ovs-ofctl: New command "ofp-parse-pcap" to dump OpenFlow from PCAP files.
[cascardo/ovs.git] / utilities / ovs-ofctl.c
index 2b89755..9b02b25 100644 (file)
@@ -310,6 +310,7 @@ usage(void)
            "  dump-group-features SWITCH  print group features\n"
            "  dump-groups SWITCH          print group description\n"
            "  dump-group-stats SWITCH [GROUP]  print group statistics\n"
+           "  queue-get-config SWITCH PORT  print queue information for port\n"
            "  add-meter SWITCH METER      add meter described by METER\n"
            "  mod-meter SWITCH METER      modify specific METER\n"
            "  del-meter SWITCH METER      delete METER\n"
@@ -324,7 +325,8 @@ usage(void)
            "  benchmark TARGET N COUNT    bandwidth of COUNT N-byte echos\n"
            "SWITCH or TARGET is an active OpenFlow connection method.\n"
            "\nOther commands:\n"
-           "  ofp-parse FILE              print messages read from FILE\n",
+           "  ofp-parse FILE              print messages read from FILE\n"
+           "  ofp-parse-pcap PCAP         print OpenFlow read from PCAP\n",
            program_name, program_name);
     vconn_usage(true, false, false);
     daemon_usage();
@@ -1046,6 +1048,26 @@ ofctl_queue_stats(int argc, char *argv[])
     vconn_close(vconn);
 }
 
+static void
+ofctl_queue_get_config(int argc OVS_UNUSED, char *argv[])
+{
+    const char *vconn_name = argv[1];
+    const char *port_name = argv[2];
+    enum ofputil_protocol protocol;
+    enum ofp_version version;
+    struct ofpbuf *request;
+    struct vconn *vconn;
+    ofp_port_t port;
+
+    port = str_to_port_no(vconn_name, port_name);
+
+    protocol = open_vconn(vconn_name, &vconn);
+    version = ofputil_protocol_to_ofp_version(protocol);
+    request = ofputil_encode_queue_get_config_request(version, port);
+    dump_transaction(vconn, request);
+    vconn_close(vconn);
+}
+
 static enum ofputil_protocol
 open_vconn_for_flow_mod(const char *remote, struct vconn **vconnp,
                         enum ofputil_protocol usable_protocols)
@@ -1518,7 +1540,7 @@ ofctl_monitor(int argc, char *argv[])
         case OFP13_VERSION:
             break;
         default:
-            NOT_REACHED();
+            OVS_NOT_REACHED();
         }
     }
 
@@ -1580,7 +1602,7 @@ ofctl_packet_out(int argc, char *argv[])
     struct vconn *vconn;
     char *error;
     int i;
-    enum ofputil_protocol usable_protocols; /* TODO: Use in proto selection */
+    enum ofputil_protocol usable_protocols; /* XXX: Use in proto selection */
 
     ofpbuf_init(&ofpacts, 64);
     error = parse_ofpacts(argv[3], &ofpacts, &usable_protocols);
@@ -1784,7 +1806,7 @@ ofctl_ofp_parse(int argc OVS_UNUSED, char *argv[])
 
         length = ntohs(oh->length);
         if (length < sizeof *oh) {
-            ovs_fatal(0, "%s: %zu-byte message is too short for OpenFlow",
+            ovs_fatal(0, "%s: %"PRIuSIZE"-byte message is too short for OpenFlow",
                       filename, length);
         }
 
@@ -1804,6 +1826,92 @@ ofctl_ofp_parse(int argc OVS_UNUSED, char *argv[])
     }
 }
 
+static bool
+is_openflow_port(ovs_be16 port_, char *ports[])
+{
+    uint16_t port = ntohs(port_);
+    if (ports[0]) {
+        int i;
+
+        for (i = 0; ports[i]; i++) {
+            if (port == atoi(ports[i])) {
+                return true;
+            }
+        }
+        return false;
+    } else {
+        return port == OFP_PORT || port == OFP_OLD_PORT;
+    }
+}
+
+static void
+ofctl_ofp_parse_pcap(int argc OVS_UNUSED, char *argv[])
+{
+    struct tcp_reader *reader;
+    FILE *file;
+    int error;
+    bool first;
+
+    file = pcap_open(argv[1], "rb");
+    if (!file) {
+        ovs_fatal(errno, "%s: open failed", argv[1]);
+    }
+
+    reader = tcp_reader_open();
+    first = true;
+    for (;;) {
+        struct ofpbuf *packet;
+        long long int when;
+        struct flow flow;
+
+        error = pcap_read(file, &packet, &when);
+        if (error) {
+            break;
+        }
+        flow_extract(packet, 0, 0, NULL, NULL, &flow);
+        if (flow.dl_type == htons(ETH_TYPE_IP)
+            && flow.nw_proto == IPPROTO_TCP
+            && (is_openflow_port(flow.tp_src, argv + 2) ||
+                is_openflow_port(flow.tp_dst, argv + 2))) {
+            struct ofpbuf *payload = tcp_reader_run(reader, &flow, packet);
+            if (payload) {
+                while (payload->size >= sizeof(struct ofp_header)) {
+                    const struct ofp_header *oh;
+                    int length;
+
+                    /* Align OpenFlow on 8-byte boundary for safe access. */
+                    ofpbuf_shift(payload, -((intptr_t) payload->data & 7));
+
+                    oh = payload->data;
+                    length = ntohs(oh->length);
+                    if (payload->size < length) {
+                        break;
+                    }
+
+                    if (!first) {
+                        putchar('\n');
+                    }
+                    first = false;
+
+                    if (timestamp) {
+                        char *s = xastrftime_msec("%H:%M:%S.### ", when, true);
+                        fputs(s, stdout);
+                        free(s);
+                    }
+
+                    printf(IP_FMT".%"PRIu16" > "IP_FMT".%"PRIu16":\n",
+                           IP_ARGS(flow.nw_src), ntohs(flow.tp_src),
+                           IP_ARGS(flow.nw_dst), ntohs(flow.tp_dst));
+                    ofp_print(stdout, payload->data, length, verbosity + 1);
+                    ofpbuf_pull(payload, length);
+                }
+            }
+        }
+        ofpbuf_delete(packet);
+    }
+    tcp_reader_close(reader);
+}
+
 static void
 ofctl_ping(int argc, char *argv[])
 {
@@ -1814,7 +1922,7 @@ ofctl_ping(int argc, char *argv[])
 
     payload = argc > 2 ? atoi(argv[2]) : 64;
     if (payload > max_payload) {
-        ovs_fatal(0, "payload must be between 0 and %zu bytes", max_payload);
+        ovs_fatal(0, "payload must be between 0 and %"PRIuSIZE" bytes", max_payload);
     }
 
     open_vconn(argv[1], &vconn);
@@ -1842,7 +1950,7 @@ ofctl_ping(int argc, char *argv[])
             printf("Reply:\n");
             ofp_print(stdout, reply, reply->size, verbosity + 2);
         }
-        printf("%zu bytes from %s: xid=%08"PRIx32" time=%.1f ms\n",
+        printf("%"PRIuSIZE" bytes from %s: xid=%08"PRIx32" time=%.1f ms\n",
                reply->size, argv[1], ntohl(rpy_hdr->xid),
                    (1000*(double)(end.tv_sec - start.tv_sec))
                    + (.001*(end.tv_usec - start.tv_usec)));
@@ -1865,7 +1973,7 @@ ofctl_benchmark(int argc OVS_UNUSED, char *argv[])
 
     payload_size = atoi(argv[2]);
     if (payload_size > max_payload) {
-        ovs_fatal(0, "payload must be between 0 and %zu bytes", max_payload);
+        ovs_fatal(0, "payload must be between 0 and %"PRIuSIZE" bytes", max_payload);
     }
     message_size = sizeof(struct ofp_header) + payload_size;
 
@@ -2371,7 +2479,7 @@ ofctl_replace_flows(int argc OVS_UNUSED, char *argv[])
     struct vconn *vconn;
     struct fte *fte;
 
-    classifier_init(&cls);
+    classifier_init(&cls, NULL);
     usable_protocols = read_flows_from_file(argv[2], &cls, FILE_IDX);
 
     protocol = open_vconn(argv[1], &vconn);
@@ -2441,7 +2549,7 @@ ofctl_diff_flows(int argc OVS_UNUSED, char *argv[])
     struct ds a_s, b_s;
     struct fte *fte;
 
-    classifier_init(&cls);
+    classifier_init(&cls, NULL);
     read_flows_from_source(argv[1], &cls, 0);
     read_flows_from_source(argv[2], &cls, 1);
 
@@ -2745,15 +2853,15 @@ print_differences(const char *prefix,
 
     for (i = 0; i < MIN(a_len, b_len); i++) {
         if (a[i] != b[i]) {
-            printf("%s%2zu: %02"PRIx8" -> %02"PRIx8"\n",
+            printf("%s%2"PRIuSIZE": %02"PRIx8" -> %02"PRIx8"\n",
                    prefix, i, a[i], b[i]);
         }
     }
     for (i = a_len; i < b_len; i++) {
-        printf("%s%2zu: (none) -> %02"PRIx8"\n", prefix, i, b[i]);
+        printf("%s%2"PRIuSIZE": (none) -> %02"PRIx8"\n", prefix, i, b[i]);
     }
     for (i = b_len; i < a_len; i++) {
-        printf("%s%2zu: %02"PRIx8" -> (none)\n", prefix, i, a[i]);
+        printf("%s%2"PRIuSIZE": %02"PRIx8" -> (none)\n", prefix, i, a[i]);
     }
 }
 
@@ -2784,7 +2892,8 @@ ofctl_parse_ofp10_actions(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
         /* Convert to ofpacts. */
         ofpbuf_init(&ofpacts, 0);
         size = of10_in.size;
-        error = ofpacts_pull_openflow10(&of10_in, of10_in.size, &ofpacts);
+        error = ofpacts_pull_openflow_actions(&of10_in, of10_in.size,
+                                              OFP10_VERSION, &ofpacts);
         if (error) {
             printf("bad OF1.1 actions: %s\n\n", ofperr_get_name(error));
             ofpbuf_uninit(&ofpacts);
@@ -2802,7 +2911,8 @@ ofctl_parse_ofp10_actions(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
 
         /* Convert back to ofp10 actions and print differences from input. */
         ofpbuf_init(&of10_out, 0);
-        ofpacts_put_openflow10(ofpacts.data, ofpacts.size, &of10_out);
+        ofpacts_put_openflow_actions(ofpacts.data, ofpacts.size, &of10_out,
+                                     OFP10_VERSION);
 
         print_differences("", of10_in.data, of10_in.size,
                           of10_out.data, of10_out.size);
@@ -2852,7 +2962,7 @@ ofctl_parse_ofp10_match(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
             ovs_fatal(0, "Trailing garbage in hex data");
         }
         if (match_expout.size != sizeof(struct ofp10_match)) {
-            ovs_fatal(0, "Input is %zu bytes, expected %zu",
+            ovs_fatal(0, "Input is %"PRIuSIZE" bytes, expected %"PRIuSIZE,
                       match_expout.size, sizeof(struct ofp10_match));
         }
 
@@ -2867,7 +2977,7 @@ ofctl_parse_ofp10_match(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
             ovs_fatal(0, "Trailing garbage in hex data");
         }
         if (match_in.size != sizeof(struct ofp10_match)) {
-            ovs_fatal(0, "Input is %zu bytes, expected %zu",
+            ovs_fatal(0, "Input is %"PRIuSIZE" bytes, expected %"PRIuSIZE,
                       match_in.size, sizeof(struct ofp10_match));
         }
 
@@ -2916,7 +3026,7 @@ ofctl_parse_ofp11_match(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
             ovs_fatal(0, "Trailing garbage in hex data");
         }
         if (match_in.size != sizeof(struct ofp11_match)) {
-            ovs_fatal(0, "Input is %zu bytes, expected %zu",
+            ovs_fatal(0, "Input is %"PRIuSIZE" bytes, expected %"PRIuSIZE,
                       match_in.size, sizeof(struct ofp11_match));
         }
 
@@ -2970,8 +3080,8 @@ ofctl_parse_ofp11_actions(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
         /* Convert to ofpacts. */
         ofpbuf_init(&ofpacts, 0);
         size = of11_in.size;
-        error = ofpacts_pull_openflow11_actions(&of11_in, of11_in.size,
-                                                &ofpacts);
+        error = ofpacts_pull_openflow_actions(&of11_in, of11_in.size,
+                                              OFP11_VERSION, &ofpacts);
         if (error) {
             printf("bad OF1.1 actions: %s\n\n", ofperr_get_name(error));
             ofpbuf_uninit(&ofpacts);
@@ -2989,7 +3099,8 @@ ofctl_parse_ofp11_actions(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
 
         /* Convert back to ofp11 actions and print differences from input. */
         ofpbuf_init(&of11_out, 0);
-        ofpacts_put_openflow11_actions(ofpacts.data, ofpacts.size, &of11_out);
+        ofpacts_put_openflow_actions(ofpacts.data, ofpacts.size, &of11_out,
+                                     OFP11_VERSION);
 
         print_differences("", of11_in.data, of11_in.size,
                           of11_out.data, of11_out.size);
@@ -3039,14 +3150,16 @@ ofctl_parse_ofp11_instructions(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
         /* Convert to ofpacts. */
         ofpbuf_init(&ofpacts, 0);
         size = of11_in.size;
-        error = ofpacts_pull_openflow11_instructions(&of11_in, of11_in.size,
-                                                     &ofpacts);
+        error = ofpacts_pull_openflow_instructions(&of11_in, of11_in.size,
+                                                   OFP11_VERSION, &ofpacts);
         if (!error) {
-            /* Verify actions. */
+            /* Verify actions, enforce consistency. */
             struct flow flow;
             memset(&flow, 0, sizeof flow);
-            error = ofpacts_check(ofpacts.data, ofpacts.size, &flow, OFPP_MAX,
-                                  table_id ? atoi(table_id) : 0);
+            error = ofpacts_check_consistency(ofpacts.data, ofpacts.size,
+                                              &flow, OFPP_MAX,
+                                              table_id ? atoi(table_id) : 0,
+                                              255, OFPUTIL_P_OF11_STD);
         }
         if (error) {
             printf("bad OF1.1 instructions: %s\n\n", ofperr_get_name(error));
@@ -3066,8 +3179,8 @@ ofctl_parse_ofp11_instructions(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
         /* Convert back to ofp11 instructions and print differences from
          * input. */
         ofpbuf_init(&of11_out, 0);
-        ofpacts_put_openflow11_instructions(ofpacts.data, ofpacts.size,
-                                            &of11_out);
+        ofpacts_put_openflow_instructions(ofpacts.data, ofpacts.size,
+                                          &of11_out, OFP13_VERSION);
 
         print_differences("", of11_in.data, of11_in.size,
                           of11_out.data, of11_out.size);
@@ -3096,7 +3209,7 @@ ofctl_parse_pcap(int argc OVS_UNUSED, char *argv[])
         struct flow flow;
         int error;
 
-        error = pcap_read(pcap, &packet);
+        error = pcap_read(pcap, &packet, NULL);
         if (error == EOF) {
             break;
         } else if (error) {
@@ -3317,6 +3430,7 @@ static const struct command all_commands[] = {
     { "dump-flows", 1, 2, ofctl_dump_flows },
     { "dump-aggregate", 1, 2, ofctl_dump_aggregate },
     { "queue-stats", 1, 3, ofctl_queue_stats },
+    { "queue-get-config", 2, 2, ofctl_queue_get_config },
     { "add-flow", 2, 2, ofctl_add_flow },
     { "add-flows", 2, 2, ofctl_add_flows },
     { "mod-flows", 2, 2, ofctl_mod_flows },
@@ -3338,11 +3452,13 @@ static const struct command all_commands[] = {
     { "mod-table", 3, 3, ofctl_mod_table },
     { "get-frags", 1, 1, ofctl_get_frags },
     { "set-frags", 2, 2, ofctl_set_frags },
-    { "ofp-parse", 1, 1, ofctl_ofp_parse },
     { "probe", 1, 1, ofctl_probe },
     { "ping", 1, 2, ofctl_ping },
     { "benchmark", 3, 3, ofctl_benchmark },
 
+    { "ofp-parse", 1, 1, ofctl_ofp_parse },
+    { "ofp-parse-pcap", 1, INT_MAX, ofctl_ofp_parse_pcap },
+
     { "add-group", 1, 2, ofctl_add_group },
     { "add-groups", 1, 2, ofctl_add_groups },
     { "mod-group", 1, 2, ofctl_mod_group },