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Bluetooth: Use separate L2CAP LE credit based connection result values

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Add the result values specific to L2CAP LE credit based connections
and change the old result values wherever they were used.

Signed-off-by: Mallikarjun Phulari <mallikarjun.phulari@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Mallikarjun Phulari 2018-10-05 14:48:12 +05:30 committed by Marcel Holtmann
parent 70ecdd3d8b
commit 571f739083
2 changed files with 24 additions and 19 deletions
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17
include/net/bluetooth/l2cap.h
View File

@ -277,12 +277,17 @@ struct l2cap_conn_rsp {
#define L2CAP_CR_SEC_BLOCK 0x0003
#define L2CAP_CR_NO_MEM 0x0004
#define L2CAP_CR_BAD_AMP 0x0005
#define L2CAP_CR_AUTHENTICATION 0x0005
#define L2CAP_CR_AUTHORIZATION 0x0006
#define L2CAP_CR_BAD_KEY_SIZE 0x0007
#define L2CAP_CR_ENCRYPTION 0x0008
#define L2CAP_CR_INVALID_SCID 0x0009
#define L2CAP_CR_SCID_IN_USE 0x000A
/* credit based connect results */
#define L2CAP_CR_LE_SUCCESS 0x0000
#define L2CAP_CR_LE_BAD_PSM 0x0002
#define L2CAP_CR_LE_NO_MEM 0x0004
#define L2CAP_CR_LE_AUTHENTICATION 0x0005
#define L2CAP_CR_LE_AUTHORIZATION 0x0006
#define L2CAP_CR_LE_BAD_KEY_SIZE 0x0007
#define L2CAP_CR_LE_ENCRYPTION 0x0008
#define L2CAP_CR_LE_INVALID_SCID 0x0009
#define L2CAP_CR_LE_SCID_IN_USE 0X000A
/* connect/create channel status */
#define L2CAP_CS_NO_INFO 0x0000

26
net/bluetooth/l2cap_core.c
View File

@ -680,9 +680,9 @@ static void l2cap_chan_le_connect_reject(struct l2cap_chan *chan)
u16 result;
if (test_bit(FLAG_DEFER_SETUP, &chan->flags))
result = L2CAP_CR_AUTHORIZATION;
result = L2CAP_CR_LE_AUTHORIZATION;
else
result = L2CAP_CR_BAD_PSM;
result = L2CAP_CR_LE_BAD_PSM;
l2cap_state_change(chan, BT_DISCONN);
@ -3670,7 +3670,7 @@ void __l2cap_le_connect_rsp_defer(struct l2cap_chan *chan)
rsp.mtu = cpu_to_le16(chan->imtu);
rsp.mps = cpu_to_le16(chan->mps);
rsp.credits = cpu_to_le16(chan->rx_credits);
rsp.result = cpu_to_le16(L2CAP_CR_SUCCESS);
rsp.result = cpu_to_le16(L2CAP_CR_LE_SUCCESS);
l2cap_send_cmd(conn, chan->ident, L2CAP_LE_CONN_RSP, sizeof(rsp),
&rsp);
@ -5280,7 +5280,7 @@ static int l2cap_le_connect_rsp(struct l2cap_conn *conn,
credits = __le16_to_cpu(rsp->credits);
result = __le16_to_cpu(rsp->result);
if (result == L2CAP_CR_SUCCESS && (mtu < 23 || mps < 23 ||
if (result == L2CAP_CR_LE_SUCCESS && (mtu < 23 || mps < 23 ||
dcid < L2CAP_CID_DYN_START ||
dcid > L2CAP_CID_LE_DYN_END))
return -EPROTO;
@ -5301,7 +5301,7 @@ static int l2cap_le_connect_rsp(struct l2cap_conn *conn,
l2cap_chan_lock(chan);
switch (result) {
case L2CAP_CR_SUCCESS:
case L2CAP_CR_LE_SUCCESS:
if (__l2cap_get_chan_by_dcid(conn, dcid)) {
err = -EBADSLT;
break;
@ -5315,8 +5315,8 @@ static int l2cap_le_connect_rsp(struct l2cap_conn *conn,
l2cap_chan_ready(chan);
break;
case L2CAP_CR_AUTHENTICATION:
case L2CAP_CR_ENCRYPTION:
case L2CAP_CR_LE_AUTHENTICATION:
case L2CAP_CR_LE_ENCRYPTION:
/* If we already have MITM protection we can't do
* anything.
*/
@ -5459,7 +5459,7 @@ static int l2cap_le_connect_req(struct l2cap_conn *conn,
pchan = l2cap_global_chan_by_psm(BT_LISTEN, psm, &conn->hcon->src,
&conn->hcon->dst, LE_LINK);
if (!pchan) {
result = L2CAP_CR_BAD_PSM;
result = L2CAP_CR_LE_BAD_PSM;
chan = NULL;
goto response;
}
@ -5469,28 +5469,28 @@ static int l2cap_le_connect_req(struct l2cap_conn *conn,
if (!smp_sufficient_security(conn->hcon, pchan->sec_level,
SMP_ALLOW_STK)) {
result = L2CAP_CR_AUTHENTICATION;
result = L2CAP_CR_LE_AUTHENTICATION;
chan = NULL;
goto response_unlock;
}
/* Check for valid dynamic CID range */
if (scid < L2CAP_CID_DYN_START || scid > L2CAP_CID_LE_DYN_END) {
result = L2CAP_CR_INVALID_SCID;
result = L2CAP_CR_LE_INVALID_SCID;
chan = NULL;
goto response_unlock;
}
/* Check if we already have channel with that dcid */
if (__l2cap_get_chan_by_dcid(conn, scid)) {
result = L2CAP_CR_SCID_IN_USE;
result = L2CAP_CR_LE_SCID_IN_USE;
chan = NULL;
goto response_unlock;
}
chan = pchan->ops->new_connection(pchan);
if (!chan) {
result = L2CAP_CR_NO_MEM;
result = L2CAP_CR_LE_NO_MEM;
goto response_unlock;
}
@ -5526,7 +5526,7 @@ static int l2cap_le_connect_req(struct l2cap_conn *conn,
chan->ops->defer(chan);
} else {
l2cap_chan_ready(chan);
result = L2CAP_CR_SUCCESS;
result = L2CAP_CR_LE_SUCCESS;
}
response_unlock: