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new 393fa59 Fixed `ip_list_rcv` probe is not exist in older linux kernel
(#130)
393fa59 is described below
commit 393fa596f82157fe4707c955be911c0632b9fc56
Author: mrproliu <[email protected]>
AuthorDate: Thu Jun 13 04:54:04 2024 +0000
Fixed `ip_list_rcv` probe is not exist in older linux kernel (#130)
---
CHANGES.md | 1 +
pkg/accesslog/collector/l24.go | 4 ++--
2 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/CHANGES.md b/CHANGES.md
index 13b3b37..3c1fa83 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -11,6 +11,7 @@ Release Notes.
#### Bug Fixes
* Fixed the issue where `conntrack` could not find the Reply IP in the access
log module.
* Fix errors when compiling C source files into eBPF bytecode on a system with
Linux headers version 6.2 or higher.
+* Fixed `ip_list_rcv` probe is not exist in older linux kernel.
#### Documentation
diff --git a/pkg/accesslog/collector/l24.go b/pkg/accesslog/collector/l24.go
index aaf4182..ef0aeb5 100644
--- a/pkg/accesslog/collector/l24.go
+++ b/pkg/accesslog/collector/l24.go
@@ -45,13 +45,13 @@ func (c *L24Collector) startRead(_ *module.Manager, context
*common.AccessLogCon
context.BPF.AddTracePoint("net", "netif_receive_skb",
context.BPF.TracepointNetifReceiveSkb)
// l3
- context.BPF.AddLink(link.Kprobe,
map[string]*ebpf.Program{"ip_list_rcv": context.BPF.IpListRcv})
- context.BPF.AddLink(link.Kretprobe,
map[string]*ebpf.Program{"ip_list_rcv": context.BPF.IpListRcvRet})
context.BPF.AddLink(link.Kprobe, map[string]*ebpf.Program{"ip_rcv":
context.BPF.IpRcv})
context.BPF.AddLink(link.Kretprobe, map[string]*ebpf.Program{"ip_rcv":
context.BPF.IpRcvRet})
context.BPF.AddLink(link.Kprobe,
map[string]*ebpf.Program{"ip_rcv_finish": context.BPF.IpRcvFinish})
context.BPF.AddLink(link.Kprobe,
map[string]*ebpf.Program{"ip_local_deliver": context.BPF.IpLocalDeliver})
// it's not exist in old kernel versions
+ _ = context.BPF.AddLinkOrError(link.Kprobe,
map[string]*ebpf.Program{"ip_list_rcv": context.BPF.IpListRcv})
+ _ = context.BPF.AddLinkOrError(link.Kretprobe,
map[string]*ebpf.Program{"ip_list_rcv": context.BPF.IpListRcvRet})
_ = context.BPF.AddLinkOrError(link.Kprobe,
map[string]*ebpf.Program{"ip_sublist_rcv_finish":
context.BPF.IpSublistRcvFinish})
_ = context.BPF.AddLinkOrError(link.Kprobe,
map[string]*ebpf.Program{"ip_local_deliver_finish":
context.BPF.IpLocalDeliverFinish})
