/*
- * Copyright (c) 2009 Nicira Networks.
+ * Copyright (c) 2009, 2010 Nicira Networks.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
struct rule {
struct cls_rule cr;
+ uint64_t flow_cookie; /* Controller-issued identifier.
+ (Kept in network-byte order.) */
uint16_t idle_timeout; /* In seconds from time of last use. */
uint16_t hard_timeout; /* In seconds from time of creation. */
+ bool send_flow_removed; /* Send a flow removed message? */
long long int used; /* Last-used time (0 if never used). */
long long int created; /* Creation time. */
uint64_t packet_count; /* Number of packets received. */
static struct rule *rule_create(struct ofproto *, struct rule *super,
const union ofp_action *, size_t n_actions,
- uint16_t idle_timeout, uint16_t hard_timeout);
+ uint16_t idle_timeout, uint16_t hard_timeout,
+ uint64_t flow_cookie, bool send_flow_removed);
static void rule_free(struct rule *);
static void rule_destroy(struct ofproto *, struct rule *);
static struct rule *rule_from_cls_rule(const struct cls_rule *);
struct rule *displaced_rule);
static void rule_uninstall(struct ofproto *, struct rule *);
static void rule_post_uninstall(struct ofproto *, struct rule *);
+static void send_flow_removed(struct ofproto *p, struct rule *rule,
+ long long int now, uint8_t reason);
struct ofconn {
struct list node;
struct rconn *rconn;
struct pktbuf *pktbuf;
- bool send_flow_exp;
int miss_send_len;
struct rconn_packet_counter *packet_in_counter;
char *hardware; /* Hardware. */
char *software; /* Software version. */
char *serial; /* Serial number. */
+ char *dp_desc; /* Datapath description. */
/* Datapath. */
struct dpif *dpif;
p->hardware = xstrdup("Reference Implementation");
p->software = xstrdup(VERSION BUILDNR);
p->serial = xstrdup("None");
+ p->dp_desc = xstrdup("None");
/* Initialize datapath. */
p->dpif = dpif;
/* Pick final datapath ID. */
p->datapath_id = pick_datapath_id(p);
- VLOG_INFO("using datapath ID %012"PRIx64, p->datapath_id);
+ VLOG_INFO("using datapath ID %016"PRIx64, p->datapath_id);
*ofprotop = p;
return 0;
uint64_t old_dpid = p->datapath_id;
p->datapath_id = datapath_id ? datapath_id : pick_datapath_id(p);
if (p->datapath_id != old_dpid) {
- VLOG_INFO("datapath ID changed to %012"PRIx64, p->datapath_id);
+ VLOG_INFO("datapath ID changed to %016"PRIx64, p->datapath_id);
rconn_reconnect(p->controller->rconn);
}
}
void
ofproto_set_desc(struct ofproto *p,
const char *manufacturer, const char *hardware,
- const char *software, const char *serial)
+ const char *software, const char *serial,
+ const char *dp_desc)
{
if (manufacturer) {
free(p->manufacturer);
free(p->serial);
p->serial = xstrdup(serial);
}
+ if (dp_desc) {
+ free(p->dp_desc);
+ p->dp_desc = xstrdup(dp_desc);
+ }
}
int
{
struct rule *rule;
rule = rule_create(p, NULL, actions, n_actions,
- idle_timeout >= 0 ? idle_timeout : 5 /* XXX */, 0);
+ idle_timeout >= 0 ? idle_timeout : 5 /* XXX */,
+ 0, 0, false);
cls_rule_from_flow(&rule->cr, flow, wildcards, priority);
rule_insert(p, rule, NULL, 0);
}
list_push_back(&p->all_conns, &ofconn->node);
ofconn->rconn = rconn;
ofconn->pktbuf = NULL;
- ofconn->send_flow_exp = false;
ofconn->miss_send_len = 0;
ofconn->packet_in_counter = rconn_packet_counter_create ();
ofconn->reply_counter = rconn_packet_counter_create ();
static struct rule *
rule_create(struct ofproto *ofproto, struct rule *super,
const union ofp_action *actions, size_t n_actions,
- uint16_t idle_timeout, uint16_t hard_timeout)
+ uint16_t idle_timeout, uint16_t hard_timeout,
+ uint64_t flow_cookie, bool send_flow_removed)
{
struct rule *rule = xcalloc(1, sizeof *rule);
rule->idle_timeout = idle_timeout;
rule->hard_timeout = hard_timeout;
+ rule->flow_cookie = flow_cookie;
rule->used = rule->created = time_msec();
+ rule->send_flow_removed = send_flow_removed;
rule->super = super;
if (super) {
list_push_back(&super->list, &rule->list);
const flow_t *flow)
{
struct rule *subrule = rule_create(ofproto, rule, NULL, 0,
- rule->idle_timeout, rule->hard_timeout);
+ rule->idle_timeout, rule->hard_timeout,
+ 0, false);
COVERAGE_INC(ofproto_subrule_create);
cls_rule_from_flow(&subrule->cr, flow, 0,
(rule->cr.priority <= UINT16_MAX ? UINT16_MAX
&put)) {
rule->installed = true;
if (displaced_rule) {
- update_stats(p, rule, &put.flow.stats);
+ update_stats(p, displaced_rule, &put.flow.stats);
rule_post_uninstall(p, displaced_rule);
}
}
static void
rule_update_actions(struct ofproto *ofproto, struct rule *rule)
{
- bool actions_changed = rule_make_actions(ofproto, rule, NULL);
+ bool actions_changed;
+ uint16_t new_out_iface, old_out_iface;
+
+ old_out_iface = rule->nf_flow.output_iface;
+ actions_changed = rule_make_actions(ofproto, rule, NULL);
+
if (rule->may_install) {
if (rule->installed) {
if (actions_changed) {
- /* XXX should really do rule_post_uninstall() for the *old* set
- * of actions, and distinguish the old stats from the new. */
struct odp_flow_put put;
- do_put_flow(ofproto, rule, ODPPF_CREATE | ODPPF_MODIFY, &put);
+ do_put_flow(ofproto, rule, ODPPF_CREATE | ODPPF_MODIFY
+ | ODPPF_ZERO_STATS, &put);
+ update_stats(ofproto, rule, &put.flow.stats);
+
+ /* Temporarily set the old output iface so that NetFlow
+ * messages have the correct output interface for the old
+ * stats. */
+ new_out_iface = rule->nf_flow.output_iface;
+ rule->nf_flow.output_iface = old_out_iface;
+ rule_post_uninstall(ofproto, rule);
+ rule->nf_flow.output_iface = new_out_iface;
}
} else {
rule_install(ofproto, rule, NULL);
osf->n_buffers = htonl(pktbuf_capacity());
osf->n_tables = 2;
osf->capabilities = htonl(OFPC_FLOW_STATS | OFPC_TABLE_STATS |
- OFPC_PORT_STATS | OFPC_MULTI_PHY_TX);
+ OFPC_PORT_STATS | OFPC_ARP_MATCH_IP);
osf->actions = htonl((1u << OFPAT_OUTPUT) |
(1u << OFPAT_SET_VLAN_VID) |
(1u << OFPAT_SET_VLAN_PCP) |
(1u << OFPAT_SET_DL_DST) |
(1u << OFPAT_SET_NW_SRC) |
(1u << OFPAT_SET_NW_DST) |
+ (1u << OFPAT_SET_NW_TOS) |
(1u << OFPAT_SET_TP_SRC) |
(1u << OFPAT_SET_TP_DST));
/* Figure out flags. */
dpif_get_drop_frags(p->dpif, &drop_frags);
flags = drop_frags ? OFPC_FRAG_DROP : OFPC_FRAG_NORMAL;
- if (ofconn->send_flow_exp) {
- flags |= OFPC_SEND_FLOW_EXP;
- }
/* Send reply. */
osc = make_openflow_xid(sizeof *osc, OFPT_GET_CONFIG_REPLY, oh->xid, &buf);
}
flags = ntohs(osc->flags);
- ofconn->send_flow_exp = (flags & OFPC_SEND_FLOW_EXP) != 0;
-
if (ofconn == p->controller) {
switch (flags & OFPC_FRAG_MASK) {
case OFPC_FRAG_NORMAL:
case OFPAT_SET_NW_DST:
oa = odp_actions_add(ctx->out, ODPAT_SET_NW_DST);
oa->nw_addr.nw_addr = ia->nw_addr.nw_addr;
+
+ case OFPAT_SET_NW_TOS:
+ oa = odp_actions_add(ctx->out, ODPAT_SET_NW_TOS);
+ oa->nw_tos.nw_tos = ia->nw_tos.nw_tos;
break;
case OFPAT_SET_TP_SRC:
strncpy(ods->hw_desc, p->hardware, sizeof ods->hw_desc);
strncpy(ods->sw_desc, p->software, sizeof ods->sw_desc);
strncpy(ods->serial_num, p->serial, sizeof ods->serial_num);
+ strncpy(ods->dp_desc, p->dp_desc, sizeof ods->dp_desc);
queue_tx(msg, ofconn, ofconn->reply_counter);
return 0;
return 0;
}
+static void
+append_port_stat(struct ofport *port, uint16_t port_no, struct ofconn *ofconn,
+ struct ofpbuf *msg)
+{
+ struct netdev_stats stats;
+ struct ofp_port_stats *ops;
+
+ /* Intentionally ignore return value, since errors will set
+ * 'stats' to all-1s, which is correct for OpenFlow, and
+ * netdev_get_stats() will log errors. */
+ netdev_get_stats(port->netdev, &stats);
+
+ ops = append_stats_reply(sizeof *ops, ofconn, &msg);
+ ops->port_no = htons(odp_port_to_ofp_port(port_no));
+ memset(ops->pad, 0, sizeof ops->pad);
+ ops->rx_packets = htonll(stats.rx_packets);
+ ops->tx_packets = htonll(stats.tx_packets);
+ ops->rx_bytes = htonll(stats.rx_bytes);
+ ops->tx_bytes = htonll(stats.tx_bytes);
+ ops->rx_dropped = htonll(stats.rx_dropped);
+ ops->tx_dropped = htonll(stats.tx_dropped);
+ ops->rx_errors = htonll(stats.rx_errors);
+ ops->tx_errors = htonll(stats.tx_errors);
+ ops->rx_frame_err = htonll(stats.rx_frame_errors);
+ ops->rx_over_err = htonll(stats.rx_over_errors);
+ ops->rx_crc_err = htonll(stats.rx_crc_errors);
+ ops->collisions = htonll(stats.collisions);
+}
+
static int
handle_port_stats_request(struct ofproto *p, struct ofconn *ofconn,
- struct ofp_stats_request *request)
+ struct ofp_stats_request *osr,
+ size_t arg_size)
{
+ struct ofp_port_stats_request *psr;
struct ofp_port_stats *ops;
struct ofpbuf *msg;
struct ofport *port;
unsigned int port_no;
- msg = start_stats_reply(request, sizeof *ops * 16);
- PORT_ARRAY_FOR_EACH (port, &p->ports, port_no) {
- struct netdev_stats stats;
-
- /* Intentionally ignore return value, since errors will set 'stats' to
- * all-1s, which is correct for OpenFlow, and netdev_get_stats() will
- * log errors. */
- netdev_get_stats(port->netdev, &stats);
-
- ops = append_stats_reply(sizeof *ops, ofconn, &msg);
- ops->port_no = htons(odp_port_to_ofp_port(port_no));
- memset(ops->pad, 0, sizeof ops->pad);
- ops->rx_packets = htonll(stats.rx_packets);
- ops->tx_packets = htonll(stats.tx_packets);
- ops->rx_bytes = htonll(stats.rx_bytes);
- ops->tx_bytes = htonll(stats.tx_bytes);
- ops->rx_dropped = htonll(stats.rx_dropped);
- ops->tx_dropped = htonll(stats.tx_dropped);
- ops->rx_errors = htonll(stats.rx_errors);
- ops->tx_errors = htonll(stats.tx_errors);
- ops->rx_frame_err = htonll(stats.rx_frame_errors);
- ops->rx_over_err = htonll(stats.rx_over_errors);
- ops->rx_crc_err = htonll(stats.rx_crc_errors);
- ops->collisions = htonll(stats.collisions);
+ if (arg_size != sizeof *psr) {
+ return ofp_mkerr(OFPET_BAD_REQUEST, OFPBRC_BAD_LEN);
+ }
+ psr = (struct ofp_port_stats_request *) osr->body;
+
+ msg = start_stats_reply(osr, sizeof *ops * 16);
+ if (psr->port_no != htons(OFPP_NONE)) {
+ port = port_array_get(&p->ports,
+ ofp_port_to_odp_port(ntohs(psr->port_no)));
+ if (port) {
+ append_port_stat(port, ntohs(psr->port_no), ofconn, msg);
+ }
+ } else {
+ PORT_ARRAY_FOR_EACH (port, &p->ports, port_no) {
+ append_port_stat(port, port_no, ofconn, msg);
+ }
}
queue_tx(msg, ofconn, ofconn->reply_counter);
struct ofp_flow_stats *ofs;
uint64_t packet_count, byte_count;
size_t act_len, len;
+ long long int tdiff = time_msec() - rule->created;
+ uint32_t sec = tdiff / 1000;
+ uint32_t msec = tdiff - (sec * 1000);
if (rule_is_hidden(rule) || !rule_has_out_port(rule, cbdata->out_port)) {
return;
ofs->table_id = rule->cr.wc.wildcards ? TABLEID_CLASSIFIER : TABLEID_HASH;
ofs->pad = 0;
flow_to_match(&rule->cr.flow, rule->cr.wc.wildcards, &ofs->match);
- ofs->duration = htonl((time_msec() - rule->created) / 1000);
+ ofs->duration_sec = htonl(sec);
+ ofs->duration_nsec = htonl(msec * 1000000);
+ ofs->cookie = rule->flow_cookie;
ofs->priority = htons(rule->cr.priority);
ofs->idle_timeout = htons(rule->idle_timeout);
ofs->hard_timeout = htons(rule->hard_timeout);
struct cls_rule target;
if (arg_size != sizeof *fsr) {
- return ofp_mkerr(OFPET_BAD_REQUEST, OFPBRC_BAD_LENGTH);
+ return ofp_mkerr(OFPET_BAD_REQUEST, OFPBRC_BAD_LEN);
}
fsr = (struct ofp_flow_stats_request *) osr->body;
}
query_stats(cbdata->ofproto, rule, &packet_count, &byte_count);
- flow_to_ovs_match(&rule->cr.flow, rule->cr.wc.wildcards, &match);
+ flow_to_match(&rule->cr.flow, rule->cr.wc.wildcards, &match);
ds_put_format(results, "duration=%llds, ",
(time_msec() - rule->created) / 1000);
struct ofpbuf *msg;
if (arg_size != sizeof *asr) {
- return ofp_mkerr(OFPET_BAD_REQUEST, OFPBRC_BAD_LENGTH);
+ return ofp_mkerr(OFPET_BAD_REQUEST, OFPBRC_BAD_LEN);
}
asr = (struct ofp_aggregate_stats_request *) osr->body;
return handle_table_stats_request(p, ofconn, osr);
case OFPST_PORT:
- return handle_port_stats_request(p, ofconn, osr);
+ return handle_port_stats_request(p, ofconn, osr, arg_size);
case OFPST_VENDOR:
return ofp_mkerr(OFPET_BAD_REQUEST, OFPBRC_BAD_VENDOR);
uint16_t in_port;
int error;
+ if (ofm->flags & htons(OFPFF_CHECK_OVERLAP)) {
+ flow_t flow;
+ uint32_t wildcards;
+
+ flow_from_match(&flow, &wildcards, &ofm->match);
+ if (classifier_rule_overlaps(&p->cls, &flow, wildcards,
+ ntohs(ofm->priority))) {
+ return ofp_mkerr(OFPET_FLOW_MOD_FAILED, OFPFMFC_OVERLAP);
+ }
+ }
+
rule = rule_create(p, NULL, (const union ofp_action *) ofm->actions,
n_actions, ntohs(ofm->idle_timeout),
- ntohs(ofm->hard_timeout));
+ ntohs(ofm->hard_timeout), ofm->cookie,
+ ofm->flags & htons(OFPFF_SEND_FLOW_REM));
cls_rule_from_match(&rule->cr, &ofm->match, ntohs(ofm->priority));
packet = NULL;
}
if (command == OFPFC_DELETE) {
+ long long int now = time_msec();
+ send_flow_removed(p, rule, now, OFPRR_DELETE);
rule_remove(p, rule);
} else {
size_t actions_len = n_actions * sizeof *rule->actions;
free(rule->actions);
rule->actions = xmemdup(ofm->actions, actions_len);
rule->n_actions = n_actions;
+ rule->flow_cookie = ofm->cookie;
if (rule->cr.wc.wildcards) {
COVERAGE_INC(ofproto_mod_wc_flow);
return error;
}
+ /* We do not support the emergency flow cache. It will hopefully
+ * get dropped from OpenFlow in the near future. */
+ if (ofm->flags & htons(OFPFF_EMERG)) {
+ /* There isn't a good fit for an error code, so just state that the
+ * flow table is full. */
+ return ofp_mkerr(OFPET_FLOW_MOD_FAILED, OFPFMFC_ALL_TABLES_FULL);
+ }
+
normalize_match(&ofm->match);
if (!ofm->match.wildcards) {
ofm->priority = htons(UINT16_MAX);
size_t msg_len = ntohs(ofmph->header.header.length);
if (msg_len < sizeof(*ofmph)) {
VLOG_WARN_RL(&rl, "dropping short managment message: %zu\n", msg_len);
- return ofp_mkerr(OFPET_BAD_REQUEST, OFPBRC_BAD_LENGTH);
+ return ofp_mkerr(OFPET_BAD_REQUEST, OFPBRC_BAD_LEN);
}
if (ofmph->type == htons(OFMPT_CAPABILITY_REQUEST)) {
if (msg_len < sizeof(struct ofmp_capability_request)) {
VLOG_WARN_RL(&rl, "dropping short capability request: %zu\n",
msg_len);
- return ofp_mkerr(OFPET_BAD_REQUEST, OFPBRC_BAD_LENGTH);
+ return ofp_mkerr(OFPET_BAD_REQUEST, OFPBRC_BAD_LEN);
}
ofmpcr = (struct ofmp_capability_request *)ofmph;
struct nicira_header *nh;
if (ntohs(ovh->header.length) < sizeof(struct ofp_vendor_header)) {
- return ofp_mkerr(OFPET_BAD_REQUEST, OFPBRC_BAD_LENGTH);
+ return ofp_mkerr(OFPET_BAD_REQUEST, OFPBRC_BAD_LEN);
}
if (ovh->vendor != htonl(NX_VENDOR_ID)) {
return ofp_mkerr(OFPET_BAD_REQUEST, OFPBRC_BAD_VENDOR);
}
if (ntohs(ovh->header.length) < sizeof(struct nicira_header)) {
- return ofp_mkerr(OFPET_BAD_REQUEST, OFPBRC_BAD_LENGTH);
+ return ofp_mkerr(OFPET_BAD_REQUEST, OFPBRC_BAD_LEN);
}
nh = msg;
return ofp_mkerr(OFPET_BAD_REQUEST, OFPBRC_BAD_SUBTYPE);
}
+static int
+handle_barrier_request(struct ofconn *ofconn, struct ofp_header *oh)
+{
+ struct ofp_header *ob;
+ struct ofpbuf *buf;
+
+ /* Currently, everything executes synchronously, so we can just
+ * immediately send the barrier reply. */
+ ob = make_openflow_xid(sizeof *ob, OFPT_BARRIER_REPLY, oh->xid, &buf);
+ queue_tx(buf, ofconn, ofconn->reply_counter);
+ return 0;
+}
+
static void
handle_openflow(struct ofconn *ofconn, struct ofproto *p,
struct ofpbuf *ofp_msg)
error = handle_vendor(p, ofconn, ofp_msg->data);
break;
+ case OFPT_BARRIER_REQUEST:
+ error = handle_barrier_request(ofconn, oh);
+ break;
+
default:
if (VLOG_IS_WARN_ENABLED()) {
char *s = ofp_to_string(oh, ntohs(oh->length), 2);
}
static struct ofpbuf *
-compose_flow_exp(const struct rule *rule, long long int now, uint8_t reason)
+compose_flow_removed(const struct rule *rule, long long int now, uint8_t reason)
{
- struct ofp_flow_expired *ofe;
+ struct ofp_flow_removed *ofr;
struct ofpbuf *buf;
-
- ofe = make_openflow(sizeof *ofe, OFPT_FLOW_EXPIRED, &buf);
- flow_to_match(&rule->cr.flow, rule->cr.wc.wildcards, &ofe->match);
- ofe->priority = htons(rule->cr.priority);
- ofe->reason = reason;
- ofe->duration = htonl((now - rule->created) / 1000);
- ofe->packet_count = htonll(rule->packet_count);
- ofe->byte_count = htonll(rule->byte_count);
+ long long int last_used = rule->used ? now - rule->used : 0;
+ long long int tdiff = time_msec() - rule->created - last_used;
+ uint32_t sec = tdiff / 1000;
+ uint32_t msec = tdiff - (sec * 1000);
+
+ ofr = make_openflow(sizeof *ofr, OFPT_FLOW_REMOVED, &buf);
+ flow_to_match(&rule->cr.flow, rule->cr.wc.wildcards, &ofr->match);
+ ofr->cookie = rule->flow_cookie;
+ ofr->priority = htons(rule->cr.priority);
+ ofr->reason = reason;
+ ofr->duration_sec = htonl(sec);
+ ofr->duration_nsec = htonl(msec * 1000000);
+ ofr->idle_timeout = htons(rule->idle_timeout);
+ ofr->packet_count = htonll(rule->packet_count);
+ ofr->byte_count = htonll(rule->byte_count);
return buf;
}
static void
-send_flow_exp(struct ofproto *p, struct rule *rule,
- long long int now, uint8_t reason)
+uninstall_idle_flow(struct ofproto *ofproto, struct rule *rule)
+{
+ assert(rule->installed);
+ assert(!rule->cr.wc.wildcards);
+
+ if (rule->super) {
+ rule_remove(ofproto, rule);
+ } else {
+ rule_uninstall(ofproto, rule);
+ }
+}
+static void
+send_flow_removed(struct ofproto *p, struct rule *rule,
+ long long int now, uint8_t reason)
{
struct ofconn *ofconn;
struct ofconn *prev;
prev = NULL;
LIST_FOR_EACH (ofconn, struct ofconn, node, &p->all_conns) {
- if (ofconn->send_flow_exp && rconn_is_connected(ofconn->rconn)) {
+ if (rule->send_flow_removed && rconn_is_connected(ofconn->rconn)) {
if (prev) {
queue_tx(ofpbuf_clone(buf), prev, prev->reply_counter);
} else {
- buf = compose_flow_exp(rule, now, reason);
+ buf = compose_flow_removed(rule, now, reason);
}
prev = ofconn;
}
}
}
-static void
-uninstall_idle_flow(struct ofproto *ofproto, struct rule *rule)
-{
- assert(rule->installed);
- assert(!rule->cr.wc.wildcards);
-
- if (rule->super) {
- rule_remove(ofproto, rule);
- } else {
- rule_uninstall(ofproto, rule);
- }
-}
static void
expire_rule(struct cls_rule *cls_rule, void *p_)
}
COVERAGE_INC(ofproto_expired);
+
+ /* Update stats. This code will be a no-op if the rule expired
+ * due to an idle timeout. */
if (rule->cr.wc.wildcards) {
- /* Update stats. (This code will be a no-op if the rule expired
- * due to an idle timeout, because in that case the rule has no
- * subrules left.) */
struct rule *subrule, *next;
LIST_FOR_EACH_SAFE (subrule, next, struct rule, list, &rule->list) {
rule_remove(p, subrule);
}
+ } else {
+ rule_uninstall(p, rule);
}
- send_flow_exp(p, rule, now,
- (now >= hard_expire
- ? OFPER_HARD_TIMEOUT : OFPER_IDLE_TIMEOUT));
+ if (!rule_is_hidden(rule)) {
+ send_flow_removed(p, rule, now,
+ (now >= hard_expire
+ ? OFPRR_HARD_TIMEOUT : OFPRR_IDLE_TIMEOUT));
+ }
rule_remove(p, rule);
}
git://git.onelab.eu / sliver-openvswitch.git / blobdiff