pbrd: dscp interpret standard codepoints

Matching by dscp may now also be specified by its standard codepoint
(provided it has one), such as `cf0` or `af11`.

Signed-off-by: Wesley Coakley <wcoakley@nvidia.com>

1 files changed, 53 insertions, 0 deletions

diff --git a/pbrd/pbr_map.c b/pbrd/pbr_map.c
index 3a3bea349f..2f801bd74d 100644
--- a/pbrd/pbr_map.c
+++ b/pbrd/pbr_map.c
@@ -444,6 +444,59 @@ static void pbr_map_add_interfaces(struct pbr_map *pbrm)
 	}
 }
 
+/* Decodes a standardized DSCP into its representative value */
+uint8_t pbr_map_decode_dscp_enum(const char *name)
+{
+	/* Standard Differentiated Services Field Codepoints */
+	if (!strcmp(name, "cs0"))
+		return 0;
+	if (!strcmp(name, "cs1"))
+		return 8;
+	if (!strcmp(name, "cs2"))
+		return 16;
+	if (!strcmp(name, "cs3"))
+		return 24;
+	if (!strcmp(name, "cs4"))
+		return 32;
+	if (!strcmp(name, "cs5"))
+		return 40;
+	if (!strcmp(name, "cs6"))
+		return 48;
+	if (!strcmp(name, "cs7"))
+		return 56;
+	if (!strcmp(name, "af11"))
+		return 10;
+	if (!strcmp(name, "af12"))
+		return 12;
+	if (!strcmp(name, "af13"))
+		return 14;
+	if (!strcmp(name, "af21"))
+		return 18;
+	if (!strcmp(name, "af22"))
+		return 20;
+	if (!strcmp(name, "af23"))
+		return 22;
+	if (!strcmp(name, "af31"))
+		return 26;
+	if (!strcmp(name, "af32"))
+		return 28;
+	if (!strcmp(name, "af33"))
+		return 30;
+	if (!strcmp(name, "af41"))
+		return 34;
+	if (!strcmp(name, "af42"))
+		return 36;
+	if (!strcmp(name, "af43"))
+		return 38;
+	if (!strcmp(name, "ef"))
+		return 46;
+	if (!strcmp(name, "voice-admit"))
+		return 44;
+
+	/* No match? Error out */
+	return -1;
+}
+
 struct pbr_map_sequence *pbrms_get(const char *name, uint32_t seqno)
 {
 	struct pbr_map *pbrm;