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Implement QoS framework.

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ovs-vswitchd doesn't declare its QoS capabilities in the database yet,
so the controller has to know what they are.  We can add that later.

The linux-htb QoS class has been tested to the extent that I can see that
it sets up the queues I expect when I run "tc qdisc show" and "tc class
show".  I haven't tested that the effects on flows are what we expect them
to be.  I am sure that there will be problems in that area that we will
have to fix.
This commit is contained in:
Ben Pfaff
2010-06-17 15:04:12 -07:00
parent a90b56b770
commit c1c9c9c4b6
18 changed files with 2730 additions and 99 deletions
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39
include/openflow/openflow.h
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@@ -419,6 +419,18 @@ struct ofp_action_header {
};
OFP_ASSERT(sizeof(struct ofp_action_header) == 8);
/* OFPAT_ENQUEUE action struct: send packets to given queue on port. */
struct ofp_action_enqueue {
uint16_t type; /* OFPAT_ENQUEUE. */
uint16_t len; /* Len is 16. */
uint16_t port; /* Port that queue belongs. Should
refer to a valid physical port
(i.e. < OFPP_MAX) or OFPP_IN_PORT. */
uint8_t pad[6]; /* Pad for 64-bit alignment. */
uint32_t queue_id; /* Where to enqueue the packets. */
};
OFP_ASSERT(sizeof(struct ofp_action_enqueue) == 16);
union ofp_action {
uint16_t type;
struct ofp_action_header header;
@@ -713,8 +725,8 @@ enum ofp_stats_types {
OFPST_PORT,
/* Queue statistics for a port
* The request body defines the port
* The reply body is an array of struct ofp_queue_stats */
* The request body is struct ofp_queue_stats_request.
* The reply body is an array of struct ofp_queue_stats. */
OFPST_QUEUE,
/* Vendor extension.
@@ -859,6 +871,29 @@ struct ofp_port_stats {
};
OFP_ASSERT(sizeof(struct ofp_port_stats) == 104);
/* All ones is used to indicate all queues in a port (for stats retrieval). */
#define OFPQ_ALL 0xffffffff
/* Body for ofp_stats_request of type OFPST_QUEUE. */
struct ofp_queue_stats_request {
uint16_t port_no; /* All ports if OFPP_ALL. */
uint8_t pad[2]; /* Align to 32-bits. */
uint32_t queue_id; /* All queues if OFPQ_ALL. */
};
OFP_ASSERT(sizeof(struct ofp_queue_stats_request) == 8);
/* Body for ofp_stats_reply of type OFPST_QUEUE consists of an array of this
* structure type. */
struct ofp_queue_stats {
uint16_t port_no;
uint8_t pad[2]; /* Align to 32-bits. */
uint32_t queue_id; /* Queue id. */
uint64_t tx_bytes; /* Number of transmitted bytes. */
uint64_t tx_packets; /* Number of transmitted packets. */
uint64_t tx_errors; /* Number of packets dropped due to overrun. */
};
OFP_ASSERT(sizeof(struct ofp_queue_stats) == 32);
/* Vendor extension. */
struct ofp_vendor_header {
struct ofp_header header; /* Type OFPT_VENDOR. */