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| author | Marcel Holtmann <marcel@holtmann.org> | 2009-05-03 08:07:53 +0200 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2009-08-22 23:50:07 +0200 |
| commit | 65c7c4918450f8c4545ccb02a9c7a3d77e073535 (patch) | |
| tree | ceacb79cdf46b74bad8429dd06d32ba96f9c31f9 /net/bluetooth | |
| parent | Bluetooth: Allow setting of L2CAP ERTM via socket option (diff) | |
| download | linux-65c7c4918450f8c4545ccb02a9c7a3d77e073535.tar.xz linux-65c7c4918450f8c4545ccb02a9c7a3d77e073535.zip | |
Bluetooth: Add L2CAP RFC option if ERTM is enabled
When trying to establish a connection with Enhanced Retransmission mode
enabled, the RFC option needs to be added to the configuration.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net/bluetooth')
| -rw-r--r-- | net/bluetooth/l2cap.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c index 8a59e57d9df1..7ce1a24735c8 100644 --- a/net/bluetooth/l2cap.c +++ b/net/bluetooth/l2cap.c @@ -1743,12 +1743,29 @@ static int l2cap_build_conf_req(struct sock *sk, void *data) { struct l2cap_pinfo *pi = l2cap_pi(sk); struct l2cap_conf_req *req = data; + struct l2cap_conf_rfc rfc = { .mode = L2CAP_MODE_BASIC }; void *ptr = req->data; BT_DBG("sk %p", sk); - if (pi->imtu != L2CAP_DEFAULT_MTU) - l2cap_add_conf_opt(&ptr, L2CAP_CONF_MTU, 2, pi->imtu); + switch (pi->mode) { + case L2CAP_MODE_BASIC: + if (pi->imtu != L2CAP_DEFAULT_MTU) + l2cap_add_conf_opt(&ptr, L2CAP_CONF_MTU, 2, pi->imtu); + break; + + case L2CAP_MODE_ERTM: + rfc.mode = L2CAP_MODE_ERTM; + rfc.txwin_size = L2CAP_DEFAULT_RX_WINDOW; + rfc.max_transmit = L2CAP_DEFAULT_MAX_RECEIVE; + rfc.retrans_timeout = cpu_to_le16(L2CAP_DEFAULT_RETRANS_TO); + rfc.monitor_timeout = cpu_to_le16(L2CAP_DEFAULT_MONITOR_TO); + rfc.max_pdu_size = cpu_to_le16(L2CAP_DEFAULT_MAX_RX_APDU); + + l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC, + sizeof(rfc), (unsigned long) &rfc); + break; + } /* FIXME: Need actual value of the flush timeout */ //if (flush_to != L2CAP_DEFAULT_FLUSH_TO) @@ -1828,7 +1845,7 @@ static int l2cap_parse_conf_req(struct sock *sk, void *data) rfc.mode = L2CAP_MODE_BASIC; l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC, - sizeof(rfc), (unsigned long) &rfc); + sizeof(rfc), (unsigned long) &rfc); } } |