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authorMarcel Holtmann <marcel@holtmann.org>2009-05-02 19:09:01 -0700
committerMarcel Holtmann <marcel@holtmann.org>2009-08-22 14:50:07 -0700
commit44dd46de325c4d47abfd1361e5d84a548edb8e42 (patch)
treecd23feb79ecee0eed27abbd4078bfcc80896194c /net/bluetooth
parent52d18347dfb61519aa0f58fe1759edd3ad8c4e36 (diff)
downloadlinux-44dd46de325c4d47abfd1361e5d84a548edb8e42.tar.bz2
Bluetooth: Add module option to enable L2CAP ERTM support
Since the Enhanced Retransmission mode for L2CAP is still under heavy development disable it by default and provide a module option to enable it manually for testing. Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net/bluetooth')
-rw-r--r--net/bluetooth/l2cap.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index bd0a4c1bced0..810a3c1a4188 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -50,7 +50,9 @@
#include <net/bluetooth/hci_core.h>
#include <net/bluetooth/l2cap.h>
-#define VERSION "2.13"
+#define VERSION "2.14"
+
+static int enable_ertm = 0;
static u32 l2cap_feat_mask = L2CAP_FEAT_FIXED_CHAN;
static u8 l2cap_fixed_chan[8] = { 0x02, };
@@ -2205,10 +2207,13 @@ static inline int l2cap_information_req(struct l2cap_conn *conn, struct l2cap_cm
if (type == L2CAP_IT_FEAT_MASK) {
u8 buf[8];
+ u32 feat_mask = l2cap_feat_mask;
struct l2cap_info_rsp *rsp = (struct l2cap_info_rsp *) buf;
rsp->type = cpu_to_le16(L2CAP_IT_FEAT_MASK);
rsp->result = cpu_to_le16(L2CAP_IR_SUCCESS);
- put_unaligned(cpu_to_le32(l2cap_feat_mask), (__le32 *) rsp->data);
+ if (enable_ertm)
+ feat_mask |= L2CAP_FEAT_ERTM;
+ put_unaligned(cpu_to_le32(feat_mask), (__le32 *) rsp->data);
l2cap_send_cmd(conn, cmd->ident,
L2CAP_INFO_RSP, sizeof(buf), buf);
} else if (type == L2CAP_IT_FIXED_CHAN) {
@@ -2828,6 +2833,9 @@ EXPORT_SYMBOL(l2cap_load);
module_init(l2cap_init);
module_exit(l2cap_exit);
+module_param(enable_ertm, bool, 0644);
+MODULE_PARM_DESC(enable_ertm, "Enable enhanced retransmission mode");
+
MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
MODULE_DESCRIPTION("Bluetooth L2CAP ver " VERSION);
MODULE_VERSION(VERSION);