Remove unused label.

[tcpdump] / print-ether.c

diff --git a/print-ether.c b/print-ether.c
index c9d27d444eeeea2e32905931fb4b4cd2a309e994..4dd253ac621d31dbfca3010b282f5c2187716ac0 100644 (file)
--- a/print-ether.c
+++ b/print-ether.c
@@ -57,6 +57,7 @@ const struct tok ethertype_values[] = {
     { ETHERTYPE_8021Q9100,     "802.1Q-9100" },
     { ETHERTYPE_8021QinQ,      "802.1Q-QinQ" },
     { ETHERTYPE_8021Q9200,     "802.1Q-9200" },
+    { ETHERTYPE_MACSEC,                "802.1AE MACsec" },
     { ETHERTYPE_VMAN,          "VMAN" },
     { ETHERTYPE_PUP,            "PUP" },
     { ETHERTYPE_ARP,            "ARP"},
@@ -100,6 +101,7 @@ const struct tok ethertype_values[] = {
     { ETHERTYPE_GEONET,         "GeoNet"},
     { ETHERTYPE_CALM_FAST,      "CALM FAST"},
     { ETHERTYPE_AOE,            "AoE" },
+    { ETHERTYPE_PTP,            "PTP" },
     { ETHERTYPE_ARISTA,         "Arista Vendor Specific Protocol" },
     { 0, NULL}
 };
@@ -132,7 +134,7 @@ ether_type_print(netdissect_options *ndo, uint16_t type)
  * printing Ethernet header information (such as a LANE ID for ATM LANE).
  */
 static u_int
-ether_print_common(netdissect_options *ndo, const u_char *p, u_int length,
+ether_common_print(netdissect_options *ndo, const u_char *p, u_int length,
     u_int caplen,
     void (*print_switch_tag)(netdissect_options *ndo, const u_char *),
     u_int switch_tag_len,
@@ -202,6 +204,22 @@ recurse:
        p += 2;
        hdrlen += 2;
 
+       if (length_type == ETHERTYPE_MACSEC) {
+               /*
+                * MACsec, aka IEEE 802.1AE-2006
+                * Print the header, and try to print the payload if it's not encrypted
+                */
+               int ret = macsec_print(ndo, &p, &length, &caplen, &hdrlen, &length_type);
+
+               if (ret == 0) {
+                       /* Payload is encrypted; just quit. */
+                       return (hdrlen + caplen);
+               } else if (ret > 0) {
+                       /* Problem printing the header; just quit. */
+                       return (ret);
+               }
+       }
+
        /*
         * Process VLAN tag types.
         */
@@ -374,12 +392,12 @@ recurse:
  * FIXME: caplen can and should be derived from ndo->ndo_snapend and p.
  */
 u_int
-ether_print_switch_tag(netdissect_options *ndo, const u_char *p, u_int length,
+ether_switch_tag_print(netdissect_options *ndo, const u_char *p, u_int length,
     u_int caplen,
     void (*print_switch_tag)(netdissect_options *, const u_char *),
     u_int switch_tag_len)
 {
-       return (ether_print_common(ndo, p, length, caplen, print_switch_tag,
+       return (ether_common_print(ndo, p, length, caplen, print_switch_tag,
                                   switch_tag_len, NULL, NULL));
 }
 
@@ -398,8 +416,8 @@ ether_print(netdissect_options *ndo,
            const u_char *encap_header_arg)
 {
        ndo->ndo_protocol = "ether";
-       return (ether_print_common(ndo, p, length, caplen, NULL, 0,
-                                   print_encap_header, encap_header_arg));
+       return (ether_common_print(ndo, p, length, caplen, NULL, 0,
+                                  print_encap_header, encap_header_arg));
 }
 
 /*
@@ -600,6 +618,10 @@ ethertype_print(netdissect_options *ndo,
                aoe_print(ndo, p, length);
                return (1);
 
+       case ETHERTYPE_PTP:
+               ptp_print(ndo, p, length);
+               return (1);
+
        case ETHERTYPE_LAT:
        case ETHERTYPE_SCA:
        case ETHERTYPE_MOPRC: