static int cmd_ipconfig_update(struct vmm_chardev *cdev, int argc, char **argv)
{
u8 buf[4];
u8 mask[4];
int rc = VMM_OK;
switch(argc) {
case 3:
str2ipaddr(buf, argv[2]);
if(ipv4_class_netmask(buf,mask) != -1) {
netstack_set_ipaddr(buf);
netstack_set_ipmask(mask);
} else {
vmm_cprintf(cdev, "ERROR: Invalid IP address\n");
rc = VMM_EINVALID;
}
break;
case 4:
str2ipaddr(buf, argv[2]);
if(ipv4_class_netmask(buf,mask) != -1) {
netstack_set_ipaddr(buf);
str2ipaddr(buf, argv[3]);
netstack_set_ipmask(buf);
} else {
vmm_cprintf(cdev, "ERROR: Invalid IP address\n");
rc = VMM_EINVALID;
}
break;
case 5:
str2ipaddr(buf, argv[2]);
if(ipv4_class_netmask(buf,mask) != -1) {
netstack_set_ipaddr(buf);
str2ipaddr(buf, argv[3]);
netstack_set_ipmask(buf);
str2ipaddr(buf, argv[4]);
netstack_set_gatewayip(buf);
} else {
vmm_cprintf(cdev, "ERROR: Invalid IP address\n");
rc = VMM_EINVALID;
}
break;
default:
rc = VMM_EINVALID;
break;
};
return rc;
}
static int __init lwip_netstack_init(void)
{
int rc;
struct vmm_netswitch *nsw;
struct vmm_devtree_node *node;
const char *str;
u8 ip[] = {169, 254, 1, 1};
u8 mask[] = {255, 255, 255, 0};
ip_addr_t __ip, __nm, __gw;
/* Clear lwIP state */
memset(&lns, 0, sizeof(lns));
/* Get netstack device tree node if available */
node = vmm_devtree_getnode(VMM_DEVTREE_PATH_SEPARATOR_STRING
VMM_DEVTREE_VMMINFO_NODE_NAME
VMM_DEVTREE_PATH_SEPARATOR_STRING
VMM_DEVTREE_VMMNET_NODE_NAME
VMM_DEVTREE_PATH_SEPARATOR_STRING
VMM_DEVTREE_NETSTACK_NODE_NAME);
/* Retrive preferred IP address */
if (vmm_devtree_read_string(node, "ipaddr", &str) == VMM_OK) {
/* Read ip address from netstack node */
str2ipaddr(ip, str);
}
/* Retrive preferred IP address */
if (vmm_devtree_read_string(node, "netmask", &str) == VMM_OK) {
/* Read network mask from netstack node */
str2ipaddr(mask, str);
}
/* Retrive preferred netswitch */
if (vmm_devtree_read_string(node, "netswitch", &str) == VMM_OK) {
/* Find netswitch with given name */
nsw = vmm_netswitch_find(str);
} else {
/* Get default netswitch */
nsw = vmm_netswitch_default();
}
if (!nsw) {
vmm_panic("%s: No netswitch found\n", __func__);
}
/* Release netstack device tree node */
vmm_devtree_dref_node(node);
/* Allocate a netport */
lns.port = vmm_netport_alloc("lwip-netport", VMM_NETPORT_DEF_QUEUE_SIZE);
if (!lns.port) {
vmm_printf("%s: vmm_netport_alloc() failed\n", __func__);
rc = VMM_ENOMEM;
goto fail;
}
/* Setup a netport */
lns.port->mtu = 1500;
lns.port->link_changed = lwip_set_link;
lns.port->can_receive = lwip_can_receive;
lns.port->switch2port_xfer = lwip_switch2port_xfer;
lns.port->priv = &lns;
/* Register a netport */
rc = vmm_netport_register(lns.port);
if (rc) {
goto fail1;
}
/* Initialize lwIP + TCP/IP APIs */
tcpip_init(NULL, NULL);
/* Add netif */
IP4_ADDR(&__ip, ip[0],ip[1],ip[2],ip[3]);
IP4_ADDR(&__nm, mask[0],mask[1],mask[2],mask[3]);
IP4_ADDR(&__gw, ip[0],ip[1],ip[2],ip[3]);
netif_add(&lns.nif, &__ip, &__nm, &__gw, &lns,
lwip_netstack_netif_init, ethernet_input);
/* Set default netif */
netif_set_default(&lns.nif);
/* Attach netport with netswitch
* Note: This will cause netport link_change()
*/
rc = vmm_netswitch_port_add(nsw, lns.port);
if (rc) {
goto fail2;
}
#if !defined(PING_USE_SOCKETS)
/* Initalize RAW PCB for ping */
ping_raw_init();
#endif
return VMM_OK;
fail2:
vmm_netport_unregister(lns.port);
fail1:
vmm_netport_free(lns.port);
fail:
return rc;
}
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;
}
