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TSCH: put tsch_ prefix to definitions in the global scope

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struct asn_t         -> struct tsch_asn_t
  struct asn_divisor_t -> tsch_asn_divisor_t
  ASN_ macros          -> TSCH_ASN_ macros
  current_asn          -> tsch_current_asn
This commit is contained in:
Yasuyuki Tanaka 2016-12-14 16:50:28 +01:00
parent 7d9134757f
commit 667dd6a210
14 changed files with 67 additions and 66 deletions
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32
core/net/mac/tsch/tsch.c
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@ -90,7 +90,7 @@ NBR_TABLE(struct eb_stat, eb_stats);
/* TSCH channel hopping sequence */
uint8_t tsch_hopping_sequence[TSCH_HOPPING_SEQUENCE_MAX_LEN];
struct asn_divisor_t tsch_hopping_sequence_length;
struct tsch_asn_divisor_t tsch_hopping_sequence_length;
/* Default TSCH timeslot timing (in micro-second) */
static const uint16_t tsch_default_timing_us[tsch_ts_elements_count] = {
@ -131,7 +131,7 @@ int tsch_is_associated = 0;
/* Is the PAN running link-layer security? */
int tsch_is_pan_secured = LLSEC802154_ENABLED;
/* The current Absolute Slot Number (ASN) */
struct asn_t current_asn;
struct tsch_asn_t tsch_current_asn;
/* Device rank or join priority:
* For PAN coordinator: 0 -- lower is better */
uint8_t tsch_join_priority;
@ -202,7 +202,7 @@ tsch_reset(void)
tsch_queue_update_time_source(NULL);
/* Initialize global variables */
tsch_join_priority = 0xff;
ASN_INIT(current_asn, 0, 0);
TSCH_ASN_INIT(tsch_current_asn, 0, 0);
current_link = NULL;
/* Reset timeslot timing to defaults */
for(i = 0; i < tsch_ts_elements_count; i++) {
@ -310,7 +310,7 @@ eb_input(struct input_packet *current_input)
/* Did the EB come from our time source? */
if(n != NULL && linkaddr_cmp((linkaddr_t *)&frame.src_addr, &n->addr)) {
/* Check for ASN drift */
int32_t asn_diff = ASN_DIFF(current_input->rx_asn, eb_ies.ie_asn);
int32_t asn_diff = TSCH_ASN_DIFF(current_input->rx_asn, eb_ies.ie_asn);
if(asn_diff != 0) {
/* We disagree with our time source's ASN -- leave the network */
PRINTF("TSCH:! ASN drifted by %ld, leaving the network\n", asn_diff);
@ -401,7 +401,7 @@ tsch_start_coordinator(void)
frame802154_set_pan_id(IEEE802154_PANID);
/* Initialize hopping sequence as default */
memcpy(tsch_hopping_sequence, TSCH_DEFAULT_HOPPING_SEQUENCE, sizeof(TSCH_DEFAULT_HOPPING_SEQUENCE));
ASN_DIVISOR_INIT(tsch_hopping_sequence_length, sizeof(TSCH_DEFAULT_HOPPING_SEQUENCE));
TSCH_ASN_DIVISOR_INIT(tsch_hopping_sequence_length, sizeof(TSCH_DEFAULT_HOPPING_SEQUENCE));
#if TSCH_SCHEDULE_WITH_6TISCH_MINIMAL
tsch_schedule_create_minimal();
#endif
@ -410,10 +410,10 @@ tsch_start_coordinator(void)
tsch_join_priority = 0;
PRINTF("TSCH: starting as coordinator, PAN ID %x, asn-%x.%lx\n",
frame802154_get_pan_id(), current_asn.ms1b, current_asn.ls4b);
frame802154_get_pan_id(), tsch_current_asn.ms1b, tsch_current_asn.ls4b);
/* Start slot operation */
tsch_slot_operation_sync(RTIMER_NOW(), &current_asn);
tsch_slot_operation_sync(RTIMER_NOW(), &tsch_current_asn);
}
/*---------------------------------------------------------------------------*/
/* Leave the TSCH network */
@ -442,7 +442,7 @@ tsch_associate(const struct input_packet *input_eb, rtimer_clock_t timestamp)
return 0;
}
current_asn = ies.ie_asn;
tsch_current_asn = ies.ie_asn;
tsch_join_priority = ies.ie_join_priority + 1;
#if TSCH_JOIN_SECURED_ONLY
@ -455,7 +455,7 @@ tsch_associate(const struct input_packet *input_eb, rtimer_clock_t timestamp)
#if LLSEC802154_ENABLED
if(!tsch_security_parse_frame(input_eb->payload, hdrlen,
input_eb->len - hdrlen - tsch_security_mic_len(&frame),
&frame, (linkaddr_t*)&frame.src_addr, &current_asn)) {
&frame, (linkaddr_t*)&frame.src_addr, &tsch_current_asn)) {
PRINTF("TSCH:! parse_eb: failed to authenticate\n");
return 0;
}
@ -494,11 +494,11 @@ tsch_associate(const struct input_packet *input_eb, rtimer_clock_t timestamp)
/* TSCH hopping sequence */
if(ies.ie_channel_hopping_sequence_id == 0) {
memcpy(tsch_hopping_sequence, TSCH_DEFAULT_HOPPING_SEQUENCE, sizeof(TSCH_DEFAULT_HOPPING_SEQUENCE));
ASN_DIVISOR_INIT(tsch_hopping_sequence_length, sizeof(TSCH_DEFAULT_HOPPING_SEQUENCE));
TSCH_ASN_DIVISOR_INIT(tsch_hopping_sequence_length, sizeof(TSCH_DEFAULT_HOPPING_SEQUENCE));
} else {
if(ies.ie_hopping_sequence_len <= sizeof(tsch_hopping_sequence)) {
memcpy(tsch_hopping_sequence, ies.ie_hopping_sequence_list, ies.ie_hopping_sequence_len);
ASN_DIVISOR_INIT(tsch_hopping_sequence_length, ies.ie_hopping_sequence_len);
TSCH_ASN_DIVISOR_INIT(tsch_hopping_sequence_length, ies.ie_hopping_sequence_len);
} else {
PRINTF("TSCH:! parse_eb: hopping sequence too long (%u)\n", ies.ie_hopping_sequence_len);
return 0;
@ -509,10 +509,10 @@ tsch_associate(const struct input_packet *input_eb, rtimer_clock_t timestamp)
/* Divide by 4k and multiply again to avoid integer overflow */
uint32_t expected_asn = 4096 * TSCH_CLOCK_TO_SLOTS(clock_time() / 4096, tsch_timing_timeslot_length); /* Expected ASN based on our current time*/
int32_t asn_threshold = TSCH_CHECK_TIME_AT_ASSOCIATION * 60ul * TSCH_CLOCK_TO_SLOTS(CLOCK_SECOND, tsch_timing_timeslot_length);
int32_t asn_diff = (int32_t)current_asn.ls4b - expected_asn;
int32_t asn_diff = (int32_t)tsch_current_asn.ls4b - expected_asn;
if(asn_diff > asn_threshold) {
PRINTF("TSCH:! EB ASN rejected %lx %lx %ld\n",
current_asn.ls4b, expected_asn, asn_diff);
tsch_current_asn.ls4b, expected_asn, asn_diff);
return 0;
}
#endif
@ -562,7 +562,7 @@ tsch_associate(const struct input_packet *input_eb, rtimer_clock_t timestamp)
frame802154_set_pan_id(frame.src_pid);
/* Synchronize on EB */
tsch_slot_operation_sync(timestamp - tsch_timing[tsch_ts_tx_offset], &current_asn);
tsch_slot_operation_sync(timestamp - tsch_timing[tsch_ts_tx_offset], &tsch_current_asn);
/* Update global flags */
tsch_is_associated = 1;
@ -578,7 +578,7 @@ tsch_associate(const struct input_packet *input_eb, rtimer_clock_t timestamp)
PRINTF("TSCH: association done, sec %u, PAN ID %x, asn-%x.%lx, jp %u, timeslot id %u, hopping id %u, slotframe len %u with %u links, from ",
tsch_is_pan_secured,
frame.src_pid,
current_asn.ms1b, current_asn.ls4b, tsch_join_priority,
tsch_current_asn.ms1b, tsch_current_asn.ls4b, tsch_join_priority,
ies.ie_tsch_timeslot_id,
ies.ie_channel_hopping_sequence_id,
ies.ie_tsch_slotframe_and_link.slotframe_size,
@ -609,7 +609,7 @@ PT_THREAD(tsch_scan(struct pt *pt))
/* Time when we started scanning on current_channel */
static clock_time_t current_channel_since;
ASN_INIT(current_asn, 0, 0);
TSCH_ASN_INIT(tsch_current_asn, 0, 0);
etimer_set(&scan_timer, CLOCK_SECOND / TSCH_ASSOCIATION_POLL_FREQUENCY);
current_channel_since = clock_time();