]> The Tcpdump Group git mirrors - tcpdump/blobdiff - print-openflow-1.0.c
Restore the possibility of building when remote is enabled in libpcap
[tcpdump] / print-openflow-1.0.c
index 61057aad368efaca9103fcf69b409fcb9a32bb44..82a4f0ba0c82d8b660356b4f3d29faa13498265a 100644 (file)
@@ -318,7 +318,6 @@ static const struct tok ofp_capabilities_bm[] = {
 #define OFPC_FRAG_NORMAL 0x0000U
 #define OFPC_FRAG_DROP   0x0001U
 #define OFPC_FRAG_REASM  0x0002U
-#define OFPC_FRAG_MASK   0x0003U
 static const struct tok ofp_config_str[] = {
        { OFPC_FRAG_NORMAL, "FRAG_NORMAL" },
        { OFPC_FRAG_DROP,   "FRAG_DROP"   },
@@ -1018,7 +1017,18 @@ of10_packet_data_print(netdissect_options *ndo,
        }
        ndo->ndo_vflag -= 3;
        ND_PRINT(", frame decoding below\n");
+       /*
+        * The encapsulated Ethernet frame is not necessarily the last
+        * data of this packet (i.e. there may be more OpenFlow messages
+        * after the current OFPT_PACKET_IN/OFPT_PACKET_OUT message, in
+        * which case the current (outer) packet's snapshot end is not
+        * what ether_print() needs to decode an Ethernet frame nested in
+        * the middle of a TCP payload.
+        */
+       const u_char *snapend_save = ndo->ndo_snapend;
+       ndo->ndo_snapend = ND_MIN(cp + len, ndo->ndo_snapend);
        ether_print(ndo, cp, len, ND_BYTES_AVAILABLE_AFTER(cp), NULL, NULL);
+       ndo->ndo_snapend = snapend_save;
        ndo->ndo_vflag += 3;
 }
 
@@ -1542,15 +1552,15 @@ of10_port_mod_print(netdissect_options *ndo,
        ND_PRINT(", hw_addr %s", GET_ETHERADDR_STRING(cp));
        cp += MAC_ADDR_LEN;
        /* config */
-       ND_PRINT("\n\t config 0x%08x", GET_BE_U_4(cp));
+       ND_PRINT("\n\t  config 0x%08x", GET_BE_U_4(cp));
        of_bitmap_print(ndo, ofppc_bm, GET_BE_U_4(cp), OFPPC_U);
        cp += 4;
        /* mask */
-       ND_PRINT("\n\t mask 0x%08x", GET_BE_U_4(cp));
+       ND_PRINT("\n\t  mask 0x%08x", GET_BE_U_4(cp));
        of_bitmap_print(ndo, ofppc_bm, GET_BE_U_4(cp), OFPPC_U);
        cp += 4;
        /* advertise */
-       ND_PRINT("\n\t advertise 0x%08x", GET_BE_U_4(cp));
+       ND_PRINT("\n\t  advertise 0x%08x", GET_BE_U_4(cp));
        of_bitmap_print(ndo, ofppf_bm, GET_BE_U_4(cp), OFPPF_U);
        cp += 4;
        /* pad */