diff options
Diffstat (limited to 'freebsd/sys/netinet/netdump/netdump.h')
| -rw-r--r-- | freebsd/sys/netinet/netdump/netdump.h | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/freebsd/sys/netinet/netdump/netdump.h b/freebsd/sys/netinet/netdump/netdump.h new file mode 100644 index 00000000..12a527ee --- /dev/null +++ b/freebsd/sys/netinet/netdump/netdump.h @@ -0,0 +1,132 @@ +/*- + * 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_ */ |