[PATCH v4 3/4] lapi: Add tc_pedit.h fallback

From: Andrea Cervesato <andrea.cervesato-IBi9RG/[email protected]>

Signed-off-by: Andrea Cervesato <andrea.cervesato-IBi9RG/[email protected]>
---
 configure.ac            |  6 ++++++
 include/lapi/tc_pedit.h | 52 +++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 58 insertions(+)

diff --git a/configure.ac b/configure.ac
index 3a1283ac3a30d85ca731ca54a281ed0c1d4bc06e..19fc5e1b8f5f5f94bd797ff2ba4275c29c20cb6c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -190,6 +190,12 @@ AC_CHECK_MEMBERS([struct utsname.domainname],,,[
 ])
 
 AC_CHECK_TYPES([enum kcmp_type],,,[#include <linux/kcmp.h>])
+AC_CHECK_TYPES([enum pedit_header_type],,,[#include <linux/tc_act/tc_pedit.h>])
+AC_CHECK_TYPES([enum pedit_cmd],,,[#include <linux/tc_act/tc_pedit.h>])
+AC_CHECK_DECLS([TCA_PEDIT_PARMS_EX, TCA_PEDIT_KEYS_EX, TCA_PEDIT_KEY_EX,
+	TCA_PEDIT_KEY_EX_HTYPE, TCA_PEDIT_KEY_EX_CMD],,,[
+#include <linux/tc_act/tc_pedit.h>
+])
 AC_CHECK_TYPES([struct acct_v3],,,[#include <sys/acct.h>])
 AC_CHECK_TYPES([struct af_alg_iv, struct sockaddr_alg],,,[# include <linux/if_alg.h>])
 AC_CHECK_TYPES([struct clone_args],,,[#include <sched.h>])
diff --git a/include/lapi/tc_pedit.h b/include/lapi/tc_pedit.h
new file mode 100644
index 0000000000000000000000000000000000000000..057d96efd3fb0f2556886c9774b0bd5682b14398
--- /dev/null
+++ b/include/lapi/tc_pedit.h
@@ -0,0 +1,52 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Copyright (c) 2026 SUSE LLC <andrea.cervesato-IBi9RG/[email protected]>
+ */
+
+#ifndef LAPI_TC_PEDIT_H__
+#define LAPI_TC_PEDIT_H__
+
+#include "config.h"
+#include <linux/tc_act/tc_pedit.h>
+
+#if !HAVE_DECL_TCA_PEDIT_PARMS_EX
+# define TCA_PEDIT_PARMS_EX		4
+#endif
+
+#if !HAVE_DECL_TCA_PEDIT_KEYS_EX
+# define TCA_PEDIT_KEYS_EX		5
+#endif
+
+#if !HAVE_DECL_TCA_PEDIT_KEY_EX
+# define TCA_PEDIT_KEY_EX		6
+#endif
+
+#if !HAVE_DECL_TCA_PEDIT_KEY_EX_HTYPE
+# define TCA_PEDIT_KEY_EX_HTYPE		1
+#endif
+
+#if !HAVE_DECL_TCA_PEDIT_KEY_EX_CMD
+# define TCA_PEDIT_KEY_EX_CMD		2
+#endif
+
+#ifndef HAVE_ENUM_PEDIT_HEADER_TYPE
+enum pedit_header_type {
+	TCA_PEDIT_KEY_EX_HDR_TYPE_NETWORK = 0,
+	TCA_PEDIT_KEY_EX_HDR_TYPE_ETH,
+	TCA_PEDIT_KEY_EX_HDR_TYPE_IP4,
+	TCA_PEDIT_KEY_EX_HDR_TYPE_IP6,
+	TCA_PEDIT_KEY_EX_HDR_TYPE_TCP,
+	TCA_PEDIT_KEY_EX_HDR_TYPE_UDP,
+	__PEDIT_HDR_TYPE_MAX,
+};
+#endif
+
+#ifndef HAVE_ENUM_PEDIT_CMD
+enum pedit_cmd {
+	TCA_PEDIT_KEY_EX_CMD_SET = 0,
+	TCA_PEDIT_KEY_EX_CMD_ADD,
+	__PEDIT_CMD_MAX,
+};
+#endif
+
+#endif /* LAPI_TC_PEDIT_H__ */

-- 
2.51.0


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