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datapath: Reduce loop limit by one to 4.
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275707c3 1/* Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013 Nicira, Inc.
c93b1d6a 2 *
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3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
064af421 6 *
a14bc59f 7 * http://www.apache.org/licenses/LICENSE-2.0
064af421 8 *
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9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
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14 */
15
16#include <config.h>
17#include "bridge.h"
064af421 18#include <errno.h>
064af421 19#include <inttypes.h>
064af421 20#include <stdlib.h>
064af421 21#include "bitmap.h"
f620b43a 22#include "bond.h"
b31bcf60 23#include "cfm.h"
064af421 24#include "coverage.h"
a7ff9bd7 25#include "daemon.h"
064af421 26#include "dirs.h"
064af421 27#include "dynamic-string.h"
064af421 28#include "hash.h"
d9a8717a 29#include "hmap.h"
f145afdc 30#include "hmapx.h"
cd11000b 31#include "jsonrpc.h"
6aa74308 32#include "lacp.h"
064af421 33#include "list.h"
e764773c 34#include "mac-learning.h"
254750ce 35#include "meta-flow.h"
064af421 36#include "netdev.h"
064af421 37#include "ofp-print.h"
7beaa082 38#include "ofp-util.h"
064af421 39#include "ofpbuf.h"
8cd4882f 40#include "ofproto/ofproto.h"
064af421 41#include "poll-loop.h"
76343538 42#include "sha1.h"
6c88d577 43#include "shash.h"
79f1cbe9 44#include "smap.h"
064af421 45#include "socket-util.h"
5bd31620 46#include "stream.h"
fe55ad15 47#include "stream-ssl.h"
b3c01ed3 48#include "sset.h"
ce887677 49#include "system-stats.h"
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50#include "timeval.h"
51#include "util.h"
da285df4 52#include "unixctl.h"
52a90c29 53#include "vlandev.h"
eaa67ba8 54#include "lib/vswitch-idl.h"
064af421 55#include "xenserver.h"
5136ce49 56#include "vlog.h"
72b06300 57#include "sflow_api.h"
0fb7b915 58#include "vlan-bitmap.h"
064af421 59
d98e6007 60VLOG_DEFINE_THIS_MODULE(bridge);
064af421 61
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62COVERAGE_DEFINE(bridge_reconfigure);
63
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64/* Configuration of an uninstantiated iface. */
65struct if_cfg {
66 struct hmap_node hmap_node; /* Node in bridge's if_cfg_todo. */
67 const struct ovsrec_interface *cfg; /* Interface record. */
68 const struct ovsrec_port *parent; /* Parent port record. */
81816a5f 69 int64_t ofport; /* Requested OpenFlow port number. */
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70};
71
72/* OpenFlow port slated for removal from ofproto. */
73struct ofpp_garbage {
74 struct list list_node; /* Node in bridge's ofpp_garbage. */
75 uint16_t ofp_port; /* Port to be deleted. */
76};
77
064af421 78struct iface {
0c6aea3f 79 /* These members are always valid. */
83db7968 80 struct list port_elem; /* Element in struct port's "ifaces" list. */
ebea37cc 81 struct hmap_node name_node; /* In struct bridge's "iface_by_name" hmap. */
064af421 82 struct port *port; /* Containing port. */
064af421 83 char *name; /* Host network device name. */
064af421 84
0c6aea3f 85 /* These members are valid only after bridge_reconfigure() causes them to
1e0b752d 86 * be initialized. */
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87 struct hmap_node ofp_port_node; /* In struct bridge's "ifaces" hmap. */
88 int ofp_port; /* OpenFlow port number, -1 if unknown. */
0c6aea3f 89 struct netdev *netdev; /* Network device. */
6cefe1da 90 const char *type; /* Usually same as cfg->type. */
76343538 91 const struct ovsrec_interface *cfg;
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92};
93
064af421 94struct mirror {
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95 struct uuid uuid; /* UUID of this "mirror" record in database. */
96 struct hmap_node hmap_node; /* In struct bridge's "mirrors" hmap. */
064af421 97 struct bridge *bridge;
064af421 98 char *name;
9d24de3b 99 const struct ovsrec_mirror *cfg;
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100};
101
064af421 102struct port {
8052fb14 103 struct hmap_node hmap_node; /* Element in struct bridge's "ports" hmap. */
6e492d81 104 struct bridge *bridge;
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105 char *name;
106
1e0b752d 107 const struct ovsrec_port *cfg;
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108
109 /* An ordinary bridge port has 1 interface.
110 * A bridge port for bonding has at least 2 interfaces. */
83db7968 111 struct list ifaces; /* List of "struct iface"s. */
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112};
113
064af421 114struct bridge {
764072fd 115 struct hmap_node node; /* In 'all_bridges'. */
064af421 116 char *name; /* User-specified arbitrary name. */
66da9bef 117 char *type; /* Datapath type. */
abe457eb 118 uint8_t ea[ETH_ADDR_LEN]; /* Bridge Ethernet Address. */
064af421 119 uint8_t default_ea[ETH_ADDR_LEN]; /* Default MAC. */
1e0b752d 120 const struct ovsrec_bridge *cfg;
064af421 121
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122 /* OpenFlow switch processing. */
123 struct ofproto *ofproto; /* OpenFlow switch. */
124
064af421 125 /* Bridge ports. */
8052fb14 126 struct hmap ports; /* "struct port"s indexed by name. */
892815f5 127 struct hmap ifaces; /* "struct iface"s indexed by ofp_port. */
ebea37cc 128 struct hmap iface_by_name; /* "struct iface"s indexed by name. */
064af421 129
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130 struct list ofpp_garbage; /* "struct ofpp_garbage" slated for removal. */
131 struct hmap if_cfg_todo; /* "struct if_cfg"s slated for creation.
132 Indexed on 'cfg->name'. */
133
064af421 134 /* Port mirroring. */
fa066f01 135 struct hmap mirrors; /* "struct mirror" indexed by UUID. */
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136
137 /* Synthetic local port if necessary. */
138 struct ovsrec_port synth_local_port;
139 struct ovsrec_interface synth_local_iface;
140 struct ovsrec_interface *synth_local_ifacep;
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141};
142
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143/* All bridges, indexed by name. */
144static struct hmap all_bridges = HMAP_INITIALIZER(&all_bridges);
064af421 145
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146/* OVSDB IDL used to obtain configuration. */
147static struct ovsdb_idl *idl;
148
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149/* Most recently processed IDL sequence number. */
150static unsigned int idl_seqno;
151
35a22d8c 152/* Each time this timer expires, the bridge fetches interface and mirror
cd0cd65f 153 * statistics and pushes them into the database. */
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154#define IFACE_STATS_INTERVAL (5 * 1000) /* In milliseconds. */
155static long long int iface_stats_timer = LLONG_MIN;
018f1525 156
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157/* In some datapaths, creating and destroying OpenFlow ports can be extremely
158 * expensive. This can cause bridge_reconfigure() to take a long time during
159 * which no other work can be done. To deal with this problem, we limit port
160 * adds and deletions to a window of OFP_PORT_ACTION_WINDOW milliseconds per
161 * call to bridge_reconfigure(). If there is more work to do after the limit
162 * is reached, 'need_reconfigure', is flagged and it's done on the next loop.
163 * This allows the rest of the code to catch up on important things like
164 * forwarding packets. */
165#define OFP_PORT_ACTION_WINDOW 10
bae7208e 166static bool reconfiguring = false;
c7e7bb21 167
66da9bef 168static void add_del_bridges(const struct ovsrec_open_vswitch *);
bae7208e 169static void bridge_update_ofprotos(void);
66da9bef 170static void bridge_create(const struct ovsrec_bridge *);
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171static void bridge_destroy(struct bridge *);
172static struct bridge *bridge_lookup(const char *name);
8ca79daa 173static unixctl_cb_func bridge_unixctl_dump_flows;
fa05809b 174static unixctl_cb_func bridge_unixctl_reconnect;
1a048029 175static size_t bridge_get_controllers(const struct bridge *br,
76ce9432 176 struct ovsrec_controller ***controllersp);
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177static void bridge_add_del_ports(struct bridge *,
178 const unsigned long int *splinter_vlans);
892815f5 179static void bridge_refresh_ofp_port(struct bridge *);
6f90b8f4 180static void bridge_configure_datapath_id(struct bridge *);
084f5290 181static void bridge_configure_flow_eviction_threshold(struct bridge *);
6f90b8f4 182static void bridge_configure_netflow(struct bridge *);
8402c74b 183static void bridge_configure_forward_bpdu(struct bridge *);
c4069512 184static void bridge_configure_mac_table(struct bridge *);
6f90b8f4 185static void bridge_configure_sflow(struct bridge *, int *sflow_bridge_number);
21f7563c 186static void bridge_configure_stp(struct bridge *);
254750ce 187static void bridge_configure_tables(struct bridge *);
8b6ff729 188static void bridge_configure_dp_desc(struct bridge *);
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189static void bridge_configure_remotes(struct bridge *,
190 const struct sockaddr_in *managers,
191 size_t n_managers);
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192static void bridge_pick_local_hw_addr(struct bridge *,
193 uint8_t ea[ETH_ADDR_LEN],
07c318f4 194 struct iface **hw_addr_iface);
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195static uint64_t bridge_pick_datapath_id(struct bridge *,
196 const uint8_t bridge_ea[ETH_ADDR_LEN],
07c318f4 197 struct iface *hw_addr_iface);
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198static void bridge_queue_if_cfg(struct bridge *,
199 const struct ovsrec_interface *,
200 const struct ovsrec_port *);
064af421 201static uint64_t dpid_from_hash(const void *, size_t nbytes);
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202static bool bridge_has_bond_fake_iface(const struct bridge *,
203 const char *name);
204static bool port_is_bond_fake_iface(const struct port *);
064af421 205
e8fe3026 206static unixctl_cb_func qos_unixctl_show;
8c4c1387 207
66da9bef 208static struct port *port_create(struct bridge *, const struct ovsrec_port *);
66da9bef 209static void port_del_ifaces(struct port *);
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210static void port_destroy(struct port *);
211static struct port *port_lookup(const struct bridge *, const char *name);
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212static void port_configure(struct port *);
213static struct lacp_settings *port_configure_lacp(struct port *,
214 struct lacp_settings *);
df53d41c 215static void port_configure_bond(struct port *, struct bond_settings *);
06b592bc 216static bool port_is_synthetic(const struct port *);
fa066f01 217
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218static void reconfigure_system_stats(const struct ovsrec_open_vswitch *);
219static void run_system_stats(void);
220
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221static void bridge_configure_mirrors(struct bridge *);
222static struct mirror *mirror_create(struct bridge *,
223 const struct ovsrec_mirror *);
064af421 224static void mirror_destroy(struct mirror *);
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225static bool mirror_configure(struct mirror *);
226static void mirror_refresh_stats(struct mirror *);
064af421 227
fa066f01 228static void iface_configure_lacp(struct iface *, struct lacp_slave_settings *);
01546f5d 229static bool iface_create(struct bridge *, struct if_cfg *, int ofp_port);
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230static bool iface_is_internal(const struct ovsrec_interface *iface,
231 const struct ovsrec_bridge *br);
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232static const char *iface_get_type(const struct ovsrec_interface *,
233 const struct ovsrec_bridge *);
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234static void iface_destroy(struct iface *);
235static struct iface *iface_lookup(const struct bridge *, const char *name);
e8fe3026 236static struct iface *iface_find(const char *name);
bae7208e 237static struct if_cfg *if_cfg_lookup(const struct bridge *, const char *name);
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238static struct iface *iface_from_ofp_port(const struct bridge *,
239 uint16_t ofp_port);
52df17e7 240static void iface_set_mac(struct iface *);
bcd49a45 241static void iface_set_ofport(const struct ovsrec_interface *, int64_t ofport);
3fc5a86a 242static void iface_clear_db_record(const struct ovsrec_interface *if_cfg);
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243static void iface_configure_qos(struct iface *, const struct ovsrec_qos *);
244static void iface_configure_cfm(struct iface *);
8f3fe844 245static void iface_refresh_cfm_stats(struct iface *);
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246static void iface_refresh_stats(struct iface *);
247static void iface_refresh_status(struct iface *);
cfea354b 248static bool iface_is_synthetic(const struct iface *);
558e2cc5 249static int64_t iface_pick_ofport(const struct ovsrec_interface *);
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250
251/* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
252 *
253 * This is deprecated. It is only for compatibility with broken device drivers
254 * in old versions of Linux that do not properly support VLANs when VLAN
255 * devices are not used. When broken device drivers are no longer in
256 * widespread use, we will delete these interfaces. */
257
258/* True if VLAN splinters are enabled on any interface, false otherwise.*/
259static bool vlan_splinters_enabled_anywhere;
260
261static bool vlan_splinters_is_enabled(const struct ovsrec_interface *);
262static unsigned long int *collect_splinter_vlans(
263 const struct ovsrec_open_vswitch *);
264static void configure_splinter_port(struct port *);
265static void add_vlan_splinter_ports(struct bridge *,
266 const unsigned long int *splinter_vlans,
267 struct shash *ports);
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268
269static void
270bridge_init_ofproto(const struct ovsrec_open_vswitch *cfg)
271{
272 struct shash iface_hints;
273 static bool initialized = false;
274 int i;
275
276 if (initialized) {
277 return;
278 }
279
280 shash_init(&iface_hints);
281
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282 if (cfg) {
283 for (i = 0; i < cfg->n_bridges; i++) {
284 const struct ovsrec_bridge *br_cfg = cfg->bridges[i];
285 int j;
286
287 for (j = 0; j < br_cfg->n_ports; j++) {
288 struct ovsrec_port *port_cfg = br_cfg->ports[j];
289 int k;
290
291 for (k = 0; k < port_cfg->n_interfaces; k++) {
292 struct ovsrec_interface *if_cfg = port_cfg->interfaces[k];
293 struct iface_hint *iface_hint;
294
295 iface_hint = xmalloc(sizeof *iface_hint);
296 iface_hint->br_name = br_cfg->name;
297 iface_hint->br_type = br_cfg->datapath_type;
558e2cc5 298 iface_hint->ofp_port = iface_pick_ofport(if_cfg);
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299
300 shash_add(&iface_hints, if_cfg->name, iface_hint);
301 }
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302 }
303 }
304 }
305
306 ofproto_init(&iface_hints);
307
308 shash_destroy_free_data(&iface_hints);
309 initialized = true;
310}
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311\f
312/* Public functions. */
313
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314/* Initializes the bridge module, configuring it to obtain its configuration
315 * from an OVSDB server accessed over 'remote', which should be a string in a
316 * form acceptable to ovsdb_idl_create(). */
064af421 317void
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318bridge_init(const char *remote)
319{
320 /* Create connection to database. */
ef73f86c 321 idl = ovsdb_idl_create(remote, &ovsrec_idl_class, true);
854a94d9 322 idl_seqno = ovsdb_idl_get_seqno(idl);
06b6d651 323 ovsdb_idl_set_lock(idl, "ovs_vswitchd");
8cdec725 324 ovsdb_idl_verify_write_only(idl);
c5187f17 325
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326 ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_cur_cfg);
327 ovsdb_idl_omit_alert(idl, &ovsrec_open_vswitch_col_statistics);
e85bbd75 328 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_external_ids);
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329 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_ovs_version);
330 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_db_version);
331 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_system_type);
332 ovsdb_idl_omit(idl, &ovsrec_open_vswitch_col_system_version);
e85bbd75 333
62f3aaed 334 ovsdb_idl_omit_alert(idl, &ovsrec_bridge_col_datapath_id);
21f7563c 335 ovsdb_idl_omit_alert(idl, &ovsrec_bridge_col_status);
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336 ovsdb_idl_omit(idl, &ovsrec_bridge_col_external_ids);
337
21f7563c 338 ovsdb_idl_omit_alert(idl, &ovsrec_port_col_status);
80740385 339 ovsdb_idl_omit_alert(idl, &ovsrec_port_col_statistics);
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340 ovsdb_idl_omit(idl, &ovsrec_port_col_external_ids);
341 ovsdb_idl_omit(idl, &ovsrec_port_col_fake_bridge);
342
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343 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_admin_state);
344 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_duplex);
345 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_speed);
346 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_state);
65c3058c 347 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_link_resets);
62f3aaed 348 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_mtu);
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349 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_ofport);
350 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_statistics);
62f3aaed 351 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_status);
b4117094 352 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_fault);
b9380396 353 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_fault_status);
1de11730 354 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_remote_mpids);
3967a833 355 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_health);
4104aaf1 356 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_cfm_remote_opstate);
b4117094 357 ovsdb_idl_omit_alert(idl, &ovsrec_interface_col_lacp_current);
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358 ovsdb_idl_omit(idl, &ovsrec_interface_col_external_ids);
359
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360 ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_is_connected);
361 ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_role);
362 ovsdb_idl_omit_alert(idl, &ovsrec_controller_col_status);
363 ovsdb_idl_omit(idl, &ovsrec_controller_col_external_ids);
364
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365 ovsdb_idl_omit(idl, &ovsrec_qos_col_external_ids);
366
367 ovsdb_idl_omit(idl, &ovsrec_queue_col_external_ids);
368
369 ovsdb_idl_omit(idl, &ovsrec_mirror_col_external_ids);
9d24de3b 370 ovsdb_idl_omit_alert(idl, &ovsrec_mirror_col_statistics);
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371
372 ovsdb_idl_omit(idl, &ovsrec_netflow_col_external_ids);
373
374 ovsdb_idl_omit(idl, &ovsrec_sflow_col_external_ids);
375
376 ovsdb_idl_omit(idl, &ovsrec_manager_col_external_ids);
377 ovsdb_idl_omit(idl, &ovsrec_manager_col_inactivity_probe);
378 ovsdb_idl_omit(idl, &ovsrec_manager_col_is_connected);
379 ovsdb_idl_omit(idl, &ovsrec_manager_col_max_backoff);
380 ovsdb_idl_omit(idl, &ovsrec_manager_col_status);
381
382 ovsdb_idl_omit(idl, &ovsrec_ssl_col_external_ids);
383
c5187f17 384 /* Register unixctl commands. */
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385 unixctl_command_register("qos/show", "interface", 1, 1,
386 qos_unixctl_show, NULL);
387 unixctl_command_register("bridge/dump-flows", "bridge", 1, 1,
7ff2009a 388 bridge_unixctl_dump_flows, NULL);
0e15264f 389 unixctl_command_register("bridge/reconnect", "[bridge]", 0, 1,
7ff2009a 390 bridge_unixctl_reconnect, NULL);
5827ce14 391 lacp_init();
c5187f17 392 bond_init();
9ac3fce4 393 cfm_init();
fe4a02e4 394 stp_init();
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395}
396
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397void
398bridge_exit(void)
399{
400 struct bridge *br, *next_br;
401
764072fd 402 HMAP_FOR_EACH_SAFE (br, next_br, node, &all_bridges) {
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403 bridge_destroy(br);
404 }
405 ovsdb_idl_destroy(idl);
406}
407
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408/* Looks at the list of managers in 'ovs_cfg' and extracts their remote IP
409 * addresses and ports into '*managersp' and '*n_managersp'. The caller is
410 * responsible for freeing '*managersp' (with free()).
411 *
412 * You may be asking yourself "why does ovs-vswitchd care?", because
413 * ovsdb-server is responsible for connecting to the managers, and ovs-vswitchd
414 * should not be and in fact is not directly involved in that. But
415 * ovs-vswitchd needs to make sure that ovsdb-server can reach the managers, so
416 * it has to tell in-band control where the managers are to enable that.
94db5407 417 * (Thus, only managers connected in-band are collected.)
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418 */
419static void
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420collect_in_band_managers(const struct ovsrec_open_vswitch *ovs_cfg,
421 struct sockaddr_in **managersp, size_t *n_managersp)
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422{
423 struct sockaddr_in *managers = NULL;
424 size_t n_managers = 0;
b3c01ed3 425 struct sset targets;
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426 size_t i;
427
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428 /* Collect all of the potential targets from the "targets" columns of the
429 * rows pointed to by "manager_options", excluding any that are
430 * out-of-band. */
b3c01ed3 431 sset_init(&targets);
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432 for (i = 0; i < ovs_cfg->n_manager_options; i++) {
433 struct ovsrec_manager *m = ovs_cfg->manager_options[i];
434
435 if (m->connection_mode && !strcmp(m->connection_mode, "out-of-band")) {
b3c01ed3 436 sset_find_and_delete(&targets, m->target);
94db5407 437 } else {
b3c01ed3 438 sset_add(&targets, m->target);
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439 }
440 }
cd11000b 441
94db5407 442 /* Now extract the targets' IP addresses. */
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443 if (!sset_is_empty(&targets)) {
444 const char *target;
cd11000b 445
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446 managers = xmalloc(sset_count(&targets) * sizeof *managers);
447 SSET_FOR_EACH (target, &targets) {
94db5407 448 struct sockaddr_in *sin = &managers[n_managers];
cd11000b 449
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450 if (stream_parse_target_with_default_ports(target,
451 JSONRPC_TCP_PORT,
452 JSONRPC_SSL_PORT,
453 sin)) {
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454 n_managers++;
455 }
456 }
457 }
b3c01ed3 458 sset_destroy(&targets);
cd11000b
BP
459
460 *managersp = managers;
461 *n_managersp = n_managers;
462}
463
c5187f17 464static void
76343538 465bridge_reconfigure(const struct ovsrec_open_vswitch *ovs_cfg)
064af421 466{
52a90c29 467 unsigned long int *splinter_vlans;
bae7208e 468 struct bridge *br;
064af421
BP
469
470 COVERAGE_INC(bridge_reconfigure);
471
cb22974d 472 ovs_assert(!reconfiguring);
bae7208e 473 reconfiguring = true;
c7e7bb21 474
bae7208e
EJ
475 /* Destroy "struct bridge"s, "struct port"s, and "struct iface"s according
476 * to 'ovs_cfg' while update the "if_cfg_queue", with only very minimal
477 * configuration otherwise.
66da9bef 478 *
bae7208e
EJ
479 * This is mostly an update to bridge data structures. Nothing is pushed
480 * down to ofproto or lower layers. */
66da9bef 481 add_del_bridges(ovs_cfg);
52a90c29 482 splinter_vlans = collect_splinter_vlans(ovs_cfg);
764072fd 483 HMAP_FOR_EACH (br, node, &all_bridges) {
52a90c29 484 bridge_add_del_ports(br, splinter_vlans);
76343538 485 }
52a90c29 486 free(splinter_vlans);
064af421 487
bae7208e
EJ
488 /* Delete datapaths that are no longer configured, and create ones which
489 * don't exist but should. */
490 bridge_update_ofprotos();
491
492 /* Make sure each "struct iface" has a correct ofp_port in its ofproto. */
764072fd 493 HMAP_FOR_EACH (br, node, &all_bridges) {
bae7208e
EJ
494 bridge_refresh_ofp_port(br);
495 }
496
497 /* Clear database records for "if_cfg"s which haven't been instantiated. */
498 HMAP_FOR_EACH (br, node, &all_bridges) {
499 struct if_cfg *if_cfg;
500
501 HMAP_FOR_EACH (if_cfg, hmap_node, &br->if_cfg_todo) {
502 iface_clear_db_record(if_cfg->cfg);
76343538 503 }
064af421 504 }
35a22d8c
BP
505
506 reconfigure_system_stats(ovs_cfg);
bae7208e 507}
064af421 508
bae7208e
EJ
509static bool
510bridge_reconfigure_ofp(void)
511{
512 long long int deadline;
513 struct bridge *br;
514
515 time_refresh();
516 deadline = time_msec() + OFP_PORT_ACTION_WINDOW;
517
518 /* The kernel will reject any attempt to add a given port to a datapath if
519 * that port already belongs to a different datapath, so we must do all
520 * port deletions before any port additions. */
521 HMAP_FOR_EACH (br, node, &all_bridges) {
522 struct ofpp_garbage *garbage, *next;
523
524 LIST_FOR_EACH_SAFE (garbage, next, list_node, &br->ofpp_garbage) {
6b803ddc
EJ
525 /* It's a bit dangerous to call bridge_run_fast() here as ofproto's
526 * internal datastructures may not be consistent. Eventually, when
527 * port additions and deletions are cheaper, these calls should be
528 * removed. */
529 bridge_run_fast();
bae7208e
EJ
530 ofproto_port_del(br->ofproto, garbage->ofp_port);
531 list_remove(&garbage->list_node);
532 free(garbage);
533
534 time_refresh();
535 if (time_msec() >= deadline) {
536 return false;
e56365a5 537 }
6b803ddc 538 bridge_run_fast();
064af421
BP
539 }
540 }
bae7208e 541
e8192d80 542 HMAP_FOR_EACH (br, node, &all_bridges) {
bae7208e
EJ
543 struct if_cfg *if_cfg, *next;
544
545 HMAP_FOR_EACH_SAFE (if_cfg, next, hmap_node, &br->if_cfg_todo) {
546 iface_create(br, if_cfg, -1);
547 time_refresh();
548 if (time_msec() >= deadline) {
549 return false;
550 }
551 }
064af421 552 }
064af421 553
bae7208e
EJ
554 return true;
555}
556
557static bool
558bridge_reconfigure_continue(const struct ovsrec_open_vswitch *ovs_cfg)
559{
560 struct sockaddr_in *managers;
561 int sflow_bridge_number;
562 size_t n_managers;
563 struct bridge *br;
564 bool done;
565
cb22974d 566 ovs_assert(reconfiguring);
bae7208e
EJ
567 done = bridge_reconfigure_ofp();
568
66da9bef
BP
569 /* Complete the configuration. */
570 sflow_bridge_number = 0;
571 collect_in_band_managers(ovs_cfg, &managers, &n_managers);
764072fd 572 HMAP_FOR_EACH (br, node, &all_bridges) {
8052fb14 573 struct port *port;
064af421 574
f145afdc
BP
575 /* We need the datapath ID early to allow LACP ports to use it as the
576 * default system ID. */
577 bridge_configure_datapath_id(br);
578
8052fb14 579 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
83db7968 580 struct iface *iface;
52df17e7 581
fa066f01 582 port_configure(port);
c1c9c9c4 583
48e1b7fb 584 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
66da9bef
BP
585 iface_configure_cfm(iface);
586 iface_configure_qos(iface, port->cfg->qos);
7ae79235 587 iface_set_mac(iface);
064af421
BP
588 }
589 }
fa066f01 590 bridge_configure_mirrors(br);
084f5290 591 bridge_configure_flow_eviction_threshold(br);
8402c74b 592 bridge_configure_forward_bpdu(br);
c4069512 593 bridge_configure_mac_table(br);
fa066f01 594 bridge_configure_remotes(br, managers, n_managers);
66da9bef
BP
595 bridge_configure_netflow(br);
596 bridge_configure_sflow(br, &sflow_bridge_number);
21f7563c 597 bridge_configure_stp(br);
254750ce 598 bridge_configure_tables(br);
8b6ff729 599 bridge_configure_dp_desc(br);
064af421 600 }
66da9bef 601 free(managers);
064af421 602
bae7208e 603 if (done) {
c7e7bb21
EJ
604 /* ovs-vswitchd has completed initialization, so allow the process that
605 * forked us to exit successfully. */
606 daemonize_complete();
bae7208e 607 reconfiguring = false;
9dbc190c 608
fded7f98 609 VLOG_INFO_ONCE("%s (Open vSwitch) %s", program_name, VERSION);
c7e7bb21 610 }
bae7208e
EJ
611
612 return done;
66da9bef 613}
064af421 614
bae7208e
EJ
615/* Delete ofprotos which aren't configured or have the wrong type. Create
616 * ofprotos which don't exist but need to. */
66da9bef 617static void
bae7208e 618bridge_update_ofprotos(void)
66da9bef 619{
bae7208e 620 struct bridge *br, *next;
f79e673f
BP
621 struct sset names;
622 struct sset types;
66da9bef 623 const char *type;
6c88d577 624
bae7208e 625 /* Delete ofprotos with no bridge or with the wrong type. */
f79e673f
BP
626 sset_init(&names);
627 sset_init(&types);
628 ofproto_enumerate_types(&types);
629 SSET_FOR_EACH (type, &types) {
66da9bef 630 const char *name;
3a6ccc8c 631
f79e673f
BP
632 ofproto_enumerate_names(type, &names);
633 SSET_FOR_EACH (name, &names) {
bae7208e 634 br = bridge_lookup(name);
66da9bef 635 if (!br || strcmp(type, br->type)) {
f79e673f 636 ofproto_delete(name, type);
3a6ccc8c 637 }
b31bcf60
EJ
638 }
639 }
f79e673f
BP
640 sset_destroy(&names);
641 sset_destroy(&types);
76343538 642
bae7208e
EJ
643 /* Add ofprotos for bridges which don't have one yet. */
644 HMAP_FOR_EACH_SAFE (br, next, node, &all_bridges) {
645 struct bridge *br2;
646 int error;
647
648 if (br->ofproto) {
649 continue;
650 }
651
652 /* Remove ports from any datapath with the same name as 'br'. If we
653 * don't do this, creating 'br''s ofproto will fail because a port with
654 * the same name as its local port already exists. */
655 HMAP_FOR_EACH (br2, node, &all_bridges) {
656 struct ofproto_port ofproto_port;
657
658 if (!br2->ofproto) {
659 continue;
660 }
661
662 if (!ofproto_port_query_by_name(br2->ofproto, br->name,
663 &ofproto_port)) {
664 error = ofproto_port_del(br2->ofproto, ofproto_port.ofp_port);
665 if (error) {
666 VLOG_ERR("failed to delete port %s: %s", ofproto_port.name,
667 strerror(error));
668 }
669 ofproto_port_destroy(&ofproto_port);
670 }
671 }
672
673 error = ofproto_create(br->name, br->type, &br->ofproto);
674 if (error) {
675 VLOG_ERR("failed to create bridge %s: %s", br->name,
676 strerror(error));
677 bridge_destroy(br);
678 }
66da9bef 679 }
093e47f4 680}
c3827f61 681
fa066f01
BP
682static void
683port_configure(struct port *port)
684{
685 const struct ovsrec_port *cfg = port->cfg;
686 struct bond_settings bond_settings;
687 struct lacp_settings lacp_settings;
688 struct ofproto_bundle_settings s;
689 struct iface *iface;
82057f51 690
52a90c29
BP
691 if (cfg->vlan_mode && !strcmp(cfg->vlan_mode, "splinter")) {
692 configure_splinter_port(port);
693 return;
694 }
695
fa066f01
BP
696 /* Get name. */
697 s.name = port->name;
3a6ccc8c 698
fa066f01
BP
699 /* Get slaves. */
700 s.n_slaves = 0;
701 s.slaves = xmalloc(list_size(&port->ifaces) * sizeof *s.slaves);
702 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
892815f5 703 s.slaves[s.n_slaves++] = iface->ofp_port;
fa066f01 704 }
c3827f61 705
fa066f01
BP
706 /* Get VLAN tag. */
707 s.vlan = -1;
acaf1486
BP
708 if (cfg->tag && *cfg->tag >= 0 && *cfg->tag <= 4095) {
709 s.vlan = *cfg->tag;
fa066f01 710 }
b0ec0f27 711
fa066f01
BP
712 /* Get VLAN trunks. */
713 s.trunks = NULL;
ecac4ebf 714 if (cfg->n_trunks) {
fa066f01 715 s.trunks = vlan_bitmap_from_array(cfg->trunks, cfg->n_trunks);
ecac4ebf
BP
716 }
717
718 /* Get VLAN mode. */
719 if (cfg->vlan_mode) {
720 if (!strcmp(cfg->vlan_mode, "access")) {
721 s.vlan_mode = PORT_VLAN_ACCESS;
722 } else if (!strcmp(cfg->vlan_mode, "trunk")) {
723 s.vlan_mode = PORT_VLAN_TRUNK;
724 } else if (!strcmp(cfg->vlan_mode, "native-tagged")) {
725 s.vlan_mode = PORT_VLAN_NATIVE_TAGGED;
726 } else if (!strcmp(cfg->vlan_mode, "native-untagged")) {
727 s.vlan_mode = PORT_VLAN_NATIVE_UNTAGGED;
728 } else {
729 /* This "can't happen" because ovsdb-server should prevent it. */
730 VLOG_ERR("unknown VLAN mode %s", cfg->vlan_mode);
731 s.vlan_mode = PORT_VLAN_TRUNK;
732 }
733 } else {
734 if (s.vlan >= 0) {
735 s.vlan_mode = PORT_VLAN_ACCESS;
736 if (cfg->n_trunks) {
737 VLOG_ERR("port %s: ignoring trunks in favor of implicit vlan",
738 port->name);
739 }
740 } else {
741 s.vlan_mode = PORT_VLAN_TRUNK;
742 }
064af421 743 }
a699f614
EJ
744 s.use_priority_tags = smap_get_bool(&cfg->other_config, "priority-tags",
745 false);
064af421 746
fa066f01
BP
747 /* Get LACP settings. */
748 s.lacp = port_configure_lacp(port, &lacp_settings);
749 if (s.lacp) {
750 size_t i = 0;
064af421 751
fa066f01
BP
752 s.lacp_slaves = xmalloc(s.n_slaves * sizeof *s.lacp_slaves);
753 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
754 iface_configure_lacp(iface, &s.lacp_slaves[i++]);
064af421 755 }
fa066f01
BP
756 } else {
757 s.lacp_slaves = NULL;
758 }
064af421 759
fa066f01
BP
760 /* Get bond settings. */
761 if (s.n_slaves > 1) {
fa066f01 762 s.bond = &bond_settings;
df53d41c 763 port_configure_bond(port, &bond_settings);
fa066f01
BP
764 } else {
765 s.bond = NULL;
1670c579
EJ
766 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
767 netdev_set_miimon_interval(iface->netdev, 0);
768 }
fa066f01 769 }
093e47f4 770
fa066f01
BP
771 /* Register. */
772 ofproto_bundle_register(port->bridge->ofproto, port, &s);
76343538 773
fa066f01 774 /* Clean up. */
4e51de4c 775 free(s.slaves);
fa066f01
BP
776 free(s.trunks);
777 free(s.lacp_slaves);
778}
76343538 779
6f90b8f4
BP
780/* Pick local port hardware address and datapath ID for 'br'. */
781static void
782bridge_configure_datapath_id(struct bridge *br)
783{
784 uint8_t ea[ETH_ADDR_LEN];
785 uint64_t dpid;
786 struct iface *local_iface;
787 struct iface *hw_addr_iface;
788 char *dpid_string;
76343538 789
6f90b8f4 790 bridge_pick_local_hw_addr(br, ea, &hw_addr_iface);
892815f5 791 local_iface = iface_from_ofp_port(br, OFPP_LOCAL);
6f90b8f4
BP
792 if (local_iface) {
793 int error = netdev_set_etheraddr(local_iface->netdev, ea);
794 if (error) {
795 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
796 VLOG_ERR_RL(&rl, "bridge %s: failed to set bridge "
797 "Ethernet address: %s",
798 br->name, strerror(error));
799 }
800 }
801 memcpy(br->ea, ea, ETH_ADDR_LEN);
76343538 802
6f90b8f4 803 dpid = bridge_pick_datapath_id(br, ea, hw_addr_iface);
e825ace2
BP
804 if (dpid != ofproto_get_datapath_id(br->ofproto)) {
805 VLOG_INFO("bridge %s: using datapath ID %016"PRIx64, br->name, dpid);
806 ofproto_set_datapath_id(br->ofproto, dpid);
807 }
76343538 808
6f90b8f4
BP
809 dpid_string = xasprintf("%016"PRIx64, dpid);
810 ovsrec_bridge_set_datapath_id(br->cfg, dpid_string);
811 free(dpid_string);
812}
064af421 813
7beaa082
SH
814/* Returns a bitmap of "enum ofputil_protocol"s that are allowed for use with
815 * 'br'. */
816static uint32_t
817bridge_get_allowed_versions(struct bridge *br)
818{
819 if (!br->cfg->n_protocols)
820 return 0;
821
822 return ofputil_versions_from_strings(br->cfg->protocols,
823 br->cfg->n_protocols);
824}
825
6f90b8f4
BP
826/* Set NetFlow configuration on 'br'. */
827static void
828bridge_configure_netflow(struct bridge *br)
829{
830 struct ovsrec_netflow *cfg = br->cfg->netflow;
831 struct netflow_options opts;
72b06300 832
6f90b8f4
BP
833 if (!cfg) {
834 ofproto_set_netflow(br->ofproto, NULL);
835 return;
836 }
a4af0040 837
6f90b8f4 838 memset(&opts, 0, sizeof opts);
72b06300 839
6f90b8f4
BP
840 /* Get default NetFlow configuration from datapath.
841 * Apply overrides from 'cfg'. */
842 ofproto_get_netflow_ids(br->ofproto, &opts.engine_type, &opts.engine_id);
843 if (cfg->engine_type) {
844 opts.engine_type = *cfg->engine_type;
845 }
846 if (cfg->engine_id) {
847 opts.engine_id = *cfg->engine_id;
848 }
72b06300 849
6f90b8f4
BP
850 /* Configure active timeout interval. */
851 opts.active_timeout = cfg->active_timeout;
852 if (!opts.active_timeout) {
853 opts.active_timeout = -1;
854 } else if (opts.active_timeout < 0) {
855 VLOG_WARN("bridge %s: active timeout interval set to negative "
856 "value, using default instead (%d seconds)", br->name,
857 NF_ACTIVE_TIMEOUT_DEFAULT);
858 opts.active_timeout = -1;
859 }
72b06300 860
6f90b8f4
BP
861 /* Add engine ID to interface number to disambiguate bridgs? */
862 opts.add_id_to_iface = cfg->add_id_to_interface;
863 if (opts.add_id_to_iface) {
864 if (opts.engine_id > 0x7f) {
865 VLOG_WARN("bridge %s: NetFlow port mangling may conflict with "
866 "another vswitch, choose an engine id less than 128",
867 br->name);
868 }
869 if (hmap_count(&br->ports) > 508) {
870 VLOG_WARN("bridge %s: NetFlow port mangling will conflict with "
871 "another port when more than 508 ports are used",
872 br->name);
873 }
874 }
72b06300 875
6f90b8f4
BP
876 /* Collectors. */
877 sset_init(&opts.collectors);
878 sset_add_array(&opts.collectors, cfg->targets, cfg->n_targets);
a4af0040 879
6f90b8f4
BP
880 /* Configure. */
881 if (ofproto_set_netflow(br->ofproto, &opts)) {
882 VLOG_ERR("bridge %s: problem setting netflow collectors", br->name);
883 }
884 sset_destroy(&opts.collectors);
885}
72b06300 886
6f90b8f4
BP
887/* Set sFlow configuration on 'br'. */
888static void
889bridge_configure_sflow(struct bridge *br, int *sflow_bridge_number)
890{
891 const struct ovsrec_sflow *cfg = br->cfg->sflow;
892 struct ovsrec_controller **controllers;
893 struct ofproto_sflow_options oso;
894 size_t n_controllers;
895 size_t i;
72b06300 896
6f90b8f4
BP
897 if (!cfg) {
898 ofproto_set_sflow(br->ofproto, NULL);
899 return;
064af421 900 }
8052fb14 901
6f90b8f4 902 memset(&oso, 0, sizeof oso);
52df17e7 903
6f90b8f4
BP
904 sset_init(&oso.targets);
905 sset_add_array(&oso.targets, cfg->targets, cfg->n_targets);
c1c9c9c4 906
6f90b8f4
BP
907 oso.sampling_rate = SFL_DEFAULT_SAMPLING_RATE;
908 if (cfg->sampling) {
909 oso.sampling_rate = *cfg->sampling;
064af421 910 }
6f90b8f4
BP
911
912 oso.polling_interval = SFL_DEFAULT_POLLING_INTERVAL;
913 if (cfg->polling) {
914 oso.polling_interval = *cfg->polling;
064af421 915 }
093e47f4 916
6f90b8f4
BP
917 oso.header_len = SFL_DEFAULT_HEADER_SIZE;
918 if (cfg->header) {
919 oso.header_len = *cfg->header;
920 }
392730c4 921
6f90b8f4
BP
922 oso.sub_id = (*sflow_bridge_number)++;
923 oso.agent_device = cfg->agent;
392730c4 924
6f90b8f4
BP
925 oso.control_ip = NULL;
926 n_controllers = bridge_get_controllers(br, &controllers);
927 for (i = 0; i < n_controllers; i++) {
928 if (controllers[i]->local_ip) {
929 oso.control_ip = controllers[i]->local_ip;
930 break;
b31bcf60
EJ
931 }
932 }
6f90b8f4 933 ofproto_set_sflow(br->ofproto, &oso);
b31bcf60 934
6f90b8f4
BP
935 sset_destroy(&oso.targets);
936}
a7ff9bd7 937
21f7563c
JP
938static void
939port_configure_stp(const struct ofproto *ofproto, struct port *port,
940 struct ofproto_port_stp_settings *port_s,
941 int *port_num_counter, unsigned long *port_num_bitmap)
942{
943 const char *config_str;
944 struct iface *iface;
945
079b5942 946 if (!smap_get_bool(&port->cfg->other_config, "stp-enable", true)) {
21f7563c
JP
947 port_s->enable = false;
948 return;
949 } else {
950 port_s->enable = true;
951 }
952
953 /* STP over bonds is not supported. */
954 if (!list_is_singleton(&port->ifaces)) {
955 VLOG_ERR("port %s: cannot enable STP on bonds, disabling",
956 port->name);
957 port_s->enable = false;
958 return;
959 }
960
961 iface = CONTAINER_OF(list_front(&port->ifaces), struct iface, port_elem);
962
963 /* Internal ports shouldn't participate in spanning tree, so
964 * skip them. */
965 if (!strcmp(iface->type, "internal")) {
966 VLOG_DBG("port %s: disable STP on internal ports", port->name);
967 port_s->enable = false;
968 return;
969 }
970
971 /* STP on mirror output ports is not supported. */
972 if (ofproto_is_mirror_output_bundle(ofproto, port)) {
973 VLOG_DBG("port %s: disable STP on mirror ports", port->name);
974 port_s->enable = false;
975 return;
976 }
977
a699f614 978 config_str = smap_get(&port->cfg->other_config, "stp-port-num");
21f7563c
JP
979 if (config_str) {
980 unsigned long int port_num = strtoul(config_str, NULL, 0);
981 int port_idx = port_num - 1;
982
983 if (port_num < 1 || port_num > STP_MAX_PORTS) {
984 VLOG_ERR("port %s: invalid stp-port-num", port->name);
985 port_s->enable = false;
986 return;
987 }
988
989 if (bitmap_is_set(port_num_bitmap, port_idx)) {
990 VLOG_ERR("port %s: duplicate stp-port-num %lu, disabling",
991 port->name, port_num);
992 port_s->enable = false;
993 return;
994 }
995 bitmap_set1(port_num_bitmap, port_idx);
996 port_s->port_num = port_idx;
997 } else {
6019f124 998 if (*port_num_counter >= STP_MAX_PORTS) {
21f7563c
JP
999 VLOG_ERR("port %s: too many STP ports, disabling", port->name);
1000 port_s->enable = false;
1001 return;
1002 }
1003
1004 port_s->port_num = (*port_num_counter)++;
1005 }
1006
a699f614 1007 config_str = smap_get(&port->cfg->other_config, "stp-path-cost");
21f7563c
JP
1008 if (config_str) {
1009 port_s->path_cost = strtoul(config_str, NULL, 10);
1010 } else {
6c038611 1011 enum netdev_features current;
d02a5f8e 1012 unsigned int mbps;
21f7563c 1013
d02a5f8e
BP
1014 netdev_get_features(iface->netdev, &current, NULL, NULL, NULL);
1015 mbps = netdev_features_to_bps(current, 100 * 1000 * 1000) / 1000000;
1016 port_s->path_cost = stp_convert_speed_to_cost(mbps);
21f7563c
JP
1017 }
1018
a699f614 1019 config_str = smap_get(&port->cfg->other_config, "stp-port-priority");
21f7563c
JP
1020 if (config_str) {
1021 port_s->priority = strtoul(config_str, NULL, 0);
1022 } else {
1023 port_s->priority = STP_DEFAULT_PORT_PRIORITY;
1024 }
1025}
1026
1027/* Set spanning tree configuration on 'br'. */
1028static void
1029bridge_configure_stp(struct bridge *br)
1030{
1031 if (!br->cfg->stp_enable) {
1032 ofproto_set_stp(br->ofproto, NULL);
1033 } else {
1034 struct ofproto_stp_settings br_s;
1035 const char *config_str;
1036 struct port *port;
1037 int port_num_counter;
1038 unsigned long *port_num_bitmap;
1039
a699f614 1040 config_str = smap_get(&br->cfg->other_config, "stp-system-id");
21f7563c
JP
1041 if (config_str) {
1042 uint8_t ea[ETH_ADDR_LEN];
1043
1044 if (eth_addr_from_string(config_str, ea)) {
1045 br_s.system_id = eth_addr_to_uint64(ea);
1046 } else {
1047 br_s.system_id = eth_addr_to_uint64(br->ea);
1048 VLOG_ERR("bridge %s: invalid stp-system-id, defaulting "
1049 "to "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(br->ea));
1050 }
1051 } else {
1052 br_s.system_id = eth_addr_to_uint64(br->ea);
1053 }
1054
a699f614 1055 config_str = smap_get(&br->cfg->other_config, "stp-priority");
21f7563c
JP
1056 if (config_str) {
1057 br_s.priority = strtoul(config_str, NULL, 0);
1058 } else {
1059 br_s.priority = STP_DEFAULT_BRIDGE_PRIORITY;
1060 }
1061
a699f614 1062 config_str = smap_get(&br->cfg->other_config, "stp-hello-time");
21f7563c
JP
1063 if (config_str) {
1064 br_s.hello_time = strtoul(config_str, NULL, 10) * 1000;
1065 } else {
1066 br_s.hello_time = STP_DEFAULT_HELLO_TIME;
1067 }
1068
a699f614 1069 config_str = smap_get(&br->cfg->other_config, "stp-max-age");
21f7563c
JP
1070 if (config_str) {
1071 br_s.max_age = strtoul(config_str, NULL, 10) * 1000;
1072 } else {
1073 br_s.max_age = STP_DEFAULT_MAX_AGE;
1074 }
1075
a699f614 1076 config_str = smap_get(&br->cfg->other_config, "stp-forward-delay");
21f7563c
JP
1077 if (config_str) {
1078 br_s.fwd_delay = strtoul(config_str, NULL, 10) * 1000;
1079 } else {
1080 br_s.fwd_delay = STP_DEFAULT_FWD_DELAY;
1081 }
1082
1083 /* Configure STP on the bridge. */
1084 if (ofproto_set_stp(br->ofproto, &br_s)) {
1085 VLOG_ERR("bridge %s: could not enable STP", br->name);
1086 return;
1087 }
1088
1089 /* Users must either set the port number with the "stp-port-num"
1090 * configuration on all ports or none. If manual configuration
1091 * is not done, then we allocate them sequentially. */
1092 port_num_counter = 0;
1093 port_num_bitmap = bitmap_allocate(STP_MAX_PORTS);
1094 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
1095 struct ofproto_port_stp_settings port_s;
1096 struct iface *iface;
1097
1098 port_configure_stp(br->ofproto, port, &port_s,
1099 &port_num_counter, port_num_bitmap);
1100
1101 /* As bonds are not supported, just apply configuration to
1102 * all interfaces. */
1103 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
1104 if (ofproto_port_set_stp(br->ofproto, iface->ofp_port,
1105 &port_s)) {
1106 VLOG_ERR("port %s: could not enable STP", port->name);
1107 continue;
1108 }
1109 }
1110 }
1111
1112 if (bitmap_scan(port_num_bitmap, 0, STP_MAX_PORTS) != STP_MAX_PORTS
1113 && port_num_counter) {
1114 VLOG_ERR("bridge %s: must manually configure all STP port "
1115 "IDs or none, disabling", br->name);
1116 ofproto_set_stp(br->ofproto, NULL);
1117 }
1118 bitmap_free(port_num_bitmap);
1119 }
1120}
1121
e8192d80
BP
1122static bool
1123bridge_has_bond_fake_iface(const struct bridge *br, const char *name)
1124{
1125 const struct port *port = port_lookup(br, name);
1126 return port && port_is_bond_fake_iface(port);
093e47f4
BP
1127}
1128
e8192d80
BP
1129static bool
1130port_is_bond_fake_iface(const struct port *port)
093e47f4 1131{
e8192d80
BP
1132 return port->cfg->bond_fake_iface && !list_is_short(&port->ifaces);
1133}
093e47f4 1134
66da9bef
BP
1135static void
1136add_del_bridges(const struct ovsrec_open_vswitch *cfg)
1137{
1138 struct bridge *br, *next;
1139 struct shash new_br;
1140 size_t i;
1141
1142 /* Collect new bridges' names and types. */
1143 shash_init(&new_br);
1144 for (i = 0; i < cfg->n_bridges; i++) {
5af5b532 1145 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
66da9bef 1146 const struct ovsrec_bridge *br_cfg = cfg->bridges[i];
5af5b532
BP
1147
1148 if (strchr(br_cfg->name, '/')) {
1149 /* Prevent remote ovsdb-server users from accessing arbitrary
1150 * directories, e.g. consider a bridge named "../../../etc/". */
1151 VLOG_WARN_RL(&rl, "ignoring bridge with invalid name \"%s\"",
1152 br_cfg->name);
1153 } else if (!shash_add_once(&new_br, br_cfg->name, br_cfg)) {
1154 VLOG_WARN_RL(&rl, "bridge %s specified twice", br_cfg->name);
66da9bef
BP
1155 }
1156 }
1157
1158 /* Get rid of deleted bridges or those whose types have changed.
1159 * Update 'cfg' of bridges that still exist. */
1160 HMAP_FOR_EACH_SAFE (br, next, node, &all_bridges) {
1161 br->cfg = shash_find_data(&new_br, br->name);
f79e673f
BP
1162 if (!br->cfg || strcmp(br->type, ofproto_normalize_type(
1163 br->cfg->datapath_type))) {
66da9bef
BP
1164 bridge_destroy(br);
1165 }
1166 }
1167
1168 /* Add new bridges. */
1169 for (i = 0; i < cfg->n_bridges; i++) {
1170 const struct ovsrec_bridge *br_cfg = cfg->bridges[i];
1171 struct bridge *br = bridge_lookup(br_cfg->name);
1172 if (!br) {
1173 bridge_create(br_cfg);
1174 }
1175 }
1176
1177 shash_destroy(&new_br);
1178}
1179
66da9bef 1180static void
892815f5 1181iface_set_ofp_port(struct iface *iface, int ofp_port)
66da9bef
BP
1182{
1183 struct bridge *br = iface->port->bridge;
1184
cb22974d 1185 ovs_assert(iface->ofp_port < 0 && ofp_port >= 0);
892815f5
BP
1186 iface->ofp_port = ofp_port;
1187 hmap_insert(&br->ifaces, &iface->ofp_port_node, hash_int(ofp_port, 0));
2e281761 1188 iface_set_ofport(iface->cfg, ofp_port);
66da9bef
BP
1189}
1190
2a485ee8
BP
1191/* Configures 'netdev' based on the "options" column in 'iface_cfg'.
1192 * Returns 0 if successful, otherwise a positive errno value. */
1193static int
1194iface_set_netdev_config(const struct ovsrec_interface *iface_cfg,
1195 struct netdev *netdev)
1196{
2a485ee8
BP
1197 int error;
1198
a699f614 1199 error = netdev_set_config(netdev, &iface_cfg->options);
2a485ee8
BP
1200 if (error) {
1201 VLOG_WARN("could not configure network device %s (%s)",
1202 iface_cfg->name, strerror(error));
1203 }
1204 return error;
1205}
1206
5344c1ac
BP
1207/* This function determines whether 'ofproto_port', which is attached to
1208 * br->ofproto's datapath, is one that we want in 'br'.
1209 *
1210 * If it is, it returns true, after creating an iface (if necessary),
1211 * configuring the iface's netdev according to the iface's options, and setting
1212 * iface's ofp_port member to 'ofproto_port->ofp_port'.
1213 *
1214 * If, on the other hand, 'port' should be removed, it returns false. The
1215 * caller should later detach the port from br->ofproto. */
1216static bool
1217bridge_refresh_one_ofp_port(struct bridge *br,
1218 const struct ofproto_port *ofproto_port)
1219{
1220 const char *name = ofproto_port->name;
1221 const char *type = ofproto_port->type;
1222 uint16_t ofp_port = ofproto_port->ofp_port;
1223
1224 struct iface *iface = iface_lookup(br, name);
1225 if (iface) {
1226 /* Check that the name-to-number mapping is one-to-one. */
1227 if (iface->ofp_port >= 0) {
1228 VLOG_WARN("bridge %s: interface %s reported twice",
1229 br->name, name);
1230 return false;
1231 } else if (iface_from_ofp_port(br, ofp_port)) {
1232 VLOG_WARN("bridge %s: interface %"PRIu16" reported twice",
1233 br->name, ofp_port);
1234 return false;
1235 }
1236
1237 /* There's a configured interface named 'name'. */
1238 if (strcmp(type, iface->type)
1239 || iface_set_netdev_config(iface->cfg, iface->netdev)) {
1240 /* It's the wrong type, or it's the right type but can't be
1241 * configured as the user requested, so we must destroy it. */
1242 return false;
1243 } else {
ee4dd8eb 1244 /* It's the right type and configured correctly. Keep it. */
5344c1ac
BP
1245 iface_set_ofp_port(iface, ofp_port);
1246 return true;
1247 }
1248 } else if (bridge_has_bond_fake_iface(br, name)
1249 && !strcmp(type, "internal")) {
1250 /* It's a bond fake iface. Keep it. */
1251 return true;
1252 } else {
1253 /* There's no configured interface named 'name', but there might be an
1254 * interface of that name queued to be created.
1255 *
1256 * If there is, and it has the correct type, then try to configure it
1257 * and add it. If that's successful, we'll keep it. Otherwise, we'll
1258 * delete it and later try to re-add it. */
1259 struct if_cfg *if_cfg = if_cfg_lookup(br, name);
1260 return (if_cfg
1261 && !strcmp(type, iface_get_type(if_cfg->cfg, br->cfg))
1262 && iface_create(br, if_cfg, ofp_port));
1263 }
1264}
1265
bae7208e
EJ
1266/* Update bridges "if_cfg"s, "struct port"s, and "struct iface"s to be
1267 * consistent with the ofp_ports in "br->ofproto". */
66da9bef 1268static void
892815f5 1269bridge_refresh_ofp_port(struct bridge *br)
66da9bef
BP
1270{
1271 struct ofproto_port_dump dump;
1272 struct ofproto_port ofproto_port;
bae7208e 1273 struct port *port, *port_next;
66da9bef 1274
bae7208e 1275 /* Clear each "struct iface"s ofp_port so we can get its correct value. */
66da9bef
BP
1276 hmap_clear(&br->ifaces);
1277 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
1278 struct iface *iface;
1279
1280 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
892815f5 1281 iface->ofp_port = -1;
66da9bef
BP
1282 }
1283 }
1284
bae7208e
EJ
1285 /* Obtain the correct "ofp_port"s from ofproto. Find any if_cfg's which
1286 * already exist in the datapath and promote them to full fledged "struct
1287 * iface"s. Mark ports in the datapath which don't belong as garbage. */
66da9bef 1288 OFPROTO_PORT_FOR_EACH (&ofproto_port, &dump, br->ofproto) {
5344c1ac
BP
1289 if (!bridge_refresh_one_ofp_port(br, &ofproto_port)) {
1290 struct ofpp_garbage *garbage = xmalloc(sizeof *garbage);
1291 garbage->ofp_port = ofproto_port.ofp_port;
1292 list_push_front(&br->ofpp_garbage, &garbage->list_node);
bae7208e
EJ
1293 }
1294 }
1295
1296 /* Some ifaces may not have "ofp_port"s in ofproto and therefore don't
1297 * deserve to have "struct iface"s. Demote these to "if_cfg"s so that
1298 * later they can be added to ofproto. */
1299 HMAP_FOR_EACH_SAFE (port, port_next, hmap_node, &br->ports) {
1300 struct iface *iface, *iface_next;
1301
1302 LIST_FOR_EACH_SAFE (iface, iface_next, port_elem, &port->ifaces) {
1303 if (iface->ofp_port < 0) {
1304 bridge_queue_if_cfg(br, iface->cfg, port->cfg);
1305 iface_destroy(iface);
66da9bef
BP
1306 }
1307 }
bae7208e
EJ
1308
1309 if (list_is_empty(&port->ifaces)) {
1310 port_destroy(port);
1311 }
66da9bef
BP
1312 }
1313}
1314
81816a5f 1315/* Opens a network device for 'if_cfg' and configures it. If '*ofp_portp'
cc086465
BP
1316 * is negative, adds the network device to br->ofproto and stores the OpenFlow
1317 * port number in '*ofp_portp'; otherwise leaves br->ofproto and '*ofp_portp'
1318 * untouched.
1319 *
1320 * If successful, returns 0 and stores the network device in '*netdevp'. On
1321 * failure, returns a positive errno value and stores NULL in '*netdevp'. */
1322static int
1323iface_do_create(const struct bridge *br,
81816a5f 1324 const struct if_cfg *if_cfg,
cc086465
BP
1325 int *ofp_portp, struct netdev **netdevp)
1326{
81816a5f
JP
1327 const struct ovsrec_interface *iface_cfg = if_cfg->cfg;
1328 const struct ovsrec_port *port_cfg = if_cfg->parent;
cc086465
BP
1329 struct netdev *netdev;
1330 int error;
1331
1332 error = netdev_open(iface_cfg->name,
1333 iface_get_type(iface_cfg, br->cfg), &netdev);
1334 if (error) {
1335 VLOG_WARN("could not open network device %s (%s)",
1336 iface_cfg->name, strerror(error));
1337 goto error;
1338 }
1339
1340 error = iface_set_netdev_config(iface_cfg, netdev);
1341 if (error) {
1342 goto error;
1343 }
1344
1345 if (*ofp_portp < 0) {
81816a5f 1346 uint16_t ofp_port = if_cfg->ofport;
cc086465
BP
1347
1348 error = ofproto_port_add(br->ofproto, netdev, &ofp_port);
1349 if (error) {
1350 goto error;
1351 }
1352 *ofp_portp = ofp_port;
1353
1354 VLOG_INFO("bridge %s: added interface %s on port %d",
1355 br->name, iface_cfg->name, *ofp_portp);
1356 } else {
1357 VLOG_DBG("bridge %s: interface %s is on port %d",
1358 br->name, iface_cfg->name, *ofp_portp);
1359 }
1360
bef071a5
JP
1361 if ((port_cfg->vlan_mode && !strcmp(port_cfg->vlan_mode, "splinter"))
1362 || iface_is_internal(iface_cfg, br->cfg)) {
cc086465
BP
1363 netdev_turn_flags_on(netdev, NETDEV_UP, true);
1364 }
1365
1366 *netdevp = netdev;
1367 return 0;
1368
1369error:
1370 *netdevp = NULL;
1371 netdev_close(netdev);
1372 return error;
1373}
1374
bae7208e
EJ
1375/* Creates a new iface on 'br' based on 'if_cfg'. The new iface has OpenFlow
1376 * port number 'ofp_port'. If ofp_port is negative, an OpenFlow port is
1377 * automatically allocated for the iface. Takes ownership of and
01546f5d
BP
1378 * deallocates 'if_cfg'.
1379 *
1380 * Return true if an iface is successfully created, false otherwise. */
1381static bool
bae7208e 1382iface_create(struct bridge *br, struct if_cfg *if_cfg, int ofp_port)
66da9bef 1383{
cc086465
BP
1384 const struct ovsrec_interface *iface_cfg = if_cfg->cfg;
1385 const struct ovsrec_port *port_cfg = if_cfg->parent;
1386
1387 struct netdev *netdev;
bae7208e
EJ
1388 struct iface *iface;
1389 struct port *port;
1390 int error;
81816a5f 1391 bool ok = true;
52a90c29 1392
6b803ddc
EJ
1393 /* Do the bits that can fail up front.
1394 *
1395 * It's a bit dangerous to call bridge_run_fast() here as ofproto's
1396 * internal datastructures may not be consistent. Eventually, when port
1397 * additions and deletions are cheaper, these calls should be removed. */
1398 bridge_run_fast();
cb22974d 1399 ovs_assert(!iface_lookup(br, iface_cfg->name));
81816a5f 1400 error = iface_do_create(br, if_cfg, &ofp_port, &netdev);
6b803ddc 1401 bridge_run_fast();
bae7208e 1402 if (error) {
558e2cc5 1403 iface_set_ofport(iface_cfg, -1);
cc086465 1404 iface_clear_db_record(iface_cfg);
81816a5f
JP
1405 ok = false;
1406 goto done;
bae7208e 1407 }
c7e7bb21 1408
cc086465
BP
1409 /* Get or create the port structure. */
1410 port = port_lookup(br, port_cfg->name);
1411 if (!port) {
1412 port = port_create(br, port_cfg);
bae7208e
EJ
1413 }
1414
cc086465
BP
1415 /* Create the iface structure. */
1416 iface = xzalloc(sizeof *iface);
1417 list_push_back(&port->ifaces, &iface->port_elem);
1418 hmap_insert(&br->iface_by_name, &iface->name_node,
1419 hash_string(iface_cfg->name, 0));
1420 iface->port = port;
1421 iface->name = xstrdup(iface_cfg->name);
1422 iface->ofp_port = -1;
1423 iface->netdev = netdev;
1424 iface->type = iface_get_type(iface_cfg, br->cfg);
1425 iface->cfg = iface_cfg;
8b5da7a6 1426
cc086465 1427 iface_set_ofp_port(iface, ofp_port);
66da9bef 1428
cc086465
BP
1429 /* Populate initial status in database. */
1430 iface_refresh_stats(iface);
1431 iface_refresh_status(iface);
bae7208e
EJ
1432
1433 /* Add bond fake iface if necessary. */
1434 if (port_is_bond_fake_iface(port)) {
8b5da7a6
BP
1435 struct ofproto_port ofproto_port;
1436
bae7208e
EJ
1437 if (ofproto_port_query_by_name(br->ofproto, port->name,
1438 &ofproto_port)) {
1439 struct netdev *netdev;
1440 int error;
1441
1442 error = netdev_open(port->name, "internal", &netdev);
1443 if (!error) {
0d7bb1b4 1444 uint16_t fake_ofp_port = if_cfg->ofport;
81816a5f 1445
0d7bb1b4 1446 ofproto_port_add(br->ofproto, netdev, &fake_ofp_port);
bae7208e 1447 netdev_close(netdev);
66da9bef 1448 } else {
bae7208e
EJ
1449 VLOG_WARN("could not open network device %s (%s)",
1450 port->name, strerror(error));
66da9bef 1451 }
bae7208e
EJ
1452 } else {
1453 /* Already exists, nothing to do. */
1454 ofproto_port_destroy(&ofproto_port);
66da9bef
BP
1455 }
1456 }
01546f5d 1457
81816a5f
JP
1458done:
1459 hmap_remove(&br->if_cfg_todo, &if_cfg->hmap_node);
1460 free(if_cfg);
1461
1462 return ok;
66da9bef
BP
1463}
1464
084f5290
SH
1465/* Set Flow eviction threshold */
1466static void
1467bridge_configure_flow_eviction_threshold(struct bridge *br)
1468{
1469 const char *threshold_str;
1470 unsigned threshold;
1471
a699f614
EJ
1472 threshold_str = smap_get(&br->cfg->other_config,
1473 "flow-eviction-threshold");
084f5290
SH
1474 if (threshold_str) {
1475 threshold = strtoul(threshold_str, NULL, 10);
1476 } else {
9cac5195 1477 threshold = OFPROTO_FLOW_EVICTION_THRESHOLD_DEFAULT;
084f5290
SH
1478 }
1479 ofproto_set_flow_eviction_threshold(br->ofproto, threshold);
1480}
1481
8402c74b
SS
1482/* Set forward BPDU option. */
1483static void
1484bridge_configure_forward_bpdu(struct bridge *br)
1485{
a699f614
EJ
1486 ofproto_set_forward_bpdu(br->ofproto,
1487 smap_get_bool(&br->cfg->other_config,
1488 "forward-bpdu",
1489 false));
8402c74b
SS
1490}
1491
c4069512 1492/* Set MAC learning table configuration for 'br'. */
e764773c 1493static void
c4069512 1494bridge_configure_mac_table(struct bridge *br)
e764773c
BP
1495{
1496 const char *idle_time_str;
1497 int idle_time;
1498
c4069512
BP
1499 const char *mac_table_size_str;
1500 int mac_table_size;
1501
a699f614 1502 idle_time_str = smap_get(&br->cfg->other_config, "mac-aging-time");
e764773c
BP
1503 idle_time = (idle_time_str && atoi(idle_time_str)
1504 ? atoi(idle_time_str)
1505 : MAC_ENTRY_DEFAULT_IDLE_TIME);
c4069512
BP
1506
1507 mac_table_size_str = smap_get(&br->cfg->other_config, "mac-table-size");
1508 mac_table_size = (mac_table_size_str && atoi(mac_table_size_str)
1509 ? atoi(mac_table_size_str)
1510 : MAC_DEFAULT_MAX);
1511
1512 ofproto_set_mac_table_config(br->ofproto, idle_time, mac_table_size);
e764773c
BP
1513}
1514
064af421
BP
1515static void
1516bridge_pick_local_hw_addr(struct bridge *br, uint8_t ea[ETH_ADDR_LEN],
07c318f4 1517 struct iface **hw_addr_iface)
064af421 1518{
f145afdc 1519 struct hmapx mirror_output_ports;
093e47f4 1520 const char *hwaddr;
8052fb14 1521 struct port *port;
3a48ace3 1522 bool found_addr = false;
064af421 1523 int error;
f145afdc 1524 int i;
064af421 1525
07c318f4 1526 *hw_addr_iface = NULL;
064af421
BP
1527
1528 /* Did the user request a particular MAC? */
a699f614 1529 hwaddr = smap_get(&br->cfg->other_config, "hwaddr");
093e47f4 1530 if (hwaddr && eth_addr_from_string(hwaddr, ea)) {
064af421
BP
1531 if (eth_addr_is_multicast(ea)) {
1532 VLOG_ERR("bridge %s: cannot set MAC address to multicast "
1533 "address "ETH_ADDR_FMT, br->name, ETH_ADDR_ARGS(ea));
1534 } else if (eth_addr_is_zero(ea)) {
1535 VLOG_ERR("bridge %s: cannot set MAC address to zero", br->name);
1536 } else {
1537 return;
1538 }
1539 }
1540
f145afdc
BP
1541 /* Mirror output ports don't participate in picking the local hardware
1542 * address. ofproto can't help us find out whether a given port is a
1543 * mirror output because we haven't configured mirrors yet, so we need to
1544 * accumulate them ourselves. */
1545 hmapx_init(&mirror_output_ports);
1546 for (i = 0; i < br->cfg->n_mirrors; i++) {
1547 struct ovsrec_mirror *m = br->cfg->mirrors[i];
1548 if (m->output_port) {
1549 hmapx_add(&mirror_output_ports, m->output_port);
1550 }
1551 }
1552
141f4942
BP
1553 /* Otherwise choose the minimum non-local MAC address among all of the
1554 * interfaces. */
8052fb14 1555 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
58b7527e 1556 uint8_t iface_ea[ETH_ADDR_LEN];
83db7968 1557 struct iface *candidate;
58b7527e
BP
1558 struct iface *iface;
1559
1560 /* Mirror output ports don't participate. */
f145afdc 1561 if (hmapx_contains(&mirror_output_ports, port->cfg)) {
064af421
BP
1562 continue;
1563 }
58b7527e
BP
1564
1565 /* Choose the MAC address to represent the port. */
83db7968 1566 iface = NULL;
76343538 1567 if (port->cfg->mac && eth_addr_from_string(port->cfg->mac, iface_ea)) {
ba09980a
BP
1568 /* Find the interface with this Ethernet address (if any) so that
1569 * we can provide the correct devname to the caller. */
83db7968 1570 LIST_FOR_EACH (candidate, port_elem, &port->ifaces) {
ba09980a 1571 uint8_t candidate_ea[ETH_ADDR_LEN];
8fef8c71 1572 if (!netdev_get_etheraddr(candidate->netdev, candidate_ea)
ba09980a
BP
1573 && eth_addr_equals(iface_ea, candidate_ea)) {
1574 iface = candidate;
1575 }
1576 }
58b7527e
BP
1577 } else {
1578 /* Choose the interface whose MAC address will represent the port.
1579 * The Linux kernel bonding code always chooses the MAC address of
1580 * the first slave added to a bond, and the Fedora networking
1581 * scripts always add slaves to a bond in alphabetical order, so
1582 * for compatibility we choose the interface with the name that is
1583 * first in alphabetical order. */
83db7968
BP
1584 LIST_FOR_EACH (candidate, port_elem, &port->ifaces) {
1585 if (!iface || strcmp(candidate->name, iface->name) < 0) {
58b7527e
BP
1586 iface = candidate;
1587 }
1588 }
1589
1590 /* The local port doesn't count (since we're trying to choose its
141f4942 1591 * MAC address anyway). */
892815f5 1592 if (iface->ofp_port == OFPP_LOCAL) {
064af421
BP
1593 continue;
1594 }
58b7527e
BP
1595
1596 /* Grab MAC. */
07c318f4 1597 error = netdev_get_etheraddr(iface->netdev, iface_ea);
58b7527e 1598 if (error) {
58b7527e 1599 continue;
064af421
BP
1600 }
1601 }
58b7527e
BP
1602
1603 /* Compare against our current choice. */
1604 if (!eth_addr_is_multicast(iface_ea) &&
141f4942 1605 !eth_addr_is_local(iface_ea) &&
58b7527e
BP
1606 !eth_addr_is_reserved(iface_ea) &&
1607 !eth_addr_is_zero(iface_ea) &&
0d1fe4a3 1608 (!found_addr || eth_addr_compare_3way(iface_ea, ea) < 0))
58b7527e 1609 {
0babc06f 1610 memcpy(ea, iface_ea, ETH_ADDR_LEN);
8fef8c71 1611 *hw_addr_iface = iface;
3a48ace3 1612 found_addr = true;
58b7527e 1613 }
064af421 1614 }
f145afdc 1615
51b67a10
JP
1616 if (!found_addr) {
1617 memcpy(ea, br->default_ea, ETH_ADDR_LEN);
1618 *hw_addr_iface = NULL;
1619 }
1620
f145afdc 1621 hmapx_destroy(&mirror_output_ports);
064af421
BP
1622}
1623
1624/* Choose and returns the datapath ID for bridge 'br' given that the bridge
1625 * Ethernet address is 'bridge_ea'. If 'bridge_ea' is the Ethernet address of
07c318f4
BP
1626 * an interface on 'br', then that interface must be passed in as
1627 * 'hw_addr_iface'; if 'bridge_ea' was derived some other way, then
1628 * 'hw_addr_iface' must be passed in as a null pointer. */
064af421
BP
1629static uint64_t
1630bridge_pick_datapath_id(struct bridge *br,
1631 const uint8_t bridge_ea[ETH_ADDR_LEN],
07c318f4 1632 struct iface *hw_addr_iface)
064af421
BP
1633{
1634 /*
1635 * The procedure for choosing a bridge MAC address will, in the most
1636 * ordinary case, also choose a unique MAC that we can use as a datapath
1637 * ID. In some special cases, though, multiple bridges will end up with
1638 * the same MAC address. This is OK for the bridges, but it will confuse
1639 * the OpenFlow controller, because each datapath needs a unique datapath
1640 * ID.
1641 *
1642 * Datapath IDs must be unique. It is also very desirable that they be
1643 * stable from one run to the next, so that policy set on a datapath
1644 * "sticks".
1645 */
093e47f4 1646 const char *datapath_id;
064af421
BP
1647 uint64_t dpid;
1648
a699f614 1649 datapath_id = smap_get(&br->cfg->other_config, "datapath-id");
093e47f4 1650 if (datapath_id && dpid_from_string(datapath_id, &dpid)) {
064af421
BP
1651 return dpid;
1652 }
1653
03eae5f8 1654 if (!hw_addr_iface) {
064af421
BP
1655 /*
1656 * A purely internal bridge, that is, one that has no non-virtual
03eae5f8 1657 * network devices on it at all, is difficult because it has no
064af421
BP
1658 * natural unique identifier at all.
1659 *
1660 * When the host is a XenServer, we handle this case by hashing the
1661 * host's UUID with the name of the bridge. Names of bridges are
1662 * persistent across XenServer reboots, although they can be reused if
1663 * an internal network is destroyed and then a new one is later
1664 * created, so this is fairly effective.
1665 *
1666 * When the host is not a XenServer, we punt by using a random MAC
1667 * address on each run.
1668 */
1669 const char *host_uuid = xenserver_get_host_uuid();
1670 if (host_uuid) {
1671 char *combined = xasprintf("%s,%s", host_uuid, br->name);
1672 dpid = dpid_from_hash(combined, strlen(combined));
1673 free(combined);
1674 return dpid;
1675 }
1676 }
1677
1678 return eth_addr_to_uint64(bridge_ea);
1679}
1680
1681static uint64_t
1682dpid_from_hash(const void *data, size_t n)
1683{
5eccf359 1684 uint8_t hash[SHA1_DIGEST_SIZE];
064af421
BP
1685
1686 BUILD_ASSERT_DECL(sizeof hash >= ETH_ADDR_LEN);
5eccf359 1687 sha1_bytes(data, n, hash);
064af421
BP
1688 eth_addr_mark_random(hash);
1689 return eth_addr_to_uint64(hash);
1690}
1691
ea83a2fc 1692static void
ea763e0e 1693iface_refresh_status(struct iface *iface)
ea83a2fc 1694{
79f1cbe9 1695 struct smap smap;
ea763e0e 1696
6c038611 1697 enum netdev_features current;
e210037e
AE
1698 int64_t bps;
1699 int mtu;
1700 int64_t mtu_64;
1701 int error;
1702
cfea354b
BP
1703 if (iface_is_synthetic(iface)) {
1704 return;
1705 }
1706
79f1cbe9 1707 smap_init(&smap);
ea763e0e 1708
275707c3 1709 if (!netdev_get_status(iface->netdev, &smap)) {
a699f614 1710 ovsrec_interface_set_status(iface->cfg, &smap);
ea763e0e 1711 } else {
a699f614 1712 ovsrec_interface_set_status(iface->cfg, NULL);
ea763e0e
EJ
1713 }
1714
79f1cbe9 1715 smap_destroy(&smap);
e210037e 1716
e210037e 1717 error = netdev_get_features(iface->netdev, &current, NULL, NULL, NULL);
d02a5f8e
BP
1718 bps = !error ? netdev_features_to_bps(current, 0) : 0;
1719 if (bps) {
e210037e
AE
1720 ovsrec_interface_set_duplex(iface->cfg,
1721 netdev_features_is_full_duplex(current)
1722 ? "full" : "half");
e210037e 1723 ovsrec_interface_set_link_speed(iface->cfg, &bps, 1);
d0db8de2 1724 } else {
e210037e
AE
1725 ovsrec_interface_set_duplex(iface->cfg, NULL);
1726 ovsrec_interface_set_link_speed(iface->cfg, NULL, 0);
1727 }
1728
e210037e 1729 error = netdev_get_mtu(iface->netdev, &mtu);
9b020780 1730 if (!error) {
e210037e
AE
1731 mtu_64 = mtu;
1732 ovsrec_interface_set_mtu(iface->cfg, &mtu_64, 1);
1733 }
1734 else {
1735 ovsrec_interface_set_mtu(iface->cfg, NULL, 0);
1736 }
ea83a2fc
EJ
1737}
1738
353079d0
EJ
1739/* Writes 'iface''s CFM statistics to the database. 'iface' must not be
1740 * synthetic. */
8f3fe844 1741static void
b31bcf60
EJ
1742iface_refresh_cfm_stats(struct iface *iface)
1743{
93b8df38 1744 const struct ovsrec_interface *cfg = iface->cfg;
9a9e3786
BP
1745 struct ofproto_cfm_status status;
1746
1747 if (!ofproto_port_get_cfm_status(iface->port->bridge->ofproto,
1748 iface->ofp_port, &status)) {
1749 ovsrec_interface_set_cfm_fault(cfg, NULL, 0);
1750 ovsrec_interface_set_cfm_fault_status(cfg, NULL, 0);
1751 ovsrec_interface_set_cfm_remote_opstate(cfg, NULL);
1752 ovsrec_interface_set_cfm_health(cfg, NULL, 0);
1753 ovsrec_interface_set_cfm_remote_mpids(cfg, NULL, 0);
1754 } else {
b9380396 1755 const char *reasons[CFM_FAULT_N_REASONS];
9a9e3786
BP
1756 int64_t cfm_health = status.health;
1757 bool faulted = status.faults != 0;
b9380396
EJ
1758 size_t i, j;
1759
9a9e3786
BP
1760 ovsrec_interface_set_cfm_fault(cfg, &faulted, 1);
1761
b9380396
EJ
1762 j = 0;
1763 for (i = 0; i < CFM_FAULT_N_REASONS; i++) {
1764 int reason = 1 << i;
9a9e3786 1765 if (status.faults & reason) {
b9380396
EJ
1766 reasons[j++] = cfm_fault_reason_to_str(reason);
1767 }
1768 }
b9380396 1769 ovsrec_interface_set_cfm_fault_status(cfg, (char **) reasons, j);
1c0333b6 1770
18637fdc
BP
1771 if (status.remote_opstate >= 0) {
1772 const char *remote_opstate = status.remote_opstate ? "up" : "down";
1773 ovsrec_interface_set_cfm_remote_opstate(cfg, remote_opstate);
1774 } else {
1775 ovsrec_interface_set_cfm_remote_opstate(cfg, NULL);
1776 }
1777
9a9e3786
BP
1778 ovsrec_interface_set_cfm_remote_mpids(cfg,
1779 (const int64_t *)status.rmps,
1780 status.n_rmps);
4cd9ab26
BP
1781 if (cfm_health >= 0) {
1782 ovsrec_interface_set_cfm_health(cfg, &cfm_health, 1);
1783 } else {
1784 ovsrec_interface_set_cfm_health(cfg, NULL, 0);
1785 }
3967a833 1786 }
b31bcf60
EJ
1787}
1788
018f1525
BP
1789static void
1790iface_refresh_stats(struct iface *iface)
1791{
98dbe2dd
BP
1792#define IFACE_STATS \
1793 IFACE_STAT(rx_packets, "rx_packets") \
1794 IFACE_STAT(tx_packets, "tx_packets") \
1795 IFACE_STAT(rx_bytes, "rx_bytes") \
1796 IFACE_STAT(tx_bytes, "tx_bytes") \
1797 IFACE_STAT(rx_dropped, "rx_dropped") \
1798 IFACE_STAT(tx_dropped, "tx_dropped") \
1799 IFACE_STAT(rx_errors, "rx_errors") \
1800 IFACE_STAT(tx_errors, "tx_errors") \
1801 IFACE_STAT(rx_frame_errors, "rx_frame_err") \
1802 IFACE_STAT(rx_over_errors, "rx_over_err") \
1803 IFACE_STAT(rx_crc_errors, "rx_crc_err") \
1804 IFACE_STAT(collisions, "collisions")
1805
1806#define IFACE_STAT(MEMBER, NAME) NAME,
1807 static char *keys[] = { IFACE_STATS };
1808#undef IFACE_STAT
1809 int64_t values[ARRAY_SIZE(keys)];
1810 int i;
018f1525
BP
1811
1812 struct netdev_stats stats;
1813
cfea354b
BP
1814 if (iface_is_synthetic(iface)) {
1815 return;
1816 }
1817
018f1525
BP
1818 /* Intentionally ignore return value, since errors will set 'stats' to
1819 * all-1s, and we will deal with that correctly below. */
1820 netdev_get_stats(iface->netdev, &stats);
1821
98dbe2dd
BP
1822 /* Copy statistics into values[] array. */
1823 i = 0;
1824#define IFACE_STAT(MEMBER, NAME) values[i++] = stats.MEMBER;
1825 IFACE_STATS;
1826#undef IFACE_STAT
cb22974d 1827 ovs_assert(i == ARRAY_SIZE(keys));
018f1525 1828
0acaddd0
EJ
1829 ovsrec_interface_set_statistics(iface->cfg, keys, values,
1830 ARRAY_SIZE(keys));
98dbe2dd 1831#undef IFACE_STATS
018f1525
BP
1832}
1833
21f7563c
JP
1834static void
1835br_refresh_stp_status(struct bridge *br)
1836{
a699f614 1837 struct smap smap = SMAP_INITIALIZER(&smap);
21f7563c
JP
1838 struct ofproto *ofproto = br->ofproto;
1839 struct ofproto_stp_status status;
21f7563c
JP
1840
1841 if (ofproto_get_stp_status(ofproto, &status)) {
1842 return;
1843 }
1844
1845 if (!status.enabled) {
a699f614 1846 ovsrec_bridge_set_status(br->cfg, NULL);
21f7563c
JP
1847 return;
1848 }
1849
a699f614
EJ
1850 smap_add_format(&smap, "stp_bridge_id", STP_ID_FMT,
1851 STP_ID_ARGS(status.bridge_id));
1852 smap_add_format(&smap, "stp_designated_root", STP_ID_FMT,
1853 STP_ID_ARGS(status.designated_root));
1854 smap_add_format(&smap, "stp_root_path_cost", "%d", status.root_path_cost);
21f7563c 1855
a699f614
EJ
1856 ovsrec_bridge_set_status(br->cfg, &smap);
1857 smap_destroy(&smap);
21f7563c
JP
1858}
1859
1860static void
1861port_refresh_stp_status(struct port *port)
1862{
1863 struct ofproto *ofproto = port->bridge->ofproto;
1864 struct iface *iface;
1865 struct ofproto_port_stp_status status;
a699f614 1866 char *keys[3];
80740385 1867 int64_t int_values[3];
a699f614 1868 struct smap smap;
21f7563c 1869
06b592bc
EJ
1870 if (port_is_synthetic(port)) {
1871 return;
1872 }
1873
21f7563c
JP
1874 /* STP doesn't currently support bonds. */
1875 if (!list_is_singleton(&port->ifaces)) {
a699f614 1876 ovsrec_port_set_status(port->cfg, NULL);
21f7563c
JP
1877 return;
1878 }
1879
1880 iface = CONTAINER_OF(list_front(&port->ifaces), struct iface, port_elem);
1881
1882 if (ofproto_port_get_stp_status(ofproto, iface->ofp_port, &status)) {
1883 return;
1884 }
1885
1886 if (!status.enabled) {
a699f614 1887 ovsrec_port_set_status(port->cfg, NULL);
80740385 1888 ovsrec_port_set_statistics(port->cfg, NULL, NULL, 0);
21f7563c
JP
1889 return;
1890 }
1891
80740385 1892 /* Set Status column. */
a699f614
EJ
1893 smap_init(&smap);
1894 smap_add_format(&smap, "stp_port_id", STP_PORT_ID_FMT, status.port_id);
1895 smap_add(&smap, "stp_state", stp_state_name(status.state));
1896 smap_add_format(&smap, "stp_sec_in_state", "%u", status.sec_in_state);
1897 smap_add(&smap, "stp_role", stp_role_name(status.role));
1898 ovsrec_port_set_status(port->cfg, &smap);
1899 smap_destroy(&smap);
80740385
JP
1900
1901 /* Set Statistics column. */
1902 keys[0] = "stp_tx_count";
1903 int_values[0] = status.tx_count;
1904 keys[1] = "stp_rx_count";
1905 int_values[1] = status.rx_count;
1906 keys[2] = "stp_error_count";
1907 int_values[2] = status.error_count;
1908
1909 ovsrec_port_set_statistics(port->cfg, keys, int_values,
1910 ARRAY_SIZE(int_values));
21f7563c
JP
1911}
1912
3fe80505
BP
1913static bool
1914enable_system_stats(const struct ovsrec_open_vswitch *cfg)
1915{
a699f614 1916 return smap_get_bool(&cfg->other_config, "enable-statistics", false);
3fe80505
BP
1917}
1918
ce887677 1919static void
35a22d8c 1920reconfigure_system_stats(const struct ovsrec_open_vswitch *cfg)
ce887677 1921{
35a22d8c 1922 bool enable = enable_system_stats(cfg);
ce887677 1923
35a22d8c
BP
1924 system_stats_enable(enable);
1925 if (!enable) {
1926 ovsrec_open_vswitch_set_statistics(cfg, NULL);
3fe80505 1927 }
35a22d8c
BP
1928}
1929
1930static void
1931run_system_stats(void)
1932{
1933 const struct ovsrec_open_vswitch *cfg = ovsrec_open_vswitch_first(idl);
1934 struct smap *stats;
1935
1936 stats = system_stats_run();
1937 if (stats && cfg) {
1938 struct ovsdb_idl_txn *txn;
1939 struct ovsdb_datum datum;
1940
1941 txn = ovsdb_idl_txn_create(idl);
1942 ovsdb_datum_from_smap(&datum, stats);
1943 ovsdb_idl_txn_write(&cfg->header_, &ovsrec_open_vswitch_col_statistics,
1944 &datum);
1945 ovsdb_idl_txn_commit(txn);
1946 ovsdb_idl_txn_destroy(txn);
ce887677 1947
35a22d8c
BP
1948 free(stats);
1949 }
ce887677
BP
1950}
1951
bffc0589 1952static inline const char *
f4f1ea7e 1953ofp12_controller_role_to_str(enum ofp12_controller_role role)
bffc0589
AE
1954{
1955 switch (role) {
f4f1ea7e 1956 case OFPCR12_ROLE_EQUAL:
bffc0589 1957 return "other";
f4f1ea7e 1958 case OFPCR12_ROLE_MASTER:
bffc0589 1959 return "master";
f4f1ea7e 1960 case OFPCR12_ROLE_SLAVE:
bffc0589 1961 return "slave";
f4f1ea7e 1962 case OFPCR12_ROLE_NOCHANGE:
bffc0589
AE
1963 default:
1964 return "*** INVALID ROLE ***";
1965 }
1966}
1967
1968static void
5d279086 1969refresh_controller_status(void)
bffc0589 1970{
5d279086 1971 struct bridge *br;
bffc0589
AE
1972 struct shash info;
1973 const struct ovsrec_controller *cfg;
1974
5d279086
AE
1975 shash_init(&info);
1976
1977 /* Accumulate status for controllers on all bridges. */
1978 HMAP_FOR_EACH (br, node, &all_bridges) {
1979 ofproto_get_ofproto_controller_info(br->ofproto, &info);
1980 }
bffc0589 1981
5d279086 1982 /* Update each controller in the database with current status. */
bffc0589 1983 OVSREC_CONTROLLER_FOR_EACH(cfg, idl) {
eb9b8307
AE
1984 struct ofproto_controller_info *cinfo =
1985 shash_find_data(&info, cfg->target);
1986
1987 if (cinfo) {
a699f614
EJ
1988 struct smap smap = SMAP_INITIALIZER(&smap);
1989 const char **values = cinfo->pairs.values;
1990 const char **keys = cinfo->pairs.keys;
1991 size_t i;
1992
1993 for (i = 0; i < cinfo->pairs.n; i++) {
1994 smap_add(&smap, keys[i], values[i]);
1995 }
1996
eb9b8307 1997 ovsrec_controller_set_is_connected(cfg, cinfo->is_connected);
f4f1ea7e
BP
1998 ovsrec_controller_set_role(cfg, ofp12_controller_role_to_str(
1999 cinfo->role));
a699f614
EJ
2000 ovsrec_controller_set_status(cfg, &smap);
2001 smap_destroy(&smap);
eb9b8307
AE
2002 } else {
2003 ovsrec_controller_set_is_connected(cfg, false);
2004 ovsrec_controller_set_role(cfg, NULL);
a699f614 2005 ovsrec_controller_set_status(cfg, NULL);
eb9b8307 2006 }
bffc0589
AE
2007 }
2008
2009 ofproto_free_ofproto_controller_info(&info);
2010}
2011
8f3fe844 2012static void
353079d0 2013refresh_instant_stats(void)
8f3fe844
EJ
2014{
2015 static struct ovsdb_idl_txn *txn = NULL;
2016
2017 if (!txn) {
2018 struct bridge *br;
2019
2020 txn = ovsdb_idl_txn_create(idl);
2021
2022 HMAP_FOR_EACH (br, node, &all_bridges) {
2023 struct iface *iface;
353079d0
EJ
2024 struct port *port;
2025
2026 br_refresh_stp_status(br);
2027
2028 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
2029 port_refresh_stp_status(port);
2030 }
8f3fe844
EJ
2031
2032 HMAP_FOR_EACH (iface, name_node, &br->iface_by_name) {
353079d0
EJ
2033 enum netdev_flags flags;
2034 const char *link_state;
2035 int64_t link_resets;
2036 int current, error;
2037
2038 if (iface_is_synthetic(iface)) {
2039 continue;
2040 }
2041
2042 current = ofproto_port_is_lacp_current(br->ofproto,
2043 iface->ofp_port);
2044 if (current >= 0) {
2045 bool bl = current;
2046 ovsrec_interface_set_lacp_current(iface->cfg, &bl, 1);
2047 } else {
2048 ovsrec_interface_set_lacp_current(iface->cfg, NULL, 0);
2049 }
2050
2051 error = netdev_get_flags(iface->netdev, &flags);
2052 if (!error) {
2053 const char *state = flags & NETDEV_UP ? "up" : "down";
2054 ovsrec_interface_set_admin_state(iface->cfg, state);
2055 } else {
2056 ovsrec_interface_set_admin_state(iface->cfg, NULL);
2057 }
2058
2059 link_state = netdev_get_carrier(iface->netdev) ? "up" : "down";
2060 ovsrec_interface_set_link_state(iface->cfg, link_state);
2061
2062 link_resets = netdev_get_carrier_resets(iface->netdev);
2063 ovsrec_interface_set_link_resets(iface->cfg, &link_resets, 1);
2064
8f3fe844
EJ
2065 iface_refresh_cfm_stats(iface);
2066 }
2067 }
2068 }
2069
2070 if (ovsdb_idl_txn_commit(txn) != TXN_INCOMPLETE) {
2071 ovsdb_idl_txn_destroy(txn);
2072 txn = NULL;
2073 }
2074}
2075
5fcc0d00
BP
2076/* Performs periodic activity required by bridges that needs to be done with
2077 * the least possible latency.
2078 *
2079 * It makes sense to call this function a couple of times per poll loop, to
2080 * provide a significant performance boost on some benchmarks with ofprotos
2081 * that use the ofproto-dpif implementation. */
2082void
2083bridge_run_fast(void)
2084{
11a574a7
JP
2085 struct sset types;
2086 const char *type;
5fcc0d00
BP
2087 struct bridge *br;
2088
11a574a7
JP
2089 sset_init(&types);
2090 ofproto_enumerate_types(&types);
2091 SSET_FOR_EACH (type, &types) {
2092 ofproto_type_run_fast(type);
2093 }
2094 sset_destroy(&types);
2095
5fcc0d00
BP
2096 HMAP_FOR_EACH (br, node, &all_bridges) {
2097 ofproto_run_fast(br->ofproto);
2098 }
2099}
2100
c5187f17 2101void
064af421
BP
2102bridge_run(void)
2103{
8c0f519f 2104 static struct ovsrec_open_vswitch null_cfg;
d54ff998 2105 const struct ovsrec_open_vswitch *cfg;
bae7208e 2106 struct ovsdb_idl_txn *reconf_txn = NULL;
11a574a7
JP
2107 struct sset types;
2108 const char *type;
d54ff998 2109
52a90c29 2110 bool vlan_splinters_changed;
c5187f17 2111 struct bridge *br;
064af421 2112
8c0f519f 2113 ovsrec_open_vswitch_init(&null_cfg);
edce886c 2114
06b6d651 2115 /* (Re)configure if necessary. */
bae7208e
EJ
2116 if (!reconfiguring) {
2117 ovsdb_idl_run(idl);
06b6d651 2118
bae7208e
EJ
2119 if (ovsdb_idl_is_lock_contended(idl)) {
2120 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
2121 struct bridge *br, *next_br;
06b6d651 2122
bae7208e
EJ
2123 VLOG_ERR_RL(&rl, "another ovs-vswitchd process is running, "
2124 "disabling this process until it goes away");
2125
2126 HMAP_FOR_EACH_SAFE (br, next_br, node, &all_bridges) {
2127 bridge_destroy(br);
2128 }
2129 return;
2130 } else if (!ovsdb_idl_has_lock(idl)) {
2131 return;
06b6d651 2132 }
06b6d651
BP
2133 }
2134 cfg = ovsrec_open_vswitch_first(idl);
2135
b0408fca
JP
2136 /* Initialize the ofproto library. This only needs to run once, but
2137 * it must be done after the configuration is set. If the
2138 * initialization has already occurred, bridge_init_ofproto()
2139 * returns immediately. */
2140 bridge_init_ofproto(cfg);
2141
11a574a7
JP
2142 /* Let each datapath type do the work that it needs to do. */
2143 sset_init(&types);
2144 ofproto_enumerate_types(&types);
2145 SSET_FOR_EACH (type, &types) {
2146 ofproto_type_run(type);
2147 }
2148 sset_destroy(&types);
2149
c5187f17 2150 /* Let each bridge do the work that it needs to do. */
764072fd 2151 HMAP_FOR_EACH (br, node, &all_bridges) {
5fcc0d00 2152 ofproto_run(br->ofproto);
c5187f17
BP
2153 }
2154
d6da96ce
BP
2155 /* Re-configure SSL. We do this on every trip through the main loop,
2156 * instead of just when the database changes, because the contents of the
2157 * key and certificate files can change without the database changing.
2158 *
2159 * We do this before bridge_reconfigure() because that function might
2160 * initiate SSL connections and thus requires SSL to be configured. */
2161 if (cfg && cfg->ssl) {
2162 const struct ovsrec_ssl *ssl = cfg->ssl;
2163
2164 stream_ssl_set_key_and_cert(ssl->private_key, ssl->certificate);
2165 stream_ssl_set_ca_cert_file(ssl->ca_cert, ssl->bootstrap_ca_cert);
2166 }
bf8f2167 2167
bae7208e
EJ
2168 if (!reconfiguring) {
2169 /* If VLAN splinters are in use, then we need to reconfigure if VLAN
2170 * usage has changed. */
2171 vlan_splinters_changed = false;
2172 if (vlan_splinters_enabled_anywhere) {
2173 HMAP_FOR_EACH (br, node, &all_bridges) {
2174 if (ofproto_has_vlan_usage_changed(br->ofproto)) {
2175 vlan_splinters_changed = true;
2176 break;
2177 }
2178 }
2179 }
2180
2181 if (ovsdb_idl_get_seqno(idl) != idl_seqno || vlan_splinters_changed) {
2182 idl_seqno = ovsdb_idl_get_seqno(idl);
2183 if (cfg) {
2184 reconf_txn = ovsdb_idl_txn_create(idl);
2185 bridge_reconfigure(cfg);
2186 } else {
2187 /* We still need to reconfigure to avoid dangling pointers to
2188 * now-destroyed ovsrec structures inside bridge data. */
2189 bridge_reconfigure(&null_cfg);
52a90c29
BP
2190 }
2191 }
2192 }
2193
bae7208e 2194 if (reconfiguring) {
c5187f17 2195 if (cfg) {
bae7208e
EJ
2196 if (!reconf_txn) {
2197 reconf_txn = ovsdb_idl_txn_create(idl);
2198 }
2199 if (bridge_reconfigure_continue(cfg)) {
2200 ovsrec_open_vswitch_set_cur_cfg(cfg, cfg->next_cfg);
2201 }
1e0b752d 2202 } else {
bae7208e 2203 bridge_reconfigure_continue(&null_cfg);
064af421
BP
2204 }
2205 }
018f1525 2206
bae7208e
EJ
2207 if (reconf_txn) {
2208 ovsdb_idl_txn_commit(reconf_txn);
2209 ovsdb_idl_txn_destroy(reconf_txn);
2210 reconf_txn = NULL;
2211 }
2212
35a22d8c
BP
2213 /* Refresh interface and mirror stats if necessary. */
2214 if (time_msec() >= iface_stats_timer) {
ce887677
BP
2215 if (cfg) {
2216 struct ovsdb_idl_txn *txn;
018f1525 2217
ce887677 2218 txn = ovsdb_idl_txn_create(idl);
764072fd 2219 HMAP_FOR_EACH (br, node, &all_bridges) {
8052fb14 2220 struct port *port;
9d24de3b 2221 struct mirror *m;
018f1525 2222
8052fb14 2223 HMAP_FOR_EACH (port, hmap_node, &br->ports) {
83db7968 2224 struct iface *iface;
018f1525 2225
83db7968 2226 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
ce887677 2227 iface_refresh_stats(iface);
ea763e0e 2228 iface_refresh_status(iface);
ce887677 2229 }
018f1525 2230 }
9d24de3b
JP
2231
2232 HMAP_FOR_EACH (m, hmap_node, &br->mirrors) {
2233 mirror_refresh_stats(m);
2234 }
2235
018f1525 2236 }
5d279086 2237 refresh_controller_status();
ce887677
BP
2238 ovsdb_idl_txn_commit(txn);
2239 ovsdb_idl_txn_destroy(txn); /* XXX */
018f1525 2240 }
018f1525 2241
35a22d8c 2242 iface_stats_timer = time_msec() + IFACE_STATS_INTERVAL;
018f1525 2243 }
6586adf5 2244
35a22d8c 2245 run_system_stats();
353079d0 2246 refresh_instant_stats();
064af421
BP
2247}
2248
2249void
2250bridge_wait(void)
2251{
11a574a7
JP
2252 struct sset types;
2253 const char *type;
2254
c5187f17 2255 ovsdb_idl_wait(idl);
c7e7bb21 2256
bae7208e 2257 if (reconfiguring) {
c7e7bb21
EJ
2258 poll_immediate_wake();
2259 }
2260
11a574a7
JP
2261 sset_init(&types);
2262 ofproto_enumerate_types(&types);
2263 SSET_FOR_EACH (type, &types) {
2264 ofproto_type_wait(type);
2265 }
2266 sset_destroy(&types);
2267
06b6d651
BP
2268 if (!hmap_is_empty(&all_bridges)) {
2269 struct bridge *br;
6586adf5 2270
06b6d651
BP
2271 HMAP_FOR_EACH (br, node, &all_bridges) {
2272 ofproto_wait(br->ofproto);
2273 }
35a22d8c 2274 poll_timer_wait_until(iface_stats_timer);
6586adf5 2275 }
35a22d8c
BP
2276
2277 system_stats_wait();
064af421 2278}
0d085684
BP
2279
2280/* Adds some memory usage statistics for bridges into 'usage', for use with
2281 * memory_report(). */
2282void
2283bridge_get_memory_usage(struct simap *usage)
2284{
2285 struct bridge *br;
2286
2287 HMAP_FOR_EACH (br, node, &all_bridges) {
2288 ofproto_get_memory_usage(br->ofproto, usage);
2289 }
2290}
8c4c1387 2291\f
e8fe3026
EJ
2292/* QoS unixctl user interface functions. */
2293
2294struct qos_unixctl_show_cbdata {
2295 struct ds *ds;
2296 struct iface *iface;
2297};
2298
2299static void
2300qos_unixctl_show_cb(unsigned int queue_id,
79f1cbe9 2301 const struct smap *details,
e8fe3026
EJ
2302 void *aux)
2303{
2304 struct qos_unixctl_show_cbdata *data = aux;
2305 struct ds *ds = data->ds;
2306 struct iface *iface = data->iface;
2307 struct netdev_queue_stats stats;
79f1cbe9 2308 struct smap_node *node;
e8fe3026
EJ
2309 int error;
2310
2311 ds_put_cstr(ds, "\n");
2312 if (queue_id) {
2313 ds_put_format(ds, "Queue %u:\n", queue_id);
2314 } else {
2315 ds_put_cstr(ds, "Default:\n");
2316 }
2317
79f1cbe9
EJ
2318 SMAP_FOR_EACH (node, details) {
2319 ds_put_format(ds, "\t%s: %s\n", node->key, node->value);
e8fe3026
EJ
2320 }
2321
2322 error = netdev_get_queue_stats(iface->netdev, queue_id, &stats);
2323 if (!error) {
2324 if (stats.tx_packets != UINT64_MAX) {
2325 ds_put_format(ds, "\ttx_packets: %"PRIu64"\n", stats.tx_packets);
2326 }
2327
2328 if (stats.tx_bytes != UINT64_MAX) {
2329 ds_put_format(ds, "\ttx_bytes: %"PRIu64"\n", stats.tx_bytes);
2330 }
2331
2332 if (stats.tx_errors != UINT64_MAX) {
2333 ds_put_format(ds, "\ttx_errors: %"PRIu64"\n", stats.tx_errors);
2334 }
2335 } else {
2336 ds_put_format(ds, "\tFailed to get statistics for queue %u: %s",
2337 queue_id, strerror(error));
2338 }
2339}
2340
2341static void
0e15264f
BP
2342qos_unixctl_show(struct unixctl_conn *conn, int argc OVS_UNUSED,
2343 const char *argv[], void *aux OVS_UNUSED)
e8fe3026
EJ
2344{
2345 struct ds ds = DS_EMPTY_INITIALIZER;
79f1cbe9 2346 struct smap smap = SMAP_INITIALIZER(&smap);
e8fe3026
EJ
2347 struct iface *iface;
2348 const char *type;
79f1cbe9 2349 struct smap_node *node;
e8fe3026
EJ
2350 struct qos_unixctl_show_cbdata data;
2351 int error;
2352
0e15264f 2353 iface = iface_find(argv[1]);
e8fe3026 2354 if (!iface) {
bde9f75d 2355 unixctl_command_reply_error(conn, "no such interface");
e8fe3026
EJ
2356 return;
2357 }
2358
79f1cbe9 2359 netdev_get_qos(iface->netdev, &type, &smap);
e8fe3026
EJ
2360
2361 if (*type != '\0') {
2362 ds_put_format(&ds, "QoS: %s %s\n", iface->name, type);
2363
79f1cbe9
EJ
2364 SMAP_FOR_EACH (node, &smap) {
2365 ds_put_format(&ds, "%s: %s\n", node->key, node->value);
e8fe3026
EJ
2366 }
2367
2368 data.ds = &ds;
2369 data.iface = iface;
2370 error = netdev_dump_queues(iface->netdev, qos_unixctl_show_cb, &data);
2371
2372 if (error) {
2373 ds_put_format(&ds, "failed to dump queues: %s", strerror(error));
2374 }
bde9f75d 2375 unixctl_command_reply(conn, ds_cstr(&ds));
e8fe3026
EJ
2376 } else {
2377 ds_put_format(&ds, "QoS not configured on %s\n", iface->name);
bde9f75d 2378 unixctl_command_reply_error(conn, ds_cstr(&ds));
e8fe3026
EJ
2379 }
2380
79f1cbe9 2381 smap_destroy(&smap);
e8fe3026
EJ
2382 ds_destroy(&ds);
2383}
2384\f
064af421 2385/* Bridge reconfiguration functions. */
66da9bef 2386static void
1a6f1e2a 2387bridge_create(const struct ovsrec_bridge *br_cfg)
064af421
BP
2388{
2389 struct bridge *br;
064af421 2390
cb22974d 2391 ovs_assert(!bridge_lookup(br_cfg->name));
ec6fde61 2392 br = xzalloc(sizeof *br);
064af421 2393
1a6f1e2a 2394 br->name = xstrdup(br_cfg->name);
f79e673f 2395 br->type = xstrdup(ofproto_normalize_type(br_cfg->datapath_type));
1a6f1e2a 2396 br->cfg = br_cfg;
e3f55cb8
BP
2397
2398 /* Derive the default Ethernet address from the bridge's UUID. This should
2399 * be unique and it will be stable between ovs-vswitchd runs. */
2400 memcpy(br->default_ea, &br_cfg->header_.uuid, ETH_ADDR_LEN);
2401 eth_addr_mark_random(br->default_ea);
064af421 2402
8052fb14 2403 hmap_init(&br->ports);
d9a8717a 2404 hmap_init(&br->ifaces);
ebea37cc 2405 hmap_init(&br->iface_by_name);
fa066f01 2406 hmap_init(&br->mirrors);
4a1ee6ae 2407
bae7208e
EJ
2408 hmap_init(&br->if_cfg_todo);
2409 list_init(&br->ofpp_garbage);
2410
764072fd 2411 hmap_insert(&all_bridges, &br->node, hash_string(br->name, 0));
064af421
BP
2412}
2413
2414static void
2415bridge_destroy(struct bridge *br)
2416{
2417 if (br) {
fa066f01
BP
2418 struct mirror *mirror, *next_mirror;
2419 struct port *port, *next_port;
bae7208e
EJ
2420 struct if_cfg *if_cfg, *next_if_cfg;
2421 struct ofpp_garbage *garbage, *next_garbage;
064af421 2422
fa066f01 2423 HMAP_FOR_EACH_SAFE (port, next_port, hmap_node, &br->ports) {
8052fb14 2424 port_destroy(port);
064af421 2425 }
fa066f01
BP
2426 HMAP_FOR_EACH_SAFE (mirror, next_mirror, hmap_node, &br->mirrors) {
2427 mirror_destroy(mirror);
f76e2dfc 2428 }
bae7208e
EJ
2429 HMAP_FOR_EACH_SAFE (if_cfg, next_if_cfg, hmap_node, &br->if_cfg_todo) {
2430 hmap_remove(&br->if_cfg_todo, &if_cfg->hmap_node);
2431 free(if_cfg);
2432 }
2433 LIST_FOR_EACH_SAFE (garbage, next_garbage, list_node,
2434 &br->ofpp_garbage) {
2435 list_remove(&garbage->list_node);
2436 free(garbage);
2437 }
2438
764072fd 2439 hmap_remove(&all_bridges, &br->node);
6d6ab93e 2440 ofproto_destroy(br->ofproto);
d9a8717a 2441 hmap_destroy(&br->ifaces);
8052fb14 2442 hmap_destroy(&br->ports);
ebea37cc 2443 hmap_destroy(&br->iface_by_name);
fa066f01 2444 hmap_destroy(&br->mirrors);
bae7208e 2445 hmap_destroy(&br->if_cfg_todo);
064af421 2446 free(br->name);
66da9bef 2447 free(br->type);
064af421
BP
2448 free(br);
2449 }
2450}
2451
2452static struct bridge *
2453bridge_lookup(const char *name)
2454{
2455 struct bridge *br;
2456
764072fd 2457 HMAP_FOR_EACH_WITH_HASH (br, node, hash_string(name, 0), &all_bridges) {
064af421
BP
2458 if (!strcmp(br->name, name)) {
2459 return br;
2460 }
2461 }
2462 return NULL;
2463}
2464
4f2cad2c
JP
2465/* Handle requests for a listing of all flows known by the OpenFlow
2466 * stack, including those normally hidden. */
2467static void
0e15264f
BP
2468bridge_unixctl_dump_flows(struct unixctl_conn *conn, int argc OVS_UNUSED,
2469 const char *argv[], void *aux OVS_UNUSED)
4f2cad2c
JP
2470{
2471 struct bridge *br;
2472 struct ds results;
d295e8e9 2473
0e15264f 2474 br = bridge_lookup(argv[1]);
4f2cad2c 2475 if (!br) {
bde9f75d 2476 unixctl_command_reply_error(conn, "Unknown bridge");
4f2cad2c
JP
2477 return;
2478 }
2479
2480 ds_init(&results);
2481 ofproto_get_all_flows(br->ofproto, &results);
2482
bde9f75d 2483 unixctl_command_reply(conn, ds_cstr(&results));
4f2cad2c
JP
2484 ds_destroy(&results);
2485}
2486
fa05809b
BP
2487/* "bridge/reconnect [BRIDGE]": makes BRIDGE drop all of its controller
2488 * connections and reconnect. If BRIDGE is not specified, then all bridges
2489 * drop their controller connections and reconnect. */
2490static void
0e15264f
BP
2491bridge_unixctl_reconnect(struct unixctl_conn *conn, int argc,
2492 const char *argv[], void *aux OVS_UNUSED)
fa05809b
BP
2493{
2494 struct bridge *br;
0e15264f
BP
2495 if (argc > 1) {
2496 br = bridge_lookup(argv[1]);
fa05809b 2497 if (!br) {
bde9f75d 2498 unixctl_command_reply_error(conn, "Unknown bridge");
fa05809b
BP
2499 return;
2500 }
2501 ofproto_reconnect_controllers(br->ofproto);
2502 } else {
764072fd 2503 HMAP_FOR_EACH (br, node, &all_bridges) {
fa05809b
BP
2504 ofproto_reconnect_controllers(br->ofproto);
2505 }
2506 }
bde9f75d 2507 unixctl_command_reply(conn, NULL);
fa05809b
BP
2508}
2509
76ce9432 2510static size_t
1a048029 2511bridge_get_controllers(const struct bridge *br,
76ce9432 2512 struct ovsrec_controller ***controllersp)
064af421 2513{
76ce9432
BP
2514 struct ovsrec_controller **controllers;
2515 size_t n_controllers;
064af421 2516
1a048029
JP
2517 controllers = br->cfg->controller;
2518 n_controllers = br->cfg->n_controller;
76343538 2519
76ce9432
BP
2520 if (n_controllers == 1 && !strcmp(controllers[0]->target, "none")) {
2521 controllers = NULL;
2522 n_controllers = 0;
064af421 2523 }
76343538 2524
76ce9432
BP
2525 if (controllersp) {
2526 *controllersp = controllers;
2527 }
2528 return n_controllers;
064af421
BP
2529}
2530
bae7208e
EJ
2531static void
2532bridge_queue_if_cfg(struct bridge *br,
2533 const struct ovsrec_interface *cfg,
2534 const struct ovsrec_port *parent)
2535{
2536 struct if_cfg *if_cfg = xmalloc(sizeof *if_cfg);
2537
2538 if_cfg->cfg = cfg;
2539 if_cfg->parent = parent;
558e2cc5 2540 if_cfg->ofport = iface_pick_ofport(cfg);
bae7208e
EJ
2541 hmap_insert(&br->if_cfg_todo, &if_cfg->hmap_node,
2542 hash_string(if_cfg->cfg->name, 0));
2543}
2544
2545/* Deletes "struct port"s and "struct iface"s under 'br' which aren't
2546 * consistent with 'br->cfg'. Updates 'br->if_cfg_queue' with interfaces which
2547 * 'br' needs to complete its configuration. */
064af421 2548static void
52a90c29
BP
2549bridge_add_del_ports(struct bridge *br,
2550 const unsigned long int *splinter_vlans)
064af421 2551{
bae7208e 2552 struct shash_node *port_node;
8052fb14 2553 struct port *port, *next;
8052fb14 2554 struct shash new_ports;
6ae39834 2555 size_t i;
064af421 2556
cb22974d 2557 ovs_assert(hmap_is_empty(&br->if_cfg_todo));
bae7208e 2558
064af421 2559 /* Collect new ports. */
76343538
BP
2560 shash_init(&new_ports);
2561 for (i = 0; i < br->cfg->n_ports; i++) {
2562 const char *name = br->cfg->ports[i]->name;
2563 if (!shash_add_once(&new_ports, name, br->cfg->ports[i])) {
2564 VLOG_WARN("bridge %s: %s specified twice as bridge port",
2565 br->name, name);
2566 }
2567 }
b5827b24
BP
2568 if (bridge_get_controllers(br, NULL)
2569 && !shash_find(&new_ports, br->name)) {
cfea354b
BP
2570 VLOG_WARN("bridge %s: no port named %s, synthesizing one",
2571 br->name, br->name);
72865317 2572
a699f614
EJ
2573 ovsrec_interface_init(&br->synth_local_iface);
2574 ovsrec_port_init(&br->synth_local_port);
2575
cfea354b
BP
2576 br->synth_local_port.interfaces = &br->synth_local_ifacep;
2577 br->synth_local_port.n_interfaces = 1;
2578 br->synth_local_port.name = br->name;
2579
2580 br->synth_local_iface.name = br->name;
66da9bef 2581 br->synth_local_iface.type = "internal";
cfea354b
BP
2582
2583 br->synth_local_ifacep = &br->synth_local_iface;
2584
2585 shash_add(&new_ports, br->name, &br->synth_local_port);
064af421 2586 }
064af421 2587
52a90c29
BP
2588 if (splinter_vlans) {
2589 add_vlan_splinter_ports(br, splinter_vlans, &new_ports);
2590 }
2591
4a1ee6ae 2592 /* Get rid of deleted ports.
a70e4b2a 2593 * Get rid of deleted interfaces on ports that still exist. */
8052fb14 2594 HMAP_FOR_EACH_SAFE (port, next, hmap_node, &br->ports) {
66da9bef
BP
2595 port->cfg = shash_find_data(&new_ports, port->name);
2596 if (!port->cfg) {
4a1ee6ae
BP
2597 port_destroy(port);
2598 } else {
66da9bef 2599 port_del_ifaces(port);
064af421
BP
2600 }
2601 }
4a1ee6ae 2602
b54441b3
BP
2603 /* Update iface->cfg and iface->type in interfaces that still exist.
2604 * Add new interfaces to creation queue. */
bae7208e
EJ
2605 SHASH_FOR_EACH (port_node, &new_ports) {
2606 const struct ovsrec_port *port = port_node->data;
2607 size_t i;
2608
2609 for (i = 0; i < port->n_interfaces; i++) {
2610 const struct ovsrec_interface *cfg = port->interfaces[i];
2611 struct iface *iface = iface_lookup(br, cfg->name);
046f1f89 2612 const char *type = iface_get_type(cfg, br->cfg);
bae7208e
EJ
2613
2614 if (iface) {
2615 iface->cfg = cfg;
046f1f89 2616 iface->type = type;
0faed346
EJ
2617 } else if (!strcmp(type, "null")) {
2618 VLOG_WARN_ONCE("%s: The null interface type is deprecated and"
2619 " may be removed in February 2013. Please email"
2620 " dev@openvswitch.org with concerns.",
2621 cfg->name);
2622 } else {
bae7208e
EJ
2623 bridge_queue_if_cfg(br, cfg, port);
2624 }
ceb4559f 2625 }
064af421 2626 }
bae7208e 2627
76343538 2628 shash_destroy(&new_ports);
064af421
BP
2629}
2630
7d674866
BP
2631/* Initializes 'oc' appropriately as a management service controller for
2632 * 'br'.
2633 *
2634 * The caller must free oc->target when it is no longer needed. */
2635static void
2636bridge_ofproto_controller_for_mgmt(const struct bridge *br,
2637 struct ofproto_controller *oc)
2638{
b43c6fe2 2639 oc->target = xasprintf("punix:%s/%s.mgmt", ovs_rundir(), br->name);
7d674866
BP
2640 oc->max_backoff = 0;
2641 oc->probe_interval = 60;
2642 oc->band = OFPROTO_OUT_OF_BAND;
7d674866
BP
2643 oc->rate_limit = 0;
2644 oc->burst_limit = 0;
9886b662 2645 oc->enable_async_msgs = true;
7d674866
BP
2646}
2647
2648/* Converts ovsrec_controller 'c' into an ofproto_controller in 'oc'. */
2649static void
2650bridge_ofproto_controller_from_ovsrec(const struct ovsrec_controller *c,
2651 struct ofproto_controller *oc)
2652{
a699f614 2653 int dscp;
f125905c 2654
7d674866
BP
2655 oc->target = c->target;
2656 oc->max_backoff = c->max_backoff ? *c->max_backoff / 1000 : 8;
2657 oc->probe_interval = c->inactivity_probe ? *c->inactivity_probe / 1000 : 5;
2658 oc->band = (!c->connection_mode || !strcmp(c->connection_mode, "in-band")
2659 ? OFPROTO_IN_BAND : OFPROTO_OUT_OF_BAND);
7d674866
BP
2660 oc->rate_limit = c->controller_rate_limit ? *c->controller_rate_limit : 0;
2661 oc->burst_limit = (c->controller_burst_limit
2662 ? *c->controller_burst_limit : 0);
9886b662
BP
2663 oc->enable_async_msgs = (!c->enable_async_messages
2664 || *c->enable_async_messages);
a699f614
EJ
2665 dscp = smap_get_int(&c->other_config, "dscp", DSCP_DEFAULT);
2666 if (dscp < 0 || dscp > 63) {
2667 dscp = DSCP_DEFAULT;
f125905c 2668 }
a699f614 2669 oc->dscp = dscp;
7d674866
BP
2670}
2671
2672/* Configures the IP stack for 'br''s local interface properly according to the
2673 * configuration in 'c'. */
2674static void
2675bridge_configure_local_iface_netdev(struct bridge *br,
2676 struct ovsrec_controller *c)
2677{
2678 struct netdev *netdev;
2679 struct in_addr mask, gateway;
2680
2681 struct iface *local_iface;
2682 struct in_addr ip;
2683
7d674866 2684 /* If there's no local interface or no IP address, give up. */
892815f5 2685 local_iface = iface_from_ofp_port(br, OFPP_LOCAL);
7d674866
BP
2686 if (!local_iface || !c->local_ip || !inet_aton(c->local_ip, &ip)) {
2687 return;
2688 }
2689
2690 /* Bring up the local interface. */
2691 netdev = local_iface->netdev;
2692 netdev_turn_flags_on(netdev, NETDEV_UP, true);
2693
2694 /* Configure the IP address and netmask. */
2695 if (!c->local_netmask
2696 || !inet_aton(c->local_netmask, &mask)
2697 || !mask.s_addr) {
2698 mask.s_addr = guess_netmask(ip.s_addr);
2699 }
2700 if (!netdev_set_in4(netdev, ip, mask)) {
2701 VLOG_INFO("bridge %s: configured IP address "IP_FMT", netmask "IP_FMT,
ed36537e 2702 br->name, IP_ARGS(ip.s_addr), IP_ARGS(mask.s_addr));
7d674866
BP
2703 }
2704
2705 /* Configure the default gateway. */
2706 if (c->local_gateway
2707 && inet_aton(c->local_gateway, &gateway)
2708 && gateway.s_addr) {
2709 if (!netdev_add_router(netdev, gateway)) {
2710 VLOG_INFO("bridge %s: configured gateway "IP_FMT,
ed36537e 2711 br->name, IP_ARGS(gateway.s_addr));
7d674866
BP
2712 }
2713 }
2714}
2715
cb4ef1ea
BP
2716/* Returns true if 'a' and 'b' are the same except that any number of slashes
2717 * in either string are treated as equal to any number of slashes in the other,
329e3462
PR
2718 * e.g. "x///y" is equal to "x/y".
2719 *
2720 * Also, if 'b_stoplen' bytes from 'b' are found to be equal to corresponding
2721 * bytes from 'a', the function considers this success. Specify 'b_stoplen' as
2722 * SIZE_MAX to compare all of 'a' to all of 'b' rather than just a prefix of
2723 * 'b' against a prefix of 'a'.
2724 */
cb4ef1ea 2725static bool
329e3462 2726equal_pathnames(const char *a, const char *b, size_t b_stoplen)
cb4ef1ea 2727{
329e3462 2728 const char *b_start = b;
4a1d4e86
BP
2729 for (;;) {
2730 if (b - b_start >= b_stoplen) {
2731 return true;
2732 } else if (*a != *b) {
2733 return false;
2734 } else if (*a == '/') {
cb4ef1ea
BP
2735 a += strspn(a, "/");
2736 b += strspn(b, "/");
2737 } else if (*a == '\0') {
2738 return true;
2739 } else {
2740 a++;
2741 b++;
2742 }
2743 }
cb4ef1ea
BP
2744}
2745
064af421 2746static void
fa066f01
BP
2747bridge_configure_remotes(struct bridge *br,
2748 const struct sockaddr_in *managers, size_t n_managers)
064af421 2749{
a699f614 2750 bool disable_in_band;
b1da6250 2751
76ce9432
BP
2752 struct ovsrec_controller **controllers;
2753 size_t n_controllers;
7d674866 2754
66da9bef 2755 enum ofproto_fail_mode fail_mode;
7d674866
BP
2756
2757 struct ofproto_controller *ocs;
2758 size_t n_ocs;
2759 size_t i;
064af421 2760
8731b2b6 2761 /* Check if we should disable in-band control on this bridge. */
a699f614
EJ
2762 disable_in_band = smap_get_bool(&br->cfg->other_config, "disable-in-band",
2763 false);
8731b2b6 2764
b1da6250 2765 /* Set OpenFlow queue ID for in-band control. */
a699f614
EJ
2766 ofproto_set_in_band_queue(br->ofproto,
2767 smap_get_int(&br->cfg->other_config,
2768 "in-band-queue", -1));
b1da6250 2769
8731b2b6
JP
2770 if (disable_in_band) {
2771 ofproto_set_extra_in_band_remotes(br->ofproto, NULL, 0);
2772 } else {
2773 ofproto_set_extra_in_band_remotes(br->ofproto, managers, n_managers);
2774 }
cd11000b 2775
1a048029 2776 n_controllers = bridge_get_controllers(br, &controllers);
064af421 2777
7d674866
BP
2778 ocs = xmalloc((n_controllers + 1) * sizeof *ocs);
2779 n_ocs = 0;
064af421 2780
7d674866
BP
2781 bridge_ofproto_controller_for_mgmt(br, &ocs[n_ocs++]);
2782 for (i = 0; i < n_controllers; i++) {
2783 struct ovsrec_controller *c = controllers[i];
76ce9432 2784
7d674866
BP
2785 if (!strncmp(c->target, "punix:", 6)
2786 || !strncmp(c->target, "unix:", 5)) {
2787 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
cb4ef1ea
BP
2788 char *whitelist;
2789
329e3462
PR
2790 if (!strncmp(c->target, "unix:", 5)) {
2791 /* Connect to a listening socket */
2792 whitelist = xasprintf("unix:%s/", ovs_rundir());
2c487bc8
PR
2793 if (strchr(c->target, '/') &&
2794 !equal_pathnames(c->target, whitelist,
2795 strlen(whitelist))) {
2796 /* Absolute path specified, but not in ovs_rundir */
329e3462
PR
2797 VLOG_ERR_RL(&rl, "bridge %s: Not connecting to socket "
2798 "controller \"%s\" due to possibility for "
2799 "remote exploit. Instead, specify socket "
2800 "in whitelisted \"%s\" or connect to "
2801 "\"unix:%s/%s.mgmt\" (which is always "
2802 "available without special configuration).",
2803 br->name, c->target, whitelist,
cb4ef1ea 2804 ovs_rundir(), br->name);
329e3462
PR
2805 free(whitelist);
2806 continue;
2807 }
2808 } else {
2809 whitelist = xasprintf("punix:%s/%s.controller",
2810 ovs_rundir(), br->name);
2811 if (!equal_pathnames(c->target, whitelist, SIZE_MAX)) {
2812 /* Prevent remote ovsdb-server users from accessing
2813 * arbitrary Unix domain sockets and overwriting arbitrary
2814 * local files. */
2815 VLOG_ERR_RL(&rl, "bridge %s: Not adding Unix domain socket "
2816 "controller \"%s\" due to possibility of "
2817 "overwriting local files. Instead, specify "
2818 "whitelisted \"%s\" or connect to "
2819 "\"unix:%s/%s.mgmt\" (which is always "
2820 "available without special configuration).",
2821 br->name, c->target, whitelist,
2822 ovs_rundir(), br->name);
2823 free(whitelist);
2824 continue;
2825 }
cb4ef1ea 2826 }
4d6fb5eb 2827
cb4ef1ea 2828 free(whitelist);
4d6fb5eb
EJ
2829 }
2830
7d674866 2831 bridge_configure_local_iface_netdev(br, c);
8731b2b6
JP
2832 bridge_ofproto_controller_from_ovsrec(c, &ocs[n_ocs]);
2833 if (disable_in_band) {
2834 ocs[n_ocs].band = OFPROTO_OUT_OF_BAND;
f620b43a 2835 }
8731b2b6 2836 n_ocs++;
be02e7c3 2837 }
be02e7c3 2838
7beaa082
SH
2839 ofproto_set_controllers(br->ofproto, ocs, n_ocs,
2840 bridge_get_allowed_versions(br));
7d674866
BP
2841 free(ocs[0].target); /* From bridge_ofproto_controller_for_mgmt(). */
2842 free(ocs);
66da9bef
BP
2843
2844 /* Set the fail-mode. */
2845 fail_mode = !br->cfg->fail_mode
2846 || !strcmp(br->cfg->fail_mode, "standalone")
2847 ? OFPROTO_FAIL_STANDALONE
2848 : OFPROTO_FAIL_SECURE;
2849 ofproto_set_fail_mode(br->ofproto, fail_mode);
2850
2851 /* Configure OpenFlow controller connection snooping. */
2852 if (!ofproto_has_snoops(br->ofproto)) {
2853 struct sset snoops;
5827ce14 2854
66da9bef
BP
2855 sset_init(&snoops);
2856 sset_add_and_free(&snoops, xasprintf("punix:%s/%s.snoop",
2857 ovs_rundir(), br->name));
2858 ofproto_set_snoops(br->ofproto, &snoops);
2859 sset_destroy(&snoops);
064af421
BP
2860 }
2861}
254750ce
BP
2862
2863static void
2864bridge_configure_tables(struct bridge *br)
2865{
2866 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
2867 int n_tables;
2868 int i, j;
2869
2870 n_tables = ofproto_get_n_tables(br->ofproto);
2871 j = 0;
2872 for (i = 0; i < n_tables; i++) {
2873 struct ofproto_table_settings s;
2874
2875 s.name = NULL;
2876 s.max_flows = UINT_MAX;
2877 s.groups = NULL;
2878 s.n_groups = 0;
2879
2880 if (j < br->cfg->n_flow_tables && i == br->cfg->key_flow_tables[j]) {
2881 struct ovsrec_flow_table *cfg = br->cfg->value_flow_tables[j++];
2882
2883 s.name = cfg->name;
2884 if (cfg->n_flow_limit && *cfg->flow_limit < UINT_MAX) {
2885 s.max_flows = *cfg->flow_limit;
2886 }
2887 if (cfg->overflow_policy
2888 && !strcmp(cfg->overflow_policy, "evict")) {
2889 size_t k;
2890
2891 s.groups = xmalloc(cfg->n_groups * sizeof *s.groups);
2892 for (k = 0; k < cfg->n_groups; k++) {
2893 const char *string = cfg->groups[k];
2894 char *msg;
2895
2896 msg = mf_parse_subfield__(&s.groups[k], &string);
2897 if (msg) {
2898 VLOG_WARN_RL(&rl, "bridge %s table %d: error parsing "
2899 "'groups' (%s)", br->name, i, msg);
2900 free(msg);
2901 } else if (*string) {
2902 VLOG_WARN_RL(&rl, "bridge %s table %d: 'groups' "
2903 "element '%s' contains trailing garbage",
2904 br->name, i, cfg->groups[k]);
2905 } else {
2906 s.n_groups++;
2907 }
2908 }
2909 }
2910 }
2911
2912 ofproto_configure_table(br->ofproto, i, &s);
2913
2914 free(s.groups);
2915 }
2916 for (; j < br->cfg->n_flow_tables; j++) {
2917 VLOG_WARN_RL(&rl, "bridge %s: ignoring configuration for flow table "
2918 "%"PRId64" not supported by this datapath", br->name,
2919 br->cfg->key_flow_tables[j]);
2920 }
2921}
8b6ff729
BP
2922
2923static void
2924bridge_configure_dp_desc(struct bridge *br)
2925{
2926 ofproto_set_dp_desc(br->ofproto,
2927 smap_get(&br->cfg->other_config, "dp-desc"));
2928}
064af421 2929\f
fa066f01 2930/* Port functions. */
064af421 2931
f620b43a 2932static struct port *
fa066f01 2933port_create(struct bridge *br, const struct ovsrec_port *cfg)
064af421 2934{
f620b43a
BP
2935 struct port *port;
2936
2937 port = xzalloc(sizeof *port);
2938 port->bridge = br;
fa066f01
BP
2939 port->name = xstrdup(cfg->name);
2940 port->cfg = cfg;
f620b43a
BP
2941 list_init(&port->ifaces);
2942
2943 hmap_insert(&br->ports, &port->hmap_node, hash_string(port->name, 0));
f620b43a 2944 return port;
064af421
BP
2945}
2946
fa066f01 2947/* Deletes interfaces from 'port' that are no longer configured for it. */
064af421 2948static void
fa066f01 2949port_del_ifaces(struct port *port)
064af421 2950{
f620b43a
BP
2951 struct iface *iface, *next;
2952 struct sset new_ifaces;
2953 size_t i;
064af421 2954
f620b43a
BP
2955 /* Collect list of new interfaces. */
2956 sset_init(&new_ifaces);
fa066f01
BP
2957 for (i = 0; i < port->cfg->n_interfaces; i++) {
2958 const char *name = port->cfg->interfaces[i]->name;
93f331d3 2959 const char *type = port->cfg->interfaces[i]->type;
00794817
BP
2960 if (strcmp(type, "null")) {
2961 sset_add(&new_ifaces, name);
2962 }
f620b43a 2963 }
064af421 2964
f620b43a
BP
2965 /* Get rid of deleted interfaces. */
2966 LIST_FOR_EACH_SAFE (iface, next, port_elem, &port->ifaces) {
2967 if (!sset_contains(&new_ifaces, iface->name)) {
2968 iface_destroy(iface);
064af421 2969 }
064af421 2970 }
f620b43a
BP
2971
2972 sset_destroy(&new_ifaces);
064af421
BP
2973}
2974
064af421
BP
2975static void
2976port_destroy(struct port *port)
2977{
2978 if (port) {
2979 struct bridge *br = port->bridge;
83db7968 2980 struct iface *iface, *next;
064af421 2981
fa066f01
BP
2982 if (br->ofproto) {
2983 ofproto_bundle_unregister(br->ofproto, port);
064af421
BP
2984 }
2985
83db7968
BP
2986 LIST_FOR_EACH_SAFE (iface, next, port_elem, &port->ifaces) {
2987 iface_destroy(iface);
064af421
BP
2988 }
2989
8052fb14 2990 hmap_remove(&br->ports, &port->hmap_node);
064af421
BP
2991 free(port->name);
2992 free(port);
064af421
BP
2993 }
2994}
2995
064af421
BP
2996static struct port *
2997port_lookup(const struct bridge *br, const char *name)
2998{
8052fb14
BP
2999 struct port *port;
3000
3001 HMAP_FOR_EACH_WITH_HASH (port, hmap_node, hash_string(name, 0),
3002 &br->ports) {
3003 if (!strcmp(port->name, name)) {
3004 return port;
3005 }
3006 }
3007 return NULL;
064af421
BP
3008}
3009
7a673515
BP
3010static bool
3011enable_lacp(struct port *port, bool *activep)
3012{
3013 if (!port->cfg->lacp) {
3014 /* XXX when LACP implementation has been sufficiently tested, enable by
3015 * default and make active on bonded ports. */
3016 return false;
3017 } else if (!strcmp(port->cfg->lacp, "off")) {
3018 return false;
3019 } else if (!strcmp(port->cfg->lacp, "active")) {
3020 *activep = true;
3021 return true;
3022 } else if (!strcmp(port->cfg->lacp, "passive")) {
3023 *activep = false;
3024 return true;
3025 } else {
3026 VLOG_WARN("port %s: unknown LACP mode %s",
3027 port->name, port->cfg->lacp);
3028 return false;
3029 }
3030}
3031
fa066f01
BP
3032static struct lacp_settings *
3033port_configure_lacp(struct port *port, struct lacp_settings *s)
5827ce14 3034{
e567943d 3035 const char *lacp_time, *system_id;
b5a25389 3036 int priority;
5827ce14 3037
fa066f01
BP
3038 if (!enable_lacp(port, &s->active)) {
3039 return NULL;
abd4a95d
EJ
3040 }
3041
fa066f01 3042 s->name = port->name;
e567943d 3043
a699f614 3044 system_id = smap_get(&port->cfg->other_config, "lacp-system-id");
a9bf011b
EJ
3045 if (system_id) {
3046 if (sscanf(system_id, ETH_ADDR_SCAN_FMT,
3047 ETH_ADDR_SCAN_ARGS(s->id)) != ETH_ADDR_SCAN_COUNT) {
3048 VLOG_WARN("port %s: LACP system ID (%s) must be an Ethernet"
3049 " address.", port->name, system_id);
3050 return NULL;
3051 }
3052 } else {
e567943d
EJ
3053 memcpy(s->id, port->bridge->ea, ETH_ADDR_LEN);
3054 }
b5a25389 3055
69fdadb1
EJ
3056 if (eth_addr_is_zero(s->id)) {
3057 VLOG_WARN("port %s: Invalid zero LACP system ID.", port->name);
3058 return NULL;
3059 }
3060
b5a25389 3061 /* Prefer bondable links if unspecified. */
a699f614
EJ
3062 priority = smap_get_int(&port->cfg->other_config, "lacp-system-priority",
3063 0);
fa066f01
BP
3064 s->priority = (priority > 0 && priority <= UINT16_MAX
3065 ? priority
3066 : UINT16_MAX - !list_is_short(&port->ifaces));
b5a25389 3067
a699f614
EJ
3068 lacp_time = smap_get(&port->cfg->other_config, "lacp-time");
3069 s->fast = lacp_time && !strcasecmp(lacp_time, "fast");
fa066f01
BP
3070 return s;
3071}
5827ce14 3072
fa066f01
BP
3073static void
3074iface_configure_lacp(struct iface *iface, struct lacp_slave_settings *s)
3075{
00794817 3076 int priority, portid, key;
5827ce14 3077
a699f614
EJ
3078 portid = smap_get_int(&iface->cfg->other_config, "lacp-port-id", 0);
3079 priority = smap_get_int(&iface->cfg->other_config, "lacp-port-priority",
3080 0);
3081 key = smap_get_int(&iface->cfg->other_config, "lacp-aggregation-key", 0);
fa066f01
BP
3082
3083 if (portid <= 0 || portid > UINT16_MAX) {
892815f5 3084 portid = iface->ofp_port;
5827ce14
EJ
3085 }
3086
fa066f01
BP
3087 if (priority <= 0 || priority > UINT16_MAX) {
3088 priority = UINT16_MAX;
3089 }
5827ce14 3090
00794817
BP
3091 if (key < 0 || key > UINT16_MAX) {
3092 key = 0;
5827ce14 3093 }
00794817 3094
fa066f01 3095 s->name = iface->name;
fa066f01
BP
3096 s->id = portid;
3097 s->priority = priority;
00794817 3098 s->key = key;
bb5bc6c0
BP
3099}
3100
c25c91fd 3101static void
df53d41c 3102port_configure_bond(struct port *port, struct bond_settings *s)
c25c91fd 3103{
f620b43a 3104 const char *detect_s;
7a673515 3105 struct iface *iface;
1670c579 3106 int miimon_interval;
c25c91fd 3107
fa066f01 3108 s->name = port->name;
4df08875 3109 s->balance = BM_AB;
4c57c3bc
EJ
3110 if (port->cfg->bond_mode) {
3111 if (!bond_mode_from_string(&s->balance, port->cfg->bond_mode)) {
3112 VLOG_WARN("port %s: unknown bond_mode %s, defaulting to %s",
3113 port->name, port->cfg->bond_mode,
3114 bond_mode_to_string(s->balance));
3115 }
3116 } else {
3117 static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 1);
3118
4df08875
EJ
3119 /* XXX: Post version 1.5.*, the default bond_mode changed from SLB to
3120 * active-backup. At some point we should remove this warning. */
4c57c3bc 3121 VLOG_WARN_RL(&rl, "port %s: Using the default bond_mode %s. Note that"
4df08875
EJ
3122 " in previous versions, the default bond_mode was"
3123 " balance-slb", port->name,
4c57c3bc 3124 bond_mode_to_string(s->balance));
f620b43a 3125 }
6c2d2a9f
BP
3126 if (s->balance == BM_SLB && port->bridge->cfg->n_flood_vlans) {
3127 VLOG_WARN("port %s: SLB bonds are incompatible with flood_vlans, "
3128 "please use another bond type or disable flood_vlans",
3129 port->name);
3130 }
bb5bc6c0 3131
a699f614
EJ
3132 miimon_interval = smap_get_int(&port->cfg->other_config,
3133 "bond-miimon-interval", 0);
1670c579
EJ
3134 if (miimon_interval <= 0) {
3135 miimon_interval = 200;
f620b43a
BP
3136 }
3137
a699f614
EJ
3138 detect_s = smap_get(&port->cfg->other_config, "bond-detect-mode");
3139 if (!detect_s || !strcmp(detect_s, "carrier")) {
1670c579
EJ
3140 miimon_interval = 0;
3141 } else if (strcmp(detect_s, "miimon")) {
3142 VLOG_WARN("port %s: unsupported bond-detect-mode %s, "
3143 "defaulting to carrier", port->name, detect_s);
3144 miimon_interval = 0;
f620b43a
BP
3145 }
3146
fa066f01
BP
3147 s->up_delay = MAX(0, port->cfg->bond_updelay);
3148 s->down_delay = MAX(0, port->cfg->bond_downdelay);
a699f614
EJ
3149 s->basis = smap_get_int(&port->cfg->other_config, "bond-hash-basis", 0);
3150 s->rebalance_interval = smap_get_int(&port->cfg->other_config,
3151 "bond-rebalance-interval", 10000);
bc1b010c 3152 if (s->rebalance_interval && s->rebalance_interval < 1000) {
fa066f01 3153 s->rebalance_interval = 1000;
f620b43a
BP
3154 }
3155
fa066f01 3156 s->fake_iface = port->cfg->bond_fake_iface;
7a673515 3157
7a673515 3158 LIST_FOR_EACH (iface, port_elem, &port->ifaces) {
1670c579 3159 netdev_set_miimon_interval(iface->netdev, miimon_interval);
064af421
BP
3160 }
3161}
06b592bc
EJ
3162
3163/* Returns true if 'port' is synthetic, that is, if we constructed it locally
3164 * instead of obtaining it from the database. */
3165static bool
3166port_is_synthetic(const struct port *port)
3167{
3168 return ovsdb_idl_row_is_synthetic(&port->cfg->header_);
3169}
064af421
BP
3170\f
3171/* Interface functions. */
3172
05ba03e0
JP
3173static bool
3174iface_is_internal(const struct ovsrec_interface *iface,
3175 const struct ovsrec_bridge *br)
3176{
3177 /* The local port and "internal" ports are always "internal". */
3178 return !strcmp(iface->type, "internal") || !strcmp(iface->name, br->name);
3179}
3180
b54441b3
BP
3181/* Returns the correct network device type for interface 'iface' in bridge
3182 * 'br'. */
3183static const char *
3184iface_get_type(const struct ovsrec_interface *iface,
3185 const struct ovsrec_bridge *br)
3186{
b4f4b737
JP
3187 const char *type;
3188
3189 /* The local port always has type "internal". Other ports take
3190 * their type from the database and default to "system" if none is
3191 * specified. */
05ba03e0 3192 if (iface_is_internal(iface, br)) {
b4f4b737 3193 type = "internal";
acf60855 3194 } else {
b4f4b737 3195 type = iface->type[0] ? iface->type : "system";
acf60855 3196 }
b4f4b737
JP
3197
3198 return ofproto_port_open_type(br->datapath_type, type);
064af421
BP
3199}
3200
3201static void
3202iface_destroy(struct iface *iface)
3203{
3204 if (iface) {
3205 struct port *port = iface->port;
3206 struct bridge *br = port->bridge;
c17f0d5e 3207
892815f5
BP
3208 if (br->ofproto && iface->ofp_port >= 0) {
3209 ofproto_port_unregister(br->ofproto, iface->ofp_port);
5827ce14
EJ
3210 }
3211
892815f5
BP
3212 if (iface->ofp_port >= 0) {
3213 hmap_remove(&br->ifaces, &iface->ofp_port_node);
064af421
BP
3214 }
3215
83db7968 3216 list_remove(&iface->port_elem);
ebea37cc 3217 hmap_remove(&br->iface_by_name, &iface->name_node);
064af421 3218
0c6aea3f 3219 netdev_close(iface->netdev);
064af421 3220
a740f0de
JG
3221 free(iface->name);
3222 free(iface);
064af421
BP
3223 }
3224}
3225
3226static struct iface *
3227iface_lookup(const struct bridge *br, const char *name)
3228{
ebea37cc
BP
3229 struct iface *iface;
3230
3231 HMAP_FOR_EACH_WITH_HASH (iface, name_node, hash_string(name, 0),
3232 &br->iface_by_name) {
3233 if (!strcmp(iface->name, name)) {
3234 return iface;
3235 }
3236 }
3237
3238 return NULL;
064af421
BP
3239}
3240
e8fe3026
EJ
3241static struct iface *
3242iface_find(const char *name)
3243{
3244 const struct bridge *br;
3245
764072fd 3246 HMAP_FOR_EACH (br, node, &all_bridges) {
e8fe3026
EJ
3247 struct iface *iface = iface_lookup(br, name);
3248
3249 if (iface) {
3250 return iface;
3251 }
3252 }
3253 return NULL;
3254}
3255
bae7208e
EJ
3256static struct if_cfg *
3257if_cfg_lookup(const struct bridge *br, const char *name)
3258{
3259 struct if_cfg *if_cfg;
3260
3261 HMAP_FOR_EACH_WITH_HASH (if_cfg, hmap_node, hash_string(name, 0),
3262 &br->if_cfg_todo) {
3263 if (!strcmp(if_cfg->cfg->name, name)) {
3264 return if_cfg;
3265 }
3266 }
3267
3268 return NULL;
3269}
3270
064af421 3271static struct iface *
892815f5 3272iface_from_ofp_port(const struct bridge *br, uint16_t ofp_port)
064af421 3273{
d9a8717a
BP
3274 struct iface *iface;
3275
892815f5
BP
3276 HMAP_FOR_EACH_IN_BUCKET (iface, ofp_port_node,
3277 hash_int(ofp_port, 0), &br->ifaces) {
3278 if (iface->ofp_port == ofp_port) {
d9a8717a
BP
3279 return iface;
3280 }
3281 }
3282 return NULL;
064af421 3283}
557d8e6c 3284
52df17e7
BP
3285/* Set Ethernet address of 'iface', if one is specified in the configuration
3286 * file. */
3287static void
3288iface_set_mac(struct iface *iface)
3289{
76343538 3290 uint8_t ea[ETH_ADDR_LEN];
52df17e7 3291
ede2fd6d
BP
3292 if (!strcmp(iface->type, "internal")
3293 && iface->cfg->mac && eth_addr_from_string(iface->cfg->mac, ea)) {
892815f5 3294 if (iface->ofp_port == OFPP_LOCAL) {
ede2fd6d
BP
3295 VLOG_ERR("interface %s: ignoring mac in Interface record "
3296 "(use Bridge record to set local port's mac)",
3297 iface->name);
3298 } else if (eth_addr_is_multicast(ea)) {
52df17e7
BP
3299 VLOG_ERR("interface %s: cannot set MAC to multicast address",
3300 iface->name);
52df17e7 3301 } else {
4d678233 3302 int error = netdev_set_etheraddr(iface->netdev, ea);
52df17e7
BP
3303 if (error) {
3304 VLOG_ERR("interface %s: setting MAC failed (%s)",
3305 iface->name, strerror(error));
3306 }
3307 }
3308 }
3309}
c1c9c9c4 3310
bcd49a45
BP
3311/* Sets the ofport column of 'if_cfg' to 'ofport'. */
3312static void
3313iface_set_ofport(const struct ovsrec_interface *if_cfg, int64_t ofport)
3314{
cfea354b 3315 if (if_cfg && !ovsdb_idl_row_is_synthetic(&if_cfg->header_)) {
bcd49a45
BP
3316 ovsrec_interface_set_ofport(if_cfg, &ofport, 1);
3317 }
3318}
3319
3fc5a86a
BP
3320/* Clears all of the fields in 'if_cfg' that indicate interface status, and
3321 * sets the "ofport" field to -1.
3322 *
3323 * This is appropriate when 'if_cfg''s interface cannot be created or is
3324 * otherwise invalid. */
3325static void
3326iface_clear_db_record(const struct ovsrec_interface *if_cfg)
3327{
3328 if (!ovsdb_idl_row_is_synthetic(&if_cfg->header_)) {
a699f614 3329 ovsrec_interface_set_status(if_cfg, NULL);
3fc5a86a
BP
3330 ovsrec_interface_set_admin_state(if_cfg, NULL);
3331 ovsrec_interface_set_duplex(if_cfg, NULL);
3332 ovsrec_interface_set_link_speed(if_cfg, NULL, 0);
3333 ovsrec_interface_set_link_state(if_cfg, NULL);
3334 ovsrec_interface_set_mtu(if_cfg, NULL, 0);
3335 ovsrec_interface_set_cfm_fault(if_cfg, NULL, 0);
b9380396 3336 ovsrec_interface_set_cfm_fault_status(if_cfg, NULL, 0);
3fc5a86a
BP
3337 ovsrec_interface_set_cfm_remote_mpids(if_cfg, NULL, 0);
3338 ovsrec_interface_set_lacp_current(if_cfg, NULL, 0);
3339 ovsrec_interface_set_statistics(if_cfg, NULL, NULL, 0);
3340 }
3341}
3342
c1c9c9c4
BP
3343struct iface_delete_queues_cbdata {
3344 struct netdev *netdev;
44fca7f9 3345 const struct ovsdb_datum *queues;
c1c9c9c4
BP
3346};
3347
3348static bool
44fca7f9 3349queue_ids_include(const struct ovsdb_datum *queues, int64_t target)
c1c9c9c4 3350{
44fca7f9 3351 union ovsdb_atom atom;
c1c9c9c4 3352
44fca7f9
BP
3353 atom.integer = target;
3354 return ovsdb_datum_find_key(queues, &atom, OVSDB_TYPE_INTEGER) != UINT_MAX;
c1c9c9c4
BP
3355}
3356
3357static void
3358iface_delete_queues(unsigned int queue_id,
79f1cbe9 3359 const struct smap *details OVS_UNUSED, void *cbdata_)
c1c9c9c4
BP
3360{
3361 struct iface_delete_queues_cbdata *cbdata = cbdata_;
3362
44fca7f9 3363 if (!queue_ids_include(cbdata->queues, queue_id)) {
c1c9c9c4
BP
3364 netdev_delete_queue(cbdata->netdev, queue_id);
3365 }
3366}
3367
3368static void
66da9bef 3369iface_configure_qos(struct iface *iface, const struct ovsrec_qos *qos)
c1c9c9c4 3370{
8b36f51e
EJ
3371 struct ofpbuf queues_buf;
3372
3373 ofpbuf_init(&queues_buf, 0);
3374
daa8bd2b 3375 if (!qos || qos->type[0] == '\0' || qos->n_queues < 1) {
c1c9c9c4
BP
3376 netdev_set_qos(iface->netdev, NULL, NULL);
3377 } else {
3378 struct iface_delete_queues_cbdata cbdata;
6a6e60bd 3379 bool queue_zero;
c1c9c9c4
BP
3380 size_t i;
3381
3382 /* Configure top-level Qos for 'iface'. */
a699f614 3383 netdev_set_qos(iface->netdev, qos->type, &qos->other_config);
c1c9c9c4
BP
3384
3385 /* Deconfigure queues that were deleted. */
3386 cbdata.netdev = iface->netdev;
44fca7f9
BP
3387 cbdata.queues = ovsrec_qos_get_queues(qos, OVSDB_TYPE_INTEGER,
3388 OVSDB_TYPE_UUID);
c1c9c9c4
BP
3389 netdev_dump_queues(iface->netdev, iface_delete_queues, &cbdata);
3390
3391 /* Configure queues for 'iface'. */
6a6e60bd 3392 queue_zero = false;
c1c9c9c4
BP
3393 for (i = 0; i < qos->n_queues; i++) {
3394 const struct ovsrec_queue *queue = qos->value_queues[i];
3395 unsigned int queue_id = qos->key_queues[i];
3396
6a6e60bd
BP
3397 if (queue_id == 0) {
3398 queue_zero = true;
3399 }
3400
8b36f51e
EJ
3401 if (queue->n_dscp == 1) {
3402 struct ofproto_port_queue *port_queue;
3403
3404 port_queue = ofpbuf_put_uninit(&queues_buf,
3405 sizeof *port_queue);
3406 port_queue->queue = queue_id;
3407 port_queue->dscp = queue->dscp[0];
3408 }
3409
a699f614 3410 netdev_set_queue(iface->netdev, queue_id, &queue->other_config);
c1c9c9c4 3411 }
6a6e60bd 3412 if (!queue_zero) {
a699f614
EJ
3413 struct smap details;
3414
79f1cbe9 3415 smap_init(&details);
2c999774 3416 netdev_set_queue(iface->netdev, 0, &details);
79f1cbe9 3417 smap_destroy(&details);
6a6e60bd 3418 }
c1c9c9c4 3419 }
fa066f01 3420
8b36f51e
EJ
3421 if (iface->ofp_port >= 0) {
3422 const struct ofproto_port_queue *port_queues = queues_buf.data;
3423 size_t n_queues = queues_buf.size / sizeof *port_queues;
3424
3425 ofproto_port_set_queues(iface->port->bridge->ofproto, iface->ofp_port,
3426 port_queues, n_queues);
3427 }
3428
fa066f01
BP
3429 netdev_set_policing(iface->netdev,
3430 iface->cfg->ingress_policing_rate,
3431 iface->cfg->ingress_policing_burst);
8b36f51e
EJ
3432
3433 ofpbuf_uninit(&queues_buf);
c1c9c9c4 3434}
b31bcf60
EJ
3435
3436static void
66da9bef 3437iface_configure_cfm(struct iface *iface)
b31bcf60 3438{
93b8df38 3439 const struct ovsrec_interface *cfg = iface->cfg;
a699f614 3440 const char *opstate_str;
189cb9e4 3441 const char *cfm_ccm_vlan;
a5610457 3442 struct cfm_settings s;
b363bae4 3443 struct smap netdev_args;
b31bcf60 3444
144216a3 3445 if (!cfg->n_cfm_mpid) {
892815f5 3446 ofproto_port_clear_cfm(iface->port->bridge->ofproto, iface->ofp_port);
b31bcf60
EJ
3447 return;
3448 }
3449
b363bae4
EJ
3450 s.check_tnl_key = false;
3451 smap_init(&netdev_args);
3452 if (!netdev_get_config(iface->netdev, &netdev_args)) {
3453 const char *key = smap_get(&netdev_args, "key");
3454 const char *in_key = smap_get(&netdev_args, "in_key");
3455
3456 s.check_tnl_key = (key && !strcmp(key, "flow"))
3457 || (in_key && !strcmp(in_key, "flow"));
3458 }
3459 smap_destroy(&netdev_args);
3460
a5610457 3461 s.mpid = *cfg->cfm_mpid;
a699f614
EJ
3462 s.interval = smap_get_int(&iface->cfg->other_config, "cfm_interval", 0);
3463 cfm_ccm_vlan = smap_get(&iface->cfg->other_config, "cfm_ccm_vlan");
3464 s.ccm_pcp = smap_get_int(&iface->cfg->other_config, "cfm_ccm_pcp", 0);
3465
a5610457
EJ
3466 if (s.interval <= 0) {
3467 s.interval = 1000;
b31bcf60 3468 }
b31bcf60 3469
a699f614
EJ
3470 if (!cfm_ccm_vlan) {
3471 s.ccm_vlan = 0;
3472 } else if (!strcasecmp("random", cfm_ccm_vlan)) {
189cb9e4
EJ
3473 s.ccm_vlan = CFM_RANDOM_VLAN;
3474 } else {
3475 s.ccm_vlan = atoi(cfm_ccm_vlan);
3476 if (s.ccm_vlan == CFM_RANDOM_VLAN) {
3477 s.ccm_vlan = 0;
3478 }
3479 }
3480
a699f614
EJ
3481 s.extended = smap_get_bool(&iface->cfg->other_config, "cfm_extended",
3482 false);
ef9819b5 3483
a699f614
EJ
3484 opstate_str = smap_get(&iface->cfg->other_config, "cfm_opstate");
3485 s.opup = !opstate_str || !strcasecmp("up", opstate_str);
86dc6501 3486
a5610457 3487 ofproto_port_set_cfm(iface->port->bridge->ofproto, iface->ofp_port, &s);
b31bcf60 3488}
0b8024eb 3489
cfea354b
BP
3490/* Returns true if 'iface' is synthetic, that is, if we constructed it locally
3491 * instead of obtaining it from the database. */
3492static bool
3493iface_is_synthetic(const struct iface *iface)
3494{
3495 return ovsdb_idl_row_is_synthetic(&iface->cfg->header_);
3496}
f125905c 3497
558e2cc5
GS
3498static int64_t
3499iface_pick_ofport(const struct ovsrec_interface *cfg)
3500{
3501 int64_t ofport = cfg->n_ofport ? *cfg->ofport : OFPP_NONE;
3502 return cfg->n_ofport_request ? *cfg->ofport_request : ofport;
3503}
3504
064af421
BP
3505\f
3506/* Port mirroring. */
3507
dd0d105c
BP
3508static struct mirror *
3509mirror_find_by_uuid(struct bridge *br, const struct uuid *uuid)
3510{
fa066f01 3511 struct mirror *m;
dd0d105c 3512
fa066f01
BP
3513 HMAP_FOR_EACH_IN_BUCKET (m, hmap_node, uuid_hash(uuid), &br->mirrors) {
3514 if (uuid_equals(uuid, &m->uuid)) {
dd0d105c
BP
3515 return m;
3516 }
3517 }
3518 return NULL;
3519}
3520
064af421 3521static void
fa066f01 3522bridge_configure_mirrors(struct bridge *br)
064af421 3523{
fa066f01
BP
3524 const struct ovsdb_datum *mc;
3525 unsigned long *flood_vlans;
3526 struct mirror *m, *next;
3527 size_t i;
064af421 3528
dd0d105c 3529 /* Get rid of deleted mirrors. */
fa066f01
BP
3530 mc = ovsrec_bridge_get_mirrors(br->cfg, OVSDB_TYPE_UUID);
3531 HMAP_FOR_EACH_SAFE (m, next, hmap_node, &br->mirrors) {
3532 union ovsdb_atom atom;
3533
3534 atom.uuid = m->uuid;
3535 if (ovsdb_datum_find_key(mc, &atom, OVSDB_TYPE_UUID) == UINT_MAX) {
3536 mirror_destroy(m);
064af421
BP
3537 }
3538 }
3539
dd0d105c 3540 /* Add new mirrors and reconfigure existing ones. */
37e7f427 3541 for (i = 0; i < br->cfg->n_mirrors; i++) {
fa066f01 3542 const struct ovsrec_mirror *cfg = br->cfg->mirrors[i];
dd0d105c 3543 struct mirror *m = mirror_find_by_uuid(br, &cfg->header_.uuid);
fa066f01
BP
3544 if (!m) {
3545 m = mirror_create(br, cfg);
064af421 3546 }
9d24de3b
JP
3547 m->cfg = cfg;
3548 if (!mirror_configure(m)) {
fa066f01 3549 mirror_destroy(m);
064af421
BP
3550 }
3551 }
f2d7fd66 3552
8f30d09a 3553 /* Update flooded vlans (for RSPAN). */
fa066f01
BP
3554 flood_vlans = vlan_bitmap_from_array(br->cfg->flood_vlans,
3555 br->cfg->n_flood_vlans);
3556 ofproto_set_flood_vlans(br->ofproto, flood_vlans);
3557 bitmap_free(flood_vlans);
064af421
BP
3558}
3559
fa066f01
BP
3560static struct mirror *
3561mirror_create(struct bridge *br, const struct ovsrec_mirror *cfg)
064af421
BP
3562{
3563 struct mirror *m;
064af421 3564
fa066f01 3565 m = xzalloc(sizeof *m);
8bbc128e 3566 m->uuid = cfg->header_.uuid;
fa066f01 3567 hmap_insert(&br->mirrors, &m->hmap_node, uuid_hash(&m->uuid));
064af421 3568 m->bridge = br;
dd0d105c 3569 m->name = xstrdup(cfg->name);
37e7f427 3570
fa066f01 3571 return m;
064af421
BP
3572}
3573
3574static void
3575mirror_destroy(struct mirror *m)
3576{
3577 if (m) {
3578 struct bridge *br = m->bridge;
064af421 3579
fa066f01
BP
3580 if (br->ofproto) {
3581 ofproto_mirror_unregister(br->ofproto, m);
064af421
BP
3582 }
3583
fa066f01 3584 hmap_remove(&br->mirrors, &m->hmap_node);
786880a5 3585 free(m->name);
064af421 3586 free(m);
064af421
BP
3587 }
3588}
3589
3590static void
fa066f01
BP
3591mirror_collect_ports(struct mirror *m,
3592 struct ovsrec_port **in_ports, int n_in_ports,
3593 void ***out_portsp, size_t *n_out_portsp)
064af421 3594{
fa066f01
BP
3595 void **out_ports = xmalloc(n_in_ports * sizeof *out_ports);
3596 size_t n_out_ports = 0;
064af421
BP
3597 size_t i;
3598
fa066f01
BP
3599 for (i = 0; i < n_in_ports; i++) {
3600 const char *name = in_ports[i]->name;
3601 struct port *port = port_lookup(m->bridge, name);
3602 if (port) {
3603 out_ports[n_out_ports++] = port;
064af421 3604 } else {
37e7f427
BP
3605 VLOG_WARN("bridge %s: mirror %s cannot match on nonexistent "
3606 "port %s", m->bridge->name, m->name, name);
064af421
BP
3607 }
3608 }
fa066f01
BP
3609 *out_portsp = out_ports;
3610 *n_out_portsp = n_out_ports;
064af421
BP
3611}
3612
3613static bool
9d24de3b 3614mirror_configure(struct mirror *m)
064af421 3615{
9d24de3b 3616 const struct ovsrec_mirror *cfg = m->cfg;
fa066f01 3617 struct ofproto_mirror_settings s;
064af421 3618
dd0d105c
BP
3619 /* Set name. */
3620 if (strcmp(cfg->name, m->name)) {
3621 free(m->name);
3622 m->name = xstrdup(cfg->name);
3623 }
fa066f01 3624 s.name = m->name;
dd0d105c 3625
fa066f01 3626 /* Get output port or VLAN. */
37e7f427 3627 if (cfg->output_port) {
fa066f01 3628 s.out_bundle = port_lookup(m->bridge, cfg->output_port->name);
abe529af 3629 if (!s.out_bundle) {
37e7f427
BP
3630 VLOG_ERR("bridge %s: mirror %s outputs to port not on bridge",
3631 m->bridge->name, m->name);
fa066f01 3632 return false;
064af421 3633 }
fa066f01 3634 s.out_vlan = UINT16_MAX;
064af421 3635
37e7f427
BP
3636 if (cfg->output_vlan) {
3637 VLOG_ERR("bridge %s: mirror %s specifies both output port and "
3638 "output vlan; ignoring output vlan",
3639 m->bridge->name, m->name);
064af421 3640 }
37e7f427 3641 } else if (cfg->output_vlan) {
fa066f01
BP
3642 /* The database should prevent invalid VLAN values. */
3643 s.out_bundle = NULL;
3644 s.out_vlan = *cfg->output_vlan;
064af421 3645 } else {
37e7f427
BP
3646 VLOG_ERR("bridge %s: mirror %s does not specify output; ignoring",
3647 m->bridge->name, m->name);
fa066f01 3648 return false;
064af421
BP
3649 }
3650
fa066f01 3651 /* Get port selection. */
939ff267 3652 if (cfg->select_all) {
fa066f01
BP
3653 size_t n_ports = hmap_count(&m->bridge->ports);
3654 void **ports = xmalloc(n_ports * sizeof *ports);
abe529af 3655 struct port *port;
fa066f01
BP
3656 size_t i;
3657
3658 i = 0;
8052fb14 3659 HMAP_FOR_EACH (port, hmap_node, &m->bridge->ports) {
fa066f01 3660 ports[i++] = port;
939ff267 3661 }
fa066f01
BP
3662
3663 s.srcs = ports;
3664 s.n_srcs = n_ports;
3665
3666 s.dsts = ports;
3667 s.n_dsts = n_ports;
939ff267 3668 } else {
fa066f01
BP
3669 /* Get ports, dropping ports that don't exist.
3670 * The IDL ensures that there are no duplicates. */
939ff267 3671 mirror_collect_ports(m, cfg->select_src_port, cfg->n_select_src_port,
fa066f01 3672 &s.srcs, &s.n_srcs);
939ff267 3673 mirror_collect_ports(m, cfg->select_dst_port, cfg->n_select_dst_port,
fa066f01 3674 &s.dsts, &s.n_dsts);
064af421
BP
3675 }
3676
fa066f01
BP
3677 /* Get VLAN selection. */
3678 s.src_vlans = vlan_bitmap_from_array(cfg->select_vlan, cfg->n_select_vlan);
3679
3680 /* Configure. */
3681 ofproto_mirror_register(m->bridge->ofproto, m, &s);
3682
064af421 3683 /* Clean up. */
fa066f01
BP
3684 if (s.srcs != s.dsts) {
3685 free(s.dsts);
3686 }
3687 free(s.srcs);
3688 free(s.src_vlans);
3689
3690 return true;
064af421 3691}
52a90c29
BP
3692\f
3693/* Linux VLAN device support (e.g. "eth0.10" for VLAN 10.)
3694 *
3695 * This is deprecated. It is only for compatibility with broken device drivers
3696 * in old versions of Linux that do not properly support VLANs when VLAN
3697 * devices are not used. When broken device drivers are no longer in
3698 * widespread use, we will delete these interfaces. */
3699
37344ffa
EJ
3700static struct ovsrec_port **recs;
3701static size_t n_recs, allocated_recs;
52a90c29 3702
37344ffa
EJ
3703/* Adds 'rec' to a list of recs that have to be destroyed when the VLAN
3704 * splinters are reconfigured. */
52a90c29 3705static void
37344ffa 3706register_rec(struct ovsrec_port *rec)
52a90c29 3707{
37344ffa
EJ
3708 if (n_recs >= allocated_recs) {
3709 recs = x2nrealloc(recs, &allocated_recs, sizeof *recs);
52a90c29 3710 }
37344ffa 3711 recs[n_recs++] = rec;
52a90c29
BP
3712}
3713
37344ffa 3714/* Frees all of the ports registered with register_reg(). */
52a90c29 3715static void
37344ffa 3716free_registered_recs(void)
52a90c29
BP
3717{
3718 size_t i;
3719
37344ffa
EJ
3720 for (i = 0; i < n_recs; i++) {
3721 struct ovsrec_port *port = recs[i];
3722 size_t j;
3723
3724 for (j = 0; j < port->n_interfaces; j++) {
3725 struct ovsrec_interface *iface = port->interfaces[j];
3726 free(iface->name);
3727 free(iface);
3728 }
3729
a699f614 3730 smap_destroy(&port->other_config);
37344ffa
EJ
3731 free(port->interfaces);
3732 free(port->name);
3733 free(port->tag);
37344ffa 3734 free(port);
52a90c29 3735 }
37344ffa 3736 n_recs = 0;
52a90c29
BP
3737}
3738
3739/* Returns true if VLAN splinters are enabled on 'iface_cfg', false
3740 * otherwise. */
3741static bool
3742vlan_splinters_is_enabled(const struct ovsrec_interface *iface_cfg)
3743{
a699f614
EJ
3744 return smap_get_bool(&iface_cfg->other_config, "enable-vlan-splinters",
3745 false);
52a90c29
BP
3746}
3747
3748/* Figures out the set of VLANs that are in use for the purpose of VLAN
3749 * splinters.
3750 *
3751 * If VLAN splinters are enabled on at least one interface and any VLANs are in
3752 * use, returns a 4096-bit bitmap with a 1-bit for each in-use VLAN (bits 0 and
3753 * 4095 will not be set). The caller is responsible for freeing the bitmap,
3754 * with free().
3755 *
3756 * If VLANs splinters are not enabled on any interface or if no VLANs are in
3757 * use, returns NULL.
3758 *
3759 * Updates 'vlan_splinters_enabled_anywhere'. */
3760static unsigned long int *
3761collect_splinter_vlans(const struct ovsrec_open_vswitch *ovs_cfg)
3762{
3763 unsigned long int *splinter_vlans;
3764 struct sset splinter_ifaces;
3765 const char *real_dev_name;
3766 struct shash *real_devs;
3767 struct shash_node *node;
3768 struct bridge *br;
3769 size_t i;
3770
7c70698f
BP
3771 /* Free space allocated for synthesized ports and interfaces, since we're
3772 * in the process of reconstructing all of them. */
37344ffa 3773 free_registered_recs();
7c70698f 3774
45c580a3 3775 splinter_vlans = bitmap_allocate(4096);
52a90c29 3776 sset_init(&splinter_ifaces);
45c580a3 3777 vlan_splinters_enabled_anywhere = false;
52a90c29
BP
3778 for (i = 0; i < ovs_cfg->n_bridges; i++) {
3779 struct ovsrec_bridge *br_cfg = ovs_cfg->bridges[i];
3780 size_t j;
3781
3782 for (j = 0; j < br_cfg->n_ports; j++) {
3783 struct ovsrec_port *port_cfg = br_cfg->ports[j];
3784 int k;
3785
3786 for (k = 0; k < port_cfg->n_interfaces; k++) {
3787 struct ovsrec_interface *iface_cfg = port_cfg->interfaces[k];
3788
3789 if (vlan_splinters_is_enabled(iface_cfg)) {
45c580a3 3790 vlan_splinters_enabled_anywhere = true;
52a90c29 3791 sset_add(&splinter_ifaces, iface_cfg->name);
52a90c29
BP
3792 vlan_bitmap_from_array__(port_cfg->trunks,
3793 port_cfg->n_trunks,
3794 splinter_vlans);
3795 }
3796 }
45c580a3
BP
3797
3798 if (port_cfg->tag && *port_cfg->tag > 0 && *port_cfg->tag < 4095) {
3799 bitmap_set1(splinter_vlans, *port_cfg->tag);
3800 }
52a90c29
BP
3801 }
3802 }
3803
45c580a3
BP
3804 if (!vlan_splinters_enabled_anywhere) {
3805 free(splinter_vlans);
52a90c29
BP
3806 sset_destroy(&splinter_ifaces);
3807 return NULL;
3808 }
3809
3810 HMAP_FOR_EACH (br, node, &all_bridges) {
3811 if (br->ofproto) {
3812 ofproto_get_vlan_usage(br->ofproto, splinter_vlans);
3813 }
3814 }
3815
3816 /* Don't allow VLANs 0 or 4095 to be splintered. VLAN 0 should appear on
3817 * the real device. VLAN 4095 is reserved and Linux doesn't allow a VLAN
3818 * device to be created for it. */
3819 bitmap_set0(splinter_vlans, 0);
3820 bitmap_set0(splinter_vlans, 4095);
3821
3822 /* Delete all VLAN devices that we don't need. */
3823 vlandev_refresh();
3824 real_devs = vlandev_get_real_devs();
3825 SHASH_FOR_EACH (node, real_devs) {
3826 const struct vlan_real_dev *real_dev = node->data;
3827 const struct vlan_dev *vlan_dev;
3828 bool real_dev_has_splinters;
3829
3830 real_dev_has_splinters = sset_contains(&splinter_ifaces,
3831 real_dev->name);
3832 HMAP_FOR_EACH (vlan_dev, hmap_node, &real_dev->vlan_devs) {
3833 if (!real_dev_has_splinters
3834 || !bitmap_is_set(splinter_vlans, vlan_dev->vid)) {
3835 struct netdev *netdev;
3836
3837 if (!netdev_open(vlan_dev->name, "system", &netdev)) {
3838 if (!netdev_get_in4(netdev, NULL, NULL) ||
3839 !netdev_get_in6(netdev, NULL)) {
3840 vlandev_del(vlan_dev->name);
3841 } else {
3842 /* It has an IP address configured, so we don't own
3843 * it. Don't delete it. */
3844 }
3845 netdev_close(netdev);
3846 }
3847 }
3848
3849 }
3850 }
3851
3852 /* Add all VLAN devices that we need. */
3853 SSET_FOR_EACH (real_dev_name, &splinter_ifaces) {
3854 int vid;
3855
3856 BITMAP_FOR_EACH_1 (vid, 4096, splinter_vlans) {
3857 if (!vlandev_get_name(real_dev_name, vid)) {
3858 vlandev_add(real_dev_name, vid);
3859 }
3860 }
3861 }
3862
3863 vlandev_refresh();
3864
3865 sset_destroy(&splinter_ifaces);
3866
3867 if (bitmap_scan(splinter_vlans, 0, 4096) >= 4096) {
3868 free(splinter_vlans);
3869 return NULL;
3870 }
3871 return splinter_vlans;
3872}
3873
3874/* Pushes the configure of VLAN splinter port 'port' (e.g. eth0.9) down to
3875 * ofproto. */
3876static void
3877configure_splinter_port(struct port *port)
3878{
3879 struct ofproto *ofproto = port->bridge->ofproto;
3880 uint16_t realdev_ofp_port;
3881 const char *realdev_name;
3882 struct iface *vlandev, *realdev;
3883
3884 ofproto_bundle_unregister(port->bridge->ofproto, port);
3885
3886 vlandev = CONTAINER_OF(list_front(&port->ifaces), struct iface,
3887 port_elem);
3888
a699f614 3889 realdev_name = smap_get(&port->cfg->other_config, "realdev");
52a90c29
BP
3890 realdev = iface_lookup(port->bridge, realdev_name);
3891 realdev_ofp_port = realdev ? realdev->ofp_port : 0;
3892
3893 ofproto_port_set_realdev(ofproto, vlandev->ofp_port, realdev_ofp_port,
3894 *port->cfg->tag);
3895}
3896
3897static struct ovsrec_port *
3898synthesize_splinter_port(const char *real_dev_name,
3899 const char *vlan_dev_name, int vid)
3900{
3901 struct ovsrec_interface *iface;
3902 struct ovsrec_port *port;
3903
a699f614
EJ
3904 iface = xmalloc(sizeof *iface);
3905 ovsrec_interface_init(iface);
52a90c29
BP
3906 iface->name = xstrdup(vlan_dev_name);
3907 iface->type = "system";
3908
a699f614
EJ
3909 port = xmalloc(sizeof *port);
3910 ovsrec_port_init(port);
52a90c29
BP
3911 port->interfaces = xmemdup(&iface, sizeof iface);
3912 port->n_interfaces = 1;
3913 port->name = xstrdup(vlan_dev_name);
3914 port->vlan_mode = "splinter";
3915 port->tag = xmalloc(sizeof *port->tag);
3916 *port->tag = vid;
a699f614
EJ
3917
3918 smap_add(&port->other_config, "realdev", real_dev_name);
52a90c29 3919
37344ffa 3920 register_rec(port);
52a90c29
BP
3921 return port;
3922}
3923
3924/* For each interface with 'br' that has VLAN splinters enabled, adds a
3925 * corresponding ovsrec_port to 'ports' for each splinter VLAN marked with a
3926 * 1-bit in the 'splinter_vlans' bitmap. */
3927static void
3928add_vlan_splinter_ports(struct bridge *br,
3929 const unsigned long int *splinter_vlans,
3930 struct shash *ports)
3931{
3932 size_t i;
3933
52a90c29
BP
3934 /* We iterate through 'br->cfg->ports' instead of 'ports' here because
3935 * we're modifying 'ports'. */
3936 for (i = 0; i < br->cfg->n_ports; i++) {
3937 const char *name = br->cfg->ports[i]->name;
3938 struct ovsrec_port *port_cfg = shash_find_data(ports, name);
3939 size_t j;
3940
3941 for (j = 0; j < port_cfg->n_interfaces; j++) {
3942 struct ovsrec_interface *iface_cfg = port_cfg->interfaces[j];
3943
3944 if (vlan_splinters_is_enabled(iface_cfg)) {
3945 const char *real_dev_name;
3946 uint16_t vid;
3947
3948 real_dev_name = iface_cfg->name;
3949 BITMAP_FOR_EACH_1 (vid, 4096, splinter_vlans) {
3950 const char *vlan_dev_name;
3951
3952 vlan_dev_name = vlandev_get_name(real_dev_name, vid);
3953 if (vlan_dev_name
3954 && !shash_find(ports, vlan_dev_name)) {
3955 shash_add(ports, vlan_dev_name,
3956 synthesize_splinter_port(
3957 real_dev_name, vlan_dev_name, vid));
3958 }
3959 }
3960 }
3961 }
3962 }
3963}
9d24de3b
JP
3964
3965static void
3966mirror_refresh_stats(struct mirror *m)
3967{
3968 struct ofproto *ofproto = m->bridge->ofproto;
3969 uint64_t tx_packets, tx_bytes;
3970 char *keys[2];
3971 int64_t values[2];
3972 size_t stat_cnt = 0;
3973
3974 if (ofproto_mirror_get_stats(ofproto, m, &tx_packets, &tx_bytes)) {
3975 ovsrec_mirror_set_statistics(m->cfg, NULL, NULL, 0);
3976 return;
3977 }
3978
3979 if (tx_packets != UINT64_MAX) {
3980 keys[stat_cnt] = "tx_packets";
3981 values[stat_cnt] = tx_packets;
3982 stat_cnt++;
3983 }
3984 if (tx_bytes != UINT64_MAX) {
3985 keys[stat_cnt] = "tx_bytes";
3986 values[stat_cnt] = tx_bytes;
3987 stat_cnt++;
3988 }
3989
3990 ovsrec_mirror_set_statistics(m->cfg, keys, values, stat_cnt);
3991}