X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=lib%2Fodp-util.h;h=00284996fe849ee32ed046f4fbb29595218df5aa;hb=c2b565b54e36bc33d0406afb225c9bf3d01405ef;hp=73c3362ab0d71906e5e5c60dc6f6e33e1e30f378;hpb=9e44d715638af28689b15ef0c5be920e61c7997b;p=openvswitch diff --git a/lib/odp-util.h b/lib/odp-util.h index 73c3362a..00284996 100644 --- a/lib/odp-util.h +++ b/lib/odp-util.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2009, 2010, 2011 Nicira Networks. + * Copyright (c) 2009, 2010, 2011, 2012 Nicira Networks. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. @@ -30,6 +30,7 @@ struct ds; struct flow; struct nlattr; struct ofpbuf; +struct shash; #define OVSP_NONE ((uint16_t) -1) @@ -58,8 +59,11 @@ odp_port_to_ofp_port(uint16_t odp_port) return odp_port; } } + void format_odp_actions(struct ds *, const struct nlattr *odp_actions, size_t actions_len); +int odp_actions_from_string(const char *, const struct shash *port_names, + struct ofpbuf *odp_actions); /* Upper bound on the length of a nlattr-formatted flow key. The longest * nlattr-formatted flow key would be: @@ -72,7 +76,7 @@ void format_odp_actions(struct ds *, const struct nlattr *odp_actions, * OVS_KEY_ATTR_ETHERNET 12 -- 4 16 * OVS_KEY_ATTR_8021Q 4 -- 4 8 * OVS_KEY_ATTR_ETHERTYPE 2 2 4 8 - * OVS_KEY_ATTR_IPV6 39 1 4 44 + * OVS_KEY_ATTR_IPV6 40 -- 4 44 * OVS_KEY_ATTR_ICMPV6 2 2 4 8 * OVS_KEY_ATTR_ND 28 -- 4 32 * ------------------------------------------------- @@ -88,14 +92,32 @@ struct odputil_keybuf { }; void odp_flow_key_format(const struct nlattr *, size_t, struct ds *); -int odp_flow_key_from_string(const char *s, struct ofpbuf *); +int odp_flow_key_from_string(const char *s, const struct shash *port_names, + struct ofpbuf *); void odp_flow_key_from_flow(struct ofpbuf *, const struct flow *); -int odp_flow_key_to_flow(const struct nlattr *, size_t, struct flow *); + +uint32_t odp_flow_key_hash(const struct nlattr *, size_t); + +/* How well a kernel-provided flow key (a sequence of OVS_KEY_ATTR_* + * attributes) matches OVS userspace expectations. + * + * These values are arranged so that greater values are "more important" than + * lesser ones. In particular, a single flow key can fit the descriptions for + * both ODP_FIT_TOO_LITTLE and ODP_FIT_TOO_MUCH. Such a key is treated as + * ODP_FIT_TOO_LITTLE. */ +enum odp_key_fitness { + ODP_FIT_PERFECT, /* The key had exactly the fields we expect. */ + ODP_FIT_TOO_MUCH, /* The key had fields we don't understand. */ + ODP_FIT_TOO_LITTLE, /* The key lacked fields we expected to see. */ + ODP_FIT_ERROR, /* The key was invalid. */ +}; +enum odp_key_fitness odp_flow_key_to_flow(const struct nlattr *, size_t, + struct flow *); +const char *odp_key_fitness_to_string(enum odp_key_fitness); enum user_action_cookie_type { USER_ACTION_COOKIE_UNSPEC, - USER_ACTION_COOKIE_CONTROLLER, /* Packet for controller. */ USER_ACTION_COOKIE_SFLOW, /* Packet for sFlow sampling. */ }; @@ -111,4 +133,10 @@ struct user_action_cookie { BUILD_ASSERT_DECL(sizeof(struct user_action_cookie) == 8); +size_t odp_put_userspace_action(uint32_t pid, + const struct user_action_cookie *, + struct ofpbuf *odp_actions); + +void commit_odp_actions(const struct flow *, struct flow *base, + struct ofpbuf *odp_actions); #endif /* odp-util.h */