGS_BROADCAST (0x80) |
| Send packet broadcast. More... | |
| #define | GNRC_NETIF_HDR_FLAGS_MULTICAST (0x40) |
| Send packet multicast. More... | |
| #define | GNRC_NETIF_HDR_FLAGS_MORE_DATA (0x10) |
| More data will follow. More... | |
