Passing the -f option we can set the value for FCS (a crc16 check for
l2cap packets).
---
test/l2test.c | 14 +++++++++++++-
1 files changed, 13 insertions(+), 1 deletions(-)
diff --git a/test/l2test.c b/test/l2test.c
index 6ba50c3..a503f26 100644
--- a/test/l2test.c
+++ b/test/l2test.c
@@ -70,6 +70,9 @@ static unsigned char *buf;
static int imtu = 672;
static int omtu = 0;
+/* Default FCS option */
+static int fcs = 0x01;
+
/* Default data size */
static long data_size = -1;
static long buffer_size = 2048;
@@ -220,6 +223,8 @@ static int do_connect(char *svr)
if (rfcmode > 0)
opts.mode = rfcmode;
+ opts.fcs = fcs;
+
if (setsockopt(sk, SOL_L2CAP, L2CAP_OPTIONS, &opts, sizeof(opts)) < 0) {
syslog(LOG_ERR, "Can't set L2CAP options: %s (%d)",
strerror(errno), errno);
@@ -380,6 +385,8 @@ static void do_listen(void (*handler)(int sk))
if (rfcmode > 0)
opts.mode = rfcmode;
+ opts.fcs = fcs;
+
if (setsockopt(sk, SOL_L2CAP, L2CAP_OPTIONS, &opts, sizeof(opts)) < 0) {
syslog(LOG_ERR, "Can't set L2CAP options: %s (%d)",
strerror(errno), errno);
@@ -1029,6 +1036,7 @@ static void usage(void)
printf("Options:\n"
"\t[-b bytes] [-i device] [-P psm]\n"
"\t[-I imtu] [-O omtu]\n"
+ "\t[-f fcs] use CRC16 check (default = 1)\n"
"\t[-L seconds] enable SO_LINGER\n"
"\t[-F seconds] enable deferred setup\n"
"\t[-B filename] use data packets from file\n"
@@ -1052,7 +1060,7 @@ int main(int argc, char *argv[])
bacpy(&bdaddr, BDADDR_ANY);
- while ((opt=getopt(argc,argv,"rdscuwmnxyzpb:i:P:I:O:B:N:L:F:C:D:X:RGAESMT")) != EOF) {
+ while ((opt=getopt(argc,argv,"rdscuwmnxyzpb:f:i:P:I:O:B:N:L:F:C:D:X:RGAESMT")) != EOF) {
switch(opt) {
case 'r':
mode = RECV;
@@ -1113,6 +1121,10 @@ int main(int argc, char *argv[])
data_size = atoi(optarg);
break;
+ case 'f':
+ fcs = atoi(optarg);
+ break;
+
case 'i':
if (!strncasecmp(optarg, "hci", 3))
hci_devba(atoi(optarg + 3), &bdaddr);
--
1.6.3.3
--
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