add rsvp capability object rfc5063

[tcpdump] / print-rsvp.c

diff --git a/print-rsvp.c b/print-rsvp.c
index c1efc1ded76a3c7d5279ba5f9e595e639dbf1e09..1be8a40c95f276f6c1fcb2ad992507754f599dad 100644 (file)
--- a/print-rsvp.c
+++ b/print-rsvp.c
@@ -113,6 +113,13 @@ static const struct tok rsvp_header_flag_values[] = {
     { 0, NULL}
 };
 
+static const struct tok rsvp_obj_capability_flag_values[] = {
+    { 0x0004,                "RecoveryPath Transmit Enabled" },
+    { 0x0002,                "RecoveryPath Desired" },
+    { 0x0001,                "RecoveryPath Srefresh Capable" },
+    { 0, NULL}
+};
+
 #define        RSVP_OBJ_SESSION            1   /* rfc2205 */
 #define        RSVP_OBJ_RSVP_HOP           3   /* rfc2205, rfc3473 */
 #define        RSVP_OBJ_INTEGRITY          4   /* rfc2747 */
@@ -146,6 +153,7 @@ static const struct tok rsvp_header_flag_values[] = {
 #define        RSVP_OBJ_SUGGESTED_LABEL    129 /* rfc3473 */
 #define        RSVP_OBJ_ACCEPT_LABEL_SET   130 /* rfc3473 */
 #define        RSVP_OBJ_RESTART_CAPABILITY 131 /* rfc3473 */
+#define RSVP_OBJ_CAPABILITY         134 /* rfc5063 */
 #define        RSVP_OBJ_NOTIFY_REQ         195 /* rfc3473 */
 #define        RSVP_OBJ_ADMIN_STATUS       196 /* rfc3473 */
 #define        RSVP_OBJ_PROPERTIES         204 /* juniper proprietary */
@@ -193,6 +201,7 @@ static const struct tok rsvp_obj_values[] = {
     { RSVP_OBJ_CALL_ID,            "Call-ID" },
     { RSVP_OBJ_CALL_OPS,           "Call Capability" },
     { RSVP_OBJ_RESTART_CAPABILITY, "Restart Capability" },
+    { RSVP_OBJ_CAPABILITY,         "Capability" },
     { RSVP_OBJ_NOTIFY_REQ,         "Notify Request" },
     { RSVP_OBJ_PROTECTION,         "Protection" },
     { RSVP_OBJ_ADMIN_STATUS,       "Administrative Status" },
@@ -280,6 +289,7 @@ static const struct tok rsvp_ctype_values[] = {
     { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_3,                  "IPv4 plus opt. TLVs" },
     { 256*RSVP_OBJ_ERROR_SPEC+RSVP_CTYPE_4,                  "IPv6 plus opt. TLVs" },
     { 256*RSVP_OBJ_RESTART_CAPABILITY+RSVP_CTYPE_1,          "IPv4" },
+    { 256*RSVP_OBJ_CAPABILITY+RSVP_CTYPE_1,                  "1" },
     { 256*RSVP_OBJ_SESSION_ATTRIBUTE+RSVP_CTYPE_TUNNEL_IPV4, "Tunnel IPv4" },
     { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_TUNNEL_IPV4,       "Tunnel IPv4" }, /* old style*/
     { 256*RSVP_OBJ_FASTREROUTE+RSVP_CTYPE_1,                 "1" }, /* new style */
@@ -323,6 +333,8 @@ struct rsvp_obj_frr_t {
 #define RSVP_OBJ_XRO_MASK_SUBOBJ(x)   ((x)&0x7f)
 #define RSVP_OBJ_XRO_MASK_LOOSE(x)    ((x)&0x80)
 
+#define RSVP_OBJ_CAPABILITY_FLAGS_MASK  0x7
+
 #define        RSVP_OBJ_XRO_RES       0
 #define        RSVP_OBJ_XRO_IPV4      1
 #define        RSVP_OBJ_XRO_IPV6      2
@@ -1176,6 +1188,28 @@ rsvp_obj_print(netdissect_options *ndo,
             }
             break;
 
+        case RSVP_OBJ_CAPABILITY:
+            switch(rsvp_obj_ctype) {
+            case RSVP_CTYPE_1:
+                if (obj_tlen < 4)
+                    return-1;
+                uint8_t unused_and_flags = GET_BE_U_4(obj_tptr);
+                if (unused_and_flags & ~RSVP_OBJ_CAPABILITY_FLAGS_MASK)
+                    ND_PRINT("%s  [reserved=0x%08x must be zero]", indent,
+                        unused_and_flags & ~RSVP_OBJ_CAPABILITY_FLAGS_MASK);
+                ND_PRINT("%s  Flags: [%s]",
+                       indent,
+                       bittok2str(rsvp_obj_capability_flag_values,
+                                  "none",
+                                  (unused_and_flags & RSVP_OBJ_CAPABILITY_FLAGS_MASK)));
+                obj_tlen-=4;
+                obj_tptr+=4;
+                break;
+            default:
+                hexdump=TRUE;
+            }
+            break;
+
         case RSVP_OBJ_SESSION_ATTRIBUTE:
             switch(rsvp_obj_ctype) {
             case RSVP_CTYPE_TUNNEL_IPV4: