MINOR: quic: Send packets as much as possible from qc_send_app_pkts()
Add a loop into this function to send more packets from this function
which is called by the mux. It is broken when we could not prepare
packet with qc_prep_app_pkts() due to missing available room in the
buffer used to send packets. This improves the throughput.
Must be backported to 2.6.
diff --git a/src/xprt_quic.c b/src/xprt_quic.c
index 4a77db1..67ab817 100644
--- a/src/xprt_quic.c
+++ b/src/xprt_quic.c
@@ -3678,16 +3678,19 @@
/* Never happens */
return 1;
- if (old_data)
- qc->flags |= QUIC_FL_CONN_RETRANS_OLD_DATA;
- ret = qc_prep_app_pkts(qc, qr, frms);
- if (ret == -1)
- goto err;
- else if (ret == 0)
- goto out;
+ /* Prepare and send packets until we could not further prepare packets. */
+ while (1) {
+ if (old_data)
+ qc->flags |= QUIC_FL_CONN_RETRANS_OLD_DATA;
+ ret = qc_prep_app_pkts(qc, qr, frms);
+ if (ret == -1)
+ goto err;
+ else if (ret == 0)
+ goto out;
- if (!qc_send_ppkts(qr, qc->xprt_ctx))
- goto err;
+ if (!qc_send_ppkts(qr, qc->xprt_ctx))
+ goto err;
+ }
out:
qc->flags &= ~QUIC_FL_CONN_RETRANS_OLD_DATA;