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MINOR: quic: Missing retransmission from qc_prep_fast_retrans()

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In fact we must look for the first packet with some ack-elicting frame to
in the packet number space tree to retransmit from. Obviously there
may be already retransmit packets which are not deemed as lost and
still present in the packet number space tree for TX packets.
This commit is contained in:
Frédéric Lécaille 2022-01-06 17:28:05 +01:00 committed by Amaury Denoyelle
parent d4ecf94827
commit f010f0aaf2
1 changed files with 10 additions and 2 deletions
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12
src/xprt_quic.c
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@ -2189,12 +2189,20 @@ static void qc_prep_fast_retrans(struct quic_enc_level *qel,
struct quic_frame *frm, *frmbak;
start:
pkt = NULL;
pkts = &qel->pktns->tx.pkts;
node = eb64_first(pkts);
if (!node)
/* Skip the empty packet (they have already been retransmitted) */
while (node) {
pkt = eb64_entry(&node->node, struct quic_tx_packet, pn_node);
if (!LIST_ISEMPTY(&pkt->frms))
break;
node = eb64_next(node);
}
if (!pkt)
return;
pkt = eb64_entry(&node->node, struct quic_tx_packet, pn_node);
list_for_each_entry_safe(frm, frmbak, &pkt->frms, list)
qc_treat_nacked_tx_frm(qc, frm, qel->pktns);
if (qel == &qc->els[QUIC_TLS_ENC_LEVEL_INITIAL] &&