/*
- * Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks.
+ * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include "hmap.h"
#include "mac-learning.h"
#include "ofpbuf.h"
+#include "ofp-errors.h"
#include "ofp-parse.h"
#include "ofp-print.h"
#include "ofp-util.h"
#include "poll-loop.h"
#include "rconn.h"
#include "shash.h"
+#include "simap.h"
#include "timeval.h"
#include "vconn.h"
#include "vlog.h"
static void queue_tx(struct lswitch *, struct rconn *, struct ofpbuf *);
static void send_features_request(struct lswitch *, struct rconn *);
-static void process_switch_features(struct lswitch *,
- struct ofp_switch_features *);
+static enum ofperr process_switch_features(struct lswitch *,
+ struct ofp_switch_features *);
static void process_packet_in(struct lswitch *, struct rconn *,
const struct ofp_packet_in *);
static void process_echo_request(struct lswitch *, struct rconn *,
sw->max_idle = cfg->max_idle;
sw->datapath_id = 0;
sw->last_features_request = time_now() - 1;
- sw->ml = cfg->mode == LSW_LEARN ? mac_learning_create() : NULL;
+ sw->ml = (cfg->mode == LSW_LEARN
+ ? mac_learning_create(MAC_ENTRY_DEFAULT_IDLE_TIME)
+ : NULL);
sw->action_normal = cfg->mode == LSW_NORMAL;
flow_wildcards_init_exact(&sw->wc);
- if (!cfg->exact_flows) {
- /* We cannot wildcard all fields.
- * We need in_port to detect moves.
- * We need both SA and DA to do learning. */
- sw->wc.wildcards = (FWW_DL_TYPE | FWW_NW_PROTO
- | FWW_TP_SRC | FWW_TP_DST);
- sw->wc.nw_src_mask = htonl(0);
- sw->wc.nw_dst_mask = htonl(0);
+ if (cfg->wildcards) {
+ uint32_t ofpfw;
+
+ if (cfg->wildcards == UINT32_MAX) {
+ /* Try to wildcard as many fields as possible, but we cannot
+ * wildcard all fields. We need in_port to detect moves. We need
+ * Ethernet source and dest and VLAN VID to do L2 learning. */
+ ofpfw = (OFPFW_DL_TYPE | OFPFW_DL_VLAN_PCP
+ | OFPFW_NW_SRC_ALL | OFPFW_NW_DST_ALL
+ | OFPFW_NW_TOS | OFPFW_NW_PROTO
+ | OFPFW_TP_SRC | OFPFW_TP_DST);
+ } else {
+ ofpfw = cfg->wildcards;
+ }
+
+ ofputil_wildcard_from_openflow(ofpfw, &sw->wc);
}
sw->default_queue = cfg->default_queue;
hmap_init(&sw->queue_numbers);
shash_init(&sw->queue_names);
if (cfg->port_queues) {
- struct shash_node *node;
+ struct simap_node *node;
- SHASH_FOR_EACH (node, cfg->port_queues) {
+ SIMAP_FOR_EACH (node, cfg->port_queues) {
struct lswitch_port *port = xmalloc(sizeof *port);
hmap_node_nullify(&port->hmap_node);
- port->queue_id = (uintptr_t) node->data;
+ port->queue_id = node->data;
shash_add(&sw->queue_names, node->name, port);
}
}
send_features_request(sw, rconn);
if (cfg->default_flows) {
- const struct ofpbuf *b;
+ enum ofputil_protocol usable_protocols;
+ enum ofputil_protocol protocol;
+ struct ofpbuf *msg = NULL;
+ int ofp_version;
+ int error = 0;
+ size_t i;
+
+ /* Figure out the initial protocol on the connection. */
+ ofp_version = rconn_get_version(rconn);
+ protocol = ofputil_protocol_from_ofp_version(ofp_version);
+
+ /* If the initial protocol isn't good enough for default_flows, then
+ * pick one that will work and encode messages to set up that
+ * protocol.
+ *
+ * This could be improved by actually negotiating a mutually acceptable
+ * flow format with the switch, but that would require an asynchronous
+ * state machine. This version ought to work fine in practice. */
+ usable_protocols = ofputil_flow_mod_usable_protocols(
+ cfg->default_flows, cfg->n_default_flows);
+ if (!(protocol & usable_protocols)) {
+ enum ofputil_protocol want = rightmost_1bit(usable_protocols);
+ while (!error) {
+ msg = ofputil_encode_set_protocol(protocol, want, &protocol);
+ if (!msg) {
+ break;
+ }
+ error = rconn_send(rconn, msg, NULL);
+ }
+ }
+
+ for (i = 0; !error && i < cfg->n_default_flows; i++) {
+ msg = ofputil_encode_flow_mod(&cfg->default_flows[i], protocol);
+ error = rconn_send(rconn, msg, NULL);
+ }
- LIST_FOR_EACH (b, list_node, cfg->default_flows) {
- queue_tx(sw, rconn, ofpbuf_clone(b));
+ if (error) {
+ VLOG_INFO_RL(&rl, "%s: failed to queue default flows (%s)",
+ rconn_get_name(rconn), strerror(error));
}
}
-
+
return sw;
}
/* Nothing to do. */
break;
- case OFPUTIL_INVALID:
+ case OFPUTIL_MSG_INVALID:
case OFPUTIL_OFPT_HELLO:
case OFPUTIL_OFPT_ERROR:
case OFPUTIL_OFPT_ECHO_REPLY:
case OFPUTIL_OFPST_TABLE_REQUEST:
case OFPUTIL_OFPST_PORT_REQUEST:
case OFPUTIL_OFPST_QUEUE_REQUEST:
+ case OFPUTIL_OFPST_PORT_DESC_REQUEST:
case OFPUTIL_OFPST_DESC_REPLY:
case OFPUTIL_OFPST_FLOW_REPLY:
case OFPUTIL_OFPST_QUEUE_REPLY:
case OFPUTIL_OFPST_PORT_REPLY:
case OFPUTIL_OFPST_TABLE_REPLY:
case OFPUTIL_OFPST_AGGREGATE_REPLY:
- case OFPUTIL_NXT_TUN_ID_FROM_COOKIE:
+ case OFPUTIL_OFPST_PORT_DESC_REPLY:
case OFPUTIL_NXT_ROLE_REQUEST:
case OFPUTIL_NXT_ROLE_REPLY:
+ case OFPUTIL_NXT_FLOW_MOD_TABLE_ID:
case OFPUTIL_NXT_SET_FLOW_FORMAT:
+ case OFPUTIL_NXT_SET_PACKET_IN_FORMAT:
+ case OFPUTIL_NXT_PACKET_IN:
case OFPUTIL_NXT_FLOW_MOD:
case OFPUTIL_NXT_FLOW_REMOVED:
+ case OFPUTIL_NXT_FLOW_AGE:
+ case OFPUTIL_NXT_SET_ASYNC_CONFIG:
+ case OFPUTIL_NXT_SET_CONTROLLER_ID:
case OFPUTIL_NXST_FLOW_REQUEST:
case OFPUTIL_NXST_AGGREGATE_REQUEST:
case OFPUTIL_NXST_FLOW_REPLY:
}
}
-static void
+static enum ofperr
process_switch_features(struct lswitch *sw, struct ofp_switch_features *osf)
{
- size_t n_ports;
- size_t i;
-
- sw->datapath_id = ntohll(osf->datapath_id);
+ struct ofputil_switch_features features;
+ struct ofputil_phy_port port;
+ enum ofperr error;
+ struct ofpbuf b;
+
+ error = ofputil_decode_switch_features(osf, &features, &b);
+ if (error) {
+ VLOG_ERR("received invalid switch feature reply (%s)",
+ ofperr_to_string(error));
+ return error;
+ }
- n_ports = (ntohs(osf->header.length) - sizeof *osf) / sizeof *osf->ports;
- for (i = 0; i < n_ports; i++) {
- struct ofp_phy_port *opp = &osf->ports[i];
- struct lswitch_port *lp;
+ sw->datapath_id = features.datapath_id;
- opp->name[OFP_MAX_PORT_NAME_LEN - 1] = '\0';
- lp = shash_find_data(&sw->queue_names, opp->name);
+ while (!ofputil_pull_phy_port(osf->header.version, &b, &port)) {
+ struct lswitch_port *lp = shash_find_data(&sw->queue_names, port.name);
if (lp && hmap_node_is_null(&lp->hmap_node)) {
- lp->port_no = ntohs(opp->port_no);
+ lp->port_no = port.port_no;
hmap_insert(&sw->queue_numbers, &lp->hmap_node,
hash_int(lp->port_no, 0));
}
}
+ return 0;
}
static uint16_t
struct ofp_action_header actions[2];
size_t actions_len;
+ struct ofputil_packet_out po;
+
size_t pkt_ofs, pkt_len;
struct ofpbuf pkt;
struct flow flow;
pkt_ofs = offsetof(struct ofp_packet_in, data);
pkt_len = ntohs(opi->header.length) - pkt_ofs;
ofpbuf_use_const(&pkt, opi->data, pkt_len);
- flow_extract(&pkt, 0, in_port, &flow);
+ flow_extract(&pkt, 0, 0, in_port, &flow);
/* Choose output port. */
out_port = lswitch_choose_destination(sw, &flow);
struct ofp_action_output oao;
memset(&oao, 0, sizeof oao);
- oao.type = htons(OFPAT_OUTPUT);
+ oao.type = htons(OFPAT10_OUTPUT);
oao.len = htons(sizeof oao);
oao.port = htons(out_port);
struct ofp_action_enqueue oae;
memset(&oae, 0, sizeof oae);
- oae.type = htons(OFPAT_ENQUEUE);
+ oae.type = htons(OFPAT10_ENQUEUE);
oae.len = htons(sizeof oae);
oae.port = htons(out_port);
oae.queue_id = htonl(queue_id);
}
assert(actions_len <= sizeof actions);
+ /* Prepare packet_out in case we need one. */
+ po.buffer_id = ntohl(opi->buffer_id);
+ if (po.buffer_id == UINT32_MAX) {
+ po.packet = pkt.data;
+ po.packet_len = pkt.size;
+ } else {
+ po.packet = NULL;
+ po.packet_len = 0;
+ }
+ po.in_port = in_port;
+ po.actions = (union ofp_action *) actions;
+ po.n_actions = actions_len / sizeof *actions;
+
/* Send the packet, and possibly the whole flow, to the output port. */
if (sw->max_idle >= 0 && (!sw->ml || out_port != OFPP_FLOOD)) {
struct ofpbuf *buffer;
- struct ofp_flow_mod *ofm;
struct cls_rule rule;
/* The output port is known, or we always flood everything, so add a
buffer = make_add_flow(&rule, ntohl(opi->buffer_id),
sw->max_idle, actions_len);
ofpbuf_put(buffer, actions, actions_len);
- ofm = buffer->data;
queue_tx(sw, rconn, buffer);
/* If the switch didn't buffer the packet, we need to send a copy. */
if (ntohl(opi->buffer_id) == UINT32_MAX && actions_len > 0) {
- queue_tx(sw, rconn,
- make_packet_out(&pkt, UINT32_MAX, in_port,
- actions, actions_len / sizeof *actions));
+ queue_tx(sw, rconn, ofputil_encode_packet_out(&po));
}
} else {
/* We don't know that MAC, or we don't set up flows. Send along the
* packet without setting up a flow. */
if (ntohl(opi->buffer_id) != UINT32_MAX || actions_len > 0) {
- queue_tx(sw, rconn,
- make_packet_out(&pkt, ntohl(opi->buffer_id), in_port,
- actions, actions_len / sizeof *actions));
+ queue_tx(sw, rconn, ofputil_encode_packet_out(&po));
}
}
}
git://git.onelab.eu / sliver-openvswitch.git / blobdiff