lib: Add a function to print SRv6 Endpoint Behavior Codepoints

Signed-off-by: Yuqing Zhao <galadriel.zyq@alibaba-inc.com>

1 files changed, 36 insertions, 0 deletions

diff --git a/lib/srv6.h b/lib/srv6.h
index 9a041e3d85..41e0a076f9 100644
--- a/lib/srv6.h
+++ b/lib/srv6.h
@@ -186,6 +186,42 @@ enum srv6_endpoint_behavior_codepoint {
 	SRV6_ENDPOINT_BEHAVIOR_OPAQUE           = 0xFFFF,
 };
 
+/*
+ * Convert SRv6 endpoint behavior codepoints to human-friendly string.
+ */
+static inline const char *
+srv6_endpoint_behavior_codepoint2str(enum srv6_endpoint_behavior_codepoint behavior)
+{
+	switch (behavior) {
+	case SRV6_ENDPOINT_BEHAVIOR_RESERVED:
+		return "Reserved";
+	case SRV6_ENDPOINT_BEHAVIOR_END:
+		return "End";
+	case SRV6_ENDPOINT_BEHAVIOR_END_X:
+		return "End.X";
+	case SRV6_ENDPOINT_BEHAVIOR_END_DT6:
+		return "End.DT6";
+	case SRV6_ENDPOINT_BEHAVIOR_END_DT4:
+		return "End.DT4";
+	case SRV6_ENDPOINT_BEHAVIOR_END_DT46:
+		return "End.DT46";
+	case SRV6_ENDPOINT_BEHAVIOR_END_NEXT_CSID:
+		return "uN";
+	case SRV6_ENDPOINT_BEHAVIOR_END_X_NEXT_CSID:
+		return "uA";
+	case SRV6_ENDPOINT_BEHAVIOR_END_DT6_USID:
+		return "uDT6";
+	case SRV6_ENDPOINT_BEHAVIOR_END_DT4_USID:
+		return "uDT4";
+	case SRV6_ENDPOINT_BEHAVIOR_END_DT46_USID:
+		return "uDT46";
+	case SRV6_ENDPOINT_BEHAVIOR_OPAQUE:
+		return "Opaque";
+	}
+
+	return "Unspec";
+}
+
 struct nexthop_srv6 {
 	/* SRv6 localsid info for Endpoint-behaviour */
 	enum seg6local_action_t seg6local_action;