/*
* 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.
*/
#include <sys/types.h>
#include <sys/stropts.h>
#include <sys/stream.h>
#include <sys/socket.h>
#include <net/if.h>
#define SOL2
#include <net/ppp_defs.h>
#include <net/pppio.h>
#include <net/sppptun.h>
#include <netinet/in.h>
#include <netinet/ip6.h>
#include <inet/common.h>
#include <inet/mib2.h>
#include <inet/ip.h>
#include <inet/ip6.h>
#include <sppp/sppp.h>
#include <sppptun/sppptun_impl.h>
#include <mdb/mdb_modapi.h>
#include <mdb/mdb_ks.h>
#include <stdio.h>
/* ****************** sppp ****************** */
static int
sppp_walk_init(mdb_walk_state_t *wsp)
{
if (mdb_readvar(&wsp->walk_addr, "sps_list") == -1) {
mdb_warn("failed to read sps_list");
return (WALK_ERR);
}
return (WALK_NEXT);
}
static int
sppp_walk_step(mdb_walk_state_t *wsp)
{
spppstr_t sps;
int status;
if (wsp->walk_addr == NULL)
return (WALK_DONE);
if (mdb_vread(&sps, sizeof (sps), wsp->walk_addr) == -1) {
mdb_warn("can't read spppstr_t at %p", wsp->walk_addr);
return (WALK_ERR);
}
status = (wsp->walk_callback(wsp->walk_addr, &sps, wsp->walk_cbdata));
wsp->walk_addr = (uintptr_t)sps.sps_nextmn;
return (status);
}
static int
sps_format(uintptr_t addr, const spppstr_t *sps, uint_t *qfmt)
{
sppa_t ppa;
queue_t upq;
uintptr_t upaddr, illaddr;
ill_t ill;
ipif_t ipif;
mdb_printf("%?p ", addr);
if (*qfmt)
mdb_printf("%?p ", sps->sps_rq);
if (sps->sps_ppa == NULL) {
mdb_printf("? unset ");
} else if (mdb_vread(&ppa, sizeof (ppa), (uintptr_t)sps->sps_ppa) ==
-1) {
mdb_printf("? ?%p ", sps->sps_ppa);
} else {
mdb_printf("%-6d sppp%-5d ", ppa.ppa_zoneid, ppa.ppa_ppa_id);
}
if (IS_SPS_CONTROL(sps)) {
mdb_printf("Control\n");
} else if (IS_SPS_PIOATTACH(sps)) {
mdb_printf("Stats\n");
} else if (sps->sps_dlstate == DL_UNATTACHED) {
mdb_printf("Unknown\n");
} else if (sps->sps_dlstate != DL_IDLE) {
mdb_printf("DLPI Unbound\n");
} else {
upaddr = (uintptr_t)sps->sps_rq;
upq.q_ptr = NULL;
illaddr = 0;
while (upaddr != NULL) {
if (mdb_vread(&upq, sizeof (upq), upaddr) == -1) {
upq.q_ptr = NULL;
break;
}
if ((upaddr = (uintptr_t)upq.q_next) != 0)
illaddr = (uintptr_t)upq.q_ptr;
}
if (illaddr != 0) {
if (mdb_vread(&ill, sizeof (ill), illaddr) == -1 ||
mdb_vread(&ipif, sizeof (ipif),
(uintptr_t)ill.ill_ipif) == -1) {
illaddr = 0;
}
}
switch (sps->sps_req_sap) {
case ETHERTYPE_IP:
mdb_printf("DLPI IPv4 ");
if (*qfmt) {
mdb_printf("\n");
} else if (illaddr == 0) {
mdb_printf("(no addresses)\n");
} else {
/*
* SCCS oddity here -- % <capital> %
* suffers from keyword replacement.
* Avoid that by using ANSI string
* pasting.
*/
mdb_printf("%I:%I" "%s\n",
ipif.ipif_lcl_addr, ipif.ipif_pp_dst_addr,
(ipif.ipif_next ? " ..." : ""));
}
break;
case ETHERTYPE_IPV6:
mdb_printf("DLPI IPv6 ");
if (*qfmt) {
mdb_printf("\n");
break;
}
if (illaddr == 0) {
mdb_printf("(no addresses)\n");
break;
}
mdb_printf("%N\n%?s%21s", &ipif.ipif_v6lcl_addr,
"", "");
mdb_printf("%N\n", &ipif.ipif_v6pp_dst_addr);
break;
case ETHERTYPE_ALLSAP:
mdb_printf("DLPI Snoop\n");
break;
default:
mdb_printf("DLPI SAP 0x%04X\n", sps->sps_req_sap);
break;
}
}
return (WALK_NEXT);
}
static int
sppp(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
uint_t qfmt = FALSE;
spppstr_t sps;
if (mdb_getopts(argc, argv, 'q', MDB_OPT_SETBITS, TRUE, &qfmt, NULL) !=
argc)
return (DCMD_USAGE);
if ((flags & DCMD_LOOPFIRST) || !(flags & DCMD_LOOP)) {
if (qfmt) {
mdb_printf("%<u>%?s %?s %-6s %-9s %s%</u>\n", "Address",
"RecvQ", "ZoneID", "Interface", "Type");
} else {
mdb_printf("%<u>%?s %-6s %-9s %s%</u>\n", "Address",
"ZoneID", "Interface", "Type");
}
}
if (flags & DCMD_ADDRSPEC) {
(void) mdb_vread(&sps, sizeof (sps), addr);
(void) sps_format(addr, &sps, &qfmt);
} else if (mdb_walk("sppp", (mdb_walk_cb_t)sps_format, &qfmt) == -1) {
mdb_warn("failed to walk sps_list");
return (DCMD_ERR);
}
return (DCMD_OK);
}
static int
sppa_walk_init(mdb_walk_state_t *wsp)
{
if (mdb_readvar(&wsp->walk_addr, "ppa_list") == -1) {
mdb_warn("failed to read ppa_list");
return (WALK_ERR);
}
return (WALK_NEXT);
}
static int
sppa_walk_step(mdb_walk_state_t *wsp)
{
sppa_t ppa;
int status;
if (wsp->walk_addr == NULL)
return (WALK_DONE);
if (mdb_vread(&ppa, sizeof (ppa), wsp->walk_addr) == -1) {
mdb_warn("can't read spppstr_t at %p", wsp->walk_addr);
return (WALK_ERR);
}
status = (wsp->walk_callback(wsp->walk_addr, &ppa, wsp->walk_cbdata));
wsp->walk_addr = (uintptr_t)ppa.ppa_nextppa;
return (status);
}
/* ARGSUSED */
static int
ppa_format(uintptr_t addr, const sppa_t *ppa, uint_t *qfmt)
{
mdb_printf("%?p %-6d sppp%-5d %?p %?p\n", addr, ppa->ppa_zoneid,
ppa->ppa_ppa_id, ppa->ppa_ctl, ppa->ppa_lower_wq);
return (WALK_NEXT);
}
/* ARGSUSED */
static int
sppa(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
uint_t qfmt = FALSE;
sppa_t ppa;
if ((flags & DCMD_LOOPFIRST) || !(flags & DCMD_LOOP)) {
mdb_printf("%<u>%?s %-6s %-9s %?s %?s%</u>\n", "Address",
"ZoneID", "Interface", "Control", "LowerQ");
}
if (flags & DCMD_ADDRSPEC) {
(void) mdb_vread(&ppa, sizeof (ppa), addr);
(void) ppa_format(addr, &ppa, &qfmt);
} else if (mdb_walk("sppa", (mdb_walk_cb_t)ppa_format, &qfmt) == -1) {
mdb_warn("failed to walk ppa_list");
return (DCMD_ERR);
}
return (DCMD_OK);
}
static void
sppp_qinfo(const queue_t *q, char *buf, size_t nbytes)
{
spppstr_t sps;
sppa_t ppa;
if (mdb_vread(&sps, sizeof (sps), (uintptr_t)q->q_ptr) ==
sizeof (sps)) {
if (sps.sps_ppa == NULL ||
mdb_vread(&ppa, sizeof (ppa), (uintptr_t)sps.sps_ppa) ==
-1) {
(void) mdb_snprintf(buf, nbytes, "minor %d",
sps.sps_mn_id);
} else {
(void) mdb_snprintf(buf, nbytes, "sppp%d",
ppa.ppa_ppa_id);
}
}
}
static uintptr_t
sppp_rnext(const queue_t *q)
{
spppstr_t sps;
if (mdb_vread(&sps, sizeof (sps), (uintptr_t)q->q_ptr) == sizeof (sps))
return ((uintptr_t)sps.sps_rq);
return (NULL);
}
static uintptr_t
sppp_wnext(const queue_t *q)
{
spppstr_t sps;
sppa_t ppa;
if (mdb_vread(&sps, sizeof (sps), (uintptr_t)q->q_ptr) != sizeof (sps))
return (NULL);
if (sps.sps_ppa != NULL &&
mdb_vread(&ppa, sizeof (ppa), (uintptr_t)sps.sps_ppa) ==
sizeof (ppa))
return ((uintptr_t)ppa.ppa_lower_wq);
return (NULL);
}
/* ****************** sppptun ****************** */
struct tcl_walk_data {
size_t tcl_nslots;
size_t walkpos;
tuncl_t *tcl_slots[1];
};
static void
tuncl_walk_fini(mdb_walk_state_t *wsp)
{
struct tcl_walk_data *twd;
if (wsp != NULL && wsp->walk_addr != 0) {
twd = (struct tcl_walk_data *)wsp->walk_addr;
mdb_free(twd, sizeof (*twd) + ((twd->tcl_nslots - 1) *
sizeof (twd->tcl_slots[0])));
wsp->walk_addr = 0;
}
}
static int
tuncl_walk_init(mdb_walk_state_t *wsp)
{
size_t tcl_nslots;
tuncl_t **tcl_slots;
struct tcl_walk_data *twd;
if (wsp == NULL)
return (WALK_ERR);
if (wsp->walk_addr != 0)
tuncl_walk_fini(wsp);
if (mdb_readvar(&tcl_nslots, "tcl_nslots") == -1) {
mdb_warn("failed to read tcl_nslots");
return (WALK_ERR);
}
if (tcl_nslots == 0)
return (WALK_DONE);
if (mdb_readvar(&tcl_slots, "tcl_slots") == -1) {
mdb_warn("failed to read tcl_slots");
return (WALK_ERR);
}
twd = (struct tcl_walk_data *)mdb_alloc(sizeof (*twd) +
(tcl_nslots - 1) * sizeof (*tcl_slots), UM_NOSLEEP);
if (twd == NULL)
return (WALK_ERR);
twd->tcl_nslots = tcl_nslots;
twd->walkpos = 0;
wsp->walk_addr = (uintptr_t)twd;
if (mdb_vread(twd->tcl_slots, tcl_nslots * sizeof (twd->tcl_slots[0]),
(uintptr_t)tcl_slots) == -1) {
mdb_warn("can't read tcl_slots at %p", tcl_slots);
tuncl_walk_fini(wsp);
return (WALK_ERR);
}
return (WALK_NEXT);
}
static int
tuncl_walk_step(mdb_walk_state_t *wsp)
{
tuncl_t tcl;
int status;
struct tcl_walk_data *twd;
uintptr_t addr;
if (wsp == NULL || wsp->walk_addr == NULL)
return (WALK_DONE);
twd = (struct tcl_walk_data *)wsp->walk_addr;
while (twd->walkpos < twd->tcl_nslots &&
twd->tcl_slots[twd->walkpos] == NULL)
twd->walkpos++;
if (twd->walkpos >= twd->tcl_nslots)
return (WALK_DONE);
addr = (uintptr_t)twd->tcl_slots[twd->walkpos];
if (mdb_vread(&tcl, sizeof (tcl), addr) == -1) {
mdb_warn("can't read tuncl_t at %p", addr);
return (WALK_ERR);
}
status = wsp->walk_callback(addr, &tcl, wsp->walk_cbdata);
twd->walkpos++;
return (status);
}
/* ARGSUSED */
static int
tuncl_format(uintptr_t addr, const tuncl_t *tcl, uint_t *qfmt)
{
mdb_printf("%?p %-6d %?p %?p", addr, tcl->tcl_zoneid, tcl->tcl_data_tll,
tcl->tcl_ctrl_tll);
mdb_printf(" %-2d %04X %04X ", tcl->tcl_style,
tcl->tcl_lsessid, tcl->tcl_rsessid);
if (tcl->tcl_flags & TCLF_DAEMON) {
mdb_printf("<daemon>\n");
} else {
mdb_printf("sppp%d\n", tcl->tcl_unit);
}
return (WALK_NEXT);
}
/* ARGSUSED */
static int
tuncl(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
uint_t qfmt = FALSE;
tuncl_t tcl;
if ((flags & DCMD_LOOPFIRST) || !(flags & DCMD_LOOP)) {
mdb_printf("%<u>%?s %-6s %?s %?s Ty LSes RSes %s%</u>\n",
"Address", "ZoneID", "Data", "Control", "Interface");
}
if (flags & DCMD_ADDRSPEC) {
if (mdb_vread(&tcl, sizeof (tcl), addr) == -1)
mdb_warn("failed to read tuncl_t at %p", addr);
else
tuncl_format(addr, &tcl, &qfmt);
} else if (mdb_walk("tuncl", (mdb_walk_cb_t)tuncl_format, &qfmt) ==
-1) {
mdb_warn("failed to walk tcl_slots");
return (DCMD_ERR);
}
return (DCMD_OK);
}
struct tll_walk_data {
void *listhead;
void *next;
};
static void
tunll_walk_fini(mdb_walk_state_t *wsp)
{
struct tll_walk_data *twd;
if (wsp != NULL && wsp->walk_addr != 0) {
twd = (struct tll_walk_data *)wsp->walk_addr;
mdb_free(twd, sizeof (*twd));
wsp->walk_addr = 0;
}
}
static int
tunll_walk_init(mdb_walk_state_t *wsp)
{
GElf_Sym sym;
struct tll_walk_data *twd;
struct qelem tunll_list;
if (wsp->walk_addr != 0)
tunll_walk_fini(wsp);
if (mdb_lookup_by_obj("sppptun", "tunll_list", &sym) != 0) {
mdb_warn("failed to find tunll_list");
return (WALK_ERR);
}
if (mdb_vread(&tunll_list, sizeof (tunll_list),
(uintptr_t)sym.st_value) == -1) {
mdb_warn("can't read tunll_list at %p",
(uintptr_t)sym.st_value);
return (WALK_ERR);
}
twd = (struct tll_walk_data *)mdb_alloc(sizeof (*twd), UM_NOSLEEP);
if (twd == NULL)
return (WALK_ERR);
twd->listhead = (void *)(uintptr_t)sym.st_value;
twd->next = (void *)tunll_list.q_forw;
wsp->walk_addr = (uintptr_t)twd;
return (WALK_NEXT);
}
static int
tunll_walk_step(mdb_walk_state_t *wsp)
{
struct tll_walk_data *twd;
tunll_t tll;
int status;
uintptr_t addr;
if (wsp == NULL || wsp->walk_addr == 0)
return (WALK_DONE);
twd = (struct tll_walk_data *)wsp->walk_addr;
if (twd->next == NULL || twd->next == twd->listhead)
return (WALK_DONE);
/* LINTED */
addr = (uintptr_t)TO_TLL(twd->next);
if (mdb_vread(&tll, sizeof (tll), addr) == -1) {
mdb_warn("can't read tunll_t at %p", addr);
return (WALK_ERR);
}
status = wsp->walk_callback(addr, &tll, wsp->walk_cbdata);
twd->next = (void *)tll.tll_next;
return (status);
}
/* ARGSUSED */
static int
tunll_format(uintptr_t addr, const tunll_t *tll, uint_t *qfmt)
{
mdb_printf("%?p %-6d %-14s %?p", addr, tll->tll_zoneid, tll->tll_name,
tll->tll_defcl);
if (tll->tll_style == PTS_PPPOE) {
mdb_printf(" %x:%x:%x:%x:%x:%x",
tll->tll_lcladdr.pta_pppoe.ptma_mac[0],
tll->tll_lcladdr.pta_pppoe.ptma_mac[1],
tll->tll_lcladdr.pta_pppoe.ptma_mac[2],
tll->tll_lcladdr.pta_pppoe.ptma_mac[3],
tll->tll_lcladdr.pta_pppoe.ptma_mac[4],
tll->tll_lcladdr.pta_pppoe.ptma_mac[5]);
}
mdb_printf("\n");
return (WALK_NEXT);
}
/* ARGSUSED */
static int
tunll(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
uint_t qfmt = FALSE;
tunll_t tll;
if ((flags & DCMD_LOOPFIRST) || !(flags & DCMD_LOOP)) {
mdb_printf("%<u>%?s %-6s %-14s %?s %s%</u>\n", "Address",
"ZoneID", "Interface Name", "Daemon", "Local Address");
}
if (flags & DCMD_ADDRSPEC) {
if (mdb_vread(&tll, sizeof (tll), addr) == -1)
mdb_warn("failed to read tunll_t at %p", addr);
else
tunll_format(addr, &tll, &qfmt);
} else if (mdb_walk("tunll", (mdb_walk_cb_t)tunll_format, &qfmt) ==
-1) {
mdb_warn("failed to walk tunll_list");
return (DCMD_ERR);
}
return (DCMD_OK);
}
union tun_state {
uint32_t tunflags;
tuncl_t tcl;
tunll_t tll;
};
static int
tun_state_read(void *ptr, union tun_state *ts)
{
/*
* First, get the flags on this structure. This is either a
* tuncl_t or a tunll_t.
*/
if (mdb_vread(&ts->tunflags, sizeof (ts->tunflags), (uintptr_t)ptr) ==
sizeof (ts->tunflags)) {
if (ts->tunflags & TCLF_ISCLIENT) {
if (mdb_vread(&ts->tcl, sizeof (ts->tcl),
(uintptr_t)ptr) == sizeof (ts->tcl)) {
return (0);
}
} else {
if (mdb_vread(&ts->tll, sizeof (ts->tll),
(uintptr_t)ptr) == sizeof (ts->tll)) {
return (0);
}
}
}
return (-1);
}
static void
sppptun_qinfo(const queue_t *q, char *buf, size_t nbytes)
{
union tun_state ts;
if (tun_state_read(q->q_ptr, &ts) == -1)
return;
if (ts.tcl.tcl_flags & TCLF_ISCLIENT)
mdb_snprintf(buf, nbytes, "sppp%d client %04X",
ts.tcl.tcl_unit, ts.tcl.tcl_lsessid);
else
mdb_snprintf(buf, nbytes, "%s", ts.tll.tll_name);
}
static uintptr_t
sppptun_rnext(const queue_t *q)
{
union tun_state ts;
if (tun_state_read(q->q_ptr, &ts) == -1)
return (NULL);
if (ts.tcl.tcl_flags & TCLF_ISCLIENT) {
return ((uintptr_t)ts.tcl.tcl_rq);
} else {
/* Not quite right, but ... */
return ((uintptr_t)ts.tll.tll_defcl);
}
}
static uintptr_t
sppptun_wnext(const queue_t *q)
{
union tun_state ts;
if (tun_state_read(q->q_ptr, &ts) == -1)
return (NULL);
if (ts.tcl.tcl_flags & TCLF_ISCLIENT) {
if (ts.tcl.tcl_data_tll == NULL)
return (NULL);
if (mdb_vread(&ts.tll, sizeof (ts.tll),
(uintptr_t)ts.tcl.tcl_data_tll) != sizeof (ts.tll)) {
return (NULL);
}
}
return ((uintptr_t)ts.tll.tll_wq);
}
static const mdb_dcmd_t dcmds[] = {
{ "sppp", "[-q]", "display PPP stream state structures", sppp },
{ "sppa", "", "display PPP attachment state structures", sppa },
{ "tuncl", "", "display sppptun client stream state structures",
tuncl },
{ "tunll", "", "display sppptun lower stream state structures",
tunll },
{ NULL }
};
static const mdb_walker_t walkers[] = {
{ "sppp", "walk active spppstr_t structures",
sppp_walk_init, sppp_walk_step, NULL },
{ "sppa", "walk active sppa_t structures",
sppa_walk_init, sppa_walk_step, NULL },
{ "tuncl", "walk active tuncl_t structures",
tuncl_walk_init, tuncl_walk_step, tuncl_walk_fini },
{ "tunll", "walk active tunll_t structures",
tunll_walk_init, tunll_walk_step, tunll_walk_fini },
{ NULL }
};
static const mdb_qops_t sppp_qops = { sppp_qinfo, sppp_rnext, sppp_wnext };
static const mdb_qops_t sppptun_qops = {
sppptun_qinfo, sppptun_rnext, sppptun_wnext
};
static const mdb_modinfo_t modinfo = { MDB_API_VERSION, dcmds, walkers };
const mdb_modinfo_t *
_mdb_init(void)
{
GElf_Sym sym;
if (mdb_lookup_by_obj("sppp", "sppp_uwinit", &sym) == 0)
mdb_qops_install(&sppp_qops, (uintptr_t)sym.st_value);
if (mdb_lookup_by_obj("sppptun", "sppptun_uwinit", &sym) == 0)
mdb_qops_install(&sppptun_qops, (uintptr_t)sym.st_value);
return (&modinfo);
}
void
_mdb_fini(void)
{
GElf_Sym sym;
if (mdb_lookup_by_obj("sppptun", "sppptun_uwinit", &sym) == 0)
mdb_qops_remove(&sppptun_qops, (uintptr_t)sym.st_value);
if (mdb_lookup_by_obj("sppp", "sppp_uwinit", &sym) == 0)
mdb_qops_remove(&sppp_qops, (uintptr_t)sym.st_value);
}