From 8d2a02b24d66aa359e83eebc1ed3c0f85367a1cb Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 16 May 2024 03:11:33 +0000
Subject: [PATCH] AX88772C_eeprom and ax8872c build together
---
kernel/net/ipv4/tcp_veno.c | 54 +++++++++++++++++++++++++++++-------------------------
1 files changed, 29 insertions(+), 25 deletions(-)
diff --git a/kernel/net/ipv4/tcp_veno.c b/kernel/net/ipv4/tcp_veno.c
index 6fcf482..cd50a61 100644
--- a/kernel/net/ipv4/tcp_veno.c
+++ b/kernel/net/ipv4/tcp_veno.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* TCP Veno congestion control
*
@@ -6,7 +7,7 @@
* "TCP Veno: TCP Enhancement for Transmission over Wireless Access Networks."
* IEEE Journal on Selected Areas in Communication,
* Feb. 2003.
- * See http://www.ie.cuhk.edu.hk/fileadmin/staff_upload/soung/Journal/J3.pdf
+ * See https://www.ie.cuhk.edu.hk/fileadmin/staff_upload/soung/Journal/J3.pdf
*/
#include <linux/mm.h>
@@ -152,31 +153,34 @@
veno->diff = (tp->snd_cwnd << V_PARAM_SHIFT) - target_cwnd;
if (tcp_in_slow_start(tp)) {
- /* Slow start. */
- tcp_slow_start(tp, acked);
- } else {
- /* Congestion avoidance. */
- if (veno->diff < beta) {
- /* In the "non-congestive state", increase cwnd
- * every rtt.
- */
- tcp_cong_avoid_ai(tp, tp->snd_cwnd, 1);
- } else {
- /* In the "congestive state", increase cwnd
- * every other rtt.
- */
- if (tp->snd_cwnd_cnt >= tp->snd_cwnd) {
- if (veno->inc &&
- tp->snd_cwnd < tp->snd_cwnd_clamp) {
- tp->snd_cwnd++;
- veno->inc = 0;
- } else
- veno->inc = 1;
- tp->snd_cwnd_cnt = 0;
- } else
- tp->snd_cwnd_cnt++;
- }
+ /* Slow start. */
+ acked = tcp_slow_start(tp, acked);
+ if (!acked)
+ goto done;
}
+
+ /* Congestion avoidance. */
+ if (veno->diff < beta) {
+ /* In the "non-congestive state", increase cwnd
+ * every rtt.
+ */
+ tcp_cong_avoid_ai(tp, tp->snd_cwnd, acked);
+ } else {
+ /* In the "congestive state", increase cwnd
+ * every other rtt.
+ */
+ if (tp->snd_cwnd_cnt >= tp->snd_cwnd) {
+ if (veno->inc &&
+ tp->snd_cwnd < tp->snd_cwnd_clamp) {
+ tp->snd_cwnd++;
+ veno->inc = 0;
+ } else
+ veno->inc = 1;
+ tp->snd_cwnd_cnt = 0;
+ } else
+ tp->snd_cwnd_cnt += acked;
+ }
+done:
if (tp->snd_cwnd < 2)
tp->snd_cwnd = 2;
else if (tp->snd_cwnd > tp->snd_cwnd_clamp)
--
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