+#define LLDP_EVB_MODE_NOT_SUPPORTED 0
+#define LLDP_EVB_MODE_EVB_BRIDGE 1
+#define LLDP_EVB_MODE_EVB_STATION 2
+#define LLDP_EVB_MODE_RESERVED 3
+
+static const struct tok lldp_evb_mode_values[]={
+ { LLDP_EVB_MODE_NOT_SUPPORTED, "Not Supported"},
+ { LLDP_EVB_MODE_EVB_BRIDGE, "EVB Bridge"},
+ { LLDP_EVB_MODE_EVB_STATION, "EVB Staion"},
+ { LLDP_EVB_MODE_RESERVED, "Reserved for future Standardization"},
+};
+
+#define NO_OF_BITS 8
+#define LLDP_PRIVATE_8021_SUBTYPE_CONGESTION_NOTIFICATION_LENGTH 6
+#define LLDP_PRIVATE_8021_SUBTYPE_ETS_CONFIGURATION_LENGTH 25
+#define LLDP_PRIVATE_8021_SUBTYPE_ETS_RECOMMENDATION_LENGTH 25
+#define LLDP_PRIVATE_8021_SUBTYPE_PFC_CONFIGURATION_LENGTH 6
+#define LLDP_PRIVATE_8021_SUBTYPE_APPLICATION_PRIORITY_MIN_LENGTH 5
+#define LLDP_PRIVATE_8021_SUBTYPE_EVB_LENGTH 9
+#define LLDP_PRIVATE_8021_SUBTYPE_CDCP_MIN_LENGTH 8
+
+#define LLDP_IANA_SUBTYPE_MUDURL 1
+
+static const struct tok lldp_iana_subtype_values[] = {
+ { LLDP_IANA_SUBTYPE_MUDURL, "MUD-URL" },
+ { 0, NULL }
+};
+
+
+static void
+print_ets_priority_assignment_table(netdissect_options *ndo,
+ const u_char *ptr)
+{
+ ND_PRINT((ndo, "\n\t Priority Assignment Table"));
+ ND_PRINT((ndo, "\n\t Priority : 0 1 2 3 4 5 6 7"));
+ ND_PRINT((ndo, "\n\t Value : %-3d %-3d %-3d %-3d %-3d %-3d %-3d %-3d",
+ ptr[0]>>4,ptr[0]&0x0f,ptr[1]>>4,ptr[1]&0x0f,ptr[2]>>4,
+ ptr[2] & 0x0f, ptr[3] >> 4, ptr[3] & 0x0f));
+}
+
+static void
+print_tc_bandwidth_table(netdissect_options *ndo,
+ const u_char *ptr)
+{
+ ND_PRINT((ndo, "\n\t TC Bandwidth Table"));
+ ND_PRINT((ndo, "\n\t TC%% : 0 1 2 3 4 5 6 7"));
+ ND_PRINT((ndo, "\n\t Value : %-3d %-3d %-3d %-3d %-3d %-3d %-3d %-3d",
+ ptr[0], ptr[1], ptr[2], ptr[3], ptr[4], ptr[5], ptr[6], ptr[7]));
+}
+
+static void
+print_tsa_assignment_table(netdissect_options *ndo,
+ const u_char *ptr)
+{
+ ND_PRINT((ndo, "\n\t TSA Assignment Table"));
+ ND_PRINT((ndo, "\n\t Traffic Class: 0 1 2 3 4 5 6 7"));
+ ND_PRINT((ndo, "\n\t Value : %-3d %-3d %-3d %-3d %-3d %-3d %-3d %-3d",
+ ptr[0], ptr[1], ptr[2], ptr[3], ptr[4], ptr[5], ptr[6], ptr[7]));
+}
+
+/*
+ * Print IEEE 802.1 private extensions. (802.1AB annex E)
+ */
+static int
+lldp_private_8021_print(netdissect_options *ndo,
+ const u_char *tptr, u_int tlv_len)
+{
+ int subtype, hexdump = FALSE;
+ u_int sublen;
+ u_int tval;
+ uint8_t i;
+
+ if (tlv_len < 4) {
+ return hexdump;
+ }
+ subtype = *(tptr+3);
+
+ ND_PRINT((ndo, "\n\t %s Subtype (%u)",
+ tok2str(lldp_8021_subtype_values, "unknown", subtype),
+ subtype));
+
+ switch (subtype) {
+ case LLDP_PRIVATE_8021_SUBTYPE_PORT_VLAN_ID:
+ if (tlv_len < 6) {
+ return hexdump;
+ }
+ ND_PRINT((ndo, "\n\t port vlan id (PVID): %u",
+ EXTRACT_16BITS(tptr + 4)));
+ break;
+ case LLDP_PRIVATE_8021_SUBTYPE_PROTOCOL_VLAN_ID:
+ if (tlv_len < 7) {
+ return hexdump;
+ }
+ ND_PRINT((ndo, "\n\t port and protocol vlan id (PPVID): %u, flags [%s] (0x%02x)",
+ EXTRACT_16BITS(tptr+5),
+ bittok2str(lldp_8021_port_protocol_id_values, "none", *(tptr+4)),
+ *(tptr + 4)));
+ break;
+ case LLDP_PRIVATE_8021_SUBTYPE_VLAN_NAME:
+ if (tlv_len < 6) {
+ return hexdump;
+ }
+ ND_PRINT((ndo, "\n\t vlan id (VID): %u", EXTRACT_16BITS(tptr + 4)));
+ if (tlv_len < 7) {
+ return hexdump;
+ }
+ sublen = *(tptr+6);
+ if (tlv_len < 7+sublen) {
+ return hexdump;
+ }
+ ND_PRINT((ndo, "\n\t vlan name: "));
+ safeputs(ndo, tptr + 7, sublen);
+ break;
+ case LLDP_PRIVATE_8021_SUBTYPE_PROTOCOL_IDENTITY:
+ if (tlv_len < 5) {
+ return hexdump;
+ }
+ sublen = *(tptr+4);
+ if (tlv_len < 5+sublen) {
+ return hexdump;
+ }
+ ND_PRINT((ndo, "\n\t protocol identity: "));
+ safeputs(ndo, tptr + 5, sublen);
+ break;
+ case LLDP_PRIVATE_8021_SUBTYPE_CONGESTION_NOTIFICATION:
+ if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_CONGESTION_NOTIFICATION_LENGTH){
+ return hexdump;
+ }
+ tval=*(tptr+4);
+ ND_PRINT((ndo, "\n\t Pre-Priority CNPV Indicator"));
+ ND_PRINT((ndo, "\n\t Priority : 0 1 2 3 4 5 6 7"));
+ ND_PRINT((ndo, "\n\t Value : "));
+ for(i=0;i<NO_OF_BITS;i++)
+ ND_PRINT((ndo, "%-2d ", (tval >> i) & 0x01));
+ tval=*(tptr+5);
+ ND_PRINT((ndo, "\n\t Pre-Priority Ready Indicator"));
+ ND_PRINT((ndo, "\n\t Priority : 0 1 2 3 4 5 6 7"));
+ ND_PRINT((ndo, "\n\t Value : "));
+ for(i=0;i<NO_OF_BITS;i++)
+ ND_PRINT((ndo, "%-2d ", (tval >> i) & 0x01));
+ break;
+
+ case LLDP_PRIVATE_8021_SUBTYPE_ETS_CONFIGURATION:
+ if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_ETS_CONFIGURATION_LENGTH) {
+ return hexdump;
+ }
+ tval=*(tptr+4);
+ ND_PRINT((ndo, "\n\t Willing:%d, CBS:%d, RES:%d, Max TCs:%d",
+ tval >> 7, (tval >> 6) & 0x02, (tval >> 3) & 0x07, tval & 0x07));
+
+ /*Print Priority Assignment Table*/
+ print_ets_priority_assignment_table(ndo, tptr + 5);
+
+ /*Print TC Bandwidth Table*/
+ print_tc_bandwidth_table(ndo, tptr + 9);
+
+ /* Print TSA Assignment Table */
+ print_tsa_assignment_table(ndo, tptr + 17);
+
+ break;
+
+ case LLDP_PRIVATE_8021_SUBTYPE_ETS_RECOMMENDATION:
+ if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_ETS_RECOMMENDATION_LENGTH) {
+ return hexdump;
+ }
+ ND_PRINT((ndo, "\n\t RES: %d", *(tptr + 4)));
+ /*Print Priority Assignment Table */
+ print_ets_priority_assignment_table(ndo, tptr + 5);
+ /*Print TC Bandwidth Table */
+ print_tc_bandwidth_table(ndo, tptr + 9);
+ /* Print TSA Assignment Table */
+ print_tsa_assignment_table(ndo, tptr + 17);
+ break;
+
+ case LLDP_PRIVATE_8021_SUBTYPE_PFC_CONFIGURATION:
+ if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_PFC_CONFIGURATION_LENGTH) {
+ return hexdump;
+ }
+ tval=*(tptr+4);
+ ND_PRINT((ndo, "\n\t Willing: %d, MBC: %d, RES: %d, PFC cap:%d ",
+ tval >> 7, (tval >> 6) & 0x01, (tval >> 4) & 0x03, (tval & 0x0f)));
+ ND_PRINT((ndo, "\n\t PFC Enable"));
+ tval=*(tptr+5);
+ ND_PRINT((ndo, "\n\t Priority : 0 1 2 3 4 5 6 7"));
+ ND_PRINT((ndo, "\n\t Value : "));
+ for(i=0;i<NO_OF_BITS;i++)
+ ND_PRINT((ndo, "%-2d ", (tval >> i) & 0x01));
+ break;
+
+ case LLDP_PRIVATE_8021_SUBTYPE_APPLICATION_PRIORITY:
+ if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_APPLICATION_PRIORITY_MIN_LENGTH) {
+ return hexdump;
+ }
+ ND_PRINT((ndo, "\n\t RES: %d", *(tptr + 4)));
+ if(tlv_len<=LLDP_PRIVATE_8021_SUBTYPE_APPLICATION_PRIORITY_MIN_LENGTH){
+ return hexdump;
+ }
+ /* Length of Application Priority Table */
+ sublen=tlv_len-5;
+ if(sublen%3!=0){
+ return hexdump;
+ }
+ i=0;
+ ND_PRINT((ndo, "\n\t Application Priority Table"));
+ while(i<sublen) {
+ tval=*(tptr+i+5);
+ ND_PRINT((ndo, "\n\t Priority: %d, RES: %d, Sel: %d",
+ tval >> 5, (tval >> 3) & 0x03, (tval & 0x07)));
+ ND_PRINT((ndo, "Protocol ID: %d", EXTRACT_16BITS(tptr + i + 5)));
+ i=i+3;
+ }
+ break;
+ case LLDP_PRIVATE_8021_SUBTYPE_EVB:
+ if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_EVB_LENGTH){
+ return hexdump;
+ }
+ ND_PRINT((ndo, "\n\t EVB Bridge Status"));
+ tval=*(tptr+4);
+ ND_PRINT((ndo, "\n\t RES: %d, BGID: %d, RRCAP: %d, RRCTR: %d",
+ tval >> 3, (tval >> 2) & 0x01, (tval >> 1) & 0x01, tval & 0x01));
+ ND_PRINT((ndo, "\n\t EVB Station Status"));
+ tval=*(tptr+5);
+ ND_PRINT((ndo, "\n\t RES: %d, SGID: %d, RRREQ: %d,RRSTAT: %d",
+ tval >> 4, (tval >> 3) & 0x01, (tval >> 2) & 0x01, tval & 0x03));
+ tval=*(tptr+6);
+ ND_PRINT((ndo, "\n\t R: %d, RTE: %d, ",tval >> 5, tval & 0x1f));
+ tval=*(tptr+7);
+ ND_PRINT((ndo, "EVB Mode: %s [%d]",
+ tok2str(lldp_evb_mode_values, "unknown", tval >> 6), tval >> 6));
+ ND_PRINT((ndo, "\n\t ROL: %d, RWD: %d, ", (tval >> 5) & 0x01, tval & 0x1f));
+ tval=*(tptr+8);
+ ND_PRINT((ndo, "RES: %d, ROL: %d, RKA: %d", tval >> 6, (tval >> 5) & 0x01, tval & 0x1f));
+ break;
+
+ case LLDP_PRIVATE_8021_SUBTYPE_CDCP:
+ if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_CDCP_MIN_LENGTH){
+ return hexdump;
+ }
+ tval=*(tptr+4);
+ ND_PRINT((ndo, "\n\t Role: %d, RES: %d, Scomp: %d ",
+ tval >> 7, (tval >> 4) & 0x07, (tval >> 3) & 0x01));
+ ND_PRINT((ndo, "ChnCap: %d", EXTRACT_16BITS(tptr + 6) & 0x0fff));
+ sublen=tlv_len-8;
+ if(sublen%3!=0) {
+ return hexdump;
+ }
+ i=0;
+ while(i<sublen) {
+ tval=EXTRACT_24BITS(tptr+i+8);
+ ND_PRINT((ndo, "\n\t SCID: %d, SVID: %d",
+ tval >> 12, tval & 0x000fff));
+ i=i+3;
+ }
+ break;
+
+ default:
+ hexdump = TRUE;
+ break;
+ }
+
+ return hexdump;
+}
+
projects / tcpdump / blobdiff