static int cmd_ipconfig_show(struct vmm_chardev *cdev, int argc, char **argv)
{
u8 buf[4];
char str[30];
char *p;
vmm_cprintf(cdev, "Network stack Configuration:\n");
p = netstack_get_name();
vmm_cprintf(cdev, " TCP/IP stack name : %s\n", p);
netstack_get_ipaddr(buf);
p = ip4addr_to_str(str, buf);
vmm_cprintf(cdev, " IP address : %s\n", p);
netstack_get_ipmask(buf);
p = ip4addr_to_str(str, buf);
vmm_cprintf(cdev, " IP netmask : %s\n", p);
netstack_get_gatewayip(buf);
p = ip4addr_to_str(str, buf);
vmm_cprintf(cdev, " Gateway IP address : %s\n", p);
netstack_get_hwaddr(buf);
p = ethaddr_to_str(str, buf);
vmm_cprintf(cdev, " HW address : %s\n", p);
return VMM_OK;
}
static int cmd_ping_exec(struct vmm_chardev *cdev, int argc, char **argv)
{
u16 sent, rcvd, count = 1, size = 56;
struct netstack_echo_reply reply;
char ip_addr_str[20];
u32 rtt_usecs, rtt_msecs;
u64 min_rtt = -1, max_rtt = 0, avg_rtt = 0;
u8 ipaddr[4];
if((argc < 2) || (argc > 4)) {
cmd_ping_usage(cdev);
return VMM_EFAIL;
}
if(argc > 2) {
count = atoi(argv[2]);
}
if(argc > 3) {
size = atoi(argv[3]);
}
str2ipaddr(ipaddr, argv[1]);
vmm_cprintf(cdev, "PING (%s) %d(%d) bytes of data.\n",
argv[1], size, (size + IP4_HLEN + ICMP_HLEN));
netstack_prefetch_arp_mapping(ipaddr);
for(sent=0, rcvd=0; sent<count; sent++) {
if (!netstack_send_echo(ipaddr, size, sent, &reply)) {
if (reply.rtt < min_rtt)
min_rtt = reply.rtt;
if (reply.rtt > max_rtt)
max_rtt = reply.rtt;
avg_rtt += reply.rtt;
rtt_msecs = udiv64(reply.rtt, 1000);
rtt_usecs = umod64(reply.rtt, 1000);
ip4addr_to_str(ip_addr_str, (const u8 *)&reply.ripaddr);
vmm_cprintf(cdev, "%d bytes from %s: seq=%d "
"ttl=%d time=%d.%03dms\n", reply.len,
ip_addr_str, reply.seqno, reply.ttl,
rtt_msecs, rtt_usecs);
rcvd++;
}
}
if (min_rtt == -1) {
min_rtt = 0;
}
if (rcvd) {
avg_rtt = udiv64(avg_rtt, rcvd);
} else {
avg_rtt = 0;
}
vmm_cprintf(cdev, "\n----- %s ping statistics -----\n", argv[1]);
vmm_cprintf(cdev, "%d packets transmitted, %d packets received\n",
sent, rcvd);
vmm_cprintf(cdev, "round-trip min/avg/max = ");
rtt_msecs = udiv64(min_rtt, 1000);
rtt_usecs = umod64(min_rtt, 1000);
vmm_cprintf(cdev, "%d.%03d/", rtt_msecs, rtt_usecs);
rtt_msecs = udiv64(avg_rtt, 1000);
rtt_usecs = umod64(avg_rtt, 1000);
vmm_cprintf(cdev, "%d.%03d/", rtt_msecs, rtt_usecs);
rtt_msecs = udiv64(max_rtt, 1000);
rtt_usecs = umod64(max_rtt, 1000);
vmm_cprintf(cdev, "%d.%03d ms\n", rtt_msecs, rtt_usecs);
return VMM_OK;
}
