#include <config.h>
-#include "ofproto/private.h"
+#include "ofproto/ofproto-provider.h"
#include <errno.h>
#include "autopath.h"
#include "bond.h"
+#include "bundle.h"
#include "byte-order.h"
#include "connmgr.h"
#include "coverage.h"
#include "ofp-util.h"
#include "ofpbuf.h"
#include "ofp-print.h"
-#include "ofproto-sflow.h"
+#include "ofproto-dpif-sflow.h"
#include "poll-loop.h"
#include "timer.h"
#include "unaligned.h"
* reason to look at them. */
int recurse; /* Recursion level, via xlate_table_action. */
- int last_pop_priority; /* Offset in 'odp_actions' just past most
- * recent ODP_ACTION_ATTR_SET_PRIORITY. */
+ uint32_t priority; /* Current flow priority. 0 if none. */
+ struct flow base_flow; /* Flow at the last commit. */
+ uint32_t base_priority; /* Priority at the last commit. */
};
static void action_xlate_ctx_init(struct action_xlate_ctx *,
long long int used);
static void facet_update_stats(struct ofproto_dpif *, struct facet *,
const struct dpif_flow_stats *);
+static void facet_reset_dp_stats(struct facet *, struct dpif_flow_stats *);
static void facet_push_stats(struct facet *);
static void facet_account(struct ofproto_dpif *, struct facet *,
uint64_t extra_bytes);
struct cfm *cfm; /* Connectivity Fault Management, if any. */
tag_type tag; /* Tag associated with this port. */
uint32_t bond_stable_id; /* stable_id to use as bond slave, or 0. */
+ bool may_enable; /* May be enabled in bonds. */
};
static struct ofport_dpif *
static void port_wait(struct ofport_dpif *);
static int set_cfm(struct ofport *, const struct cfm_settings *);
+struct dpif_completion {
+ struct list list_node;
+ struct ofoperation *op;
+};
+
struct ofproto_dpif {
struct ofproto up;
struct dpif *dpif;
/* Bridging. */
struct netflow *netflow;
- struct ofproto_sflow *sflow;
+ struct dpif_sflow *sflow;
struct hmap bundles; /* Contains "struct ofbundle"s. */
struct mac_learning *ml;
struct ofmirror *mirrors[MAX_MIRRORS];
struct hmap facets;
bool need_revalidate;
struct tag_set revalidate_set;
+
+ /* Support for debugging async flow mods. */
+ struct list completions;
+
+ bool has_bundle_action; /* True when the first bundle action appears. */
};
+/* Defer flow mod completion until "ovs-appctl ofproto/unclog"? (Useful only
+ * for debugging the asynchronous flow_mod implementation.) */
+static bool clogged;
+
static void ofproto_dpif_unixctl_init(void);
static struct ofproto_dpif *
ofproto->need_revalidate = false;
tag_set_init(&ofproto->revalidate_set);
+ list_init(&ofproto->completions);
+
ofproto->up.tables = xmalloc(sizeof *ofproto->up.tables);
classifier_init(&ofproto->up.tables[0]);
ofproto->up.n_tables = 1;
ofproto_dpif_unixctl_init();
+ ofproto->has_bundle_action = false;
+
return 0;
}
+static void
+complete_operations(struct ofproto_dpif *ofproto)
+{
+ struct dpif_completion *c, *next;
+
+ LIST_FOR_EACH_SAFE (c, next, list_node, &ofproto->completions) {
+ ofoperation_complete(c->op, 0);
+ list_remove(&c->list_node);
+ free(c);
+ }
+}
+
static void
destruct(struct ofproto *ofproto_)
{
struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
+ struct rule_dpif *rule, *next_rule;
+ struct cls_cursor cursor;
int i;
+ complete_operations(ofproto);
+
+ cls_cursor_init(&cursor, &ofproto->up.tables[0], NULL);
+ CLS_CURSOR_FOR_EACH_SAFE (rule, next_rule, up.cr, &cursor) {
+ ofproto_rule_destroy(&rule->up);
+ }
+
for (i = 0; i < MAX_MIRRORS; i++) {
mirror_destroy(ofproto->mirrors[i]);
}
netflow_destroy(ofproto->netflow);
- ofproto_sflow_destroy(ofproto->sflow);
+ dpif_sflow_destroy(ofproto->sflow);
hmap_destroy(&ofproto->bundles);
mac_learning_destroy(ofproto->ml);
struct ofbundle *bundle;
int i;
+ if (!clogged) {
+ complete_operations(ofproto);
+ }
dpif_run(ofproto->dpif);
for (i = 0; i < 50; i++) {
netflow_run(ofproto->netflow);
}
if (ofproto->sflow) {
- ofproto_sflow_run(ofproto->sflow);
+ dpif_sflow_run(ofproto->sflow);
}
HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) {
struct ofport_dpif *ofport;
struct ofbundle *bundle;
+ if (!clogged && !list_is_empty(&ofproto->completions)) {
+ poll_immediate_wake();
+ }
+
dpif_wait(ofproto->dpif);
dpif_recv_wait(ofproto->dpif);
if (ofproto->sflow) {
- ofproto_sflow_wait(ofproto->sflow);
+ dpif_sflow_wait(ofproto->sflow);
}
if (!tag_set_is_empty(&ofproto->revalidate_set)) {
poll_immediate_wake();
port->bundle = NULL;
port->cfm = NULL;
port->tag = tag_create_random();
+ port->may_enable = true;
if (ofproto->sflow) {
- ofproto_sflow_add_port(ofproto->sflow, port->odp_port,
- netdev_get_name(port->up.netdev));
+ dpif_sflow_add_port(ofproto->sflow, port->odp_port,
+ netdev_get_name(port->up.netdev));
}
return 0;
bundle_remove(port_);
set_cfm(port_, NULL);
if (ofproto->sflow) {
- ofproto_sflow_del_port(ofproto->sflow, port->odp_port);
+ dpif_sflow_del_port(ofproto->sflow, port->odp_port);
}
}
const struct ofproto_sflow_options *sflow_options)
{
struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
- struct ofproto_sflow *os = ofproto->sflow;
+ struct dpif_sflow *ds = ofproto->sflow;
if (sflow_options) {
- if (!os) {
+ if (!ds) {
struct ofport_dpif *ofport;
- os = ofproto->sflow = ofproto_sflow_create(ofproto->dpif);
+ ds = ofproto->sflow = dpif_sflow_create(ofproto->dpif);
HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) {
- ofproto_sflow_add_port(os, ofport->odp_port,
- netdev_get_name(ofport->up.netdev));
+ dpif_sflow_add_port(ds, ofport->odp_port,
+ netdev_get_name(ofport->up.netdev));
}
}
- ofproto_sflow_set_options(os, sflow_options);
+ dpif_sflow_set_options(ds, sflow_options);
} else {
- ofproto_sflow_destroy(os);
+ dpif_sflow_destroy(ds);
ofproto->sflow = NULL;
}
return 0;
error = 0;
} else {
if (!ofport->cfm) {
- ofport->cfm = cfm_create();
+ ofport->cfm = cfm_create(netdev_get_name(ofport->up.netdev));
}
if (cfm_configure(ofport->cfm, s)) {
struct ofport_dpif *port;
LIST_FOR_EACH (port, bundle_node, &bundle->ports) {
- bool may_enable = lacp_slave_may_enable(bundle->lacp, port);
- bond_slave_set_lacp_may_enable(bundle->bond, port, may_enable);
+ bond_slave_set_may_enable(bundle->bond, port, port->may_enable);
}
bond_run(bundle->bond, &bundle->ofproto->revalidate_set,
static void
port_run(struct ofport_dpif *ofport)
{
+ bool enable = netdev_get_carrier(ofport->up.netdev);
+
if (ofport->cfm) {
cfm_run(ofport->cfm);
if (cfm_should_send_ccm(ofport->cfm)) {
struct ofpbuf packet;
- struct ccm *ccm;
ofpbuf_init(&packet, 0);
- ccm = eth_compose(&packet, eth_addr_ccm, ofport->up.opp.hw_addr,
- ETH_TYPE_CFM, sizeof *ccm);
- cfm_compose_ccm(ofport->cfm, ccm);
+ cfm_compose_ccm(ofport->cfm, &packet, ofport->up.opp.hw_addr);
send_packet(ofproto_dpif_cast(ofport->up.ofproto),
ofport->odp_port, &packet);
ofpbuf_uninit(&packet);
}
+
+ enable = enable && !cfm_get_fault(ofport->cfm);
+ }
+
+ if (ofport->bundle) {
+ enable = enable && lacp_slave_may_enable(ofport->bundle->lacp, ofport);
}
+
+ if (ofport->may_enable != enable) {
+ struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
+
+ if (ofproto->has_bundle_action) {
+ ofproto->need_revalidate = true;
+ }
+ }
+
+ ofport->may_enable = enable;
}
static void
{
if (cfm_should_process_flow(flow)) {
struct ofport_dpif *ofport = get_ofp_port(ofproto, flow->in_port);
- if (ofport && ofport->cfm) {
+ if (packet && ofport && ofport->cfm) {
cfm_process_heartbeat(ofport->cfm, packet);
}
return true;
} else if (flow->dl_type == htons(ETH_TYPE_LACP)) {
struct ofport_dpif *port = get_ofp_port(ofproto, flow->in_port);
- if (port && port->bundle && port->bundle->lacp) {
+ if (packet && port && port->bundle && port->bundle->lacp) {
const struct lacp_pdu *pdu = parse_lacp_packet(packet);
if (pdu) {
lacp_process_pdu(port->bundle->lacp, port, pdu);
}
- return true;
}
+ return true;
}
return false;
}
case DPIF_UC_SAMPLE:
if (ofproto->sflow) {
odp_flow_key_to_flow(upcall->key, upcall->key_len, &flow);
- ofproto_sflow_received(ofproto->sflow, upcall, &flow);
+ dpif_sflow_received(ofproto->sflow, upcall, &flow);
}
ofpbuf_delete(upcall->packet);
break;
enum { BUCKET_WIDTH = ROUND_UP(100, TIME_UPDATE_INTERVAL) };
enum { N_BUCKETS = 5000 / BUCKET_WIDTH };
int buckets[N_BUCKETS] = { 0 };
+ int total, subtotal, bucket;
struct facet *facet;
- int total, bucket;
long long int now;
int i;
}
/* Find the first bucket whose flows should be expired. */
- for (bucket = 0; bucket < N_BUCKETS; bucket++) {
- if (buckets[bucket]) {
- int subtotal = 0;
- do {
- subtotal += buckets[bucket++];
- } while (bucket < N_BUCKETS && subtotal < MAX(1000, total / 100));
- break;
- }
- }
+ subtotal = bucket = 0;
+ do {
+ subtotal += buckets[bucket++];
+ } while (bucket < N_BUCKETS && subtotal < MAX(1000, total / 100));
if (VLOG_IS_DBG_ENABLED()) {
struct ds s;
return true;
} else {
+ struct odputil_keybuf keybuf;
+ struct ofpbuf key;
int error;
- error = dpif_execute(ofproto->dpif, odp_actions, actions_len, packet);
+ ofpbuf_use_stack(&key, &keybuf, sizeof keybuf);
+ odp_flow_key_from_flow(&key, flow);
+
+ error = dpif_execute(ofproto->dpif, key.data, key.size,
+ odp_actions, actions_len, packet);
+
ofpbuf_delete(packet);
return !error;
}
ofpbuf_delete(odp_actions);
}
+/* Updates 'facet''s flow in the datapath 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
+ * since 'facet' was last updated.
+ *
+ * Returns 0 if successful, otherwise a positive errno value.*/
static int
facet_put__(struct ofproto_dpif *ofproto, struct facet *facet,
const struct nlattr *actions, size_t actions_len,
struct odputil_keybuf keybuf;
enum dpif_flow_put_flags flags;
struct ofpbuf key;
+ int ret;
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);
- return dpif_flow_put(ofproto->dpif, flags, key.data, key.size,
- actions, actions_len, stats);
+ ret = dpif_flow_put(ofproto->dpif, flags, key.data, key.size,
+ actions, actions_len, stats);
+
+ if (stats) {
+ facet_reset_dp_stats(facet, stats);
+ }
+
+ return ret;
}
/* If 'facet' is installable, inserts or re-inserts it into 'p''s datapath. If
struct odputil_keybuf keybuf;
struct dpif_flow_stats stats;
struct ofpbuf key;
+ int error;
ofpbuf_use_stack(&key, &keybuf, sizeof keybuf);
odp_flow_key_from_flow(&key, &facet->flow);
- if (!dpif_flow_del(p->dpif, key.data, key.size, &stats)) {
+ error = dpif_flow_del(p->dpif, key.data, key.size, &stats);
+ facet_reset_dp_stats(facet, &stats);
+ if (!error) {
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);
htons(OFPP_CONTROLLER)));
}
+/* Resets 'facet''s datapath statistics counters. This should be called when
+ * 'facet''s statistics are cleared in the datapath. If 'stats' is non-null,
+ * it should contain the statistics returned by dpif when 'facet' was reset in
+ * the datapath. 'stats' will be modified to only included statistics new
+ * since 'facet' was last updated. */
+static void
+facet_reset_dp_stats(struct facet *facet, struct dpif_flow_stats *stats)
+{
+ if (stats && facet->dp_packet_count <= stats->n_packets
+ && facet->dp_byte_count <= stats->n_bytes) {
+ stats->n_packets -= facet->dp_packet_count;
+ stats->n_bytes -= facet->dp_byte_count;
+ }
+
+ facet->dp_packet_count = 0;
+ 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. All of
* 'facet''s statistics in the datapath should have been zeroed and folded into
flow)));
}
+static void
+complete_operation(struct rule_dpif *rule)
+{
+ struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto);
+
+ ofproto->need_revalidate = true;
+ if (clogged) {
+ struct dpif_completion *c = xmalloc(sizeof *c);
+ c->op = rule->up.pending;
+ list_push_back(&ofproto->completions, &c->list_node);
+ } else {
+ ofoperation_complete(rule->up.pending, 0);
+ }
+}
+
static struct rule *
rule_alloc(void)
{
{
struct rule_dpif *rule = rule_dpif_cast(rule_);
struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto);
- struct rule_dpif *old_rule;
+ struct rule_dpif *victim;
int error;
error = validate_actions(rule->up.actions, rule->up.n_actions,
return error;
}
- old_rule = rule_dpif_cast(rule_from_cls_rule(classifier_find_rule_exactly(
- &ofproto->up.tables[0],
- &rule->up.cr)));
- if (old_rule) {
- ofproto_rule_destroy(&old_rule->up);
- }
-
rule->used = rule->up.created;
rule->packet_count = 0;
rule->byte_count = 0;
- list_init(&rule->facets);
- classifier_insert(&ofproto->up.tables[0], &rule->up.cr);
- ofproto->need_revalidate = true;
+ victim = rule_dpif_cast(ofoperation_get_victim(rule->up.pending));
+ if (victim && !list_is_empty(&victim->facets)) {
+ struct facet *facet;
+
+ rule->facets = victim->facets;
+ list_moved(&rule->facets);
+ LIST_FOR_EACH (facet, list_node, &rule->facets) {
+ facet->rule = rule;
+ }
+ } else {
+ /* Must avoid list_moved() in this case. */
+ list_init(&rule->facets);
+ }
+ complete_operation(rule);
return 0;
}
struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto);
struct facet *facet, *next_facet;
- classifier_remove(&ofproto->up.tables[0], &rule->up.cr);
LIST_FOR_EACH_SAFE (facet, next_facet, list_node, &rule->facets) {
facet_revalidate(ofproto, facet);
}
- ofproto->need_revalidate = true;
+
+ complete_operation(rule);
}
static void
return 0;
}
-static int
-rule_modify_actions(struct rule *rule_,
- const union ofp_action *actions, size_t n_actions)
+static void
+rule_modify_actions(struct rule *rule_)
{
struct rule_dpif *rule = rule_dpif_cast(rule_);
struct ofproto_dpif *ofproto = ofproto_dpif_cast(rule->up.ofproto);
int error;
- error = validate_actions(actions, n_actions, &rule->up.cr.flow,
- ofproto->max_ports);
- if (!error) {
- ofproto->need_revalidate = true;
+ error = validate_actions(rule->up.actions, rule->up.n_actions,
+ &rule->up.cr.flow, ofproto->max_ports);
+ if (error) {
+ ofoperation_complete(rule->up.pending, error);
+ return;
}
- return error;
+
+ complete_operation(rule);
}
\f
/* Sends 'packet' out of port 'odp_port' within 'p'.
send_packet(struct ofproto_dpif *ofproto, uint32_t odp_port,
const struct ofpbuf *packet)
{
- struct ofpbuf odp_actions;
+ struct ofpbuf key, odp_actions;
+ struct odputil_keybuf keybuf;
+ struct flow flow;
int error;
+ flow_extract((struct ofpbuf *) packet, 0, 0, &flow);
+ ofpbuf_use_stack(&key, &keybuf, sizeof keybuf);
+ odp_flow_key_from_flow(&key, &flow);
+
ofpbuf_init(&odp_actions, 32);
nl_msg_put_u32(&odp_actions, ODP_ACTION_ATTR_OUTPUT, odp_port);
- error = dpif_execute(ofproto->dpif, odp_actions.data, odp_actions.size,
+ error = dpif_execute(ofproto->dpif,
+ key.data, key.size,
+ odp_actions.data, odp_actions.size,
packet);
ofpbuf_uninit(&odp_actions);
static void do_xlate_actions(const union ofp_action *in, size_t n_in,
struct action_xlate_ctx *ctx);
-static bool xlate_normal(struct action_xlate_ctx *);
+static void xlate_normal(struct action_xlate_ctx *);
+
+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;
+
+ if (base->tun_id != flow->tun_id) {
+ nl_msg_put_be64(odp_actions, ODP_ACTION_ATTR_SET_TUNNEL, flow->tun_id);
+ base->tun_id = flow->tun_id;
+ }
+
+ if (base->nw_src != flow->nw_src) {
+ nl_msg_put_be32(odp_actions, ODP_ACTION_ATTR_SET_NW_SRC, flow->nw_src);
+ base->nw_src = flow->nw_src;
+ }
+
+ if (base->nw_dst != flow->nw_dst) {
+ nl_msg_put_be32(odp_actions, ODP_ACTION_ATTR_SET_NW_DST, flow->nw_dst);
+ base->nw_dst = flow->nw_dst;
+ }
+
+ if (base->nw_tos != flow->nw_tos) {
+ nl_msg_put_u8(odp_actions, ODP_ACTION_ATTR_SET_NW_TOS, flow->nw_tos);
+ base->nw_tos = flow->nw_tos;
+ }
+
+ if (base->vlan_tci != flow->vlan_tci) {
+ if (!(flow->vlan_tci & htons(VLAN_CFI))) {
+ nl_msg_put_flag(odp_actions, ODP_ACTION_ATTR_STRIP_VLAN);
+ } else {
+ nl_msg_put_be16(odp_actions, ODP_ACTION_ATTR_SET_DL_TCI,
+ flow->vlan_tci & ~htons(VLAN_CFI));
+ }
+ base->vlan_tci = flow->vlan_tci;
+ }
+
+ if (base->tp_src != flow->tp_src) {
+ nl_msg_put_be16(odp_actions, ODP_ACTION_ATTR_SET_TP_SRC, flow->tp_src);
+ base->tp_src = flow->tp_src;
+ }
+
+ if (base->tp_dst != flow->tp_dst) {
+ nl_msg_put_be16(odp_actions, ODP_ACTION_ATTR_SET_TP_DST, flow->tp_dst);
+ base->tp_dst = flow->tp_dst;
+ }
+
+ if (!eth_addr_equals(base->dl_src, flow->dl_src)) {
+ nl_msg_put_unspec(odp_actions, ODP_ACTION_ATTR_SET_DL_SRC,
+ flow->dl_src, ETH_ADDR_LEN);
+ memcpy(base->dl_src, flow->dl_src, ETH_ADDR_LEN);
+ }
+
+ if (!eth_addr_equals(base->dl_dst, flow->dl_dst)) {
+ nl_msg_put_unspec(odp_actions, ODP_ACTION_ATTR_SET_DL_DST,
+ flow->dl_dst, ETH_ADDR_LEN);
+ memcpy(base->dl_dst, flow->dl_dst, ETH_ADDR_LEN);
+ }
+
+ if (ctx->base_priority != ctx->priority) {
+ if (ctx->priority) {
+ nl_msg_put_u32(odp_actions, ODP_ACTION_ATTR_SET_PRIORITY,
+ ctx->priority);
+ } else {
+ nl_msg_put_flag(odp_actions, ODP_ACTION_ATTR_POP_PRIORITY);
+ }
+ ctx->base_priority = ctx->priority;
+ }
+}
static void
add_output_action(struct action_xlate_ctx *ctx, uint16_t ofp_port)
*/
}
+ commit_odp_actions(ctx);
nl_msg_put_u32(ctx->odp_actions, ODP_ACTION_ATTR_OUTPUT, odp_port);
ctx->nf_output_iface = ofp_port;
}
}
static void
-flood_packets(struct ofproto_dpif *ofproto,
- uint16_t ofp_in_port, ovs_be32 mask,
- uint16_t *nf_output_iface, struct ofpbuf *odp_actions)
+flood_packets(struct action_xlate_ctx *ctx, ovs_be32 mask)
{
struct ofport_dpif *ofport;
- HMAP_FOR_EACH (ofport, up.hmap_node, &ofproto->up.ports) {
+ commit_odp_actions(ctx);
+ HMAP_FOR_EACH (ofport, up.hmap_node, &ctx->ofproto->up.ports) {
uint16_t ofp_port = ofport->up.ofp_port;
- if (ofp_port != ofp_in_port && !(ofport->up.opp.config & mask)) {
- nl_msg_put_u32(odp_actions, ODP_ACTION_ATTR_OUTPUT,
+ if (ofp_port != ctx->flow.in_port && !(ofport->up.opp.config & mask)) {
+ nl_msg_put_u32(ctx->odp_actions, ODP_ACTION_ATTR_OUTPUT,
ofport->odp_port);
}
}
- *nf_output_iface = NF_OUT_FLOOD;
+
+ ctx->nf_output_iface = NF_OUT_FLOOD;
}
static void
xlate_normal(ctx);
break;
case OFPP_FLOOD:
- flood_packets(ctx->ofproto, ctx->flow.in_port, htonl(OFPPC_NO_FLOOD),
- &ctx->nf_output_iface, ctx->odp_actions);
+ flood_packets(ctx, htonl(OFPPC_NO_FLOOD));
break;
case OFPP_ALL:
- flood_packets(ctx->ofproto, ctx->flow.in_port, htonl(0),
- &ctx->nf_output_iface, ctx->odp_actions);
+ flood_packets(ctx, htonl(0));
break;
case OFPP_CONTROLLER:
+ commit_odp_actions(ctx);
nl_msg_put_u64(ctx->odp_actions, ODP_ACTION_ATTR_CONTROLLER, max_len);
break;
case OFPP_LOCAL:
add_output_action(ctx, OFPP_LOCAL);
break;
+ case OFPP_NONE:
+ break;
default:
if (port != ctx->flow.in_port) {
add_output_action(ctx, port);
xlate_output_action__(ctx, ntohs(oao->port), ntohs(oao->max_len));
}
-/* If the final ODP action in 'ctx' is "pop priority", drop it, as an
- * optimization, because we're going to add another action that sets the
- * priority immediately after, or because there are no actions following the
- * pop. */
-static void
-remove_pop_action(struct action_xlate_ctx *ctx)
-{
- if (ctx->odp_actions->size == ctx->last_pop_priority) {
- ctx->odp_actions->size -= NLA_ALIGN(NLA_HDRLEN);
- ctx->last_pop_priority = -1;
- }
-}
-
-static void
-add_pop_action(struct action_xlate_ctx *ctx)
-{
- if (ctx->odp_actions->size != ctx->last_pop_priority) {
- nl_msg_put_flag(ctx->odp_actions, ODP_ACTION_ATTR_POP_PRIORITY);
- ctx->last_pop_priority = ctx->odp_actions->size;
- }
-}
-
static void
xlate_enqueue_action(struct action_xlate_ctx *ctx,
const struct ofp_action_enqueue *oae)
{
uint16_t ofp_port, odp_port;
- uint32_t priority;
+ uint32_t ctx_priority, priority;
int error;
error = dpif_queue_to_priority(ctx->ofproto->dpif, ntohl(oae->queue_id),
odp_port = ofp_port_to_odp_port(ofp_port);
/* Add ODP actions. */
- remove_pop_action(ctx);
- nl_msg_put_u32(ctx->odp_actions, ODP_ACTION_ATTR_SET_PRIORITY, priority);
+ ctx_priority = ctx->priority;
+ ctx->priority = priority;
add_output_action(ctx, odp_port);
- add_pop_action(ctx);
+ ctx->priority = ctx_priority;
/* Update NetFlow output port. */
if (ctx->nf_output_iface == NF_OUT_DROP) {
return;
}
- remove_pop_action(ctx);
- nl_msg_put_u32(ctx->odp_actions, ODP_ACTION_ATTR_SET_PRIORITY, priority);
-}
-
-static void
-xlate_set_dl_tci(struct action_xlate_ctx *ctx)
-{
- ovs_be16 tci = ctx->flow.vlan_tci;
- if (!(tci & htons(VLAN_CFI))) {
- nl_msg_put_flag(ctx->odp_actions, ODP_ACTION_ATTR_STRIP_VLAN);
- } else {
- nl_msg_put_be16(ctx->odp_actions, ODP_ACTION_ATTR_SET_DL_TCI,
- tci & ~htons(VLAN_CFI));
- }
+ ctx->priority = priority;
}
struct xlate_reg_state {
ovs_be64 tun_id;
};
-static void
-save_reg_state(const struct action_xlate_ctx *ctx,
- struct xlate_reg_state *state)
-{
- state->vlan_tci = ctx->flow.vlan_tci;
- state->tun_id = ctx->flow.tun_id;
-}
-
-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
xlate_autopath(struct action_xlate_ctx *ctx,
const struct nx_action_autopath *naa)
autopath_execute(naa, &ctx->flow, ofp_port);
}
-static void
-xlate_nicira_action(struct action_xlate_ctx *ctx,
- const struct nx_action_header *nah)
+static bool
+slave_enabled_cb(uint16_t ofp_port, void *ofproto_)
{
- 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;
- const struct nx_action_autopath *naa;
- 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_RESUBMIT:
- nar = (const struct nx_action_resubmit *) nah;
- xlate_table_action(ctx, ntohs(nar->in_port));
- break;
-
- case NXAST_SET_TUNNEL:
- nast = (const struct nx_action_set_tunnel *) nah;
- 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,
- ODP_ACTION_ATTR_DROP_SPOOFED_ARP);
- }
- break;
-
- case NXAST_SET_QUEUE:
- nasq = (const struct nx_action_set_queue *) nah;
- xlate_set_queue_action(ctx, nasq);
- break;
-
- case NXAST_POP_QUEUE:
- add_pop_action(ctx);
- break;
-
- case NXAST_REG_MOVE:
- 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;
-
- case NXAST_AUTOPATH:
- naa = (const struct nx_action_autopath *) nah;
- xlate_autopath(ctx, naa);
- 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. */
+ struct ofproto_dpif *ofproto = ofproto_;
+ struct ofport_dpif *port;
- case NXAST_SNAT__OBSOLETE:
+ switch (ofp_port) {
+ case OFPP_IN_PORT:
+ case OFPP_TABLE:
+ case OFPP_NORMAL:
+ case OFPP_FLOOD:
+ case OFPP_ALL:
+ case OFPP_LOCAL:
+ return true;
+ case OFPP_CONTROLLER: /* Not supported by the bundle action. */
+ return false;
default:
- VLOG_DBG_RL(&rl, "unknown Nicira action type %d", (int) subtype);
- break;
+ port = get_ofp_port(ofproto, ofp_port);
+ return port ? port->may_enable : false;
}
}
struct action_xlate_ctx *ctx)
{
const struct ofport_dpif *port;
- struct actions_iterator iter;
const union ofp_action *ia;
+ size_t left;
port = get_ofp_port(ctx->ofproto, ctx->flow.in_port);
if (port
return;
}
- for (ia = actions_first(&iter, in, n_in); ia; ia = actions_next(&iter)) {
- enum ofp_action_type type = ntohs(ia->type);
+ OFPUTIL_ACTION_FOR_EACH_UNSAFE (ia, left, in, n_in) {
const struct ofp_action_dl_addr *oada;
-
- switch (type) {
- case OFPAT_OUTPUT:
+ 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;
+ const struct nx_action_autopath *naa;
+ const struct nx_action_bundle *nab;
+ enum ofputil_action_code code;
+ ovs_be64 tun_id;
+
+ code = ofputil_decode_action_unsafe(ia);
+ switch (code) {
+ case OFPUTIL_OFPAT_OUTPUT:
xlate_output_action(ctx, &ia->output);
break;
- case OFPAT_SET_VLAN_VID:
+ case OFPUTIL_OFPAT_SET_VLAN_VID:
ctx->flow.vlan_tci &= ~htons(VLAN_VID_MASK);
ctx->flow.vlan_tci |= ia->vlan_vid.vlan_vid | htons(VLAN_CFI);
- xlate_set_dl_tci(ctx);
break;
- case OFPAT_SET_VLAN_PCP:
+ case OFPUTIL_OFPAT_SET_VLAN_PCP:
ctx->flow.vlan_tci &= ~htons(VLAN_PCP_MASK);
ctx->flow.vlan_tci |= htons(
(ia->vlan_pcp.vlan_pcp << VLAN_PCP_SHIFT) | VLAN_CFI);
- xlate_set_dl_tci(ctx);
break;
- case OFPAT_STRIP_VLAN:
+ case OFPUTIL_OFPAT_STRIP_VLAN:
ctx->flow.vlan_tci = htons(0);
- xlate_set_dl_tci(ctx);
break;
- case OFPAT_SET_DL_SRC:
+ case OFPUTIL_OFPAT_SET_DL_SRC:
oada = ((struct ofp_action_dl_addr *) ia);
- 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:
+ case OFPUTIL_OFPAT_SET_DL_DST:
oada = ((struct ofp_action_dl_addr *) ia);
- 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, ODP_ACTION_ATTR_SET_NW_SRC,
- ia->nw_addr.nw_addr);
+ case OFPUTIL_OFPAT_SET_NW_SRC:
ctx->flow.nw_src = ia->nw_addr.nw_addr;
break;
- case OFPAT_SET_NW_DST:
- nl_msg_put_be32(ctx->odp_actions, ODP_ACTION_ATTR_SET_NW_DST,
- ia->nw_addr.nw_addr);
+ case OFPUTIL_OFPAT_SET_NW_DST:
ctx->flow.nw_dst = ia->nw_addr.nw_addr;
break;
- case OFPAT_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;
+ case OFPUTIL_OFPAT_SET_NW_TOS:
+ ctx->flow.nw_tos = ia->nw_tos.nw_tos & IP_DSCP_MASK;
break;
- case OFPAT_SET_TP_SRC:
- nl_msg_put_be16(ctx->odp_actions, ODP_ACTION_ATTR_SET_TP_SRC,
- ia->tp_port.tp_port);
+ case OFPUTIL_OFPAT_SET_TP_SRC:
ctx->flow.tp_src = ia->tp_port.tp_port;
break;
- case OFPAT_SET_TP_DST:
- nl_msg_put_be16(ctx->odp_actions, ODP_ACTION_ATTR_SET_TP_DST,
- ia->tp_port.tp_port);
+ case OFPUTIL_OFPAT_SET_TP_DST:
ctx->flow.tp_dst = ia->tp_port.tp_port;
break;
- case OFPAT_VENDOR:
- xlate_nicira_action(ctx, (const struct nx_action_header *) ia);
+ case OFPUTIL_OFPAT_ENQUEUE:
+ xlate_enqueue_action(ctx, (const struct ofp_action_enqueue *) ia);
break;
- case OFPAT_ENQUEUE:
- xlate_enqueue_action(ctx, (const struct ofp_action_enqueue *) ia);
+ case OFPUTIL_NXAST_RESUBMIT:
+ nar = (const struct nx_action_resubmit *) ia;
+ xlate_table_action(ctx, ntohs(nar->in_port));
+ break;
+
+ case OFPUTIL_NXAST_SET_TUNNEL:
+ nast = (const struct nx_action_set_tunnel *) ia;
+ tun_id = htonll(ntohl(nast->tun_id));
+ ctx->flow.tun_id = tun_id;
+ break;
+
+ case OFPUTIL_NXAST_SET_QUEUE:
+ nasq = (const struct nx_action_set_queue *) ia;
+ xlate_set_queue_action(ctx, nasq);
+ break;
+
+ case OFPUTIL_NXAST_POP_QUEUE:
+ ctx->priority = 0;
+ break;
+
+ case OFPUTIL_NXAST_REG_MOVE:
+ nxm_execute_reg_move((const struct nx_action_reg_move *) ia,
+ &ctx->flow);
+ break;
+
+ case OFPUTIL_NXAST_REG_LOAD:
+ nxm_execute_reg_load((const struct nx_action_reg_load *) ia,
+ &ctx->flow);
+ break;
+
+ case OFPUTIL_NXAST_NOTE:
+ /* Nothing to do. */
break;
- default:
- VLOG_DBG_RL(&rl, "unknown action type %d", (int) type);
+ case OFPUTIL_NXAST_SET_TUNNEL64:
+ tun_id = ((const struct nx_action_set_tunnel64 *) ia)->tun_id;
+ ctx->flow.tun_id = tun_id;
+ break;
+
+ case OFPUTIL_NXAST_MULTIPATH:
+ nam = (const struct nx_action_multipath *) ia;
+ multipath_execute(nam, &ctx->flow);
+ break;
+
+ case OFPUTIL_NXAST_AUTOPATH:
+ naa = (const struct nx_action_autopath *) ia;
+ xlate_autopath(ctx, naa);
+ break;
+
+ case OFPUTIL_NXAST_BUNDLE:
+ ctx->ofproto->has_bundle_action = true;
+ nab = (const struct nx_action_bundle *) ia;
+ xlate_output_action__(ctx, bundle_execute(nab, &ctx->flow,
+ slave_enabled_cb,
+ ctx->ofproto), 0);
+ break;
+
+ case OFPUTIL_NXAST_BUNDLE_LOAD:
+ ctx->ofproto->has_bundle_action = true;
+ nab = (const struct nx_action_bundle *) ia;
+ bundle_execute_load(nab, &ctx->flow, slave_enabled_cb,
+ ctx->ofproto);
break;
}
}
ctx->may_set_up_flow = true;
ctx->nf_output_iface = NF_OUT_DROP;
ctx->recurse = 0;
- ctx->last_pop_priority = -1;
+ ctx->priority = 0;
+ ctx->base_priority = 0;
+ ctx->base_flow = ctx->flow;
if (process_special(ctx->ofproto, &ctx->flow, ctx->packet)) {
ctx->may_set_up_flow = false;
do_xlate_actions(in, n_in, ctx);
}
- remove_pop_action(ctx);
-
/* Check with in-band control to see if we're allowed to set up this
* flow. */
if (!connmgr_may_set_up_flow(ctx->ofproto->up.connmgr, &ctx->flow,
static bool
ofbundle_trunks_vlan(const struct ofbundle *bundle, uint16_t vlan)
{
- return bundle->vlan < 0 && vlan_bitmap_contains(bundle->trunks, vlan);
+ return (bundle->vlan < 0
+ && (!bundle->trunks || bitmap_is_set(bundle->trunks, vlan)));
}
static bool
static bool
vlan_is_mirrored(const struct ofmirror *m, int vlan)
{
- return vlan_bitmap_contains(m->vlans, vlan);
+ return !m->vlans || bitmap_is_set(m->vlans, vlan);
+}
+
+/* Returns true if a packet with Ethernet destination MAC 'dst' may be mirrored
+ * to a VLAN. In general most packets may be mirrored but we want to drop
+ * protocols that may confuse switches. */
+static bool
+eth_dst_may_rspan(const uint8_t dst[ETH_ADDR_LEN])
+{
+ /* If you change this function's behavior, please update corresponding
+ * documentation in vswitch.xml at the same time. */
+ if (dst[0] != 0x01) {
+ /* All the currently banned MACs happen to start with 01 currently, so
+ * this is a quick way to eliminate most of the good ones. */
+ } else {
+ if (eth_addr_is_reserved(dst)) {
+ /* Drop STP, IEEE pause frames, and other reserved protocols
+ * (01-80-c2-00-00-0x). */
+ return false;
+ }
+
+ if (dst[0] == 0x01 && dst[1] == 0x00 && dst[2] == 0x0c) {
+ /* Cisco OUI. */
+ if ((dst[3] & 0xfe) == 0xcc &&
+ (dst[4] & 0xfe) == 0xcc &&
+ (dst[5] & 0xfe) == 0xcc) {
+ /* Drop the following protocols plus others following the same
+ pattern:
+
+ CDP, VTP, DTP, PAgP (01-00-0c-cc-cc-cc)
+ Spanning Tree PVSTP+ (01-00-0c-cc-cc-cd)
+ STP Uplink Fast (01-00-0c-cd-cd-cd) */
+ return false;
+ }
+
+ if (!(dst[3] | dst[4] | dst[5])) {
+ /* Drop Inter Switch Link packets (01-00-0c-00-00-00). */
+ return false;
+ }
+ }
+ }
+ return true;
}
static void
&& !dst_is_duplicate(set, &dst)) {
dst_set_add(set, &dst);
}
- } else {
+ } else if (eth_dst_may_rspan(ctx->flow.dl_dst)) {
struct ofbundle *bundle;
HMAP_FOR_EACH (bundle, hmap_node, &ofproto->bundles) {
return true;
}
-/* If the composed actions may be applied to any packet in the given 'flow',
- * returns true. Otherwise, the actions should only be applied to 'packet', or
- * not at all, if 'packet' was NULL. */
-static bool
+static void
xlate_normal(struct action_xlate_ctx *ctx)
{
struct ofbundle *in_bundle;
* 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. */
- return false;
+ ctx->may_set_up_flow = false;
+ return;
} else {
out_bundle = OFBUNDLE_FLOOD;
}
if (in_bundle) {
compose_actions(ctx, vlan, in_bundle, out_bundle);
}
-
- return true;
}
\f
static bool
error = validate_actions(ofp_actions, n_ofp_actions, flow,
ofproto->max_ports);
if (!error) {
+ struct odputil_keybuf keybuf;
struct action_xlate_ctx ctx;
struct ofpbuf *odp_actions;
+ 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);
- dpif_execute(ofproto->dpif, odp_actions->data, odp_actions->size,
- packet);
+ dpif_execute(ofproto->dpif, key.data, key.size,
+ odp_actions->data, odp_actions->size, packet);
ofpbuf_delete(odp_actions);
}
return error;
ds_put_char_multiple(result, '\t', level);
ds_put_cstr(result, "OpenFlow ");
- ofp_print_actions(result, (const struct ofp_action_header *) rule->actions,
- rule->n_actions * sizeof *rule->actions);
+ ofp_print_actions(result, rule->actions, rule->n_actions);
ds_put_char(result, '\n');
}
free(args);
}
+static void
+ofproto_dpif_clog(struct unixctl_conn *conn OVS_UNUSED,
+ const char *args_ 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)
+{
+ clogged = false;
+ unixctl_command_reply(conn, 200, NULL);
+}
+
static void
ofproto_dpif_unixctl_init(void)
{
unixctl_command_register("ofproto/trace", ofproto_unixctl_trace, NULL);
unixctl_command_register("fdb/show", ofproto_unixctl_fdb_show, NULL);
+
+ unixctl_command_register("ofproto/clog", ofproto_dpif_clog, NULL);
+ unixctl_command_register("ofproto/unclog", ofproto_dpif_unclog, NULL);
}
\f
const struct ofproto_class ofproto_dpif_class = {
port_poll,
port_poll_wait,
port_is_lacp_current,
+ NULL, /* rule_choose_table */
rule_alloc,
rule_construct,
rule_destruct,
git://git.onelab.eu / sliver-openvswitch.git / blobdiff