From 66af7aaf9edff55b7995bbe1ff508513666d0671 Mon Sep 17 00:00:00 2001 From: Andrei Emeltchenko Date: Mon, 7 Nov 2011 14:20:33 +0200 Subject: [PATCH] Bluetooth: EFS: parse L2CAP config response Add parsing Extended Flow Specification in L2CAP Config Response. Based upon haijun.liu series of patches (sent Sun, 22 Aug 2010) Signed-off-by: Andrei Emeltchenko Acked-by: Marcel Holtmann Signed-off-by: Gustavo F. Padovan --- net/bluetooth/l2cap_core.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index a50610b8a00..f8506849b67 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -2351,6 +2351,7 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len, voi int type, olen; unsigned long val; struct l2cap_conf_rfc rfc; + struct l2cap_conf_efs efs; BT_DBG("chan %p, rsp %p, len %d, req %p", chan, rsp, len, data); @@ -2393,6 +2394,19 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len, voi l2cap_add_conf_opt(&ptr, L2CAP_CONF_EWS, 2, chan->tx_win); break; + + case L2CAP_CONF_EFS: + if (olen == sizeof(efs)) + memcpy(&efs, (void *)val, olen); + + if (chan->local_stype != L2CAP_SERV_NOTRAFIC && + efs.stype != L2CAP_SERV_NOTRAFIC && + efs.stype != chan->local_stype) + return -ECONNREFUSED; + + l2cap_add_conf_opt(&ptr, L2CAP_CONF_EFS, + sizeof(efs), (unsigned long) &efs); + break; } } @@ -2407,7 +2421,17 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len, voi chan->retrans_timeout = le16_to_cpu(rfc.retrans_timeout); chan->monitor_timeout = le16_to_cpu(rfc.monitor_timeout); chan->mps = le16_to_cpu(rfc.max_pdu_size); + + if (test_bit(FLAG_EFS_ENABLE, &chan->flags)) { + chan->local_msdu = le16_to_cpu(efs.msdu); + chan->local_sdu_itime = + le32_to_cpu(efs.sdu_itime); + chan->local_acc_lat = le32_to_cpu(efs.acc_lat); + chan->local_flush_to = + le32_to_cpu(efs.flush_to); + } break; + case L2CAP_MODE_STREAMING: chan->mps = le16_to_cpu(rfc.max_pdu_size); } -- 2.46.0