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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>
This commit is contained in:
Marcel Holtmann 2009-05-02 19:09:01 -07:00
parent 52d18347df
commit 44dd46de32
1 changed files with 10 additions and 2 deletions
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12
net/bluetooth/l2cap.c
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@ -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);