mirror of
https://github.com/openvswitch/ovs
synced 2025-08-23 02:17:42 +00:00
83 lines
2.3 KiB
C
83 lines
2.3 KiB
C
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/*
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* Copyright (c) 2009 Nicira Networks.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef ODP_UTIL_H
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#define ODP_UTIL_H 1
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#include <stdbool.h>
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#include <stdint.h>
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#include "openflow/openflow.h"
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#include "openvswitch/datapath-protocol.h"
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struct ds;
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/* The kernel datapaths limits actions to those that fit in a single page of
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* memory, so there is no point in allocating more than that. */
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enum { MAX_ODP_ACTIONS = 4096 / sizeof(union odp_action) };
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struct odp_actions {
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size_t n_actions;
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union odp_action actions[MAX_ODP_ACTIONS];
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};
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static inline void
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odp_actions_init(struct odp_actions *actions)
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{
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actions->n_actions = 0;
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}
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union odp_action *odp_actions_add(struct odp_actions *actions, uint16_t type);
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static inline bool
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odp_actions_overflow(const struct odp_actions *actions)
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{
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return actions->n_actions > MAX_ODP_ACTIONS;
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}
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static inline uint16_t
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ofp_port_to_odp_port(uint16_t ofp_port)
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{
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switch (ofp_port) {
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case OFPP_LOCAL:
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return ODPP_LOCAL;
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case OFPP_NONE:
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return ODPP_NONE;
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default:
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return ofp_port;
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}
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}
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static inline uint16_t
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odp_port_to_ofp_port(uint16_t odp_port)
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{
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switch (odp_port) {
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case ODPP_LOCAL:
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return OFPP_LOCAL;
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case ODPP_NONE:
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return OFPP_NONE;
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default:
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return odp_port;
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}
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}
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void format_odp_action(struct ds *, const union odp_action *);
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void format_odp_actions(struct ds *, const union odp_action *actions,
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size_t n_actions);
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void format_odp_flow_stats(struct ds *, const struct odp_flow_stats *);
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void format_odp_flow(struct ds *, const struct odp_flow *);
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#endif /* odp-util.h */
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