static void bundle_run(struct ofbundle *);
static void bundle_wait(struct ofbundle *);
+static void stp_run(struct ofproto_dpif *ofproto);
+static void stp_wait(struct ofproto_dpif *ofproto);
+
struct action_xlate_ctx {
/* action_xlate_ctx_init() initializes these members. */
* reason to look at them. */
int recurse; /* Recursion level, via xlate_table_action. */
- 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. */
+ uint32_t original_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. */
uint16_t user_cookie_offset;/* Used for user_action_cookie fixup. */
+ bool exit; /* No further actions should be processed. */
};
static void action_xlate_ctx_init(struct action_xlate_ctx *,
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. */
+
+ 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;
};
static struct ofport_dpif *
struct list completions;
bool has_bundle_action; /* True when the first bundle action appears. */
+
+ /* Spanning tree. */
+ struct stp *stp;
+ long long int stp_last_tick;
};
/* Defer flow mod completion until "ovs-appctl ofproto/unclog"? (Useful only
ofproto->netflow = NULL;
ofproto->sflow = NULL;
+ ofproto->stp = NULL;
hmap_init(&ofproto->bundles);
ofproto->ml = mac_learning_create();
for (i = 0; i < MAX_MIRRORS; i++) {
bundle_run(bundle);
}
+ stp_run(ofproto);
mac_learning_run(ofproto->ml, &ofproto->revalidate_set);
/* Now revalidate if there's anything to do. */
bundle_wait(bundle);
}
mac_learning_wait(ofproto->ml);
+ stp_wait(ofproto);
if (ofproto->need_revalidate) {
/* Shouldn't happen, but if it does just go around again. */
VLOG_DBG_RL(&rl, "need revalidate in ofproto_wait_cb()");
port->cfm = NULL;
port->tag = tag_create_random();
port->may_enable = true;
+ port->stp_port = NULL;
+ port->stp_state = STP_DISABLED;
if (ofproto->sflow) {
dpif_sflow_add_port(ofproto->sflow, port->odp_port,
}
}
\f
+/* Spanning Tree. */
+
+static void
+send_bpdu_cb(struct ofpbuf *pkt, int port_num, void *ofproto_)
+{
+ struct ofproto_dpif *ofproto = ofproto_;
+ struct stp_port *sp = stp_get_port(ofproto->stp, port_num);
+ struct ofport_dpif *ofport;
+
+ ofport = stp_port_get_aux(sp);
+ if (!ofport) {
+ VLOG_WARN_RL(&rl, "%s: cannot send BPDU on unknown port %d",
+ ofproto->up.name, port_num);
+ } else {
+ struct eth_header *eth = pkt->l2;
+
+ netdev_get_etheraddr(ofport->up.netdev, eth->eth_src);
+ if (eth_addr_is_zero(eth->eth_src)) {
+ VLOG_WARN_RL(&rl, "%s: cannot send BPDU on port %d "
+ "with unknown MAC", ofproto->up.name, port_num);
+ } else {
+ send_packet(ofproto_dpif_cast(ofport->up.ofproto),
+ ofport->odp_port, pkt);
+ }
+ }
+ ofpbuf_delete(pkt);
+}
+
+/* Configures STP on 'ofproto_' using the settings defined in 's'. */
+static int
+set_stp(struct ofproto *ofproto_, const struct ofproto_stp_settings *s)
+{
+ struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
+
+ /* Only revalidate flows if the configuration changed. */
+ if (!s != !ofproto->stp) {
+ ofproto->need_revalidate = true;
+ }
+
+ if (s) {
+ if (!ofproto->stp) {
+ ofproto->stp = stp_create(ofproto_->name, s->system_id,
+ send_bpdu_cb, ofproto);
+ ofproto->stp_last_tick = time_msec();
+ }
+
+ stp_set_bridge_id(ofproto->stp, s->system_id);
+ stp_set_bridge_priority(ofproto->stp, s->priority);
+ stp_set_hello_time(ofproto->stp, s->hello_time);
+ stp_set_max_age(ofproto->stp, s->max_age);
+ stp_set_forward_delay(ofproto->stp, s->fwd_delay);
+ } else {
+ stp_destroy(ofproto->stp);
+ ofproto->stp = NULL;
+ }
+
+ return 0;
+}
+
+static int
+get_stp_status(struct ofproto *ofproto_, struct ofproto_stp_status *s)
+{
+ struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
+
+ if (ofproto->stp) {
+ s->enabled = true;
+ s->bridge_id = stp_get_bridge_id(ofproto->stp);
+ s->designated_root = stp_get_designated_root(ofproto->stp);
+ s->root_path_cost = stp_get_root_path_cost(ofproto->stp);
+ } else {
+ s->enabled = false;
+ }
+
+ return 0;
+}
+
+static void
+update_stp_port_state(struct ofport_dpif *ofport)
+{
+ struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
+ enum stp_state state;
+
+ /* Figure out new state. */
+ state = ofport->stp_port ? stp_port_get_state(ofport->stp_port)
+ : STP_DISABLED;
+
+ /* Update state. */
+ if (ofport->stp_state != state) {
+ ovs_be32 of_state;
+ bool fwd_change;
+
+ VLOG_DBG_RL(&rl, "port %s: STP state changed from %s to %s",
+ netdev_get_name(ofport->up.netdev),
+ stp_state_name(ofport->stp_state),
+ stp_state_name(state));
+ if (stp_learn_in_state(ofport->stp_state)
+ != stp_learn_in_state(state)) {
+ /* xxx Learning action flows should also be flushed. */
+ mac_learning_flush(ofproto->ml);
+ }
+ fwd_change = stp_forward_in_state(ofport->stp_state)
+ != stp_forward_in_state(state);
+
+ ofproto->need_revalidate = true;
+ ofport->stp_state = state;
+ ofport->stp_state_entered = time_msec();
+
+ if (fwd_change) {
+ bundle_update(ofport->bundle);
+ }
+
+ /* Update the STP state bits in the OpenFlow port description. */
+ of_state = (ofport->up.opp.state & htonl(~OFPPS_STP_MASK))
+ | htonl(state == STP_LISTENING ? OFPPS_STP_LISTEN
+ : state == STP_LEARNING ? OFPPS_STP_LEARN
+ : state == STP_FORWARDING ? OFPPS_STP_FORWARD
+ : state == STP_BLOCKING ? OFPPS_STP_BLOCK
+ : 0);
+ ofproto_port_set_state(&ofport->up, of_state);
+ }
+}
+
+/* Configures STP on 'ofport_' using the settings defined in 's'. The
+ * caller is responsible for assigning STP port numbers and ensuring
+ * there are no duplicates. */
+static int
+set_stp_port(struct ofport *ofport_,
+ const struct ofproto_port_stp_settings *s)
+{
+ struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
+ struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
+ struct stp_port *sp = ofport->stp_port;
+
+ if (!s || !s->enable) {
+ if (sp) {
+ ofport->stp_port = NULL;
+ stp_port_disable(sp);
+ update_stp_port_state(ofport);
+ }
+ return 0;
+ } else if (sp && stp_port_no(sp) != s->port_num
+ && ofport == stp_port_get_aux(sp)) {
+ /* The port-id changed, so disable the old one if it's not
+ * already in use by another port. */
+ stp_port_disable(sp);
+ }
+
+ sp = ofport->stp_port = stp_get_port(ofproto->stp, s->port_num);
+ stp_port_enable(sp);
+
+ stp_port_set_aux(sp, ofport);
+ stp_port_set_priority(sp, s->priority);
+ stp_port_set_path_cost(sp, s->path_cost);
+
+ update_stp_port_state(ofport);
+
+ return 0;
+}
+
+static int
+get_stp_port_status(struct ofport *ofport_,
+ struct ofproto_port_stp_status *s)
+{
+ struct ofport_dpif *ofport = ofport_dpif_cast(ofport_);
+ struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofport->up.ofproto);
+ struct stp_port *sp = ofport->stp_port;
+
+ if (!ofproto->stp || !sp) {
+ s->enabled = false;
+ return 0;
+ }
+
+ s->enabled = true;
+ s->port_id = stp_port_get_id(sp);
+ s->state = stp_port_get_state(sp);
+ s->sec_in_state = (time_msec() - ofport->stp_state_entered) / 1000;
+ s->role = stp_port_get_role(sp);
+ stp_port_get_counts(sp, &s->tx_count, &s->rx_count, &s->error_count);
+
+ return 0;
+}
+
+static void
+stp_run(struct ofproto_dpif *ofproto)
+{
+ if (ofproto->stp) {
+ long long int now = time_msec();
+ long long int elapsed = now - ofproto->stp_last_tick;
+ struct stp_port *sp;
+
+ if (elapsed > 0) {
+ stp_tick(ofproto->stp, MIN(INT_MAX, elapsed));
+ ofproto->stp_last_tick = now;
+ }
+ while (stp_get_changed_port(ofproto->stp, &sp)) {
+ struct ofport_dpif *ofport = stp_port_get_aux(sp);
+
+ if (ofport) {
+ update_stp_port_state(ofport);
+ }
+ }
+ }
+}
+
+static void
+stp_wait(struct ofproto_dpif *ofproto)
+{
+ if (ofproto->stp) {
+ poll_timer_wait(1000);
+ }
+}
+
+/* Returns true if STP should process 'flow'. */
+static bool
+stp_should_process_flow(const struct flow *flow)
+{
+ return eth_addr_equals(flow->dl_dst, eth_addr_stp);
+}
+
+static void
+stp_process_packet(const struct ofport_dpif *ofport,
+ const struct ofpbuf *packet)
+{
+ struct ofpbuf payload = *packet;
+ struct eth_header *eth = payload.data;
+ struct stp_port *sp = ofport->stp_port;
+
+ /* Sink packets on ports that have STP disabled when the bridge has
+ * STP enabled. */
+ if (!sp || stp_port_get_state(sp) == STP_DISABLED) {
+ return;
+ }
+
+ /* Trim off padding on payload. */
+ if (payload.size > ntohs(eth->eth_type) + ETH_HEADER_LEN) {
+ payload.size = ntohs(eth->eth_type) + ETH_HEADER_LEN;
+ }
+
+ if (ofpbuf_try_pull(&payload, ETH_HEADER_LEN + LLC_HEADER_LEN)) {
+ stp_received_bpdu(sp, payload.data, payload.size);
+ }
+}
+\f
/* Bundles. */
/* Expires all MAC learning entries associated with 'port' and forces ofproto
bundle->floodable = true;
LIST_FOR_EACH (port, bundle_node, &bundle->ports) {
- if (port->up.opp.config & htonl(OFPPC_NO_FLOOD)) {
+ if (port->up.opp.config & htonl(OFPPC_NO_FLOOD)
+ || !stp_forward_in_state(port->stp_state)) {
bundle->floodable = false;
break;
}
port->bundle = bundle;
list_push_back(&bundle->ports, &port->bundle_node);
- if (port->up.opp.config & htonl(OFPPC_NO_FLOOD)) {
+ if (port->up.opp.config & htonl(OFPPC_NO_FLOOD)
+ || !stp_forward_in_state(port->stp_state)) {
bundle->floodable = false;
}
}
pdu_size);
memcpy(packet_pdu, pdu, pdu_size);
- error = netdev_send(port->up.netdev, &packet);
- if (error) {
- VLOG_WARN_RL(&rl, "port %s: sending LACP PDU on iface %s failed "
- "(%s)", port->bundle->name,
- netdev_get_name(port->up.netdev), strerror(error));
- }
+ send_packet(ofproto_dpif_cast(port->up.ofproto), port->odp_port,
+ &packet);
ofpbuf_uninit(&packet);
} else {
VLOG_ERR_RL(&rl, "port %s: cannot obtain Ethernet address of iface "
error = n_packets = n_errors = 0;
LIST_FOR_EACH (e, lru_node, &ofproto->ml->lrus) {
if (e->port.p != bundle) {
- int ret = bond_send_learning_packet(bundle->bond, e->mac, e->vlan);
+ struct ofpbuf *learning_packet;
+ struct ofport_dpif *port;
+ int ret;
+
+ learning_packet = bond_compose_learning_packet(bundle->bond, e->mac,
+ e->vlan,
+ (void **)&port);
+ ret = send_packet(ofproto_dpif_cast(port->up.ofproto),
+ port->odp_port, learning_packet);
+ ofpbuf_delete(learning_packet);
if (ret) {
error = ret;
n_errors++;
}
static bool
-is_mirror_output_bundle(struct ofproto *ofproto_, void *aux)
+is_mirror_output_bundle(const struct ofproto *ofproto_, void *aux)
{
struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
struct ofbundle *bundle = bundle_lookup(ofproto, aux);
lacp_process_packet(ofport->bundle->lacp, ofport, packet);
}
return true;
+ } else if (ofproto->stp && stp_should_process_flow(flow)) {
+ if (packet) {
+ stp_process_packet(ofport, packet);
+ }
+ return true;
}
return false;
}
/* Obtain in_port and tun_id, at least, then set 'flow''s header
* pointers. */
odp_flow_key_to_flow(upcall->key, upcall->key_len, &flow);
- flow_extract(upcall->packet, flow.tun_id, flow.in_port, &flow);
+ flow_extract(upcall->packet, flow.priority, flow.tun_id,
+ flow.in_port, &flow);
- /* Handle 802.1ag and LACP specially. */
+ /* Handle 802.1ag, LACP, and STP specially. */
if (process_special(ofproto, &flow, upcall->packet)) {
ofpbuf_delete(upcall->packet);
ofproto->n_matches++;
* hash bucket.) */
vlan_tci = facet->flow.vlan_tci;
NL_ATTR_FOR_EACH_UNSAFE (a, left, facet->actions, facet->actions_len) {
+ const struct ovs_action_push_vlan *vlan;
struct ofport_dpif *port;
switch (nl_attr_type(a)) {
- const struct nlattr *nested;
case OVS_ACTION_ATTR_OUTPUT:
port = get_odp_port(ofproto, nl_attr_get_u32(a));
if (port && port->bundle && port->bundle->bond) {
}
break;
- case OVS_ACTION_ATTR_POP:
- if (nl_attr_get_u16(a) == OVS_KEY_ATTR_8021Q) {
- vlan_tci = htons(0);
- }
+ case OVS_ACTION_ATTR_POP_VLAN:
+ vlan_tci = htons(0);
break;
- case OVS_ACTION_ATTR_PUSH:
- nested = nl_attr_get(a);
- if (nl_attr_type(nested) == OVS_KEY_ATTR_8021Q) {
- const struct ovs_key_8021q *q_key;
-
- q_key = nl_attr_get_unspec(nested, sizeof(*q_key));
- vlan_tci = q_key->q_tci;
- }
+ case OVS_ACTION_ATTR_PUSH_VLAN:
+ vlan = nl_attr_get(a);
+ vlan_tci = vlan->vlan_tci;
break;
}
}
}
cls = &ofproto->up.tables[table_id];
- if (flow->tos_frag & FLOW_FRAG_ANY
+ if (flow->nw_frag & FLOW_NW_FRAG_ANY
&& ofproto->up.frag_handling == OFPC_FRAG_NORMAL) {
/* For OFPC_NORMAL frag_handling, we must pretend that transport ports
* are unavailable. */
struct flow flow;
int error;
- flow_extract((struct ofpbuf *) packet, 0, 0, &flow);
+ flow_extract((struct ofpbuf *) packet, 0, 0, 0, &flow);
ofpbuf_use_stack(&key, &keybuf, sizeof keybuf);
odp_flow_key_from_flow(&key, &flow);
}
static void
-commit_action__(struct ofpbuf *odp_actions,
- enum ovs_action_attr act_type,
- enum ovs_key_attr key_type,
- const void *key, size_t key_size)
+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, act_type);
-
+ 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);
}
}
base->tun_id = flow->tun_id;
- commit_action__(odp_actions, OVS_ACTION_ATTR_SET,
- OVS_KEY_ATTR_TUN_ID, &base->tun_id, sizeof(base->tun_id));
+ commit_set_action(odp_actions, OVS_KEY_ATTR_TUN_ID,
+ &base->tun_id, sizeof(base->tun_id));
}
static void
memcpy(eth_key.eth_src, base->dl_src, ETH_ADDR_LEN);
memcpy(eth_key.eth_dst, base->dl_dst, ETH_ADDR_LEN);
- commit_action__(odp_actions, OVS_ACTION_ATTR_SET,
- OVS_KEY_ATTR_ETHERNET, ð_key, sizeof(eth_key));
+ commit_set_action(odp_actions, OVS_KEY_ATTR_ETHERNET,
+ ð_key, sizeof(eth_key));
}
static void
}
if (base->vlan_tci & htons(VLAN_CFI)) {
- nl_msg_put_u16(ctx->odp_actions, OVS_ACTION_ATTR_POP,
- OVS_KEY_ATTR_8021Q);
+ nl_msg_put_flag(ctx->odp_actions, OVS_ACTION_ATTR_POP_VLAN);
}
if (new_tci & htons(VLAN_CFI)) {
- struct ovs_key_8021q q_key;
-
- q_key.q_tpid = htons(ETH_TYPE_VLAN);
- q_key.q_tci = new_tci & ~htons(VLAN_CFI);
+ struct ovs_action_push_vlan vlan;
- commit_action__(ctx->odp_actions, OVS_ACTION_ATTR_PUSH,
- OVS_KEY_ATTR_8021Q, &q_key, sizeof(q_key));
+ vlan.vlan_tpid = htons(ETH_TYPE_VLAN);
+ vlan.vlan_tci = new_tci;
+ nl_msg_put_unspec(ctx->odp_actions, OVS_ACTION_ATTR_PUSH_VLAN,
+ &vlan, sizeof vlan);
}
base->vlan_tci = new_tci;
}
commit_set_nw_action(const struct flow *flow, struct flow *base,
struct ofpbuf *odp_actions)
{
- int frag = base->tos_frag & FLOW_FRAG_MASK;
struct ovs_key_ipv4 ipv4_key;
if (base->dl_type != htons(ETH_TYPE_IP) ||
if (base->nw_src == flow->nw_src &&
base->nw_dst == flow->nw_dst &&
- base->tos_frag == flow->tos_frag) {
+ base->nw_tos == flow->nw_tos &&
+ base->nw_ttl == flow->nw_ttl &&
+ base->nw_frag == flow->nw_frag) {
return;
}
-
- memset(&ipv4_key, 0, sizeof(ipv4_key));
ipv4_key.ipv4_src = base->nw_src = flow->nw_src;
ipv4_key.ipv4_dst = base->nw_dst = flow->nw_dst;
ipv4_key.ipv4_proto = base->nw_proto;
- ipv4_key.ipv4_tos = flow->tos_frag & IP_DSCP_MASK;
- ipv4_key.ipv4_frag = (frag == 0 ? OVS_FRAG_TYPE_NONE
- : frag == FLOW_FRAG_ANY ? OVS_FRAG_TYPE_FIRST
- : OVS_FRAG_TYPE_LATER);
+ ipv4_key.ipv4_tos = flow->nw_tos;
+ ipv4_key.ipv4_ttl = flow->nw_ttl;
+ 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_action__(odp_actions, OVS_ACTION_ATTR_SET,
- OVS_KEY_ATTR_IPV4, &ipv4_key, sizeof(ipv4_key));
+ commit_set_action(odp_actions, OVS_KEY_ATTR_IPV4,
+ &ipv4_key, sizeof(ipv4_key));
}
static void
port_key.tcp_src = base->tp_src = flow->tp_src;
port_key.tcp_dst = base->tp_dst = flow->tp_dst;
- commit_action__(odp_actions, OVS_ACTION_ATTR_SET,
- OVS_KEY_ATTR_TCP, &port_key, sizeof(port_key));
+ 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_action__(odp_actions, OVS_ACTION_ATTR_SET,
- OVS_KEY_ATTR_UDP, &port_key, sizeof(port_key));
+ commit_set_action(odp_actions, OVS_KEY_ATTR_UDP,
+ &port_key, sizeof(port_key));
}
}
static void
-commit_priority_action(struct action_xlate_ctx *ctx)
+commit_set_priority_action(const struct flow *flow, struct flow *base,
+ struct ofpbuf *odp_actions)
{
- if (ctx->base_priority == ctx->priority) {
+ if (base->priority == flow->priority) {
return;
}
+ base->priority = flow->priority;
- if (ctx->priority) {
- nl_msg_put_u32(ctx->odp_actions,
- OVS_ACTION_ATTR_SET_PRIORITY, ctx->priority);
- } else {
- nl_msg_put_flag(ctx->odp_actions, OVS_ACTION_ATTR_POP_PRIORITY);
- }
- ctx->base_priority = ctx->priority;
+ commit_set_action(odp_actions, OVS_KEY_ATTR_PRIORITY,
+ &base->priority, sizeof(base->priority));
}
static void
commit_vlan_action(ctx, flow->vlan_tci);
commit_set_nw_action(flow, base, odp_actions);
commit_set_port_action(flow, base, odp_actions);
- commit_priority_action(ctx);
+ commit_set_priority_action(flow, base, odp_actions);
}
static void
uint16_t odp_port = ofp_port_to_odp_port(ofp_port);
if (ofport) {
- if (ofport->up.opp.config & htonl(OFPPC_NO_FWD)) {
+ if (ofport->up.opp.config & htonl(OFPPC_NO_FWD)
+ || !stp_forward_in_state(ofport->stp_state)) {
/* Forwarding disabled on port. */
return;
}
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 != ctx->flow.in_port && !(ofport->up.opp.config & mask)) {
+ if (ofp_port != ctx->flow.in_port
+ && !(ofport->up.opp.config & mask)
+ && stp_forward_in_state(ofport->stp_state)) {
compose_output_action(ctx, ofport->odp_port);
}
}
const struct ofp_action_enqueue *oae)
{
uint16_t ofp_port, odp_port;
- uint32_t ctx_priority, priority;
+ uint32_t flow_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 datapath actions. */
- ctx_priority = ctx->priority;
- ctx->priority = priority;
+ flow_priority = ctx->flow.priority;
+ ctx->flow.priority = priority;
add_output_action(ctx, odp_port);
- ctx->priority = ctx_priority;
+ ctx->flow.priority = flow_priority;
/* Update NetFlow output port. */
if (ctx->nf_output_iface == NF_OUT_DROP) {
return;
}
- ctx->priority = priority;
+ ctx->flow.priority = priority;
}
struct xlate_reg_state {
case OFPP_NORMAL:
case OFPP_FLOOD:
case OFPP_ALL:
- case OFPP_LOCAL:
+ case OFPP_NONE:
return true;
case OFPP_CONTROLLER: /* Not supported by the bundle action. */
return false;
free(fm.actions);
}
+static bool
+may_receive(const struct ofport_dpif *port, struct action_xlate_ctx *ctx)
+{
+ if (port->up.opp.config & (eth_addr_equals(ctx->flow.dl_dst, eth_addr_stp)
+ ? htonl(OFPPC_NO_RECV_STP)
+ : htonl(OFPPC_NO_RECV))) {
+ return false;
+ }
+
+ /* Only drop packets here if both forwarding and learning are
+ * disabled. If just learning is enabled, we need to have
+ * OFPP_NORMAL and the learning action have a look at the packet
+ * before we can drop it. */
+ if (!stp_forward_in_state(port->stp_state)
+ && !stp_learn_in_state(port->stp_state)) {
+ return false;
+ }
+
+ return true;
+}
+
static void
do_xlate_actions(const union ofp_action *in, size_t n_in,
struct action_xlate_ctx *ctx)
size_t left;
port = get_ofp_port(ctx->ofproto, ctx->flow.in_port);
- if (port
- && port->up.opp.config & htonl(OFPPC_NO_RECV | OFPPC_NO_RECV_STP) &&
- port->up.opp.config & (eth_addr_equals(ctx->flow.dl_dst, eth_addr_stp)
- ? htonl(OFPPC_NO_RECV_STP)
- : htonl(OFPPC_NO_RECV))) {
+ if (port && !may_receive(port, ctx)) {
/* Drop this flow. */
return;
}
enum ofputil_action_code code;
ovs_be64 tun_id;
+ if (ctx->exit) {
+ break;
+ }
+
code = ofputil_decode_action_unsafe(ia);
switch (code) {
case OFPUTIL_OFPAT_OUTPUT:
break;
case OFPUTIL_OFPAT_SET_NW_TOS:
- ctx->flow.tos_frag &= ~IP_DSCP_MASK;
- ctx->flow.tos_frag |= ia->nw_tos.nw_tos & IP_DSCP_MASK;
+ 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->priority = 0;
+ ctx->flow.priority = ctx->original_priority;
break;
case OFPUTIL_NXAST_REG_MOVE:
xlate_learn_action(ctx, (const struct nx_action_learn *) ia);
}
break;
+
+ case OFPUTIL_NXAST_EXIT:
+ ctx->exit = true;
+ break;
}
}
+
+ /* We've let OFPP_NORMAL and the learning action look at the packet,
+ * so drop it now if forwarding is disabled. */
+ if (port && !stp_forward_in_state(port->stp_state)) {
+ ofpbuf_clear(ctx->odp_actions);
+ add_sflow_action(ctx);
+ }
}
static void
ctx->odp_actions = ofpbuf_new(512);
ofpbuf_reserve(ctx->odp_actions, NL_A_U32_SIZE);
+ ctx->tags = 0;
+ ctx->may_set_up_flow = true;
+ ctx->has_learn = false;
+ ctx->has_normal = false;
+ ctx->nf_output_iface = NF_OUT_DROP;
+ ctx->recurse = 0;
+ ctx->original_priority = ctx->flow.priority;
+ ctx->base_flow = ctx->flow;
+ ctx->base_flow.tun_id = 0;
+ ctx->table_id = 0;
+ ctx->exit = false;
- if (ctx->flow.tos_frag & FLOW_FRAG_ANY) {
+ if (ctx->flow.nw_frag & FLOW_NW_FRAG_ANY) {
switch (ctx->ofproto->up.frag_handling) {
case OFPC_FRAG_NORMAL:
/* We must pretend that transport ports are unavailable. */
- ctx->flow.tp_src = htons(0);
- ctx->flow.tp_dst = htons(0);
+ ctx->flow.tp_src = ctx->base_flow.tp_src = htons(0);
+ ctx->flow.tp_dst = ctx->base_flow.tp_dst = htons(0);
break;
case OFPC_FRAG_DROP:
}
}
- ctx->tags = 0;
- ctx->may_set_up_flow = true;
- ctx->has_learn = false;
- ctx->has_normal = false;
- ctx->nf_output_iface = NF_OUT_DROP;
- ctx->recurse = 0;
- ctx->priority = 0;
- ctx->base_priority = 0;
- ctx->base_flow = ctx->flow;
- ctx->base_flow.tun_id = 0;
- ctx->table_id = 0;
-
if (process_special(ctx->ofproto, &ctx->flow, ctx->packet)) {
ctx->may_set_up_flow = false;
return ctx->odp_actions;
return -1;
}
} else {
+ if (flow->dl_type == htons(ETH_TYPE_VLAN) &&
+ !(flow->vlan_tci & htons(VLAN_CFI))) {
+ static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
+ VLOG_WARN_RL(&rl, "bridge %s: dropping packet with partial "
+ "VLAN tag received on port %s",
+ ofproto->up.name, in_bundle->name);
+ return -1;
+ }
if (in_bundle->vlan_mode != PORT_VLAN_TRUNK) {
return in_bundle->vlan;
} else {
return false;
}
- /* Drop frames for reserved multicast addresses
- * only if forward_bpdu option is absent. */
- if (eth_addr_is_reserved(flow->dl_dst) &&
- !ofproto->up.forward_bpdu) {
+ /* Drop frames for reserved multicast addresses only if forward_bpdu
+ * option is absent. */
+ if (eth_addr_is_reserved(flow->dl_dst) && !ofproto->up.forward_bpdu) {
return false;
}
struct ofproto_dpif *ofproto = ofproto_dpif_cast(ofproto_);
int error;
+ if (flow->in_port >= ofproto->max_ports && flow->in_port < OFPP_MAX) {
+ return ofp_mkerr_nicira(OFPET_BAD_REQUEST, NXBRC_BAD_IN_PORT);
+ }
+
error = validate_actions(ofp_actions, n_ofp_actions, flow,
ofproto->max_ports);
if (!error) {
: NULL);
}
+static void
+ofproto_unixctl_fdb_flush(struct unixctl_conn *conn,
+ const char *args, void *aux OVS_UNUSED)
+{
+ const struct ofproto_dpif *ofproto;
+
+ ofproto = ofproto_dpif_lookup(args);
+ if (!ofproto) {
+ unixctl_command_reply(conn, 501, "no such bridge");
+ return;
+ }
+ 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_trace(struct unixctl_conn *conn, const char *args_,
void *aux OVS_UNUSED)
{
- char *dpname, *arg1, *arg2, *arg3;
+ char *dpname, *arg1, *arg2, *arg3, *arg4;
char *args = xstrdup(args_);
char *save_ptr = NULL;
struct ofproto_dpif *ofproto;
dpname = strtok_r(args, " ", &save_ptr);
arg1 = strtok_r(NULL, " ", &save_ptr);
arg2 = strtok_r(NULL, " ", &save_ptr);
- arg3 = strtok_r(NULL, "", &save_ptr); /* Get entire rest of line. */
+ 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/trace dpname flow [-generate] */
int error;
packet = ofpbuf_new(0);
flow_compose(packet, &flow);
}
- } else if (dpname && arg1 && arg2 && arg3) {
- /* ofproto/trace dpname tun_id in_port packet */
+ } else if (dpname && arg1 && arg2 && arg3 && arg4) {
+ /* ofproto/trace dpname priority tun_id in_port packet */
uint16_t in_port;
ovs_be64 tun_id;
+ uint32_t priority;
- tun_id = htonll(strtoull(arg1, NULL, 0));
- in_port = ofp_port_to_odp_port(atoi(arg2));
+ 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);
- arg3 = ofpbuf_put_hex(packet, arg3, NULL);
- arg3 += strspn(arg3, " ");
- if (*arg3 != '\0') {
+ arg4 = ofpbuf_put_hex(packet, arg4, NULL);
+ arg4 += strspn(arg4, " ");
+ if (*arg4 != '\0') {
unixctl_command_reply(conn, 501, "Trailing garbage in command");
goto exit;
}
ds_put_cstr(&result, s);
free(s);
- flow_extract(packet, tun_id, in_port, &flow);
+ flow_extract(packet, priority, tun_id, in_port, &flow);
} else {
unixctl_command_reply(conn, 501, "Bad command syntax");
goto exit;
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);
set_cfm,
get_cfm_fault,
get_cfm_remote_mpids,
+ set_stp,
+ get_stp_status,
+ set_stp_port,
+ get_stp_port_status,
bundle_set,
bundle_remove,
mirror_set,
projects / openvswitch / blobdiff