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/*
* Copyright (c) 2014 Netronome.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef OPENFLOW_NETRONOME_EXT_H
#define OPENFLOW_NETRONOME_EXT_H 1
#include "openflow/openflow.h"
#include "openvswitch/types.h"
/* The following vendor extension, proposed by Netronome, is not yet
* standardized, so they are not included in openflow.h. It may
* be suitable for standardization */
/* Netronome enhanced select group */
enum ntr_group_mod_subtype {
NTRT_SELECTION_METHOD = 1,
};
#define NTR_MAX_SELECTION_METHOD_LEN 16
struct ntr_group_prop_selection_method {
ovs_be16 type; /* OFPGPT15_EXPERIMENTER. */
ovs_be16 length; /* Length in bytes of this property
* excluding trailing padding. */
ovs_be32 experimenter; /* NTR_VENDOR_ID. */
ovs_be32 exp_type; /* NTRT_SELECTION_METHOD. */
ovs_be32 pad;
char selection_method[NTR_MAX_SELECTION_METHOD_LEN];
/* Null-terminated */
ovs_be64 selection_method_param; /* Non-Field parameter for
* bucket selection. */
/* Followed by:
* - Exactly (length - 40) (possibly 0) bytes containing OXM TLVs, then
* - Exactly ((length + 7)/8*8 - length) (between 0 and 7) bytes of
* all-zero bytes
* In summary, ntr_group_prop_selection_method is padded as needed,
* to make its overall size a multiple of 8, to preserve alignment
* in structures using it.
*/
/* uint8_t field_array[0]; */ /* Zero or more fields encoded as
* OXM TLVs where the has_mask bit must
* be zero and the value it specifies is
* a mask to apply to packet fields and
* then input them to the selection
* method of a select group. */
/* uint8_t pad2[0]; */
};
OFP_ASSERT(sizeof(struct ntr_group_prop_selection_method) == 40);
#endif /* openflow/netronome-ext.h */
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