From ff472ca8ab048e915f906aa27f20227b9002dd05 Mon Sep 17 00:00:00 2001
From: Huang-Huang Bao <i@eh5.me>
Date: Sun, 12 Jan 2025 14:39:58 +0800
Subject: [PATCH] doc: add a note regarding CONFIG_BPF_EVENTS in openwrt guide

---
 docs/guide/openwrt.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/docs/guide/openwrt.md b/docs/guide/openwrt.md
index c09e9bc..27531a5 100644
--- a/docs/guide/openwrt.md
+++ b/docs/guide/openwrt.md
@@ -35,6 +35,9 @@ Additional kernel configs required, you might need to add these to kernel config
 CONFIG_BPF_SYSCALL=y
 CONFIG_BPF_JIT=y
 CONFIG_NET_ACT_BPF=y
+
+# needed if using bpf_log_level >= 1
+CONFIG_BPF_EVENTS=y
 ```
 
 See https://github.com/iovisor/bcc/blob/master/docs/kernel_config.md for explanation on these BPF options.