/*
- * Copyright (c) 2009, 2010, 2011 Nicira Networks.
+ * Copyright (c) 2009, 2010, 2011, 2012 Nicira Networks.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
uint64_t packets, uint64_t bytes,
long long int used);
-static uint32_t rule_calculate_tag(const struct flow *,
+static tag_type rule_calculate_tag(const struct flow *,
const struct flow_wildcards *,
uint32_t basis);
static void rule_invalidate(const struct rule_dpif *);
struct ofbundle *out; /* Output port or NULL. */
int out_vlan; /* Output VLAN or -1. */
mirror_mask_t dup_mirrors; /* Bitmap of mirrors with the same output. */
+
+ /* Counters. */
+ int64_t packet_count; /* Number of packets sent. */
+ int64_t byte_count; /* Number of bytes sent. */
};
static void mirror_destroy(struct ofmirror *);
+static void update_mirror_stats(struct ofproto_dpif *ofproto,
+ mirror_mask_t mirrors,
+ uint64_t packets, uint64_t bytes);
-/* A group of one or more OpenFlow ports. */
-#define OFBUNDLE_FLOOD ((struct ofbundle *) 1)
struct ofbundle {
struct ofproto_dpif *ofproto; /* Owning ofproto. */
struct hmap_node hmap_node; /* In struct ofproto's "bundles" hmap. */
static void bundle_del_port(struct ofport_dpif *);
static void bundle_run(struct ofbundle *);
static void bundle_wait(struct ofbundle *);
+static struct ofbundle *lookup_input_bundle(struct ofproto_dpif *,
+ uint16_t in_port, bool warn);
+
+/* A controller may use OFPP_NONE as the ingress port to indicate that
+ * it did not arrive on a "real" port. 'ofpp_none_bundle' exists for
+ * when an input bundle is needed for validation (e.g., mirroring or
+ * OFPP_NORMAL processing). It is not connected to an 'ofproto' or have
+ * any 'port' structs, so care must be taken when dealing with it. */
+static struct ofbundle ofpp_none_bundle = {
+ .name = "OFPP_NONE",
+ .vlan_mode = PORT_VLAN_TRUNK
+};
static void stp_run(struct ofproto_dpif *ofproto);
static void stp_wait(struct ofproto_dpif *ofproto);
+static int set_stp_port(struct ofport *,
+ const struct ofproto_port_stp_settings *);
static bool ofbundle_includes_vlan(const struct ofbundle *, uint16_t vlan);
* revalidating without a packet to refer to. */
const struct ofpbuf *packet;
- /* Should OFPP_NORMAL MAC learning and NXAST_LEARN actions execute? We
- * want to execute them if we are actually processing a packet, or if we
- * are accounting for packets that the datapath has processed, but not if
- * we are just revalidating. */
- bool may_learn;
+ /* Should OFPP_NORMAL update the MAC learning table? We want to update it
+ * if we are actually processing a packet, or if we are accounting for
+ * packets that the datapath has processed, but not if we are just
+ * revalidating. */
+ bool may_learn_macs;
+
+ /* Should "learn" actions update the flow table? We want to update it if
+ * we are actually processing a packet, or in most cases if we are
+ * accounting for packets that the datapath has processed, but not if we
+ * are just revalidating. */
+ bool may_flow_mod;
+
+ /* Cookie of the currently matching rule, or 0. */
+ ovs_be64 cookie;
/* If nonnull, called just before executing a resubmit action.
*
bool has_learn; /* Actions include NXAST_LEARN? */
bool has_normal; /* Actions output to OFPP_NORMAL? */
uint16_t nf_output_iface; /* Output interface index for NetFlow. */
+ mirror_mask_t mirrors; /* Bitmap of associated mirrors. */
/* xlate_actions() initializes and uses these members, but the client has no
* reason to look at them. */
int recurse; /* Recursion level, via xlate_table_action. */
struct flow base_flow; /* Flow at the last commit. */
- uint32_t original_priority; /* Priority when packet arrived. */
+ uint32_t orig_skb_priority; /* Priority when packet arrived. */
uint8_t table_id; /* OpenFlow table ID where flow was found. */
uint32_t sflow_n_outputs; /* Number of output ports. */
uint16_t sflow_odp_port; /* Output port for composing sFlow action. */
static void action_xlate_ctx_init(struct action_xlate_ctx *,
struct ofproto_dpif *, const struct flow *,
+ ovs_be16 initial_tci, ovs_be64 cookie,
const struct ofpbuf *);
static struct ofpbuf *xlate_actions(struct action_xlate_ctx *,
const union ofp_action *in, size_t n_in);
/* An exact-match instantiation of an OpenFlow flow.
*
* A facet associates a "struct flow", which represents the Open vSwitch
- * userspace idea of an exact-match flow, with a set of datapath actions.
- *
- * A facet contains one or more subfacets. Each subfacet tracks the datapath's
- * idea of the exact-match flow equivalent to the facet. When the kernel
- * module (or other dpif implementation) and Open vSwitch userspace agree on
- * the definition of a flow key, there is exactly one subfacet per facet. If
- * the dpif implementation supports more-specific flow matching than userspace,
- * however, a facet can have more than one subfacet, each of which corresponds
- * to some distinction in flow that userspace simply doesn't understand.
+ * userspace idea of an exact-match flow, with one or more subfacets. Each
+ * subfacet tracks the datapath's idea of the exact-match flow equivalent to
+ * the facet. When the kernel module (or other dpif implementation) and Open
+ * vSwitch userspace agree on the definition of a flow key, there is exactly
+ * one subfacet per facet. If the dpif implementation supports more-specific
+ * flow matching than userspace, however, a facet can have more than one
+ * subfacet, each of which corresponds to some distinction in flow that
+ * userspace simply doesn't understand.
*
* Flow expiration works in terms of subfacets, so a facet must have at least
* one subfacet or it will never expire, leaking memory. */
uint64_t byte_count; /* Number of bytes received. */
/* Resubmit statistics. */
- 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. */
+ uint64_t prev_packet_count; /* Number of packets from last stats push. */
+ uint64_t prev_byte_count; /* Number of bytes from last stats push. */
+ long long int prev_used; /* Used time from last stats push. */
/* Accounting. */
uint64_t accounted_bytes; /* Bytes processed by facet_account(). */
struct netflow_flow nf_flow; /* Per-flow NetFlow tracking data. */
- /* Datapath actions. */
+ /* Properties of datapath actions.
+ *
+ * Every subfacet has its own actions because actions can differ slightly
+ * between splintered and non-splintered subfacets due to the VLAN tag
+ * being initially different (present vs. absent). All of them have these
+ * properties in common so we just store one copy of them here. */
bool may_install; /* Reassess actions for every packet? */
bool has_learn; /* Actions include NXAST_LEARN? */
bool has_normal; /* Actions output to OFPP_NORMAL? */
- size_t actions_len; /* Number of bytes in actions[]. */
- struct nlattr *actions; /* Datapath actions. */
tag_type tags; /* Tags that would require revalidation. */
+ mirror_mask_t mirrors; /* Bitmap of dependent mirrors. */
};
static struct facet *facet_create(struct rule_dpif *, const struct flow *);
const struct flow *);
static bool facet_revalidate(struct ofproto_dpif *, struct facet *);
-static bool execute_controller_action(struct ofproto_dpif *,
- const struct flow *,
- const struct nlattr *odp_actions,
- size_t actions_len,
- struct ofpbuf *packet);
-
static void facet_flush_stats(struct ofproto_dpif *, struct facet *);
-static void facet_make_actions(struct ofproto_dpif *, struct facet *,
- const struct ofpbuf *packet);
static void facet_update_time(struct ofproto_dpif *, struct facet *,
long long int used);
static void facet_reset_counters(struct facet *);
static void facet_push_stats(struct facet *);
-static void facet_account(struct ofproto_dpif *, struct facet *);
+static void facet_account(struct ofproto_dpif *, struct facet *,
+ bool may_flow_mod);
static bool facet_is_controller_flow(struct facet *);
-/* A dpif flow associated with a facet.
+/* A dpif flow and actions associated with a facet.
*
* See also the large comment on struct facet. */
struct subfacet {
uint64_t dp_packet_count; /* Last known packet count in the datapath. */
uint64_t dp_byte_count; /* Last known byte count in the datapath. */
+ /* Datapath actions.
+ *
+ * These should be essentially identical for every subfacet in a facet, but
+ * may differ in trivial ways due to VLAN splinters. */
+ size_t actions_len; /* Number of bytes in actions[]. */
+ struct nlattr *actions; /* Datapath actions. */
+
bool installed; /* Installed in datapath? */
+
+ /* This value is normally the same as ->facet->flow.vlan_tci. Only VLAN
+ * splinters can cause it to differ. This value should be removed when
+ * the VLAN splinters feature is no longer needed. */
+ ovs_be16 initial_tci; /* Initial VLAN TCI value. */
};
static struct subfacet *subfacet_create(struct ofproto_dpif *, struct facet *,
enum odp_key_fitness,
const struct nlattr *key,
- size_t key_len);
+ size_t key_len, ovs_be16 initial_tci);
static struct subfacet *subfacet_find(struct ofproto_dpif *,
- const struct nlattr *key, size_t key_len,
- const struct flow *);
+ const struct nlattr *key, size_t key_len);
static void subfacet_destroy(struct ofproto_dpif *, struct subfacet *);
static void subfacet_destroy__(struct ofproto_dpif *, struct subfacet *);
static void subfacet_reset_dp_stats(struct subfacet *,
long long int used);
static void subfacet_update_stats(struct ofproto_dpif *, struct subfacet *,
const struct dpif_flow_stats *);
+static void subfacet_make_actions(struct ofproto_dpif *, struct subfacet *,
+ const struct ofpbuf *packet);
static int subfacet_install(struct ofproto_dpif *, struct subfacet *,
const struct nlattr *actions, size_t actions_len,
struct dpif_flow_stats *);
uint32_t bond_stable_id; /* stable_id to use as bond slave, or 0. */
bool may_enable; /* May be enabled in bonds. */
+ /* Spanning tree. */
struct stp_port *stp_port; /* Spanning Tree Protocol, if any. */
enum stp_state stp_state; /* Always STP_DISABLED if STP not in use. */
long long int stp_state_entered;
struct hmap priorities; /* Map of attached 'priority_to_dscp's. */
+
+ /* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
+ *
+ * This is deprecated. It is only for compatibility with broken device
+ * drivers in old versions of Linux that do not properly support VLANs when
+ * VLAN devices are not used. When broken device drivers are no longer in
+ * widespread use, we will delete these interfaces. */
+ uint16_t realdev_ofp_port;
+ int vlandev_vid;
};
/* Node in 'ofport_dpif''s 'priorities' map. Used to maintain a map from
uint8_t dscp; /* DSCP bits to mark outgoing traffic with. */
};
+/* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
+ *
+ * This is deprecated. It is only for compatibility with broken device drivers
+ * in old versions of Linux that do not properly support VLANs when VLAN
+ * devices are not used. When broken device drivers are no longer in
+ * widespread use, we will delete these interfaces. */
+struct vlan_splinter {
+ struct hmap_node realdev_vid_node;
+ struct hmap_node vlandev_node;
+ uint16_t realdev_ofp_port;
+ uint16_t vlandev_ofp_port;
+ int vid;
+};
+
+static uint32_t vsp_realdev_to_vlandev(const struct ofproto_dpif *,
+ uint32_t realdev, ovs_be16 vlan_tci);
+static uint16_t vsp_vlandev_to_realdev(const struct ofproto_dpif *,
+ uint16_t vlandev, int *vid);
+static void vsp_remove(struct ofport_dpif *);
+static void vsp_add(struct ofport_dpif *, uint16_t realdev_ofp_port, int vid);
+
static struct ofport_dpif *
ofport_dpif_cast(const struct ofport *ofport)
{
};
struct ofproto_dpif {
+ struct hmap_node all_ofproto_dpifs_node; /* In 'all_ofproto_dpifs'. */
struct ofproto up;
struct dpif *dpif;
int max_ports;
struct list completions;
bool has_bundle_action; /* True when the first bundle action appears. */
+ struct netdev_stats stats; /* To account packets generated and consumed in
+ * userspace. */
/* Spanning tree. */
struct stp *stp;
long long int stp_last_tick;
+
+ /* VLAN splinters. */
+ struct hmap realdev_vid_map; /* (realdev,vid) -> vlandev. */
+ struct hmap vlandev_map; /* vlandev -> (realdev,vid). */
};
/* Defer flow mod completion until "ovs-appctl ofproto/unclog"? (Useful only
* for debugging the asynchronous flow_mod implementation.) */
static bool clogged;
+/* All existing ofproto_dpif instances, indexed by ->up.name. */
+static struct hmap all_ofproto_dpifs = HMAP_INITIALIZER(&all_ofproto_dpifs);
+
static void ofproto_dpif_unixctl_init(void);
static struct ofproto_dpif *
struct ofbundle *);
/* Upcalls. */
#define FLOW_MISS_MAX_BATCH 50
-
-static void handle_upcall(struct ofproto_dpif *, struct dpif_upcall *);
-static void handle_miss_upcalls(struct ofproto_dpif *,
- struct dpif_upcall *, size_t n);
+static int handle_upcalls(struct ofproto_dpif *, unsigned int max_batch);
/* Flow expiration. */
static int expire(struct ofproto_dpif *);
static void send_netflow_active_timeouts(struct ofproto_dpif *);
/* Utilities. */
-static int send_packet(const struct ofport_dpif *,
- const struct ofpbuf *packet);
+static int send_packet(const struct ofport_dpif *, struct ofpbuf *packet);
static size_t
compose_sflow_action(const struct ofproto_dpif *, struct ofpbuf *odp_actions,
const struct flow *, uint32_t odp_port);
+static void add_mirror_actions(struct action_xlate_ctx *ctx,
+ const struct flow *flow);
/* Global variables. */
static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
\f
ofproto->sflow = NULL;
ofproto->stp = NULL;
hmap_init(&ofproto->bundles);
- ofproto->ml = mac_learning_create();
+ ofproto->ml = mac_learning_create(MAC_ENTRY_DEFAULT_IDLE_TIME);
for (i = 0; i < MAX_MIRRORS; i++) {
ofproto->mirrors[i] = NULL;
}
ofproto->has_bundle_action = false;
+ hmap_init(&ofproto->vlandev_map);
+ hmap_init(&ofproto->realdev_vid_map);
+
+ hmap_insert(&all_ofproto_dpifs, &ofproto->all_ofproto_dpifs_node,
+ hash_string(ofproto->up.name, 0));
+
*n_tablesp = N_TABLES;
+ memset(&ofproto->stats, 0, sizeof ofproto->stats);
return 0;
}
struct classifier *table;
int i;
+ hmap_remove(&all_ofproto_dpifs, &ofproto->all_ofproto_dpifs_node);
complete_operations(ofproto);
OFPROTO_FOR_EACH_TABLE (table, &ofproto->up) {
hmap_destroy(&ofproto->facets);
hmap_destroy(&ofproto->subfacets);
+ hmap_destroy(&ofproto->vlandev_map);
+ hmap_destroy(&ofproto->realdev_vid_map);
+
dpif_close(ofproto->dpif);
}
+static int
+run_fast(struct ofproto *ofproto_)
+{
+ struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
+ unsigned int work;
+
+ /* Handle one or more batches of upcalls, until there's nothing left to do
+ * or until we do a fixed total amount of work.
+ *
+ * We do work in batches because it can be much cheaper to set up a number
+ * of flows and fire off their patches all at once. We do multiple batches
+ * because in some cases handling a packet can cause another packet to be
+ * queued almost immediately as part of the return flow. Both
+ * optimizations can make major improvements on some benchmarks and
+ * presumably for real traffic as well. */
+ work = 0;
+ while (work < FLOW_MISS_MAX_BATCH) {
+ int retval = handle_upcalls(ofproto, FLOW_MISS_MAX_BATCH - work);
+ if (retval <= 0) {
+ return -retval;
+ }
+ work += retval;
+ }
+ return 0;
+}
+
static int
run(struct ofproto *ofproto_)
{
struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
- struct dpif_upcall misses[FLOW_MISS_MAX_BATCH];
struct ofport_dpif *ofport;
struct ofbundle *bundle;
- size_t n_misses;
- int i;
+ int error;
if (!clogged) {
complete_operations(ofproto);
}
dpif_run(ofproto->dpif);
- n_misses = 0;
- for (i = 0; i < FLOW_MISS_MAX_BATCH; i++) {
- struct dpif_upcall *upcall = &misses[n_misses];
- int error;
-
- error = dpif_recv(ofproto->dpif, upcall);
- if (error) {
- if (error == ENODEV && n_misses == 0) {
- return error;
- }
- break;
- }
-
- if (upcall->type == DPIF_UC_MISS) {
- /* Handle it later. */
- n_misses++;
- } else {
- handle_upcall(ofproto, upcall);
- }
+ error = run_fast(ofproto_);
+ if (error) {
+ return error;
}
- handle_miss_upcalls(ofproto, misses, n_misses);
-
if (timer_expired(&ofproto->next_expiration)) {
int delay = expire(ofproto);
timer_set_duration(&ofproto->next_expiration, delay);
port->stp_port = NULL;
port->stp_state = STP_DISABLED;
hmap_init(&port->priorities);
+ port->realdev_ofp_port = 0;
+ port->vlandev_vid = 0;
if (ofproto->sflow) {
- dpif_sflow_add_port(ofproto->sflow, port->odp_port,
- netdev_get_name(port->up.netdev));
+ dpif_sflow_add_port(ofproto->sflow, port_);
}
return 0;
ds = ofproto->sflow = dpif_sflow_create(ofproto->dpif);
HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) {
- dpif_sflow_add_port(ds, ofport->odp_port,
- netdev_get_name(ofport->up.netdev));
+ dpif_sflow_add_port(ds, &ofport->up);
}
ofproto->need_revalidate = true;
}
stp_set_max_age(ofproto->stp, s->max_age);
stp_set_forward_delay(ofproto->stp, s->fwd_delay);
} else {
+ struct ofport *ofport;
+
+ HMAP_FOR_EACH (ofport, hmap_node, &ofproto->up.ports) {
+ set_stp_port(ofport, NULL);
+ }
+
stp_destroy(ofproto->stp);
ofproto->stp = NULL;
}
\f
/* Bundles. */
-/* Expires all MAC learning entries associated with 'port' and forces ofproto
- * to revalidate every flow. */
+/* Expires all MAC learning entries associated with 'bundle' and forces its
+ * ofproto to revalidate every flow.
+ *
+ * Normally MAC learning entries are removed only from the ofproto associated
+ * with 'bundle', but if 'all_ofprotos' is true, then the MAC learning entries
+ * are removed from every ofproto. When patch ports and SLB bonds are in use
+ * and a VM migration happens and the gratuitous ARPs are somehow lost, this
+ * avoids a MAC_ENTRY_IDLE_TIME delay before the migrated VM can communicate
+ * with the host from which it migrated. */
static void
-bundle_flush_macs(struct ofbundle *bundle)
+bundle_flush_macs(struct ofbundle *bundle, bool all_ofprotos)
{
struct ofproto_dpif *ofproto = bundle->ofproto;
struct mac_learning *ml = ofproto->ml;
ofproto->need_revalidate = true;
LIST_FOR_EACH_SAFE (mac, next_mac, lru_node, &ml->lrus) {
if (mac->port.p == bundle) {
+ if (all_ofprotos) {
+ struct ofproto_dpif *o;
+
+ HMAP_FOR_EACH (o, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
+ if (o != ofproto) {
+ struct mac_entry *e;
+
+ e = mac_learning_lookup(o->ml, mac->mac, mac->vlan,
+ NULL);
+ if (e) {
+ tag_set_add(&o->revalidate_set, e->tag);
+ mac_learning_expire(o->ml, e);
+ }
+ }
+ }
+ }
+
mac_learning_expire(ml, mac);
}
}
bundle_del_port(port);
}
- bundle_flush_macs(bundle);
+ bundle_flush_macs(bundle, true);
hmap_remove(&ofproto->bundles, &bundle->hmap_node);
free(bundle->name);
free(bundle->trunks);
/* If we changed something that would affect MAC learning, un-learn
* everything on this port and force flow revalidation. */
if (need_flush) {
- bundle_flush_macs(bundle);
+ bundle_flush_macs(bundle, false);
}
return 0;
if (e->port.p != bundle) {
struct ofpbuf *learning_packet;
struct ofport_dpif *port;
+ void *port_void;
int ret;
- learning_packet = bond_compose_learning_packet(bundle->bond, e->mac,
- e->vlan,
- (void **)&port);
+ /* The assignment to "port" is unnecessary but makes "grep"ing for
+ * struct ofport_dpif more effective. */
+ learning_packet = bond_compose_learning_packet(bundle->bond,
+ e->mac, e->vlan,
+ &port_void);
+ port = port_void;
ret = send_packet(port, learning_packet);
ofpbuf_delete(learning_packet);
if (ret) {
mirror_update_dups(ofproto);
}
+static int
+mirror_get_stats(struct ofproto *ofproto_, void *aux,
+ uint64_t *packets, uint64_t *bytes)
+{
+ struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
+ struct ofmirror *mirror = mirror_lookup(ofproto, aux);
+
+ if (!mirror) {
+ *packets = *bytes = UINT64_MAX;
+ return 0;
+ }
+
+ *packets = mirror->packet_count;
+ *bytes = mirror->byte_count;
+
+ return 0;
+}
+
static int
set_flood_vlans(struct ofproto *ofproto_, unsigned long *flood_vlans)
{
/* Revalidate cached flows whenever forward_bpdu option changes. */
ofproto->need_revalidate = true;
}
+
+static void
+set_mac_idle_time(struct ofproto *ofproto_, unsigned int idle_time)
+{
+ struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
+ mac_learning_set_idle_time(ofproto->ml, idle_time);
+}
\f
/* Ports. */
return error;
}
+static int
+port_get_stats(const struct ofport *ofport_, struct netdev_stats *stats)
+{
+ struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
+ int error;
+
+ error = netdev_get_stats(ofport->up.netdev, stats);
+
+ if (!error && ofport->odp_port == OVSP_LOCAL) {
+ struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
+
+ /* ofproto->stats.tx_packets represents packets that we created
+ * internally and sent to some port (e.g. packets sent with
+ * send_packet()). Account for them as if they had come from
+ * OFPP_LOCAL and got forwarded. */
+
+ if (stats->rx_packets != UINT64_MAX) {
+ stats->rx_packets += ofproto->stats.tx_packets;
+ }
+
+ if (stats->rx_bytes != UINT64_MAX) {
+ stats->rx_bytes += ofproto->stats.tx_bytes;
+ }
+
+ /* ofproto->stats.rx_packets represents packets that were received on
+ * some port and we processed internally and dropped (e.g. STP).
+ * Account fro them as if they had been forwarded to OFPP_LOCAL. */
+
+ if (stats->tx_packets != UINT64_MAX) {
+ stats->tx_packets += ofproto->stats.rx_packets;
+ }
+
+ if (stats->tx_bytes != UINT64_MAX) {
+ stats->tx_bytes += ofproto->stats.rx_bytes;
+ }
+ }
+
+ return error;
+}
+
+/* Account packets for LOCAL port. */
+static void
+ofproto_update_local_port_stats(const struct ofproto *ofproto_,
+ size_t tx_size, size_t rx_size)
+{
+ struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
+
+ if (rx_size) {
+ ofproto->stats.rx_packets++;
+ ofproto->stats.rx_bytes += rx_size;
+ }
+ if (tx_size) {
+ ofproto->stats.tx_packets++;
+ ofproto->stats.tx_bytes += tx_size;
+ }
+}
+
struct port_dump_state {
struct dpif_port_dump dump;
bool done;
enum odp_key_fitness key_fitness;
const struct nlattr *key;
size_t key_len;
+ ovs_be16 initial_tci;
struct list packets;
};
/* Sends an OFPT_PACKET_IN message for 'packet' of type OFPR_NO_MATCH to each
* OpenFlow controller as necessary according to their individual
- * configurations.
- *
- * If 'clone' is true, the caller retains ownership of 'packet'. Otherwise,
- * ownership is transferred to this function. */
+ * configurations. */
static void
send_packet_in_miss(struct ofproto_dpif *ofproto, struct ofpbuf *packet,
- const struct flow *flow, bool clone)
+ const struct flow *flow)
{
struct ofputil_packet_in pin;
- pin.packet = packet;
- pin.in_port = flow->in_port;
+ pin.packet = packet->data;
+ pin.packet_len = packet->size;
+ pin.total_len = packet->size;
pin.reason = OFPR_NO_MATCH;
+
+ pin.table_id = 0;
+ pin.cookie = 0;
+
pin.buffer_id = 0; /* not yet known */
pin.send_len = 0; /* not used for flow table misses */
- connmgr_send_packet_in(ofproto->up.connmgr, &pin, flow,
- clone ? NULL : packet);
-}
-/* Sends an OFPT_PACKET_IN message for 'packet' of type OFPR_ACTION to each
- * OpenFlow controller as necessary according to their individual
- * configurations.
- *
- * 'send_len' should be the number of bytes of 'packet' to send to the
- * controller, as specified in the action that caused the packet to be sent.
- *
- * If 'clone' is true, the caller retains ownership of 'upcall->packet'.
- * Otherwise, ownership is transferred to this function. */
-static void
-send_packet_in_action(struct ofproto_dpif *ofproto, struct ofpbuf *packet,
- uint64_t userdata, const struct flow *flow, bool clone)
-{
- struct ofputil_packet_in pin;
- struct user_action_cookie cookie;
+ flow_get_metadata(flow, &pin.fmd);
- memcpy(&cookie, &userdata, sizeof(cookie));
+ /* Registers aren't meaningful on a miss. */
+ memset(pin.fmd.reg_masks, 0, sizeof pin.fmd.reg_masks);
- pin.packet = packet;
- pin.in_port = flow->in_port;
- pin.reason = OFPR_ACTION;
- pin.buffer_id = 0; /* not yet known */
- pin.send_len = cookie.data;
- connmgr_send_packet_in(ofproto->up.connmgr, &pin, flow,
- clone ? NULL : packet);
+ connmgr_send_packet_in(ofproto->up.connmgr, &pin, flow);
}
static bool
static struct flow_miss *
flow_miss_create(struct hmap *todo, const struct flow *flow,
enum odp_key_fitness key_fitness,
- const struct nlattr *key, size_t key_len)
+ const struct nlattr *key, size_t key_len,
+ ovs_be16 initial_tci)
{
uint32_t hash = flow_hash(flow, 0);
struct flow_miss *miss;
miss->key_fitness = key_fitness;
miss->key = key;
miss->key_len = key_len;
+ miss->initial_tci = initial_tci;
list_init(&miss->packets);
return miss;
}
flow->in_port);
}
- LIST_FOR_EACH_SAFE (packet, next_packet, list_node,
- &miss->packets) {
- list_remove(&packet->list_node);
- send_packet_in_miss(ofproto, packet, flow, false);
+ LIST_FOR_EACH (packet, list_node, &miss->packets) {
+ send_packet_in_miss(ofproto, packet, flow);
}
return;
}
subfacet = subfacet_create(ofproto, facet,
- miss->key_fitness, miss->key, miss->key_len);
+ miss->key_fitness, miss->key, miss->key_len,
+ miss->initial_tci);
LIST_FOR_EACH_SAFE (packet, next_packet, list_node, &miss->packets) {
- list_remove(&packet->list_node);
+ struct dpif_flow_stats stats;
+ struct flow_miss_op *op;
+ struct dpif_execute *execute;
+
ofproto->n_matches++;
if (facet->rule->up.cr.priority == FAIL_OPEN_PRIORITY) {
*
* See the top-level comment in fail-open.c for more information.
*/
- send_packet_in_miss(ofproto, packet, flow, true);
+ send_packet_in_miss(ofproto, packet, flow);
}
- if (!facet->may_install) {
- facet_make_actions(ofproto, facet, packet);
+ if (!facet->may_install || !subfacet->actions) {
+ subfacet_make_actions(ofproto, subfacet, packet);
}
- if (!execute_controller_action(ofproto, &facet->flow,
- facet->actions, facet->actions_len,
- packet)) {
- struct flow_miss_op *op = &ops[(*n_ops)++];
- struct dpif_execute *execute = &op->dpif_op.execute;
- op->subfacet = subfacet;
- execute->type = DPIF_OP_EXECUTE;
- execute->key = miss->key;
- execute->key_len = miss->key_len;
- execute->actions
- = (facet->may_install
- ? facet->actions
- : xmemdup(facet->actions, facet->actions_len));
- execute->actions_len = facet->actions_len;
- execute->packet = packet;
+ dpif_flow_stats_extract(&facet->flow, packet, &stats);
+ subfacet_update_stats(ofproto, subfacet, &stats);
+
+ if (flow->vlan_tci != subfacet->initial_tci) {
+ /* This packet was received on a VLAN splinter port. We added
+ * a VLAN to the packet to make the packet resemble the flow,
+ * but the actions were composed assuming that the packet
+ * contained no VLAN. So, we must remove the VLAN header from
+ * the packet before trying to execute the actions. */
+ eth_pop_vlan(packet);
}
+
+ op = &ops[(*n_ops)++];
+ execute = &op->dpif_op.execute;
+ op->subfacet = subfacet;
+ execute->type = DPIF_OP_EXECUTE;
+ execute->key = miss->key;
+ execute->key_len = miss->key_len;
+ execute->actions = (facet->may_install
+ ? subfacet->actions
+ : xmemdup(subfacet->actions,
+ subfacet->actions_len));
+ execute->actions_len = subfacet->actions_len;
+ execute->packet = packet;
}
if (facet->may_install && subfacet->key_fitness != ODP_FIT_TOO_LITTLE) {
put->flags = DPIF_FP_CREATE | DPIF_FP_MODIFY;
put->key = miss->key;
put->key_len = miss->key_len;
- put->actions = facet->actions;
- put->actions_len = facet->actions_len;
+ put->actions = subfacet->actions;
+ put->actions_len = subfacet->actions_len;
put->stats = NULL;
}
}
+/* Like odp_flow_key_to_flow(), this function converts the 'key_len' bytes of
+ * OVS_KEY_ATTR_* attributes in 'key' to a flow structure in 'flow' and returns
+ * an ODP_FIT_* value that indicates how well 'key' fits our expectations for
+ * what a flow key should contain.
+ *
+ * This function also includes some logic to help make VLAN splinters
+ * transparent to the rest of the upcall processing logic. In particular, if
+ * the extracted in_port is a VLAN splinter port, it replaces flow->in_port by
+ * the "real" port, sets flow->vlan_tci correctly for the VLAN of the VLAN
+ * splinter port, and pushes a VLAN header onto 'packet' (if it is nonnull).
+ *
+ * Sets '*initial_tci' to the VLAN TCI with which the packet was really
+ * received, that is, the actual VLAN TCI extracted by odp_flow_key_to_flow().
+ * (This differs from the value returned in flow->vlan_tci only for packets
+ * received on VLAN splinters.)
+ */
+static enum odp_key_fitness
+ofproto_dpif_extract_flow_key(const struct ofproto_dpif *ofproto,
+ const struct nlattr *key, size_t key_len,
+ struct flow *flow, ovs_be16 *initial_tci,
+ struct ofpbuf *packet)
+{
+ enum odp_key_fitness fitness;
+ uint16_t realdev;
+ int vid;
+
+ fitness = odp_flow_key_to_flow(key, key_len, flow);
+ if (fitness == ODP_FIT_ERROR) {
+ return fitness;
+ }
+ *initial_tci = flow->vlan_tci;
+
+ realdev = vsp_vlandev_to_realdev(ofproto, flow->in_port, &vid);
+ if (realdev) {
+ /* Cause the flow to be processed as if it came in on the real device
+ * with the VLAN device's VLAN ID. */
+ flow->in_port = realdev;
+ flow->vlan_tci = htons((vid & VLAN_VID_MASK) | VLAN_CFI);
+ if (packet) {
+ /* Make the packet resemble the flow, so that it gets sent to an
+ * OpenFlow controller properly, so that it looks correct for
+ * sFlow, and so that flow_extract() will get the correct vlan_tci
+ * if it is called on 'packet'.
+ *
+ * The allocated space inside 'packet' probably also contains
+ * 'key', that is, both 'packet' and 'key' are probably part of a
+ * struct dpif_upcall (see the large comment on that structure
+ * definition), so pushing data on 'packet' is in general not a
+ * good idea since it could overwrite 'key' or free it as a side
+ * effect. However, it's OK in this special case because we know
+ * that 'packet' is inside a Netlink attribute: pushing 4 bytes
+ * will just overwrite the 4-byte "struct nlattr", which is fine
+ * since we don't need that header anymore. */
+ eth_push_vlan(packet, flow->vlan_tci);
+ }
+
+ /* Let the caller know that we can't reproduce 'key' from 'flow'. */
+ if (fitness == ODP_FIT_PERFECT) {
+ fitness = ODP_FIT_TOO_MUCH;
+ }
+ }
+
+ return fitness;
+}
+
static void
handle_miss_upcalls(struct ofproto_dpif *ofproto, struct dpif_upcall *upcalls,
size_t n_upcalls)
for (upcall = upcalls; upcall < &upcalls[n_upcalls]; upcall++) {
enum odp_key_fitness fitness;
struct flow_miss *miss;
+ ovs_be16 initial_tci;
struct flow flow;
/* Obtain metadata and check userspace/kernel agreement on flow match,
* then set 'flow''s header pointers. */
- fitness = odp_flow_key_to_flow(upcall->key, upcall->key_len, &flow);
+ fitness = ofproto_dpif_extract_flow_key(ofproto,
+ upcall->key, upcall->key_len,
+ &flow, &initial_tci,
+ upcall->packet);
if (fitness == ODP_FIT_ERROR) {
+ ofpbuf_delete(upcall->packet);
continue;
}
- flow_extract(upcall->packet, flow.priority, flow.tun_id,
+ flow_extract(upcall->packet, flow.skb_priority, flow.tun_id,
flow.in_port, &flow);
/* Handle 802.1ag, LACP, and STP specially. */
if (process_special(ofproto, &flow, upcall->packet)) {
+ ofproto_update_local_port_stats(&ofproto->up,
+ 0, upcall->packet->size);
ofpbuf_delete(upcall->packet);
ofproto->n_matches++;
continue;
/* Add other packets to a to-do list. */
miss = flow_miss_create(&todo, &flow, fitness,
- upcall->key, upcall->key_len);
+ upcall->key, upcall->key_len, initial_tci);
list_push_back(&miss->packets, &upcall->packet->list_node);
}
/* Process each element in the to-do list, constructing the set of
* operations to batch. */
n_ops = 0;
- HMAP_FOR_EACH_SAFE (miss, next_miss, hmap_node, &todo) {
+ HMAP_FOR_EACH (miss, hmap_node, &todo) {
handle_flow_miss(ofproto, miss, flow_miss_ops, &n_ops);
- ofpbuf_list_delete(&miss->packets);
- hmap_remove(&todo, &miss->hmap_node);
- free(miss);
}
assert(n_ops <= ARRAY_SIZE(flow_miss_ops));
- hmap_destroy(&todo);
/* Execute batch. */
for (i = 0; i < n_ops; i++) {
switch (op->dpif_op.type) {
case DPIF_OP_EXECUTE:
execute = &op->dpif_op.execute;
- if (op->subfacet->facet->actions != execute->actions) {
+ if (op->subfacet->actions != execute->actions) {
free((struct nlattr *) execute->actions);
}
- ofpbuf_delete((struct ofpbuf *) execute->packet);
break;
case DPIF_OP_FLOW_PUT:
break;
}
}
+ HMAP_FOR_EACH_SAFE (miss, next_miss, hmap_node, &todo) {
+ ofpbuf_list_delete(&miss->packets);
+ hmap_remove(&todo, &miss->hmap_node);
+ free(miss);
+ }
+ hmap_destroy(&todo);
}
static void
handle_userspace_upcall(struct ofproto_dpif *ofproto,
struct dpif_upcall *upcall)
{
- struct flow flow;
struct user_action_cookie cookie;
+ enum odp_key_fitness fitness;
+ ovs_be16 initial_tci;
+ struct flow flow;
memcpy(&cookie, &upcall->userdata, sizeof(cookie));
+ fitness = ofproto_dpif_extract_flow_key(ofproto, upcall->key,
+ upcall->key_len, &flow,
+ &initial_tci, upcall->packet);
+ if (fitness == ODP_FIT_ERROR) {
+ ofpbuf_delete(upcall->packet);
+ return;
+ }
+
if (cookie.type == USER_ACTION_COOKIE_SFLOW) {
if (ofproto->sflow) {
- odp_flow_key_to_flow(upcall->key, upcall->key_len, &flow);
- dpif_sflow_received(ofproto->sflow, upcall->packet, &flow, &cookie);
+ dpif_sflow_received(ofproto->sflow, upcall->packet, &flow,
+ &cookie);
}
- ofpbuf_delete(upcall->packet);
-
- } else if (cookie.type == USER_ACTION_COOKIE_CONTROLLER) {
- COVERAGE_INC(ofproto_dpif_ctlr_action);
- odp_flow_key_to_flow(upcall->key, upcall->key_len, &flow);
- send_packet_in_action(ofproto, upcall->packet, upcall->userdata,
- &flow, false);
} else {
VLOG_WARN_RL(&rl, "invalid user cookie : 0x%"PRIx64, upcall->userdata);
}
+ ofpbuf_delete(upcall->packet);
}
-static void
-handle_upcall(struct ofproto_dpif *ofproto, struct dpif_upcall *upcall)
+static int
+handle_upcalls(struct ofproto_dpif *ofproto, unsigned int max_batch)
{
- switch (upcall->type) {
- case DPIF_UC_ACTION:
- handle_userspace_upcall(ofproto, upcall);
- break;
+ struct dpif_upcall misses[FLOW_MISS_MAX_BATCH];
+ int n_misses;
+ int i;
- case DPIF_UC_MISS:
- /* The caller handles these. */
- NOT_REACHED();
+ assert (max_batch <= FLOW_MISS_MAX_BATCH);
- case DPIF_N_UC_TYPES:
- default:
- VLOG_WARN_RL(&rl, "upcall has unexpected type %"PRIu32, upcall->type);
- break;
+ n_misses = 0;
+ for (i = 0; i < max_batch; i++) {
+ struct dpif_upcall *upcall = &misses[n_misses];
+ int error;
+
+ error = dpif_recv(ofproto->dpif, upcall);
+ if (error) {
+ break;
+ }
+
+ switch (upcall->type) {
+ case DPIF_UC_ACTION:
+ handle_userspace_upcall(ofproto, upcall);
+ break;
+
+ case DPIF_UC_MISS:
+ /* Handle it later. */
+ n_misses++;
+ break;
+
+ case DPIF_N_UC_TYPES:
+ default:
+ VLOG_WARN_RL(&rl, "upcall has unexpected type %"PRIu32,
+ upcall->type);
+ break;
+ }
}
+
+ handle_miss_upcalls(ofproto, misses, n_misses);
+
+ return i;
}
\f
/* Flow expiration. */
dpif_flow_dump_start(&dump, p->dpif);
while (dpif_flow_dump_next(&dump, &key, &key_len, NULL, NULL, &stats)) {
- enum odp_key_fitness fitness;
struct subfacet *subfacet;
- struct flow flow;
-
- fitness = odp_flow_key_to_flow(key, key_len, &flow);
- if (fitness == ODP_FIT_ERROR) {
- continue;
- }
- subfacet = subfacet_find(p, key, key_len, &flow);
+ subfacet = subfacet_find(p, key, key_len);
if (subfacet && subfacet->installed) {
struct facet *facet = subfacet->facet;
subfacet->dp_byte_count = stats->n_bytes;
subfacet_update_time(p, subfacet, stats->used);
- facet_account(p, facet);
+ facet_account(p, facet, true);
facet_push_stats(facet);
} else {
+ if (!VLOG_DROP_WARN(&rl)) {
+ struct ds s;
+
+ ds_init(&s);
+ odp_flow_key_format(key, key_len, &s);
+ VLOG_WARN("unexpected flow from datapath %s", ds_cstr(&s));
+ ds_destroy(&s);
+ }
+
+ COVERAGE_INC(facet_unexpected);
/* There's a flow in the datapath that we know nothing about, or a
* flow that shouldn't be installed but was anyway. Delete it. */
- COVERAGE_INC(facet_unexpected);
dpif_flow_del(p->dpif, key, key_len, NULL);
}
}
* 'flow' exists in 'ofproto' and that 'flow' is the best match for 'rule' in
* the ofproto's classifier table.
*
- * The facet will initially have no ODP actions. The caller should fix that
- * by calling facet_make_actions().
- *
* The facet will initially have no subfacets. The caller should create (at
* least) one subfacet with subfacet_create(). */
static struct facet *
static void
facet_free(struct facet *facet)
{
- free(facet->actions);
free(facet);
}
-static bool
-execute_controller_action(struct ofproto_dpif *ofproto,
- const struct flow *flow,
- const struct nlattr *odp_actions, size_t actions_len,
- struct ofpbuf *packet)
-{
- if (actions_len
- && odp_actions->nla_type == OVS_ACTION_ATTR_USERSPACE
- && NLA_ALIGN(odp_actions->nla_len) == actions_len) {
- /* 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.
- *
- * This optimization will not accidentally catch sFlow
- * OVS_ACTION_ATTR_USERSPACE actions, since those are encapsulated
- * inside OVS_ACTION_ATTR_SAMPLE. */
- const struct nlattr *nla;
-
- nla = nl_attr_find_nested(odp_actions, OVS_USERSPACE_ATTR_USERDATA);
- send_packet_in_action(ofproto, packet, nl_attr_get_u64(nla), flow,
- false);
- return true;
- } else {
- return false;
- }
-}
-
/* Executes, within 'ofproto', the 'n_actions' actions in 'actions' on
* 'packet', which arrived on 'in_port'.
*
struct ofpbuf key;
int error;
- if (execute_controller_action(ofproto, flow, odp_actions, actions_len,
- packet)) {
- return true;
- }
-
ofpbuf_use_stack(&key, &keybuf, sizeof keybuf);
odp_flow_key_from_flow(&key, flow);
{
struct subfacet *subfacet, *next_subfacet;
+ assert(!list_is_empty(&facet->subfacets));
+
+ /* First uninstall all of the subfacets to get final statistics. */
+ LIST_FOR_EACH (subfacet, list_node, &facet->subfacets) {
+ subfacet_uninstall(ofproto, subfacet);
+ }
+
+ /* Flush the final stats to the rule.
+ *
+ * This might require us to have at least one subfacet around so that we
+ * can use its actions for accounting in facet_account(), which is why we
+ * have uninstalled but not yet destroyed the subfacets. */
+ facet_flush_stats(ofproto, facet);
+
+ /* Now we're really all done so destroy everything. */
LIST_FOR_EACH_SAFE (subfacet, next_subfacet, list_node,
&facet->subfacets) {
subfacet_destroy__(ofproto, subfacet);
}
-
- facet_flush_stats(ofproto, facet);
hmap_remove(&ofproto->facets, &facet->hmap_node);
list_remove(&facet->list_node);
facet_free(facet);
}
-/* Composes the datapath actions for 'facet' based on its rule's actions. */
-static void
-facet_make_actions(struct ofproto_dpif *p, struct facet *facet,
- const struct ofpbuf *packet)
-{
- const struct rule_dpif *rule = facet->rule;
- struct ofpbuf *odp_actions;
- struct action_xlate_ctx ctx;
-
- action_xlate_ctx_init(&ctx, p, &facet->flow, packet);
- odp_actions = xlate_actions(&ctx, rule->up.actions, rule->up.n_actions);
- facet->tags = ctx.tags;
- facet->may_install = ctx.may_set_up_flow;
- facet->has_learn = ctx.has_learn;
- facet->has_normal = ctx.has_normal;
- 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)) {
- free(facet->actions);
- facet->actions_len = odp_actions->size;
- facet->actions = xmemdup(odp_actions->data, odp_actions->size);
- }
-
- ofpbuf_delete(odp_actions);
-}
-
static void
-facet_account(struct ofproto_dpif *ofproto, struct facet *facet)
+facet_account(struct ofproto_dpif *ofproto, struct facet *facet,
+ bool may_flow_mod)
{
uint64_t n_bytes;
+ struct subfacet *subfacet;
const struct nlattr *a;
unsigned int left;
ovs_be16 vlan_tci;
if (facet->has_learn || facet->has_normal) {
struct action_xlate_ctx ctx;
- action_xlate_ctx_init(&ctx, ofproto, &facet->flow, NULL);
- ctx.may_learn = true;
+ action_xlate_ctx_init(&ctx, ofproto, &facet->flow,
+ facet->flow.vlan_tci,
+ facet->rule->up.flow_cookie, NULL);
+ ctx.may_learn_macs = true;
+ ctx.may_flow_mod = may_flow_mod;
ofpbuf_delete(xlate_actions(&ctx, facet->rule->up.actions,
facet->rule->up.n_actions));
}
* as a basis. We also need to track the actual VLAN on which the packet
* is going to be sent to ensure that it matches the one passed to
* bond_choose_output_slave(). (Otherwise, we will account to the wrong
- * hash bucket.) */
+ * hash bucket.)
+ *
+ * We use the actions from an arbitrary subfacet because they should all
+ * be equally valid for our purpose. */
+ subfacet = CONTAINER_OF(list_front(&facet->subfacets),
+ struct subfacet, list_node);
vlan_tci = facet->flow.vlan_tci;
- NL_ATTR_FOR_EACH_UNSAFE (a, left, facet->actions, facet->actions_len) {
+ NL_ATTR_FOR_EACH_UNSAFE (a, left,
+ subfacet->actions, subfacet->actions_len) {
const struct ovs_action_push_vlan *vlan;
struct ofport_dpif *port;
}
facet_push_stats(facet);
- facet_account(ofproto, facet);
+ facet_account(ofproto, facet, false);
if (ofproto->netflow && !facet_is_controller_flow(facet)) {
struct ofexpired expired;
static bool
facet_revalidate(struct ofproto_dpif *ofproto, struct facet *facet)
{
+ struct actions {
+ struct nlattr *odp_actions;
+ size_t actions_len;
+ };
+ struct actions *new_actions;
+
struct action_xlate_ctx ctx;
- struct ofpbuf *odp_actions;
struct rule_dpif *new_rule;
struct subfacet *subfacet;
bool actions_changed;
- bool flush_stats;
+ int i;
COVERAGE_INC(facet_revalidate);
* We do not modify any 'facet' state yet, because we might need to, e.g.,
* emit a NetFlow expiration and, if so, we need to have the old state
* around to properly compose it. */
- action_xlate_ctx_init(&ctx, ofproto, &facet->flow, NULL);
- odp_actions = xlate_actions(&ctx,
- new_rule->up.actions, new_rule->up.n_actions);
- actions_changed = (facet->actions_len != odp_actions->size
- || memcmp(facet->actions, odp_actions->data,
- facet->actions_len));
/* If the datapath actions changed or the installability changed,
* then we need to talk to the datapath. */
- flush_stats = false;
+ i = 0;
+ new_actions = NULL;
+ memset(&ctx, 0, sizeof ctx);
LIST_FOR_EACH (subfacet, list_node, &facet->subfacets) {
- bool should_install = (ctx.may_set_up_flow
- && subfacet->key_fitness != ODP_FIT_TOO_LITTLE);
+ struct ofpbuf *odp_actions;
+ bool should_install;
+
+ action_xlate_ctx_init(&ctx, ofproto, &facet->flow,
+ subfacet->initial_tci, new_rule->up.flow_cookie,
+ NULL);
+ odp_actions = xlate_actions(&ctx, new_rule->up.actions,
+ new_rule->up.n_actions);
+ actions_changed = (subfacet->actions_len != odp_actions->size
+ || memcmp(subfacet->actions, odp_actions->data,
+ subfacet->actions_len));
+
+ should_install = (ctx.may_set_up_flow
+ && subfacet->key_fitness != ODP_FIT_TOO_LITTLE);
if (actions_changed || should_install != subfacet->installed) {
if (should_install) {
struct dpif_flow_stats stats;
} else {
subfacet_uninstall(ofproto, subfacet);
}
- flush_stats = true;
+
+ if (!new_actions) {
+ new_actions = xcalloc(list_size(&facet->subfacets),
+ sizeof *new_actions);
+ }
+ new_actions[i].odp_actions = xmemdup(odp_actions->data,
+ odp_actions->size);
+ new_actions[i].actions_len = odp_actions->size;
}
+
+ ofpbuf_delete(odp_actions);
+ i++;
}
- if (flush_stats) {
+ if (new_actions) {
facet_flush_stats(ofproto, facet);
}
facet->may_install = ctx.may_set_up_flow;
facet->has_learn = ctx.has_learn;
facet->has_normal = ctx.has_normal;
- if (actions_changed) {
- free(facet->actions);
- facet->actions_len = odp_actions->size;
- facet->actions = xmemdup(odp_actions->data, odp_actions->size);
+ facet->mirrors = ctx.mirrors;
+ if (new_actions) {
+ i = 0;
+ LIST_FOR_EACH (subfacet, list_node, &facet->subfacets) {
+ if (new_actions[i].odp_actions) {
+ free(subfacet->actions);
+ subfacet->actions = new_actions[i].odp_actions;
+ subfacet->actions_len = new_actions[i].actions_len;
+ }
+ i++;
+ }
+ free(new_actions);
}
if (facet->rule != new_rule) {
COVERAGE_INC(facet_changed_rule);
list_push_back(&new_rule->facets, &facet->list_node);
facet->rule = new_rule;
facet->used = new_rule->up.created;
- facet->rs_used = facet->used;
+ facet->prev_used = facet->used;
}
- ofpbuf_delete(odp_actions);
-
return true;
}
{
facet->packet_count = 0;
facet->byte_count = 0;
- facet->rs_packet_count = 0;
- facet->rs_byte_count = 0;
+ facet->prev_packet_count = 0;
+ facet->prev_byte_count = 0;
facet->accounted_bytes = 0;
}
static void
facet_push_stats(struct facet *facet)
{
- uint64_t rs_packets, rs_bytes;
+ uint64_t new_packets, new_bytes;
- assert(facet->packet_count >= facet->rs_packet_count);
- assert(facet->byte_count >= facet->rs_byte_count);
- assert(facet->used >= facet->rs_used);
+ assert(facet->packet_count >= facet->prev_packet_count);
+ assert(facet->byte_count >= facet->prev_byte_count);
+ assert(facet->used >= facet->prev_used);
- rs_packets = facet->packet_count - facet->rs_packet_count;
- rs_bytes = facet->byte_count - facet->rs_byte_count;
+ new_packets = facet->packet_count - facet->prev_packet_count;
+ new_bytes = facet->byte_count - facet->prev_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;
+ if (new_packets || new_bytes || facet->used > facet->prev_used) {
+ facet->prev_packet_count = facet->packet_count;
+ facet->prev_byte_count = facet->byte_count;
+ facet->prev_used = facet->used;
flow_push_stats(facet->rule, &facet->flow,
- rs_packets, rs_bytes, facet->used);
+ new_packets, new_bytes, facet->used);
+
+ update_mirror_stats(ofproto_dpif_cast(facet->rule->up.ofproto),
+ facet->mirrors, new_packets, new_bytes);
}
}
}
/* Pushes flow statistics to the rules which 'flow' resubmits into given
- * 'rule''s actions. */
+ * 'rule''s actions and mirrors. */
static void
flow_push_stats(const struct rule_dpif *rule,
const struct flow *flow, uint64_t packets, uint64_t bytes,
push.bytes = bytes;
push.used = used;
- action_xlate_ctx_init(&push.ctx, ofproto, flow, NULL);
+ action_xlate_ctx_init(&push.ctx, ofproto, flow, flow->vlan_tci,
+ rule->up.flow_cookie, NULL);
push.ctx.resubmit_hook = push_resubmit;
ofpbuf_delete(xlate_actions(&push.ctx,
rule->up.actions, rule->up.n_actions));
/* Searches 'facet' (within 'ofproto') for a subfacet with the specified
* 'key_fitness', 'key', and 'key_len'. Returns the existing subfacet if
- * there is one, otherwise creates and returns a new subfacet. */
+ * there is one, otherwise creates and returns a new subfacet.
+ *
+ * If the returned subfacet is new, then subfacet->actions will be NULL, in
+ * which case the caller must populate the actions with
+ * subfacet_make_actions(). */
static struct subfacet *
subfacet_create(struct ofproto_dpif *ofproto, struct facet *facet,
enum odp_key_fitness key_fitness,
- const struct nlattr *key, size_t key_len)
+ const struct nlattr *key, size_t key_len, ovs_be16 initial_tci)
{
uint32_t key_hash = odp_flow_key_hash(key, key_len);
struct subfacet *subfacet;
subfacet->key_len = key_len;
}
subfacet->installed = false;
+ subfacet->initial_tci = initial_tci;
return subfacet;
}
* 'flow'. Returns the subfacet if one exists, otherwise NULL. */
static struct subfacet *
subfacet_find(struct ofproto_dpif *ofproto,
- const struct nlattr *key, size_t key_len,
- const struct flow *flow)
+ const struct nlattr *key, size_t key_len)
{
uint32_t key_hash = odp_flow_key_hash(key, key_len);
+ enum odp_key_fitness fitness;
+ struct flow flow;
- return subfacet_find__(ofproto, key, key_len, key_hash, flow);
-}
+ fitness = odp_flow_key_to_flow(key, key_len, &flow);
+ if (fitness == ODP_FIT_ERROR) {
+ return NULL;
+ }
+
+ return subfacet_find__(ofproto, key, key_len, key_hash, &flow);
+}
/* Uninstalls 'subfacet' from the datapath, if it is installed, removes it from
* its facet within 'ofproto', and frees it. */
hmap_remove(&ofproto->subfacets, &subfacet->hmap_node);
list_remove(&subfacet->list_node);
free(subfacet->key);
+ free(subfacet->actions);
free(subfacet);
}
{
struct facet *facet = subfacet->facet;
- subfacet_destroy__(ofproto, subfacet);
- if (list_is_empty(&facet->subfacets)) {
+ if (list_is_singleton(&facet->subfacets)) {
+ /* facet_remove() needs at least one subfacet (it will remove it). */
facet_remove(ofproto, facet);
+ } else {
+ subfacet_destroy__(ofproto, subfacet);
}
}
}
}
+/* Composes the datapath actions for 'subfacet' based on its rule's actions. */
+static void
+subfacet_make_actions(struct ofproto_dpif *p, struct subfacet *subfacet,
+ const struct ofpbuf *packet)
+{
+ struct facet *facet = subfacet->facet;
+ const struct rule_dpif *rule = facet->rule;
+ struct ofpbuf *odp_actions;
+ struct action_xlate_ctx ctx;
+
+ action_xlate_ctx_init(&ctx, p, &facet->flow, subfacet->initial_tci,
+ rule->up.flow_cookie, packet);
+ odp_actions = xlate_actions(&ctx, rule->up.actions, rule->up.n_actions);
+ facet->tags = ctx.tags;
+ facet->may_install = ctx.may_set_up_flow;
+ facet->has_learn = ctx.has_learn;
+ facet->has_normal = ctx.has_normal;
+ facet->nf_flow.output_iface = ctx.nf_output_iface;
+ facet->mirrors = ctx.mirrors;
+
+ if (subfacet->actions_len != odp_actions->size
+ || memcmp(subfacet->actions, odp_actions->data, odp_actions->size)) {
+ free(subfacet->actions);
+ subfacet->actions_len = odp_actions->size;
+ subfacet->actions = xmemdup(odp_actions->data, odp_actions->size);
+ }
+
+ ofpbuf_delete(odp_actions);
+}
+
/* Updates 'subfacet''s datapath flow, setting its actions to 'actions_len'
* bytes of actions in 'actions'. If 'stats' is non-null, statistics counters
* in the datapath will be zeroed and 'stats' will be updated with traffic new
struct ofpbuf *odp_actions;
size_t size;
- action_xlate_ctx_init(&ctx, ofproto, flow, packet);
+ action_xlate_ctx_init(&ctx, ofproto, flow, flow->vlan_tci,
+ rule->up.flow_cookie, packet);
odp_actions = xlate_actions(&ctx, rule->up.actions, rule->up.n_actions);
size = packet->size;
if (execute_odp_actions(ofproto, flow, odp_actions->data,
}
\f
/* Sends 'packet' out 'ofport'.
+ * May modify 'packet'.
* Returns 0 if successful, otherwise a positive errno value. */
static int
-send_packet(const struct ofport_dpif *ofport, const struct ofpbuf *packet)
+send_packet(const struct ofport_dpif *ofport, struct ofpbuf *packet)
{
const struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
- uint16_t odp_port = ofport->odp_port;
struct ofpbuf key, odp_actions;
struct odputil_keybuf keybuf;
+ uint16_t odp_port;
struct flow flow;
int error;
flow_extract((struct ofpbuf *) packet, 0, 0, 0, &flow);
+ odp_port = vsp_realdev_to_vlandev(ofproto, ofport->odp_port,
+ flow.vlan_tci);
+ if (odp_port != ofport->odp_port) {
+ eth_pop_vlan(packet);
+ flow.vlan_tci = htons(0);
+ }
+
ofpbuf_use_stack(&key, &keybuf, sizeof keybuf);
odp_flow_key_from_flow(&key, &flow);
VLOG_WARN_RL(&rl, "%s: failed to send packet on port %"PRIu32" (%s)",
ofproto->up.name, odp_port, strerror(error));
}
+ ofproto_update_local_port_stats(ofport->up.ofproto, packet->size, 0);
return error;
}
\f
cookie->vlan_tci = base->vlan_tci;
}
-static void
-commit_set_action(struct ofpbuf *odp_actions, enum ovs_key_attr key_type,
- const void *key, size_t key_size)
-{
- size_t offset = nl_msg_start_nested(odp_actions, OVS_ACTION_ATTR_SET);
- nl_msg_put_unspec(odp_actions, key_type, key, key_size);
- nl_msg_end_nested(odp_actions, offset);
-}
-
-static void
-commit_set_tun_id_action(const struct flow *flow, struct flow *base,
- struct ofpbuf *odp_actions)
-{
- if (base->tun_id == flow->tun_id) {
- return;
- }
- base->tun_id = flow->tun_id;
-
- commit_set_action(odp_actions, OVS_KEY_ATTR_TUN_ID,
- &base->tun_id, sizeof(base->tun_id));
-}
-
-static void
-commit_set_ether_addr_action(const struct flow *flow, struct flow *base,
- struct ofpbuf *odp_actions)
-{
- struct ovs_key_ethernet eth_key;
-
- if (eth_addr_equals(base->dl_src, flow->dl_src) &&
- eth_addr_equals(base->dl_dst, flow->dl_dst)) {
- return;
- }
-
- memcpy(base->dl_src, flow->dl_src, ETH_ADDR_LEN);
- memcpy(base->dl_dst, flow->dl_dst, ETH_ADDR_LEN);
-
- memcpy(eth_key.eth_src, base->dl_src, ETH_ADDR_LEN);
- memcpy(eth_key.eth_dst, base->dl_dst, ETH_ADDR_LEN);
-
- commit_set_action(odp_actions, OVS_KEY_ATTR_ETHERNET,
- ð_key, sizeof(eth_key));
-}
-
-static void
-commit_vlan_action(const struct flow *flow, struct flow *base,
- struct ofpbuf *odp_actions)
-{
- if (base->vlan_tci == flow->vlan_tci) {
- return;
- }
-
- if (base->vlan_tci & htons(VLAN_CFI)) {
- nl_msg_put_flag(odp_actions, OVS_ACTION_ATTR_POP_VLAN);
- }
-
- if (flow->vlan_tci & htons(VLAN_CFI)) {
- struct ovs_action_push_vlan vlan;
-
- vlan.vlan_tpid = htons(ETH_TYPE_VLAN);
- vlan.vlan_tci = flow->vlan_tci;
- nl_msg_put_unspec(odp_actions, OVS_ACTION_ATTR_PUSH_VLAN,
- &vlan, sizeof vlan);
- }
- base->vlan_tci = flow->vlan_tci;
-}
-
-static void
-commit_set_nw_action(const struct flow *flow, struct flow *base,
- struct ofpbuf *odp_actions)
-{
- struct ovs_key_ipv4 ipv4_key;
-
- if (base->dl_type != htons(ETH_TYPE_IP) ||
- !base->nw_src || !base->nw_dst) {
- return;
- }
-
- if (base->nw_src == flow->nw_src &&
- base->nw_dst == flow->nw_dst &&
- base->nw_tos == flow->nw_tos &&
- base->nw_ttl == flow->nw_ttl &&
- base->nw_frag == flow->nw_frag) {
- return;
- }
-
- ipv4_key.ipv4_src = base->nw_src = flow->nw_src;
- ipv4_key.ipv4_dst = base->nw_dst = flow->nw_dst;
- ipv4_key.ipv4_tos = base->nw_tos = flow->nw_tos;
- ipv4_key.ipv4_ttl = base->nw_ttl = flow->nw_ttl;
- ipv4_key.ipv4_proto = base->nw_proto;
- ipv4_key.ipv4_frag = (base->nw_frag == 0 ? OVS_FRAG_TYPE_NONE
- : base->nw_frag == FLOW_NW_FRAG_ANY
- ? OVS_FRAG_TYPE_FIRST : OVS_FRAG_TYPE_LATER);
-
- commit_set_action(odp_actions, OVS_KEY_ATTR_IPV4,
- &ipv4_key, sizeof(ipv4_key));
-}
-
-static void
-commit_set_port_action(const struct flow *flow, struct flow *base,
- struct ofpbuf *odp_actions)
-{
- if (!base->tp_src || !base->tp_dst) {
- return;
- }
-
- if (base->tp_src == flow->tp_src &&
- base->tp_dst == flow->tp_dst) {
- return;
- }
-
- if (flow->nw_proto == IPPROTO_TCP) {
- struct ovs_key_tcp port_key;
-
- port_key.tcp_src = base->tp_src = flow->tp_src;
- port_key.tcp_dst = base->tp_dst = flow->tp_dst;
-
- commit_set_action(odp_actions, OVS_KEY_ATTR_TCP,
- &port_key, sizeof(port_key));
-
- } else if (flow->nw_proto == IPPROTO_UDP) {
- struct ovs_key_udp port_key;
-
- port_key.udp_src = base->tp_src = flow->tp_src;
- port_key.udp_dst = base->tp_dst = flow->tp_dst;
-
- commit_set_action(odp_actions, OVS_KEY_ATTR_UDP,
- &port_key, sizeof(port_key));
- }
-}
-
-static void
-commit_set_priority_action(const struct flow *flow, struct flow *base,
- struct ofpbuf *odp_actions)
-{
- if (base->priority == flow->priority) {
- return;
- }
- base->priority = flow->priority;
-
- commit_set_action(odp_actions, OVS_KEY_ATTR_PRIORITY,
- &base->priority, sizeof(base->priority));
-}
-
-static void
-commit_odp_actions(struct action_xlate_ctx *ctx)
-{
- const struct flow *flow = &ctx->flow;
- struct flow *base = &ctx->base_flow;
- struct ofpbuf *odp_actions = ctx->odp_actions;
-
- commit_set_tun_id_action(flow, base, odp_actions);
- commit_set_ether_addr_action(flow, base, odp_actions);
- commit_vlan_action(flow, base, odp_actions);
- commit_set_nw_action(flow, base, odp_actions);
- commit_set_port_action(flow, base, odp_actions);
- commit_set_priority_action(flow, base, odp_actions);
-}
-
static void
compose_output_action__(struct action_xlate_ctx *ctx, uint16_t ofp_port,
bool check_stp)
{
const struct ofport_dpif *ofport = get_ofp_port(ctx->ofproto, ofp_port);
uint16_t odp_port = ofp_port_to_odp_port(ofp_port);
+ ovs_be16 flow_vlan_tci = ctx->flow.vlan_tci;
uint8_t flow_nw_tos = ctx->flow.nw_tos;
+ uint16_t out_port;
if (ofport) {
struct priority_to_dscp *pdscp;
return;
}
- pdscp = get_priority(ofport, ctx->flow.priority);
+ pdscp = get_priority(ofport, ctx->flow.skb_priority);
if (pdscp) {
ctx->flow.nw_tos &= ~IP_DSCP_MASK;
ctx->flow.nw_tos |= pdscp->dscp;
* later and we're pre-populating the flow table. */
}
- commit_odp_actions(ctx);
- nl_msg_put_u32(ctx->odp_actions, OVS_ACTION_ATTR_OUTPUT, odp_port);
+ out_port = vsp_realdev_to_vlandev(ctx->ofproto, odp_port,
+ ctx->flow.vlan_tci);
+ if (out_port != odp_port) {
+ ctx->flow.vlan_tci = htons(0);
+ }
+ commit_odp_actions(&ctx->flow, &ctx->base_flow, ctx->odp_actions);
+ nl_msg_put_u32(ctx->odp_actions, OVS_ACTION_ATTR_OUTPUT, out_port);
+
ctx->sflow_odp_port = odp_port;
ctx->sflow_n_outputs++;
ctx->nf_output_iface = ofp_port;
+ ctx->flow.vlan_tci = flow_vlan_tci;
ctx->flow.nw_tos = flow_nw_tos;
}
if (table_id > 0 && table_id < N_TABLES) {
struct table_dpif *table = &ofproto->tables[table_id];
if (table->other_table) {
- ctx->tags |= (rule
+ ctx->tags |= (rule && rule->tag
? rule->tag
: rule_calculate_tag(&ctx->flow,
&table->other_table->wc,
}
if (rule) {
+ ovs_be64 old_cookie = ctx->cookie;
+
ctx->recurse++;
+ ctx->cookie = rule->up.flow_cookie;
do_xlate_actions(rule->up.actions, rule->up.n_actions, ctx);
+ ctx->cookie = old_cookie;
ctx->recurse--;
}
{
struct ofport_dpif *ofport;
- commit_odp_actions(ctx);
HMAP_FOR_EACH (ofport, up.hmap_node, &ctx->ofproto->up.ports) {
uint16_t ofp_port = ofport->up.ofp_port;
}
static void
-compose_controller_action(struct action_xlate_ctx *ctx, int len)
+execute_controller_action(struct action_xlate_ctx *ctx, int len)
{
- struct user_action_cookie cookie;
+ struct ofputil_packet_in pin;
+ struct ofpbuf *packet;
- commit_odp_actions(ctx);
- cookie.type = USER_ACTION_COOKIE_CONTROLLER;
- cookie.data = len;
- cookie.n_output = 0;
- cookie.vlan_tci = 0;
- put_userspace_action(ctx->ofproto, ctx->odp_actions, &ctx->flow, &cookie);
+ ctx->may_set_up_flow = false;
+ if (!ctx->packet) {
+ return;
+ }
+
+ packet = ofpbuf_clone(ctx->packet);
+
+ if (packet->l2 && packet->l3) {
+ struct eth_header *eh;
+
+ eth_pop_vlan(packet);
+ eh = packet->l2;
+ assert(eh->eth_type == ctx->flow.dl_type);
+ memcpy(eh->eth_src, ctx->flow.dl_src, sizeof eh->eth_src);
+ memcpy(eh->eth_dst, ctx->flow.dl_dst, sizeof eh->eth_dst);
+
+ if (ctx->flow.vlan_tci & htons(VLAN_CFI)) {
+ eth_push_vlan(packet, ctx->flow.vlan_tci);
+ }
+
+ if (packet->l4) {
+ if (ctx->flow.dl_type == htons(ETH_TYPE_IP)) {
+ packet_set_ipv4(packet, ctx->flow.nw_src, ctx->flow.nw_dst,
+ ctx->flow.nw_tos, ctx->flow.nw_ttl);
+ }
+
+ if (packet->l7) {
+ if (ctx->flow.nw_proto == IPPROTO_TCP) {
+ packet_set_tcp_port(packet, ctx->flow.tp_src,
+ ctx->flow.tp_dst);
+ } else if (ctx->flow.nw_proto == IPPROTO_UDP) {
+ packet_set_udp_port(packet, ctx->flow.tp_src,
+ ctx->flow.tp_dst);
+ }
+ }
+ }
+ }
+
+ pin.packet = packet->data;
+ pin.packet_len = packet->size;
+ pin.reason = OFPR_ACTION;
+ pin.table_id = ctx->table_id;
+ pin.cookie = ctx->cookie;
+
+ pin.buffer_id = 0;
+ pin.send_len = len;
+ pin.total_len = packet->size;
+ flow_get_metadata(&ctx->flow, &pin.fmd);
+
+ connmgr_send_packet_in(ctx->ofproto->up.connmgr, &pin, &ctx->flow);
+ ofpbuf_delete(packet);
}
static void
flood_packets(ctx, true);
break;
case OFPP_CONTROLLER:
- compose_controller_action(ctx, max_len);
- break;
- case OFPP_LOCAL:
- compose_output_action(ctx, OFPP_LOCAL);
+ execute_controller_action(ctx, max_len);
break;
case OFPP_NONE:
break;
+ case OFPP_LOCAL:
default:
if (port != ctx->flow.in_port) {
compose_output_action(ctx, port);
}
/* Add datapath actions. */
- flow_priority = ctx->flow.priority;
- ctx->flow.priority = priority;
+ flow_priority = ctx->flow.skb_priority;
+ ctx->flow.skb_priority = priority;
compose_output_action(ctx, ofp_port);
- ctx->flow.priority = flow_priority;
+ ctx->flow.skb_priority = flow_priority;
/* Update NetFlow output port. */
if (ctx->nf_output_iface == NF_OUT_DROP) {
return;
}
- ctx->flow.priority = priority;
+ ctx->flow.skb_priority = priority;
}
struct xlate_reg_state {
break;
case OFPUTIL_OFPAT_SET_NW_TOS:
- ctx->flow.nw_tos &= ~IP_DSCP_MASK;
- ctx->flow.nw_tos |= ia->nw_tos.nw_tos & IP_DSCP_MASK;
+ /* OpenFlow 1.0 only supports IPv4. */
+ if (ctx->flow.dl_type == htons(ETH_TYPE_IP)) {
+ ctx->flow.nw_tos &= ~IP_DSCP_MASK;
+ ctx->flow.nw_tos |= ia->nw_tos.nw_tos & IP_DSCP_MASK;
+ }
break;
case OFPUTIL_OFPAT_SET_TP_SRC:
break;
case OFPUTIL_NXAST_POP_QUEUE:
- ctx->flow.priority = ctx->original_priority;
+ ctx->flow.skb_priority = ctx->orig_skb_priority;
break;
case OFPUTIL_NXAST_REG_MOVE:
case OFPUTIL_NXAST_LEARN:
ctx->has_learn = true;
- if (ctx->may_learn) {
+ if (ctx->may_flow_mod) {
xlate_learn_action(ctx, (const struct nx_action_learn *) ia);
}
break;
static void
action_xlate_ctx_init(struct action_xlate_ctx *ctx,
struct ofproto_dpif *ofproto, const struct flow *flow,
+ ovs_be16 initial_tci, ovs_be64 cookie,
const struct ofpbuf *packet)
{
ctx->ofproto = ofproto;
ctx->flow = *flow;
+ ctx->base_flow = ctx->flow;
+ ctx->base_flow.tun_id = 0;
+ ctx->base_flow.vlan_tci = initial_tci;
+ ctx->cookie = cookie;
ctx->packet = packet;
- ctx->may_learn = packet != NULL;
+ ctx->may_learn_macs = packet != NULL;
+ ctx->may_flow_mod = packet != NULL;
ctx->resubmit_hook = NULL;
}
xlate_actions(struct action_xlate_ctx *ctx,
const union ofp_action *in, size_t n_in)
{
+ struct flow orig_flow = ctx->flow;
+
COVERAGE_INC(ofproto_dpif_xlate);
ctx->odp_actions = ofpbuf_new(512);
ctx->has_learn = false;
ctx->has_normal = false;
ctx->nf_output_iface = NF_OUT_DROP;
+ ctx->mirrors = 0;
ctx->recurse = 0;
- ctx->original_priority = ctx->flow.priority;
- ctx->base_flow = ctx->flow;
- ctx->base_flow.tun_id = 0;
+ ctx->orig_skb_priority = ctx->flow.skb_priority;
ctx->table_id = 0;
ctx->exit = false;
compose_output_action(ctx, OFPP_LOCAL);
}
}
+ add_mirror_actions(ctx, &orig_flow);
fix_sflow_action(ctx);
}
static bool
input_vid_is_valid(uint16_t vid, struct ofbundle *in_bundle, bool warn)
{
+ /* Allow any VID on the OFPP_NONE port. */
+ if (in_bundle == &ofpp_none_bundle) {
+ return true;
+ }
+
switch (in_bundle->vlan_mode) {
case PORT_VLAN_ACCESS:
if (vid) {
struct ofport_dpif, bundle_node);
}
-static mirror_mask_t
-compose_dsts(struct action_xlate_ctx *ctx, uint16_t vlan,
- const struct ofbundle *in_bundle,
- const struct ofbundle *out_bundle)
-{
- mirror_mask_t dst_mirrors = 0;
-
- if (out_bundle == OFBUNDLE_FLOOD) {
- struct ofbundle *bundle;
-
- HMAP_FOR_EACH (bundle, hmap_node, &ctx->ofproto->bundles) {
- if (bundle != in_bundle
- && ofbundle_includes_vlan(bundle, vlan)
- && bundle->floodable
- && !bundle->mirror_out) {
- output_normal(ctx, bundle, vlan);
- dst_mirrors |= bundle->dst_mirrors;
- }
- }
- ctx->nf_output_iface = NF_OUT_FLOOD;
- } else if (out_bundle) {
- output_normal(ctx, out_bundle, vlan);
- dst_mirrors = out_bundle->dst_mirrors;
- }
-
- return dst_mirrors;
-}
-
static bool
vlan_is_mirrored(const struct ofmirror *m, int vlan)
{
}
static void
-output_mirrors(struct action_xlate_ctx *ctx,
- uint16_t vlan, const struct ofbundle *in_bundle,
- mirror_mask_t dst_mirrors)
+add_mirror_actions(struct action_xlate_ctx *ctx, const struct flow *orig_flow)
{
struct ofproto_dpif *ofproto = ctx->ofproto;
mirror_mask_t mirrors;
+ struct ofbundle *in_bundle;
+ uint16_t vlan;
+ uint16_t vid;
+ const struct nlattr *a;
+ size_t left;
+
+ in_bundle = lookup_input_bundle(ctx->ofproto, orig_flow->in_port,
+ ctx->packet != NULL);
+ if (!in_bundle) {
+ return;
+ }
+ mirrors = in_bundle->src_mirrors;
+
+ /* Drop frames on bundles reserved for mirroring. */
+ if (in_bundle->mirror_out) {
+ if (ctx->packet != NULL) {
+ static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
+ VLOG_WARN_RL(&rl, "bridge %s: dropping packet received on port "
+ "%s, which is reserved exclusively for mirroring",
+ ctx->ofproto->up.name, in_bundle->name);
+ }
+ return;
+ }
+
+ /* Check VLAN. */
+ vid = vlan_tci_to_vid(orig_flow->vlan_tci);
+ if (!input_vid_is_valid(vid, in_bundle, ctx->packet != NULL)) {
+ return;
+ }
+ vlan = input_vid_to_vlan(in_bundle, vid);
+
+ /* Look at the output ports to check for destination selections. */
+
+ NL_ATTR_FOR_EACH (a, left, ctx->odp_actions->data,
+ ctx->odp_actions->size) {
+ enum ovs_action_attr type = nl_attr_type(a);
+ struct ofport_dpif *ofport;
+
+ if (type != OVS_ACTION_ATTR_OUTPUT) {
+ continue;
+ }
+
+ ofport = get_odp_port(ofproto, nl_attr_get_u32(a));
+ if (ofport && ofport->bundle) {
+ mirrors |= ofport->bundle->dst_mirrors;
+ }
+ }
- mirrors = in_bundle->src_mirrors | dst_mirrors;
if (!mirrors) {
return;
}
+ /* Restore the original packet before adding the mirror actions. */
+ ctx->flow = *orig_flow;
+
while (mirrors) {
struct ofmirror *m;
}
mirrors &= ~m->dup_mirrors;
+ ctx->mirrors |= m->dup_mirrors;
if (m->out) {
output_normal(ctx, m->out, vlan);
- } else if (eth_dst_may_rspan(ctx->flow.dl_dst)
+ } else if (eth_dst_may_rspan(orig_flow->dl_dst)
&& vlan != m->out_vlan) {
struct ofbundle *bundle;
}
}
+static void
+update_mirror_stats(struct ofproto_dpif *ofproto, mirror_mask_t mirrors,
+ uint64_t packets, uint64_t bytes)
+{
+ if (!mirrors) {
+ return;
+ }
+
+ for (; mirrors; mirrors &= mirrors - 1) {
+ struct ofmirror *m;
+
+ m = ofproto->mirrors[mirror_mask_ffs(mirrors) - 1];
+
+ if (!m) {
+ /* In normal circumstances 'm' will not be NULL. However,
+ * if mirrors are reconfigured, we can temporarily get out
+ * of sync in facet_revalidate(). We could "correct" the
+ * mirror list before reaching here, but doing that would
+ * not properly account the traffic stats we've currently
+ * accumulated for previous mirror configuration. */
+ continue;
+ }
+
+ m->packet_count += packets;
+ m->byte_count += bytes;
+ }
+}
+
/* A VM broadcasts a gratuitous ARP to indicate that it has resumed after
* migration. Older Citrix-patched Linux DomU used gratuitous ARP replies to
* indicate this; newer upstream kernels use gratuitous ARP requests. */
{
struct mac_entry *mac;
+ /* Don't learn the OFPP_NONE port. */
+ if (in_bundle == &ofpp_none_bundle) {
+ return;
+ }
+
if (!mac_learning_may_learn(ofproto->ml, flow->dl_src, vlan)) {
return;
}
}
}
-static struct ofport_dpif *
+static struct ofbundle *
lookup_input_bundle(struct ofproto_dpif *ofproto, uint16_t in_port, bool warn)
{
struct ofport_dpif *ofport;
+ /* Special-case OFPP_NONE, which a controller may use as the ingress
+ * port for traffic that it is sourcing. */
+ if (in_port == OFPP_NONE) {
+ return &ofpp_none_bundle;
+ }
+
/* Find the port and bundle for the received packet. */
ofport = get_ofp_port(ofproto, in_port);
if (ofport && ofport->bundle) {
- return ofport;
+ return ofport->bundle;
}
/* Odd. A few possible reasons here:
static void
xlate_normal(struct action_xlate_ctx *ctx)
{
- mirror_mask_t dst_mirrors = 0;
struct ofport_dpif *in_port;
struct ofbundle *in_bundle;
- struct ofbundle *out_bundle;
struct mac_entry *mac;
uint16_t vlan;
uint16_t vid;
ctx->has_normal = true;
- /* Obtain in_port from ctx->flow.in_port.
- *
- * lookup_input_bundle() also ensures that in_port belongs to a bundle. */
- in_port = lookup_input_bundle(ctx->ofproto, ctx->flow.in_port,
+ in_bundle = lookup_input_bundle(ctx->ofproto, ctx->flow.in_port,
ctx->packet != NULL);
- if (!in_port) {
+ if (!in_bundle) {
return;
}
- in_bundle = in_port->bundle;
+
+ /* We know 'in_port' exists unless it is "ofpp_none_bundle",
+ * since lookup_input_bundle() succeeded. */
+ in_port = get_ofp_port(ctx->ofproto, ctx->flow.in_port);
/* Drop malformed frames. */
if (ctx->flow.dl_type == htons(ETH_TYPE_VLAN) &&
vlan = input_vid_to_vlan(in_bundle, vid);
/* Check other admissibility requirements. */
- if (!is_admissible(ctx->ofproto, &ctx->flow, in_port, vlan, &ctx->tags)) {
- output_mirrors(ctx, vlan, in_bundle, 0);
+ if (in_port &&
+ !is_admissible(ctx->ofproto, &ctx->flow, in_port, vlan, &ctx->tags)) {
return;
}
/* Learn source MAC. */
- if (ctx->may_learn) {
+ if (ctx->may_learn_macs) {
update_learning_table(ctx->ofproto, &ctx->flow, vlan, in_bundle);
}
mac = mac_learning_lookup(ctx->ofproto->ml, ctx->flow.dl_dst, vlan,
&ctx->tags);
if (mac) {
- out_bundle = mac->port.p;
- } else if (!ctx->packet && !eth_addr_is_multicast(ctx->flow.dl_dst)) {
- /* If we are revalidating but don't have a learning entry then eject
- * the flow. Installing a flow that floods packets opens up a window
- * of time where we could learn from a packet reflected on a bond and
- * blackhole packets before the learning table is updated to reflect
- * the correct port. */
- ctx->may_set_up_flow = false;
- return;
+ if (mac->port.p != in_bundle) {
+ output_normal(ctx, mac->port.p, vlan);
+ }
} else {
- out_bundle = OFBUNDLE_FLOOD;
- }
+ struct ofbundle *bundle;
- /* Don't send packets out their input bundles. */
- if (in_bundle != out_bundle) {
- dst_mirrors = compose_dsts(ctx, vlan, in_bundle, out_bundle);
+ HMAP_FOR_EACH (bundle, hmap_node, &ctx->ofproto->bundles) {
+ if (bundle != in_bundle
+ && ofbundle_includes_vlan(bundle, vlan)
+ && bundle->floodable
+ && !bundle->mirror_out) {
+ output_normal(ctx, bundle, vlan);
+ }
+ }
+ ctx->nf_output_iface = NF_OUT_FLOOD;
}
- output_mirrors(ctx, vlan, in_bundle, dst_mirrors);
}
\f
/* Optimized flow revalidation.
/* Calculates the tag to use for 'flow' and wildcards 'wc' when it is inserted
* into an OpenFlow table with the given 'basis'. */
-static uint32_t
+static tag_type
rule_calculate_tag(const struct flow *flow, const struct flow_wildcards *wc,
uint32_t secret)
{
ofproto->max_ports);
if (!error) {
struct odputil_keybuf keybuf;
- struct action_xlate_ctx ctx;
struct ofpbuf *odp_actions;
+ struct ofproto_push push;
struct ofpbuf key;
ofpbuf_use_stack(&key, &keybuf, sizeof keybuf);
odp_flow_key_from_flow(&key, flow);
- action_xlate_ctx_init(&ctx, ofproto, flow, packet);
- odp_actions = xlate_actions(&ctx, ofp_actions, n_ofp_actions);
+ action_xlate_ctx_init(&push.ctx, ofproto, flow, flow->vlan_tci, 0,
+ packet);
+
+ /* Ensure that resubmits in 'ofp_actions' get accounted to their
+ * matching rules. */
+ push.packets = 1;
+ push.bytes = packet->size;
+ push.used = time_msec();
+ push.ctx.resubmit_hook = push_resubmit;
+
+ odp_actions = xlate_actions(&push.ctx, ofp_actions, n_ofp_actions);
dpif_execute(ofproto->dpif, key.data, key.size,
odp_actions->data, odp_actions->size, packet);
ofpbuf_delete(odp_actions);
if (subfacet->installed) {
struct dpif_flow_stats stats;
- subfacet_install(ofproto, subfacet, facet->actions,
- facet->actions_len, &stats);
+ subfacet_install(ofproto, subfacet, subfacet->actions,
+ subfacet->actions_len, &stats);
subfacet_update_stats(ofproto, subfacet, &stats);
}
}
static struct ofproto_dpif *
ofproto_dpif_lookup(const char *name)
{
- struct ofproto *ofproto = ofproto_lookup(name);
- return (ofproto && ofproto->ofproto_class == &ofproto_dpif_class
- ? ofproto_dpif_cast(ofproto)
- : NULL);
+ struct ofproto_dpif *ofproto;
+
+ HMAP_FOR_EACH_WITH_HASH (ofproto, all_ofproto_dpifs_node,
+ hash_string(name, 0), &all_ofproto_dpifs) {
+ if (!strcmp(ofproto->up.name, name)) {
+ return ofproto;
+ }
+ }
+ return NULL;
}
static void
-ofproto_unixctl_fdb_flush(struct unixctl_conn *conn,
- const char *args, void *aux OVS_UNUSED)
+ofproto_unixctl_fdb_flush(struct unixctl_conn *conn, int argc,
+ const char *argv[], void *aux OVS_UNUSED)
{
- const struct ofproto_dpif *ofproto;
+ struct ofproto_dpif *ofproto;
- ofproto = ofproto_dpif_lookup(args);
- if (!ofproto) {
- unixctl_command_reply(conn, 501, "no such bridge");
- return;
+ if (argc > 1) {
+ ofproto = ofproto_dpif_lookup(argv[1]);
+ if (!ofproto) {
+ unixctl_command_reply(conn, 501, "no such bridge");
+ return;
+ }
+ mac_learning_flush(ofproto->ml);
+ ofproto->need_revalidate = true;
+ } else {
+ HMAP_FOR_EACH (ofproto, all_ofproto_dpifs_node, &all_ofproto_dpifs) {
+ mac_learning_flush(ofproto->ml);
+ ofproto->need_revalidate = true;
+ }
}
- mac_learning_flush(ofproto->ml);
unixctl_command_reply(conn, 200, "table successfully flushed");
}
static void
-ofproto_unixctl_fdb_show(struct unixctl_conn *conn,
- const char *args, void *aux OVS_UNUSED)
+ofproto_unixctl_fdb_show(struct unixctl_conn *conn, int argc OVS_UNUSED,
+ const char *argv[], void *aux OVS_UNUSED)
{
struct ds ds = DS_EMPTY_INITIALIZER;
const struct ofproto_dpif *ofproto;
const struct mac_entry *e;
- ofproto = ofproto_dpif_lookup(args);
+ ofproto = ofproto_dpif_lookup(argv[1]);
if (!ofproto) {
unixctl_command_reply(conn, 501, "no such bridge");
return;
struct ofbundle *bundle = e->port.p;
ds_put_format(&ds, "%5d %4d "ETH_ADDR_FMT" %3d\n",
ofbundle_get_a_port(bundle)->odp_port,
- e->vlan, ETH_ADDR_ARGS(e->mac), mac_entry_age(e));
+ e->vlan, ETH_ADDR_ARGS(e->mac),
+ mac_entry_age(ofproto->ml, e));
}
unixctl_command_reply(conn, 200, ds_cstr(&ds));
ds_destroy(&ds);
}
static void
-ofproto_unixctl_trace(struct unixctl_conn *conn, const char *args_,
+ofproto_unixctl_trace(struct unixctl_conn *conn, int argc, const char *argv[],
void *aux OVS_UNUSED)
{
- char *dpname, *arg1, *arg2, *arg3, *arg4;
- char *args = xstrdup(args_);
- char *save_ptr = NULL;
+ const char *dpname = argv[1];
struct ofproto_dpif *ofproto;
struct ofpbuf odp_key;
struct ofpbuf *packet;
struct rule_dpif *rule;
+ ovs_be16 initial_tci;
struct ds result;
struct flow flow;
char *s;
ofpbuf_init(&odp_key, 0);
ds_init(&result);
- dpname = strtok_r(args, " ", &save_ptr);
- arg1 = strtok_r(NULL, " ", &save_ptr);
- arg2 = strtok_r(NULL, " ", &save_ptr);
- arg3 = strtok_r(NULL, " ", &save_ptr);
- arg4 = strtok_r(NULL, "", &save_ptr); /* Get entire rest of line. */
- if (dpname && arg1 && (!arg2 || !strcmp(arg2, "-generate")) && !arg3) {
+ ofproto = ofproto_dpif_lookup(dpname);
+ if (!ofproto) {
+ unixctl_command_reply(conn, 501, "Unknown ofproto (use ofproto/list "
+ "for help)");
+ goto exit;
+ }
+ if (argc == 3 || (argc == 4 && !strcmp(argv[3], "-generate"))) {
/* ofproto/trace dpname flow [-generate] */
+ const char *flow_s = argv[2];
+ const char *generate_s = argv[3];
int error;
/* Convert string to datapath key. */
ofpbuf_init(&odp_key, 0);
- error = odp_flow_key_from_string(arg1, NULL, &odp_key);
+ error = odp_flow_key_from_string(flow_s, NULL, &odp_key);
if (error) {
unixctl_command_reply(conn, 501, "Bad flow syntax");
goto exit;
}
/* Convert odp_key to flow. */
- error = odp_flow_key_to_flow(odp_key.data, odp_key.size, &flow);
- if (error) {
+ error = ofproto_dpif_extract_flow_key(ofproto, odp_key.data,
+ odp_key.size, &flow,
+ &initial_tci, NULL);
+ if (error == ODP_FIT_ERROR) {
unixctl_command_reply(conn, 501, "Invalid flow");
goto exit;
}
/* Generate a packet, if requested. */
- if (arg2) {
+ if (generate_s) {
packet = ofpbuf_new(0);
flow_compose(packet, &flow);
}
- } else if (dpname && arg1 && arg2 && arg3 && arg4) {
+ } else if (argc == 6) {
/* ofproto/trace dpname priority tun_id in_port packet */
- uint16_t in_port;
- ovs_be64 tun_id;
- uint32_t priority;
-
- priority = atoi(arg1);
- tun_id = htonll(strtoull(arg2, NULL, 0));
- in_port = ofp_port_to_odp_port(atoi(arg3));
-
- packet = ofpbuf_new(strlen(args) / 2);
- arg4 = ofpbuf_put_hex(packet, arg4, NULL);
- arg4 += strspn(arg4, " ");
- if (*arg4 != '\0') {
- unixctl_command_reply(conn, 501, "Trailing garbage in command");
- goto exit;
- }
- if (packet->size < ETH_HEADER_LEN) {
- unixctl_command_reply(conn, 501,
- "Packet data too short for Ethernet");
+ const char *priority_s = argv[2];
+ const char *tun_id_s = argv[3];
+ const char *in_port_s = argv[4];
+ const char *packet_s = argv[5];
+ uint16_t in_port = ofp_port_to_odp_port(atoi(in_port_s));
+ ovs_be64 tun_id = htonll(strtoull(tun_id_s, NULL, 0));
+ uint32_t priority = atoi(priority_s);
+ const char *msg;
+
+ msg = eth_from_hex(packet_s, &packet);
+ if (msg) {
+ unixctl_command_reply(conn, 501, msg);
goto exit;
}
ds_put_cstr(&result, "Packet: ");
- s = ofp_packet_to_string(packet->data, packet->size, packet->size);
+ s = ofp_packet_to_string(packet->data, packet->size);
ds_put_cstr(&result, s);
free(s);
flow_extract(packet, priority, tun_id, in_port, &flow);
+ initial_tci = flow.vlan_tci;
} else {
unixctl_command_reply(conn, 501, "Bad command syntax");
goto exit;
}
- ofproto = ofproto_dpif_lookup(dpname);
- if (!ofproto) {
- unixctl_command_reply(conn, 501, "Unknown ofproto (use ofproto/list "
- "for help)");
- goto exit;
- }
-
ds_put_cstr(&result, "Flow: ");
flow_format(&result, &flow);
ds_put_char(&result, '\n');
trace.result = &result;
trace.flow = flow;
- action_xlate_ctx_init(&trace.ctx, ofproto, &flow, packet);
+ action_xlate_ctx_init(&trace.ctx, ofproto, &flow, initial_tci,
+ rule->up.flow_cookie, packet);
trace.ctx.resubmit_hook = trace_resubmit;
odp_actions = xlate_actions(&trace.ctx,
rule->up.actions, rule->up.n_actions);
ds_destroy(&result);
ofpbuf_delete(packet);
ofpbuf_uninit(&odp_key);
- free(args);
}
static void
-ofproto_dpif_clog(struct unixctl_conn *conn OVS_UNUSED,
- const char *args_ OVS_UNUSED, void *aux OVS_UNUSED)
+ofproto_dpif_clog(struct unixctl_conn *conn OVS_UNUSED, int argc OVS_UNUSED,
+ const char *argv[] OVS_UNUSED, void *aux OVS_UNUSED)
{
clogged = true;
unixctl_command_reply(conn, 200, NULL);
}
static void
-ofproto_dpif_unclog(struct unixctl_conn *conn OVS_UNUSED,
- const char *args_ OVS_UNUSED, void *aux OVS_UNUSED)
+ofproto_dpif_unclog(struct unixctl_conn *conn OVS_UNUSED, int argc OVS_UNUSED,
+ const char *argv[] OVS_UNUSED, void *aux OVS_UNUSED)
{
clogged = false;
unixctl_command_reply(conn, 200, NULL);
}
registered = true;
- unixctl_command_register("ofproto/trace",
- "bridge {tun_id in_port packet | odp_flow [-generate]}",
- ofproto_unixctl_trace, NULL);
- unixctl_command_register("fdb/flush", "bridge", ofproto_unixctl_fdb_flush,
- NULL);
- unixctl_command_register("fdb/show", "bridge", ofproto_unixctl_fdb_show,
- NULL);
- unixctl_command_register("ofproto/clog", "", ofproto_dpif_clog, NULL);
- unixctl_command_register("ofproto/unclog", "", ofproto_dpif_unclog, NULL);
+ unixctl_command_register(
+ "ofproto/trace",
+ "bridge {tun_id in_port packet | odp_flow [-generate]}",
+ 2, 5, ofproto_unixctl_trace, NULL);
+ unixctl_command_register("fdb/flush", "[bridge]", 0, 1,
+ ofproto_unixctl_fdb_flush, NULL);
+ unixctl_command_register("fdb/show", "bridge", 1, 1,
+ ofproto_unixctl_fdb_show, NULL);
+ unixctl_command_register("ofproto/clog", "", 0, 0,
+ ofproto_dpif_clog, NULL);
+ unixctl_command_register("ofproto/unclog", "", 0, 0,
+ ofproto_dpif_unclog, NULL);
+}
+\f
+/* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
+ *
+ * This is deprecated. It is only for compatibility with broken device drivers
+ * in old versions of Linux that do not properly support VLANs when VLAN
+ * devices are not used. When broken device drivers are no longer in
+ * widespread use, we will delete these interfaces. */
+
+static int
+set_realdev(struct ofport *ofport_, uint16_t realdev_ofp_port, int vid)
+{
+ struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport_->ofproto);
+ struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
+
+ if (realdev_ofp_port == ofport->realdev_ofp_port
+ && vid == ofport->vlandev_vid) {
+ return 0;
+ }
+
+ ofproto->need_revalidate = true;
+
+ if (ofport->realdev_ofp_port) {
+ vsp_remove(ofport);
+ }
+ if (realdev_ofp_port && ofport->bundle) {
+ /* vlandevs are enslaved to their realdevs, so they are not allowed to
+ * themselves be part of a bundle. */
+ bundle_set(ofport->up.ofproto, ofport->bundle, NULL);
+ }
+
+ ofport->realdev_ofp_port = realdev_ofp_port;
+ ofport->vlandev_vid = vid;
+
+ if (realdev_ofp_port) {
+ vsp_add(ofport, realdev_ofp_port, vid);
+ }
+
+ return 0;
+}
+
+static uint32_t
+hash_realdev_vid(uint16_t realdev_ofp_port, int vid)
+{
+ return hash_2words(realdev_ofp_port, vid);
+}
+
+static uint32_t
+vsp_realdev_to_vlandev(const struct ofproto_dpif *ofproto,
+ uint32_t realdev_odp_port, ovs_be16 vlan_tci)
+{
+ if (!hmap_is_empty(&ofproto->realdev_vid_map)) {
+ uint16_t realdev_ofp_port = odp_port_to_ofp_port(realdev_odp_port);
+ int vid = vlan_tci_to_vid(vlan_tci);
+ const struct vlan_splinter *vsp;
+
+ HMAP_FOR_EACH_WITH_HASH (vsp, realdev_vid_node,
+ hash_realdev_vid(realdev_ofp_port, vid),
+ &ofproto->realdev_vid_map) {
+ if (vsp->realdev_ofp_port == realdev_ofp_port
+ && vsp->vid == vid) {
+ return ofp_port_to_odp_port(vsp->vlandev_ofp_port);
+ }
+ }
+ }
+ return realdev_odp_port;
+}
+
+static struct vlan_splinter *
+vlandev_find(const struct ofproto_dpif *ofproto, uint16_t vlandev_ofp_port)
+{
+ struct vlan_splinter *vsp;
+
+ HMAP_FOR_EACH_WITH_HASH (vsp, vlandev_node, hash_int(vlandev_ofp_port, 0),
+ &ofproto->vlandev_map) {
+ if (vsp->vlandev_ofp_port == vlandev_ofp_port) {
+ return vsp;
+ }
+ }
+
+ return NULL;
+}
+
+static uint16_t
+vsp_vlandev_to_realdev(const struct ofproto_dpif *ofproto,
+ uint16_t vlandev_ofp_port, int *vid)
+{
+ if (!hmap_is_empty(&ofproto->vlandev_map)) {
+ const struct vlan_splinter *vsp;
+
+ vsp = vlandev_find(ofproto, vlandev_ofp_port);
+ if (vsp) {
+ if (vid) {
+ *vid = vsp->vid;
+ }
+ return vsp->realdev_ofp_port;
+ }
+ }
+ return 0;
+}
+
+static void
+vsp_remove(struct ofport_dpif *port)
+{
+ struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
+ struct vlan_splinter *vsp;
+
+ vsp = vlandev_find(ofproto, port->up.ofp_port);
+ if (vsp) {
+ hmap_remove(&ofproto->vlandev_map, &vsp->vlandev_node);
+ hmap_remove(&ofproto->realdev_vid_map, &vsp->realdev_vid_node);
+ free(vsp);
+
+ port->realdev_ofp_port = 0;
+ } else {
+ VLOG_ERR("missing vlan device record");
+ }
+}
+
+static void
+vsp_add(struct ofport_dpif *port, uint16_t realdev_ofp_port, int vid)
+{
+ struct ofproto_dpif *ofproto = ofproto_dpif_cast(port->up.ofproto);
+
+ if (!vsp_vlandev_to_realdev(ofproto, port->up.ofp_port, NULL)
+ && (vsp_realdev_to_vlandev(ofproto, realdev_ofp_port, htons(vid))
+ == realdev_ofp_port)) {
+ struct vlan_splinter *vsp;
+
+ vsp = xmalloc(sizeof *vsp);
+ hmap_insert(&ofproto->vlandev_map, &vsp->vlandev_node,
+ hash_int(port->up.ofp_port, 0));
+ hmap_insert(&ofproto->realdev_vid_map, &vsp->realdev_vid_node,
+ hash_realdev_vid(realdev_ofp_port, vid));
+ vsp->realdev_ofp_port = realdev_ofp_port;
+ vsp->vlandev_ofp_port = port->up.ofp_port;
+ vsp->vid = vid;
+
+ port->realdev_ofp_port = realdev_ofp_port;
+ } else {
+ VLOG_ERR("duplicate vlan device record");
+ }
}
\f
const struct ofproto_class ofproto_dpif_class = {
destruct,
dealloc,
run,
+ run_fast,
wait,
flush,
get_features,
port_query_by_name,
port_add,
port_del,
+ port_get_stats,
port_dump_start,
port_dump_next,
port_dump_done,
bundle_set,
bundle_remove,
mirror_set,
+ mirror_get_stats,
set_flood_vlans,
is_mirror_output_bundle,
forward_bpdu_changed,
+ set_mac_idle_time,
+ set_realdev,
};
git://git.onelab.eu / sliver-openvswitch.git / blobdiff