#include <sys/types.h>
#include <sys/stream.h>
#include <sys/mdb_modapi.h>
#include <sys/socket.h>
#include <sys/list.h>
#include <sys/strsun.h>
#include <mdb/mdb_stdlib.h>
#include <netinet/in.h>
#include <netinet/ip6.h>
#include <netinet/sctp.h>
#include <inet/common.h>
#include <inet/ip.h>
#include <inet/ip6.h>
#include <inet/ipclassifier.h>
#include <sctp/sctp_impl.h>
#include <sctp/sctp_addr.h>
#define MDB_SCTP_SHOW_FLAGS 0x1
#define MDB_SCTP_DUMP_ADDRS 0x2
#define MDB_SCTP_SHOW_HASH 0x4
#define MDB_SCTP_SHOW_OUT 0x8
#define MDB_SCTP_SHOW_IN 0x10
#define MDB_SCTP_SHOW_MISC 0x20
#define MDB_SCTP_SHOW_RTT 0x40
#define MDB_SCTP_SHOW_STATS 0x80
#define MDB_SCTP_SHOW_FLOW 0x100
#define MDB_SCTP_SHOW_HDR 0x200
#define MDB_SCTP_SHOW_PMTUD 0x400
#define MDB_SCTP_SHOW_RXT 0x800
#define MDB_SCTP_SHOW_CONN 0x1000
#define MDB_SCTP_SHOW_CLOSE 0x2000
#define MDB_SCTP_SHOW_EXT 0x4000
#define MDB_SCTP_SHOW_ALL 0xffffffff
#define list_object(a, node) ((void *)(((char *)node) - (a)->list_offset))
static int
ns_to_stackid(uintptr_t kaddr)
{
netstack_t nss;
if (mdb_vread(&nss, sizeof (nss), kaddr) == -1) {
mdb_warn("failed to read netdstack info %p", kaddr);
return (0);
}
return (nss.netstack_stackid);
}
int
sctp_stacks_walk_init(mdb_walk_state_t *wsp)
{
if (mdb_layered_walk("netstack", wsp) == -1) {
mdb_warn("can't walk 'netstack'");
return (WALK_ERR);
}
return (WALK_NEXT);
}
int
sctp_stacks_walk_step(mdb_walk_state_t *wsp)
{
uintptr_t kaddr;
netstack_t nss;
if (mdb_vread(&nss, sizeof (nss), wsp->walk_addr) == -1) {
mdb_warn("can't read netstack at %p", wsp->walk_addr);
return (WALK_ERR);
}
kaddr = (uintptr_t)nss.netstack_modules[NS_SCTP];
return (wsp->walk_callback(kaddr, wsp->walk_layer, wsp->walk_cbdata));
}
static char *
sctp_faddr_state(int state)
{
char *statestr;
switch (state) {
case SCTP_FADDRS_UNREACH:
statestr = "Unreachable";
break;
case SCTP_FADDRS_DOWN:
statestr = "Down";
break;
case SCTP_FADDRS_ALIVE:
statestr = "Alive";
break;
case SCTP_FADDRS_UNCONFIRMED:
statestr = "Unconfirmed";
break;
default:
statestr = "Unknown";
break;
}
return (statestr);
}
static int
sctp_faddr(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
sctp_faddr_t fa[1];
char *statestr;
if (!(flags & DCMD_ADDRSPEC))
return (DCMD_USAGE);
if (mdb_vread(fa, sizeof (*fa), addr) == -1) {
mdb_warn("cannot read fadder at %p", addr);
return (DCMD_ERR);
}
statestr = sctp_faddr_state(fa->sf_state);
mdb_printf("%<u>%p\t%<b>%N%</b>\t%s%</u>\n", addr, &fa->sf_faddr,
statestr);
mdb_printf("next\t\t%?p\tsaddr\t%N\n", fa->sf_next, &fa->sf_saddr);
mdb_printf("rto\t\t%?d\tsrtt\t\t%?d\n", fa->sf_rto, fa->sf_srtt);
mdb_printf("rttvar\t\t%?d\trtt_updates\t%?u\n", fa->sf_rttvar,
fa->sf_rtt_updates);
mdb_printf("strikes\t\t%?d\tmax_retr\t%?d\n", fa->sf_strikes,
fa->sf_max_retr);
mdb_printf("hb_expiry\t%?ld\thb_interval\t%?u\n", fa->sf_hb_expiry,
fa->sf_hb_interval);
mdb_printf("pmss\t\t%?u\tcwnd\t\t%?u\n", fa->sf_pmss, fa->sf_cwnd);
mdb_printf("ssthresh\t%?u\tsuna\t\t%?u\n", fa->sf_ssthresh,
fa->sf_suna);
mdb_printf("pba\t\t%?u\tacked\t\t%?u\n", fa->sf_pba, fa->sf_acked);
mdb_printf("lastactive\t%?ld\thb_secret\t%?#lx\n", fa->sf_lastactive,
fa->sf_hb_secret);
mdb_printf("rxt_unacked\t%?u\n", fa->sf_rxt_unacked);
mdb_printf("timer_mp\t%?p\tixa\t\t%?p\n", fa->sf_timer_mp, fa->sf_ixa);
mdb_printf("hb_enabled\t%?d\thb_pending\t%?d\n"
"timer_running\t%?d\tdf\t\t%?d\n"
"pmtu_discovered\t%?d\tisv4\t\t%?d\n"
"retransmissions\t%?u\n",
fa->sf_hb_enabled, fa->sf_hb_pending, fa->sf_timer_running,
fa->sf_df, fa->sf_pmtu_discovered, fa->sf_isv4, fa->sf_T3expire);
return (DCMD_OK);
}
static void
print_set(sctp_set_t *sp)
{
mdb_printf("\tbegin\t%<b>%?x%</b>\t\tend\t%<b>%?x%</b>\n",
sp->begin, sp->end);
mdb_printf("\tnext\t%?p\tprev\t%?p\n", sp->next, sp->prev);
}
static int
sctp_set(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
sctp_set_t sp[1];
if (!(flags & DCMD_ADDRSPEC))
return (DCMD_USAGE);
if (mdb_vread(sp, sizeof (*sp), addr) == -1)
return (DCMD_ERR);
print_set(sp);
return (DCMD_OK);
}
static void
dump_sack_info(uintptr_t addr)
{
sctp_set_t sp[1];
while (addr != 0) {
if (mdb_vread(sp, sizeof (*sp), addr) == -1) {
mdb_warn("failed to read sctp_set at %p", addr);
return;
}
addr = (uintptr_t)sp->next;
print_set(sp);
}
}
static int
dump_msghdr(mblk_t *meta)
{
sctp_msg_hdr_t smh;
if (mdb_vread(&smh, sizeof (smh), (uintptr_t)meta->b_rptr) == -1)
return (-1);
mdb_printf("%<u>msg_hdr_t at \t%?p\tsentto\t%?p%</u>\n",
meta->b_rptr, SCTP_CHUNK_DEST(meta));
mdb_printf("\tttl\t%?ld\ttob\t%?ld\n", smh.smh_ttl, smh.smh_tob);
mdb_printf("\tsid\t%?u\tssn\t%?u\n", smh.smh_sid, smh.smh_ssn);
mdb_printf("\tppid\t%?u\tflags\t%?s\n", smh.smh_ppid,
smh.smh_flags & MSG_UNORDERED ? "unordered" : " ");
mdb_printf("\tcontext\t%?u\tmsglen\t%?d\n", smh.smh_context,
smh.smh_msglen);
return (0);
}
static int
dump_datahdr(mblk_t *mp)
{
sctp_data_hdr_t sdc;
uint16_t sdh_int16;
uint32_t sdh_int32;
if (mdb_vread(&sdc, sizeof (sdc), (uintptr_t)mp->b_rptr) == -1)
return (-1);
mdb_printf("%<u>data_chunk_t \t%?p\tsentto\t%?p%</u>\n",
mp->b_rptr, SCTP_CHUNK_DEST(mp));
mdb_printf("\tsent\t%?d\t", SCTP_CHUNK_ISSENT(mp)?1:0);
mdb_printf("retrans\t%?d\n", SCTP_CHUNK_WANT_REXMIT(mp)?1:0);
mdb_printf("\tacked\t%?d\t", SCTP_CHUNK_ISACKED(mp)?1:0);
mdb_printf("sackcnt\t%?u\n", SCTP_CHUNK_SACKCNT(mp));
mdb_nhconvert(&sdh_int16, &sdc.sdh_len, sizeof (sdc.sdh_len));
mdb_printf("\tlen\t%?d\t", sdh_int16);
mdb_printf("BBIT=%d", SCTP_DATA_GET_BBIT(&sdc) == 0 ? 0 : 1);
mdb_printf("EBIT=%d", SCTP_DATA_GET_EBIT(&sdc) == 0 ? 0 : 1);
mdb_nhconvert(&sdh_int32, &sdc.sdh_tsn, sizeof (sdc.sdh_tsn));
mdb_nhconvert(&sdh_int16, &sdc.sdh_sid, sizeof (sdc.sdh_sid));
mdb_printf("\ttsn\t%?x\tsid\t%?hu\n", sdh_int32, sdh_int16);
mdb_nhconvert(&sdh_int16, &sdc.sdh_ssn, sizeof (sdc.sdh_ssn));
mdb_nhconvert(&sdh_int32, &sdc.sdh_payload_id,
sizeof (sdc.sdh_payload_id));
mdb_printf("\tssn\t%?hu\tppid\t%?d\n", sdh_int16, sdh_int32);
return (0);
}
static int
sctp_sent_list(mblk_t *addr)
{
mblk_t meta, mp;
if (!addr)
return (0);
if (mdb_vread(&meta, sizeof (meta), (uintptr_t)addr) == -1)
return (-1);
for (;;) {
dump_msghdr(&meta);
if (meta.b_cont == NULL) {
mdb_printf("No data chunks with message header!\n");
return (-1);
}
if (mdb_vread(&mp, sizeof (mp),
(uintptr_t)meta.b_cont) == -1) {
return (-1);
}
for (;;) {
dump_datahdr(&mp);
if (!mp.b_next)
break;
if (mdb_vread(&mp, sizeof (mp),
(uintptr_t)(mp.b_next)) == -1)
return (-1);
}
if (meta.b_next == NULL)
break;
if (mdb_vread(&meta, sizeof (meta),
(uintptr_t)meta.b_next) == -1)
return (-1);
}
return (0);
}
static int
sctp_unsent_list(mblk_t *addr)
{
mblk_t meta;
if (!addr)
return (0);
if (mdb_vread(&meta, sizeof (meta), (uintptr_t)addr) == -1)
return (-1);
for (;;) {
dump_msghdr(&meta);
if (meta.b_next == NULL)
break;
if (mdb_vread(&meta, sizeof (meta),
(uintptr_t)meta.b_next) == -1)
return (-1);
}
return (0);
}
static int
sctp_xmit_list(uintptr_t addr, uint_t flags, int ac, const mdb_arg_t *av)
{
sctp_t sctp;
if (!(flags & DCMD_ADDRSPEC))
return (DCMD_USAGE);
if (mdb_vread(&sctp, sizeof (sctp), addr) == -1)
return (DCMD_ERR);
mdb_printf("%<b>Chunkified TX list%</b>\n");
if (sctp_sent_list(sctp.sctp_xmit_head) < 0)
return (DCMD_ERR);
mdb_printf("%<b>Unchunkified TX list%</b>\n");
if (sctp_unsent_list(sctp.sctp_xmit_unsent) < 0)
return (DCMD_ERR);
return (DCMD_OK);
}
static int
sctp_mdata_chunk(uintptr_t addr, uint_t flags, int ac, const mdb_arg_t *av)
{
sctp_data_hdr_t dc;
mblk_t mp;
if (!(flags & DCMD_ADDRSPEC))
return (DCMD_USAGE);
if (mdb_vread(&mp, sizeof (mp), addr) == -1)
return (DCMD_ERR);
if (mdb_vread(&dc, sizeof (dc), (uintptr_t)mp.b_rptr) == -1)
return (DCMD_ERR);
mdb_printf("%<b>%-?p%</b>tsn\t%?x\tsid\t%?hu\n", addr,
dc.sdh_tsn, dc.sdh_sid);
mdb_printf("%-?sssn\t%?hu\tppid\t%?x\n", "", dc.sdh_ssn,
dc.sdh_payload_id);
return (DCMD_OK);
}
static int
sctp_istr_msgs(uintptr_t addr, uint_t flags, int ac, const mdb_arg_t *av)
{
mblk_t istrmp;
mblk_t dmp;
sctp_data_hdr_t dp;
uintptr_t daddr;
uintptr_t chaddr;
boolean_t bbit;
boolean_t ebit;
if (!(flags & DCMD_ADDRSPEC))
return (DCMD_USAGE);
do {
if (mdb_vread(&istrmp, sizeof (istrmp), addr) == -1)
return (DCMD_ERR);
mdb_printf("\tistr mblk at %p: next: %?p\n"
"\t\tprev: %?p\tcont: %?p\n", addr, istrmp.b_next,
istrmp.b_prev, istrmp.b_cont);
daddr = (uintptr_t)&istrmp;
do {
if (mdb_vread(&dmp, sizeof (dmp), daddr) == -1)
break;
chaddr = (uintptr_t)dmp.b_rptr;
if (mdb_vread(&dp, sizeof (dp), chaddr) == -1)
break;
bbit = (SCTP_DATA_GET_BBIT(&dp) != 0);
ebit = (SCTP_DATA_GET_EBIT(&dp) != 0);
mdb_printf("\t\t\ttsn: %x bbit: %d ebit: %d\n",
dp.sdh_tsn, bbit, ebit);
daddr = (uintptr_t)dmp.b_cont;
} while (daddr != 0);
addr = (uintptr_t)istrmp.b_next;
} while (addr != 0);
return (DCMD_OK);
}
static int
sctp_reass_list(uintptr_t addr, uint_t flags, int ac, const mdb_arg_t *av)
{
sctp_reass_t srp;
mblk_t srpmp;
sctp_data_hdr_t dp;
mblk_t dmp;
uintptr_t daddr;
uintptr_t chaddr;
boolean_t bbit, ebit;
if (!(flags & DCMD_ADDRSPEC))
return (DCMD_USAGE);
do {
if (mdb_vread(&srpmp, sizeof (srpmp), addr) == -1)
return (DCMD_ERR);
if (mdb_vread(&srp, sizeof (srp),
(uintptr_t)srpmp.b_datap->db_base) == -1)
return (DCMD_ERR);
mdb_printf("\treassembly mblk at %p: next: %?p\n"
"\t\tprev: %?p\tcont: %?p\n", addr, srpmp.b_next,
srpmp.b_prev, srpmp.b_cont);
mdb_printf("\t\tssn: %hu\tneeded: %hu\tgot: %hu\ttail: %?p\n"
"\t\tpartial_delivered: %s\n", srp.sr_ssn, srp.sr_needed,
srp.sr_got, srp.sr_tail, srp.sr_partial_delivered ? "TRUE" :
"FALSE");
daddr = DB_TYPE(&srpmp) == M_CTL ? (uintptr_t)srpmp.b_cont :
(uintptr_t)&srpmp;
do {
if (mdb_vread(&dmp, sizeof (dmp), daddr) == -1)
break;
chaddr = (uintptr_t)dmp.b_rptr;
if (mdb_vread(&dp, sizeof (dp), chaddr) == -1)
break;
bbit = (SCTP_DATA_GET_BBIT(&dp) != 0);
ebit = (SCTP_DATA_GET_EBIT(&dp) != 0);
mdb_printf("\t\t\ttsn: %x bbit: %d ebit: %d\n",
dp.sdh_tsn, bbit, ebit);
daddr = (uintptr_t)dmp.b_cont;
} while (daddr != 0);
addr = (uintptr_t)srpmp.b_next;
} while (addr != 0);
return (DCMD_OK);
}
static int
sctp_uo_reass_list(uintptr_t addr, uint_t flags, int ac, const mdb_arg_t *av)
{
sctp_data_hdr_t dp;
mblk_t dmp;
uintptr_t chaddr;
boolean_t bbit;
boolean_t ebit;
boolean_t ubit;
if (!(flags & DCMD_ADDRSPEC))
return (DCMD_USAGE);
do {
if (mdb_vread(&dmp, sizeof (dmp), addr) == -1)
return (DCMD_ERR);
mdb_printf("\treassembly mblk at %p: next: %?p\n"
"\t\tprev: %?p\n", addr, dmp.b_next, dmp.b_prev);
chaddr = (uintptr_t)dmp.b_rptr;
if (mdb_vread(&dp, sizeof (dp), chaddr) == -1)
break;
bbit = (SCTP_DATA_GET_BBIT(&dp) != 0);
ebit = (SCTP_DATA_GET_EBIT(&dp) != 0);
ubit = (SCTP_DATA_GET_UBIT(&dp) != 0);
mdb_printf("\t\t\tsid: %hu ssn: %hu tsn: %x "
"flags: %x (U=%d B=%d E=%d)\n", dp.sdh_sid, dp.sdh_ssn,
dp.sdh_tsn, dp.sdh_flags, ubit, bbit, ebit);
addr = (uintptr_t)dmp.b_next;
} while (addr != 0);
return (DCMD_OK);
}
static int
sctp_instr(uintptr_t addr, uint_t flags, int ac, const mdb_arg_t *av)
{
sctp_instr_t sip;
if (!(flags & DCMD_ADDRSPEC))
return (DCMD_USAGE);
if (mdb_vread(&sip, sizeof (sip), addr) == -1)
return (DCMD_ERR);
mdb_printf("%<b>%-?p%</b>\n\tmsglist\t%?p\tnmsgs\t%?d\n"
"\tnextseq\t%?d\treass\t%?p\n", addr, sip.istr_msgs,
sip.istr_nmsgs, sip.nextseq, sip.istr_reass);
mdb_set_dot(addr + sizeof (sip));
return (sctp_reass_list((uintptr_t)sip.istr_reass, flags, ac, av));
}
static const char *
state2str(sctp_t *sctp)
{
switch (sctp->sctp_state) {
case SCTPS_IDLE: return ("SCTPS_IDLE");
case SCTPS_BOUND: return ("SCTPS_BOUND");
case SCTPS_LISTEN: return ("SCTPS_LISTEN");
case SCTPS_COOKIE_WAIT: return ("SCTPS_COOKIE_WAIT");
case SCTPS_COOKIE_ECHOED: return ("SCTPS_COOKIE_ECHOED");
case SCTPS_ESTABLISHED: return ("SCTPS_ESTABLISHED");
case SCTPS_SHUTDOWN_PENDING: return ("SCTPS_SHUTDOWN_PENDING");
case SCTPS_SHUTDOWN_SENT: return ("SCTPS_SHUTDOWN_SENT");
case SCTPS_SHUTDOWN_RECEIVED: return ("SCTPS_SHUTDOWN_RECEIVED");
case SCTPS_SHUTDOWN_ACK_SENT: return ("SCTPS_SHUTDOWN_ACK_SENT");
default: return ("UNKNOWN STATE");
}
}
static void
show_sctp_flags(sctp_t *sctp)
{
mdb_printf("\tunderstands_asconf\t%d\n",
sctp->sctp_understands_asconf);
mdb_printf("\tdebug\t\t\t%d\n", sctp->sctp_connp->conn_debug);
mdb_printf("\tcchunk_pend\t\t%d\n", sctp->sctp_cchunk_pend);
mdb_printf("\tdgram_errind\t\t%d\n",
sctp->sctp_connp->conn_dgram_errind);
mdb_printf("\tlinger\t\t\t%d\n", sctp->sctp_connp->conn_linger);
if (sctp->sctp_lingering)
return;
mdb_printf("\tlingering\t\t%d\n", sctp->sctp_lingering);
mdb_printf("\tloopback\t\t%d\n", sctp->sctp_loopback);
mdb_printf("\tforce_sack\t\t%d\n", sctp->sctp_force_sack);
mdb_printf("\tack_timer_runing\t%d\n", sctp->sctp_ack_timer_running);
mdb_printf("\trecvdstaddr\t\t%d\n",
sctp->sctp_connp->conn_recv_ancillary.crb_recvdstaddr);
mdb_printf("\thwcksum\t\t\t%d\n", sctp->sctp_hwcksum);
mdb_printf("\tunderstands_addip\t%d\n", sctp->sctp_understands_addip);
mdb_printf("\tbound_to_all\t\t%d\n", sctp->sctp_bound_to_all);
mdb_printf("\tcansleep\t\t%d\n", sctp->sctp_cansleep);
mdb_printf("\tdetached\t\t%d\n", sctp->sctp_detached);
mdb_printf("\tsend_adaptation\t\t%d\n", sctp->sctp_send_adaptation);
mdb_printf("\trecv_adaptation\t\t%d\n", sctp->sctp_recv_adaptation);
mdb_printf("\tndelay\t\t\t%d\n", sctp->sctp_ndelay);
mdb_printf("\tcondemned\t\t%d\n", sctp->sctp_condemned);
mdb_printf("\tchk_fast_rexmit\t\t%d\n", sctp->sctp_chk_fast_rexmit);
mdb_printf("\tprsctp_aware\t\t%d\n", sctp->sctp_prsctp_aware);
mdb_printf("\tlinklocal\t\t%d\n", sctp->sctp_linklocal);
mdb_printf("\trexmitting\t\t%d\n", sctp->sctp_rexmitting);
mdb_printf("\tzero_win_probe\t\t%d\n", sctp->sctp_zero_win_probe);
mdb_printf("\trecvsndrcvinfo\t\t%d\n", sctp->sctp_recvsndrcvinfo);
mdb_printf("\trecvassocevnt\t\t%d\n", sctp->sctp_recvassocevnt);
mdb_printf("\trecvpathevnt\t\t%d\n", sctp->sctp_recvpathevnt);
mdb_printf("\trecvsendfailevnt\t%d\n", sctp->sctp_recvsendfailevnt);
mdb_printf("\trecvpeerevnt\t\t%d\n", sctp->sctp_recvpeererr);
mdb_printf("\trecvchutdownevnt\t%d\n", sctp->sctp_recvshutdownevnt);
mdb_printf("\trecvcpdnevnt\t\t%d\n", sctp->sctp_recvpdevnt);
mdb_printf("\trecvcalevnt\t\t%d\n\n", sctp->sctp_recvalevnt);
}
static int
print_saddr(uintptr_t ptr, const void *addr, void *cbdata)
{
sctp_saddr_ipif_t *saddr = (sctp_saddr_ipif_t *)addr;
sctp_ipif_t ipif;
char *statestr;
if (mdb_vread(&ipif, sizeof (ipif), (uintptr_t)saddr->saddr_ipifp) ==
-1) {
mdb_warn("cannot read ipif at %p", saddr->saddr_ipifp);
return (WALK_ERR);
}
switch (ipif.sctp_ipif_state) {
case SCTP_IPIFS_CONDEMNED:
statestr = "Condemned";
break;
case SCTP_IPIFS_INVALID:
statestr = "Invalid";
break;
case SCTP_IPIFS_DOWN:
statestr = "Down";
break;
case SCTP_IPIFS_UP:
statestr = "Up";
break;
default:
statestr = "Unknown";
break;
}
mdb_printf("\t%p\t%N% (%s", saddr->saddr_ipifp, &ipif.sctp_ipif_saddr,
statestr);
if (saddr->saddr_ipif_dontsrc == 1)
mdb_printf("/Dontsrc");
if (saddr->saddr_ipif_unconfirmed == 1)
mdb_printf("/Unconfirmed");
if (saddr->saddr_ipif_delete_pending == 1)
mdb_printf("/DeletePending");
mdb_printf(")\n");
mdb_printf("\t\t\tid %d zoneid %d IPIF flags %x\n",
ipif.sctp_ipif_id,
ipif.sctp_ipif_zoneid, ipif.sctp_ipif_flags);
return (WALK_NEXT);
}
static int
print_faddr(uintptr_t ptr, const void *addr, void *cbdata)
{
char *statestr;
sctp_faddr_t *faddr = (sctp_faddr_t *)addr;
int *i = cbdata;
statestr = sctp_faddr_state(faddr->sf_state);
mdb_printf("\t%d:\t%N\t%?p (%s)\n", (*i)++, &faddr->sf_faddr, ptr,
statestr);
return (WALK_NEXT);
}
int
sctp(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
sctp_t sctps, *sctp;
conn_t conns, *connp;
int i;
uint_t opts = 0;
uint_t paddr = 0;
in_port_t lport, fport;
if (!(flags & DCMD_ADDRSPEC))
return (DCMD_USAGE);
if (mdb_vread(&sctps, sizeof (sctps), addr) == -1) {
mdb_warn("failed to read sctp_t at: %p\n", addr);
return (DCMD_ERR);
}
sctp = &sctps;
if (mdb_vread(&conns, sizeof (conns),
(uintptr_t)sctp->sctp_connp) == -1) {
mdb_warn("failed to read conn_t at: %p\n", sctp->sctp_connp);
return (DCMD_ERR);
}
connp = &conns;
connp->conn_sctp = sctp;
sctp->sctp_connp = connp;
if (mdb_getopts(argc, argv,
'a', MDB_OPT_SETBITS, MDB_SCTP_SHOW_ALL, &opts,
'f', MDB_OPT_SETBITS, MDB_SCTP_SHOW_FLAGS, &opts,
'h', MDB_OPT_SETBITS, MDB_SCTP_SHOW_HASH, &opts,
'o', MDB_OPT_SETBITS, MDB_SCTP_SHOW_OUT, &opts,
'i', MDB_OPT_SETBITS, MDB_SCTP_SHOW_IN, &opts,
'm', MDB_OPT_SETBITS, MDB_SCTP_SHOW_MISC, &opts,
'r', MDB_OPT_SETBITS, MDB_SCTP_SHOW_RTT, &opts,
'S', MDB_OPT_SETBITS, MDB_SCTP_SHOW_STATS, &opts,
'F', MDB_OPT_SETBITS, MDB_SCTP_SHOW_FLOW, &opts,
'H', MDB_OPT_SETBITS, MDB_SCTP_SHOW_HDR, &opts,
'p', MDB_OPT_SETBITS, MDB_SCTP_SHOW_PMTUD, &opts,
'R', MDB_OPT_SETBITS, MDB_SCTP_SHOW_RXT, &opts,
'C', MDB_OPT_SETBITS, MDB_SCTP_SHOW_CONN, &opts,
'c', MDB_OPT_SETBITS, MDB_SCTP_SHOW_CLOSE, &opts,
'e', MDB_OPT_SETBITS, MDB_SCTP_SHOW_EXT, &opts,
'P', MDB_OPT_SETBITS, 1, &paddr,
'd', MDB_OPT_SETBITS, MDB_SCTP_DUMP_ADDRS, &opts,
NULL) != argc) {
return (DCMD_USAGE);
}
if (paddr != 0) {
sctp_faddr_t faddr, *fp;
for (fp = sctp->sctp_faddrs; fp != NULL; fp = faddr.sf_next) {
if (mdb_vread(&faddr, sizeof (faddr), (uintptr_t)fp)
== -1) {
mdb_warn("failed to read faddr at %p",
fp);
return (DCMD_ERR);
}
mdb_printf("%p\n", fp);
}
return (DCMD_OK);
}
mdb_nhconvert(&lport, &connp->conn_lport, sizeof (lport));
mdb_nhconvert(&fport, &connp->conn_fport, sizeof (fport));
mdb_printf("%<u>%p% %22s S=%-6hu D=%-6hu% STACK=%d ZONE=%d%</u>", addr,
state2str(sctp), lport, fport,
ns_to_stackid((uintptr_t)connp->conn_netstack), connp->conn_zoneid);
if (sctp->sctp_faddrs) {
sctp_faddr_t faddr;
if (mdb_vread(&faddr, sizeof (faddr),
(uintptr_t)sctp->sctp_faddrs) != -1)
mdb_printf("%<u> %N%</u>", &faddr.sf_faddr);
}
mdb_printf("\n");
if (opts & MDB_SCTP_DUMP_ADDRS) {
mdb_printf("%<b>Local and Peer Addresses%</b>\n");
mdb_printf("nsaddrs\t\t%?d\n", sctp->sctp_nsaddrs);
(void) mdb_pwalk("sctp_walk_saddr", print_saddr, NULL, addr);
mdb_printf("nfaddrs\t\t%?d\n", sctp->sctp_nfaddrs);
i = 1;
(void) mdb_pwalk("sctp_walk_faddr", print_faddr, &i, addr);
mdb_printf("lastfaddr\t%?p\tprimary\t\t%?p\n",
sctp->sctp_lastfaddr, sctp->sctp_primary);
mdb_printf("current\t\t%?p\tlastdata\t%?p\n",
sctp->sctp_current, sctp->sctp_lastdata);
}
if (opts & MDB_SCTP_SHOW_OUT) {
mdb_printf("%<b>Outbound Data%</b>\n");
mdb_printf("xmit_head\t%?p\txmit_tail\t%?p\n",
sctp->sctp_xmit_head, sctp->sctp_xmit_tail);
mdb_printf("xmit_unsent\t%?p\txmit_unsent_tail%?p\n",
sctp->sctp_xmit_unsent, sctp->sctp_xmit_unsent_tail);
mdb_printf("xmit_unacked\t%?p\n", sctp->sctp_xmit_unacked);
mdb_printf("unacked\t\t%?u\tunsent\t\t%?ld\n",
sctp->sctp_unacked, sctp->sctp_unsent);
mdb_printf("ltsn\t\t%?x\tlastack_rxd\t%?x\n",
sctp->sctp_ltsn, sctp->sctp_lastack_rxd);
mdb_printf("recovery_tsn\t%?x\tadv_pap\t\t%?x\n",
sctp->sctp_recovery_tsn, sctp->sctp_adv_pap);
mdb_printf("num_ostr\t%?hu\tostrcntrs\t%?p\n",
sctp->sctp_num_ostr, sctp->sctp_ostrcntrs);
mdb_printf("pad_mp\t\t%?p\terr_chunks\t%?p\n",
sctp->sctp_pad_mp, sctp->sctp_err_chunks);
mdb_printf("err_len\t\t%?u\n", sctp->sctp_err_len);
mdb_printf("%<b>Default Send Parameters%</b>\n");
mdb_printf("def_stream\t%?u\tdef_flags\t%?x\n",
sctp->sctp_def_stream, sctp->sctp_def_flags);
mdb_printf("def_ppid\t%?x\tdef_context\t%?x\n",
sctp->sctp_def_ppid, sctp->sctp_def_context);
mdb_printf("def_timetolive\t%?u\n",
sctp->sctp_def_timetolive);
}
if (opts & MDB_SCTP_SHOW_IN) {
mdb_printf("%<b>Inbound Data%</b>\n");
mdb_printf("sack_info\t%?p\tsack_gaps\t%?d\n",
sctp->sctp_sack_info, sctp->sctp_sack_gaps);
dump_sack_info((uintptr_t)sctp->sctp_sack_info);
mdb_printf("ftsn\t\t%?x\tlastacked\t%?x\n",
sctp->sctp_ftsn, sctp->sctp_lastacked);
mdb_printf("istr_nmsgs\t%?d\tsack_toggle\t%?d\n",
sctp->sctp_istr_nmsgs, sctp->sctp_sack_toggle);
mdb_printf("ack_mp\t\t%?p\n", sctp->sctp_ack_mp);
mdb_printf("num_istr\t%?hu\tinstr\t\t%?p\n",
sctp->sctp_num_istr, sctp->sctp_instr);
mdb_printf("unord_reass\t%?p\n", sctp->sctp_uo_frags);
}
if (opts & MDB_SCTP_SHOW_RTT) {
mdb_printf("%<b>RTT Tracking%</b>\n");
mdb_printf("rtt_tsn\t\t%?x\tout_time\t%?ld\n",
sctp->sctp_rtt_tsn, sctp->sctp_out_time);
}
if (opts & MDB_SCTP_SHOW_FLOW) {
mdb_printf("%<b>Flow Control%</b>\n");
mdb_printf("tconn_sndbuf\t%?d\n"
"conn_sndlowat\t%?d\tfrwnd\t\t%?u\n"
"rwnd\t\t%?u\tlast advertised rwnd\t%?u\n"
"rxqueued\t%?u\tcwnd_max\t%?u\n", connp->conn_sndbuf,
connp->conn_sndlowat, sctp->sctp_frwnd,
sctp->sctp_rwnd, sctp->sctp_arwnd, sctp->sctp_rxqueued,
sctp->sctp_cwnd_max);
}
if (opts & MDB_SCTP_SHOW_HDR) {
mdb_printf("%<b>Composite Headers%</b>\n");
mdb_printf("iphc\t\t%?p\tiphc6\t\t%?p\n"
"iphc_len\t%?d\tiphc6_len\t%?d\n"
"hdr_len\t\t%?d\thdr6_len\t%?d\n"
"ipha\t\t%?p\tip6h\t\t%?p\n"
"ip_hdr_len\t%?d\tip_hdr6_len\t%?d\n"
"sctph\t\t%?p\tsctph6\t\t%?p\n"
"lvtag\t\t%?x\tfvtag\t\t%?x\n", sctp->sctp_iphc,
sctp->sctp_iphc6, sctp->sctp_iphc_len,
sctp->sctp_iphc6_len, sctp->sctp_hdr_len,
sctp->sctp_hdr6_len, sctp->sctp_ipha, sctp->sctp_ip6h,
sctp->sctp_ip_hdr_len, sctp->sctp_ip_hdr6_len,
sctp->sctp_sctph, sctp->sctp_sctph6, sctp->sctp_lvtag,
sctp->sctp_fvtag);
}
if (opts & MDB_SCTP_SHOW_PMTUD) {
mdb_printf("%<b>PMTUd%</b>\n");
mdb_printf("last_mtu_probe\t%?ld\tmtu_probe_intvl\t%?ld\n"
"mss\t\t%?u\n",
sctp->sctp_last_mtu_probe, sctp->sctp_mtu_probe_intvl,
sctp->sctp_mss);
}
if (opts & MDB_SCTP_SHOW_RXT) {
mdb_printf("%<b>Retransmit Info%</b>\n");
mdb_printf("cookie_mp\t%?p\tstrikes\t\t%?d\n"
"max_init_rxt\t%?d\tpa_max_rxt\t%?d\n"
"pp_max_rxt\t%?d\trto_max\t\t%?u\n"
"rto_min\t\t%?u\trto_initial\t%?u\n"
"init_rto_max\t%?u\n"
"rxt_nxttsn\t%?u\trxt_maxtsn\t%?u\n", sctp->sctp_cookie_mp,
sctp->sctp_strikes, sctp->sctp_max_init_rxt,
sctp->sctp_pa_max_rxt, sctp->sctp_pp_max_rxt,
sctp->sctp_rto_max, sctp->sctp_rto_min,
sctp->sctp_rto_initial, sctp->sctp_rto_max_init,
sctp->sctp_rxt_nxttsn, sctp->sctp_rxt_maxtsn);
}
if (opts & MDB_SCTP_SHOW_CONN) {
mdb_printf("%<b>Connection State%</b>\n");
mdb_printf("last_secret_update%?ld\n",
sctp->sctp_last_secret_update);
mdb_printf("secret\t\t");
for (i = 0; i < SCTP_SECRET_LEN; i++) {
if (i % 2 == 0)
mdb_printf("0x%02x", sctp->sctp_secret[i]);
else
mdb_printf("%02x ", sctp->sctp_secret[i]);
}
mdb_printf("\n");
mdb_printf("old_secret\t");
for (i = 0; i < SCTP_SECRET_LEN; i++) {
if (i % 2 == 0)
mdb_printf("0x%02x", sctp->sctp_old_secret[i]);
else
mdb_printf("%02x ", sctp->sctp_old_secret[i]);
}
mdb_printf("\n");
}
if (opts & MDB_SCTP_SHOW_STATS) {
mdb_printf("%<b>Stats Counters%</b>\n");
mdb_printf("opkts\t\t%?llu\tobchunks\t%?llu\n"
"odchunks\t%?llu\toudchunks\t%?llu\n"
"rxtchunks\t%?llu\tT1expire\t%?lu\n"
"T2expire\t%?lu\tT3expire\t%?lu\n"
"msgcount\t%?llu\tprsctpdrop\t%?llu\n"
"AssocStartTime\t%?lu\n",
sctp->sctp_opkts, sctp->sctp_obchunks,
sctp->sctp_odchunks, sctp->sctp_oudchunks,
sctp->sctp_rxtchunks, sctp->sctp_T1expire,
sctp->sctp_T2expire, sctp->sctp_T3expire,
sctp->sctp_msgcount, sctp->sctp_prsctpdrop,
sctp->sctp_assoc_start_time);
mdb_printf("ipkts\t\t%?llu\tibchunks\t%?llu\n"
"idchunks\t%?llu\tiudchunks\t%?llu\n"
"fragdmsgs\t%?llu\treassmsgs\t%?llu\n",
sctp->sctp_ipkts, sctp->sctp_ibchunks,
sctp->sctp_idchunks, sctp->sctp_iudchunks,
sctp->sctp_fragdmsgs, sctp->sctp_reassmsgs);
}
if (opts & MDB_SCTP_SHOW_HASH) {
mdb_printf("%<b>Hash Tables%</b>\n");
mdb_printf("conn_hash_next\t%?p\t", sctp->sctp_conn_hash_next);
mdb_printf("conn_hash_prev\t%?p\n", sctp->sctp_conn_hash_prev);
mdb_printf("listen_hash_next%?p\t",
sctp->sctp_listen_hash_next);
mdb_printf("listen_hash_prev%?p\n",
sctp->sctp_listen_hash_prev);
mdb_nhconvert(&lport, &connp->conn_lport, sizeof (lport));
mdb_printf("[ listen_hash bucket\t%?d ]\n",
SCTP_LISTEN_HASH(lport));
mdb_printf("conn_tfp\t%?p\t", sctp->sctp_conn_tfp);
mdb_printf("listen_tfp\t%?p\n", sctp->sctp_listen_tfp);
mdb_printf("bind_hash\t%?p\tptpbhn\t\t%?p\n",
sctp->sctp_bind_hash, sctp->sctp_ptpbhn);
mdb_printf("bind_lockp\t%?p\n",
sctp->sctp_bind_lockp);
mdb_printf("[ bind_hash bucket\t%?d ]\n",
SCTP_BIND_HASH(lport));
}
if (opts & MDB_SCTP_SHOW_CLOSE) {
mdb_printf("%<b>Cleanup / Close%</b>\n");
mdb_printf("shutdown_faddr\t%?p\tclient_errno\t%?d\n"
"lingertime\t%?d\trefcnt\t\t%?hu\n",
sctp->sctp_shutdown_faddr, sctp->sctp_client_errno,
connp->conn_lingertime, sctp->sctp_refcnt);
}
if (opts & MDB_SCTP_SHOW_MISC) {
mdb_printf("%<b>Miscellaneous%</b>\n");
mdb_printf("bound_if\t%?u\theartbeat_mp\t%?p\n"
"family\t\t%?u\tipversion\t%?hu\n"
"hb_interval\t%?u\tautoclose\t%?d\n"
"active\t\t%?ld\ttx_adaptation_code%?x\n"
"rx_adaptation_code%?x\ttimer_mp\t%?p\n"
"partial_delivery_point\t%?d\n",
connp->conn_bound_if, sctp->sctp_heartbeat_mp,
connp->conn_family,
connp->conn_ipversion,
sctp->sctp_hb_interval, sctp->sctp_autoclose,
sctp->sctp_active, sctp->sctp_tx_adaptation_code,
sctp->sctp_rx_adaptation_code, sctp->sctp_timer_mp,
sctp->sctp_pd_point);
}
if (opts & MDB_SCTP_SHOW_EXT) {
mdb_printf("%<b>Extensions and Reliable Ctl Chunks%</b>\n");
mdb_printf("cxmit_list\t%?p\tlcsn\t\t%?x\n"
"fcsn\t\t%?x\n", sctp->sctp_cxmit_list, sctp->sctp_lcsn,
sctp->sctp_fcsn);
}
if (opts & MDB_SCTP_SHOW_FLAGS) {
mdb_printf("%<b>Flags%</b>\n");
show_sctp_flags(sctp);
}
return (DCMD_OK);
}
typedef struct fanout_walk_data {
int index;
int size;
uintptr_t sctp;
sctp_tf_t *fanout;
uintptr_t (*getnext)(sctp_t *);
} fanout_walk_data_t;
typedef struct fanout_init {
const char *nested_walker_name;
size_t offset;
int (*getsize)(sctp_stack_t *);
uintptr_t (*getnext)(sctp_t *);
} fanout_init_t;
static uintptr_t
listen_next(sctp_t *sctp)
{
return ((uintptr_t)sctp->sctp_listen_hash_next);
}
static int
listen_size(sctp_stack_t *sctps)
{
return (SCTP_LISTEN_FANOUT_SIZE);
}
static uintptr_t
conn_next(sctp_t *sctp)
{
return ((uintptr_t)sctp->sctp_conn_hash_next);
}
static int
conn_size(sctp_stack_t *sctps)
{
int size;
uintptr_t kaddr;
kaddr = (uintptr_t)&sctps->sctps_conn_hash_size;
if (mdb_vread(&size, sizeof (size), kaddr) == -1) {
mdb_warn("can't read 'sctps_conn_hash_size' at %p", kaddr);
return (1);
}
return (size);
}
static uintptr_t
bind_next(sctp_t *sctp)
{
return ((uintptr_t)sctp->sctp_bind_hash);
}
static int
bind_size(sctp_stack_t *sctps)
{
return (SCTP_BIND_FANOUT_SIZE);
}
static uintptr_t
find_next_hash_item(fanout_walk_data_t *fw)
{
sctp_tf_t tf;
sctp_t sctp;
if (fw->sctp != 0) {
if (mdb_vread(&sctp, sizeof (sctp), fw->sctp) == -1) {
mdb_warn("failed to read sctp at %p", fw->sctp);
return (0);
}
fw->sctp = fw->getnext(&sctp);
if (fw->sctp != 0)
return (fw->sctp);
else
fw->index++;
}
for (; fw->index < fw->size; fw->index++) {
if (mdb_vread(&tf, sizeof (tf),
(uintptr_t)(fw->fanout + fw->index)) == -1) {
mdb_warn("failed to read tf at %p",
fw->fanout + fw->index);
return (0);
}
if (tf.tf_sctp != NULL) {
fw->sctp = (uintptr_t)tf.tf_sctp;
return (fw->sctp);
}
}
return (0);
}
static int
fanout_stack_walk_init(mdb_walk_state_t *wsp)
{
fanout_walk_data_t *lw;
fanout_init_t *fi = wsp->walk_arg;
sctp_stack_t *sctps = (sctp_stack_t *)wsp->walk_addr;
uintptr_t kaddr;
if (mdb_vread(&kaddr, sizeof (kaddr),
wsp->walk_addr + fi->offset) == -1) {
mdb_warn("can't read sctp fanout at %p",
wsp->walk_addr + fi->offset);
return (WALK_ERR);
}
lw = mdb_alloc(sizeof (*lw), UM_SLEEP);
lw->index = 0;
lw->size = fi->getsize(sctps);
lw->sctp = 0;
lw->fanout = (sctp_tf_t *)kaddr;
lw->getnext = fi->getnext;
if ((wsp->walk_addr = find_next_hash_item(lw)) == 0) {
return (WALK_DONE);
}
wsp->walk_data = lw;
return (WALK_NEXT);
}
static int
fanout_stack_walk_step(mdb_walk_state_t *wsp)
{
fanout_walk_data_t *fw = wsp->walk_data;
uintptr_t addr = wsp->walk_addr;
sctp_t sctp;
int status;
if (mdb_vread(&sctp, sizeof (sctp), addr) == -1) {
mdb_warn("failed to read sctp at %p", addr);
return (WALK_DONE);
}
status = wsp->walk_callback(addr, &sctp, wsp->walk_cbdata);
if (status != WALK_NEXT)
return (status);
if ((wsp->walk_addr = find_next_hash_item(fw)) == 0)
return (WALK_DONE);
return (WALK_NEXT);
}
static void
fanout_stack_walk_fini(mdb_walk_state_t *wsp)
{
fanout_walk_data_t *fw = wsp->walk_data;
mdb_free(fw, sizeof (*fw));
}
int
fanout_walk_init(mdb_walk_state_t *wsp)
{
if (mdb_layered_walk("sctp_stacks", wsp) == -1) {
mdb_warn("can't walk 'sctp_stacks'");
return (WALK_ERR);
}
return (WALK_NEXT);
}
int
fanout_walk_step(mdb_walk_state_t *wsp)
{
fanout_init_t *fi = wsp->walk_arg;
if (mdb_pwalk(fi->nested_walker_name, wsp->walk_callback,
wsp->walk_cbdata, wsp->walk_addr) == -1) {
mdb_warn("couldn't walk '%s'for address %p",
fi->nested_walker_name, wsp->walk_addr);
return (WALK_ERR);
}
return (WALK_NEXT);
}
int
sctps_walk_init(mdb_walk_state_t *wsp)
{
if (mdb_layered_walk("sctp_stacks", wsp) == -1) {
mdb_warn("can't walk 'sctp_stacks'");
return (WALK_ERR);
}
return (WALK_NEXT);
}
int
sctps_walk_step(mdb_walk_state_t *wsp)
{
uintptr_t kaddr;
kaddr = wsp->walk_addr + OFFSETOF(sctp_stack_t, sctps_g_list);
if (mdb_pwalk("list", wsp->walk_callback,
wsp->walk_cbdata, kaddr) == -1) {
mdb_warn("couldn't walk 'list' for address %p", kaddr);
return (WALK_ERR);
}
return (WALK_NEXT);
}
static int
sctp_walk_faddr_init(mdb_walk_state_t *wsp)
{
sctp_t sctp;
if (wsp->walk_addr == 0)
return (WALK_ERR);
if (mdb_vread(&sctp, sizeof (sctp), wsp->walk_addr) == -1) {
mdb_warn("failed to read sctp at %p", wsp->walk_addr);
return (WALK_ERR);
}
if ((wsp->walk_addr = (uintptr_t)sctp.sctp_faddrs) != 0)
return (WALK_NEXT);
else
return (WALK_DONE);
}
static int
sctp_walk_faddr_step(mdb_walk_state_t *wsp)
{
uintptr_t faddr_ptr = wsp->walk_addr;
sctp_faddr_t sctp_faddr;
int status;
if (mdb_vread(&sctp_faddr, sizeof (sctp_faddr_t), faddr_ptr) == -1) {
mdb_warn("failed to read sctp_faddr_t at %p", faddr_ptr);
return (WALK_ERR);
}
status = wsp->walk_callback(faddr_ptr, &sctp_faddr, wsp->walk_cbdata);
if (status != WALK_NEXT)
return (status);
if ((faddr_ptr = (uintptr_t)sctp_faddr.sf_next) == 0) {
return (WALK_DONE);
} else {
wsp->walk_addr = faddr_ptr;
return (WALK_NEXT);
}
}
typedef struct {
sctp_t sctp;
int hash_index;
int cur_cnt;
} saddr_walk_t;
static int
sctp_walk_saddr_init(mdb_walk_state_t *wsp)
{
sctp_t *sctp;
int i;
saddr_walk_t *swalker;
if (wsp->walk_addr == 0)
return (WALK_ERR);
swalker = mdb_alloc(sizeof (saddr_walk_t), UM_SLEEP);
sctp = &swalker->sctp;
if (mdb_vread(sctp, sizeof (sctp_t), wsp->walk_addr) == -1) {
mdb_warn("failed to read sctp at %p", wsp->walk_addr);
mdb_free(swalker, sizeof (saddr_walk_t));
return (WALK_ERR);
}
for (i = 0; i < SCTP_IPIF_HASH; i++) {
if (sctp->sctp_saddrs[i].ipif_count > 0) {
list_t *addr_list;
addr_list = &sctp->sctp_saddrs[i].sctp_ipif_list;
wsp->walk_addr = (uintptr_t)list_object(addr_list,
addr_list->list_head.list_next);
swalker->hash_index = i;
swalker->cur_cnt = 1;
wsp->walk_data = swalker;
return (WALK_NEXT);
}
}
return (WALK_DONE);
}
static int
sctp_walk_saddr_step(mdb_walk_state_t *wsp)
{
uintptr_t saddr_ptr = wsp->walk_addr;
sctp_saddr_ipif_t saddr;
saddr_walk_t *swalker;
sctp_t *sctp;
int status;
int i, j;
if (mdb_vread(&saddr, sizeof (sctp_saddr_ipif_t), saddr_ptr) == -1) {
mdb_warn("failed to read sctp_saddr_ipif_t at %p", saddr_ptr);
return (WALK_ERR);
}
status = wsp->walk_callback(saddr_ptr, &saddr, wsp->walk_cbdata);
if (status != WALK_NEXT)
return (status);
swalker = (saddr_walk_t *)wsp->walk_data;
sctp = &swalker->sctp;
i = swalker->hash_index;
j = swalker->cur_cnt;
if (j++ < sctp->sctp_saddrs[i].ipif_count) {
wsp->walk_addr = (uintptr_t)saddr.saddr_ipif.list_next;
swalker->cur_cnt = j;
return (WALK_NEXT);
} else {
list_t *lst;
for (i = i + 1; i < SCTP_IPIF_HASH; i++) {
if (sctp->sctp_saddrs[i].ipif_count > 0) {
lst = &sctp->sctp_saddrs[i].sctp_ipif_list;
wsp->walk_addr = (uintptr_t)list_object(
lst, lst->list_head.list_next);
swalker->hash_index = i;
swalker->cur_cnt = 1;
return (WALK_NEXT);
}
}
}
return (WALK_DONE);
}
static void
sctp_walk_saddr_fini(mdb_walk_state_t *wsp)
{
saddr_walk_t *swalker = (saddr_walk_t *)wsp->walk_data;
mdb_free(swalker, sizeof (saddr_walk_t));
}
typedef struct ill_walk_data {
sctp_ill_hash_t ills[SCTP_ILL_HASH];
uint32_t count;
} ill_walk_data_t;
typedef struct ipuf_walk_data {
sctp_ipif_hash_t ipifs[SCTP_IPIF_HASH];
uint32_t count;
} ipif_walk_data_t;
int
sctp_ill_walk_init(mdb_walk_state_t *wsp)
{
if (mdb_layered_walk("sctp_stacks", wsp) == -1) {
mdb_warn("can't walk 'sctp_stacks'");
return (WALK_ERR);
}
return (WALK_NEXT);
}
int
sctp_ill_walk_step(mdb_walk_state_t *wsp)
{
if (mdb_pwalk("sctp_stack_walk_ill", wsp->walk_callback,
wsp->walk_cbdata, wsp->walk_addr) == -1) {
mdb_warn("couldn't walk 'sctp_stack_walk_ill' for addr %p",
wsp->walk_addr);
return (WALK_ERR);
}
return (WALK_NEXT);
}
static int
sctp_stack_ill_walk_init(mdb_walk_state_t *wsp)
{
ill_walk_data_t iw;
intptr_t i;
uintptr_t kaddr, uaddr;
size_t offset;
kaddr = wsp->walk_addr + OFFSETOF(sctp_stack_t, sctps_ills_count);
if (mdb_vread(&iw.count, sizeof (iw.count), kaddr) == -1) {
mdb_warn("can't read sctps_ills_count at %p", kaddr);
return (WALK_ERR);
}
kaddr = wsp->walk_addr + OFFSETOF(sctp_stack_t, sctps_g_ills);
if (mdb_vread(&kaddr, sizeof (kaddr), kaddr) == -1) {
mdb_warn("can't read scpts_g_ills %p", kaddr);
return (WALK_ERR);
}
if (mdb_vread(&iw.ills, sizeof (iw.ills), kaddr) == -1) {
mdb_warn("failed to read 'sctps_g_ills'");
return (0);
}
for (i = 0; i < SCTP_ILL_HASH; i++) {
if (iw.ills[i].ill_count > 0) {
uaddr = (uintptr_t)&iw.ills[i].sctp_ill_list;
offset = uaddr - (uintptr_t)&iw.ills;
if (mdb_pwalk("list", wsp->walk_callback,
wsp->walk_cbdata, kaddr+offset) == -1) {
mdb_warn("couldn't walk 'list' for address %p",
kaddr);
return (WALK_ERR);
}
}
}
return (WALK_DONE);
}
static int
sctp_stack_ill_walk_step(mdb_walk_state_t *wsp)
{
return (wsp->walk_callback(wsp->walk_addr, wsp->walk_layer,
wsp->walk_cbdata));
}
int
sctp_ipif_walk_init(mdb_walk_state_t *wsp)
{
if (mdb_layered_walk("sctp_stacks", wsp) == -1) {
mdb_warn("can't walk 'sctp_stacks'");
return (WALK_ERR);
}
return (WALK_NEXT);
}
int
sctp_ipif_walk_step(mdb_walk_state_t *wsp)
{
if (mdb_pwalk("sctp_stack_walk_ipif", wsp->walk_callback,
wsp->walk_cbdata, wsp->walk_addr) == -1) {
mdb_warn("couldn't walk 'sctp_stack_walk_ipif' for addr %p",
wsp->walk_addr);
return (WALK_ERR);
}
return (WALK_NEXT);
}
static int
sctp_stack_ipif_walk_init(mdb_walk_state_t *wsp)
{
ipif_walk_data_t iw;
intptr_t i;
uintptr_t kaddr, uaddr;
size_t offset;
kaddr = wsp->walk_addr + OFFSETOF(sctp_stack_t, sctps_g_ipifs_count);
if (mdb_vread(&iw.count, sizeof (iw.count), kaddr) == -1) {
mdb_warn("can't read sctps_g_ipifs_count at %p", kaddr);
return (WALK_ERR);
}
kaddr = wsp->walk_addr + OFFSETOF(sctp_stack_t, sctps_g_ipifs);
if (mdb_vread(&kaddr, sizeof (kaddr), kaddr) == -1) {
mdb_warn("can't read scpts_g_ipifs %p", kaddr);
return (WALK_ERR);
}
if (mdb_vread(&iw.ipifs, sizeof (iw.ipifs), kaddr) == -1) {
mdb_warn("failed to read 'sctps_g_ipifs'");
return (0);
}
for (i = 0; i < SCTP_IPIF_HASH; i++) {
if (iw.ipifs[i].ipif_count > 0) {
uaddr = (uintptr_t)&iw.ipifs[i].sctp_ipif_list;
offset = uaddr - (uintptr_t)&iw.ipifs;
if (mdb_pwalk("list", wsp->walk_callback,
wsp->walk_cbdata, kaddr+offset) == -1) {
mdb_warn("couldn't walk 'list' for address %p",
kaddr);
return (WALK_ERR);
}
}
}
return (WALK_DONE);
}
static int
sctp_stack_ipif_walk_step(mdb_walk_state_t *wsp)
{
return (wsp->walk_callback(wsp->walk_addr, wsp->walk_layer,
wsp->walk_cbdata));
}
int
sctps_sc_walk_init(mdb_walk_state_t *wsp)
{
sctp_stack_t sctps;
if (wsp->walk_addr == 0)
return (WALK_ERR);
if (mdb_vread(&sctps, sizeof (sctps), wsp->walk_addr) == -1) {
mdb_warn("failed to read sctp_stack_t at %p", wsp->walk_addr);
return (WALK_ERR);
}
if (sctps.sctps_sc_cnt == 0)
return (WALK_DONE);
wsp->walk_data = (void *)wsp->walk_addr;
wsp->walk_addr = (uintptr_t)sctps.sctps_sc;
return (WALK_NEXT);
}
int
sctps_sc_walk_step(mdb_walk_state_t *wsp)
{
int status;
sctp_stack_t sctps;
sctp_stats_cpu_t *stats;
char *next, *end;
if (mdb_vread(&sctps, sizeof (sctps), (uintptr_t)wsp->walk_data) ==
-1) {
mdb_warn("failed to read sctp_stack_t at %p", wsp->walk_addr);
return (WALK_ERR);
}
if (mdb_vread(&stats, sizeof (stats), wsp->walk_addr) == -1) {
mdb_warn("failed ot read sctp_stats_cpu_t at %p",
wsp->walk_addr);
return (WALK_ERR);
}
status = wsp->walk_callback((uintptr_t)stats, &stats, wsp->walk_cbdata);
if (status != WALK_NEXT)
return (status);
next = (char *)wsp->walk_addr + sizeof (sctp_stats_cpu_t *);
end = (char *)sctps.sctps_sc + sctps.sctps_sc_cnt *
sizeof (sctp_stats_cpu_t *);
if (next >= end)
return (WALK_DONE);
wsp->walk_addr = (uintptr_t)next;
return (WALK_NEXT);
}
static void
sctp_help(void)
{
mdb_printf("Print information for a given SCTP sctp_t\n\n");
mdb_printf("Options:\n");
mdb_printf("\t-a\t All the information\n");
mdb_printf("\t-f\t Flags\n");
mdb_printf("\t-h\t Hash Tables\n");
mdb_printf("\t-o\t Outbound Data\n");
mdb_printf("\t-i\t Inbound Data\n");
mdb_printf("\t-m\t Miscellaneous Information\n");
mdb_printf("\t-r\t RTT Tracking\n");
mdb_printf("\t-S\t Stats Counters\n");
mdb_printf("\t-F\t Flow Control\n");
mdb_printf("\t-H\t Composite Headers\n");
mdb_printf("\t-p\t PMTUD\n");
mdb_printf("\t-R\t Retransmit Information\n");
mdb_printf("\t-C\t Connection State\n");
mdb_printf("\t-c\t Cleanup / Close\n");
mdb_printf("\t-e\t Extensions and Reliable Control Chunks\n");
mdb_printf("\t-d\t Local and Peer addresses\n");
mdb_printf("\t-P\t Peer addresses\n");
}
static const mdb_dcmd_t dcmds[] = {
{ "sctp", ":[-afhoimrSFHpRCcedP]",
"display sctp control structure", sctp, sctp_help },
{ "sctp_set", ":", "display a SCTP set", sctp_set },
{ "sctp_faddr", ":", "display a faddr", sctp_faddr },
{ "sctp_istr_msgs", ":", "display msg list on an instream",
sctp_istr_msgs },
{ "sctp_mdata_chunk", ":", "display a data chunk in an mblk",
sctp_mdata_chunk },
{ "sctp_xmit_list", ":", "display sctp xmit lists", sctp_xmit_list },
{ "sctp_instr", ":", "display instr", sctp_instr },
{ "sctp_reass_list", ":", "display reass list", sctp_reass_list },
{ "sctp_uo_reass_list", ":", "display un-ordered reass list",
sctp_uo_reass_list },
{ NULL }
};
static const fanout_init_t listen_fanout_init = {
"sctp_stack_listen_fanout", OFFSETOF(sctp_stack_t, sctps_listen_fanout),
listen_size, listen_next
};
static const fanout_init_t conn_fanout_init = {
"sctp_stack_conn_fanout", OFFSETOF(sctp_stack_t, sctps_conn_fanout),
conn_size, conn_next
};
static const fanout_init_t bind_fanout_init = {
"sctp_stack_bind_fanout", OFFSETOF(sctp_stack_t, sctps_bind_fanout),
bind_size, bind_next
};
static const mdb_walker_t walkers[] = {
{ "sctps", "walk the full chain of sctps for all stacks",
sctps_walk_init, sctps_walk_step, NULL },
{ "sctp_listen_fanout", "walk the sctp listen fanout for all stacks",
fanout_walk_init, fanout_walk_step, NULL,
(void *)&listen_fanout_init },
{ "sctp_conn_fanout", "walk the sctp conn fanout for all stacks",
fanout_walk_init, fanout_walk_step, NULL,
(void *)&conn_fanout_init },
{ "sctp_bind_fanout", "walk the sctp bind fanout for all stacks",
fanout_walk_init, fanout_walk_step, NULL,
(void *)&bind_fanout_init },
{ "sctp_stack_listen_fanout",
"walk the sctp listen fanout for one stack",
fanout_stack_walk_init, fanout_stack_walk_step,
fanout_stack_walk_fini,
(void *)&listen_fanout_init },
{ "sctp_stack_conn_fanout", "walk the sctp conn fanout for one stack",
fanout_stack_walk_init, fanout_stack_walk_step,
fanout_stack_walk_fini,
(void *)&conn_fanout_init },
{ "sctp_stack_bind_fanout", "walk the sctp bind fanoutfor one stack",
fanout_stack_walk_init, fanout_stack_walk_step,
fanout_stack_walk_fini,
(void *)&bind_fanout_init },
{ "sctp_walk_faddr", "walk the peer address list of a given sctp_t",
sctp_walk_faddr_init, sctp_walk_faddr_step, NULL },
{ "sctp_walk_saddr", "walk the local address list of a given sctp_t",
sctp_walk_saddr_init, sctp_walk_saddr_step, sctp_walk_saddr_fini },
{ "sctp_walk_ill", "walk the sctp_g_ills list for all stacks",
sctp_ill_walk_init, sctp_ill_walk_step, NULL },
{ "sctp_walk_ipif", "walk the sctp_g_ipif list for all stacks",
sctp_ipif_walk_init, sctp_ipif_walk_step, NULL },
{ "sctp_stack_walk_ill", "walk the sctp_g_ills list for one stack",
sctp_stack_ill_walk_init, sctp_stack_ill_walk_step, NULL },
{ "sctp_stack_walk_ipif", "walk the sctp_g_ipif list for one stack",
sctp_stack_ipif_walk_init, sctp_stack_ipif_walk_step, NULL },
{ "sctps_sc", "walk all the per CPU stats counters of a sctp_stack_t",
sctps_sc_walk_init, sctps_sc_walk_step, NULL },
{ NULL }
};
static const mdb_modinfo_t modinfo = { MDB_API_VERSION, dcmds, walkers };
const mdb_modinfo_t *
_mdb_init(void)
{
return (&modinfo);
}
