#include "compiler.h"
#include "dirs.h"
#include "dynamic-string.h"
-#include "netlink.h"
#include "nx-match.h"
#include "odp-util.h"
+#include "ofp-actions.h"
#include "ofp-errors.h"
#include "ofp-parse.h"
#include "ofp-print.h"
dump_stats_transaction(const char *vconn_name, struct ofpbuf *request)
{
ovs_be32 send_xid = ((struct ofp_header *) request->data)->xid;
+ ovs_be16 stats_type = ((struct ofp_stats_msg *) request->data)->type;
struct vconn *vconn;
bool done = false;
run(vconn_recv_block(vconn, &reply), "OpenFlow packet receive failed");
recv_xid = ((struct ofp_header *) reply->data)->xid;
if (send_xid == recv_xid) {
- struct ofp_stats_msg *osm;
+ const struct ofp_stats_msg *osm = reply->data;
+ const struct ofp_header *oh = reply->data;
ofp_print(stdout, reply->data, reply->size, verbosity + 1);
- osm = ofpbuf_at(reply, 0, sizeof *osm);
- done = !osm || !(ntohs(osm->flags) & OFPSF_REPLY_MORE);
+ if (oh->type == OFPT_ERROR) {
+ done = true;
+ } else if (oh->type == OFPT10_STATS_REPLY
+ && osm->type == stats_type) {
+ done = !(ntohs(osm->flags) & OFPSF_REPLY_MORE);
+ } 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);
verbosity + 1));
}
- osm = ofpbuf_at(reply, 0, sizeof *osm);
- done = !osm || !(ntohs(osm->flags) & OFPSF_REPLY_MORE);
+ osm = ofpbuf_at_assert(reply, 0, sizeof *osm);
+ done = !(ntohs(osm->flags) & OFPSF_REPLY_MORE);
if (found) {
/* We've already found the port, but we need to drain
struct ofputil_flow_mod *fm = &fms[i];
transact_noreply(vconn, ofputil_encode_flow_mod(fm, protocol));
- free(fm->actions);
+ free(fm->ofpacts);
}
vconn_close(vconn);
}
time_t now = time_wall();
char s[32];
- strftime(s, sizeof s, "%Y-%m-%d %H:%M:%S: ", localtime(&now));
+ strftime(s, sizeof s, "%Y-%m-%d %H:%M:%S: ", gmtime(&now));
fputs(s, stderr);
}
do_packet_out(int argc, char *argv[])
{
struct ofputil_packet_out po;
- struct ofpbuf actions;
+ struct ofpbuf ofpacts;
struct vconn *vconn;
int i;
- ofpbuf_init(&actions, sizeof(union ofp_action));
- parse_ofp_actions(argv[3], &actions);
+ ofpbuf_init(&ofpacts, 64);
+ parse_ofpacts(argv[3], &ofpacts);
po.buffer_id = UINT32_MAX;
po.in_port = (!strcasecmp(argv[2], "none") ? OFPP_NONE
: !strcasecmp(argv[2], "local") ? OFPP_LOCAL
: str_to_port_no(argv[1], argv[2]));
- po.actions = actions.data;
- po.n_actions = actions.size / sizeof(union ofp_action);
+ po.ofpacts = ofpacts.data;
+ po.ofpacts_len = ofpacts.size;
open_vconn(argv[1], &vconn);
for (i = 4; i < argc; i++) {
ofpbuf_delete(packet);
}
vconn_close(vconn);
- ofpbuf_uninit(&actions);
+ ofpbuf_uninit(&ofpacts);
}
static void
do_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.mask = 0;
pm.advertise = 0;
- if (!strcasecmp(argv[3], "up")) {
- pm.mask |= OFPUTIL_PC_PORT_DOWN;
- } else if (!strcasecmp(argv[3], "down")) {
- pm.mask |= OFPUTIL_PC_PORT_DOWN;
- pm.config |= OFPUTIL_PC_PORT_DOWN;
- } else if (!strcasecmp(argv[3], "flood")) {
- pm.mask |= OFPUTIL_PC_NO_FLOOD;
- } else if (!strcasecmp(argv[3], "noflood")) {
- pm.mask |= OFPUTIL_PC_NO_FLOOD;
- pm.config |= OFPUTIL_PC_NO_FLOOD;
- } else if (!strcasecmp(argv[3], "forward")) {
- pm.mask |= OFPUTIL_PC_NO_FWD;
- } else if (!strcasecmp(argv[3], "noforward")) {
- pm.mask |= OFPUTIL_PC_NO_FWD;
- pm.config |= OFPUTIL_PC_NO_FWD;
+ if (!strncasecmp(argv[3], "no-", 3)) {
+ command = argv[3] + 3;
+ not = true;
+ } else if (!strncasecmp(argv[3], "no", 2)) {
+ command = argv[3] + 2;
+ not = true;
} else {
- ovs_fatal(0, "unknown mod-port command '%s'", argv[3]);
+ command = argv[3];
+ not = false;
+ }
+ for (flag = flags; flag < &flags[ARRAY_SIZE(flags)]; flag++) {
+ if (!strcasecmp(command, flag->name)) {
+ pm.mask = flag->bit;
+ pm.config = flag->on ^ not ? flag->bit : 0;
+ goto found;
+ }
}
+ ovs_fatal(0, "unknown mod-port command '%s'", argv[3]);
+found:
protocol = open_vconn(argv[1], &vconn);
transact_noreply(vconn, ofputil_encode_port_mod(&pm, protocol));
vconn_close(vconn);
uint16_t idle_timeout;
uint16_t hard_timeout;
uint16_t flags;
- union ofp_action *actions;
- size_t n_actions;
+ struct ofpact *ofpacts;
+ size_t ofpacts_len;
};
/* Frees 'version' and the data that it owns. */
fte_version_free(struct fte_version *version)
{
if (version) {
- free(version->actions);
+ free(version->ofpacts);
free(version);
}
}
return (a->cookie == b->cookie
&& a->idle_timeout == b->idle_timeout
&& a->hard_timeout == b->hard_timeout
- && a->n_actions == b->n_actions
- && !memcmp(a->actions, b->actions,
- a->n_actions * sizeof *a->actions));
+ && ofpacts_equal(a->ofpacts, a->ofpacts_len,
+ b->ofpacts, b->ofpacts_len));
}
/* Prints 'version' on stdout. Expects the caller to have printed the rule
}
ds_init(&s);
- ofp_print_actions(&s, version->actions, version->n_actions);
+ ofpacts_format(version->ofpacts, version->ofpacts_len, &s);
printf(" %s\n", ds_cstr(&s));
ds_destroy(&s);
}
parse_ofp_str(&fm, OFPFC_ADD, ds_cstr(&s), true);
version = xmalloc(sizeof *version);
- version->cookie = fm.cookie;
+ version->cookie = fm.new_cookie;
version->idle_timeout = fm.idle_timeout;
version->hard_timeout = fm.hard_timeout;
version->flags = fm.flags & (OFPFF_SEND_FLOW_REM | OFPFF_EMERG);
- version->actions = fm.actions;
- version->n_actions = fm.n_actions;
+ version->ofpacts = fm.ofpacts;
+ version->ofpacts_len = fm.ofpacts_len;
usable_protocols &= ofputil_usable_protocols(&fm.cr);
for (;;) {
struct fte_version *version;
struct ofputil_flow_stats fs;
+ struct ofpbuf ofpacts;
int retval;
- retval = ofputil_decode_flow_stats_reply(&fs, reply, false);
+ ofpbuf_init(&ofpacts, 64);
+ retval = ofputil_decode_flow_stats_reply(&fs, reply, false,
+ &ofpacts);
if (retval) {
+ ofpbuf_uninit(&ofpacts);
if (retval != EOF) {
ovs_fatal(0, "parse error in reply");
}
version->idle_timeout = fs.idle_timeout;
version->hard_timeout = fs.hard_timeout;
version->flags = 0;
- version->n_actions = fs.n_actions;
- version->actions = xmemdup(fs.actions,
- fs.n_actions * sizeof *fs.actions);
+ version->ofpacts = ofpbuf_steal_data(&ofpacts);
+ version->ofpacts_len = ofpacts.size;
fte_insert(cls, &fs.rule, version, index);
}
struct ofpbuf *ofm;
fm.cr = fte->rule;
- fm.cookie = version->cookie;
+ 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.flags = version->flags;
if (command == OFPFC_ADD || command == OFPFC_MODIFY ||
command == OFPFC_MODIFY_STRICT) {
- fm.actions = version->actions;
- fm.n_actions = version->n_actions;
+ fm.ofpacts = version->ofpacts;
+ fm.ofpacts_len = version->ofpacts_len;
} else {
- fm.actions = NULL;
- fm.n_actions = 0;
+ fm.ofpacts = NULL;
+ fm.ofpacts_len = 0;
}
ofm = ofputil_encode_flow_mod(&fm, protocol);
ofp_print(stdout, msg->data, msg->size, verbosity);
ofpbuf_delete(msg);
- free(fm->actions);
+ free(fm->ofpacts);
}
}
free(fms);
}
-/* "parse-nx-match": reads a series of nx_match specifications as strings from
- * stdin, does some internal fussing with them, and then prints them back as
- * strings on stdout. */
static void
-do_parse_nx_match(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
+do_parse_nxm__(bool oxm)
{
struct ds in;
ds_init(&in);
- while (!ds_get_line(&in, stdin)) {
+ while (!ds_get_test_line(&in, stdin)) {
struct ofpbuf nx_match;
struct cls_rule rule;
ovs_be64 cookie, cookie_mask;
enum ofperr error;
int match_len;
- char *s;
-
- /* Delete comments, skip blank lines. */
- s = ds_cstr(&in);
- if (*s == '#') {
- puts(s);
- continue;
- }
- if (strchr(s, '#')) {
- *strchr(s, '#') = '\0';
- }
- if (s[strspn(s, " ")] == '\0') {
- putchar('\n');
- continue;
- }
/* Convert string to nx_match. */
ofpbuf_init(&nx_match, 0);
/* Convert cls_rule back to nx_match. */
ofpbuf_uninit(&nx_match);
ofpbuf_init(&nx_match, 0);
- match_len = nx_put_match(&nx_match, &rule, cookie, cookie_mask);
+ match_len = nx_put_match(&nx_match, oxm, &rule,
+ cookie, cookie_mask);
/* Convert nx_match to string. */
out = nx_match_to_string(nx_match.data, match_len);
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
+do_parse_nxm(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
+{
+ return do_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
+do_parse_oxm(int argc OVS_UNUSED, char *argv[] OVS_UNUSED)
+{
+ return do_parse_nxm__(true);
+}
+
+static void
+print_differences(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("%2zu: %02"PRIx8" -> %02"PRIx8"\n", i, a[i], b[i]);
+ }
+ }
+ for (i = a_len; i < b_len; i++) {
+ printf("%2zu: (none) -> %02"PRIx8"\n", i, b[i]);
+ }
+ for (i = b_len; i < a_len; i++) {
+ printf("%2zu: %02"PRIx8" -> (none)\n", 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
+do_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-ofp11-match": reads a series of ofp11_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. */
+static void
+do_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 cls_rule rule;
+ 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 cls_rule. */
+ error = ofputil_cls_rule_from_ofp11_match(match_in.data,
+ OFP_DEFAULT_PRIORITY, &rule);
+ if (error) {
+ printf("bad ofp11_match: %s\n\n", ofperr_get_name(error));
+ ofpbuf_uninit(&match_in);
+ continue;
+ }
+
+ /* Print cls_rule. */
+ cls_rule_print(&rule);
+
+ /* Convert back to ofp11_match and print differences from input. */
+ ofputil_cls_rule_to_ofp11_match(&rule, &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
+do_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
+do_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);
+}
+
/* "print-error ENUM": Prints the type and code of ENUM for every OpenFlow
* version. */
static void
/* Undocumented commands for testing. */
{ "parse-flow", 1, 1, do_parse_flow },
{ "parse-flows", 1, 1, do_parse_flows },
- { "parse-nx-match", 0, 0, do_parse_nx_match },
+ { "parse-nx-match", 0, 0, do_parse_nxm },
+ { "parse-nxm", 0, 0, do_parse_nxm },
+ { "parse-oxm", 0, 0, do_parse_oxm },
+ { "parse-ofp10-actions", 0, 0, do_parse_ofp10_actions },
+ { "parse-ofp11-match", 0, 0, do_parse_ofp11_match },
+ { "parse-ofp11-actions", 0, 0, do_parse_ofp11_actions },
+ { "parse-ofp11-instructions", 0, 0, do_parse_ofp11_instructions },
{ "print-error", 1, 1, do_print_error },
{ "ofp-print", 1, 2, do_ofp_print },