struct vconn *vconn;
uint64_t datapath_id;
- time_t last_control_hello;
+ time_t last_features_request;
struct queue txq;
};
static void queue_tx(struct switch_ *, struct buffer *);
-static void send_control_hello(struct switch_ *);
+static void send_features_request(struct switch_ *);
static int do_switch_recv(struct switch_ *this);
static int do_switch_send(struct switch_ *this);
if (retval) {
break;
}
+ printf("accept!\n");
switches[n_switches++] = new_switch("tcp", new_vconn);
}
} else {
this->name = xstrdup(name);
this->vconn = vconn;
queue_init(&this->txq);
- this->last_control_hello = 0;
+ this->last_features_request = 0;
if (!vconn_is_passive(vconn)) {
- send_control_hello(this);
+ send_features_request(this);
}
return this;
}
close_switch(struct switch_ *this)
{
if (this) {
+ printf("dropped!\n");
free(this->name);
vconn_close(this->vconn);
queue_destroy(&this->txq);
}
static void
-send_control_hello(struct switch_ *this)
+send_features_request(struct switch_ *this)
{
time_t now = time(0);
- if (now >= this->last_control_hello + 1) {
+ if (now >= this->last_features_request + 1) {
struct buffer *b;
- struct ofp_control_hello *och;
+ struct ofp_header *ofr;
+ struct ofp_switch_config *osc;
+ /* Send OFPT_SET_CONFIG. */
b = buffer_new(0);
- och = buffer_put_uninit(b, sizeof *och);
- memset(och, 0, sizeof *och);
- och->header.version = OFP_VERSION;
- och->header.length = htons(sizeof *och);
-
- och->version = htonl(OFP_VERSION);
- och->flags = htons(OFP_CHELLO_SEND_FLOW_EXP);
- och->miss_send_len = htons(OFP_DEFAULT_MISS_SEND_LEN);
+ osc = buffer_put_uninit(b, sizeof *osc);
+ memset(osc, 0, sizeof *osc);
+ osc->header.type = OFPT_SET_CONFIG;
+ osc->header.version = OFP_VERSION;
+ osc->header.length = htons(sizeof *osc);
+ osc->flags = htons(OFPC_SEND_FLOW_EXP);
+ osc->miss_send_len = htons(OFP_DEFAULT_MISS_SEND_LEN);
queue_tx(this, b);
- this->last_control_hello = now;
+ /* Send OFPT_FEATURES_REQUEST. */
+ b = buffer_new(0);
+ ofr = buffer_put_uninit(b, sizeof *ofr);
+ memset(ofr, 0, sizeof *ofr);
+ ofr->type = OFPT_FEATURES_REQUEST;
+ ofr->version = OFP_VERSION;
+ ofr->length = htons(sizeof *ofr);
+ queue_tx(this, b);
+
+ this->last_features_request = now;
}
}
process_packet(struct switch_ *sw, struct buffer *msg)
{
static const size_t min_size[UINT8_MAX + 1] = {
- [0 ... UINT8_MAX] = SIZE_MAX,
- [OFPT_CONTROL_HELLO] = sizeof (struct ofp_control_hello),
- [OFPT_DATA_HELLO] = sizeof (struct ofp_data_hello),
+ [0 ... UINT8_MAX] = sizeof (struct ofp_header),
+ [OFPT_FEATURES_REPLY] = sizeof (struct ofp_switch_features),
[OFPT_PACKET_IN] = offsetof (struct ofp_packet_in, data),
- [OFPT_PACKET_OUT] = sizeof (struct ofp_packet_out),
- [OFPT_FLOW_MOD] = sizeof (struct ofp_flow_mod),
- [OFPT_FLOW_EXPIRED] = sizeof (struct ofp_flow_expired),
- [OFPT_TABLE] = sizeof (struct ofp_table),
- [OFPT_PORT_MOD] = sizeof (struct ofp_port_mod),
- [OFPT_PORT_STATUS] = sizeof (struct ofp_port_status),
- [OFPT_FLOW_STAT_REQUEST] = sizeof (struct ofp_flow_stat_request),
- [OFPT_FLOW_STAT_REPLY] = sizeof (struct ofp_flow_stat_reply),
};
struct ofp_header *oh;
return;
}
- if (oh->type == OFPT_DATA_HELLO) {
- struct ofp_data_hello *odh = msg->data;
- sw->datapath_id = odh->datapath_id;
+ if (oh->type == OFPT_FEATURES_REPLY) {
+ struct ofp_switch_features *osf = msg->data;
+ sw->datapath_id = osf->datapath_id;
} else if (sw->datapath_id == 0) {
- send_control_hello(sw);
- return;
- }
-
- if (oh->type == OFPT_PACKET_IN) {
+ send_features_request(sw);
+ } else if (oh->type == OFPT_PACKET_IN) {
+ struct ofp_packet_in *opi = msg->data;
if (sw->txq.n >= MAX_TXQ) {
/* FIXME: ratelimit. */
VLOG_WARN("%s: tx queue overflow", sw->name);
} else if (noflow) {
- process_noflow(sw, msg->data);
+ process_noflow(sw, opi);
} else if (hub) {
- process_hub(sw, msg->data);
+ process_hub(sw, opi);
} else {
- process_switch(sw, msg->data);
+ process_switch(sw, opi);
}
- return;
+ } else {
+ ofp_print(stdout, msg->data, msg->size, 2);
}
-
- ofp_print(stdout, msg->data, msg->size, 2);
}
static void
nla->nla_len -= len;
}
+static void *
+alloc_openflow_skb(struct datapath *dp, size_t openflow_len,
+ uint8_t type, uint32_t xid, struct sk_buff **pskb)
+{
+ size_t genl_len;
+ struct sk_buff *skb;
+ struct nlattr *attr;
+ struct ofp_header *oh;
+
+ genl_len = nla_total_size(sizeof(uint32_t)); /* DP_GENL_A_DP_IDX */
+ genl_len += nla_total_size(openflow_len); /* DP_GENL_A_OPENFLOW */
+ skb = *pskb = genlmsg_new(genl_len, GFP_ATOMIC);
+ if (!skb) {
+ if (net_ratelimit())
+ printk("alloc_openflow_skb: genlmsg_new failed\n");
+ return NULL;
+ }
+
+ /* Assemble the Generic Netlink wrapper. */
+ if (!genlmsg_put(skb, 0, 0, &dp_genl_family, 0, DP_GENL_C_OPENFLOW))
+ BUG();
+ if (nla_put_u32(skb, DP_GENL_A_DP_IDX, dp->dp_idx) < 0)
+ BUG();
+ attr = nla_reserve(skb, DP_GENL_A_OPENFLOW, openflow_len);
+ BUG_ON(!attr);
+ nlmsg_end(skb, (struct nlmsghdr *) skb->data);
+
+ /* Fill in the header. */
+ oh = nla_data(attr);
+ oh->version = OFP_VERSION;
+ oh->type = type;
+ oh->length = htons(openflow_len);
+ oh->xid = xid;
+
+ return oh;
+}
+
+static void
+resize_openflow_skb(struct sk_buff *skb,
+ struct ofp_header *oh, size_t new_length)
+{
+ struct nlattr *attr;
+
+ BUG_ON(new_length > ntohs(oh->length));
+ attr = ((void *) oh) - NLA_HDRLEN;
+ nla_unreserve(skb, attr, ntohs(oh->length) - new_length);
+ oh->length = htons(new_length);
+ nlmsg_end(skb, (struct nlmsghdr *) skb->data);
+}
+
/* Generates a unique datapath id. It incorporates the datapath index
* and a hardware address, if available. If not, it generates a random
* one.
printk("datapath: problem setting up 'of' device\n");
#endif
- dp->miss_send_len = OFP_DEFAULT_MISS_SEND_LEN;
+ dp->config.flags = 0;
+ dp->config.miss_send_len = OFP_DEFAULT_MISS_SEND_LEN;
dp->dp_task = kthread_run(dp_maint_func, dp, "dp%d", dp_idx);
if (IS_ERR(dp->dp_task))
dp_output_control(struct datapath *dp, struct sk_buff *skb,
uint32_t buffer_id, size_t max_len, int reason)
{
- /* FIXME? packet_rcv_spkt in net/packet/af_packet.c does some stuff
- that we should possibly be doing here too. */
/* FIXME? Can we avoid creating a new skbuff in the case where we
* forward the whole packet? */
struct sk_buff *f_skb;
- struct nlattr *attr;
struct ofp_packet_in *opi;
- size_t opi_len;
- size_t len, fwd_len;
- void *data;
- int err = -ENOMEM;
+ size_t fwd_len, opi_len;
+ int err;
fwd_len = skb->len;
if ((buffer_id != (uint32_t) -1) && max_len)
fwd_len = min(fwd_len, max_len);
- len = nla_total_size(offsetof(struct ofp_packet_in, data) + fwd_len)
- + nla_total_size(sizeof(uint32_t));
-
- f_skb = genlmsg_new(MAX(len, NLMSG_GOODSIZE), GFP_ATOMIC);
- if (!f_skb)
- goto error_free_skb;
-
- data = genlmsg_put(f_skb, 0, 0, &dp_genl_family, 0,
- DP_GENL_C_OPENFLOW);
- if (data == NULL)
- goto error_free_f_skb;
-
- NLA_PUT_U32(f_skb, DP_GENL_A_DP_IDX, dp->dp_idx);
-
opi_len = offsetof(struct ofp_packet_in, data) + fwd_len;
- attr = nla_reserve(f_skb, DP_GENL_A_OPENFLOW, opi_len);
- if (!attr)
- goto error_free_f_skb;
- opi = nla_data(attr);
- opi->header.version = OFP_VERSION;
- opi->header.type = OFPT_PACKET_IN;
- opi->header.length = htons(opi_len);
- opi->header.xid = htonl(0);
-
+ opi = alloc_openflow_skb(dp, opi_len, OFPT_PACKET_IN, 0, &f_skb);
opi->buffer_id = htonl(buffer_id);
opi->total_len = htons(skb->len);
opi->in_port = htons(skb->dev->br_port->port_no);
opi->reason = reason;
opi->pad = 0;
- SKB_LINEAR_ASSERT(skb);
memcpy(opi->data, skb_mac_header(skb), fwd_len);
- err = genlmsg_end(f_skb, data);
- if (err < 0)
- goto error_free_f_skb;
-
err = genlmsg_multicast(f_skb, 0, mc_group.id, GFP_ATOMIC);
if (err && net_ratelimit())
printk(KERN_WARNING "dp_output_control: genlmsg_multicast failed: %d\n", err);
kfree_skb(skb);
return err;
-
-nla_put_failure:
-error_free_f_skb:
- nlmsg_free(f_skb);
-error_free_skb:
- kfree_skb(skb);
- if (net_ratelimit())
- printk(KERN_ERR "dp_output_control: failed to send: %d\n", err);
- return err;
}
static void fill_port_desc(struct net_bridge_port *p, struct ofp_phy_port *desc)
}
static int
-fill_data_hello(struct datapath *dp, struct ofp_data_hello *odh)
+fill_features_reply(struct datapath *dp, struct ofp_switch_features *ofr)
{
struct net_bridge_port *p;
int port_count = 0;
- odh->header.version = OFP_VERSION;
- odh->header.type = OFPT_DATA_HELLO;
- odh->header.xid = htonl(0);
- odh->datapath_id = cpu_to_be64(dp->id);
-
- odh->n_exact = htonl(2 * TABLE_HASH_MAX_FLOWS);
- odh->n_mac_only = htonl(TABLE_MAC_MAX_FLOWS);
- odh->n_compression = 0; /* Not supported */
- odh->n_general = htonl(TABLE_LINEAR_MAX_FLOWS);
- odh->buffer_mb = htonl(UINT32_MAX);
- odh->n_buffers = htonl(N_PKT_BUFFERS);
- odh->capabilities = htonl(OFP_SUPPORTED_CAPABILITIES);
- odh->actions = htonl(OFP_SUPPORTED_ACTIONS);
- odh->miss_send_len = htons(dp->miss_send_len);
+ ofr->datapath_id = cpu_to_be64(dp->id);
+
+ ofr->n_exact = htonl(2 * TABLE_HASH_MAX_FLOWS);
+ ofr->n_mac_only = htonl(TABLE_MAC_MAX_FLOWS);
+ ofr->n_compression = 0; /* Not supported */
+ ofr->n_general = htonl(TABLE_LINEAR_MAX_FLOWS);
+ ofr->buffer_mb = htonl(UINT32_MAX);
+ ofr->n_buffers = htonl(N_PKT_BUFFERS);
+ ofr->capabilities = htonl(OFP_SUPPORTED_CAPABILITIES);
+ ofr->actions = htonl(OFP_SUPPORTED_ACTIONS);
list_for_each_entry_rcu (p, &dp->port_list, node) {
- fill_port_desc(p, &odh->ports[port_count]);
+ fill_port_desc(p, &ofr->ports[port_count]);
port_count++;
}
}
int
-dp_send_hello(struct datapath *dp)
+dp_send_features_reply(struct datapath *dp, uint32_t xid)
{
struct sk_buff *skb;
- struct nlattr *attr;
- struct ofp_data_hello *odh;
- size_t odh_max_len, odh_len, port_max_len, len;
- void *data;
- int err = -ENOMEM;
+ struct ofp_switch_features *ofr;
+ size_t ofr_len, port_max_len;
+ int err;
int port_count;
-
- /* Overallocate, since we can't reliably determine the number of
- * ports a priori. */
+ /* Overallocate. */
port_max_len = sizeof(struct ofp_phy_port) * OFPP_MAX;
+ ofr = alloc_openflow_skb(dp, sizeof(*ofr) + port_max_len,
+ OFPT_FEATURES_REPLY, xid, &skb);
+ if (!ofr)
+ return -ENOMEM;
- len = nla_total_size(sizeof(*odh) + port_max_len)
- + nla_total_size(sizeof(uint32_t));
-
- skb = genlmsg_new(MAX(len, NLMSG_GOODSIZE), GFP_ATOMIC);
- if (!skb) {
- if (net_ratelimit())
- printk("dp_send_hello: genlmsg_new failed\n");
- goto error;
- }
-
- data = genlmsg_put(skb, 0, 0, &dp_genl_family, 0,
- DP_GENL_C_OPENFLOW);
- if (data == NULL) {
- if (net_ratelimit())
- printk("dp_send_hello: genlmsg_put failed\n");
- goto error;
- }
+ /* Fill. */
+ port_count = fill_features_reply(dp, ofr);
- NLA_PUT_U32(skb, DP_GENL_A_DP_IDX, dp->dp_idx);
+ /* Shrink to fit. */
+ ofr_len = sizeof(*ofr) + (sizeof(struct ofp_phy_port) * port_count);
+ resize_openflow_skb(skb, &ofr->header, ofr_len);
- odh_max_len = sizeof(*odh) + port_max_len;
- attr = nla_reserve(skb, DP_GENL_A_OPENFLOW, odh_max_len);
- if (!attr) {
- if (net_ratelimit())
- printk("dp_send_hello: nla_reserve failed\n");
- goto error;
- }
- odh = nla_data(attr);
- port_count = fill_data_hello(dp, odh);
+ /* FIXME: send as reply. */
+ err = genlmsg_multicast(skb, 0, mc_group.id, GFP_ATOMIC);
+ if (err && net_ratelimit())
+ printk(KERN_WARNING "dp_send_hello: genlmsg_multicast failed: %d\n", err);
- /* Only now that we know how many ports we've added can we say
- * say something about the length. */
- odh_len = sizeof(*odh) + (sizeof(struct ofp_phy_port) * port_count);
- odh->header.length = htons(odh_len);
+ return err;
+}
- /* Take back the unused part that was reserved */
- nla_unreserve(skb, attr, (odh_max_len - odh_len));
+int
+dp_send_config_reply(struct datapath *dp, uint32_t xid)
+{
+ struct sk_buff *skb;
+ struct ofp_switch_config *osc;
+ int err;
- err = genlmsg_end(skb, data);
- if (err < 0) {
- if (net_ratelimit())
- printk("dp_send_hello: genlmsg_end failed\n");
- goto error;
- }
+ osc = alloc_openflow_skb(dp, sizeof *osc, OFPT_PORT_STATUS, 0, &skb);
+ if (!osc)
+ return -ENOMEM;
+ memcpy(((char *)osc) + sizeof osc->header,
+ ((char *)&dp->config) + sizeof dp->config.header,
+ sizeof dp->config - sizeof dp->config.header);
err = genlmsg_multicast(skb, 0, mc_group.id, GFP_ATOMIC);
if (err && net_ratelimit())
- printk(KERN_WARNING "dp_send_hello: genlmsg_multicast failed: %d\n", err);
+ printk(KERN_WARNING "send_port_status: genlmsg_multicast failed: %d\n", err);
return err;
-
-nla_put_failure:
-error:
- kfree_skb(skb);
- if (net_ratelimit())
- printk(KERN_ERR "dp_send_hello: failed to send: %d\n", err);
- return err;
}
int
send_port_status(struct net_bridge_port *p, uint8_t status)
{
struct sk_buff *skb;
- struct nlattr *attr;
struct ofp_port_status *ops;
- void *data;
- int err = -ENOMEM;
-
-
- skb = genlmsg_new(NLMSG_GOODSIZE, GFP_ATOMIC);
- if (!skb) {
- if (net_ratelimit())
- printk("send_port_status: genlmsg_new failed\n");
- goto error;
- }
-
- data = genlmsg_put(skb, 0, 0, &dp_genl_family, 0,
- DP_GENL_C_OPENFLOW);
- if (data == NULL) {
- if (net_ratelimit())
- printk("send_port_status: genlmsg_put failed\n");
- goto error;
- }
-
- NLA_PUT_U32(skb, DP_GENL_A_DP_IDX, p->dp->dp_idx);
-
- attr = nla_reserve(skb, DP_GENL_A_OPENFLOW, sizeof(*ops));
- if (!attr) {
- if (net_ratelimit())
- printk("send_port_status: nla_reserve failed\n");
- goto error;
- }
-
- ops = nla_data(attr);
- ops->header.version = OFP_VERSION;
- ops->header.type = OFPT_PORT_STATUS;
- ops->header.length = htons(sizeof(*ops));
- ops->header.xid = htonl(0);
+ int err;
- ops->reason = status;
+ ops = alloc_openflow_skb(p->dp, sizeof *ops, OFPT_PORT_STATUS, 0,
+ &skb);
+ if (!ops)
+ return -ENOMEM;
+ ops->reason = status;
fill_port_desc(p, &ops->desc);
- err = genlmsg_end(skb, data);
- if (err < 0) {
- if (net_ratelimit())
- printk("send_port_status: genlmsg_end failed\n");
- goto error;
- }
-
err = genlmsg_multicast(skb, 0, mc_group.id, GFP_ATOMIC);
if (err && net_ratelimit())
printk(KERN_WARNING "send_port_status: genlmsg_multicast failed: %d\n", err);
return err;
-
-nla_put_failure:
-error:
- kfree_skb(skb);
- if (net_ratelimit())
- printk(KERN_ERR "send_port_status: failed to send: %d\n", err);
- return err;
}
int
dp_send_flow_expired(struct datapath *dp, struct sw_flow *flow)
{
struct sk_buff *skb;
- struct nlattr *attr;
struct ofp_flow_expired *ofe;
- void *data;
unsigned long duration_j;
- int err = -ENOMEM;
-
-
- skb = genlmsg_new(NLMSG_GOODSIZE, GFP_ATOMIC);
- if (!skb) {
- if (net_ratelimit())
- printk("dp_send_flow_expired: genlmsg_new failed\n");
- goto error;
- }
-
- data = genlmsg_put(skb, 0, 0, &dp_genl_family, 0,
- DP_GENL_C_OPENFLOW);
- if (data == NULL) {
- if (net_ratelimit())
- printk("dp_send_flow_expired: genlmsg_put failed\n");
- goto error;
- }
-
- NLA_PUT_U32(skb, DP_GENL_A_DP_IDX, dp->dp_idx);
-
- attr = nla_reserve(skb, DP_GENL_A_OPENFLOW, sizeof(*ofe));
- if (!attr) {
- if (net_ratelimit())
- printk("dp_send_flow_expired: nla_reserve failed\n");
- goto error;
- }
+ int err;
- ofe = nla_data(attr);
- ofe->header.version = OFP_VERSION;
- ofe->header.type = OFPT_FLOW_EXPIRED;
- ofe->header.length = htons(sizeof(*ofe));
- ofe->header.xid = htonl(0);
+ ofe = alloc_openflow_skb(dp, sizeof *ofe, OFPT_FLOW_EXPIRED, 0, &skb);
+ if (!ofe)
+ return -ENOMEM;
flow_fill_match(&ofe->match, &flow->key);
duration_j = (flow->timeout - HZ * flow->max_idle) - flow->init_time;
ofe->packet_count = cpu_to_be64(flow->packet_count);
ofe->byte_count = cpu_to_be64(flow->byte_count);
- err = genlmsg_end(skb, data);
- if (err < 0) {
- if (net_ratelimit())
- printk("dp_send_flow_expired: genlmsg_end failed\n");
- goto error;
- }
-
err = genlmsg_multicast(skb, 0, mc_group.id, GFP_ATOMIC);
if (err && net_ratelimit())
printk(KERN_WARNING "send_flow_expired: genlmsg_multicast failed: %d\n", err);
return err;
-
-nla_put_failure:
-error:
- kfree_skb(skb);
- if (net_ratelimit())
- printk(KERN_ERR "send_flow_expired: failed to send: %d\n", err);
- return err;
}
/* Generic Netlink interface.
return 0;
}
-static int dp_genl_show(struct sk_buff *skb, struct genl_info *info)
-{
- struct datapath *dp;
- int err = -ENOMEM;
- struct sk_buff *ans_skb = NULL;
- void *data;
- struct nlattr *attr;
- struct ofp_data_hello *odh;
- size_t odh_max_len, odh_len, port_max_len, len;
- int port_count;
-
- if (!info->attrs[DP_GENL_A_DP_IDX])
- return -EINVAL;
-
- mutex_lock(&dp_mutex);
- dp = dp_get(nla_get_u32((info->attrs[DP_GENL_A_DP_IDX])));
- if (!dp)
- goto error;
-
- /* Overallocate, since we can't reliably determine the number of
- * ports a priori. */
- port_max_len = sizeof(struct ofp_phy_port) * OFPP_MAX;
-
- len = nla_total_size(sizeof(*odh) + port_max_len)
- + nla_total_size(sizeof(uint32_t));
-
- ans_skb = nlmsg_new(MAX(len, NLMSG_GOODSIZE), GFP_KERNEL);
- if (!ans_skb)
- goto error;
-
- data = genlmsg_put_reply(ans_skb, info, &dp_genl_family,
- 0, DP_GENL_C_SHOW_DP);
- if (data == NULL)
- goto error;
-
- NLA_PUT_U32(ans_skb, DP_GENL_A_DP_IDX, dp->dp_idx);
-
- odh_max_len = sizeof(*odh) + port_max_len;
- attr = nla_reserve(ans_skb, DP_GENL_A_DP_INFO, odh_max_len);
- if (!attr)
- goto error;
- odh = nla_data(attr);
- port_count = fill_data_hello(dp, odh);
-
- /* Only now that we know how many ports we've added can we say
- * say something about the length. */
- odh_len = sizeof(*odh) + (sizeof(struct ofp_phy_port) * port_count);
- odh->header.length = htons(odh_len);
-
- /* Take back the unused part that was reserved */
- nla_unreserve(ans_skb, attr, (odh_max_len - odh_len));
-
- genlmsg_end(ans_skb, data);
- err = genlmsg_reply(ans_skb, info);
- if (!err)
- ans_skb = NULL;
-
-error:
-nla_put_failure:
- if (ans_skb)
- kfree_skb(ans_skb);
- mutex_unlock(&dp_mutex);
- return err;
-}
-
-static struct genl_ops dp_genl_ops_show_dp = {
- .cmd = DP_GENL_C_SHOW_DP,
- .flags = GENL_ADMIN_PERM, /* Requires CAP_NET_ADMIN privilege. */
- .policy = dp_genl_policy,
- .doit = dp_genl_show,
- .dumpit = NULL,
-};
-
/* Convenience function */
static
void*
&dp_genl_ops_query_flow,
&dp_genl_ops_query_table,
- &dp_genl_ops_show_dp,
&dp_genl_ops_add_dp,
&dp_genl_ops_del_dp,
&dp_genl_ops_query_dp,
struct net_device dev;
struct net_device_stats stats;
- /* Flags from the control hello message */
- uint16_t hello_flags;
-
- /* Maximum number of bytes that should be sent for flow misses */
- uint16_t miss_send_len;
+ struct ofp_switch_config config;
/* Switch ports. */
struct net_bridge_port *ports[OFPP_MAX];
int dp_output_control(struct datapath *, struct sk_buff *,
uint32_t buffer_id, size_t max_len, int reason);
int dp_set_origin(struct datapath *, uint16_t, struct sk_buff *);
-int dp_send_hello(struct datapath *);
+int dp_send_features_reply(struct datapath *, uint32_t xid);
+int dp_send_config_reply(struct datapath *, uint32_t xid);
int dp_send_flow_expired(struct datapath *, struct sw_flow *);
+int dp_send_port_stats(struct datapath *dp, uint32_t xid);
int dp_update_port_flags(struct datapath *dp, const struct ofp_phy_port *opp);
/* Should hold at least RCU read lock when calling */
flow->actions, flow->n_actions);
} else {
dp_output_control(chain->dp, skb, fwd_save_skb(skb),
- chain->dp->miss_send_len, OFPR_NO_MATCH);
+ chain->dp->config.miss_send_len,
+ OFPR_NO_MATCH);
}
}
}
static int
-recv_control_hello(struct sw_chain *chain, const void *msg)
+recv_features_request(struct sw_chain *chain, const void *msg)
{
- const struct ofp_control_hello *och = msg;
-
- printk("control_hello(version=%d)\n", ntohl(och->version));
-
- if (ntohs(och->miss_send_len) != OFP_MISS_SEND_LEN_UNCHANGED) {
- chain->dp->miss_send_len = ntohs(och->miss_send_len);
- }
-
- chain->dp->hello_flags = ntohs(och->flags);
+ const struct ofp_header *ofr = msg;
+ return dp_send_features_reply(chain->dp, ofr->xid);
+}
- dp_send_hello(chain->dp);
+static int
+recv_get_config_request(struct sw_chain *chain, const void *msg)
+{
+ const struct ofp_header *ofr = msg;
+ return dp_send_config_reply(chain->dp, ofr->xid);
+}
+static int
+recv_set_config(struct sw_chain *chain, const void *msg)
+{
+ const struct ofp_switch_config *osc = msg;
+ chain->dp->config = *osc;
return 0;
}
};
static const struct openflow_packet packets[] = {
- [OFPT_CONTROL_HELLO] = {
- sizeof (struct ofp_control_hello),
- recv_control_hello,
+ [OFPT_FEATURES_REQUEST] = {
+ sizeof (struct ofp_header),
+ recv_features_request,
+ },
+ [OFPT_GET_CONFIG_REQUEST] = {
+ sizeof (struct ofp_header),
+ recv_get_config_request,
+ },
+ [OFPT_SET_CONFIG] = {
+ sizeof (struct ofp_switch_config),
+ recv_set_config,
},
[OFPT_PACKET_OUT] = {
sizeof (struct ofp_packet_out),
struct sw_flow *flow = *bucket;
if (flow && flow_timeout(flow)) {
count += do_delete(bucket, flow);
- if (dp->hello_flags & OFP_CHELLO_SEND_FLOW_EXP)
+ if (dp->config.flags & OFPC_SEND_FLOW_EXP)
dp_send_flow_expired(dp, flow);
}
}
struct sw_flow *flow = list_entry(pos, struct sw_flow, u.node);
if (flow_timeout(flow)) {
count += do_delete(swt, flow);
- if (dp->hello_flags & OFP_CHELLO_SEND_FLOW_EXP)
+ if (dp->config.flags & OFPC_SEND_FLOW_EXP)
dp_send_flow_expired(dp, flow);
}
}
hlist_for_each_entry_rcu (flow, pos, bucket, u.hnode) {
if (flow_timeout(flow)) {
count += do_delete(swt, flow);
- if (dp->hello_flags & OFP_CHELLO_SEND_FLOW_EXP)
+ if (dp->config.flags & OFPC_SEND_FLOW_EXP)
dp_send_flow_expired(dp, flow);
}
}
void *buffer_end(const struct buffer *);
void *buffer_put_uninit(struct buffer *, size_t);
-void buffer_put(struct buffer *, const void *, size_t);
+void *buffer_put(struct buffer *, const void *, size_t);
void *buffer_push_uninit(struct buffer *b, size_t);
size_t buffer_headroom(struct buffer *);
#endif
/* Maximum length of a OpenFlow packet. */
-#define OFP_MAXLEN (sizeof(struct ofp_data_hello) \
+#define OFP_MAXLEN (sizeof(struct ofp_switch_features) \
+ (sizeof(struct ofp_phy_port) * OFPP_MAX) + 200)
#define OFP_VERSION 1
};
enum ofp_type {
- OFPT_CONTROL_HELLO, /* 0 Controller/switch message */
- OFPT_DATA_HELLO, /* 1 Controller/switch message */
- OFPT_PACKET_IN, /* 2 Async message */
- OFPT_PACKET_OUT, /* 3 Controller/switch message */
- OFPT_FLOW_MOD, /* 4 Controller/switch message */
- OFPT_FLOW_EXPIRED, /* 5 Async message */
- OFPT_TABLE, /* 6 Controller/switch message */
- OFPT_PORT_MOD, /* 7 Controller/switch message */
- OFPT_PORT_STATUS, /* 8 Async message */
- OFPT_FLOW_STAT_REQUEST, /* 9 Controller/switch message */
- OFPT_FLOW_STAT_REPLY, /* 10 Controller/switch message */
- OFPT_TABLE_STAT_REQUEST, /* 11 Controller/switch message */
- OFPT_TABLE_STAT_REPLY, /* 12 Controller/switch message */
- OFPT_PORT_STAT_REQUEST, /* 13 Controller/switch message */
- OFPT_PORT_STAT_REPLY /* 14 Controller/switch message */
+ OFPT_FEATURES_REQUEST, /* 0 Controller/switch message */
+ OFPT_FEATURES_REPLY, /* 1 Controller/switch message */
+ OFPT_GET_CONFIG_REQUEST, /* 2 Controller/switch message */
+ OFPT_GET_CONFIG_REPLY, /* 3 Controller/switch message */
+ OFPT_SET_CONFIG, /* 4 Controller/switch message */
+ OFPT_PACKET_IN, /* 5 Async message */
+ OFPT_PACKET_OUT, /* 6 Controller/switch message */
+ OFPT_FLOW_MOD, /* 7 Controller/switch message */
+ OFPT_FLOW_EXPIRED, /* 8 Async message */
+ OFPT_TABLE, /* 9 Controller/switch message */
+ OFPT_PORT_MOD, /* 10 Controller/switch message */
+ OFPT_PORT_STATUS, /* 11 Async message */
+ OFPT_FLOW_STAT_REQUEST, /* 12 Controller/switch message */
+ OFPT_FLOW_STAT_REPLY, /* 13 Controller/switch message */
+ OFPT_TABLE_STAT_REQUEST, /* 14 Controller/switch message */
+ OFPT_TABLE_STAT_REPLY, /* 15 Controller/switch message */
+ OFPT_PORT_STAT_REQUEST, /* 16 Controller/switch message */
+ OFPT_PORT_STAT_REPLY /* 17 Controller/switch message */
};
/* Header on all OpenFlow packets. */
};
#define OFP_DEFAULT_MISS_SEND_LEN 128
-#define OFP_MISS_SEND_LEN_UNCHANGED 0xffff
-/* Flag to indicate that datapath should notify the controller of
- * expired flow entries.
- */
-#define OFP_CHELLO_SEND_FLOW_EXP 0x0001
+enum ofp_config_flags {
+ /* Tells datapath to notify the controller of expired flow entries. */
+ OFPC_SEND_FLOW_EXP = 1 << 0
+};
-/* Controller hello (controller -> datapath). */
-struct ofp_control_hello {
+/* Switch configuration. */
+struct ofp_switch_config {
struct ofp_header header;
- uint32_t version; /* Max supported protocol version (?) */
- uint16_t flags;
- uint16_t miss_send_len; /* Max bytes of new flow that datapath should
- send to the controller. A value of
- OFP_MISS_SEND_LEN_UNCHANGED leaves the
- currently configured value unchanged. */
+ uint16_t flags; /* OFPC_* flags. */
+ uint16_t miss_send_len; /* Max bytes of new flow that datapath should
+ send to the controller. */
};
/* Capabilities supported by the datapath. */
uint32_t features; /* Bitmap of supported "ofp_port_features"s. */
};
-/* Datapath hello (datapath -> controller). */
-struct ofp_data_hello {
+/* Switch features. */
+struct ofp_switch_features {
struct ofp_header header;
uint64_t datapath_id; /* Datapath unique ID */
uint32_t capabilities; /* Bitmap of support "ofp_capabilities". */
uint32_t actions; /* Bitmap of supported "ofp_action_type"s. */
- /* Miscellany */
- uint16_t miss_send_len; /* Currently configured value for max bytes
- of new flow that datapath will send to the
- controller. */
- uint8_t pad[2]; /* Align to 32-bits */
-
/* Port info.*/
struct ofp_phy_port ports[0]; /* Port definitions. The number of ports
- is inferred from the length field in
+ is inferred from the length field in
the header. */
};
}
/* Appends the 'size' bytes of data in 'p' to the tail end of 'b'. Data in 'b'
- * is reallocated and copied if necessary. */
-void
+ * is reallocated and copied if necessary. Returns a pointer to the first
+ * byte of the data's location in the buffer. */
+void *
buffer_put(struct buffer *b, const void *p, size_t size)
{
- memcpy(buffer_put_uninit(b, size), p, size);
+ void *dst = buffer_put_uninit(b, size);
+ memcpy(dst, p, size);
+ return dst;
}
void *
return send_mgmt_command(dp, DP_GENL_C_DEL_PORT, netdev);
}
-/* Prints a description of 'dp' to stdout. Returns 0 if successful, otherwise
- * a positive errno value. */
-int
-dpif_show(struct dpif *dp)
-{
- static const struct nl_policy show_policy[] = {
- [DP_GENL_A_DP_INFO] = { .type = NL_A_UNSPEC,
- .min_len = sizeof(struct ofp_data_hello),
- .max_len = SIZE_MAX },
- };
-
- struct buffer request, *reply;
- struct nlattr *attrs[ARRAY_SIZE(show_policy)];
- struct ofp_data_hello *odh;
- int retval;
- size_t len;
-
- buffer_init(&request, 0);
- nl_msg_put_genlmsghdr(&request, dp->sock, 0, openflow_family,
- NLM_F_REQUEST, DP_GENL_C_SHOW_DP, 1);
- nl_msg_put_u32(&request, DP_GENL_A_DP_IDX, dp->dp_idx);
- retval = nl_sock_transact(dp->sock, &request, &reply);
- buffer_uninit(&request);
- if (retval) {
- return retval;
- }
- if (!nl_policy_parse(reply, show_policy, attrs,
- ARRAY_SIZE(show_policy))) {
- buffer_delete(reply);
- return EPROTO;
- }
-
- odh = (void *) nl_attr_get(attrs[DP_GENL_A_DP_INFO]);
- if (odh->header.version != OFP_VERSION
- || odh->header.type != OFPT_DATA_HELLO) {
- VLOG_ERR("bad show query response (%"PRIu8",%"PRIu8")",
- odh->header.version, odh->header.type);
- buffer_delete(reply);
- return EPROTO;
- }
-
- len = nl_attr_get_size(attrs[DP_GENL_A_DP_INFO]);
- ofp_print(stdout, odh, len, 1);
-
- return retval;
-}
-
static const struct nl_policy table_policy[] = {
[DP_GENL_A_NUMTABLES] = { .type = NL_A_U32 },
[DP_GENL_A_TABLE] = { .type = NL_A_UNSPEC },
[DP_GENL_A_FLOW] = { .type = NL_A_UNSPEC },
};
-struct _dump_ofp_flow_mod
-{
- struct ofp_flow_mod ofm;
- struct ofp_action oa;
-};
-
/* Writes a description of flows in the given 'table' in 'dp' to stdout. If
* 'match' is null, all flows in the table are written; otherwise, only
* matching flows are written. Returns 0 if successful, otherwise a positive
for (;;) {
struct nlattr *attrs[ARRAY_SIZE(flow_policy)];
- const struct _dump_ofp_flow_mod *flows, *ofm;
+ const struct ofp_flow_mod *flows, *ofm;
int n_flows;
if (!nl_policy_parse(reply, flow_policy, attrs,
flows = nl_attr_get(attrs[DP_GENL_A_FLOW]);
for (ofm = flows; ofm < &flows[n_flows]; ofm++) {
- if (ofm->ofm.header.version != 1){
+ if (ofm->header.version != 1){
VLOG_DBG("recv_dp_flow incorrect version");
buffer_delete(reply);
return EPROTO;
- } else if (ofm->ofm.header.type != OFPT_FLOW_MOD) {
+ } else if (ofm->header.type != OFPT_FLOW_MOD) {
VLOG_DBG("recv_fp_flow bad return message type");
buffer_delete(reply);
return EPROTO;
}
- ofp_print(stdout, &ofm->ofm, sizeof(struct ofp_flow_mod), 1);
+ ofp_print(stdout, ofm, sizeof *ofm, 1);
putc('\n', stdout);
}
ntohl(port->flags), ntohl(port->features));
}
-/* Pretty-print the OFPT_DATA_HELLO packet of 'len' bytes at 'oh' to 'stream'
- * at the given 'verbosity' level. */
-void ofp_print_data_hello(struct ds *string, const void *oh, size_t len,
- int verbosity)
+/* Pretty-print the struct ofp_switch_features of 'len' bytes at 'oh' to
+ * 'string' at the given 'verbosity' level. */
+static void
+ofp_print_switch_features(struct ds *string, const void *oh, size_t len,
+ int verbosity)
{
- const struct ofp_data_hello *odh = oh;
+ const struct ofp_switch_features *osf = oh;
struct ofp_phy_port port_list[OFPP_MAX];
int n_ports;
int i;
-
- ds_put_format(string, "dp id:%"PRIx64"\n", ntohll(odh->datapath_id));
+ ds_put_format(string, "dp id:%"PRIx64"\n", ntohll(osf->datapath_id));
ds_put_format(string, "tables: exact:%d, mac:%d, compressed:%d, general:%d\n",
- ntohl(odh->n_exact), ntohl(odh->n_mac_only),
- ntohl(odh->n_compression), ntohl(odh->n_general));
- ds_put_format(string, "buffers: size:%d, number:%d, miss_len:%d\n",
- ntohl(odh->buffer_mb), ntohl(odh->n_buffers),
- ntohs(odh->miss_send_len));
+ ntohl(osf->n_exact), ntohl(osf->n_mac_only),
+ ntohl(osf->n_compression), ntohl(osf->n_general));
+ ds_put_format(string, "buffers: size:%d, number:%d\n",
+ ntohl(osf->buffer_mb), ntohl(osf->n_buffers));
ds_put_format(string, "features: capabilities:%#x, actions:%#x\n",
- ntohl(odh->capabilities), ntohl(odh->actions));
+ ntohl(osf->capabilities), ntohl(osf->actions));
- if (ntohs(odh->header.length) >= sizeof *odh) {
- len = MIN(len, ntohs(odh->header.length));
+ if (ntohs(osf->header.length) >= sizeof *osf) {
+ len = MIN(len, ntohs(osf->header.length));
}
- n_ports = (len - sizeof *odh) / sizeof *odh->ports;
+ n_ports = (len - sizeof *osf) / sizeof *osf->ports;
- memcpy(port_list, odh->ports, (len - sizeof *odh));
+ memcpy(port_list, osf->ports, (len - sizeof *osf));
qsort(port_list, n_ports, sizeof port_list[0], compare_ports);
for (i = 0; i < n_ports; i++) {
ofp_print_phy_port(string, &port_list[i]);
}
}
+/* Pretty-print the struct ofp_switch_config of 'len' bytes at 'oh' to 'string'
+ * at the given 'verbosity' level. */
+static void
+ofp_print_switch_config(struct ds *string, const void *oh, size_t len,
+ int verbosity)
+{
+ const struct ofp_switch_config *osc = oh;
+ uint16_t flags;
+
+ flags = ntohs(osc->flags);
+ if (flags & OFPC_SEND_FLOW_EXP) {
+ flags &= ~OFPC_SEND_FLOW_EXP;
+ ds_put_format(string, " (sending flow expirations)");
+ }
+ if (flags) {
+ ds_put_format(string, " ***unknown flags %04"PRIx16"***", flags);
+ }
+
+ ds_put_format(string, " miss_send_len=%"PRIu16"\n", ntohs(osc->miss_send_len));
+}
+
static void print_wild(struct ds *string, const char *leader, int is_wild,
const char *format, ...) __attribute__((format(printf, 4, 5)));
};
static const struct openflow_packet packets[] = {
- [OFPT_CONTROL_HELLO] = {
- "ofp_control_hello",
- sizeof (struct ofp_control_hello),
+ [OFPT_FEATURES_REQUEST] = {
+ "features_request",
+ sizeof (struct ofp_header),
NULL,
},
- [OFPT_DATA_HELLO] = {
- "ofp_data_hello",
- sizeof (struct ofp_data_hello),
- ofp_print_data_hello,
+ [OFPT_FEATURES_REPLY] = {
+ "features_reply",
+ sizeof (struct ofp_switch_features),
+ ofp_print_switch_features,
+ },
+ [OFPT_GET_CONFIG_REQUEST] = {
+ "get_config_request",
+ sizeof (struct ofp_header),
+ NULL,
+ },
+ [OFPT_GET_CONFIG_REPLY] = {
+ "get_config_reply",
+ sizeof (struct ofp_switch_config),
+ ofp_print_switch_config,
+ },
+ [OFPT_SET_CONFIG] = {
+ "set_config",
+ sizeof (struct ofp_switch_config),
+ ofp_print_switch_config,
},
[OFPT_PACKET_IN] = {
- "ofp_packet_in",
+ "packet_in",
offsetof(struct ofp_packet_in, data),
ofp_packet_in,
},
[OFPT_PACKET_OUT] = {
- "ofp_packet_out",
+ "packet_out",
sizeof (struct ofp_packet_out),
ofp_packet_out,
},
[OFPT_FLOW_MOD] = {
- "ofp_flow_mod",
+ "flow_mod",
sizeof (struct ofp_flow_mod),
ofp_print_flow_mod,
},
[OFPT_FLOW_EXPIRED] = {
- "ofp_flow_expired",
+ "flow_expired",
sizeof (struct ofp_flow_expired),
ofp_print_flow_expired,
},
[OFPT_PORT_MOD] = {
- "ofp_port_mod",
+ "port_mod",
sizeof (struct ofp_port_mod),
NULL,
},
[OFPT_PORT_STATUS] = {
- "ofp_port_status",
+ "port_status",
sizeof (struct ofp_port_status),
ofp_print_port_status
},
struct sw_chain *chain; /* Forwarding rules. */
- /* Flags from the control hello message */
- uint16_t hello_flags;
-
- /* Maximum number of bytes that should be sent for flow misses */
- uint16_t miss_send_len;
+ struct ofp_switch_config config;
/* Switch ports. */
struct sw_port ports[OFPP_MAX];
void dp_output_port(struct datapath *, struct buffer *,
int in_port, int out_port);
-void dp_send_hello(struct datapath *);
void dp_update_port_flags(struct datapath *dp, const struct ofp_phy_port *opp);
void dp_output_control(struct datapath *, struct buffer *, int in_port,
size_t max_len, int reason);
}
list_init(&dp->port_list);
- dp->miss_send_len = OFP_DEFAULT_MISS_SEND_LEN;
+ dp->config.flags = 0;
+ dp->config.miss_send_len = OFP_DEFAULT_MISS_SEND_LEN;
*dp_ = dp;
return 0;
}
desc->speed = htonl(netdev_get_speed(p->netdev));
}
-void
-dp_send_hello(struct datapath *dp)
+static void
+dp_send_features_reply(struct datapath *dp, uint32_t xid)
{
struct buffer *buffer;
- struct ofp_data_hello *odh;
+ struct ofp_switch_features *ofr;
struct sw_port *p;
- buffer = buffer_new(sizeof *odh);
- odh = buffer_put_uninit(buffer, sizeof *odh);
- memset(odh, 0, sizeof *odh);
- odh->header.version = OFP_VERSION;
- odh->header.type = OFPT_DATA_HELLO;
- odh->header.xid = htonl(0);
- odh->datapath_id = htonll(dp->id);
- odh->n_exact = htonl(2 * TABLE_HASH_MAX_FLOWS);
- odh->n_mac_only = htonl(TABLE_MAC_MAX_FLOWS);
- odh->n_compression = 0; /* Not supported */
- odh->n_general = htonl(TABLE_LINEAR_MAX_FLOWS);
- odh->buffer_mb = htonl(UINT32_MAX);
- odh->n_buffers = htonl(N_PKT_BUFFERS);
- odh->capabilities = htonl(OFP_SUPPORTED_CAPABILITIES);
- odh->actions = htonl(OFP_SUPPORTED_ACTIONS);
- odh->miss_send_len = htons(dp->miss_send_len);
+ buffer = buffer_new(sizeof *ofr);
+ ofr = buffer_put_uninit(buffer, sizeof *ofr);
+ memset(ofr, 0, sizeof *ofr);
+ ofr->header.version = OFP_VERSION;
+ ofr->header.type = OFPT_FEATURES_REPLY;
+ ofr->header.xid = xid;
+ ofr->datapath_id = htonll(dp->id);
+ ofr->n_exact = htonl(2 * TABLE_HASH_MAX_FLOWS);
+ ofr->n_mac_only = htonl(TABLE_MAC_MAX_FLOWS);
+ ofr->n_compression = 0; /* Not supported */
+ ofr->n_general = htonl(TABLE_LINEAR_MAX_FLOWS);
+ ofr->buffer_mb = htonl(UINT32_MAX);
+ ofr->n_buffers = htonl(N_PKT_BUFFERS);
+ ofr->capabilities = htonl(OFP_SUPPORTED_CAPABILITIES);
+ ofr->actions = htonl(OFP_SUPPORTED_ACTIONS);
LIST_FOR_EACH (p, struct sw_port, node, &dp->port_list) {
struct ofp_phy_port *opp = buffer_put_uninit(buffer, sizeof *opp);
memset(opp, 0, sizeof *opp);
fill_port_desc(dp, p, opp);
}
- odh = buffer_at_assert(buffer, 0, sizeof *odh);
- odh->header.length = htons(buffer->size);
+ ofr = buffer_at_assert(buffer, 0, sizeof *ofr);
+ ofr->header.length = htons(buffer->size);
rconn_send(dp->rconn, buffer);
}
execute_actions(dp, buffer, in_port, &key,
flow->actions, flow->n_actions);
} else {
- dp_output_control(dp, buffer, in_port, dp->miss_send_len,
+ dp_output_control(dp, buffer, in_port, dp->config.miss_send_len,
OFPR_NO_MATCH);
}
}
}
static int
-recv_control_hello(struct datapath *dp, const void *msg)
+recv_features_request(struct datapath *dp, const void *msg)
{
- const struct ofp_control_hello *och = msg;
-
- printf("control_hello(version=%d)\n", ntohl(och->version));
-
- if (ntohs(och->miss_send_len) != OFP_MISS_SEND_LEN_UNCHANGED) {
- dp->miss_send_len = ntohs(och->miss_send_len);
- }
-
- dp->hello_flags = ntohs(och->flags);
+ struct ofp_header *ofr = msg;
+ dp_send_features_reply(dp, ofr->xid);
+ return 0;
+}
- dp_send_hello(dp);
+static int
+recv_get_config_request(struct datapath *dp, const void *msg)
+{
+ struct ofp_header *gcr = msg;
+ struct buffer *buffer;
+ struct ofp_switch_config *osc;
+
+ buffer = buffer_new(sizeof dp->config);
+ osc = buffer_put(buffer, &dp->config, sizeof dp->config);
+ osc->header.version = OFP_VERSION;
+ osc->header.type = OFPT_GET_CONFIG_REPLY;
+ osc->header.length = htons(sizeof *osc);
+ osc->header.xid = gcr->xid;
+ rconn_send(dp->rconn, buffer);
+ return 0;
+}
+static int
+recv_set_config(struct datapath *dp, const void *msg)
+{
+ const struct ofp_switch_config *osc = msg;
+ dp->config = *osc;
return 0;
}
};
static const struct openflow_packet packets[] = {
- [OFPT_CONTROL_HELLO] = {
- sizeof (struct ofp_control_hello),
- recv_control_hello,
+ [OFPT_FEATURES_REQUEST] = {
+ sizeof (struct ofp_header),
+ recv_features_request,
+ },
+ [OFPT_GET_CONFIG_REQUEST] = {
+ sizeof (struct ofp_header),
+ recv_get_config_request,
+ },
+ [OFPT_SET_CONFIG] = {
+ sizeof (struct ofp_switch_config),
+ recv_set_config,
},
[OFPT_PACKET_OUT] = {
sizeof (struct ofp_packet_out),
include ../Make.vars
-bin_PROGRAMS = vlogconf
-if HAVE_NETLINK
-bin_PROGRAMS += dpctl
-endif
+bin_PROGRAMS = vlogconf dpctl
dpctl_SOURCES = dpctl.c
dpctl_LDADD = ../lib/libopenflow.la
#include "openflow.h"
#include "ofp-print.h"
#include "vconn.h"
+#include "vconn-ssl.h"
#include "vlog.h"
#define THIS_MODULE VLM_DPCTL
{"verbose", optional_argument, 0, 'v'},
{"help", no_argument, 0, 'h'},
{"version", no_argument, 0, 'V'},
+#ifdef HAVE_OPENSSL
+ {"private-key", required_argument, 0, 'p'},
+ {"certificate", required_argument, 0, 'c'},
+ {"ca-cert", required_argument, 0, 'C'},
+#endif
{0, 0, 0, 0},
};
char *short_options = long_options_to_short_options(long_options);
vlog_set_verbosity(optarg);
break;
+#ifdef HAVE_OPENSSL
+ case 'p':
+ vconn_ssl_set_private_key_file(optarg);
+ break;
+
+ case 'c':
+ vconn_ssl_set_certificate_file(optarg);
+ break;
+
+ case 'C':
+ vconn_ssl_set_ca_cert_file(optarg);
+ break;
+#endif
+
case '?':
exit(EXIT_FAILURE);
static void
usage(void)
{
- printf("%s: Datapath Utility\n"
+ printf("%s: OpenFlow switch management utility\n"
"usage: %s [OPTIONS] COMMAND [ARG...]\n"
- "\nAvailable commands:\n"
- " adddp DP_ID add a new datapath with ID DP_ID\n"
- " deldp DP_ID delete datapath DP_ID\n"
- " show DP show information about DP\n"
- " addif DP_ID IFACE add IFACE as a port on DP_ID\n"
- " delif DP_ID IFACE delete IFACE as a port on DP_ID\n"
- " monitor DP_ID print packets received on DP_ID\n"
- " dump-tables DP_ID print stats for all tables in DP_ID\n"
- " dump-flows DP_ID T_ID print all flow entries in table T_ID of DP_ID\n"
- " dump-flows DP_ID T_ID FLOW print matching FLOWs in table T_ID of DP_ID\n"
- " add-flows DP FILE add flows from FILE to DP\n"
- " benchmark-nl DP_ID N SIZE send N packets of SIZE bytes up netlink\n"
- "\nOptions:\n"
+#ifdef HAVE_NETLINK
+ "\nCommands that apply to local datapaths only:\n"
+ " adddp nl:DP_ID add a new local datapath DP_ID\n"
+ " deldp nl:DP_ID delete local datapath DP_ID\n"
+ " addif nl:DP_ID IFACE add IFACE as a port on DP_ID\n"
+ " delif nl:DP_ID IFACE delete IFACE as a port on DP_ID\n"
+ " benchmark-nl nl:DP_ID N SIZE send N packets of SIZE bytes\n"
+#endif
+ "\nCommands that also apply to remote switches:\n"
+ " show VCONN show information about VCONN\n"
+ " monitor VCONN print packets received on VCONN\n"
+ " dump-tables VCONN print table stats for VCONN\n"
+ " dump-flows VCONN T_ID print all flow entries in table T_ID of VCONN\n"
+ " dump-flows VCONN T_ID FLOW print matching FLOWs in table T_ID of VCONN\n"
+ " add-flows VCONN FILE add flows from FILE to VCONN\n"
+ "where each VCONN is one of the following:\n"
+ " tcp:HOST[:PORT] PORT (default: %d) on remote TCP HOST\n",
+ program_name, program_name, OFP_TCP_PORT);
+#ifdef HAVE_NETLINK
+ printf(" nl:DP_IDX via netlink to local datapath DP_IDX\n");
+#endif
+#ifdef HAVE_OPENSSL
+ printf(" ssl:HOST[:PORT] SSL PORT (default: %d) on remote HOST\n"
+ "\nPKI configuration (required to use SSL):\n"
+ " -p, --private-key=FILE file with private key\n"
+ " -c, --certificate=FILE file with certificate for private key\n"
+ " -C, --ca-cert=FILE file with peer CA certificate\n",
+ OFP_SSL_PORT);
+#endif
+ printf("\nOptions:\n"
" -v, --verbose set maximum verbosity level\n"
" -h, --help display this help message\n"
- " -V, --version display version information\n",
- program_name, program_name);
+ " -V, --version display version information\n");
exit(EXIT_SUCCESS);
}
fatal(retval, "%s", name);
}
}
+\f
+#ifdef HAVE_NETLINK
+/* Netlink-only commands. */
static int if_up(const char* intf)
{
return system(command);
}
+static void open_nl_vconn(const char *name, bool subscribe, struct dpif *dpif)
+{
+ if (strncmp(name, "nl:", 3)
+ || strlen(name) < 4
+ || name[strspn(name + 3, "0123456789") + 3]) {
+ fatal(0, "%s: argument is not of the form \"nl:DP_ID\"", name);
+ }
+ run(dpif_open(atoi(name + 3), subscribe, dpif), "opening datapath");
+}
+
static void do_add_dp(int argc UNUSED, char *argv[])
{
struct dpif dp;
- run(dpif_open(atoi(argv[1]), false, &dp), "dpif_open");
+ open_nl_vconn(argv[1], false, &dp);
run(dpif_add_dp(&dp), "add_dp");
dpif_close(&dp);
}
static void do_del_dp(int argc UNUSED, char *argv[])
{
struct dpif dp;
- run(dpif_open(atoi(argv[1]), false, &dp), "dpif_open");
+ open_nl_vconn(argv[1], false, &dp);
run(dpif_del_dp(&dp), "del_dp");
dpif_close(&dp);
}
-static void do_show(int argc UNUSED, char *argv[])
-{
- struct dpif dp;
- run(dpif_open(atoi(argv[1]), false, &dp), "dpif_open");
- run(dpif_show(&dp), "show");
- dpif_close(&dp);
-}
-
static void do_add_port(int argc UNUSED, char *argv[])
{
struct dpif dp;
if_up(argv[2]);
- run(dpif_open(atoi(argv[1]), false, &dp), "dpif_open");
+ open_nl_vconn(argv[1], false, &dp);
run(dpif_add_port(&dp, argv[2]), "add_port");
dpif_close(&dp);
}
static void do_del_port(int argc UNUSED, char *argv[])
{
struct dpif dp;
- run(dpif_open(atoi(argv[1]), false, &dp), "dpif_open");
+ open_nl_vconn(argv[1], false, &dp);
run(dpif_del_port(&dp, argv[2]), "del_port");
dpif_close(&dp);
}
uint32_t num_packets, i, milestone;
struct timeval start, end;
- run(dpif_open(atoi(argv[1]), true, &dp), "dpif_open");
+ open_nl_vconn(argv[1], false, &dp);
num_packets = atoi(argv[2]);
milestone = BENCHMARK_INCR;
run(dpif_benchmark_nl(&dp, num_packets, atoi(argv[3])), "benchmark_nl");
dpif_close(&dp);
}
+#endif /* HAVE_NETLINK */
+\f
+/* Generic commands. */
+
+static void do_show(int argc UNUSED, char *argv[])
+{
+#if 0
+ struct dpif dp;
+ run(dpif_open(atoi(argv[1]), false, &dp), "dpif_open");
+ run(dpif_show(&dp), "show");
+ dpif_close(&dp);
+#endif
+}
static void do_monitor(int argc UNUSED, char *argv[])
{
}
static struct command all_commands[] = {
- { "add-dp", 1, 1, do_add_dp },
+#ifdef HAVE_NETLINK
{ "adddp", 1, 1, do_add_dp },
-
- { "del-dp", 1, 1, do_del_dp },
{ "deldp", 1, 1, do_del_dp },
-
- { "show", 1, 1, do_show },
-
- { "add-port", 2, 2, do_add_port },
{ "addif", 2, 2, do_add_port },
-
- { "del-port", 2, 2, do_del_port },
{ "delif", 2, 2, do_del_port },
+ { "benchmark-nl", 3, 3, do_benchmark_nl },
+#endif
+
+ { "show", 1, 1, do_show },
{ "help", 0, INT_MAX, do_help },
{ "monitor", 1, 1, do_monitor },
{ "dump-tables", 1, 1, do_dump_tables },
{ "dump-flows", 2, 3, do_dump_flows },
{ "add-flows", 2, 2, do_add_flows },
-
- { "benchmark-nl", 3, 3, do_benchmark_nl },
};
projects / openvswitch / commitdiff