From: Felix Fietkau <nbd@nbd.name>
Date: Thu, 18 Nov 2021 22:28:35 +0000 (+0100)
Subject: bpf: fix bulk flow detaction
X-Git-Url: http://git.openwrt.org/openwrt/feeds.git?p=project%2Fqosify.git;a=commitdiff_plain;h=46cf3eae2d99052fdbca347293fe7366cdbc576f

bpf: fix bulk flow detaction

Take number of GSO segments into account

Signed-off-by: Felix Fietkau <nbd@nbd.name>
---

diff --git a/qosify-bpf.c b/qosify-bpf.c
index b7e7093..d59415f 100644
--- a/qosify-bpf.c
+++ b/qosify-bpf.c
@@ -283,6 +283,7 @@ check_flow_bulk(struct qosify_flow_config *config, struct __sk_buff *skb,
 	bool trigger = false;
 	__s32 delta;
 	__u32 time;
+	int segs = 1;
 
 	if (!config->bulk_trigger_pps)
 		return;
@@ -295,7 +296,9 @@ check_flow_bulk(struct qosify_flow_config *config, struct __sk_buff *skb,
 	if ((u32)delta > FLOW_TIMEOUT)
 		goto reset;
 
-	flow->pkt_count++;
+	if (skb->gso_size && skb->gso_segs)
+		segs = skb->gso_segs;
+	flow->pkt_count += segs;
 	if (flow->pkt_count > config->bulk_trigger_pps) {
 		flow->bulk_timeout = config->bulk_trigger_timeout + 1;
 		trigger = true;