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);
/* The rule that we are currently translating, or NULL. */
struct rule_dpif *rule;
+ /* Union of the set of TCP flags seen so far in this flow. (Used only by
+ * NXAST_FIN_TIMEOUT. Set to zero to avoid updating updating rules'
+ * timeouts.) */
+ uint8_t tcp_flags;
+
/* If nonnull, called just before executing a resubmit action.
*
* This is normally null so the client has to set it manually after
* be reassessed for every packet. */
bool has_learn; /* Actions include NXAST_LEARN? */
bool has_normal; /* Actions output to OFPP_NORMAL? */
+ bool has_fin_timeout; /* Actions include NXAST_FIN_TIMEOUT? */
uint16_t nf_output_iface; /* Output interface index for NetFlow. */
mirror_mask_t mirrors; /* Bitmap of associated mirrors. */
static void action_xlate_ctx_init(struct action_xlate_ctx *,
struct ofproto_dpif *, const struct flow *,
ovs_be16 initial_tci, struct rule_dpif *,
- const struct ofpbuf *);
+ uint8_t tcp_flags, const struct ofpbuf *);
static struct ofpbuf *xlate_actions(struct action_xlate_ctx *,
const union ofp_action *in, size_t n_in);
/* Accounting. */
uint64_t accounted_bytes; /* Bytes processed by facet_account(). */
struct netflow_flow nf_flow; /* Per-flow NetFlow tracking data. */
+ uint8_t tcp_flags; /* TCP flags seen for this 'rule'. */
/* Properties of datapath actions.
*
bool may_install; /* Reassess actions for every packet? */
bool has_learn; /* Actions include NXAST_LEARN? */
bool has_normal; /* Actions output to OFPP_NORMAL? */
+ bool has_fin_timeout; /* Actions include NXAST_FIN_TIMEOUT? */
tag_type tags; /* Tags that would require revalidation. */
mirror_mask_t mirrors; /* Bitmap of dependent mirrors. */
};
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;
}
pin.packet_len = packet->size;
pin.total_len = packet->size;
pin.reason = OFPR_NO_MATCH;
+ pin.controller_id = 0;
pin.table_id = 0;
pin.cookie = 0;
subfacet->dp_packet_count = stats->n_packets;
subfacet->dp_byte_count = stats->n_bytes;
+ facet->tcp_flags |= stats->tcp_flags;
+
subfacet_update_time(subfacet, stats->used);
facet_account(facet);
facet_push_stats(facet);
if (rule->up.hard_timeout
&& now > rule->up.modified + rule->up.hard_timeout * 1000) {
reason = OFPRR_HARD_TIMEOUT;
- } else if (rule->up.idle_timeout && list_is_empty(&rule->facets)
+ } else if (rule->up.idle_timeout
&& now > rule->up.used + rule->up.idle_timeout * 1000) {
reason = OFPRR_IDLE_TIMEOUT;
} else {
/* Feed information from the active flows back into the learning table to
* ensure that table is always in sync with what is actually flowing
* through the datapath. */
- if (facet->has_learn || facet->has_normal) {
+ if (facet->has_learn || facet->has_normal
+ || (facet->has_fin_timeout
+ && facet->tcp_flags & (TCP_FIN | TCP_RST))) {
struct action_xlate_ctx ctx;
action_xlate_ctx_init(&ctx, ofproto, &facet->flow,
facet->flow.vlan_tci,
- facet->rule, NULL);
+ facet->rule, facet->tcp_flags, NULL);
ctx.may_learn = true;
ofpbuf_delete(xlate_actions(&ctx, facet->rule->up.actions,
facet->rule->up.n_actions));
facet_reset_counters(facet);
netflow_flow_clear(&facet->nf_flow);
+ facet->tcp_flags = 0;
}
/* Searches 'ofproto''s table of facets for one exactly equal to 'flow'.
bool should_install;
action_xlate_ctx_init(&ctx, ofproto, &facet->flow,
- subfacet->initial_tci, rule, NULL);
+ subfacet->initial_tci, rule, 0, NULL);
odp_actions = xlate_actions(&ctx, rule->up.actions,
rule->up.n_actions);
bool should_install;
action_xlate_ctx_init(&ctx, ofproto, &facet->flow,
- subfacet->initial_tci, new_rule, NULL);
+ subfacet->initial_tci, new_rule, 0, NULL);
odp_actions = xlate_actions(&ctx, new_rule->up.actions,
new_rule->up.n_actions);
actions_changed = (subfacet->actions_len != odp_actions->size
facet->may_install = ctx.may_set_up_flow;
facet->has_learn = ctx.has_learn;
facet->has_normal = ctx.has_normal;
+ facet->has_fin_timeout = ctx.has_fin_timeout;
facet->mirrors = ctx.mirrors;
if (new_actions) {
i = 0;
ofproto_rule_update_used(&rule->up, used);
action_xlate_ctx_init(&push.ctx, ofproto, flow, flow->vlan_tci, rule,
- NULL);
+ 0, 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, ofproto, &facet->flow, subfacet->initial_tci,
- rule, packet);
+ rule, 0, 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->has_fin_timeout = ctx.has_fin_timeout;
facet->nf_flow.output_iface = ctx.nf_output_iface;
facet->mirrors = ctx.mirrors;
subfacet_update_time(subfacet, stats->used);
facet->packet_count += stats->n_packets;
facet->byte_count += stats->n_bytes;
+ facet->tcp_flags |= stats->tcp_flags;
facet_push_stats(facet);
netflow_flow_update_flags(&facet->nf_flow, stats->tcp_flags);
}
size_t size;
action_xlate_ctx_init(&ctx, ofproto, flow, flow->vlan_tci,
- rule, packet);
+ rule, packet_get_tcp_flags(packet, flow), 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,
static void
execute_controller_action(struct action_xlate_ctx *ctx, int len,
- enum ofp_packet_in_reason reason)
+ enum ofp_packet_in_reason reason,
+ uint16_t controller_id)
{
struct ofputil_packet_in pin;
struct ofpbuf *packet;
pin.packet = packet->data;
pin.packet_len = packet->size;
pin.reason = reason;
+ pin.controller_id = controller_id;
pin.table_id = ctx->table_id;
pin.cookie = ctx->rule ? ctx->rule->up.flow_cookie : 0;
ctx->flow.nw_ttl--;
return false;
} else {
- execute_controller_action(ctx, UINT16_MAX, OFPR_INVALID_TTL);
+ execute_controller_action(ctx, UINT16_MAX, OFPR_INVALID_TTL, 0);
/* Stop processing for current table. */
return true;
flood_packets(ctx, true);
break;
case OFPP_CONTROLLER:
- execute_controller_action(ctx, max_len, OFPR_ACTION);
- break;
- case OFPP_LOCAL:
- compose_output_action(ctx, OFPP_LOCAL);
+ execute_controller_action(ctx, max_len, OFPR_ACTION, 0);
break;
case OFPP_NONE:
break;
+ case OFPP_LOCAL:
default:
if (port != ctx->flow.in_port) {
compose_output_action(ctx, port);
free(fm.actions);
}
+/* Reduces '*timeout' to no more than 'max'. A value of zero in either case
+ * means "infinite". */
+static void
+reduce_timeout(uint16_t max, uint16_t *timeout)
+{
+ if (max && (!*timeout || *timeout > max)) {
+ *timeout = max;
+ }
+}
+
+static void
+xlate_fin_timeout(struct action_xlate_ctx *ctx,
+ const struct nx_action_fin_timeout *naft)
+{
+ if (ctx->tcp_flags & (TCP_FIN | TCP_RST) && ctx->rule) {
+ struct rule_dpif *rule = ctx->rule;
+
+ reduce_timeout(ntohs(naft->fin_idle_timeout), &rule->up.idle_timeout);
+ reduce_timeout(ntohs(naft->fin_hard_timeout), &rule->up.hard_timeout);
+ }
+}
+
static bool
may_receive(const struct ofport_dpif *port, struct action_xlate_ctx *ctx)
{
const struct nx_action_autopath *naa;
const struct nx_action_bundle *nab;
const struct nx_action_output_reg *naor;
+ const struct nx_action_controller *nac;
enum ofputil_action_code code;
ovs_be64 tun_id;
case OFPUTIL_NXAST_EXIT:
ctx->exit = true;
break;
+
+ case OFPUTIL_NXAST_FIN_TIMEOUT:
+ ctx->has_fin_timeout = true;
+ xlate_fin_timeout(ctx, (const struct nx_action_fin_timeout *) ia);
+ break;
+
+ case OFPUTIL_NXAST_CONTROLLER:
+ nac = (const struct nx_action_controller *) ia;
+ execute_controller_action(ctx, ntohs(nac->max_len), nac->reason,
+ ntohs(nac->controller_id));
+ break;
}
}
action_xlate_ctx_init(struct action_xlate_ctx *ctx,
struct ofproto_dpif *ofproto, const struct flow *flow,
ovs_be16 initial_tci, struct rule_dpif *rule,
- const struct ofpbuf *packet)
+ uint8_t tcp_flags, const struct ofpbuf *packet)
{
ctx->ofproto = ofproto;
ctx->flow = *flow;
ctx->rule = rule;
ctx->packet = packet;
ctx->may_learn = packet != NULL;
+ ctx->tcp_flags = tcp_flags;
ctx->resubmit_hook = NULL;
}
ctx->may_set_up_flow = true;
ctx->has_learn = false;
ctx->has_normal = false;
+ ctx->has_fin_timeout = false;
ctx->nf_output_iface = NF_OUT_DROP;
ctx->mirrors = 0;
ctx->recurse = 0;
odp_flow_key_from_flow(&key, flow);
action_xlate_ctx_init(&push.ctx, ofproto, flow, flow->vlan_tci, NULL,
- packet);
+ packet_get_tcp_flags(packet, flow), packet);
/* Ensure that resubmits in 'ofp_actions' get accounted to their
* matching rules. */
ds_put_char(result, '\n');
}
+static void
+trace_format_odp(struct ds *result, int level, const char *title,
+ struct ofproto_trace *trace)
+{
+ struct ofpbuf *odp_actions = trace->ctx.odp_actions;
+
+ ds_put_char_multiple(result, '\t', level);
+ ds_put_format(result, "%s: ", title);
+ format_odp_actions(result, odp_actions->data, odp_actions->size);
+ ds_put_char(result, '\n');
+}
+
static void
trace_resubmit(struct action_xlate_ctx *ctx, struct rule_dpif *rule)
{
ds_put_char(result, '\n');
trace_format_flow(result, ctx->recurse + 1, "Resubmitted flow", trace);
trace_format_regs(result, ctx->recurse + 1, "Resubmitted regs", trace);
+ trace_format_odp(result, ctx->recurse + 1, "Resubmitted odp", trace);
trace_format_rule(result, ctx->table_id, ctx->recurse + 1, rule);
}
if (rule) {
struct ofproto_trace trace;
struct ofpbuf *odp_actions;
+ uint8_t tcp_flags;
+ tcp_flags = packet ? packet_get_tcp_flags(packet, &flow) : 0;
trace.result = &result;
trace.flow = flow;
action_xlate_ctx_init(&trace.ctx, ofproto, &flow, initial_tci,
- rule, packet);
+ rule, tcp_flags, packet);
trace.ctx.resubmit_hook = trace_resubmit;
odp_actions = xlate_actions(&trace.ctx,
rule->up.actions, rule->up.n_actions);
git://git.onelab.eu / sliver-openvswitch.git / blobdiff