Size is set using SO_RCVBUF, see man 7 socket for more details.
---
test/l2test.c | 49 ++++++++++++++++++++++++++++++++++++++++++++-----
1 files changed, 44 insertions(+), 5 deletions(-)
diff --git a/test/l2test.c b/test/l2test.c
index 5034775..35f8ce3 100644
--- a/test/l2test.c
+++ b/test/l2test.c
@@ -112,6 +112,7 @@ static int reliable = 0;
static int timestamp = 0;
static int defer_setup = 0;
static int priority = -1;
+static int rcvbuf = 0;
static struct {
char *name;
@@ -309,6 +310,21 @@ static int do_connect(char *svr)
goto error;
}
+ /* Set receive buffer size */
+ if (rcvbuf && setsockopt(sk, SOL_SOCKET, SO_RCVBUF,
+ &rcvbuf, sizeof(rcvbuf)) < 0) {
+ syslog(LOG_ERR, "Can't set socket rcv buf size: %s (%d)",
+ strerror(errno), errno);
+ goto error;
+ }
+
+ optlen = sizeof(rcvbuf);
+ if (getsockopt(sk, SOL_SOCKET, SO_RCVBUF, &rcvbuf, &optlen) < 0) {
+ syslog(LOG_ERR, "Can't get socket rcv buf size: %s (%d)",
+ strerror(errno), errno);
+ goto error;
+ }
+
/* Connect to remote device */
memset(&addr, 0, sizeof(addr));
addr.l2_family = AF_BLUETOOTH;
@@ -360,9 +376,10 @@ static int do_connect(char *svr)
}
syslog(LOG_INFO, "Connected [imtu %d, omtu %d, flush_to %d, "
- "mode %d, handle %d, class 0x%02x%02x%02x, priority %d]",
+ "mode %d, handle %d, class 0x%02x%02x%02x, priority %d, rcvbuf %d]",
opts.imtu, opts.omtu, opts.flush_to, opts.mode, conn.hci_handle,
- conn.dev_class[2], conn.dev_class[1], conn.dev_class[0], opt);
+ conn.dev_class[2], conn.dev_class[1], conn.dev_class[0], opt,
+ rcvbuf);
omtu = (opts.omtu > buffer_size) ? buffer_size : opts.omtu;
imtu = (opts.imtu > buffer_size) ? buffer_size : opts.imtu;
@@ -509,6 +526,22 @@ static void do_listen(void (*handler)(int sk))
/* Child */
close(sk);
+ /* Set receive buffer size */
+ if (rcvbuf && setsockopt(nsk, SOL_SOCKET, SO_RCVBUF, &rcvbuf,
+ sizeof(rcvbuf)) < 0) {
+ syslog(LOG_ERR, "Can't set rcv buf size: %s (%d)",
+ strerror(errno), errno);
+ goto error;
+ }
+
+ optlen = sizeof(rcvbuf);
+ if (getsockopt(nsk, SOL_SOCKET, SO_RCVBUF, &rcvbuf, &optlen)
+ < 0) {
+ syslog(LOG_ERR, "Can't get rcv buf size: %s (%d)",
+ strerror(errno), errno);
+ goto error;
+ }
+
/* Get current options */
memset(&opts, 0, sizeof(opts));
optlen = sizeof(opts);
@@ -553,10 +586,11 @@ static void do_listen(void (*handler)(int sk))
ba2str(&addr.l2_bdaddr, ba);
syslog(LOG_INFO, "Connect from %s [imtu %d, omtu %d, "
"flush_to %d, mode %d, handle %d, "
- "class 0x%02x%02x%02x, priority %d]",
+ "class 0x%02x%02x%02x, priority %d, rcvbuf %d]",
ba, opts.imtu, opts.omtu, opts.flush_to,
opts.mode, conn.hci_handle, conn.dev_class[2],
- conn.dev_class[1], conn.dev_class[0], opt);
+ conn.dev_class[1], conn.dev_class[0], opt,
+ rcvbuf);
omtu = (opts.omtu > buffer_size) ? buffer_size : opts.omtu;
imtu = (opts.imtu > buffer_size) ? buffer_size : opts.imtu;
@@ -1144,6 +1178,7 @@ static void usage(void)
"\t[-Q num] Max Transmit value (default = 3)\n"
"\t[-Z size] Transmission Window size (default = 63)\n"
"\t[-Y priority] socket priority\n"
+ "\t[-H size] Maximum receive buffer size\n"
"\t[-R] reliable mode\n"
"\t[-G] use connectionless channel (datagram)\n"
"\t[-U] use sock stream\n"
@@ -1161,7 +1196,7 @@ int main(int argc, char *argv[])
bacpy(&bdaddr, BDADDR_ANY);
- while ((opt=getopt(argc,argv,"rdscuwmntqxyzpb:i:P:I:O:J:B:N:L:W:C:D:X:F:Q:Z:Y:RUGAESMT")) != EOF) {
+ while ((opt=getopt(argc,argv,"rdscuwmntqxyzpb:i:P:I:O:J:B:N:L:W:C:D:X:F:Q:Z:Y:H:RUGAESMT")) != EOF) {
switch(opt) {
case 'r':
mode = RECV;
@@ -1340,6 +1375,10 @@ int main(int argc, char *argv[])
cid = atoi(optarg);
break;
+ case 'H':
+ rcvbuf = atoi(optarg);
+ break;
+
default:
usage();
exit(1);
--
on behalf of ST-Ericsson
--
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