From 093a6c67005148ae32a5c9e4553491b9f5c2457b Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:40:51 +0000
Subject: [PATCH] disable kernel build waring
---
kernel/samples/bpf/tcp_basertt_kern.c | 15 ++++-----------
1 files changed, 4 insertions(+), 11 deletions(-)
diff --git a/kernel/samples/bpf/tcp_basertt_kern.c b/kernel/samples/bpf/tcp_basertt_kern.c
index 4bf4fc5..822b074 100644
--- a/kernel/samples/bpf/tcp_basertt_kern.c
+++ b/kernel/samples/bpf/tcp_basertt_kern.c
@@ -7,7 +7,7 @@
* BPF program to set base_rtt to 80us when host is running TCP-NV and
* both hosts are in the same datacenter (as determined by IPv6 prefix).
*
- * Use load_sock_ops to load this BPF program.
+ * Use "bpftool cgroup attach $cg sock_ops $prog" to load this BPF program.
*/
#include <uapi/linux/bpf.h>
@@ -16,17 +16,10 @@
#include <uapi/linux/if_packet.h>
#include <uapi/linux/ip.h>
#include <linux/socket.h>
-#include "bpf_helpers.h"
-#include "bpf_endian.h"
+#include <bpf/bpf_helpers.h>
+#include <bpf/bpf_endian.h>
#define DEBUG 1
-
-#define bpf_printk(fmt, ...) \
-({ \
- char ____fmt[] = fmt; \
- bpf_trace_printk(____fmt, sizeof(____fmt), \
- ##__VA_ARGS__); \
-})
SEC("sockops")
int bpf_basertt(struct bpf_sock_ops *skops)
@@ -54,7 +47,7 @@
case BPF_SOCK_OPS_BASE_RTT:
n = bpf_getsockopt(skops, SOL_TCP, TCP_CONGESTION,
cong, sizeof(cong));
- if (!n && !__builtin_memcmp(cong, nv, sizeof(nv)+1)) {
+ if (!n && !__builtin_memcmp(cong, nv, sizeof(nv))) {
/* Set base_rtt to 80us */
rv = 80;
} else if (n) {
--
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