X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fofp-util.h;h=975d8d2f4aca33f88754f9f7a669d73c01a376df;hb=9ac3fce4d5aea7e963439eb97f7c2d157aef4dfc;hp=a0c103f36d16738f00d9c4f1c2071d19996bbc16;hpb=c6430da5be53d510e31e8add61a2f2575193f4b4;p=openvswitch diff --git a/lib/ofp-util.h b/lib/ofp-util.h index a0c103f3..975d8d2f 100644 --- a/lib/ofp-util.h +++ b/lib/ofp-util.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2008, 2009, 2010 Nicira Networks. + * Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -29,9 +29,6 @@ struct cls_rule; struct ofpbuf; -/* Alignment of ofp_actions. */ -#define OFP_ACTION_ALIGN 8 - /* Basic decoding and length validation of OpenFlow messages. */ enum ofputil_msg_code { OFPUTIL_INVALID, @@ -74,12 +71,10 @@ enum ofputil_msg_code { OFPUTIL_OFPST_AGGREGATE_REPLY, /* NXT_* messages. */ - OFPUTIL_NXT_STATUS_REQUEST, - OFPUTIL_NXT_STATUS_REPLY, - OFPUTIL_NXT_TUN_ID_FROM_COOKIE, 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, @@ -105,27 +100,29 @@ int ofputil_netmask_to_wcbits(ovs_be32 netmask); /* Work with OpenFlow 1.0 ofp_match. */ void ofputil_cls_rule_from_match(const struct ofp_match *, - unsigned int priority, enum nx_flow_format, - uint64_t cookie, struct cls_rule *); -void ofputil_cls_rule_to_match(const struct cls_rule *, enum nx_flow_format, - struct ofp_match *); -void normalize_match(struct ofp_match *); -char *ofp_match_to_literal_string(const struct ofp_match *match); + unsigned int priority, struct cls_rule *); +void ofputil_cls_rule_to_match(const struct cls_rule *, struct ofp_match *); + +/* dl_type translation between OpenFlow and 'struct flow' format. */ +ovs_be16 ofputil_dl_type_to_openflow(ovs_be16 flow_dl_type); +ovs_be16 ofputil_dl_type_from_openflow(ovs_be16 ofp_dl_type); /* Flow formats. */ bool ofputil_flow_format_is_valid(enum nx_flow_format); const char *ofputil_flow_format_to_string(enum nx_flow_format); int ofputil_flow_format_from_string(const char *); -enum nx_flow_format ofputil_min_flow_format(const struct cls_rule *, - bool cookie_support, - ovs_be64 cookie); +enum nx_flow_format ofputil_min_flow_format(const struct cls_rule *); struct ofpbuf *ofputil_make_set_flow_format(enum nx_flow_format); +/* NXT_FLOW_MOD_TABLE_ID extension. */ +struct ofpbuf *ofputil_make_flow_mod_table_id(bool flow_mod_table_id); + /* Flow format independent flow_mod. */ struct flow_mod { struct cls_rule cr; ovs_be64 cookie; + uint8_t table_id; uint16_t command; uint16_t idle_timeout; uint16_t hard_timeout; @@ -137,9 +134,10 @@ struct flow_mod { }; int ofputil_decode_flow_mod(struct flow_mod *, const struct ofp_header *, - enum nx_flow_format); + bool flow_mod_table_id); struct ofpbuf *ofputil_encode_flow_mod(const struct flow_mod *, - enum nx_flow_format); + enum nx_flow_format, + bool flow_mod_table_id); /* Flow stats or aggregate stats request, independent of flow format. */ struct flow_stats_request { @@ -150,11 +148,58 @@ struct flow_stats_request { }; int ofputil_decode_flow_stats_request(struct flow_stats_request *, - const struct ofp_header *, - enum nx_flow_format); + const struct ofp_header *); struct ofpbuf *ofputil_encode_flow_stats_request( const struct flow_stats_request *, enum nx_flow_format); +/* Flow stats reply, independent of flow format. */ +struct ofputil_flow_stats { + struct cls_rule rule; + ovs_be64 cookie; + uint8_t table_id; + uint32_t duration_sec; + uint32_t duration_nsec; + uint16_t idle_timeout; + uint16_t hard_timeout; + uint64_t packet_count; + uint64_t byte_count; + union ofp_action *actions; + size_t n_actions; +}; + +int ofputil_decode_flow_stats_reply(struct ofputil_flow_stats *, + struct ofpbuf *msg); + +/* Flow removed message, independent of flow format. */ +struct ofputil_flow_removed { + struct cls_rule rule; + ovs_be64 cookie; + uint8_t reason; /* One of OFPRR_*. */ + uint32_t duration_sec; + uint32_t duration_nsec; + uint16_t idle_timeout; + uint64_t packet_count; + uint64_t byte_count; +}; + +int ofputil_decode_flow_removed(struct ofputil_flow_removed *, + const struct ofp_header *); +struct ofpbuf *ofputil_encode_flow_removed(const struct ofputil_flow_removed *, + enum nx_flow_format); + +/* Abstract packet-in message. */ +struct ofputil_packet_in { + struct ofpbuf *packet; + uint16_t in_port; + uint8_t reason; /* One of OFPR_*. */ + + uint32_t buffer_id; + int send_len; +}; + +struct ofpbuf *ofputil_encode_packet_in(const struct ofputil_packet_in *, + struct ofpbuf *rw_packet); + /* 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 **); @@ -206,13 +251,10 @@ struct ofpbuf *make_unbuffered_packet_out(const struct ofpbuf *packet, uint16_t in_port, uint16_t out_port); struct ofpbuf *make_echo_request(void); struct ofpbuf *make_echo_reply(const struct ofp_header *rq); + +/* Actions. */ -struct flow_stats_iterator { - const uint8_t *pos, *end; -}; -const struct ofp_flow_stats *flow_stats_first(struct flow_stats_iterator *, - const struct ofp_stats_reply *); -const struct ofp_flow_stats *flow_stats_next(struct flow_stats_iterator *); +#define OFP_ACTION_ALIGN 8 /* Alignment of ofp_actions. */ struct actions_iterator { const union ofp_action *pos, *end; @@ -221,9 +263,10 @@ const union ofp_action *actions_first(struct actions_iterator *, const union ofp_action *, size_t n_actions); const union ofp_action *actions_next(struct actions_iterator *); + int validate_actions(const union ofp_action *, size_t n_actions, const struct flow *, int max_ports); -bool action_outputs_to_port(const union ofp_action *, uint16_t port); +bool action_outputs_to_port(const union ofp_action *, ovs_be16 port); int ofputil_pull_actions(struct ofpbuf *, unsigned int actions_len, union ofp_action **, size_t *); @@ -365,6 +408,11 @@ get_ofp_err_code(int error) return error & 0xffff; } -struct ofpbuf *make_ofp_error_msg(int error, const struct ofp_header *); +struct ofpbuf *ofputil_encode_error_msg(int error, const struct ofp_header *); +int ofputil_decode_error_msg(const struct ofp_header *, size_t *payload_ofs); + +/* String versions of errors. */ +void ofputil_format_error(struct ds *, int error); +char *ofputil_error_to_string(int error); #endif /* ofp-util.h */