From: Andrei Emeltchenko <andrei.emeltchenko@xxxxxxxxx>
Decode fixed channels in information response
< ACL data: handle 1 flags 0x00 dlen 10
L2CAP(s): Info req: type 3
> ACL data: handle 1 flags 0x02 dlen 20
L2CAP(s): Info rsp: type 3 result 0
Fixed channel list 0x0000000a
L2CAP Signalling Channel
AMP Manager Protocol
---
parser/l2cap.c | 22 +++++++++++++++++++---
1 files changed, 19 insertions(+), 3 deletions(-)
diff --git a/parser/l2cap.c b/parser/l2cap.c
index 232b24d..9c21ad1 100644
--- a/parser/l2cap.c
+++ b/parser/l2cap.c
@@ -61,10 +61,12 @@ static cid_info cid_table[2][CID_TABLE_SIZE];
#define DCID cid_table[1]
/* Can we move this to l2cap.h? */
-static struct {
+struct features {
char *name;
int flag;
-} l2cap_features[] = {
+};
+
+static struct features l2cap_features[] = {
{ "Flow control mode", L2CAP_FEAT_FLOWCTL },
{ "Retransmission mode", L2CAP_FEAT_RETRANS },
{ "Bi-directional QoS", L2CAP_FEAT_BIDIR_QOS },
@@ -78,6 +80,13 @@ static struct {
{ 0 }
};
+static struct features l2cap_fix_chan[] = {
+ { "L2CAP Signalling Channel", L2CAP_FC_L2CAP },
+ { "L2CAP Connless", L2CAP_FC_CONNLESS },
+ { "AMP Manager Protocol", L2CAP_FC_A2MP },
+ { 0 }
+};
+
static struct frame *add_handle(uint16_t handle)
{
register handle_info *t = handle_table;
@@ -749,7 +758,14 @@ static void info_opt(int level, int type, void *ptr, int len)
}
break;
case 0x0003:
- printf("Fixed channel list\n");
+ mask = get_val(ptr, len);
+ printf("Fixed channel list 0x%8.8llx\n", mask);
+ if (parser.flags & DUMP_VERBOSE)
+ for (i=0; l2cap_fix_chan[i].name; i++)
+ if (mask & l2cap_fix_chan[i].flag) {
+ p_indent(level + 1, 0);
+ printf("%s\n", l2cap_fix_chan[i].name);
+ }
break;
default:
printf("Unknown (len %d)\n", len);
--
1.7.4.1
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