- switch (hdr_type) {
- case 0: hdr_type_txt = "Any"; break;
- case 1: hdr_type_txt = "Beacon"; break;
- case 2: hdr_type_txt = "GeoUnicast"; break;
- case 3: switch (hdr_subtype) {
- case 0: hdr_type_txt = "GeoAnycastCircle"; break;
- case 1: hdr_type_txt = "GeoAnycastRect"; break;
- case 2: hdr_type_txt = "GeoAnycastElipse"; break;
- }
- break;
- case 4: switch (hdr_subtype) {
- case 0: hdr_type_txt = "GeoBroadcastCircle"; break;
- case 1: hdr_type_txt = "GeoBroadcastRect"; break;
- case 2: hdr_type_txt = "GeoBroadcastElipse"; break;
- }
- break;
- case 5: switch (hdr_subtype) {
- case 0: hdr_type_txt = "TopoScopeBcast-SH"; break;
- case 1: hdr_type_txt = "TopoScopeBcast-MH"; break;
- }
- break;
- case 6: switch (hdr_subtype) {
- case 0: hdr_type_txt = "LocService-Request"; break;
- case 1: hdr_type_txt = "LocService-Reply"; break;
- }
- break;
- }
+ version = GET_U_1(bp) >> 4;
+ next_hdr = GET_U_1(bp) & 0x0f;
+ hdr_type = GET_U_1(bp + 1) >> 4;
+ hdr_subtype = GET_U_1(bp + 1) & 0x0f;
+ payload_length = GET_BE_U_2(bp + 4);
+ hop_limit = GET_U_1(bp + 7);
+
+ switch (next_hdr) {
+ case 0: next_hdr_txt = "Any"; break;
+ case 1: next_hdr_txt = "BTP-A"; break;
+ case 2: next_hdr_txt = "BTP-B"; break;
+ case 3: next_hdr_txt = "IPv6"; break;
+ }
+
+ switch (hdr_type) {
+ case 0: hdr_type_txt = "Any"; break;
+ case 1: hdr_type_txt = "Beacon"; break;
+ case 2: hdr_type_txt = "GeoUnicast"; break;
+ case 3: switch (hdr_subtype) {
+ case 0: hdr_type_txt = "GeoAnycastCircle"; break;
+ case 1: hdr_type_txt = "GeoAnycastRect"; break;
+ case 2: hdr_type_txt = "GeoAnycastElipse"; break;
+ }
+ break;
+ case 4: switch (hdr_subtype) {
+ case 0: hdr_type_txt = "GeoBroadcastCircle"; break;
+ case 1: hdr_type_txt = "GeoBroadcastRect"; break;
+ case 2: hdr_type_txt = "GeoBroadcastElipse"; break;
+ }
+ break;
+ case 5: switch (hdr_subtype) {
+ case 0: hdr_type_txt = "TopoScopeBcast-SH"; break;
+ case 1: hdr_type_txt = "TopoScopeBcast-MH"; break;
+ }
+ break;
+ case 6: switch (hdr_subtype) {
+ case 0: hdr_type_txt = "LocService-Request"; break;
+ case 1: hdr_type_txt = "LocService-Reply"; break;
+ }
+ break;
+ }