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 *);
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.
*
static void action_xlate_ctx_init(struct action_xlate_ctx *,
struct ofproto_dpif *, const struct flow *,
- ovs_be16 initial_tci, const struct ofpbuf *);
+ 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);
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_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 *);
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;
}
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;
}
/* 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. */
pin.packet_len = packet->size;
pin.total_len = packet->size;
pin.reason = OFPR_NO_MATCH;
- pin.buffer_id = 0; /* not yet known */
- pin.send_len = 0; /* not used for flow table misses */
- flow_get_metadata(flow, &pin.fmd);
+ pin.table_id = 0;
+ pin.cookie = 0;
- /* Registers aren't meaningful on a miss. */
- memset(pin.fmd.reg_masks, 0, sizeof pin.fmd.reg_masks);
-
- connmgr_send_packet_in(ofproto->up.connmgr, &pin, flow);
-}
-
-/* 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. */
-static void
-send_packet_in_action(struct ofproto_dpif *ofproto, struct ofpbuf *packet,
- uint64_t userdata, const struct flow *flow)
-{
- struct ofputil_packet_in pin;
- struct user_action_cookie cookie;
-
- memcpy(&cookie, &userdata, sizeof(cookie));
-
- pin.packet = packet->data;
- pin.packet_len = packet->size;
- pin.total_len = packet->size;
- pin.reason = OFPR_ACTION;
pin.buffer_id = 0; /* not yet known */
- pin.send_len = cookie.data;
+ pin.send_len = 0; /* not used for flow table misses */
flow_get_metadata(flow, &pin.fmd);
- /* Metadata may not be accurate at this time. */
+ /* Registers aren't meaningful on a miss. */
memset(pin.fmd.reg_masks, 0, sizeof pin.fmd.reg_masks);
- pin.fmd.tun_id_mask = 0;
connmgr_send_packet_in(ofproto->up.connmgr, &pin, flow);
}
LIST_FOR_EACH_SAFE (packet, next_packet, list_node, &miss->packets) {
struct dpif_flow_stats stats;
+ struct flow_miss_op *op;
+ struct dpif_execute *execute;
- list_remove(&packet->list_node);
ofproto->n_matches++;
if (facet->rule->up.cr.priority == FAIL_OPEN_PRIORITY) {
subfacet_make_actions(ofproto, subfacet, packet);
}
- /* Credit statistics to subfacet for this packet. We must do this now
- * because execute_controller_action() below may destroy 'packet'. */
dpif_flow_stats_extract(&facet->flow, packet, &stats);
subfacet_update_stats(ofproto, subfacet, &stats);
- if (!execute_controller_action(ofproto, &facet->flow,
- subfacet->actions,
- subfacet->actions_len, packet)
- && subfacet->actions_len > 0) {
- struct flow_miss_op *op = &ops[(*n_ops)++];
- struct dpif_execute *execute = &op->dpif_op.execute;
-
- 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->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 (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) {
/* 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++) {
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
dpif_sflow_received(ofproto->sflow, upcall->packet, &flow,
&cookie);
}
- } else if (cookie.type == USER_ACTION_COOKIE_CONTROLLER) {
- COVERAGE_INC(ofproto_dpif_ctlr_action);
- send_packet_in_action(ofproto, upcall->packet, upcall->userdata,
- &flow);
} else {
VLOG_WARN_RL(&rl, "invalid user cookie : 0x%"PRIx64, upcall->userdata);
}
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)) {
free(facet);
}
-/* If the 'actions_len' bytes of actions in 'odp_actions' are just a single
- * OVS_ACTION_ATTR_USERSPACE action, executes it internally and returns true.
- * Otherwise, returns false without doing anything. */
-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);
- 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)) {
- ofpbuf_delete(packet);
- return true;
- }
-
ofpbuf_use_stack(&key, &keybuf, sizeof keybuf);
odp_flow_key_from_flow(&key, flow);
}
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;
struct action_xlate_ctx ctx;
action_xlate_ctx_init(&ctx, ofproto, &facet->flow,
- facet->flow.vlan_tci, NULL);
- ctx.may_learn = true;
+ 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));
}
}
facet_push_stats(facet);
- facet_account(ofproto, facet);
+ facet_account(ofproto, facet, false);
if (ofproto->netflow && !facet_is_controller_flow(facet)) {
struct ofexpired expired;
bool should_install;
action_xlate_ctx_init(&ctx, ofproto, &facet->flow,
- subfacet->initial_tci, NULL);
+ 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
push.bytes = bytes;
push.used = used;
- action_xlate_ctx_init(&push.ctx, ofproto, flow, flow->vlan_tci, 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));
struct action_xlate_ctx ctx;
action_xlate_ctx_init(&ctx, p, &facet->flow, subfacet->initial_tci,
- packet);
+ 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;
struct ofpbuf *odp_actions;
size_t size;
- action_xlate_ctx_init(&ctx, ofproto, flow, flow->vlan_tci, 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,
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--;
}
}
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->flow, &ctx->base_flow, ctx->odp_actions);
- 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);
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:
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, const struct ofpbuf *packet)
+ 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;
}
}
/* Learn source MAC. */
- if (ctx->may_learn) {
+ if (ctx->may_learn_macs) {
update_learning_table(ctx->ofproto, &ctx->flow, vlan, in_bundle);
}
/* 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, flow->vlan_tci, 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);
}
static void
-ofproto_unixctl_fdb_flush(struct unixctl_conn *conn, int argc 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(argv[1]);
- 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");
}
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);
trace.result = &result;
trace.flow = flow;
- action_xlate_ctx_init(&trace.ctx, ofproto, &flow, initial_tci, 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);
unixctl_command_register(
"ofproto/trace",
"bridge {tun_id in_port packet | odp_flow [-generate]}",
- 2, 4, ofproto_unixctl_trace, NULL);
- unixctl_command_register("fdb/flush", "bridge", 1, 1,
+ 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);
set_flood_vlans,
is_mirror_output_bundle,
forward_bpdu_changed,
+ set_mac_idle_time,
set_realdev,
};
git://git.onelab.eu / sliver-openvswitch.git / blobdiff