enum driver_type get_driver_type(void)
{
struct stat s;
if (wifi_chip_type == DRIVER_NOT_SET) {
/* Check for 60G driver */
ssize_t len;
char link[256];
char buf[256];
char *ifname = get_station_ifname();
snprintf(buf, sizeof(buf), "/sys/class/net/%s/device/driver",
ifname);
len = readlink(buf, link, sizeof(link) - 1);
if (len >= 0) {
link[len] = '\0';
if (strstr(link, DRIVER_NAME_60G))
return DRIVER_WIL6210;
}
if (stat("/sys/module/mac80211", &s) == 0)
return DRIVER_MAC80211;
return DRIVER_ATHEROS;
}
return wifi_chip_type;
}
static int cmd_traffic_send_ping(struct sigma_dut *dut,
struct sigma_conn *conn,
struct sigma_cmd *cmd)
{
const char *dst, *val;
int size, dur, pkts;
int id;
char resp[100];
float interval;
double rate;
FILE *f;
char buf[100];
int type = 1;
int dscp = 0, use_dscp = 0;
char extra[100], int_arg[100], intf_arg[100];
val = get_param(cmd, "Type");
if (!val)
val = get_param(cmd, "IPType");
if (val)
type = atoi(val);
if (type != 1 && type != 2) {
send_resp(dut, conn, SIGMA_ERROR,
"ErrorCode,Unsupported address type");
return 0;
}
dst = get_param(cmd, "destination");
if (dst == NULL || (type == 1 && !is_ip_addr(dst)) ||
(type == 2 && !is_ipv6_addr(dst)))
return -1;
val = get_param(cmd, "frameSize");
if (val == NULL)
return -1;
size = atoi(val);
val = get_param(cmd, "frameRate");
if (val == NULL)
return -1;
rate = atof(val);
if (rate <= 0)
return -1;
val = get_param(cmd, "duration");
if (val == NULL)
return -1;
dur = atoi(val);
if (dur <= 0 || dur > 3600)
dur = 3600;
pkts = dur * rate;
interval = (float) 1 / rate;
if (interval > 100000)
return -1;
val = get_param(cmd, "DSCP");
if (val) {
dscp = atoi(val);
if (dscp < 0 || dscp > 63) {
send_resp(dut, conn, SIGMA_ERROR,
"ErrorCode,Invalid DSCP value");
return 0;
}
use_dscp = 1;
}
id = dut->next_streamid++;
snprintf(buf, sizeof(buf), SIGMA_TMPDIR "/sigma_dut-ping.%d", id);
unlink(buf);
snprintf(buf, sizeof(buf), SIGMA_TMPDIR "/sigma_dut-ping-pid.%d", id);
unlink(buf);
sigma_dut_print(dut, DUT_MSG_DEBUG, "Send ping: pkts=%d interval=%f "
"streamid=%d",
pkts, interval, id);
f = fopen(SIGMA_TMPDIR "/sigma_dut-ping.sh", "w");
if (f == NULL)
return -2;
extra[0] = '\0';
if (use_dscp) {
snprintf(extra, sizeof(extra), " -Q 0x%02x",
dscp << 2);
}
int_arg[0] = '\0';
if (rate != 1)
snprintf(int_arg, sizeof(int_arg), " -i %f", interval);
intf_arg[0] = '\0';
if (type == 2)
snprintf(intf_arg, sizeof(intf_arg), " -I %s",
get_station_ifname());
fprintf(f, "#!" SHELL "\n"
"ping%s -c %d%s -s %d%s -q%s %s > " SIGMA_TMPDIR
"/sigma_dut-ping.%d &\n"
"echo $! > " SIGMA_TMPDIR "/sigma_dut-ping-pid.%d\n",
type == 2 ? "6" : "", pkts, int_arg, size, extra,
intf_arg, dst, id, id);
fclose(f);
if (chmod(SIGMA_TMPDIR "/sigma_dut-ping.sh",
S_IRUSR | S_IWUSR | S_IXUSR) < 0)
return -2;
if (system(SIGMA_TMPDIR "/sigma_dut-ping.sh") != 0) {
sigma_dut_print(dut, DUT_MSG_ERROR, "Failed to start ping");
return -2;
}
unlink(SIGMA_TMPDIR "/sigma_dut-ping.sh");
snprintf(resp, sizeof(resp), "streamID,%d", id);
send_resp(dut, conn, SIGMA_COMPLETE, resp);
return 0;
}
