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/*-
* Copyright (c) 2005-2014 Sandvine Incorporated
* Copyright (c) 2000 Darrell Anderson <anderson@cs.duke.edu>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _NETINET_NETDUMP_H_
#define _NETINET_NETDUMP_H_
#include <sys/types.h>
#include <sys/disk.h>
#include <sys/ioccom.h>
#include <net/if.h>
#include <netinet/in.h>
#define NETDUMP_PORT 20023 /* Server UDP port for heralds. */
#define NETDUMP_ACKPORT 20024 /* Client UDP port for acks. */
#define NETDUMP_HERALD 1 /* Broadcast before starting a dump. */
#define NETDUMP_FINISHED 2 /* Send after finishing a dump. */
#define NETDUMP_VMCORE 3 /* Contains dump data. */
#define NETDUMP_KDH 4 /* Contains kernel dump header. */
#define NETDUMP_EKCD_KEY 5 /* Contains kernel dump key. */
#define NETDUMP_DATASIZE 4096 /* Arbitrary packet size limit. */
struct netdump_msg_hdr {
uint32_t mh_type; /* Netdump message type. */
uint32_t mh_seqno; /* Match acks with msgs. */
uint64_t mh_offset; /* vmcore offset (bytes). */
uint32_t mh_len; /* Attached data (bytes). */
uint32_t mh__pad;
} __packed;
struct netdump_ack {
uint32_t na_seqno; /* Match acks with msgs. */
} __packed;
struct netdump_conf {
#ifndef __rtems__
struct diocskerneldump_arg ndc_kda;
#endif /* __rtems__ */
char ndc_iface[IFNAMSIZ];
struct in_addr ndc_server;
struct in_addr ndc_client;
struct in_addr ndc_gateway;
};
#define _PATH_NETDUMP "/dev/netdump"
#define NETDUMPGCONF _IOR('n', 1, struct netdump_conf)
#define NETDUMPSCONF _IOW('n', 2, struct netdump_conf)
#ifdef _KERNEL
#ifdef NETDUMP
#define NETDUMP_MAX_IN_FLIGHT 64
enum netdump_ev {
NETDUMP_START,
NETDUMP_END,
};
struct ifnet;
struct mbuf;
void netdump_reinit(struct ifnet *);
typedef void netdump_init_t(struct ifnet *, int *nrxr, int *ncl, int *clsize);
typedef void netdump_event_t(struct ifnet *, enum netdump_ev);
typedef int netdump_transmit_t(struct ifnet *, struct mbuf *);
typedef int netdump_poll_t(struct ifnet *, int);
struct netdump_methods {
netdump_init_t *nd_init;
netdump_event_t *nd_event;
netdump_transmit_t *nd_transmit;
netdump_poll_t *nd_poll;
};
#define NETDUMP_DEFINE(driver) \
static netdump_init_t driver##_netdump_init; \
static netdump_event_t driver##_netdump_event; \
static netdump_transmit_t driver##_netdump_transmit; \
static netdump_poll_t driver##_netdump_poll; \
\
static struct netdump_methods driver##_netdump_methods = { \
.nd_init = driver##_netdump_init, \
.nd_event = driver##_netdump_event, \
.nd_transmit = driver##_netdump_transmit, \
.nd_poll = driver##_netdump_poll, \
}
#define NETDUMP_REINIT(ifp) netdump_reinit(ifp)
#define NETDUMP_SET(ifp, driver) \
(ifp)->if_netdump_methods = &driver##_netdump_methods
#else /* !NETDUMP */
#define NETDUMP_DEFINE(driver)
#define NETDUMP_REINIT(ifp)
#define NETDUMP_SET(ifp, driver)
#endif /* NETDUMP */
#endif /* _KERNEL */
#endif /* _NETINET_NETDUMP_H_ */
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