/*
- * Copyright (c) 2008, 2009, 2010, 2011, 2012 Nicira, Inc.
+ * Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013 Nicira, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include "openflow/openflow-common.h"
-/* Port numbering. Physical ports are numbered starting from 1. */
-enum ofp_port {
- /* Maximum number of physical switch ports. */
- OFPP_MAX = 0xff00,
-
- /* Fake output "ports". */
- OFPP_IN_PORT = 0xfff8, /* Send the packet out the input port. This
- virtual port must be explicitly used
- in order to send back out of the input
- port. */
- OFPP_TABLE = 0xfff9, /* Perform actions in flow table.
- NB: This can only be the destination
- port for packet-out messages. */
- OFPP_NORMAL = 0xfffa, /* Process with normal L2/L3 switching. */
- OFPP_FLOOD = 0xfffb, /* All physical ports except input port and
- those disabled by STP. */
- OFPP_ALL = 0xfffc, /* All physical ports except input port. */
- OFPP_CONTROLLER = 0xfffd, /* Send to controller. */
- OFPP_LOCAL = 0xfffe, /* Local openflow "port". */
- OFPP_NONE = 0xffff /* Not associated with a physical port. */
-};
-
-#define OFP_DEFAULT_MISS_SEND_LEN 128
-
-enum ofp_config_flags {
- /* Handling of IP fragments. */
- OFPC_FRAG_NORMAL = 0, /* No special handling for fragments. */
- OFPC_FRAG_DROP = 1, /* Drop fragments. */
- OFPC_FRAG_REASM = 2, /* Reassemble (only if OFPC_IP_REASM set). */
- OFPC_FRAG_NX_MATCH = 3, /* Make first fragments available for matching. */
- OFPC_FRAG_MASK = 3,
-
- /* TTL processing - applicable for IP and MPLS packets. */
- OFPC_INVALID_TTL_TO_CONTROLLER = 1 << 2, /* Send packets with invalid TTL
- to the controller. */
-};
+/* Port number(s) meaning
+ * --------------- --------------------------------------
+ * 0x0000 not assigned a meaning by OpenFlow 1.0
+ * 0x0001...0xfeff "physical" ports
+ * 0xff00...0xfff7 "reserved" but not assigned a meaning by OpenFlow 1.0
+ * 0xfff8...0xffff "reserved" OFPP_* ports with assigned meanings
+ */
-/* Switch configuration. */
-struct ofp_switch_config {
- ovs_be16 flags; /* OFPC_* flags. */
- ovs_be16 miss_send_len; /* Max bytes of new flow that datapath should
- send to the controller. */
-};
-OFP_ASSERT(sizeof(struct ofp_switch_config) == 4);
+/* Ranges. */
+#define OFPP_MAX OFP_PORT_C(0xff00) /* Max # of switch ports. */
+#define OFPP_FIRST_RESV OFP_PORT_C(0xfff8) /* First assigned reserved port. */
+#define OFPP_LAST_RESV OFP_PORT_C(0xffff) /* Last assigned reserved port. */
+
+/* Reserved output "ports". */
+#define OFPP_IN_PORT OFP_PORT_C(0xfff8) /* Where the packet came in. */
+#define OFPP_TABLE OFP_PORT_C(0xfff9) /* Perform actions in flow table. */
+#define OFPP_NORMAL OFP_PORT_C(0xfffa) /* Process with normal L2/L3. */
+#define OFPP_FLOOD OFP_PORT_C(0xfffb) /* All ports except input port and
+ * ports disabled by STP. */
+#define OFPP_ALL OFP_PORT_C(0xfffc) /* All ports except input port. */
+#define OFPP_CONTROLLER OFP_PORT_C(0xfffd) /* Send to controller. */
+#define OFPP_LOCAL OFP_PORT_C(0xfffe) /* Local openflow "port". */
+#define OFPP_NONE OFP_PORT_C(0xffff) /* Not associated with any port. */
/* OpenFlow 1.0 specific capabilities supported by the datapath (struct
* ofp_switch_features, member capabilities). */
};
OFP_ASSERT(sizeof(struct ofp10_port_mod) == 24);
+struct ofp10_packet_queue {
+ ovs_be32 queue_id; /* id for the specific queue. */
+ ovs_be16 len; /* Length in bytes of this queue desc. */
+ uint8_t pad[2]; /* 64-bit alignment. */
+ /* Followed by any number of queue properties expressed using
+ * ofp_queue_prop_header, to fill out a total of 'len' bytes. */
+};
+OFP_ASSERT(sizeof(struct ofp10_packet_queue) == 8);
+
/* Query for port queue configuration. */
struct ofp10_queue_get_config_request {
ovs_be16 port; /* Port to be queried. Should refer
OFP_ASSERT(sizeof(struct ofp10_queue_get_config_reply) == 8);
/* Packet received on port (datapath -> controller). */
-struct ofp_packet_in {
+struct ofp10_packet_in {
ovs_be32 buffer_id; /* ID assigned by datapath. */
ovs_be16 total_len; /* Full length of frame. */
ovs_be16 in_port; /* Port on which frame was received. */
offsetof(struct ofp_packet_in, data) ==
sizeof(struct ofp_packet_in) - 2. */
};
-OFP_ASSERT(sizeof(struct ofp_packet_in) == 12);
+OFP_ASSERT(sizeof(struct ofp10_packet_in) == 12);
enum ofp10_action_type {
OFPAT10_OUTPUT, /* Output to switch port. */
};
OFP_ASSERT(sizeof(struct ofp10_action_output) == 8);
-/* Action header for OFPAT10_VENDOR. The rest of the body is vendor-defined. */
-struct ofp_action_vendor_header {
- ovs_be16 type; /* OFPAT10_VENDOR. */
- ovs_be16 len; /* Length is a multiple of 8. */
- ovs_be32 vendor; /* Vendor ID, which takes the same form
- as in "struct ofp_vendor_header". */
-};
-OFP_ASSERT(sizeof(struct ofp_action_vendor_header) == 8);
-
-/* Action header that is common to all actions. The length includes the
- * header and any padding used to make the action 64-bit aligned.
- * NB: The length of an action *must* always be a multiple of eight. */
-struct ofp_action_header {
- ovs_be16 type; /* One of OFPAT10_*. */
- ovs_be16 len; /* Length of action, including this
- header. This is the length of action,
- including any padding to make it
- 64-bit aligned. */
- uint8_t pad[4];
-};
-OFP_ASSERT(sizeof(struct ofp_action_header) == 8);
-
/* OFPAT10_ENQUEUE action struct: send packets to given queue on port. */
-struct ofp_action_enqueue {
+struct ofp10_action_enqueue {
ovs_be16 type; /* OFPAT10_ENQUEUE. */
ovs_be16 len; /* Len is 16. */
ovs_be16 port; /* Port that queue belongs. Should
uint8_t pad[6]; /* Pad for 64-bit alignment. */
ovs_be32 queue_id; /* Where to enqueue the packets. */
};
-OFP_ASSERT(sizeof(struct ofp_action_enqueue) == 16);
-
-union ofp_action {
- ovs_be16 type;
- struct ofp_action_header header;
- struct ofp_action_vendor_header vendor;
- struct ofp10_action_output output10;
- struct ofp_action_vlan_vid vlan_vid;
- struct ofp_action_vlan_pcp vlan_pcp;
- struct ofp_action_nw_addr nw_addr;
- struct ofp_action_nw_tos nw_tos;
- struct ofp_action_tp_port tp_port;
-};
-OFP_ASSERT(sizeof(union ofp_action) == 8);
+OFP_ASSERT(sizeof(struct ofp10_action_enqueue) == 16);
/* Send packet (controller -> datapath). */
-struct ofp_packet_out {
+struct ofp10_packet_out {
ovs_be32 buffer_id; /* ID assigned by datapath or UINT32_MAX. */
ovs_be16 in_port; /* Packet's input port (OFPP_NONE if none). */
ovs_be16 actions_len; /* Size of action array in bytes. */
* of the message length.
*/
};
-OFP_ASSERT(sizeof(struct ofp_packet_out) == 8);
+OFP_ASSERT(sizeof(struct ofp10_packet_out) == 8);
/* Flow wildcards. */
-enum ofp_flow_wildcards {
+enum ofp10_flow_wildcards {
OFPFW10_IN_PORT = 1 << 0, /* Switch input port. */
OFPFW10_DL_VLAN = 1 << 1, /* VLAN vid. */
OFPFW10_DL_SRC = 1 << 2, /* Ethernet source address. */
#define OFPFW10_ICMP_TYPE OFPFW10_TP_SRC
#define OFPFW10_ICMP_CODE OFPFW10_TP_DST
-/* Values below this cutoff are 802.3 packets and the two bytes
- * following MAC addresses are used as a frame length. Otherwise, the
- * two bytes are used as the Ethernet type.
- */
-#define OFP_DL_TYPE_ETH2_CUTOFF 0x0600
-
-/* Value of dl_type to indicate that the frame does not include an
- * Ethernet type.
- */
-#define OFP_DL_TYPE_NOT_ETH_TYPE 0x05ff
-
/* The VLAN id is 12-bits, so we can use the entire 16 bits to indicate
- * special conditions. All ones indicates that no VLAN id was set.
+ * special conditions. All ones indicates that 802.1Q header is not present.
*/
#define OFP10_VLAN_NONE 0xffff
};
OFP_ASSERT(sizeof(struct ofp10_match) == 40);
-/* Value used in "idle_timeout" and "hard_timeout" to indicate that the entry
- * is permanent. */
-#define OFP_FLOW_PERMANENT 0
-
-/* By default, choose a priority in the middle. */
-#define OFP_DEFAULT_PRIORITY 0x8000
-
enum ofp10_flow_mod_flags {
- OFPFF10_EMERG = 1 << 2 /* Ramark this is for emergency. */
+ OFPFF10_EMERG = 1 << 2 /* Part of "emergency flow cache". */
};
/* Flow setup and teardown (controller -> datapath). */
OFP_ASSERT(sizeof(struct ofp10_flow_mod) == 64);
/* Flow removed (datapath -> controller). */
-struct ofp_flow_removed {
+struct ofp10_flow_removed {
struct ofp10_match match; /* Description of fields. */
ovs_be64 cookie; /* Opaque controller-issued identifier. */
ovs_be64 packet_count;
ovs_be64 byte_count;
};
-OFP_ASSERT(sizeof(struct ofp_flow_removed) == 80);
-
-/* OFPT_ERROR: Error message (datapath -> controller). */
-struct ofp_error_msg {
- ovs_be16 type;
- ovs_be16 code;
- uint8_t data[0]; /* Variable-length data. Interpreted based
- on the type and code. */
-};
-OFP_ASSERT(sizeof(struct ofp_error_msg) == 4);
+OFP_ASSERT(sizeof(struct ofp10_flow_removed) == 80);
/* Statistics request or reply message. */
struct ofp10_stats_msg {
};
OFP_ASSERT(sizeof(struct ofp10_stats_msg) == 12);
-enum ofp_stats_reply_flags {
- OFPSF_REPLY_MORE = 1 << 0 /* More replies to follow. */
-};
-
/* Stats request of type OFPST_AGGREGATE or OFPST_FLOW. */
struct ofp10_flow_stats_request {
struct ofp10_match match; /* Fields to match. */
};
OFP_ASSERT(sizeof(struct ofp10_vendor_stats_msg) == 16);
-/* Vendor extension. */
-struct ofp_vendor_header {
- struct ofp_header header; /* Type OFPT_VENDOR. */
- ovs_be32 vendor; /* Vendor ID:
- * - MSB 0: low-order bytes are IEEE OUI.
- * - MSB != 0: defined by OpenFlow
- * consortium. */
- /* Vendor-defined arbitrary additional data. */
-};
-OFP_ASSERT(sizeof(struct ofp_vendor_header) == 12);
-
#endif /* openflow/openflow-1.0.h */
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