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created addressing methods(link local/multicast)

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This commit is contained in:
Stephan Zeisberg 2010-10-17 16:04:54 +02:00
parent 90dc8f3f45
commit 6c67c13ff0
1 changed files with 60 additions and 11 deletions
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71
sys/net/sixlowpan/sixlowmac.c
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@ -1,20 +1,69 @@
/* 6LoWPAN MAC - layer 2 implementations */
#include "sixlowmac.h"
#include "sixlownd.h"
#include "sixlowip.h"
#include "drivers/cc110x/cc1100.h"
#include "radio/radio.h"
#define IP_BUFFER ((struct ipv6_hdr*)&buffer[LL_HEADER_LENGTH])
#define PRINTF(...) printf(__VA_ARGS__)
#define PRINT6ADDR(addr) PRINTF("%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x:%02x%02x\n", ((uint8_t *)addr)[0], ((uint8_t *)addr)[1], ((uint8_t *)addr)[2], ((uint8_t *)addr)[3], ((uint8_t *)addr)[4], ((uint8_t *)addr)[5], ((uint8_t *)addr)[6], ((uint8_t *)addr)[7], ((uint8_t *)addr)[8], ((uint8_t *)addr)[9], ((uint8_t *)addr)[10], ((uint8_t *)addr)[11], ((uint8_t *)addr)[12], ((uint8_t *)addr)[13], ((uint8_t *)addr)[14], ((uint8_t *)addr)[15])
#include <stdio.h>
#include <stdint.h>
static void init_msba2_mac(mac_addr addr){
addr.oui1 = MSBA2_OUI >> 8;
addr.oui2 = 0x0 | MSBA2_OUI;
addr.ext_ident = MSBA2_R8BIT;
addr.ext_ident = cc1100_get_address();
void boot_6ln(void){
// uint8_t ipv6_ext_hdr_len = 0;
/* create link-local address based on eui-64 */
create_link_local_prefix(&IP_BUFFER->srcaddr);
set_eui64(&IP_BUFFER->srcaddr);
PRINT6ADDR(&IP_BUFFER->srcaddr);
/* send router solicitation */
send_rs();
}
static void init_mac_address(mac_addr addr){
#ifdef SIXLOWPAN_MSBA2
init_msba2_mac(addr);
#endif
void create_link_local_prefix(ipv6_addr *ipaddr){
ipaddr->uint16[0] = HTONS(0xfe80);
ipaddr->uint16[1] = 0;
ipaddr->uint16[2] = 0;
ipaddr->uint16[3] = 0;
}
/* cc1100 - eui-64 init fuction */
void set_eui64(ipv6_addr *ipaddr){
uint16_t radio_driver_addr = cc1100_get_address();
ipaddr->uint8[8] = ((uint8_t) (OUI >> 16)) | 0x2 ;
ipaddr->uint8[9] = (uint8_t) (OUI >> 8);
ipaddr->uint8[10] = (uint8_t) OUI;
ipaddr->uint8[11] = 0xFF;
ipaddr->uint8[12] = 0xFE;
ipaddr->uint8[13] = R8BIT;
ipaddr->uint8[14] = (uint8_t) (radio_driver_addr >> 8);
ipaddr->uint8[15] = (uint8_t) radio_driver_addr;
}
void create_all_routers_mcast_addr(ipv6_addr *ipaddr){
ipaddr->uint16[0] = HTONS(0xff02);
ipaddr->uint16[1] = 0;
ipaddr->uint16[2] = 0;
ipaddr->uint16[3] = 0;
ipaddr->uint16[4] = 0;
ipaddr->uint16[5] = 0;
ipaddr->uint16[6] = 0;
ipaddr->uint16[7] = HTONS(0x0002);
}
void get_link_layer_addr_from_ipaddr(ipv6_addr *ipaddr, link_layer_addr *lla){
lla->uint8[0] = ipaddr->uint8[8];
lla->uint8[1] = ipaddr->uint8[9];
lla->uint8[2] = ipaddr->uint8[10];
lla->uint8[3] = ipaddr->uint8[11];
lla->uint8[4] = ipaddr->uint8[12];
lla->uint8[5] = ipaddr->uint8[13];
lla->uint8[6] = ipaddr->uint8[14];
lla->uint8[7] = ipaddr->uint8[15];
}