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lacp: Allow configurable aggregation keys.

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Users will the ability to manually set aggregation keys on a
per-slave basis in order to use some of the more advanced LACP
features.  Most notably, LACP controlled active-backup bonding
requires fine grained aggregation key configuration.
This commit is contained in:
Ethan Jackson
2011-04-26 15:39:58 -07:00
parent da2f7b8ff5
commit e1ce3f2dcc
4 changed files with 26 additions and 3 deletions
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14
lib/lacp.c
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@@ -63,6 +63,7 @@ struct slave {
struct lacp *lacp; /* LACP object containing this slave. */
uint16_t port_id; /* Port ID. */
uint16_t port_priority; /* Port Priority. */
uint16_t key; /* Aggregation Key. 0 if default. */
char *name; /* Name of this slave. */
enum slave_status status; /* Slave status. */
@@ -274,9 +275,12 @@ lacp_slave_register(struct lacp *lacp, void *slave_,
slave->name = xstrdup(s->name);
}
if (slave->port_id != s->id || slave->port_priority != s->priority) {
if (slave->port_id != s->id
|| slave->port_priority != s->priority
|| slave->key != s->key) {
slave->port_id = s->id;
slave->port_priority = s->priority;
slave->key = s->key;
lacp->update = true;
@@ -528,6 +532,7 @@ static void
slave_get_actor(struct slave *slave, struct lacp_info *actor)
{
struct lacp *lacp = slave->lacp;
uint16_t key;
uint8_t state = 0;
if (lacp->active) {
@@ -558,8 +563,13 @@ slave_get_actor(struct slave *slave, struct lacp_info *actor)
state |= LACP_STATE_COL | LACP_STATE_DIST;
}
key = lacp->key_slave->key;
if (!key) {
key = lacp->key_slave->port_id;
}
actor->state = state;
actor->key = htons(lacp->key_slave->port_id);
actor->key = htons(key);
actor->port_priority = htons(slave->port_priority);
actor->port_id = htons(slave->port_id);
actor->sys_priority = htons(lacp->sys_priority);