#include "ofpbuf.h"
#include "packets.h"
#include "poll-loop.h"
+#include "shash.h"
#include "timer.h"
#include "timeval.h"
#include "unixctl.h"
VLOG_DEFINE_THIS_MODULE(lacp);
+/* Masks for lacp_info state member. */
+#define LACP_STATE_ACT 0x01 /* Activity. Active or passive? */
+#define LACP_STATE_TIME 0x02 /* Timeout. Short or long timeout? */
+#define LACP_STATE_AGG 0x04 /* Aggregation. Is the link is bondable? */
+#define LACP_STATE_SYNC 0x08 /* Synchronization. Is the link in up to date? */
+#define LACP_STATE_COL 0x10 /* Collecting. Is the link receiving frames? */
+#define LACP_STATE_DIST 0x20 /* Distributing. Is the link sending frames? */
+#define LACP_STATE_DEF 0x40 /* Defaulted. Using default partner info? */
+#define LACP_STATE_EXP 0x80 /* Expired. Using expired partner info? */
+
+#define LACP_FAST_TIME_TX 1000 /* Fast transmission rate. */
+#define LACP_SLOW_TIME_TX 30000 /* Slow transmission rate. */
+#define LACP_RX_MULTIPLIER 3 /* Multiply by TX rate to get RX rate. */
+
+#define LACP_INFO_LEN 15
+struct lacp_info {
+ ovs_be16 sys_priority; /* System priority. */
+ uint8_t sys_id[ETH_ADDR_LEN]; /* System ID. */
+ ovs_be16 key; /* Operational key. */
+ ovs_be16 port_priority; /* Port priority. */
+ ovs_be16 port_id; /* Port ID. */
+ uint8_t state; /* State mask. See LACP_STATE macros. */
+} __attribute__((packed));
+BUILD_ASSERT_DECL(LACP_INFO_LEN == sizeof(struct lacp_info));
+
+#define LACP_PDU_LEN 110
+struct lacp_pdu {
+ uint8_t subtype; /* Always 1. */
+ uint8_t version; /* Always 1. */
+
+ uint8_t actor_type; /* Always 1. */
+ uint8_t actor_len; /* Always 20. */
+ struct lacp_info actor; /* LACP actor information. */
+ uint8_t z1[3]; /* Reserved. Always 0. */
+
+ uint8_t partner_type; /* Always 2. */
+ uint8_t partner_len; /* Always 20. */
+ struct lacp_info partner; /* LACP partner information. */
+ uint8_t z2[3]; /* Reserved. Always 0. */
+
+ uint8_t collector_type; /* Always 3. */
+ uint8_t collector_len; /* Always 16. */
+ ovs_be16 collector_delay; /* Maximum collector delay. Set to UINT16_MAX. */
+ uint8_t z3[64]; /* Combination of several fields. Always 0. */
+} __attribute__((packed));
+BUILD_ASSERT_DECL(LACP_PDU_LEN == sizeof(struct lacp_pdu));
+\f
+/* Implementation. */
+
enum slave_status {
LACP_CURRENT, /* Current State. Partner up to date. */
LACP_EXPIRED, /* Expired State. Partner out of date. */
void *aux);
/* Populates 'pdu' with a LACP PDU comprised of 'actor' and 'partner'. */
-void
+static void
compose_lacp_pdu(const struct lacp_info *actor,
const struct lacp_info *partner, struct lacp_pdu *pdu)
{
* returns NULL if 'b' is malformed, or does not represent a LACP PDU format
* supported by OVS. Otherwise, it returns a pointer to the lacp_pdu contained
* within 'b'. */
-const struct lacp_pdu *
+static const struct lacp_pdu *
parse_lacp_packet(const struct ofpbuf *b)
{
const struct lacp_pdu *pdu;
void
lacp_init(void)
{
- unixctl_command_register("lacp/show", lacp_unixctl_show, NULL);
+ unixctl_command_register("lacp/show", "[port]", lacp_unixctl_show, NULL);
}
/* Creates a LACP object. */
void
lacp_configure(struct lacp *lacp, const struct lacp_settings *s)
{
+ assert(!eth_addr_is_zero(s->id));
+
if (!lacp->name || strcmp(s->name, lacp->name)) {
free(lacp->name);
lacp->name = xstrdup(s->name);
return lacp->active;
}
-/* Processes 'pdu', a parsed LACP packet received on 'slave_'. This function
- * should be called on all packets received on 'slave_' with Ethernet Type
- * ETH_TYPE_LACP and parsable by parse_lacp_packet(). */
+/* Processes 'packet' which was received on 'slave_'. This function should be
+ * called on all packets received on 'slave_' with Ethernet Type ETH_TYPE_LACP.
+ */
void
-lacp_process_pdu(struct lacp *lacp, const void *slave_,
- const struct lacp_pdu *pdu)
+lacp_process_packet(struct lacp *lacp, const void *slave_,
+ const struct ofpbuf *packet)
{
+ static struct vlog_rate_limit rl = VLOG_RATE_LIMIT_INIT(1, 5);
struct slave *slave = slave_lookup(lacp, slave_);
+ const struct lacp_pdu *pdu;
long long int tx_rate;
+ pdu = parse_lacp_packet(packet);
+ if (!pdu) {
+ VLOG_WARN_RL(&rl, "%s: received an unparsable LACP PDU.", lacp->name);
+ return;
+ }
+
switch (lacp->lacp_time) {
case LACP_TIME_FAST:
tx_rate = LACP_FAST_TIME_TX;
}
HMAP_FOR_EACH (slave, node, &lacp->slaves) {
- struct lacp_pdu pdu;
struct lacp_info actor;
if (!slave_may_tx(slave)) {
if (timer_expired(&slave->tx)
|| !info_tx_equal(&actor, &slave->ntt_actor)) {
long long int duration;
+ struct lacp_pdu pdu;
slave->ntt_actor = actor;
compose_lacp_pdu(&actor, &slave->partner, &pdu);
- send_pdu(slave->aux, &pdu);
+ send_pdu(slave->aux, &pdu, sizeof pdu);
if (lacp->lacp_time == LACP_TIME_CUSTOM) {
duration = lacp->custom_time;
ds_put_lacp_state(struct ds *ds, uint8_t state)
{
if (state & LACP_STATE_ACT) {
- ds_put_cstr(ds, "activity ");
+ ds_put_cstr(ds, " activity");
}
if (state & LACP_STATE_TIME) {
- ds_put_cstr(ds, "timeout ");
+ ds_put_cstr(ds, " timeout");
}
if (state & LACP_STATE_AGG) {
- ds_put_cstr(ds, "aggregation ");
+ ds_put_cstr(ds, " aggregation");
}
if (state & LACP_STATE_SYNC) {
- ds_put_cstr(ds, "synchronized ");
+ ds_put_cstr(ds, " synchronized");
}
if (state & LACP_STATE_COL) {
- ds_put_cstr(ds, "collecting ");
+ ds_put_cstr(ds, " collecting");
}
if (state & LACP_STATE_DIST) {
- ds_put_cstr(ds, "distributing ");
+ ds_put_cstr(ds, " distributing");
}
if (state & LACP_STATE_DEF) {
- ds_put_cstr(ds, "defaulted ");
+ ds_put_cstr(ds, " defaulted");
}
if (state & LACP_STATE_EXP) {
- ds_put_cstr(ds, "expired ");
+ ds_put_cstr(ds, " expired");
}
}
static void
-lacp_unixctl_show(struct unixctl_conn *conn,
- const char *args, void *aux OVS_UNUSED)
+lacp_print_details(struct ds *ds, struct lacp *lacp)
{
- struct ds ds = DS_EMPTY_INITIALIZER;
- struct lacp *lacp;
- struct slave *slave;
-
- lacp = lacp_find(args);
- if (!lacp) {
- unixctl_command_reply(conn, 501, "no such lacp object");
- return;
- }
+ struct shash slave_shash = SHASH_INITIALIZER(&slave_shash);
+ const struct shash_node **sorted_slaves = NULL;
- ds_put_format(&ds, "lacp: %s\n", lacp->name);
+ struct slave *slave;
+ int i;
- ds_put_format(&ds, "\tstatus: %s", lacp->active ? "active" : "passive");
+ ds_put_format(ds, "---- %s ----\n", lacp->name);
+ ds_put_format(ds, "\tstatus: %s", lacp->active ? "active" : "passive");
if (lacp->heartbeat) {
- ds_put_cstr(&ds, " heartbeat");
+ ds_put_cstr(ds, " heartbeat");
}
if (lacp->negotiated) {
- ds_put_cstr(&ds, " negotiated");
+ ds_put_cstr(ds, " negotiated");
}
- ds_put_cstr(&ds, "\n");
+ ds_put_cstr(ds, "\n");
- ds_put_format(&ds, "\tsys_id: " ETH_ADDR_FMT "\n", ETH_ADDR_ARGS(lacp->sys_id));
- ds_put_format(&ds, "\tsys_priority: %u\n", lacp->sys_priority);
- ds_put_cstr(&ds, "\taggregation key: ");
+ ds_put_format(ds, "\tsys_id: " ETH_ADDR_FMT "\n", ETH_ADDR_ARGS(lacp->sys_id));
+ ds_put_format(ds, "\tsys_priority: %u\n", lacp->sys_priority);
+ ds_put_cstr(ds, "\taggregation key: ");
if (lacp->key_slave) {
- ds_put_format(&ds, "%u", lacp->key_slave->port_id);
+ ds_put_format(ds, "%u", lacp->key_slave->port_id);
} else {
- ds_put_cstr(&ds, "none");
+ ds_put_cstr(ds, "none");
}
- ds_put_cstr(&ds, "\n");
+ ds_put_cstr(ds, "\n");
- ds_put_cstr(&ds, "\tlacp_time: ");
+ ds_put_cstr(ds, "\tlacp_time: ");
switch (lacp->lacp_time) {
case LACP_TIME_FAST:
- ds_put_cstr(&ds, "fast\n");
+ ds_put_cstr(ds, "fast\n");
break;
case LACP_TIME_SLOW:
- ds_put_cstr(&ds, "slow\n");
+ ds_put_cstr(ds, "slow\n");
break;
case LACP_TIME_CUSTOM:
- ds_put_format(&ds, "custom (%lld)\n", lacp->custom_time);
+ ds_put_format(ds, "custom (%lld)\n", lacp->custom_time);
break;
default:
- ds_put_cstr(&ds, "unknown\n");
+ ds_put_cstr(ds, "unknown\n");
}
HMAP_FOR_EACH (slave, node, &lacp->slaves) {
+ shash_add(&slave_shash, slave->name, slave);
+ }
+ sorted_slaves = shash_sort(&slave_shash);
+
+ for (i = 0; i < shash_count(&slave_shash); i++) {
char *status;
struct lacp_info actor;
+ slave = sorted_slaves[i]->data;
slave_get_actor(slave, &actor);
switch (slave->status) {
case LACP_CURRENT:
NOT_REACHED();
}
- ds_put_format(&ds, "\nslave: %s: %s %s\n", slave->name, status,
+ ds_put_format(ds, "\nslave: %s: %s %s\n", slave->name, status,
slave->attached ? "attached" : "detached");
- ds_put_format(&ds, "\tport_id: %u\n", slave->port_id);
- ds_put_format(&ds, "\tport_priority: %u\n", slave->port_priority);
+ ds_put_format(ds, "\tport_id: %u\n", slave->port_id);
+ ds_put_format(ds, "\tport_priority: %u\n", slave->port_priority);
- ds_put_format(&ds, "\n\tactor sys_id: " ETH_ADDR_FMT "\n",
+ ds_put_format(ds, "\n\tactor sys_id: " ETH_ADDR_FMT "\n",
ETH_ADDR_ARGS(actor.sys_id));
- ds_put_format(&ds, "\tactor sys_priority: %u\n",
+ ds_put_format(ds, "\tactor sys_priority: %u\n",
ntohs(actor.sys_priority));
- ds_put_format(&ds, "\tactor port_id: %u\n",
+ ds_put_format(ds, "\tactor port_id: %u\n",
ntohs(actor.port_id));
- ds_put_format(&ds, "\tactor port_priority: %u\n",
+ ds_put_format(ds, "\tactor port_priority: %u\n",
ntohs(actor.port_priority));
- ds_put_format(&ds, "\tactor key: %u\n",
+ ds_put_format(ds, "\tactor key: %u\n",
ntohs(actor.key));
- ds_put_cstr(&ds, "\tactor state: ");
- ds_put_lacp_state(&ds, actor.state);
- ds_put_cstr(&ds, "\n\n");
+ ds_put_cstr(ds, "\tactor state:");
+ ds_put_lacp_state(ds, actor.state);
+ ds_put_cstr(ds, "\n\n");
- ds_put_format(&ds, "\tpartner sys_id: " ETH_ADDR_FMT "\n",
+ ds_put_format(ds, "\tpartner sys_id: " ETH_ADDR_FMT "\n",
ETH_ADDR_ARGS(slave->partner.sys_id));
- ds_put_format(&ds, "\tpartner sys_priority: %u\n",
+ ds_put_format(ds, "\tpartner sys_priority: %u\n",
ntohs(slave->partner.sys_priority));
- ds_put_format(&ds, "\tpartner port_id: %u\n",
+ ds_put_format(ds, "\tpartner port_id: %u\n",
ntohs(slave->partner.port_id));
- ds_put_format(&ds, "\tpartner port_priority: %u\n",
+ ds_put_format(ds, "\tpartner port_priority: %u\n",
ntohs(slave->partner.port_priority));
- ds_put_format(&ds, "\tpartner key: %u\n",
+ ds_put_format(ds, "\tpartner key: %u\n",
ntohs(slave->partner.key));
- ds_put_cstr(&ds, "\tpartner state: ");
- ds_put_lacp_state(&ds, slave->partner.state);
- ds_put_cstr(&ds, "\n");
+ ds_put_cstr(ds, "\tpartner state:");
+ ds_put_lacp_state(ds, slave->partner.state);
+ ds_put_cstr(ds, "\n");
+ }
+
+ shash_destroy(&slave_shash);
+ free(sorted_slaves);
+}
+
+static void
+lacp_unixctl_show(struct unixctl_conn *conn,
+ const char *args, void *aux OVS_UNUSED)
+{
+ struct ds ds = DS_EMPTY_INITIALIZER;
+ struct lacp *lacp;
+
+ if (strlen(args)) {
+ lacp = lacp_find(args);
+ if (!lacp) {
+ unixctl_command_reply(conn, 501, "no such lacp object");
+ return;
+ }
+ lacp_print_details(&ds, lacp);
+ } else {
+ LIST_FOR_EACH (lacp, node, &all_lacps) {
+ lacp_print_details(&ds, lacp);
+ }
}
unixctl_command_reply(conn, 200, ds_cstr(&ds));
git://git.onelab.eu / sliver-openvswitch.git / blobdiff