net.c revision bd670b35a010421b6e1a5536c34453a827007c81
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <mdb/mdb_modapi.h>
#include <mdb/mdb_ks.h>
#include <mdb/mdb_ctf.h>
#include <sys/types.h>
#include <sys/tihdr.h>
#include <inet/led.h>
#include <inet/common.h>
#include <netinet/in.h>
#include <netinet/ip6.h>
#include <netinet/icmp6.h>
#include <inet/ip.h>
#include <inet/ip6.h>
#include <inet/ipclassifier.h>
#include <inet/tcp.h>
#include <sys/stream.h>
#include <sys/vfs.h>
#include <sys/stropts.h>
#include <sys/tpicommon.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <sys/cred_impl.h>
#include <inet/udp_impl.h>
#include <inet/rawip_impl.h>
#include <inet/mi.h>
#include <fs/sockfs/socktpi_impl.h>
#include <net/bridge_impl.h>
#include <io/trill_impl.h>
#include <sys/mac_impl.h>
#define ADDR_V6_WIDTH 23
#define ADDR_V4_WIDTH 15
#define NETSTAT_ALL 0x01
#define NETSTAT_VERBOSE 0x02
#define NETSTAT_ROUTE 0x04
#define NETSTAT_V4 0x08
#define NETSTAT_V6 0x10
#define NETSTAT_UNIX 0x20
#define NETSTAT_FIRST 0x80000000u
typedef struct netstat_cb_data_s {
uint_t opts;
conn_t conn;
int af;
} netstat_cb_data_t;
int
icmp_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
icmp_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_ICMP];
return (wsp->walk_callback(kaddr, wsp->walk_layer, wsp->walk_cbdata));
}
int
tcp_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
tcp_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_TCP];
return (wsp->walk_callback(kaddr, wsp->walk_layer, wsp->walk_cbdata));
}
int
udp_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
udp_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_UDP];
return (wsp->walk_callback(kaddr, wsp->walk_layer, wsp->walk_cbdata));
}
/*
* Print an IPv4 address and port number in a compact and easy to read format
* The arguments are in network byte order
*/
static void
net_ipv4addrport_pr(const in6_addr_t *nipv6addr, in_port_t nport)
{
uint32_t naddr = V4_PART_OF_V6((*nipv6addr));
mdb_nhconvert(&nport, &nport, sizeof (nport));
mdb_printf("%*I.%-5hu", ADDR_V4_WIDTH, naddr, nport);
}
/*
* Print an IPv6 address and port number in a compact and easy to read format
* The arguments are in network byte order
*/
static void
net_ipv6addrport_pr(const in6_addr_t *naddr, in_port_t nport)
{
mdb_nhconvert(&nport, &nport, sizeof (nport));
mdb_printf("%*N.%-5hu", ADDR_V6_WIDTH, naddr, nport);
}
static int
net_tcp_active(const tcp_t *tcp)
{
return (tcp->tcp_state >= TCPS_ESTABLISHED);
}
static int
net_tcp_ipv4(const tcp_t *tcp)
{
return ((tcp->tcp_connp->conn_ipversion == IPV4_VERSION) ||
(IN6_IS_ADDR_UNSPECIFIED(&tcp->tcp_connp->conn_laddr_v6) &&
(tcp->tcp_state <= TCPS_LISTEN)));
}
static int
net_tcp_ipv6(const tcp_t *tcp)
{
return (tcp->tcp_connp->conn_ipversion == IPV6_VERSION);
}
static int
net_udp_active(const udp_t *udp)
{
return ((udp->udp_state == TS_IDLE) ||
(udp->udp_state == TS_DATA_XFER));
}
static int
net_udp_ipv4(const udp_t *udp)
{
return ((udp->udp_connp->conn_ipversion == IPV4_VERSION) ||
(IN6_IS_ADDR_UNSPECIFIED(&udp->udp_connp->conn_laddr_v6) &&
(udp->udp_state <= TS_IDLE)));
}
static int
net_udp_ipv6(const udp_t *udp)
{
return (udp->udp_connp->conn_ipversion == IPV6_VERSION);
}
int
sonode_walk_init(mdb_walk_state_t *wsp)
{
if (wsp->walk_addr == NULL) {
GElf_Sym sym;
struct socklist *slp;
if (mdb_lookup_by_obj("sockfs", "socklist", &sym) == -1) {
mdb_warn("failed to lookup sockfs`socklist");
return (WALK_ERR);
}
slp = (struct socklist *)(uintptr_t)sym.st_value;
if (mdb_vread(&wsp->walk_addr, sizeof (wsp->walk_addr),
(uintptr_t)&slp->sl_list) == -1) {
mdb_warn("failed to read address of initial sonode "
"at %p", &slp->sl_list);
return (WALK_ERR);
}
}
wsp->walk_data = mdb_alloc(sizeof (struct sotpi_sonode), UM_SLEEP);
return (WALK_NEXT);
}
int
sonode_walk_step(mdb_walk_state_t *wsp)
{
int status;
struct sotpi_sonode *stp;
if (wsp->walk_addr == NULL)
return (WALK_DONE);
if (mdb_vread(wsp->walk_data, sizeof (struct sotpi_sonode),
wsp->walk_addr) == -1) {
mdb_warn("failed to read sonode at %p", wsp->walk_addr);
return (WALK_ERR);
}
status = wsp->walk_callback(wsp->walk_addr, wsp->walk_data,
wsp->walk_cbdata);
stp = wsp->walk_data;
wsp->walk_addr = (uintptr_t)stp->st_info.sti_next_so;
return (status);
}
void
sonode_walk_fini(mdb_walk_state_t *wsp)
{
mdb_free(wsp->walk_data, sizeof (struct sotpi_sonode));
}
struct mi_walk_data {
uintptr_t mi_wd_miofirst;
MI_O mi_wd_miodata;
};
int
mi_walk_init(mdb_walk_state_t *wsp)
{
struct mi_walk_data *wdp;
if (wsp->walk_addr == NULL) {
mdb_warn("mi doesn't support global walks\n");
return (WALK_ERR);
}
wdp = mdb_alloc(sizeof (struct mi_walk_data), UM_SLEEP);
/* So that we do not immediately return WALK_DONE below */
wdp->mi_wd_miofirst = NULL;
wsp->walk_data = wdp;
return (WALK_NEXT);
}
int
mi_walk_step(mdb_walk_state_t *wsp)
{
struct mi_walk_data *wdp = wsp->walk_data;
MI_OP miop = &wdp->mi_wd_miodata;
int status;
/* Always false in the first iteration */
if ((wsp->walk_addr == (uintptr_t)NULL) ||
(wsp->walk_addr == wdp->mi_wd_miofirst)) {
return (WALK_DONE);
}
if (mdb_vread(miop, sizeof (MI_O), wsp->walk_addr) == -1) {
mdb_warn("failed to read MI object at %p", wsp->walk_addr);
return (WALK_ERR);
}
/* Only true in the first iteration */
if (wdp->mi_wd_miofirst == NULL) {
wdp->mi_wd_miofirst = wsp->walk_addr;
status = WALK_NEXT;
} else {
status = wsp->walk_callback(wsp->walk_addr + sizeof (MI_O),
&miop[1], wsp->walk_cbdata);
}
wsp->walk_addr = (uintptr_t)miop->mi_o_next;
return (status);
}
void
mi_walk_fini(mdb_walk_state_t *wsp)
{
mdb_free(wsp->walk_data, sizeof (struct mi_walk_data));
}
typedef struct mi_payload_walk_arg_s {
const char *mi_pwa_walker; /* Underlying walker */
const off_t mi_pwa_head_off; /* Offset for mi_o_head_t * in stack */
const size_t mi_pwa_size; /* size of mi payload */
const uint_t mi_pwa_flags; /* device and/or module */
} mi_payload_walk_arg_t;
#define MI_PAYLOAD_DEVICE 0x1
#define MI_PAYLOAD_MODULE 0x2
int
mi_payload_walk_init(mdb_walk_state_t *wsp)
{
const mi_payload_walk_arg_t *arg = wsp->walk_arg;
if (mdb_layered_walk(arg->mi_pwa_walker, wsp) == -1) {
mdb_warn("can't walk '%s'", arg->mi_pwa_walker);
return (WALK_ERR);
}
return (WALK_NEXT);
}
int
mi_payload_walk_step(mdb_walk_state_t *wsp)
{
const mi_payload_walk_arg_t *arg = wsp->walk_arg;
uintptr_t kaddr;
kaddr = wsp->walk_addr + arg->mi_pwa_head_off;
if (mdb_vread(&kaddr, sizeof (kaddr), kaddr) == -1) {
mdb_warn("can't read address of mi head at %p for %s",
kaddr, arg->mi_pwa_walker);
return (WALK_ERR);
}
if (kaddr == 0) {
/* Empty list */
return (WALK_DONE);
}
if (mdb_pwalk("genunix`mi", wsp->walk_callback,
wsp->walk_cbdata, kaddr) == -1) {
mdb_warn("failed to walk genunix`mi");
return (WALK_ERR);
}
return (WALK_NEXT);
}
const mi_payload_walk_arg_t mi_icmp_arg = {
"icmp_stacks", OFFSETOF(icmp_stack_t, is_head), sizeof (icmp_t),
MI_PAYLOAD_DEVICE | MI_PAYLOAD_MODULE
};
int
sonode(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
const char *optf = NULL;
const char *optt = NULL;
const char *optp = NULL;
int family, type, proto;
int filter = 0;
struct sonode so;
if (!(flags & DCMD_ADDRSPEC)) {
if (mdb_walk_dcmd("genunix`sonode", "genunix`sonode", argc,
argv) == -1) {
mdb_warn("failed to walk sonode");
return (DCMD_ERR);
}
return (DCMD_OK);
}
if (mdb_getopts(argc, argv,
'f', MDB_OPT_STR, &optf,
't', MDB_OPT_STR, &optt,
'p', MDB_OPT_STR, &optp,
NULL) != argc)
return (DCMD_USAGE);
if (optf != NULL) {
if (strcmp("inet", optf) == 0)
family = AF_INET;
else if (strcmp("inet6", optf) == 0)
family = AF_INET6;
else if (strcmp("unix", optf) == 0)
family = AF_UNIX;
else
family = mdb_strtoull(optf);
filter = 1;
}
if (optt != NULL) {
if (strcmp("stream", optt) == 0)
type = SOCK_STREAM;
else if (strcmp("dgram", optt) == 0)
type = SOCK_DGRAM;
else if (strcmp("raw", optt) == 0)
type = SOCK_RAW;
else
type = mdb_strtoull(optt);
filter = 1;
}
if (optp != NULL) {
proto = mdb_strtoull(optp);
filter = 1;
}
if (DCMD_HDRSPEC(flags) && !filter) {
mdb_printf("%<u>%-?s Family Type Proto State Mode Flag "
"AccessVP%</u>\n", "Sonode:");
}
if (mdb_vread(&so, sizeof (so), addr) == -1) {
mdb_warn("failed to read sonode at %p", addr);
return (DCMD_ERR);
}
if ((optf != NULL) && (so.so_family != family))
return (DCMD_OK);
if ((optt != NULL) && (so.so_type != type))
return (DCMD_OK);
if ((optp != NULL) && (so.so_protocol != proto))
return (DCMD_OK);
if (filter) {
mdb_printf("%0?p\n", addr);
return (DCMD_OK);
}
mdb_printf("%0?p ", addr);
switch (so.so_family) {
case AF_UNIX:
mdb_printf("unix ");
break;
case AF_INET:
mdb_printf("inet ");
break;
case AF_INET6:
mdb_printf("inet6 ");
break;
default:
mdb_printf("%6hi", so.so_family);
}
switch (so.so_type) {
case SOCK_STREAM:
mdb_printf(" strm");
break;
case SOCK_DGRAM:
mdb_printf(" dgrm");
break;
case SOCK_RAW:
mdb_printf(" raw ");
break;
default:
mdb_printf(" %4hi", so.so_type);
}
mdb_printf(" %5hi %05x %04x %04hx\n",
so.so_protocol, so.so_state, so.so_mode,
so.so_flag);
return (DCMD_OK);
}
#define MI_PAYLOAD 0x1
#define MI_DEVICE 0x2
#define MI_MODULE 0x4
int
mi(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
uint_t opts = 0;
MI_O mio;
if (!(flags & DCMD_ADDRSPEC))
return (DCMD_USAGE);
if (mdb_getopts(argc, argv,
'p', MDB_OPT_SETBITS, MI_PAYLOAD, &opts,
'd', MDB_OPT_SETBITS, MI_DEVICE, &opts,
'm', MDB_OPT_SETBITS, MI_MODULE, &opts,
NULL) != argc)
return (DCMD_USAGE);
if ((opts & (MI_DEVICE | MI_MODULE)) == (MI_DEVICE | MI_MODULE)) {
mdb_warn("at most one filter, d for devices or m "
"for modules, may be specified\n");
return (DCMD_USAGE);
}
if ((opts == 0) && (DCMD_HDRSPEC(flags))) {
mdb_printf("%<u>%-?s %-?s %-?s IsDev Dev%</u>\n",
"MI_O", "Next", "Prev");
}
if (mdb_vread(&mio, sizeof (mio), addr) == -1) {
mdb_warn("failed to read mi object MI_O at %p", addr);
return (DCMD_ERR);
}
if (opts != 0) {
if (mio.mi_o_isdev == B_FALSE) {
/* mio is a module */
if (!(opts & MI_MODULE) && (opts & MI_DEVICE))
return (DCMD_OK);
} else {
/* mio is a device */
if (!(opts & MI_DEVICE) && (opts & MI_MODULE))
return (DCMD_OK);
}
if (opts & MI_PAYLOAD)
mdb_printf("%p\n", addr + sizeof (MI_O));
else
mdb_printf("%p\n", addr);
return (DCMD_OK);
}
mdb_printf("%0?p %0?p %0?p ", addr, mio.mi_o_next, mio.mi_o_prev);
if (mio.mi_o_isdev == B_FALSE)
mdb_printf("FALSE");
else
mdb_printf("TRUE ");
mdb_printf(" %0?p\n", mio.mi_o_dev);
return (DCMD_OK);
}
static int
ns_to_stackid(uintptr_t kaddr)
{
netstack_t nss;
if (mdb_vread(&nss, sizeof (nss), kaddr) == -1) {
mdb_warn("failed to read netstack_t %p", kaddr);
return (0);
}
return (nss.netstack_stackid);
}
static void
netstat_tcp_verbose_pr(const tcp_t *tcp)
{
mdb_printf(" %5i %08x %08x %5i %08x %08x %5li %5i\n",
tcp->tcp_swnd, tcp->tcp_snxt, tcp->tcp_suna, tcp->tcp_rwnd,
tcp->tcp_rack, tcp->tcp_rnxt, tcp->tcp_rto, tcp->tcp_mss);
}
/*ARGSUSED*/
static int
netstat_tcp_cb(uintptr_t kaddr, const void *walk_data, void *cb_data)
{
netstat_cb_data_t *ncb = cb_data;
uint_t opts = ncb->opts;
int af = ncb->af;
uintptr_t tcp_kaddr;
conn_t *connp = &ncb->conn;
tcp_t tcps, *tcp;
if (mdb_vread(connp, sizeof (conn_t), kaddr) == -1) {
mdb_warn("failed to read conn_t at %p", kaddr);
return (WALK_ERR);
}
tcp_kaddr = (uintptr_t)connp->conn_tcp;
if (mdb_vread(&tcps, sizeof (tcp_t), tcp_kaddr) == -1) {
mdb_warn("failed to read tcp_t at %p", tcp_kaddr);
return (WALK_ERR);
}
tcp = &tcps;
connp->conn_tcp = tcp;
tcp->tcp_connp = connp;
if (!((opts & NETSTAT_ALL) || net_tcp_active(tcp)) ||
(af == AF_INET && !net_tcp_ipv4(tcp)) ||
(af == AF_INET6 && !net_tcp_ipv6(tcp))) {
return (WALK_NEXT);
}
mdb_printf("%0?p %2i ", tcp_kaddr, tcp->tcp_state);
if (af == AF_INET) {
net_ipv4addrport_pr(&connp->conn_laddr_v6, connp->conn_lport);
mdb_printf(" ");
net_ipv4addrport_pr(&connp->conn_faddr_v6, connp->conn_fport);
} else if (af == AF_INET6) {
net_ipv6addrport_pr(&connp->conn_laddr_v6, connp->conn_lport);
mdb_printf(" ");
net_ipv6addrport_pr(&connp->conn_faddr_v6, connp->conn_fport);
}
mdb_printf(" %5i", ns_to_stackid((uintptr_t)connp->conn_netstack));
mdb_printf(" %4i\n", connp->conn_zoneid);
if (opts & NETSTAT_VERBOSE)
netstat_tcp_verbose_pr(tcp);
return (WALK_NEXT);
}
/*ARGSUSED*/
static int
netstat_udp_cb(uintptr_t kaddr, const void *walk_data, void *cb_data)
{
netstat_cb_data_t *ncb = cb_data;
uint_t opts = ncb->opts;
int af = ncb->af;
udp_t udp;
conn_t *connp = &ncb->conn;
char *state;
if (mdb_vread(connp, sizeof (conn_t), kaddr) == -1) {
mdb_warn("failed to read conn_t at %p", kaddr);
return (WALK_ERR);
}
if (mdb_vread(&udp, sizeof (udp_t),
(uintptr_t)connp->conn_udp) == -1) {
mdb_warn("failed to read conn_udp at %p",
(uintptr_t)connp->conn_udp);
return (WALK_ERR);
}
connp->conn_udp = &udp;
udp.udp_connp = connp;
if (!((opts & NETSTAT_ALL) || net_udp_active(&udp)) ||
(af == AF_INET && !net_udp_ipv4(&udp)) ||
(af == AF_INET6 && !net_udp_ipv6(&udp))) {
return (WALK_NEXT);
}
if (udp.udp_state == TS_UNBND)
state = "UNBOUND";
else if (udp.udp_state == TS_IDLE)
state = "IDLE";
else if (udp.udp_state == TS_DATA_XFER)
state = "CONNECTED";
else
state = "UNKNOWN";
mdb_printf("%0?p %10s ", (uintptr_t)connp->conn_udp, state);
if (af == AF_INET) {
net_ipv4addrport_pr(&connp->conn_laddr_v6, connp->conn_lport);
mdb_printf(" ");
net_ipv4addrport_pr(&connp->conn_faddr_v6, connp->conn_fport);
} else if (af == AF_INET6) {
net_ipv6addrport_pr(&connp->conn_laddr_v6, connp->conn_lport);
mdb_printf(" ");
net_ipv6addrport_pr(&connp->conn_faddr_v6, connp->conn_fport);
}
mdb_printf(" %5i", ns_to_stackid((uintptr_t)connp->conn_netstack));
mdb_printf(" %4i\n", connp->conn_zoneid);
return (WALK_NEXT);
}
/*ARGSUSED*/
static int
netstat_icmp_cb(uintptr_t kaddr, const void *walk_data, void *cb_data)
{
netstat_cb_data_t *ncb = cb_data;
int af = ncb->af;
icmp_t icmp;
conn_t *connp = &ncb->conn;
char *state;
if (mdb_vread(connp, sizeof (conn_t), kaddr) == -1) {
mdb_warn("failed to read conn_t at %p", kaddr);
return (WALK_ERR);
}
if (mdb_vread(&icmp, sizeof (icmp_t),
(uintptr_t)connp->conn_icmp) == -1) {
mdb_warn("failed to read conn_icmp at %p",
(uintptr_t)connp->conn_icmp);
return (WALK_ERR);
}
connp->conn_icmp = &icmp;
icmp.icmp_connp = connp;
if ((af == AF_INET && connp->conn_ipversion != IPV4_VERSION) ||
(af == AF_INET6 && connp->conn_ipversion != IPV6_VERSION)) {
return (WALK_NEXT);
}
if (icmp.icmp_state == TS_UNBND)
state = "UNBOUND";
else if (icmp.icmp_state == TS_IDLE)
state = "IDLE";
else if (icmp.icmp_state == TS_DATA_XFER)
state = "CONNECTED";
else
state = "UNKNOWN";
mdb_printf("%0?p %10s ", (uintptr_t)connp->conn_icmp, state);
if (af == AF_INET) {
net_ipv4addrport_pr(&connp->conn_laddr_v6, connp->conn_lport);
mdb_printf(" ");
net_ipv4addrport_pr(&connp->conn_faddr_v6, connp->conn_fport);
} else if (af == AF_INET6) {
net_ipv6addrport_pr(&connp->conn_laddr_v6, connp->conn_lport);
mdb_printf(" ");
net_ipv6addrport_pr(&connp->conn_faddr_v6, connp->conn_fport);
}
mdb_printf(" %5i", ns_to_stackid((uintptr_t)connp->conn_netstack));
mdb_printf(" %4i\n", connp->conn_zoneid);
return (WALK_NEXT);
}
/*
* print the address of a unix domain socket
*
* so is the address of a AF_UNIX struct sonode in mdb's address space
* soa is the address of the struct soaddr to print
*
* returns 0 on success, -1 otherwise
*/
static int
netstat_unix_name_pr(const struct sotpi_sonode *st, const struct soaddr *soa)
{
const struct sonode *so = &st->st_sonode;
const char none[] = " (none)";
if ((so->so_state & SS_ISBOUND) && (soa->soa_len != 0)) {
if (st->st_info.sti_faddr_noxlate) {
mdb_printf("%-14s ", " (socketpair)");
} else {
if (soa->soa_len > sizeof (sa_family_t)) {
char addr[MAXPATHLEN + 1];
if (mdb_readstr(addr, sizeof (addr),
(uintptr_t)&soa->soa_sa->sa_data) == -1) {
mdb_warn("failed to read unix address "
"at %p", &soa->soa_sa->sa_data);
return (-1);
}
mdb_printf("%-14s ", addr);
} else {
mdb_printf("%-14s ", none);
}
}
} else {
mdb_printf("%-14s ", none);
}
return (0);
}
/* based on sockfs_snapshot */
/*ARGSUSED*/
static int
netstat_unix_cb(uintptr_t kaddr, const void *walk_data, void *cb_data)
{
const struct sotpi_sonode *st = walk_data;
const struct sonode *so = &st->st_sonode;
const struct sotpi_info *sti = &st->st_info;
if (so->so_count == 0)
return (WALK_NEXT);
if (so->so_family != AF_UNIX) {
mdb_warn("sonode of family %hi at %p\n", so->so_family, kaddr);
return (WALK_ERR);
}
mdb_printf("%-?p ", kaddr);
switch (sti->sti_serv_type) {
case T_CLTS:
mdb_printf("%-10s ", "dgram");
break;
case T_COTS:
mdb_printf("%-10s ", "stream");
break;
case T_COTS_ORD:
mdb_printf("%-10s ", "stream-ord");
break;
default:
mdb_printf("%-10i ", sti->sti_serv_type);
}
if ((so->so_state & SS_ISBOUND) &&
(sti->sti_ux_laddr.soua_magic == SOU_MAGIC_EXPLICIT)) {
mdb_printf("%0?p ", sti->sti_ux_laddr.soua_vp);
} else {
mdb_printf("%0?p ", NULL);
}
if ((so->so_state & SS_ISCONNECTED) &&
(sti->sti_ux_faddr.soua_magic == SOU_MAGIC_EXPLICIT)) {
mdb_printf("%0?p ", sti->sti_ux_faddr.soua_vp);
} else {
mdb_printf("%0?p ", NULL);
}
if (netstat_unix_name_pr(st, &sti->sti_laddr) == -1)
return (WALK_ERR);
if (netstat_unix_name_pr(st, &sti->sti_faddr) == -1)
return (WALK_ERR);
mdb_printf("%4i\n", so->so_zoneid);
return (WALK_NEXT);
}
static void
netstat_tcp_verbose_header_pr(void)
{
mdb_printf(" %<u>%-5s %-8s %-8s %-5s %-8s %-8s %5s %5s%</u>\n",
"Swind", "Snext", "Suna", "Rwind", "Rack", "Rnext", "Rto", "Mss");
}
static void
get_ifname(const ire_t *ire, char *intf)
{
ill_t ill;
*intf = '\0';
if (ire->ire_ill != NULL) {
if (mdb_vread(&ill, sizeof (ill),
(uintptr_t)ire->ire_ill) == -1)
return;
(void) mdb_readstr(intf, MIN(LIFNAMSIZ, ill.ill_name_length),
(uintptr_t)ill.ill_name);
}
}
const in6_addr_t ipv6_all_ones =
{ 0xffffffffU, 0xffffffffU, 0xffffffffU, 0xffffffffU };
static void
get_ireflags(const ire_t *ire, char *flags)
{
(void) strcpy(flags, "U");
/* RTF_INDIRECT wins over RTF_GATEWAY - don't display both */
if (ire->ire_flags & RTF_INDIRECT)
(void) strcat(flags, "I");
else if (ire->ire_type & IRE_OFFLINK)
(void) strcat(flags, "G");
/* IRE_IF_CLONE wins over RTF_HOST - don't display both */
if (ire->ire_type & IRE_IF_CLONE)
(void) strcat(flags, "C");
else if (ire->ire_ipversion == IPV4_VERSION) {
if (ire->ire_mask == IP_HOST_MASK)
(void) strcat(flags, "H");
} else {
if (IN6_ARE_ADDR_EQUAL(&ire->ire_mask_v6, &ipv6_all_ones))
(void) strcat(flags, "H");
}
if (ire->ire_flags & RTF_DYNAMIC)
(void) strcat(flags, "D");
if (ire->ire_type == IRE_BROADCAST)
(void) strcat(flags, "b");
if (ire->ire_type == IRE_MULTICAST)
(void) strcat(flags, "m");
if (ire->ire_type == IRE_LOCAL)
(void) strcat(flags, "L");
if (ire->ire_type == IRE_NOROUTE)
(void) strcat(flags, "N");
if (ire->ire_flags & RTF_MULTIRT)
(void) strcat(flags, "M");
if (ire->ire_flags & RTF_SETSRC)
(void) strcat(flags, "S");
if (ire->ire_flags & RTF_REJECT)
(void) strcat(flags, "R");
if (ire->ire_flags & RTF_BLACKHOLE)
(void) strcat(flags, "B");
}
static int
netstat_irev4_cb(uintptr_t kaddr, const void *walk_data, void *cb_data)
{
const ire_t *ire = walk_data;
uint_t *opts = cb_data;
ipaddr_t gate;
char flags[10], intf[LIFNAMSIZ + 1];
if (ire->ire_ipversion != IPV4_VERSION)
return (WALK_NEXT);
/* Skip certain IREs by default */
if (!(*opts & NETSTAT_ALL) &&
(ire->ire_type &
(IRE_BROADCAST|IRE_LOCAL|IRE_MULTICAST|IRE_NOROUTE|IRE_IF_CLONE)))
return (WALK_NEXT);
if (*opts & NETSTAT_FIRST) {
*opts &= ~NETSTAT_FIRST;
mdb_printf("%<u>%s Table: IPv4%</u>\n",
(*opts & NETSTAT_VERBOSE) ? "IRE" : "Routing");
if (*opts & NETSTAT_VERBOSE) {
mdb_printf("%<u>%-?s %-*s %-*s %-*s Device Mxfrg Rtt "
" Ref Flg Out In/Fwd%</u>\n",
"Address", ADDR_V4_WIDTH, "Destination",
ADDR_V4_WIDTH, "Mask", ADDR_V4_WIDTH, "Gateway");
} else {
mdb_printf("%<u>%-?s %-*s %-*s Flags Ref Use "
"Interface%</u>\n",
"Address", ADDR_V4_WIDTH, "Destination",
ADDR_V4_WIDTH, "Gateway");
}
}
gate = ire->ire_gateway_addr;
get_ireflags(ire, flags);
get_ifname(ire, intf);
if (*opts & NETSTAT_VERBOSE) {
mdb_printf("%?p %-*I %-*I %-*I %-6s %5u%c %4u %3u %-3s %5u "
"%u\n", kaddr, ADDR_V4_WIDTH, ire->ire_addr, ADDR_V4_WIDTH,
ire->ire_mask, ADDR_V4_WIDTH, gate, intf,
0, ' ',
ire->ire_metrics.iulp_rtt, ire->ire_refcnt, flags,
ire->ire_ob_pkt_count, ire->ire_ib_pkt_count);
} else {
mdb_printf("%?p %-*I %-*I %-5s %4u %5u %s\n", kaddr,
ADDR_V4_WIDTH, ire->ire_addr, ADDR_V4_WIDTH, gate, flags,
ire->ire_refcnt,
ire->ire_ob_pkt_count + ire->ire_ib_pkt_count, intf);
}
return (WALK_NEXT);
}
int
ip_mask_to_plen_v6(const in6_addr_t *v6mask)
{
int plen;
int i;
uint32_t val;
for (i = 3; i >= 0; i--)
if (v6mask->s6_addr32[i] != 0)
break;
if (i < 0)
return (0);
plen = 32 + 32 * i;
val = v6mask->s6_addr32[i];
while (!(val & 1)) {
val >>= 1;
plen--;
}
return (plen);
}
static int
netstat_irev6_cb(uintptr_t kaddr, const void *walk_data, void *cb_data)
{
const ire_t *ire = walk_data;
uint_t *opts = cb_data;
const in6_addr_t *gatep;
char deststr[ADDR_V6_WIDTH + 5];
char flags[10], intf[LIFNAMSIZ + 1];
int masklen;
if (ire->ire_ipversion != IPV6_VERSION)
return (WALK_NEXT);
/* Skip certain IREs by default */
if (!(*opts & NETSTAT_ALL) &&
(ire->ire_type &
(IRE_BROADCAST|IRE_LOCAL|IRE_MULTICAST|IRE_NOROUTE|IRE_IF_CLONE)))
return (WALK_NEXT);
if (*opts & NETSTAT_FIRST) {
*opts &= ~NETSTAT_FIRST;
mdb_printf("\n%<u>%s Table: IPv6%</u>\n",
(*opts & NETSTAT_VERBOSE) ? "IRE" : "Routing");
if (*opts & NETSTAT_VERBOSE) {
mdb_printf("%<u>%-?s %-*s %-*s If PMTU Rtt Ref "
"Flags Out In/Fwd%</u>\n",
"Address", ADDR_V6_WIDTH+4, "Destination/Mask",
ADDR_V6_WIDTH, "Gateway");
} else {
mdb_printf("%<u>%-?s %-*s %-*s Flags Ref Use If"
"%</u>\n",
"Address", ADDR_V6_WIDTH+4, "Destination/Mask",
ADDR_V6_WIDTH, "Gateway");
}
}
gatep = &ire->ire_gateway_addr_v6;
masklen = ip_mask_to_plen_v6(&ire->ire_mask_v6);
(void) mdb_snprintf(deststr, sizeof (deststr), "%N/%d",
&ire->ire_addr_v6, masklen);
get_ireflags(ire, flags);
get_ifname(ire, intf);
if (*opts & NETSTAT_VERBOSE) {
mdb_printf("%?p %-*s %-*N %-5s %5u%c %5u %3u %-5s %6u %u\n",
kaddr, ADDR_V6_WIDTH+4, deststr, ADDR_V6_WIDTH, gatep,
intf, 0, ' ',
ire->ire_metrics.iulp_rtt, ire->ire_refcnt,
flags, ire->ire_ob_pkt_count, ire->ire_ib_pkt_count);
} else {
mdb_printf("%?p %-*s %-*N %-5s %3u %6u %s\n", kaddr,
ADDR_V6_WIDTH+4, deststr, ADDR_V6_WIDTH, gatep, flags,
ire->ire_refcnt,
ire->ire_ob_pkt_count + ire->ire_ib_pkt_count, intf);
}
return (WALK_NEXT);
}
static void
netstat_header_v4(int proto)
{
if (proto == IPPROTO_TCP)
mdb_printf("%<u>%-?s ", "TCPv4");
else if (proto == IPPROTO_UDP)
mdb_printf("%<u>%-?s ", "UDPv4");
else if (proto == IPPROTO_ICMP)
mdb_printf("%<u>%-?s ", "ICMPv4");
mdb_printf("State %6s%*s %6s%*s %-5s %-4s%</u>\n",
"", ADDR_V4_WIDTH, "Local Address",
"", ADDR_V4_WIDTH, "Remote Address", "Stack", "Zone");
}
static void
netstat_header_v6(int proto)
{
if (proto == IPPROTO_TCP)
mdb_printf("%<u>%-?s ", "TCPv6");
else if (proto == IPPROTO_UDP)
mdb_printf("%<u>%-?s ", "UDPv6");
else if (proto == IPPROTO_ICMP)
mdb_printf("%<u>%-?s ", "ICMPv6");
mdb_printf("State %6s%*s %6s%*s %-5s %-4s%</u>\n",
"", ADDR_V6_WIDTH, "Local Address",
"", ADDR_V6_WIDTH, "Remote Address", "Stack", "Zone");
}
static int
netstat_print_conn(const char *cache, int proto, mdb_walk_cb_t cbfunc,
void *cbdata)
{
netstat_cb_data_t *ncb = cbdata;
if ((ncb->opts & NETSTAT_VERBOSE) && proto == IPPROTO_TCP)
netstat_tcp_verbose_header_pr();
if (mdb_walk(cache, cbfunc, cbdata) == -1) {
mdb_warn("failed to walk %s", cache);
return (DCMD_ERR);
}
return (DCMD_OK);
}
static int
netstat_print_common(const char *cache, int proto, mdb_walk_cb_t cbfunc,
void *cbdata)
{
netstat_cb_data_t *ncb = cbdata;
int af = ncb->af;
int status = DCMD_OK;
if (af != AF_INET6) {
ncb->af = AF_INET;
netstat_header_v4(proto);
status = netstat_print_conn(cache, proto, cbfunc, cbdata);
}
if (status == DCMD_OK && af != AF_INET) {
ncb->af = AF_INET6;
netstat_header_v6(proto);
status = netstat_print_conn(cache, proto, cbfunc, cbdata);
}
ncb->af = af;
return (status);
}
/*ARGSUSED*/
int
netstat(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
uint_t opts = 0;
const char *optf = NULL;
const char *optP = NULL;
netstat_cb_data_t *cbdata;
int status;
int af = 0;
if (mdb_getopts(argc, argv,
'a', MDB_OPT_SETBITS, NETSTAT_ALL, &opts,
'f', MDB_OPT_STR, &optf,
'P', MDB_OPT_STR, &optP,
'r', MDB_OPT_SETBITS, NETSTAT_ROUTE, &opts,
'v', MDB_OPT_SETBITS, NETSTAT_VERBOSE, &opts,
NULL) != argc)
return (DCMD_USAGE);
if (optP != NULL) {
if ((strcmp("tcp", optP) != 0) && (strcmp("udp", optP) != 0) &&
(strcmp("icmp", optP) != 0))
return (DCMD_USAGE);
if (opts & NETSTAT_ROUTE)
return (DCMD_USAGE);
}
if (optf == NULL)
opts |= NETSTAT_V4 | NETSTAT_V6 | NETSTAT_UNIX;
else if (strcmp("inet", optf) == 0)
opts |= NETSTAT_V4;
else if (strcmp("inet6", optf) == 0)
opts |= NETSTAT_V6;
else if (strcmp("unix", optf) == 0)
opts |= NETSTAT_UNIX;
else
return (DCMD_USAGE);
if (opts & NETSTAT_ROUTE) {
if (!(opts & (NETSTAT_V4|NETSTAT_V6)))
return (DCMD_USAGE);
if (opts & NETSTAT_V4) {
opts |= NETSTAT_FIRST;
if (mdb_walk("ip`ire", netstat_irev4_cb, &opts) == -1) {
mdb_warn("failed to walk ip`ire");
return (DCMD_ERR);
}
}
if (opts & NETSTAT_V6) {
opts |= NETSTAT_FIRST;
if (mdb_walk("ip`ire", netstat_irev6_cb, &opts) == -1) {
mdb_warn("failed to walk ip`ire");
return (DCMD_ERR);
}
}
return (DCMD_OK);
}
if ((opts & NETSTAT_UNIX) && (optP == NULL)) {
/* Print Unix Domain Sockets */
mdb_printf("%<u>%-?s %-10s %-?s %-?s %-14s %-14s %s%</u>\n",
"AF_UNIX", "Type", "Vnode", "Conn", "Local Addr",
"Remote Addr", "Zone");
if (mdb_walk("genunix`sonode", netstat_unix_cb, NULL) == -1) {
mdb_warn("failed to walk genunix`sonode");
return (DCMD_ERR);
}
if (!(opts & (NETSTAT_V4 | NETSTAT_V6)))
return (DCMD_OK);
}
cbdata = mdb_alloc(sizeof (netstat_cb_data_t), UM_SLEEP);
cbdata->opts = opts;
if ((optf != NULL) && (opts & NETSTAT_V4))
af = AF_INET;
else if ((optf != NULL) && (opts & NETSTAT_V6))
af = AF_INET6;
cbdata->af = af;
if ((optP == NULL) || (strcmp("tcp", optP) == 0)) {
status = netstat_print_common("tcp_conn_cache", IPPROTO_TCP,
netstat_tcp_cb, cbdata);
if (status != DCMD_OK)
goto out;
}
if ((optP == NULL) || (strcmp("udp", optP) == 0)) {
status = netstat_print_common("udp_conn_cache", IPPROTO_UDP,
netstat_udp_cb, cbdata);
if (status != DCMD_OK)
goto out;
}
if ((optP == NULL) || (strcmp("icmp", optP) == 0)) {
status = netstat_print_common("rawip_conn_cache", IPPROTO_ICMP,
netstat_icmp_cb, cbdata);
if (status != DCMD_OK)
goto out;
}
out:
mdb_free(cbdata, sizeof (netstat_cb_data_t));
return (status);
}
/*
* "::dladm show-bridge" support
*/
typedef struct {
uint_t opt_l;
uint_t opt_f;
uint_t opt_t;
const char *name;
clock_t lbolt;
boolean_t found;
uint_t nlinks;
uint_t nfwd;
/*
* These structures are kept inside the 'args' for allocation reasons.
* They're all large data structures (over 1K), and may cause the stack
* to explode. mdb and kmdb will fail in these cases, and thus we
* allocate them from the heap.
*/
trill_inst_t ti;
bridge_link_t bl;
mac_impl_t mi;
} show_bridge_args_t;
static void
show_vlans(const uint8_t *vlans)
{
int i, bit;
uint8_t val;
int rstart = -1, rnext = -1;
for (i = 0; i < BRIDGE_VLAN_ARR_SIZE; i++) {
val = vlans[i];
if (i == 0)
val &= ~1;
while ((bit = mdb_ffs(val)) != 0) {
bit--;
val &= ~(1 << bit);
bit += i * sizeof (*vlans) * NBBY;
if (bit != rnext) {
if (rnext != -1 && rstart + 1 != rnext)
mdb_printf("-%d", rnext - 1);
if (rstart != -1)
mdb_printf(",");
mdb_printf("%d", bit);
rstart = bit;
}
rnext = bit + 1;
}
}
if (rnext != -1 && rstart + 1 != rnext)
mdb_printf("-%d", rnext - 1);
mdb_printf("\n");
}
/*
* This callback is invoked by a walk of the links attached to a bridge. If
* we're showing link details, then they're printed here. If not, then we just
* count up the links for the bridge summary.
*/
static int
do_bridge_links(uintptr_t addr, const void *data, void *ptr)
{
show_bridge_args_t *args = ptr;
const bridge_link_t *blp = data;
char macaddr[ETHERADDRL * 3];
const char *name;
args->nlinks++;
if (!args->opt_l)
return (WALK_NEXT);
if (mdb_vread(&args->mi, sizeof (args->mi),
(uintptr_t)blp->bl_mh) == -1) {
mdb_warn("cannot read mac data at %p", blp->bl_mh);
name = "?";
} else {
name = args->mi.mi_name;
}
mdb_mac_addr(blp->bl_local_mac, ETHERADDRL, macaddr,
sizeof (macaddr));
mdb_printf("%-?p %-16s %-17s %03X %-4d ", addr, name, macaddr,
blp->bl_flags, blp->bl_pvid);
if (blp->bl_trilldata == NULL) {
switch (blp->bl_state) {
case BLS_BLOCKLISTEN:
name = "BLOCK";
break;
case BLS_LEARNING:
name = "LEARN";
break;
case BLS_FORWARDING:
name = "FWD";
break;
default:
name = "?";
}
mdb_printf("%-5s ", name);
show_vlans(blp->bl_vlans);
} else {
show_vlans(blp->bl_afs);
}
return (WALK_NEXT);
}
/*
* It seems a shame to duplicate this code, but merging it with the link
* printing code above is more trouble than it would be worth.
*/
static void
print_link_name(show_bridge_args_t *args, uintptr_t addr, char sep)
{
const char *name;
if (mdb_vread(&args->bl, sizeof (args->bl), addr) == -1) {
mdb_warn("cannot read bridge link at %p", addr);
return;
}
if (mdb_vread(&args->mi, sizeof (args->mi),
(uintptr_t)args->bl.bl_mh) == -1) {
name = "?";
} else {
name = args->mi.mi_name;
}
mdb_printf("%s%c", name, sep);
}
static int
do_bridge_fwd(uintptr_t addr, const void *data, void *ptr)
{
show_bridge_args_t *args = ptr;
const bridge_fwd_t *bfp = data;
char macaddr[ETHERADDRL * 3];
int i;
#define MAX_FWD_LINKS 16
bridge_link_t *links[MAX_FWD_LINKS];
uint_t nlinks;
args->nfwd++;
if (!args->opt_f)
return (WALK_NEXT);
if ((nlinks = bfp->bf_nlinks) > MAX_FWD_LINKS)
nlinks = MAX_FWD_LINKS;
if (mdb_vread(links, sizeof (links[0]) * nlinks,
(uintptr_t)bfp->bf_links) == -1) {
mdb_warn("cannot read bridge forwarding links at %p",
bfp->bf_links);
return (WALK_ERR);
}
mdb_mac_addr(bfp->bf_dest, ETHERADDRL, macaddr, sizeof (macaddr));
mdb_printf("%-?p %-17s ", addr, macaddr);
if (bfp->bf_flags & BFF_LOCALADDR)
mdb_printf("%-7s", "[self]");
else
mdb_printf("t-%-5d", args->lbolt - bfp->bf_lastheard);
mdb_printf(" %-7u ", bfp->bf_refs);
if (bfp->bf_trill_nick != 0) {
mdb_printf("%d\n", bfp->bf_trill_nick);
} else {
for (i = 0; i < bfp->bf_nlinks; i++) {
print_link_name(args, (uintptr_t)links[i],
i == bfp->bf_nlinks - 1 ? '\n' : ' ');
}
}
return (WALK_NEXT);
}
static int
do_show_bridge(uintptr_t addr, const void *data, void *ptr)
{
show_bridge_args_t *args = ptr;
bridge_inst_t bi;
const bridge_inst_t *bip;
trill_node_t tn;
trill_sock_t tsp;
trill_nickinfo_t tni;
char bname[MAXLINKNAMELEN];
char macaddr[ETHERADDRL * 3];
char *cp;
uint_t nnicks;
int i;
if (data != NULL) {
bip = data;
} else {
if (mdb_vread(&bi, sizeof (bi), addr) == -1) {
mdb_warn("cannot read bridge instance at %p", addr);
return (WALK_ERR);
}
bip = &bi;
}
(void) strncpy(bname, bip->bi_name, sizeof (bname) - 1);
bname[MAXLINKNAMELEN - 1] = '\0';
cp = bname + strlen(bname);
if (cp > bname && cp[-1] == '0')
cp[-1] = '\0';
if (args->name != NULL && strcmp(args->name, bname) != 0)
return (WALK_NEXT);
args->found = B_TRUE;
args->nlinks = args->nfwd = 0;
if (args->opt_l) {
mdb_printf("%-?s %-16s %-17s %3s %-4s ", "ADDR", "LINK",
"MAC-ADDR", "FLG", "PVID");
if (bip->bi_trilldata == NULL)
mdb_printf("%-5s %s\n", "STATE", "VLANS");
else
mdb_printf("%s\n", "FWD-VLANS");
}
if (!args->opt_f && !args->opt_t &&
mdb_pwalk("list", do_bridge_links, args,
addr + offsetof(bridge_inst_t, bi_links)) != DCMD_OK)
return (WALK_ERR);
if (args->opt_f)
mdb_printf("%-?s %-17s %-7s %-7s %s\n", "ADDR", "DEST", "TIME",
"REFS", "OUTPUT");
if (!args->opt_l && !args->opt_t &&
mdb_pwalk("avl", do_bridge_fwd, args,
addr + offsetof(bridge_inst_t, bi_fwd)) != DCMD_OK)
return (WALK_ERR);
nnicks = 0;
if (bip->bi_trilldata != NULL && !args->opt_l && !args->opt_f) {
if (mdb_vread(&args->ti, sizeof (args->ti),
(uintptr_t)bip->bi_trilldata) == -1) {
mdb_warn("cannot read trill instance at %p",
bip->bi_trilldata);
return (WALK_ERR);
}
if (args->opt_t)
mdb_printf("%-?s %-5s %-17s %s\n", "ADDR",
"NICK", "NEXT-HOP", "LINK");
for (i = 0; i < RBRIDGE_NICKNAME_MAX; i++) {
if (args->ti.ti_nodes[i] == NULL)
continue;
if (args->opt_t) {
if (mdb_vread(&tn, sizeof (tn),
(uintptr_t)args->ti.ti_nodes[i]) == -1) {
mdb_warn("cannot read trill node %d at "
"%p", i, args->ti.ti_nodes[i]);
return (WALK_ERR);
}
if (mdb_vread(&tni, sizeof (tni),
(uintptr_t)tn.tn_ni) == -1) {
mdb_warn("cannot read trill node info "
"%d at %p", i, tn.tn_ni);
return (WALK_ERR);
}
mdb_mac_addr(tni.tni_adjsnpa, ETHERADDRL,
macaddr, sizeof (macaddr));
if (tni.tni_nick == args->ti.ti_nick) {
(void) strcpy(macaddr, "[self]");
}
mdb_printf("%-?p %-5u %-17s ",
args->ti.ti_nodes[i], tni.tni_nick,
macaddr);
if (tn.tn_tsp != NULL) {
if (mdb_vread(&tsp, sizeof (tsp),
(uintptr_t)tn.tn_tsp) == -1) {
mdb_warn("cannot read trill "
"socket info at %p",
tn.tn_tsp);
return (WALK_ERR);
}
if (tsp.ts_link != NULL) {
print_link_name(args,
(uintptr_t)tsp.ts_link,
'\n');
continue;
}
}
mdb_printf("--\n");
} else {
nnicks++;
}
}
} else {
if (args->opt_t)
mdb_printf("bridge is not running TRILL\n");
}
if (!args->opt_l && !args->opt_f && !args->opt_t) {
mdb_printf("%-?p %-7s %-16s %-7u %-7u", addr,
bip->bi_trilldata == NULL ? "stp" : "trill", bname,
args->nlinks, args->nfwd);
if (bip->bi_trilldata != NULL)
mdb_printf(" %-7u %u\n", nnicks, args->ti.ti_nick);
else
mdb_printf(" %-7s %s\n", "--", "--");
}
return (WALK_NEXT);
}
static int
dladm_show_bridge(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
show_bridge_args_t *args;
GElf_Sym sym;
int i;
args = mdb_zalloc(sizeof (*args), UM_SLEEP);
i = mdb_getopts(argc, argv,
'l', MDB_OPT_SETBITS, 1, &args->opt_l,
'f', MDB_OPT_SETBITS, 1, &args->opt_f,
't', MDB_OPT_SETBITS, 1, &args->opt_t,
NULL);
argc -= i;
argv += i;
if (argc > 1 || (argc == 1 && argv[0].a_type != MDB_TYPE_STRING)) {
mdb_free(args, sizeof (*args));
return (DCMD_USAGE);
}
if (argc == 1)
args->name = argv[0].a_un.a_str;
if (mdb_readvar(&args->lbolt,
mdb_prop_postmortem ? "panic_lbolt" : "lbolt") == -1) {
mdb_warn("failed to read lbolt");
goto err;
}
if (flags & DCMD_ADDRSPEC) {
if (args->name != NULL) {
mdb_printf("bridge name and address are mutually "
"exclusive\n");
goto err;
}
if (!args->opt_l && !args->opt_f && !args->opt_t)
mdb_printf("%-?s %-7s %-16s %-7s %-7s\n", "ADDR",
"PROTECT", "NAME", "NLINKS", "NFWD");
if (do_show_bridge(addr, NULL, args) != WALK_NEXT)
goto err;
mdb_free(args, sizeof (*args));
return (DCMD_OK);
} else {
if ((args->opt_l || args->opt_f || args->opt_t) &&
args->name == NULL) {
mdb_printf("need bridge name or address with -[lft]\n");
goto err;
}
if (mdb_lookup_by_obj("bridge", "inst_list", &sym) == -1) {
mdb_warn("failed to find 'bridge`inst_list'");
goto err;
}
if (!args->opt_l && !args->opt_f && !args->opt_t)
mdb_printf("%-?s %-7s %-16s %-7s %-7s %-7s %s\n",
"ADDR", "PROTECT", "NAME", "NLINKS", "NFWD",
"NNICKS", "NICK");
if (mdb_pwalk("list", do_show_bridge, args,
(uintptr_t)sym.st_value) != DCMD_OK)
goto err;
if (!args->found && args->name != NULL) {
mdb_printf("bridge instance %s not found\n",
args->name);
goto err;
}
mdb_free(args, sizeof (*args));
return (DCMD_OK);
}
err:
mdb_free(args, sizeof (*args));
return (DCMD_ERR);
}
/*
* Support for the "::dladm" dcmd
*/
int
dladm(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
if (argc < 1 || argv[0].a_type != MDB_TYPE_STRING)
return (DCMD_USAGE);
/*
* This could be a bit more elaborate, once we support more of the
* dladm show-* subcommands.
*/
argc--;
argv++;
if (strcmp(argv[-1].a_un.a_str, "show-bridge") == 0)
return (dladm_show_bridge(addr, flags, argc, argv));
return (DCMD_USAGE);
}
void
dladm_help(void)
{
mdb_printf("Subcommands:\n"
" show-bridge [-flt] [<name>]\n"
"\t Show bridge information; -l for links and -f for "
"forwarding\n"
"\t entries, and -t for TRILL nicknames. Address is required "
"if name\n"
"\t is not specified.\n");
}