X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=lib%2Fofp-util.h;h=77162bf29cfc0ff001fbf75e9f995902b544f485;hb=305b76debf72120672a8ba81d3356b6dccb1da9a;hp=6b5f36722424b6ab70e2d38daf01181761ca2540;hpb=e9536ecb5097ee60cf0fa6f06ca27f41aa67d165;p=sliver-openvswitch.git diff --git a/lib/ofp-util.h b/lib/ofp-util.h index 6b5f36722..77162bf29 100644 --- a/lib/ofp-util.h +++ b/lib/ofp-util.h @@ -17,7 +17,6 @@ #ifndef OFP_UTIL_H #define OFP_UTIL_H 1 -#include #include #include #include @@ -36,7 +35,7 @@ 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 @@ -45,12 +44,15 @@ ovs_be32 ofputil_wcbits_to_netmask(int wcbits); int ofputil_netmask_to_wcbits(ovs_be32 netmask); /* Protocols. + * + * A "protocol" is an OpenFlow version plus, for some OpenFlow versions, + * a bit extra about the flow match format in use. * * These are arranged from most portable to least portable, or alternatively - * from least powerful to most powerful. Formats earlier on the list are more - * likely to be understood for the purpose of making requests, but formats - * later on the list are more likely to accurately describe a flow within a - * switch. + * from least powerful to most powerful. Protocols earlier on the list are + * more likely to be understood for the purpose of making requests, but + * protocol later on the list are more likely to accurately describe a flow + * within a switch. * * On any given OpenFlow connection, a single protocol is in effect at any * given time. These values use separate bits only because that makes it easy @@ -58,33 +60,49 @@ int ofputil_netmask_to_wcbits(ovs_be32 netmask); * to implement set union and intersection. */ enum ofputil_protocol { - /* OpenFlow 1.0-based protocols. */ - OFPUTIL_P_OF10 = 1 << 0, /* OpenFlow 1.0 flow format. */ - OFPUTIL_P_OF10_TID = 1 << 1, /* OF1.0 + flow_mod_table_id extension. */ -#define OFPUTIL_P_OF10_ANY (OFPUTIL_P_OF10 | OFPUTIL_P_OF10_TID) - - /* OpenFlow 1.0 with NXM-based flow formats. */ - OFPUTIL_P_NXM = 1 << 2, /* Nicira extended match. */ - 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. */ + /* OpenFlow 1.0 protocols. + * + * The "STD" protocols use the standard OpenFlow 1.0 flow format. + * The "NXM" protocols use the Nicira Extensible Match (NXM) flow format. + * + * The protocols with "TID" mean that the nx_flow_mod_table_id Nicira + * extension has been enabled. The other protocols have it disabled. + */ +#define OFPUTIL_P_NONE 0 + OFPUTIL_P_OF10_STD = 1 << 0, + OFPUTIL_P_OF10_STD_TID = 1 << 1, + OFPUTIL_P_OF10_NXM = 1 << 2, + OFPUTIL_P_OF10_NXM_TID = 1 << 3, +#define OFPUTIL_P_OF10_STD_ANY (OFPUTIL_P_OF10_STD | OFPUTIL_P_OF10_STD_TID) +#define OFPUTIL_P_OF10_NXM_ANY (OFPUTIL_P_OF10_NXM | OFPUTIL_P_OF10_NXM_TID) + + /* OpenFlow 1.2+ protocols (only one variant each). + * + * These use the standard OpenFlow Extensible Match (OXM) flow format. + * + * OpenFlow 1.2+ always operates with an equivalent of the + * nx_flow_mod_table_id Nicira extension enabled, so there is no "TID" + * variant. */ + OFPUTIL_P_OF12_OXM = 1 << 4, + OFPUTIL_P_OF13_OXM = 1 << 5, +#define OFPUTIL_P_ANY_OXM (OFPUTIL_P_OF12_OXM | OFPUTIL_P_OF13_OXM) /* All protocols. */ -#define OFPUTIL_P_ANY (OFPUTIL_P_OF10_ANY | OFPUTIL_P_NXM_ANY) +#define OFPUTIL_P_ANY ((1 << 6) - 1) /* Protocols in which a specific table may be specified in flow_mods. */ -#define OFPUTIL_P_TID (OFPUTIL_P_OF10_TID | OFPUTIL_P_NXM_TID) +#define OFPUTIL_P_TID (OFPUTIL_P_OF10_STD_TID | \ + OFPUTIL_P_OF10_NXM_TID | \ + OFPUTIL_P_ANY_OXM) }; /* Protocols to use for flow dumps, from most to least preferred. */ extern enum ofputil_protocol ofputil_flow_dump_protocols[]; extern size_t ofputil_n_flow_dump_protocols; -enum ofputil_protocol -ofputil_protocol_from_ofp_version(enum ofp_version version); -enum ofp_version ofputil_protocol_to_ofp_version(enum ofputil_protocol); +enum ofputil_protocol ofputil_protocol_from_ofp_version(enum ofp_version); +enum ofputil_protocol ofputil_protocols_from_ofp_version(enum ofp_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, @@ -98,6 +116,40 @@ 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); + +uint32_t ofputil_protocols_to_version_bitmap(enum ofputil_protocol); +enum ofputil_protocol ofputil_protocols_from_version_bitmap(uint32_t bitmap); + +/* Bitmap of OpenFlow versions that Open vSwitch supports. */ +#define OFPUTIL_SUPPORTED_VERSIONS \ + ((1u << OFP10_VERSION) | (1u << OFP12_VERSION) | (1u << OFP13_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); +uint32_t ofputil_versions_from_strings(char ** const s, size_t count); + +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 +183,8 @@ 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); @@ -214,6 +267,7 @@ struct ofputil_flow_stats { uint64_t byte_count; /* Byte count, UINT64_MAX if unknown. */ struct ofpact *ofpacts; size_t ofpacts_len; + uint16_t flags; /* Added for OF 1.3 */ }; int ofputil_decode_flow_stats_reply(struct ofputil_flow_stats *, @@ -243,6 +297,7 @@ struct ofputil_flow_removed { 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; @@ -349,7 +404,7 @@ struct ofputil_phy_port { }; enum ofputil_capabilities { - /* OpenFlow 1.0, 1.1 and 1.2 share these values for these capabilities. */ + /* OpenFlow 1.0, 1.1, 1.2, and 1.3 share these capability values. */ OFPUTIL_C_FLOW_STATS = 1 << 0, /* Flow statistics. */ OFPUTIL_C_TABLE_STATS = 1 << 1, /* Table statistics. */ OFPUTIL_C_PORT_STATS = 1 << 2, /* Port statistics. */ @@ -362,10 +417,10 @@ enum ofputil_capabilities { /* OpenFlow 1.0 only. */ OFPUTIL_C_STP = 1 << 3, /* 802.1d spanning tree. */ - /* OpenFlow 1.1 and 1.2 share this capability. */ + /* OpenFlow 1.1, 1.2, and 1.3 share this capability. */ OFPUTIL_C_GROUP_STATS = 1 << 4, /* Group statistics. */ - /* OpenFlow 1.2 only */ + /* OpenFlow 1.2 and 1.3 share this capability */ OFPUTIL_C_PORT_BLOCKED = 1 << 8, /* Switch will block looping ports */ }; @@ -405,6 +460,7 @@ struct ofputil_switch_features { uint64_t datapath_id; /* Datapath unique ID. */ uint32_t n_buffers; /* Max packets buffered at once. */ uint8_t n_tables; /* Number of tables supported by datapath. */ + uint8_t auxiliary_id; /* Identify auxiliary connections */ enum ofputil_capabilities capabilities; enum ofputil_action_bitmap actions; }; @@ -450,6 +506,19 @@ 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 ofp_role_request and reply. */ +struct ofputil_role_request { + bool request_current_role_only; /* no role change */ + bool have_generation_id; + enum nx_role role; + uint64_t generation_id; +}; + +enum ofperr ofputil_decode_role_message(const struct ofp_header *, + struct ofputil_role_request *); +struct ofpbuf *ofputil_encode_role_reply(const struct ofp_header *, + enum nx_role current_role); + /* Abstract table stats. * * For now we use ofp12_table_stats as a superset of the other protocol @@ -538,6 +607,7 @@ 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 @@ -558,17 +628,17 @@ 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" }; @@ -594,7 +664,7 @@ 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) \ @@ -618,4 +688,43 @@ 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; /* OFPP_ANY means "all ports". */ + 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 */