ip.c revision 0870f17b1158eef95a9cbc509c015c6467c7cdec
/*
* 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 (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
*/
#include <sys/types.h>
#include <sys/stropts.h>
#include <sys/stream.h>
#include <sys/socket.h>
#include <sys/avl_impl.h>
#include <net/if_types.h>
#include <net/if.h>
#include <net/route.h>
#include <netinet/in.h>
#include <netinet/ip6.h>
#include <netinet/udp.h>
#include <netinet/sctp.h>
#include <inet/mib2.h>
#include <inet/common.h>
#include <inet/ip.h>
#include <inet/ip_ire.h>
#include <inet/ip6.h>
#include <inet/ipclassifier.h>
#include <inet/mi.h>
#include <sys/squeue_impl.h>
#include <sys/modhash_impl.h>
#include <inet/ip_ndp.h>
#include <inet/ip_if.h>
#include <ilb.h>
#include <ilb/ilb_impl.h>
#include <ilb/ilb_stack.h>
#include <ilb/ilb_nat.h>
#include <ilb/ilb_conn.h>
#include <sys/dlpi.h>
#include <sys/zone.h>
#include <mdb/mdb_modapi.h>
#include <mdb/mdb_ks.h>
#define ADDR_WIDTH 11
#define L2MAXADDRSTRLEN 255
#define MAX_SAP_LEN 255
#define DEFCOLS 80
typedef struct {
const char *bit_name; /* name of bit */
const char *bit_descr; /* description of bit's purpose */
} bitname_t;
static const bitname_t squeue_states[] = {
{ "SQS_PROC", "being processed" },
{ "SQS_WORKER", "... by a worker thread" },
{ "SQS_ENTER", "... by an squeue_enter() thread" },
{ "SQS_FAST", "... in fast-path mode" },
{ "SQS_USER", "A non interrupt user" },
{ "SQS_BOUND", "worker thread bound to CPU" },
{ "SQS_PROFILE", "profiling enabled" },
{ "SQS_REENTER", "re-entered thred" },
{ NULL }
};
typedef struct illif_walk_data {
ill_g_head_t ill_g_heads[MAX_G_HEADS];
int ill_list;
ill_if_t ill_if;
} illif_walk_data_t;
typedef struct ncec_walk_data_s {
struct ndp_g_s ncec_ip_ndp;
int ncec_hash_tbl_index;
ncec_t ncec;
} ncec_walk_data_t;
typedef struct ncec_cbdata_s {
uintptr_t ncec_addr;
int ncec_ipversion;
} ncec_cbdata_t;
typedef struct nce_cbdata_s {
int nce_ipversion;
char nce_ill_name[LIFNAMSIZ];
} nce_cbdata_t;
typedef struct ire_cbdata_s {
int ire_ipversion;
boolean_t verbose;
} ire_cbdata_t;
typedef struct zi_cbdata_s {
const char *zone_name;
ip_stack_t *ipst;
boolean_t shared_ip_zone;
} zi_cbdata_t;
typedef struct th_walk_data {
uint_t thw_non_zero_only;
boolean_t thw_match;
uintptr_t thw_matchkey;
uintptr_t thw_ipst;
clock_t thw_lbolt;
} th_walk_data_t;
typedef struct ipcl_hash_walk_data_s {
conn_t *conn;
int connf_tbl_index;
uintptr_t hash_tbl;
int hash_tbl_size;
} ipcl_hash_walk_data_t;
typedef struct ill_walk_data_s {
ill_t ill;
} ill_walk_data_t;
typedef struct ill_cbdata_s {
uintptr_t ill_addr;
int ill_ipversion;
ip_stack_t *ill_ipst;
boolean_t verbose;
} ill_cbdata_t;
typedef struct ipif_walk_data_s {
ipif_t ipif;
} ipif_walk_data_t;
typedef struct ipif_cbdata_s {
ill_t ill;
int ipif_ipversion;
boolean_t verbose;
} ipif_cbdata_t;
typedef struct hash_walk_arg_s {
off_t tbl_off;
off_t size_off;
} hash_walk_arg_t;
static hash_walk_arg_t udp_hash_arg = {
OFFSETOF(ip_stack_t, ips_ipcl_udp_fanout),
OFFSETOF(ip_stack_t, ips_ipcl_udp_fanout_size)
};
static hash_walk_arg_t conn_hash_arg = {
OFFSETOF(ip_stack_t, ips_ipcl_conn_fanout),
OFFSETOF(ip_stack_t, ips_ipcl_conn_fanout_size)
};
static hash_walk_arg_t bind_hash_arg = {
OFFSETOF(ip_stack_t, ips_ipcl_bind_fanout),
OFFSETOF(ip_stack_t, ips_ipcl_bind_fanout_size)
};
static hash_walk_arg_t proto_hash_arg = {
OFFSETOF(ip_stack_t, ips_ipcl_proto_fanout_v4),
0
};
static hash_walk_arg_t proto_v6_hash_arg = {
OFFSETOF(ip_stack_t, ips_ipcl_proto_fanout_v6),
0
};
typedef struct ip_list_walk_data_s {
off_t nextoff;
} ip_list_walk_data_t;
typedef struct ip_list_walk_arg_s {
off_t off;
size_t size;
off_t nextp_off;
} ip_list_walk_arg_t;
static ip_list_walk_arg_t ipif_walk_arg = {
OFFSETOF(ill_t, ill_ipif),
sizeof (ipif_t),
OFFSETOF(ipif_t, ipif_next)
};
static ip_list_walk_arg_t srcid_walk_arg = {
OFFSETOF(ip_stack_t, ips_srcid_head),
sizeof (srcid_map_t),
OFFSETOF(srcid_map_t, sm_next)
};
static int iphdr(uintptr_t, uint_t, int, const mdb_arg_t *);
static int ip6hdr(uintptr_t, uint_t, int, const mdb_arg_t *);
static int ill(uintptr_t, uint_t, int, const mdb_arg_t *);
static void ill_help(void);
static int ill_walk_init(mdb_walk_state_t *);
static int ill_walk_step(mdb_walk_state_t *);
static int ill_format(uintptr_t, const void *, void *);
static void ill_header(boolean_t);
static int ipif(uintptr_t, uint_t, int, const mdb_arg_t *);
static void ipif_help(void);
static int ipif_walk_init(mdb_walk_state_t *);
static int ipif_walk_step(mdb_walk_state_t *);
static int ipif_format(uintptr_t, const void *, void *);
static void ipif_header(boolean_t);
static int ip_list_walk_init(mdb_walk_state_t *);
static int ip_list_walk_step(mdb_walk_state_t *);
static void ip_list_walk_fini(mdb_walk_state_t *);
static int srcid_walk_step(mdb_walk_state_t *);
static int ire_format(uintptr_t addr, const void *, void *);
static int ncec_format(uintptr_t addr, const ncec_t *ncec, int ipversion);
static int ncec(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv);
static int ncec_walk_step(mdb_walk_state_t *wsp);
static int ncec_stack_walk_init(mdb_walk_state_t *wsp);
static int ncec_stack_walk_step(mdb_walk_state_t *wsp);
static void ncec_stack_walk_fini(mdb_walk_state_t *wsp);
static int ncec_cb(uintptr_t addr, const ncec_walk_data_t *iw,
ncec_cbdata_t *id);
static char *nce_l2_addr(const nce_t *, const ill_t *);
static int ipcl_hash_walk_init(mdb_walk_state_t *);
static int ipcl_hash_walk_step(mdb_walk_state_t *);
static void ipcl_hash_walk_fini(mdb_walk_state_t *);
static int conn_status_walk_step(mdb_walk_state_t *);
static int conn_status(uintptr_t, uint_t, int, const mdb_arg_t *);
static void conn_status_help(void);
static int srcid_status(uintptr_t, uint_t, int, const mdb_arg_t *);
static int ilb_stacks_walk_step(mdb_walk_state_t *);
static int ilb_rules_walk_init(mdb_walk_state_t *);
static int ilb_rules_walk_step(mdb_walk_state_t *);
static int ilb_servers_walk_init(mdb_walk_state_t *);
static int ilb_servers_walk_step(mdb_walk_state_t *);
static int ilb_nat_src_walk_init(mdb_walk_state_t *);
static int ilb_nat_src_walk_step(mdb_walk_state_t *);
static int ilb_conn_walk_init(mdb_walk_state_t *);
static int ilb_conn_walk_step(mdb_walk_state_t *);
static int ilb_sticky_walk_init(mdb_walk_state_t *);
static int ilb_sticky_walk_step(mdb_walk_state_t *);
static void ilb_common_walk_fini(mdb_walk_state_t *);
/*
* Given the kernel address of an ip_stack_t, return the stackid
*/
static int
ips_to_stackid(uintptr_t kaddr)
{
ip_stack_t ipss;
netstack_t nss;
if (mdb_vread(&ipss, sizeof (ipss), kaddr) == -1) {
mdb_warn("failed to read ip_stack_t %p", kaddr);
return (0);
}
kaddr = (uintptr_t)ipss.ips_netstack;
if (mdb_vread(&nss, sizeof (nss), kaddr) == -1) {
mdb_warn("failed to read netstack_t %p", kaddr);
return (0);
}
return (nss.netstack_stackid);
}
/* ARGSUSED */
static int
zone_to_ips_cb(uintptr_t addr, const void *zi_arg, void *zi_cb_arg)
{
zi_cbdata_t *zi_cb = zi_cb_arg;
zone_t zone;
char zone_name[ZONENAME_MAX];
netstack_t ns;
if (mdb_vread(&zone, sizeof (zone_t), addr) == -1) {
mdb_warn("can't read zone at %p", addr);
return (WALK_ERR);
}
(void) mdb_readstr(zone_name, ZONENAME_MAX, (uintptr_t)zone.zone_name);
if (strcmp(zi_cb->zone_name, zone_name) != 0)
return (WALK_NEXT);
zi_cb->shared_ip_zone = (!(zone.zone_flags & ZF_NET_EXCL) &&
(strcmp(zone_name, "global") != 0));
if (mdb_vread(&ns, sizeof (netstack_t), (uintptr_t)zone.zone_netstack)
== -1) {
mdb_warn("can't read netstack at %p", zone.zone_netstack);
return (WALK_ERR);
}
zi_cb->ipst = ns.netstack_ip;
return (WALK_DONE);
}
static ip_stack_t *
zone_to_ips(const char *zone_name)
{
zi_cbdata_t zi_cb;
if (zone_name == NULL)
return (NULL);
zi_cb.zone_name = zone_name;
zi_cb.ipst = NULL;
zi_cb.shared_ip_zone = B_FALSE;
if (mdb_walk("zone", (mdb_walk_cb_t)zone_to_ips_cb, &zi_cb) == -1) {
mdb_warn("failed to walk zone");
return (NULL);
}
if (zi_cb.shared_ip_zone) {
mdb_warn("%s is a Shared-IP zone, try '-s global' instead\n",
zone_name);
return (NULL);
}
if (zi_cb.ipst == NULL) {
mdb_warn("failed to find zone %s\n", zone_name);
return (NULL);
}
return (zi_cb.ipst);
}
/*
* Generic network stack walker initialization function. It is used by all
* other netwrok stack walkers.
*/
int
ns_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);
}
/*
* Generic network stack walker stepping function. It is used by all other
* network stack walkers. The which parameter differentiates the different
* walkers.
*/
int
ns_walk_step(mdb_walk_state_t *wsp, int which)
{
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[which];
return (wsp->walk_callback(kaddr, wsp->walk_layer, wsp->walk_cbdata));
}
/*
* IP network stack walker stepping function.
*/
int
ip_stacks_walk_step(mdb_walk_state_t *wsp)
{
return (ns_walk_step(wsp, NS_IP));
}
/*
* TCP network stack walker stepping function.
*/
int
tcp_stacks_walk_step(mdb_walk_state_t *wsp)
{
return (ns_walk_step(wsp, NS_TCP));
}
/*
* SCTP network stack walker stepping function.
*/
int
sctp_stacks_walk_step(mdb_walk_state_t *wsp)
{
return (ns_walk_step(wsp, NS_SCTP));
}
/*
* UDP network stack walker stepping function.
*/
int
udp_stacks_walk_step(mdb_walk_state_t *wsp)
{
return (ns_walk_step(wsp, NS_UDP));
}
/*
* Initialization function for the per CPU TCP stats counter walker of a given
* TCP stack.
*/
int
tcps_sc_walk_init(mdb_walk_state_t *wsp)
{
tcp_stack_t tcps;
if (wsp->walk_addr == NULL)
return (WALK_ERR);
if (mdb_vread(&tcps, sizeof (tcps), wsp->walk_addr) == -1) {
mdb_warn("failed to read tcp_stack_t at %p", wsp->walk_addr);
return (WALK_ERR);
}
if (tcps.tcps_sc_cnt == 0)
return (WALK_DONE);
/*
* Store the tcp_stack_t pointer in walk_data. The stepping function
* used it to calculate if the end of the counter has reached.
*/
wsp->walk_data = (void *)wsp->walk_addr;
wsp->walk_addr = (uintptr_t)tcps.tcps_sc;
return (WALK_NEXT);
}
/*
* Stepping function for the per CPU TCP stats counterwalker.
*/
int
tcps_sc_walk_step(mdb_walk_state_t *wsp)
{
int status;
tcp_stack_t tcps;
tcp_stats_cpu_t *stats;
char *next, *end;
if (mdb_vread(&tcps, sizeof (tcps), (uintptr_t)wsp->walk_data) == -1) {
mdb_warn("failed to read tcp_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 tcp_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 (tcp_stats_cpu_t *);
end = (char *)tcps.tcps_sc + tcps.tcps_sc_cnt *
sizeof (tcp_stats_cpu_t *);
if (next >= end)
return (WALK_DONE);
wsp->walk_addr = (uintptr_t)next;
return (WALK_NEXT);
}
int
th_hash_walk_init(mdb_walk_state_t *wsp)
{
GElf_Sym sym;
list_node_t *next;
if (wsp->walk_addr == NULL) {
if (mdb_lookup_by_obj("ip", "ip_thread_list", &sym) == 0) {
wsp->walk_addr = sym.st_value;
} else {
mdb_warn("unable to locate ip_thread_list\n");
return (WALK_ERR);
}
}
if (mdb_vread(&next, sizeof (next),
wsp->walk_addr + offsetof(list_t, list_head) +
offsetof(list_node_t, list_next)) == -1 ||
next == NULL) {
mdb_warn("non-DEBUG image; cannot walk th_hash list\n");
return (WALK_ERR);
}
if (mdb_layered_walk("list", wsp) == -1) {
mdb_warn("can't walk 'list'");
return (WALK_ERR);
} else {
return (WALK_NEXT);
}
}
int
th_hash_walk_step(mdb_walk_state_t *wsp)
{
return (wsp->walk_callback(wsp->walk_addr, wsp->walk_layer,
wsp->walk_cbdata));
}
/*
* Called with walk_addr being the address of ips_ill_g_heads
*/
int
illif_stack_walk_init(mdb_walk_state_t *wsp)
{
illif_walk_data_t *iw;
if (wsp->walk_addr == NULL) {
mdb_warn("illif_stack supports only local walks\n");
return (WALK_ERR);
}
iw = mdb_alloc(sizeof (illif_walk_data_t), UM_SLEEP);
if (mdb_vread(iw->ill_g_heads, MAX_G_HEADS * sizeof (ill_g_head_t),
wsp->walk_addr) == -1) {
mdb_warn("failed to read 'ips_ill_g_heads' at %p",
wsp->walk_addr);
mdb_free(iw, sizeof (illif_walk_data_t));
return (WALK_ERR);
}
iw->ill_list = 0;
wsp->walk_addr = (uintptr_t)iw->ill_g_heads[0].ill_g_list_head;
wsp->walk_data = iw;
return (WALK_NEXT);
}
int
illif_stack_walk_step(mdb_walk_state_t *wsp)
{
uintptr_t addr = wsp->walk_addr;
illif_walk_data_t *iw = wsp->walk_data;
int list = iw->ill_list;
if (mdb_vread(&iw->ill_if, sizeof (ill_if_t), addr) == -1) {
mdb_warn("failed to read ill_if_t at %p", addr);
return (WALK_ERR);
}
wsp->walk_addr = (uintptr_t)iw->ill_if.illif_next;
if (wsp->walk_addr ==
(uintptr_t)iw->ill_g_heads[list].ill_g_list_head) {
if (++list >= MAX_G_HEADS)
return (WALK_DONE);
iw->ill_list = list;
wsp->walk_addr =
(uintptr_t)iw->ill_g_heads[list].ill_g_list_head;
return (WALK_NEXT);
}
return (wsp->walk_callback(addr, iw, wsp->walk_cbdata));
}
void
illif_stack_walk_fini(mdb_walk_state_t *wsp)
{
mdb_free(wsp->walk_data, sizeof (illif_walk_data_t));
}
typedef struct illif_cbdata {
uint_t ill_flags;
uintptr_t ill_addr;
int ill_printlist; /* list to be printed (MAX_G_HEADS for all) */
boolean_t ill_printed;
} illif_cbdata_t;
static int
illif_cb(uintptr_t addr, const illif_walk_data_t *iw, illif_cbdata_t *id)
{
const char *version;
if (id->ill_printlist < MAX_G_HEADS &&
id->ill_printlist != iw->ill_list)
return (WALK_NEXT);
if (id->ill_flags & DCMD_ADDRSPEC && id->ill_addr != addr)
return (WALK_NEXT);
if (id->ill_flags & DCMD_PIPE_OUT) {
mdb_printf("%p\n", addr);
return (WALK_NEXT);
}
switch (iw->ill_list) {
case IP_V4_G_HEAD: version = "v4"; break;
case IP_V6_G_HEAD: version = "v6"; break;
default: version = "??"; break;
}
mdb_printf("%?p %2s %?p %10d %?p %s\n",
addr, version, addr + offsetof(ill_if_t, illif_avl_by_ppa),
iw->ill_if.illif_avl_by_ppa.avl_numnodes,
iw->ill_if.illif_ppa_arena, iw->ill_if.illif_name);
id->ill_printed = TRUE;
return (WALK_NEXT);
}
int
ip_stacks_common_walk_init(mdb_walk_state_t *wsp)
{
if (mdb_layered_walk("ip_stacks", wsp) == -1) {
mdb_warn("can't walk 'ip_stacks'");
return (WALK_ERR);
}
return (WALK_NEXT);
}
int
illif_walk_step(mdb_walk_state_t *wsp)
{
uintptr_t kaddr;
kaddr = wsp->walk_addr + OFFSETOF(ip_stack_t, ips_ill_g_heads);
if (mdb_vread(&kaddr, sizeof (kaddr), kaddr) == -1) {
mdb_warn("can't read ips_ip_cache_table at %p", kaddr);
return (WALK_ERR);
}
if (mdb_pwalk("illif_stack", wsp->walk_callback,
wsp->walk_cbdata, kaddr) == -1) {
mdb_warn("couldn't walk 'illif_stack' for ips_ill_g_heads %p",
kaddr);
return (WALK_ERR);
}
return (WALK_NEXT);
}
int
illif(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
illif_cbdata_t id;
ill_if_t ill_if;
const char *opt_P = NULL;
int printlist = MAX_G_HEADS;
if (mdb_getopts(argc, argv,
'P', MDB_OPT_STR, &opt_P, NULL) != argc)
return (DCMD_USAGE);
if (opt_P != NULL) {
if (strcmp("v4", opt_P) == 0) {
printlist = IP_V4_G_HEAD;
} else if (strcmp("v6", opt_P) == 0) {
printlist = IP_V6_G_HEAD;
} else {
mdb_warn("invalid protocol '%s'\n", opt_P);
return (DCMD_USAGE);
}
}
if (DCMD_HDRSPEC(flags) && (flags & DCMD_PIPE_OUT) == 0) {
mdb_printf("%<u>%?s %2s %?s %10s %?s %-10s%</u>\n",
"ADDR", "IP", "AVLADDR", "NUMNODES", "ARENA", "NAME");
}
id.ill_flags = flags;
id.ill_addr = addr;
id.ill_printlist = printlist;
id.ill_printed = FALSE;
if (mdb_walk("illif", (mdb_walk_cb_t)illif_cb, &id) == -1) {
mdb_warn("can't walk ill_if_t structures");
return (DCMD_ERR);
}
if (!(flags & DCMD_ADDRSPEC) || opt_P != NULL || id.ill_printed)
return (DCMD_OK);
/*
* If an address is specified and the walk doesn't find it,
* print it anyway.
*/
if (mdb_vread(&ill_if, sizeof (ill_if_t), addr) == -1) {
mdb_warn("failed to read ill_if_t at %p", addr);
return (DCMD_ERR);
}
mdb_printf("%?p %2s %?p %10d %?p %s\n",
addr, "??", addr + offsetof(ill_if_t, illif_avl_by_ppa),
ill_if.illif_avl_by_ppa.avl_numnodes,
ill_if.illif_ppa_arena, ill_if.illif_name);
return (DCMD_OK);
}
static void
illif_help(void)
{
mdb_printf("Options:\n");
mdb_printf("\t-P v4 | v6"
"\tfilter interface structures for the specified protocol\n");
}
int
nce_walk_init(mdb_walk_state_t *wsp)
{
if (mdb_layered_walk("nce_cache", wsp) == -1) {
mdb_warn("can't walk 'nce_cache'");
return (WALK_ERR);
}
return (WALK_NEXT);
}
int
nce_walk_step(mdb_walk_state_t *wsp)
{
nce_t nce;
if (mdb_vread(&nce, sizeof (nce), wsp->walk_addr) == -1) {
mdb_warn("can't read nce at %p", wsp->walk_addr);
return (WALK_ERR);
}
return (wsp->walk_callback(wsp->walk_addr, &nce, wsp->walk_cbdata));
}
static int
nce_format(uintptr_t addr, const nce_t *ncep, void *nce_cb_arg)
{
nce_cbdata_t *nce_cb = nce_cb_arg;
ill_t ill;
char ill_name[LIFNAMSIZ];
ncec_t ncec;
if (mdb_vread(&ncec, sizeof (ncec),
(uintptr_t)ncep->nce_common) == -1) {
mdb_warn("can't read ncec at %p", ncep->nce_common);
return (WALK_NEXT);
}
if (nce_cb->nce_ipversion != 0 &&
ncec.ncec_ipversion != nce_cb->nce_ipversion)
return (WALK_NEXT);
if (mdb_vread(&ill, sizeof (ill), (uintptr_t)ncep->nce_ill) == -1) {
mdb_snprintf(ill_name, sizeof (ill_name), "--");
} else {
(void) mdb_readstr(ill_name,
MIN(LIFNAMSIZ, ill.ill_name_length),
(uintptr_t)ill.ill_name);
}
if (nce_cb->nce_ill_name[0] != '\0' &&
strncmp(nce_cb->nce_ill_name, ill_name, LIFNAMSIZ) != 0)
return (WALK_NEXT);
if (ncec.ncec_ipversion == IPV6_VERSION) {
mdb_printf("%?p %5s %-18s %?p %6d %N\n",
addr, ill_name,
nce_l2_addr(ncep, &ill),
ncep->nce_fp_mp,
ncep->nce_refcnt,
&ncep->nce_addr);
} else {
struct in_addr nceaddr;
IN6_V4MAPPED_TO_INADDR(&ncep->nce_addr, &nceaddr);
mdb_printf("%?p %5s %-18s %?p %6d %I\n",
addr, ill_name,
nce_l2_addr(ncep, &ill),
ncep->nce_fp_mp,
ncep->nce_refcnt,
nceaddr.s_addr);
}
return (WALK_NEXT);
}
int
dce_walk_init(mdb_walk_state_t *wsp)
{
wsp->walk_data = (void *)wsp->walk_addr;
if (mdb_layered_walk("dce_cache", wsp) == -1) {
mdb_warn("can't walk 'dce_cache'");
return (WALK_ERR);
}
return (WALK_NEXT);
}
int
dce_walk_step(mdb_walk_state_t *wsp)
{
dce_t dce;
if (mdb_vread(&dce, sizeof (dce), wsp->walk_addr) == -1) {
mdb_warn("can't read dce at %p", wsp->walk_addr);
return (WALK_ERR);
}
/* If ip_stack_t is specified, skip DCEs that don't belong to it. */
if ((wsp->walk_data != NULL) && (wsp->walk_data != dce.dce_ipst))
return (WALK_NEXT);
return (wsp->walk_callback(wsp->walk_addr, &dce, wsp->walk_cbdata));
}
int
ire_walk_init(mdb_walk_state_t *wsp)
{
wsp->walk_data = (void *)wsp->walk_addr;
if (mdb_layered_walk("ire_cache", wsp) == -1) {
mdb_warn("can't walk 'ire_cache'");
return (WALK_ERR);
}
return (WALK_NEXT);
}
int
ire_walk_step(mdb_walk_state_t *wsp)
{
ire_t ire;
if (mdb_vread(&ire, sizeof (ire), wsp->walk_addr) == -1) {
mdb_warn("can't read ire at %p", wsp->walk_addr);
return (WALK_ERR);
}
/* If ip_stack_t is specified, skip IREs that don't belong to it. */
if ((wsp->walk_data != NULL) && (wsp->walk_data != ire.ire_ipst))
return (WALK_NEXT);
return (wsp->walk_callback(wsp->walk_addr, &ire, wsp->walk_cbdata));
}
/* ARGSUSED */
int
ire_next_walk_init(mdb_walk_state_t *wsp)
{
return (WALK_NEXT);
}
int
ire_next_walk_step(mdb_walk_state_t *wsp)
{
ire_t ire;
int status;
if (wsp->walk_addr == NULL)
return (WALK_DONE);
if (mdb_vread(&ire, sizeof (ire), wsp->walk_addr) == -1) {
mdb_warn("can't read ire at %p", wsp->walk_addr);
return (WALK_ERR);
}
status = wsp->walk_callback(wsp->walk_addr, &ire,
wsp->walk_cbdata);
if (status != WALK_NEXT)
return (status);
wsp->walk_addr = (uintptr_t)ire.ire_next;
return (status);
}
static int
ire_format(uintptr_t addr, const void *ire_arg, void *ire_cb_arg)
{
const ire_t *irep = ire_arg;
ire_cbdata_t *ire_cb = ire_cb_arg;
boolean_t verbose = ire_cb->verbose;
ill_t ill;
char ill_name[LIFNAMSIZ];
boolean_t condemned = irep->ire_generation == IRE_GENERATION_CONDEMNED;
static const mdb_bitmask_t tmasks[] = {
{ "BROADCAST", IRE_BROADCAST, IRE_BROADCAST },
{ "DEFAULT", IRE_DEFAULT, IRE_DEFAULT },
{ "LOCAL", IRE_LOCAL, IRE_LOCAL },
{ "LOOPBACK", IRE_LOOPBACK, IRE_LOOPBACK },
{ "PREFIX", IRE_PREFIX, IRE_PREFIX },
{ "MULTICAST", IRE_MULTICAST, IRE_MULTICAST },
{ "NOROUTE", IRE_NOROUTE, IRE_NOROUTE },
{ "IF_NORESOLVER", IRE_IF_NORESOLVER, IRE_IF_NORESOLVER },
{ "IF_RESOLVER", IRE_IF_RESOLVER, IRE_IF_RESOLVER },
{ "IF_CLONE", IRE_IF_CLONE, IRE_IF_CLONE },
{ "HOST", IRE_HOST, IRE_HOST },
{ NULL, 0, 0 }
};
static const mdb_bitmask_t fmasks[] = {
{ "UP", RTF_UP, RTF_UP },
{ "GATEWAY", RTF_GATEWAY, RTF_GATEWAY },
{ "HOST", RTF_HOST, RTF_HOST },
{ "REJECT", RTF_REJECT, RTF_REJECT },
{ "DYNAMIC", RTF_DYNAMIC, RTF_DYNAMIC },
{ "MODIFIED", RTF_MODIFIED, RTF_MODIFIED },
{ "DONE", RTF_DONE, RTF_DONE },
{ "MASK", RTF_MASK, RTF_MASK },
{ "CLONING", RTF_CLONING, RTF_CLONING },
{ "XRESOLVE", RTF_XRESOLVE, RTF_XRESOLVE },
{ "LLINFO", RTF_LLINFO, RTF_LLINFO },
{ "STATIC", RTF_STATIC, RTF_STATIC },
{ "BLACKHOLE", RTF_BLACKHOLE, RTF_BLACKHOLE },
{ "PRIVATE", RTF_PRIVATE, RTF_PRIVATE },
{ "PROTO2", RTF_PROTO2, RTF_PROTO2 },
{ "PROTO1", RTF_PROTO1, RTF_PROTO1 },
{ "MULTIRT", RTF_MULTIRT, RTF_MULTIRT },
{ "SETSRC", RTF_SETSRC, RTF_SETSRC },
{ "INDIRECT", RTF_INDIRECT, RTF_INDIRECT },
{ NULL, 0, 0 }
};
if (ire_cb->ire_ipversion != 0 &&
irep->ire_ipversion != ire_cb->ire_ipversion)
return (WALK_NEXT);
if (mdb_vread(&ill, sizeof (ill), (uintptr_t)irep->ire_ill) == -1) {
mdb_snprintf(ill_name, sizeof (ill_name), "--");
} else {
(void) mdb_readstr(ill_name,
MIN(LIFNAMSIZ, ill.ill_name_length),
(uintptr_t)ill.ill_name);
}
if (irep->ire_ipversion == IPV6_VERSION && verbose) {
mdb_printf("%<b>%?p%</b>%3s %40N <%hb%s>\n"
"%?s %40N\n"
"%?s %40d %4d <%hb> %s\n",
addr, condemned ? "(C)" : "", &irep->ire_setsrc_addr_v6,
irep->ire_type, tmasks,
(irep->ire_testhidden ? ", HIDDEN" : ""),
"", &irep->ire_addr_v6,
"", ips_to_stackid((uintptr_t)irep->ire_ipst),
irep->ire_zoneid,
irep->ire_flags, fmasks, ill_name);
} else if (irep->ire_ipversion == IPV6_VERSION) {
mdb_printf("%?p%3s %30N %30N %5d %4d %s\n",
addr, condemned ? "(C)" : "", &irep->ire_setsrc_addr_v6,
&irep->ire_addr_v6,
ips_to_stackid((uintptr_t)irep->ire_ipst),
irep->ire_zoneid, ill_name);
} else if (verbose) {
mdb_printf("%<b>%?p%</b>%3s %40I <%hb%s>\n"
"%?s %40I\n"
"%?s %40d %4d <%hb> %s\n",
addr, condemned ? "(C)" : "", irep->ire_setsrc_addr,
irep->ire_type, tmasks,
(irep->ire_testhidden ? ", HIDDEN" : ""),
"", irep->ire_addr,
"", ips_to_stackid((uintptr_t)irep->ire_ipst),
irep->ire_zoneid, irep->ire_flags, fmasks, ill_name);
} else {
mdb_printf("%?p%3s %30I %30I %5d %4d %s\n", addr,
condemned ? "(C)" : "", irep->ire_setsrc_addr,
irep->ire_addr, ips_to_stackid((uintptr_t)irep->ire_ipst),
irep->ire_zoneid, ill_name);
}
return (WALK_NEXT);
}
/*
* There are faster ways to do this. Given the interactive nature of this
* use I don't think its worth much effort.
*/
static unsigned short
ipcksum(void *p, int len)
{
int32_t sum = 0;
while (len > 1) {
/* alignment */
sum += *(uint16_t *)p;
p = (char *)p + sizeof (uint16_t);
if (sum & 0x80000000)
sum = (sum & 0xFFFF) + (sum >> 16);
len -= 2;
}
if (len)
sum += (uint16_t)*(unsigned char *)p;
while (sum >> 16)
sum = (sum & 0xFFFF) + (sum >> 16);
return (~sum);
}
static const mdb_bitmask_t tcp_flags[] = {
{ "SYN", TH_SYN, TH_SYN },
{ "ACK", TH_ACK, TH_ACK },
{ "FIN", TH_FIN, TH_FIN },
{ "RST", TH_RST, TH_RST },
{ "PSH", TH_PUSH, TH_PUSH },
{ "ECE", TH_ECE, TH_ECE },
{ "CWR", TH_CWR, TH_CWR },
{ NULL, 0, 0 }
};
/* TCP option length */
#define TCPOPT_HEADER_LEN 2
#define TCPOPT_MAXSEG_LEN 4
#define TCPOPT_WS_LEN 3
#define TCPOPT_TSTAMP_LEN 10
#define TCPOPT_SACK_OK_LEN 2
static void
tcphdr_print_options(uint8_t *opts, uint32_t opts_len)
{
uint8_t *endp;
uint32_t len, val;
mdb_printf("%<b>Options:%</b>");
endp = opts + opts_len;
while (opts < endp) {
len = endp - opts;
switch (*opts) {
case TCPOPT_EOL:
mdb_printf(" EOL");
opts++;
break;
case TCPOPT_NOP:
mdb_printf(" NOP");
opts++;
break;
case TCPOPT_MAXSEG: {
uint16_t mss;
if (len < TCPOPT_MAXSEG_LEN ||
opts[1] != TCPOPT_MAXSEG_LEN) {
mdb_printf(" <Truncated MSS>\n");
return;
}
mdb_nhconvert(&mss, opts + TCPOPT_HEADER_LEN,
sizeof (mss));
mdb_printf(" MSS=%u", mss);
opts += TCPOPT_MAXSEG_LEN;
break;
}
case TCPOPT_WSCALE:
if (len < TCPOPT_WS_LEN || opts[1] != TCPOPT_WS_LEN) {
mdb_printf(" <Truncated WS>\n");
return;
}
mdb_printf(" WS=%u", opts[2]);
opts += TCPOPT_WS_LEN;
break;
case TCPOPT_TSTAMP: {
if (len < TCPOPT_TSTAMP_LEN ||
opts[1] != TCPOPT_TSTAMP_LEN) {
mdb_printf(" <Truncated TS>\n");
return;
}
opts += TCPOPT_HEADER_LEN;
mdb_nhconvert(&val, opts, sizeof (val));
mdb_printf(" TS_VAL=%u,", val);
opts += sizeof (val);
mdb_nhconvert(&val, opts, sizeof (val));
mdb_printf("TS_ECHO=%u", val);
opts += sizeof (val);
break;
}
case TCPOPT_SACK_PERMITTED:
if (len < TCPOPT_SACK_OK_LEN ||
opts[1] != TCPOPT_SACK_OK_LEN) {
mdb_printf(" <Truncated SACK_OK>\n");
return;
}
mdb_printf(" SACK_OK");
opts += TCPOPT_SACK_OK_LEN;
break;
case TCPOPT_SACK: {
uint32_t sack_len;
if (len <= TCPOPT_HEADER_LEN || len < opts[1] ||
opts[1] <= TCPOPT_HEADER_LEN) {
mdb_printf(" <Truncated SACK>\n");
return;
}
sack_len = opts[1] - TCPOPT_HEADER_LEN;
opts += TCPOPT_HEADER_LEN;
mdb_printf(" SACK=");
while (sack_len > 0) {
if (opts + 2 * sizeof (val) > endp) {
mdb_printf("<Truncated SACK>\n");
opts = endp;
break;
}
mdb_nhconvert(&val, opts, sizeof (val));
mdb_printf("<%u,", val);
opts += sizeof (val);
mdb_nhconvert(&val, opts, sizeof (val));
mdb_printf("%u>", val);
opts += sizeof (val);
sack_len -= 2 * sizeof (val);
}
break;
}
default:
mdb_printf(" Opts=<val=%u,len=%u>", *opts,
opts[1]);
opts += opts[1];
break;
}
}
mdb_printf("\n");
}
static void
tcphdr_print(struct tcphdr *tcph)
{
in_port_t sport, dport;
tcp_seq seq, ack;
uint16_t win, urp;
mdb_printf("%<b>TCP header%</b>\n");
mdb_nhconvert(&sport, &tcph->th_sport, sizeof (sport));
mdb_nhconvert(&dport, &tcph->th_dport, sizeof (dport));
mdb_nhconvert(&seq, &tcph->th_seq, sizeof (seq));
mdb_nhconvert(&ack, &tcph->th_ack, sizeof (ack));
mdb_nhconvert(&win, &tcph->th_win, sizeof (win));
mdb_nhconvert(&urp, &tcph->th_urp, sizeof (urp));
mdb_printf("%<u>%6s %6s %10s %10s %4s %5s %5s %5s %-15s%</u>\n",
"SPORT", "DPORT", "SEQ", "ACK", "HLEN", "WIN", "CSUM", "URP",
"FLAGS");
mdb_printf("%6hu %6hu %10u %10u %4d %5hu %5hu %5hu <%b>\n",
sport, dport, seq, ack, tcph->th_off << 2, win,
tcph->th_sum, urp, tcph->th_flags, tcp_flags);
mdb_printf("0x%04x 0x%04x 0x%08x 0x%08x\n\n",
sport, dport, seq, ack);
}
/* ARGSUSED */
static int
tcphdr(uintptr_t addr, uint_t flags, int ac, const mdb_arg_t *av)
{
struct tcphdr tcph;
uint32_t opt_len;
if (!(flags & DCMD_ADDRSPEC))
return (DCMD_USAGE);
if (mdb_vread(&tcph, sizeof (tcph), addr) == -1) {
mdb_warn("failed to read TCP header at %p", addr);
return (DCMD_ERR);
}
tcphdr_print(&tcph);
/* If there are options, print them out also. */
opt_len = (tcph.th_off << 2) - TCP_MIN_HEADER_LENGTH;
if (opt_len > 0) {
uint8_t *opts, *opt_buf;
opt_buf = mdb_alloc(opt_len, UM_SLEEP);
opts = (uint8_t *)addr + sizeof (tcph);
if (mdb_vread(opt_buf, opt_len, (uintptr_t)opts) == -1) {
mdb_warn("failed to read TCP options at %p", opts);
return (DCMD_ERR);
}
tcphdr_print_options(opt_buf, opt_len);
mdb_free(opt_buf, opt_len);
}
return (DCMD_OK);
}
static void
udphdr_print(struct udphdr *udph)
{
in_port_t sport, dport;
uint16_t hlen;
mdb_printf("%<b>UDP header%</b>\n");
mdb_nhconvert(&sport, &udph->uh_sport, sizeof (sport));
mdb_nhconvert(&dport, &udph->uh_dport, sizeof (dport));
mdb_nhconvert(&hlen, &udph->uh_ulen, sizeof (hlen));
mdb_printf("%<u>%14s %14s %5s %6s%</u>\n",
"SPORT", "DPORT", "LEN", "CSUM");
mdb_printf("%5hu (0x%04x) %5hu (0x%04x) %5hu 0x%04hx\n\n", sport, sport,
dport, dport, hlen, udph->uh_sum);
}
/* ARGSUSED */
static int
udphdr(uintptr_t addr, uint_t flags, int ac, const mdb_arg_t *av)
{
struct udphdr udph;
if (!(flags & DCMD_ADDRSPEC))
return (DCMD_USAGE);
if (mdb_vread(&udph, sizeof (udph), addr) == -1) {
mdb_warn("failed to read UDP header at %p", addr);
return (DCMD_ERR);
}
udphdr_print(&udph);
return (DCMD_OK);
}
static void
sctphdr_print(sctp_hdr_t *sctph)
{
in_port_t sport, dport;
mdb_printf("%<b>SCTP header%</b>\n");
mdb_nhconvert(&sport, &sctph->sh_sport, sizeof (sport));
mdb_nhconvert(&dport, &sctph->sh_dport, sizeof (dport));
mdb_printf("%<u>%14s %14s %10s %10s%</u>\n",
"SPORT", "DPORT", "VTAG", "CHKSUM");
mdb_printf("%5hu (0x%04x) %5hu (0x%04x) %10u 0x%08x\n\n", sport, sport,
dport, dport, sctph->sh_verf, sctph->sh_chksum);
}
/* ARGSUSED */
static int
sctphdr(uintptr_t addr, uint_t flags, int ac, const mdb_arg_t *av)
{
sctp_hdr_t sctph;
if (!(flags & DCMD_ADDRSPEC))
return (DCMD_USAGE);
if (mdb_vread(&sctph, sizeof (sctph), addr) == -1) {
mdb_warn("failed to read SCTP header at %p", addr);
return (DCMD_ERR);
}
sctphdr_print(&sctph);
return (DCMD_OK);
}
static int
transport_hdr(int proto, uintptr_t addr)
{
mdb_printf("\n");
switch (proto) {
case IPPROTO_TCP: {
struct tcphdr tcph;
if (mdb_vread(&tcph, sizeof (tcph), addr) == -1) {
mdb_warn("failed to read TCP header at %p", addr);
return (DCMD_ERR);
}
tcphdr_print(&tcph);
break;
}
case IPPROTO_UDP: {
struct udphdr udph;
if (mdb_vread(&udph, sizeof (udph), addr) == -1) {
mdb_warn("failed to read UDP header at %p", addr);
return (DCMD_ERR);
}
udphdr_print(&udph);
break;
}
case IPPROTO_SCTP: {
sctp_hdr_t sctph;
if (mdb_vread(&sctph, sizeof (sctph), addr) == -1) {
mdb_warn("failed to read SCTP header at %p", addr);
return (DCMD_ERR);
}
sctphdr_print(&sctph);
break;
}
default:
break;
}
return (DCMD_OK);
}
static const mdb_bitmask_t ip_flags[] = {
{ "DF", IPH_DF, IPH_DF },
{ "MF", IPH_MF, IPH_MF },
{ NULL, 0, 0 }
};
/* ARGSUSED */
static int
iphdr(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
uint_t verbose = FALSE, force = FALSE;
ipha_t iph[1];
uint16_t ver, totlen, hdrlen, ipid, off, csum;
uintptr_t nxt_proto;
char exp_csum[8];
if (mdb_getopts(argc, argv,
'v', MDB_OPT_SETBITS, TRUE, &verbose,
'f', MDB_OPT_SETBITS, TRUE, &force, NULL) != argc)
return (DCMD_USAGE);
if (mdb_vread(iph, sizeof (*iph), addr) == -1) {
mdb_warn("failed to read IPv4 header at %p", addr);
return (DCMD_ERR);
}
ver = (iph->ipha_version_and_hdr_length & 0xf0) >> 4;
if (ver != IPV4_VERSION) {
if (ver == IPV6_VERSION) {
return (ip6hdr(addr, flags, argc, argv));
} else if (!force) {
mdb_warn("unknown IP version: %d\n", ver);
return (DCMD_ERR);
}
}
mdb_printf("%<b>IPv4 header%</b>\n");
mdb_printf("%-34s %-34s\n"
"%<u>%-4s %-4s %-5s %-5s %-6s %-5s %-5s %-6s %-8s %-6s%</u>\n",
"SRC", "DST",
"HLEN", "TOS", "LEN", "ID", "OFFSET", "TTL", "PROTO", "CHKSUM",
"EXP-CSUM", "FLGS");
hdrlen = (iph->ipha_version_and_hdr_length & 0x0f) << 2;
mdb_nhconvert(&totlen, &iph->ipha_length, sizeof (totlen));
mdb_nhconvert(&ipid, &iph->ipha_ident, sizeof (ipid));
mdb_nhconvert(&off, &iph->ipha_fragment_offset_and_flags, sizeof (off));
if (hdrlen == IP_SIMPLE_HDR_LENGTH) {
if ((csum = ipcksum(iph, sizeof (*iph))) != 0)
csum = ~(~csum + ~iph->ipha_hdr_checksum);
else
csum = iph->ipha_hdr_checksum;
mdb_snprintf(exp_csum, 8, "%u", csum);
} else {
mdb_snprintf(exp_csum, 8, "<n/a>");
}
mdb_printf("%-34I %-34I%\n"
"%-4d %-4d %-5hu %-5hu %-6hu %-5hu %-5hu %-6u %-8s <%5hb>\n",
iph->ipha_src, iph->ipha_dst,
hdrlen, iph->ipha_type_of_service, totlen, ipid,
(off << 3) & 0xffff, iph->ipha_ttl, iph->ipha_protocol,
iph->ipha_hdr_checksum, exp_csum, off, ip_flags);
if (verbose) {
nxt_proto = addr + hdrlen;
return (transport_hdr(iph->ipha_protocol, nxt_proto));
} else {
return (DCMD_OK);
}
}
/* ARGSUSED */
static int
ip6hdr(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
uint_t verbose = FALSE, force = FALSE;
ip6_t iph[1];
int ver, class, flow;
uint16_t plen;
uintptr_t nxt_proto;
if (mdb_getopts(argc, argv,
'v', MDB_OPT_SETBITS, TRUE, &verbose,
'f', MDB_OPT_SETBITS, TRUE, &force, NULL) != argc)
return (DCMD_USAGE);
if (mdb_vread(iph, sizeof (*iph), addr) == -1) {
mdb_warn("failed to read IPv6 header at %p", addr);
return (DCMD_ERR);
}
ver = (iph->ip6_vfc & 0xf0) >> 4;
if (ver != IPV6_VERSION) {
if (ver == IPV4_VERSION) {
return (iphdr(addr, flags, argc, argv));
} else if (!force) {
mdb_warn("unknown IP version: %d\n", ver);
return (DCMD_ERR);
}
}
mdb_printf("%<b>IPv6 header%</b>\n");
mdb_printf("%<u>%-26s %-26s %4s %7s %5s %3s %3s%</u>\n",
"SRC", "DST", "TCLS", "FLOW-ID", "PLEN", "NXT", "HOP");
class = (iph->ip6_vcf & IPV6_FLOWINFO_TCLASS) >> 20;
mdb_nhconvert(&class, &class, sizeof (class));
flow = iph->ip6_vcf & IPV6_FLOWINFO_FLOWLABEL;
mdb_nhconvert(&flow, &flow, sizeof (flow));
mdb_nhconvert(&plen, &iph->ip6_plen, sizeof (plen));
mdb_printf("%-26N %-26N %4d %7d %5hu %3d %3d\n",
&iph->ip6_src, &iph->ip6_dst,
class, flow, plen, iph->ip6_nxt, iph->ip6_hlim);
if (verbose) {
nxt_proto = addr + sizeof (ip6_t);
return (transport_hdr(iph->ip6_nxt, nxt_proto));
} else {
return (DCMD_OK);
}
}
int
nce(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
nce_t nce;
nce_cbdata_t nce_cb;
int ipversion = 0;
const char *opt_P = NULL, *opt_ill;
if (mdb_getopts(argc, argv,
'i', MDB_OPT_STR, &opt_ill,
'P', MDB_OPT_STR, &opt_P, NULL) != argc)
return (DCMD_USAGE);
if (opt_P != NULL) {
if (strcmp("v4", opt_P) == 0) {
ipversion = IPV4_VERSION;
} else if (strcmp("v6", opt_P) == 0) {
ipversion = IPV6_VERSION;
} else {
mdb_warn("invalid protocol '%s'\n", opt_P);
return (DCMD_USAGE);
}
}
if ((flags & DCMD_LOOPFIRST) || !(flags & DCMD_LOOP)) {
mdb_printf("%<u>%?s %5s %18s %?s %s %s %</u>\n",
"ADDR", "INTF", "LLADDR", "FP_MP", "REFCNT",
"NCE_ADDR");
}
bzero(&nce_cb, sizeof (nce_cb));
if (opt_ill != NULL) {
strcpy(nce_cb.nce_ill_name, opt_ill);
}
nce_cb.nce_ipversion = ipversion;
if (flags & DCMD_ADDRSPEC) {
(void) mdb_vread(&nce, sizeof (nce_t), addr);
(void) nce_format(addr, &nce, &nce_cb);
} else if (mdb_walk("nce", (mdb_walk_cb_t)nce_format, &nce_cb) == -1) {
mdb_warn("failed to walk ire table");
return (DCMD_ERR);
}
return (DCMD_OK);
}
/* ARGSUSED */
static int
dce_format(uintptr_t addr, const dce_t *dcep, void *dce_cb_arg)
{
static const mdb_bitmask_t dmasks[] = {
{ "D", DCEF_DEFAULT, DCEF_DEFAULT },
{ "P", DCEF_PMTU, DCEF_PMTU },
{ "U", DCEF_UINFO, DCEF_UINFO },
{ "S", DCEF_TOO_SMALL_PMTU, DCEF_TOO_SMALL_PMTU },
{ NULL, 0, 0 }
};
char flagsbuf[2 * A_CNT(dmasks)];
int ipversion = *(int *)dce_cb_arg;
boolean_t condemned = dcep->dce_generation == DCE_GENERATION_CONDEMNED;
if (ipversion != 0 && ipversion != dcep->dce_ipversion)
return (WALK_NEXT);
mdb_snprintf(flagsbuf, sizeof (flagsbuf), "%b", dcep->dce_flags,
dmasks);
switch (dcep->dce_ipversion) {
case IPV4_VERSION:
mdb_printf("%<u>%?p%3s %8s %8d %30I %</u>\n", addr, condemned ?
"(C)" : "", flagsbuf, dcep->dce_pmtu, &dcep->dce_v4addr);
break;
case IPV6_VERSION:
mdb_printf("%<u>%?p%3s %8s %8d %30N %</u>\n", addr, condemned ?
"(C)" : "", flagsbuf, dcep->dce_pmtu, &dcep->dce_v6addr);
break;
default:
mdb_printf("%<u>%?p%3s %8s %8d %30s %</u>\n", addr, condemned ?
"(C)" : "", flagsbuf, dcep->dce_pmtu, "");
}
return (WALK_NEXT);
}
int
dce(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
dce_t dce;
const char *opt_P = NULL;
const char *zone_name = NULL;
ip_stack_t *ipst = NULL;
int ipversion = 0;
if (mdb_getopts(argc, argv,
's', MDB_OPT_STR, &zone_name,
'P', MDB_OPT_STR, &opt_P, NULL) != argc)
return (DCMD_USAGE);
/* Follow the specified zone name to find a ip_stack_t*. */
if (zone_name != NULL) {
ipst = zone_to_ips(zone_name);
if (ipst == NULL)
return (DCMD_USAGE);
}
if (opt_P != NULL) {
if (strcmp("v4", opt_P) == 0) {
ipversion = IPV4_VERSION;
} else if (strcmp("v6", opt_P) == 0) {
ipversion = IPV6_VERSION;
} else {
mdb_warn("invalid protocol '%s'\n", opt_P);
return (DCMD_USAGE);
}
}
if ((flags & DCMD_LOOPFIRST) || !(flags & DCMD_LOOP)) {
mdb_printf("%<u>%?s%3s %8s %8s %30s %</u>\n",
"ADDR", "", "FLAGS", "PMTU", "DST_ADDR");
}
if (flags & DCMD_ADDRSPEC) {
(void) mdb_vread(&dce, sizeof (dce_t), addr);
(void) dce_format(addr, &dce, &ipversion);
} else if (mdb_pwalk("dce", (mdb_walk_cb_t)dce_format, &ipversion,
(uintptr_t)ipst) == -1) {
mdb_warn("failed to walk dce cache");
return (DCMD_ERR);
}
return (DCMD_OK);
}
int
ire(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
uint_t verbose = FALSE;
ire_t ire;
ire_cbdata_t ire_cb;
int ipversion = 0;
const char *opt_P = NULL;
const char *zone_name = NULL;
ip_stack_t *ipst = NULL;
if (mdb_getopts(argc, argv,
'v', MDB_OPT_SETBITS, TRUE, &verbose,
's', MDB_OPT_STR, &zone_name,
'P', MDB_OPT_STR, &opt_P, NULL) != argc)
return (DCMD_USAGE);
/* Follow the specified zone name to find a ip_stack_t*. */
if (zone_name != NULL) {
ipst = zone_to_ips(zone_name);
if (ipst == NULL)
return (DCMD_USAGE);
}
if (opt_P != NULL) {
if (strcmp("v4", opt_P) == 0) {
ipversion = IPV4_VERSION;
} else if (strcmp("v6", opt_P) == 0) {
ipversion = IPV6_VERSION;
} else {
mdb_warn("invalid protocol '%s'\n", opt_P);
return (DCMD_USAGE);
}
}
if ((flags & DCMD_LOOPFIRST) || !(flags & DCMD_LOOP)) {
if (verbose) {
mdb_printf("%?s %40s %-20s%\n"
"%?s %40s %-20s%\n"
"%<u>%?s %40s %4s %-20s %s%</u>\n",
"ADDR", "SRC", "TYPE",
"", "DST", "MARKS",
"", "STACK", "ZONE", "FLAGS", "INTF");
} else {
mdb_printf("%<u>%?s %30s %30s %5s %4s %s%</u>\n",
"ADDR", "SRC", "DST", "STACK", "ZONE", "INTF");
}
}
ire_cb.verbose = (verbose == TRUE);
ire_cb.ire_ipversion = ipversion;
if (flags & DCMD_ADDRSPEC) {
(void) mdb_vread(&ire, sizeof (ire_t), addr);
(void) ire_format(addr, &ire, &ire_cb);
} else if (mdb_pwalk("ire", (mdb_walk_cb_t)ire_format, &ire_cb,
(uintptr_t)ipst) == -1) {
mdb_warn("failed to walk ire table");
return (DCMD_ERR);
}
return (DCMD_OK);
}
static size_t
mi_osize(const queue_t *q)
{
/*
* The code in common/inet/mi.c allocates an extra word to store the
* size of the allocation. An mi_o_s is thus a size_t plus an mi_o_s.
*/
struct mi_block {
size_t mi_nbytes;
struct mi_o_s mi_o;
} m;
if (mdb_vread(&m, sizeof (m), (uintptr_t)q->q_ptr -
sizeof (m)) == sizeof (m))
return (m.mi_nbytes - sizeof (m));
return (0);
}
static void
ip_ill_qinfo(const queue_t *q, char *buf, size_t nbytes)
{
char name[32];
ill_t ill;
if (mdb_vread(&ill, sizeof (ill),
(uintptr_t)q->q_ptr) == sizeof (ill) &&
mdb_readstr(name, sizeof (name), (uintptr_t)ill.ill_name) > 0)
(void) mdb_snprintf(buf, nbytes, "if: %s", name);
}
void
ip_qinfo(const queue_t *q, char *buf, size_t nbytes)
{
size_t size = mi_osize(q);
if (size == sizeof (ill_t))
ip_ill_qinfo(q, buf, nbytes);
}
uintptr_t
ip_rnext(const queue_t *q)
{
size_t size = mi_osize(q);
ill_t ill;
if (size == sizeof (ill_t) && mdb_vread(&ill, sizeof (ill),
(uintptr_t)q->q_ptr) == sizeof (ill))
return ((uintptr_t)ill.ill_rq);
return (NULL);
}
uintptr_t
ip_wnext(const queue_t *q)
{
size_t size = mi_osize(q);
ill_t ill;
if (size == sizeof (ill_t) && mdb_vread(&ill, sizeof (ill),
(uintptr_t)q->q_ptr) == sizeof (ill))
return ((uintptr_t)ill.ill_wq);
return (NULL);
}
/*
* Print the core fields in an squeue_t. With the "-v" argument,
* provide more verbose output.
*/
static int
squeue(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
unsigned int i;
unsigned int verbose = FALSE;
const int SQUEUE_STATEDELT = (int)(sizeof (uintptr_t) + 9);
boolean_t arm;
squeue_t squeue;
if (!(flags & DCMD_ADDRSPEC)) {
if (mdb_walk_dcmd("genunix`squeue_cache", "ip`squeue",
argc, argv) == -1) {
mdb_warn("failed to walk squeue cache");
return (DCMD_ERR);
}
return (DCMD_OK);
}
if (mdb_getopts(argc, argv, 'v', MDB_OPT_SETBITS, TRUE, &verbose, NULL)
!= argc)
return (DCMD_USAGE);
if (!DCMD_HDRSPEC(flags) && verbose)
mdb_printf("\n\n");
if (DCMD_HDRSPEC(flags) || verbose) {
mdb_printf("%?s %-5s %-3s %?s %?s %?s\n",
"ADDR", "STATE", "CPU",
"FIRST", "LAST", "WORKER");
}
if (mdb_vread(&squeue, sizeof (squeue_t), addr) == -1) {
mdb_warn("cannot read squeue_t at %p", addr);
return (DCMD_ERR);
}
mdb_printf("%0?p %05x %3d %0?p %0?p %0?p\n",
addr, squeue.sq_state, squeue.sq_bind,
squeue.sq_first, squeue.sq_last, squeue.sq_worker);
if (!verbose)
return (DCMD_OK);
arm = B_TRUE;
for (i = 0; squeue_states[i].bit_name != NULL; i++) {
if (((squeue.sq_state) & (1 << i)) == 0)
continue;
if (arm) {
mdb_printf("%*s|\n", SQUEUE_STATEDELT, "");
mdb_printf("%*s+--> ", SQUEUE_STATEDELT, "");
arm = B_FALSE;
} else
mdb_printf("%*s ", SQUEUE_STATEDELT, "");
mdb_printf("%-12s %s\n", squeue_states[i].bit_name,
squeue_states[i].bit_descr);
}
return (DCMD_OK);
}
static void
ip_squeue_help(void)
{
mdb_printf("Print the core information for a given NCA squeue_t.\n\n");
mdb_printf("Options:\n");
mdb_printf("\t-v\tbe verbose (more descriptive)\n");
}
/*
* This is called by ::th_trace (via a callback) when walking the th_hash
* list. It calls modent to find the entries.
*/
/* ARGSUSED */
static int
modent_summary(uintptr_t addr, const void *data, void *private)
{
th_walk_data_t *thw = private;
const struct mod_hash_entry *mhe = data;
th_trace_t th;
if (mdb_vread(&th, sizeof (th), (uintptr_t)mhe->mhe_val) == -1) {
mdb_warn("failed to read th_trace_t %p", mhe->mhe_val);
return (WALK_ERR);
}
if (th.th_refcnt == 0 && thw->thw_non_zero_only)
return (WALK_NEXT);
if (!thw->thw_match) {
mdb_printf("%?p %?p %?p %8d %?p\n", thw->thw_ipst, mhe->mhe_key,
mhe->mhe_val, th.th_refcnt, th.th_id);
} else if (thw->thw_matchkey == (uintptr_t)mhe->mhe_key) {
int i, j, k;
tr_buf_t *tr;
mdb_printf("Object %p in IP stack %p:\n", mhe->mhe_key,
thw->thw_ipst);
i = th.th_trace_lastref;
mdb_printf("\tThread %p refcnt %d:\n", th.th_id,
th.th_refcnt);
for (j = TR_BUF_MAX; j > 0; j--) {
tr = th.th_trbuf + i;
if (tr->tr_depth == 0 || tr->tr_depth > TR_STACK_DEPTH)
break;
mdb_printf("\t T%+ld:\n", tr->tr_time -
thw->thw_lbolt);
for (k = 0; k < tr->tr_depth; k++)
mdb_printf("\t\t%a\n", tr->tr_stack[k]);
if (--i < 0)
i = TR_BUF_MAX - 1;
}
}
return (WALK_NEXT);
}
/*
* This is called by ::th_trace (via a callback) when walking the th_hash
* list. It calls modent to find the entries.
*/
/* ARGSUSED */
static int
th_hash_summary(uintptr_t addr, const void *data, void *private)
{
const th_hash_t *thh = data;
th_walk_data_t *thw = private;
thw->thw_ipst = (uintptr_t)thh->thh_ipst;
return (mdb_pwalk("modent", modent_summary, private,
(uintptr_t)thh->thh_hash));
}
/*
* Print or summarize the th_trace_t structures.
*/
static int
th_trace(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
th_walk_data_t thw;
(void) memset(&thw, 0, sizeof (thw));
if (mdb_getopts(argc, argv,
'n', MDB_OPT_SETBITS, TRUE, &thw.thw_non_zero_only,
NULL) != argc)
return (DCMD_USAGE);
if (!(flags & DCMD_ADDRSPEC)) {
/*
* No address specified. Walk all of the th_hash_t in the
* system, and summarize the th_trace_t entries in each.
*/
mdb_printf("%?s %?s %?s %8s %?s\n",
"IPSTACK", "OBJECT", "TRACE", "REFCNT", "THREAD");
thw.thw_match = B_FALSE;
} else {
thw.thw_match = B_TRUE;
thw.thw_matchkey = addr;
if ((thw.thw_lbolt = (clock_t)mdb_get_lbolt()) == -1) {
mdb_warn("failed to read lbolt");
return (DCMD_ERR);
}
}
if (mdb_pwalk("th_hash", th_hash_summary, &thw, NULL) == -1) {
mdb_warn("can't walk th_hash entries");
return (DCMD_ERR);
}
return (DCMD_OK);
}
static void
th_trace_help(void)
{
mdb_printf("If given an address of an ill_t, ipif_t, ire_t, or ncec_t, "
"print the\n"
"corresponding th_trace_t structure in detail. Otherwise, if no "
"address is\n"
"given, then summarize all th_trace_t structures.\n\n");
mdb_printf("Options:\n"
"\t-n\tdisplay only entries with non-zero th_refcnt\n");
}
static const mdb_dcmd_t dcmds[] = {
{ "conn_status", ":",
"display connection structures from ipcl hash tables",
conn_status, conn_status_help },
{ "srcid_status", ":",
"display connection structures from ipcl hash tables",
srcid_status },
{ "ill", "?[-v] [-P v4 | v6] [-s exclusive-ip-zone-name]",
"display ill_t structures", ill, ill_help },
{ "illif", "?[-P v4 | v6]",
"display or filter IP Lower Level InterFace structures", illif,
illif_help },
{ "iphdr", ":[-vf]", "display an IPv4 header", iphdr },
{ "ip6hdr", ":[-vf]", "display an IPv6 header", ip6hdr },
{ "ipif", "?[-v] [-P v4 | v6]", "display ipif structures",
ipif, ipif_help },
{ "ire", "?[-v] [-P v4|v6] [-s exclusive-ip-zone-name]",
"display Internet Route Entry structures", ire },
{ "nce", "?[-P v4|v6] [-i <interface>]",
"display interface-specific Neighbor Cache structures", nce },
{ "ncec", "?[-P v4 | v6]", "display Neighbor Cache Entry structures",
ncec },
{ "dce", "?[-P v4|v6] [-s exclusive-ip-zone-name]",
"display Destination Cache Entry structures", dce },
{ "squeue", ":[-v]", "print core squeue_t info", squeue,
ip_squeue_help },
{ "tcphdr", ":", "display a TCP header", tcphdr },
{ "udphdr", ":", "display an UDP header", udphdr },
{ "sctphdr", ":", "display an SCTP header", sctphdr },
{ "th_trace", "?[-n]", "display th_trace_t structures", th_trace,
th_trace_help },
{ NULL }
};
static const mdb_walker_t walkers[] = {
{ "conn_status", "walk list of conn_t structures",
ip_stacks_common_walk_init, conn_status_walk_step, NULL },
{ "illif", "walk list of ill interface types for all stacks",
ip_stacks_common_walk_init, illif_walk_step, NULL },
{ "illif_stack", "walk list of ill interface types",
illif_stack_walk_init, illif_stack_walk_step,
illif_stack_walk_fini },
{ "ill", "walk active ill_t structures for all stacks",
ill_walk_init, ill_walk_step, NULL },
{ "ipif", "walk list of ipif structures for all stacks",
ipif_walk_init, ipif_walk_step, NULL },
{ "ipif_list", "walk the linked list of ipif structures "
"for a given ill",
ip_list_walk_init, ip_list_walk_step,
ip_list_walk_fini, &ipif_walk_arg },
{ "srcid", "walk list of srcid_map structures for all stacks",
ip_stacks_common_walk_init, srcid_walk_step, NULL },
{ "srcid_list", "walk list of srcid_map structures for a stack",
ip_list_walk_init, ip_list_walk_step, ip_list_walk_fini,
&srcid_walk_arg },
{ "ire", "walk active ire_t structures",
ire_walk_init, ire_walk_step, NULL },
{ "ire_next", "walk ire_t structures in the ctable",
ire_next_walk_init, ire_next_walk_step, NULL },
{ "nce", "walk active nce_t structures",
nce_walk_init, nce_walk_step, NULL },
{ "dce", "walk active dce_t structures",
dce_walk_init, dce_walk_step, NULL },
{ "ip_stacks", "walk all the ip_stack_t",
ns_walk_init, ip_stacks_walk_step, NULL },
{ "tcp_stacks", "walk all the tcp_stack_t",
ns_walk_init, tcp_stacks_walk_step, NULL },
{ "sctp_stacks", "walk all the sctp_stack_t",
ns_walk_init, sctp_stacks_walk_step, NULL },
{ "udp_stacks", "walk all the udp_stack_t",
ns_walk_init, udp_stacks_walk_step, NULL },
{ "th_hash", "walk all the th_hash_t entries",
th_hash_walk_init, th_hash_walk_step, NULL },
{ "ncec", "walk list of ncec structures for all stacks",
ip_stacks_common_walk_init, ncec_walk_step, NULL },
{ "ncec_stack", "walk list of ncec structures",
ncec_stack_walk_init, ncec_stack_walk_step,
ncec_stack_walk_fini},
{ "udp_hash", "walk list of conn_t structures in ips_ipcl_udp_fanout",
ipcl_hash_walk_init, ipcl_hash_walk_step,
ipcl_hash_walk_fini, &udp_hash_arg},
{ "conn_hash", "walk list of conn_t structures in ips_ipcl_conn_fanout",
ipcl_hash_walk_init, ipcl_hash_walk_step,
ipcl_hash_walk_fini, &conn_hash_arg},
{ "bind_hash", "walk list of conn_t structures in ips_ipcl_bind_fanout",
ipcl_hash_walk_init, ipcl_hash_walk_step,
ipcl_hash_walk_fini, &bind_hash_arg},
{ "proto_hash", "walk list of conn_t structures in "
"ips_ipcl_proto_fanout",
ipcl_hash_walk_init, ipcl_hash_walk_step,
ipcl_hash_walk_fini, &proto_hash_arg},
{ "proto_v6_hash", "walk list of conn_t structures in "
"ips_ipcl_proto_fanout_v6",
ipcl_hash_walk_init, ipcl_hash_walk_step,
ipcl_hash_walk_fini, &proto_v6_hash_arg},
{ "ilb_stacks", "walk all ilb_stack_t",
ns_walk_init, ilb_stacks_walk_step, NULL },
{ "ilb_rules", "walk ilb rules in a given ilb_stack_t",
ilb_rules_walk_init, ilb_rules_walk_step, NULL },
{ "ilb_servers", "walk server in a given ilb_rule_t",
ilb_servers_walk_init, ilb_servers_walk_step, NULL },
{ "ilb_nat_src", "walk NAT source table of a given ilb_stack_t",
ilb_nat_src_walk_init, ilb_nat_src_walk_step,
ilb_common_walk_fini },
{ "ilb_conns", "walk NAT table of a given ilb_stack_t",
ilb_conn_walk_init, ilb_conn_walk_step, ilb_common_walk_fini },
{ "ilb_stickys", "walk sticky table of a given ilb_stack_t",
ilb_sticky_walk_init, ilb_sticky_walk_step,
ilb_common_walk_fini },
{ "tcps_sc", "walk all the per CPU stats counters of a tcp_stack_t",
tcps_sc_walk_init, tcps_sc_walk_step, NULL },
{ NULL }
};
static const mdb_qops_t ip_qops = { ip_qinfo, ip_rnext, ip_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("ip", "ipwinit", &sym) == 0)
mdb_qops_install(&ip_qops, (uintptr_t)sym.st_value);
return (&modinfo);
}
void
_mdb_fini(void)
{
GElf_Sym sym;
if (mdb_lookup_by_obj("ip", "ipwinit", &sym) == 0)
mdb_qops_remove(&ip_qops, (uintptr_t)sym.st_value);
}
static char *
ncec_state(int ncec_state)
{
switch (ncec_state) {
case ND_UNCHANGED:
return ("unchanged");
case ND_INCOMPLETE:
return ("incomplete");
case ND_REACHABLE:
return ("reachable");
case ND_STALE:
return ("stale");
case ND_DELAY:
return ("delay");
case ND_PROBE:
return ("probe");
case ND_UNREACHABLE:
return ("unreach");
case ND_INITIAL:
return ("initial");
default:
return ("??");
}
}
static char *
ncec_l2_addr(const ncec_t *ncec, const ill_t *ill)
{
uchar_t *h;
static char addr_buf[L2MAXADDRSTRLEN];
if (ncec->ncec_lladdr == NULL) {
return ("None");
}
if (ill->ill_net_type == IRE_IF_RESOLVER) {
if (ill->ill_phys_addr_length == 0)
return ("None");
h = mdb_zalloc(ill->ill_phys_addr_length, UM_SLEEP);
if (mdb_vread(h, ill->ill_phys_addr_length,
(uintptr_t)ncec->ncec_lladdr) == -1) {
mdb_warn("failed to read hwaddr at %p",
ncec->ncec_lladdr);
return ("Unknown");
}
mdb_mac_addr(h, ill->ill_phys_addr_length,
addr_buf, sizeof (addr_buf));
} else {
return ("None");
}
mdb_free(h, ill->ill_phys_addr_length);
return (addr_buf);
}
static char *
nce_l2_addr(const nce_t *nce, const ill_t *ill)
{
uchar_t *h;
static char addr_buf[L2MAXADDRSTRLEN];
mblk_t mp;
size_t mblen;
if (nce->nce_dlur_mp == NULL)
return ("None");
if (ill->ill_net_type == IRE_IF_RESOLVER) {
if (mdb_vread(&mp, sizeof (mblk_t),
(uintptr_t)nce->nce_dlur_mp) == -1) {
mdb_warn("failed to read nce_dlur_mp at %p",
nce->nce_dlur_mp);
return ("None");
}
if (ill->ill_phys_addr_length == 0)
return ("None");
mblen = mp.b_wptr - mp.b_rptr;
if (mblen > (sizeof (dl_unitdata_req_t) + MAX_SAP_LEN) ||
ill->ill_phys_addr_length > MAX_SAP_LEN ||
(NCE_LL_ADDR_OFFSET(ill) +
ill->ill_phys_addr_length) > mblen) {
return ("Unknown");
}
h = mdb_zalloc(mblen, UM_SLEEP);
if (mdb_vread(h, mblen, (uintptr_t)(mp.b_rptr)) == -1) {
mdb_warn("failed to read hwaddr at %p",
mp.b_rptr + NCE_LL_ADDR_OFFSET(ill));
return ("Unknown");
}
mdb_mac_addr(h + NCE_LL_ADDR_OFFSET(ill),
ill->ill_phys_addr_length, addr_buf, sizeof (addr_buf));
} else {
return ("None");
}
mdb_free(h, mblen);
return (addr_buf);
}
static void
ncec_header(uint_t flags)
{
if ((flags & DCMD_LOOPFIRST) || !(flags & DCMD_LOOP)) {
mdb_printf("%<u>%?s %-20s %-10s %-8s %-5s %s%</u>\n",
"ADDR", "HW_ADDR", "STATE", "FLAGS", "ILL", "IP ADDR");
}
}
int
ncec(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
ncec_t ncec;
ncec_cbdata_t id;
int ipversion = 0;
const char *opt_P = NULL;
if (mdb_getopts(argc, argv,
'P', MDB_OPT_STR, &opt_P, NULL) != argc)
return (DCMD_USAGE);
if (opt_P != NULL) {
if (strcmp("v4", opt_P) == 0) {
ipversion = IPV4_VERSION;
} else if (strcmp("v6", opt_P) == 0) {
ipversion = IPV6_VERSION;
} else {
mdb_warn("invalid protocol '%s'\n", opt_P);
return (DCMD_USAGE);
}
}
if (flags & DCMD_ADDRSPEC) {
if (mdb_vread(&ncec, sizeof (ncec_t), addr) == -1) {
mdb_warn("failed to read ncec at %p\n", addr);
return (DCMD_ERR);
}
if (ipversion != 0 && ncec.ncec_ipversion != ipversion) {
mdb_printf("IP Version mismatch\n");
return (DCMD_ERR);
}
ncec_header(flags);
return (ncec_format(addr, &ncec, ipversion));
} else {
id.ncec_addr = addr;
id.ncec_ipversion = ipversion;
ncec_header(flags);
if (mdb_walk("ncec", (mdb_walk_cb_t)ncec_cb, &id) == -1) {
mdb_warn("failed to walk ncec table\n");
return (DCMD_ERR);
}
}
return (DCMD_OK);
}
static int
ncec_format(uintptr_t addr, const ncec_t *ncec, int ipversion)
{
static const mdb_bitmask_t ncec_flags[] = {
{ "P", NCE_F_NONUD, NCE_F_NONUD },
{ "R", NCE_F_ISROUTER, NCE_F_ISROUTER },
{ "N", NCE_F_NONUD, NCE_F_NONUD },
{ "A", NCE_F_ANYCAST, NCE_F_ANYCAST },
{ "C", NCE_F_CONDEMNED, NCE_F_CONDEMNED },
{ "U", NCE_F_UNSOL_ADV, NCE_F_UNSOL_ADV },
{ "B", NCE_F_BCAST, NCE_F_BCAST },
{ NULL, 0, 0 }
};
#define NCE_MAX_FLAGS (sizeof (ncec_flags) / sizeof (mdb_bitmask_t))
struct in_addr nceaddr;
ill_t ill;
char ill_name[LIFNAMSIZ];
char flagsbuf[NCE_MAX_FLAGS];
if (mdb_vread(&ill, sizeof (ill), (uintptr_t)ncec->ncec_ill) == -1) {
mdb_warn("failed to read ncec_ill at %p",
ncec->ncec_ill);
return (DCMD_ERR);
}
(void) mdb_readstr(ill_name, MIN(LIFNAMSIZ, ill.ill_name_length),
(uintptr_t)ill.ill_name);
mdb_snprintf(flagsbuf, sizeof (flagsbuf), "%hb",
ncec->ncec_flags, ncec_flags);
if (ipversion != 0 && ncec->ncec_ipversion != ipversion)
return (DCMD_OK);
if (ncec->ncec_ipversion == IPV4_VERSION) {
IN6_V4MAPPED_TO_INADDR(&ncec->ncec_addr, &nceaddr);
mdb_printf("%?p %-20s %-10s "
"%-8s "
"%-5s %I\n",
addr, ncec_l2_addr(ncec, &ill),
ncec_state(ncec->ncec_state),
flagsbuf,
ill_name, nceaddr.s_addr);
} else {
mdb_printf("%?p %-20s %-10s %-8s %-5s %N\n",
addr, ncec_l2_addr(ncec, &ill),
ncec_state(ncec->ncec_state),
flagsbuf,
ill_name, &ncec->ncec_addr);
}
return (DCMD_OK);
}
static uintptr_t
ncec_get_next_hash_tbl(uintptr_t start, int *index, struct ndp_g_s ndp)
{
uintptr_t addr = start;
int i = *index;
while (addr == NULL) {
if (++i >= NCE_TABLE_SIZE)
break;
addr = (uintptr_t)ndp.nce_hash_tbl[i];
}
*index = i;
return (addr);
}
static int
ncec_walk_step(mdb_walk_state_t *wsp)
{
uintptr_t kaddr4, kaddr6;
kaddr4 = wsp->walk_addr + OFFSETOF(ip_stack_t, ips_ndp4);
kaddr6 = wsp->walk_addr + OFFSETOF(ip_stack_t, ips_ndp6);
if (mdb_vread(&kaddr4, sizeof (kaddr4), kaddr4) == -1) {
mdb_warn("can't read ips_ip_cache_table at %p", kaddr4);
return (WALK_ERR);
}
if (mdb_vread(&kaddr6, sizeof (kaddr6), kaddr6) == -1) {
mdb_warn("can't read ips_ip_cache_table at %p", kaddr6);
return (WALK_ERR);
}
if (mdb_pwalk("ncec_stack", wsp->walk_callback, wsp->walk_cbdata,
kaddr4) == -1) {
mdb_warn("couldn't walk 'ncec_stack' for ips_ndp4 %p",
kaddr4);
return (WALK_ERR);
}
if (mdb_pwalk("ncec_stack", wsp->walk_callback,
wsp->walk_cbdata, kaddr6) == -1) {
mdb_warn("couldn't walk 'ncec_stack' for ips_ndp6 %p",
kaddr6);
return (WALK_ERR);
}
return (WALK_NEXT);
}
static uintptr_t
ipcl_hash_get_next_connf_tbl(ipcl_hash_walk_data_t *iw)
{
struct connf_s connf;
uintptr_t addr = NULL, next;
int index = iw->connf_tbl_index;
do {
next = iw->hash_tbl + index * sizeof (struct connf_s);
if (++index >= iw->hash_tbl_size) {
addr = NULL;
break;
}
if (mdb_vread(&connf, sizeof (struct connf_s), next) == -1) {
mdb_warn("failed to read conn_t at %p", next);
return (NULL);
}
addr = (uintptr_t)connf.connf_head;
} while (addr == NULL);
iw->connf_tbl_index = index;
return (addr);
}
static int
ipcl_hash_walk_init(mdb_walk_state_t *wsp)
{
const hash_walk_arg_t *arg = wsp->walk_arg;
ipcl_hash_walk_data_t *iw;
uintptr_t tbladdr;
uintptr_t sizeaddr;
iw = mdb_alloc(sizeof (ipcl_hash_walk_data_t), UM_SLEEP);
iw->conn = mdb_alloc(sizeof (conn_t), UM_SLEEP);
tbladdr = wsp->walk_addr + arg->tbl_off;
sizeaddr = wsp->walk_addr + arg->size_off;
if (mdb_vread(&iw->hash_tbl, sizeof (uintptr_t), tbladdr) == -1) {
mdb_warn("can't read fanout table addr at %p", tbladdr);
mdb_free(iw->conn, sizeof (conn_t));
mdb_free(iw, sizeof (ipcl_hash_walk_data_t));
return (WALK_ERR);
}
if (arg->tbl_off == OFFSETOF(ip_stack_t, ips_ipcl_proto_fanout_v4) ||
arg->tbl_off == OFFSETOF(ip_stack_t, ips_ipcl_proto_fanout_v6)) {
iw->hash_tbl_size = IPPROTO_MAX;
} else {
if (mdb_vread(&iw->hash_tbl_size, sizeof (int),
sizeaddr) == -1) {
mdb_warn("can't read fanout table size addr at %p",
sizeaddr);
mdb_free(iw->conn, sizeof (conn_t));
mdb_free(iw, sizeof (ipcl_hash_walk_data_t));
return (WALK_ERR);
}
}
iw->connf_tbl_index = 0;
wsp->walk_addr = ipcl_hash_get_next_connf_tbl(iw);
wsp->walk_data = iw;
if (wsp->walk_addr != NULL)
return (WALK_NEXT);
else
return (WALK_DONE);
}
static int
ipcl_hash_walk_step(mdb_walk_state_t *wsp)
{
uintptr_t addr = wsp->walk_addr;
ipcl_hash_walk_data_t *iw = wsp->walk_data;
conn_t *conn = iw->conn;
int ret = WALK_DONE;
while (addr != NULL) {
if (mdb_vread(conn, sizeof (conn_t), addr) == -1) {
mdb_warn("failed to read conn_t at %p", addr);
return (WALK_ERR);
}
ret = wsp->walk_callback(addr, iw, wsp->walk_cbdata);
if (ret != WALK_NEXT)
break;
addr = (uintptr_t)conn->conn_next;
}
if (ret == WALK_NEXT) {
wsp->walk_addr = ipcl_hash_get_next_connf_tbl(iw);
if (wsp->walk_addr != NULL)
return (WALK_NEXT);
else
return (WALK_DONE);
}
return (ret);
}
static void
ipcl_hash_walk_fini(mdb_walk_state_t *wsp)
{
ipcl_hash_walk_data_t *iw = wsp->walk_data;
mdb_free(iw->conn, sizeof (conn_t));
mdb_free(iw, sizeof (ipcl_hash_walk_data_t));
}
/*
* Called with walk_addr being the address of ips_ndp{4,6}
*/
static int
ncec_stack_walk_init(mdb_walk_state_t *wsp)
{
ncec_walk_data_t *nw;
if (wsp->walk_addr == NULL) {
mdb_warn("ncec_stack requires ndp_g_s address\n");
return (WALK_ERR);
}
nw = mdb_alloc(sizeof (ncec_walk_data_t), UM_SLEEP);
if (mdb_vread(&nw->ncec_ip_ndp, sizeof (struct ndp_g_s),
wsp->walk_addr) == -1) {
mdb_warn("failed to read 'ip_ndp' at %p",
wsp->walk_addr);
mdb_free(nw, sizeof (ncec_walk_data_t));
return (WALK_ERR);
}
/*
* ncec_get_next_hash_tbl() starts at ++i , so initialize index to -1
*/
nw->ncec_hash_tbl_index = -1;
wsp->walk_addr = ncec_get_next_hash_tbl(NULL,
&nw->ncec_hash_tbl_index, nw->ncec_ip_ndp);
wsp->walk_data = nw;
return (WALK_NEXT);
}
static int
ncec_stack_walk_step(mdb_walk_state_t *wsp)
{
uintptr_t addr = wsp->walk_addr;
ncec_walk_data_t *nw = wsp->walk_data;
if (addr == NULL)
return (WALK_DONE);
if (mdb_vread(&nw->ncec, sizeof (ncec_t), addr) == -1) {
mdb_warn("failed to read ncec_t at %p", addr);
return (WALK_ERR);
}
wsp->walk_addr = (uintptr_t)nw->ncec.ncec_next;
wsp->walk_addr = ncec_get_next_hash_tbl(wsp->walk_addr,
&nw->ncec_hash_tbl_index, nw->ncec_ip_ndp);
return (wsp->walk_callback(addr, nw, wsp->walk_cbdata));
}
static void
ncec_stack_walk_fini(mdb_walk_state_t *wsp)
{
mdb_free(wsp->walk_data, sizeof (ncec_walk_data_t));
}
/* ARGSUSED */
static int
ncec_cb(uintptr_t addr, const ncec_walk_data_t *iw, ncec_cbdata_t *id)
{
ncec_t ncec;
if (mdb_vread(&ncec, sizeof (ncec_t), addr) == -1) {
mdb_warn("failed to read ncec at %p", addr);
return (WALK_NEXT);
}
(void) ncec_format(addr, &ncec, id->ncec_ipversion);
return (WALK_NEXT);
}
static int
ill_walk_init(mdb_walk_state_t *wsp)
{
if (mdb_layered_walk("illif", wsp) == -1) {
mdb_warn("can't walk 'illif'");
return (WALK_ERR);
}
return (WALK_NEXT);
}
static int
ill_walk_step(mdb_walk_state_t *wsp)
{
ill_if_t ill_if;
if (mdb_vread(&ill_if, sizeof (ill_if_t), wsp->walk_addr) == -1) {
mdb_warn("can't read ill_if_t at %p", wsp->walk_addr);
return (WALK_ERR);
}
wsp->walk_addr = (uintptr_t)(wsp->walk_addr +
offsetof(ill_if_t, illif_avl_by_ppa));
if (mdb_pwalk("avl", wsp->walk_callback, wsp->walk_cbdata,
wsp->walk_addr) == -1) {
mdb_warn("can't walk 'avl'");
return (WALK_ERR);
}
return (WALK_NEXT);
}
/* ARGSUSED */
static int
ill_cb(uintptr_t addr, const ill_walk_data_t *iw, ill_cbdata_t *id)
{
ill_t ill;
if (mdb_vread(&ill, sizeof (ill_t), (uintptr_t)addr) == -1) {
mdb_warn("failed to read ill at %p", addr);
return (WALK_NEXT);
}
/* If ip_stack_t is specified, skip ILLs that don't belong to it. */
if (id->ill_ipst != NULL && ill.ill_ipst != id->ill_ipst)
return (WALK_NEXT);
return (ill_format((uintptr_t)addr, &ill, id));
}
static void
ill_header(boolean_t verbose)
{
if (verbose) {
mdb_printf("%-?s %-8s %3s %-10s %-?s %-?s %-10s%</u>\n",
"ADDR", "NAME", "VER", "TYPE", "WQ", "IPST", "FLAGS");
mdb_printf("%-?s %4s%4s %-?s\n",
"PHYINT", "CNT", "", "GROUP");
mdb_printf("%<u>%80s%</u>\n", "");
} else {
mdb_printf("%<u>%-?s %-8s %-3s %-10s %4s %-?s %-10s%</u>\n",
"ADDR", "NAME", "VER", "TYPE", "CNT", "WQ", "FLAGS");
}
}
static int
ill_format(uintptr_t addr, const void *illptr, void *ill_cb_arg)
{
ill_t *ill = (ill_t *)illptr;
ill_cbdata_t *illcb = ill_cb_arg;
boolean_t verbose = illcb->verbose;
phyint_t phyi;
static const mdb_bitmask_t fmasks[] = {
{ "R", PHYI_RUNNING, PHYI_RUNNING },
{ "P", PHYI_PROMISC, PHYI_PROMISC },
{ "V", PHYI_VIRTUAL, PHYI_VIRTUAL },
{ "I", PHYI_IPMP, PHYI_IPMP },
{ "f", PHYI_FAILED, PHYI_FAILED },
{ "S", PHYI_STANDBY, PHYI_STANDBY },
{ "i", PHYI_INACTIVE, PHYI_INACTIVE },
{ "O", PHYI_OFFLINE, PHYI_OFFLINE },
{ "T", ILLF_NOTRAILERS, ILLF_NOTRAILERS },
{ "A", ILLF_NOARP, ILLF_NOARP },
{ "M", ILLF_MULTICAST, ILLF_MULTICAST },
{ "F", ILLF_ROUTER, ILLF_ROUTER },
{ "D", ILLF_NONUD, ILLF_NONUD },
{ "X", ILLF_NORTEXCH, ILLF_NORTEXCH },
{ NULL, 0, 0 }
};
static const mdb_bitmask_t v_fmasks[] = {
{ "RUNNING", PHYI_RUNNING, PHYI_RUNNING },
{ "PROMISC", PHYI_PROMISC, PHYI_PROMISC },
{ "VIRTUAL", PHYI_VIRTUAL, PHYI_VIRTUAL },
{ "IPMP", PHYI_IPMP, PHYI_IPMP },
{ "FAILED", PHYI_FAILED, PHYI_FAILED },
{ "STANDBY", PHYI_STANDBY, PHYI_STANDBY },
{ "INACTIVE", PHYI_INACTIVE, PHYI_INACTIVE },
{ "OFFLINE", PHYI_OFFLINE, PHYI_OFFLINE },
{ "NOTRAILER", ILLF_NOTRAILERS, ILLF_NOTRAILERS },
{ "NOARP", ILLF_NOARP, ILLF_NOARP },
{ "MULTICAST", ILLF_MULTICAST, ILLF_MULTICAST },
{ "ROUTER", ILLF_ROUTER, ILLF_ROUTER },
{ "NONUD", ILLF_NONUD, ILLF_NONUD },
{ "NORTEXCH", ILLF_NORTEXCH, ILLF_NORTEXCH },
{ NULL, 0, 0 }
};
char ill_name[LIFNAMSIZ];
int cnt;
char *typebuf;
char sbuf[DEFCOLS];
int ipver = illcb->ill_ipversion;
if (ipver != 0) {
if ((ipver == IPV4_VERSION && ill->ill_isv6) ||
(ipver == IPV6_VERSION && !ill->ill_isv6)) {
return (WALK_NEXT);
}
}
if (mdb_vread(&phyi, sizeof (phyint_t),
(uintptr_t)ill->ill_phyint) == -1) {
mdb_warn("failed to read ill_phyint at %p",
(uintptr_t)ill->ill_phyint);
return (WALK_NEXT);
}
(void) mdb_readstr(ill_name, MIN(LIFNAMSIZ, ill->ill_name_length),
(uintptr_t)ill->ill_name);
switch (ill->ill_type) {
case 0:
typebuf = "LOOPBACK";
break;
case IFT_ETHER:
typebuf = "ETHER";
break;
case IFT_OTHER:
typebuf = "OTHER";
break;
default:
typebuf = NULL;
break;
}
cnt = ill->ill_refcnt + ill->ill_ire_cnt + ill->ill_nce_cnt +
ill->ill_ilm_cnt + ill->ill_ncec_cnt;
mdb_printf("%-?p %-8s %-3s ",
addr, ill_name, ill->ill_isv6 ? "v6" : "v4");
if (typebuf != NULL)
mdb_printf("%-10s ", typebuf);
else
mdb_printf("%-10x ", ill->ill_type);
if (verbose) {
mdb_printf("%-?p %-?p %-llb\n",
ill->ill_wq, ill->ill_ipst,
ill->ill_flags | phyi.phyint_flags, v_fmasks);
mdb_printf("%-?p %4d%4s %-?p\n",
ill->ill_phyint, cnt, "", ill->ill_grp);
mdb_snprintf(sbuf, sizeof (sbuf), "%*s %3s",
sizeof (uintptr_t) * 2, "", "");
mdb_printf("%s|\n%s+--> %3d %-18s "
"references from active threads\n",
sbuf, sbuf, ill->ill_refcnt, "ill_refcnt");
mdb_printf("%*s %7d %-18s ires referencing this ill\n",
strlen(sbuf), "", ill->ill_ire_cnt, "ill_ire_cnt");
mdb_printf("%*s %7d %-18s nces referencing this ill\n",
strlen(sbuf), "", ill->ill_nce_cnt, "ill_nce_cnt");
mdb_printf("%*s %7d %-18s ncecs referencing this ill\n",
strlen(sbuf), "", ill->ill_ncec_cnt, "ill_ncec_cnt");
mdb_printf("%*s %7d %-18s ilms referencing this ill\n",
strlen(sbuf), "", ill->ill_ilm_cnt, "ill_ilm_cnt");
} else {
mdb_printf("%4d %-?p %-llb\n",
cnt, ill->ill_wq,
ill->ill_flags | phyi.phyint_flags, fmasks);
}
return (WALK_NEXT);
}
static int
ill(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
ill_t ill_data;
ill_cbdata_t id;
int ipversion = 0;
const char *zone_name = NULL;
const char *opt_P = NULL;
uint_t verbose = FALSE;
ip_stack_t *ipst = NULL;
if (mdb_getopts(argc, argv,
'v', MDB_OPT_SETBITS, TRUE, &verbose,
's', MDB_OPT_STR, &zone_name,
'P', MDB_OPT_STR, &opt_P, NULL) != argc)
return (DCMD_USAGE);
/* Follow the specified zone name to find a ip_stack_t*. */
if (zone_name != NULL) {
ipst = zone_to_ips(zone_name);
if (ipst == NULL)
return (DCMD_USAGE);
}
if (opt_P != NULL) {
if (strcmp("v4", opt_P) == 0) {
ipversion = IPV4_VERSION;
} else if (strcmp("v6", opt_P) == 0) {
ipversion = IPV6_VERSION;
} else {
mdb_warn("invalid protocol '%s'\n", opt_P);
return (DCMD_USAGE);
}
}
id.verbose = verbose;
id.ill_addr = addr;
id.ill_ipversion = ipversion;
id.ill_ipst = ipst;
ill_header(verbose);
if (flags & DCMD_ADDRSPEC) {
if (mdb_vread(&ill_data, sizeof (ill_t), addr) == -1) {
mdb_warn("failed to read ill at %p\n", addr);
return (DCMD_ERR);
}
(void) ill_format(addr, &ill_data, &id);
} else {
if (mdb_walk("ill", (mdb_walk_cb_t)ill_cb, &id) == -1) {
mdb_warn("failed to walk ills\n");
return (DCMD_ERR);
}
}
return (DCMD_OK);
}
static void
ill_help(void)
{
mdb_printf("Prints the following fields: ill ptr, name, "
"IP version, count, ill type and ill flags.\n"
"The count field is a sum of individual refcnts and is expanded "
"with the -v option.\n\n");
mdb_printf("Options:\n");
mdb_printf("\t-P v4 | v6"
"\tfilter ill structures for the specified protocol\n");
}
static int
ip_list_walk_init(mdb_walk_state_t *wsp)
{
const ip_list_walk_arg_t *arg = wsp->walk_arg;
ip_list_walk_data_t *iw;
uintptr_t addr = (uintptr_t)(wsp->walk_addr + arg->off);
if (wsp->walk_addr == NULL) {
mdb_warn("only local walks supported\n");
return (WALK_ERR);
}
if (mdb_vread(&wsp->walk_addr, sizeof (uintptr_t),
addr) == -1) {
mdb_warn("failed to read list head at %p", addr);
return (WALK_ERR);
}
iw = mdb_alloc(sizeof (ip_list_walk_data_t), UM_SLEEP);
iw->nextoff = arg->nextp_off;
wsp->walk_data = iw;
return (WALK_NEXT);
}
static int
ip_list_walk_step(mdb_walk_state_t *wsp)
{
ip_list_walk_data_t *iw = wsp->walk_data;
uintptr_t addr = wsp->walk_addr;
if (addr == NULL)
return (WALK_DONE);
wsp->walk_addr = addr + iw->nextoff;
if (mdb_vread(&wsp->walk_addr, sizeof (uintptr_t),
wsp->walk_addr) == -1) {
mdb_warn("failed to read list node at %p", addr);
return (WALK_ERR);
}
return (wsp->walk_callback(addr, iw, wsp->walk_cbdata));
}
static void
ip_list_walk_fini(mdb_walk_state_t *wsp)
{
mdb_free(wsp->walk_data, sizeof (ip_list_walk_data_t));
}
static int
ipif_walk_init(mdb_walk_state_t *wsp)
{
if (mdb_layered_walk("ill", wsp) == -1) {
mdb_warn("can't walk 'ills'");
return (WALK_ERR);
}
return (WALK_NEXT);
}
static int
ipif_walk_step(mdb_walk_state_t *wsp)
{
if (mdb_pwalk("ipif_list", wsp->walk_callback, wsp->walk_cbdata,
wsp->walk_addr) == -1) {
mdb_warn("can't walk 'ipif_list'");
return (WALK_ERR);
}
return (WALK_NEXT);
}
/* ARGSUSED */
static int
ipif_cb(uintptr_t addr, const ipif_walk_data_t *iw, ipif_cbdata_t *id)
{
ipif_t ipif;
if (mdb_vread(&ipif, sizeof (ipif_t), (uintptr_t)addr) == -1) {
mdb_warn("failed to read ipif at %p", addr);
return (WALK_NEXT);
}
if (mdb_vread(&id->ill, sizeof (ill_t),
(uintptr_t)ipif.ipif_ill) == -1) {
mdb_warn("failed to read ill at %p", ipif.ipif_ill);
return (WALK_NEXT);
}
(void) ipif_format((uintptr_t)addr, &ipif, id);
return (WALK_NEXT);
}
static void
ipif_header(boolean_t verbose)
{
if (verbose) {
mdb_printf("%-?s %-10s %-3s %-?s %-8s %-30s\n",
"ADDR", "NAME", "CNT", "ILL", "STFLAGS", "FLAGS");
mdb_printf("%s\n%s\n",
"LCLADDR", "BROADCAST");
mdb_printf("%<u>%80s%</u>\n", "");
} else {
mdb_printf("%-?s %-10s %6s %-?s %-8s %-30s\n",
"ADDR", "NAME", "CNT", "ILL", "STFLAGS", "FLAGS");
mdb_printf("%s\n%<u>%80s%</u>\n", "LCLADDR", "");
}
}
#ifdef _BIG_ENDIAN
#define ip_ntohl_32(x) ((x) & 0xffffffff)
#else
#define ip_ntohl_32(x) (((uint32_t)(x) << 24) | \
(((uint32_t)(x) << 8) & 0xff0000) | \
(((uint32_t)(x) >> 8) & 0xff00) | \
((uint32_t)(x) >> 24))
#endif
int
mask_to_prefixlen(int af, const in6_addr_t *addr)
{
int len = 0;
int i;
uint_t mask = 0;
if (af == AF_INET6) {
for (i = 0; i < 4; i++) {
if (addr->s6_addr32[i] == 0xffffffff) {
len += 32;
} else {
mask = addr->s6_addr32[i];
break;
}
}
} else {
mask = V4_PART_OF_V6((*addr));
}
if (mask > 0)
len += (33 - mdb_ffs(ip_ntohl_32(mask)));
return (len);
}
static int
ipif_format(uintptr_t addr, const void *ipifptr, void *ipif_cb_arg)
{
const ipif_t *ipif = ipifptr;
ipif_cbdata_t *ipifcb = ipif_cb_arg;
boolean_t verbose = ipifcb->verbose;
char ill_name[LIFNAMSIZ];
char buf[LIFNAMSIZ];
int cnt;
static const mdb_bitmask_t sfmasks[] = {
{ "CO", IPIF_CONDEMNED, IPIF_CONDEMNED},
{ "CH", IPIF_CHANGING, IPIF_CHANGING},
{ "SL", IPIF_SET_LINKLOCAL, IPIF_SET_LINKLOCAL},
{ NULL, 0, 0 }
};
static const mdb_bitmask_t fmasks[] = {
{ "UP", IPIF_UP, IPIF_UP },
{ "UNN", IPIF_UNNUMBERED, IPIF_UNNUMBERED},
{ "DHCP", IPIF_DHCPRUNNING, IPIF_DHCPRUNNING},
{ "PRIV", IPIF_PRIVATE, IPIF_PRIVATE},
{ "NOXMT", IPIF_NOXMIT, IPIF_NOXMIT},
{ "NOLCL", IPIF_NOLOCAL, IPIF_NOLOCAL},
{ "DEPR", IPIF_DEPRECATED, IPIF_DEPRECATED},
{ "PREF", IPIF_PREFERRED, IPIF_PREFERRED},
{ "TEMP", IPIF_TEMPORARY, IPIF_TEMPORARY},
{ "ACONF", IPIF_ADDRCONF, IPIF_ADDRCONF},
{ "ANY", IPIF_ANYCAST, IPIF_ANYCAST},
{ "NFAIL", IPIF_NOFAILOVER, IPIF_NOFAILOVER},
{ NULL, 0, 0 }
};
char flagsbuf[2 * A_CNT(fmasks)];
char bitfields[A_CNT(fmasks)];
char sflagsbuf[A_CNT(sfmasks)];
char sbuf[DEFCOLS], addrstr[INET6_ADDRSTRLEN];
int ipver = ipifcb->ipif_ipversion;
int af;
if (ipver != 0) {
if ((ipver == IPV4_VERSION && ipifcb->ill.ill_isv6) ||
(ipver == IPV6_VERSION && !ipifcb->ill.ill_isv6)) {
return (WALK_NEXT);
}
}
if ((mdb_readstr(ill_name, MIN(LIFNAMSIZ,
ipifcb->ill.ill_name_length),
(uintptr_t)ipifcb->ill.ill_name)) == -1) {
mdb_warn("failed to read ill_name of ill %p\n", ipifcb->ill);
return (WALK_NEXT);
}
if (ipif->ipif_id != 0) {
mdb_snprintf(buf, LIFNAMSIZ, "%s:%d",
ill_name, ipif->ipif_id);
} else {
mdb_snprintf(buf, LIFNAMSIZ, "%s", ill_name);
}
mdb_snprintf(bitfields, sizeof (bitfields), "%s",
ipif->ipif_addr_ready ? ",ADR" : "",
ipif->ipif_was_up ? ",WU" : "",
ipif->ipif_was_dup ? ",WD" : "");
mdb_snprintf(flagsbuf, sizeof (flagsbuf), "%llb%s",
ipif->ipif_flags, fmasks, bitfields);
mdb_snprintf(sflagsbuf, sizeof (sflagsbuf), "%b",
ipif->ipif_state_flags, sfmasks);
cnt = ipif->ipif_refcnt;
if (ipifcb->ill.ill_isv6) {
mdb_snprintf(addrstr, sizeof (addrstr), "%N",
&ipif->ipif_v6lcl_addr);
af = AF_INET6;
} else {
mdb_snprintf(addrstr, sizeof (addrstr), "%I",
V4_PART_OF_V6((ipif->ipif_v6lcl_addr)));
af = AF_INET;
}
if (verbose) {
mdb_printf("%-?p %-10s %3d %-?p %-8s %-30s\n",
addr, buf, cnt, ipif->ipif_ill,
sflagsbuf, flagsbuf);
mdb_snprintf(sbuf, sizeof (sbuf), "%*s %12s",
sizeof (uintptr_t) * 2, "", "");
mdb_printf("%s |\n%s +---> %4d %-15s "
"Active consistent reader cnt\n",
sbuf, sbuf, ipif->ipif_refcnt, "ipif_refcnt");
mdb_printf("%-s/%d\n",
addrstr, mask_to_prefixlen(af, &ipif->ipif_v6net_mask));
if (ipifcb->ill.ill_isv6) {
mdb_printf("%-N\n", &ipif->ipif_v6brd_addr);
} else {
mdb_printf("%-I\n",
V4_PART_OF_V6((ipif->ipif_v6brd_addr)));
}
} else {
mdb_printf("%-?p %-10s %6d %-?p %-8s %-30s\n",
addr, buf, cnt, ipif->ipif_ill,
sflagsbuf, flagsbuf);
mdb_printf("%-s/%d\n",
addrstr, mask_to_prefixlen(af, &ipif->ipif_v6net_mask));
}
return (WALK_NEXT);
}
static int
ipif(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
ipif_t ipif;
ipif_cbdata_t id;
int ipversion = 0;
const char *opt_P = NULL;
uint_t verbose = FALSE;
if (mdb_getopts(argc, argv,
'v', MDB_OPT_SETBITS, TRUE, &verbose,
'P', MDB_OPT_STR, &opt_P, NULL) != argc)
return (DCMD_USAGE);
if (opt_P != NULL) {
if (strcmp("v4", opt_P) == 0) {
ipversion = IPV4_VERSION;
} else if (strcmp("v6", opt_P) == 0) {
ipversion = IPV6_VERSION;
} else {
mdb_warn("invalid protocol '%s'\n", opt_P);
return (DCMD_USAGE);
}
}
id.verbose = verbose;
id.ipif_ipversion = ipversion;
if (flags & DCMD_ADDRSPEC) {
if (mdb_vread(&ipif, sizeof (ipif_t), addr) == -1) {
mdb_warn("failed to read ipif at %p\n", addr);
return (DCMD_ERR);
}
ipif_header(verbose);
if (mdb_vread(&id.ill, sizeof (ill_t),
(uintptr_t)ipif.ipif_ill) == -1) {
mdb_warn("failed to read ill at %p", ipif.ipif_ill);
return (WALK_NEXT);
}
return (ipif_format(addr, &ipif, &id));
} else {
ipif_header(verbose);
if (mdb_walk("ipif", (mdb_walk_cb_t)ipif_cb, &id) == -1) {
mdb_warn("failed to walk ipifs\n");
return (DCMD_ERR);
}
}
return (DCMD_OK);
}
static void
ipif_help(void)
{
mdb_printf("Prints the following fields: ipif ptr, name, "
"count, ill ptr, state flags and ipif flags.\n"
"The count field is a sum of individual refcnts and is expanded "
"with the -v option.\n"
"The flags field shows the following:"
"\n\tUNN -> UNNUMBERED, DHCP -> DHCPRUNNING, PRIV -> PRIVATE, "
"\n\tNOXMT -> NOXMIT, NOLCL -> NOLOCAL, DEPR -> DEPRECATED, "
"\n\tPREF -> PREFERRED, TEMP -> TEMPORARY, ACONF -> ADDRCONF, "
"\n\tANY -> ANYCAST, NFAIL -> NOFAILOVER, "
"\n\tADR -> ipif_addr_ready, MU -> ipif_multicast_up, "
"\n\tWU -> ipif_was_up, WD -> ipif_was_dup, "
"JA -> ipif_joined_allhosts.\n\n");
mdb_printf("Options:\n");
mdb_printf("\t-P v4 | v6"
"\tfilter ipif structures on ills for the specified protocol\n");
}
static int
conn_status_walk_fanout(uintptr_t addr, mdb_walk_state_t *wsp,
const char *walkname)
{
if (mdb_pwalk(walkname, wsp->walk_callback, wsp->walk_cbdata,
addr) == -1) {
mdb_warn("couldn't walk '%s' at %p", walkname, addr);
return (WALK_ERR);
}
return (WALK_NEXT);
}
static int
conn_status_walk_step(mdb_walk_state_t *wsp)
{
uintptr_t addr = wsp->walk_addr;
(void) conn_status_walk_fanout(addr, wsp, "udp_hash");
(void) conn_status_walk_fanout(addr, wsp, "conn_hash");
(void) conn_status_walk_fanout(addr, wsp, "bind_hash");
(void) conn_status_walk_fanout(addr, wsp, "proto_hash");
(void) conn_status_walk_fanout(addr, wsp, "proto_v6_hash");
return (WALK_NEXT);
}
/* ARGSUSED */
static int
conn_status_cb(uintptr_t addr, const void *walk_data,
void *private)
{
netstack_t nss;
char src_addrstr[INET6_ADDRSTRLEN];
char rem_addrstr[INET6_ADDRSTRLEN];
const ipcl_hash_walk_data_t *iw = walk_data;
conn_t *conn = iw->conn;
if (mdb_vread(conn, sizeof (conn_t), addr) == -1) {
mdb_warn("failed to read conn_t at %p", addr);
return (WALK_ERR);
}
if (mdb_vread(&nss, sizeof (nss),
(uintptr_t)conn->conn_netstack) == -1) {
mdb_warn("failed to read netstack_t %p",
conn->conn_netstack);
return (WALK_ERR);
}
mdb_printf("%-?p %-?p %?d %?d\n", addr, conn->conn_wq,
nss.netstack_stackid, conn->conn_zoneid);
if (conn->conn_family == AF_INET6) {
mdb_snprintf(src_addrstr, sizeof (rem_addrstr), "%N",
&conn->conn_laddr_v6);
mdb_snprintf(rem_addrstr, sizeof (rem_addrstr), "%N",
&conn->conn_faddr_v6);
} else {
mdb_snprintf(src_addrstr, sizeof (src_addrstr), "%I",
V4_PART_OF_V6((conn->conn_laddr_v6)));
mdb_snprintf(rem_addrstr, sizeof (rem_addrstr), "%I",
V4_PART_OF_V6((conn->conn_faddr_v6)));
}
mdb_printf("%s:%-5d\n%s:%-5d\n",
src_addrstr, conn->conn_lport, rem_addrstr, conn->conn_fport);
return (WALK_NEXT);
}
static void
conn_header(void)
{
mdb_printf("%-?s %-?s %?s %?s\n%s\n%s\n",
"ADDR", "WQ", "STACK", "ZONE", "SRC:PORT", "DEST:PORT");
mdb_printf("%<u>%80s%</u>\n", "");
}
/*ARGSUSED*/
static int
conn_status(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
conn_header();
if (flags & DCMD_ADDRSPEC) {
(void) conn_status_cb(addr, NULL, NULL);
} else {
if (mdb_walk("conn_status", (mdb_walk_cb_t)conn_status_cb,
NULL) == -1) {
mdb_warn("failed to walk conn_fanout");
return (DCMD_ERR);
}
}
return (DCMD_OK);
}
static void
conn_status_help(void)
{
mdb_printf("Prints conn_t structures from the following hash tables: "
"\n\tips_ipcl_udp_fanout\n\tips_ipcl_bind_fanout"
"\n\tips_ipcl_conn_fanout\n\tips_ipcl_proto_fanout_v4"
"\n\tips_ipcl_proto_fanout_v6\n");
}
static int
srcid_walk_step(mdb_walk_state_t *wsp)
{
if (mdb_pwalk("srcid_list", wsp->walk_callback, wsp->walk_cbdata,
wsp->walk_addr) == -1) {
mdb_warn("can't walk 'srcid_list'");
return (WALK_ERR);
}
return (WALK_NEXT);
}
/* ARGSUSED */
static int
srcid_status_cb(uintptr_t addr, const void *walk_data,
void *private)
{
srcid_map_t smp;
if (mdb_vread(&smp, sizeof (srcid_map_t), addr) == -1) {
mdb_warn("failed to read srcid_map at %p", addr);
return (WALK_ERR);
}
mdb_printf("%-?p %3d %4d %6d %N\n",
addr, smp.sm_srcid, smp.sm_zoneid, smp.sm_refcnt,
&smp.sm_addr);
return (WALK_NEXT);
}
static void
srcid_header(void)
{
mdb_printf("%-?s %3s %4s %6s %s\n",
"ADDR", "ID", "ZONE", "REFCNT", "IPADDR");
mdb_printf("%<u>%80s%</u>\n", "");
}
/*ARGSUSED*/
static int
srcid_status(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
srcid_header();
if (flags & DCMD_ADDRSPEC) {
(void) srcid_status_cb(addr, NULL, NULL);
} else {
if (mdb_walk("srcid", (mdb_walk_cb_t)srcid_status_cb,
NULL) == -1) {
mdb_warn("failed to walk srcid_map");
return (DCMD_ERR);
}
}
return (DCMD_OK);
}
static int
ilb_stacks_walk_step(mdb_walk_state_t *wsp)
{
return (ns_walk_step(wsp, NS_ILB));
}
static int
ilb_rules_walk_init(mdb_walk_state_t *wsp)
{
ilb_stack_t ilbs;
if (wsp->walk_addr == NULL)
return (WALK_ERR);
if (mdb_vread(&ilbs, sizeof (ilbs), wsp->walk_addr) == -1) {
mdb_warn("failed to read ilb_stack_t at %p", wsp->walk_addr);
return (WALK_ERR);
}
if ((wsp->walk_addr = (uintptr_t)ilbs.ilbs_rule_head) != NULL)
return (WALK_NEXT);
else
return (WALK_DONE);
}
static int
ilb_rules_walk_step(mdb_walk_state_t *wsp)
{
ilb_rule_t rule;
int status;
if (mdb_vread(&rule, sizeof (rule), wsp->walk_addr) == -1) {
mdb_warn("failed to read ilb_rule_t at %p", wsp->walk_addr);
return (WALK_ERR);
}
status = wsp->walk_callback(wsp->walk_addr, &rule, wsp->walk_cbdata);
if (status != WALK_NEXT)
return (status);
if ((wsp->walk_addr = (uintptr_t)rule.ir_next) == NULL)
return (WALK_DONE);
else
return (WALK_NEXT);
}
static int
ilb_servers_walk_init(mdb_walk_state_t *wsp)
{
ilb_rule_t rule;
if (wsp->walk_addr == NULL)
return (WALK_ERR);
if (mdb_vread(&rule, sizeof (rule), wsp->walk_addr) == -1) {
mdb_warn("failed to read ilb_rule_t at %p", wsp->walk_addr);
return (WALK_ERR);
}
if ((wsp->walk_addr = (uintptr_t)rule.ir_servers) != NULL)
return (WALK_NEXT);
else
return (WALK_DONE);
}
static int
ilb_servers_walk_step(mdb_walk_state_t *wsp)
{
ilb_server_t server;
int status;
if (mdb_vread(&server, sizeof (server), wsp->walk_addr) == -1) {
mdb_warn("failed to read ilb_server_t at %p", wsp->walk_addr);
return (WALK_ERR);
}
status = wsp->walk_callback(wsp->walk_addr, &server, wsp->walk_cbdata);
if (status != WALK_NEXT)
return (status);
if ((wsp->walk_addr = (uintptr_t)server.iser_next) == NULL)
return (WALK_DONE);
else
return (WALK_NEXT);
}
/*
* Helper structure for ilb_nat_src walker. It stores the current index of the
* nat src table.
*/
typedef struct {
ilb_stack_t ilbs;
int idx;
} ilb_walk_t;
/* Copy from list.c */
#define list_object(a, node) ((void *)(((char *)node) - (a)->list_offset))
static int
ilb_nat_src_walk_init(mdb_walk_state_t *wsp)
{
int i;
ilb_walk_t *ns_walk;
ilb_nat_src_entry_t *entry = NULL;
if (wsp->walk_addr == NULL)
return (WALK_ERR);
ns_walk = mdb_alloc(sizeof (ilb_walk_t), UM_SLEEP);
if (mdb_vread(&ns_walk->ilbs, sizeof (ns_walk->ilbs),
wsp->walk_addr) == -1) {
mdb_warn("failed to read ilb_stack_t at %p", wsp->walk_addr);
mdb_free(ns_walk, sizeof (ilb_walk_t));
return (WALK_ERR);
}
if (ns_walk->ilbs.ilbs_nat_src == NULL) {
mdb_free(ns_walk, sizeof (ilb_walk_t));
return (WALK_DONE);
}
wsp->walk_data = ns_walk;
for (i = 0; i < ns_walk->ilbs.ilbs_nat_src_hash_size; i++) {
list_t head;
char *khead;
/* Read in the nsh_head in the i-th element of the array. */
khead = (char *)ns_walk->ilbs.ilbs_nat_src + i *
sizeof (ilb_nat_src_hash_t);
if (mdb_vread(&head, sizeof (list_t), (uintptr_t)khead) == -1) {
mdb_warn("failed to read ilbs_nat_src at %p\n", khead);
return (WALK_ERR);
}
/*
* Note that list_next points to a kernel address and we need
* to compare list_next with the kernel address of the list
* head. So we need to calculate the address manually.
*/
if ((char *)head.list_head.list_next != khead +
offsetof(list_t, list_head)) {
entry = list_object(&head, head.list_head.list_next);
break;
}
}
if (entry == NULL)
return (WALK_DONE);
wsp->walk_addr = (uintptr_t)entry;
ns_walk->idx = i;
return (WALK_NEXT);
}
static int
ilb_nat_src_walk_step(mdb_walk_state_t *wsp)
{
int status;
ilb_nat_src_entry_t entry, *next_entry;
ilb_walk_t *ns_walk;
ilb_stack_t *ilbs;
list_t head;
char *khead;
int i;
if (mdb_vread(&entry, sizeof (ilb_nat_src_entry_t),
wsp->walk_addr) == -1) {
mdb_warn("failed to read ilb_nat_src_entry_t at %p",
wsp->walk_addr);
return (WALK_ERR);
}
status = wsp->walk_callback(wsp->walk_addr, &entry, wsp->walk_cbdata);
if (status != WALK_NEXT)
return (status);
ns_walk = (ilb_walk_t *)wsp->walk_data;
ilbs = &ns_walk->ilbs;
i = ns_walk->idx;
/* Read in the nsh_head in the i-th element of the array. */
khead = (char *)ilbs->ilbs_nat_src + i * sizeof (ilb_nat_src_hash_t);
if (mdb_vread(&head, sizeof (list_t), (uintptr_t)khead) == -1) {
mdb_warn("failed to read ilbs_nat_src at %p\n", khead);
return (WALK_ERR);
}
/*
* Check if there is still entry in the current list.
*
* Note that list_next points to a kernel address and we need to
* compare list_next with the kernel address of the list head.
* So we need to calculate the address manually.
*/
if ((char *)entry.nse_link.list_next != khead + offsetof(list_t,
list_head)) {
wsp->walk_addr = (uintptr_t)list_object(&head,
entry.nse_link.list_next);
return (WALK_NEXT);
}
/* Start with the next bucket in the array. */
next_entry = NULL;
for (i++; i < ilbs->ilbs_nat_src_hash_size; i++) {
khead = (char *)ilbs->ilbs_nat_src + i *
sizeof (ilb_nat_src_hash_t);
if (mdb_vread(&head, sizeof (list_t), (uintptr_t)khead) == -1) {
mdb_warn("failed to read ilbs_nat_src at %p\n", khead);
return (WALK_ERR);
}
if ((char *)head.list_head.list_next != khead +
offsetof(list_t, list_head)) {
next_entry = list_object(&head,
head.list_head.list_next);
break;
}
}
if (next_entry == NULL)
return (WALK_DONE);
wsp->walk_addr = (uintptr_t)next_entry;
ns_walk->idx = i;
return (WALK_NEXT);
}
static void
ilb_common_walk_fini(mdb_walk_state_t *wsp)
{
ilb_walk_t *walk;
walk = (ilb_walk_t *)wsp->walk_data;
if (walk == NULL)
return;
mdb_free(walk, sizeof (ilb_walk_t *));
}
static int
ilb_conn_walk_init(mdb_walk_state_t *wsp)
{
int i;
ilb_walk_t *conn_walk;
ilb_conn_hash_t head;
if (wsp->walk_addr == NULL)
return (WALK_ERR);
conn_walk = mdb_alloc(sizeof (ilb_walk_t), UM_SLEEP);
if (mdb_vread(&conn_walk->ilbs, sizeof (conn_walk->ilbs),
wsp->walk_addr) == -1) {
mdb_warn("failed to read ilb_stack_t at %p", wsp->walk_addr);
mdb_free(conn_walk, sizeof (ilb_walk_t));
return (WALK_ERR);
}
if (conn_walk->ilbs.ilbs_c2s_conn_hash == NULL) {
mdb_free(conn_walk, sizeof (ilb_walk_t));
return (WALK_DONE);
}
wsp->walk_data = conn_walk;
for (i = 0; i < conn_walk->ilbs.ilbs_conn_hash_size; i++) {
char *khead;
/* Read in the nsh_head in the i-th element of the array. */
khead = (char *)conn_walk->ilbs.ilbs_c2s_conn_hash + i *
sizeof (ilb_conn_hash_t);
if (mdb_vread(&head, sizeof (ilb_conn_hash_t),
(uintptr_t)khead) == -1) {
mdb_warn("failed to read ilbs_c2s_conn_hash at %p\n",
khead);
return (WALK_ERR);
}
if (head.ilb_connp != NULL)
break;
}
if (head.ilb_connp == NULL)
return (WALK_DONE);
wsp->walk_addr = (uintptr_t)head.ilb_connp;
conn_walk->idx = i;
return (WALK_NEXT);
}
static int
ilb_conn_walk_step(mdb_walk_state_t *wsp)
{
int status;
ilb_conn_t conn;
ilb_walk_t *conn_walk;
ilb_stack_t *ilbs;
ilb_conn_hash_t head;
char *khead;
int i;
if (mdb_vread(&conn, sizeof (ilb_conn_t), wsp->walk_addr) == -1) {
mdb_warn("failed to read ilb_conn_t at %p", wsp->walk_addr);
return (WALK_ERR);
}
status = wsp->walk_callback(wsp->walk_addr, &conn, wsp->walk_cbdata);
if (status != WALK_NEXT)
return (status);
conn_walk = (ilb_walk_t *)wsp->walk_data;
ilbs = &conn_walk->ilbs;
i = conn_walk->idx;
/* Check if there is still entry in the current list. */
if (conn.conn_c2s_next != NULL) {
wsp->walk_addr = (uintptr_t)conn.conn_c2s_next;
return (WALK_NEXT);
}
/* Start with the next bucket in the array. */
for (i++; i < ilbs->ilbs_conn_hash_size; i++) {
khead = (char *)ilbs->ilbs_c2s_conn_hash + i *
sizeof (ilb_conn_hash_t);
if (mdb_vread(&head, sizeof (ilb_conn_hash_t),
(uintptr_t)khead) == -1) {
mdb_warn("failed to read ilbs_c2s_conn_hash at %p\n",
khead);
return (WALK_ERR);
}
if (head.ilb_connp != NULL)
break;
}
if (head.ilb_connp == NULL)
return (WALK_DONE);
wsp->walk_addr = (uintptr_t)head.ilb_connp;
conn_walk->idx = i;
return (WALK_NEXT);
}
static int
ilb_sticky_walk_init(mdb_walk_state_t *wsp)
{
int i;
ilb_walk_t *sticky_walk;
ilb_sticky_t *st = NULL;
if (wsp->walk_addr == NULL)
return (WALK_ERR);
sticky_walk = mdb_alloc(sizeof (ilb_walk_t), UM_SLEEP);
if (mdb_vread(&sticky_walk->ilbs, sizeof (sticky_walk->ilbs),
wsp->walk_addr) == -1) {
mdb_warn("failed to read ilb_stack_t at %p", wsp->walk_addr);
mdb_free(sticky_walk, sizeof (ilb_walk_t));
return (WALK_ERR);
}
if (sticky_walk->ilbs.ilbs_sticky_hash == NULL) {
mdb_free(sticky_walk, sizeof (ilb_walk_t));
return (WALK_DONE);
}
wsp->walk_data = sticky_walk;
for (i = 0; i < sticky_walk->ilbs.ilbs_sticky_hash_size; i++) {
list_t head;
char *khead;
/* Read in the nsh_head in the i-th element of the array. */
khead = (char *)sticky_walk->ilbs.ilbs_sticky_hash + i *
sizeof (ilb_sticky_hash_t);
if (mdb_vread(&head, sizeof (list_t), (uintptr_t)khead) == -1) {
mdb_warn("failed to read ilbs_sticky_hash at %p\n",
khead);
return (WALK_ERR);
}
/*
* Note that list_next points to a kernel address and we need
* to compare list_next with the kernel address of the list
* head. So we need to calculate the address manually.
*/
if ((char *)head.list_head.list_next != khead +
offsetof(list_t, list_head)) {
st = list_object(&head, head.list_head.list_next);
break;
}
}
if (st == NULL)
return (WALK_DONE);
wsp->walk_addr = (uintptr_t)st;
sticky_walk->idx = i;
return (WALK_NEXT);
}
static int
ilb_sticky_walk_step(mdb_walk_state_t *wsp)
{
int status;
ilb_sticky_t st, *st_next;
ilb_walk_t *sticky_walk;
ilb_stack_t *ilbs;
list_t head;
char *khead;
int i;
if (mdb_vread(&st, sizeof (ilb_sticky_t), wsp->walk_addr) == -1) {
mdb_warn("failed to read ilb_sticky_t at %p", wsp->walk_addr);
return (WALK_ERR);
}
status = wsp->walk_callback(wsp->walk_addr, &st, wsp->walk_cbdata);
if (status != WALK_NEXT)
return (status);
sticky_walk = (ilb_walk_t *)wsp->walk_data;
ilbs = &sticky_walk->ilbs;
i = sticky_walk->idx;
/* Read in the nsh_head in the i-th element of the array. */
khead = (char *)ilbs->ilbs_sticky_hash + i * sizeof (ilb_sticky_hash_t);
if (mdb_vread(&head, sizeof (list_t), (uintptr_t)khead) == -1) {
mdb_warn("failed to read ilbs_sticky_hash at %p\n", khead);
return (WALK_ERR);
}
/*
* Check if there is still entry in the current list.
*
* Note that list_next points to a kernel address and we need to
* compare list_next with the kernel address of the list head.
* So we need to calculate the address manually.
*/
if ((char *)st.list.list_next != khead + offsetof(list_t,
list_head)) {
wsp->walk_addr = (uintptr_t)list_object(&head,
st.list.list_next);
return (WALK_NEXT);
}
/* Start with the next bucket in the array. */
st_next = NULL;
for (i++; i < ilbs->ilbs_nat_src_hash_size; i++) {
khead = (char *)ilbs->ilbs_sticky_hash + i *
sizeof (ilb_sticky_hash_t);
if (mdb_vread(&head, sizeof (list_t), (uintptr_t)khead) == -1) {
mdb_warn("failed to read ilbs_sticky_hash at %p\n",
khead);
return (WALK_ERR);
}
if ((char *)head.list_head.list_next != khead +
offsetof(list_t, list_head)) {
st_next = list_object(&head,
head.list_head.list_next);
break;
}
}
if (st_next == NULL)
return (WALK_DONE);
wsp->walk_addr = (uintptr_t)st_next;
sticky_walk->idx = i;
return (WALK_NEXT);
}