JaydenH215 commented on a change in pull request #731: update
ble_ll_sched_adv_reschedule
URL: https://github.com/apache/mynewt-nimble/pull/731#discussion_r367536815
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File path: nimble/controller/src/ble_ll_sched.c
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@@ -961,20 +966,25 @@ ble_ll_sched_adv_reschedule(struct ble_ll_sched_item
*sch, uint32_t *start,
* with original duration.
*/
before = NULL;
- orig_start = sch->start_time;
+ sch->start_time = orig_start;
entry = start_overlap;
sch->end_time = sch->start_time + duration;
while (1) {
next_sch = entry->link.tqe_next;
if ((int32_t)(sch->end_time - entry->start_time) <= 0) {
- rand_ticks = entry->start_time - sch->end_time;
- before = entry;
- TAILQ_INSERT_BEFORE(before, sch, link);
- break;
- } else {
- sch->start_time = entry->end_time;
- sch->end_time = sch->start_time + duration;
Review comment:
I think
`rand_ticks = (orig_start + max_delay_ticks) - sch->start_time; `
equal to
`rand_ticks = (orig_end + max_delay_ticks) - sch->end_time; `
If we can insert sch into link, this means `sch->end_time <= orig_end +
max_delay_ticks`, so we can make sure sch will not overflow(max_delay). If
`sch` overlaps `next_sch`, `end_overlap` should be `next_sch` (sch->end_time <=
orig_end + max_delay < end_overlap->next_sch->start_time).
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