/*
- * Copyright (c) 2008, 2009, 2010 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2010, 2011, 2012 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 <arpa/inet.h>
+#include <ctype.h>
#include <errno.h>
#include <getopt.h>
#include <inttypes.h>
+#include <sys/socket.h>
#include <net/if.h>
-#include <netinet/in.h>
#include <signal.h>
-#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
+#include <sys/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 "netdev.h"
-#include "netlink.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 "ofpbuf.h"
+#include "ofproto/ofproto.h"
#include "openflow/nicira-ext.h"
#include "openflow/openflow.h"
#include "packets.h"
+#include "poll-loop.h"
#include "random.h"
-#include "socket-util.h"
#include "stream-ssl.h"
#include "timeval.h"
+#include "unixctl.h"
#include "util.h"
#include "vconn.h"
-#include "xtoxll.h"
-
#include "vlog.h"
-#define THIS_MODULE VLM_ofctl
-
-#define DEFAULT_IDLE_TIMEOUT 60
+#include "meta-flow.h"
+#include "sort.h"
-#define MOD_PORT_CMD_UP "up"
-#define MOD_PORT_CMD_DOWN "down"
-#define MOD_PORT_CMD_FLOOD "flood"
-#define MOD_PORT_CMD_NOFLOOD "noflood"
+VLOG_DEFINE_THIS_MODULE(ofctl);
-/* 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;
+/* --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;
+
+/* --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 all_commands[];
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]);
- time_init();
- vlog_init();
parse_options(argc, argv);
signal(SIGPIPE, SIG_IGN);
run_command(argc - optind, argv + optind, 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,
VLOG_OPTION_ENUMS
};
static struct option long_options[] = {
- {"timeout", required_argument, 0, 't'},
- {"strict", no_argument, 0, OPT_STRICT},
- {"help", no_argument, 0, 'h'},
- {"version", no_argument, 0, 'V'},
+ {"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'},
+ {"version", no_argument, NULL, 'V'},
+ DAEMON_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);
}
break;
+ case 'F':
+ 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 'm':
+ verbosity++;
+ break;
+
case 'h':
usage();
case 'V':
- OVS_PRINT_VERSION(OFP_VERSION, OFP_VERSION);
+ ovs_print_version(OFP10_VERSION, OFP10_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
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);
}
"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"
" mod-port SWITCH IFACE ACT modify port 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"
" dump-aggregate SWITCH FLOW print aggregate stats for FLOWs\n"
+ " queue-stats SWITCH [PORT [QUEUE]] dump queue stats\n"
" add-flow SWITCH FLOW add flow described by FLOW\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 EXP 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"
"\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"
+ "where SWITCH or TARGET is an active OpenFlow connection method.\n",
program_name, program_name);
vconn_usage(true, false, false);
+ daemon_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);
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
open_vconn_socket(const char *name, struct vconn **vconnp)
{
char *vconn_name = xasprintf("unix:%s", name);
- VLOG_INFO("connecting to %s", vconn_name);
- run(vconn_open_block(vconn_name, OFP_VERSION, vconnp),
+ VLOG_DBG("connecting to %s", vconn_name);
+ run(vconn_open_block(vconn_name, OFP10_VERSION, vconnp),
"connecting to %s", vconn_name);
free(vconn_name);
}
-static void
-open_vconn(const char *name, struct vconn **vconnp)
+static enum ofputil_protocol
+open_vconn__(const char *name, const char *default_suffix,
+ struct vconn **vconnp)
{
- struct dpif *dpif;
+ char *datapath_name, *datapath_type, *socket_name;
+ enum ofputil_protocol protocol;
+ char *bridge_path;
+ int ofp_version;
struct stat s;
- char *bridge_path, *datapath_name, *datapath_type;
- bridge_path = xasprintf("%s/%s.mgmt", ovs_rundir, name);
- dp_parse_name(name, &datapath_name, &datapath_type);
+ bridge_path = xasprintf("%s/%s.%s", ovs_rundir(), name, default_suffix);
- if (strstr(name, ":")) {
- run(vconn_open_block(name, OFP_VERSION, vconnp),
+ ofproto_parse_name(name, &datapath_name, &datapath_type);
+ socket_name = xasprintf("%s/%s.%s",
+ ovs_rundir(), datapath_name, default_suffix);
+ free(datapath_name);
+ free(datapath_type);
+
+ if (strchr(name, ':')) {
+ run(vconn_open_block(name, OFP10_VERSION, 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_INFO("datapath %s is named %s", name, dpif_name);
- }
-
- socket_name = xasprintf("%s/%s.mgmt", ovs_rundir, dpif_name);
- 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)) {
+ } else if (!stat(socket_name, &s)) {
+ if (!S_ISSOCK(s.st_mode)) {
ovs_fatal(0, "cannot connect to %s: %s is not a socket",
name, socket_name);
}
-
open_vconn_socket(socket_name, vconnp);
- free(socket_name);
} else {
- ovs_fatal(0, "%s is not a valid connection method", name);
+ ovs_fatal(0, "%s is not a bridge or a socket", name);
}
- free(datapath_name);
- free(datapath_type);
free(bridge_path);
+ free(socket_name);
+
+ 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");
}
struct vconn *vconn;
struct ofpbuf *reply;
- update_openflow_length(request);
+ ofpmsg_update_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, 1);
+ ofp_print(stdout, reply->data, reply->size, verbosity + 1);
+ ofpbuf_delete(reply);
vconn_close(vconn);
}
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);
+ request = ofpraw_alloc(raw, OFP10_VERSION, 0);
dump_transaction(vconn_name, request);
}
static void
-dump_stats_transaction(const char *vconn_name, struct ofpbuf *request)
+dump_stats_transaction(struct vconn *vconn, struct ofpbuf *request)
{
- uint32_t send_xid = ((struct ofp_header *) request->data)->xid;
- struct vconn *vconn;
+ const struct ofp_header *request_oh = request->data;
+ 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, request->data, request->size);
+ 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;
if (send_xid == recv_xid) {
- struct ofp_stats_reply *osr;
+ enum ofpraw raw;
- ofp_print(stdout, reply->data, reply->size, 1);
+ ofp_print(stdout, reply->data, reply->size, verbosity + 1);
- osr = ofpbuf_at(reply, 0, sizeof *osr);
- done = !osr || !(ntohs(osr->flags) & OFPSF_REPLY_MORE);
+ ofpraw_decode(&raw, reply->data);
+ if (ofptype_from_ofpraw(raw) == OFPTYPE_ERROR) {
+ done = true;
+ } else if (raw == reply_raw) {
+ done = !ofpmp_more(reply->data);
+ } else {
+ ovs_fatal(0, "received bad reply: %s",
+ ofp_to_string(reply->data, reply->size,
+ verbosity + 1));
+ }
} else {
VLOG_DBG("received reply with xid %08"PRIx32" "
"!= expected %08"PRIx32, recv_xid, send_xid);
}
ofpbuf_delete(reply);
}
- 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;
-static void
-do_show(int argc OVS_UNUSED, char *argv[])
-{
- dump_trivial_transaction(argv[1], OFPT_FEATURES_REQUEST);
- dump_trivial_transaction(argv[1], OFPT_GET_CONFIG_REQUEST);
+ 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.
+ *
+ * Destroys all of the 'requests'. */
static void
-do_status(int argc, char *argv[])
+transact_multiple_noreply(struct vconn *vconn, struct list *requests)
{
- struct nicira_header *request, *reply;
- struct vconn *vconn;
- struct ofpbuf *b;
+ struct ofpbuf *request, *reply;
- request = make_openflow(sizeof *request, OFPT_VENDOR, &b);
- request->vendor = htonl(NX_VENDOR_ID);
- request->subtype = htonl(NXT_STATUS_REQUEST);
- if (argc > 2) {
- ofpbuf_put(b, argv[2], strlen(argv[2]));
- update_openflow_length(b);
+ LIST_FOR_EACH (request, list_node, requests) {
+ ofpmsg_update_length(request);
}
- open_vconn(argv[1], &vconn);
- run(vconn_transact(vconn, b, &b), "talking to %s", argv[1]);
- vconn_close(vconn);
- if (b->size < sizeof *reply) {
- ovs_fatal(0, "short reply (%zu bytes)", b->size);
+ 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);
+ exit(1);
}
- 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, 2);
- ovs_fatal(0, "bad reply");
- }
-
- fwrite(reply + 1, b->size - sizeof *reply, 1, stdout);
+ 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.
+ *
+ * Destroys 'request'. */
static void
-do_dump_desc(int argc OVS_UNUSED, char *argv[])
+transact_noreply(struct vconn *vconn, struct ofpbuf *request)
{
- dump_trivial_stats_transaction(argv[1], OFPST_DESC);
+ struct list requests;
+
+ list_init(&requests);
+ list_push_back(&requests, &request->list_node);
+ transact_multiple_noreply(vconn, &requests);
}
static void
-do_dump_tables(int argc OVS_UNUSED, char *argv[])
+fetch_switch_config(struct vconn *vconn, struct ofp_switch_config *config_)
{
- dump_trivial_stats_transaction(argv[1], OFPST_TABLE);
-}
-
+ struct ofp_switch_config *config;
+ struct ofpbuf *request;
+ struct ofpbuf *reply;
+ enum ofptype type;
-static uint32_t
-str_to_u32(const char *str)
-{
- char *tail;
- uint32_t value;
+ request = ofpraw_alloc(OFPRAW_OFPT_GET_CONFIG_REQUEST, OFP10_VERSION, 0);
+ run(vconn_transact(vconn, request, &reply),
+ "talking to %s", vconn_get_name(vconn));
- errno = 0;
- value = strtoul(str, &tail, 0);
- if (errno == EINVAL || errno == ERANGE || *tail) {
- ovs_fatal(0, "invalid numeric format %s", str);
+ if (ofptype_pull(&type, reply) || type != OFPTYPE_GET_CONFIG_REPLY) {
+ ovs_fatal(0, "%s: bad reply to config request", vconn_get_name(vconn));
}
- return value;
-}
-static void
-str_to_mac(const char *str, uint8_t mac[6])
-{
- if (sscanf(str, ETH_ADDR_SCAN_FMT, ETH_ADDR_SCAN_ARGS(mac))
- != ETH_ADDR_SCAN_COUNT) {
- ovs_fatal(0, "invalid mac address %s", str);
- }
+ config = ofpbuf_pull(reply, sizeof *config);
+ *config_ = *config;
+
+ ofpbuf_delete(reply);
}
-static uint32_t
-str_to_ip(const char *str_, uint32_t *ip)
+static void
+set_switch_config(struct vconn *vconn, const struct ofp_switch_config *config)
{
- char *str = xstrdup(str_);
- char *save_ptr = NULL;
- const char *name, *netmask;
- struct in_addr in_addr;
- int n_wild, retval;
-
- name = strtok_r(str, "/", &save_ptr);
- retval = name ? lookup_ip(name, &in_addr) : EINVAL;
- if (retval) {
- ovs_fatal(0, "%s: could not convert to IP address", str);
- }
- *ip = in_addr.s_addr;
-
- netmask = strtok_r(NULL, "/", &save_ptr);
- if (netmask) {
- uint8_t o[4];
- if (sscanf(netmask, "%"SCNu8".%"SCNu8".%"SCNu8".%"SCNu8,
- &o[0], &o[1], &o[2], &o[3]) == 4) {
- uint32_t nm = (o[0] << 24) | (o[1] << 16) | (o[2] << 8) | o[3];
- int i;
-
- /* Find first 1-bit. */
- for (i = 0; i < 32; i++) {
- if (nm & (1u << i)) {
- break;
- }
- }
- n_wild = i;
+ struct ofpbuf *request;
- /* Verify that the rest of the bits are 1-bits. */
- for (; i < 32; i++) {
- if (!(nm & (1u << i))) {
- ovs_fatal(0, "%s: %s is not a valid netmask",
- str, netmask);
- }
- }
- } else {
- int prefix = atoi(netmask);
- if (prefix <= 0 || prefix > 32) {
- ovs_fatal(0, "%s: network prefix bits not between 1 and 32",
- str);
- }
- n_wild = 32 - prefix;
- }
- } else {
- n_wild = 0;
- }
+ request = ofpraw_alloc(OFPRAW_OFPT_SET_CONFIG, OFP10_VERSION, 0);
+ ofpbuf_put(request, config, sizeof *config);
- free(str);
- return n_wild;
+ transact_noreply(vconn, request);
}
-static uint16_t
-str_to_port_no(const char *vconn_name, const char *str)
+static void
+ofctl_show(int argc OVS_UNUSED, char *argv[])
{
- struct ofpbuf *request, *reply;
- struct ofp_switch_features *osf;
+ const char *vconn_name = argv[1];
struct vconn *vconn;
- int n_ports;
- int port_idx;
- unsigned int port_no;
-
-
- /* Check if the argument is a port index. Otherwise, treat it as
- * the port name. */
- if (str_to_uint(str, 10, &port_no)) {
- return port_no;
- }
+ struct ofpbuf *request;
+ struct ofpbuf *reply;
+ bool trunc;
- /* Send a "Features Request" to resolve the name into a number. */
- make_openflow(sizeof(struct ofp_header), OFPT_FEATURES_REQUEST, &request);
+ request = ofpraw_alloc(OFPRAW_OFPT_FEATURES_REQUEST, OFP10_VERSION, 0);
open_vconn(vconn_name, &vconn);
run(vconn_transact(vconn, request, &reply), "talking to %s", vconn_name);
- osf = reply->data;
- n_ports = (reply->size - sizeof *osf) / sizeof *osf->ports;
-
- for (port_idx = 0; port_idx < n_ports; port_idx++) {
- /* Check argument as an interface name */
- if (!strncmp((char *)osf->ports[port_idx].name, str,
- sizeof osf->ports[0].name)) {
- break;
- }
- }
- if (port_idx == n_ports) {
- ovs_fatal(0, "couldn't find monitored port: %s", str);
- }
+ trunc = ofputil_switch_features_ports_trunc(reply);
+ ofp_print(stdout, reply->data, reply->size, verbosity + 1);
ofpbuf_delete(reply);
vconn_close(vconn);
- return port_idx;
-}
-
-static void *
-put_action(struct ofpbuf *b, size_t size, uint16_t type)
-{
- struct ofp_action_header *ah = ofpbuf_put_zeros(b, size);
- ah->type = htons(type);
- ah->len = htons(size);
- return ah;
+ 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);
}
-static struct ofp_action_output *
-put_output_action(struct ofpbuf *b, uint16_t port)
+static void
+ofctl_dump_desc(int argc OVS_UNUSED, char *argv[])
{
- struct ofp_action_output *oao = put_action(b, sizeof *oao, OFPAT_OUTPUT);
- oao->port = htons(port);
- return oao;
+ dump_trivial_stats_transaction(argv[1], OFPRAW_OFPST_DESC_REQUEST);
}
static void
-put_dl_addr_action(struct ofpbuf *b, uint16_t type, const char *addr)
+ofctl_dump_tables(int argc OVS_UNUSED, char *argv[])
{
- struct ofp_action_dl_addr *oada = put_action(b, sizeof *oada, type);
- str_to_mac(addr, oada->dl_addr);
+ dump_trivial_stats_transaction(argv[1], OFPRAW_OFPST_TABLE_REQUEST);
}
-
static bool
-parse_port_name(const char *name, uint16_t *port)
+fetch_port_by_features(const char *vconn_name,
+ const char *port_name, unsigned int port_no,
+ struct ofputil_phy_port *pp, bool *trunc)
{
- struct pair {
- const char *name;
- uint16_t value;
- };
- static const struct pair pairs[] = {
-#define DEF_PAIR(NAME) {#NAME, OFPP_##NAME}
- DEF_PAIR(IN_PORT),
- DEF_PAIR(TABLE),
- DEF_PAIR(NORMAL),
- DEF_PAIR(FLOOD),
- DEF_PAIR(ALL),
- DEF_PAIR(CONTROLLER),
- DEF_PAIR(LOCAL),
- DEF_PAIR(NONE),
-#undef DEF_PAIR
- };
- static const int n_pairs = ARRAY_SIZE(pairs);
- size_t i;
+ 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;
- for (i = 0; i < n_pairs; i++) {
- if (!strcasecmp(name, pairs[i].name)) {
- *port = pairs[i].value;
- return true;
+ /* Fetch the switch's ofp_switch_features. */
+ request = ofpraw_alloc(OFPRAW_OFPT_FEATURES_REQUEST, OFP10_VERSION, 0);
+ open_vconn(vconn_name, &vconn);
+ run(vconn_transact(vconn, request, &reply), "talking to %s", vconn_name);
+ vconn_close(vconn);
+
+ oh = reply->data;
+ if (ofptype_decode(&type, reply->data)
+ || type != OFPTYPE_FEATURES_REPLY) {
+ ovs_fatal(0, "%s: received bad features reply", vconn_name);
+ }
+
+ *trunc = false;
+ if (ofputil_switch_features_ports_trunc(reply)) {
+ *trunc = true;
+ goto exit;
+ }
+
+ 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));
+ }
+
+ while (!ofputil_pull_phy_port(oh->version, &b, pp)) {
+ if (port_no != UINT_MAX
+ ? port_no == pp->port_no
+ : !strcmp(pp->name, port_name)) {
+ found = true;
+ goto exit;
}
}
- return false;
+
+exit:
+ ofpbuf_delete(reply);
+ return found;
}
-static void
-str_to_action(char *str, struct ofpbuf *b)
+static bool
+fetch_port_by_stats(const char *vconn_name,
+ const char *port_name, unsigned int port_no,
+ struct ofputil_phy_port *pp)
{
- char *act, *arg;
- char *saveptr = NULL;
- bool drop = false;
- int n_actions;
+ struct ofpbuf *request;
+ struct vconn *vconn;
+ ovs_be32 send_xid;
+ bool done = false;
+ bool found = false;
- for (act = strtok_r(str, ", \t\r\n", &saveptr), n_actions = 0; act;
- act = strtok_r(NULL, ", \t\r\n", &saveptr), n_actions++)
- {
- uint16_t port;
+ request = ofpraw_alloc(OFPRAW_OFPST_PORT_DESC_REQUEST, OFP10_VERSION, 0);
+ send_xid = ((struct ofp_header *) request->data)->xid;
- if (drop) {
- ovs_fatal(0, "Drop actions must not be followed by other actions");
- }
+ open_vconn(vconn_name, &vconn);
+ send_openflow_buffer(vconn, request);
+ while (!done) {
+ ovs_be32 recv_xid;
+ struct ofpbuf *reply;
- /* Arguments are separated by colons */
- arg = strchr(act, ':');
- if (arg) {
- *arg = '\0';
- arg++;
- }
+ run(vconn_recv_block(vconn, &reply), "OpenFlow packet receive failed");
+ recv_xid = ((struct ofp_header *) reply->data)->xid;
+ if (send_xid == recv_xid) {
+ struct ofp_header *oh = reply->data;
+ enum ofptype type;
+ struct ofpbuf b;
+ uint16_t flags;
+
+ ofpbuf_use_const(&b, oh, ntohs(oh->length));
+ if (ofptype_pull(&type, &b)
+ || type != OFPTYPE_PORT_DESC_STATS_REPLY) {
+ ovs_fatal(0, "received bad reply: %s",
+ ofp_to_string(reply->data, reply->size,
+ verbosity + 1));
+ }
- if (!strcasecmp(act, "mod_vlan_vid")) {
- struct ofp_action_vlan_vid *va;
- va = put_action(b, sizeof *va, OFPAT_SET_VLAN_VID);
- va->vlan_vid = htons(str_to_u32(arg));
- } else if (!strcasecmp(act, "mod_vlan_pcp")) {
- struct ofp_action_vlan_pcp *va;
- va = put_action(b, sizeof *va, OFPAT_SET_VLAN_PCP);
- va->vlan_pcp = str_to_u32(arg);
- } else if (!strcasecmp(act, "strip_vlan")) {
- struct ofp_action_header *ah;
- ah = put_action(b, sizeof *ah, OFPAT_STRIP_VLAN);
- ah->type = htons(OFPAT_STRIP_VLAN);
- } else if (!strcasecmp(act, "mod_dl_src")) {
- put_dl_addr_action(b, OFPAT_SET_DL_SRC, arg);
- } else if (!strcasecmp(act, "mod_dl_dst")) {
- put_dl_addr_action(b, OFPAT_SET_DL_DST, arg);
- } else if (!strcasecmp(act, "mod_nw_src")) {
- struct ofp_action_nw_addr *na;
- na = put_action(b, sizeof *na, OFPAT_SET_NW_SRC);
- str_to_ip(arg, &na->nw_addr);
- } else if (!strcasecmp(act, "mod_nw_dst")) {
- struct ofp_action_nw_addr *na;
- na = put_action(b, sizeof *na, OFPAT_SET_NW_DST);
- str_to_ip(arg, &na->nw_addr);
- } else if (!strcasecmp(act, "mod_tp_src")) {
- struct ofp_action_tp_port *ta;
- ta = put_action(b, sizeof *ta, OFPAT_SET_TP_SRC);
- ta->tp_port = htons(str_to_u32(arg));
- } else if (!strcasecmp(act, "mod_tp_dst")) {
- struct ofp_action_tp_port *ta;
- ta = put_action(b, sizeof *ta, OFPAT_SET_TP_DST);
- ta->tp_port = htons(str_to_u32(arg));
- } else if (!strcasecmp(act, "mod_nw_tos")) {
- struct ofp_action_nw_tos *nt;
- nt = put_action(b, sizeof *nt, OFPAT_SET_NW_TOS);
- nt->nw_tos = str_to_u32(arg);
- } else if (!strcasecmp(act, "output")) {
- put_output_action(b, str_to_u32(arg));
- } else if (!strcasecmp(act, "drop")) {
- /* A drop action in OpenFlow occurs by just not setting
- * an action. */
- drop = true;
- if (n_actions) {
- ovs_fatal(0, "Drop actions must not be preceded by other "
- "actions");
+ flags = ofpmp_flags(oh);
+ done = !(flags & OFPSF_REPLY_MORE);
+
+ if (found) {
+ /* We've already found the port, but we need to drain
+ * the queue of any other replies for this request. */
+ continue;
}
- } else if (!strcasecmp(act, "CONTROLLER")) {
- struct ofp_action_output *oao;
- oao = put_output_action(b, OFPP_CONTROLLER);
-
- /* Unless a numeric argument is specified, we send the whole
- * packet to the controller. */
- if (arg && (strspn(arg, "0123456789") == strlen(arg))) {
- oao->max_len = htons(str_to_u32(arg));
- } else {
- oao->max_len = htons(UINT16_MAX);
+
+ while (!ofputil_pull_phy_port(oh->version, &b, pp)) {
+ if (port_no != UINT_MAX ? port_no == pp->port_no
+ : !strcmp(pp->name, port_name)) {
+ found = true;
+ break;
+ }
}
- } else if (parse_port_name(act, &port)) {
- put_output_action(b, port);
- } else if (strspn(act, "0123456789") == strlen(act)) {
- put_output_action(b, str_to_u32(act));
} else {
- ovs_fatal(0, "Unknown action: %s", act);
+ VLOG_DBG("received reply with xid %08"PRIx32" "
+ "!= expected %08"PRIx32, recv_xid, send_xid);
}
+ ofpbuf_delete(reply);
}
+ vconn_close(vconn);
+
+ return found;
}
-struct protocol {
- const char *name;
- uint16_t dl_type;
- uint8_t nw_proto;
-};
-static bool
-parse_protocol(const char *name, const struct protocol **p_out)
-{
- static const struct protocol protocols[] = {
- { "ip", ETH_TYPE_IP, 0 },
- { "arp", ETH_TYPE_ARP, 0 },
- { "icmp", ETH_TYPE_IP, IP_TYPE_ICMP },
- { "tcp", ETH_TYPE_IP, IP_TYPE_TCP },
- { "udp", ETH_TYPE_IP, IP_TYPE_UDP },
- };
- const struct protocol *p;
+/* 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
+fetch_ofputil_phy_port(const char *vconn_name, const char *port_name,
+ struct ofputil_phy_port *pp)
+{
+ unsigned int port_no;
+ bool found;
+ bool trunc;
- for (p = protocols; p < &protocols[ARRAY_SIZE(protocols)]; p++) {
- if (!strcmp(p->name, name)) {
- *p_out = p;
- return true;
- }
+ /* Try to interpret the argument as a port number. */
+ if (!str_to_uint(port_name, 10, &port_no)) {
+ port_no = UINT_MAX;
+ }
+
+ /* 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);
}
- *p_out = NULL;
- return false;
}
-struct field {
- const char *name;
- uint32_t wildcard;
- enum { F_U8, F_U16, F_MAC, F_IP } type;
- size_t offset, shift;
-};
+/* 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)
+{
+ unsigned int port_no;
-static bool
-parse_field(const char *name, const struct field **f_out)
-{
-#define F_OFS(MEMBER) offsetof(struct ofp_match, MEMBER)
- static const struct field fields[] = {
- { "in_port", OFPFW_IN_PORT, F_U16, F_OFS(in_port), 0 },
- { "dl_vlan", OFPFW_DL_VLAN, F_U16, F_OFS(dl_vlan), 0 },
- { "dl_vlan_pcp", OFPFW_DL_VLAN_PCP, F_U8, F_OFS(dl_vlan_pcp), 0 },
- { "dl_src", OFPFW_DL_SRC, F_MAC, F_OFS(dl_src), 0 },
- { "dl_dst", OFPFW_DL_DST, F_MAC, F_OFS(dl_dst), 0 },
- { "dl_type", OFPFW_DL_TYPE, F_U16, F_OFS(dl_type), 0 },
- { "nw_src", OFPFW_NW_SRC_MASK, F_IP,
- F_OFS(nw_src), OFPFW_NW_SRC_SHIFT },
- { "nw_dst", OFPFW_NW_DST_MASK, F_IP,
- F_OFS(nw_dst), OFPFW_NW_DST_SHIFT },
- { "nw_proto", OFPFW_NW_PROTO, F_U8, F_OFS(nw_proto), 0 },
- { "nw_tos", OFPFW_NW_TOS, F_U8, F_OFS(nw_tos), 0 },
- { "tp_src", OFPFW_TP_SRC, F_U16, F_OFS(tp_src), 0 },
- { "tp_dst", OFPFW_TP_DST, F_U16, F_OFS(tp_dst), 0 },
- { "icmp_type", OFPFW_ICMP_TYPE, F_U16, F_OFS(icmp_type), 0 },
- { "icmp_code", OFPFW_ICMP_CODE, F_U16, F_OFS(icmp_code), 0 }
- };
- const struct field *f;
+ if (str_to_uint(port_name, 10, &port_no)) {
+ return port_no;
+ } else {
+ struct ofputil_phy_port pp;
- for (f = fields; f < &fields[ARRAY_SIZE(fields)]; f++) {
- if (!strcmp(f->name, name)) {
- *f_out = f;
- return true;
- }
+ fetch_ofputil_phy_port(vconn_name, port_name, &pp);
+ return pp.port_no;
}
- *f_out = NULL;
- return false;
}
-static void
-str_to_flow(char *string, struct ofp_match *match, struct ofpbuf *actions,
- uint8_t *table_idx, uint16_t *out_port, uint16_t *priority,
- uint16_t *idle_timeout, uint16_t *hard_timeout,
- uint64_t *cookie)
+static bool
+try_set_protocol(struct vconn *vconn, enum ofputil_protocol want,
+ enum ofputil_protocol *cur)
{
- char *save_ptr = NULL;
- char *name;
- uint32_t wildcards;
+ for (;;) {
+ struct ofpbuf *request, *reply;
+ enum ofputil_protocol next;
- if (table_idx) {
- *table_idx = 0xff;
- }
- if (out_port) {
- *out_port = OFPP_NONE;
- }
- if (priority) {
- *priority = OFP_DEFAULT_PRIORITY;
- }
- if (idle_timeout) {
- *idle_timeout = DEFAULT_IDLE_TIMEOUT;
- }
- if (hard_timeout) {
- *hard_timeout = OFP_FLOW_PERMANENT;
- }
- if (cookie) {
- *cookie = 0;
- }
- if (actions) {
- char *act_str = strstr(string, "action");
- if (!act_str) {
- ovs_fatal(0, "must specify an action");
+ request = ofputil_encode_set_protocol(*cur, want, &next);
+ if (!request) {
+ return true;
}
- *(act_str-1) = '\0';
- act_str = strchr(act_str, '=');
- if (!act_str) {
- ovs_fatal(0, "must specify an action");
+ run(vconn_transact_noreply(vconn, request, &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 protocol, switch replied: %s",
+ vconn_get_name(vconn), s);
+ free(s);
+ ofpbuf_delete(reply);
+ return false;
}
- act_str++;
-
- str_to_action(act_str, actions);
+ *cur = next;
}
- memset(match, 0, sizeof *match);
- wildcards = OFPFW_ALL;
- for (name = strtok_r(string, "=, \t\r\n", &save_ptr); name;
- name = strtok_r(NULL, "=, \t\r\n", &save_ptr)) {
- const struct protocol *p;
+}
- if (parse_protocol(name, &p)) {
- wildcards &= ~OFPFW_DL_TYPE;
- match->dl_type = htons(p->dl_type);
- if (p->nw_proto) {
- wildcards &= ~OFPFW_NW_PROTO;
- match->nw_proto = p->nw_proto;
- }
- } else {
- const struct field *f;
- char *value;
+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;
- value = strtok_r(NULL, ", \t\r\n", &save_ptr);
- if (!value) {
- ovs_fatal(0, "field %s missing value", name);
- }
-
- if (table_idx && !strcmp(name, "table")) {
- *table_idx = atoi(value);
- } else if (out_port && !strcmp(name, "out_port")) {
- *out_port = atoi(value);
- } else if (priority && !strcmp(name, "priority")) {
- *priority = atoi(value);
- } else if (idle_timeout && !strcmp(name, "idle_timeout")) {
- *idle_timeout = atoi(value);
- } else if (hard_timeout && !strcmp(name, "hard_timeout")) {
- *hard_timeout = atoi(value);
- } else if (cookie && !strcmp(name, "cookie")) {
- *cookie = atoi(value);
- } else if (parse_field(name, &f)) {
- void *data = (char *) match + f->offset;
- if (!strcmp(value, "*") || !strcmp(value, "ANY")) {
- wildcards |= f->wildcard;
- } else {
- wildcards &= ~f->wildcard;
- if (f->wildcard == OFPFW_IN_PORT
- && parse_port_name(value, (uint16_t *) data)) {
- /* Nothing to do. */
- } else if (f->type == F_U8) {
- *(uint8_t *) data = str_to_u32(value);
- } else if (f->type == F_U16) {
- *(uint16_t *) data = htons(str_to_u32(value));
- } else if (f->type == F_MAC) {
- str_to_mac(value, data);
- } else if (f->type == F_IP) {
- wildcards |= str_to_ip(value, data) << f->shift;
- } else {
- NOT_REACHED();
- }
- }
- } else {
- ovs_fatal(0, "unknown keyword %s", name);
- }
+ 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;
}
}
- match->wildcards = htonl(wildcards);
+
+ 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 {
+ 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 void
-do_dump_flows(int argc, char *argv[])
+static struct vconn *
+prepare_dump_flows(int argc, char *argv[], bool aggregate,
+ struct ofpbuf **requestp)
{
- struct ofp_flow_stats_request *req;
- uint16_t out_port;
- struct ofpbuf *request;
+ enum ofputil_protocol usable_protocols, protocol;
+ struct ofputil_flow_stats_request fsr;
+ struct vconn *vconn;
- req = alloc_stats_request(sizeof *req, OFPST_FLOW, &request);
- str_to_flow(argc > 2 ? argv[2] : "", &req->match, NULL,
- &req->table_id, &out_port, NULL, NULL, NULL, NULL);
- memset(&req->pad, 0, sizeof req->pad);
- req->out_port = htons(out_port);
+ parse_ofp_flow_stats_request_str(&fsr, aggregate, argc > 2 ? argv[2] : "");
+ usable_protocols = ofputil_flow_stats_request_usable_protocols(&fsr);
- dump_stats_transaction(argv[1], request);
+ 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_aggregate(int argc, char *argv[])
+ofctl_dump_flows__(int argc, char *argv[], bool aggregate)
{
- struct ofp_aggregate_stats_request *req;
struct ofpbuf *request;
- uint16_t out_port;
-
- req = alloc_stats_request(sizeof *req, OFPST_AGGREGATE, &request);
- str_to_flow(argc > 2 ? argv[2] : "", &req->match, NULL,
- &req->table_id, &out_port, NULL, NULL, NULL, NULL);
- memset(&req->pad, 0, sizeof req->pad);
- req->out_port = htons(out_port);
+ struct vconn *vconn;
- dump_stats_transaction(argv[1], request);
+ vconn = prepare_dump_flows(argc, argv, aggregate, &request);
+ dump_stats_transaction(vconn, request);
+ vconn_close(vconn);
}
-static void
-do_add_flow(int argc OVS_UNUSED, char *argv[])
+static int
+compare_flows(const void *afs_, const void *bfs_)
{
- struct vconn *vconn;
- struct ofpbuf *buffer;
- struct ofp_flow_mod *ofm;
- uint16_t priority, idle_timeout, hard_timeout;
- uint64_t cookie;
- struct ofp_match match;
-
- /* Parse and send. str_to_flow() will expand and reallocate the data in
- * 'buffer', so we can't keep pointers to across the str_to_flow() call. */
- make_openflow(sizeof *ofm, OFPT_FLOW_MOD, &buffer);
- str_to_flow(argv[2], &match, buffer,
- NULL, NULL, &priority, &idle_timeout, &hard_timeout,
- &cookie);
- ofm = buffer->data;
- ofm->match = match;
- ofm->command = htons(OFPFC_ADD);
- ofm->cookie = htonll(cookie);
- ofm->idle_timeout = htons(idle_timeout);
- ofm->hard_timeout = htons(hard_timeout);
- ofm->buffer_id = htonl(UINT32_MAX);
- ofm->priority = htons(priority);
+ 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;
- open_vconn(argv[1], &vconn);
- send_openflow_buffer(vconn, buffer);
- vconn_close(vconn);
+ 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_add_flows(int argc OVS_UNUSED, char *argv[])
+ofctl_dump_flows(int argc, char *argv[])
{
- struct vconn *vconn;
- FILE *file;
- char line[1024];
+ 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 *) request->data)->xid;
+ send_openflow_buffer(vconn, request);
+
+ fses = NULL;
+ n_fses = allocated_fses = 0;
+ reply = NULL;
+ ofpbuf_init(&ofpacts, 0);
+ for (;;) {
+ struct ofputil_flow_stats *fs;
+
+ if (n_fses >= allocated_fses) {
+ fses = x2nrealloc(fses, &allocated_fses, sizeof *fses);
+ }
- file = fopen(argv[2], "r");
- if (file == NULL) {
- ovs_fatal(errno, "%s: open", argv[2]);
- }
+ 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);
- open_vconn(argv[1], &vconn);
- while (fgets(line, sizeof line, file)) {
- struct ofpbuf *buffer;
- struct ofp_flow_mod *ofm;
- uint16_t priority, idle_timeout, hard_timeout;
- uint64_t cookie;
- struct ofp_match match;
-
- char *comment;
-
- /* Delete comments. */
- comment = strchr(line, '#');
- if (comment) {
- *comment = '\0';
+ 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);
- /* Drop empty lines. */
- if (line[strspn(line, " \t\n")] == '\0') {
- continue;
+ for (i = 0; i < n_fses; i++) {
+ free(fses[i].ofpacts);
}
+ free(fses);
- /* Parse and send. str_to_flow() will expand and reallocate the data
- * in 'buffer', so we can't keep pointers to across the str_to_flow()
- * call. */
- make_openflow(sizeof *ofm, OFPT_FLOW_MOD, &buffer);
- str_to_flow(line, &match, buffer,
- NULL, NULL, &priority, &idle_timeout, &hard_timeout,
- &cookie);
- ofm = buffer->data;
- ofm->match = match;
- ofm->command = htons(OFPFC_ADD);
- ofm->cookie = htonll(cookie);
- ofm->idle_timeout = htons(idle_timeout);
- ofm->hard_timeout = htons(hard_timeout);
- ofm->buffer_id = htonl(UINT32_MAX);
- ofm->priority = htons(priority);
-
- send_openflow_buffer(vconn, buffer);
+ vconn_close(vconn);
}
- vconn_close(vconn);
- fclose(file);
}
static void
-do_mod_flows(int argc OVS_UNUSED, char *argv[])
+ofctl_dump_aggregate(int argc, char *argv[])
{
- uint16_t priority, idle_timeout, hard_timeout;
- uint64_t cookie;
- struct vconn *vconn;
- struct ofpbuf *buffer;
- struct ofp_flow_mod *ofm;
- struct ofp_match match;
-
- /* Parse and send. str_to_flow() will expand and reallocate the data in
- * 'buffer', so we can't keep pointers to across the str_to_flow() call. */
- make_openflow(sizeof *ofm, OFPT_FLOW_MOD, &buffer);
- str_to_flow(argv[2], &match, buffer,
- NULL, NULL, &priority, &idle_timeout, &hard_timeout,
- &cookie);
- ofm = buffer->data;
- ofm->match = match;
- if (strict) {
- ofm->command = htons(OFPFC_MODIFY_STRICT);
- } else {
- ofm->command = htons(OFPFC_MODIFY);
- }
- ofm->idle_timeout = htons(idle_timeout);
- ofm->hard_timeout = htons(hard_timeout);
- ofm->cookie = htonll(cookie);
- ofm->buffer_id = htonl(UINT32_MAX);
- ofm->priority = htons(priority);
+ return ofctl_dump_flows__(argc, argv, true);
+}
+
+static void
+ofctl_queue_stats(int argc, char *argv[])
+{
+ struct ofp10_queue_stats_request *req;
+ struct ofpbuf *request;
+ struct vconn *vconn;
open_vconn(argv[1], &vconn);
- send_openflow_buffer(vconn, buffer);
+ request = ofpraw_alloc(OFPRAW_OFPST_QUEUE_REQUEST,
+ vconn_get_version(vconn), 0);
+ req = ofpbuf_put_zeros(request, sizeof *req);
+
+ if (argc > 2 && argv[2][0] && strcasecmp(argv[2], "all")) {
+ req->port_no = htons(str_to_port_no(argv[1], argv[2]));
+ } else {
+ req->port_no = htons(OFPP_ALL);
+ }
+ if (argc > 3 && argv[3][0] && strcasecmp(argv[3], "all")) {
+ req->queue_id = htonl(atoi(argv[3]));
+ } else {
+ req->queue_id = htonl(OFPQ_ALL);
+ }
+
+ memset(req->pad, 0, sizeof req->pad);
+
+ dump_stats_transaction(vconn, request);
vconn_close(vconn);
}
-static void do_del_flows(int argc, char *argv[])
+static enum ofputil_protocol
+open_vconn_for_flow_mod(const char *remote,
+ const struct ofputil_flow_mod *fms, size_t n_fms,
+ struct vconn **vconnp)
+{
+ enum ofputil_protocol usable_protocols;
+ enum ofputil_protocol cur_protocol;
+ char *usable_s;
+ int i;
+
+ /* Figure out what flow formats will work. */
+ usable_protocols = ofputil_flow_mod_usable_protocols(fms, n_fms);
+ if (!(usable_protocols & allowed_protocols)) {
+ char *allowed_s = ofputil_protocols_to_string(allowed_protocols);
+ usable_s = ofputil_protocols_to_string(usable_protocols);
+ ovs_fatal(0, "none of the usable flow formats (%s) is among the "
+ "allowed flow formats (%s)", usable_s, allowed_s);
+ }
+
+ /* 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;
+ }
+
+ /* Otherwise try each flow format in turn. */
+ for (i = 0; i < sizeof(enum ofputil_protocol) * CHAR_BIT; i++) {
+ enum ofputil_protocol f = 1 << i;
+
+ 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 protocol;
struct vconn *vconn;
- uint16_t priority;
- uint16_t out_port;
- struct ofpbuf *buffer;
- struct ofp_flow_mod *ofm;
-
- /* Parse and send. */
- ofm = make_openflow(sizeof *ofm, OFPT_FLOW_MOD, &buffer);
- str_to_flow(argc > 2 ? argv[2] : "", &ofm->match, NULL, NULL,
- &out_port, &priority, NULL, NULL, NULL);
- if (strict) {
- ofm->command = htons(OFPFC_DELETE_STRICT);
+ size_t i;
+
+ protocol = open_vconn_for_flow_mod(remote, fms, n_fms, &vconn);
+
+ for (i = 0; i < n_fms; i++) {
+ struct ofputil_flow_mod *fm = &fms[i];
+
+ transact_noreply(vconn, ofputil_encode_flow_mod(fm, protocol));
+ free(fm->ofpacts);
+ }
+ vconn_close(vconn);
+}
+
+static void
+ofctl_flow_mod_file(int argc OVS_UNUSED, char *argv[], uint16_t command)
+{
+ struct ofputil_flow_mod *fms = NULL;
+ size_t n_fms = 0;
+
+ parse_ofp_flow_mod_file(argv[2], command, &fms, &n_fms);
+ ofctl_flow_mod__(argv[1], fms, n_fms);
+ 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 {
- ofm->command = htons(OFPFC_DELETE);
+ struct ofputil_flow_mod fm;
+ parse_ofp_flow_mod_str(&fm, argc > 2 ? argv[2] : "", command, false);
+ ofctl_flow_mod__(argv[1], &fm, 1);
}
- ofm->idle_timeout = htons(0);
- ofm->hard_timeout = htons(0);
- ofm->buffer_id = htonl(UINT32_MAX);
- ofm->out_port = htons(out_port);
- ofm->priority = htons(priority);
+}
- open_vconn(argv[1], &vconn);
- send_openflow_buffer(vconn, buffer);
- vconn_close(vconn);
+static void
+ofctl_add_flow(int argc, char *argv[])
+{
+ ofctl_flow_mod(argc, argv, OFPFC_ADD);
}
static void
-do_monitor(int argc OVS_UNUSED, char *argv[])
+ofctl_add_flows(int argc, char *argv[])
{
- struct vconn *vconn;
+ ofctl_flow_mod_file(argc, argv, OFPFC_ADD);
+}
- open_vconn(argv[1], &vconn);
- if (argc > 2) {
- int miss_send_len = atoi(argv[2]);
- struct ofp_switch_config *osc;
- struct ofpbuf *buf;
+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 = ofputil_make_set_packet_in_format(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 (msg->size < sizeof(struct ofp_header)) {
+ ofpbuf_delete(msg);
+ return "Message too short for OpenFlow";
+ }
+
+ oh = msg->data;
+ if (msg->size != 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, msg->data, msg->size, verbosity);
+
+ error = vconn_send_block(vconn, msg);
+ if (error) {
+ ofpbuf_delete(msg);
+ ds_put_format(&reply, "%s\n", 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. */
+};
- osc = make_openflow(sizeof *osc, OFPT_SET_CONFIG, &buf);
- osc->miss_send_len = htons(miss_send_len);
- send_openflow_buffer(vconn, buf);
+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, 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, strerror(errno));
+ return;
+ }
+
+ fflush(stderr);
+ dup2(fd, STDERR_FILENO);
+ close(fd);
+ unixctl_command_reply(conn, NULL);
+}
+
+static void
+ofctl_block(struct unixctl_conn *conn, int argc OVS_UNUSED,
+ const char *argv[] OVS_UNUSED, void *blocked_)
+{
+ bool *blocked = blocked_;
+
+ if (!*blocked) {
+ *blocked = true;
+ unixctl_command_reply(conn, NULL);
+ } else {
+ unixctl_command_reply(conn, "already blocking");
+ }
+}
+
+static void
+ofctl_unblock(struct unixctl_conn *conn, int argc OVS_UNUSED,
+ const char *argv[] OVS_UNUSED, void *blocked_)
+{
+ bool *blocked = blocked_;
+
+ if (*blocked) {
+ *blocked = false;
+ unixctl_command_reply(conn, NULL);
+ } else {
+ unixctl_command_reply(conn, "already unblocked");
+ }
+}
+
+static void
+monitor_vconn(struct vconn *vconn)
+{
+ 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, 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) {
+ time_t now = time_wall();
+ char s[32];
+
+ strftime(s, sizeof s, "%Y-%m-%d %H:%M:%S: ", gmtime(&now));
+ fputs(s, stderr);
+ }
+
+ ofptype_decode(&type, b->data);
+ ofp_print(stderr, b->data, b->size, verbosity + 2);
+ ofpbuf_delete(b);
+
+ if (barrier_aux.conn && type == OFPTYPE_BARRIER_REPLY) {
+ unixctl_command_reply(barrier_aux.conn, NULL);
+ barrier_aux.conn = NULL;
+ }
+ }
+
+ 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
+ofctl_monitor(int argc, char *argv[])
+{
+ struct vconn *vconn;
+ int i;
+
+ open_vconn(argv[1], &vconn);
+ 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;
+
+ parse_flow_monitor_request(&fmr, arg + 6);
+
+ 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);
+ }
}
+
+ if (preferred_packet_in_format >= 0) {
+ set_packet_in_format(vconn, preferred_packet_in_format);
+ } else {
+ struct ofpbuf *spif, *reply;
+
+ spif = ofputil_make_set_packet_in_format(NXPIF_NXM);
+ run(vconn_transact_noreply(vconn, spif, &reply),
+ "talking to %s", vconn_get_name(vconn));
+ if (reply) {
+ char *s = ofp_to_string(reply->data, reply->size, 2);
+ VLOG_DBG("%s: failed to set packet in format to nxm, controller"
+ " replied: %s. Falling back to the switch default.",
+ vconn_get_name(vconn), s);
+ free(s);
+ ofpbuf_delete(reply);
+ }
+ }
+
+ monitor_vconn(vconn);
+}
+
+static void
+ofctl_snoop(int argc OVS_UNUSED, char *argv[])
+{
+ struct vconn *vconn;
+
+ open_vconn__(argv[1], "snoop", &vconn);
+ monitor_vconn(vconn);
}
static void
-do_dump_ports(int argc, char *argv[])
+ofctl_dump_ports(int argc, char *argv[])
{
- struct ofp_port_stats_request *req;
+ struct ofp10_port_stats_request *req;
struct ofpbuf *request;
+ struct vconn *vconn;
uint16_t port;
- req = alloc_stats_request(sizeof *req, OFPST_PORT, &request);
+ open_vconn(argv[1], &vconn);
+ request = ofpraw_alloc(OFPRAW_OFPST_PORT_REQUEST,
+ vconn_get_version(vconn), 0);
+ req = ofpbuf_put_zeros(request, sizeof *req);
port = argc > 2 ? str_to_port_no(argv[1], argv[2]) : OFPP_NONE;
req->port_no = htons(port);
- dump_stats_transaction(argv[1], request);
+ dump_stats_transaction(vconn, request);
+ vconn_close(vconn);
+}
+
+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)) {
ovs_fatal(0, "reply does not match request");
}
static void
-do_mod_port(int argc OVS_UNUSED, char *argv[])
+ofctl_packet_out(int argc, char *argv[])
{
- struct ofpbuf *request, *reply;
- struct ofp_switch_features *osf;
- struct ofp_port_mod *opm;
+ enum ofputil_protocol protocol;
+ struct ofputil_packet_out po;
+ struct ofpbuf ofpacts;
struct vconn *vconn;
- char *endptr;
- int n_ports;
- int port_idx;
- int port_no;
-
-
- /* Check if the argument is a port index. Otherwise, treat it as
- * the port name. */
- port_no = strtol(argv[2], &endptr, 10);
- if (port_no == 0 && endptr == argv[2]) {
- port_no = -1;
- }
-
- /* Send a "Features Request" to get the information we need in order
- * to modify the port. */
- make_openflow(sizeof(struct ofp_header), OFPT_FEATURES_REQUEST, &request);
- open_vconn(argv[1], &vconn);
- run(vconn_transact(vconn, request, &reply), "talking to %s", argv[1]);
+ int i;
- osf = reply->data;
- n_ports = (reply->size - sizeof *osf) / sizeof *osf->ports;
+ ofpbuf_init(&ofpacts, 64);
+ parse_ofpacts(argv[3], &ofpacts);
- for (port_idx = 0; port_idx < n_ports; port_idx++) {
- if (port_no != -1) {
- /* Check argument as a port index */
- if (osf->ports[port_idx].port_no == htons(port_no)) {
- break;
- }
- } else {
- /* Check argument as an interface name */
- if (!strncmp((char *)osf->ports[port_idx].name, argv[2],
- sizeof osf->ports[0].name)) {
- break;
- }
+ po.buffer_id = UINT32_MAX;
+ po.in_port = (!strcasecmp(argv[2], "none") ? OFPP_NONE
+ : !strcasecmp(argv[2], "local") ? OFPP_LOCAL
+ : str_to_port_no(argv[1], argv[2]));
+ po.ofpacts = ofpacts.data;
+ po.ofpacts_len = ofpacts.size;
+
+ 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 = packet->data;
+ po.packet_len = packet->size;
+ opo = ofputil_encode_packet_out(&po, protocol);
+ transact_noreply(vconn, opo);
+ ofpbuf_delete(packet);
}
- if (port_idx == n_ports) {
- ovs_fatal(0, "couldn't find monitored port: %s", argv[2]);
- }
-
- opm = make_openflow(sizeof(struct ofp_port_mod), OFPT_PORT_MOD, &request);
- opm->port_no = osf->ports[port_idx].port_no;
- memcpy(opm->hw_addr, osf->ports[port_idx].hw_addr, sizeof opm->hw_addr);
- opm->config = htonl(0);
- opm->mask = htonl(0);
- opm->advertise = htonl(0);
-
- printf("modifying port: %s\n", osf->ports[port_idx].name);
-
- if (!strncasecmp(argv[3], MOD_PORT_CMD_UP, sizeof MOD_PORT_CMD_UP)) {
- opm->mask |= htonl(OFPPC_PORT_DOWN);
- } else if (!strncasecmp(argv[3], MOD_PORT_CMD_DOWN,
- sizeof MOD_PORT_CMD_DOWN)) {
- opm->mask |= htonl(OFPPC_PORT_DOWN);
- opm->config |= htonl(OFPPC_PORT_DOWN);
- } else if (!strncasecmp(argv[3], MOD_PORT_CMD_FLOOD,
- sizeof MOD_PORT_CMD_FLOOD)) {
- opm->mask |= htonl(OFPPC_NO_FLOOD);
- } else if (!strncasecmp(argv[3], MOD_PORT_CMD_NOFLOOD,
- sizeof MOD_PORT_CMD_NOFLOOD)) {
- opm->mask |= htonl(OFPPC_NO_FLOOD);
- opm->config |= htonl(OFPPC_NO_FLOOD);
+ 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 },
+ };
+
+ 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]);
- send_openflow_buffer(vconn, request);
+found:
+ protocol = open_vconn(argv[1], &vconn);
+ transact_noreply(vconn, ofputil_encode_port_mod(&pm, protocol));
+ vconn_close(vconn);
+}
- ofpbuf_delete(reply);
+static void
+ofctl_get_frags(int argc OVS_UNUSED, char *argv[])
+{
+ struct ofp_switch_config config;
+ struct vconn *vconn;
+
+ open_vconn(argv[1], &vconn);
+ 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_ping(int argc, char *argv[])
{
size_t max_payload = 65535 - sizeof(struct ofp_header);
unsigned int payload;
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, OFP10_VERSION,
+ 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) {
+ if (ofptype_pull(&type, reply)
+ || type != OFPTYPE_ECHO_REPLY
+ || reply->size != payload
+ || memcmp(request->l3, reply->l3, payload)) {
printf("Reply does not match request. Request:\n");
- ofp_print(stdout, request, request->size, 2);
+ ofp_print(stdout, request, request->size, verbosity + 2);
printf("Reply:\n");
- ofp_print(stdout, reply, reply->size, 2);
+ ofp_print(stdout, reply, reply->size, verbosity + 2);
}
printf("%zu bytes from %s: xid=%08"PRIx32" time=%.1f ms\n",
- reply->size - sizeof *rpy_hdr, argv[1], rpy_hdr->xid,
+ reply->size, 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;
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, OFP10_VERSION,
+ 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_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(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_char(s, ' ');
+ 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]);
+ 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;
+
+ cls_cursor_init(&cursor, cls, NULL);
+ CLS_CURSOR_FOR_EACH_SAFE (fte, next, rule, &cursor) {
+ classifier_remove(cls, &fte->rule);
+ fte_free(fte);
+ }
+ 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)
+{
+ struct fte *old, *fte;
+
+ fte = xzalloc(sizeof *fte);
+ cls_rule_init(&fte->rule, match, priority);
+ fte->versions[index] = version;
+
+ old = fte_from_cls_rule(classifier_replace(cls, &fte->rule));
+ if (old) {
+ fte_version_free(old->versions[index]);
+ fte->versions[!index] = old->versions[!index];
+ 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;
+ struct ds s;
+ FILE *file;
+
+ file = !strcmp(filename, "-") ? stdin : fopen(filename, "r");
+ if (file == NULL) {
+ ovs_fatal(errno, "%s: open", filename);
+ }
+
+ ds_init(&s);
+ usable_protocols = OFPUTIL_P_ANY;
+ while (!ds_get_preprocessed_line(&s, file)) {
+ struct fte_version *version;
+ struct ofputil_flow_mod fm;
+
+ parse_ofp_str(&fm, OFPFC_ADD, ds_cstr(&s), true);
+
+ 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 & (OFPFF_SEND_FLOW_REM | OFPFF10_EMERG);
+ version->ofpacts = fm.ofpacts;
+ version->ofpacts_len = fm.ofpacts_len;
+
+ usable_protocols &= ofputil_usable_protocols(&fm.match);
+
+ fte_insert(cls, &fm.match, fm.priority, version, index);
+ }
+ ds_destroy(&s);
+
+ if (file != stdin) {
+ fclose(file);
+ }
+
+ return usable_protocols;
+}
+
+static bool
+recv_flow_stats_reply(struct vconn *vconn, ovs_be32 send_xid,
+ struct ofpbuf **replyp,
+ struct ofputil_flow_stats *fs, struct ofpbuf *ofpacts)
+{
+ struct ofpbuf *reply = *replyp;
+
+ for (;;) {
+ int retval;
+ bool more;
+
+ /* Get a flow stats reply message, if we don't already have one. */
+ if (!reply) {
+ enum ofptype type;
+ enum ofperr error;
+
+ do {
+ run(vconn_recv_block(vconn, &reply),
+ "OpenFlow packet receive failed");
+ } while (((struct ofp_header *) reply->data)->xid != send_xid);
+
+ error = ofptype_decode(&type, reply->data);
+ if (error || type != OFPTYPE_FLOW_STATS_REPLY) {
+ ovs_fatal(0, "received bad reply: %s",
+ ofp_to_string(reply->data, reply->size,
+ verbosity + 1));
+ }
+ }
+
+ /* Pull an individual flow stats reply out of the message. */
+ retval = ofputil_decode_flow_stats_reply(fs, reply, false, ofpacts);
+ switch (retval) {
+ case 0:
+ *replyp = reply;
+ return true;
+
+ case EOF:
+ more = ofpmp_more(reply->l2);
+ 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_NONE;
+ fsr.table_id = 0xff;
+ fsr.cookie = fsr.cookie_mask = htonll(0);
+ request = ofputil_encode_flow_stats_request(&fsr, protocol);
+ send_xid = ((struct ofp_header *) request->data)->xid;
+ send_openflow_buffer(vconn, request);
+
+ 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;
+
+ fm.match = fte->rule.match;
+ fm.priority = fte->rule.priority;
+ fm.cookie = htonll(0);
+ fm.cookie_mask = htonll(0);
+ fm.new_cookie = version->cookie;
+ fm.table_id = 0xff;
+ fm.command = command;
+ fm.idle_timeout = version->idle_timeout;
+ fm.hard_timeout = version->hard_timeout;
+ fm.buffer_id = UINT32_MAX;
+ fm.out_port = OFPP_NONE;
+ fm.flags = version->flags;
+ 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);
+ 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. */
+ 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);
+ }
+ }
+ 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);
+ read_flows_from_source(argv[1], &cls, 0);
+ read_flows_from_source(argv[2], &cls, 1);
+
+ ds_init(&a_s);
+ ds_init(&b_s);
+
+ 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;
+ }
+ }
+ }
+
+ ds_destroy(&a_s);
+ ds_destroy(&b_s);
+
+ fte_free_all(&cls);
+
+ if (differences) {
+ exit(2);
+ }
+}
+\f
+/* Undocumented commands for unit testing. */
+
+static void
+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_protocols = ofputil_flow_mod_usable_protocols(fms, n_fms);
+ usable_s = ofputil_protocols_to_string(usable_protocols);
+ printf("usable protocols: %s\n", usable_s);
+ free(usable_s);
+
+ 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;
+ }
+ }
+ 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, msg->data, msg->size, verbosity);
+ ofpbuf_delete(msg);
+
+ free(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[])
+{
+ struct ofputil_flow_mod fm;
+
+ parse_ofp_flow_mod_str(&fm, argv[1], OFPFC_ADD, false);
+ ofctl_parse_flows__(&fm, 1);
+}
+
+/* "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[])
+{
+ struct ofputil_flow_mod *fms = NULL;
+ size_t n_fms = 0;
+
+ parse_ofp_flow_mod_file(argv[1], OFPFC_ADD, &fms, &n_fms);
+ ofctl_parse_flows__(fms, n_fms);
+ free(fms);
+}
+
+static void
+ofctl_parse_nxm__(bool oxm)
+{
+ struct ds in;
+
+ ds_init(&in);
+ while (!ds_get_test_line(&in, stdin)) {
+ struct ofpbuf nx_match;
+ struct match match;
+ ovs_be64 cookie, cookie_mask;
+ enum ofperr error;
+ int match_len;
+
+ /* 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);
+ }
+
+ /* 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);
+ }
+ }
+
+
+ if (!error) {
+ char *out;
+
+ /* Convert match back to nx_match. */
+ ofpbuf_uninit(&nx_match);
+ ofpbuf_init(&nx_match, 0);
+ if (oxm) {
+ match_len = oxm_put_match(&nx_match, &match);
+ out = oxm_match_to_string(nx_match.data, match_len);
+ } else {
+ match_len = nx_put_match(&nx_match, &match,
+ cookie, cookie_mask);
+ out = nx_match_to_string(nx_match.data, match_len);
+ }
+
+ puts(out);
+ free(out);
+ } else {
+ 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%2zu: %02"PRIx8" -> %02"PRIx8"\n",
+ prefix, i, a[i], b[i]);
+ }
+ }
+ for (i = a_len; i < b_len; i++) {
+ printf("%s%2zu: (none) -> %02"PRIx8"\n", prefix, i, b[i]);
+ }
+ for (i = b_len; i < a_len; i++) {
+ printf("%s%2zu: %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)) {
+ 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 = of10_in.size;
+ error = ofpacts_pull_openflow10(&of10_in, of10_in.size, &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);
+ ofpacts_format(ofpacts.data, ofpacts.size, &s);
+ puts(ds_cstr(&s));
+ ds_destroy(&s);
+
+ /* Convert back to ofp10 actions and print differences from input. */
+ ofpbuf_init(&of10_out, 0);
+ ofpacts_put_openflow10(ofpacts.data, ofpacts.size, &of10_out);
+
+ print_differences("", of10_in.data, of10_in.size,
+ of10_out.data, of10_out.size);
+ 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)) {
+ struct ofpbuf match_in, match_expout;
+ struct ofp10_match match_out;
+ struct ofp10_match match_normal;
+ struct match match;
+ char *p;
+
+ /* Parse hex bytes to use for expected output. */
+ ds_clear(&expout);
+ ds_put_cstr(&expout, ds_cstr(&in));
+ for (p = ds_cstr(&expout); *p; p++) {
+ if (*p == 'x') {
+ *p = '0';
+ }
+ }
+ ofpbuf_init(&match_expout, 0);
+ if (ofpbuf_put_hex(&match_expout, ds_cstr(&expout), NULL)[0] != '\0') {
+ ovs_fatal(0, "Trailing garbage in hex data");
+ }
+ if (match_expout.size != sizeof(struct ofp10_match)) {
+ ovs_fatal(0, "Input is %zu bytes, expected %zu",
+ match_expout.size, sizeof(struct ofp10_match));
+ }
+
+ /* Parse hex bytes for input. */
+ for (p = ds_cstr(&in); *p; p++) {
+ if (*p == 'x') {
+ *p = "0123456789abcdef"[random_uint32() & 0xf];
+ }
+ }
+ ofpbuf_init(&match_in, 0);
+ if (ofpbuf_put_hex(&match_in, ds_cstr(&in), NULL)[0] != '\0') {
+ ovs_fatal(0, "Trailing garbage in hex data");
+ }
+ if (match_in.size != sizeof(struct ofp10_match)) {
+ ovs_fatal(0, "Input is %zu bytes, expected %zu",
+ match_in.size, sizeof(struct ofp10_match));
+ }
+
+ /* Convert to cls_rule and print. */
+ ofputil_match_from_ofp10_match(match_in.data, &match);
+ match_print(&match);
+
+ /* Convert back to ofp10_match and print differences from input. */
+ ofputil_match_to_ofp10_match(&match, &match_out);
+ print_differences("", match_expout.data, match_expout.size,
+ &match_out, sizeof match_out);
+
+ /* Normalize, then convert and compare again. */
+ ofputil_normalize_match(&match);
+ ofputil_match_to_ofp10_match(&match, &match_normal);
+ print_differences("normal: ", &match_out, sizeof match_out,
+ &match_normal, sizeof match_normal);
+ putchar('\n');
+
+ ofpbuf_uninit(&match_in);
+ ofpbuf_uninit(&match_expout);
+ }
+ ds_destroy(&in);
+ ds_destroy(&expout);
+}
+
+/* "parse-ofp11-match": reads a series of ofp11_match specifications as hex
+ * bytes from stdin, converts them to "struct match"es, prints them as strings
+ * on stdout, and then converts them back to hex bytes and prints any
+ * differences from the input. */
+static void
+ofctl_parse_ofp11_match(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
+{
+ struct ds in;
+
+ ds_init(&in);
+ while (!ds_get_preprocessed_line(&in, stdin)) {
+ struct ofpbuf match_in;
+ struct ofp11_match match_out;
+ struct match match;
+ enum ofperr error;
+
+ /* Parse hex bytes. */
+ ofpbuf_init(&match_in, 0);
+ if (ofpbuf_put_hex(&match_in, ds_cstr(&in), NULL)[0] != '\0') {
+ ovs_fatal(0, "Trailing garbage in hex data");
+ }
+ if (match_in.size != sizeof(struct ofp11_match)) {
+ ovs_fatal(0, "Input is %zu bytes, expected %zu",
+ match_in.size, sizeof(struct ofp11_match));
+ }
+
+ /* Convert to match. */
+ error = ofputil_match_from_ofp11_match(match_in.data, &match);
+ if (error) {
+ printf("bad ofp11_match: %s\n\n", ofperr_get_name(error));
+ ofpbuf_uninit(&match_in);
+ continue;
+ }
+
+ /* Print match. */
+ match_print(&match);
+
+ /* Convert back to ofp11_match and print differences from input. */
+ ofputil_match_to_ofp11_match(&match, &match_out);
+
+ print_differences("", match_in.data, match_in.size,
+ &match_out, sizeof match_out);
+ putchar('\n');
+
+ ofpbuf_uninit(&match_in);
+ }
+ ds_destroy(&in);
+}
+
+/* "parse-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)) {
+ 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 = of11_in.size;
+ error = ofpacts_pull_openflow11_actions(&of11_in, of11_in.size,
+ &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);
+ ofpacts_format(ofpacts.data, ofpacts.size, &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_openflow11_actions(ofpacts.data, ofpacts.size, &of11_out);
+
+ print_differences("", of11_in.data, of11_in.size,
+ of11_out.data, of11_out.size);
+ 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)) {
+ 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 = of11_in.size;
+ error = ofpacts_pull_openflow11_instructions(&of11_in, of11_in.size,
+ &ofpacts);
+ 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);
+ ofpacts_format(ofpacts.data, ofpacts.size, &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_openflow11_instructions(ofpacts.data, ofpacts.size,
+ &of11_out);
+
+ print_differences("", of11_in.data, of11_in.size,
+ of11_out.data, of11_out.size);
+ putchar('\n');
+
+ ofpbuf_uninit(&ofpacts);
+ ofpbuf_uninit(&of11_in);
+ ofpbuf_uninit(&of11_out);
+ }
+ ds_destroy(&in);
+}
+
+/* "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;
+
+ 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);
+ parse_ofp_str(&fm, -1, string_s, false);
+ printf("%04"PRIx16"/%04"PRIx16"\n",
+ ntohs(fm.match.flow.vlan_tci),
+ ntohs(fm.match.wc.masks.vlan_tci));
+ free(string_s);
+
+ /* Convert to and from NXM. */
+ ofpbuf_init(&nxm, 0);
+ nxm_match_len = nx_put_match(&nxm, &match, htonll(0), htonll(0));
+ nxm_s = nx_match_to_string(nxm.data, nxm_match_len);
+ error = nx_pull_match(&nxm, nxm_match_len, &nxm_match, NULL, NULL);
+ printf("NXM: %s -> ", nxm_s);
+ if (error) {
+ printf("%s\n", ofperr_to_string(error));
+ } else {
+ printf("%04"PRIx16"/%04"PRIx16"\n",
+ ntohs(nxm_match.flow.vlan_tci),
+ ntohs(nxm_match.wc.masks.vlan_tci));
+ }
+ free(nxm_s);
+ ofpbuf_uninit(&nxm);
+
+ /* Convert to and from OXM. */
+ ofpbuf_init(&nxm, 0);
+ nxm_match_len = oxm_put_match(&nxm, &match);
+ nxm_s = oxm_match_to_string(nxm.data, 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) {
+ continue;
+ }
+ printf("%s: %d,%d\n",
+ ofperr_domain_get_name(version),
+ ofperr_get_type(error, version),
+ ofperr_get_code(error, version));
+ }
+}
+
+/* "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
+ofctl_ofp_print(int argc, char *argv[])
+{
+ struct ofpbuf packet;
+
+ ofpbuf_init(&packet, strlen(argv[1]) / 2);
+ 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);
+ ofpbuf_uninit(&packet);
+}
+
+static const struct command all_commands[] = {
+ { "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-flows", 1, 2, ofctl_dump_flows },
+ { "dump-aggregate", 1, 2, ofctl_dump_aggregate },
+ { "queue-stats", 1, 3, ofctl_queue_stats },
+ { "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 },
+ { "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 },
+ { "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 },
+ { "help", 0, INT_MAX, ofctl_help },
+
+ /* Undocumented commands for testing. */
+ { "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 },
+ { "check-vlan", 2, 2, ofctl_check_vlan },
+ { "print-error", 1, 1, ofctl_print_error },
+ { "ofp-print", 1, 2, ofctl_ofp_print },
-static const struct command all_commands[] = {
- { "show", 1, 1, do_show },
- { "status", 1, 2, do_status },
- { "monitor", 1, 3, do_monitor },
- { "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 },
- { "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 },
{ NULL, 0, 0, NULL },
};