Define LookupLock by means of BPF_F_LOCK

Signed-off-by: Tobias Klauser <tobias@cilium.io>
cilium · Apr 11, 2024 · 32b95e4 · 32b95e4
1 parent 1d00992
commit 32b95e4
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Showing 3 changed files with 3 additions and 1 deletion.
diff --git a/internal/unix/types_linux.go b/internal/unix/types_linux.go
@@ -41,6 +41,7 @@ const (
 	BPF_F_INNER_MAP           = linux.BPF_F_INNER_MAP
 	BPF_F_KPROBE_MULTI_RETURN = linux.BPF_F_KPROBE_MULTI_RETURN
 	BPF_F_UPROBE_MULTI_RETURN = linux.BPF_F_UPROBE_MULTI_RETURN
+	BPF_F_LOCK                = linux.BPF_F_LOCK
 	BPF_OBJ_NAME_LEN          = linux.BPF_OBJ_NAME_LEN
 	BPF_TAG_SIZE              = linux.BPF_TAG_SIZE
 	BPF_RINGBUF_BUSY_BIT      = linux.BPF_RINGBUF_BUSY_BIT

diff --git a/internal/unix/types_other.go b/internal/unix/types_other.go
@@ -93,6 +93,7 @@ const (
 	DEBUGFS_MAGIC
 	BPF_RB_NO_WAKEUP
 	BPF_RB_FORCE_WAKEUP
+	BPF_F_LOCK
 )
 
 type Statfs_t struct {

diff --git a/map.go b/map.go
@@ -575,7 +575,7 @@ func (m *Map) Info() (*MapInfo, error) {
 type MapLookupFlags uint64
 
 // LookupLock look up the value of a spin-locked map.
-const LookupLock MapLookupFlags = 4
+const LookupLock MapLookupFlags = unix.BPF_F_LOCK
 
 // Lookup retrieves a value from a Map.
 //