/*
- * Copyright (c) 2009, 2010 Nicira Networks.
+ * Copyright (c) 2009, 2010, 2011 Nicira Networks.
* Copyright (c) 2010 Jean Tourrilhes - HP-Labs.
*
* Licensed under the Apache License, Version 2.0 (the "License");
#include "hmap.h"
#include "in-band.h"
#include "mac-learning.h"
+#include "multipath.h"
#include "netdev.h"
#include "netflow.h"
#include "netlink.h"
#include "svec.h"
#include "tag.h"
#include "timeval.h"
+#include "unaligned.h"
#include "unixctl.h"
#include "vconn.h"
#include "vlog.h"
#include "sflow_api.h"
+/* Maximum depth of flow table recursion (due to NXAST_RESUBMIT actions) in a
+ * flow translation. */
+#define MAX_RESUBMIT_RECURSION 16
+
struct rule;
struct ofport {
*
* This is normally null so the client has to set it manually after
* calling action_xlate_ctx_init(). */
- void (*resubmit_hook)(struct action_xlate_ctx *, const struct rule *);
+ void (*resubmit_hook)(struct action_xlate_ctx *, struct rule *);
+
+ /* If true, the speciality of 'flow' should be checked before executing
+ * its actions. If special_cb returns false on 'flow' rendered
+ * uninstallable and no actions will be executed. */
+ bool check_special;
/* xlate_actions() initializes and uses these members. The client might want
* to look at them after it returns. */
int recurse; /* Recursion level, via xlate_table_action. */
int last_pop_priority; /* Offset in 'odp_actions' just past most
- * recently added ODPAT_SET_PRIORITY. */
+ * recent ODP_ACTION_ATTR_SET_PRIORITY. */
};
static void action_xlate_ctx_init(struct action_xlate_ctx *,
static void rule_remove(struct ofproto *, struct rule *);
static void rule_send_removed(struct ofproto *, struct rule *, uint8_t reason);
+static void rule_get_stats(const struct rule *, uint64_t *packets,
+ uint64_t *bytes);
/* An exact-match instantiation of an OpenFlow flow. */
struct facet {
*
* - Do include packets and bytes that were obtained from the datapath
* when a flow was deleted (e.g. dpif_flow_del()) or when its
- * statistics were reset (e.g. dpif_flow_put() with ODPPF_ZERO_STATS).
+ * statistics were reset (e.g. dpif_flow_put() with
+ * DPIF_FP_ZERO_STATS).
*
* - Do not include any packets or bytes that can currently be obtained
* from the datapath by, e.g., dpif_flow_get().
uint64_t packet_count; /* Number of packets received. */
uint64_t byte_count; /* Number of bytes received. */
+ uint64_t dp_packet_count; /* Last known packet count in the datapath. */
+ uint64_t dp_byte_count; /* Last known byte count in the datapath. */
+
+ uint64_t rs_packet_count; /* Packets pushed to resubmit children. */
+ uint64_t rs_byte_count; /* Bytes pushed to resubmit children. */
+ long long int rs_used; /* Used time pushed to resubmit children. */
+
/* Number of bytes passed to account_cb. This may include bytes that can
* currently obtained from the datapath (thus, it can be greater than
* byte_count). */
bool installed; /* Installed in datapath? */
bool may_install; /* True ordinarily; false if actions must
* be reassessed for every packet. */
- unsigned int actions_len; /* Number of bytes in actions[]. */
+ size_t actions_len; /* Number of bytes in actions[]. */
struct nlattr *actions; /* Datapath actions. */
tag_type tags; /* Tags (set only by hooks). */
struct netflow_flow nf_flow; /* Per-flow NetFlow tracking data. */
static void facet_make_actions(struct ofproto *, struct facet *,
const struct ofpbuf *packet);
static void facet_update_stats(struct ofproto *, struct facet *,
- const struct odp_flow_stats *);
+ const struct dpif_flow_stats *);
+static void facet_push_stats(struct ofproto *, struct facet *);
/* ofproto supports two kinds of OpenFlow connections:
*
/* OFPT_PACKET_IN related data. */
struct rconn_packet_counter *packet_in_counter; /* # queued on 'rconn'. */
- struct pinsched *schedulers[2]; /* Indexed by reason code; see below. */
+#define N_SCHEDULERS 2
+ struct pinsched *schedulers[N_SCHEDULERS];
struct pktbuf *pktbuf; /* OpenFlow packet buffers. */
int miss_send_len; /* Bytes to send of buffered packets. */
enum ofproto_band band; /* In-band or out-of-band? */
};
-/* We use OFPR_NO_MATCH and OFPR_ACTION as indexes into struct ofconn's
- * "schedulers" array. Their values are 0 and 1, and their meanings and values
- * coincide with _ODPL_MISS_NR and _ODPL_ACTION_NR, so this is convenient. In
- * case anything ever changes, check their values here. */
-#define N_SCHEDULERS 2
-BUILD_ASSERT_DECL(OFPR_NO_MATCH == 0);
-BUILD_ASSERT_DECL(OFPR_NO_MATCH == _ODPL_MISS_NR);
-BUILD_ASSERT_DECL(OFPR_ACTION == 1);
-BUILD_ASSERT_DECL(OFPR_ACTION == _ODPL_ACTION_NR);
static struct ofconn *ofconn_create(struct ofproto *, struct rconn *,
enum ofconn_type);
static void queue_tx(struct ofpbuf *msg, const struct ofconn *ofconn,
struct rconn_packet_counter *counter);
-static void send_packet_in(struct ofproto *, struct ofpbuf *odp_msg);
-static void do_send_packet_in(struct ofpbuf *odp_msg, void *ofconn);
+static void send_packet_in(struct ofproto *, struct dpif_upcall *,
+ const struct flow *, bool clone);
+static void do_send_packet_in(struct ofpbuf *ofp_packet_in, void *ofconn);
struct ofproto {
/* Settings. */
static uint64_t pick_fallback_dpid(void);
static int ofproto_expire(struct ofproto *);
+static void flow_push_stats(struct ofproto *, const struct rule *,
+ struct flow *, uint64_t packets, uint64_t bytes,
+ long long int used);
-static void handle_odp_msg(struct ofproto *, struct ofpbuf *);
+static void handle_upcall(struct ofproto *, struct dpif_upcall *);
static void handle_openflow(struct ofconn *, struct ofpbuf *);
const struct ofhooks *ofhooks, void *aux,
struct ofproto **ofprotop)
{
- struct odp_stats stats;
struct ofproto *p;
struct dpif *dpif;
int error;
VLOG_ERR("failed to open datapath %s: %s", datapath, strerror(error));
return error;
}
- error = dpif_get_dp_stats(dpif, &stats);
- if (error) {
- VLOG_ERR("failed to obtain stats for datapath %s: %s",
- datapath, strerror(error));
- dpif_close(dpif);
- return error;
- }
- error = dpif_recv_set_mask(dpif, ODPL_MISS | ODPL_ACTION | ODPL_SFLOW);
+ error = dpif_recv_set_mask(dpif,
+ ((1u << DPIF_UC_MISS) |
+ (1u << DPIF_UC_ACTION) |
+ (1u << DPIF_UC_SAMPLE)));
if (error) {
VLOG_ERR("failed to listen on datapath %s: %s",
datapath, strerror(error));
p->netdev_monitor = netdev_monitor_create();
hmap_init(&p->ports);
shash_init(&p->port_by_name);
- p->max_ports = stats.max_ports;
+ p->max_ports = dpif_get_max_ports(dpif);
/* Initialize submodules. */
p->switch_status = switch_status_create(p);
}
for (i = 0; i < 50; i++) {
- struct ofpbuf *buf;
+ struct dpif_upcall packet;
- error = dpif_recv(p->dpif, &buf);
+ error = dpif_recv(p->dpif, &packet);
if (error) {
if (error == ENODEV) {
/* Someone destroyed the datapath behind our back. The caller
break;
}
- handle_odp_msg(p, buf);
+ handle_upcall(p, &packet);
}
while ((error = dpif_port_poll(p->dpif, &devname)) != EAGAIN) {
return !hmap_is_empty(&p->controllers);
}
+void
+ofproto_get_ofproto_controller_info(const struct ofproto * ofproto,
+ struct shash *info)
+{
+ const struct ofconn *ofconn;
+
+ shash_init(info);
+
+ HMAP_FOR_EACH (ofconn, hmap_node, &ofproto->controllers) {
+ const struct rconn *rconn = ofconn->rconn;
+ const int last_error = rconn_get_last_error(rconn);
+ struct ofproto_controller_info *cinfo = xmalloc(sizeof *cinfo);
+
+ shash_add(info, rconn_get_target(rconn), cinfo);
+
+ cinfo->is_connected = rconn_is_connected(rconn);
+ cinfo->role = ofconn->role;
+
+ cinfo->pairs.n = 0;
+
+ if (last_error) {
+ cinfo->pairs.keys[cinfo->pairs.n] = "last_error";
+ cinfo->pairs.values[cinfo->pairs.n++] =
+ xstrdup(ovs_retval_to_string(last_error));
+ }
+
+ cinfo->pairs.keys[cinfo->pairs.n] = "state";
+ cinfo->pairs.values[cinfo->pairs.n++] =
+ xstrdup(rconn_get_state(rconn));
+
+ cinfo->pairs.keys[cinfo->pairs.n] = "time_in_state";
+ cinfo->pairs.values[cinfo->pairs.n++] =
+ xasprintf("%u", rconn_get_state_elapsed(rconn));
+ }
+}
+
+void
+ofproto_free_ofproto_controller_info(struct shash *info)
+{
+ struct shash_node *node;
+
+ SHASH_FOR_EACH (node, info) {
+ struct ofproto_controller_info *cinfo = node->data;
+ while (cinfo->pairs.n) {
+ free((char *) cinfo->pairs.values[--cinfo->pairs.n]);
+ }
+ free(cinfo);
+ }
+ shash_destroy(info);
+}
+
/* Deletes port number 'odp_port' from the datapath for 'ofproto'.
*
* This is almost the same as calling dpif_port_del() directly on the
struct ofpbuf *odp_actions;
action_xlate_ctx_init(&ctx, p, flow, packet);
+ /* Always xlate packets originated in this function. */
+ ctx.check_special = false;
odp_actions = xlate_actions(&ctx, actions, n_actions);
/* XXX Should we translate the dpif_execute() errno value into an OpenFlow
* individually since we are about to blow away all the facets with
* dpif_flow_flush(). */
facet->installed = false;
+ facet->dp_packet_count = 0;
+ facet->dp_byte_count = 0;
facet_remove(ofproto, facet);
}
static void
reinit_ports(struct ofproto *p)
{
- struct svec devnames;
+ struct dpif_port_dump dump;
+ struct shash_node *node;
+ struct shash devnames;
struct ofport *ofport;
- struct odp_port *odp_ports;
- size_t n_odp_ports;
- size_t i;
+ struct dpif_port dpif_port;
COVERAGE_INC(ofproto_reinit_ports);
- svec_init(&devnames);
+ shash_init(&devnames);
HMAP_FOR_EACH (ofport, hmap_node, &p->ports) {
- svec_add (&devnames, ofport->opp.name);
+ shash_add_once (&devnames, ofport->opp.name, NULL);
}
- dpif_port_list(p->dpif, &odp_ports, &n_odp_ports);
- for (i = 0; i < n_odp_ports; i++) {
- svec_add (&devnames, odp_ports[i].devname);
+ DPIF_PORT_FOR_EACH (&dpif_port, &dump, p->dpif) {
+ shash_add_once (&devnames, dpif_port.name, NULL);
}
- free(odp_ports);
- svec_sort_unique(&devnames);
- for (i = 0; i < devnames.n; i++) {
- update_port(p, devnames.names[i]);
+ SHASH_FOR_EACH (node, &devnames) {
+ update_port(p, node->name);
}
- svec_destroy(&devnames);
+ shash_destroy(&devnames);
}
static struct ofport *
-make_ofport(const struct odp_port *odp_port)
+make_ofport(const struct dpif_port *dpif_port)
{
struct netdev_options netdev_options;
enum netdev_flags flags;
int error;
memset(&netdev_options, 0, sizeof netdev_options);
- netdev_options.name = odp_port->devname;
- netdev_options.type = odp_port->type;
+ netdev_options.name = dpif_port->name;
+ netdev_options.type = dpif_port->type;
netdev_options.ethertype = NETDEV_ETH_TYPE_NONE;
error = netdev_open(&netdev_options, &netdev);
if (error) {
VLOG_WARN_RL(&rl, "ignoring port %s (%"PRIu16") because netdev %s "
"cannot be opened (%s)",
- odp_port->devname, odp_port->port,
- odp_port->devname, strerror(error));
+ dpif_port->name, dpif_port->port_no,
+ dpif_port->name, strerror(error));
return NULL;
}
- ofport = xmalloc(sizeof *ofport);
+ ofport = xzalloc(sizeof *ofport);
ofport->netdev = netdev;
- ofport->odp_port = odp_port->port;
- ofport->opp.port_no = odp_port_to_ofp_port(odp_port->port);
+ ofport->odp_port = dpif_port->port_no;
+ ofport->opp.port_no = odp_port_to_ofp_port(dpif_port->port_no);
netdev_get_etheraddr(netdev, ofport->opp.hw_addr);
- memcpy(ofport->opp.name, odp_port->devname,
- MIN(sizeof ofport->opp.name, sizeof odp_port->devname));
- ofport->opp.name[sizeof ofport->opp.name - 1] = '\0';
+ ovs_strlcpy(ofport->opp.name, dpif_port->name, sizeof ofport->opp.name);
netdev_get_flags(netdev, &flags);
ofport->opp.config = flags & NETDEV_UP ? 0 : OFPPC_PORT_DOWN;
}
static bool
-ofport_conflicts(const struct ofproto *p, const struct odp_port *odp_port)
+ofport_conflicts(const struct ofproto *p, const struct dpif_port *dpif_port)
{
- if (get_port(p, odp_port->port)) {
+ if (get_port(p, dpif_port->port_no)) {
VLOG_WARN_RL(&rl, "ignoring duplicate port %"PRIu16" in datapath",
- odp_port->port);
+ dpif_port->port_no);
return true;
- } else if (shash_find(&p->port_by_name, odp_port->devname)) {
+ } else if (shash_find(&p->port_by_name, dpif_port->name)) {
VLOG_WARN_RL(&rl, "ignoring duplicate device %s in datapath",
- odp_port->devname);
+ dpif_port->name);
return true;
} else {
return false;
static void
update_port(struct ofproto *p, const char *devname)
{
- struct odp_port odp_port;
+ struct dpif_port dpif_port;
struct ofport *old_ofport;
struct ofport *new_ofport;
int error;
COVERAGE_INC(ofproto_update_port);
/* Query the datapath for port information. */
- error = dpif_port_query_by_name(p->dpif, devname, &odp_port);
+ error = dpif_port_query_by_name(p->dpif, devname, &dpif_port);
/* Find the old ofport. */
old_ofport = shash_find_data(&p->port_by_name, devname);
* reliably but more portably by comparing the old port's MAC
* against the new port's MAC. However, this code isn't that smart
* and always sends an OFPPR_MODIFY (XXX). */
- old_ofport = get_port(p, odp_port.port);
+ old_ofport = get_port(p, dpif_port.port_no);
}
} else if (error != ENOENT && error != ENODEV) {
VLOG_WARN_RL(&rl, "dpif_port_query_by_name returned unexpected error "
"%s", strerror(error));
- return;
+ goto exit;
}
/* Create a new ofport. */
- new_ofport = !error ? make_ofport(&odp_port) : NULL;
+ new_ofport = !error ? make_ofport(&dpif_port) : NULL;
/* Eliminate a few pathological cases. */
if (!old_ofport && !new_ofport) {
- return;
+ goto exit;
} else if (old_ofport && new_ofport) {
/* Most of the 'config' bits are OpenFlow soft state, but
* OFPPC_PORT_DOWN is maintained by the kernel. So transfer the
if (ofport_equal(old_ofport, new_ofport)) {
/* False alarm--no change. */
ofport_free(new_ofport);
- return;
+ goto exit;
}
}
: !new_ofport ? OFPPR_DELETE
: OFPPR_MODIFY));
ofport_free(old_ofport);
+
+exit:
+ dpif_port_destroy(&dpif_port);
}
static int
init_ports(struct ofproto *p)
{
- struct odp_port *ports;
- size_t n_ports;
- size_t i;
- int error;
+ struct dpif_port_dump dump;
+ struct dpif_port dpif_port;
- error = dpif_port_list(p->dpif, &ports, &n_ports);
- if (error) {
- return error;
- }
-
- for (i = 0; i < n_ports; i++) {
- const struct odp_port *odp_port = &ports[i];
- if (!ofport_conflicts(p, odp_port)) {
- struct ofport *ofport = make_ofport(odp_port);
+ DPIF_PORT_FOR_EACH (&dpif_port, &dump, p->dpif) {
+ if (!ofport_conflicts(p, &dpif_port)) {
+ struct ofport *ofport = make_ofport(&dpif_port);
if (ofport) {
ofport_install(p, ofport);
}
}
}
- free(ports);
+
return 0;
}
\f
char *ofconn_name = ofconn_make_name(p, controller_name);
rconn_connect(ofconn->rconn, controller_name, ofconn_name);
free(ofconn_name);
+ free(controller_name);
} else {
rconn_disconnect(ofconn->rconn);
}
*
* Takes ownership of 'packet'. */
static bool
-execute_odp_actions(struct ofproto *ofproto, uint16_t in_port,
- const struct nlattr *odp_actions, unsigned int actions_len,
+execute_odp_actions(struct ofproto *ofproto, const struct flow *flow,
+ const struct nlattr *odp_actions, size_t actions_len,
struct ofpbuf *packet)
{
- if (actions_len == NLA_ALIGN(NLA_HDRLEN + sizeof(uint32_t))
- && odp_actions->nla_type == ODPAT_CONTROLLER) {
+ if (actions_len == NLA_ALIGN(NLA_HDRLEN + sizeof(uint64_t))
+ && odp_actions->nla_type == ODP_ACTION_ATTR_CONTROLLER) {
/* As an optimization, avoid a round-trip from userspace to kernel to
* userspace. This also avoids possibly filling up kernel packet
* buffers along the way. */
- struct odp_msg *msg;
+ struct dpif_upcall upcall;
- msg = ofpbuf_push_uninit(packet, sizeof *msg);
- msg->type = _ODPL_ACTION_NR;
- msg->length = sizeof(struct odp_msg) + packet->size;
- msg->port = in_port;
- msg->reserved = 0;
- msg->arg = nl_attr_get_u32(odp_actions);
+ upcall.type = DPIF_UC_ACTION;
+ upcall.packet = packet;
+ upcall.key = NULL;
+ upcall.key_len = 0;
+ upcall.userdata = nl_attr_get_u64(odp_actions);
+ upcall.sample_pool = 0;
+ upcall.actions = NULL;
+ upcall.actions_len = 0;
- send_packet_in(ofproto, packet);
+ send_packet_in(ofproto, &upcall, flow, false);
return true;
} else {
facet_execute(struct ofproto *ofproto, struct facet *facet,
struct ofpbuf *packet)
{
- struct odp_flow_stats stats;
+ struct dpif_flow_stats stats;
assert(ofpbuf_headroom(packet) >= sizeof(struct ofp_packet_in));
flow_extract_stats(&facet->flow, packet, &stats);
- if (execute_odp_actions(ofproto, facet->flow.in_port,
+ if (execute_odp_actions(ofproto, &facet->flow,
facet->actions, facet->actions_len, packet)) {
- facet_update_stats(ofproto, facet, &stats);
facet->used = time_msec();
+ facet_update_stats(ofproto, facet, &stats);
netflow_flow_update_time(ofproto->netflow,
&facet->nf_flow, facet->used);
}
action_xlate_ctx_init(&ctx, ofproto, &flow, packet);
odp_actions = xlate_actions(&ctx, rule->actions, rule->n_actions);
size = packet->size;
- if (execute_odp_actions(ofproto, in_port, odp_actions->data,
+ if (execute_odp_actions(ofproto, &flow, odp_actions->data,
odp_actions->size, packet)) {
rule->used = time_msec();
rule->packet_count++;
rule->byte_count += size;
+ flow_push_stats(ofproto, rule, &flow, 1, size, rule->used);
}
ofpbuf_delete(odp_actions);
}
action_xlate_ctx_init(&ctx, p, &facet->flow, packet);
odp_actions = xlate_actions(&ctx, rule->actions, rule->n_actions);
+ facet->tags = ctx.tags;
+ facet->may_install = ctx.may_set_up_flow;
+ facet->nf_flow.output_iface = ctx.nf_output_iface;
if (facet->actions_len != odp_actions->size
|| memcmp(facet->actions, odp_actions->data, odp_actions->size)) {
}
static int
-facet_put__(struct ofproto *ofproto, struct facet *facet, int flags,
- struct odp_flow_put *put)
+facet_put__(struct ofproto *ofproto, struct facet *facet,
+ const struct nlattr *actions, size_t actions_len,
+ struct dpif_flow_stats *stats)
{
- memset(&put->flow.stats, 0, sizeof put->flow.stats);
- odp_flow_key_from_flow(&put->flow.key, &facet->flow);
- put->flow.actions = facet->actions;
- put->flow.actions_len = facet->actions_len;
- put->flow.flags = 0;
- put->flags = flags;
- return dpif_flow_put(ofproto->dpif, put);
+ uint32_t keybuf[ODPUTIL_FLOW_KEY_U32S];
+ enum dpif_flow_put_flags flags;
+ struct ofpbuf key;
+
+ flags = DPIF_FP_CREATE | DPIF_FP_MODIFY;
+ if (stats) {
+ flags |= DPIF_FP_ZERO_STATS;
+ facet->dp_packet_count = 0;
+ facet->dp_byte_count = 0;
+ }
+
+ ofpbuf_use_stack(&key, keybuf, sizeof keybuf);
+ odp_flow_key_from_flow(&key, &facet->flow);
+ assert(key.base == keybuf);
+
+ return dpif_flow_put(ofproto->dpif, flags, key.data, key.size,
+ actions, actions_len, stats);
}
/* If 'facet' is installable, inserts or re-inserts it into 'p''s datapath. If
static void
facet_install(struct ofproto *p, struct facet *facet, bool zero_stats)
{
- if (facet->may_install) {
- struct odp_flow_put put;
- int flags;
+ struct dpif_flow_stats stats;
- flags = ODPPF_CREATE | ODPPF_MODIFY;
- if (zero_stats) {
- flags |= ODPPF_ZERO_STATS;
- }
- if (!facet_put__(p, facet, flags, &put)) {
- facet->installed = true;
- }
+ if (facet->may_install
+ && !facet_put__(p, facet, facet->actions, facet->actions_len,
+ zero_stats ? &stats : NULL)) {
+ facet->installed = true;
}
}
facet_uninstall(struct ofproto *p, struct facet *facet)
{
if (facet->installed) {
- struct odp_flow odp_flow;
-
- odp_flow_key_from_flow(&odp_flow.key, &facet->flow);
- odp_flow.actions = NULL;
- odp_flow.actions_len = 0;
- odp_flow.flags = 0;
- if (!dpif_flow_del(p->dpif, &odp_flow)) {
- facet_update_stats(p, facet, &odp_flow.stats);
+ uint32_t keybuf[ODPUTIL_FLOW_KEY_U32S];
+ struct dpif_flow_stats stats;
+ struct ofpbuf key;
+
+ ofpbuf_use_stack(&key, keybuf, sizeof keybuf);
+ odp_flow_key_from_flow(&key, &facet->flow);
+ assert(key.base == keybuf);
+
+ if (!dpif_flow_del(p->dpif, key.data, key.size, &stats)) {
+ facet_update_stats(p, facet, &stats);
}
facet->installed = false;
+ facet->dp_packet_count = 0;
+ facet->dp_byte_count = 0;
+ } else {
+ assert(facet->dp_packet_count == 0);
+ assert(facet->dp_byte_count == 0);
}
}
}
/* Folds all of 'facet''s statistics into its rule. Also updates the
- * accounting ofhook and emits a NetFlow expiration if appropriate. */
+ * accounting ofhook and emits a NetFlow expiration if appropriate. All of
+ * 'facet''s statistics in the datapath should have been zeroed and folded into
+ * its packet and byte counts before this function is called. */
static void
facet_flush_stats(struct ofproto *ofproto, struct facet *facet)
{
+ assert(!facet->dp_byte_count);
+ assert(!facet->dp_packet_count);
+
+ facet_push_stats(ofproto, facet);
facet_account(ofproto, facet, 0);
if (ofproto->netflow && !facet_is_controller_flow(facet)) {
* reinstalled. */
facet->packet_count = 0;
facet->byte_count = 0;
+ facet->rs_packet_count = 0;
+ facet->rs_byte_count = 0;
facet->accounted_bytes = 0;
netflow_flow_clear(&facet->nf_flow);
/* If the ODP actions changed or the installability changed, then we need
* to talk to the datapath. */
- if (actions_changed || facet->may_install != facet->installed) {
- if (facet->may_install) {
- struct odp_flow_put put;
-
- memset(&put.flow.stats, 0, sizeof put.flow.stats);
- odp_flow_key_from_flow(&put.flow.key, &facet->flow);
- put.flow.actions = odp_actions->data;
- put.flow.actions_len = odp_actions->size;
- put.flow.flags = 0;
- put.flags = ODPPF_CREATE | ODPPF_MODIFY | ODPPF_ZERO_STATS;
- dpif_flow_put(ofproto->dpif, &put);
-
- facet_update_stats(ofproto, facet, &put.flow.stats);
+ if (actions_changed || ctx.may_set_up_flow != facet->installed) {
+ if (ctx.may_set_up_flow) {
+ struct dpif_flow_stats stats;
+
+ facet_put__(ofproto, facet,
+ odp_actions->data, odp_actions->size, &stats);
+ facet_update_stats(ofproto, facet, &stats);
} else {
facet_uninstall(ofproto, facet);
}
facet_flush_stats(ofproto, facet);
}
- ofpbuf_delete(odp_actions);
-
/* Update 'facet' now that we've taken care of all the old state. */
facet->tags = ctx.tags;
facet->nf_flow.output_iface = ctx.nf_output_iface;
list_push_back(&new_rule->facets, &facet->list_node);
facet->rule = new_rule;
facet->used = new_rule->created;
+ facet->rs_used = facet->used;
}
+ ofpbuf_delete(odp_actions);
+
return true;
}
\f
send_error_oh(const struct ofconn *ofconn, const struct ofp_header *oh,
int error)
{
- struct ofpbuf *buf = make_ofp_error_msg(error, oh);
+ struct ofpbuf *buf = ofputil_encode_error_msg(error, oh);
if (buf) {
COVERAGE_INC(ofproto_error);
queue_tx(buf, ofconn, ofconn->reply_counter);
return 0;
}
-/* Maximum depth of flow table recursion (due to NXAST_RESUBMIT actions) in a
- * flow translation. */
-#define MAX_RESUBMIT_RECURSION 8
-
static void do_xlate_actions(const union ofp_action *in, size_t n_in,
struct action_xlate_ctx *ctx);
*/
}
- nl_msg_put_u32(ctx->odp_actions, ODPAT_OUTPUT, port);
+ nl_msg_put_u32(ctx->odp_actions, ODP_ACTION_ATTR_OUTPUT, port);
ctx->nf_output_iface = port;
}
ctx->recurse--;
}
} else {
- struct vlog_rate_limit recurse_rl = VLOG_RATE_LIMIT_INIT(1, 1);
+ static struct vlog_rate_limit recurse_rl = VLOG_RATE_LIMIT_INIT(1, 1);
VLOG_ERR_RL(&recurse_rl, "NXAST_RESUBMIT recursed over %d times",
MAX_RESUBMIT_RECURSION);
HMAP_FOR_EACH (ofport, hmap_node, &ofproto->ports) {
uint16_t odp_port = ofport->odp_port;
if (odp_port != odp_in_port && !(ofport->opp.config & mask)) {
- nl_msg_put_u32(odp_actions, ODPAT_OUTPUT, odp_port);
+ nl_msg_put_u32(odp_actions, ODP_ACTION_ATTR_OUTPUT, odp_port);
}
}
*nf_output_iface = NF_OUT_FLOOD;
&ctx->nf_output_iface, ctx->odp_actions);
break;
case OFPP_CONTROLLER:
- nl_msg_put_u32(ctx->odp_actions, ODPAT_CONTROLLER, max_len);
+ nl_msg_put_u64(ctx->odp_actions, ODP_ACTION_ATTR_CONTROLLER, max_len);
break;
case OFPP_LOCAL:
add_output_action(ctx, ODPP_LOCAL);
add_pop_action(struct action_xlate_ctx *ctx)
{
if (ctx->odp_actions->size != ctx->last_pop_priority) {
- nl_msg_put_flag(ctx->odp_actions, ODPAT_POP_PRIORITY);
+ nl_msg_put_flag(ctx->odp_actions, ODP_ACTION_ATTR_POP_PRIORITY);
ctx->last_pop_priority = ctx->odp_actions->size;
}
}
/* Add ODP actions. */
remove_pop_action(ctx);
- nl_msg_put_u32(ctx->odp_actions, ODPAT_SET_PRIORITY, priority);
+ nl_msg_put_u32(ctx->odp_actions, ODP_ACTION_ATTR_SET_PRIORITY, priority);
add_output_action(ctx, odp_port);
add_pop_action(ctx);
}
remove_pop_action(ctx);
- nl_msg_put_u32(ctx->odp_actions, ODPAT_SET_PRIORITY, priority);
+ nl_msg_put_u32(ctx->odp_actions, ODP_ACTION_ATTR_SET_PRIORITY, priority);
}
static void
{
ovs_be16 tci = ctx->flow.vlan_tci;
if (!(tci & htons(VLAN_CFI))) {
- nl_msg_put_flag(ctx->odp_actions, ODPAT_STRIP_VLAN);
+ nl_msg_put_flag(ctx->odp_actions, ODP_ACTION_ATTR_STRIP_VLAN);
} else {
- nl_msg_put_be16(ctx->odp_actions, ODPAT_SET_DL_TCI,
+ nl_msg_put_be16(ctx->odp_actions, ODP_ACTION_ATTR_SET_DL_TCI,
tci & ~htons(VLAN_CFI));
}
}
+struct xlate_reg_state {
+ ovs_be16 vlan_tci;
+ ovs_be64 tun_id;
+};
+
static void
-xlate_reg_move_action(struct action_xlate_ctx *ctx,
- const struct nx_action_reg_move *narm)
+save_reg_state(const struct action_xlate_ctx *ctx,
+ struct xlate_reg_state *state)
{
- ovs_be16 old_tci = ctx->flow.vlan_tci;
-
- nxm_execute_reg_move(narm, &ctx->flow);
+ state->vlan_tci = ctx->flow.vlan_tci;
+ state->tun_id = ctx->flow.tun_id;
+}
- if (ctx->flow.vlan_tci != old_tci) {
+static void
+update_reg_state(struct action_xlate_ctx *ctx,
+ const struct xlate_reg_state *state)
+{
+ if (ctx->flow.vlan_tci != state->vlan_tci) {
xlate_set_dl_tci(ctx);
}
+ if (ctx->flow.tun_id != state->tun_id) {
+ nl_msg_put_be64(ctx->odp_actions,
+ ODP_ACTION_ATTR_SET_TUNNEL, ctx->flow.tun_id);
+ }
}
static void
const struct nx_action_resubmit *nar;
const struct nx_action_set_tunnel *nast;
const struct nx_action_set_queue *nasq;
+ const struct nx_action_multipath *nam;
enum nx_action_subtype subtype = ntohs(nah->subtype);
+ struct xlate_reg_state state;
+ ovs_be64 tun_id;
assert(nah->vendor == htonl(NX_VENDOR_ID));
switch (subtype) {
case NXAST_SET_TUNNEL:
nast = (const struct nx_action_set_tunnel *) nah;
- nl_msg_put_be32(ctx->odp_actions, ODPAT_SET_TUNNEL, nast->tun_id);
- ctx->flow.tun_id = nast->tun_id;
+ tun_id = htonll(ntohl(nast->tun_id));
+ nl_msg_put_be64(ctx->odp_actions, ODP_ACTION_ATTR_SET_TUNNEL, tun_id);
+ ctx->flow.tun_id = tun_id;
break;
case NXAST_DROP_SPOOFED_ARP:
if (ctx->flow.dl_type == htons(ETH_TYPE_ARP)) {
- nl_msg_put_flag(ctx->odp_actions, ODPAT_DROP_SPOOFED_ARP);
+ nl_msg_put_flag(ctx->odp_actions,
+ ODP_ACTION_ATTR_DROP_SPOOFED_ARP);
}
break;
break;
case NXAST_REG_MOVE:
- xlate_reg_move_action(ctx, (const struct nx_action_reg_move *) nah);
+ save_reg_state(ctx, &state);
+ nxm_execute_reg_move((const struct nx_action_reg_move *) nah,
+ &ctx->flow);
+ update_reg_state(ctx, &state);
break;
case NXAST_REG_LOAD:
+ save_reg_state(ctx, &state);
nxm_execute_reg_load((const struct nx_action_reg_load *) nah,
&ctx->flow);
+ update_reg_state(ctx, &state);
+ break;
case NXAST_NOTE:
/* Nothing to do. */
break;
+ case NXAST_SET_TUNNEL64:
+ tun_id = ((const struct nx_action_set_tunnel64 *) nah)->tun_id;
+ nl_msg_put_be64(ctx->odp_actions, ODP_ACTION_ATTR_SET_TUNNEL, tun_id);
+ ctx->flow.tun_id = tun_id;
+ break;
+
+ case NXAST_MULTIPATH:
+ nam = (const struct nx_action_multipath *) nah;
+ multipath_execute(nam, &ctx->flow);
+ break;
+
/* If you add a new action here that modifies flow data, don't forget to
* update the flow key in ctx->flow at the same time. */
case OFPAT_SET_DL_SRC:
oada = ((struct ofp_action_dl_addr *) ia);
- nl_msg_put_unspec(ctx->odp_actions, ODPAT_SET_DL_SRC,
+ nl_msg_put_unspec(ctx->odp_actions, ODP_ACTION_ATTR_SET_DL_SRC,
oada->dl_addr, ETH_ADDR_LEN);
memcpy(ctx->flow.dl_src, oada->dl_addr, ETH_ADDR_LEN);
break;
case OFPAT_SET_DL_DST:
oada = ((struct ofp_action_dl_addr *) ia);
- nl_msg_put_unspec(ctx->odp_actions, ODPAT_SET_DL_DST,
+ nl_msg_put_unspec(ctx->odp_actions, ODP_ACTION_ATTR_SET_DL_DST,
oada->dl_addr, ETH_ADDR_LEN);
memcpy(ctx->flow.dl_dst, oada->dl_addr, ETH_ADDR_LEN);
break;
case OFPAT_SET_NW_SRC:
- nl_msg_put_be32(ctx->odp_actions, ODPAT_SET_NW_SRC,
+ nl_msg_put_be32(ctx->odp_actions, ODP_ACTION_ATTR_SET_NW_SRC,
ia->nw_addr.nw_addr);
ctx->flow.nw_src = ia->nw_addr.nw_addr;
break;
case OFPAT_SET_NW_DST:
- nl_msg_put_be32(ctx->odp_actions, ODPAT_SET_NW_DST,
+ nl_msg_put_be32(ctx->odp_actions, ODP_ACTION_ATTR_SET_NW_DST,
ia->nw_addr.nw_addr);
ctx->flow.nw_dst = ia->nw_addr.nw_addr;
break;
case OFPAT_SET_NW_TOS:
- nl_msg_put_u8(ctx->odp_actions, ODPAT_SET_NW_TOS,
+ nl_msg_put_u8(ctx->odp_actions, ODP_ACTION_ATTR_SET_NW_TOS,
ia->nw_tos.nw_tos);
ctx->flow.nw_tos = ia->nw_tos.nw_tos;
break;
case OFPAT_SET_TP_SRC:
- nl_msg_put_be16(ctx->odp_actions, ODPAT_SET_TP_SRC,
+ nl_msg_put_be16(ctx->odp_actions, ODP_ACTION_ATTR_SET_TP_SRC,
ia->tp_port.tp_port);
ctx->flow.tp_src = ia->tp_port.tp_port;
break;
case OFPAT_SET_TP_DST:
- nl_msg_put_be16(ctx->odp_actions, ODPAT_SET_TP_DST,
+ nl_msg_put_be16(ctx->odp_actions, ODP_ACTION_ATTR_SET_TP_DST,
ia->tp_port.tp_port);
ctx->flow.tp_dst = ia->tp_port.tp_port;
break;
ctx->flow = *flow;
ctx->packet = packet;
ctx->resubmit_hook = NULL;
+ ctx->check_special = true;
}
static struct ofpbuf *
ctx->nf_output_iface = NF_OUT_DROP;
ctx->recurse = 0;
ctx->last_pop_priority = -1;
- do_xlate_actions(in, n_in, ctx);
+
+ if (!ctx->check_special
+ || !ctx->ofproto->ofhooks->special_cb
+ || ctx->ofproto->ofhooks->special_cb(&ctx->flow, ctx->packet,
+ ctx->ofproto->aux)) {
+ do_xlate_actions(in, n_in, ctx);
+ } else {
+ ctx->may_set_up_flow = false;
+ }
+
remove_pop_action(ctx);
/* Check with in-band control to see if we're allowed to set up this
nsm->type = htons(OFPST_VENDOR);
nsm->flags = htons(0);
nsm->vendor = htonl(NX_VENDOR_ID);
- nsm->subtype = htonl(subtype);
+ nsm->subtype = subtype;
return msg;
}
? htonl(OFPFW_ALL) : htonl(OVSFW_ALL));
ots->max_entries = htonl(1024 * 1024); /* An arbitrary big number. */
ots->active_count = htonl(classifier_count(&p->cls));
- ots->lookup_count = htonll(0); /* XXX */
- ots->matched_count = htonll(0); /* XXX */
+ put_32aligned_be64(&ots->lookup_count, htonll(0)); /* XXX */
+ put_32aligned_be64(&ots->matched_count, htonll(0)); /* XXX */
queue_tx(msg, ofconn, ofconn->reply_counter);
return 0;
ops = append_ofp_stats_reply(sizeof *ops, ofconn, msgp);
ops->port_no = htons(port->opp.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);
+ put_32aligned_be64(&ops->rx_packets, htonll(stats.rx_packets));
+ put_32aligned_be64(&ops->tx_packets, htonll(stats.tx_packets));
+ put_32aligned_be64(&ops->rx_bytes, htonll(stats.rx_bytes));
+ put_32aligned_be64(&ops->tx_bytes, htonll(stats.tx_bytes));
+ put_32aligned_be64(&ops->rx_dropped, htonll(stats.rx_dropped));
+ put_32aligned_be64(&ops->tx_dropped, htonll(stats.tx_dropped));
+ put_32aligned_be64(&ops->rx_errors, htonll(stats.rx_errors));
+ put_32aligned_be64(&ops->tx_errors, htonll(stats.tx_errors));
+ put_32aligned_be64(&ops->rx_frame_err, htonll(stats.rx_frame_errors));
+ put_32aligned_be64(&ops->rx_over_err, htonll(stats.rx_over_errors));
+ put_32aligned_be64(&ops->rx_crc_err, htonll(stats.rx_crc_errors));
+ put_32aligned_be64(&ops->collisions, htonll(stats.collisions));
}
static int
return 0;
}
-/* Obtains statistic counters for 'rule' within 'p' and stores them into
- * '*packet_countp' and '*byte_countp'. The returned statistics include
- * statistics for all of 'rule''s facets. */
-static void
-query_stats(struct ofproto *p, struct rule *rule,
- uint64_t *packet_countp, uint64_t *byte_countp)
-{
- uint64_t packet_count, byte_count;
- struct facet *facet;
- struct odp_flow *odp_flows;
- size_t n_odp_flows;
-
- /* Start from historical data for 'rule' itself that are no longer tracked
- * by the datapath. This counts, for example, facets that have expired. */
- packet_count = rule->packet_count;
- byte_count = rule->byte_count;
-
- /* Prepare to ask the datapath for statistics on all of the rule's facets.
- *
- * Also, add any statistics that are not tracked by the datapath for each
- * facet. This includes, for example, statistics for packets that were
- * executed "by hand" by ofproto via dpif_execute() but must be accounted
- * to a rule. */
- odp_flows = xzalloc(list_size(&rule->facets) * sizeof *odp_flows);
- n_odp_flows = 0;
- LIST_FOR_EACH (facet, list_node, &rule->facets) {
- struct odp_flow *odp_flow = &odp_flows[n_odp_flows++];
- odp_flow_key_from_flow(&odp_flow->key, &facet->flow);
- packet_count += facet->packet_count;
- byte_count += facet->byte_count;
- }
-
- /* Fetch up-to-date statistics from the datapath and add them in. */
- if (!dpif_flow_get_multiple(p->dpif, odp_flows, n_odp_flows)) {
- size_t i;
-
- for (i = 0; i < n_odp_flows; i++) {
- struct odp_flow *odp_flow = &odp_flows[i];
- packet_count += odp_flow->stats.n_packets;
- byte_count += odp_flow->stats.n_bytes;
- }
- }
- free(odp_flows);
-
- /* Return the stats to the caller. */
- *packet_countp = packet_count;
- *byte_countp = byte_count;
-}
-
static void
calc_flow_duration(long long int start, ovs_be32 *sec, ovs_be32 *nsec)
{
{
struct ofp_flow_stats *ofs;
uint64_t packet_count, byte_count;
+ ovs_be64 cookie;
size_t act_len, len;
if (rule_is_hidden(rule) || !rule_has_out_port(rule, out_port)) {
act_len = sizeof *rule->actions * rule->n_actions;
len = offsetof(struct ofp_flow_stats, actions) + act_len;
- query_stats(ofconn->ofproto, rule, &packet_count, &byte_count);
+ rule_get_stats(rule, &packet_count, &byte_count);
ofs = append_ofp_stats_reply(len, ofconn, replyp);
ofs->length = htons(len);
ofs->table_id = 0;
ofs->pad = 0;
- ofputil_cls_rule_to_match(&rule->cr, ofconn->flow_format, &ofs->match);
+ ofputil_cls_rule_to_match(&rule->cr, ofconn->flow_format, &ofs->match,
+ rule->flow_cookie, &cookie);
+ put_32aligned_be64(&ofs->cookie, cookie);
calc_flow_duration(rule->created, &ofs->duration_sec, &ofs->duration_nsec);
- 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);
memset(ofs->pad2, 0, sizeof ofs->pad2);
- ofs->packet_count = htonll(packet_count);
- ofs->byte_count = htonll(byte_count);
+ put_32aligned_be64(&ofs->packet_count, htonll(packet_count));
+ put_32aligned_be64(&ofs->byte_count, htonll(byte_count));
if (rule->n_actions > 0) {
memcpy(ofs->actions, rule->actions, act_len);
}
static bool
is_valid_table(uint8_t table_id)
{
- return table_id == 0 || table_id == 0xff;
+ if (table_id == 0 || table_id == 0xff) {
+ return true;
+ } else {
+ /* It would probably be better to reply with an error but there doesn't
+ * seem to be any appropriate value, so that might just be
+ * confusing. */
+ VLOG_WARN_RL(&rl, "controller asked for invalid table %"PRIu8,
+ table_id);
+ return false;
+ }
}
static int
return;
}
- query_stats(ofconn->ofproto, rule, &packet_count, &byte_count);
+ rule_get_stats(rule, &packet_count, &byte_count);
act_len = sizeof *rule->actions * rule->n_actions;
- start_len = (*replyp)->size;
append_nxstats_reply(sizeof *nfs + NXM_MAX_LEN + act_len, ofconn, replyp);
+ start_len = (*replyp)->size;
reply = *replyp;
nfs = ofpbuf_put_uninit(reply, sizeof *nfs);
}
static void
-flow_stats_ds(struct ofproto *ofproto, struct rule *rule, struct ds *results)
+flow_stats_ds(struct rule *rule, struct ds *results)
{
- struct ofp_match match;
uint64_t packet_count, byte_count;
size_t act_len = sizeof *rule->actions * rule->n_actions;
- query_stats(ofproto, rule, &packet_count, &byte_count);
- ofputil_cls_rule_to_match(&rule->cr, NXFF_OPENFLOW10, &match);
+ rule_get_stats(rule, &packet_count, &byte_count);
ds_put_format(results, "duration=%llds, ",
(time_msec() - rule->created) / 1000);
+ ds_put_format(results, "idle=%.3fs, ", (time_msec() - rule->used) / 1000.0);
ds_put_format(results, "priority=%u, ", rule->cr.priority);
ds_put_format(results, "n_packets=%"PRIu64", ", packet_count);
ds_put_format(results, "n_bytes=%"PRIu64", ", byte_count);
- ofp_print_match(results, &match, true);
+ cls_rule_format(&rule->cr, results);
+ ds_put_char(results, ',');
if (act_len > 0) {
ofp_print_actions(results, &rule->actions->header, act_len);
} else {
cls_cursor_init(&cursor, &p->cls, NULL);
CLS_CURSOR_FOR_EACH (rule, cr, &cursor) {
- flow_stats_ds(p, rule, results);
+ flow_stats_ds(rule, results);
}
}
uint64_t packet_count;
uint64_t byte_count;
- query_stats(ofproto, rule, &packet_count, &byte_count);
+ rule_get_stats(rule, &packet_count, &byte_count);
total_packets += packet_count;
total_bytes += byte_count;
}
oasr->flow_count = htonl(n_flows);
- oasr->packet_count = htonll(total_packets);
- oasr->byte_count = htonll(total_bytes);
+ put_32aligned_be64(&oasr->packet_count, htonll(total_packets));
+ put_32aligned_be64(&oasr->byte_count, htonll(total_bytes));
memset(oasr->pad, 0, sizeof oasr->pad);
}
reply->port_no = htons(cbdata->ofport->opp.port_no);
memset(reply->pad, 0, sizeof reply->pad);
reply->queue_id = htonl(queue_id);
- reply->tx_bytes = htonll(stats->tx_bytes);
- reply->tx_packets = htonll(stats->tx_packets);
- reply->tx_errors = htonll(stats->tx_errors);
+ put_32aligned_be64(&reply->tx_bytes, htonll(stats->tx_bytes));
+ put_32aligned_be64(&reply->tx_packets, htonll(stats->tx_packets));
+ put_32aligned_be64(&reply->tx_errors, htonll(stats->tx_errors));
}
static void
return 0;
}
-static long long int
-msec_from_nsec(uint64_t sec, uint32_t nsec)
-{
- return !sec ? 0 : sec * 1000 + nsec / 1000000;
-}
-
+/* Updates 'facet''s used time. Caller is responsible for calling
+ * facet_push_stats() to update the flows which 'facet' resubmits into. */
static void
facet_update_time(struct ofproto *ofproto, struct facet *facet,
- const struct odp_flow_stats *stats)
+ long long int used)
{
- long long int used = msec_from_nsec(stats->used_sec, stats->used_nsec);
if (used > facet->used) {
facet->used = used;
if (used > facet->rule->used) {
* cleared out of the datapath. */
static void
facet_update_stats(struct ofproto *ofproto, struct facet *facet,
- const struct odp_flow_stats *stats)
+ const struct dpif_flow_stats *stats)
{
- if (stats->n_packets) {
- facet_update_time(ofproto, facet, stats);
+ if (stats->n_packets || stats->used > facet->used) {
+ facet_update_time(ofproto, facet, stats->used);
facet->packet_count += stats->n_packets;
facet->byte_count += stats->n_bytes;
+ facet_push_stats(ofproto, facet);
netflow_flow_update_flags(&facet->nf_flow, stats->tcp_flags);
}
}
+static void
+facet_push_stats(struct ofproto *ofproto, struct facet *facet)
+{
+ uint64_t rs_packets, rs_bytes;
+
+ assert(facet->packet_count >= facet->rs_packet_count);
+ assert(facet->byte_count >= facet->rs_byte_count);
+ assert(facet->used >= facet->rs_used);
+
+ rs_packets = facet->packet_count - facet->rs_packet_count;
+ rs_bytes = facet->byte_count - facet->rs_byte_count;
+
+ if (rs_packets || rs_bytes || facet->used > facet->rs_used) {
+ facet->rs_packet_count = facet->packet_count;
+ facet->rs_byte_count = facet->byte_count;
+ facet->rs_used = facet->used;
+
+ flow_push_stats(ofproto, facet->rule, &facet->flow,
+ rs_packets, rs_bytes, facet->used);
+ }
+}
+
+struct ofproto_push {
+ struct action_xlate_ctx ctx;
+ uint64_t packets;
+ uint64_t bytes;
+ long long int used;
+};
+
+static void
+push_resubmit(struct action_xlate_ctx *ctx, struct rule *rule)
+{
+ struct ofproto_push *push = CONTAINER_OF(ctx, struct ofproto_push, ctx);
+
+ if (rule) {
+ rule->packet_count += push->packets;
+ rule->byte_count += push->bytes;
+ rule->used = MAX(push->used, rule->used);
+ }
+}
+
+/* Pushes flow statistics to the rules which 'flow' resubmits into given
+ * 'rule''s actions. */
+static void
+flow_push_stats(struct ofproto *ofproto, const struct rule *rule,
+ struct flow *flow, uint64_t packets, uint64_t bytes,
+ long long int used)
+{
+ struct ofproto_push push;
+
+ push.packets = packets;
+ push.bytes = bytes;
+ push.used = used;
+
+ action_xlate_ctx_init(&push.ctx, ofproto, flow, NULL);
+ push.ctx.resubmit_hook = push_resubmit;
+ ofpbuf_delete(xlate_actions(&push.ctx, rule->actions, rule->n_actions));
+}
+
/* Implements OFPFC_ADD and the cases for OFPFC_MODIFY and OFPFC_MODIFY_STRICT
* in which no matching flow already exists in the flow table.
*
}
\f
static void
-handle_odp_miss_msg(struct ofproto *p, struct ofpbuf *packet)
+handle_miss_upcall(struct ofproto *p, struct dpif_upcall *upcall)
{
- struct odp_msg *msg = packet->data;
- struct ofpbuf payload;
struct facet *facet;
struct flow flow;
- ofpbuf_use_const(&payload, msg + 1, msg->length - sizeof *msg);
- flow_extract(&payload, msg->arg, msg->port, &flow);
+ /* Obtain in_port and tun_id, at least. */
+ odp_flow_key_to_flow(upcall->key, upcall->key_len, &flow);
- packet->l2 = payload.l2;
- packet->l3 = payload.l3;
- packet->l4 = payload.l4;
- packet->l7 = payload.l7;
+ /* Set header pointers in 'flow'. */
+ flow_extract(upcall->packet, flow.tun_id, flow.in_port, &flow);
+
+ if (p->ofhooks->special_cb
+ && !p->ofhooks->special_cb(&flow, upcall->packet, p->aux)) {
+ ofpbuf_delete(upcall->packet);
+ return;
+ }
/* Check with in-band control to see if this packet should be sent
* to the local port regardless of the flow table. */
- if (in_band_msg_in_hook(p->in_band, &flow, &payload)) {
+ if (in_band_msg_in_hook(p->in_band, &flow, upcall->packet)) {
struct ofpbuf odp_actions;
ofpbuf_init(&odp_actions, 32);
- nl_msg_put_u32(&odp_actions, ODPAT_OUTPUT, ODPP_LOCAL);
- dpif_execute(p->dpif, odp_actions.data, odp_actions.size, &payload);
+ nl_msg_put_u32(&odp_actions, ODP_ACTION_ATTR_OUTPUT, ODPP_LOCAL);
+ dpif_execute(p->dpif, odp_actions.data, odp_actions.size,
+ upcall->packet);
ofpbuf_uninit(&odp_actions);
}
struct rule *rule = rule_lookup(p, &flow);
if (!rule) {
/* Don't send a packet-in if OFPPC_NO_PACKET_IN asserted. */
- struct ofport *port = get_port(p, msg->port);
+ struct ofport *port = get_port(p, flow.in_port);
if (port) {
if (port->opp.config & OFPPC_NO_PACKET_IN) {
COVERAGE_INC(ofproto_no_packet_in);
/* XXX install 'drop' flow entry */
- ofpbuf_delete(packet);
+ ofpbuf_delete(upcall->packet);
return;
}
} else {
VLOG_WARN_RL(&rl, "packet-in on unknown port %"PRIu16,
- msg->port);
+ flow.in_port);
}
COVERAGE_INC(ofproto_packet_in);
- send_packet_in(p, packet);
+ send_packet_in(p, upcall, &flow, false);
return;
}
- facet = facet_create(p, rule, &flow, packet);
+ facet = facet_create(p, rule, &flow, upcall->packet);
} else if (!facet->may_install) {
/* The facet is not installable, that is, we need to process every
* packet, so process the current packet's actions into 'facet'. */
- facet_make_actions(p, facet, packet);
+ facet_make_actions(p, facet, upcall->packet);
}
if (facet->rule->cr.priority == FAIL_OPEN_PRIORITY) {
*
* See the top-level comment in fail-open.c for more information.
*/
- send_packet_in(p, ofpbuf_clone_with_headroom(packet,
- DPIF_RECV_MSG_PADDING));
+ send_packet_in(p, upcall, &flow, true);
}
- ofpbuf_pull(packet, sizeof *msg);
- facet_execute(p, facet, packet);
+ facet_execute(p, facet, upcall->packet);
facet_install(p, facet, false);
}
static void
-handle_odp_msg(struct ofproto *p, struct ofpbuf *packet)
+handle_upcall(struct ofproto *p, struct dpif_upcall *upcall)
{
- struct odp_msg *msg = packet->data;
+ struct flow flow;
- switch (msg->type) {
- case _ODPL_ACTION_NR:
+ switch (upcall->type) {
+ case DPIF_UC_ACTION:
COVERAGE_INC(ofproto_ctlr_action);
- send_packet_in(p, packet);
+ odp_flow_key_to_flow(upcall->key, upcall->key_len, &flow);
+ send_packet_in(p, upcall, &flow, false);
break;
- case _ODPL_SFLOW_NR:
+ case DPIF_UC_SAMPLE:
if (p->sflow) {
- ofproto_sflow_received(p->sflow, msg);
+ odp_flow_key_to_flow(upcall->key, upcall->key_len, &flow);
+ ofproto_sflow_received(p->sflow, upcall, &flow);
}
- ofpbuf_delete(packet);
+ ofpbuf_delete(upcall->packet);
break;
- case _ODPL_MISS_NR:
- handle_odp_miss_msg(p, packet);
+ case DPIF_UC_MISS:
+ handle_miss_upcall(p, upcall);
break;
+ case DPIF_N_UC_TYPES:
default:
- VLOG_WARN_RL(&rl, "received ODP message of unexpected type %"PRIu32,
- msg->type);
+ VLOG_WARN_RL(&rl, "upcall has unexpected type %"PRIu32, upcall->type);
break;
}
}
/* Flow expiration. */
static int ofproto_dp_max_idle(const struct ofproto *);
-static void ofproto_update_used(struct ofproto *);
+static void ofproto_update_stats(struct ofproto *);
static void rule_expire(struct ofproto *, struct rule *);
static void ofproto_expire_facets(struct ofproto *, int dp_max_idle);
struct cls_cursor cursor;
int dp_max_idle;
- /* Update 'used' for each flow in the datapath. */
- ofproto_update_used(ofproto);
+ /* Update stats for each flow in the datapath. */
+ ofproto_update_stats(ofproto);
/* Expire facets that have been idle too long. */
dp_max_idle = ofproto_dp_max_idle(ofproto);
return MIN(dp_max_idle, 1000);
}
-/* Update 'used' member of installed facets. */
+/* Update 'packet_count', 'byte_count', and 'used' members of installed facets.
+ *
+ * This function also pushes statistics updates to rules which each facet
+ * resubmits into. Generally these statistics will be accurate. However, if a
+ * facet changes the rule it resubmits into at some time in between
+ * ofproto_update_stats() runs, it is possible that statistics accrued to the
+ * old rule will be incorrectly attributed to the new rule. This could be
+ * avoided by calling ofproto_update_stats() whenever rules are created or
+ * deleted. However, the performance impact of making so many calls to the
+ * datapath do not justify the benefit of having perfectly accurate statistics.
+ */
static void
-ofproto_update_used(struct ofproto *p)
+ofproto_update_stats(struct ofproto *p)
{
- struct odp_flow *flows;
- size_t n_flows;
- size_t i;
- int error;
+ const struct dpif_flow_stats *stats;
+ struct dpif_flow_dump dump;
+ const struct nlattr *key;
+ size_t key_len;
- error = dpif_flow_list_all(p->dpif, &flows, &n_flows);
- if (error) {
- return;
- }
-
- for (i = 0; i < n_flows; i++) {
- struct odp_flow *f = &flows[i];
+ dpif_flow_dump_start(&dump, p->dpif);
+ while (dpif_flow_dump_next(&dump, &key, &key_len, NULL, NULL, &stats)) {
struct facet *facet;
struct flow flow;
- odp_flow_key_to_flow(&f->key, &flow);
+ if (odp_flow_key_to_flow(key, key_len, &flow)) {
+ struct ds s;
+
+ ds_init(&s);
+ odp_flow_key_format(key, key_len, &s);
+ VLOG_WARN_RL(&rl, "failed to convert ODP flow key to flow: %s",
+ ds_cstr(&s));
+ ds_destroy(&s);
+
+ continue;
+ }
facet = facet_find(p, &flow);
if (facet && facet->installed) {
- facet_update_time(p, facet, &f->stats);
- facet_account(p, facet, f->stats.n_bytes);
+
+ if (stats->n_packets >= facet->dp_packet_count) {
+ facet->packet_count += stats->n_packets - facet->dp_packet_count;
+ } else {
+ VLOG_WARN_RL(&rl, "unexpected packet count from the datapath");
+ }
+
+ if (stats->n_bytes >= facet->dp_byte_count) {
+ facet->byte_count += stats->n_bytes - facet->dp_byte_count;
+ } else {
+ VLOG_WARN_RL(&rl, "unexpected byte count from datapath");
+ }
+
+ facet->dp_packet_count = stats->n_packets;
+ facet->dp_byte_count = stats->n_bytes;
+
+ facet_update_time(p, facet, stats->used);
+ facet_account(p, facet, stats->n_bytes);
+ facet_push_stats(p, facet);
} else {
/* There's a flow in the datapath that we know nothing about.
* Delete it. */
COVERAGE_INC(ofproto_unexpected_rule);
- dpif_flow_del(p->dpif, f);
+ dpif_flow_del(p->dpif, key, key_len, NULL);
}
-
}
- free(flows);
+ dpif_flow_dump_done(&dump);
}
/* Calculates and returns the number of milliseconds of idle time after which
* they receive additional data).
*
* This requires a second pass through the facets, in addition to the pass
- * made by ofproto_update_used(), because the former function never looks
+ * made by ofproto_update_stats(), because the former function never looks
* at uninstallable facets.
*/
enum { BUCKET_WIDTH = ROUND_UP(100, TIME_UPDATE_INTERVAL) };
if (ofproto->netflow && !facet_is_controller_flow(facet) &&
netflow_active_timeout_expired(ofproto->netflow, &facet->nf_flow)) {
struct ofexpired expired;
- struct odp_flow odp_flow;
- /* Get updated flow stats.
- *
- * XXX We could avoid this call entirely if (1) ofproto_update_used()
- * updated TCP flags and (2) the dpif_flow_list_all() in
- * ofproto_update_used() zeroed TCP flags. */
- memset(&odp_flow, 0, sizeof odp_flow);
if (facet->installed) {
- odp_flow_key_from_flow(&odp_flow.key, &facet->flow);
- odp_flow.flags = ODPFF_ZERO_TCP_FLAGS;
- dpif_flow_get(ofproto->dpif, &odp_flow);
-
- if (odp_flow.stats.n_packets) {
- facet_update_time(ofproto, facet, &odp_flow.stats);
- netflow_flow_update_flags(&facet->nf_flow,
- odp_flow.stats.tcp_flags);
- }
+ struct dpif_flow_stats stats;
+
+ facet_put__(ofproto, facet, facet->actions, facet->actions_len,
+ &stats);
+ facet_update_stats(ofproto, facet, &stats);
}
expired.flow = facet->flow;
- expired.packet_count = facet->packet_count +
- odp_flow.stats.n_packets;
- expired.byte_count = facet->byte_count + odp_flow.stats.n_bytes;
+ expired.packet_count = facet->packet_count;
+ expired.byte_count = facet->byte_count;
expired.used = facet->used;
-
netflow_expire(ofproto->netflow, &facet->nf_flow, &expired);
}
}
struct ofp_flow_removed *ofr;
struct ofpbuf *buf;
- ofr = make_openflow(sizeof *ofr, OFPT_FLOW_REMOVED, &buf);
- ofputil_cls_rule_to_match(&rule->cr, ofconn->flow_format, &ofr->match);
- ofr->cookie = rule->flow_cookie;
+ ofr = make_openflow_xid(sizeof *ofr, OFPT_FLOW_REMOVED, htonl(0), &buf);
+ ofputil_cls_rule_to_match(&rule->cr, ofconn->flow_format, &ofr->match,
+ rule->flow_cookie, &ofr->cookie);
ofr->priority = htons(rule->cr.priority);
ofr->reason = reason;
calc_flow_duration(rule->created, &ofr->duration_sec, &ofr->duration_nsec);
struct ofpbuf *buf;
int match_len;
- nfr = make_nxmsg(sizeof *nfr, NXT_FLOW_REMOVED, &buf);
-
+ make_nxmsg_xid(sizeof *nfr, NXT_FLOW_REMOVED, htonl(0), &buf);
match_len = nx_put_match(buf, &rule->cr);
+ nfr = buf->data;
nfr->cookie = rule->flow_cookie;
nfr->priority = htons(rule->cr.priority);
nfr->reason = reason;
}
}
-/* pinsched callback for sending 'packet' on 'ofconn'. */
+/* Obtains statistics for 'rule' and stores them in '*packets' and '*bytes'.
+ * The returned statistics include statistics for all of 'rule''s facets. */
static void
-do_send_packet_in(struct ofpbuf *packet, void *ofconn_)
+rule_get_stats(const struct rule *rule, uint64_t *packets, uint64_t *bytes)
+{
+ uint64_t p, b;
+ struct facet *facet;
+
+ /* Start from historical data for 'rule' itself that are no longer tracked
+ * in facets. This counts, for example, facets that have expired. */
+ p = rule->packet_count;
+ b = rule->byte_count;
+
+ /* Add any statistics that are tracked by facets. This includes
+ * statistical data recently updated by ofproto_update_stats() as well as
+ * stats for packets that were executed "by hand" via dpif_execute(). */
+ LIST_FOR_EACH (facet, list_node, &rule->facets) {
+ p += facet->packet_count;
+ b += facet->byte_count;
+ }
+
+ *packets = p;
+ *bytes = b;
+}
+
+/* pinsched callback for sending 'ofp_packet_in' on 'ofconn'. */
+static void
+do_send_packet_in(struct ofpbuf *ofp_packet_in, void *ofconn_)
{
struct ofconn *ofconn = ofconn_;
- rconn_send_with_limit(ofconn->rconn, packet,
+ rconn_send_with_limit(ofconn->rconn, ofp_packet_in,
ofconn->packet_in_counter, 100);
}
-/* Takes 'packet', which has been converted with do_convert_to_packet_in(), and
- * finalizes its content for sending on 'ofconn', and passes it to 'ofconn''s
- * packet scheduler for sending.
+/* Takes 'upcall', whose packet has the flow specified by 'flow', composes an
+ * OpenFlow packet-in message from it, and passes it to 'ofconn''s packet
+ * scheduler for sending.
*
- * 'max_len' specifies the maximum number of bytes of the packet to send on
- * 'ofconn' (INT_MAX specifies no limit).
- *
- * If 'clone' is true, the caller retains ownership of 'packet'. Otherwise,
- * ownership is transferred to this function. */
+ * If 'clone' is true, the caller retains ownership of 'upcall->packet'.
+ * Otherwise, ownership is transferred to this function. */
static void
-schedule_packet_in(struct ofconn *ofconn, struct ofpbuf *packet, int max_len,
- bool clone)
+schedule_packet_in(struct ofconn *ofconn, struct dpif_upcall *upcall,
+ const struct flow *flow, bool clone)
{
+ enum { OPI_SIZE = offsetof(struct ofp_packet_in, data) };
struct ofproto *ofproto = ofconn->ofproto;
- struct ofp_packet_in *opi = packet->data;
- uint16_t in_port = ofp_port_to_odp_port(ntohs(opi->in_port));
- int send_len, trim_size;
+ struct ofp_packet_in *opi;
+ int total_len, send_len;
+ struct ofpbuf *packet;
uint32_t buffer_id;
+ int idx;
- /* Get buffer. */
- if (opi->reason == OFPR_ACTION) {
+ /* Get OpenFlow buffer_id. */
+ if (upcall->type == DPIF_UC_ACTION) {
buffer_id = UINT32_MAX;
} else if (ofproto->fail_open && fail_open_is_active(ofproto->fail_open)) {
buffer_id = pktbuf_get_null();
} else if (!ofconn->pktbuf) {
buffer_id = UINT32_MAX;
} else {
- struct ofpbuf payload;
-
- ofpbuf_use_const(&payload, opi->data,
- packet->size - offsetof(struct ofp_packet_in, data));
- buffer_id = pktbuf_save(ofconn->pktbuf, &payload, in_port);
+ buffer_id = pktbuf_save(ofconn->pktbuf, upcall->packet, flow->in_port);
}
/* Figure out how much of the packet to send. */
- send_len = ntohs(opi->total_len);
+ total_len = send_len = upcall->packet->size;
if (buffer_id != UINT32_MAX) {
send_len = MIN(send_len, ofconn->miss_send_len);
}
- send_len = MIN(send_len, max_len);
+ if (upcall->type == DPIF_UC_ACTION) {
+ send_len = MIN(send_len, upcall->userdata);
+ }
- /* Adjust packet length and clone if necessary. */
- trim_size = offsetof(struct ofp_packet_in, data) + send_len;
+ /* Copy or steal buffer for OFPT_PACKET_IN. */
if (clone) {
- packet = ofpbuf_clone_data(packet->data, trim_size);
- opi = packet->data;
+ packet = ofpbuf_clone_data_with_headroom(upcall->packet->data,
+ send_len, OPI_SIZE);
} else {
- packet->size = trim_size;
+ packet = upcall->packet;
+ packet->size = send_len;
}
- /* Update packet headers. */
+ /* Add OFPT_PACKET_IN. */
+ opi = ofpbuf_push_zeros(packet, OPI_SIZE);
+ opi->header.version = OFP_VERSION;
+ opi->header.type = OFPT_PACKET_IN;
+ opi->total_len = htons(total_len);
+ opi->in_port = htons(odp_port_to_ofp_port(flow->in_port));
+ opi->reason = upcall->type == DPIF_UC_MISS ? OFPR_NO_MATCH : OFPR_ACTION;
opi->buffer_id = htonl(buffer_id);
update_openflow_length(packet);
/* Hand over to packet scheduler. It might immediately call into
* do_send_packet_in() or it might buffer it for a while (until a later
* call to pinsched_run()). */
- pinsched_send(ofconn->schedulers[opi->reason], in_port,
+ idx = upcall->type == DPIF_UC_MISS ? 0 : 1;
+ pinsched_send(ofconn->schedulers[idx], flow->in_port,
packet, do_send_packet_in, ofconn);
}
-/* Replace struct odp_msg header in 'packet' by equivalent struct
- * ofp_packet_in. The odp_msg must have sufficient headroom to do so (e.g. as
- * returned by dpif_recv()).
- *
- * The conversion is not complete: the caller still needs to trim any unneeded
- * payload off the end of the buffer, set the length in the OpenFlow header,
- * and set buffer_id. Those require us to know the controller settings and so
- * must be done on a per-controller basis.
- *
- * Returns the maximum number of bytes of the packet that should be sent to
- * the controller (INT_MAX if no limit). */
-static int
-do_convert_to_packet_in(struct ofpbuf *packet)
-{
- struct odp_msg *msg = packet->data;
- struct ofp_packet_in *opi;
- uint8_t reason;
- uint16_t total_len;
- uint16_t in_port;
- int max_len;
-
- /* Extract relevant header fields */
- if (msg->type == _ODPL_ACTION_NR) {
- reason = OFPR_ACTION;
- max_len = msg->arg;
- } else {
- reason = OFPR_NO_MATCH;
- max_len = INT_MAX;
- }
- total_len = msg->length - sizeof *msg;
- in_port = odp_port_to_ofp_port(msg->port);
-
- /* Repurpose packet buffer by overwriting header. */
- ofpbuf_pull(packet, sizeof(struct odp_msg));
- opi = ofpbuf_push_zeros(packet, offsetof(struct ofp_packet_in, data));
- opi->header.version = OFP_VERSION;
- opi->header.type = OFPT_PACKET_IN;
- opi->total_len = htons(total_len);
- opi->in_port = htons(in_port);
- opi->reason = reason;
-
- return max_len;
-}
-
-/* Given 'packet' containing an odp_msg of type _ODPL_ACTION_NR or
- * _ODPL_MISS_NR, sends an OFPT_PACKET_IN message to each OpenFlow controller
- * as necessary according to their individual configurations.
- *
- * 'packet' must have sufficient headroom to convert it into a struct
- * ofp_packet_in (e.g. as returned by dpif_recv()).
+/* Given 'upcall', of type DPIF_UC_ACTION or DPIF_UC_MISS, sends an
+ * OFPT_PACKET_IN message to each OpenFlow controller as necessary according to
+ * their individual configurations.
*
* Takes ownership of 'packet'. */
static void
-send_packet_in(struct ofproto *ofproto, struct ofpbuf *packet)
+send_packet_in(struct ofproto *ofproto, struct dpif_upcall *upcall,
+ const struct flow *flow, bool clone)
{
struct ofconn *ofconn, *prev;
- int max_len;
-
- max_len = do_convert_to_packet_in(packet);
prev = NULL;
LIST_FOR_EACH (ofconn, node, &ofproto->all_conns) {
if (ofconn_receives_async_msgs(ofconn)) {
if (prev) {
- schedule_packet_in(prev, packet, max_len, true);
+ schedule_packet_in(prev, upcall, flow, true);
}
prev = ofconn;
}
}
if (prev) {
- schedule_packet_in(prev, packet, max_len, false);
- } else {
- ofpbuf_delete(packet);
+ schedule_packet_in(prev, upcall, flow, clone);
+ } else if (!clone) {
+ ofpbuf_delete(upcall->packet);
}
}
}
static void
-trace_resubmit(struct action_xlate_ctx *ctx, const struct rule *rule)
+trace_resubmit(struct action_xlate_ctx *ctx, struct rule *rule)
{
struct ofproto_trace *trace = CONTAINER_OF(ctx, struct ofproto_trace, ctx);
struct ds *result = trace->result;
struct ds result;
struct flow flow;
uint16_t in_port;
- ovs_be32 tun_id;
+ ovs_be64 tun_id;
char *s;
ofpbuf_init(&packet, strlen(args) / 2);
goto exit;
}
- tun_id = ntohl(strtoul(tun_id_s, NULL, 10));
+ tun_id = htonll(strtoull(tun_id_s, NULL, 10));
in_port = ofp_port_to_odp_port(atoi(in_port_s));
packet_s = ofpbuf_put_hex(&packet, packet_s, NULL);
flood_packets(ofproto, flow->in_port, OFPPC_NO_FLOOD,
nf_output_iface, odp_actions);
} else if (out_port != flow->in_port) {
- nl_msg_put_u32(odp_actions, ODPAT_OUTPUT, out_port);
+ nl_msg_put_u32(odp_actions, ODP_ACTION_ATTR_OUTPUT, out_port);
*nf_output_iface = out_port;
} else {
/* Drop. */
static const struct ofhooks default_ofhooks = {
default_normal_ofhook_cb,
NULL,
+ NULL,
NULL
};