X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Fofp-util.h;h=2f73ec2bf6f91a3479fe97858aaaec59a1cd6b8e;hb=64626975103668a5662622819536780ba87bef79;hp=f7d3307f6cecfc6fb696d1be31fb073446c1acea;hpb=2b07c8b182b76e4e3a162796d3ae273ef51d4131;p=sliver-openvswitch.git diff --git a/lib/ofp-util.h b/lib/ofp-util.h index f7d3307f6..2f73ec2bf 100644 --- a/lib/ofp-util.h +++ b/lib/ofp-util.h @@ -24,98 +24,19 @@ #include "classifier.h" #include "compiler.h" #include "flow.h" +#include "match.h" #include "netdev.h" #include "openflow/nicira-ext.h" #include "openvswitch/types.h" -struct cls_rule; struct ofpbuf; -/* Basic decoding and length validation of OpenFlow messages. */ -enum ofputil_msg_code { - OFPUTIL_MSG_INVALID, - - /* OFPT_* messages. */ - OFPUTIL_OFPT_HELLO, - OFPUTIL_OFPT_ERROR, - OFPUTIL_OFPT_ECHO_REQUEST, - OFPUTIL_OFPT_ECHO_REPLY, - OFPUTIL_OFPT_FEATURES_REQUEST, - OFPUTIL_OFPT_FEATURES_REPLY, - OFPUTIL_OFPT_GET_CONFIG_REQUEST, - OFPUTIL_OFPT_GET_CONFIG_REPLY, - OFPUTIL_OFPT_SET_CONFIG, - OFPUTIL_OFPT_PACKET_IN, - OFPUTIL_OFPT_FLOW_REMOVED, - OFPUTIL_OFPT_PORT_STATUS, - OFPUTIL_OFPT_PACKET_OUT, - OFPUTIL_OFPT_FLOW_MOD, - OFPUTIL_OFPT_PORT_MOD, - OFPUTIL_OFPT_BARRIER_REQUEST, - OFPUTIL_OFPT_BARRIER_REPLY, - OFPUTIL_OFPT_QUEUE_GET_CONFIG_REQUEST, - OFPUTIL_OFPT_QUEUE_GET_CONFIG_REPLY, - - /* OFPST_* stat requests. */ - OFPUTIL_OFPST_DESC_REQUEST, - OFPUTIL_OFPST_FLOW_REQUEST, - OFPUTIL_OFPST_AGGREGATE_REQUEST, - OFPUTIL_OFPST_TABLE_REQUEST, - OFPUTIL_OFPST_PORT_REQUEST, - OFPUTIL_OFPST_QUEUE_REQUEST, - OFPUTIL_OFPST_PORT_DESC_REQUEST, - - /* OFPST_* stat replies. */ - OFPUTIL_OFPST_DESC_REPLY, - OFPUTIL_OFPST_FLOW_REPLY, - OFPUTIL_OFPST_QUEUE_REPLY, - OFPUTIL_OFPST_PORT_REPLY, - OFPUTIL_OFPST_TABLE_REPLY, - OFPUTIL_OFPST_AGGREGATE_REPLY, - OFPUTIL_OFPST_PORT_DESC_REPLY, - - /* NXT_* messages. */ - OFPUTIL_NXT_ROLE_REQUEST, - OFPUTIL_NXT_ROLE_REPLY, - OFPUTIL_NXT_SET_FLOW_FORMAT, - OFPUTIL_NXT_FLOW_MOD_TABLE_ID, - OFPUTIL_NXT_FLOW_MOD, - OFPUTIL_NXT_FLOW_REMOVED, - OFPUTIL_NXT_SET_PACKET_IN_FORMAT, - OFPUTIL_NXT_PACKET_IN, - OFPUTIL_NXT_FLOW_AGE, - OFPUTIL_NXT_SET_ASYNC_CONFIG, - OFPUTIL_NXT_SET_CONTROLLER_ID, - OFPUTIL_NXT_FLOW_MONITOR_CANCEL, - OFPUTIL_NXT_FLOW_MONITOR_PAUSED, - OFPUTIL_NXT_FLOW_MONITOR_RESUMED, - - /* NXST_* stat requests. */ - OFPUTIL_NXST_FLOW_REQUEST, - OFPUTIL_NXST_AGGREGATE_REQUEST, - OFPUTIL_NXST_FLOW_MONITOR_REQUEST, - - /* NXST_* stat replies. */ - OFPUTIL_NXST_FLOW_REPLY, - OFPUTIL_NXST_AGGREGATE_REPLY, - OFPUTIL_NXST_FLOW_MONITOR_REPLY, -}; - -struct ofputil_msg_type; -enum ofperr ofputil_decode_msg_type(const struct ofp_header *, - const struct ofputil_msg_type **); -enum ofperr ofputil_decode_msg_type_partial(const struct ofp_header *, - size_t length, - const struct ofputil_msg_type **); -enum ofputil_msg_code ofputil_msg_type_code(const struct ofputil_msg_type *); -const char *ofputil_msg_type_name(const struct ofputil_msg_type *); - /* Port numbers. */ 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); -bool ofputil_port_from_string(const char *, uint16_t *port); +uint16_t ofputil_port_from_string(const char *); void ofputil_format_port(uint16_t port, struct ds *); /* Converting OFPFW10_NW_SRC_MASK and OFPFW10_NW_DST_MASK wildcard bit counts @@ -147,6 +68,9 @@ enum ofputil_protocol { OFPUTIL_P_NXM_TID = 1 << 3, /* NXM + flow_mod_table_id extension. */ #define OFPUTIL_P_NXM_ANY (OFPUTIL_P_NXM | OFPUTIL_P_NXM_TID) + /* OpenFlow 1.2 */ + OFPUTIL_P_OF12 = 1 << 4, /* OpenFlow 1.2 flow format. */ + /* All protocols. */ #define OFPUTIL_P_ANY (OFPUTIL_P_OF10_ANY | OFPUTIL_P_NXM_ANY) @@ -158,8 +82,9 @@ enum ofputil_protocol { extern enum ofputil_protocol ofputil_flow_dump_protocols[]; extern size_t ofputil_n_flow_dump_protocols; -enum ofputil_protocol ofputil_protocol_from_ofp_version(int version); -uint8_t ofputil_protocol_to_ofp_version(enum ofputil_protocol); +enum ofputil_protocol +ofputil_protocol_from_ofp_version(enum ofp_version version); +enum ofp_version ofputil_protocol_to_ofp_version(enum ofputil_protocol); bool ofputil_protocol_is_valid(enum ofputil_protocol); enum ofputil_protocol ofputil_protocol_set_tid(enum ofputil_protocol, @@ -171,7 +96,7 @@ enum ofputil_protocol ofputil_protocol_set_base( const char *ofputil_protocol_to_string(enum ofputil_protocol); 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 cls_rule *); +enum ofputil_protocol ofputil_usable_protocols(const struct match *); struct ofpbuf *ofputil_encode_set_protocol(enum ofputil_protocol current, enum ofputil_protocol want, @@ -185,19 +110,18 @@ const char *ofputil_nx_flow_format_to_string(enum nx_flow_format); /* Work with ofp10_match. */ void ofputil_wildcard_from_ofpfw10(uint32_t ofpfw, struct flow_wildcards *); -void ofputil_cls_rule_from_ofp10_match(const struct ofp10_match *, - unsigned int priority, - struct cls_rule *); -void ofputil_normalize_rule(struct cls_rule *); -void ofputil_cls_rule_to_ofp10_match(const struct cls_rule *, - struct ofp10_match *); +void ofputil_match_from_ofp10_match(const struct ofp10_match *, + struct match *); +void ofputil_normalize_match(struct match *); +void ofputil_normalize_match_quiet(struct match *); +void ofputil_match_to_ofp10_match(const struct match *, struct ofp10_match *); /* Work with ofp11_match. */ -enum ofperr ofputil_cls_rule_from_ofp11_match(const struct ofp11_match *, - unsigned int priority, - struct cls_rule *); -void ofputil_cls_rule_to_ofp11_match(const struct cls_rule *, - struct ofp11_match *); +enum ofperr ofputil_pull_ofp11_match(struct ofpbuf *, struct match *, + uint16_t *padded_match_len); +enum ofperr ofputil_match_from_ofp11_match(const struct ofp11_match *, + struct match *); +void ofputil_match_to_ofp11_match(const struct match *, struct ofp11_match *); /* dl_type translation between OpenFlow and 'struct flow' format. */ ovs_be16 ofputil_dl_type_to_openflow(ovs_be16 flow_dl_type); @@ -207,7 +131,8 @@ 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); @@ -231,7 +156,8 @@ struct ofpbuf *ofputil_make_flow_mod_table_id(bool flow_mod_table_id); * NXM Delete - */ struct ofputil_flow_mod { - struct cls_rule cr; + struct match match; + unsigned int priority; ovs_be64 cookie; /* Cookie bits to match. */ ovs_be64 cookie_mask; /* 1-bit in each 'cookie' bit to match. */ ovs_be64 new_cookie; /* New cookie to install or -1. */ @@ -259,7 +185,7 @@ enum ofputil_protocol ofputil_flow_mod_usable_protocols( /* Flow stats or aggregate stats request, independent of protocol. */ struct ofputil_flow_stats_request { bool aggregate; /* Aggregate results? */ - struct cls_rule match; + struct match match; ovs_be64 cookie; ovs_be64 cookie_mask; uint16_t out_port; @@ -275,11 +201,12 @@ enum ofputil_protocol ofputil_flow_stats_request_usable_protocols( /* Flow stats reply, independent of protocol. */ struct ofputil_flow_stats { - struct cls_rule rule; + struct match match; ovs_be64 cookie; uint8_t table_id; uint32_t duration_sec; uint32_t duration_nsec; + uint16_t priority; uint16_t idle_timeout; uint16_t hard_timeout; int idle_age; /* Seconds since last packet, -1 if unknown. */ @@ -306,16 +233,22 @@ struct ofputil_aggregate_stats { struct ofpbuf *ofputil_encode_aggregate_stats_reply( const struct ofputil_aggregate_stats *stats, - const struct ofp_stats_msg *request); + const struct ofp_header *request); +enum ofperr ofputil_decode_aggregate_stats_reply( + struct ofputil_aggregate_stats *, + const struct ofp_header *reply); /* Flow removed message, independent of protocol. */ struct ofputil_flow_removed { - struct cls_rule rule; + struct match match; + uint16_t priority; ovs_be64 cookie; uint8_t reason; /* One of OFPRR_*. */ + uint8_t table_id; /* 255 if message didn't include table ID. */ uint32_t duration_sec; uint32_t duration_nsec; uint16_t idle_timeout; + uint16_t hard_timeout; uint64_t packet_count; /* Packet count, UINT64_MAX if unknown. */ uint64_t byte_count; /* Byte count, UINT64_MAX if unknown. */ }; @@ -345,6 +278,7 @@ struct ofputil_packet_in { enum ofperr ofputil_decode_packet_in(struct ofputil_packet_in *, const struct ofp_header *); struct ofpbuf *ofputil_encode_packet_in(const struct ofputil_packet_in *, + enum ofputil_protocol protocol, enum nx_packet_in_format); const char *ofputil_packet_in_reason_to_string(enum ofp_packet_in_reason); @@ -365,9 +299,10 @@ struct ofputil_packet_out { }; enum ofperr ofputil_decode_packet_out(struct ofputil_packet_out *, - const struct ofp_packet_out *, + const struct ofp_header *, struct ofpbuf *ofpacts); -struct ofpbuf *ofputil_encode_packet_out(const struct ofputil_packet_out *); +struct ofpbuf *ofputil_encode_packet_out(const struct ofputil_packet_out *, + enum ofputil_protocol protocol); enum ofputil_port_config { /* OpenFlow 1.0 and 1.1 share these values for these port config bits. */ @@ -416,19 +351,24 @@ struct ofputil_phy_port { }; enum ofputil_capabilities { - /* OpenFlow 1.0 and 1.1 share these values for these capabilities. */ + /* OpenFlow 1.0, 1.1 and 1.2 share these values for these capabilities. */ OFPUTIL_C_FLOW_STATS = 1 << 0, /* Flow statistics. */ OFPUTIL_C_TABLE_STATS = 1 << 1, /* Table statistics. */ OFPUTIL_C_PORT_STATS = 1 << 2, /* Port statistics. */ OFPUTIL_C_IP_REASM = 1 << 5, /* Can reassemble IP fragments. */ OFPUTIL_C_QUEUE_STATS = 1 << 6, /* Queue statistics. */ + + /* OpenFlow 1.0 and 1.1 share this capability. */ OFPUTIL_C_ARP_MATCH_IP = 1 << 7, /* Match IP addresses in ARP pkts. */ /* OpenFlow 1.0 only. */ OFPUTIL_C_STP = 1 << 3, /* 802.1d spanning tree. */ - /* OpenFlow 1.1 only. */ + /* OpenFlow 1.1 and 1.2 share this capability. */ OFPUTIL_C_GROUP_STATS = 1 << 4, /* Group statistics. */ + + /* OpenFlow 1.2 only */ + OFPUTIL_C_PORT_BLOCKED = 1 << 8, /* Switch will block looping ports */ }; enum ofputil_action_bitmap { @@ -459,6 +399,7 @@ enum ofputil_action_bitmap { OFPUTIL_A_GROUP = 1 << 24, OFPUTIL_A_SET_NW_TTL = 1 << 25, OFPUTIL_A_DEC_NW_TTL = 1 << 26, + OFPUTIL_A_SET_FIELD = 1 << 27, }; /* Abstract ofp_switch_features. */ @@ -470,7 +411,7 @@ struct ofputil_switch_features { enum ofputil_action_bitmap actions; }; -enum ofperr ofputil_decode_switch_features(const struct ofp_switch_features *, +enum ofperr ofputil_decode_switch_features(const struct ofp_header *, struct ofputil_switch_features *, struct ofpbuf *); @@ -482,7 +423,7 @@ void ofputil_put_switch_features_port(const struct ofputil_phy_port *, bool ofputil_switch_features_ports_trunc(struct ofpbuf *b); /* phy_port helper functions. */ -int ofputil_pull_phy_port(uint8_t ofp_version, struct ofpbuf *, +int ofputil_pull_phy_port(enum ofp_version ofp_version, struct ofpbuf *, struct ofputil_phy_port *); size_t ofputil_count_phy_ports(uint8_t ofp_version, struct ofpbuf *); @@ -492,7 +433,7 @@ struct ofputil_port_status { struct ofputil_phy_port desc; }; -enum ofperr ofputil_decode_port_status(const struct ofp_port_status *, +enum ofperr ofputil_decode_port_status(const struct ofp_header *, struct ofputil_port_status *); struct ofpbuf *ofputil_encode_port_status(const struct ofputil_port_status *, enum ofputil_protocol); @@ -511,13 +452,22 @@ enum ofperr ofputil_decode_port_mod(const struct ofp_header *, struct ofpbuf *ofputil_encode_port_mod(const struct ofputil_port_mod *, enum ofputil_protocol); +/* Abstract table stats. + * + * For now we use ofp12_table_stats as a superset of the other protocol + * versions' table stats. */ + +struct ofpbuf *ofputil_encode_table_stats_reply( + const struct ofp12_table_stats[], int n, + const struct ofp_header *request); + /* Abstract nx_flow_monitor_request. */ struct ofputil_flow_monitor_request { uint32_t id; enum nx_flow_monitor_flags flags; uint16_t out_port; uint8_t table_id; - struct cls_rule match; + struct match match; }; int ofputil_decode_flow_monitor_request(struct ofputil_flow_monitor_request *, @@ -535,7 +485,8 @@ struct ofputil_flow_update { uint16_t hard_timeout; uint8_t table_id; ovs_be64 cookie; - struct cls_rule *match; + struct match *match; + uint16_t priority; struct ofpact *ofpacts; size_t ofpacts_len; @@ -553,56 +504,16 @@ void ofputil_append_flow_update(const struct ofputil_flow_update *, uint32_t ofputil_decode_flow_monitor_cancel(const struct ofp_header *); struct ofpbuf *ofputil_encode_flow_monitor_cancel(uint32_t id); -/* OpenFlow protocol utility functions. */ -void *make_openflow(size_t openflow_len, uint8_t type, struct ofpbuf **); -void *make_nxmsg(size_t openflow_len, uint32_t subtype, struct ofpbuf **); - -void *make_openflow_xid(size_t openflow_len, uint8_t type, - ovs_be32 xid, struct ofpbuf **); -void *make_nxmsg_xid(size_t openflow_len, uint32_t subtype, ovs_be32 xid, - struct ofpbuf **); - -void *put_openflow(size_t openflow_len, uint8_t type, struct ofpbuf *); -void *put_openflow_xid(size_t openflow_len, uint8_t type, ovs_be32 xid, - struct ofpbuf *); - -void *put_nxmsg(size_t openflow_len, uint32_t subtype, struct ofpbuf *); -void *put_nxmsg_xid(size_t openflow_len, uint32_t subtype, ovs_be32 xid, - struct ofpbuf *); - -void update_openflow_length(struct ofpbuf *); - -void *ofputil_make_stats_request(size_t openflow_len, uint16_t type, - uint32_t subtype, struct ofpbuf **); -void *ofputil_make_stats_reply(size_t openflow_len, - const struct ofp_stats_msg *request, - struct ofpbuf **); - -void ofputil_put_stats_header(ovs_be32 xid, uint8_t ofp_type, - ovs_be16 ofpst_type, ovs_be32 nxst_subtype, - struct ofpbuf *); - -void ofputil_start_stats_reply(const struct ofp_stats_msg *request, - struct list *); -struct ofpbuf *ofputil_reserve_stats_reply(size_t len, struct list *); -void *ofputil_append_stats_reply(size_t len, struct list *); -void ofputil_postappend_stats_reply(size_t start_ofs, struct list *); - -void ofputil_append_port_desc_stats_reply(uint8_t ofp_version, +/* Encoding OpenFlow stats messages. */ +void ofputil_append_port_desc_stats_reply(enum ofp_version ofp_version, const struct ofputil_phy_port *pp, struct list *replies); -const void *ofputil_stats_body(const struct ofp_header *); -size_t ofputil_stats_body_len(const struct ofp_header *); - -const void *ofputil_nxstats_body(const struct ofp_header *); -size_t ofputil_nxstats_body_len(const struct ofp_header *); - -/* */ -struct ofpbuf *make_echo_request(void); +/* Encoding simple OpenFlow messages. */ +struct ofpbuf *make_echo_request(enum ofp_version); struct ofpbuf *make_echo_reply(const struct ofp_header *rq); -struct ofpbuf *ofputil_encode_barrier_request(void); +struct ofpbuf *ofputil_encode_barrier_request(enum ofp_version); const char *ofputil_frag_handling_to_string(enum ofp_config_flags); bool ofputil_frag_handling_from_string(const char *, enum ofp_config_flags *); @@ -649,17 +560,17 @@ bool ofputil_frag_handling_from_string(const char *, enum ofp_config_flags *); */ enum OVS_PACKED_ENUM ofputil_action_code { OFPUTIL_ACTION_INVALID, -#define OFPAT10_ACTION(ENUM, STRUCT, NAME) OFPUTIL_##ENUM, -#define OFPAT11_ACTION(ENUM, STRUCT, NAME) OFPUTIL_##ENUM, -#define NXAST_ACTION(ENUM, STRUCT, EXTENSIBLE, NAME) OFPUTIL_##ENUM, +#define OFPAT10_ACTION(ENUM, STRUCT, NAME) OFPUTIL_##ENUM, +#define OFPAT11_ACTION(ENUM, STRUCT, EXTENSIBLE, NAME) OFPUTIL_##ENUM, +#define NXAST_ACTION(ENUM, STRUCT, EXTENSIBLE, NAME) OFPUTIL_##ENUM, #include "ofp-util.def" }; /* The number of values of "enum ofputil_action_code". */ enum { -#define OFPAT10_ACTION(ENUM, STRUCT, NAME) + 1 -#define OFPAT11_ACTION(ENUM, STRUCT, NAME) + 1 -#define NXAST_ACTION(ENUM, STRUCT, EXTENSIBLE, NAME) + 1 +#define OFPAT10_ACTION(ENUM, STRUCT, NAME) + 1 +#define OFPAT11_ACTION(ENUM, STRUCT, EXTENSIBLE, NAME) + 1 +#define NXAST_ACTION(ENUM, STRUCT, EXTENSIBLE, NAME) + 1 OFPUTIL_N_ACTIONS = 1 #include "ofp-util.def" }; @@ -685,7 +596,7 @@ void *ofputil_put_action(enum ofputil_action_code, struct ofpbuf *buf); #define OFPAT10_ACTION(ENUM, STRUCT, NAME) \ void ofputil_init_##ENUM(struct STRUCT *); \ struct STRUCT *ofputil_put_##ENUM(struct ofpbuf *); -#define OFPAT11_ACTION(ENUM, STRUCT, NAME) \ +#define OFPAT11_ACTION(ENUM, STRUCT, EXTENSIBLE, NAME) \ void ofputil_init_##ENUM(struct STRUCT *); \ struct STRUCT *ofputil_put_##ENUM(struct ofpbuf *); #define NXAST_ACTION(ENUM, STRUCT, EXTENSIBLE, NAME) \ @@ -709,4 +620,43 @@ 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 */