/*
- * Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira Networks.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include "byte-order.h"
#include "classifier.h"
#include "command-line.h"
+#include "daemon.h"
#include "compiler.h"
#include "dirs.h"
#include "dynamic-string.h"
#include "ofproto/ofproto.h"
#include "openflow/nicira-ext.h"
#include "openflow/openflow.h"
+#include "poll-loop.h"
#include "random.h"
#include "stream-ssl.h"
#include "timeval.h"
+#include "unixctl.h"
#include "util.h"
#include "vconn.h"
#include "vlog.h"
VLOG_DEFINE_THIS_MODULE(ofctl);
-/* --strict: Use strict matching for flow mod commands? */
+/* --strict: Use strict matching for flow mod commands? Additionally governs
+ * use of nx_pull_match() instead of nx_pull_match_loose() in parse-nx-match.
+ */
static bool strict;
+/* --readd: If ture, on replace-flows, re-add even flows that have not changed
+ * (to reset flow counters). */
+static bool readd;
+
/* -F, --flow-format: Flow format to use. Either one of NXFF_* to force a
* particular flow format or -1 to let ovs-ofctl choose intelligently. */
static int preferred_flow_format = -1;
+/* -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;
{
enum {
OPT_STRICT = UCHAR_MAX + 1,
+ OPT_READD,
+ DAEMON_OPTION_ENUMS,
VLOG_OPTION_ENUMS
};
static struct option long_options[] = {
{"timeout", required_argument, NULL, 't'},
{"strict", no_argument, NULL, OPT_STRICT},
+ {"readd", no_argument, NULL, OPT_READD},
{"flow-format", required_argument, NULL, 'F'},
+ {"packet-in-format", required_argument, NULL, 'P'},
{"more", no_argument, NULL, 'm'},
{"help", no_argument, NULL, 'h'},
{"version", no_argument, NULL, 'V'},
+ DAEMON_LONG_OPTIONS,
VLOG_LONG_OPTIONS,
STREAM_SSL_LONG_OPTIONS,
{NULL, 0, NULL, 0},
}
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;
usage();
case 'V':
- OVS_PRINT_VERSION(OFP_VERSION, OFP_VERSION);
+ ovs_print_version(OFP_VERSION, OFP_VERSION);
exit(EXIT_SUCCESS);
case OPT_STRICT:
strict = true;
break;
+ case OPT_READD:
+ readd = true;
+ break;
+
+ DAEMON_OPTION_HANDLERS
VLOG_OPTION_HANDLERS
STREAM_SSL_OPTION_HANDLERS
" 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-flows SWITCH print all flow entries\n"
" dump-flows SWITCH FLOW print matching FLOWs\n"
" replace-flows SWITCH FILE replace flows with those in FILE\n"
" monitor SWITCH [MISSLEN] print packets received from SWITCH\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"
" -t, --timeout=SECS give up after SECS seconds\n"
" -h, --help display this help message\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, 200, "");
+}
+
static void run(int retval, const char *message, ...)
PRINTF_FORMAT(2, 3);
}
static void *
-alloc_stats_request(size_t body_len, uint16_t type, struct ofpbuf **bufferp)
+alloc_stats_request(size_t rq_len, uint16_t type, struct ofpbuf **bufferp)
{
struct ofp_stats_msg *rq;
- rq = make_openflow(sizeof *rq + body_len, OFPT_STATS_REQUEST, bufferp);
+
+ rq = make_openflow(rq_len, OFPT_STATS_REQUEST, bufferp);
rq->type = htons(type);
rq->flags = htons(0);
- return rq + 1;
+ return rq;
}
static void
dump_trivial_stats_transaction(const char *vconn_name, uint8_t stats_type)
{
struct ofpbuf *request;
- alloc_stats_request(0, stats_type, &request);
+ alloc_stats_request(sizeof(struct ofp_stats_msg), stats_type, &request);
dump_stats_transaction(vconn_name, request);
}
/* Sends 'request', which should be a request that only has a reply if an error
* occurs, and waits for it to succeed or fail. If an error does occur, prints
- * it and exits with an error. */
+ * it and exits with an error.
+ *
+ * Destroys all of the 'requests'. */
static void
transact_multiple_noreply(struct vconn *vconn, struct list *requests)
{
/* Sends 'request', which should be a request that only has a reply if an error
* occurs, and waits for it to succeed or fail. If an error does occur, prints
- * it and exits with an error. */
+ * it and exits with an error.
+ *
+ * Destroys 'request'. */
static void
transact_noreply(struct vconn *vconn, struct ofpbuf *request)
{
transact_multiple_noreply(vconn, &requests);
}
+static void
+fetch_switch_config(struct vconn *vconn, struct ofp_switch_config *config_)
+{
+ struct ofp_switch_config *config;
+ struct ofp_header *header;
+ struct ofpbuf *request;
+ struct ofpbuf *reply;
+
+ make_openflow(sizeof(struct ofp_header), OFPT_GET_CONFIG_REQUEST,
+ &request);
+ run(vconn_transact(vconn, request, &reply),
+ "talking to %s", vconn_get_name(vconn));
+
+ header = reply->data;
+ if (header->type != OFPT_GET_CONFIG_REPLY ||
+ header->length != htons(sizeof *config)) {
+ ovs_fatal(0, "%s: bad reply to config request", vconn_get_name(vconn));
+ }
+
+ config = reply->data;
+ *config_ = *config;
+}
+
+static void
+set_switch_config(struct vconn *vconn, struct ofp_switch_config *config_)
+{
+ struct ofp_switch_config *config;
+ struct ofp_header save_header;
+ struct ofpbuf *request;
+
+ config = make_openflow(sizeof *config, OFPT_SET_CONFIG, &request);
+ save_header = config->header;
+ *config = *config_;
+ config->header = save_header;
+
+ transact_noreply(vconn, request);
+}
+
static void
do_show(int argc OVS_UNUSED, char *argv[])
{
do_dump_flows__(int argc, char *argv[], bool aggregate)
{
enum nx_flow_format min_flow_format, flow_format;
- struct flow_stats_request fsr;
+ struct ofputil_flow_stats_request fsr;
struct ofpbuf *request;
struct vconn *vconn;
open_vconn(argv[1], &vconn);
min_flow_format = ofputil_min_flow_format(&fsr.match);
+ if (fsr.cookie_mask != htonll(0)) {
+ min_flow_format = NXFF_NXM;
+ }
flow_format = negotiate_highest_flow_format(vconn, min_flow_format);
request = ofputil_encode_flow_stats_request(&fsr, flow_format);
dump_stats_transaction(argv[1], request);
do_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 void
monitor_vconn(struct vconn *vconn)
{
+ struct unixctl_server *server;
+ bool exiting = false;
+ int error, fd;
+
+ /* Daemonization will close stderr but we really want to keep it, so make a
+ * copy. */
+ fd = dup(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);
+ daemonize_complete();
+
+ /* Now get stderr back. */
+ dup2(fd, STDERR_FILENO);
+
for (;;) {
struct ofpbuf *b;
- run(vconn_recv_block(vconn, &b), "vconn_recv");
- ofp_print(stderr, b->data, b->size, verbosity + 2);
- ofpbuf_delete(b);
+ int retval;
+
+ unixctl_server_run(server);
+
+ for (;;) {
+ retval = vconn_recv(vconn, &b);
+ if (retval == EAGAIN) {
+ break;
+ }
+
+ run(retval, "vconn_recv");
+ ofp_print(stderr, b->data, b->size, verbosity + 2);
+ ofpbuf_delete(b);
+ }
+
+ if (exiting) {
+ break;
+ }
+
+ vconn_run(vconn);
+ vconn_run_wait(vconn);
+ vconn_recv_wait(vconn);
+ unixctl_server_wait(server);
+ poll_block();
}
}
open_vconn(argv[1], &vconn);
if (argc > 2) {
- int miss_send_len = atoi(argv[2]);
- struct ofp_switch_config *osc;
- struct ofpbuf *buf;
+ struct ofp_switch_config config;
- osc = make_openflow(sizeof *osc, OFPT_SET_CONFIG, &buf);
- osc->miss_send_len = htons(miss_send_len);
- transact_noreply(vconn, buf);
+ fetch_switch_config(vconn, &config);
+ config.miss_send_len = htons(atoi(argv[2]));
+ set_switch_config(vconn, &config);
+ }
+ 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);
}
} else if (!strcasecmp(argv[3], "noflood")) {
opm->mask |= htonl(OFPPC_NO_FLOOD);
opm->config |= htonl(OFPPC_NO_FLOOD);
+ } else if (!strcasecmp(argv[3], "forward")) {
+ opm->mask |= htonl(OFPPC_NO_FWD);
+ } else if (!strcasecmp(argv[3], "noforward")) {
+ opm->mask |= htonl(OFPPC_NO_FWD);
+ opm->config |= htonl(OFPPC_NO_FWD);
} else {
ovs_fatal(0, "unknown mod-port command '%s'", argv[3]);
}
vconn_close(vconn);
}
+static void
+do_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
+do_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[])
{
min_flow_format = NXFF_OPENFLOW10;
while (!ds_get_preprocessed_line(&s, file)) {
struct fte_version *version;
+ struct ofputil_flow_mod fm;
enum nx_flow_format min_ff;
- struct ofpbuf actions;
- struct flow_mod fm;
- ofpbuf_init(&actions, 64);
parse_ofp_str(&fm, OFPFC_ADD, ds_cstr(&s), true);
version = xmalloc(sizeof *version);
version->idle_timeout = fm.idle_timeout;
version->hard_timeout = fm.hard_timeout;
version->flags = fm.flags & (OFPFF_SEND_FLOW_REM | OFPFF_EMERG);
- version->n_actions = actions.size / sizeof *version->actions;
- version->actions = ofpbuf_steal_data(&actions);
+ version->actions = fm.actions;
+ version->n_actions = fm.n_actions;
min_ff = ofputil_min_flow_format(&fm.cr);
min_flow_format = MAX(min_flow_format, min_ff);
read_flows_from_switch(struct vconn *vconn, enum nx_flow_format flow_format,
struct classifier *cls, int index)
{
- struct flow_stats_request fsr;
+ struct ofputil_flow_stats_request fsr;
struct ofpbuf *request;
ovs_be32 send_xid;
bool done;
cls_rule_init_catchall(&fsr.match, 0);
fsr.out_port = OFPP_NONE;
fsr.table_id = 0xff;
+ fsr.cookie = fsr.cookie_mask = htonll(0);
request = ofputil_encode_flow_stats_request(&fsr, flow_format);
send_xid = ((struct ofp_header *) request->data)->xid;
send_openflow_buffer(vconn, request);
enum nx_flow_format flow_format, struct list *packets)
{
const struct fte_version *version = fte->versions[index];
- struct flow_mod fm;
+ struct ofputil_flow_mod fm;
struct ofpbuf *ofm;
fm.cr = fte->rule;
struct fte_version *file_ver = fte->versions[FILE_IDX];
struct fte_version *sw_ver = fte->versions[SWITCH_IDX];
- if (file_ver && (!sw_ver || !fte_version_equals(sw_ver, file_ver))) {
+ if (file_ver
+ && (readd || !sw_ver || !fte_version_equals(sw_ver, file_ver))) {
fte_make_flow_mod(fte, FILE_IDX, OFPFC_ADD, flow_format,
&requests);
}
file = fopen(argv[1], "r");
if (file == NULL) {
- ovs_fatal(errno, "%s: open", argv[2]);
+ ovs_fatal(errno, "%s: open", argv[1]);
}
flow_format = NXFF_OPENFLOW10;
while (!ds_get_line(&in, stdin)) {
struct ofpbuf nx_match;
struct cls_rule rule;
+ ovs_be64 cookie, cookie_mask;
int match_len;
int error;
char *s;
match_len = nx_match_from_string(ds_cstr(&in), &nx_match);
/* Convert nx_match to cls_rule. */
- error = nx_pull_match(&nx_match, match_len, 0, &rule);
+ if (strict) {
+ error = nx_pull_match(&nx_match, match_len, 0, &rule,
+ &cookie, &cookie_mask);
+ } else {
+ error = nx_pull_match_loose(&nx_match, match_len, 0, &rule,
+ &cookie, &cookie_mask);
+ }
+
if (!error) {
char *out;
/* Convert cls_rule back to nx_match. */
ofpbuf_uninit(&nx_match);
ofpbuf_init(&nx_match, 0);
- match_len = nx_put_match(&nx_match, &rule);
+ match_len = nx_put_match(&nx_match, &rule, cookie, cookie_mask);
/* Convert nx_match to string. */
out = nx_match_to_string(nx_match.data, match_len);
puts(out);
free(out);
} else {
- printf("nx_pull_match() returned error %x\n", error);
+ printf("nx_pull_match() returned error %x (%s)\n", error,
+ ofputil_error_to_string(error));
}
ofpbuf_uninit(&nx_match);
{ "diff-flows", 2, 2, do_diff_flows },
{ "dump-ports", 1, 2, do_dump_ports },
{ "mod-port", 3, 3, do_mod_port },
+ { "get-frags", 1, 1, do_get_frags },
+ { "set-frags", 2, 2, do_set_frags },
{ "probe", 1, 1, do_probe },
{ "ping", 1, 2, do_ping },
{ "benchmark", 3, 3, do_benchmark },
git://git.onelab.eu / sliver-openvswitch.git / blobdiff