static int do_ifup(int argc, char *argv[])
{
int opt;
unsigned flags = 0;
int all = 0;
while ((opt = getopt(argc, argv, "af")) > 0) {
switch (opt) {
case 'f':
flags |= IFUP_FLAG_FORCE;
break;
case 'a':
all = 1;
break;
}
}
if (all)
return ifup_all(flags);
if (argc == optind)
return COMMAND_ERROR_USAGE;
return ifup(argv[optind], flags);
}
int ifup_all(unsigned flags)
{
DIR *dir;
struct dirent *d;
dir = opendir("/env/network");
if (!dir)
return -ENOENT;
while ((d = readdir(dir))) {
if (*d->d_name == '.')
continue;
/*
* Skip xxx-discover files since these are no
* network configuration files, but scripts to bring
* up network interface xxx.
*/
if (strstr(d->d_name, "-discover"))
continue;
ifup(d->d_name, flags);
}
closedir(dir);
return 0;
}
int main(int argc, char **argv) {
int fd;
uint8_t msg[2048];
ssize_t msg_size;
struct ipv6_mreq mreq;
struct sockaddr_in6 addr;
const int zero = 0;
if (!ifup())
return 1;
fd = socket(AF_INET6, SOCK_DGRAM, 0);
if (fd < 0) {
perror("socket");
return 1;
}
memset(&addr, 0, sizeof(addr));
addr.sin6_family = AF_INET6;
addr.sin6_addr = in6addr_any;
addr.sin6_port = htons(NETKEYSCRIPT_PORT);
if (bind(fd, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
perror("bind");
return 1;
}
memset(&mreq, 0, sizeof(mreq));
if (!inet_pton(AF_INET6, "ff02::1", &mreq.ipv6mr_multiaddr)) {
perror("inet_pton");
return 1;
}
if (setsockopt(fd, IPPROTO_IPV6, IPV6_ADD_MEMBERSHIP, &mreq,
sizeof(mreq)) < 0) {
perror("setsockopt");
return 1;
}
if (setsockopt(fd, IPPROTO_IPV6, IPV6_MULTICAST_LOOP, &zero,
sizeof(zero))) {
perror("setsockopt");
return 1;
}
fputs("netkeyscript: waiting for passphrase\n", stderr);
msg_size = read_passphrase(fd, msg, sizeof(msg));
if (msg_size < 0) {
return 1;
}
/* +1/-1 to skip the command prefix code */
if (fwrite(msg+1, msg_size-1, 1, stdout) < 1) {
fputs("fwrite: error\n", stderr);
return 1;
}
ifdown();
return 0;
}
int StartTap(char *name) {
int tapfd;
if((tapfd = tun_alloc(name)) <= 0) {
printf("Failed to allocate tap %s\n", name);
return -1;
}
if(ifup(name) != 0) {
printf("Failed to bring up interface %s\n", name);
return -1;
}
return tapfd;
}
int CreateBridge(char* bridge) {
int sock = socket(AF_LOCAL, SOCK_STREAM, 0);
int br = -1;
if(sock <= 0) {
return -1;
}
br = ioctl(sock, SIOCBRADDBR, bridge);
close(sock);
if(br < 0 ) {
return -1;
}
return ifup(bridge);
}
int CheckBridge(char* bridge) {
char buff[256];
struct stat s;
snprintf(buff, sizeof(buff), "/sys/class/net/%s/bridge", bridge);
if(stat(buff, &s) != 0) {
return -1;
}
if(!S_ISDIR(s.st_mode)) {
return -1;
} else {
return ifup(bridge);
}
}
/****************************************************************************
main
Print out a menu, wait for keypresses, while calling tcp_tick.
****************************************************************************/
void main(void)
{
int val0, val1,i, level;
mac_addr mac;
char c;
word waitms, pingit;
longword pingid;
wifi_status status;
int len;
int printmenu;
unsigned long int end;
// Initialize the scan_complete variable
scan_complete = 0;
sock_init();
waitms = _SET_SHORT_TIMEOUT(300);
pingit = 0;
printmenu = 1;
for (;;) {
if (printmenu) {
printmenu = 0;
printf("\nMenu:\n");
printf(" Press s to scan available access points\n");
printf(" Press a to scan access points and associate\n");
printf(" Press m to print WIFI MAC status\n");
printf("\n");
}
tcp_tick(NULL);
if (kbhit()) {
switch (getchar()) {
case 'm':
case 'M':
ifconfig (IF_WIFI0, IFG_WIFI_STATUS, &status, IFS_END);
print_status(&status);
printmenu = 1;
break;
case 's':
case 'S':
// Bring the interface down before starting a scan
ifdown(IF_WIFI0);
while (ifpending(IF_WIFI0) != IF_DOWN)
tcp_tick(NULL);
// Set the callback before requesting scan
ifconfig(IF_WIFI0, IFS_WIFI_SCAN, scan_callback, IFS_END);
printf("Starting scan...\n");
break;
case 'a':
case 'A':
// Bring the interface down before starting a scan
ifdown(IF_WIFI0);
while (ifpending(IF_WIFI0) != IF_DOWN)
tcp_tick(NULL);
ifconfig(IF_WIFI0, IFS_WIFI_SCAN, scan_assoc_callback, IFS_END);
printf("Starting scan...\n");
break;
}
}
// Check to see if a scan has completed. If so, then bring the
// interface back up.
if (scan_complete) {
ifup(IF_WIFI0);
scan_complete = 0;
printmenu = 1;
}
}
}
main()
{
int state;
word tmo;
brdInit(); //initialize board for this demo
// Bring up interface first time (also prints our address)
sock_init_or_exit(1);
// First initialization OK, turn on both LEDs
if_led(LEDON);
xcvr_led(LEDON);
state = 0;
tmo = _SET_SHORT_TIMEOUT(UPTIME);
for(;;) {
switch (state) {
case 0: // Up, timing out
tcp_tick(NULL);
if (_CHK_SHORT_TIMEOUT(tmo)) {
printf("Bringing interface down...\n");
state = 1;
ifdown(IF_WIFI0);
}
break;
case 1: // bringing down
tcp_tick(NULL);
if (ifpending(IF_WIFI0) == IF_DOWN) {
printf("Powering down...\n");
if_led(LEDOFF);
xcvr_led(LEDOFF);
// Set flag for MAC to power down when tcp_tick function is called!
pd_powerdown(IF_WIFI0);
tmo =_SET_SHORT_TIMEOUT(DOWNTIME);
state = 2;
}
break;
case 2: // down, waiting
tcp_tick(NULL);
if (_CHK_SHORT_TIMEOUT(tmo)) {
printf("Powering up...\n");
// Set flag for MAC to power-up when tcp_tick function is called!
pd_powerup(IF_WIFI0);
xcvr_led(LEDON);
tmo =_SET_SHORT_TIMEOUT(500); // settle for 1/2 sec
state = 3;
}
break;
case 3: // let power stabilize
tcp_tick(NULL);
if (_CHK_SHORT_TIMEOUT(tmo)) {
printf("Bringing interface up...\n");
ifup(IF_WIFI0);
state = 4;
}
break;
case 4: // waiting for up
tcp_tick(NULL);
if (ifpending(IF_WIFI0) != IF_COMING_UP) {
if (ifpending(IF_WIFI0) == IF_DOWN) {
printf("!!!!! Failed to come back up!!!!!\n");
return -1;
}
printf("Up again!\n");
if_led(LEDON);
tmo =_SET_SHORT_TIMEOUT(UPTIME);
state = 0;
}
break;
}
}
}
main()
{
longword seq,ping_who,tmp_seq,time_out;
char buffer[100];
auto wifi_region region_info;
auto char index[10];
auto int option;
auto char tmpbuf[64];
auto int updateRegion;
auto int country;
auto int configured;
brdInit(); //initialize board for this demo
seq=0;
sock_init(); // Initial wifi interface
// Make sure wifi IF is down to do ifconfig's functions
printf("\nBringing interface down (disassociate)...\n");
ifdown(IF_WIFI0);
while (ifpending(IF_WIFI0) != IF_DOWN) {
printf(".");
tcp_tick(NULL);
}
printf("...Done.\n");
configured = FALSE;
updateRegion = FALSE;
do
{
country = get_stored_region(®ion_info);
// Check if the region has been previously set.
if(country < 0 || updateRegion)
{
// Populate structure with region info, then display
ifconfig (IF_WIFI0, IFG_WIFI_REGION_INFO, ®ion_info, IFS_END);
printf("\nCurrent region setting:\n");
display_info(®ion_info);
// Select Region and write value to userblock
country = wifi_config_region(®ion_info);
updateRegion = FALSE;
}
else
{
// Set Region from previously saved value read from the userblock, this
// will set the runtime limits to be used by the wifi driver.
ifconfig (IF_WIFI0, IFS_WIFI_REGION, country,
IFG_WIFI_REGION_INFO, ®ion_info, IFS_END);
printf("\nRuntime region setting now being used by wifi driver:\n");
display_info(®ion_info);
// Region has already been set at runtime, check if it needs to
// be changed due to country to country roaming.
printf("\nRegion already set, select option to continue");
printf("\n1. Continue.");
printf("\n2. Select new region.");
printf("\nSelect > ");
do
{
option = atoi(gets(tmpbuf));
} while (!((option >= 1) && (option <= 2)));
if(option == 2)
updateRegion = TRUE;
else
configured = TRUE;
}
}while(!configured);
// If you are not going to use the defaulted channel and/or power level,
// then you can use the following functions to set channel and/or the
// power level. This needs to be done after setting the region/country
// to meet wifi driver requirements.
//ifconfig (IF_WIFI0, IFS_WIFI_CHANNEL, 0, IFS_END); // Scan all channels
//ifconfig (IF_WIFI0, IFS_WIFI_TX_POWER, 8, IFS_END); // Set to Pwr level 8
// Startup the wireless interface here...
printf("Bringing interface back up (associate)...\n");
ifup(IF_WIFI0);
while (ifpending(IF_WIFI0) == IF_COMING_UP) {
tcp_tick(NULL);
}
printf("...Done.\n");
if (ifpending(IF_WIFI0) != IF_UP) {
printf("Unfortunately, it failed to associate :-(\n");
exit(1);
}
// End of regional setting section, from this point on do standard tcp/ip
// protocol.
/*
// Here is where we gather the statistics...
// Note that if you get a compile error here, it is because you are not running
// this sample on a Wifi-equipped board.
/* Print who we are... */
printf( "My IP address is %s\n\n", inet_ntoa(buffer, gethostid()) );
/*
* Get the binary ip address for the target of our
* pinging.
*/
#ifdef PING_WHO
/* Ping a specific IP addr: */
ping_who=resolve(PING_WHO);
if(ping_who==0) {
printf("ERROR: unable to resolve %s\n",PING_WHO);
exit(2);
}
#else
/* Examine our configuration, and ping the default router: */
tmp_seq = ifconfig( IF_ANY, IFG_ROUTER_DEFAULT, & ping_who, IFS_END );
if( tmp_seq != 0 ) {
printf( "ERROR: ifconfig() failed --> %d\n", (int) tmp_seq );
exit(2);
}
if(ping_who==0) {
printf("ERROR: unable to resolve IFG_ROUTER_DEFAULT\n");
exit(2);
}
#endif
for(;;) {
/*
* It is important to call tcp_tick here because
* ping packets will not get processed otherwise.
*
*/
tcp_tick(NULL);
/*
* Send one ping every PING_DELAY ms.
*/
costate {
waitfor(DelayMs(PING_DELAY));
_ping(ping_who,seq++);
pingoutled(LEDON); // flash transmit LED
waitfor(DelayMs(50));
pingoutled(LEDOFF);
}
/*
* Has a ping come in? time_out!=0xfffffff->yes.
*/
costate {
time_out=_chk_ping(ping_who,&tmp_seq);
if(time_out!=0xffffffff) {
#ifdef VERBOSE
printf("received ping: %ld\n", tmp_seq);
#endif
pinginled(LEDON); // flash receive LED
waitfor(DelayMs(50));
pinginled(LEDOFF);
}
}
}
}
main()
{
longword seq,ping_who,tmp_seq,time_out;
char buffer[100];
brdInit(); //initialize board for this demo
seq=0;
sock_init(); // Initialize wifi interface
// Make sure wifi IF is down to do ifconfig's functions
printf("\nBringing interface down (disassociate)...\n");
ifdown(IF_WIFI0);
while (ifpending(IF_WIFI0) != IF_DOWN) {
printf(".");
tcp_tick(NULL);
}
printf("...Done.\n");
// Enable 802.11d country information capability
// Note: Access Point must have 802.11d enabled with proper country selected
ifconfig(IF_WIFI0, IFS_WIFI_MULTI_DOMAIN, 1, IFS_END);
// Startup the wireless interface here...
printf("Bringing interface back up (associate)...\n");
ifup(IF_WIFI0);
while (ifpending(IF_WIFI0) == IF_COMING_UP) {
tcp_tick(NULL);
}
printf("...Done.\n");
if (ifpending(IF_WIFI0) != IF_UP) {
printf("Unfortunately, it failed to associate :-(\n");
exit(1);
}
// End of regional setting section, from this point on do standard tcp/ip
// protocol.
/*
// Here is where we gather the statistics...
// Note that if you get a compile error here, it is because you are not running
// this sample on a Wifi-equipped board.
/* Print who we are... */
printf( "My IP address is %s\n\n", inet_ntoa(buffer, gethostid()) );
/*
* Get the binary ip address for the target of our
* pinging.
*/
#ifdef PING_WHO
/* Ping a specific IP addr: */
ping_who=resolve(PING_WHO);
if(ping_who==0) {
printf("ERROR: unable to resolve %s\n",PING_WHO);
exit(2);
}
#else
/* Examine our configuration, and ping the default router: */
tmp_seq = ifconfig( IF_ANY, IFG_ROUTER_DEFAULT, & ping_who, IFS_END );
if( tmp_seq != 0 ) {
printf( "ERROR: ifconfig() failed --> %d\n", (int) tmp_seq );
exit(2);
}
if(ping_who==0) {
printf("ERROR: unable to resolve IFG_ROUTER_DEFAULT\n");
exit(2);
}
#endif
for(;;) {
/*
* It is important to call tcp_tick here because
* ping packets will not get processed otherwise.
*
*/
tcp_tick(NULL);
/*
* Send one ping every PING_DELAY ms.
*/
costate {
waitfor(DelayMs(PING_DELAY));
pingoutled(LEDON); // flash transmit LED
waitfor(DelayMs(50));
pingoutled(LEDOFF);
_ping(ping_who,seq++);
}
/*
* Has a ping come in? time_out!=0xfffffff->yes.
*/
costate {
time_out=_chk_ping(ping_who,&tmp_seq);
if(time_out!=0xffffffff) {
#ifdef VERBOSE
printf("received ping: %ld\n", tmp_seq);
#endif
pinginled(LEDON); // flash receive LED
waitfor(DelayMs(50));
pinginled(LEDOFF);
#if RCM5600W_SERIES
waitfor(DelayMs(250));
pinginled(LEDON); // flash receive LED again
waitfor(DelayMs(50));
pinginled(LEDOFF);
#endif
}
}
}
}
