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cc377352d1
This patch reorganizes ofproto-dpif in preparation for future patches which allow direct upcall processing from dpif-netdev. The main goals are to share as much code as possible between the dpif-linux and dpif-netdev upcall paths. Additionally, to avoid confusing the dpif-netdev fast path, the packet processing path should treat packets and struct flow's as const. Signed-off-by: Ethan Jackson <ethan@nicira.com> Acked-by: Ben Pfaff <blp@nicira.com>
43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
/* Copyright (c) 2013, 2014 Nicira, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License. */
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#ifndef OFPROTO_DPIF_UPCALL_H
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#define OFPROTO_DPIF_UPCALL_H
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#include <stddef.h>
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struct dpif;
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struct dpif_backer;
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struct dpif_upcall;
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struct ofpbuf;
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struct seq;
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struct simap;
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/* Udif is responsible for retrieving upcalls from the kernel and processing
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* them. Additionally, it's responsible for maintaining the datapath flow
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* table. */
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struct udpif *udpif_create(struct dpif_backer *, struct dpif *);
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void udpif_run(struct udpif *udpif);
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void udpif_set_threads(struct udpif *, size_t n_handlers,
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size_t n_revalidators);
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void udpif_synchronize(struct udpif *);
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void udpif_destroy(struct udpif *);
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void udpif_revalidate(struct udpif *);
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void udpif_get_memory_usage(struct udpif *, struct simap *usage);
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struct seq *udpif_dump_seq(struct udpif *);
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void udpif_flush(struct udpif *);
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#endif /* ofproto-dpif-upcall.h */
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