X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fodp-util.h;h=6051c52d8709732db4138d441833c175e727ab2c;hb=c052da844bdf7fc2f87500f76fca529c4e3dc598;hp=6d67ec2cfe1f9b2660ef64f89c0936c8addd974c;hpb=a14bc59fb8f27db193d74662dc9c5cb8237177ef;p=openvswitch diff --git a/lib/odp-util.h b/lib/odp-util.h index 6d67ec2c..6051c52d 100644 --- a/lib/odp-util.h +++ b/lib/odp-util.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2009 Nicira Networks. + * Copyright (c) 2009, 2010 Nicira Networks. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -18,34 +18,16 @@ #define ODP_UTIL_H 1 #include +#include #include +#include +#include "hash.h" #include "openflow/openflow.h" #include "openvswitch/datapath-protocol.h" +#include "util.h" struct ds; - -/* The kernel datapaths limits actions to those that fit in a single page of - * memory, so there is no point in allocating more than that. */ -enum { MAX_ODP_ACTIONS = 4096 / sizeof(union odp_action) }; - -struct odp_actions { - size_t n_actions; - union odp_action actions[MAX_ODP_ACTIONS]; -}; - -static inline void -odp_actions_init(struct odp_actions *actions) -{ - actions->n_actions = 0; -} - -union odp_action *odp_actions_add(struct odp_actions *actions, uint16_t type); - -static inline bool -odp_actions_overflow(const struct odp_actions *actions) -{ - return actions->n_actions > MAX_ODP_ACTIONS; -} +struct flow; static inline uint16_t ofp_port_to_odp_port(uint16_t ofp_port) @@ -73,10 +55,29 @@ odp_port_to_ofp_port(uint16_t odp_port) } } -void format_odp_action(struct ds *, const union odp_action *); -void format_odp_actions(struct ds *, const union odp_action *actions, - size_t n_actions); +void format_odp_flow_key(struct ds *, const struct odp_flow_key *); +int odp_action_len(uint16_t type); +void format_odp_action(struct ds *, const struct nlattr *); +void format_odp_actions(struct ds *, const struct nlattr *odp_actions, + size_t actions_len); void format_odp_flow_stats(struct ds *, const struct odp_flow_stats *); void format_odp_flow(struct ds *, const struct odp_flow *); +void odp_flow_key_from_flow(struct odp_flow_key *, const struct flow *); +void odp_flow_key_to_flow(const struct odp_flow_key *, struct flow *); + +static inline bool +odp_flow_key_equal(const struct odp_flow_key *a, const struct odp_flow_key *b) +{ + return !memcmp(a, b, sizeof *a); +} + +static inline size_t +odp_flow_key_hash(const struct odp_flow_key *flow, uint32_t basis) +{ + BUILD_ASSERT_DECL(!(sizeof *flow % sizeof(uint32_t))); + return hash_words((const uint32_t *) flow, + sizeof *flow / sizeof(uint32_t), basis); +} + #endif /* odp-util.h */