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zephyr/subsys/net/ip/net_shell.c
Marcus Shawcroft ccd6d8c79f net/dhcpv4: Remove unused dhcpv4 offer state 
The offer state is unused, remove it.

Change-Id: I9d6217dae291bb90c57c77ce439809bf7e9a9177
Signed-off-by: Marcus Shawcroft <marcus.shawcroft@arm.com>
2017-02-14 08:30:34 +02:00

785 lines
19 KiB
C
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/** @file
* @brief Network shell module
*
* Provide some networking shell commands that can be useful to applications.
*/
/*
* Copyright (c) 2016 Intel Corporation
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr.h>
#include <shell/shell.h>
#include <net/net_if.h>
#include <misc/printk.h>
#include "route.h"
#include "icmpv6.h"
#include "icmpv4.h"
#if defined(CONFIG_NET_TCP)
#include "tcp.h"
#endif
#include "net_shell.h"
#include "net_stats.h"
/*
* Set NET_LOG_ENABLED in order to activate address printing functions
* in net_private.h
*/
#define NET_LOG_ENABLED 1
#include "net_private.h"
#define NET_SHELL_MODULE "net"
/* net_stack dedicated section limiters */
extern struct net_stack_info __net_stack_start[];
extern struct net_stack_info __net_stack_end[];
static inline const char *addrtype2str(enum net_addr_type addr_type)
{
switch (addr_type) {
case NET_ADDR_ANY:
return "<unknown type>";
case NET_ADDR_AUTOCONF:
return "autoconf";
case NET_ADDR_DHCP:
return "DHCP";
case NET_ADDR_MANUAL:
return "manual";
}
return "<invalid type>";
}
static inline const char *addrstate2str(enum net_addr_state addr_state)
{
switch (addr_state) {
case NET_ADDR_ANY_STATE:
return "<unknown state>";
case NET_ADDR_TENTATIVE:
return "tentative";
case NET_ADDR_PREFERRED:
return "preferred";
case NET_ADDR_DEPRECATED:
return "deprecated";
}
return "<invalid state>";
}
#if defined(CONFIG_NET_DHCPV4)
static inline const char *dhcpv4state2str(enum net_dhcpv4_state state)
{
switch (state) {
case NET_DHCPV4_INIT:
return "init";
case NET_DHCPV4_DISCOVER:
return "discover";
case NET_DHCPV4_REQUEST:
return "request";
case NET_DHCPV4_RENEWAL:
return "renewal";
case NET_DHCPV4_ACK:
return "ack";
}
return "<invalid state>";
}
#endif /* CONFIG_NET_DHCPV4 */
static void tx_stack(struct net_if *iface, unsigned char *stack,
size_t stack_size)
{
ARG_UNUSED(iface);
#if defined(CONFIG_INIT_STACKS)
unsigned int stack_offset, pcnt, unused;
net_analyze_stack_get_values(stack, stack_size,
&stack_offset, &pcnt, &unused);
printk("TX stack size %zu/%zu bytes unused %u usage %zu/%zu (%u %%)\n",
stack_size,
stack_size + stack_offset, unused,
stack_size - unused, stack_size, pcnt);
#else
ARG_UNUSED(stack_size);
ARG_UNUSED(stack);
printk("TX stack usage not available.\n");
#endif
}
static void iface_cb(struct net_if *iface, void *user_data)
{
#if defined(CONFIG_NET_IPV6)
struct net_if_ipv6_prefix *prefix;
struct net_if_router *router;
#endif
struct net_if_addr *unicast;
struct net_if_mcast_addr *mcast;
int i, count;
ARG_UNUSED(user_data);
printk("Interface %p\n", iface);
printk("====================\n");
tx_stack(iface, iface->tx_stack, CONFIG_NET_TX_STACK_SIZE);
printk("Link addr : %s\n", net_sprint_ll_addr(iface->link_addr.addr,
iface->link_addr.len));
printk("MTU : %d\n", iface->mtu);
#if defined(CONFIG_NET_IPV6)
count = 0;
printk("IPv6 unicast addresses (max %d):\n", NET_IF_MAX_IPV6_ADDR);
for (i = 0; i < NET_IF_MAX_IPV6_ADDR; i++) {
unicast = &iface->ipv6.unicast[i];
if (!unicast->is_used) {
continue;
}
printk("\t%s %s %s%s\n",
net_sprint_ipv6_addr(&unicast->address.in6_addr),
addrtype2str(unicast->addr_type),
addrstate2str(unicast->addr_state),
unicast->is_infinite ? " infinite" : "");
count++;
}
if (count == 0) {
printk("\t<none>\n");
}
count = 0;
printk("IPv6 multicast addresses (max %d):\n", NET_IF_MAX_IPV6_MADDR);
for (i = 0; i < NET_IF_MAX_IPV6_MADDR; i++) {
mcast = &iface->ipv6.mcast[i];
if (!mcast->is_used) {
continue;
}
printk("\t%s\n",
net_sprint_ipv6_addr(&mcast->address.in6_addr));
count++;
}
if (count == 0) {
printk("\t<none>\n");
}
count = 0;
printk("IPv6 prefixes (max %d):\n", NET_IF_MAX_IPV6_PREFIX);
for (i = 0; i < NET_IF_MAX_IPV6_PREFIX; i++) {
prefix = &iface->ipv6.prefix[i];
if (!prefix->is_used) {
continue;
}
printk("\t%s/%d%s\n",
net_sprint_ipv6_addr(&prefix->prefix),
prefix->len,
prefix->is_infinite ? " infinite" : "");
count++;
}
if (count == 0) {
printk("\t<none>\n");
}
router = net_if_ipv6_router_find_default(iface, NULL);
if (router) {
printk("IPv6 default router :\n");
printk("\t%s%s\n",
net_sprint_ipv6_addr(&router->address.in6_addr),
router->is_infinite ? " infinite" : "");
}
printk("IPv6 hop limit : %d\n", iface->hop_limit);
printk("IPv6 base reachable time : %d\n", iface->base_reachable_time);
printk("IPv6 reachable time : %d\n", iface->reachable_time);
printk("IPv6 retransmit timer : %d\n", iface->retrans_timer);
#endif /* CONFIG_NET_IPV6 */
#if defined(CONFIG_NET_IPV4)
count = 0;
printk("IPv4 unicast addresses (max %d):\n", NET_IF_MAX_IPV4_ADDR);
for (i = 0; i < NET_IF_MAX_IPV4_ADDR; i++) {
unicast = &iface->ipv4.unicast[i];
if (!unicast->is_used) {
continue;
}
printk("\t%s %s %s%s\n",
net_sprint_ipv4_addr(&unicast->address.in_addr),
addrtype2str(unicast->addr_type),
addrstate2str(unicast->addr_state),
unicast->is_infinite ? " infinite" : "");
count++;
}
if (count == 0) {
printk("\t<none>\n");
}
count = 0;
printk("IPv4 multicast addresses (max %d):\n", NET_IF_MAX_IPV4_MADDR);
for (i = 0; i < NET_IF_MAX_IPV4_MADDR; i++) {
mcast = &iface->ipv4.mcast[i];
if (!mcast->is_used) {
continue;
}
printk("\t%s\n",
net_sprint_ipv4_addr(&mcast->address.in_addr));
count++;
}
if (count == 0) {
printk("\t<none>\n");
}
printk("IPv4 gateway : %s\n",
net_sprint_ipv4_addr(&iface->ipv4.gw));
printk("IPv4 netmask : %s\n",
net_sprint_ipv4_addr(&iface->ipv4.netmask));
#endif /* CONFIG_NET_IPV4 */
#if defined(CONFIG_NET_DHCPV4)
printk("DHCPv4 lease time : %u\n", iface->dhcpv4.lease_time);
printk("DHCPv4 renew time : %u\n", iface->dhcpv4.renewal_time);
printk("DHCPv4 server : %s\n",
net_sprint_ipv4_addr(&iface->dhcpv4.server_id));
printk("DHCPv4 requested : %s\n",
net_sprint_ipv4_addr(&iface->dhcpv4.requested_ip));
printk("DHCPv4 state : %s\n",
dhcpv4state2str(iface->dhcpv4.state));
printk("DHCPv4 attempts : %d\n", iface->dhcpv4.attempts);
#endif /* CONFIG_NET_DHCPV4 */
}
#if defined(CONFIG_NET_ROUTE)
static void route_cb(struct net_route_entry *entry, void *user_data)
{
struct net_if *iface = user_data;
struct net_route_nexthop *nexthop_route;
int count;
if (entry->iface != iface) {
return;
}
printk("IPv6 Route %p for interface %p\n", entry, iface);
printk("==============================================\n");
printk("IPv6 prefix : %s/%d\n",
net_sprint_ipv6_addr(&entry->addr),
entry->prefix_len);
count = 0;
printk("Next hops :\n");
SYS_SLIST_FOR_EACH_CONTAINER(&entry->nexthop, nexthop_route, node) {
struct net_linkaddr_storage *lladdr;
if (!nexthop_route->nbr) {
continue;
}
printk("\tneighbor : %p\n", nexthop_route->nbr);
if (nexthop_route->nbr->idx == NET_NBR_LLADDR_UNKNOWN) {
printk("\tlink addr : <unknown>\n");
} else {
lladdr = net_nbr_get_lladdr(nexthop_route->nbr->idx);
printk("\tlink addr : %s\n",
net_sprint_ll_addr(lladdr->addr,
lladdr->len));
}
count++;
}
if (count == 0) {
printk("\t<none>\n");
}
}
static void iface_per_route_cb(struct net_if *iface, void *user_data)
{
ARG_UNUSED(user_data);
net_route_foreach(route_cb, iface);
}
#endif /* CONFIG_NET_ROUTE */
#if defined(CONFIG_NET_ROUTE_MCAST)
static void route_mcast_cb(struct net_route_entry_mcast *entry,
void *user_data)
{
struct net_if *iface = user_data;
if (entry->iface != iface) {
return;
}
printk("IPv6 multicast route %p for interface %p\n", entry, iface);
printk("========================================================\n");
printk("IPv6 group : %s\n", net_sprint_ipv6_addr(&entry->group));
printk("Lifetime : %lu\n", entry->lifetime);
}
static void iface_per_mcast_route_cb(struct net_if *iface, void *user_data)
{
net_route_mcast_foreach(route_mcast_cb, NULL, iface);
}
#endif /* CONFIG_NET_ROUTE_MCAST */
#if defined(CONFIG_NET_STATISTICS)
static inline void net_shell_print_statistics(void)
{
#if defined(CONFIG_NET_IPV6)
printk("IPv6 recv %d\tsent\t%d\tdrop\t%d\tforwarded\t%d\n",
GET_STAT(ipv6.recv),
GET_STAT(ipv6.sent),
GET_STAT(ipv6.drop),
GET_STAT(ipv6.forwarded));
#if defined(CONFIG_NET_IPV6_ND)
printk("IPv6 ND recv %d\tsent\t%d\tdrop\t%d\n",
GET_STAT(ipv6_nd.recv),
GET_STAT(ipv6_nd.sent),
GET_STAT(ipv6_nd.drop));
#endif /* CONFIG_NET_IPV6_ND */
#endif /* CONFIG_NET_IPV6 */
#if defined(CONFIG_NET_IPV4)
printk("IPv4 recv %d\tsent\t%d\tdrop\t%d\tforwarded\t%d\n",
GET_STAT(ipv4.recv),
GET_STAT(ipv4.sent),
GET_STAT(ipv4.drop),
GET_STAT(ipv4.forwarded));
#endif /* CONFIG_NET_IPV4 */
printk("IP vhlerr %d\thblener\t%d\tlblener\t%d\n",
GET_STAT(ip_errors.vhlerr),
GET_STAT(ip_errors.hblenerr),
GET_STAT(ip_errors.lblenerr));
printk("IP fragerr %d\tchkerr\t%d\tprotoer\t%d\n",
GET_STAT(ip_errors.fragerr),
GET_STAT(ip_errors.chkerr),
GET_STAT(ip_errors.protoerr));
printk("ICMP recv %d\tsent\t%d\tdrop\t%d\n",
GET_STAT(icmp.recv),
GET_STAT(icmp.sent),
GET_STAT(icmp.drop));
printk("ICMP typeer %d\tchkerr\t%d\n",
GET_STAT(icmp.typeerr),
GET_STAT(icmp.chkerr));
#if defined(CONFIG_NET_UDP)
printk("UDP recv %d\tsent\t%d\tdrop\t%d\n",
GET_STAT(udp.recv),
GET_STAT(udp.sent),
GET_STAT(udp.drop));
printk("UDP chkerr %d\n",
GET_STAT(udp.chkerr));
#endif
#if defined(CONFIG_NET_RPL_STATS)
printk("RPL DIS recv %d\tsent\t%d\tdrop\t%d\n",
GET_STAT(rpl.dis.recv),
GET_STAT(rpl.dis.sent),
GET_STAT(rpl.dis.drop));
printk("RPL DIO recv %d\tsent\t%d\tdrop\t%d\n",
GET_STAT(rpl.dio.recv),
GET_STAT(rpl.dio.sent),
GET_STAT(rpl.dio.drop));
printk("RPL DAO recv %d\tsent\t%d\tdrop\t%d\tforwarded\t%d\n",
GET_STAT(rpl.dao.recv),
GET_STAT(rpl.dao.sent),
GET_STAT(rpl.dao.drop),
GET_STAT(rpl.dao.forwarded));
printk("RPL DAOACK rcv %d\tsent\t%d\tdrop\t%d\n",
GET_STAT(rpl.dao_ack.recv),
GET_STAT(rpl.dao_ack.sent),
GET_STAT(rpl.dao_ack.drop));
printk("RPL overflows %d\tl-repairs\t%d\tg-repairs\t%d\n",
GET_STAT(rpl.mem_overflows),
GET_STAT(rpl.local_repairs),
GET_STAT(rpl.global_repairs));
printk("RPL malformed %d\tresets \t%d\tp-switch\t%d\n",
GET_STAT(rpl.malformed_msgs),
GET_STAT(rpl.resets),
GET_STAT(rpl.parent_switch));
printk("RPL f-errors %d\tl-errors\t%d\tl-warnings\t%d\n",
GET_STAT(rpl.forward_errors),
GET_STAT(rpl.loop_errors),
GET_STAT(rpl.loop_warnings));
printk("RPL r-repairs %d\n",
GET_STAT(rpl.root_repairs));
#endif
printk("Bytes received %u\n", GET_STAT(bytes.received));
printk("Bytes sent %u\n", GET_STAT(bytes.sent));
printk("Processing err %d\n", GET_STAT(processing_error));
}
#endif /* CONFIG_NET_STATISTICS */
static void context_cb(struct net_context *context, void *user_data)
{
#if defined(CONFIG_NET_IPV6) && !defined(CONFIG_NET_IPV4)
#define ADDR_LEN NET_IPV6_ADDR_LEN
#elif defined(CONFIG_NET_IPV4) && !defined(CONFIG_NET_IPV6)
#define ADDR_LEN NET_IPV4_ADDR_LEN
#else
#define ADDR_LEN NET_IPV6_ADDR_LEN
#endif
int *count = user_data;
char addr_str[ADDR_LEN];
if (context->local.family == AF_INET6) {
snprintk(addr_str, ADDR_LEN, "%s",
net_sprint_ipv6_addr(
net_sin6_ptr(&context->local)->sin6_addr));
printk("%p\t%16s\t%16s\t%p\t%c%c%c\n", context, addr_str,
net_sprint_ipv6_addr(
&net_sin6(&context->remote)->sin6_addr),
net_context_get_iface(context),
net_context_get_family(context) == AF_INET6 ? '6' : '4',
net_context_get_type(context) == SOCK_DGRAM ? 'D' : 'S',
net_context_get_ip_proto(context) == IPPROTO_UDP ?
'U' : 'T');
(*count)++;
return;
}
if (context->local.family == AF_INET) {
snprintk(addr_str, ADDR_LEN, "%s",
net_sprint_ipv4_addr(
net_sin_ptr(&context->local)->sin_addr));
printk("%p\t%16s\t%16s\t%p\t%c%c%c\n", context, addr_str,
net_sprint_ipv4_addr(
&net_sin(&context->remote)->sin_addr),
net_context_get_iface(context),
net_context_get_family(context) == AF_INET6 ? '6' : '4',
net_context_get_type(context) == SOCK_DGRAM ? 'D' : 'S',
net_context_get_ip_proto(context) == IPPROTO_UDP ?
'U' : 'T');
(*count)++;
return;
}
if (context->local.family != AF_UNSPEC) {
printk("Invalid address family (%d) for context %p\n",
context->local.family, context);
}
}
#if defined(CONFIG_NET_TCP)
static void tcp_cb(struct net_tcp *tcp, void *user_data)
{
int *count = user_data;
uint16_t recv_mss = net_tcp_get_recv_mss(tcp);
printk("%p\t%12s\t%10u%10u%11u%11u%5u\n",
tcp, net_tcp_state_str(net_tcp_get_state(tcp)),
ntohs(net_sin6_ptr(&tcp->context->local)->sin6_port),
ntohs(net_sin6(&tcp->context->remote)->sin6_port),
tcp->send_seq, tcp->send_ack, recv_mss);
(*count)++;
}
#endif
/* Put the actual shell commands after this */
static int shell_cmd_conn(int argc, char *argv[])
{
int count = 0;
ARG_UNUSED(argc);
ARG_UNUSED(argv);
printk("Context \tLocal \tRemote \tIface \t"
"Flags\n");
net_context_foreach(context_cb, &count);
if (count == 0) {
printk("No connections\n");
}
#if defined(CONFIG_NET_TCP)
printk("\nTCP \tState \tSrc port Dst port "
"Send-Seq Send-Ack MSS\n");
count = 0;
net_tcp_foreach(tcp_cb, &count);
if (count == 0) {
printk("No TCP connections\n");
}
#endif
return 0;
}
static int shell_cmd_iface(int argc, char *argv[])
{
ARG_UNUSED(argc);
ARG_UNUSED(argv);
net_if_foreach(iface_cb, NULL);
return 0;
}
static int shell_cmd_mem(int argc, char *argv[])
{
size_t tx_size, rx_size, data_size;
int tx, rx, data;
ARG_UNUSED(argc);
ARG_UNUSED(argv);
net_nbuf_get_info(&tx_size, &rx_size, &data_size, &tx, &rx, &data);
printk("Fragment length %d bytes\n", CONFIG_NET_NBUF_DATA_SIZE);
printk("Network buffer pools:\n");
printk("\tTX\t%zu bytes, %d elements", tx_size,
CONFIG_NET_NBUF_TX_COUNT);
if (tx >= 0) {
printk(", available %d", tx);
}
printk("\n");
printk("\tRX\t%zu bytes, %d elements", rx_size,
CONFIG_NET_NBUF_RX_COUNT);
if (rx >= 0) {
printk(", available %d", rx);
}
printk("\n");
printk("\tDATA\t%zu bytes, %d elements", data_size,
CONFIG_NET_NBUF_DATA_COUNT);
if (data >= 0) {
printk(", available %d", data);
}
printk("\n");
return 0;
}
static int shell_cmd_ping(int argc, char *argv[])
{
#if defined(CONFIG_NET_IPV6)
struct in6_addr ipv6_target;
#endif
#if defined(CONFIG_NET_IPV4)
struct in_addr ipv4_target;
#endif
char *host;
int ret;
ARG_UNUSED(argc);
if (!strcmp(argv[0], "ping")) {
host = argv[1];
} else {
host = argv[2];
}
#if defined(CONFIG_NET_IPV6) && !defined(CONFIG_NET_IPV4)
ret = net_addr_pton(AF_INET6, host, &ipv6_target);
if (ret < 0) {
printk("Invalid IPv6 address\n");
return 0;
}
ret = net_icmpv6_send_echo_request(net_if_get_default(),
&ipv6_target,
sys_rand32_get(),
sys_rand32_get());
if (ret < 0) {
printk("Cannot send IPv6 ping\n");
}
#endif
#if defined(CONFIG_NET_IPV4) && !defined(CONFIG_NET_IPV6)
ret = net_addr_pton(AF_INET, host, &ipv4_target);
if (ret < 0) {
printk("Invalid IPv4 address\n");
return 0;
}
ret = net_icmpv4_send_echo_request(net_if_get_default(),
&ipv4_target,
sys_rand32_get(),
sys_rand32_get());
if (ret < 0) {
printk("Cannot send IPv4 ping\n");
}
#endif
#if defined(CONFIG_NET_IPV6) && defined(CONFIG_NET_IPV4)
ret = net_addr_pton(AF_INET6, host, &ipv6_target);
if (ret < 0) {
ret = net_addr_pton(AF_INET, host, &ipv4_target);
if (ret < 0) {
printk("Invalid IP address\n");
return 0;
}
ret = net_icmpv4_send_echo_request(net_if_get_default(),
&ipv4_target,
sys_rand32_get(),
sys_rand32_get());
if (ret < 0) {
printk("Cannot send IPv4 ping\n");
}
return 0;
} else {
ret = net_icmpv6_send_echo_request(net_if_get_default(),
&ipv6_target,
sys_rand32_get(),
sys_rand32_get());
if (ret < 0) {
printk("Cannot send IPv6 ping\n");
}
}
#endif
return 0;
}
static int shell_cmd_route(int argc, char *argv[])
{
ARG_UNUSED(argc);
ARG_UNUSED(argv);
#if defined(CONFIG_NET_ROUTE)
net_if_foreach(iface_per_route_cb, NULL);
#else
printk("Network route support not compiled in.\n");
#endif
#if defined(CONFIG_NET_ROUTE_MCAST)
net_if_foreach(iface_per_mcast_route_cb, NULL);
#endif
return 0;
}
static int shell_cmd_stacks(int argc, char *argv[])
{
#if defined(CONFIG_INIT_STACKS)
unsigned int stack_offset, pcnt, unused;
#endif
struct net_stack_info *info;
ARG_UNUSED(argc);
ARG_UNUSED(argv);
for (info = __net_stack_start; info != __net_stack_end; info++) {
net_analyze_stack_get_values(info->stack, info->size,
&stack_offset, &pcnt, &unused);
#if defined(CONFIG_INIT_STACKS)
printk("%s [%s] stack size %zu/%zu bytes unused %u usage"
" %zu/%zu (%u %%)\n",
info->pretty_name, info->name, info->orig_size,
info->size + stack_offset, unused,
info->size - unused, info->size, pcnt);
#else
printk("%s [%s] stack size %u usage not available\n",
info->pretty_name, info->name, info->orig_size);
#endif
}
return 0;
}
static int shell_cmd_stats(int argc, char *argv[])
{
ARG_UNUSED(argc);
ARG_UNUSED(argv);
#if defined(CONFIG_NET_STATISTICS)
net_shell_print_statistics();
#else
printk("Network statistics not compiled in.\n");
#endif
return 0;
}
static int shell_cmd_help(int argc, char *argv[])
{
ARG_UNUSED(argc);
ARG_UNUSED(argv);
/* Keep the commands in alphabetical order */
printk("net conn\n\tPrint information about network connections\n");
printk("net iface\n\tPrint information about network interfaces\n");
printk("net mem\n\tPrint network buffer information\n");
printk("net ping <host>\n\tPing a network host\n");
printk("net route\n\tShow network routes\n");
printk("net stacks\n\tShow network stacks information\n");
printk("net stats\n\tShow network statistics\n");
return 0;
}
static struct shell_cmd net_commands[] = {
/* Keep the commands in alphabetical order */
{ "conn", shell_cmd_conn, NULL },
{ "help", shell_cmd_help, NULL },
{ "iface", shell_cmd_iface, NULL },
{ "mem", shell_cmd_mem, NULL },
{ "ping", shell_cmd_ping, NULL },
{ "route", shell_cmd_route, NULL },
{ "stacks", shell_cmd_stacks, NULL },
{ "stats", shell_cmd_stats, NULL },
{ NULL, NULL, NULL }
};
void net_shell_init(void)
{
SHELL_REGISTER(NET_SHELL_MODULE, net_commands);
}
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