X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=utilities%2Fovs-openflowd.c;h=e84a3999cd4fd5f47f11242d325bd9eb7105ed11;hb=9d82ec478d52edfddd215dff1b0659ed7508b365;hp=011be3797127887c681fec9a8210295e0affe9b8;hpb=8abc4ed712a755b0454e41cccad3ad33fa167f15;p=openvswitch diff --git a/utilities/ovs-openflowd.c b/utilities/ovs-openflowd.c index 011be379..e84a3999 100644 --- a/utilities/ovs-openflowd.c +++ b/utilities/ovs-openflowd.c @@ -48,17 +48,11 @@ #include "vlog.h" #define THIS_MODULE VLM_openflowd -/* Behavior when the connection to the controller fails. */ -enum fail_mode { - FAIL_OPEN, /* Act as learning switch. */ - FAIL_CLOSED /* Drop all packets. */ -}; - /* Settings that may be configured by the user. */ struct ofsettings { - /* Overall mode of operation. */ - bool discovery; /* Discover the controller automatically? */ - bool in_band; /* Connect to controller in-band? */ + /* Controller configuration. */ + struct ofproto_controller *controllers; + size_t n_controllers; /* Datapath. */ uint64_t datapath_id; /* Datapath ID. */ @@ -71,26 +65,14 @@ struct ofsettings { const char *hw_desc; /* Hardware. */ const char *sw_desc; /* Software version. */ const char *serial_desc; /* Serial number. */ - const char *dp_desc; /* Serial number. */ + const char *dp_desc; /* Datapath description. */ /* Related vconns and network devices. */ - const char *controller_name; /* Controller (if not discovery mode). */ struct svec listeners; /* Listen for management connections. */ struct svec snoops; /* Listen for controller snooping conns. */ /* Failure behavior. */ - enum fail_mode fail_mode; /* Act as learning switch if no controller? */ int max_idle; /* Idle time for flows in fail-open mode. */ - int probe_interval; /* # seconds idle before sending echo request. */ - int max_backoff; /* Max # seconds between connection attempts. */ - - /* Packet-in rate-limiting. */ - int rate_limit; /* Tokens added to bucket per second. */ - int burst_limit; /* Maximum number token bucket size. */ - - /* Discovery behavior. */ - const char *accept_controller_re; /* Controller vconns to accept. */ - bool update_resolv_conf; /* Update /etc/resolv.conf? */ /* Spanning tree protocol. */ bool enable_stp; @@ -160,15 +142,6 @@ main(int argc, char *argv[]) if (error) { ovs_fatal(error, "could not initialize openflow switch"); } - error = ofproto_set_in_band(ofproto, s.in_band); - if (error) { - ovs_fatal(error, "failed to configure in-band control"); - } - error = ofproto_set_discovery(ofproto, s.discovery, s.accept_controller_re, - s.update_resolv_conf); - if (error) { - ovs_fatal(error, "failed to configure controller discovery"); - } if (s.datapath_id) { ofproto_set_datapath_id(ofproto, s.datapath_id); } @@ -195,20 +168,11 @@ main(int argc, char *argv[]) if (error) { ovs_fatal(error, "failed to configure NetFlow collectors"); } - ofproto_set_failure(ofproto, s.fail_mode == FAIL_OPEN); - ofproto_set_probe_interval(ofproto, s.probe_interval); - ofproto_set_max_backoff(ofproto, s.max_backoff); - ofproto_set_rate_limit(ofproto, s.rate_limit, s.burst_limit); error = ofproto_set_stp(ofproto, s.enable_stp); if (error) { ovs_fatal(error, "failed to configure STP"); } - if (!s.discovery) { - error = ofproto_set_controller(ofproto, s.controller_name); - if (error) { - ovs_fatal(error, "failed to configure controller"); - } - } + ofproto_set_controllers(ofproto, s.controllers, s.n_controllers); daemonize_complete(); @@ -240,10 +204,10 @@ parse_options(int argc, char *argv[], struct ofsettings *s) { enum { OPT_DATAPATH_ID = UCHAR_MAX + 1, - OPT_MANUFACTURER, - OPT_HARDWARE, - OPT_SOFTWARE, - OPT_SERIAL, + OPT_MFR_DESC, + OPT_HW_DESC, + OPT_SW_DESC, + OPT_SERIAL_DESC, OPT_DP_DESC, OPT_ACCEPT_VCONN, OPT_NO_RESOLV_CONF, @@ -261,18 +225,17 @@ parse_options(int argc, char *argv[], struct ofsettings *s) OPT_OUT_OF_BAND, OPT_IN_BAND, OPT_NETFLOW, - OPT_MGMT_ID, OPT_PORTS, VLOG_OPTION_ENUMS, LEAK_CHECKER_OPTION_ENUMS }; static struct option long_options[] = { {"datapath-id", required_argument, 0, OPT_DATAPATH_ID}, - {"manufacturer", required_argument, 0, OPT_MANUFACTURER}, - {"hardware", required_argument, 0, OPT_HARDWARE}, - {"software", required_argument, 0, OPT_SOFTWARE}, - {"serial", required_argument, 0, OPT_SERIAL}, - {"dp_desc", required_argument, 0, OPT_DP_DESC}, + {"mfr-desc", required_argument, 0, OPT_MFR_DESC}, + {"hw-desc", required_argument, 0, OPT_HW_DESC}, + {"sw-desc", required_argument, 0, OPT_SW_DESC}, + {"serial-desc", required_argument, 0, OPT_SERIAL_DESC}, + {"dp-desc", required_argument, 0, OPT_DP_DESC}, {"accept-vconn", required_argument, 0, OPT_ACCEPT_VCONN}, {"no-resolv-conf", no_argument, 0, OPT_NO_RESOLV_CONF}, {"config", required_argument, 0, 'F'}, @@ -304,8 +267,18 @@ parse_options(int argc, char *argv[], struct ofsettings *s) {0, 0, 0, 0}, }; char *short_options = long_options_to_short_options(long_options); + struct ofproto_controller controller_opts; /* Set defaults that we can figure out before parsing options. */ + controller_opts.target = NULL; + controller_opts.max_backoff = 8; + controller_opts.probe_interval = 5; + controller_opts.fail = OFPROTO_FAIL_STANDALONE; + controller_opts.band = OFPROTO_IN_BAND; + controller_opts.accept_re = NULL; + controller_opts.update_resolv_conf = true; + controller_opts.rate_limit = 0; + controller_opts.burst_limit = 0; s->datapath_id = 0; s->mfr_desc = NULL; s->hw_desc = NULL; @@ -314,16 +287,8 @@ parse_options(int argc, char *argv[], struct ofsettings *s) s->dp_desc = NULL; svec_init(&s->listeners); svec_init(&s->snoops); - s->fail_mode = FAIL_OPEN; s->max_idle = 0; - s->probe_interval = 0; - s->max_backoff = 8; - s->update_resolv_conf = true; - s->rate_limit = 0; - s->burst_limit = 0; - s->accept_controller_re = NULL; s->enable_stp = false; - s->in_band = true; svec_init(&s->netflow); svec_init(&s->ports); for (;;) { @@ -342,19 +307,19 @@ parse_options(int argc, char *argv[], struct ofsettings *s) } break; - case OPT_MANUFACTURER: + case OPT_MFR_DESC: s->mfr_desc = optarg; break; - case OPT_HARDWARE: + case OPT_HW_DESC: s->hw_desc = optarg; break; - case OPT_SOFTWARE: + case OPT_SW_DESC: s->sw_desc = optarg; break; - case OPT_SERIAL: + case OPT_SERIAL_DESC: s->serial_desc = optarg; break; @@ -363,26 +328,28 @@ parse_options(int argc, char *argv[], struct ofsettings *s) break; case OPT_ACCEPT_VCONN: - s->accept_controller_re = optarg; + controller_opts.accept_re = optarg; break; case OPT_NO_RESOLV_CONF: - s->update_resolv_conf = false; + controller_opts.update_resolv_conf = false; break; case OPT_FAIL_MODE: - if (!strcmp(optarg, "open")) { - s->fail_mode = FAIL_OPEN; - } else if (!strcmp(optarg, "closed")) { - s->fail_mode = FAIL_CLOSED; + if (!strcmp(optarg, "open") || !strcmp(optarg, "standalone")) { + controller_opts.fail = OFPROTO_FAIL_STANDALONE; + } else if (!strcmp(optarg, "closed") + || !strcmp(optarg, "secure")) { + controller_opts.fail = OFPROTO_FAIL_SECURE; } else { - ovs_fatal(0, "--fail argument must be \"open\" or \"closed\""); + ovs_fatal(0, "--fail argument must be \"standalone\" " + "or \"secure\""); } break; case OPT_INACTIVITY_PROBE: - s->probe_interval = atoi(optarg); - if (s->probe_interval < 5) { + controller_opts.probe_interval = atoi(optarg); + if (controller_opts.probe_interval < 5) { ovs_fatal(0, "--inactivity-probe argument must be at least 5"); } break; @@ -400,28 +367,28 @@ parse_options(int argc, char *argv[], struct ofsettings *s) break; case OPT_MAX_BACKOFF: - s->max_backoff = atoi(optarg); - if (s->max_backoff < 1) { + controller_opts.max_backoff = atoi(optarg); + if (controller_opts.max_backoff < 1) { ovs_fatal(0, "--max-backoff argument must be at least 1"); - } else if (s->max_backoff > 3600) { - s->max_backoff = 3600; + } else if (controller_opts.max_backoff > 3600) { + controller_opts.max_backoff = 3600; } break; case OPT_RATE_LIMIT: if (optarg) { - s->rate_limit = atoi(optarg); - if (s->rate_limit < 1) { + controller_opts.rate_limit = atoi(optarg); + if (controller_opts.rate_limit < 1) { ovs_fatal(0, "--rate-limit argument must be at least 1"); } } else { - s->rate_limit = 1000; + controller_opts.rate_limit = 1000; } break; case OPT_BURST_LIMIT: - s->burst_limit = atoi(optarg); - if (s->burst_limit < 1) { + controller_opts.burst_limit = atoi(optarg); + if (controller_opts.burst_limit < 1) { ovs_fatal(0, "--burst-limit argument must be at least 1"); } break; @@ -435,11 +402,11 @@ parse_options(int argc, char *argv[], struct ofsettings *s) break; case OPT_OUT_OF_BAND: - s->in_band = false; + controller_opts.band = OFPROTO_OUT_OF_BAND; break; case OPT_IN_BAND: - s->in_band = true; + controller_opts.band = OFPROTO_IN_BAND; break; case OPT_NETFLOW: @@ -495,26 +462,46 @@ parse_options(int argc, char *argv[], struct ofsettings *s) "use --help for usage"); } - /* Local and remote vconns. */ - dp_parse_name(argv[0], &s->dp_name, &s->dp_type); - - s->controller_name = argc > 1 ? xstrdup(argv[1]) : NULL; - /* Set accept_controller_regex. */ - if (!s->accept_controller_re) { - s->accept_controller_re + if (!controller_opts.accept_re) { + controller_opts.accept_re = stream_ssl_is_configured() ? "^ssl:.*" : "^tcp:.*"; } - /* Mode of operation. */ - s->discovery = s->controller_name == NULL; - if (s->discovery && !s->in_band) { - ovs_fatal(0, "Cannot perform discovery with out-of-band control"); + /* Rate limiting. */ + if (controller_opts.rate_limit && controller_opts.rate_limit < 100) { + VLOG_WARN("Rate limit set to unusually low value %d", + controller_opts.rate_limit); } - /* Rate limiting. */ - if (s->rate_limit && s->rate_limit < 100) { - VLOG_WARN("Rate limit set to unusually low value %d", s->rate_limit); + /* Local vconns. */ + dp_parse_name(argv[0], &s->dp_name, &s->dp_type); + + /* Controllers. */ + s->n_controllers = argc > 1 ? argc - 1 : 1; + s->controllers = xmalloc(s->n_controllers * sizeof *s->controllers); + if (argc > 1) { + size_t i; + + for (i = 0; i < s->n_controllers; i++) { + s->controllers[i] = controller_opts; + s->controllers[i].target = argv[i + 1]; + } + } else { + s->controllers[0] = controller_opts; + s->controllers[0].target = "discover"; + } + + /* Sanity check. */ + if (controller_opts.band == OFPROTO_OUT_OF_BAND) { + size_t i; + + for (i = 0; i < s->n_controllers; i++) { + if (!strcmp(s->controllers[i].target, "discover")) { + ovs_fatal(0, "Cannot perform discovery with out-of-band " + "control"); + } + } } } @@ -522,20 +509,20 @@ static void usage(void) { printf("%s: an OpenFlow switch implementation.\n" - "usage: %s [OPTIONS] DATAPATH [CONTROLLER]\n" + "usage: %s [OPTIONS] DATAPATH [CONTROLLER...]\n" "DATAPATH is a local datapath (e.g. \"dp0\").\n" - "CONTROLLER is an active OpenFlow connection method; if it is\n" - "omitted, then ovs-openflowd performs controller discovery.\n", + "Each CONTROLLER is an active OpenFlow connection method. If\n" + "none is given, ovs-openflowd performs controller discovery.\n", program_name, program_name); vconn_usage(true, true, true); printf("\nOpenFlow options:\n" " -d, --datapath-id=ID Use ID as the OpenFlow switch ID\n" " (ID must consist of 16 hex digits)\n" - " --manufacturer=MFR Identify manufacturer as MFR\n" - " --hardware=HW Identify hardware as HW\n" - " --software=SW Identify software as SW\n" - " --serial=SERIAL Identify serial number as SERIAL\n" - " --dp_desc=DP_DESC Identify dp description as DP_DESC\n" + " --mfr-desc=MFR Identify manufacturer as MFR\n" + " --hw-desc=HW Identify hardware as HW\n" + " --sw-desc=SW Identify software as SW\n" + " --serial-desc=SERIAL Identify serial number as SERIAL\n" + " --dp-desc=DP_DESC Identify dp description as DP_DESC\n" "\nController discovery options:\n" " --accept-vconn=REGEX accept matching discovered controllers\n" " --no-resolv-conf do not update /etc/resolv.conf\n"