diff options
Diffstat (limited to 'src/lib/frct.c')
| -rw-r--r-- | src/lib/frct.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/src/lib/frct.c b/src/lib/frct.c index c055433d..8eabfc67 100644 --- a/src/lib/frct.c +++ b/src/lib/frct.c @@ -1857,6 +1857,7 @@ struct frcti * frcti_create(int fd, / SACK_BLOCK_SIZE; if (bb > SACK_MAX_BLOCKS) bb = SACK_MAX_BLOCKS; + frcti->sack_n_max = (uint16_t) bb; frcti->max_rcv_sdu = FRCT_MAX_SDU; @@ -2062,6 +2063,7 @@ int frcti_set_rcv_ring_sz(struct frcti * frcti, if (!frcti->stream) return -ENOTSUP; + if (!stream_ring_sz_ok(frcti, n)) return -EINVAL; @@ -2998,8 +3000,10 @@ static int tlp_arm(struct frcti * frcti) /* §7.3: one outstanding probe, MAX_TLP_PER_EP per recovery ep. */ if (LOAD_RELAXED(&frcti->tlp_high_seq) != 0) return 0; + if (LOAD_RELAXED(&frcti->tlp_count) >= MAX_TLP_PER_EP) return 0; + if (__atomic_test_and_set(&frcti->tlp_pending, __ATOMIC_RELAXED)) return 0; @@ -3082,15 +3086,20 @@ static bool rtt_sample_eligible(struct frcti * frcti, { if (flags & FRCT_RXM) return false; + if (frcti->snd_slots[p].flags & (SND_RTX | SND_TLP)) return false; + if (LOAD_ACQUIRE(&frcti->snd_slots[p].rxm) == NULL) return false; + if (before(lwe, frcti->rtt_lwe)) return false; + /* Don't seed srtt from a cum-ACK; let probes seed. */ if (frcti->srtt == 0) return false; + return true; } @@ -3584,6 +3593,7 @@ static bool sack_check(struct frcti * frcti, n = dsack_consume(frcti, out->blocks); if (n == 1) out->dsack = true; + n += sack_blocks_build(frcti, out->blocks + n, frcti->sack_n_max - n); @@ -3646,6 +3656,7 @@ static void seqno_rotate(struct frcti * frcti, if (!ts_aged_ns(now_ns, snd_cr->act, snd_cr->inact)) return; + /* Idle-on-wire ≠ idle e2e: don't orphan in-flight rxm. */ if (snd_cr->seqno != snd_cr->lwe) return; @@ -3709,9 +3720,6 @@ static int frcti_snd(struct frcti * frcti, memset(pci, 0, FRCT_PCILEN); - if (frcti->stream) - spci = FRCT_SPCI(pci); - clock_gettime(PTHREAD_COND_CLOCK, &now); now_ns = TS_TO_UINT64(now); @@ -3727,6 +3735,8 @@ static int frcti_snd(struct frcti * frcti, STAT_BUMP(frcti, frag_snd); if (frcti->stream) { + spci = FRCT_SPCI(pci); + if (flags & FRCT_FIN) pci_flags |= FRCT_FIN; |