From 6778948f9de86c3cfaf36725a7c87dcff9ba247f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 08:20:59 +0000
Subject: [PATCH] kernel_5.10 no rt
---
kernel/include/net/fq_impl.h | 22 +++++++++++-----------
1 files changed, 11 insertions(+), 11 deletions(-)
diff --git a/kernel/include/net/fq_impl.h b/kernel/include/net/fq_impl.h
index 4b3e18f..e73d74d 100644
--- a/kernel/include/net/fq_impl.h
+++ b/kernel/include/net/fq_impl.h
@@ -1,7 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2016 Qualcomm Atheros, Inc
- *
- * GPL v2
*
* Based on net/sched/sch_fq_codel.c
*/
@@ -107,21 +106,23 @@
return skb;
}
+static u32 fq_flow_idx(struct fq *fq, struct sk_buff *skb)
+{
+ u32 hash = skb_get_hash(skb);
+
+ return reciprocal_scale(hash, fq->flows_cnt);
+}
+
static struct fq_flow *fq_flow_classify(struct fq *fq,
- struct fq_tin *tin,
+ struct fq_tin *tin, u32 idx,
struct sk_buff *skb,
fq_flow_get_default_t get_default_func)
{
struct fq_flow *flow;
- u32 hash;
- u32 idx;
lockdep_assert_held(&fq->lock);
- hash = skb_get_hash_perturb(skb, &fq->perturbation);
- idx = reciprocal_scale(hash, fq->flows_cnt);
flow = &fq->flows[idx];
-
if (flow->tin && flow->tin != tin) {
flow = get_default_func(fq, tin, idx, skb);
tin->collisions++;
@@ -153,7 +154,7 @@
}
static void fq_tin_enqueue(struct fq *fq,
- struct fq_tin *tin,
+ struct fq_tin *tin, u32 idx,
struct sk_buff *skb,
fq_skb_free_t free_func,
fq_flow_get_default_t get_default_func)
@@ -163,7 +164,7 @@
lockdep_assert_held(&fq->lock);
- flow = fq_flow_classify(fq, tin, skb, get_default_func);
+ flow = fq_flow_classify(fq, tin, idx, skb, get_default_func);
flow->tin = tin;
flow->backlog += skb->len;
@@ -307,7 +308,6 @@
INIT_LIST_HEAD(&fq->backlogs);
spin_lock_init(&fq->lock);
fq->flows_cnt = max_t(u32, flows_cnt, 1);
- get_random_bytes(&fq->perturbation, sizeof(fq->perturbation));
fq->quantum = 300;
fq->limit = 8192;
fq->memory_limit = 16 << 20; /* 16 MBytes */
--
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