/*
- * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
*/
#include <config.h>
+#include <ctype.h>
#include <errno.h>
#include <getopt.h>
#include <inttypes.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
-#include <sys/fcntl.h>
+#include <fcntl.h>
#include <sys/stat.h>
#include <sys/time.h>
#include "compiler.h"
#include "dirs.h"
#include "dynamic-string.h"
-#include "netlink.h"
+#include "fatal-signal.h"
#include "nx-match.h"
#include "odp-util.h"
+#include "ofp-actions.h"
#include "ofp-errors.h"
+#include "ofp-msgs.h"
#include "ofp-parse.h"
#include "ofp-print.h"
#include "ofp-util.h"
+#include "ofp-version-opt.h"
#include "ofpbuf.h"
#include "ofproto/ofproto.h"
#include "openflow/nicira-ext.h"
#include "openflow/openflow.h"
+#include "dp-packet.h"
#include "packets.h"
+#include "pcap-file.h"
#include "poll-loop.h"
#include "random.h"
#include "stream-ssl.h"
+#include "socket-util.h"
#include "timeval.h"
#include "unixctl.h"
#include "util.h"
-#include "vconn.h"
-#include "vlog.h"
+#include "openvswitch/vconn.h"
+#include "openvswitch/vlog.h"
+#include "meta-flow.h"
+#include "sort.h"
VLOG_DEFINE_THIS_MODULE(ofctl);
+/* --bundle: Use OpenFlow 1.4 bundle for making the flow table change atomic.
+ * NOTE: Also the flow mod will use OpenFlow 1.4, so the semantics may be
+ * different (see the comment in parse_options() for details).
+ */
+static bool bundle = false;
+
/* --strict: Use strict matching for flow mod commands? Additionally governs
* use of nx_pull_match() instead of nx_pull_match_loose() in parse-nx-match.
*/
* "snoop" command? */
static bool timestamp;
-static const struct command all_commands[];
+/* --unixctl-path: Path to use for unixctl server, for "monitor" and "snoop"
+ commands. */
+static char *unixctl_path;
+
+/* --sort, --rsort: Sort order. */
+enum sort_order { SORT_ASC, SORT_DESC };
+struct sort_criterion {
+ const struct mf_field *field; /* NULL means to sort by priority. */
+ enum sort_order order;
+};
+static struct sort_criterion *criteria;
+static size_t n_criteria, allocated_criteria;
+
+static const struct ovs_cmdl_command *get_all_commands(void);
-static void usage(void) NO_RETURN;
+OVS_NO_RETURN static void usage(void);
static void parse_options(int argc, char *argv[]);
+static bool recv_flow_stats_reply(struct vconn *, ovs_be32 send_xid,
+ struct ofpbuf **replyp,
+ struct ofputil_flow_stats *,
+ struct ofpbuf *ofpacts);
int
main(int argc, char *argv[])
{
+ struct ovs_cmdl_context ctx = { .argc = 0, };
set_program_name(argv[0]);
+ service_start(&argc, &argv);
parse_options(argc, argv);
- signal(SIGPIPE, SIG_IGN);
- run_command(argc - optind, argv + optind, all_commands);
+ fatal_ignore_sigpipe();
+ ctx.argc = argc - optind;
+ ctx.argv = argv + optind;
+
+ daemon_become_new_user(false);
+ ovs_cmdl_run_command(&ctx, get_all_commands());
return 0;
}
+static void
+add_sort_criterion(enum sort_order order, const char *field)
+{
+ struct sort_criterion *sc;
+
+ if (n_criteria >= allocated_criteria) {
+ criteria = x2nrealloc(criteria, &allocated_criteria, sizeof *criteria);
+ }
+
+ sc = &criteria[n_criteria++];
+ if (!field || !strcasecmp(field, "priority")) {
+ sc->field = NULL;
+ } else {
+ sc->field = mf_from_name(field);
+ if (!sc->field) {
+ ovs_fatal(0, "%s: unknown field name", field);
+ }
+ }
+ sc->order = order;
+}
+
static void
parse_options(int argc, char *argv[])
{
OPT_STRICT = UCHAR_MAX + 1,
OPT_READD,
OPT_TIMESTAMP,
+ OPT_SORT,
+ OPT_RSORT,
+ OPT_UNIXCTL,
+ OPT_BUNDLE,
DAEMON_OPTION_ENUMS,
+ OFP_VERSION_OPTION_ENUMS,
VLOG_OPTION_ENUMS
};
- static struct option long_options[] = {
+ static const struct option long_options[] = {
{"timeout", required_argument, NULL, 't'},
{"strict", no_argument, NULL, OPT_STRICT},
{"readd", no_argument, NULL, OPT_READD},
{"packet-in-format", required_argument, NULL, 'P'},
{"more", no_argument, NULL, 'm'},
{"timestamp", no_argument, NULL, OPT_TIMESTAMP},
+ {"sort", optional_argument, NULL, OPT_SORT},
+ {"rsort", optional_argument, NULL, OPT_RSORT},
+ {"unixctl", required_argument, NULL, OPT_UNIXCTL},
{"help", no_argument, NULL, 'h'},
- {"version", no_argument, NULL, 'V'},
+ {"option", no_argument, NULL, 'o'},
+ {"bundle", no_argument, NULL, OPT_BUNDLE},
DAEMON_LONG_OPTIONS,
+ OFP_VERSION_LONG_OPTIONS,
VLOG_LONG_OPTIONS,
STREAM_SSL_LONG_OPTIONS,
{NULL, 0, NULL, 0},
};
- char *short_options = long_options_to_short_options(long_options);
+ char *short_options = ovs_cmdl_long_options_to_short_options(long_options);
+ uint32_t versions;
+ enum ofputil_protocol version_protocols;
+
+ /* For now, ovs-ofctl only enables OpenFlow 1.0 by default. This is
+ * because ovs-ofctl implements command such as "add-flow" as raw OpenFlow
+ * requests, but those requests have subtly different semantics in
+ * different OpenFlow versions. For example:
+ *
+ * - In OpenFlow 1.0, a "mod-flow" operation that does not find any
+ * existing flow to modify adds a new flow.
+ *
+ * - In OpenFlow 1.1, a "mod-flow" operation that does not find any
+ * existing flow to modify adds a new flow, but only if the mod-flow
+ * did not match on the flow cookie.
+ *
+ * - In OpenFlow 1.2 and a later, a "mod-flow" operation never adds a
+ * new flow.
+ */
+ set_allowed_ofp_versions("OpenFlow10");
for (;;) {
unsigned long int timeout;
case 'h':
usage();
- case 'V':
- ovs_print_version(OFP_VERSION, OFP_VERSION);
+ case 'o':
+ ovs_cmdl_print_options(long_options);
exit(EXIT_SUCCESS);
+ case OPT_BUNDLE:
+ bundle = true;
+ break;
+
case OPT_STRICT:
strict = true;
break;
timestamp = true;
break;
+ case OPT_SORT:
+ add_sort_criterion(SORT_ASC, optarg);
+ break;
+
+ case OPT_RSORT:
+ add_sort_criterion(SORT_DESC, optarg);
+ break;
+
+ case OPT_UNIXCTL:
+ unixctl_path = optarg;
+ break;
+
DAEMON_OPTION_HANDLERS
+ OFP_VERSION_OPTION_HANDLERS
VLOG_OPTION_HANDLERS
STREAM_SSL_OPTION_HANDLERS
abort();
}
}
+
+ if (n_criteria) {
+ /* Always do a final sort pass based on priority. */
+ add_sort_criterion(SORT_DESC, "priority");
+ }
+
free(short_options);
+
+ /* Implicit OpenFlow 1.4 with the '--bundle' option. */
+ if (bundle) {
+ /* Add implicit allowance for OpenFlow 1.4. */
+ add_allowed_ofp_versions(ofputil_protocols_to_version_bitmap(
+ OFPUTIL_P_OF14_OXM));
+ /* Remove all prior versions. */
+ mask_allowed_ofp_versions(ofputil_protocols_to_version_bitmap(
+ OFPUTIL_P_OF14_UP));
+ }
+ versions = get_allowed_ofp_versions();
+ version_protocols = ofputil_protocols_from_version_bitmap(versions);
+ if (!(allowed_protocols & version_protocols)) {
+ char *protocols = ofputil_protocols_to_string(allowed_protocols);
+ struct ds version_s = DS_EMPTY_INITIALIZER;
+
+ ofputil_format_version_bitmap_names(&version_s, versions);
+ ovs_fatal(0, "None of the enabled OpenFlow versions (%s) supports "
+ "any of the enabled flow formats (%s). (Use -O to enable "
+ "additional OpenFlow versions or -F to enable additional "
+ "flow formats.)", ds_cstr(&version_s), protocols);
+ }
+ allowed_protocols &= version_protocols;
+ mask_allowed_ofp_versions(ofputil_protocols_to_version_bitmap(
+ allowed_protocols));
}
static void
" show SWITCH show OpenFlow information\n"
" dump-desc SWITCH print switch description\n"
" dump-tables SWITCH print table stats\n"
+ " dump-table-features SWITCH print table features\n"
+ " dump-table-desc SWITCH print table description (OF1.4+)\n"
" mod-port SWITCH IFACE ACT modify port behavior\n"
+ " mod-table SWITCH MOD modify flow table behavior\n"
+ " OF1.1/1.2 MOD: controller, continue, drop\n"
+ " OF1.4+ MOD: evict, noevict, vacancy:low,high, novacancy\n"
" get-frags SWITCH print fragment handling behavior\n"
" set-frags SWITCH FRAG_MODE set fragment handling behavior\n"
+ " FRAG_MODE: normal, drop, reassemble, nx-match\n"
" dump-ports SWITCH [PORT] print port statistics\n"
+ " dump-ports-desc SWITCH [PORT] print port descriptions\n"
" dump-flows SWITCH print all flow entries\n"
" dump-flows SWITCH FLOW print matching FLOWs\n"
" dump-aggregate SWITCH print aggregate flow statistics\n"
" diff-flows SOURCE1 SOURCE2 compare flows from two sources\n"
" packet-out SWITCH IN_PORT ACTIONS PACKET...\n"
" execute ACTIONS on PACKET\n"
- " monitor SWITCH [MISSLEN] [invalid_ttl]\n"
+ " monitor SWITCH [MISSLEN] [invalid_ttl] [watch:[...]]\n"
" print packets received from SWITCH\n"
" snoop SWITCH snoop on SWITCH and its controller\n"
+ " add-group SWITCH GROUP add group described by GROUP\n"
+ " add-groups SWITCH FILE add group from FILE\n"
+ " mod-group SWITCH GROUP modify specific group\n"
+ " del-groups SWITCH [GROUP] delete matching GROUPs\n"
+ " insert-buckets SWITCH [GROUP] add buckets to GROUP\n"
+ " remove-buckets SWITCH [GROUP] remove buckets from GROUP\n"
+ " dump-group-features SWITCH print group features\n"
+ " dump-groups SWITCH [GROUP] print group description\n"
+ " dump-group-stats SWITCH [GROUP] print group statistics\n"
+ " queue-get-config SWITCH [PORT] print queue config 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"
+ " del-meters SWITCH delete all meters\n"
+ " dump-meter SWITCH METER print METER configuration\n"
+ " dump-meters SWITCH print all meter configuration\n"
+ " meter-stats SWITCH [METER] print meter statistics\n"
+ " meter-features SWITCH print meter features\n"
+ " add-tlv-map SWITCH MAP add TLV option MAPpings\n"
+ " del-tlv-map SWITCH [MAP] delete TLV option MAPpings\n"
+ " dump-tlv-map SWITCH print TLV option mappings\n"
"\nFor OpenFlow switches and controllers:\n"
" probe TARGET probe whether TARGET is up\n"
" ping TARGET [N] latency of N-byte echos\n"
" benchmark TARGET N COUNT bandwidth of COUNT N-byte echos\n"
- "where SWITCH or TARGET is an active OpenFlow connection method.\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-pcap PCAP print OpenFlow read from PCAP\n",
program_name, program_name);
vconn_usage(true, false, false);
daemon_usage();
+ ofp_version_usage();
vlog_usage();
printf("\nOther options:\n"
" --strict use strict match for flow commands\n"
" -m, --more be more verbose printing OpenFlow\n"
" --timestamp (monitor, snoop) print timestamps\n"
" -t, --timeout=SECS give up after SECS seconds\n"
+ " --sort[=field] sort in ascending order\n"
+ " --rsort[=field] sort in descending order\n"
+ " --unixctl=SOCKET set control socket name\n"
" -h, --help display this help message\n"
" -V, --version display version information\n");
exit(EXIT_SUCCESS);
}
static void run(int retval, const char *message, ...)
- PRINTF_FORMAT(2, 3);
+ OVS_PRINTF_FORMAT(2, 3);
-static void run(int retval, const char *message, ...)
+static void
+run(int retval, const char *message, ...)
{
if (retval) {
va_list args;
\f
/* Generic commands. */
-static void
+static int
open_vconn_socket(const char *name, struct vconn **vconnp)
{
char *vconn_name = xasprintf("unix:%s", name);
- VLOG_DBG("connecting to %s", vconn_name);
- run(vconn_open_block(vconn_name, OFP_VERSION, vconnp),
- "connecting to %s", vconn_name);
+ int error;
+
+ error = vconn_open(vconn_name, get_allowed_ofp_versions(), DSCP_DEFAULT,
+ vconnp);
+ if (error && error != ENOENT) {
+ ovs_fatal(0, "%s: failed to open socket (%s)", name,
+ ovs_strerror(error));
+ }
free(vconn_name);
+
+ return error;
}
+enum open_target { MGMT, SNOOP };
+
static enum ofputil_protocol
-open_vconn__(const char *name, const char *default_suffix,
+open_vconn__(const char *name, enum open_target target,
struct vconn **vconnp)
{
+ const char *suffix = target == MGMT ? "mgmt" : "snoop";
char *datapath_name, *datapath_type, *socket_name;
enum ofputil_protocol protocol;
char *bridge_path;
int ofp_version;
- struct stat s;
+ int error;
- bridge_path = xasprintf("%s/%s.%s", ovs_rundir(), name, default_suffix);
+ bridge_path = xasprintf("%s/%s.%s", ovs_rundir(), name, suffix);
ofproto_parse_name(name, &datapath_name, &datapath_type);
- socket_name = xasprintf("%s/%s.%s",
- ovs_rundir(), datapath_name, default_suffix);
+ socket_name = xasprintf("%s/%s.%s", ovs_rundir(), datapath_name, suffix);
free(datapath_name);
free(datapath_type);
if (strchr(name, ':')) {
- run(vconn_open_block(name, OFP_VERSION, vconnp),
+ run(vconn_open(name, get_allowed_ofp_versions(), DSCP_DEFAULT, vconnp),
"connecting to %s", name);
- } else if (!stat(name, &s) && S_ISSOCK(s.st_mode)) {
- open_vconn_socket(name, vconnp);
- } else if (!stat(bridge_path, &s) && S_ISSOCK(s.st_mode)) {
- open_vconn_socket(bridge_path, vconnp);
- } else if (!stat(socket_name, &s)) {
- if (!S_ISSOCK(s.st_mode)) {
- ovs_fatal(0, "cannot connect to %s: %s is not a socket",
- name, socket_name);
- }
- open_vconn_socket(socket_name, vconnp);
+ } else if (!open_vconn_socket(name, vconnp)) {
+ /* Fall Through. */
+ } else if (!open_vconn_socket(bridge_path, vconnp)) {
+ /* Fall Through. */
+ } else if (!open_vconn_socket(socket_name, vconnp)) {
+ /* Fall Through. */
} else {
ovs_fatal(0, "%s is not a bridge or a socket", name);
}
+ if (target == SNOOP) {
+ vconn_set_recv_any_version(*vconnp);
+ }
+
free(bridge_path);
free(socket_name);
+ VLOG_DBG("connecting to %s", vconn_get_name(*vconnp));
+ error = vconn_connect_block(*vconnp);
+ if (error) {
+ ovs_fatal(0, "%s: failed to connect to socket (%s)", name,
+ ovs_strerror(error));
+ }
+
ofp_version = vconn_get_version(*vconnp);
protocol = ofputil_protocol_from_ofp_version(ofp_version);
if (!protocol) {
static enum ofputil_protocol
open_vconn(const char *name, struct vconn **vconnp)
{
- return open_vconn__(name, "mgmt", vconnp);
-}
-
-static void *
-alloc_stats_request(size_t rq_len, uint16_t type, struct ofpbuf **bufferp)
-{
- struct ofp_stats_msg *rq;
-
- rq = make_openflow(rq_len, OFPT_STATS_REQUEST, bufferp);
- rq->type = htons(type);
- rq->flags = htons(0);
- return rq;
+ return open_vconn__(name, MGMT, vconnp);
}
static void
send_openflow_buffer(struct vconn *vconn, struct ofpbuf *buffer)
{
- update_openflow_length(buffer);
run(vconn_send_block(vconn, buffer), "failed to send packet to switch");
}
static void
-dump_transaction(const char *vconn_name, struct ofpbuf *request)
-{
- struct vconn *vconn;
- struct ofpbuf *reply;
+dump_transaction(struct vconn *vconn, struct ofpbuf *request)
+{
+ const struct ofp_header *oh = request->data;
+ if (ofpmsg_is_stat_request(oh)) {
+ ovs_be32 send_xid = oh->xid;
+ enum ofpraw request_raw;
+ enum ofpraw reply_raw;
+ bool done = false;
+
+ ofpraw_decode_partial(&request_raw, request->data, request->size);
+ reply_raw = ofpraw_stats_request_to_reply(request_raw, oh->version);
+
+ send_openflow_buffer(vconn, request);
+ while (!done) {
+ ovs_be32 recv_xid;
+ struct ofpbuf *reply;
+
+ run(vconn_recv_block(vconn, &reply),
+ "OpenFlow packet receive failed");
+ recv_xid = ((struct ofp_header *) reply->data)->xid;
+ if (send_xid == recv_xid) {
+ enum ofpraw raw;
+
+ ofp_print(stdout, reply->data, reply->size, verbosity + 1);
+
+ ofpraw_decode(&raw, reply->data);
+ if (ofptype_from_ofpraw(raw) == OFPTYPE_ERROR) {
+ done = true;
+ } else if (raw == reply_raw) {
+ done = !ofpmp_more(reply->data);
+ } else {
+ ovs_fatal(0, "received bad reply: %s",
+ ofp_to_string(reply->data, reply->size,
+ verbosity + 1));
+ }
+ } else {
+ VLOG_DBG("received reply with xid %08"PRIx32" "
+ "!= expected %08"PRIx32, recv_xid, send_xid);
+ }
+ ofpbuf_delete(reply);
+ }
+ } else {
+ struct ofpbuf *reply;
- update_openflow_length(request);
- open_vconn(vconn_name, &vconn);
- run(vconn_transact(vconn, request, &reply), "talking to %s", vconn_name);
- ofp_print(stdout, reply->data, reply->size, verbosity + 1);
- vconn_close(vconn);
+ run(vconn_transact(vconn, request, &reply), "talking to %s",
+ vconn_get_name(vconn));
+ ofp_print(stdout, reply->data, reply->size, verbosity + 1);
+ ofpbuf_delete(reply);
+ }
}
static void
-dump_trivial_transaction(const char *vconn_name, uint8_t request_type)
+dump_trivial_transaction(const char *vconn_name, enum ofpraw raw)
{
struct ofpbuf *request;
- make_openflow(sizeof(struct ofp_header), request_type, &request);
- dump_transaction(vconn_name, request);
-}
-
-static void
-dump_stats_transaction(const char *vconn_name, struct ofpbuf *request)
-{
- ovs_be32 send_xid = ((struct ofp_header *) request->data)->xid;
struct vconn *vconn;
- bool done = false;
open_vconn(vconn_name, &vconn);
- send_openflow_buffer(vconn, request);
- while (!done) {
- ovs_be32 recv_xid;
- struct ofpbuf *reply;
-
- run(vconn_recv_block(vconn, &reply), "OpenFlow packet receive failed");
- recv_xid = ((struct ofp_header *) reply->data)->xid;
- if (send_xid == recv_xid) {
- struct ofp_stats_msg *osm;
-
- ofp_print(stdout, reply->data, reply->size, verbosity + 1);
-
- osm = ofpbuf_at(reply, 0, sizeof *osm);
- done = !osm || !(ntohs(osm->flags) & OFPSF_REPLY_MORE);
- } else {
- VLOG_DBG("received reply with xid %08"PRIx32" "
- "!= expected %08"PRIx32, recv_xid, send_xid);
- }
- ofpbuf_delete(reply);
- }
+ request = ofpraw_alloc(raw, vconn_get_version(vconn), 0);
+ dump_transaction(vconn, request);
vconn_close(vconn);
}
-static void
-dump_trivial_stats_transaction(const char *vconn_name, uint8_t stats_type)
-{
- struct ofpbuf *request;
- alloc_stats_request(sizeof(struct ofp_stats_msg), stats_type, &request);
- dump_stats_transaction(vconn_name, request);
-}
-
-/* Sends 'request', which should be a request that only has a reply if an error
- * occurs, and waits for it to succeed or fail. If an error does occur, prints
- * it and exits with an error.
+/* Sends all of the 'requests', which should be requests that only have replies
+ * if an error occurs, and waits for them to succeed or fail. If an error does
+ * occur, prints it and exits with an error.
*
* Destroys all of the 'requests'. */
static void
-transact_multiple_noreply(struct vconn *vconn, struct list *requests)
+transact_multiple_noreply(struct vconn *vconn, struct ovs_list *requests)
{
- struct ofpbuf *request, *reply;
-
- LIST_FOR_EACH (request, list_node, requests) {
- update_openflow_length(request);
- }
+ struct ofpbuf *reply;
run(vconn_transact_multiple_noreply(vconn, requests, &reply),
"talking to %s", vconn_get_name(vconn));
ofpbuf_delete(reply);
}
+static void
+bundle_error_reporter(const struct ofp_header *oh)
+{
+ ofp_print(stderr, oh, ntohs(oh->length), verbosity + 1);
+ fflush(stderr);
+}
+
+static void
+bundle_transact(struct vconn *vconn, struct ovs_list *requests, uint16_t flags)
+{
+ run(vconn_bundle_transact(vconn, requests, flags, bundle_error_reporter),
+ "talking to %s", vconn_get_name(vconn));
+}
+
/* Sends 'request', which should be a request that only has a reply if an error
* occurs, and waits for it to succeed or fail. If an error does occur, prints
* it and exits with an error.
static void
transact_noreply(struct vconn *vconn, struct ofpbuf *request)
{
- struct list requests;
+ struct ovs_list requests;
list_init(&requests);
list_push_back(&requests, &request->list_node);
}
static void
-fetch_switch_config(struct vconn *vconn, struct ofp_switch_config *config_)
+fetch_switch_config(struct vconn *vconn, struct ofputil_switch_config *config)
{
- struct ofp_switch_config *config;
- struct ofp_header *header;
struct ofpbuf *request;
struct ofpbuf *reply;
+ enum ofptype type;
- make_openflow(sizeof(struct ofp_header), OFPT_GET_CONFIG_REQUEST,
- &request);
+ request = ofpraw_alloc(OFPRAW_OFPT_GET_CONFIG_REQUEST,
+ vconn_get_version(vconn), 0);
run(vconn_transact(vconn, request, &reply),
"talking to %s", vconn_get_name(vconn));
- header = reply->data;
- if (header->type != OFPT_GET_CONFIG_REPLY ||
- header->length != htons(sizeof *config)) {
+ if (ofptype_decode(&type, reply->data)
+ || type != OFPTYPE_GET_CONFIG_REPLY) {
ovs_fatal(0, "%s: bad reply to config request", vconn_get_name(vconn));
}
+ ofputil_decode_get_config_reply(reply->data, config);
+ ofpbuf_delete(reply);
+}
+
+static void
+set_switch_config(struct vconn *vconn,
+ const struct ofputil_switch_config *config)
+{
+ enum ofp_version version = vconn_get_version(vconn);
+ transact_noreply(vconn, ofputil_encode_set_config(config, version));
+}
+
+static void
+ofctl_show(struct ovs_cmdl_context *ctx)
+{
+ const char *vconn_name = ctx->argv[1];
+ enum ofp_version version;
+ struct vconn *vconn;
+ struct ofpbuf *request;
+ struct ofpbuf *reply;
+ bool has_ports;
- config = reply->data;
- *config_ = *config;
+ open_vconn(vconn_name, &vconn);
+ version = vconn_get_version(vconn);
+ request = ofpraw_alloc(OFPRAW_OFPT_FEATURES_REQUEST, version, 0);
+ run(vconn_transact(vconn, request, &reply), "talking to %s", vconn_name);
+ has_ports = ofputil_switch_features_has_ports(reply);
+ ofp_print(stdout, reply->data, reply->size, verbosity + 1);
ofpbuf_delete(reply);
+
+ if (!has_ports) {
+ request = ofputil_encode_port_desc_stats_request(version, OFPP_ANY);
+ dump_transaction(vconn, request);
+ }
+ dump_trivial_transaction(vconn_name, OFPRAW_OFPT_GET_CONFIG_REQUEST);
+ vconn_close(vconn);
+}
+
+static void
+ofctl_dump_desc(struct ovs_cmdl_context *ctx)
+{
+ dump_trivial_transaction(ctx->argv[1], OFPRAW_OFPST_DESC_REQUEST);
+}
+
+static void
+ofctl_dump_tables(struct ovs_cmdl_context *ctx)
+{
+ dump_trivial_transaction(ctx->argv[1], OFPRAW_OFPST_TABLE_REQUEST);
+}
+
+static void
+ofctl_dump_table_features(struct ovs_cmdl_context *ctx)
+{
+ struct ofpbuf *request;
+ struct vconn *vconn;
+
+ open_vconn(ctx->argv[1], &vconn);
+ request = ofputil_encode_table_features_request(vconn_get_version(vconn));
+
+ /* The following is similar to dump_trivial_transaction(), but it
+ * maintains the previous 'ofputil_table_features' from one stats reply
+ * message to the next, which allows duplication to be eliminated in the
+ * output across messages. Otherwise the output is much larger and harder
+ * to read, because only 17 or so ofputil_table_features elements fit in a
+ * single 64 kB OpenFlow message and therefore you get a ton of repetition
+ * (every 17th element is printed in full instead of abbreviated). */
+
+ const struct ofp_header *request_oh = request->data;
+ ovs_be32 send_xid = request_oh->xid;
+ bool done = false;
+
+ struct ofputil_table_features prev;
+ int n = 0;
+
+ send_openflow_buffer(vconn, request);
+ while (!done) {
+ ovs_be32 recv_xid;
+ struct ofpbuf *reply;
+
+ run(vconn_recv_block(vconn, &reply), "OpenFlow packet receive failed");
+ recv_xid = ((struct ofp_header *) reply->data)->xid;
+ if (send_xid == recv_xid) {
+ enum ofptype type;
+ enum ofperr error;
+ error = ofptype_decode(&type, reply->data);
+ if (error) {
+ ovs_fatal(0, "decode error: %s", ofperr_get_name(error));
+ } else if (type == OFPTYPE_ERROR) {
+ ofp_print(stdout, reply->data, reply->size, verbosity + 1);
+ done = true;
+ } else if (type == OFPTYPE_TABLE_FEATURES_STATS_REPLY) {
+ done = !ofpmp_more(reply->data);
+ for (;;) {
+ struct ofputil_table_features tf;
+ int retval;
+
+ retval = ofputil_decode_table_features(reply, &tf, true);
+ if (retval) {
+ if (retval != EOF) {
+ ovs_fatal(0, "decode error: %s",
+ ofperr_get_name(retval));
+ }
+ break;
+ }
+
+ struct ds s = DS_EMPTY_INITIALIZER;
+ ofp_print_table_features(&s, &tf, n ? &prev : NULL,
+ NULL, NULL);
+ puts(ds_cstr(&s));
+ ds_destroy(&s);
+
+ prev = tf;
+ n++;
+ }
+ } else {
+ ovs_fatal(0, "received bad reply: %s",
+ ofp_to_string(reply->data, reply->size,
+ verbosity + 1));
+ }
+ } else {
+ VLOG_DBG("received reply with xid %08"PRIx32" "
+ "!= expected %08"PRIx32, recv_xid, send_xid);
+ }
+ ofpbuf_delete(reply);
+ }
+
+ vconn_close(vconn);
}
static void
-set_switch_config(struct vconn *vconn, struct ofp_switch_config *config_)
+ofctl_dump_table_desc(struct ovs_cmdl_context *ctx)
{
- struct ofp_switch_config *config;
- struct ofp_header save_header;
struct ofpbuf *request;
+ struct vconn *vconn;
+
+ open_vconn(ctx->argv[1], &vconn);
+ request = ofputil_encode_table_desc_request(vconn_get_version(vconn));
+ if (request) {
+ dump_transaction(vconn, request);
+ }
- config = make_openflow(sizeof *config, OFPT_SET_CONFIG, &request);
- save_header = config->header;
- *config = *config_;
- config->header = save_header;
+ vconn_close(vconn);
+}
+
+
+static bool
+str_to_ofp(const char *s, ofp_port_t *ofp_port)
+{
+ bool ret;
+ uint32_t port_;
+
+ ret = str_to_uint(s, 10, &port_);
+ *ofp_port = u16_to_ofp(port_);
+ return ret;
+}
+
+struct port_iterator {
+ struct vconn *vconn;
+
+ enum { PI_FEATURES, PI_PORT_DESC } variant;
+ struct ofpbuf *reply;
+ ovs_be32 send_xid;
+ bool more;
+};
+
+static void
+port_iterator_fetch_port_desc(struct port_iterator *pi)
+{
+ pi->variant = PI_PORT_DESC;
+ pi->more = true;
- transact_noreply(vconn, request);
+ struct ofpbuf *rq = ofputil_encode_port_desc_stats_request(
+ vconn_get_version(pi->vconn), OFPP_ANY);
+ pi->send_xid = ((struct ofp_header *) rq->data)->xid;
+ send_openflow_buffer(pi->vconn, rq);
}
static void
-do_show(int argc OVS_UNUSED, char *argv[])
+port_iterator_fetch_features(struct port_iterator *pi)
{
- dump_trivial_transaction(argv[1], OFPT_FEATURES_REQUEST);
- dump_trivial_transaction(argv[1], OFPT_GET_CONFIG_REQUEST);
+ pi->variant = PI_FEATURES;
+
+ /* Fetch the switch's ofp_switch_features. */
+ enum ofp_version version = vconn_get_version(pi->vconn);
+ struct ofpbuf *rq = ofpraw_alloc(OFPRAW_OFPT_FEATURES_REQUEST, version, 0);
+ run(vconn_transact(pi->vconn, rq, &pi->reply),
+ "talking to %s", vconn_get_name(pi->vconn));
+
+ const struct ofp_header *oh = pi->reply->data;
+ enum ofptype type;
+ if (ofptype_decode(&type, pi->reply->data)
+ || type != OFPTYPE_FEATURES_REPLY) {
+ ovs_fatal(0, "%s: received bad features reply",
+ vconn_get_name(pi->vconn));
+ }
+ if (!ofputil_switch_features_has_ports(pi->reply)) {
+ /* The switch features reply does not contain a complete list of ports.
+ * Probably, there are more ports than will fit into a single 64 kB
+ * OpenFlow message. Use OFPST_PORT_DESC to get a complete list of
+ * ports. */
+ ofpbuf_delete(pi->reply);
+ pi->reply = NULL;
+ port_iterator_fetch_port_desc(pi);
+ return;
+ }
+
+ struct ofputil_switch_features features;
+ enum ofperr error = ofputil_decode_switch_features(oh, &features,
+ pi->reply);
+ if (error) {
+ ovs_fatal(0, "%s: failed to decode features reply (%s)",
+ vconn_get_name(pi->vconn), ofperr_to_string(error));
+ }
}
+/* Initializes 'pi' to prepare for iterating through all of the ports on the
+ * OpenFlow switch to which 'vconn' is connected.
+ *
+ * During iteration, the client should not make other use of 'vconn', because
+ * that can cause other messages to be interleaved with the replies used by the
+ * iterator and thus some ports may be missed or a hang can occur. */
static void
-do_dump_desc(int argc OVS_UNUSED, char *argv[])
+port_iterator_init(struct port_iterator *pi, struct vconn *vconn)
+{
+ memset(pi, 0, sizeof *pi);
+ pi->vconn = vconn;
+ if (vconn_get_version(vconn) < OFP13_VERSION) {
+ port_iterator_fetch_features(pi);
+ } else {
+ port_iterator_fetch_port_desc(pi);
+ }
+}
+
+/* Obtains the next port from 'pi'. On success, initializes '*pp' with the
+ * port's details and returns true, otherwise (if all the ports have already
+ * been seen), returns false. */
+static bool
+port_iterator_next(struct port_iterator *pi, struct ofputil_phy_port *pp)
{
- dump_trivial_stats_transaction(argv[1], OFPST_DESC);
+ for (;;) {
+ if (pi->reply) {
+ int retval = ofputil_pull_phy_port(vconn_get_version(pi->vconn),
+ pi->reply, pp);
+ if (!retval) {
+ return true;
+ } else if (retval != EOF) {
+ ovs_fatal(0, "received bad reply: %s",
+ ofp_to_string(pi->reply->data, pi->reply->size,
+ verbosity + 1));
+ }
+ }
+
+ if (pi->variant == PI_FEATURES || !pi->more) {
+ return false;
+ }
+
+ ovs_be32 recv_xid;
+ do {
+ ofpbuf_delete(pi->reply);
+ run(vconn_recv_block(pi->vconn, &pi->reply),
+ "OpenFlow receive failed");
+ recv_xid = ((struct ofp_header *) pi->reply->data)->xid;
+ } while (pi->send_xid != recv_xid);
+
+ struct ofp_header *oh = pi->reply->data;
+ enum ofptype type;
+ if (ofptype_pull(&type, pi->reply)
+ || type != OFPTYPE_PORT_DESC_STATS_REPLY) {
+ ovs_fatal(0, "received bad reply: %s",
+ ofp_to_string(pi->reply->data, pi->reply->size,
+ verbosity + 1));
+ }
+
+ pi->more = (ofpmp_flags(oh) & OFPSF_REPLY_MORE) != 0;
+ }
}
+/* Destroys iterator 'pi'. */
static void
-do_dump_tables(int argc OVS_UNUSED, char *argv[])
+port_iterator_destroy(struct port_iterator *pi)
{
- dump_trivial_stats_transaction(argv[1], OFPST_TABLE);
+ if (pi) {
+ while (pi->variant == PI_PORT_DESC && pi->more) {
+ /* Drain vconn's queue of any other replies for this request. */
+ struct ofputil_phy_port pp;
+ port_iterator_next(pi, &pp);
+ }
+
+ ofpbuf_delete(pi->reply);
+ }
}
-/* Opens a connection to 'vconn_name', fetches the ofp_phy_port structure for
+/* Opens a connection to 'vconn_name', fetches the port structure for
* 'port_name' (which may be a port name or number), and copies it into
- * '*oppp'. */
+ * '*pp'. */
static void
-fetch_ofp_phy_port(const char *vconn_name, const char *port_name,
- struct ofp_phy_port *oppp)
+fetch_ofputil_phy_port(const char *vconn_name, const char *port_name,
+ struct ofputil_phy_port *pp)
{
- struct ofpbuf *request, *reply;
- struct ofp_switch_features *osf;
- unsigned int port_no;
struct vconn *vconn;
- int n_ports;
- int port_idx;
+ ofp_port_t port_no;
+ bool found = false;
/* Try to interpret the argument as a port number. */
- if (!str_to_uint(port_name, 10, &port_no)) {
- port_no = UINT_MAX;
+ if (!str_to_ofp(port_name, &port_no)) {
+ port_no = OFPP_NONE;
}
- /* Fetch the switch's ofp_switch_features. */
- make_openflow(sizeof(struct ofp_header), OFPT_FEATURES_REQUEST, &request);
+ /* OpenFlow 1.0, 1.1, and 1.2 put the list of ports in the
+ * OFPT_FEATURES_REPLY message. OpenFlow 1.3 and later versions put it
+ * into the OFPST_PORT_DESC reply. Try it the correct way. */
open_vconn(vconn_name, &vconn);
- run(vconn_transact(vconn, request, &reply), "talking to %s", vconn_name);
-
- osf = reply->data;
- if (reply->size < sizeof *osf) {
- ovs_fatal(0, "%s: received too-short features reply (only %zu bytes)",
- vconn_name, reply->size);
+ struct port_iterator pi;
+ for (port_iterator_init(&pi, vconn); port_iterator_next(&pi, pp); ) {
+ if (port_no != OFPP_NONE
+ ? port_no == pp->port_no
+ : !strcmp(pp->name, port_name)) {
+ found = true;
+ break;
+ }
}
- n_ports = (reply->size - sizeof *osf) / sizeof *osf->ports;
-
- for (port_idx = 0; port_idx < n_ports; port_idx++) {
- const struct ofp_phy_port *opp = &osf->ports[port_idx];
+ port_iterator_destroy(&pi);
+ vconn_close(vconn);
- if (port_no != UINT_MAX
- ? htons(port_no) == opp->port_no
- : !strncmp(opp->name, port_name, sizeof opp->name)) {
- *oppp = *opp;
- ofpbuf_delete(reply);
- vconn_close(vconn);
- return;
- }
+ if (!found) {
+ ovs_fatal(0, "%s: couldn't find port `%s'", vconn_name, port_name);
}
- ovs_fatal(0, "%s: couldn't find port `%s'", vconn_name, port_name);
}
/* Returns the port number corresponding to 'port_name' (which may be a port
* name or number) within the switch 'vconn_name'. */
-static uint16_t
+static ofp_port_t
str_to_port_no(const char *vconn_name, const char *port_name)
{
- unsigned int port_no;
+ ofp_port_t port_no;
- if (str_to_uint(port_name, 10, &port_no)) {
+ if (ofputil_port_from_string(port_name, &port_no)) {
return port_no;
} else {
- struct ofp_phy_port opp;
+ struct ofputil_phy_port pp;
- fetch_ofp_phy_port(vconn_name, port_name, &opp);
- return ntohs(opp.port_no);
+ fetch_ofputil_phy_port(vconn_name, port_name, &pp);
+ return pp.port_no;
}
}
request = ofputil_encode_set_protocol(*cur, want, &next);
if (!request) {
- return true;
+ return *cur == want;
}
run(vconn_transact_noreply(vconn, request, &reply),
}
}
-static void
-do_dump_flows__(int argc, char *argv[], bool aggregate)
+static struct vconn *
+prepare_dump_flows(int argc, char *argv[], bool aggregate,
+ struct ofpbuf **requestp)
{
enum ofputil_protocol usable_protocols, protocol;
struct ofputil_flow_stats_request fsr;
- struct ofpbuf *request;
struct vconn *vconn;
+ char *error;
- parse_ofp_flow_stats_request_str(&fsr, aggregate, argc > 2 ? argv[2] : "");
- usable_protocols = ofputil_flow_stats_request_usable_protocols(&fsr);
+ error = parse_ofp_flow_stats_request_str(&fsr, aggregate,
+ argc > 2 ? argv[2] : "",
+ &usable_protocols);
+ if (error) {
+ ovs_fatal(0, "%s", error);
+ }
protocol = open_vconn(argv[1], &vconn);
protocol = set_protocol_for_flow_dump(vconn, protocol, usable_protocols);
- request = ofputil_encode_flow_stats_request(&fsr, protocol);
- dump_stats_transaction(argv[1], request);
- vconn_close(vconn);
+ *requestp = ofputil_encode_flow_stats_request(&fsr, protocol);
+ return vconn;
}
static void
-do_dump_flows(int argc, char *argv[])
+ofctl_dump_flows__(int argc, char *argv[], bool aggregate)
{
- return do_dump_flows__(argc, argv, false);
-}
+ struct ofpbuf *request;
+ struct vconn *vconn;
-static void
-do_dump_aggregate(int argc, char *argv[])
-{
- return do_dump_flows__(argc, argv, true);
+ vconn = prepare_dump_flows(argc, argv, aggregate, &request);
+ dump_transaction(vconn, request);
+ vconn_close(vconn);
}
-static void
-do_queue_stats(int argc, char *argv[])
-{
- struct ofp_queue_stats_request *req;
- struct ofpbuf *request;
+static int
+compare_flows(const void *afs_, const void *bfs_)
+{
+ const struct ofputil_flow_stats *afs = afs_;
+ const struct ofputil_flow_stats *bfs = bfs_;
+ const struct match *a = &afs->match;
+ const struct match *b = &bfs->match;
+ const struct sort_criterion *sc;
+
+ for (sc = criteria; sc < &criteria[n_criteria]; sc++) {
+ const struct mf_field *f = sc->field;
+ int ret;
+
+ if (!f) {
+ int a_pri = afs->priority;
+ int b_pri = bfs->priority;
+ ret = a_pri < b_pri ? -1 : a_pri > b_pri;
+ } else {
+ bool ina, inb;
+
+ ina = mf_are_prereqs_ok(f, &a->flow) && !mf_is_all_wild(f, &a->wc);
+ inb = mf_are_prereqs_ok(f, &b->flow) && !mf_is_all_wild(f, &b->wc);
+ if (ina != inb) {
+ /* Skip the test for sc->order, so that missing fields always
+ * sort to the end whether we're sorting in ascending or
+ * descending order. */
+ return ina ? -1 : 1;
+ } else {
+ union mf_value aval, bval;
- req = alloc_stats_request(sizeof *req, OFPST_QUEUE, &request);
+ mf_get_value(f, &a->flow, &aval);
+ mf_get_value(f, &b->flow, &bval);
+ ret = memcmp(&aval, &bval, f->n_bytes);
+ }
+ }
- if (argc > 2 && argv[2][0] && strcasecmp(argv[2], "all")) {
- req->port_no = htons(str_to_port_no(argv[1], argv[2]));
- } else {
- req->port_no = htons(OFPP_ALL);
+ if (ret) {
+ return sc->order == SORT_ASC ? ret : -ret;
+ }
}
- if (argc > 3 && argv[3][0] && strcasecmp(argv[3], "all")) {
- req->queue_id = htonl(atoi(argv[3]));
- } else {
- req->queue_id = htonl(OFPQ_ALL);
+
+ return 0;
+}
+
+static void
+ofctl_dump_flows(struct ovs_cmdl_context *ctx)
+{
+ if (!n_criteria) {
+ ofctl_dump_flows__(ctx->argc, ctx->argv, false);
+ return;
+ } else {
+ struct ofputil_flow_stats *fses;
+ size_t n_fses, allocated_fses;
+ struct ofpbuf *request;
+ struct ofpbuf ofpacts;
+ struct ofpbuf *reply;
+ struct vconn *vconn;
+ ovs_be32 send_xid;
+ struct ds s;
+ size_t i;
+
+ vconn = prepare_dump_flows(ctx->argc, ctx->argv, false, &request);
+ send_xid = ((struct ofp_header *) request->data)->xid;
+ send_openflow_buffer(vconn, request);
+
+ fses = NULL;
+ n_fses = allocated_fses = 0;
+ reply = NULL;
+ ofpbuf_init(&ofpacts, 0);
+ for (;;) {
+ struct ofputil_flow_stats *fs;
+
+ if (n_fses >= allocated_fses) {
+ fses = x2nrealloc(fses, &allocated_fses, sizeof *fses);
+ }
+
+ fs = &fses[n_fses];
+ if (!recv_flow_stats_reply(vconn, send_xid, &reply, fs,
+ &ofpacts)) {
+ break;
+ }
+ fs->ofpacts = xmemdup(fs->ofpacts, fs->ofpacts_len);
+ n_fses++;
+ }
+ ofpbuf_uninit(&ofpacts);
+
+ qsort(fses, n_fses, sizeof *fses, compare_flows);
+
+ ds_init(&s);
+ for (i = 0; i < n_fses; i++) {
+ ds_clear(&s);
+ ofp_print_flow_stats(&s, &fses[i]);
+ puts(ds_cstr(&s));
+ }
+ ds_destroy(&s);
+
+ for (i = 0; i < n_fses; i++) {
+ free(CONST_CAST(struct ofpact *, fses[i].ofpacts));
+ }
+ free(fses);
+
+ vconn_close(vconn);
+ }
+}
+
+static void
+ofctl_dump_aggregate(struct ovs_cmdl_context *ctx)
+{
+ ofctl_dump_flows__(ctx->argc, ctx->argv, true);
+}
+
+static void
+ofctl_queue_stats(struct ovs_cmdl_context *ctx)
+{
+ struct ofpbuf *request;
+ struct vconn *vconn;
+ struct ofputil_queue_stats_request oqs;
+
+ open_vconn(ctx->argv[1], &vconn);
+
+ if (ctx->argc > 2 && ctx->argv[2][0] && strcasecmp(ctx->argv[2], "all")) {
+ oqs.port_no = str_to_port_no(ctx->argv[1], ctx->argv[2]);
+ } else {
+ oqs.port_no = OFPP_ANY;
+ }
+ if (ctx->argc > 3 && ctx->argv[3][0] && strcasecmp(ctx->argv[3], "all")) {
+ oqs.queue_id = atoi(ctx->argv[3]);
+ } else {
+ oqs.queue_id = OFPQ_ALL;
}
- memset(req->pad, 0, sizeof req->pad);
+ request = ofputil_encode_queue_stats_request(vconn_get_version(vconn), &oqs);
+ dump_transaction(vconn, request);
+ vconn_close(vconn);
+}
+
+static void
+ofctl_queue_get_config(struct ovs_cmdl_context *ctx)
+{
+ const char *vconn_name = ctx->argv[1];
+ const char *port_name = ctx->argc > 2 ? ctx->argv[2] : "any";
+ ofp_port_t port = str_to_port_no(vconn_name, port_name);
+ const char *queue_name = ctx->argc > 3 ? ctx->argv[3] : "all";
+ uint32_t queue = (!strcasecmp(queue_name, "all")
+ ? OFPQ_ALL
+ : atoi(queue_name));
+ struct vconn *vconn;
- dump_stats_transaction(argv[1], request);
+ enum ofputil_protocol protocol = open_vconn(vconn_name, &vconn);
+ enum ofp_version version = ofputil_protocol_to_ofp_version(protocol);
+ if (port == OFPP_ANY && version == OFP10_VERSION) {
+ /* The user requested all queues on all ports. OpenFlow 1.0 only
+ * supports getting queues for an individual port, so to implement the
+ * user's request we have to get a list of all the ports.
+ *
+ * We use a second vconn to avoid having to accumulate a list of all of
+ * the ports. */
+ struct vconn *vconn2;
+ enum ofputil_protocol protocol2 = open_vconn(vconn_name, &vconn2);
+ enum ofp_version version2 = ofputil_protocol_to_ofp_version(protocol2);
+
+ struct port_iterator pi;
+ struct ofputil_phy_port pp;
+ for (port_iterator_init(&pi, vconn); port_iterator_next(&pi, &pp); ) {
+ if (ofp_to_u16(pp.port_no) < ofp_to_u16(OFPP_MAX)) {
+ dump_transaction(vconn2,
+ ofputil_encode_queue_get_config_request(
+ version2, pp.port_no, queue));
+ }
+ }
+ port_iterator_destroy(&pi);
+ vconn_close(vconn2);
+ } else {
+ dump_transaction(vconn, ofputil_encode_queue_get_config_request(
+ version, port, queue));
+ }
+ vconn_close(vconn);
}
static enum ofputil_protocol
-open_vconn_for_flow_mod(const char *remote,
- const struct ofputil_flow_mod *fms, size_t n_fms,
- struct vconn **vconnp)
+open_vconn_for_flow_mod(const char *remote, struct vconn **vconnp,
+ enum ofputil_protocol usable_protocols)
{
- enum ofputil_protocol usable_protocols;
enum ofputil_protocol cur_protocol;
char *usable_s;
int i;
- /* Figure out what flow formats will work. */
- usable_protocols = ofputil_flow_mod_usable_protocols(fms, n_fms);
if (!(usable_protocols & allowed_protocols)) {
char *allowed_s = ofputil_protocols_to_string(allowed_protocols);
usable_s = ofputil_protocols_to_string(usable_protocols);
}
static void
-do_flow_mod__(const char *remote, struct ofputil_flow_mod *fms, size_t n_fms)
+bundle_flow_mod__(const char *remote, struct ofputil_flow_mod *fms,
+ size_t n_fms, enum ofputil_protocol usable_protocols)
+{
+ enum ofputil_protocol protocol;
+ struct vconn *vconn;
+ struct ovs_list requests;
+ size_t i;
+
+ list_init(&requests);
+
+ /* Bundles need OpenFlow 1.4+. */
+ usable_protocols &= OFPUTIL_P_OF14_UP;
+ protocol = open_vconn_for_flow_mod(remote, &vconn, usable_protocols);
+
+ for (i = 0; i < n_fms; i++) {
+ struct ofputil_flow_mod *fm = &fms[i];
+ struct ofpbuf *request = ofputil_encode_flow_mod(fm, protocol);
+
+ list_push_back(&requests, &request->list_node);
+ free(CONST_CAST(struct ofpact *, fm->ofpacts));
+ }
+
+ bundle_transact(vconn, &requests, OFPBF_ORDERED | OFPBF_ATOMIC);
+ ofpbuf_list_delete(&requests);
+ vconn_close(vconn);
+}
+
+static void
+ofctl_flow_mod__(const char *remote, struct ofputil_flow_mod *fms,
+ size_t n_fms, enum ofputil_protocol usable_protocols)
{
enum ofputil_protocol protocol;
struct vconn *vconn;
size_t i;
- protocol = open_vconn_for_flow_mod(remote, fms, n_fms, &vconn);
+ if (bundle) {
+ bundle_flow_mod__(remote, fms, n_fms, usable_protocols);
+ return;
+ }
+
+ protocol = open_vconn_for_flow_mod(remote, &vconn, usable_protocols);
for (i = 0; i < n_fms; i++) {
struct ofputil_flow_mod *fm = &fms[i];
transact_noreply(vconn, ofputil_encode_flow_mod(fm, protocol));
- free(fm->actions);
+ free(CONST_CAST(struct ofpact *, fm->ofpacts));
}
vconn_close(vconn);
}
static void
-do_flow_mod_file(int argc OVS_UNUSED, char *argv[], uint16_t command)
+ofctl_flow_mod_file(int argc OVS_UNUSED, char *argv[], int command)
{
+ enum ofputil_protocol usable_protocols;
struct ofputil_flow_mod *fms = NULL;
size_t n_fms = 0;
+ char *error;
- parse_ofp_flow_mod_file(argv[2], command, &fms, &n_fms);
- do_flow_mod__(argv[1], fms, n_fms);
+ if (command == OFPFC_ADD) {
+ /* Allow the file to specify a mix of commands. If none specified at
+ * the beginning of any given line, then the default is OFPFC_ADD, so
+ * this is backwards compatible. */
+ command = -2;
+ }
+ error = parse_ofp_flow_mod_file(argv[2], command, &fms, &n_fms,
+ &usable_protocols);
+ if (error) {
+ ovs_fatal(0, "%s", error);
+ }
+ ofctl_flow_mod__(argv[1], fms, n_fms, usable_protocols);
free(fms);
}
static void
-do_flow_mod(int argc, char *argv[], uint16_t command)
+ofctl_flow_mod(int argc, char *argv[], uint16_t command)
{
if (argc > 2 && !strcmp(argv[2], "-")) {
- do_flow_mod_file(argc, argv, command);
+ ofctl_flow_mod_file(argc, argv, command);
} else {
struct ofputil_flow_mod fm;
- parse_ofp_flow_mod_str(&fm, argc > 2 ? argv[2] : "", command, false);
- do_flow_mod__(argv[1], &fm, 1);
+ char *error;
+ enum ofputil_protocol usable_protocols;
+
+ error = parse_ofp_flow_mod_str(&fm, argc > 2 ? argv[2] : "", command,
+ &usable_protocols);
+ if (error) {
+ ovs_fatal(0, "%s", error);
+ }
+ ofctl_flow_mod__(argv[1], &fm, 1, usable_protocols);
}
}
static void
-do_add_flow(int argc, char *argv[])
+ofctl_add_flow(struct ovs_cmdl_context *ctx)
{
- do_flow_mod(argc, argv, OFPFC_ADD);
+ ofctl_flow_mod(ctx->argc, ctx->argv, OFPFC_ADD);
}
static void
-do_add_flows(int argc, char *argv[])
+ofctl_add_flows(struct ovs_cmdl_context *ctx)
{
- do_flow_mod_file(argc, argv, OFPFC_ADD);
+ ofctl_flow_mod_file(ctx->argc, ctx->argv, OFPFC_ADD);
}
static void
-do_mod_flows(int argc, char *argv[])
+ofctl_mod_flows(struct ovs_cmdl_context *ctx)
{
- do_flow_mod(argc, argv, strict ? OFPFC_MODIFY_STRICT : OFPFC_MODIFY);
+ ofctl_flow_mod(ctx->argc, ctx->argv, strict ? OFPFC_MODIFY_STRICT : OFPFC_MODIFY);
}
static void
-do_del_flows(int argc, char *argv[])
+ofctl_del_flows(struct ovs_cmdl_context *ctx)
{
- do_flow_mod(argc, argv, strict ? OFPFC_DELETE_STRICT : OFPFC_DELETE);
+ ofctl_flow_mod(ctx->argc, ctx->argv, strict ? OFPFC_DELETE_STRICT : OFPFC_DELETE);
}
static void
set_packet_in_format(struct vconn *vconn,
enum nx_packet_in_format packet_in_format)
{
- struct ofpbuf *spif = ofputil_make_set_packet_in_format(packet_in_format);
+ struct ofpbuf *spif;
+
+ spif = ofputil_make_set_packet_in_format(vconn_get_version(vconn),
+ packet_in_format);
transact_noreply(vconn, spif);
VLOG_DBG("%s: using user-specified packet in format %s",
vconn_get_name(vconn),
static int
monitor_set_invalid_ttl_to_controller(struct vconn *vconn)
{
- struct ofp_switch_config config;
- enum ofp_config_flags flags;
+ struct ofputil_switch_config config;
fetch_switch_config(vconn, &config);
- flags = ntohs(config.flags);
- if (!(flags & OFPC_INVALID_TTL_TO_CONTROLLER)) {
- /* Set the invalid ttl config. */
- flags |= OFPC_INVALID_TTL_TO_CONTROLLER;
-
- config.flags = htons(flags);
+ if (!config.invalid_ttl_to_controller) {
+ config.invalid_ttl_to_controller = 1;
set_switch_config(vconn, &config);
/* Then retrieve the configuration to see if it really took. OpenFlow
- * doesn't define error reporting for bad modes, so this is all we can
- * do. */
+ * has ill-defined error reporting for bad flags, so this is about the
+ * best we can do. */
fetch_switch_config(vconn, &config);
- flags = ntohs(config.flags);
- if (!(flags & OFPC_INVALID_TTL_TO_CONTROLLER)) {
+ if (!config.invalid_ttl_to_controller) {
ovs_fatal(0, "setting invalid_ttl_to_controller failed (this "
- "switch probably doesn't support mode)");
- return -EOPNOTSUPP;
+ "switch probably doesn't support this flag)");
}
}
return 0;
error = vconn_send_block(vconn, msg);
if (error) {
ofpbuf_delete(msg);
- ds_put_format(&reply, "%s\n", strerror(error));
+ ds_put_format(&reply, "%s\n", ovs_strerror(error));
ok = false;
} else {
ds_put_cstr(&reply, "sent\n");
return;
}
- msg = ofputil_encode_barrier_request();
- fprintf(stderr, "send: ");
- ofp_print(stderr, msg->data, msg->size, verbosity);
-
+ msg = ofputil_encode_barrier_request(vconn_get_version(aux->vconn));
error = vconn_send_block(aux->vconn, msg);
if (error) {
ofpbuf_delete(msg);
- unixctl_command_reply_error(conn, strerror(error));
+ unixctl_command_reply_error(conn, ovs_strerror(error));
} else {
aux->conn = conn;
}
fd = open(argv[1], O_CREAT | O_TRUNC | O_WRONLY, 0666);
if (fd < 0) {
- unixctl_command_reply_error(conn, strerror(errno));
+ unixctl_command_reply_error(conn, ovs_strerror(errno));
return;
}
}
static void
-monitor_vconn(struct vconn *vconn)
+ofctl_block(struct unixctl_conn *conn, int argc OVS_UNUSED,
+ const char *argv[] OVS_UNUSED, void *blocked_)
+{
+ bool *blocked = blocked_;
+
+ if (!*blocked) {
+ *blocked = true;
+ unixctl_command_reply(conn, NULL);
+ } else {
+ unixctl_command_reply(conn, "already blocking");
+ }
+}
+
+static void
+ofctl_unblock(struct unixctl_conn *conn, int argc OVS_UNUSED,
+ const char *argv[] OVS_UNUSED, void *blocked_)
+{
+ bool *blocked = blocked_;
+
+ if (*blocked) {
+ *blocked = false;
+ unixctl_command_reply(conn, NULL);
+ } else {
+ unixctl_command_reply(conn, "already unblocked");
+ }
+}
+
+/* Prints to stdout all of the messages received on 'vconn'.
+ *
+ * Iff 'reply_to_echo_requests' is true, sends a reply to any echo request
+ * received on 'vconn'. */
+static void
+monitor_vconn(struct vconn *vconn, bool reply_to_echo_requests)
{
struct barrier_aux barrier_aux = { vconn, NULL };
struct unixctl_server *server;
bool exiting = false;
+ bool blocked = false;
int error;
daemon_save_fd(STDERR_FILENO);
- daemonize_start();
- error = unixctl_server_create(NULL, &server);
+ daemonize_start(false);
+ error = unixctl_server_create(unixctl_path, &server);
if (error) {
ovs_fatal(error, "failed to create unixctl server");
}
ofctl_barrier, &barrier_aux);
unixctl_command_register("ofctl/set-output-file", "FILE", 1, 1,
ofctl_set_output_file, NULL);
+
+ unixctl_command_register("ofctl/block", "", 0, 0, ofctl_block, &blocked);
+ unixctl_command_register("ofctl/unblock", "", 0, 0, ofctl_unblock,
+ &blocked);
+
daemonize_complete();
for (;;) {
unixctl_server_run(server);
- for (;;) {
- uint8_t msg_type;
+ while (!blocked) {
+ enum ofptype type;
retval = vconn_recv(vconn, &b);
if (retval == EAGAIN) {
run(retval, "vconn_recv");
if (timestamp) {
- time_t now = time_wall();
- char s[32];
-
- strftime(s, sizeof s, "%Y-%m-%d %H:%M:%S: ", localtime(&now));
+ char *s = xastrftime_msec("%Y-%m-%d %H:%M:%S.###: ",
+ time_wall_msec(), true);
fputs(s, stderr);
+ free(s);
}
- msg_type = ((const struct ofp_header *) b->data)->type;
+ ofptype_decode(&type, b->data);
ofp_print(stderr, b->data, b->size, verbosity + 2);
- ofpbuf_delete(b);
+ fflush(stderr);
+
+ switch ((int) type) {
+ case OFPTYPE_BARRIER_REPLY:
+ if (barrier_aux.conn) {
+ unixctl_command_reply(barrier_aux.conn, NULL);
+ barrier_aux.conn = NULL;
+ }
+ break;
- if (barrier_aux.conn && msg_type == OFPT_BARRIER_REPLY) {
- unixctl_command_reply(barrier_aux.conn, NULL);
- barrier_aux.conn = NULL;
+ case OFPTYPE_ECHO_REQUEST:
+ if (reply_to_echo_requests) {
+ struct ofpbuf *reply;
+
+ reply = make_echo_reply(b->data);
+ retval = vconn_send_block(vconn, reply);
+ if (retval) {
+ ovs_fatal(retval, "failed to send echo reply");
+ }
+ }
+ break;
}
+ ofpbuf_delete(b);
}
if (exiting) {
vconn_run(vconn);
vconn_run_wait(vconn);
- vconn_recv_wait(vconn);
+ if (!blocked) {
+ vconn_recv_wait(vconn);
+ }
unixctl_server_wait(server);
poll_block();
}
}
static void
-do_monitor(int argc, char *argv[])
+ofctl_monitor(struct ovs_cmdl_context *ctx)
{
struct vconn *vconn;
+ int i;
+ enum ofputil_protocol usable_protocols;
- open_vconn(argv[1], &vconn);
- if (argc > 2) {
- struct ofp_switch_config config;
-
- fetch_switch_config(vconn, &config);
- config.miss_send_len = htons(atoi(argv[2]));
- set_switch_config(vconn, &config);
+ /* If the user wants the invalid_ttl_to_controller feature, limit the
+ * OpenFlow versions to those that support that feature. (Support in
+ * OpenFlow 1.0 is an Open vSwitch extension.) */
+ for (i = 2; i < ctx->argc; i++) {
+ if (!strcmp(ctx->argv[i], "invalid_ttl")) {
+ uint32_t usable_versions = ((1u << OFP10_VERSION) |
+ (1u << OFP11_VERSION) |
+ (1u << OFP12_VERSION));
+ uint32_t allowed_versions = get_allowed_ofp_versions();
+ if (!(allowed_versions & usable_versions)) {
+ struct ds versions = DS_EMPTY_INITIALIZER;
+ ofputil_format_version_bitmap_names(&versions,
+ usable_versions);
+ ovs_fatal(0, "invalid_ttl requires one of the OpenFlow "
+ "versions %s but none is enabled (use -O)",
+ ds_cstr(&versions));
+ }
+ mask_allowed_ofp_versions(usable_versions);
+ break;
+ }
}
- if (argc > 3) {
- if (!strcmp(argv[3], "invalid_ttl")) {
+
+ open_vconn(ctx->argv[1], &vconn);
+ for (i = 2; i < ctx->argc; i++) {
+ const char *arg = ctx->argv[i];
+
+ if (isdigit((unsigned char) *arg)) {
+ struct ofputil_switch_config config;
+
+ fetch_switch_config(vconn, &config);
+ config.miss_send_len = atoi(arg);
+ set_switch_config(vconn, &config);
+ } else if (!strcmp(arg, "invalid_ttl")) {
monitor_set_invalid_ttl_to_controller(vconn);
+ } else if (!strncmp(arg, "watch:", 6)) {
+ struct ofputil_flow_monitor_request fmr;
+ struct ofpbuf *msg;
+ char *error;
+
+ error = parse_flow_monitor_request(&fmr, arg + 6,
+ &usable_protocols);
+ if (error) {
+ ovs_fatal(0, "%s", error);
+ }
+
+ msg = ofpbuf_new(0);
+ ofputil_append_flow_monitor_request(&fmr, msg);
+ dump_transaction(vconn, msg);
+ fflush(stdout);
+ } else {
+ ovs_fatal(0, "%s: unsupported \"monitor\" argument", arg);
}
}
+
if (preferred_packet_in_format >= 0) {
set_packet_in_format(vconn, preferred_packet_in_format);
} else {
- struct ofpbuf *spif, *reply;
-
- spif = ofputil_make_set_packet_in_format(NXPIF_NXM);
- run(vconn_transact_noreply(vconn, spif, &reply),
- "talking to %s", vconn_get_name(vconn));
- if (reply) {
- char *s = ofp_to_string(reply->data, reply->size, 2);
- VLOG_DBG("%s: failed to set packet in format to nxm, controller"
- " replied: %s. Falling back to the switch default.",
- vconn_get_name(vconn), s);
- free(s);
- ofpbuf_delete(reply);
+ enum ofp_version version = vconn_get_version(vconn);
+
+ switch (version) {
+ case OFP10_VERSION: {
+ struct ofpbuf *spif, *reply;
+
+ spif = ofputil_make_set_packet_in_format(vconn_get_version(vconn),
+ NXPIF_NXM);
+ run(vconn_transact_noreply(vconn, spif, &reply),
+ "talking to %s", vconn_get_name(vconn));
+ if (reply) {
+ char *s = ofp_to_string(reply->data, reply->size, 2);
+ VLOG_DBG("%s: failed to set packet in format to nxm, controller"
+ " replied: %s. Falling back to the switch default.",
+ vconn_get_name(vconn), s);
+ free(s);
+ ofpbuf_delete(reply);
+ }
+ break;
+ }
+ case OFP11_VERSION:
+ case OFP12_VERSION:
+ case OFP13_VERSION:
+ case OFP14_VERSION:
+ case OFP15_VERSION:
+ break;
+ default:
+ OVS_NOT_REACHED();
}
}
- monitor_vconn(vconn);
+ monitor_vconn(vconn, true);
+}
+
+static void
+ofctl_snoop(struct ovs_cmdl_context *ctx)
+{
+ struct vconn *vconn;
+
+ open_vconn__(ctx->argv[1], SNOOP, &vconn);
+ monitor_vconn(vconn, false);
}
static void
-do_snoop(int argc OVS_UNUSED, char *argv[])
+ofctl_dump_ports(struct ovs_cmdl_context *ctx)
{
+ struct ofpbuf *request;
struct vconn *vconn;
+ ofp_port_t port;
- open_vconn__(argv[1], "snoop", &vconn);
- monitor_vconn(vconn);
+ open_vconn(ctx->argv[1], &vconn);
+ port = ctx->argc > 2 ? str_to_port_no(ctx->argv[1], ctx->argv[2]) : OFPP_ANY;
+ request = ofputil_encode_dump_ports_request(vconn_get_version(vconn), port);
+ dump_transaction(vconn, request);
+ vconn_close(vconn);
}
static void
-do_dump_ports(int argc, char *argv[])
+ofctl_dump_ports_desc(struct ovs_cmdl_context *ctx)
{
- struct ofp_port_stats_request *req;
struct ofpbuf *request;
- uint16_t port;
+ struct vconn *vconn;
+ ofp_port_t port;
- req = alloc_stats_request(sizeof *req, OFPST_PORT, &request);
- port = argc > 2 ? str_to_port_no(argv[1], argv[2]) : OFPP_NONE;
- req->port_no = htons(port);
- dump_stats_transaction(argv[1], request);
+ open_vconn(ctx->argv[1], &vconn);
+ port = ctx->argc > 2 ? str_to_port_no(ctx->argv[1], ctx->argv[2]) : OFPP_ANY;
+ request = ofputil_encode_port_desc_stats_request(vconn_get_version(vconn),
+ port);
+ dump_transaction(vconn, request);
+ vconn_close(vconn);
}
static void
-do_probe(int argc OVS_UNUSED, char *argv[])
+ofctl_probe(struct ovs_cmdl_context *ctx)
{
struct ofpbuf *request;
struct vconn *vconn;
struct ofpbuf *reply;
- make_openflow(sizeof(struct ofp_header), OFPT_ECHO_REQUEST, &request);
- open_vconn(argv[1], &vconn);
- run(vconn_transact(vconn, request, &reply), "talking to %s", argv[1]);
+ open_vconn(ctx->argv[1], &vconn);
+ request = make_echo_request(vconn_get_version(vconn));
+ run(vconn_transact(vconn, request, &reply), "talking to %s", ctx->argv[1]);
if (reply->size != sizeof(struct ofp_header)) {
ovs_fatal(0, "reply does not match request");
}
}
static void
-do_packet_out(int argc, char *argv[])
+ofctl_packet_out(struct ovs_cmdl_context *ctx)
{
+ enum ofputil_protocol protocol;
struct ofputil_packet_out po;
- struct ofpbuf actions;
+ struct ofpbuf ofpacts;
struct vconn *vconn;
+ char *error;
int i;
+ enum ofputil_protocol usable_protocols; /* XXX: Use in proto selection */
- ofpbuf_init(&actions, sizeof(union ofp_action));
- parse_ofp_actions(argv[3], &actions);
+ ofpbuf_init(&ofpacts, 64);
+ error = ofpacts_parse_actions(ctx->argv[3], &ofpacts, &usable_protocols);
+ if (error) {
+ ovs_fatal(0, "%s", error);
+ }
po.buffer_id = UINT32_MAX;
- po.in_port = (!strcasecmp(argv[2], "none") ? OFPP_NONE
- : !strcasecmp(argv[2], "local") ? OFPP_LOCAL
- : str_to_port_no(argv[1], argv[2]));
- po.actions = actions.data;
- po.n_actions = actions.size / sizeof(union ofp_action);
-
- open_vconn(argv[1], &vconn);
- for (i = 4; i < argc; i++) {
- struct ofpbuf *packet, *opo;
+ po.in_port = str_to_port_no(ctx->argv[1], ctx->argv[2]);
+ po.ofpacts = ofpacts.data;
+ po.ofpacts_len = ofpacts.size;
+
+ protocol = open_vconn(ctx->argv[1], &vconn);
+ for (i = 4; i < ctx->argc; i++) {
+ struct dp_packet *packet;
+ struct ofpbuf *opo;
const char *error_msg;
- error_msg = eth_from_hex(argv[i], &packet);
+ error_msg = eth_from_hex(ctx->argv[i], &packet);
if (error_msg) {
ovs_fatal(0, "%s", error_msg);
}
- po.packet = packet->data;
- po.packet_len = packet->size;
- opo = ofputil_encode_packet_out(&po);
+ po.packet = dp_packet_data(packet);
+ po.packet_len = dp_packet_size(packet);
+ opo = ofputil_encode_packet_out(&po, protocol);
transact_noreply(vconn, opo);
- ofpbuf_delete(packet);
+ dp_packet_delete(packet);
+ }
+ vconn_close(vconn);
+ ofpbuf_uninit(&ofpacts);
+}
+
+static void
+ofctl_mod_port(struct ovs_cmdl_context *ctx)
+{
+ struct ofp_config_flag {
+ const char *name; /* The flag's name. */
+ enum ofputil_port_config bit; /* Bit to turn on or off. */
+ bool on; /* Value to set the bit to. */
+ };
+ static const struct ofp_config_flag flags[] = {
+ { "up", OFPUTIL_PC_PORT_DOWN, false },
+ { "down", OFPUTIL_PC_PORT_DOWN, true },
+ { "stp", OFPUTIL_PC_NO_STP, false },
+ { "receive", OFPUTIL_PC_NO_RECV, false },
+ { "receive-stp", OFPUTIL_PC_NO_RECV_STP, false },
+ { "flood", OFPUTIL_PC_NO_FLOOD, false },
+ { "forward", OFPUTIL_PC_NO_FWD, false },
+ { "packet-in", OFPUTIL_PC_NO_PACKET_IN, false },
+ };
+
+ const struct ofp_config_flag *flag;
+ enum ofputil_protocol protocol;
+ struct ofputil_port_mod pm;
+ struct ofputil_phy_port pp;
+ struct vconn *vconn;
+ const char *command;
+ bool not;
+
+ fetch_ofputil_phy_port(ctx->argv[1], ctx->argv[2], &pp);
+
+ pm.port_no = pp.port_no;
+ pm.hw_addr = pp.hw_addr;
+ pm.config = 0;
+ pm.mask = 0;
+ pm.advertise = 0;
+
+ if (!strncasecmp(ctx->argv[3], "no-", 3)) {
+ command = ctx->argv[3] + 3;
+ not = true;
+ } else if (!strncasecmp(ctx->argv[3], "no", 2)) {
+ command = ctx->argv[3] + 2;
+ not = true;
+ } else {
+ command = ctx->argv[3];
+ not = false;
+ }
+ for (flag = flags; flag < &flags[ARRAY_SIZE(flags)]; flag++) {
+ if (!strcasecmp(command, flag->name)) {
+ pm.mask = flag->bit;
+ pm.config = flag->on ^ not ? flag->bit : 0;
+ goto found;
+ }
}
+ ovs_fatal(0, "unknown mod-port command '%s'", ctx->argv[3]);
+
+found:
+ protocol = open_vconn(ctx->argv[1], &vconn);
+ transact_noreply(vconn, ofputil_encode_port_mod(&pm, protocol));
vconn_close(vconn);
}
+/* This function uses OFPMP14_TABLE_DESC request to get the current
+ * table configuration from switch. The function then modifies
+ * only that table-config property, which has been requested. */
static void
-do_mod_port(int argc OVS_UNUSED, char *argv[])
+fetch_table_desc(struct vconn *vconn, struct ofputil_table_mod *tm,
+ struct ofputil_table_desc *td)
{
- struct ofp_port_mod *opm;
- struct ofp_phy_port opp;
struct ofpbuf *request;
+ ovs_be32 send_xid;
+ bool done = false;
+ bool found = false;
+
+ request = ofputil_encode_table_desc_request(vconn_get_version(vconn));
+ send_xid = ((struct ofp_header *) request->data)->xid;
+ send_openflow_buffer(vconn, request);
+ while (!done) {
+ ovs_be32 recv_xid;
+ struct ofpbuf *reply;
+
+ run(vconn_recv_block(vconn, &reply), "OpenFlow packet receive failed");
+ recv_xid = ((struct ofp_header *) reply->data)->xid;
+ if (send_xid == recv_xid) {
+ struct ofp_header *oh = reply->data;
+ enum ofptype type;
+ struct ofpbuf b;
+ uint16_t flags;
+
+ ofpbuf_use_const(&b, oh, ntohs(oh->length));
+ if (ofptype_pull(&type, &b)
+ || type != OFPTYPE_TABLE_DESC_REPLY) {
+ ovs_fatal(0, "received bad reply: %s",
+ ofp_to_string(reply->data, reply->size,
+ verbosity + 1));
+ }
+ flags = ofpmp_flags(oh);
+ done = !(flags & OFPSF_REPLY_MORE);
+ if (found) {
+ /* We've already found the table desc consisting of current
+ * table configuration, but we need to drain the queue of
+ * any other replies for this request. */
+ continue;
+ }
+ while (!ofputil_decode_table_desc(&b, td, oh->version)) {
+ if (td->table_id == tm->table_id) {
+ found = true;
+ break;
+ }
+ }
+ } else {
+ VLOG_DBG("received reply with xid %08"PRIx32" "
+ "!= expected %08"PRIx32, recv_xid, send_xid);
+ }
+ ofpbuf_delete(reply);
+ }
+ if (tm->eviction != OFPUTIL_TABLE_EVICTION_DEFAULT) {
+ tm->vacancy = td->vacancy;
+ tm->table_vacancy.vacancy_down = td->table_vacancy.vacancy_down;
+ tm->table_vacancy.vacancy_up = td->table_vacancy.vacancy_up;
+ } else if (tm->vacancy != OFPUTIL_TABLE_VACANCY_DEFAULT) {
+ tm->eviction = td->eviction;
+ tm->eviction_flags = td->eviction_flags;
+ }
+}
+
+static void
+ofctl_mod_table(struct ovs_cmdl_context *ctx)
+{
+ uint32_t usable_versions;
+ struct ofputil_table_mod tm;
struct vconn *vconn;
+ char *error;
+ int i;
- fetch_ofp_phy_port(argv[1], argv[2], &opp);
-
- opm = make_openflow(sizeof(struct ofp_port_mod), OFPT_PORT_MOD, &request);
- opm->port_no = opp.port_no;
- memcpy(opm->hw_addr, opp.hw_addr, sizeof opm->hw_addr);
- opm->config = htonl(0);
- opm->mask = htonl(0);
- opm->advertise = htonl(0);
-
- if (!strcasecmp(argv[3], "up")) {
- opm->mask |= htonl(OFPPC_PORT_DOWN);
- } else if (!strcasecmp(argv[3], "down")) {
- opm->mask |= htonl(OFPPC_PORT_DOWN);
- opm->config |= htonl(OFPPC_PORT_DOWN);
- } else if (!strcasecmp(argv[3], "flood")) {
- opm->mask |= htonl(OFPPC_NO_FLOOD);
- } else if (!strcasecmp(argv[3], "noflood")) {
- opm->mask |= htonl(OFPPC_NO_FLOOD);
- opm->config |= htonl(OFPPC_NO_FLOOD);
- } else if (!strcasecmp(argv[3], "forward")) {
- opm->mask |= htonl(OFPPC_NO_FWD);
- } else if (!strcasecmp(argv[3], "noforward")) {
- opm->mask |= htonl(OFPPC_NO_FWD);
- opm->config |= htonl(OFPPC_NO_FWD);
+ error = parse_ofp_table_mod(&tm, ctx->argv[2], ctx->argv[3],
+ &usable_versions);
+ if (error) {
+ ovs_fatal(0, "%s", error);
+ }
+
+ uint32_t allowed_versions = get_allowed_ofp_versions();
+ if (!(allowed_versions & usable_versions)) {
+ struct ds versions = DS_EMPTY_INITIALIZER;
+ ofputil_format_version_bitmap_names(&versions, usable_versions);
+ ovs_fatal(0, "table_mod '%s' requires one of the OpenFlow "
+ "versions %s",
+ ctx->argv[3], ds_cstr(&versions));
+ }
+ mask_allowed_ofp_versions(usable_versions);
+ enum ofputil_protocol protocol = open_vconn(ctx->argv[1], &vconn);
+
+ /* For OpenFlow 1.4+, ovs-ofctl mod-table should not affect table-config
+ * properties that the user didn't ask to change, so it is necessary to
+ * restore the current configuration of table-config parameters using
+ * OFPMP14_TABLE_DESC request. */
+ if ((allowed_versions & (1u << OFP14_VERSION)) ||
+ (allowed_versions & (1u << OFP15_VERSION))) {
+ struct ofputil_table_desc td;
+
+ if (tm.table_id == OFPTT_ALL) {
+ for (i = 0; i < OFPTT_MAX; i++) {
+ tm.table_id = i;
+ fetch_table_desc(vconn, &tm, &td);
+ transact_noreply(vconn,
+ ofputil_encode_table_mod(&tm, protocol));
+ }
+ } else {
+ fetch_table_desc(vconn, &tm, &td);
+ transact_noreply(vconn, ofputil_encode_table_mod(&tm, protocol));
+ }
} else {
- ovs_fatal(0, "unknown mod-port command '%s'", argv[3]);
+ transact_noreply(vconn, ofputil_encode_table_mod(&tm, protocol));
}
-
- open_vconn(argv[1], &vconn);
- transact_noreply(vconn, request);
vconn_close(vconn);
}
static void
-do_get_frags(int argc OVS_UNUSED, char *argv[])
+ofctl_get_frags(struct ovs_cmdl_context *ctx)
{
- struct ofp_switch_config config;
+ struct ofputil_switch_config config;
struct vconn *vconn;
- open_vconn(argv[1], &vconn);
+ open_vconn(ctx->argv[1], &vconn);
fetch_switch_config(vconn, &config);
- puts(ofputil_frag_handling_to_string(ntohs(config.flags)));
+ puts(ofputil_frag_handling_to_string(config.frag));
vconn_close(vconn);
}
static void
-do_set_frags(int argc OVS_UNUSED, char *argv[])
+ofctl_set_frags(struct ovs_cmdl_context *ctx)
{
- struct ofp_switch_config config;
- enum ofp_config_flags mode;
+ struct ofputil_switch_config config;
+ enum ofputil_frag_handling frag;
struct vconn *vconn;
- ovs_be16 flags;
- if (!ofputil_frag_handling_from_string(argv[2], &mode)) {
- ovs_fatal(0, "%s: unknown fragment handling mode", argv[2]);
+ if (!ofputil_frag_handling_from_string(ctx->argv[2], &frag)) {
+ ovs_fatal(0, "%s: unknown fragment handling mode", ctx->argv[2]);
}
- open_vconn(argv[1], &vconn);
+ open_vconn(ctx->argv[1], &vconn);
fetch_switch_config(vconn, &config);
- flags = htons(mode) | (config.flags & htons(~OFPC_FRAG_MASK));
- if (flags != config.flags) {
+ if (frag != config.frag) {
/* Set the configuration. */
- config.flags = flags;
+ config.frag = frag;
set_switch_config(vconn, &config);
/* Then retrieve the configuration to see if it really took. OpenFlow
- * doesn't define error reporting for bad modes, so this is all we can
- * do. */
+ * has ill-defined error reporting for bad flags, so this is about the
+ * best we can do. */
fetch_switch_config(vconn, &config);
- if (flags != config.flags) {
+ if (frag != config.frag) {
ovs_fatal(0, "%s: setting fragment handling mode failed (this "
"switch probably doesn't support mode \"%s\")",
- argv[1], ofputil_frag_handling_to_string(mode));
+ ctx->argv[1], ofputil_frag_handling_to_string(frag));
}
}
vconn_close(vconn);
}
static void
-do_ping(int argc, char *argv[])
+ofctl_ofp_parse(struct ovs_cmdl_context *ctx)
{
- size_t max_payload = 65535 - sizeof(struct ofp_header);
- unsigned int payload;
- struct vconn *vconn;
- int i;
+ const char *filename = ctx->argv[1];
+ struct ofpbuf b;
+ FILE *file;
- payload = argc > 2 ? atoi(argv[2]) : 64;
- if (payload > max_payload) {
- ovs_fatal(0, "payload must be between 0 and %zu bytes", max_payload);
+ file = !strcmp(filename, "-") ? stdin : fopen(filename, "r");
+ if (file == NULL) {
+ ovs_fatal(errno, "%s: open", filename);
}
- open_vconn(argv[1], &vconn);
- for (i = 0; i < 10; i++) {
- struct timeval start, end;
- struct ofpbuf *request, *reply;
- struct ofp_header *rq_hdr, *rpy_hdr;
+ ofpbuf_init(&b, 65536);
+ for (;;) {
+ struct ofp_header *oh;
+ size_t length, tail_len;
+ void *tail;
+ size_t n;
+
+ ofpbuf_clear(&b);
+ oh = ofpbuf_put_uninit(&b, sizeof *oh);
+ n = fread(oh, 1, sizeof *oh, file);
+ if (n == 0) {
+ break;
+ } else if (n < sizeof *oh) {
+ ovs_fatal(0, "%s: unexpected end of file mid-message", filename);
+ }
- rq_hdr = make_openflow(sizeof(struct ofp_header) + payload,
- OFPT_ECHO_REQUEST, &request);
- random_bytes(rq_hdr + 1, payload);
+ length = ntohs(oh->length);
+ if (length < sizeof *oh) {
+ ovs_fatal(0, "%s: %"PRIuSIZE"-byte message is too short for OpenFlow",
+ filename, length);
+ }
- xgettimeofday(&start);
- run(vconn_transact(vconn, ofpbuf_clone(request), &reply), "transact");
- xgettimeofday(&end);
+ tail_len = length - sizeof *oh;
+ tail = ofpbuf_put_uninit(&b, tail_len);
+ n = fread(tail, 1, tail_len, file);
+ if (n < tail_len) {
+ ovs_fatal(0, "%s: unexpected end of file mid-message", filename);
+ }
- rpy_hdr = reply->data;
- if (reply->size != request->size
- || memcmp(rpy_hdr + 1, rq_hdr + 1, payload)
- || rpy_hdr->xid != rq_hdr->xid
- || rpy_hdr->type != OFPT_ECHO_REPLY) {
- printf("Reply does not match request. Request:\n");
- ofp_print(stdout, request, request->size, verbosity + 2);
- printf("Reply:\n");
- ofp_print(stdout, reply, reply->size, verbosity + 2);
+ ofp_print(stdout, b.data, b.size, verbosity + 2);
+ }
+ ofpbuf_uninit(&b);
+
+ if (file != stdin) {
+ fclose(file);
+ }
+}
+
+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;
+ }
}
- printf("%zu bytes from %s: xid=%08"PRIx32" time=%.1f ms\n",
- reply->size - sizeof *rpy_hdr, argv[1], ntohl(rpy_hdr->xid),
- (1000*(double)(end.tv_sec - start.tv_sec))
- + (.001*(end.tv_usec - start.tv_usec)));
- ofpbuf_delete(request);
- ofpbuf_delete(reply);
+ return false;
+ } else {
+ return port == OFP_PORT || port == OFP_OLD_PORT;
}
- vconn_close(vconn);
}
static void
-do_benchmark(int argc OVS_UNUSED, char *argv[])
+ofctl_ofp_parse_pcap(struct ovs_cmdl_context *ctx)
{
- size_t max_payload = 65535 - sizeof(struct ofp_header);
- struct timeval start, end;
- unsigned int payload_size, message_size;
- struct vconn *vconn;
- double duration;
- int count;
- int i;
+ struct tcp_reader *reader;
+ FILE *file;
+ int error;
+ bool first;
- payload_size = atoi(argv[2]);
- if (payload_size > max_payload) {
- ovs_fatal(0, "payload must be between 0 and %zu bytes", max_payload);
+ file = ovs_pcap_open(ctx->argv[1], "rb");
+ if (!file) {
+ ovs_fatal(errno, "%s: open failed", ctx->argv[1]);
}
- message_size = sizeof(struct ofp_header) + payload_size;
- count = atoi(argv[3]);
+ reader = tcp_reader_open();
+ first = true;
+ for (;;) {
+ struct dp_packet *packet;
+ long long int when;
+ struct flow flow;
- printf("Sending %d packets * %u bytes (with header) = %u bytes total\n",
+ error = ovs_pcap_read(file, &packet, &when);
+ if (error) {
+ break;
+ }
+ pkt_metadata_init(&packet->md, ODPP_NONE);
+ flow_extract(packet, &flow);
+ if (flow.dl_type == htons(ETH_TYPE_IP)
+ && flow.nw_proto == IPPROTO_TCP
+ && (is_openflow_port(flow.tp_src, ctx->argv + 2) ||
+ is_openflow_port(flow.tp_dst, ctx->argv + 2))) {
+ struct dp_packet *payload = tcp_reader_run(reader, &flow, packet);
+ if (payload) {
+ while (dp_packet_size(payload) >= sizeof(struct ofp_header)) {
+ const struct ofp_header *oh;
+ void *data = dp_packet_data(payload);
+ int length;
+
+ /* Align OpenFlow on 8-byte boundary for safe access. */
+ dp_packet_shift(payload, -((intptr_t) data & 7));
+
+ oh = dp_packet_data(payload);
+ length = ntohs(oh->length);
+ if (dp_packet_size(payload) < 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, dp_packet_data(payload), length, verbosity + 1);
+ dp_packet_pull(payload, length);
+ }
+ }
+ }
+ dp_packet_delete(packet);
+ }
+ tcp_reader_close(reader);
+}
+
+static void
+ofctl_ping(struct ovs_cmdl_context *ctx)
+{
+ size_t max_payload = 65535 - sizeof(struct ofp_header);
+ unsigned int payload;
+ struct vconn *vconn;
+ int i;
+
+ payload = ctx->argc > 2 ? atoi(ctx->argv[2]) : 64;
+ if (payload > max_payload) {
+ ovs_fatal(0, "payload must be between 0 and %"PRIuSIZE" bytes", max_payload);
+ }
+
+ open_vconn(ctx->argv[1], &vconn);
+ for (i = 0; i < 10; i++) {
+ struct timeval start, end;
+ struct ofpbuf *request, *reply;
+ const struct ofp_header *rpy_hdr;
+ enum ofptype type;
+
+ request = ofpraw_alloc(OFPRAW_OFPT_ECHO_REQUEST,
+ vconn_get_version(vconn), payload);
+ random_bytes(ofpbuf_put_uninit(request, payload), payload);
+
+ xgettimeofday(&start);
+ run(vconn_transact(vconn, ofpbuf_clone(request), &reply), "transact");
+ xgettimeofday(&end);
+
+ rpy_hdr = reply->data;
+ if (ofptype_pull(&type, reply)
+ || type != OFPTYPE_ECHO_REPLY
+ || reply->size != payload
+ || memcmp(request->msg, reply->msg, payload)) {
+ printf("Reply does not match request. Request:\n");
+ ofp_print(stdout, request, request->size, verbosity + 2);
+ printf("Reply:\n");
+ ofp_print(stdout, reply, reply->size, verbosity + 2);
+ }
+ printf("%"PRIu32" bytes from %s: xid=%08"PRIx32" time=%.1f ms\n",
+ reply->size, ctx->argv[1], ntohl(rpy_hdr->xid),
+ (1000*(double)(end.tv_sec - start.tv_sec))
+ + (.001*(end.tv_usec - start.tv_usec)));
+ ofpbuf_delete(request);
+ ofpbuf_delete(reply);
+ }
+ vconn_close(vconn);
+}
+
+static void
+ofctl_benchmark(struct ovs_cmdl_context *ctx)
+{
+ size_t max_payload = 65535 - sizeof(struct ofp_header);
+ struct timeval start, end;
+ unsigned int payload_size, message_size;
+ struct vconn *vconn;
+ double duration;
+ int count;
+ int i;
+
+ payload_size = atoi(ctx->argv[2]);
+ if (payload_size > max_payload) {
+ ovs_fatal(0, "payload must be between 0 and %"PRIuSIZE" bytes", max_payload);
+ }
+ message_size = sizeof(struct ofp_header) + payload_size;
+
+ count = atoi(ctx->argv[3]);
+
+ printf("Sending %d packets * %u bytes (with header) = %u bytes total\n",
count, message_size, count * message_size);
- open_vconn(argv[1], &vconn);
+ open_vconn(ctx->argv[1], &vconn);
xgettimeofday(&start);
for (i = 0; i < count; i++) {
struct ofpbuf *request, *reply;
- struct ofp_header *rq_hdr;
- rq_hdr = make_openflow(message_size, OFPT_ECHO_REQUEST, &request);
- memset(rq_hdr + 1, 0, payload_size);
+ request = ofpraw_alloc(OFPRAW_OFPT_ECHO_REQUEST,
+ vconn_get_version(vconn), payload_size);
+ ofpbuf_put_zeros(request, payload_size);
run(vconn_transact(vconn, request, &reply), "transact");
ofpbuf_delete(reply);
}
}
static void
-do_help(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
+ofctl_group_mod__(const char *remote, struct ofputil_group_mod *gms,
+ size_t n_gms, enum ofputil_protocol usable_protocols)
+{
+ enum ofputil_protocol protocol;
+ struct ofputil_group_mod *gm;
+ enum ofp_version version;
+ struct ofpbuf *request;
+
+ struct vconn *vconn;
+ size_t i;
+
+ protocol = open_vconn_for_flow_mod(remote, &vconn, usable_protocols);
+ version = ofputil_protocol_to_ofp_version(protocol);
+
+ for (i = 0; i < n_gms; i++) {
+ gm = &gms[i];
+ request = ofputil_encode_group_mod(version, gm);
+ if (request) {
+ transact_noreply(vconn, request);
+ }
+ }
+
+ vconn_close(vconn);
+
+}
+
+
+static void
+ofctl_group_mod_file(int argc OVS_UNUSED, char *argv[], uint16_t command)
+{
+ struct ofputil_group_mod *gms = NULL;
+ enum ofputil_protocol usable_protocols;
+ size_t n_gms = 0;
+ char *error;
+ int i;
+
+ error = parse_ofp_group_mod_file(argv[2], command, &gms, &n_gms,
+ &usable_protocols);
+ if (error) {
+ ovs_fatal(0, "%s", error);
+ }
+ ofctl_group_mod__(argv[1], gms, n_gms, usable_protocols);
+ for (i = 0; i < n_gms; i++) {
+ ofputil_bucket_list_destroy(&gms[i].buckets);
+ }
+ free(gms);
+}
+
+static void
+ofctl_group_mod(int argc, char *argv[], uint16_t command)
+{
+ if (argc > 2 && !strcmp(argv[2], "-")) {
+ ofctl_group_mod_file(argc, argv, command);
+ } else {
+ enum ofputil_protocol usable_protocols;
+ struct ofputil_group_mod gm;
+ char *error;
+
+ error = parse_ofp_group_mod_str(&gm, command, argc > 2 ? argv[2] : "",
+ &usable_protocols);
+ if (error) {
+ ovs_fatal(0, "%s", error);
+ }
+ ofctl_group_mod__(argv[1], &gm, 1, usable_protocols);
+ ofputil_bucket_list_destroy(&gm.buckets);
+ }
+}
+
+static void
+ofctl_add_group(struct ovs_cmdl_context *ctx)
+{
+ ofctl_group_mod(ctx->argc, ctx->argv, OFPGC11_ADD);
+}
+
+static void
+ofctl_add_groups(struct ovs_cmdl_context *ctx)
+{
+ ofctl_group_mod_file(ctx->argc, ctx->argv, OFPGC11_ADD);
+}
+
+static void
+ofctl_mod_group(struct ovs_cmdl_context *ctx)
+{
+ ofctl_group_mod(ctx->argc, ctx->argv, OFPGC11_MODIFY);
+}
+
+static void
+ofctl_del_groups(struct ovs_cmdl_context *ctx)
+{
+ ofctl_group_mod(ctx->argc, ctx->argv, OFPGC11_DELETE);
+}
+
+static void
+ofctl_insert_bucket(struct ovs_cmdl_context *ctx)
+{
+ ofctl_group_mod(ctx->argc, ctx->argv, OFPGC15_INSERT_BUCKET);
+}
+
+static void
+ofctl_remove_bucket(struct ovs_cmdl_context *ctx)
+{
+ ofctl_group_mod(ctx->argc, ctx->argv, OFPGC15_REMOVE_BUCKET);
+}
+
+static void
+ofctl_dump_group_stats(struct ovs_cmdl_context *ctx)
+{
+ enum ofputil_protocol usable_protocols;
+ struct ofputil_group_mod gm;
+ struct ofpbuf *request;
+ struct vconn *vconn;
+ uint32_t group_id;
+ char *error;
+
+ memset(&gm, 0, sizeof gm);
+
+ error = parse_ofp_group_mod_str(&gm, OFPGC11_DELETE,
+ ctx->argc > 2 ? ctx->argv[2] : "",
+ &usable_protocols);
+ if (error) {
+ ovs_fatal(0, "%s", error);
+ }
+
+ group_id = gm.group_id;
+
+ open_vconn(ctx->argv[1], &vconn);
+ request = ofputil_encode_group_stats_request(vconn_get_version(vconn),
+ group_id);
+ if (request) {
+ dump_transaction(vconn, request);
+ }
+
+ vconn_close(vconn);
+}
+
+static void
+ofctl_dump_group_desc(struct ovs_cmdl_context *ctx)
+{
+ struct ofpbuf *request;
+ struct vconn *vconn;
+ uint32_t group_id;
+
+ open_vconn(ctx->argv[1], &vconn);
+
+ if (ctx->argc < 3 || !ofputil_group_from_string(ctx->argv[2], &group_id)) {
+ group_id = OFPG_ALL;
+ }
+
+ request = ofputil_encode_group_desc_request(vconn_get_version(vconn),
+ group_id);
+ if (request) {
+ dump_transaction(vconn, request);
+ }
+
+ vconn_close(vconn);
+}
+
+static void
+ofctl_dump_group_features(struct ovs_cmdl_context *ctx)
+{
+ struct ofpbuf *request;
+ struct vconn *vconn;
+
+ open_vconn(ctx->argv[1], &vconn);
+ request = ofputil_encode_group_features_request(vconn_get_version(vconn));
+ if (request) {
+ dump_transaction(vconn, request);
+ }
+
+ vconn_close(vconn);
+}
+
+static void
+ofctl_tlv_mod(struct ovs_cmdl_context *ctx, uint16_t command)
+{
+ enum ofputil_protocol usable_protocols;
+ enum ofputil_protocol protocol;
+ struct ofputil_tlv_table_mod ttm;
+ char *error;
+ enum ofp_version version;
+ struct ofpbuf *request;
+ struct vconn *vconn;
+
+ error = parse_ofp_tlv_table_mod_str(&ttm, command, ctx->argc > 2 ?
+ ctx->argv[2] : "",
+ &usable_protocols);
+ if (error) {
+ ovs_fatal(0, "%s", error);
+ }
+
+ protocol = open_vconn_for_flow_mod(ctx->argv[1], &vconn, usable_protocols);
+ version = ofputil_protocol_to_ofp_version(protocol);
+
+ request = ofputil_encode_tlv_table_mod(version, &ttm);
+ if (request) {
+ transact_noreply(vconn, request);
+ }
+
+ vconn_close(vconn);
+ ofputil_uninit_tlv_table(&ttm.mappings);
+}
+
+static void
+ofctl_add_tlv_map(struct ovs_cmdl_context *ctx)
+{
+ ofctl_tlv_mod(ctx, NXTTMC_ADD);
+}
+
+static void
+ofctl_del_tlv_map(struct ovs_cmdl_context *ctx)
+{
+ ofctl_tlv_mod(ctx, ctx->argc > 2 ? NXTTMC_DELETE : NXTTMC_CLEAR);
+}
+
+static void
+ofctl_dump_tlv_map(struct ovs_cmdl_context *ctx)
+{
+ dump_trivial_transaction(ctx->argv[1], OFPRAW_NXT_TLV_TABLE_REQUEST);
+}
+
+static void
+ofctl_help(struct ovs_cmdl_context *ctx OVS_UNUSED)
{
usage();
}
+
+static void
+ofctl_list_commands(struct ovs_cmdl_context *ctx OVS_UNUSED)
+{
+ ovs_cmdl_print_commands(get_all_commands());
+}
\f
/* replace-flows and diff-flows commands. */
+struct flow_tables {
+ struct classifier tables[OFPTT_MAX + 1];
+};
+
+#define FOR_EACH_TABLE(CLS, TABLES) \
+ for ((CLS) = (TABLES)->tables; \
+ (CLS) < &(TABLES)->tables[ARRAY_SIZE((TABLES)->tables)]; \
+ (CLS)++)
+
+static void
+flow_tables_init(struct flow_tables *tables)
+{
+ struct classifier *cls;
+
+ FOR_EACH_TABLE (cls, tables) {
+ classifier_init(cls, NULL);
+ }
+}
+
+static void
+flow_tables_defer(struct flow_tables *tables)
+{
+ struct classifier *cls;
+
+ FOR_EACH_TABLE (cls, tables) {
+ classifier_defer(cls);
+ }
+}
+
+static void
+flow_tables_publish(struct flow_tables *tables)
+{
+ struct classifier *cls;
+
+ FOR_EACH_TABLE (cls, tables) {
+ classifier_publish(cls);
+ }
+}
+
/* A flow table entry, possibly with two different versions. */
struct fte {
struct cls_rule rule; /* Within a "struct classifier". */
ovs_be64 cookie;
uint16_t idle_timeout;
uint16_t hard_timeout;
+ uint16_t importance;
uint16_t flags;
- union ofp_action *actions;
- size_t n_actions;
+ struct ofpact *ofpacts;
+ size_t ofpacts_len;
+ uint8_t table_id;
};
/* Frees 'version' and the data that it owns. */
fte_version_free(struct fte_version *version)
{
if (version) {
- free(version->actions);
+ free(CONST_CAST(struct ofpact *, version->ofpacts));
free(version);
}
}
return (a->cookie == b->cookie
&& a->idle_timeout == b->idle_timeout
&& a->hard_timeout == b->hard_timeout
- && a->n_actions == b->n_actions
- && !memcmp(a->actions, b->actions,
- a->n_actions * sizeof *a->actions));
+ && a->importance == b->importance
+ && a->table_id == b->table_id
+ && ofpacts_equal(a->ofpacts, a->ofpacts_len,
+ b->ofpacts, b->ofpacts_len));
}
-/* Prints 'version' on stdout. Expects the caller to have printed the rule
- * associated with the version. */
+/* Clears 's', then if 's' has a version 'index', formats 'fte' and version
+ * 'index' into 's', followed by a new-line. */
static void
-fte_version_print(const struct fte_version *version)
+fte_version_format(const struct fte *fte, int index, struct ds *s)
{
- struct ds s;
+ const struct fte_version *version = fte->versions[index];
+
+ ds_clear(s);
+ if (!version) {
+ return;
+ }
+ if (version->table_id) {
+ ds_put_format(s, "table=%"PRIu8" ", version->table_id);
+ }
+ cls_rule_format(&fte->rule, s);
if (version->cookie != htonll(0)) {
- printf(" cookie=0x%"PRIx64, ntohll(version->cookie));
+ ds_put_format(s, " cookie=0x%"PRIx64, ntohll(version->cookie));
}
if (version->idle_timeout != OFP_FLOW_PERMANENT) {
- printf(" idle_timeout=%"PRIu16, version->idle_timeout);
+ ds_put_format(s, " idle_timeout=%"PRIu16, version->idle_timeout);
}
if (version->hard_timeout != OFP_FLOW_PERMANENT) {
- printf(" hard_timeout=%"PRIu16, version->hard_timeout);
+ ds_put_format(s, " hard_timeout=%"PRIu16, version->hard_timeout);
+ }
+ if (version->importance != 0) {
+ ds_put_format(s, " importance=%"PRIu16, version->importance);
}
- ds_init(&s);
- ofp_print_actions(&s, version->actions, version->n_actions);
- printf(" %s\n", ds_cstr(&s));
- ds_destroy(&s);
+ ds_put_cstr(s, " actions=");
+ ofpacts_format(version->ofpacts, version->ofpacts_len, s);
+
+ ds_put_char(s, '\n');
}
static struct fte *
if (fte) {
fte_version_free(fte->versions[0]);
fte_version_free(fte->versions[1]);
+ cls_rule_destroy(&fte->rule);
free(fte);
}
}
-/* Frees all of the FTEs within 'cls'. */
+/* Frees all of the FTEs within 'tables'. */
static void
-fte_free_all(struct classifier *cls)
+fte_free_all(struct flow_tables *tables)
{
- struct cls_cursor cursor;
- struct fte *fte, *next;
+ struct classifier *cls;
+
+ FOR_EACH_TABLE (cls, tables) {
+ struct fte *fte;
- cls_cursor_init(&cursor, cls, NULL);
- CLS_CURSOR_FOR_EACH_SAFE (fte, next, rule, &cursor) {
- classifier_remove(cls, &fte->rule);
- fte_free(fte);
+ classifier_defer(cls);
+ CLS_FOR_EACH (fte, rule, cls) {
+ classifier_remove(cls, &fte->rule);
+ ovsrcu_postpone(fte_free, fte);
+ }
+ classifier_destroy(cls);
}
}
-/* Searches 'cls' for an FTE matching 'rule', inserting a new one if
+/* Searches 'tables' for an FTE matching 'rule', inserting a new one if
* necessary. Sets 'version' as the version of that rule with the given
* 'index', replacing any existing version, if any.
*
* Takes ownership of 'version'. */
static void
-fte_insert(struct classifier *cls, const struct cls_rule *rule,
- struct fte_version *version, int index)
+fte_insert(struct flow_tables *tables, const struct match *match,
+ int priority, struct fte_version *version, int index)
{
+ struct classifier *cls = &tables->tables[version->table_id];
struct fte *old, *fte;
fte = xzalloc(sizeof *fte);
- fte->rule = *rule;
+ cls_rule_init(&fte->rule, match, priority);
fte->versions[index] = version;
- old = fte_from_cls_rule(classifier_replace(cls, &fte->rule));
+ old = fte_from_cls_rule(classifier_replace(cls, &fte->rule,
+ CLS_MIN_VERSION, NULL, 0));
if (old) {
- fte_version_free(old->versions[index]);
fte->versions[!index] = old->versions[!index];
- free(old);
+ old->versions[!index] = NULL;
+
+ ovsrcu_postpone(fte_free, old);
}
}
-/* Reads the flows in 'filename' as flow table entries in 'cls' for the version
- * with the specified 'index'. Returns the flow formats able to represent the
- * flows that were read. */
+/* Reads the flows in 'filename' as flow table entries in 'tables' for the
+ * version with the specified 'index'. Returns the flow formats able to
+ * represent the flows that were read. */
static enum ofputil_protocol
-read_flows_from_file(const char *filename, struct classifier *cls, int index)
+read_flows_from_file(const char *filename, struct flow_tables *tables,
+ int index)
{
enum ofputil_protocol usable_protocols;
+ int line_number;
struct ds s;
FILE *file;
ds_init(&s);
usable_protocols = OFPUTIL_P_ANY;
- while (!ds_get_preprocessed_line(&s, file)) {
+ line_number = 0;
+ flow_tables_defer(tables);
+ while (!ds_get_preprocessed_line(&s, file, &line_number)) {
struct fte_version *version;
struct ofputil_flow_mod fm;
+ char *error;
+ enum ofputil_protocol usable;
- parse_ofp_str(&fm, OFPFC_ADD, ds_cstr(&s), true);
+ error = parse_ofp_str(&fm, OFPFC_ADD, ds_cstr(&s), &usable);
+ if (error) {
+ ovs_fatal(0, "%s:%d: %s", filename, line_number, error);
+ }
+ usable_protocols &= usable;
version = xmalloc(sizeof *version);
- version->cookie = fm.cookie;
+ version->cookie = fm.new_cookie;
version->idle_timeout = fm.idle_timeout;
version->hard_timeout = fm.hard_timeout;
- version->flags = fm.flags & (OFPFF_SEND_FLOW_REM | OFPFF_EMERG);
- version->actions = fm.actions;
- version->n_actions = fm.n_actions;
-
- usable_protocols &= ofputil_usable_protocols(&fm.cr);
+ version->importance = fm.importance;
+ version->flags = fm.flags & (OFPUTIL_FF_SEND_FLOW_REM
+ | OFPUTIL_FF_EMERG);
+ version->ofpacts = fm.ofpacts;
+ version->ofpacts_len = fm.ofpacts_len;
+ version->table_id = fm.table_id != OFPTT_ALL ? fm.table_id : 0;
- fte_insert(cls, &fm.cr, version, index);
+ fte_insert(tables, &fm.match, fm.priority, version, index);
}
+ flow_tables_publish(tables);
ds_destroy(&s);
if (file != stdin) {
return usable_protocols;
}
+static bool
+recv_flow_stats_reply(struct vconn *vconn, ovs_be32 send_xid,
+ struct ofpbuf **replyp,
+ struct ofputil_flow_stats *fs, struct ofpbuf *ofpacts)
+{
+ struct ofpbuf *reply = *replyp;
+
+ for (;;) {
+ int retval;
+ bool more;
+
+ /* Get a flow stats reply message, if we don't already have one. */
+ if (!reply) {
+ enum ofptype type;
+ enum ofperr error;
+
+ do {
+ run(vconn_recv_block(vconn, &reply),
+ "OpenFlow packet receive failed");
+ } while (((struct ofp_header *) reply->data)->xid != send_xid);
+
+ error = ofptype_decode(&type, reply->data);
+ if (error || type != OFPTYPE_FLOW_STATS_REPLY) {
+ ovs_fatal(0, "received bad reply: %s",
+ ofp_to_string(reply->data, reply->size,
+ verbosity + 1));
+ }
+ }
+
+ /* Pull an individual flow stats reply out of the message. */
+ retval = ofputil_decode_flow_stats_reply(fs, reply, false, ofpacts);
+ switch (retval) {
+ case 0:
+ *replyp = reply;
+ return true;
+
+ case EOF:
+ more = ofpmp_more(reply->header);
+ ofpbuf_delete(reply);
+ reply = NULL;
+ if (!more) {
+ *replyp = NULL;
+ return false;
+ }
+ break;
+
+ default:
+ ovs_fatal(0, "parse error in reply (%s)",
+ ofperr_to_string(retval));
+ }
+ }
+}
+
/* Reads the OpenFlow flow table from 'vconn', which has currently active flow
- * format 'protocol', and adds them as flow table entries in 'cls' for the
+ * format 'protocol', and adds them as flow table entries in 'tables' for the
* version with the specified 'index'. */
static void
read_flows_from_switch(struct vconn *vconn,
enum ofputil_protocol protocol,
- struct classifier *cls, int index)
+ struct flow_tables *tables, int index)
{
struct ofputil_flow_stats_request fsr;
+ struct ofputil_flow_stats fs;
struct ofpbuf *request;
+ struct ofpbuf ofpacts;
+ struct ofpbuf *reply;
ovs_be32 send_xid;
- bool done;
fsr.aggregate = false;
- cls_rule_init_catchall(&fsr.match, 0);
- fsr.out_port = OFPP_NONE;
+ match_init_catchall(&fsr.match);
+ fsr.out_port = OFPP_ANY;
+ fsr.out_group = OFPG_ANY;
fsr.table_id = 0xff;
fsr.cookie = fsr.cookie_mask = htonll(0);
request = ofputil_encode_flow_stats_request(&fsr, protocol);
send_xid = ((struct ofp_header *) request->data)->xid;
send_openflow_buffer(vconn, request);
- done = false;
- while (!done) {
- ovs_be32 recv_xid;
- struct ofpbuf *reply;
-
- run(vconn_recv_block(vconn, &reply), "OpenFlow packet receive failed");
- recv_xid = ((struct ofp_header *) reply->data)->xid;
- if (send_xid == recv_xid) {
- const struct ofputil_msg_type *type;
- const struct ofp_stats_msg *osm;
- enum ofputil_msg_code code;
-
- ofputil_decode_msg_type(reply->data, &type);
- code = ofputil_msg_type_code(type);
- if (code != OFPUTIL_OFPST_FLOW_REPLY &&
- code != OFPUTIL_NXST_FLOW_REPLY) {
- ovs_fatal(0, "received bad reply: %s",
- ofp_to_string(reply->data, reply->size,
- verbosity + 1));
- }
-
- osm = reply->data;
- if (!(osm->flags & htons(OFPSF_REPLY_MORE))) {
- done = true;
- }
-
- for (;;) {
- struct fte_version *version;
- struct ofputil_flow_stats fs;
- int retval;
-
- retval = ofputil_decode_flow_stats_reply(&fs, reply, false);
- if (retval) {
- if (retval != EOF) {
- ovs_fatal(0, "parse error in reply");
- }
- break;
- }
+ reply = NULL;
+ ofpbuf_init(&ofpacts, 0);
+ flow_tables_defer(tables);
+ while (recv_flow_stats_reply(vconn, send_xid, &reply, &fs, &ofpacts)) {
+ struct fte_version *version;
- version = xmalloc(sizeof *version);
- version->cookie = fs.cookie;
- version->idle_timeout = fs.idle_timeout;
- version->hard_timeout = fs.hard_timeout;
- version->flags = 0;
- version->n_actions = fs.n_actions;
- version->actions = xmemdup(fs.actions,
- fs.n_actions * sizeof *fs.actions);
+ version = xmalloc(sizeof *version);
+ version->cookie = fs.cookie;
+ version->idle_timeout = fs.idle_timeout;
+ version->hard_timeout = fs.hard_timeout;
+ version->importance = fs.importance;
+ version->flags = 0;
+ version->ofpacts_len = fs.ofpacts_len;
+ version->ofpacts = xmemdup(fs.ofpacts, fs.ofpacts_len);
+ version->table_id = fs.table_id;
- fte_insert(cls, &fs.rule, version, index);
- }
- } else {
- VLOG_DBG("received reply with xid %08"PRIx32" "
- "!= expected %08"PRIx32, recv_xid, send_xid);
- }
- ofpbuf_delete(reply);
+ fte_insert(tables, &fs.match, fs.priority, version, index);
}
+ flow_tables_publish(tables);
+ ofpbuf_uninit(&ofpacts);
}
static void
fte_make_flow_mod(const struct fte *fte, int index, uint16_t command,
- enum ofputil_protocol protocol, struct list *packets)
+ enum ofputil_protocol protocol, struct ovs_list *packets)
{
const struct fte_version *version = fte->versions[index];
- struct ofputil_flow_mod fm;
struct ofpbuf *ofm;
- fm.cr = fte->rule;
- fm.cookie = version->cookie;
- fm.table_id = 0xff;
- fm.command = command;
- fm.idle_timeout = version->idle_timeout;
- fm.hard_timeout = version->hard_timeout;
- fm.buffer_id = UINT32_MAX;
- fm.out_port = OFPP_NONE;
- fm.flags = version->flags;
+ struct ofputil_flow_mod fm = {
+ .priority = fte->rule.priority,
+ .new_cookie = version->cookie,
+ .modify_cookie = true,
+ .table_id = version->table_id,
+ .command = command,
+ .idle_timeout = version->idle_timeout,
+ .hard_timeout = version->hard_timeout,
+ .importance = version->importance,
+ .buffer_id = UINT32_MAX,
+ .out_port = OFPP_ANY,
+ .out_group = OFPG_ANY,
+ .flags = version->flags,
+ .delete_reason = OFPRR_DELETE,
+ };
+ minimatch_expand(&fte->rule.match, &fm.match);
if (command == OFPFC_ADD || command == OFPFC_MODIFY ||
command == OFPFC_MODIFY_STRICT) {
- fm.actions = version->actions;
- fm.n_actions = version->n_actions;
+ fm.ofpacts = version->ofpacts;
+ fm.ofpacts_len = version->ofpacts_len;
} else {
- fm.actions = NULL;
- fm.n_actions = 0;
+ fm.ofpacts = NULL;
+ fm.ofpacts_len = 0;
}
ofm = ofputil_encode_flow_mod(&fm, protocol);
}
static void
-do_replace_flows(int argc OVS_UNUSED, char *argv[])
+ofctl_replace_flows(struct ovs_cmdl_context *ctx)
{
enum { FILE_IDX = 0, SWITCH_IDX = 1 };
enum ofputil_protocol usable_protocols, protocol;
- struct cls_cursor cursor;
- struct classifier cls;
- struct list requests;
+ struct flow_tables tables;
+ struct classifier *cls;
+ struct ovs_list requests;
struct vconn *vconn;
struct fte *fte;
- classifier_init(&cls);
- usable_protocols = read_flows_from_file(argv[2], &cls, FILE_IDX);
+ flow_tables_init(&tables);
+ usable_protocols = read_flows_from_file(ctx->argv[2], &tables, FILE_IDX);
- protocol = open_vconn(argv[1], &vconn);
+ protocol = open_vconn(ctx->argv[1], &vconn);
protocol = set_protocol_for_flow_dump(vconn, protocol, usable_protocols);
- read_flows_from_switch(vconn, protocol, &cls, SWITCH_IDX);
+ read_flows_from_switch(vconn, protocol, &tables, SWITCH_IDX);
list_init(&requests);
- /* Delete flows that exist on the switch but not in the file. */
- cls_cursor_init(&cursor, &cls, NULL);
- CLS_CURSOR_FOR_EACH (fte, rule, &cursor) {
- struct fte_version *file_ver = fte->versions[FILE_IDX];
- struct fte_version *sw_ver = fte->versions[SWITCH_IDX];
+ FOR_EACH_TABLE (cls, &tables) {
+ /* Delete flows that exist on the switch but not in the file. */
+ CLS_FOR_EACH (fte, rule, cls) {
+ struct fte_version *file_ver = fte->versions[FILE_IDX];
+ struct fte_version *sw_ver = fte->versions[SWITCH_IDX];
- if (sw_ver && !file_ver) {
- fte_make_flow_mod(fte, SWITCH_IDX, OFPFC_DELETE_STRICT,
- protocol, &requests);
+ if (sw_ver && !file_ver) {
+ fte_make_flow_mod(fte, SWITCH_IDX, OFPFC_DELETE_STRICT,
+ protocol, &requests);
+ }
}
- }
- /* Add flows that exist in the file but not on the switch.
- * Update flows that exist in both places but differ. */
- cls_cursor_init(&cursor, &cls, NULL);
- CLS_CURSOR_FOR_EACH (fte, rule, &cursor) {
- struct fte_version *file_ver = fte->versions[FILE_IDX];
- struct fte_version *sw_ver = fte->versions[SWITCH_IDX];
+ /* Add flows that exist in the file but not on the switch.
+ * Update flows that exist in both places but differ. */
+ CLS_FOR_EACH (fte, rule, cls) {
+ struct fte_version *file_ver = fte->versions[FILE_IDX];
+ struct fte_version *sw_ver = fte->versions[SWITCH_IDX];
- if (file_ver
- && (readd || !sw_ver || !fte_version_equals(sw_ver, file_ver))) {
- fte_make_flow_mod(fte, FILE_IDX, OFPFC_ADD, protocol, &requests);
+ if (file_ver &&
+ (readd || !sw_ver || !fte_version_equals(sw_ver, file_ver))) {
+ fte_make_flow_mod(fte, FILE_IDX, OFPFC_ADD, protocol,
+ &requests);
+ }
}
}
- transact_multiple_noreply(vconn, &requests);
+ if (bundle) {
+ bundle_transact(vconn, &requests, OFPBF_ORDERED | OFPBF_ATOMIC);
+ } else {
+ transact_multiple_noreply(vconn, &requests);
+ }
+
+ ofpbuf_list_delete(&requests);
vconn_close(vconn);
- fte_free_all(&cls);
+ fte_free_all(&tables);
}
static void
-read_flows_from_source(const char *source, struct classifier *cls, int index)
+read_flows_from_source(const char *source, struct flow_tables *tables,
+ int index)
{
struct stat s;
if (source[0] == '/' || source[0] == '.'
|| (!strchr(source, ':') && !stat(source, &s))) {
- read_flows_from_file(source, cls, index);
+ read_flows_from_file(source, tables, index);
} else {
enum ofputil_protocol protocol;
struct vconn *vconn;
protocol = open_vconn(source, &vconn);
protocol = set_protocol_for_flow_dump(vconn, protocol, OFPUTIL_P_ANY);
- read_flows_from_switch(vconn, protocol, cls, index);
+ read_flows_from_switch(vconn, protocol, tables, index);
vconn_close(vconn);
}
}
static void
-do_diff_flows(int argc OVS_UNUSED, char *argv[])
+ofctl_diff_flows(struct ovs_cmdl_context *ctx)
{
bool differences = false;
- struct cls_cursor cursor;
- struct classifier cls;
+ struct flow_tables tables;
+ struct classifier *cls;
+ struct ds a_s, b_s;
struct fte *fte;
- classifier_init(&cls);
- read_flows_from_source(argv[1], &cls, 0);
- read_flows_from_source(argv[2], &cls, 1);
+ flow_tables_init(&tables);
+ read_flows_from_source(ctx->argv[1], &tables, 0);
+ read_flows_from_source(ctx->argv[2], &tables, 1);
- cls_cursor_init(&cursor, &cls, NULL);
- CLS_CURSOR_FOR_EACH (fte, rule, &cursor) {
- struct fte_version *a = fte->versions[0];
- struct fte_version *b = fte->versions[1];
+ ds_init(&a_s);
+ ds_init(&b_s);
- if (!a || !b || !fte_version_equals(a, b)) {
- char *rule_s = cls_rule_to_string(&fte->rule);
- if (a) {
- printf("-%s", rule_s);
- fte_version_print(a);
- }
- if (b) {
- printf("+%s", rule_s);
- fte_version_print(b);
- }
- free(rule_s);
+ FOR_EACH_TABLE (cls, &tables) {
+ CLS_FOR_EACH (fte, rule, cls) {
+ struct fte_version *a = fte->versions[0];
+ struct fte_version *b = fte->versions[1];
- differences = true;
+ if (!a || !b || !fte_version_equals(a, b)) {
+ fte_version_format(fte, 0, &a_s);
+ fte_version_format(fte, 1, &b_s);
+ if (strcmp(ds_cstr(&a_s), ds_cstr(&b_s))) {
+ if (a_s.length) {
+ printf("-%s", ds_cstr(&a_s));
+ }
+ if (b_s.length) {
+ printf("+%s", ds_cstr(&b_s));
+ }
+ differences = true;
+ }
+ }
}
}
- fte_free_all(&cls);
+ ds_destroy(&a_s);
+ ds_destroy(&b_s);
+
+ fte_free_all(&tables);
if (differences) {
exit(2);
}
}
+
+static void
+ofctl_meter_mod__(const char *bridge, const char *str, int command)
+{
+ struct ofputil_meter_mod mm;
+ struct vconn *vconn;
+ enum ofputil_protocol protocol;
+ enum ofputil_protocol usable_protocols;
+ enum ofp_version version;
+
+ if (str) {
+ char *error;
+ error = parse_ofp_meter_mod_str(&mm, str, command, &usable_protocols);
+ if (error) {
+ ovs_fatal(0, "%s", error);
+ }
+ } else {
+ usable_protocols = OFPUTIL_P_OF13_UP;
+ mm.command = command;
+ mm.meter.meter_id = OFPM13_ALL;
+ }
+
+ protocol = open_vconn_for_flow_mod(bridge, &vconn, usable_protocols);
+ version = ofputil_protocol_to_ofp_version(protocol);
+ transact_noreply(vconn, ofputil_encode_meter_mod(version, &mm));
+ vconn_close(vconn);
+}
+
+static void
+ofctl_meter_request__(const char *bridge, const char *str,
+ enum ofputil_meter_request_type type)
+{
+ struct ofputil_meter_mod mm;
+ struct vconn *vconn;
+ enum ofputil_protocol usable_protocols;
+ enum ofputil_protocol protocol;
+ enum ofp_version version;
+
+ if (str) {
+ char *error;
+ error = parse_ofp_meter_mod_str(&mm, str, -1, &usable_protocols);
+ if (error) {
+ ovs_fatal(0, "%s", error);
+ }
+ } else {
+ usable_protocols = OFPUTIL_P_OF13_UP;
+ mm.meter.meter_id = OFPM13_ALL;
+ }
+
+ protocol = open_vconn_for_flow_mod(bridge, &vconn, usable_protocols);
+ version = ofputil_protocol_to_ofp_version(protocol);
+ dump_transaction(vconn, ofputil_encode_meter_request(version, type,
+ mm.meter.meter_id));
+ vconn_close(vconn);
+}
+
+
+static void
+ofctl_add_meter(struct ovs_cmdl_context *ctx)
+{
+ ofctl_meter_mod__(ctx->argv[1], ctx->argv[2], OFPMC13_ADD);
+}
+
+static void
+ofctl_mod_meter(struct ovs_cmdl_context *ctx)
+{
+ ofctl_meter_mod__(ctx->argv[1], ctx->argv[2], OFPMC13_MODIFY);
+}
+
+static void
+ofctl_del_meters(struct ovs_cmdl_context *ctx)
+{
+ ofctl_meter_mod__(ctx->argv[1], ctx->argc > 2 ? ctx->argv[2] : NULL, OFPMC13_DELETE);
+}
+
+static void
+ofctl_dump_meters(struct ovs_cmdl_context *ctx)
+{
+ ofctl_meter_request__(ctx->argv[1], ctx->argc > 2 ? ctx->argv[2] : NULL,
+ OFPUTIL_METER_CONFIG);
+}
+
+static void
+ofctl_meter_stats(struct ovs_cmdl_context *ctx)
+{
+ ofctl_meter_request__(ctx->argv[1], ctx->argc > 2 ? ctx->argv[2] : NULL,
+ OFPUTIL_METER_STATS);
+}
+
+static void
+ofctl_meter_features(struct ovs_cmdl_context *ctx)
+{
+ ofctl_meter_request__(ctx->argv[1], NULL, OFPUTIL_METER_FEATURES);
+}
+
\f
/* Undocumented commands for unit testing. */
static void
-do_parse_flows__(struct ofputil_flow_mod *fms, size_t n_fms)
+ofctl_parse_flows__(struct ofputil_flow_mod *fms, size_t n_fms,
+ enum ofputil_protocol usable_protocols)
{
- enum ofputil_protocol usable_protocols;
enum ofputil_protocol protocol = 0;
char *usable_s;
size_t i;
- usable_protocols = ofputil_flow_mod_usable_protocols(fms, n_fms);
usable_s = ofputil_protocols_to_string(usable_protocols);
printf("usable protocols: %s\n", usable_s);
free(usable_s);
break;
}
}
- assert(IS_POW2(protocol));
+ ovs_assert(is_pow2(protocol));
printf("chosen protocol: %s\n", ofputil_protocol_to_string(protocol));
ofp_print(stdout, msg->data, msg->size, verbosity);
ofpbuf_delete(msg);
- free(fm->actions);
+ free(CONST_CAST(struct ofpact *, fm->ofpacts));
}
}
/* "parse-flow FLOW": parses the argument as a flow (like add-flow) and prints
* it back to stdout. */
static void
-do_parse_flow(int argc OVS_UNUSED, char *argv[])
+ofctl_parse_flow(struct ovs_cmdl_context *ctx)
{
+ enum ofputil_protocol usable_protocols;
struct ofputil_flow_mod fm;
+ char *error;
- parse_ofp_flow_mod_str(&fm, argv[1], OFPFC_ADD, false);
- do_parse_flows__(&fm, 1);
+ error = parse_ofp_flow_mod_str(&fm, ctx->argv[1], OFPFC_ADD, &usable_protocols);
+ if (error) {
+ ovs_fatal(0, "%s", error);
+ }
+ ofctl_parse_flows__(&fm, 1, usable_protocols);
}
/* "parse-flows FILENAME": reads the named file as a sequence of flows (like
* add-flows) and prints each of the flows back to stdout. */
static void
-do_parse_flows(int argc OVS_UNUSED, char *argv[])
+ofctl_parse_flows(struct ovs_cmdl_context *ctx)
{
+ enum ofputil_protocol usable_protocols;
struct ofputil_flow_mod *fms = NULL;
size_t n_fms = 0;
+ char *error;
- parse_ofp_flow_mod_file(argv[1], OFPFC_ADD, &fms, &n_fms);
- do_parse_flows__(fms, n_fms);
+ error = parse_ofp_flow_mod_file(ctx->argv[1], OFPFC_ADD, &fms, &n_fms,
+ &usable_protocols);
+ if (error) {
+ ovs_fatal(0, "%s", error);
+ }
+ ofctl_parse_flows__(fms, n_fms, usable_protocols);
free(fms);
}
-/* "parse-nx-match": reads a series of nx_match specifications as strings from
- * stdin, does some internal fussing with them, and then prints them back as
- * strings on stdout. */
static void
-do_parse_nx_match(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
+ofctl_parse_nxm__(bool oxm, enum ofp_version version)
{
struct ds in;
ds_init(&in);
- while (!ds_get_line(&in, stdin)) {
+ while (!ds_get_test_line(&in, stdin)) {
struct ofpbuf nx_match;
- struct cls_rule rule;
+ struct match match;
ovs_be64 cookie, cookie_mask;
enum ofperr error;
int match_len;
- char *s;
-
- /* Delete comments, skip blank lines. */
- s = ds_cstr(&in);
- if (*s == '#') {
- puts(s);
- continue;
- }
- if (strchr(s, '#')) {
- *strchr(s, '#') = '\0';
- }
- if (s[strspn(s, " ")] == '\0') {
- putchar('\n');
- continue;
- }
/* Convert string to nx_match. */
ofpbuf_init(&nx_match, 0);
- match_len = nx_match_from_string(ds_cstr(&in), &nx_match);
+ if (oxm) {
+ match_len = oxm_match_from_string(ds_cstr(&in), &nx_match);
+ } else {
+ match_len = nx_match_from_string(ds_cstr(&in), &nx_match);
+ }
- /* Convert nx_match to cls_rule. */
+ /* Convert nx_match to match. */
if (strict) {
- error = nx_pull_match(&nx_match, match_len, 0, &rule,
- &cookie, &cookie_mask);
+ if (oxm) {
+ error = oxm_pull_match(&nx_match, &match);
+ } else {
+ error = nx_pull_match(&nx_match, match_len, &match,
+ &cookie, &cookie_mask);
+ }
} else {
- error = nx_pull_match_loose(&nx_match, match_len, 0, &rule,
- &cookie, &cookie_mask);
+ if (oxm) {
+ error = oxm_pull_match_loose(&nx_match, &match);
+ } else {
+ error = nx_pull_match_loose(&nx_match, match_len, &match,
+ &cookie, &cookie_mask);
+ }
}
+
if (!error) {
char *out;
- /* Convert cls_rule back to nx_match. */
+ /* Convert match back to nx_match. */
ofpbuf_uninit(&nx_match);
ofpbuf_init(&nx_match, 0);
- match_len = nx_put_match(&nx_match, &rule, cookie, cookie_mask);
+ if (oxm) {
+ match_len = oxm_put_match(&nx_match, &match, version);
+ out = oxm_match_to_string(&nx_match, match_len);
+ } else {
+ match_len = nx_put_match(&nx_match, &match,
+ cookie, cookie_mask);
+ out = nx_match_to_string(nx_match.data, match_len);
+ }
- /* Convert nx_match to string. */
- out = nx_match_to_string(nx_match.data, match_len);
puts(out);
free(out);
+
+ if (verbosity > 0) {
+ ovs_hex_dump(stdout, nx_match.data, nx_match.size, 0, false);
+ }
} else {
printf("nx_pull_match() returned error %s\n",
ofperr_get_name(error));
ds_destroy(&in);
}
+/* "parse-nxm": reads a series of NXM nx_match specifications as strings from
+ * stdin, does some internal fussing with them, and then prints them back as
+ * strings on stdout. */
+static void
+ofctl_parse_nxm(struct ovs_cmdl_context *ctx OVS_UNUSED)
+{
+ ofctl_parse_nxm__(false, 0);
+}
+
+/* "parse-oxm VERSION": reads a series of OXM nx_match specifications as
+ * strings from stdin, does some internal fussing with them, and then prints
+ * them back as strings on stdout. VERSION must specify an OpenFlow version,
+ * e.g. "OpenFlow12". */
+static void
+ofctl_parse_oxm(struct ovs_cmdl_context *ctx)
+{
+ enum ofp_version version = ofputil_version_from_string(ctx->argv[1]);
+ if (version < OFP12_VERSION) {
+ ovs_fatal(0, "%s: not a valid version for OXM", ctx->argv[1]);
+ }
+
+ ofctl_parse_nxm__(true, version);
+}
+
+static void
+print_differences(const char *prefix,
+ const void *a_, size_t a_len,
+ const void *b_, size_t b_len)
+{
+ const uint8_t *a = a_;
+ const uint8_t *b = b_;
+ size_t i;
+
+ for (i = 0; i < MIN(a_len, b_len); i++) {
+ if (a[i] != b[i]) {
+ 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%2"PRIuSIZE": (none) -> %02"PRIx8"\n", prefix, i, b[i]);
+ }
+ for (i = b_len; i < a_len; i++) {
+ printf("%s%2"PRIuSIZE": %02"PRIx8" -> (none)\n", prefix, i, a[i]);
+ }
+}
+
+static void
+ofctl_parse_actions__(const char *version_s, bool instructions)
+{
+ enum ofp_version version;
+ struct ds in;
+
+ version = ofputil_version_from_string(version_s);
+ if (!version) {
+ ovs_fatal(0, "%s: not a valid OpenFlow version", version_s);
+ }
+
+ ds_init(&in);
+ while (!ds_get_preprocessed_line(&in, stdin, NULL)) {
+ struct ofpbuf of_out;
+ struct ofpbuf of_in;
+ struct ofpbuf ofpacts;
+ const char *table_id;
+ char *actions;
+ enum ofperr error;
+ size_t size;
+ struct ds s;
+
+ /* Parse table_id separated with the follow-up actions by ",", if
+ * any. */
+ actions = ds_cstr(&in);
+ table_id = NULL;
+ if (strstr(actions, ",")) {
+ table_id = strsep(&actions, ",");
+ }
+
+ /* Parse hex bytes. */
+ ofpbuf_init(&of_in, 0);
+ if (ofpbuf_put_hex(&of_in, actions, NULL)[0] != '\0') {
+ ovs_fatal(0, "Trailing garbage in hex data");
+ }
+
+ /* Convert to ofpacts. */
+ ofpbuf_init(&ofpacts, 0);
+ size = of_in.size;
+ error = (instructions
+ ? ofpacts_pull_openflow_instructions
+ : ofpacts_pull_openflow_actions)(
+ &of_in, of_in.size, version, &ofpacts);
+ if (!error && instructions) {
+ /* Verify actions, enforce consistency. */
+ enum ofputil_protocol protocol;
+ struct flow flow;
+
+ memset(&flow, 0, sizeof flow);
+ protocol = ofputil_protocols_from_ofp_version(version);
+ error = ofpacts_check_consistency(ofpacts.data, ofpacts.size,
+ &flow, OFPP_MAX,
+ table_id ? atoi(table_id) : 0,
+ OFPTT_MAX + 1, protocol);
+ }
+ if (error) {
+ printf("bad %s %s: %s\n\n",
+ version_s, instructions ? "instructions" : "actions",
+ ofperr_get_name(error));
+ ofpbuf_uninit(&ofpacts);
+ ofpbuf_uninit(&of_in);
+ continue;
+ }
+ ofpbuf_push_uninit(&of_in, size);
+
+ /* Print cls_rule. */
+ ds_init(&s);
+ ds_put_cstr(&s, "actions=");
+ ofpacts_format(ofpacts.data, ofpacts.size, &s);
+ puts(ds_cstr(&s));
+ ds_destroy(&s);
+
+ /* Convert back to ofp10 actions and print differences from input. */
+ ofpbuf_init(&of_out, 0);
+ if (instructions) {
+ ofpacts_put_openflow_instructions(ofpacts.data, ofpacts.size,
+ &of_out, version);
+ } else {
+ ofpacts_put_openflow_actions(ofpacts.data, ofpacts.size,
+ &of_out, version);
+ }
+
+ print_differences("", of_in.data, of_in.size,
+ of_out.data, of_out.size);
+ putchar('\n');
+
+ ofpbuf_uninit(&ofpacts);
+ ofpbuf_uninit(&of_in);
+ ofpbuf_uninit(&of_out);
+ }
+ ds_destroy(&in);
+}
+
+/* "parse-actions VERSION": reads a series of action specifications for the
+ * given OpenFlow VERSION as hex bytes from stdin, converts them to ofpacts,
+ * prints them as strings on stdout, and then converts them back to hex bytes
+ * and prints any differences from the input. */
+static void
+ofctl_parse_actions(struct ovs_cmdl_context *ctx)
+{
+ ofctl_parse_actions__(ctx->argv[1], false);
+}
+
+/* "parse-actions VERSION": reads a series of instruction specifications for
+ * the given OpenFlow VERSION as hex bytes from stdin, converts them to
+ * ofpacts, prints them as strings on stdout, and then converts them back to
+ * hex bytes and prints any differences from the input. */
+static void
+ofctl_parse_instructions(struct ovs_cmdl_context *ctx)
+{
+ ofctl_parse_actions__(ctx->argv[1], true);
+}
+
+/* "parse-ofp10-match": reads a series of ofp10_match specifications as hex
+ * bytes from stdin, converts them to cls_rules, prints them as strings on
+ * stdout, and then converts them back to hex bytes and prints any differences
+ * from the input.
+ *
+ * The input hex bytes may contain "x"s to represent "don't-cares", bytes whose
+ * values are ignored in the input and will be set to zero when OVS converts
+ * them back to hex bytes. ovs-ofctl actually sets "x"s to random bits when
+ * it does the conversion to hex, to ensure that in fact they are ignored. */
+static void
+ofctl_parse_ofp10_match(struct ovs_cmdl_context *ctx OVS_UNUSED)
+{
+ struct ds expout;
+ struct ds in;
+
+ ds_init(&in);
+ ds_init(&expout);
+ while (!ds_get_preprocessed_line(&in, stdin, NULL)) {
+ struct ofpbuf match_in, match_expout;
+ struct ofp10_match match_out;
+ struct ofp10_match match_normal;
+ struct match match;
+ char *p;
+
+ /* Parse hex bytes to use for expected output. */
+ ds_clear(&expout);
+ ds_put_cstr(&expout, ds_cstr(&in));
+ for (p = ds_cstr(&expout); *p; p++) {
+ if (*p == 'x') {
+ *p = '0';
+ }
+ }
+ ofpbuf_init(&match_expout, 0);
+ if (ofpbuf_put_hex(&match_expout, ds_cstr(&expout), NULL)[0] != '\0') {
+ ovs_fatal(0, "Trailing garbage in hex data");
+ }
+ if (match_expout.size != sizeof(struct ofp10_match)) {
+ ovs_fatal(0, "Input is %"PRIu32" bytes, expected %"PRIuSIZE,
+ match_expout.size, sizeof(struct ofp10_match));
+ }
+
+ /* Parse hex bytes for input. */
+ for (p = ds_cstr(&in); *p; p++) {
+ if (*p == 'x') {
+ *p = "0123456789abcdef"[random_uint32() & 0xf];
+ }
+ }
+ ofpbuf_init(&match_in, 0);
+ if (ofpbuf_put_hex(&match_in, ds_cstr(&in), NULL)[0] != '\0') {
+ ovs_fatal(0, "Trailing garbage in hex data");
+ }
+ if (match_in.size != sizeof(struct ofp10_match)) {
+ ovs_fatal(0, "Input is %"PRIu32" bytes, expected %"PRIuSIZE,
+ match_in.size, sizeof(struct ofp10_match));
+ }
+
+ /* Convert to cls_rule and print. */
+ ofputil_match_from_ofp10_match(match_in.data, &match);
+ match_print(&match);
+
+ /* Convert back to ofp10_match and print differences from input. */
+ ofputil_match_to_ofp10_match(&match, &match_out);
+ print_differences("", match_expout.data, match_expout.size,
+ &match_out, sizeof match_out);
+
+ /* Normalize, then convert and compare again. */
+ ofputil_normalize_match(&match);
+ ofputil_match_to_ofp10_match(&match, &match_normal);
+ print_differences("normal: ", &match_out, sizeof match_out,
+ &match_normal, sizeof match_normal);
+ putchar('\n');
+
+ ofpbuf_uninit(&match_in);
+ ofpbuf_uninit(&match_expout);
+ }
+ ds_destroy(&in);
+ ds_destroy(&expout);
+}
+
+/* "parse-ofp11-match": reads a series of ofp11_match specifications as hex
+ * bytes from stdin, converts them to "struct match"es, prints them as strings
+ * on stdout, and then converts them back to hex bytes and prints any
+ * differences from the input. */
+static void
+ofctl_parse_ofp11_match(struct ovs_cmdl_context *ctx OVS_UNUSED)
+{
+ struct ds in;
+
+ ds_init(&in);
+ while (!ds_get_preprocessed_line(&in, stdin, NULL)) {
+ struct ofpbuf match_in;
+ struct ofp11_match match_out;
+ struct match match;
+ enum ofperr error;
+
+ /* Parse hex bytes. */
+ ofpbuf_init(&match_in, 0);
+ if (ofpbuf_put_hex(&match_in, ds_cstr(&in), NULL)[0] != '\0') {
+ ovs_fatal(0, "Trailing garbage in hex data");
+ }
+ if (match_in.size != sizeof(struct ofp11_match)) {
+ ovs_fatal(0, "Input is %"PRIu32" bytes, expected %"PRIuSIZE,
+ match_in.size, sizeof(struct ofp11_match));
+ }
+
+ /* Convert to match. */
+ error = ofputil_match_from_ofp11_match(match_in.data, &match);
+ if (error) {
+ printf("bad ofp11_match: %s\n\n", ofperr_get_name(error));
+ ofpbuf_uninit(&match_in);
+ continue;
+ }
+
+ /* Print match. */
+ match_print(&match);
+
+ /* Convert back to ofp11_match and print differences from input. */
+ ofputil_match_to_ofp11_match(&match, &match_out);
+
+ print_differences("", match_in.data, match_in.size,
+ &match_out, sizeof match_out);
+ putchar('\n');
+
+ ofpbuf_uninit(&match_in);
+ }
+ ds_destroy(&in);
+}
+
+/* "parse-pcap PCAP": read packets from PCAP and print their flows. */
+static void
+ofctl_parse_pcap(struct ovs_cmdl_context *ctx)
+{
+ FILE *pcap;
+
+ pcap = ovs_pcap_open(ctx->argv[1], "rb");
+ if (!pcap) {
+ ovs_fatal(errno, "%s: open failed", ctx->argv[1]);
+ }
+
+ for (;;) {
+ struct dp_packet *packet;
+ struct flow flow;
+ int error;
+
+ error = ovs_pcap_read(pcap, &packet, NULL);
+ if (error == EOF) {
+ break;
+ } else if (error) {
+ ovs_fatal(error, "%s: read failed", ctx->argv[1]);
+ }
+
+ pkt_metadata_init(&packet->md, ODPP_NONE);
+ flow_extract(packet, &flow);
+ flow_print(stdout, &flow);
+ putchar('\n');
+ dp_packet_delete(packet);
+ }
+}
+
+/* "check-vlan VLAN_TCI VLAN_TCI_MASK": converts the specified vlan_tci and
+ * mask values to and from various formats and prints the results. */
+static void
+ofctl_check_vlan(struct ovs_cmdl_context *ctx)
+{
+ struct match match;
+
+ char *string_s;
+ struct ofputil_flow_mod fm;
+
+ struct ofpbuf nxm;
+ struct match nxm_match;
+ int nxm_match_len;
+ char *nxm_s;
+
+ struct ofp10_match of10_raw;
+ struct match of10_match;
+
+ struct ofp11_match of11_raw;
+ struct match of11_match;
+
+ enum ofperr error;
+ char *error_s;
+
+ enum ofputil_protocol usable_protocols; /* Unused for now. */
+
+ match_init_catchall(&match);
+ match.flow.vlan_tci = htons(strtoul(ctx->argv[1], NULL, 16));
+ match.wc.masks.vlan_tci = htons(strtoul(ctx->argv[2], NULL, 16));
+
+ /* Convert to and from string. */
+ string_s = match_to_string(&match, OFP_DEFAULT_PRIORITY);
+ printf("%s -> ", string_s);
+ fflush(stdout);
+ error_s = parse_ofp_str(&fm, -1, string_s, &usable_protocols);
+ if (error_s) {
+ ovs_fatal(0, "%s", error_s);
+ }
+ printf("%04"PRIx16"/%04"PRIx16"\n",
+ ntohs(fm.match.flow.vlan_tci),
+ ntohs(fm.match.wc.masks.vlan_tci));
+ free(string_s);
+
+ /* Convert to and from NXM. */
+ ofpbuf_init(&nxm, 0);
+ nxm_match_len = nx_put_match(&nxm, &match, htonll(0), htonll(0));
+ nxm_s = nx_match_to_string(nxm.data, nxm_match_len);
+ error = nx_pull_match(&nxm, nxm_match_len, &nxm_match, NULL, NULL);
+ printf("NXM: %s -> ", nxm_s);
+ if (error) {
+ printf("%s\n", ofperr_to_string(error));
+ } else {
+ printf("%04"PRIx16"/%04"PRIx16"\n",
+ ntohs(nxm_match.flow.vlan_tci),
+ ntohs(nxm_match.wc.masks.vlan_tci));
+ }
+ free(nxm_s);
+ ofpbuf_uninit(&nxm);
+
+ /* Convert to and from OXM. */
+ ofpbuf_init(&nxm, 0);
+ nxm_match_len = oxm_put_match(&nxm, &match, OFP12_VERSION);
+ nxm_s = oxm_match_to_string(&nxm, nxm_match_len);
+ error = oxm_pull_match(&nxm, &nxm_match);
+ printf("OXM: %s -> ", nxm_s);
+ if (error) {
+ printf("%s\n", ofperr_to_string(error));
+ } else {
+ uint16_t vid = ntohs(nxm_match.flow.vlan_tci) &
+ (VLAN_VID_MASK | VLAN_CFI);
+ uint16_t mask = ntohs(nxm_match.wc.masks.vlan_tci) &
+ (VLAN_VID_MASK | VLAN_CFI);
+
+ printf("%04"PRIx16"/%04"PRIx16",", vid, mask);
+ if (vid && vlan_tci_to_pcp(nxm_match.wc.masks.vlan_tci)) {
+ printf("%02"PRIx8"\n", vlan_tci_to_pcp(nxm_match.flow.vlan_tci));
+ } else {
+ printf("--\n");
+ }
+ }
+ free(nxm_s);
+ ofpbuf_uninit(&nxm);
+
+ /* Convert to and from OpenFlow 1.0. */
+ ofputil_match_to_ofp10_match(&match, &of10_raw);
+ ofputil_match_from_ofp10_match(&of10_raw, &of10_match);
+ printf("OF1.0: %04"PRIx16"/%d,%02"PRIx8"/%d -> %04"PRIx16"/%04"PRIx16"\n",
+ ntohs(of10_raw.dl_vlan),
+ (of10_raw.wildcards & htonl(OFPFW10_DL_VLAN)) != 0,
+ of10_raw.dl_vlan_pcp,
+ (of10_raw.wildcards & htonl(OFPFW10_DL_VLAN_PCP)) != 0,
+ ntohs(of10_match.flow.vlan_tci),
+ ntohs(of10_match.wc.masks.vlan_tci));
+
+ /* Convert to and from OpenFlow 1.1. */
+ ofputil_match_to_ofp11_match(&match, &of11_raw);
+ ofputil_match_from_ofp11_match(&of11_raw, &of11_match);
+ printf("OF1.1: %04"PRIx16"/%d,%02"PRIx8"/%d -> %04"PRIx16"/%04"PRIx16"\n",
+ ntohs(of11_raw.dl_vlan),
+ (of11_raw.wildcards & htonl(OFPFW11_DL_VLAN)) != 0,
+ of11_raw.dl_vlan_pcp,
+ (of11_raw.wildcards & htonl(OFPFW11_DL_VLAN_PCP)) != 0,
+ ntohs(of11_match.flow.vlan_tci),
+ ntohs(of11_match.wc.masks.vlan_tci));
+}
+
+/* "print-error ENUM": Prints the type and code of ENUM for every OpenFlow
+ * version. */
+static void
+ofctl_print_error(struct ovs_cmdl_context *ctx)
+{
+ enum ofperr error;
+ int version;
+
+ error = ofperr_from_name(ctx->argv[1]);
+ if (!error) {
+ ovs_fatal(0, "unknown error \"%s\"", ctx->argv[1]);
+ }
+
+ for (version = 0; version <= UINT8_MAX; version++) {
+ const char *name = ofperr_domain_get_name(version);
+ if (name) {
+ int vendor = ofperr_get_vendor(error, version);
+ int type = ofperr_get_type(error, version);
+ int code = ofperr_get_code(error, version);
+
+ if (vendor != -1 || type != -1 || code != -1) {
+ printf("%s: vendor %#x, type %d, code %d\n",
+ name, vendor, type, code);
+ }
+ }
+ }
+}
+
+/* "encode-error-reply ENUM REQUEST": Encodes an error reply to REQUEST for the
+ * error named ENUM and prints the error reply in hex. */
+static void
+ofctl_encode_error_reply(struct ovs_cmdl_context *ctx)
+{
+ const struct ofp_header *oh;
+ struct ofpbuf request, *reply;
+ enum ofperr error;
+
+ error = ofperr_from_name(ctx->argv[1]);
+ if (!error) {
+ ovs_fatal(0, "unknown error \"%s\"", ctx->argv[1]);
+ }
+
+ ofpbuf_init(&request, 0);
+ if (ofpbuf_put_hex(&request, ctx->argv[2], NULL)[0] != '\0') {
+ ovs_fatal(0, "Trailing garbage in hex data");
+ }
+ if (request.size < sizeof(struct ofp_header)) {
+ ovs_fatal(0, "Request too short");
+ }
+
+ oh = request.data;
+ if (request.size != ntohs(oh->length)) {
+ ovs_fatal(0, "Request size inconsistent");
+ }
+
+ reply = ofperr_encode_reply(error, request.data);
+ ofpbuf_uninit(&request);
+
+ ovs_hex_dump(stdout, reply->data, reply->size, 0, false);
+ ofpbuf_delete(reply);
+}
+
/* "ofp-print HEXSTRING [VERBOSITY]": Converts the hex digits in HEXSTRING into
* binary data, interpreting them as an OpenFlow message, and prints the
- * OpenFlow message on stdout, at VERBOSITY (level 2 by default). */
+ * OpenFlow message on stdout, at VERBOSITY (level 2 by default).
+ *
+ * Alternative usage: "ofp-print [VERBOSITY] - < HEXSTRING_FILE", where
+ * HEXSTRING_FILE contains the HEXSTRING. */
static void
-do_ofp_print(int argc, char *argv[])
+ofctl_ofp_print(struct ovs_cmdl_context *ctx)
{
struct ofpbuf packet;
+ char *buffer;
+ int verbosity = 2;
+ struct ds line;
+
+ ds_init(&line);
+
+ if (!strcmp(ctx->argv[ctx->argc-1], "-")) {
+ if (ds_get_line(&line, stdin)) {
+ VLOG_FATAL("Failed to read stdin");
+ }
- ofpbuf_init(&packet, strlen(argv[1]) / 2);
- if (ofpbuf_put_hex(&packet, argv[1], NULL)[0] != '\0') {
+ buffer = line.string;
+ verbosity = ctx->argc > 2 ? atoi(ctx->argv[1]) : verbosity;
+ } else if (ctx->argc > 2) {
+ buffer = ctx->argv[1];
+ verbosity = atoi(ctx->argv[2]);
+ } else {
+ buffer = ctx->argv[1];
+ }
+
+ ofpbuf_init(&packet, strlen(buffer) / 2);
+ if (ofpbuf_put_hex(&packet, buffer, NULL)[0] != '\0') {
ovs_fatal(0, "trailing garbage following hex bytes");
}
- ofp_print(stdout, packet.data, packet.size, argc > 2 ? atoi(argv[2]) : 2);
+ ofp_print(stdout, packet.data, packet.size, verbosity);
ofpbuf_uninit(&packet);
+ ds_destroy(&line);
}
-static const struct command all_commands[] = {
- { "show", 1, 1, do_show },
- { "monitor", 1, 3, do_monitor },
- { "snoop", 1, 1, do_snoop },
- { "dump-desc", 1, 1, do_dump_desc },
- { "dump-tables", 1, 1, do_dump_tables },
- { "dump-flows", 1, 2, do_dump_flows },
- { "dump-aggregate", 1, 2, do_dump_aggregate },
- { "queue-stats", 1, 3, do_queue_stats },
- { "add-flow", 2, 2, do_add_flow },
- { "add-flows", 2, 2, do_add_flows },
- { "mod-flows", 2, 2, do_mod_flows },
- { "del-flows", 1, 2, do_del_flows },
- { "replace-flows", 2, 2, do_replace_flows },
- { "diff-flows", 2, 2, do_diff_flows },
- { "packet-out", 4, INT_MAX, do_packet_out },
- { "dump-ports", 1, 2, do_dump_ports },
- { "mod-port", 3, 3, do_mod_port },
- { "get-frags", 1, 1, do_get_frags },
- { "set-frags", 2, 2, do_set_frags },
- { "probe", 1, 1, do_probe },
- { "ping", 1, 2, do_ping },
- { "benchmark", 3, 3, do_benchmark },
- { "help", 0, INT_MAX, do_help },
+/* "encode-hello BITMAP...": Encodes each BITMAP as an OpenFlow hello message
+ * and dumps each message in hex. */
+static void
+ofctl_encode_hello(struct ovs_cmdl_context *ctx)
+{
+ uint32_t bitmap = strtol(ctx->argv[1], NULL, 0);
+ struct ofpbuf *hello;
+
+ hello = ofputil_encode_hello(bitmap);
+ ovs_hex_dump(stdout, hello->data, hello->size, 0, false);
+ ofp_print(stdout, hello->data, hello->size, verbosity);
+ ofpbuf_delete(hello);
+}
+
+static const struct ovs_cmdl_command all_commands[] = {
+ { "show", "switch",
+ 1, 1, ofctl_show },
+ { "monitor", "switch [misslen] [invalid_ttl] [watch:[...]]",
+ 1, 3, ofctl_monitor },
+ { "snoop", "switch",
+ 1, 1, ofctl_snoop },
+ { "dump-desc", "switch",
+ 1, 1, ofctl_dump_desc },
+ { "dump-tables", "switch",
+ 1, 1, ofctl_dump_tables },
+ { "dump-table-features", "switch",
+ 1, 1, ofctl_dump_table_features },
+ { "dump-table-desc", "switch",
+ 1, 1, ofctl_dump_table_desc },
+ { "dump-flows", "switch",
+ 1, 2, ofctl_dump_flows },
+ { "dump-aggregate", "switch",
+ 1, 2, ofctl_dump_aggregate },
+ { "queue-stats", "switch [port [queue]]",
+ 1, 3, ofctl_queue_stats },
+ { "queue-get-config", "switch [port [queue]]",
+ 1, 3, ofctl_queue_get_config },
+ { "add-flow", "switch flow",
+ 2, 2, ofctl_add_flow },
+ { "add-flows", "switch file",
+ 2, 2, ofctl_add_flows },
+ { "mod-flows", "switch flow",
+ 2, 2, ofctl_mod_flows },
+ { "del-flows", "switch [flow]",
+ 1, 2, ofctl_del_flows },
+ { "replace-flows", "switch file",
+ 2, 2, ofctl_replace_flows },
+ { "diff-flows", "source1 source2",
+ 2, 2, ofctl_diff_flows },
+ { "add-meter", "switch meter",
+ 2, 2, ofctl_add_meter },
+ { "mod-meter", "switch meter",
+ 2, 2, ofctl_mod_meter },
+ { "del-meter", "switch meter",
+ 2, 2, ofctl_del_meters },
+ { "del-meters", "switch",
+ 1, 1, ofctl_del_meters },
+ { "dump-meter", "switch meter",
+ 2, 2, ofctl_dump_meters },
+ { "dump-meters", "switch",
+ 1, 1, ofctl_dump_meters },
+ { "meter-stats", "switch [meter]",
+ 1, 2, ofctl_meter_stats },
+ { "meter-features", "switch",
+ 1, 1, ofctl_meter_features },
+ { "packet-out", "switch in_port actions packet...",
+ 4, INT_MAX, ofctl_packet_out },
+ { "dump-ports", "switch [port]",
+ 1, 2, ofctl_dump_ports },
+ { "dump-ports-desc", "switch [port]",
+ 1, 2, ofctl_dump_ports_desc },
+ { "mod-port", "switch iface act",
+ 3, 3, ofctl_mod_port },
+ { "mod-table", "switch mod",
+ 3, 3, ofctl_mod_table },
+ { "get-frags", "switch",
+ 1, 1, ofctl_get_frags },
+ { "set-frags", "switch frag_mode",
+ 2, 2, ofctl_set_frags },
+ { "probe", "target",
+ 1, 1, ofctl_probe },
+ { "ping", "target [n]",
+ 1, 2, ofctl_ping },
+ { "benchmark", "target n count",
+ 3, 3, ofctl_benchmark },
+
+ { "ofp-parse", "file",
+ 1, 1, ofctl_ofp_parse },
+ { "ofp-parse-pcap", "pcap",
+ 1, INT_MAX, ofctl_ofp_parse_pcap },
+
+ { "add-group", "switch group",
+ 1, 2, ofctl_add_group },
+ { "add-groups", "switch file",
+ 1, 2, ofctl_add_groups },
+ { "mod-group", "switch group",
+ 1, 2, ofctl_mod_group },
+ { "del-groups", "switch [group]",
+ 1, 2, ofctl_del_groups },
+ { "insert-buckets", "switch [group]",
+ 1, 2, ofctl_insert_bucket },
+ { "remove-buckets", "switch [group]",
+ 1, 2, ofctl_remove_bucket },
+ { "dump-groups", "switch [group]",
+ 1, 2, ofctl_dump_group_desc },
+ { "dump-group-stats", "switch [group]",
+ 1, 2, ofctl_dump_group_stats },
+ { "dump-group-features", "switch",
+ 1, 1, ofctl_dump_group_features },
+ { "add-tlv-map", "switch map",
+ 2, 2, ofctl_add_tlv_map },
+ { "del-tlv-map", "switch [map]",
+ 1, 2, ofctl_del_tlv_map },
+ { "dump-tlv-map", "switch",
+ 1, 1, ofctl_dump_tlv_map },
+ { "help", NULL, 0, INT_MAX, ofctl_help },
+ { "list-commands", NULL, 0, INT_MAX, ofctl_list_commands },
/* Undocumented commands for testing. */
- { "parse-flow", 1, 1, do_parse_flow },
- { "parse-flows", 1, 1, do_parse_flows },
- { "parse-nx-match", 0, 0, do_parse_nx_match },
- { "ofp-print", 1, 2, do_ofp_print },
-
- { NULL, 0, 0, NULL },
+ { "parse-flow", NULL, 1, 1, ofctl_parse_flow },
+ { "parse-flows", NULL, 1, 1, ofctl_parse_flows },
+ { "parse-nx-match", NULL, 0, 0, ofctl_parse_nxm },
+ { "parse-nxm", NULL, 0, 0, ofctl_parse_nxm },
+ { "parse-oxm", NULL, 1, 1, ofctl_parse_oxm },
+ { "parse-actions", NULL, 1, 1, ofctl_parse_actions },
+ { "parse-instructions", NULL, 1, 1, ofctl_parse_instructions },
+ { "parse-ofp10-match", NULL, 0, 0, ofctl_parse_ofp10_match },
+ { "parse-ofp11-match", NULL, 0, 0, ofctl_parse_ofp11_match },
+ { "parse-pcap", NULL, 1, 1, ofctl_parse_pcap },
+ { "check-vlan", NULL, 2, 2, ofctl_check_vlan },
+ { "print-error", NULL, 1, 1, ofctl_print_error },
+ { "encode-error-reply", NULL, 2, 2, ofctl_encode_error_reply },
+ { "ofp-print", NULL, 1, 2, ofctl_ofp_print },
+ { "encode-hello", NULL, 1, 1, ofctl_encode_hello },
+
+ { NULL, NULL, 0, 0, NULL },
};
+
+static const struct ovs_cmdl_command *get_all_commands(void)
+{
+ return all_commands;
+}
projects / cascardo / ovs.git / blobdiff