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