/*
- * Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013 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 <sys/socket.h>
#include <net/if.h>
#include <signal.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
+#include <fcntl.h>
#include <sys/stat.h>
#include <sys/time.h>
#include "byte-order.h"
#include "classifier.h"
#include "command-line.h"
+#include "daemon.h"
#include "compiler.h"
#include "dirs.h"
-#include "dpif.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 "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 "meta-flow.h"
+#include "sort.h"
VLOG_DEFINE_THIS_MODULE(ofctl);
-/* --strict: Use strict matching for flow mod commands? */
+/* --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.
+ */
static bool strict;
-/* -F, --flow-format: Flow format to use. Either one of NXFF_* to force a
- * particular flow format or -1 to let ovs-ofctl choose intelligently. */
-static int preferred_flow_format = -1;
+/* --readd: If true, on replace-flows, re-add even flows that have not changed
+ * (to reset flow counters). */
+static bool readd;
+
+/* -F, --flow-format: Allowed protocols. By default, any protocol is
+ * allowed. */
+static enum ofputil_protocol allowed_protocols = OFPUTIL_P_ANY;
+
+/* -P, --packet-in-format: Packet IN format to use in monitor and snoop
+ * commands. Either one of NXPIF_* to force a particular packet_in format, or
+ * -1 to let ovs-ofctl choose the default. */
+static int preferred_packet_in_format = -1;
/* -m, --more: Additional verbosity for ofp-print functions. */
static int verbosity;
-static const struct command all_commands[];
+/* --timestamp: Print a timestamp before each received packet on "monitor" and
+ * "snoop" command? */
+static bool timestamp;
+
+/* --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 command *get_all_commands(void);
static void usage(void) NO_RETURN;
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[])
{
set_program_name(argv[0]);
parse_options(argc, argv);
- signal(SIGPIPE, SIG_IGN);
- run_command(argc - optind, argv + optind, all_commands);
+ fatal_ignore_sigpipe();
+ run_command(argc - optind, argv + optind, 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[])
{
enum {
OPT_STRICT = UCHAR_MAX + 1,
+ OPT_READD,
+ OPT_TIMESTAMP,
+ OPT_SORT,
+ OPT_RSORT,
+ DAEMON_OPTION_ENUMS,
+ OFP_VERSION_OPTION_ENUMS,
VLOG_OPTION_ENUMS
};
- static struct option long_options[] = {
- {"timeout", required_argument, 0, 't'},
- {"strict", no_argument, 0, OPT_STRICT},
- {"flow-format", required_argument, 0, 'F'},
- {"more", no_argument, 0, 'm'},
- {"help", no_argument, 0, 'h'},
- {"version", no_argument, 0, 'V'},
+ static const struct option long_options[] = {
+ {"timeout", required_argument, NULL, 't'},
+ {"strict", no_argument, NULL, OPT_STRICT},
+ {"readd", no_argument, NULL, OPT_READD},
+ {"flow-format", required_argument, NULL, 'F'},
+ {"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},
+ {"help", no_argument, NULL, 'h'},
+ DAEMON_LONG_OPTIONS,
+ OFP_VERSION_LONG_OPTIONS,
VLOG_LONG_OPTIONS,
- STREAM_SSL_LONG_OPTIONS
- {0, 0, 0, 0},
+ STREAM_SSL_LONG_OPTIONS,
+ {NULL, 0, NULL, 0},
};
char *short_options = long_options_to_short_options(long_options);
+ uint32_t versions;
+ enum ofputil_protocol version_protocols;
for (;;) {
unsigned long int timeout;
break;
case 'F':
- preferred_flow_format = ofputil_flow_format_from_string(optarg);
- if (preferred_flow_format < 0) {
- ovs_fatal(0, "unknown flow format `%s'", optarg);
+ allowed_protocols = ofputil_protocols_from_string(optarg);
+ if (!allowed_protocols) {
+ ovs_fatal(0, "%s: invalid flow format(s)", optarg);
+ }
+ break;
+
+ case 'P':
+ preferred_packet_in_format =
+ ofputil_packet_in_format_from_string(optarg);
+ if (preferred_packet_in_format < 0) {
+ ovs_fatal(0, "unknown packet-in format `%s'", optarg);
}
break;
case 'h':
usage();
- case 'V':
- OVS_PRINT_VERSION(OFP_VERSION, OFP_VERSION);
- exit(EXIT_SUCCESS);
-
case OPT_STRICT:
strict = true;
break;
+ case OPT_READD:
+ readd = true;
+ break;
+
+ case OPT_TIMESTAMP:
+ timestamp = true;
+ break;
+
+ case OPT_SORT:
+ add_sort_criterion(SORT_ASC, optarg);
+ break;
+
+ case OPT_RSORT:
+ add_sort_criterion(SORT_DESC, 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);
+
+ 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
"usage: %s [OPTIONS] COMMAND [ARG...]\n"
"\nFor OpenFlow switches:\n"
" show SWITCH show OpenFlow information\n"
- " status SWITCH [KEY] report statistics (about KEY)\n"
" dump-desc SWITCH print switch description\n"
" dump-tables SWITCH print table stats\n"
+ " dump-table-features SWITCH print table features\n"
" mod-port SWITCH IFACE ACT modify port behavior\n"
+ " mod-table SWITCH MOD modify flow table behavior\n"
+ " get-frags SWITCH print fragment handling behavior\n"
+ " set-frags SWITCH FRAG_MODE set fragment handling behavior\n"
" dump-ports SWITCH [PORT] print port statistics\n"
+ " dump-ports-desc SWITCH 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"
" add-flows SWITCH FILE add flows from FILE\n"
" mod-flows SWITCH FLOW modify actions of matching FLOWs\n"
" del-flows SWITCH [FLOW] delete matching FLOWs\n"
- " monitor SWITCH [MISSLEN] print packets received from SWITCH\n"
+ " replace-flows SWITCH FILE replace flows with those in FILE\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] [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-group SWITCH FILE add group from FILE\n"
+ " mod-group SWITCH GROUP modify specific group\n"
+ " del-groups SWITCH [GROUP] delete matching GROUPs\n"
+ " dump-group-features SWITCH print group features\n"
+ " dump-groups SWITCH print group description\n"
+ " dump-group-stats SWITCH [GROUP] print group statistics\n"
+ " queue-get-config SWITCH PORT print queue information for port\n"
+ " add-meter SWITCH METER add meter described by METER\n"
+ " mod-meter SWITCH METER modify specific METER\n"
+ " del-meter SWITCH METER delete METER\n"
+ " 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"
"\nFor OpenFlow switches and controllers:\n"
- " probe VCONN probe whether VCONN is up\n"
- " ping VCONN [N] latency of N-byte echos\n"
- " benchmark VCONN N COUNT bandwidth of COUNT N-byte echos\n"
- "where each SWITCH is an active OpenFlow connection method.\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"
+ "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"
+ " --readd replace flows that haven't changed\n"
" -F, --flow-format=FORMAT force particular flow format\n"
+ " -P, --packet-in-format=FRMT force particular packet in format\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"
" -h, --help display this help message\n"
" -V, --version display version information\n");
exit(EXIT_SUCCESS);
}
+static void
+ofctl_exit(struct unixctl_conn *conn, int argc OVS_UNUSED,
+ const char *argv[] OVS_UNUSED, void *exiting_)
+{
+ bool *exiting = exiting_;
+ *exiting = true;
+ unixctl_command_reply(conn, NULL);
+}
+
static void run(int retval, const char *message, ...)
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;
- fprintf(stderr, "%s: ", program_name);
va_start(args, message);
- vfprintf(stderr, message, args);
- va_end(args);
- if (retval == EOF) {
- fputs(": unexpected end of file\n", stderr);
- } else {
- fprintf(stderr, ": %s\n", strerror(retval));
- }
-
- exit(EXIT_FAILURE);
+ ovs_fatal_valist(retval, message, 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;
}
-static void
-open_vconn__(const char *name, const char *default_suffix,
+enum open_target { MGMT, SNOOP };
+
+static enum ofputil_protocol
+open_vconn__(const char *name, enum open_target target,
struct vconn **vconnp)
{
- struct dpif *dpif;
- struct stat s;
- char *bridge_path, *datapath_name, *datapath_type;
+ const char *suffix = target == MGMT ? "mgmt" : "snoop";
+ char *datapath_name, *datapath_type, *socket_name;
+ enum ofputil_protocol protocol;
+ char *bridge_path;
+ int ofp_version;
+ int error;
+
+ bridge_path = xasprintf("%s/%s.%s", ovs_rundir(), name, suffix);
- bridge_path = xasprintf("%s/%s.%s", ovs_rundir(), name, default_suffix);
- dp_parse_name(name, &datapath_name, &datapath_type);
+ ofproto_parse_name(name, &datapath_name, &datapath_type);
+ socket_name = xasprintf("%s/%s.%s", ovs_rundir(), datapath_name, suffix);
+ free(datapath_name);
+ free(datapath_type);
- if (strstr(name, ":")) {
- run(vconn_open_block(name, OFP_VERSION, vconnp),
+ if (strchr(name, ':')) {
+ 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 (!dpif_open(datapath_name, datapath_type, &dpif)) {
- char dpif_name[IF_NAMESIZE + 1];
- char *socket_name;
-
- run(dpif_port_get_name(dpif, ODPP_LOCAL, dpif_name, sizeof dpif_name),
- "obtaining name of %s", dpif_name);
- dpif_close(dpif);
- if (strcmp(dpif_name, name)) {
- VLOG_DBG("datapath %s is named %s", name, dpif_name);
- }
-
- socket_name = xasprintf("%s/%s.%s",
- ovs_rundir(), dpif_name, default_suffix);
- if (stat(socket_name, &s)) {
- ovs_fatal(errno, "cannot connect to %s: stat failed on %s",
- name, socket_name);
- } else 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);
- free(socket_name);
+ } 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 valid connection method", name);
+ ovs_fatal(0, "%s is not a bridge or a socket", name);
+ }
+
+ if (target == SNOOP) {
+ vconn_set_recv_any_version(*vconnp);
}
- free(datapath_name);
- free(datapath_type);
free(bridge_path);
-}
+ free(socket_name);
-static void
-open_vconn(const char *name, struct vconn **vconnp)
-{
- return open_vconn__(name, "mgmt", vconnp);
+ 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) {
+ ovs_fatal(0, "%s: unsupported OpenFlow version 0x%02x",
+ name, ofp_version);
+ }
+ return protocol;
}
-static void *
-alloc_stats_request(size_t body_len, uint16_t type, struct ofpbuf **bufferp)
+static enum ofputil_protocol
+open_vconn(const char *name, struct vconn **vconnp)
{
- struct ofp_stats_request *rq;
- rq = make_openflow((offsetof(struct ofp_stats_request, body)
- + body_len), OFPT_STATS_REQUEST, bufferp);
- rq->type = htons(type);
- rq->flags = htons(0);
- return rq->body;
+ return open_vconn__(name, MGMT, vconnp);
}
static void
send_openflow_buffer(struct vconn *vconn, struct ofpbuf *buffer)
{
- update_openflow_length(buffer);
+ ofpmsg_update_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)
+dump_transaction(struct vconn *vconn, struct ofpbuf *request)
{
- struct vconn *vconn;
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);
+ ofpmsg_update_length(request);
+ run(vconn_transact(vconn, request, &reply), "talking to %s",
+ vconn_get_name(vconn));
+ ofp_print(stdout, ofpbuf_data(reply), ofpbuf_size(reply), 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);
+ struct vconn *vconn;
+
+ open_vconn(vconn_name, &vconn);
+ request = ofpraw_alloc(raw, vconn_get_version(vconn), 0);
+ dump_transaction(vconn, request);
+ vconn_close(vconn);
}
static void
-dump_stats_transaction(const char *vconn_name, struct ofpbuf *request)
+dump_stats_transaction(struct vconn *vconn, struct ofpbuf *request)
{
- ovs_be32 send_xid = ((struct ofp_header *) request->data)->xid;
- struct vconn *vconn;
+ const struct ofp_header *request_oh = ofpbuf_data(request);
+ ovs_be32 send_xid = request_oh->xid;
+ enum ofpraw request_raw;
+ enum ofpraw reply_raw;
bool done = false;
- open_vconn(vconn_name, &vconn);
+ ofpraw_decode_partial(&request_raw, ofpbuf_data(request), ofpbuf_size(request));
+ reply_raw = ofpraw_stats_request_to_reply(request_raw,
+ request_oh->version);
+
send_openflow_buffer(vconn, request);
while (!done) {
- uint32_t recv_xid;
+ 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;
+ recv_xid = ((struct ofp_header *) ofpbuf_data(reply))->xid;
if (send_xid == recv_xid) {
- struct ofp_stats_reply *osr;
+ enum ofpraw raw;
- ofp_print(stdout, reply->data, reply->size, verbosity + 1);
+ ofp_print(stdout, ofpbuf_data(reply), ofpbuf_size(reply), verbosity + 1);
- osr = ofpbuf_at(reply, 0, sizeof *osr);
- done = !osr || !(ntohs(osr->flags) & OFPSF_REPLY_MORE);
+ ofpraw_decode(&raw, ofpbuf_data(reply));
+ if (ofptype_from_ofpraw(raw) == OFPTYPE_ERROR) {
+ done = true;
+ } else if (raw == reply_raw) {
+ done = !ofpmp_more(ofpbuf_data(reply));
+ } else {
+ ovs_fatal(0, "received bad reply: %s",
+ ofp_to_string(ofpbuf_data(reply), ofpbuf_size(reply),
+ 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
-dump_trivial_stats_transaction(const char *vconn_name, uint8_t stats_type)
+dump_trivial_stats_transaction(const char *vconn_name, enum ofpraw raw)
{
struct ofpbuf *request;
- alloc_stats_request(0, stats_type, &request);
- dump_stats_transaction(vconn_name, request);
+ struct vconn *vconn;
+
+ open_vconn(vconn_name, &vconn);
+ request = ofpraw_alloc(raw, vconn_get_version(vconn), 0);
+ dump_stats_transaction(vconn, request);
+ vconn_close(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. */
+/* 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)
{
struct ofpbuf *request, *reply;
LIST_FOR_EACH (request, list_node, requests) {
- update_openflow_length(request);
+ ofpmsg_update_length(request);
}
run(vconn_transact_multiple_noreply(vconn, requests, &reply),
"talking to %s", vconn_get_name(vconn));
if (reply) {
- ofp_print(stderr, reply->data, reply->size, verbosity + 2);
+ ofp_print(stderr, ofpbuf_data(reply), ofpbuf_size(reply), verbosity + 2);
exit(1);
}
ofpbuf_delete(reply);
/* 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. */
+ * it and exits with an error.
+ *
+ * Destroys 'request'. */
static void
transact_noreply(struct vconn *vconn, struct ofpbuf *request)
{
}
static void
-do_show(int argc OVS_UNUSED, char *argv[])
+fetch_switch_config(struct vconn *vconn, struct ofp_switch_config *config_)
+{
+ struct ofp_switch_config *config;
+ struct ofpbuf *request;
+ struct ofpbuf *reply;
+ enum ofptype type;
+
+ 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));
+
+ if (ofptype_pull(&type, reply) || type != OFPTYPE_GET_CONFIG_REPLY) {
+ ovs_fatal(0, "%s: bad reply to config request", vconn_get_name(vconn));
+ }
+
+ config = ofpbuf_pull(reply, sizeof *config);
+ *config_ = *config;
+
+ ofpbuf_delete(reply);
+}
+
+static void
+set_switch_config(struct vconn *vconn, const struct ofp_switch_config *config)
{
- dump_trivial_transaction(argv[1], OFPT_FEATURES_REQUEST);
- dump_trivial_transaction(argv[1], OFPT_GET_CONFIG_REQUEST);
+ struct ofpbuf *request;
+
+ request = ofpraw_alloc(OFPRAW_OFPT_SET_CONFIG, vconn_get_version(vconn), 0);
+ ofpbuf_put(request, config, sizeof *config);
+
+ transact_noreply(vconn, request);
}
static void
-do_status(int argc, char *argv[])
+ofctl_show(int argc OVS_UNUSED, char *argv[])
{
- struct nicira_header *request, *reply;
+ const char *vconn_name = argv[1];
struct vconn *vconn;
- struct ofpbuf *b;
+ struct ofpbuf *request;
+ struct ofpbuf *reply;
+ bool trunc;
- request = make_nxmsg(sizeof *request, NXT_STATUS_REQUEST, &b);
- if (argc > 2) {
- ofpbuf_put(b, argv[2], strlen(argv[2]));
- update_openflow_length(b);
- }
- open_vconn(argv[1], &vconn);
- run(vconn_transact(vconn, b, &b), "talking to %s", argv[1]);
- vconn_close(vconn);
+ open_vconn(vconn_name, &vconn);
+ request = ofpraw_alloc(OFPRAW_OFPT_FEATURES_REQUEST,
+ vconn_get_version(vconn), 0);
+ run(vconn_transact(vconn, request, &reply), "talking to %s", vconn_name);
- if (b->size < sizeof *reply) {
- ovs_fatal(0, "short reply (%zu bytes)", b->size);
- }
- reply = b->data;
- if (reply->header.type != OFPT_VENDOR
- || reply->vendor != ntohl(NX_VENDOR_ID)
- || reply->subtype != ntohl(NXT_STATUS_REPLY)) {
- ofp_print(stderr, b->data, b->size, verbosity + 2);
- ovs_fatal(0, "bad reply");
- }
+ trunc = ofputil_switch_features_ports_trunc(reply);
+ ofp_print(stdout, ofpbuf_data(reply), ofpbuf_size(reply), verbosity + 1);
+
+ ofpbuf_delete(reply);
- fwrite(reply + 1, b->size - sizeof *reply, 1, stdout);
+ if (trunc) {
+ /* The Features Reply may not contain all the ports, so send a
+ * Port Description stats request, which doesn't have size
+ * constraints. */
+ dump_trivial_stats_transaction(vconn_name,
+ OFPRAW_OFPST_PORT_DESC_REQUEST);
+ }
+ dump_trivial_transaction(vconn_name, OFPRAW_OFPT_GET_CONFIG_REQUEST);
+ vconn_close(vconn);
}
static void
-do_dump_desc(int argc OVS_UNUSED, char *argv[])
+ofctl_dump_desc(int argc OVS_UNUSED, char *argv[])
{
- dump_trivial_stats_transaction(argv[1], OFPST_DESC);
+ dump_trivial_stats_transaction(argv[1], OFPRAW_OFPST_DESC_REQUEST);
}
static void
-do_dump_tables(int argc OVS_UNUSED, char *argv[])
+ofctl_dump_tables(int argc OVS_UNUSED, char *argv[])
{
- dump_trivial_stats_transaction(argv[1], OFPST_TABLE);
+ dump_trivial_stats_transaction(argv[1], OFPRAW_OFPST_TABLE_REQUEST);
}
-/* Opens a connection to 'vconn_name', fetches the ofp_phy_port structure for
- * 'port_name' (which may be a port name or number), and copies it into
- * '*oppp'. */
static void
-fetch_ofp_phy_port(const char *vconn_name, const char *port_name,
- struct ofp_phy_port *oppp)
+ofctl_dump_table_features(int argc OVS_UNUSED, char *argv[])
{
- struct ofpbuf *request, *reply;
- struct ofp_switch_features *osf;
- unsigned int port_no;
+ struct ofpbuf *request;
struct vconn *vconn;
- int n_ports;
- int port_idx;
- /* Try to interpret the argument as a port number. */
- if (!str_to_uint(port_name, 10, &port_no)) {
- port_no = UINT_MAX;
+ open_vconn(argv[1], &vconn);
+ request = ofputil_encode_table_features_request(vconn_get_version(vconn));
+ if (request) {
+ dump_stats_transaction(vconn, request);
}
+ vconn_close(vconn);
+}
+
+static bool
+fetch_port_by_features(const char *vconn_name,
+ const char *port_name, ofp_port_t port_no,
+ struct ofputil_phy_port *pp, bool *trunc)
+{
+ struct ofputil_switch_features features;
+ const struct ofp_header *oh;
+ struct ofpbuf *request, *reply;
+ struct vconn *vconn;
+ enum ofperr error;
+ enum ofptype type;
+ struct ofpbuf b;
+ bool found = false;
+
/* Fetch the switch's ofp_switch_features. */
- make_openflow(sizeof(struct ofp_header), OFPT_FEATURES_REQUEST, &request);
open_vconn(vconn_name, &vconn);
+ request = ofpraw_alloc(OFPRAW_OFPT_FEATURES_REQUEST,
+ vconn_get_version(vconn), 0);
run(vconn_transact(vconn, request, &reply), "talking to %s", vconn_name);
+ vconn_close(vconn);
+
+ oh = ofpbuf_data(reply);
+ if (ofptype_decode(&type, ofpbuf_data(reply))
+ || type != OFPTYPE_FEATURES_REPLY) {
+ ovs_fatal(0, "%s: received bad features reply", 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);
+ *trunc = false;
+ if (ofputil_switch_features_ports_trunc(reply)) {
+ *trunc = true;
+ goto exit;
}
- 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];
+ error = ofputil_decode_switch_features(oh, &features, &b);
+ if (error) {
+ ovs_fatal(0, "%s: failed to decode features reply (%s)",
+ vconn_name, ofperr_to_string(error));
+ }
- 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;
+ while (!ofputil_pull_phy_port(oh->version, &b, pp)) {
+ if (port_no != OFPP_NONE
+ ? port_no == pp->port_no
+ : !strcmp(pp->name, port_name)) {
+ found = true;
+ goto exit;
}
}
- ovs_fatal(0, "%s: couldn't find port `%s'", vconn_name, port_name);
+
+exit:
+ ofpbuf_delete(reply);
+ return found;
}
-/* Returns the port number corresponding to 'port_name' (which may be a port
- * name or number) within the switch 'vconn_name'. */
-static uint16_t
-str_to_port_no(const char *vconn_name, const char *port_name)
+static bool
+fetch_port_by_stats(const char *vconn_name,
+ const char *port_name, ofp_port_t port_no,
+ struct ofputil_phy_port *pp)
{
- unsigned int port_no;
+ struct ofpbuf *request;
+ struct vconn *vconn;
+ ovs_be32 send_xid;
+ bool done = false;
+ bool found = false;
- if (str_to_uint(port_name, 10, &port_no)) {
- return port_no;
- } else {
- struct ofp_phy_port opp;
+ request = ofpraw_alloc(OFPRAW_OFPST_PORT_DESC_REQUEST, OFP10_VERSION, 0);
+ send_xid = ((struct ofp_header *) ofpbuf_data(request))->xid;
+
+ 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 *) ofpbuf_data(reply))->xid;
+ if (send_xid == recv_xid) {
+ struct ofp_header *oh = ofpbuf_data(reply);
+ enum ofptype type;
+ struct ofpbuf b;
+ uint16_t flags;
+
+ ofpbuf_use_const(&b, oh, ntohs(oh->length));
+ if (ofptype_pull(&type, &b)
+ || type != OFPTYPE_PORT_DESC_STATS_REPLY) {
+ ovs_fatal(0, "received bad reply: %s",
+ ofp_to_string(ofpbuf_data(reply), ofpbuf_size(reply),
+ verbosity + 1));
+ }
+
+ flags = ofpmp_flags(oh);
+ done = !(flags & OFPSF_REPLY_MORE);
- fetch_ofp_phy_port(vconn_name, port_name, &opp);
- return ntohs(opp.port_no);
+ if (found) {
+ /* We've already found the port, but we need to drain
+ * the queue of any other replies for this request. */
+ continue;
+ }
+
+ while (!ofputil_pull_phy_port(oh->version, &b, pp)) {
+ if (port_no != OFPP_NONE ? port_no == pp->port_no
+ : !strcmp(pp->name, port_name)) {
+ found = true;
+ break;
+ }
+ }
+ } else {
+ VLOG_DBG("received reply with xid %08"PRIx32" "
+ "!= expected %08"PRIx32, recv_xid, send_xid);
+ }
+ ofpbuf_delete(reply);
}
+ vconn_close(vconn);
+
+ return found;
}
static bool
-try_set_flow_format(struct vconn *vconn, enum nx_flow_format flow_format)
+str_to_ofp(const char *s, ofp_port_t *ofp_port)
{
- struct ofpbuf *sff, *reply;
+ bool ret;
+ uint32_t port_;
- sff = ofputil_make_set_flow_format(flow_format);
- run(vconn_transact_noreply(vconn, sff, &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 flow format %s, controller replied: %s",
- vconn_get_name(vconn),
- ofputil_flow_format_to_string(flow_format),
- s);
- free(s);
- ofpbuf_delete(reply);
- return false;
- }
- return true;
+ ret = str_to_uint(s, 10, &port_);
+ *ofp_port = u16_to_ofp(port_);
+ return ret;
}
+/* 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
+ * '*pp'. */
static void
-set_flow_format(struct vconn *vconn, enum nx_flow_format flow_format)
+fetch_ofputil_phy_port(const char *vconn_name, const char *port_name,
+ struct ofputil_phy_port *pp)
{
- struct ofpbuf *sff = ofputil_make_set_flow_format(flow_format);
- transact_noreply(vconn, sff);
- VLOG_DBG("%s: using user-specified flow format %s",
- vconn_get_name(vconn),
- ofputil_flow_format_to_string(flow_format));
+ ofp_port_t port_no;
+ bool found;
+ bool trunc;
+
+ /* Try to interpret the argument as a port number. */
+ if (!str_to_ofp(port_name, &port_no)) {
+ port_no = OFPP_NONE;
+ }
+
+ /* Try to find the port based on the Features Reply. If it looks
+ * like the results may be truncated, then use the Port Description
+ * stats message introduced in OVS 1.7. */
+ found = fetch_port_by_features(vconn_name, port_name, port_no, pp,
+ &trunc);
+ if (trunc) {
+ found = fetch_port_by_stats(vconn_name, port_name, port_no, pp);
+ }
+
+ if (!found) {
+ 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 ofp_port_t
+str_to_port_no(const char *vconn_name, const char *port_name)
+{
+ ofp_port_t port_no;
+
+ if (ofputil_port_from_string(port_name, &port_no)) {
+ return port_no;
+ } else {
+ struct ofputil_phy_port pp;
+
+ fetch_ofputil_phy_port(vconn_name, port_name, &pp);
+ return pp.port_no;
+ }
}
-static enum nx_flow_format
-negotiate_highest_flow_format(struct vconn *vconn, const struct cls_rule *rule,
- bool cookie_support, ovs_be64 cookie)
+static bool
+try_set_protocol(struct vconn *vconn, enum ofputil_protocol want,
+ enum ofputil_protocol *cur)
{
- int flow_format;
+ for (;;) {
+ struct ofpbuf *request, *reply;
+ enum ofputil_protocol next;
- if (preferred_flow_format != -1) {
- enum nx_flow_format min_format;
+ request = ofputil_encode_set_protocol(*cur, want, &next);
+ if (!request) {
+ return *cur == want;
+ }
- min_format = ofputil_min_flow_format(rule, cookie_support, cookie);
- if (preferred_flow_format >= min_format) {
- set_flow_format(vconn, preferred_flow_format);
- return preferred_flow_format;
+ run(vconn_transact_noreply(vconn, request, &reply),
+ "talking to %s", vconn_get_name(vconn));
+ if (reply) {
+ char *s = ofp_to_string(ofpbuf_data(reply), ofpbuf_size(reply), 2);
+ VLOG_DBG("%s: failed to set protocol, switch replied: %s",
+ vconn_get_name(vconn), s);
+ free(s);
+ ofpbuf_delete(reply);
+ return false;
}
- VLOG_WARN("%s: cannot use requested flow format %s for "
- "specified flow", vconn_get_name(vconn),
- ofputil_flow_format_to_string(min_format));
+ *cur = next;
+ }
+}
+
+static enum ofputil_protocol
+set_protocol_for_flow_dump(struct vconn *vconn,
+ enum ofputil_protocol cur_protocol,
+ enum ofputil_protocol usable_protocols)
+{
+ char *usable_s;
+ int i;
+
+ for (i = 0; i < ofputil_n_flow_dump_protocols; i++) {
+ enum ofputil_protocol f = ofputil_flow_dump_protocols[i];
+ if (f & usable_protocols & allowed_protocols
+ && try_set_protocol(vconn, f, &cur_protocol)) {
+ return f;
+ }
}
- if (try_set_flow_format(vconn, NXFF_NXM)) {
- flow_format = NXFF_NXM;
- } else if (try_set_flow_format(vconn, NXFF_TUN_ID_FROM_COOKIE)) {
- flow_format = NXFF_TUN_ID_FROM_COOKIE;
+ usable_s = ofputil_protocols_to_string(usable_protocols);
+ if (usable_protocols & allowed_protocols) {
+ ovs_fatal(0, "switch does not support any of the usable flow "
+ "formats (%s)", usable_s);
} else {
- flow_format = NXFF_OPENFLOW10;
+ char *allowed_s = ofputil_protocols_to_string(allowed_protocols);
+ ovs_fatal(0, "none of the usable flow formats (%s) is among the "
+ "allowed flow formats (%s)", usable_s, allowed_s);
+ }
+}
+
+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 vconn *vconn;
+ char *error;
+
+ error = parse_ofp_flow_stats_request_str(&fsr, aggregate,
+ argc > 2 ? argv[2] : "",
+ &usable_protocols);
+ if (error) {
+ ovs_fatal(0, "%s", error);
}
- VLOG_DBG("%s: negotiated flow format %s", vconn_get_name(vconn),
- ofputil_flow_format_to_string(flow_format));
- return flow_format;
+ protocol = open_vconn(argv[1], &vconn);
+ protocol = set_protocol_for_flow_dump(vconn, protocol, usable_protocols);
+ *requestp = ofputil_encode_flow_stats_request(&fsr, protocol);
+ return vconn;
}
static void
-do_dump_flows__(int argc, char *argv[], bool aggregate)
+ofctl_dump_flows__(int argc, char *argv[], bool aggregate)
{
- enum nx_flow_format flow_format;
- struct flow_stats_request fsr;
struct ofpbuf *request;
struct vconn *vconn;
- parse_ofp_flow_stats_request_str(&fsr, aggregate, argc > 2 ? argv[2] : "");
-
- open_vconn(argv[1], &vconn);
- flow_format = negotiate_highest_flow_format(vconn, &fsr.match, false, 0);
- request = ofputil_encode_flow_stats_request(&fsr, flow_format);
- dump_stats_transaction(argv[1], request);
+ vconn = prepare_dump_flows(argc, argv, aggregate, &request);
+ dump_stats_transaction(vconn, request);
vconn_close(vconn);
}
+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) {
+ unsigned int a_pri = afs->priority;
+ unsigned 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;
+
+ mf_get_value(f, &a->flow, &aval);
+ mf_get_value(f, &b->flow, &bval);
+ ret = memcmp(&aval, &bval, f->n_bytes);
+ }
+ }
+
+ if (ret) {
+ return sc->order == SORT_ASC ? ret : -ret;
+ }
+ }
+
+ return 0;
+}
+
static void
-do_dump_flows(int argc, char *argv[])
+ofctl_dump_flows(int argc, char *argv[])
{
- return do_dump_flows__(argc, argv, false);
+ if (!n_criteria) {
+ return ofctl_dump_flows__(argc, argv, false);
+ } 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(argc, argv, false, &request);
+ send_xid = ((struct ofp_header *) ofpbuf_data(request))->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
-do_dump_aggregate(int argc, char *argv[])
+ofctl_dump_aggregate(int argc, char *argv[])
{
- return do_dump_flows__(argc, argv, true);
+ return ofctl_dump_flows__(argc, argv, true);
}
static void
-do_queue_stats(int argc, char *argv[])
+ofctl_queue_stats(int argc, char *argv[])
{
- struct ofp_queue_stats_request *req;
struct ofpbuf *request;
+ struct vconn *vconn;
+ struct ofputil_queue_stats_request oqs;
- req = alloc_stats_request(sizeof *req, OFPST_QUEUE, &request);
+ open_vconn(argv[1], &vconn);
if (argc > 2 && argv[2][0] && strcasecmp(argv[2], "all")) {
- req->port_no = htons(str_to_port_no(argv[1], argv[2]));
+ oqs.port_no = str_to_port_no(argv[1], argv[2]);
} else {
- req->port_no = htons(OFPP_ALL);
+ oqs.port_no = OFPP_ANY;
}
if (argc > 3 && argv[3][0] && strcasecmp(argv[3], "all")) {
- req->queue_id = htonl(atoi(argv[3]));
+ oqs.queue_id = atoi(argv[3]);
} else {
- req->queue_id = htonl(OFPQ_ALL);
+ oqs.queue_id = OFPQ_ALL;
}
- memset(req->pad, 0, sizeof req->pad);
-
- dump_stats_transaction(argv[1], request);
+ request = ofputil_encode_queue_stats_request(vconn_get_version(vconn), &oqs);
+ dump_stats_transaction(vconn, request);
+ vconn_close(vconn);
}
static void
-do_flow_mod__(int argc OVS_UNUSED, char *argv[], uint16_t command)
+ofctl_queue_get_config(int argc OVS_UNUSED, char *argv[])
{
- enum nx_flow_format flow_format;
- struct list requests;
+ const char *vconn_name = argv[1];
+ const char *port_name = argv[2];
+ enum ofputil_protocol protocol;
+ enum ofp_version version;
+ struct ofpbuf *request;
struct vconn *vconn;
+ ofp_port_t port;
- list_init(&requests);
- flow_format = NXFF_OPENFLOW10;
- parse_ofp_flow_mod_str(&requests, &flow_format, argc > 2 ? argv[2] : "",
- command);
+ port = str_to_port_no(vconn_name, port_name);
- open_vconn(argv[1], &vconn);
- transact_multiple_noreply(vconn, &requests);
+ protocol = open_vconn(vconn_name, &vconn);
+ version = ofputil_protocol_to_ofp_version(protocol);
+ request = ofputil_encode_queue_get_config_request(version, port);
+ dump_transaction(vconn, request);
vconn_close(vconn);
}
-static void
-do_add_flow(int argc, char *argv[])
+static enum ofputil_protocol
+open_vconn_for_flow_mod(const char *remote, struct vconn **vconnp,
+ enum ofputil_protocol usable_protocols)
{
- do_flow_mod__(argc, argv, OFPFC_ADD);
-}
+ enum ofputil_protocol cur_protocol;
+ char *usable_s;
+ int i;
-static void
-do_add_flows(int argc OVS_UNUSED, char *argv[])
-{
- enum nx_flow_format flow_format;
- struct list requests;
- struct vconn *vconn;
- FILE *file;
+ if (!(usable_protocols & allowed_protocols)) {
+ char *allowed_s = ofputil_protocols_to_string(allowed_protocols);
+ usable_s = ofputil_protocols_to_string(usable_protocols);
+ ovs_fatal(0, "none of the usable flow formats (%s) is among the "
+ "allowed flow formats (%s)", usable_s, allowed_s);
+ }
- file = fopen(argv[2], "r");
- if (file == NULL) {
- ovs_fatal(errno, "%s: open", argv[2]);
+ /* If the initial flow format is allowed and usable, keep it. */
+ cur_protocol = open_vconn(remote, vconnp);
+ if (usable_protocols & allowed_protocols & cur_protocol) {
+ return cur_protocol;
}
- list_init(&requests);
- flow_format = NXFF_OPENFLOW10;
+ /* Otherwise try each flow format in turn. */
+ for (i = 0; i < sizeof(enum ofputil_protocol) * CHAR_BIT; i++) {
+ enum ofputil_protocol f = 1 << i;
- open_vconn(argv[1], &vconn);
- while (parse_ofp_add_flow_file(&requests, &flow_format, file)) {
- transact_multiple_noreply(vconn, &requests);
+ if (f != cur_protocol
+ && f & usable_protocols & allowed_protocols
+ && try_set_protocol(*vconnp, f, &cur_protocol)) {
+ return f;
+ }
+ }
+
+ usable_s = ofputil_protocols_to_string(usable_protocols);
+ ovs_fatal(0, "switch does not support any of the usable flow "
+ "formats (%s)", usable_s);
+}
+
+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, &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(CONST_CAST(struct ofpact *, fm->ofpacts));
}
vconn_close(vconn);
+}
+
+static void
+ofctl_flow_mod_file(int argc OVS_UNUSED, char *argv[], uint16_t command)
+{
+ enum ofputil_protocol usable_protocols;
+ struct ofputil_flow_mod *fms = NULL;
+ size_t n_fms = 0;
+ char *error;
+
+ 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
+ofctl_flow_mod(int argc, char *argv[], uint16_t command)
+{
+ if (argc > 2 && !strcmp(argv[2], "-")) {
+ ofctl_flow_mod_file(argc, argv, command);
+ } else {
+ struct ofputil_flow_mod fm;
+ 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
+ofctl_add_flow(int argc, char *argv[])
+{
+ ofctl_flow_mod(argc, argv, OFPFC_ADD);
+}
+
+static void
+ofctl_add_flows(int argc, char *argv[])
+{
+ ofctl_flow_mod_file(argc, argv, OFPFC_ADD);
+}
+
+static void
+ofctl_mod_flows(int argc, char *argv[])
+{
+ ofctl_flow_mod(argc, argv, strict ? OFPFC_MODIFY_STRICT : OFPFC_MODIFY);
+}
+
+static void
+ofctl_del_flows(int argc, char *argv[])
+{
+ ofctl_flow_mod(argc, 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;
+
+ 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),
+ ofputil_packet_in_format_to_string(packet_in_format));
+}
+
+static int
+monitor_set_invalid_ttl_to_controller(struct vconn *vconn)
+{
+ struct ofp_switch_config config;
+ enum ofp_config_flags flags;
+
+ 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);
+ 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. */
+ fetch_switch_config(vconn, &config);
+ flags = ntohs(config.flags);
+ if (!(flags & OFPC_INVALID_TTL_TO_CONTROLLER)) {
+ ovs_fatal(0, "setting invalid_ttl_to_controller failed (this "
+ "switch probably doesn't support mode)");
+ return -EOPNOTSUPP;
+ }
+ }
+ return 0;
+}
+
+/* Converts hex digits in 'hex' to an OpenFlow message in '*msgp'. The
+ * caller must free '*msgp'. On success, returns NULL. On failure, returns
+ * an error message and stores NULL in '*msgp'. */
+static const char *
+openflow_from_hex(const char *hex, struct ofpbuf **msgp)
+{
+ struct ofp_header *oh;
+ struct ofpbuf *msg;
+
+ msg = ofpbuf_new(strlen(hex) / 2);
+ *msgp = NULL;
+
+ if (ofpbuf_put_hex(msg, hex, NULL)[0] != '\0') {
+ ofpbuf_delete(msg);
+ return "Trailing garbage in hex data";
+ }
+
+ if (ofpbuf_size(msg) < sizeof(struct ofp_header)) {
+ ofpbuf_delete(msg);
+ return "Message too short for OpenFlow";
+ }
+
+ oh = ofpbuf_data(msg);
+ if (ofpbuf_size(msg) != ntohs(oh->length)) {
+ ofpbuf_delete(msg);
+ return "Message size does not match length in OpenFlow header";
+ }
+
+ *msgp = msg;
+ return NULL;
+}
+
+static void
+ofctl_send(struct unixctl_conn *conn, int argc,
+ const char *argv[], void *vconn_)
+{
+ struct vconn *vconn = vconn_;
+ struct ds reply;
+ bool ok;
+ int i;
+
+ ok = true;
+ ds_init(&reply);
+ for (i = 1; i < argc; i++) {
+ const char *error_msg;
+ struct ofpbuf *msg;
+ int error;
+
+ error_msg = openflow_from_hex(argv[i], &msg);
+ if (error_msg) {
+ ds_put_format(&reply, "%s\n", error_msg);
+ ok = false;
+ continue;
+ }
+
+ fprintf(stderr, "send: ");
+ ofp_print(stderr, ofpbuf_data(msg), ofpbuf_size(msg), verbosity);
+
+ error = vconn_send_block(vconn, msg);
+ if (error) {
+ ofpbuf_delete(msg);
+ ds_put_format(&reply, "%s\n", ovs_strerror(error));
+ ok = false;
+ } else {
+ ds_put_cstr(&reply, "sent\n");
+ }
+ }
+
+ if (ok) {
+ unixctl_command_reply(conn, ds_cstr(&reply));
+ } else {
+ unixctl_command_reply_error(conn, ds_cstr(&reply));
+ }
+ ds_destroy(&reply);
+}
+
+struct barrier_aux {
+ struct vconn *vconn; /* OpenFlow connection for sending barrier. */
+ struct unixctl_conn *conn; /* Connection waiting for barrier response. */
+};
+
+static void
+ofctl_barrier(struct unixctl_conn *conn, int argc OVS_UNUSED,
+ const char *argv[] OVS_UNUSED, void *aux_)
+{
+ struct barrier_aux *aux = aux_;
+ struct ofpbuf *msg;
+ int error;
+
+ if (aux->conn) {
+ unixctl_command_reply_error(conn, "already waiting for barrier reply");
+ return;
+ }
+
+ 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, ovs_strerror(error));
+ } else {
+ aux->conn = conn;
+ }
+}
+
+static void
+ofctl_set_output_file(struct unixctl_conn *conn, int argc OVS_UNUSED,
+ const char *argv[], void *aux OVS_UNUSED)
+{
+ int fd;
+
+ fd = open(argv[1], O_CREAT | O_TRUNC | O_WRONLY, 0666);
+ if (fd < 0) {
+ unixctl_command_reply_error(conn, ovs_strerror(errno));
+ return;
+ }
- fclose(file);
+ fflush(stderr);
+ dup2(fd, STDERR_FILENO);
+ close(fd);
+ unixctl_command_reply(conn, NULL);
}
static void
-do_mod_flows(int argc, char *argv[])
+ofctl_block(struct unixctl_conn *conn, int argc OVS_UNUSED,
+ const char *argv[] OVS_UNUSED, void *blocked_)
{
- do_flow_mod__(argc, argv, strict ? OFPFC_MODIFY_STRICT : OFPFC_MODIFY);
+ bool *blocked = blocked_;
+
+ if (!*blocked) {
+ *blocked = true;
+ unixctl_command_reply(conn, NULL);
+ } else {
+ unixctl_command_reply(conn, "already blocking");
+ }
}
static void
-do_del_flows(int argc, char *argv[])
+ofctl_unblock(struct unixctl_conn *conn, int argc OVS_UNUSED,
+ const char *argv[] OVS_UNUSED, void *blocked_)
{
- do_flow_mod__(argc, argv, strict ? OFPFC_DELETE_STRICT : OFPFC_DELETE);
+ 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)
+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);
+ if (error) {
+ ovs_fatal(error, "failed to create unixctl server");
+ }
+ unixctl_command_register("exit", "", 0, 0, ofctl_exit, &exiting);
+ unixctl_command_register("ofctl/send", "OFMSG...", 1, INT_MAX,
+ ofctl_send, vconn);
+ unixctl_command_register("ofctl/barrier", "", 0, 0,
+ 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 (;;) {
struct ofpbuf *b;
- run(vconn_recv_block(vconn, &b), "vconn_recv");
- ofp_print(stderr, b->data, b->size, verbosity + 2);
- ofpbuf_delete(b);
+ int retval;
+
+ unixctl_server_run(server);
+
+ while (!blocked) {
+ enum ofptype type;
+
+ retval = vconn_recv(vconn, &b);
+ if (retval == EAGAIN) {
+ break;
+ }
+ run(retval, "vconn_recv");
+
+ if (timestamp) {
+ char *s = xastrftime_msec("%Y-%m-%d %H:%M:%S.###: ",
+ time_wall_msec(), true);
+ fputs(s, stderr);
+ free(s);
+ }
+
+ ofptype_decode(&type, ofpbuf_data(b));
+ ofp_print(stderr, ofpbuf_data(b), ofpbuf_size(b), verbosity + 2);
+
+ switch ((int) type) {
+ case OFPTYPE_BARRIER_REPLY:
+ if (barrier_aux.conn) {
+ unixctl_command_reply(barrier_aux.conn, NULL);
+ barrier_aux.conn = NULL;
+ }
+ break;
+
+ case OFPTYPE_ECHO_REQUEST:
+ if (reply_to_echo_requests) {
+ struct ofpbuf *reply;
+
+ reply = make_echo_reply(ofpbuf_data(b));
+ retval = vconn_send_block(vconn, reply);
+ if (retval) {
+ ovs_fatal(retval, "failed to send echo reply");
+ }
+ }
+ break;
+ }
+ ofpbuf_delete(b);
+ }
+
+ if (exiting) {
+ break;
+ }
+
+ vconn_run(vconn);
+ vconn_run_wait(vconn);
+ if (!blocked) {
+ vconn_recv_wait(vconn);
+ }
+ unixctl_server_wait(server);
+ poll_block();
}
+ vconn_close(vconn);
+ unixctl_server_destroy(server);
}
static void
-do_monitor(int argc, char *argv[])
+ofctl_monitor(int argc, char *argv[])
{
struct vconn *vconn;
+ int i;
+ enum ofputil_protocol usable_protocols;
open_vconn(argv[1], &vconn);
- if (argc > 2) {
- int miss_send_len = atoi(argv[2]);
- struct ofp_switch_config *osc;
- struct ofpbuf *buf;
+ for (i = 2; i < argc; i++) {
+ const char *arg = argv[i];
+
+ if (isdigit((unsigned char) *arg)) {
+ struct ofp_switch_config config;
+
+ fetch_switch_config(vconn, &config);
+ config.miss_send_len = htons(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_stats_transaction(vconn, msg);
+ } else {
+ ovs_fatal(0, "%s: unsupported \"monitor\" argument", arg);
+ }
+ }
- osc = make_openflow(sizeof *osc, OFPT_SET_CONFIG, &buf);
- osc->miss_send_len = htons(miss_send_len);
- transact_noreply(vconn, buf);
+ if (preferred_packet_in_format >= 0) {
+ set_packet_in_format(vconn, preferred_packet_in_format);
+ } else {
+ 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(ofpbuf_data(reply), ofpbuf_size(reply), 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:
+ break;
+ default:
+ OVS_NOT_REACHED();
+ }
}
- monitor_vconn(vconn);
+
+ monitor_vconn(vconn, true);
}
static void
-do_snoop(int argc OVS_UNUSED, char *argv[])
+ofctl_snoop(int argc OVS_UNUSED, char *argv[])
{
struct vconn *vconn;
- open_vconn__(argv[1], "snoop", &vconn);
- monitor_vconn(vconn);
+ open_vconn__(argv[1], SNOOP, &vconn);
+ monitor_vconn(vconn, false);
}
static void
-do_dump_ports(int argc, char *argv[])
+ofctl_dump_ports(int argc, char *argv[])
{
- struct ofp_port_stats_request *req;
struct ofpbuf *request;
- uint16_t port;
+ struct vconn *vconn;
+ ofp_port_t port;
+
+ open_vconn(argv[1], &vconn);
+ port = argc > 2 ? str_to_port_no(argv[1], argv[2]) : OFPP_ANY;
+ request = ofputil_encode_dump_ports_request(vconn_get_version(vconn), port);
+ dump_stats_transaction(vconn, request);
+ vconn_close(vconn);
+}
- 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);
+static void
+ofctl_dump_ports_desc(int argc OVS_UNUSED, char *argv[])
+{
+ dump_trivial_stats_transaction(argv[1], OFPRAW_OFPST_PORT_DESC_REQUEST);
}
static void
-do_probe(int argc OVS_UNUSED, char *argv[])
+ofctl_probe(int argc OVS_UNUSED, char *argv[])
{
struct ofpbuf *request;
struct vconn *vconn;
struct ofpbuf *reply;
- make_openflow(sizeof(struct ofp_header), OFPT_ECHO_REQUEST, &request);
open_vconn(argv[1], &vconn);
+ request = make_echo_request(vconn_get_version(vconn));
run(vconn_transact(vconn, request, &reply), "talking to %s", argv[1]);
- if (reply->size != sizeof(struct ofp_header)) {
+ if (ofpbuf_size(reply) != sizeof(struct ofp_header)) {
ovs_fatal(0, "reply does not match request");
}
ofpbuf_delete(reply);
}
static void
-do_mod_port(int argc OVS_UNUSED, char *argv[])
+ofctl_packet_out(int argc, char *argv[])
{
- struct ofp_port_mod *opm;
- struct ofp_phy_port opp;
- struct ofpbuf *request;
+ enum ofputil_protocol protocol;
+ struct ofputil_packet_out po;
+ struct ofpbuf ofpacts;
struct vconn *vconn;
+ char *error;
+ int i;
+ enum ofputil_protocol usable_protocols; /* XXX: Use in proto selection */
+
+ ofpbuf_init(&ofpacts, 64);
+ error = parse_ofpacts(argv[3], &ofpacts, &usable_protocols);
+ if (error) {
+ ovs_fatal(0, "%s", error);
+ }
+
+ po.buffer_id = UINT32_MAX;
+ po.in_port = str_to_port_no(argv[1], argv[2]);
+ po.ofpacts = ofpbuf_data(&ofpacts);
+ po.ofpacts_len = ofpbuf_size(&ofpacts);
+
+ protocol = open_vconn(argv[1], &vconn);
+ for (i = 4; i < argc; i++) {
+ struct ofpbuf *packet, *opo;
+ const char *error_msg;
+
+ error_msg = eth_from_hex(argv[i], &packet);
+ if (error_msg) {
+ ovs_fatal(0, "%s", error_msg);
+ }
+
+ po.packet = ofpbuf_data(packet);
+ po.packet_len = ofpbuf_size(packet);
+ opo = ofputil_encode_packet_out(&po, protocol);
+ transact_noreply(vconn, opo);
+ ofpbuf_delete(packet);
+ }
+ vconn_close(vconn);
+ ofpbuf_uninit(&ofpacts);
+}
+
+static void
+ofctl_mod_port(int argc OVS_UNUSED, char *argv[])
+{
+ 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 },
+ };
- 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);
+ 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(argv[1], argv[2], &pp);
+
+ pm.port_no = pp.port_no;
+ memcpy(pm.hw_addr, pp.hw_addr, ETH_ADDR_LEN);
+ pm.config = 0;
+ pm.mask = 0;
+ pm.advertise = 0;
+
+ if (!strncasecmp(argv[3], "no-", 3)) {
+ command = argv[3] + 3;
+ not = true;
+ } else if (!strncasecmp(argv[3], "no", 2)) {
+ command = argv[3] + 2;
+ not = true;
} else {
- ovs_fatal(0, "unknown mod-port command '%s'", argv[3]);
+ command = 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'", argv[3]);
+
+found:
+ protocol = open_vconn(argv[1], &vconn);
+ transact_noreply(vconn, ofputil_encode_port_mod(&pm, protocol));
+ vconn_close(vconn);
+}
+
+static void
+ofctl_mod_table(int argc OVS_UNUSED, char *argv[])
+{
+ enum ofputil_protocol protocol, usable_protocols;
+ struct ofputil_table_mod tm;
+ struct vconn *vconn;
+ char *error;
+ int i;
+
+ error = parse_ofp_table_mod(&tm, argv[2], argv[3], &usable_protocols);
+ if (error) {
+ ovs_fatal(0, "%s", error);
+ }
+
+ protocol = open_vconn(argv[1], &vconn);
+ if (!(protocol & usable_protocols)) {
+ for (i = 0; i < sizeof(enum ofputil_protocol) * CHAR_BIT; i++) {
+ enum ofputil_protocol f = 1 << i;
+ if (f != protocol
+ && f & usable_protocols
+ && try_set_protocol(vconn, f, &protocol)) {
+ protocol = f;
+ break;
+ }
+ }
+ }
+
+ if (!(protocol & usable_protocols)) {
+ char *usable_s = ofputil_protocols_to_string(usable_protocols);
+ ovs_fatal(0, "Switch does not support table mod message(%s)", usable_s);
}
+ transact_noreply(vconn, ofputil_encode_table_mod(&tm, protocol));
+ vconn_close(vconn);
+}
+
+static void
+ofctl_get_frags(int argc OVS_UNUSED, char *argv[])
+{
+ struct ofp_switch_config config;
+ struct vconn *vconn;
+
open_vconn(argv[1], &vconn);
- transact_noreply(vconn, request);
+ fetch_switch_config(vconn, &config);
+ puts(ofputil_frag_handling_to_string(ntohs(config.flags)));
+ vconn_close(vconn);
+}
+
+static void
+ofctl_set_frags(int argc OVS_UNUSED, char *argv[])
+{
+ struct ofp_switch_config config;
+ enum ofp_config_flags mode;
+ 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]);
+ }
+
+ open_vconn(argv[1], &vconn);
+ fetch_switch_config(vconn, &config);
+ flags = htons(mode) | (config.flags & htons(~OFPC_FRAG_MASK));
+ if (flags != config.flags) {
+ /* Set the configuration. */
+ config.flags = flags;
+ 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. */
+ fetch_switch_config(vconn, &config);
+ if (flags != config.flags) {
+ 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));
+ }
+ }
vconn_close(vconn);
}
static void
-do_ping(int argc, char *argv[])
+ofctl_ofp_parse(int argc OVS_UNUSED, char *argv[])
+{
+ const char *filename = argv[1];
+ struct ofpbuf b;
+ FILE *file;
+
+ file = !strcmp(filename, "-") ? stdin : fopen(filename, "r");
+ if (file == NULL) {
+ ovs_fatal(errno, "%s: open", filename);
+ }
+
+ 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);
+ }
+
+ length = ntohs(oh->length);
+ if (length < sizeof *oh) {
+ ovs_fatal(0, "%s: %"PRIuSIZE"-byte message is too short for OpenFlow",
+ filename, length);
+ }
+
+ 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);
+ }
+
+ ofp_print(stdout, ofpbuf_data(&b), ofpbuf_size(&b), 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;
+ }
+ }
+ return false;
+ } else {
+ return port == OFP_PORT || port == OFP_OLD_PORT;
+ }
+}
+
+static void
+ofctl_ofp_parse_pcap(int argc OVS_UNUSED, char *argv[])
+{
+ struct tcp_reader *reader;
+ FILE *file;
+ int error;
+ bool first;
+
+ file = ovs_pcap_open(argv[1], "rb");
+ if (!file) {
+ ovs_fatal(errno, "%s: open failed", argv[1]);
+ }
+
+ reader = tcp_reader_open();
+ first = true;
+ for (;;) {
+ struct ofpbuf *packet;
+ long long int when;
+ struct flow flow;
+ const struct pkt_metadata md = PKT_METADATA_INITIALIZER(ODPP_NONE);
+
+ error = ovs_pcap_read(file, &packet, &when);
+ if (error) {
+ break;
+ }
+ flow_extract(packet, &md, &flow);
+ if (flow.dl_type == htons(ETH_TYPE_IP)
+ && flow.nw_proto == IPPROTO_TCP
+ && (is_openflow_port(flow.tp_src, argv + 2) ||
+ is_openflow_port(flow.tp_dst, argv + 2))) {
+ struct ofpbuf *payload = tcp_reader_run(reader, &flow, packet);
+ if (payload) {
+ while (ofpbuf_size(payload) >= sizeof(struct ofp_header)) {
+ const struct ofp_header *oh;
+ void *data = ofpbuf_data(payload);
+ int length;
+
+ /* Align OpenFlow on 8-byte boundary for safe access. */
+ ofpbuf_shift(payload, -((intptr_t) data & 7));
+
+ oh = ofpbuf_data(payload);
+ length = ntohs(oh->length);
+ if (ofpbuf_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, ofpbuf_data(payload), length, verbosity + 1);
+ ofpbuf_pull(payload, length);
+ }
+ }
+ }
+ ofpbuf_delete(packet);
+ }
+ tcp_reader_close(reader);
+}
+
+static void
+ofctl_ping(int argc, char *argv[])
{
size_t max_payload = 65535 - sizeof(struct ofp_header);
unsigned int payload;
payload = argc > 2 ? atoi(argv[2]) : 64;
if (payload > max_payload) {
- ovs_fatal(0, "payload must be between 0 and %zu bytes", max_payload);
+ ovs_fatal(0, "payload must be between 0 and %"PRIuSIZE" bytes", max_payload);
}
open_vconn(argv[1], &vconn);
for (i = 0; i < 10; i++) {
struct timeval start, end;
struct ofpbuf *request, *reply;
- struct ofp_header *rq_hdr, *rpy_hdr;
+ const struct ofp_header *rpy_hdr;
+ enum ofptype type;
- rq_hdr = make_openflow(sizeof(struct ofp_header) + payload,
- OFPT_ECHO_REQUEST, &request);
- random_bytes(rq_hdr + 1, payload);
+ request = ofpraw_alloc(OFPRAW_OFPT_ECHO_REQUEST,
+ vconn_get_version(vconn), payload);
+ random_bytes(ofpbuf_put_uninit(request, payload), payload);
- gettimeofday(&start, NULL);
+ xgettimeofday(&start);
run(vconn_transact(vconn, ofpbuf_clone(request), &reply), "transact");
- gettimeofday(&end, NULL);
+ xgettimeofday(&end);
- 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) {
+ rpy_hdr = ofpbuf_data(reply);
+ if (ofptype_pull(&type, reply)
+ || type != OFPTYPE_ECHO_REPLY
+ || ofpbuf_size(reply) != payload
+ || memcmp(ofpbuf_l3(request), ofpbuf_l3(reply), payload)) {
printf("Reply does not match request. Request:\n");
- ofp_print(stdout, request, request->size, verbosity + 2);
+ ofp_print(stdout, request, ofpbuf_size(request), verbosity + 2);
printf("Reply:\n");
- ofp_print(stdout, reply, reply->size, verbosity + 2);
+ ofp_print(stdout, reply, ofpbuf_size(reply), verbosity + 2);
}
- printf("%zu bytes from %s: xid=%08"PRIx32" time=%.1f ms\n",
- reply->size - sizeof *rpy_hdr, argv[1], ntohl(rpy_hdr->xid),
+ printf("%"PRIu32" bytes from %s: xid=%08"PRIx32" time=%.1f ms\n",
+ ofpbuf_size(reply), argv[1], ntohl(rpy_hdr->xid),
(1000*(double)(end.tv_sec - start.tv_sec))
+ (.001*(end.tv_usec - start.tv_usec)));
ofpbuf_delete(request);
}
static void
-do_benchmark(int argc OVS_UNUSED, char *argv[])
+ofctl_benchmark(int argc OVS_UNUSED, char *argv[])
{
size_t max_payload = 65535 - sizeof(struct ofp_header);
struct timeval start, end;
payload_size = atoi(argv[2]);
if (payload_size > max_payload) {
- ovs_fatal(0, "payload must be between 0 and %zu bytes", max_payload);
+ ovs_fatal(0, "payload must be between 0 and %"PRIuSIZE" bytes", max_payload);
}
message_size = sizeof(struct ofp_header) + payload_size;
count, message_size, count * message_size);
open_vconn(argv[1], &vconn);
- gettimeofday(&start, NULL);
+ 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);
}
- gettimeofday(&end, NULL);
+ xgettimeofday(&end);
vconn_close(vconn);
duration = ((1000*(double)(end.tv_sec - start.tv_sec))
}
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)
{
- usage();
-}
-\f
-/* Undocumented commands for unit testing. */
+ struct ofputil_group_mod *gm;
+ struct ofpbuf *request;
-static void
-print_packet_list(struct list *packets)
-{
- struct ofpbuf *packet, *next;
+ struct vconn *vconn;
+ size_t i;
- LIST_FOR_EACH_SAFE (packet, next, list_node, packets) {
- ofp_print(stdout, packet->data, packet->size, verbosity);
- list_remove(&packet->list_node);
- ofpbuf_delete(packet);
+ open_vconn(remote, &vconn);
+
+ for (i = 0; i < n_gms; i++) {
+ gm = &gms[i];
+ request = ofputil_encode_group_mod(vconn_get_version(vconn), gm);
+ if (request) {
+ transact_noreply(vconn, request);
+ }
}
+
+ vconn_close(vconn);
+
}
-/* "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_group_mod_file(int argc OVS_UNUSED, char *argv[], uint16_t command)
{
- enum nx_flow_format flow_format;
- struct list packets;
+ struct ofputil_group_mod *gms = NULL;
+ enum ofputil_protocol usable_protocols;
+ size_t n_gms = 0;
+ char *error;
+
+ 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);
+ free(gms);
+}
- flow_format = NXFF_OPENFLOW10;
- if (preferred_flow_format > 0) {
- flow_format = preferred_flow_format;
+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);
}
+}
- list_init(&packets);
- parse_ofp_flow_mod_str(&packets, &flow_format, argv[1], OFPFC_ADD);
- print_packet_list(&packets);
+static void
+ofctl_add_group(int argc, char *argv[])
+{
+ ofctl_group_mod(argc, argv, OFPGC11_ADD);
}
-/* "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_add_groups(int argc, char *argv[])
+{
+ ofctl_group_mod_file(argc, argv, OFPGC11_ADD);
+}
+
+static void
+ofctl_mod_group(int argc, char *argv[])
+{
+ ofctl_group_mod(argc, argv, OFPGC11_MODIFY);
+}
+
+static void
+ofctl_del_groups(int argc, char *argv[])
+{
+ ofctl_group_mod(argc, argv, OFPGC11_DELETE);
+}
+
+static void
+ofctl_dump_group_stats(int argc, char *argv[])
+{
+ 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,
+ argc > 2 ? argv[2] : "",
+ &usable_protocols);
+ if (error) {
+ ovs_fatal(0, "%s", error);
+ }
+
+ group_id = gm.group_id;
+
+ open_vconn(argv[1], &vconn);
+ request = ofputil_encode_group_stats_request(vconn_get_version(vconn),
+ group_id);
+ if (request) {
+ dump_stats_transaction(vconn, request);
+ }
+
+ vconn_close(vconn);
+}
+
+static void
+ofctl_dump_group_desc(int argc OVS_UNUSED, char *argv[])
+{
+ struct ofpbuf *request;
+ struct vconn *vconn;
+
+ open_vconn(argv[1], &vconn);
+
+ request = ofputil_encode_group_desc_request(vconn_get_version(vconn));
+ if (request) {
+ dump_stats_transaction(vconn, request);
+ }
+
+ vconn_close(vconn);
+}
+
+static void
+ofctl_dump_group_features(int argc OVS_UNUSED, char *argv[])
+{
+ struct ofpbuf *request;
+ struct vconn *vconn;
+
+ open_vconn(argv[1], &vconn);
+ request = ofputil_encode_group_features_request(vconn_get_version(vconn));
+ if (request) {
+ dump_stats_transaction(vconn, request);
+ }
+
+ vconn_close(vconn);
+}
+
+static void
+ofctl_help(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
+{
+ usage();
+}
+\f
+/* replace-flows and diff-flows commands. */
+
+/* A flow table entry, possibly with two different versions. */
+struct fte {
+ struct cls_rule rule; /* Within a "struct classifier". */
+ struct fte_version *versions[2];
+};
+
+/* One version of a Flow Table Entry. */
+struct fte_version {
+ ovs_be64 cookie;
+ uint16_t idle_timeout;
+ uint16_t hard_timeout;
+ uint16_t flags;
+ struct ofpact *ofpacts;
+ size_t ofpacts_len;
+};
+
+/* Frees 'version' and the data that it owns. */
+static void
+fte_version_free(struct fte_version *version)
+{
+ if (version) {
+ free(CONST_CAST(struct ofpact *, version->ofpacts));
+ free(version);
+ }
+}
+
+/* Returns true if 'a' and 'b' are the same, false if they differ.
+ *
+ * Ignores differences in 'flags' because there's no way to retrieve flags from
+ * an OpenFlow switch. We have to assume that they are the same. */
+static bool
+fte_version_equals(const struct fte_version *a, const struct fte_version *b)
+{
+ return (a->cookie == b->cookie
+ && a->idle_timeout == b->idle_timeout
+ && a->hard_timeout == b->hard_timeout
+ && ofpacts_equal(a->ofpacts, a->ofpacts_len,
+ b->ofpacts, b->ofpacts_len));
+}
+
+/* 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_format(const struct fte *fte, int index, struct ds *s)
+{
+ const struct fte_version *version = fte->versions[index];
+
+ ds_clear(s);
+ if (!version) {
+ return;
+ }
+
+ cls_rule_format(&fte->rule, s);
+ if (version->cookie != htonll(0)) {
+ ds_put_format(s, " cookie=0x%"PRIx64, ntohll(version->cookie));
+ }
+ if (version->idle_timeout != OFP_FLOW_PERMANENT) {
+ ds_put_format(s, " idle_timeout=%"PRIu16, version->idle_timeout);
+ }
+ if (version->hard_timeout != OFP_FLOW_PERMANENT) {
+ ds_put_format(s, " hard_timeout=%"PRIu16, version->hard_timeout);
+ }
+
+ ds_put_cstr(s, " actions=");
+ ofpacts_format(version->ofpacts, version->ofpacts_len, s);
+
+ ds_put_char(s, '\n');
+}
+
+static struct fte *
+fte_from_cls_rule(const struct cls_rule *cls_rule)
+{
+ return cls_rule ? CONTAINER_OF(cls_rule, struct fte, rule) : NULL;
+}
+
+/* Frees 'fte' and its versions. */
+static void
+fte_free(struct fte *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'. */
+static void
+fte_free_all(struct classifier *cls)
+{
+ struct cls_cursor cursor;
+ struct fte *fte, *next;
+
+ fat_rwlock_wrlock(&cls->rwlock);
+ cls_cursor_init(&cursor, cls, NULL);
+ CLS_CURSOR_FOR_EACH_SAFE (fte, next, rule, &cursor) {
+ classifier_remove(cls, &fte->rule);
+ fte_free(fte);
+ }
+ fat_rwlock_unlock(&cls->rwlock);
+ classifier_destroy(cls);
+}
+
+/* Searches 'cls' 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 match *match,
+ unsigned int priority, struct fte_version *version, int index)
{
- enum nx_flow_format flow_format;
- struct list packets;
+ struct fte *old, *fte;
+
+ fte = xzalloc(sizeof *fte);
+ cls_rule_init(&fte->rule, match, priority);
+ fte->versions[index] = version;
+
+ fat_rwlock_wrlock(&cls->rwlock);
+ old = fte_from_cls_rule(classifier_replace(cls, &fte->rule));
+ fat_rwlock_unlock(&cls->rwlock);
+ if (old) {
+ fte_version_free(old->versions[index]);
+ fte->versions[!index] = old->versions[!index];
+ cls_rule_destroy(&old->rule);
+ 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. */
+static enum ofputil_protocol
+read_flows_from_file(const char *filename, struct classifier *cls, int index)
+{
+ enum ofputil_protocol usable_protocols;
+ int line_number;
+ struct ds s;
FILE *file;
- file = fopen(argv[1], "r");
+ file = !strcmp(filename, "-") ? stdin : fopen(filename, "r");
if (file == NULL) {
- ovs_fatal(errno, "%s: open", argv[2]);
+ ovs_fatal(errno, "%s: open", filename);
}
- flow_format = NXFF_OPENFLOW10;
- if (preferred_flow_format > 0) {
- flow_format = preferred_flow_format;
+ ds_init(&s);
+ usable_protocols = OFPUTIL_P_ANY;
+ line_number = 0;
+ while (!ds_get_preprocessed_line(&s, file, &line_number)) {
+ struct fte_version *version;
+ struct ofputil_flow_mod fm;
+ char *error;
+ enum ofputil_protocol usable;
+
+ 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.new_cookie;
+ version->idle_timeout = fm.idle_timeout;
+ version->hard_timeout = fm.hard_timeout;
+ version->flags = fm.flags & (OFPUTIL_FF_SEND_FLOW_REM
+ | OFPUTIL_FF_EMERG);
+ version->ofpacts = fm.ofpacts;
+ version->ofpacts_len = fm.ofpacts_len;
+
+ fte_insert(cls, &fm.match, fm.priority, version, index);
}
+ ds_destroy(&s);
- list_init(&packets);
- while (parse_ofp_add_flow_file(&packets, &flow_format, file)) {
- print_packet_list(&packets);
+ if (file != stdin) {
+ fclose(file);
}
- fclose(file);
+
+ return usable_protocols;
}
-/* "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 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 *) ofpbuf_data(reply))->xid != send_xid);
+
+ error = ofptype_decode(&type, ofpbuf_data(reply));
+ if (error || type != OFPTYPE_FLOW_STATS_REPLY) {
+ ovs_fatal(0, "received bad reply: %s",
+ ofp_to_string(ofpbuf_data(reply), ofpbuf_size(reply),
+ 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->frame);
+ 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
+ * version with the specified 'index'. */
+static void
+read_flows_from_switch(struct vconn *vconn,
+ enum ofputil_protocol protocol,
+ struct classifier *cls, 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;
+
+ fsr.aggregate = false;
+ match_init_catchall(&fsr.match);
+ fsr.out_port = OFPP_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 *) ofpbuf_data(request))->xid;
+ send_openflow_buffer(vconn, request);
+
+ reply = NULL;
+ ofpbuf_init(&ofpacts, 0);
+ 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->ofpacts_len = fs.ofpacts_len;
+ version->ofpacts = xmemdup(fs.ofpacts, fs.ofpacts_len);
+
+ fte_insert(cls, &fs.match, fs.priority, version, index);
+ }
+ 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)
+{
+ const struct fte_version *version = fte->versions[index];
+ struct ofputil_flow_mod fm;
+ struct ofpbuf *ofm;
+
+ minimatch_expand(&fte->rule.match, &fm.match);
+ fm.priority = fte->rule.priority;
+ fm.cookie = htonll(0);
+ fm.cookie_mask = htonll(0);
+ fm.new_cookie = version->cookie;
+ fm.modify_cookie = true;
+ 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_ANY;
+ fm.flags = version->flags;
+ if (command == OFPFC_ADD || command == OFPFC_MODIFY ||
+ command == OFPFC_MODIFY_STRICT) {
+ fm.ofpacts = version->ofpacts;
+ fm.ofpacts_len = version->ofpacts_len;
+ } else {
+ fm.ofpacts = NULL;
+ fm.ofpacts_len = 0;
+ }
+
+ ofm = ofputil_encode_flow_mod(&fm, protocol);
+ list_push_back(packets, &ofm->list_node);
+}
+
+static void
+ofctl_replace_flows(int argc OVS_UNUSED, char *argv[])
+{
+ enum { FILE_IDX = 0, SWITCH_IDX = 1 };
+ enum ofputil_protocol usable_protocols, protocol;
+ struct cls_cursor cursor;
+ struct classifier cls;
+ struct list requests;
+ struct vconn *vconn;
+ struct fte *fte;
+
+ classifier_init(&cls, NULL);
+ usable_protocols = read_flows_from_file(argv[2], &cls, FILE_IDX);
+
+ protocol = open_vconn(argv[1], &vconn);
+ protocol = set_protocol_for_flow_dump(vconn, protocol, usable_protocols);
+
+ read_flows_from_switch(vconn, protocol, &cls, SWITCH_IDX);
+
+ list_init(&requests);
+
+ /* Delete flows that exist on the switch but not in the file. */
+ fat_rwlock_rdlock(&cls.rwlock);
+ 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];
+
+ 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];
+
+ if (file_ver
+ && (readd || !sw_ver || !fte_version_equals(sw_ver, file_ver))) {
+ fte_make_flow_mod(fte, FILE_IDX, OFPFC_ADD, protocol, &requests);
+ }
+ }
+ fat_rwlock_unlock(&cls.rwlock);
+ transact_multiple_noreply(vconn, &requests);
+ vconn_close(vconn);
+
+ fte_free_all(&cls);
+}
+
+static void
+read_flows_from_source(const char *source, struct classifier *cls, int index)
+{
+ struct stat s;
+
+ if (source[0] == '/' || source[0] == '.'
+ || (!strchr(source, ':') && !stat(source, &s))) {
+ read_flows_from_file(source, cls, 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);
+ vconn_close(vconn);
+ }
+}
+
+static void
+ofctl_diff_flows(int argc OVS_UNUSED, char *argv[])
+{
+ bool differences = false;
+ struct cls_cursor cursor;
+ struct classifier cls;
+ struct ds a_s, b_s;
+ struct fte *fte;
+
+ classifier_init(&cls, NULL);
+ read_flows_from_source(argv[1], &cls, 0);
+ read_flows_from_source(argv[2], &cls, 1);
+
+ ds_init(&a_s);
+ ds_init(&b_s);
+
+ fat_rwlock_rdlock(&cls.rwlock);
+ 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];
+
+ 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;
+ }
+ }
+ }
+ fat_rwlock_unlock(&cls.rwlock);
+
+ ds_destroy(&a_s);
+ ds_destroy(&b_s);
+
+ fte_free_all(&cls);
+
+ 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);
+ transact_noreply(vconn, ofputil_encode_meter_request(version,
+ type,
+ mm.meter.meter_id));
+ vconn_close(vconn);
+}
+
+
+static void
+ofctl_add_meter(int argc OVS_UNUSED, char *argv[])
+{
+ ofctl_meter_mod__(argv[1], argv[2], OFPMC13_ADD);
+}
+
+static void
+ofctl_mod_meter(int argc OVS_UNUSED, char *argv[])
+{
+ ofctl_meter_mod__(argv[1], argv[2], OFPMC13_MODIFY);
+}
+
+static void
+ofctl_del_meters(int argc, char *argv[])
+{
+ ofctl_meter_mod__(argv[1], argc > 2 ? argv[2] : NULL, OFPMC13_DELETE);
+}
+
+static void
+ofctl_dump_meters(int argc, char *argv[])
+{
+ ofctl_meter_request__(argv[1], argc > 2 ? argv[2] : NULL,
+ OFPUTIL_METER_CONFIG);
+}
+
+static void
+ofctl_meter_stats(int argc, char *argv[])
+{
+ ofctl_meter_request__(argv[1], argc > 2 ? argv[2] : NULL,
+ OFPUTIL_METER_STATS);
+}
+
+static void
+ofctl_meter_features(int argc OVS_UNUSED, char *argv[])
+{
+ ofctl_meter_request__(argv[1], NULL, OFPUTIL_METER_FEATURES);
+}
+
+\f
+/* Undocumented commands for unit testing. */
+
static void
-do_parse_nx_match(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
+ofctl_parse_flows__(struct ofputil_flow_mod *fms, size_t n_fms,
+ enum ofputil_protocol usable_protocols)
+{
+ enum ofputil_protocol protocol = 0;
+ char *usable_s;
+ size_t i;
+
+ usable_s = ofputil_protocols_to_string(usable_protocols);
+ printf("usable protocols: %s\n", usable_s);
+ free(usable_s);
+
+ if (!(usable_protocols & allowed_protocols)) {
+ ovs_fatal(0, "no usable protocol");
+ }
+ for (i = 0; i < sizeof(enum ofputil_protocol) * CHAR_BIT; i++) {
+ protocol = 1 << i;
+ if (protocol & usable_protocols & allowed_protocols) {
+ break;
+ }
+ }
+ ovs_assert(is_pow2(protocol));
+
+ printf("chosen protocol: %s\n", ofputil_protocol_to_string(protocol));
+
+ for (i = 0; i < n_fms; i++) {
+ struct ofputil_flow_mod *fm = &fms[i];
+ struct ofpbuf *msg;
+
+ msg = ofputil_encode_flow_mod(fm, protocol);
+ ofp_print(stdout, ofpbuf_data(msg), ofpbuf_size(msg), verbosity);
+ ofpbuf_delete(msg);
+
+ 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
+ofctl_parse_flow(int argc OVS_UNUSED, char *argv[])
+{
+ enum ofputil_protocol usable_protocols;
+ struct ofputil_flow_mod fm;
+ char *error;
+
+ error = parse_ofp_flow_mod_str(&fm, 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
+ofctl_parse_flows(int argc OVS_UNUSED, char *argv[])
+{
+ enum ofputil_protocol usable_protocols;
+ struct ofputil_flow_mod *fms = NULL;
+ size_t n_fms = 0;
+ char *error;
+
+ error = parse_ofp_flow_mod_file(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);
+}
+
+static void
+ofctl_parse_nxm__(bool oxm)
{
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;
- int error;
- char *s;
- /* Delete comments, skip blank lines. */
- s = ds_cstr(&in);
- if (*s == '#') {
- puts(s);
- continue;
- }
- if (strchr(s, '#')) {
- *strchr(s, '#') = '\0';
+ /* Convert string to nx_match. */
+ ofpbuf_init(&nx_match, 0);
+ 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);
}
- if (s[strspn(s, " ")] == '\0') {
- putchar('\n');
- continue;
+
+ /* Convert nx_match to match. */
+ if (strict) {
+ if (oxm) {
+ error = oxm_pull_match(&nx_match, &match);
+ } else {
+ error = nx_pull_match(&nx_match, match_len, &match,
+ &cookie, &cookie_mask);
+ }
+ } else {
+ if (oxm) {
+ error = oxm_pull_match_loose(&nx_match, &match);
+ } else {
+ error = nx_pull_match_loose(&nx_match, match_len, &match,
+ &cookie, &cookie_mask);
+ }
}
- /* Convert string to nx_match. */
- ofpbuf_init(&nx_match, 0);
- match_len = nx_match_from_string(ds_cstr(&in), &nx_match);
- /* Convert nx_match to cls_rule. */
- error = nx_pull_match(&nx_match, match_len, 0, &rule);
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);
+ if (oxm) {
+ match_len = oxm_put_match(&nx_match, &match);
+ 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(ofpbuf_data(&nx_match), match_len);
+ }
- /* Convert nx_match to string. */
- out = nx_match_to_string(nx_match.data, match_len);
puts(out);
free(out);
} else {
- printf("nx_pull_match() returned error %x\n", error);
+ printf("nx_pull_match() returned error %s\n",
+ ofperr_get_name(error));
}
ofpbuf_uninit(&nx_match);
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(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
+{
+ return ofctl_parse_nxm__(false);
+}
+
+/* "parse-oxm": 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. */
+static void
+ofctl_parse_oxm(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
+{
+ return ofctl_parse_nxm__(true);
+}
+
+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]);
+ }
+}
+
+/* "parse-ofp10-actions": reads a series of OpenFlow 1.0 action specifications
+ * 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_ofp10_actions(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
+{
+ struct ds in;
+
+ ds_init(&in);
+ while (!ds_get_preprocessed_line(&in, stdin, NULL)) {
+ struct ofpbuf of10_out;
+ struct ofpbuf of10_in;
+ struct ofpbuf ofpacts;
+ enum ofperr error;
+ size_t size;
+ struct ds s;
+
+ /* Parse hex bytes. */
+ ofpbuf_init(&of10_in, 0);
+ if (ofpbuf_put_hex(&of10_in, ds_cstr(&in), NULL)[0] != '\0') {
+ ovs_fatal(0, "Trailing garbage in hex data");
+ }
+
+ /* Convert to ofpacts. */
+ ofpbuf_init(&ofpacts, 0);
+ size = ofpbuf_size(&of10_in);
+ error = ofpacts_pull_openflow_actions(&of10_in, ofpbuf_size(&of10_in),
+ OFP10_VERSION, &ofpacts);
+ if (error) {
+ printf("bad OF1.1 actions: %s\n\n", ofperr_get_name(error));
+ ofpbuf_uninit(&ofpacts);
+ ofpbuf_uninit(&of10_in);
+ continue;
+ }
+ ofpbuf_push_uninit(&of10_in, size);
+
+ /* Print cls_rule. */
+ ds_init(&s);
+ ds_put_cstr(&s, "actions=");
+ ofpacts_format(ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts), &s);
+ puts(ds_cstr(&s));
+ ds_destroy(&s);
+
+ /* Convert back to ofp10 actions and print differences from input. */
+ ofpbuf_init(&of10_out, 0);
+ ofpacts_put_openflow_actions(ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts), &of10_out,
+ OFP10_VERSION);
+
+ print_differences("", ofpbuf_data(&of10_in), ofpbuf_size(&of10_in),
+ ofpbuf_data(&of10_out), ofpbuf_size(&of10_out));
+ putchar('\n');
+
+ ofpbuf_uninit(&ofpacts);
+ ofpbuf_uninit(&of10_in);
+ ofpbuf_uninit(&of10_out);
+ }
+ ds_destroy(&in);
+}
+
+/* "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(int argc OVS_UNUSED, char *argv[] 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 (ofpbuf_size(&match_expout) != sizeof(struct ofp10_match)) {
+ ovs_fatal(0, "Input is %"PRIu32" bytes, expected %"PRIuSIZE,
+ ofpbuf_size(&match_expout), 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 (ofpbuf_size(&match_in) != sizeof(struct ofp10_match)) {
+ ovs_fatal(0, "Input is %"PRIu32" bytes, expected %"PRIuSIZE,
+ ofpbuf_size(&match_in), sizeof(struct ofp10_match));
+ }
+
+ /* Convert to cls_rule and print. */
+ ofputil_match_from_ofp10_match(ofpbuf_data(&match_in), &match);
+ match_print(&match);
+
+ /* Convert back to ofp10_match and print differences from input. */
+ ofputil_match_to_ofp10_match(&match, &match_out);
+ print_differences("", ofpbuf_data(&match_expout), ofpbuf_size(&match_expout),
+ &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(int argc OVS_UNUSED, char *argv[] 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 (ofpbuf_size(&match_in) != sizeof(struct ofp11_match)) {
+ ovs_fatal(0, "Input is %"PRIu32" bytes, expected %"PRIuSIZE,
+ ofpbuf_size(&match_in), sizeof(struct ofp11_match));
+ }
+
+ /* Convert to match. */
+ error = ofputil_match_from_ofp11_match(ofpbuf_data(&match_in), &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("", ofpbuf_data(&match_in), ofpbuf_size(&match_in),
+ &match_out, sizeof match_out);
+ putchar('\n');
+
+ ofpbuf_uninit(&match_in);
+ }
+ ds_destroy(&in);
+}
+
+/* "parse-ofp11-actions": reads a series of OpenFlow 1.1 action specifications
+ * 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_ofp11_actions(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
+{
+ struct ds in;
+
+ ds_init(&in);
+ while (!ds_get_preprocessed_line(&in, stdin, NULL)) {
+ struct ofpbuf of11_out;
+ struct ofpbuf of11_in;
+ struct ofpbuf ofpacts;
+ enum ofperr error;
+ size_t size;
+ struct ds s;
+
+ /* Parse hex bytes. */
+ ofpbuf_init(&of11_in, 0);
+ if (ofpbuf_put_hex(&of11_in, ds_cstr(&in), NULL)[0] != '\0') {
+ ovs_fatal(0, "Trailing garbage in hex data");
+ }
+
+ /* Convert to ofpacts. */
+ ofpbuf_init(&ofpacts, 0);
+ size = ofpbuf_size(&of11_in);
+ error = ofpacts_pull_openflow_actions(&of11_in, ofpbuf_size(&of11_in),
+ OFP11_VERSION, &ofpacts);
+ if (error) {
+ printf("bad OF1.1 actions: %s\n\n", ofperr_get_name(error));
+ ofpbuf_uninit(&ofpacts);
+ ofpbuf_uninit(&of11_in);
+ continue;
+ }
+ ofpbuf_push_uninit(&of11_in, size);
+
+ /* Print cls_rule. */
+ ds_init(&s);
+ ds_put_cstr(&s, "actions=");
+ ofpacts_format(ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts), &s);
+ puts(ds_cstr(&s));
+ ds_destroy(&s);
+
+ /* Convert back to ofp11 actions and print differences from input. */
+ ofpbuf_init(&of11_out, 0);
+ ofpacts_put_openflow_actions(ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts), &of11_out,
+ OFP11_VERSION);
+
+ print_differences("", ofpbuf_data(&of11_in), ofpbuf_size(&of11_in),
+ ofpbuf_data(&of11_out), ofpbuf_size(&of11_out));
+ putchar('\n');
+
+ ofpbuf_uninit(&ofpacts);
+ ofpbuf_uninit(&of11_in);
+ ofpbuf_uninit(&of11_out);
+ }
+ ds_destroy(&in);
+}
+
+/* "parse-ofp11-instructions": reads a series of OpenFlow 1.1 instruction
+ * specifications 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_ofp11_instructions(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
+{
+ struct ds in;
+
+ ds_init(&in);
+ while (!ds_get_preprocessed_line(&in, stdin, NULL)) {
+ struct ofpbuf of11_out;
+ struct ofpbuf of11_in;
+ struct ofpbuf ofpacts;
+ enum ofperr error;
+ size_t size;
+ struct ds s;
+ const char *table_id;
+ char *instructions;
+
+ /* Parse table_id separated with the follow-up instructions by ",", if
+ * any. */
+ instructions = ds_cstr(&in);
+ table_id = NULL;
+ if (strstr(instructions, ",")) {
+ table_id = strsep(&instructions, ",");
+ }
+
+ /* Parse hex bytes. */
+ ofpbuf_init(&of11_in, 0);
+ if (ofpbuf_put_hex(&of11_in, instructions, NULL)[0] != '\0') {
+ ovs_fatal(0, "Trailing garbage in hex data");
+ }
+
+ /* Convert to ofpacts. */
+ ofpbuf_init(&ofpacts, 0);
+ size = ofpbuf_size(&of11_in);
+ error = ofpacts_pull_openflow_instructions(&of11_in, ofpbuf_size(&of11_in),
+ OFP11_VERSION, &ofpacts);
+ if (!error) {
+ /* Verify actions, enforce consistency. */
+ struct flow flow;
+ memset(&flow, 0, sizeof flow);
+ error = ofpacts_check_consistency(ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts),
+ &flow, OFPP_MAX,
+ table_id ? atoi(table_id) : 0,
+ 255, OFPUTIL_P_OF11_STD);
+ }
+ if (error) {
+ printf("bad OF1.1 instructions: %s\n\n", ofperr_get_name(error));
+ ofpbuf_uninit(&ofpacts);
+ ofpbuf_uninit(&of11_in);
+ continue;
+ }
+ ofpbuf_push_uninit(&of11_in, size);
+
+ /* Print cls_rule. */
+ ds_init(&s);
+ ds_put_cstr(&s, "actions=");
+ ofpacts_format(ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts), &s);
+ puts(ds_cstr(&s));
+ ds_destroy(&s);
+
+ /* Convert back to ofp11 instructions and print differences from
+ * input. */
+ ofpbuf_init(&of11_out, 0);
+ ofpacts_put_openflow_instructions(ofpbuf_data(&ofpacts), ofpbuf_size(&ofpacts),
+ &of11_out, OFP13_VERSION);
+
+ print_differences("", ofpbuf_data(&of11_in), ofpbuf_size(&of11_in),
+ ofpbuf_data(&of11_out), ofpbuf_size(&of11_out));
+ putchar('\n');
+
+ ofpbuf_uninit(&ofpacts);
+ ofpbuf_uninit(&of11_in);
+ ofpbuf_uninit(&of11_out);
+ }
+ ds_destroy(&in);
+}
+
+/* "parse-pcap PCAP": read packets from PCAP and print their flows. */
+static void
+ofctl_parse_pcap(int argc OVS_UNUSED, char *argv[])
+{
+ FILE *pcap;
+
+ pcap = ovs_pcap_open(argv[1], "rb");
+ if (!pcap) {
+ ovs_fatal(errno, "%s: open failed", argv[1]);
+ }
+
+ for (;;) {
+ struct ofpbuf *packet;
+ struct flow flow;
+ const struct pkt_metadata md = PKT_METADATA_INITIALIZER(ODPP_NONE);
+ int error;
+
+ error = ovs_pcap_read(pcap, &packet, NULL);
+ if (error == EOF) {
+ break;
+ } else if (error) {
+ ovs_fatal(error, "%s: read failed", argv[1]);
+ }
+
+ flow_extract(packet, &md, &flow);
+ flow_print(stdout, &flow);
+ putchar('\n');
+ ofpbuf_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(int argc OVS_UNUSED, char *argv[])
+{
+ 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(argv[1], NULL, 16));
+ match.wc.masks.vlan_tci = htons(strtoul(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(ofpbuf_data(&nxm), 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);
+ 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(int argc OVS_UNUSED, char *argv[])
+{
+ enum ofperr error;
+ int version;
+
+ error = ofperr_from_name(argv[1]);
+ if (!error) {
+ ovs_fatal(0, "unknown error \"%s\"", 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(int argc OVS_UNUSED, char *argv[])
+{
+ const struct ofp_header *oh;
+ struct ofpbuf request, *reply;
+ enum ofperr error;
+
+ error = ofperr_from_name(argv[1]);
+ if (!error) {
+ ovs_fatal(0, "unknown error \"%s\"", argv[1]);
+ }
+
+ ofpbuf_init(&request, 0);
+ if (ofpbuf_put_hex(&request, argv[2], NULL)[0] != '\0') {
+ ovs_fatal(0, "Trailing garbage in hex data");
+ }
+ if (ofpbuf_size(&request) < sizeof(struct ofp_header)) {
+ ovs_fatal(0, "Request too short");
+ }
+
+ oh = ofpbuf_data(&request);
+ if (ofpbuf_size(&request) != ntohs(oh->length)) {
+ ovs_fatal(0, "Request size inconsistent");
+ }
+
+ reply = ofperr_encode_reply(error, ofpbuf_data(&request));
+ ofpbuf_uninit(&request);
+
+ ovs_hex_dump(stdout, ofpbuf_data(reply), ofpbuf_size(reply), 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). */
static void
-do_ofp_print(int argc, char *argv[])
+ofctl_ofp_print(int argc, char *argv[])
{
struct ofpbuf packet;
if (ofpbuf_put_hex(&packet, argv[1], 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, ofpbuf_data(&packet), ofpbuf_size(&packet), argc > 2 ? atoi(argv[2]) : 2);
ofpbuf_uninit(&packet);
}
+/* "encode-hello BITMAP...": Encodes each BITMAP as an OpenFlow hello message
+ * and dumps each message in hex. */
+static void
+ofctl_encode_hello(int argc OVS_UNUSED, char *argv[])
+{
+ uint32_t bitmap = strtol(argv[1], NULL, 0);
+ struct ofpbuf *hello;
+
+ hello = ofputil_encode_hello(bitmap);
+ ovs_hex_dump(stdout, ofpbuf_data(hello), ofpbuf_size(hello), 0, false);
+ ofp_print(stdout, ofpbuf_data(hello), ofpbuf_size(hello), verbosity);
+ ofpbuf_delete(hello);
+}
+
static const struct command all_commands[] = {
- { "show", 1, 1, do_show },
- { "status", 1, 2, do_status },
- { "monitor", 1, 2, 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 },
- { "dump-ports", 1, 2, do_dump_ports },
- { "mod-port", 3, 3, do_mod_port },
- { "probe", 1, 1, do_probe },
- { "ping", 1, 2, do_ping },
- { "benchmark", 3, 3, do_benchmark },
- { "help", 0, INT_MAX, do_help },
+ { "show", 1, 1, ofctl_show },
+ { "monitor", 1, 3, ofctl_monitor },
+ { "snoop", 1, 1, ofctl_snoop },
+ { "dump-desc", 1, 1, ofctl_dump_desc },
+ { "dump-tables", 1, 1, ofctl_dump_tables },
+ { "dump-table-features", 1, 1, ofctl_dump_table_features },
+ { "dump-flows", 1, 2, ofctl_dump_flows },
+ { "dump-aggregate", 1, 2, ofctl_dump_aggregate },
+ { "queue-stats", 1, 3, ofctl_queue_stats },
+ { "queue-get-config", 2, 2, ofctl_queue_get_config },
+ { "add-flow", 2, 2, ofctl_add_flow },
+ { "add-flows", 2, 2, ofctl_add_flows },
+ { "mod-flows", 2, 2, ofctl_mod_flows },
+ { "del-flows", 1, 2, ofctl_del_flows },
+ { "replace-flows", 2, 2, ofctl_replace_flows },
+ { "diff-flows", 2, 2, ofctl_diff_flows },
+ { "add-meter", 2, 2, ofctl_add_meter },
+ { "mod-meter", 2, 2, ofctl_mod_meter },
+ { "del-meter", 2, 2, ofctl_del_meters },
+ { "del-meters", 1, 1, ofctl_del_meters },
+ { "dump-meter", 2, 2, ofctl_dump_meters },
+ { "dump-meters", 1, 1, ofctl_dump_meters },
+ { "meter-stats", 1, 2, ofctl_meter_stats },
+ { "meter-features", 1, 1, ofctl_meter_features },
+ { "packet-out", 4, INT_MAX, ofctl_packet_out },
+ { "dump-ports", 1, 2, ofctl_dump_ports },
+ { "dump-ports-desc", 1, 1, ofctl_dump_ports_desc },
+ { "mod-port", 3, 3, ofctl_mod_port },
+ { "mod-table", 3, 3, ofctl_mod_table },
+ { "get-frags", 1, 1, ofctl_get_frags },
+ { "set-frags", 2, 2, ofctl_set_frags },
+ { "probe", 1, 1, ofctl_probe },
+ { "ping", 1, 2, ofctl_ping },
+ { "benchmark", 3, 3, ofctl_benchmark },
+
+ { "ofp-parse", 1, 1, ofctl_ofp_parse },
+ { "ofp-parse-pcap", 1, INT_MAX, ofctl_ofp_parse_pcap },
+
+ { "add-group", 1, 2, ofctl_add_group },
+ { "add-groups", 1, 2, ofctl_add_groups },
+ { "mod-group", 1, 2, ofctl_mod_group },
+ { "del-groups", 1, 2, ofctl_del_groups },
+ { "dump-groups", 1, 1, ofctl_dump_group_desc },
+ { "dump-group-stats", 1, 2, ofctl_dump_group_stats },
+ { "dump-group-features", 1, 1, ofctl_dump_group_features },
+ { "help", 0, INT_MAX, ofctl_help },
/* 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 },
+ { "parse-flow", 1, 1, ofctl_parse_flow },
+ { "parse-flows", 1, 1, ofctl_parse_flows },
+ { "parse-nx-match", 0, 0, ofctl_parse_nxm },
+ { "parse-nxm", 0, 0, ofctl_parse_nxm },
+ { "parse-oxm", 0, 0, ofctl_parse_oxm },
+ { "parse-ofp10-actions", 0, 0, ofctl_parse_ofp10_actions },
+ { "parse-ofp10-match", 0, 0, ofctl_parse_ofp10_match },
+ { "parse-ofp11-match", 0, 0, ofctl_parse_ofp11_match },
+ { "parse-ofp11-actions", 0, 0, ofctl_parse_ofp11_actions },
+ { "parse-ofp11-instructions", 0, 0, ofctl_parse_ofp11_instructions },
+ { "parse-pcap", 1, 1, ofctl_parse_pcap },
+ { "check-vlan", 2, 2, ofctl_check_vlan },
+ { "print-error", 1, 1, ofctl_print_error },
+ { "encode-error-reply", 2, 2, ofctl_encode_error_reply },
+ { "ofp-print", 1, 2, ofctl_ofp_print },
+ { "encode-hello", 1, 1, ofctl_encode_hello },
{ NULL, 0, 0, NULL },
};
+
+static const struct command *get_all_commands(void)
+{
+ return all_commands;
+}
git://git.onelab.eu / sliver-openvswitch.git / blobdiff