ofp-util: Add version bitmap support to hello messages.

[openvswitch] / lib / ofp-util.h

diff --git a/lib/ofp-util.h b/lib/ofp-util.h
index 8ef22068960217b93e6f7c49d5ca540f95c1257a..4bd5a0014e98d3ccc2b14395cc1ae2a3ddd84d60 100644 (file)
--- a/lib/ofp-util.h
+++ b/lib/ofp-util.h
@@ -36,7 +36,7 @@ enum ofperr ofputil_port_from_ofp11(ovs_be32 ofp11_port, uint16_t *ofp10_port);
 ovs_be32 ofputil_port_to_ofp11(uint16_t ofp10_port);
 
 enum ofperr ofputil_check_output_port(uint16_t ofp_port, int max_ports);
-uint16_t ofputil_port_from_string(const char *);
+bool ofputil_port_from_string(const char *, uint16_t *portp);
 void ofputil_format_port(uint16_t port, struct ds *);
 
 /* Converting OFPFW10_NW_SRC_MASK and OFPFW10_NW_DST_MASK wildcard bit counts
@@ -98,6 +98,36 @@ char *ofputil_protocols_to_string(enum ofputil_protocol);
 enum ofputil_protocol ofputil_protocols_from_string(const char *);
 enum ofputil_protocol ofputil_usable_protocols(const struct match *);
 
+void ofputil_format_version(struct ds *, enum ofp_version);
+void ofputil_format_version_name(struct ds *, enum ofp_version);
+
+/* A bitmap of version numbers
+ *
+ * Bit offsets correspond to ofp_version numbers which in turn correspond to
+ * wire-protocol numbers for Open Flow versions..  E.g. (1u << OFP11_VERSION)
+ * is the mask for Open Flow 1.1.  If the bit for a version is set then it is
+ * allowed, otherwise it is disallowed. */
+
+void ofputil_format_version_bitmap(struct ds *msg, uint32_t bitmap);
+void ofputil_format_version_bitmap_names(struct ds *msg, uint32_t bitmap);
+
+/* Bitmap of OpenFlow versions that Open vSwitch supports. */
+#define OFPUTIL_SUPPORTED_VERSIONS \
+        ((1u << OFP10_VERSION) | (1u << OFP12_VERSION))
+
+/* Bitmap of OpenFlow versions to enable by default (a subset of
+ * OFPUTIL_SUPPORTED_VERSIONS). */
+#define OFPUTIL_DEFAULT_VERSIONS (1u << OFP10_VERSION)
+
+enum ofputil_protocol ofputil_protocols_from_string(const char *s);
+
+const char *ofputil_version_to_string(enum ofp_version ofp_version);
+uint32_t ofputil_versions_from_string(const char *s);
+
+bool ofputil_decode_hello(const struct ofp_header *,
+                          uint32_t *allowed_versions);
+struct ofpbuf *ofputil_encode_hello(uint32_t version_bitmap);
+
 struct ofpbuf *ofputil_encode_set_protocol(enum ofputil_protocol current,
                                            enum ofputil_protocol want,
                                            enum ofputil_protocol *next);
@@ -131,7 +161,8 @@ ovs_be16 ofputil_dl_type_from_openflow(ovs_be16 ofp_dl_type);
 bool ofputil_packet_in_format_is_valid(enum nx_packet_in_format);
 int ofputil_packet_in_format_from_string(const char *);
 const char *ofputil_packet_in_format_to_string(enum nx_packet_in_format);
-struct ofpbuf *ofputil_make_set_packet_in_format(enum nx_packet_in_format);
+struct ofpbuf *ofputil_make_set_packet_in_format(enum ofp_version,
+                                                 enum nx_packet_in_format);
 
 /* NXT_FLOW_MOD_TABLE_ID extension. */
 struct ofpbuf *ofputil_make_flow_mod_table_id(bool flow_mod_table_id);
@@ -539,6 +570,7 @@ bool ofputil_frag_handling_from_string(const char *, enum ofp_config_flags *);
  * OFPUTIL_OFPAT10_ENQUEUE
  * OFPUTIL_NXAST_RESUBMIT
  * OFPUTIL_NXAST_SET_TUNNEL
+ * OFPUTIL_NXAST_SET_METADATA
  * OFPUTIL_NXAST_SET_QUEUE
  * OFPUTIL_NXAST_POP_QUEUE
  * OFPUTIL_NXAST_REG_MOVE
@@ -619,4 +651,43 @@ union ofp_action *ofputil_actions_clone(const union ofp_action *, size_t n);
 /* Handy utility for parsing flows and actions. */
 bool ofputil_parse_key_value(char **stringp, char **keyp, char **valuep);
 
+struct ofpbuf *ofputlil_dump_ports(enum ofp_version ofp_version, int16_t port);
+
+struct ofputil_port_stats {
+    uint16_t port_no;
+    struct netdev_stats stats;
+};
+
+struct ofpbuf *ofputil_encode_dump_ports_request(enum ofp_version ofp_version,
+                                                 int16_t port);
+void ofputil_append_port_stat(struct list *replies,
+                              const struct ofputil_port_stats *ops);
+size_t ofputil_count_port_stats(const struct ofp_header *);
+int ofputil_decode_port_stats(struct ofputil_port_stats *, struct ofpbuf *msg);
+enum ofperr ofputil_decode_port_stats_request(const struct ofp_header *request,
+                                              uint16_t *ofp10_port);
+
+struct ofputil_queue_stats_request {
+    uint16_t port_no;
+    uint32_t queue_id;
+};
+
+enum ofperr
+ofputil_decode_queue_stats_request(const struct ofp_header *request,
+                                   struct ofputil_queue_stats_request *oqsr);
+struct ofpbuf *
+ofputil_encode_queue_stats_request(enum ofp_version ofp_version,
+                                   const struct ofputil_queue_stats_request *oqsr);
+
+struct ofputil_queue_stats {
+    uint16_t port_no;
+    uint32_t queue_id;
+    struct netdev_queue_stats stats;
+};
+
+size_t ofputil_count_queue_stats(const struct ofp_header *);
+int ofputil_decode_queue_stats(struct ofputil_queue_stats *qs, struct ofpbuf *msg);
+void ofputil_append_queue_stat(struct list *replies,
+                               const struct ofputil_queue_stats *oqs);
+
 #endif /* ofp-util.h */