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git.proxmox.com Git - mirror_ovs.git/blob - ofproto/ofproto-dpif-sflow.h
2 * Copyright (c) 2009, 2010 InMon Corp.
3 * Copyright (c) 2009, 2012 Nicira, Inc.
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at:
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
18 #ifndef OFPROTO_DPIF_SFLOW_H
19 #define OFPROTO_DPIF_SFLOW_H 1
23 #include "lib/odp-util.h"
28 struct ofproto_sflow_options
;
31 /* When we have the actions for a sampled packet that
32 * will go to just one output, then this structure is
33 * populated by parsing them. Only fields relevant to
34 * the sFlow export are extracted.
36 struct dpif_sflow_actions
{
37 odp_port_t out_port
; /* ODP output port. */
39 uint32_t encap_depth
; /* Count layers of tunnel-encap. */
40 struct flow_tnl tunnel
; /* Egress tunnel push/set. */
41 uint8_t tunnel_ipproto
; /* Tunnel push action can set ipproto. */
42 bool tunnel_err
; /* Tunnel actions parse failure. */
44 /* Using host-byte order for the mpls stack here
45 to match the expectations of the sFlow library. Also
46 the ordering is reversed, so that the entry at offset 0
47 is the bottom of the stack.
49 uint32_t mpls_lse
[FLOW_MAX_MPLS_LABELS
]; /* Out stack in host byte order. */
50 uint32_t mpls_stack_depth
; /* Out stack depth. */
51 bool mpls_err
; /* MPLS actions parse failure. */
54 struct dpif_sflow
*dpif_sflow_create(void);
55 struct dpif_sflow
*dpif_sflow_ref(const struct dpif_sflow
*);
56 void dpif_sflow_unref(struct dpif_sflow
*);
58 uint32_t dpif_sflow_get_probability(const struct dpif_sflow
*);
60 void dpif_sflow_set_options(struct dpif_sflow
*,
61 const struct ofproto_sflow_options
*);
62 void dpif_sflow_clear(struct dpif_sflow
*);
63 bool dpif_sflow_is_enabled(const struct dpif_sflow
*);
65 void dpif_sflow_add_port(struct dpif_sflow
*ds
, struct ofport
*ofport
,
67 void dpif_sflow_del_port(struct dpif_sflow
*, odp_port_t odp_port
);
69 void dpif_sflow_run(struct dpif_sflow
*);
70 void dpif_sflow_wait(struct dpif_sflow
*);
72 void dpif_sflow_read_actions(const struct flow
*,
73 const struct nlattr
*actions
, size_t actions_len
,
74 struct dpif_sflow_actions
*);
76 void dpif_sflow_received(struct dpif_sflow
*, const struct dp_packet
*,
77 const struct flow
*, odp_port_t odp_port
,
78 const union user_action_cookie
*,
79 const struct dpif_sflow_actions
*);
81 int dpif_sflow_odp_port_to_ifindex(const struct dpif_sflow
*,
84 #endif /* ofproto/ofproto-dpif-sflow.h */