X-Git-Url: http://git.cascardo.eti.br/?a=blobdiff_plain;f=ofproto%2Fofproto-dpif.h;h=dab422aac723f29ed6bfde381d6cb52524c0c251;hb=83b03fe05e7a6734b2096dab86937294769987c6;hp=7efc8d736e6b6e297b6b0f2ba3c0138b56d21f33;hpb=cd1acaab0a125b4578dbcc686ea9f4cc5de5fb1a;p=cascardo%2Fovs.git diff --git a/ofproto/ofproto-dpif.h b/ofproto/ofproto-dpif.h index 7efc8d736..dab422aac 100644 --- a/ofproto/ofproto-dpif.h +++ b/ofproto/ofproto-dpif.h @@ -1,4 +1,4 @@ -/* Copyright (c) 2009, 2010, 2011, 2012, 2013 Nicira, Inc. +/* Copyright (c) 2009, 2010, 2011, 2012, 2013, 2014, 2015 Nicira, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -17,20 +17,33 @@ #include +#include "fail-open.h" #include "hmapx.h" #include "odp-util.h" #include "ofp-util.h" #include "ovs-thread.h" +#include "ofproto-provider.h" #include "timer.h" #include "util.h" #include "ovs-thread.h" +/* Priority for internal rules created to handle recirculation */ +#define RECIRC_RULE_PRIORITY 20 + union user_action_cookie; struct dpif_flow_stats; +struct ofproto; struct ofproto_dpif; +struct ofproto_packet_in; struct ofport_dpif; struct dpif_backer; struct OVS_LOCKABLE rule_dpif; +struct OVS_LOCKABLE group_dpif; + +/* Number of implemented OpenFlow tables. */ +enum { N_TABLES = 255 }; +enum { TBL_INTERNAL = N_TABLES - 1 }; /* Used for internal hidden rules. */ +BUILD_ASSERT_DECL(N_TABLES >= 2 && N_TABLES <= 255); /* Ofproto-dpif -- DPIF based ofproto implementation. * @@ -57,50 +70,165 @@ struct OVS_LOCKABLE rule_dpif; * to install a kernel flow. * * - ofproto-dpif-xlate.c - * Ofproto-dpif-xlate is responsible for translating translating OpenFlow - * actions into datapath actions. */ + * Ofproto-dpif-xlate is responsible for translating OpenFlow actions into + * datapath actions. */ + +/* Stores the various features which the corresponding backer supports. */ +struct dpif_backer_support { + /* True if the datapath supports variable-length + * OVS_USERSPACE_ATTR_USERDATA in OVS_ACTION_ATTR_USERSPACE actions. + * False if the datapath supports only 8-byte (or shorter) userdata. */ + bool variable_length_userdata; + + /* True if the datapath supports masked data in OVS_ACTION_ATTR_SET + * actions. */ + bool masked_set_action; + + /* True if the datapath supports tnl_push and pop actions. */ + bool tnl_push_pop; + + /* True if the datapath supports OVS_FLOW_ATTR_UFID. */ + bool ufid; + + /* Each member represents support for related OVS_KEY_ATTR_* fields. */ + struct odp_support odp; +}; -void rule_dpif_lookup(struct ofproto_dpif *, const struct flow *, - struct flow_wildcards *, struct rule_dpif **rule) - OVS_ACQ_RDLOCK(*rule); +bool ofproto_dpif_get_enable_ufid(const struct dpif_backer *backer); +struct dpif_backer_support *ofproto_dpif_get_support(const struct ofproto_dpif *); -bool rule_dpif_lookup_in_table(struct ofproto_dpif *, const struct flow *, - struct flow_wildcards *, uint8_t table_id, - struct rule_dpif **rule) - OVS_TRY_RDLOCK(true, *rule); +cls_version_t ofproto_dpif_get_tables_version(struct ofproto_dpif *); -void rule_dpif_release(struct rule_dpif *rule) OVS_RELEASES(rule); +struct rule_dpif *rule_dpif_lookup_from_table(struct ofproto_dpif *, + cls_version_t, struct flow *, + struct flow_wildcards *, + const struct dpif_flow_stats *, + uint8_t *table_id, + ofp_port_t in_port, + bool may_packet_in, + bool honor_table_miss); + +static inline void rule_dpif_ref(struct rule_dpif *); +static inline void rule_dpif_unref(struct rule_dpif *); void rule_dpif_credit_stats(struct rule_dpif *rule , const struct dpif_flow_stats *); -bool rule_dpif_fail_open(const struct rule_dpif *rule); +static inline bool rule_dpif_is_fail_open(const struct rule_dpif *); +static inline bool rule_dpif_is_table_miss(const struct rule_dpif *); +static inline bool rule_dpif_is_internal(const struct rule_dpif *); + +uint8_t rule_dpif_get_table(const struct rule_dpif *); + +bool table_is_internal(uint8_t table_id); -void rule_dpif_get_actions(const struct rule_dpif *rule, - const struct ofpact **ofpacts, - size_t *ofpacts_len); +const struct rule_actions *rule_dpif_get_actions(const struct rule_dpif *); +void rule_set_recirc_id(struct rule *, uint32_t id); ovs_be64 rule_dpif_get_flow_cookie(const struct rule_dpif *rule); void rule_dpif_reduce_timeouts(struct rule_dpif *rule, uint16_t idle_timeout, uint16_t hard_timeout); -void choose_miss_rule(enum ofputil_port_config, - struct rule_dpif *miss_rule, - struct rule_dpif *no_packet_in_rule, - struct rule_dpif **rule) - OVS_ACQ_RDLOCK(*rule); +void group_dpif_credit_stats(struct group_dpif *, + struct ofputil_bucket *, + const struct dpif_flow_stats *); +bool group_dpif_lookup(struct ofproto_dpif *ofproto, uint32_t group_id, + struct group_dpif **group); + +void group_dpif_get_buckets(const struct group_dpif *group, + const struct ovs_list **buckets); +enum ofp11_group_type group_dpif_get_type(const struct group_dpif *group); +const char *group_dpif_get_selection_method(const struct group_dpif *group); +uint64_t group_dpif_get_selection_method_param(const struct group_dpif *group); +const struct field_array *group_dpif_get_fields(const struct group_dpif *group); bool ofproto_has_vlan_splinters(const struct ofproto_dpif *); ofp_port_t vsp_realdev_to_vlandev(const struct ofproto_dpif *, ofp_port_t realdev_ofp_port, ovs_be16 vlan_tci); -bool vsp_adjust_flow(const struct ofproto_dpif *, struct flow *); - +bool vsp_adjust_flow(const struct ofproto_dpif *, struct flow *, + struct dp_packet *packet); + +int ofproto_dpif_execute_actions(struct ofproto_dpif *, const struct flow *, + struct rule_dpif *, const struct ofpact *, + size_t ofpacts_len, struct dp_packet *); +int ofproto_dpif_execute_actions__(struct ofproto_dpif *, const struct flow *, + struct rule_dpif *, const struct ofpact *, + size_t ofpacts_len, int recurse, + int resubmits, struct dp_packet *); void ofproto_dpif_send_packet_in(struct ofproto_dpif *, - struct ofputil_packet_in *pin); -void ofproto_dpif_flow_mod(struct ofproto_dpif *, struct ofputil_flow_mod *); + struct ofproto_packet_in *); +bool ofproto_dpif_wants_packet_in_on_miss(struct ofproto_dpif *); +int ofproto_dpif_send_packet(const struct ofport_dpif *, struct dp_packet *); +void ofproto_dpif_flow_mod(struct ofproto_dpif *, + const struct ofputil_flow_mod *); +struct rule_dpif *ofproto_dpif_refresh_rule(struct rule_dpif *); struct ofport_dpif *odp_port_to_ofport(const struct dpif_backer *, odp_port_t); - +struct ofport_dpif *ofp_port_to_ofport(const struct ofproto_dpif *, + ofp_port_t); + +bool ofproto_dpif_backer_enabled(struct dpif_backer* backer); + +int ofproto_dpif_add_internal_flow(struct ofproto_dpif *, + const struct match *, int priority, + uint16_t idle_timeout, + const struct ofpbuf *ofpacts, + struct rule **rulep); +int ofproto_dpif_delete_internal_flow(struct ofproto_dpif *, struct match *, + int priority); + +/* struct rule_dpif has struct rule as it's first member. */ +#define RULE_CAST(RULE) ((struct rule *)RULE) +#define GROUP_CAST(GROUP) ((struct ofgroup *)GROUP) + +static inline struct group_dpif* group_dpif_ref(struct group_dpif *group) +{ + if (group) { + ofproto_group_ref(GROUP_CAST(group)); + } + return group; +} + +static inline void group_dpif_unref(struct group_dpif *group) +{ + if (group) { + ofproto_group_unref(GROUP_CAST(group)); + } +} + +static inline void rule_dpif_ref(struct rule_dpif *rule) +{ + if (rule) { + ofproto_rule_ref(RULE_CAST(rule)); + } +} + +static inline void rule_dpif_unref(struct rule_dpif *rule) +{ + if (rule) { + ofproto_rule_unref(RULE_CAST(rule)); + } +} + +static inline bool rule_dpif_is_fail_open(const struct rule_dpif *rule) +{ + return is_fail_open_rule(RULE_CAST(rule)); +} + +static inline bool rule_dpif_is_table_miss(const struct rule_dpif *rule) +{ + return rule_is_table_miss(RULE_CAST(rule)); +} + +/* Returns true if 'rule' is an internal rule, false otherwise. */ +static inline bool rule_dpif_is_internal(const struct rule_dpif *rule) +{ + return RULE_CAST(rule)->table_id == TBL_INTERNAL; +} + +#undef RULE_CAST + +bool ovs_native_tunneling_is_on(struct ofproto_dpif *ofproto); #endif /* ofproto-dpif.h */