From 1852a2594d9e460803564c299d38ba14402666d5 Mon Sep 17 00:00:00 2001
From: Haruue <i@haruue.moe>
Date: Wed, 28 Feb 2024 21:20:08 +0800
Subject: [PATCH] fix: engine exit when too many packets hit NFQUEUE

This is a more graceful way to disable ENOBUFS reporting than
bed34f94be612a8e59f51d4b6e1f019f4b0b038d
---
 io/nfqueue.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/io/nfqueue.go b/io/nfqueue.go
index a4e5e2f..6b626a4 100644
--- a/io/nfqueue.go
+++ b/io/nfqueue.go
@@ -127,6 +127,10 @@ func NewNFQueuePacketIO(config NFQueuePacketIOConfig) (PacketIO, error) {
 	if err != nil {
 		return nil, err
 	}
+	err = n.Con.SetOption(netlink.NoENOBUFS, true)
+	if err != nil {
+		return nil, fmt.Errorf("failed to set NoENOBUFS option: %w", err)
+	}
 	return &nfqueuePacketIO{
 		n:     n,
 		local: config.Local,