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4aa6cf580b
NTR selection method Signed-off-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: Ben Pfaff <blp@nicira.com>
67 lines
2.6 KiB
C
67 lines
2.6 KiB
C
/*
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* Copyright (c) 2014 Netronome.
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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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*/
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#ifndef OPENFLOW_NETRONOME_EXT_H
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#define OPENFLOW_NETRONOME_EXT_H 1
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#include "openflow/openflow.h"
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#include "openvswitch/types.h"
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/* The following vendor extension, proposed by Netronome, is not yet
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* standardized, so they are not included in openflow.h. It may
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* be suitable for standardization */
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/* Netronome enhanced select group */
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enum ntr_group_mod_subtype {
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NTRT_SELECTION_METHOD = 1,
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};
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#define NTR_MAX_SELECTION_METHOD_LEN 16
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struct ntr_group_prop_selection_method {
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ovs_be16 type; /* OFPGPT15_EXPERIMENTER. */
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ovs_be16 length; /* Length in bytes of this property
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* excluding trailing padding. */
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ovs_be32 experimenter; /* NTR_VENDOR_ID. */
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ovs_be32 exp_type; /* NTRT_SELECTION_METHOD. */
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ovs_be32 pad;
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char selection_method[NTR_MAX_SELECTION_METHOD_LEN];
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/* Null-terminated */
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ovs_be64 selection_method_param; /* Non-Field parameter for
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* bucket selection. */
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/* Followed by:
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* - Exactly (length - 40) (possibly 0) bytes containing OXM TLVs, then
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* - Exactly ((length + 7)/8*8 - length) (between 0 and 7) bytes of
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* all-zero bytes
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* In summary, ntr_group_prop_selection_method is padded as needed,
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* to make its overall size a multiple of 8, to preserve alignment
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* in structures using it.
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*/
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/* uint8_t field_array[0]; */ /* Zero or more fields encoded as
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* OXM TLVs where the has_mask bit must
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* be zero and the value it specifies is
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* a mask to apply to packet fields and
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* then input them to the selection
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* method of a select group. */
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/* uint8_t pad2[0]; */
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};
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OFP_ASSERT(sizeof(struct ntr_group_prop_selection_method) == 40);
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#endif /* openflow/netronome-ext.h */
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