diff options
Diffstat (limited to 'sys/netpfil/ipfw/dn_aqm_pie.c')
| -rw-r--r-- | sys/netpfil/ipfw/dn_aqm_pie.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/sys/netpfil/ipfw/dn_aqm_pie.c b/sys/netpfil/ipfw/dn_aqm_pie.c index 8259d08..c306a4c 100644 --- a/sys/netpfil/ipfw/dn_aqm_pie.c +++ b/sys/netpfil/ipfw/dn_aqm_pie.c @@ -211,11 +211,16 @@ calculate_drop_prob(void *x) pprms = pst->parms; prob = pst->drop_prob; - /* calculate current qdelay */ - if (pprms->flags & PIE_DEPRATEEST_ENABLED) { + /* calculate current qdelay using DRE method. + * If TS is used and no data in the queue, reset current_qdelay + * as it stays at last value during dequeue process. + */ + if (pprms->flags & PIE_DEPRATEEST_ENABLED) pst->current_qdelay = ((uint64_t)pst->pq->ni.len_bytes * pst->avg_dq_time) >> PIE_DQ_THRESHOLD_BITS; - } + else + if (!pst->pq->ni.len_bytes) + pst->current_qdelay = 0; /* calculate drop probability */ p = (int64_t)pprms->alpha * |
