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learning-switch: Introduce struct for configuration.

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This should make extensions easier.
This commit is contained in:
Ben Pfaff
2010-09-23 14:12:09 -07:00
parent 09913dfd25
commit ad67e56888
3 changed files with 46 additions and 38 deletions
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32
lib/learning-switch.h
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@@ -24,10 +24,34 @@
struct ofpbuf;
struct rconn;
struct lswitch *lswitch_create(struct rconn *, bool learn_macs,
bool exact_flows, int max_idle,
bool action_normal,
const struct ofpbuf *default_flows);
enum lswitch_mode {
LSW_NORMAL, /* Always use OFPP_NORMAL. */
LSW_FLOOD, /* Always use OFPP_FLOOD. */
LSW_LEARN /* Learn MACs at controller. */
};
struct lswitch_config {
enum lswitch_mode mode;
/* Set up only exact-match flows? */
bool exact_flows;
/* <0: Process every packet at the controller.
* >=0: Expire flows after they are unused for 'max_idle' seconds.
* OFP_FLOW_PERMANENT: Set up permanent flows. */
int max_idle;
/* Optionally, a chain of one or more OpenFlow messages to send to the
* switch at time of connection. Presumably these will be OFPT_FLOW_MOD
* requests to set up the flow table. */
const struct ofpbuf *default_flows;
/* The OpenFlow queue used by packets and flows set up by 'sw'. Use
* UINT32_MAX to avoid specifying a particular queue. */
uint32_t queue_id;
};
struct lswitch *lswitch_create(struct rconn *, const struct lswitch_config *);
void lswitch_set_queue(struct lswitch *sw, uint32_t queue);
void lswitch_run(struct lswitch *);
void lswitch_wait(struct lswitch *);