1 files changed, 0 insertions, 95 deletions
diff --git a/package/kernel/mac80211/patches/subsys/310-net-fq_impl-bulk-free-packets-from-a-flow-on-overmem.patch b/package/kernel/mac80211/patches/subsys/310-net-fq_impl-bulk-free-packets-from-a-flow-on-overmem.patch
deleted file mode 100644
index 05a888006e..0000000000
--- a/package/kernel/mac80211/patches/subsys/310-net-fq_impl-bulk-free-packets-from-a-flow-on-overmem.patch
+++ /dev/null
@@ -1,95 +0,0 @@
-From: Felix Fietkau <nbd@nbd.name>
-Date: Wed, 25 Nov 2020 18:03:46 +0100
-Subject: [PATCH] net/fq_impl: bulk-free packets from a flow on overmemory
-
-This is similar to what sch_fq_codel does. It also amortizes the worst
-case cost of a follow-up patch that changes the selection of the biggest
-flow for dropping packets
-
-Signed-off-by: Felix Fietkau <nbd@nbd.name>
----
-
---- a/include/net/fq_impl.h
-+++ b/include/net/fq_impl.h
-@@ -11,17 +11,25 @@
- 
- /* functions that are embedded into includer */
- 
-+
-+static void
-+__fq_adjust_removal(struct fq *fq, struct fq_flow *flow, unsigned int packets,
-+		    unsigned int bytes, unsigned int truesize)
-+{
-+	struct fq_tin *tin = flow->tin;
-+
-+	tin->backlog_bytes -= bytes;
-+	tin->backlog_packets -= packets;
-+	flow->backlog -= bytes;
-+	fq->backlog -= packets;
-+	fq->memory_usage -= truesize;
-+}
-+
- static void fq_adjust_removal(struct fq *fq,
- 			      struct fq_flow *flow,
- 			      struct sk_buff *skb)
- {
--	struct fq_tin *tin = flow->tin;
--
--	tin->backlog_bytes -= skb->len;
--	tin->backlog_packets--;
--	flow->backlog -= skb->len;
--	fq->backlog--;
--	fq->memory_usage -= skb->truesize;
-+	__fq_adjust_removal(fq, flow, 1, skb->len, skb->truesize);
- }
- 
- static void fq_rejigger_backlog(struct fq *fq, struct fq_flow *flow)
-@@ -59,6 +67,34 @@ static struct sk_buff *fq_flow_dequeue(s
- 	return skb;
- }
- 
-+static int fq_flow_drop(struct fq *fq, struct fq_flow *flow,
-+			fq_skb_free_t free_func)
-+{
-+	unsigned int packets = 0, bytes = 0, truesize = 0;
-+	struct fq_tin *tin = flow->tin;
-+	struct sk_buff *skb;
-+	int pending;
-+
-+	lockdep_assert_held(&fq->lock);
-+
-+	pending = min_t(int, 32, skb_queue_len(&flow->queue) / 2);
-+	do {
-+		skb = __skb_dequeue(&flow->queue);
-+		if (!skb)
-+			break;
-+
-+		packets++;
-+		bytes += skb->len;
-+		truesize += skb->truesize;
-+		free_func(fq, tin, flow, skb);
-+	} while (packets < pending);
-+
-+	__fq_adjust_removal(fq, flow, packets, bytes, truesize);
-+	fq_rejigger_backlog(fq, flow);
-+
-+	return packets;
-+}
-+
- static struct sk_buff *fq_tin_dequeue(struct fq *fq,
- 				      struct fq_tin *tin,
- 				      fq_tin_dequeue_t dequeue_func)
-@@ -190,12 +226,9 @@ static void fq_tin_enqueue(struct fq *fq
- 		if (!flow)
- 			return;
- 
--		skb = fq_flow_dequeue(fq, flow);
--		if (!skb)
-+		if (!fq_flow_drop(fq, flow, free_func))
- 			return;
- 
--		free_func(fq, flow->tin, flow, skb);
--
- 		flow->tin->overlimit++;
- 		fq->overlimit++;
- 		if (oom) {