Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 41 insertions, 0 deletions

diff --git a/include/net/tc_act/tc_csum.h b/include/net/tc_act/tc_csum.h
new file mode 100644
index 000000000..32d2454c0
--- /dev/null
+++ b/include/net/tc_act/tc_csum.h
@@ -0,0 +1,41 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __NET_TC_CSUM_H
+#define __NET_TC_CSUM_H
+
+#include <linux/types.h>
+#include <net/act_api.h>
+#include <linux/tc_act/tc_csum.h>
+
+struct tcf_csum_params {
+	u32 update_flags;
+	struct rcu_head rcu;
+};
+
+struct tcf_csum {
+	struct tc_action common;
+
+	struct tcf_csum_params __rcu *params;
+};
+#define to_tcf_csum(a) ((struct tcf_csum *)a)
+
+static inline bool is_tcf_csum(const struct tc_action *a)
+{
+#ifdef CONFIG_NET_CLS_ACT
+	if (a->ops && a->ops->type == TCA_ACT_CSUM)
+		return true;
+#endif
+	return false;
+}
+
+static inline u32 tcf_csum_update_flags(const struct tc_action *a)
+{
+	u32 update_flags;
+
+	rcu_read_lock();
+	update_flags = rcu_dereference(to_tcf_csum(a)->params)->update_flags;
+	rcu_read_unlock();
+
+	return update_flags;
+}
+
+#endif /* __NET_TC_CSUM_H */