ipv6_addr_t *ipv6_addr_set_by_eui64(ipv6_addr_t *out, int if_id,
const ipv6_addr_t *prefix)
{
uint8_t force_generation = 0;
out->uint16[0] = prefix->uint16[0];
out->uint16[1] = prefix->uint16[1];
out->uint16[2] = prefix->uint16[2];
out->uint16[3] = prefix->uint16[3];
if (net_if_get_src_address_mode(if_id) == NET_IF_TRANS_ADDR_M_SHORT) {
force_generation = 1;
}
if (net_if_get_eui64((net_if_eui64_t *) &out->uint8[8], if_id,
force_generation)) {
#ifdef MODULE_SIXLOWPAN
if (!sixlowpan_lowpan_eui64_to_short_addr((net_if_eui64_t *)&out->uint8[8])) {
out->uint8[8] ^= 0x02;
}
#else
out->uint8[8] ^= 0x02;
#endif
return out;
}
else {
return NULL;
}
}
int sixlowpan_mac_prepare_ieee802144_frame(
ieee802154_frame_t *frame, int if_id, uint16_t dest_pan, const void *dest,
uint8_t dest_len, const void *payload, uint8_t length, uint8_t mcast)
{
uint8_t src_mode = net_if_get_src_address_mode(if_id);
uint8_t dest_mode;
uint16_t *fcs;
set_ieee802154_frame_values(if_id, dest_pan, frame);
if (dest_len == 8) {
dest_mode = IEEE_802154_LONG_ADDR_M;
}
else if (dest_len == 2) {
dest_mode = IEEE_802154_SHORT_ADDR_M;
}
else {
DEBUG("Illegal IEEE 802.15.4 address for address length %d\n", dest_len);
return -1;
}
set_ieee802154_fcf_values(frame, dest_mode, src_mode);
if (src_mode == IEEE_802154_LONG_ADDR_M) {
net_if_get_eui64((net_if_eui64_t *)&frame->src_addr[0], if_id, 0);
}
else if (src_mode == IEEE_802154_SHORT_ADDR_M) {
uint16_t src = HTONS(net_if_get_hardware_address(if_id));
memcpy(&frame->src_addr[0], &src, 2);
}
else {
DEBUG("Illegal IEEE 802.15.4 address mode: %d\n", src_mode);
return -1;
}
if (mcast) {
memset(&frame->dest_addr[0], 0xff, dest_len);
}
else {
memcpy(&frame->dest_addr[0], dest, dest_len);
}
frame->payload = (uint8_t *)payload; // payload won't be changed so cast is legal.
frame->payload_len = length;
uint8_t hdrlen = ieee802154_frame_get_hdr_len(frame);
memset(&lowpan_mac_buf, 0, PAYLOAD_SIZE);
ieee802154_frame_init(frame, (uint8_t *)&lowpan_mac_buf);
memcpy(&lowpan_mac_buf[hdrlen], frame->payload, frame->payload_len);
/* set FCS */
fcs = (uint16_t *)&lowpan_mac_buf[frame->payload_len + hdrlen];
*fcs = ieee802154_frame_get_fcs(lowpan_mac_buf, frame->payload_len + hdrlen);
DEBUG("IEEE802.15.4 frame - FCF: %02X %02X DPID: %02X SPID: %02X DSN: %02X\n",
lowpan_mac_buf[0], lowpan_mac_buf[1], frame->dest_pan_id,
frame->src_pan_id, frame->seq_nr);
return hdrlen;
}
int test_net_if_get_set_eui64(int iface, net_if_eui64_t *eui64,
uint16_t addr)
{
if (net_if_get_eui64(NULL, iface, 1)) {
printf("FAILED: expected net_if_get_eui64(NULL, %d, 1) to fail\n",
iface);
return 0;
}
if (!net_if_get_eui64(eui64, iface, 1)) {
printf("FAILED: Error getting EUI-64 on interface %d\n", iface);
return 0;
}
if (eui64->uint16[0] != 0 || eui64->uint8[2] != 0 ||
eui64->uint8[3] != 0xff || eui64->uint8[4] != 0xfe ||
eui64->uint8[5] != 0 || (uint16_t)eui64->uint16[3] != HTONS(addr)) {
printf("FAILED: Expected last 16 bit of EUI-64 to be 0x%04x (is 0x%04x)\n",
addr, NTOHS(eui64->uint16[3]));
return 0;
}
eui64->uint64 = 0;
if (net_if_set_eui64(iface, NULL)) {
printf("FAILED: expected error on net_if_set_eui64(%d, NULL)\n", iface);
return 0;
}
if (net_if_set_eui64(iface, eui64)) {
printf("FAILED: expected error trying to set EUI-64 to broadcast\n");
return 0;
}
#if MODULE_AT86RF231 || MODULE_CC2420 || MODULE_MC1322X
eui64->uint8[0] = 0x11;
eui64->uint8[1] = 0x22;
eui64->uint8[2] = 0x33;
eui64->uint8[3] = 0x44;
eui64->uint8[4] = 0x55;
eui64->uint8[5] = 0x66;
eui64->uint8[6] = 0x77;
eui64->uint8[7] = 0x88;
if (!net_if_set_eui64(iface, eui64)) {
printf("FAILED: Error setting EUI-64 on interface %d\n", iface);
return 0;
}
eui64->uint64 = 0;
if (!net_if_get_eui64(eui64, iface, 0)) {
printf("FAILED: Error getting EUI-64 on interface %d\n", iface);
return 0;
}
/* transceivers that do not support EUI-64 addresses convert automatically
* so we have to test both cases */
if (eui64->uint8[0] != 0x11 || eui64->uint8[1] != 0x22 ||
eui64->uint8[2] != 0x33 || eui64->uint8[3] != 0x44 ||
eui64->uint8[4] != 0x55 || eui64->uint8[5] != 0x66 ||
eui64->uint8[6] != 0x77 || eui64->uint8[7] != 0x88) {
printf("FAILED: EUI-64 to be 11-22-33-44-55-66-77-88 but is "
"%02x-%02x-%02x-%02x-%02x-%02x-%02x-%02x\n",
eui64->uint8[0], eui64->uint8[1], eui64->uint8[2],
eui64->uint8[3], eui64->uint8[4], eui64->uint8[5],
eui64->uint8[6], eui64->uint8[7]);
return 0;
}
#endif
return 1;
}
