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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* This file include definition of message passed from hook provider
* to hook consumer. If necessary, each hook provider can add its
* own message definition here.
*/
#ifndef _SYS_HOOK_EVENT_H
#define _SYS_HOOK_EVENT_H
#include <sys/neti.h>
#include <sys/hook.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* The hook_pkt_event_t structure is supplied with packet events on
* associated network interfaces.
*
* The members of this structure are defined as follows:
* hpe_protocol - protocol identifier that indicates which protocol the
* header data is associated with.
* hpe_ifp - "in" interface for packets coming into the system or forwarded
* hpe_ofp - "out" interface for packets being transmitted or forwarded
* hpe_hdr - pointer to protocol header within the packet
* hpe_mp - pointer to the mblk pointer starting the chain for this packet
* hpe_mb - pointer to the mblk that contains hpe_hdr
*/
typedef struct hook_pkt_event {
net_handle_t hpe_protocol;
phy_if_t hpe_ifp;
phy_if_t hpe_ofp;
void *hpe_hdr;
mblk_t **hpe_mp;
mblk_t *hpe_mb;
int hpe_flags;
void *hpe_reserved[2];
} hook_pkt_event_t;
#define HPE_MULTICAST 0x01
#define HPE_BROADCAST 0x02
/*
* NIC events hook provider
*/
typedef enum nic_event {
NE_PLUMB = 1,
NE_UNPLUMB,
NE_UP,
NE_DOWN,
NE_ADDRESS_CHANGE,
NE_LIF_UP,
NE_LIF_DOWN,
NE_IFINDEX_CHANGE
} nic_event_t;
typedef void *nic_event_data_t;
/*
* The hook_nic_event data structure is provided with all network interface
* events.
*
* hne_protocol- network protocol for events, returned from net_lookup
* hne_nic - physical interface associated with event
* hne_lif - logical interface (if any) associated with event
* hne_event - type of event occuring
* hne_data - pointer to extra data about event or NULL if none
* hne_datalen - size of data pointed to by hne_data (can be 0)
*/
typedef struct hook_nic_event {
net_handle_t hne_protocol;
phy_if_t hne_nic;
lif_if_t hne_lif;
nic_event_t hne_event;
nic_event_data_t hne_data;
size_t hne_datalen;
} hook_nic_event_t;
/*
* This structure is used internally by ip to queue events.
*/
struct hook_nic_event_int {
netstackid_t hnei_stackid;
hook_nic_event_t hnei_event;
};
typedef struct hook_nic_event_int hook_nic_event_int_t;
/*
* This structure holds the data passed back from the ip module to
* observability consumers.
*
* Externally exposed fields, that must match the order and size of
* dl_ipnetinfo_t in <sys/dlpi.h> are:
* hpo_version Version number for this header
* hpo_family Address family of the attached packet
* hpo_htype IPobs hook type
* hpo_pktlen Length of the attached packet
* hpo_ifindex Interface index that the packet was received/sent over.
* For local packets, this is the index of the interface
* associated with the local destination address.
* hpo_grifindex IPMP group interface index (zero unless ihd_ifindex
* is an IPMP underlying interface).
* hpo_zsrc Source zoneid; set to ALL_ZONES when unknown.
* hpo_zdst Destination zoneid; set to ALL_ZONES when unknown.
*
* Fields used internally are:
* hpo_pkt Pointer to the mblk_t containig this structure with
* the real packet found at b_cont
*/
typedef struct hook_pkt_observe_s {
uint8_t hpo_version;
uint8_t hpo_family;
uint16_t hpo_htype;
uint32_t hpo_pktlen;
uint32_t hpo_ifindex;
uint32_t hpo_grifindex;
uint32_t hpo_zsrc;
uint32_t hpo_zdst;
/*
* Fields used internally are below.
*/
mblk_t *hpo_pkt;
void *hpo_ctx;
} hook_pkt_observe_t;
/*
* ipobs_hooktype_t describes the hook types supported
* by the ip module. IPOBS_HOOK_LOCAL refers to packets
* which are looped back internally within the ip module.
*/
typedef enum ipobs_hook_type {
IPOBS_HOOK_INBOUND = 0,
IPOBS_HOOK_OUTBOUND = 1,
IPOBS_HOOK_LOCAL = 2
} ipobs_hook_type_t;
#ifdef __cplusplus
}
#endif
#endif /* _SYS_HOOK_EVENT_H */
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