diff options
Diffstat (limited to 'net/bluetooth')
-rw-r--r-- | net/bluetooth/Kconfig | 2 | ||||
-rw-r--r-- | net/bluetooth/Makefile | 2 | ||||
-rw-r--r-- | net/bluetooth/a2mp.c | 459 | ||||
-rw-r--r-- | net/bluetooth/af_bluetooth.c | 10 | ||||
-rw-r--r-- | net/bluetooth/amp.c | 471 | ||||
-rw-r--r-- | net/bluetooth/bnep/core.c | 3 | ||||
-rw-r--r-- | net/bluetooth/bnep/netdev.c | 1 | ||||
-rw-r--r-- | net/bluetooth/cmtp/capi.c | 2 | ||||
-rw-r--r-- | net/bluetooth/cmtp/core.c | 2 | ||||
-rw-r--r-- | net/bluetooth/cmtp/sock.c | 2 | ||||
-rw-r--r-- | net/bluetooth/hci_conn.c | 76 | ||||
-rw-r--r-- | net/bluetooth/hci_core.c | 237 | ||||
-rw-r--r-- | net/bluetooth/hci_event.c | 562 | ||||
-rw-r--r-- | net/bluetooth/hci_sysfs.c | 10 | ||||
-rw-r--r-- | net/bluetooth/hidp/core.c | 8 | ||||
-rw-r--r-- | net/bluetooth/l2cap_core.c | 1577 | ||||
-rw-r--r-- | net/bluetooth/l2cap_sock.c | 94 | ||||
-rw-r--r-- | net/bluetooth/lib.c | 14 | ||||
-rw-r--r-- | net/bluetooth/mgmt.c | 117 | ||||
-rw-r--r-- | net/bluetooth/rfcomm/core.c | 19 | ||||
-rw-r--r-- | net/bluetooth/rfcomm/sock.c | 13 | ||||
-rw-r--r-- | net/bluetooth/rfcomm/tty.c | 6 | ||||
-rw-r--r-- | net/bluetooth/sco.c | 98 | ||||
-rw-r--r-- | net/bluetooth/smp.c | 4 |
24 files changed, 3189 insertions, 600 deletions
diff --git a/net/bluetooth/Kconfig b/net/bluetooth/Kconfig index 3537d385035..d3f3f7b1d32 100644 --- a/net/bluetooth/Kconfig +++ b/net/bluetooth/Kconfig @@ -11,6 +11,7 @@ menuconfig BT select CRYPTO_BLKCIPHER select CRYPTO_AES select CRYPTO_ECB + select CRYPTO_SHA256 help Bluetooth is low-cost, low-power, short-range wireless technology. It was designed as a replacement for cables and other short-range @@ -47,4 +48,3 @@ source "net/bluetooth/cmtp/Kconfig" source "net/bluetooth/hidp/Kconfig" source "drivers/bluetooth/Kconfig" - diff --git a/net/bluetooth/Makefile b/net/bluetooth/Makefile index fa6d94a4602..dea6a287dac 100644 --- a/net/bluetooth/Makefile +++ b/net/bluetooth/Makefile @@ -10,4 +10,4 @@ obj-$(CONFIG_BT_HIDP) += hidp/ bluetooth-y := af_bluetooth.o hci_core.o hci_conn.o hci_event.o mgmt.o \ hci_sock.o hci_sysfs.o l2cap_core.o l2cap_sock.o smp.o sco.o lib.o \ - a2mp.o + a2mp.o amp.o diff --git a/net/bluetooth/a2mp.c b/net/bluetooth/a2mp.c index 0760d1fed6f..2f67d5ecc90 100644 --- a/net/bluetooth/a2mp.c +++ b/net/bluetooth/a2mp.c @@ -16,6 +16,11 @@ #include <net/bluetooth/hci_core.h> #include <net/bluetooth/l2cap.h> #include <net/bluetooth/a2mp.h> +#include <net/bluetooth/amp.h> + +/* Global AMP Manager list */ +LIST_HEAD(amp_mgr_list); +DEFINE_MUTEX(amp_mgr_list_lock); /* A2MP build & send command helper functions */ static struct a2mp_cmd *__a2mp_build(u8 code, u8 ident, u16 len, void *data) @@ -37,8 +42,7 @@ static struct a2mp_cmd *__a2mp_build(u8 code, u8 ident, u16 len, void *data) return cmd; } -static void a2mp_send(struct amp_mgr *mgr, u8 code, u8 ident, u16 len, - void *data) +void a2mp_send(struct amp_mgr *mgr, u8 code, u8 ident, u16 len, void *data) { struct l2cap_chan *chan = mgr->a2mp_chan; struct a2mp_cmd *cmd; @@ -63,6 +67,14 @@ static void a2mp_send(struct amp_mgr *mgr, u8 code, u8 ident, u16 len, kfree(cmd); } +u8 __next_ident(struct amp_mgr *mgr) +{ + if (++mgr->ident == 0) + mgr->ident = 1; + + return mgr->ident; +} + static inline void __a2mp_cl_bredr(struct a2mp_cl *cl) { cl->id = 0; @@ -161,6 +173,83 @@ static int a2mp_discover_req(struct amp_mgr *mgr, struct sk_buff *skb, return 0; } +static int a2mp_discover_rsp(struct amp_mgr *mgr, struct sk_buff *skb, + struct a2mp_cmd *hdr) +{ + struct a2mp_discov_rsp *rsp = (void *) skb->data; + u16 len = le16_to_cpu(hdr->len); + struct a2mp_cl *cl; + u16 ext_feat; + bool found = false; + + if (len < sizeof(*rsp)) + return -EINVAL; + + len -= sizeof(*rsp); + skb_pull(skb, sizeof(*rsp)); + + ext_feat = le16_to_cpu(rsp->ext_feat); + + BT_DBG("mtu %d efm 0x%4.4x", le16_to_cpu(rsp->mtu), ext_feat); + + /* check that packet is not broken for now */ + while (ext_feat & A2MP_FEAT_EXT) { + if (len < sizeof(ext_feat)) + return -EINVAL; + + ext_feat = get_unaligned_le16(skb->data); + BT_DBG("efm 0x%4.4x", ext_feat); + len -= sizeof(ext_feat); + skb_pull(skb, sizeof(ext_feat)); + } + + cl = (void *) skb->data; + while (len >= sizeof(*cl)) { + BT_DBG("Remote AMP id %d type %d status %d", cl->id, cl->type, + cl->status); + + if (cl->id != HCI_BREDR_ID && cl->type == HCI_AMP) { + struct a2mp_info_req req; + + found = true; + req.id = cl->id; + a2mp_send(mgr, A2MP_GETINFO_REQ, __next_ident(mgr), + sizeof(req), &req); + } + + len -= sizeof(*cl); + cl = (void *) skb_pull(skb, sizeof(*cl)); + } + + /* Fall back to L2CAP init sequence */ + if (!found) { + struct l2cap_conn *conn = mgr->l2cap_conn; + struct l2cap_chan *chan; + + mutex_lock(&conn->chan_lock); + + list_for_each_entry(chan, &conn->chan_l, list) { + + BT_DBG("chan %p state %s", chan, + state_to_string(chan->state)); + + if (chan->chan_type == L2CAP_CHAN_CONN_FIX_A2MP) + continue; + + l2cap_chan_lock(chan); + + if (chan->state == BT_CONNECT) + l2cap_send_conn_req(chan); + + l2cap_chan_unlock(chan); + } + + mutex_unlock(&conn->chan_lock); + } + + return 0; +} + static int a2mp_change_notify(struct amp_mgr *mgr, struct sk_buff *skb, struct a2mp_cmd *hdr) { @@ -181,7 +270,6 @@ static int a2mp_getinfo_req(struct amp_mgr *mgr, struct sk_buff *skb, struct a2mp_cmd *hdr) { struct a2mp_info_req *req = (void *) skb->data; - struct a2mp_info_rsp rsp; struct hci_dev *hdev; if (le16_to_cpu(hdr->len) < sizeof(*req)) @@ -189,53 +277,93 @@ static int a2mp_getinfo_req(struct amp_mgr *mgr, struct sk_buff *skb, BT_DBG("id %d", req->id); - rsp.id = req->id; - rsp.status = A2MP_STATUS_INVALID_CTRL_ID; - hdev = hci_dev_get(req->id); - if (hdev && hdev->amp_type != HCI_BREDR) { - rsp.status = 0; - rsp.total_bw = cpu_to_le32(hdev->amp_total_bw); - rsp.max_bw = cpu_to_le32(hdev->amp_max_bw); - rsp.min_latency = cpu_to_le32(hdev->amp_min_latency); - rsp.pal_cap = cpu_to_le16(hdev->amp_pal_cap); - rsp.assoc_size = cpu_to_le16(hdev->amp_assoc_size); + if (!hdev || hdev->dev_type != HCI_AMP) { + struct a2mp_info_rsp rsp; + + rsp.id = req->id; + rsp.status = A2MP_STATUS_INVALID_CTRL_ID; + + a2mp_send(mgr, A2MP_GETINFO_RSP, hdr->ident, sizeof(rsp), + &rsp); + + goto done; } + mgr->state = READ_LOC_AMP_INFO; + hci_send_cmd(hdev, HCI_OP_READ_LOCAL_AMP_INFO, 0, NULL); + +done: if (hdev) hci_dev_put(hdev); - a2mp_send(mgr, A2MP_GETINFO_RSP, hdr->ident, sizeof(rsp), &rsp); - skb_pull(skb, sizeof(*req)); return 0; } +static int a2mp_getinfo_rsp(struct amp_mgr *mgr, struct sk_buff *skb, + struct a2mp_cmd *hdr) +{ + struct a2mp_info_rsp *rsp = (struct a2mp_info_rsp *) skb->data; + struct a2mp_amp_assoc_req req; + struct amp_ctrl *ctrl; + + if (le16_to_cpu(hdr->len) < sizeof(*rsp)) + return -EINVAL; + + BT_DBG("id %d status 0x%2.2x", rsp->id, rsp->status); + + if (rsp->status) + return -EINVAL; + + ctrl = amp_ctrl_add(mgr, rsp->id); + if (!ctrl) + return -ENOMEM; + + req.id = rsp->id; + a2mp_send(mgr, A2MP_GETAMPASSOC_REQ, __next_ident(mgr), sizeof(req), + &req); + + skb_pull(skb, sizeof(*rsp)); + return 0; +} + static int a2mp_getampassoc_req(struct amp_mgr *mgr, struct sk_buff *skb, struct a2mp_cmd *hdr) { struct a2mp_amp_assoc_req *req = (void *) skb->data; struct hci_dev *hdev; + struct amp_mgr *tmp; if (le16_to_cpu(hdr->len) < sizeof(*req)) return -EINVAL; BT_DBG("id %d", req->id); + /* Make sure that other request is not processed */ + tmp = amp_mgr_lookup_by_state(READ_LOC_AMP_ASSOC); + hdev = hci_dev_get(req->id); - if (!hdev || hdev->amp_type == HCI_BREDR) { + if (!hdev || hdev->amp_type == HCI_BREDR || tmp) { struct a2mp_amp_assoc_rsp rsp; rsp.id = req->id; - rsp.status = A2MP_STATUS_INVALID_CTRL_ID; + + if (tmp) { + rsp.status = A2MP_STATUS_COLLISION_OCCURED; + amp_mgr_put(tmp); + } else { + rsp.status = A2MP_STATUS_INVALID_CTRL_ID; + } a2mp_send(mgr, A2MP_GETAMPASSOC_RSP, hdr->ident, sizeof(rsp), &rsp); - goto clean; + + goto done; } - /* Placeholder for HCI Read AMP Assoc */ + amp_read_loc_assoc(hdev, mgr); -clean: +done: if (hdev) hci_dev_put(hdev); @@ -243,6 +371,68 @@ clean: return 0; } +static int a2mp_getampassoc_rsp(struct amp_mgr *mgr, struct sk_buff *skb, + struct a2mp_cmd *hdr) +{ + struct a2mp_amp_assoc_rsp *rsp = (void *) skb->data; + u16 len = le16_to_cpu(hdr->len); + struct hci_dev *hdev; + struct amp_ctrl *ctrl; + struct hci_conn *hcon; + size_t assoc_len; + + if (len < sizeof(*rsp)) + return -EINVAL; + + assoc_len = len - sizeof(*rsp); + + BT_DBG("id %d status 0x%2.2x assoc len %zu", rsp->id, rsp->status, + assoc_len); + + if (rsp->status) + return -EINVAL; + + /* Save remote ASSOC data */ + ctrl = amp_ctrl_lookup(mgr, rsp->id); + if (ctrl) { + u8 *assoc; + + assoc = kzalloc(assoc_len, GFP_KERNEL); + if (!assoc) { + amp_ctrl_put(ctrl); + return -ENOMEM; + } + + memcpy(assoc, rsp->amp_assoc, assoc_len); + ctrl->assoc = assoc; + ctrl->assoc_len = assoc_len; + ctrl->assoc_rem_len = assoc_len; + ctrl->assoc_len_so_far = 0; + + amp_ctrl_put(ctrl); + } + + /* Create Phys Link */ + hdev = hci_dev_get(rsp->id); + if (!hdev) + return -EINVAL; + + hcon = phylink_add(hdev, mgr, rsp->id, true); + if (!hcon) + goto done; + + BT_DBG("Created hcon %p: loc:%d -> rem:%d", hcon, hdev->id, rsp->id); + + mgr->bredr_chan->remote_amp_id = rsp->id; + + amp_create_phylink(hdev, mgr, hcon); + +done: + hci_dev_put(hdev); + skb_pull(skb, len); + return 0; +} + static int a2mp_createphyslink_req(struct amp_mgr *mgr, struct sk_buff *skb, struct a2mp_cmd *hdr) { @@ -250,6 +440,8 @@ static int a2mp_createphyslink_req(struct amp_mgr *mgr, struct sk_buff *skb, struct a2mp_physlink_rsp rsp; struct hci_dev *hdev; + struct hci_conn *hcon; + struct amp_ctrl *ctrl; if (le16_to_cpu(hdr->len) < sizeof(*req)) return -EINVAL; @@ -265,9 +457,43 @@ static int a2mp_createphyslink_req(struct amp_mgr *mgr, struct sk_buff *skb, goto send_rsp; } - /* TODO process physlink create */ + ctrl = amp_ctrl_lookup(mgr, rsp.remote_id); + if (!ctrl) { + ctrl = amp_ctrl_add(mgr, rsp.remote_id); + if (ctrl) { + amp_ctrl_get(ctrl); + } else { + rsp.status = A2MP_STATUS_UNABLE_START_LINK_CREATION; + goto send_rsp; + } + } - rsp.status = A2MP_STATUS_SUCCESS; + if (ctrl) { + size_t assoc_len = le16_to_cpu(hdr->len) - sizeof(*req); + u8 *assoc; + + assoc = kzalloc(assoc_len, GFP_KERNEL); + if (!assoc) { + amp_ctrl_put(ctrl); + return -ENOMEM; + } + + memcpy(assoc, req->amp_assoc, assoc_len); + ctrl->assoc = assoc; + ctrl->assoc_len = assoc_len; + ctrl->assoc_rem_len = assoc_len; + ctrl->assoc_len_so_far = 0; + + amp_ctrl_put(ctrl); + } + + hcon = phylink_add(hdev, mgr, req->local_id, false); + if (hcon) { + amp_accept_phylink(hdev, mgr, hcon); + rsp.status = A2MP_STATUS_SUCCESS; + } else { + rsp.status = A2MP_STATUS_UNABLE_START_LINK_CREATION; + } send_rsp: if (hdev) @@ -286,6 +512,7 @@ static int a2mp_discphyslink_req(struct amp_mgr *mgr, struct sk_buff *skb, struct a2mp_physlink_req *req = (void *) skb->data; struct a2mp_physlink_rsp rsp; struct hci_dev *hdev; + struct hci_conn *hcon; if (le16_to_cpu(hdr->len) < sizeof(*req)) return -EINVAL; @@ -296,14 +523,22 @@ static int a2mp_discphyslink_req(struct amp_mgr *mgr, struct sk_buff *skb, rsp.remote_id = req->local_id; rsp.status = A2MP_STATUS_SUCCESS; - hdev = hci_dev_get(req->local_id); + hdev = hci_dev_get(req->remote_id); if (!hdev) { rsp.status = A2MP_STATUS_INVALID_CTRL_ID; goto send_rsp; } + hcon = hci_conn_hash_lookup_ba(hdev, AMP_LINK, mgr->l2cap_conn->dst); + if (!hcon) { + BT_ERR("No phys link exist"); + rsp.status = A2MP_STATUS_NO_PHYSICAL_LINK_EXISTS; + goto clean; + } + /* TODO Disconnect Phys Link here */ +clean: hci_dev_put(hdev); send_rsp: @@ -377,10 +612,19 @@ static int a2mp_chan_recv_cb(struct l2cap_chan *chan, struct sk_buff *skb) err = a2mp_discphyslink_req(mgr, skb, hdr); break; - case A2MP_CHANGE_RSP: case A2MP_DISCOVER_RSP: + err = a2mp_discover_rsp(mgr, skb, hdr); + break; + case A2MP_GETINFO_RSP: + err = a2mp_getinfo_rsp(mgr, skb, hdr); + break; + case A2MP_GETAMPASSOC_RSP: + err = a2mp_getampassoc_rsp(mgr, skb, hdr); + break; + + case A2MP_CHANGE_RSP: case A2MP_CREATEPHYSLINK_RSP: case A2MP_DISCONNPHYSLINK_RSP: err = a2mp_cmd_rsp(mgr, skb, hdr); @@ -455,9 +699,10 @@ static struct l2cap_ops a2mp_chan_ops = { .new_connection = l2cap_chan_no_new_connection, .teardown = l2cap_chan_no_teardown, .ready = l2cap_chan_no_ready, + .defer = l2cap_chan_no_defer, }; -static struct l2cap_chan *a2mp_chan_open(struct l2cap_conn *conn) +static struct l2cap_chan *a2mp_chan_open(struct l2cap_conn *conn, bool locked) { struct l2cap_chan *chan; int err; @@ -492,7 +737,10 @@ static struct l2cap_chan *a2mp_chan_open(struct l2cap_conn *conn) chan->conf_state = 0; - l2cap_chan_add(conn, chan); + if (locked) + __l2cap_chan_add(conn, chan); + else + l2cap_chan_add(conn, chan); chan->remote_mps = chan->omtu; chan->mps = chan->omtu; @@ -503,11 +751,13 @@ static struct l2cap_chan *a2mp_chan_open(struct l2cap_conn *conn) } /* AMP Manager functions */ -void amp_mgr_get(struct amp_mgr *mgr) +struct amp_mgr *amp_mgr_get(struct amp_mgr *mgr) { BT_DBG("mgr %p orig refcnt %d", mgr, atomic_read(&mgr->kref.refcount)); kref_get(&mgr->kref); + + return mgr; } static void amp_mgr_destroy(struct kref *kref) @@ -516,6 +766,11 @@ static void amp_mgr_destroy(struct kref *kref) BT_DBG("mgr %p", mgr); + mutex_lock(&_mgr_list_lock); + list_del(&mgr->list); + mutex_unlock(&_mgr_list_lock); + + amp_ctrl_list_flush(mgr); kfree(mgr); } @@ -526,7 +781,7 @@ int amp_mgr_put(struct amp_mgr *mgr) return kref_put(&mgr->kref, &_mgr_destroy); } -static struct amp_mgr *amp_mgr_create(struct l2cap_conn *conn) +static struct amp_mgr *amp_mgr_create(struct l2cap_conn *conn, bool locked) { struct amp_mgr *mgr; struct l2cap_chan *chan; @@ -539,7 +794,7 @@ static struct amp_mgr *amp_mgr_create(struct l2cap_conn *conn) mgr->l2cap_conn = conn; - chan = a2mp_chan_open(conn); + chan = a2mp_chan_open(conn, locked); if (!chan) { kfree(mgr); return NULL; @@ -552,6 +807,14 @@ static struct amp_mgr *amp_mgr_create(struct l2cap_conn *conn) kref_init(&mgr->kref); + /* Remote AMP ctrl list initialization */ + INIT_LIST_HEAD(&mgr->amp_ctrls); + mutex_init(&mgr->amp_ctrls_lock); + + mutex_lock(&_mgr_list_lock); + list_add(&mgr->list, &_mgr_list); + mutex_unlock(&_mgr_list_lock); + return mgr; } @@ -560,7 +823,7 @@ struct l2cap_chan *a2mp_channel_create(struct l2cap_conn *conn, { struct amp_mgr *mgr; - mgr = amp_mgr_create(conn); + mgr = amp_mgr_create(conn, false); if (!mgr) { BT_ERR("Could not create AMP manager"); return NULL; @@ -570,3 +833,139 @@ struct l2cap_chan *a2mp_channel_create(struct l2cap_conn *conn, return mgr->a2mp_chan; } + +struct amp_mgr *amp_mgr_lookup_by_state(u8 state) +{ + struct amp_mgr *mgr; + + mutex_lock(&_mgr_list_lock); + list_for_each_entry(mgr, &_mgr_list, list) { + if (mgr->state == state) { + amp_mgr_get(mgr); + mutex_unlock(&_mgr_list_lock); + return mgr; + } + } + mutex_unlock(&_mgr_list_lock); + + return NULL; +} + +void a2mp_send_getinfo_rsp(struct hci_dev *hdev) +{ + struct amp_mgr *mgr; + struct a2mp_info_rsp rsp; + + mgr = amp_mgr_lookup_by_state(READ_LOC_AMP_INFO); + if (!mgr) + return; + + BT_DBG("%s mgr %p", hdev->name, mgr); + + rsp.id = hdev->id; + rsp.status = A2MP_STATUS_INVALID_CTRL_ID; + + if (hdev->amp_type != HCI_BREDR) { + rsp.status = 0; + rsp.total_bw = cpu_to_le32(hdev->amp_total_bw); + rsp.max_bw = cpu_to_le32(hdev->amp_max_bw); + rsp.min_latency = cpu_to_le32(hdev->amp_min_latency); + rsp.pal_cap = cpu_to_le16(hdev->amp_pal_cap); + rsp.assoc_size = cpu_to_le16(hdev->amp_assoc_size); + } + + a2mp_send(mgr, A2MP_GETINFO_RSP, mgr->ident, sizeof(rsp), &rsp); + amp_mgr_put(mgr); +} + +void a2mp_send_getampassoc_rsp(struct hci_dev *hdev, u8 status) +{ + struct amp_mgr *mgr; + struct amp_assoc *loc_assoc = &hdev->loc_assoc; + struct a2mp_amp_assoc_rsp *rsp; + size_t len; + + mgr = amp_mgr_lookup_by_state(READ_LOC_AMP_ASSOC); + if (!mgr) + return; + + BT_DBG("%s mgr %p", hdev->name, mgr); + + len = sizeof(struct a2mp_amp_assoc_rsp) + loc_assoc->len; + rsp = kzalloc(len, GFP_KERNEL); + if (!rsp) { + amp_mgr_put(mgr); + return; + } + + rsp->id = hdev->id; + + if (status) { + rsp->status = A2MP_STATUS_INVALID_CTRL_ID; + } else { + rsp->status = A2MP_STATUS_SUCCESS; + memcpy(rsp->amp_assoc, loc_assoc->data, loc_assoc->len); + } + + a2mp_send(mgr, A2MP_GETAMPASSOC_RSP, mgr->ident, len, rsp); + amp_mgr_put(mgr); + kfree(rsp); +} + +void a2mp_send_create_phy_link_req(struct hci_dev *hdev, u8 status) +{ + struct amp_mgr *mgr; + struct amp_assoc *loc_assoc = &hdev->loc_assoc; + struct a2mp_physlink_req *req; + struct l2cap_chan *bredr_chan; + size_t len; + + mgr = amp_mgr_lookup_by_state(READ_LOC_AMP_ASSOC_FINAL); + if (!mgr) + return; + + len = sizeof(*req) + loc_assoc->len; + + BT_DBG("%s mgr %p assoc_len %zu", hdev->name, mgr, len); + + req = kzalloc(len, GFP_KERNEL); + if (!req) { + amp_mgr_put(mgr); + return; + } + + bredr_chan = mgr->bredr_chan; + if (!bredr_chan) + goto clean; + + req->local_id = hdev->id; + req->remote_id = bredr_chan->remote_amp_id; + memcpy(req->amp_assoc, loc_assoc->data, loc_assoc->len); + + a2mp_send(mgr, A2MP_CREATEPHYSLINK_REQ, __next_ident(mgr), len, req); + +clean: + amp_mgr_put(mgr); + kfree(req); +} + +void a2mp_discover_amp(struct l2cap_chan *chan) +{ + struct l2cap_conn *conn = chan->conn; + struct amp_mgr *mgr = conn->hcon->amp_mgr; + struct a2mp_discov_req req; + + BT_DBG("chan %p conn %p mgr %p", chan, conn, mgr); + + if (!mgr) { + mgr = amp_mgr_create(conn, true); + if (!mgr) + return; + } + + mgr->bredr_chan = chan; + + req.mtu = cpu_to_le16(L2CAP_A2MP_DEFAULT_MTU); + req.ext_feat = 0; + a2mp_send(mgr, A2MP_DISCOVER_REQ, 1, sizeof(req), &req); +} diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c index ba033f09196..5355df63d39 100644 --- a/net/bluetooth/af_bluetooth.c +++ b/net/bluetooth/af_bluetooth.c @@ -569,7 +569,6 @@ static int bt_seq_show(struct seq_file *seq, void *v) { struct bt_seq_state *s = seq->private; struct bt_sock_list *l = s->l; - bdaddr_t src_baswapped, dst_baswapped; if (v == SEQ_START_TOKEN) { seq_puts(seq ,"sk RefCnt Rmem Wmem User Inode Src Dst Parent"); @@ -583,18 +582,17 @@ static int bt_seq_show(struct seq_file *seq, void *v) } else { struct sock *sk = sk_entry(v); struct bt_sock *bt = bt_sk(sk); - baswap(&src_baswapped, &bt->src); - baswap(&dst_baswapped, &bt->dst); - seq_printf(seq, "%pK %-6d %-6u %-6u %-6u %-6lu %pM %pM %-6lu", + seq_printf(seq, + "%pK %-6d %-6u %-6u %-6u %-6lu %pMR %pMR %-6lu", sk, atomic_read(&sk->sk_refcnt), sk_rmem_alloc_get(sk), sk_wmem_alloc_get(sk), from_kuid(seq_user_ns(seq), sock_i_uid(sk)), sock_i_ino(sk), - &src_baswapped, - &dst_baswapped, + &bt->src, + &bt->dst, bt->parent? sock_i_ino(bt->parent): 0LU); if (l->custom_seq_show) { diff --git a/net/bluetooth/amp.c b/net/bluetooth/amp.c new file mode 100644 index 00000000000..1b0d92c0643 --- /dev/null +++ b/net/bluetooth/amp.c @@ -0,0 +1,471 @@ +/* + Copyright (c) 2011,2012 Intel Corp. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License version 2 and + only version 2 as published by the Free Software Foundation. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. +*/ + +#include <net/bluetooth/bluetooth.h> +#include <net/bluetooth/hci.h> +#include <net/bluetooth/hci_core.h> +#include <net/bluetooth/a2mp.h> +#include <net/bluetooth/amp.h> +#include <crypto/hash.h> + +/* Remote AMP Controllers interface */ +void amp_ctrl_get(struct amp_ctrl *ctrl) +{ + BT_DBG("ctrl %p orig refcnt %d", ctrl, + atomic_read(&ctrl->kref.refcount)); + + kref_get(&ctrl->kref); +} + +static void amp_ctrl_destroy(struct kref *kref) +{ + struct amp_ctrl *ctrl = container_of(kref, struct amp_ctrl, kref); + + BT_DBG("ctrl %p", ctrl); + + kfree(ctrl->assoc); + kfree(ctrl); +} + +int amp_ctrl_put(struct amp_ctrl *ctrl) +{ + BT_DBG("ctrl %p orig refcnt %d", ctrl, + atomic_read(&ctrl->kref.refcount)); + + return kref_put(&ctrl->kref, &_ctrl_destroy); +} + +struct amp_ctrl *amp_ctrl_add(struct amp_mgr *mgr, u8 id) +{ + struct amp_ctrl *ctrl; + + ctrl = kzalloc(sizeof(*ctrl), GFP_KERNEL); + if (!ctrl) + return NULL; + + kref_init(&ctrl->kref); + ctrl->id = id; + + mutex_lock(&mgr->amp_ctrls_lock); + list_add(&ctrl->list, &mgr->amp_ctrls); + mutex_unlock(&mgr->amp_ctrls_lock); + + BT_DBG("mgr %p ctrl %p", mgr, ctrl); + + return ctrl; +} + +void amp_ctrl_list_flush(struct amp_mgr *mgr) +{ + struct amp_ctrl *ctrl, *n; + + BT_DBG("mgr %p", mgr); + + mutex_lock(&mgr->amp_ctrls_lock); + list_for_each_entry_safe(ctrl, n, &mgr->amp_ctrls, list) { + list_del(&ctrl->list); + amp_ctrl_put(ctrl); + } + mutex_unlock(&mgr->amp_ctrls_lock); +} + +struct amp_ctrl *amp_ctrl_lookup(struct amp_mgr *mgr, u8 id) +{ + struct amp_ctrl *ctrl; + + BT_DBG("mgr %p id %d", mgr, id); + + mutex_lock(&mgr->amp_ctrls_lock); + list_for_each_entry(ctrl, &mgr->amp_ctrls, list) { + if (ctrl->id == id) { + amp_ctrl_get(ctrl); + mutex_unlock(&mgr->amp_ctrls_lock); + return ctrl; + } + } + mutex_unlock(&mgr->amp_ctrls_lock); + + return NULL; +} + +/* Physical Link interface */ +static u8 __next_handle(struct amp_mgr *mgr) +{ + if (++mgr->handle == 0) + mgr->handle = 1; + + return mgr->handle; +} + +struct hci_conn *phylink_add(struct hci_dev *hdev, struct amp_mgr *mgr, + u8 remote_id, bool out) +{ + bdaddr_t *dst = mgr->l2cap_conn->dst; + struct hci_conn *hcon; + + hcon = hci_conn_add(hdev, AMP_LINK, dst); + if (!hcon) + return NULL; + + BT_DBG("hcon %p dst %pMR", hcon, dst); + + hcon->state = BT_CONNECT; + hcon->attempt++; + hcon->handle = __next_handle(mgr); + hcon->remote_id = remote_id; + hcon->amp_mgr = amp_mgr_get(mgr); + hcon->out = out; + + return hcon; +} + +/* AMP crypto key generation interface */ +static int hmac_sha256(u8 *key, u8 ksize, char *plaintext, u8 psize, u8 *output) +{ + int ret = 0; + struct crypto_shash *tfm; + + if (!ksize) + return -EINVAL; + + tfm = crypto_alloc_shash("hmac(sha256)", 0, 0); + if (IS_ERR(tfm)) { + BT_DBG("crypto_alloc_ahash failed: err %ld", PTR_ERR(tfm)); + return PTR_ERR(tfm); + } + + ret = crypto_shash_setkey(tfm, key, ksize); + if (ret) { + BT_DBG("crypto_ahash_setkey failed: err %d", ret); + } else { + struct { + struct shash_desc shash; + char ctx[crypto_shash_descsize(tfm)]; + } desc; + + desc.shash.tfm = tfm; + desc.shash.flags = CRYPTO_TFM_REQ_MAY_SLEEP; + + ret = crypto_shash_digest(&desc.shash, plaintext, psize, + output); + } + + crypto_free_shash(tfm); + return ret; +} + +int phylink_gen_key(struct hci_conn *conn, u8 *data, u8 *len, u8 *type) +{ + struct hci_dev *hdev = conn->hdev; + struct link_key *key; + u8 keybuf[HCI_AMP_LINK_KEY_SIZE]; + u8 gamp_key[HCI_AMP_LINK_KEY_SIZE]; + int err; + + if (!hci_conn_check_link_mode(conn)) + return -EACCES; + + BT_DBG("conn %p key_type %d", conn, conn->key_type); + + /* Legacy key */ + if (conn->key_type < 3) { + BT_ERR("Legacy key type %d", conn->key_type); + return -EACCES; + } + + *type = conn->key_type; + *len = HCI_AMP_LINK_KEY_SIZE; + + key = hci_find_link_key(hdev, &conn->dst); + if (!key) { + BT_DBG("No Link key for conn %p dst %pMR", conn, &conn->dst); + return -EACCES; + } + + /* BR/EDR Link Key concatenated together with itself */ + memcpy(&keybuf[0], key->val, HCI_LINK_KEY_SIZE); + memcpy(&keybuf[HCI_LINK_KEY_SIZE], key->val, HCI_LINK_KEY_SIZE); + + /* Derive Generic AMP Link Key (gamp) */ + err = hmac_sha256(keybuf, HCI_AMP_LINK_KEY_SIZE, "gamp", 4, gamp_key); + if (err) { + BT_ERR("Could not derive Generic AMP Key: err %d", err); + return err; + } + + if (conn->key_type == HCI_LK_DEBUG_COMBINATION) { + BT_DBG("Use Generic AMP Key (gamp)"); + memcpy(data, gamp_key, HCI_AMP_LINK_KEY_SIZE); + return err; + } + + /* Derive Dedicated AMP Link Key: "802b" is 802.11 PAL keyID */ + return hmac_sha256(gamp_key, HCI_AMP_LINK_KEY_SIZE, "802b", 4, data); +} + +void amp_read_loc_assoc_frag(struct hci_dev *hdev, u8 phy_handle) +{ + struct hci_cp_read_local_amp_assoc cp; + struct amp_assoc *loc_assoc = &hdev->loc_assoc; + + BT_DBG("%s handle %d", hdev->name, phy_handle); + + cp.phy_handle = phy_handle; + cp.max_len = cpu_to_le16(hdev->amp_assoc_size); + cp.len_so_far = cpu_to_le16(loc_assoc->offset); + + hci_send_cmd(hdev, HCI_OP_READ_LOCAL_AMP_ASSOC, sizeof(cp), &cp); +} + +void amp_read_loc_assoc(struct hci_dev *hdev, struct amp_mgr *mgr) +{ + struct hci_cp_read_local_amp_assoc cp; + + memset(&hdev->loc_assoc, 0, sizeof(struct amp_assoc)); + memset(&cp, 0, sizeof(cp)); + + cp.max_len = cpu_to_le16(hdev->amp_assoc_size); + + mgr->state = READ_LOC_AMP_ASSOC; + hci_send_cmd(hdev, HCI_OP_READ_LOCAL_AMP_ASSOC, sizeof(cp), &cp); +} + +void amp_read_loc_assoc_final_data(struct hci_dev *hdev, + struct hci_conn *hcon) +{ + struct hci_cp_read_local_amp_assoc cp; + struct amp_mgr *mgr = hcon->amp_mgr; + + cp.phy_handle = hcon->handle; + cp.len_so_far = cpu_to_le16(0); + cp.max_len = cpu_to_le16(hdev->amp_assoc_size); + + mgr->state = READ_LOC_AMP_ASSOC_FINAL; + + /* Read Local AMP Assoc final link information data */ + hci_send_cmd(hdev, HCI_OP_READ_LOCAL_AMP_ASSOC, sizeof(cp), &cp); +} + +/* Write AMP Assoc data fragments, returns true with last fragment written*/ +static bool amp_write_rem_assoc_frag(struct hci_dev *hdev, + struct hci_conn *hcon) +{ + struct hci_cp_write_remote_amp_assoc *cp; + struct amp_mgr *mgr = hcon->amp_mgr; + struct amp_ctrl *ctrl; + u16 frag_len, len; + + ctrl = amp_ctrl_lookup(mgr, hcon->remote_id); + if (!ctrl) + return false; + + if (!ctrl->assoc_rem_len) { + BT_DBG("all fragments are written"); + ctrl->assoc_rem_len = ctrl->assoc_len; + ctrl->assoc_len_so_far = 0; + + amp_ctrl_put(ctrl); + return true; + } + + frag_len = min_t(u16, 248, ctrl->assoc_rem_len); + len = frag_len + sizeof(*cp); + + cp = kzalloc(len, GFP_KERNEL); + if (!cp) { + amp_ctrl_put(ctrl); + return false; + } + + BT_DBG("hcon %p ctrl %p frag_len %u assoc_len %u rem_len %u", + hcon, ctrl, frag_len, ctrl->assoc_len, ctrl->assoc_rem_len); + + cp->phy_handle = hcon->handle; + cp->len_so_far = cpu_to_le16(ctrl->assoc_len_so_far); + cp->rem_len = cpu_to_le16(ctrl->assoc_rem_len); + memcpy(cp->frag, ctrl->assoc, frag_len); + + ctrl->assoc_len_so_far += frag_len; + ctrl->assoc_rem_len -= frag_len; + + amp_ctrl_put(ctrl); + + hci_send_cmd(hdev, HCI_OP_WRITE_REMOTE_AMP_ASSOC, len, cp); + + kfree(cp); + + return false; +} + +void amp_write_rem_assoc_continue(struct hci_dev *hdev, u8 handle) +{ + struct hci_conn *hcon; + + BT_DBG("%s phy handle 0x%2.2x", hdev->name, handle); + + hcon = hci_conn_hash_lookup_handle(hdev, handle); + if (!hcon) + return; + + amp_write_rem_assoc_frag(hdev, hcon); +} + +void amp_write_remote_assoc(struct hci_dev *hdev, u8 handle) +{ + struct hci_conn *hcon; + + BT_DBG("%s phy handle 0x%2.2x", hdev->name, handle); + + hcon = hci_conn_hash_lookup_handle(hdev, handle); + if (!hcon) + return; + + BT_DBG("%s phy handle 0x%2.2x hcon %p", hdev->name, handle, hcon); + + amp_write_rem_assoc_frag(hdev, hcon); +} + +void amp_create_phylink(struct hci_dev *hdev, struct amp_mgr *mgr, + struct hci_conn *hcon) +{ + struct hci_cp_create_phy_link cp; + + cp.phy_handle = hcon->handle; + + BT_DBG("%s hcon %p phy handle 0x%2.2x", hdev->name, hcon, + hcon->handle); + + if (phylink_gen_key(mgr->l2cap_conn->hcon, cp.key, &cp.key_len, + &cp.key_type)) { + BT_DBG("Cannot create link key"); + return; + } + + hci_send_cmd(hdev, HCI_OP_CREATE_PHY_LINK, sizeof(cp), &cp); +} + +void amp_accept_phylink(struct hci_dev *hdev, struct amp_mgr *mgr, + struct hci_conn *hcon) +{ + struct hci_cp_accept_phy_link cp; + + cp.phy_handle = hcon->handle; + + BT_DBG("%s hcon %p phy handle 0x%2.2x", hdev->name, hcon, + hcon->handle); + + if (phylink_gen_key(mgr->l2cap_conn->hcon, cp.key, &cp.key_len, + &cp.key_type)) { + BT_DBG("Cannot create link key"); + return; + } + + hci_send_cmd(hdev, HCI_OP_ACCEPT_PHY_LINK, sizeof(cp), &cp); +} + +void amp_physical_cfm(struct hci_conn *bredr_hcon, struct hci_conn *hs_hcon) +{ + struct hci_dev *bredr_hdev = hci_dev_hold(bredr_hcon->hdev); + struct amp_mgr *mgr = hs_hcon->amp_mgr; + struct l2cap_chan *bredr_chan; + + BT_DBG("bredr_hcon %p hs_hcon %p mgr %p", bredr_hcon, hs_hcon, mgr); + + if (!bredr_hdev || !mgr || !mgr->bredr_chan) + return; + + bredr_chan = mgr->bredr_chan; + + l2cap_chan_lock(bredr_chan); + + set_bit(FLAG_EFS_ENABLE, &bredr_chan->flags); + bredr_chan->remote_amp_id = hs_hcon->remote_id; + bredr_chan->local_amp_id = hs_hcon->hdev->id; + bredr_chan->hs_hcon = hs_hcon; + bredr_chan->conn->mtu = hs_hcon->hdev->block_mtu; + + __l2cap_physical_cfm(bredr_chan, 0); + + l2cap_chan_unlock(bredr_chan); + + hci_dev_put(bredr_hdev); +} + +void amp_create_logical_link(struct l2cap_chan *chan) +{ + struct hci_cp_create_accept_logical_link cp; + struct hci_conn *hcon; + struct hci_dev *hdev; + + BT_DBG("chan %p", chan); + + if (!chan->hs_hcon) + return; + + hdev = hci_dev_hold(chan->hs_hcon->hdev); + if (!hdev) + return; + + BT_DBG("chan %p dst %pMR", chan, chan->conn->dst); + + hcon = hci_conn_hash_lookup_ba(hdev, AMP_LINK, chan->conn->dst); + if (!hcon) + goto done; + + cp.phy_handle = hcon->handle; + + cp.tx_flow_spec.id = chan->local_id; + cp.tx_flow_spec.stype = chan->local_stype; + cp.tx_flow_spec.msdu = cpu_to_le16(chan->local_msdu); + cp.tx_flow_spec.sdu_itime = cpu_to_le32(chan->local_sdu_itime); + cp.tx_flow_spec.acc_lat = cpu_to_le32(chan->local_acc_lat); + cp.tx_flow_spec.flush_to = cpu_to_le32(chan->local_flush_to); + + cp.rx_flow_spec.id = chan->remote_id; + cp.rx_flow_spec.stype = chan->remote_stype; + cp.rx_flow_spec.msdu = cpu_to_le16(chan->remote_msdu); + cp.rx_flow_spec.sdu_itime = cpu_to_le32(chan->remote_sdu_itime); + cp.rx_flow_spec.acc_lat = cpu_to_le32(chan->remote_acc_lat); + cp.rx_flow_spec.flush_to = cpu_to_le32(chan->remote_flush_to); + + if (hcon->out) + hci_send_cmd(hdev, HCI_OP_CREATE_LOGICAL_LINK, sizeof(cp), + &cp); + else + hci_send_cmd(hdev, HCI_OP_ACCEPT_LOGICAL_LINK, sizeof(cp), + &cp); + +done: + hci_dev_put(hdev); +} + +void amp_disconnect_logical_link(struct hci_chan *hchan) +{ + struct hci_conn *hcon = hchan->conn; + struct hci_cp_disconn_logical_link cp; + + if (hcon->state != BT_CONNECTED) { + BT_DBG("hchan %p not connected", hchan); + return; + } + + cp.log_handle = cpu_to_le16(hchan->handle); + hci_send_cmd(hcon->hdev, HCI_OP_DISCONN_LOGICAL_LINK, sizeof(cp), &cp); +} + +void amp_destroy_logical_link(struct hci_chan *hchan, u8 reason) +{ + BT_DBG("hchan %p", hchan); + + hci_chan_del(hchan); +} diff --git a/net/bluetooth/bnep/core.c b/net/bluetooth/bnep/core.c index 4a6620bc157..a5b63970263 100644 --- a/net/bluetooth/bnep/core.c +++ b/net/bluetooth/bnep/core.c @@ -182,8 +182,7 @@ static int bnep_ctrl_set_mcfilter(struct bnep_session *s, u8 *data, int len) a2 = data; data += ETH_ALEN; - BT_DBG("mc filter %s -> %s", - batostr((void *) a1), batostr((void *) a2)); + BT_DBG("mc filter %pMR -> %pMR", a1, a2); /* Iterate from a1 to a2 */ set_bit(bnep_mc_hash(a1), (ulong *) &s->mc_filter); diff --git a/net/bluetooth/bnep/netdev.c b/net/bluetooth/bnep/netdev.c index 98f86f91d47..e58c8b32589 100644 --- a/net/bluetooth/bnep/netdev.c +++ b/net/bluetooth/bnep/netdev.c @@ -25,7 +25,6 @@ SOFTWARE IS DISCLAIMED. */ -#include <linux/export.h> #include <linux/etherdevice.h> #include <net/bluetooth/bluetooth.h> diff --git a/net/bluetooth/cmtp/capi.c b/net/bluetooth/cmtp/capi.c index 50f0d135eb8..a4a9d4b6816 100644 --- a/net/bluetooth/cmtp/capi.c +++ b/net/bluetooth/cmtp/capi.c @@ -20,7 +20,7 @@ SOFTWARE IS DISCLAIMED. */ -#include <linux/module.h> +#include <linux/export.h> #include <linux/proc_fs.h> #include <linux/seq_file.h> #include <linux/types.h> diff --git a/net/bluetooth/cmtp/core.c b/net/bluetooth/cmtp/core.c index 6c9c1fd601c..e0a6ebf2baa 100644 --- a/net/bluetooth/cmtp/core.c +++ b/net/bluetooth/cmtp/core.c @@ -353,7 +353,7 @@ int cmtp_add_connection(struct cmtp_connadd_req *req, struct socket *sock) BT_DBG("mtu %d", session->mtu); - sprintf(session->name, "%s", batostr(&bt_sk(sock->sk)->dst)); + sprintf(session->name, "%pMR", &bt_sk(sock->sk)->dst); session->sock = sock; session->state = BT_CONFIG; diff --git a/net/bluetooth/cmtp/sock.c b/net/bluetooth/cmtp/sock.c index aacb802d1ee..1c57482112b 100644 --- a/net/bluetooth/cmtp/sock.c +++ b/net/bluetooth/cmtp/sock.c @@ -20,7 +20,7 @@ SOFTWARE IS DISCLAIMED. */ -#include <linux/module.h> +#include <linux/export.h> #include <linux/types.h> #include <linux/capability.h> diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c index b9196a44f75..25bfce0666e 100644 --- a/net/bluetooth/hci_conn.c +++ b/net/bluetooth/hci_conn.c @@ -130,6 +130,20 @@ void hci_acl_disconn(struct hci_conn *conn, __u8 reason) hci_send_cmd(conn->hdev, HCI_OP_DISCONNECT, sizeof(cp), &cp); } +static void hci_amp_disconn(struct hci_conn *conn, __u8 reason) +{ + struct hci_cp_disconn_phy_link cp; + + BT_DBG("hcon %p", conn); + + conn->state = BT_DISCONN; + + cp.phy_handle = HCI_PHY_HANDLE(conn->handle); + cp.reason = reason; + hci_send_cmd(conn->hdev, HCI_OP_DISCONN_PHY_LINK, + sizeof(cp), &cp); +} + static void hci_add_sco(struct hci_conn *conn, __u16 handle) { struct hci_dev *hdev = conn->hdev; @@ -230,11 +244,24 @@ void hci_sco_setup(struct hci_conn *conn, __u8 status) } } +static void hci_conn_disconnect(struct hci_conn *conn) +{ + __u8 reason = hci_proto_disconn_ind(conn); + + switch (conn->type) { + case ACL_LINK: + hci_acl_disconn(conn, reason); + break; + case AMP_LINK: + hci_amp_disconn(conn, reason); + break; + } +} + static void hci_conn_timeout(struct work_struct *work) { struct hci_conn *conn = container_of(work, struct hci_conn, disc_work.work); - __u8 reason; BT_DBG("hcon %p state %s", conn, state_to_string(conn->state)); @@ -253,8 +280,7 @@ static void hci_conn_timeout(struct work_struct *work) break; case BT_CONFIG: case BT_CONNECTED: - reason = hci_proto_disconn_ind(conn); - hci_acl_disconn(conn, reason); + hci_conn_disconnect(conn); break; default: conn->state = BT_CLOSED; @@ -320,7 +346,7 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst) { struct hci_conn *conn; - BT_DBG("%s dst %s", hdev->name, batostr(dst)); + BT_DBG("%s dst %pMR", hdev->name, dst); conn = kzalloc(sizeof(struct hci_conn), GFP_KERNEL); if (!conn) @@ -437,7 +463,7 @@ struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src) int use_src = bacmp(src, BDADDR_ANY); struct hci_dev *hdev = NULL, *d; - BT_DBG("%s -> %s", batostr(src), batostr(dst)); + BT_DBG("%pMR -> %pMR", src, dst); read_lock(&hci_dev_list_lock); @@ -476,6 +502,9 @@ static struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, { struct hci_conn *le; + if (test_bit(HCI_LE_PERIPHERAL, &hdev->flags)) + return ERR_PTR(-ENOTSUPP); + le = hci_conn_hash_lookup_ba(hdev, LE_LINK, dst); if (!le) { le = hci_conn_hash_lookup_state(hdev, LE_LINK, BT_CONNECT); @@ -567,7 +596,7 @@ static struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8 dst_type, __u8 sec_level, __u8 auth_type) { - BT_DBG("%s dst %s type 0x%x", hdev->name, batostr(dst), type); + BT_DBG("%s dst %pMR type 0x%x", hdev->name, dst, type); switch (type) { case LE_LINK: @@ -933,6 +962,7 @@ struct hci_chan *hci_chan_create(struct hci_conn *conn) chan->conn = conn; skb_queue_head_init(&chan->data_q); + chan->state = BT_CONNECTED; list_add_rcu(&chan->list, &conn->chan_list); @@ -950,6 +980,8 @@ void hci_chan_del(struct hci_chan *chan) synchronize_rcu(); + hci_conn_put(conn); + skb_queue_purge(&chan->data_q); kfree(chan); } @@ -963,3 +995,35 @@ void hci_chan_list_flush(struct hci_conn *conn) list_for_each_entry_safe(chan, n, &conn->chan_list, list) hci_chan_del(chan); } + +static struct hci_chan *__hci_chan_lookup_handle(struct hci_conn *hcon, + __u16 handle) +{ + struct hci_chan *hchan; + + list_for_each_entry(hchan, &hcon->chan_list, list) { + if (hchan->handle == handle) + return hchan; + } + + return NULL; +} + +struct hci_chan *hci_chan_lookup_handle(struct hci_dev *hdev, __u16 handle) +{ + struct hci_conn_hash *h = &hdev->conn_hash; + struct hci_conn *hcon; + struct hci_chan *hchan = NULL; + + rcu_read_lock(); + + list_for_each_entry_rcu(hcon, &h->list, list) { + hchan = __hci_chan_lookup_handle(hcon, handle); + if (hchan) + break; + } + + rcu_read_unlock(); + + return hchan; +} diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 8a0ce706aeb..596660d37c5 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -178,48 +178,13 @@ static void hci_reset_req(struct hci_dev *hdev, unsigned long opt) static void bredr_init(struct hci_dev *hdev) { - struct hci_cp_delete_stored_link_key cp; - __le16 param; - __u8 flt_type; - hdev->flow_ctl_mode = HCI_FLOW_CTL_MODE_PACKET_BASED; - /* Mandatory initialization */ - /* Read Local Supported Features */ hci_send_cmd(hdev, HCI_OP_READ_LOCAL_FEATURES, 0, NULL); /* Read Local Version */ hci_send_cmd(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL); - - /* Read Buffer Size (ACL mtu, max pkt, etc.) */ - hci_send_cmd(hdev, HCI_OP_READ_BUFFER_SIZE, 0, NULL); - - /* Read BD Address */ - hci_send_cmd(hdev, HCI_OP_READ_BD_ADDR, 0, NULL); - - /* Read Class of Device */ - hci_send_cmd(hdev, HCI_OP_READ_CLASS_OF_DEV, 0, NULL); - - /* Read Local Name */ - hci_send_cmd(hdev, HCI_OP_READ_LOCAL_NAME, 0, NULL); - - /* Read Voice Setting */ - hci_send_cmd(hdev, HCI_OP_READ_VOICE_SETTING, 0, NULL); - - /* Optional initialization */ - - /* Clear Event Filters */ - flt_type = HCI_FLT_CLEAR_ALL; - hci_send_cmd(hdev, HCI_OP_SET_EVENT_FLT, 1, &flt_type); - - /* Connection accept timeout ~20 secs */ - param = __constant_cpu_to_le16(0x7d00); - hci_send_cmd(hdev, HCI_OP_WRITE_CA_TIMEOUT, 2, ¶m); - - bacpy(&cp.bdaddr, BDADDR_ANY); - cp.delete_all = 1; - hci_send_cmd(hdev, HCI_OP_DELETE_STORED_LINK_KEY, sizeof(cp), &cp); } static void amp_init(struct hci_dev *hdev) @@ -273,14 +238,6 @@ static void hci_init_req(struct hci_dev *hdev, unsigned long opt) } } -static void hci_le_init_req(struct hci_dev *hdev, unsigned long opt) -{ - BT_DBG("%s", hdev->name); - - /* Read LE buffer size */ - hci_send_cmd(hdev, HCI_OP_LE_READ_BUFFER_SIZE, 0, NULL); -} - static void hci_scan_req(struct hci_dev *hdev, unsigned long opt) { __u8 scan = opt; @@ -405,7 +362,7 @@ struct inquiry_entry *hci_inquiry_cache_lookup(struct hci_dev *hdev, struct discovery_state *cache = &hdev->discovery; struct inquiry_entry *e; - BT_DBG("cache %p, %s", cache, batostr(bdaddr)); + BT_DBG("cache %p, %pMR", cache, bdaddr); list_for_each_entry(e, &cache->all, all) { if (!bacmp(&e->data.bdaddr, bdaddr)) @@ -421,7 +378,7 @@ struct inquiry_entry *hci_inquiry_cache_lookup_unknown(struct hci_dev *hdev, struct discovery_state *cache = &hdev->discovery; struct inquiry_entry *e; - BT_DBG("cache %p, %s", cache, batostr(bdaddr)); + BT_DBG("cache %p, %pMR", cache, bdaddr); list_for_each_entry(e, &cache->unknown, list) { if (!bacmp(&e->data.bdaddr, bdaddr)) @@ -438,7 +395,7 @@ struct inquiry_entry *hci_inquiry_cache_lookup_resolve(struct hci_dev *hdev, struct discovery_state *cache = &hdev->discovery; struct inquiry_entry *e; - BT_DBG("cache %p bdaddr %s state %d", cache, batostr(bdaddr), state); + BT_DBG("cache %p bdaddr %pMR state %d", cache, bdaddr, state); list_for_each_entry(e, &cache->resolve, list) { if (!bacmp(bdaddr, BDADDR_ANY) && e->name_state == state) @@ -475,7 +432,9 @@ bool hci_inquiry_cache_update(struct hci_dev *hdev, struct inquiry_data *data, struct discovery_state *cache = &hdev->discovery; struct inquiry_entry *ie; - BT_DBG("cache %p, %s", cache, batostr(&data->bdaddr)); + BT_DBG("cache %p, %pMR", cache, &data->bdaddr); + + hci_remove_remote_oob_data(hdev, &data->bdaddr); if (ssp) *ssp = data->ssp_mode; @@ -637,6 +596,99 @@ done: return err; } +static u8 create_ad(struct hci_dev *hdev, u8 *ptr) +{ + u8 ad_len = 0, flags = 0; + size_t name_len; + + if (test_bit(HCI_LE_PERIPHERAL, &hdev->dev_flags)) + flags |= LE_AD_GENERAL; + + if (!lmp_bredr_capable(hdev)) + flags |= LE_AD_NO_BREDR; + + if (lmp_le_br_capable(hdev)) + flags |= LE_AD_SIM_LE_BREDR_CTRL; + + if (lmp_host_le_br_capable(hdev)) + flags |= LE_AD_SIM_LE_BREDR_HOST; + + if (flags) { + BT_DBG("adv flags 0x%02x", flags); + + ptr[0] = 2; + ptr[1] = EIR_FLAGS; + ptr[2] = flags; + + ad_len += 3; + ptr += 3; + } + + if (hdev->adv_tx_power != HCI_TX_POWER_INVALID) { + ptr[0] = 2; + ptr[1] = EIR_TX_POWER; + ptr[2] = (u8) hdev->adv_tx_power; + + ad_len += 3; + ptr += 3; + } + + name_len = strlen(hdev->dev_name); + if (name_len > 0) { + size_t max_len = HCI_MAX_AD_LENGTH - ad_len - 2; + + if (name_len > max_len) { + name_len = max_len; + ptr[1] = EIR_NAME_SHORT; + } else + ptr[1] = EIR_NAME_COMPLETE; + + ptr[0] = name_len + 1; + + memcpy(ptr + 2, hdev->dev_name, name_len); + + ad_len += (name_len + 2); + ptr += (name_len + 2); + } + + return ad_len; +} + +int hci_update_ad(struct hci_dev *hdev) +{ + struct hci_cp_le_set_adv_data cp; + u8 len; + int err; + + hci_dev_lock(hdev); + + if (!lmp_le_capable(hdev)) { + err = -EINVAL; + goto unlock; + } + + memset(&cp, 0, sizeof(cp)); + + len = create_ad(hdev, cp.data); + + if (hdev->adv_data_len == len && + memcmp(cp.data, hdev->adv_data, len) == 0) { + err = 0; + goto unlock; + } + + memcpy(hdev->adv_data, cp.data, sizeof(cp.data)); + hdev->adv_data_len = len; + + cp.length = len; + err = hci_send_cmd(hdev, HCI_OP_LE_SET_ADV_DATA, sizeof(cp), &cp); + +unlock: + hci_dev_unlock(hdev); + + return err; +} + /* ---- HCI ioctl helpers ---- */ int hci_dev_open(__u16 dev) @@ -687,10 +739,6 @@ int hci_dev_open(__u16 dev) ret = __hci_request(hdev, hci_init_req, 0, HCI_INIT_TIMEOUT); - if (lmp_host_le_capable(hdev)) - ret = __hci_request(hdev, hci_le_init_req, 0, - HCI_INIT_TIMEOUT); - clear_bit(HCI_INIT, &hdev->flags); } @@ -698,6 +746,7 @@ int hci_dev_open(__u16 dev) hci_dev_hold(hdev); set_bit(HCI_UP, &hdev->flags); hci_notify(hdev, HCI_DEV_UP); + hci_update_ad(hdev); if (!test_bit(HCI_SETUP, &hdev->dev_flags) && mgmt_valid_hdev(hdev)) { hci_dev_lock(hdev); @@ -812,6 +861,9 @@ static int hci_dev_do_close(struct hci_dev *hdev) /* Clear flags */ hdev->flags = 0; + /* Controller radio is available but is currently powered down */ + hdev->amp_status = 0; + memset(hdev->eir, 0, sizeof(hdev->eir)); memset(hdev->dev_class, 0, sizeof(hdev->dev_class)); @@ -1039,10 +1091,17 @@ int hci_get_dev_info(void __user *arg) di.type = (hdev->bus & 0x0f) | (hdev->dev_type << 4); di.flags = hdev->flags; di.pkt_type = hdev->pkt_type; - di.acl_mtu = hdev->acl_mtu; - di.acl_pkts = hdev->acl_pkts; - di.sco_mtu = hdev->sco_mtu; - di.sco_pkts = hdev->sco_pkts; + if (lmp_bredr_capable(hdev)) { + di.acl_mtu = hdev->acl_mtu; + di.acl_pkts = hdev->acl_pkts; + di.sco_mtu = hdev->sco_mtu; + di.sco_pkts = hdev->sco_pkts; + } else { + di.acl_mtu = hdev->le_mtu; + di.acl_pkts = hdev->le_pkts; + di.sco_mtu = 0; + di.sco_pkts = 0; + } di.link_policy = hdev->link_policy; di.link_mode = hdev->link_mode; @@ -1259,7 +1318,7 @@ int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key, list_add(&key->list, &hdev->link_keys); } - BT_DBG("%s key for %s type %u", hdev->name, batostr(bdaddr), type); + BT_DBG("%s key for %pMR type %u", hdev->name, bdaddr, type); /* Some buggy controller combinations generate a changed * combination key for legacy pairing even when there's no @@ -1338,7 +1397,7 @@ int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr) if (!key) return -ENOENT; - BT_DBG("%s removing %s", hdev->name, batostr(bdaddr)); + BT_DBG("%s removing %pMR", hdev->name, bdaddr); list_del(&key->list); kfree(key); @@ -1354,7 +1413,7 @@ int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr) if (bacmp(bdaddr, &k->bdaddr)) continue; - BT_DBG("%s removing %s", hdev->name, batostr(bdaddr)); + BT_DBG("%s removing %pMR", hdev->name, bdaddr); list_del(&k->list); kfree(k); @@ -1401,7 +1460,7 @@ int hci_remove_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr) if (!data) return -ENOENT; - BT_DBG("%s removing %s", hdev->name, batostr(bdaddr)); + BT_DBG("%s removing %pMR", hdev->name, bdaddr); list_del(&data->list); kfree(data); @@ -1440,7 +1499,7 @@ int hci_add_remote_oob_data(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 *hash, memcpy(data->hash, hash, sizeof(data->hash)); memcpy(data->randomizer, randomizer, sizeof(data->randomizer)); - BT_DBG("%s for %s", hdev->name, batostr(bdaddr)); + BT_DBG("%s for %pMR", hdev->name, bdaddr); return 0; } @@ -1617,6 +1676,9 @@ int hci_le_scan(struct hci_dev *hdev, u8 type, u16 interval, u16 window, BT_DBG("%s", hdev->name); + if (test_bit(HCI_LE_PERIPHERAL, &hdev->dev_flags)) + return -ENOTSUPP; + if (work_busy(&hdev->le_scan)) return -EINPROGRESS; @@ -1643,6 +1705,8 @@ struct hci_dev *hci_alloc_dev(void) hdev->esco_type = (ESCO_HV1); hdev->link_mode = (HCI_LM_ACCEPT); hdev->io_capability = 0x03; /* No Input No Output */ + hdev->inq_tx_power = HCI_TX_POWER_INVALID; + hdev->adv_tx_power = HCI_TX_POWER_INVALID; hdev->sniff_max_interval = 800; hdev->sniff_min_interval = 80; @@ -1754,11 +1818,11 @@ int hci_register_dev(struct hci_dev *hdev) if (hdev->dev_type != HCI_AMP) set_bit(HCI_AUTO_OFF, &hdev->dev_flags); - schedule_work(&hdev->power_on); - hci_notify(hdev, HCI_DEV_REG); hci_dev_hold(hdev); + schedule_work(&hdev->power_on); + return id; err_wqueue: @@ -1793,6 +1857,8 @@ void hci_unregister_dev(struct hci_dev *hdev) for (i = 0; i < NUM_REASSEMBLY; i++) kfree_skb(hdev->reassembly[i]); + cancel_work_sync(&hdev->power_on); + if (!test_bit(HCI_INIT, &hdev->flags) && !test_bit(HCI_SETUP, &hdev->dev_flags)) { hci_dev_lock(hdev); @@ -2153,9 +2219,10 @@ static void hci_add_acl_hdr(struct sk_buff *skb, __u16 handle, __u16 flags) hdr->dlen = cpu_to_le16(len); } -static void hci_queue_acl(struct hci_conn *conn, struct sk_buff_head *queue, +static void hci_queue_acl(struct hci_chan *chan, struct sk_buff_head *queue, struct sk_buff *skb, __u16 flags) { + struct hci_conn *conn = chan->conn; struct hci_dev *hdev = conn->hdev; struct sk_buff *list; @@ -2163,7 +2230,18 @@ static void hci_queue_acl(struct hci_conn *conn, struct sk_buff_head *queue, skb->data_len = 0; bt_cb(skb)->pkt_type = HCI_ACLDATA_PKT; - hci_add_acl_hdr(skb, conn->handle, flags); + + switch (hdev->dev_type) { + case HCI_BREDR: + hci_add_acl_hdr(skb, conn->handle, flags); + break; + case HCI_AMP: + hci_add_acl_hdr(skb, chan->handle, flags); + break; + default: + BT_ERR("%s unknown dev_type %d", hdev->name, hdev->dev_type); + return; + } list = skb_shinfo(skb)->frag_list; if (!list) { @@ -2202,14 +2280,13 @@ static void hci_queue_acl(struct hci_conn *conn, struct sk_buff_head *queue, void hci_send_acl(struct hci_chan *chan, struct sk_buff *skb, __u16 flags) { - struct hci_conn *conn = chan->conn; - struct hci_dev *hdev = conn->hdev; + struct hci_dev *hdev = chan->conn->hdev; BT_DBG("%s chan %p flags 0x%4.4x", hdev->name, chan, flags); skb->dev = (void *) hdev; - hci_queue_acl(conn, &chan->data_q, skb, flags); + hci_queue_acl(chan, &chan->data_q, skb, flags); queue_work(hdev->workqueue, &hdev->tx_work); } @@ -2311,8 +2388,8 @@ static void hci_link_tx_to(struct hci_dev *hdev, __u8 type) /* Kill stalled connections */ list_for_each_entry_rcu(c, &h->list, list) { if (c->type == type && c->sent) { - BT_ERR("%s killing stalled connection %s", - hdev->name, batostr(&c->dst)); + BT_ERR("%s killing stalled connection %pMR", + hdev->name, &c->dst); hci_acl_disconn(c, HCI_ERROR_REMOTE_USER_TERM); } } @@ -2381,6 +2458,9 @@ static struct hci_chan *hci_chan_sent(struct hci_dev *hdev, __u8 type, case ACL_LINK: cnt = hdev->acl_cnt; break; + case AMP_LINK: + cnt = hdev->block_cnt; + break; case SCO_LINK: case ESCO_LINK: cnt = hdev->sco_cnt; @@ -2510,11 +2590,19 @@ static void hci_sched_acl_blk(struct hci_dev *hdev) struct hci_chan *chan; struct sk_buff *skb; int quote; + u8 type; __check_timeout(hdev, cnt); + BT_DBG("%s", hdev->name); + + if (hdev->dev_type == HCI_AMP) + type = AMP_LINK; + else + type = ACL_LINK; + while (hdev->block_cnt > 0 && - (chan = hci_chan_sent(hdev, ACL_LINK, "e))) { + (chan = hci_chan_sent(hdev, type, "e))) { u32 priority = (skb_peek(&chan->data_q))->priority; while (quote > 0 && (skb = skb_peek(&chan->data_q))) { int blocks; @@ -2547,14 +2635,19 @@ static void hci_sched_acl_blk(struct hci_dev *hdev) } if (cnt != hdev->block_cnt) - hci_prio_recalculate(hdev, ACL_LINK); + hci_prio_recalculate(hdev, type); } static void hci_sched_acl(struct hci_dev *hdev) { BT_DBG("%s", hdev->name); - if (!hci_conn_num(hdev, ACL_LINK)) + /* No ACL link over BR/EDR controller */ + if (!hci_conn_num(hdev, ACL_LINK) && hdev->dev_type == HCI_BREDR) + return; + + /* No AMP link over AMP controller */ + if (!hci_conn_num(hdev, AMP_LINK) && hdev->dev_type == HCI_AMP) return; switch (hdev->flow_ctl_mode) { diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 2022b43c735..705078a0cc3 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -24,12 +24,13 @@ /* Bluetooth HCI event handling. */ -#include <linux/export.h> #include <asm/unaligned.h> #include <net/bluetooth/bluetooth.h> #include <net/bluetooth/hci_core.h> #include <net/bluetooth/mgmt.h> +#include <net/bluetooth/a2mp.h> +#include <net/bluetooth/amp.h> /* Handle HCI Event packets */ @@ -201,6 +202,11 @@ static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb) BIT(HCI_PERIODIC_INQ)); hdev->discovery.state = DISCOVERY_STOPPED; + hdev->inq_tx_power = HCI_TX_POWER_INVALID; + hdev->adv_tx_power = HCI_TX_POWER_INVALID; + + memset(hdev->adv_data, 0, sizeof(hdev->adv_data)); + hdev->adv_data_len = 0; } static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb) @@ -223,6 +229,9 @@ static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb) hci_dev_unlock(hdev); + if (!status && !test_bit(HCI_INIT, &hdev->flags)) + hci_update_ad(hdev); + hci_req_complete(hdev, HCI_OP_WRITE_LOCAL_NAME, status); } @@ -438,7 +447,7 @@ static void hci_cc_host_buffer_size(struct hci_dev *hdev, struct sk_buff *skb) static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb) { __u8 status = *((__u8 *) skb->data); - void *sent; + struct hci_cp_write_ssp_mode *sent; BT_DBG("%s status 0x%2.2x", hdev->name, status); @@ -446,10 +455,17 @@ static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb) if (!sent) return; + if (!status) { + if (sent->mode) + hdev->host_features[0] |= LMP_HOST_SSP; + else + hdev->host_features[0] &= ~LMP_HOST_SSP; + } + if (test_bit(HCI_MGMT, &hdev->dev_flags)) - mgmt_ssp_enable_complete(hdev, *((u8 *) sent), status); + mgmt_ssp_enable_complete(hdev, sent->mode, status); else if (!status) { - if (*((u8 *) sent)) + if (sent->mode) set_bit(HCI_SSP_ENABLED, &hdev->dev_flags); else clear_bit(HCI_SSP_ENABLED, &hdev->dev_flags); @@ -458,10 +474,10 @@ static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb) static u8 hci_get_inquiry_mode(struct hci_dev *hdev) { - if (hdev->features[6] & LMP_EXT_INQ) + if (lmp_ext_inq_capable(hdev)) return 2; - if (hdev->features[3] & LMP_RSSI_INQ) + if (lmp_inq_rssi_capable(hdev)) return 1; if (hdev->manufacturer == 11 && hdev->hci_rev == 0x00 && @@ -505,28 +521,30 @@ static void hci_setup_event_mask(struct hci_dev *hdev) if (hdev->hci_ver < BLUETOOTH_VER_1_2) return; - events[4] |= 0x01; /* Flow Specification Complete */ - events[4] |= 0x02; /* Inquiry Result with RSSI */ - events[4] |= 0x04; /* Read Remote Extended Features Complete */ - events[5] |= 0x08; /* Synchronous Connection Complete */ - events[5] |= 0x10; /* Synchronous Connection Changed */ + if (lmp_bredr_capable(hdev)) { + events[4] |= 0x01; /* Flow Specification Complete */ + events[4] |= 0x02; /* Inquiry Result with RSSI */ + events[4] |= 0x04; /* Read Remote Extended Features Complete */ + events[5] |= 0x08; /* Synchronous Connection Complete */ + events[5] |= 0x10; /* Synchronous Connection Changed */ + } - if (hdev->features[3] & LMP_RSSI_INQ) + if (lmp_inq_rssi_capable(hdev)) events[4] |= 0x02; /* Inquiry Result with RSSI */ if (lmp_sniffsubr_capable(hdev)) events[5] |= 0x20; /* Sniff Subrating */ - if (hdev->features[5] & LMP_PAUSE_ENC) + if (lmp_pause_enc_capable(hdev)) events[5] |= 0x80; /* Encryption Key Refresh Complete */ - if (hdev->features[6] & LMP_EXT_INQ) + if (lmp_ext_inq_capable(hdev)) events[5] |= 0x40; /* Extended Inquiry Result */ if (lmp_no_flush_capable(hdev)) events[7] |= 0x01; /* Enhanced Flush Complete */ - if (hdev->features[7] & LMP_LSTO) + if (lmp_lsto_capable(hdev)) events[6] |= 0x80; /* Link Supervision Timeout Changed */ if (lmp_ssp_capable(hdev)) { @@ -546,6 +564,53 @@ static void hci_setup_event_mask(struct hci_dev *hdev) events[7] |= 0x20; /* LE Meta-Event */ hci_send_cmd(hdev, HCI_OP_SET_EVENT_MASK, sizeof(events), events); + + if (lmp_le_capable(hdev)) { + memset(events, 0, sizeof(events)); + events[0] = 0x1f; + hci_send_cmd(hdev, HCI_OP_LE_SET_EVENT_MASK, + sizeof(events), events); + } +} + +static void bredr_setup(struct hci_dev *hdev) +{ + struct hci_cp_delete_stored_link_key cp; + __le16 param; + __u8 flt_type; + + /* Read Buffer Size (ACL mtu, max pkt, etc.) */ + hci_send_cmd(hdev, HCI_OP_READ_BUFFER_SIZE, 0, NULL); + + /* Read Class of Device */ + hci_send_cmd(hdev, HCI_OP_READ_CLASS_OF_DEV, 0, NULL); + + /* Read Local Name */ + hci_send_cmd(hdev, HCI_OP_READ_LOCAL_NAME, 0, NULL); + + /* Read Voice Setting */ + hci_send_cmd(hdev, HCI_OP_READ_VOICE_SETTING, 0, NULL); + + /* Clear Event Filters */ + flt_type = HCI_FLT_CLEAR_ALL; + hci_send_cmd(hdev, HCI_OP_SET_EVENT_FLT, 1, &flt_type); + + /* Connection accept timeout ~20 secs */ + param = __constant_cpu_to_le16(0x7d00); + hci_send_cmd(hdev, HCI_OP_WRITE_CA_TIMEOUT, 2, ¶m); + + bacpy(&cp.bdaddr, BDADDR_ANY); + cp.delete_all = 1; + hci_send_cmd(hdev, HCI_OP_DELETE_STORED_LINK_KEY, sizeof(cp), &cp); +} + +static void le_setup(struct hci_dev *hdev) +{ + /* Read LE Buffer Size */ + hci_send_cmd(hdev, HCI_OP_LE_READ_BUFFER_SIZE, 0, NULL); + + /* Read LE Advertising Channel TX Power */ + hci_send_cmd(hdev, HCI_OP_LE_READ_ADV_TX_POWER, 0, NULL); } static void hci_setup(struct hci_dev *hdev) @@ -553,6 +618,15 @@ static void hci_setup(struct hci_dev *hdev) if (hdev->dev_type != HCI_BREDR) return; + /* Read BD Address */ + hci_send_cmd(hdev, HCI_OP_READ_BD_ADDR, 0, NULL); + + if (lmp_bredr_capable(hdev)) + bredr_setup(hdev); + + if (lmp_le_capable(hdev)) + le_setup(hdev); + hci_setup_event_mask(hdev); if (hdev->hci_ver > BLUETOOTH_VER_1_1) @@ -573,13 +647,13 @@ static void hci_setup(struct hci_dev *hdev) } } - if (hdev->features[3] & LMP_RSSI_INQ) + if (lmp_inq_rssi_capable(hdev)) hci_setup_inquiry_mode(hdev); - if (hdev->features[7] & LMP_INQ_TX_PWR) + if (lmp_inq_tx_pwr_capable(hdev)) hci_send_cmd(hdev, HCI_OP_READ_INQ_RSP_TX_POWER, 0, NULL); - if (hdev->features[7] & LMP_EXTFEATURES) { + if (lmp_ext_feat_capable(hdev)) { struct hci_cp_read_local_ext_features cp; cp.page = 0x01; @@ -626,11 +700,11 @@ static void hci_setup_link_policy(struct hci_dev *hdev) if (lmp_rswitch_capable(hdev)) link_policy |= HCI_LP_RSWITCH; - if (hdev->features[0] & LMP_HOLD) + if (lmp_hold_capable(hdev)) link_policy |= HCI_LP_HOLD; if (lmp_sniff_capable(hdev)) link_policy |= HCI_LP_SNIFF; - if (hdev->features[1] & LMP_PARK) + if (lmp_park_capable(hdev)) link_policy |= HCI_LP_PARK; cp.policy = cpu_to_le16(link_policy); @@ -720,10 +794,10 @@ static void hci_set_le_support(struct hci_dev *hdev) if (test_bit(HCI_LE_ENABLED, &hdev->dev_flags)) { cp.le = 1; - cp.simul = !!(hdev->features[6] & LMP_SIMUL_LE_BR); + cp.simul = lmp_le_br_capable(hdev); } - if (cp.le != !!(hdev->host_features[0] & LMP_HOST_LE)) + if (cp.le != lmp_host_le_capable(hdev)) hci_send_cmd(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(cp), &cp); } @@ -846,7 +920,7 @@ static void hci_cc_read_local_amp_info(struct hci_dev *hdev, BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) - return; + goto a2mp_rsp; hdev->amp_status = rp->amp_status; hdev->amp_total_bw = __le32_to_cpu(rp->total_bw); @@ -860,6 +934,46 @@ static void hci_cc_read_local_amp_info(struct hci_dev *hdev, hdev->amp_max_flush_to = __le32_to_cpu(rp->max_flush_to); hci_req_complete(hdev, HCI_OP_READ_LOCAL_AMP_INFO, rp->status); + +a2mp_rsp: + a2mp_send_getinfo_rsp(hdev); +} + +static void hci_cc_read_local_amp_assoc(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_rp_read_local_amp_assoc *rp = (void *) skb->data; + struct amp_assoc *assoc = &hdev->loc_assoc; + size_t rem_len, frag_len; + + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); + + if (rp->status) + goto a2mp_rsp; + + frag_len = skb->len - sizeof(*rp); + rem_len = __le16_to_cpu(rp->rem_len); + + if (rem_len > frag_len) { + BT_DBG("frag_len %zu rem_len %zu", frag_len, rem_len); + + memcpy(assoc->data + assoc->offset, rp->frag, frag_len); + assoc->offset += frag_len; + + /* Read other fragments */ + amp_read_loc_assoc_frag(hdev, rp->phy_handle); + + return; + } + + memcpy(assoc->data + assoc->offset, rp->frag, rem_len); + assoc->len = assoc->offset + rem_len; + assoc->offset = 0; + +a2mp_rsp: + /* Send A2MP Rsp when all fragments are received */ + a2mp_send_getampassoc_rsp(hdev, rp->status); + a2mp_send_create_phy_link_req(hdev, rp->status); } static void hci_cc_delete_stored_link_key(struct hci_dev *hdev, @@ -976,6 +1090,31 @@ static void hci_cc_le_read_buffer_size(struct hci_dev *hdev, hci_req_complete(hdev, HCI_OP_LE_READ_BUFFER_SIZE, rp->status); } +static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_rp_le_read_adv_tx_power *rp = (void *) skb->data; + + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); + + if (!rp->status) { + hdev->adv_tx_power = rp->tx_power; + if (!test_bit(HCI_INIT, &hdev->flags)) + hci_update_ad(hdev); + } + + hci_req_complete(hdev, HCI_OP_LE_READ_ADV_TX_POWER, rp->status); +} + +static void hci_cc_le_set_event_mask(struct hci_dev *hdev, struct sk_buff *skb) +{ + __u8 status = *((__u8 *) skb->data); + + BT_DBG("%s status 0x%2.2x", hdev->name, status); + + hci_req_complete(hdev, HCI_OP_LE_SET_EVENT_MASK, status); +} + static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_rp_user_confirm_reply *rp = (void *) skb->data; @@ -1051,6 +1190,33 @@ static void hci_cc_read_local_oob_data_reply(struct hci_dev *hdev, hci_dev_unlock(hdev); } +static void hci_cc_le_set_adv_enable(struct hci_dev *hdev, struct sk_buff *skb) +{ + __u8 *sent, status = *((__u8 *) skb->data); + + BT_DBG("%s status 0x%2.2x", hdev->name, status); + + sent = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_ADV_ENABLE); + if (!sent) + return; + + hci_dev_lock(hdev); + + if (!status) { + if (*sent) + set_bit(HCI_LE_PERIPHERAL, &hdev->dev_flags); + else + clear_bit(HCI_LE_PERIPHERAL, &hdev->dev_flags); + } + + hci_dev_unlock(hdev); + + if (!test_bit(HCI_INIT, &hdev->flags)) + hci_update_ad(hdev); + + hci_req_complete(hdev, HCI_OP_LE_SET_ADV_ENABLE, status); +} + static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb) { __u8 status = *((__u8 *) skb->data); @@ -1165,6 +1331,11 @@ static void hci_cc_write_le_host_supported(struct hci_dev *hdev, hdev->host_features[0] |= LMP_HOST_LE; else hdev->host_features[0] &= ~LMP_HOST_LE; + + if (sent->simul) + hdev->host_features[0] |= LMP_HOST_LE_BREDR; + else + hdev->host_features[0] &= ~LMP_HOST_LE_BREDR; } if (test_bit(HCI_MGMT, &hdev->dev_flags) && @@ -1174,6 +1345,20 @@ static void hci_cc_write_le_host_supported(struct hci_dev *hdev, hci_req_complete(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, status); } +static void hci_cc_write_remote_amp_assoc(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_rp_write_remote_amp_assoc *rp = (void *) skb->data; + + BT_DBG("%s status 0x%2.2x phy_handle 0x%2.2x", + hdev->name, rp->status, rp->phy_handle); + + if (rp->status) + return; + + amp_write_rem_assoc_continue(hdev, rp->phy_handle); +} + static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status) { BT_DBG("%s status 0x%2.2x", hdev->name, status); @@ -1210,7 +1395,7 @@ static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status) conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr); - BT_DBG("%s bdaddr %s hcon %p", hdev->name, batostr(&cp->bdaddr), conn); + BT_DBG("%s bdaddr %pMR hcon %p", hdev->name, &cp->bdaddr, conn); if (status) { if (conn && conn->state == BT_CONNECT) { @@ -1639,8 +1824,7 @@ static void hci_cs_le_create_conn(struct hci_dev *hdev, __u8 status) return; } - BT_DBG("%s bdaddr %s conn %p", hdev->name, batostr(&conn->dst), - conn); + BT_DBG("%s bdaddr %pMR conn %p", hdev->name, &conn->dst, conn); conn->state = BT_CLOSED; mgmt_connect_failed(hdev, &conn->dst, conn->type, @@ -1657,6 +1841,52 @@ static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status) BT_DBG("%s status 0x%2.2x", hdev->name, status); } +static void hci_cs_create_phylink(struct hci_dev *hdev, u8 status) +{ + struct hci_cp_create_phy_link *cp; + + BT_DBG("%s status 0x%2.2x", hdev->name, status); + + cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_PHY_LINK); + if (!cp) + return; + + hci_dev_lock(hdev); + + if (status) { + struct hci_conn *hcon; + + hcon = hci_conn_hash_lookup_handle(hdev, cp->phy_handle); + if (hcon) + hci_conn_del(hcon); + } else { + amp_write_remote_assoc(hdev, cp->phy_handle); + } + + hci_dev_unlock(hdev); +} + +static void hci_cs_accept_phylink(struct hci_dev *hdev, u8 status) +{ + struct hci_cp_accept_phy_link *cp; + + BT_DBG("%s status 0x%2.2x", hdev->name, status); + + if (status) + return; + + cp = hci_sent_cmd_data(hdev, HCI_OP_ACCEPT_PHY_LINK); + if (!cp) + return; + + amp_write_remote_assoc(hdev, cp->phy_handle); +} + +static void hci_cs_create_logical_link(struct hci_dev *hdev, u8 status) +{ + BT_DBG("%s status 0x%2.2x", hdev->name, status); +} + static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) { __u8 status = *((__u8 *) skb->data); @@ -1817,15 +2047,53 @@ unlock: hci_conn_check_pending(hdev); } +void hci_conn_accept(struct hci_conn *conn, int mask) +{ + struct hci_dev *hdev = conn->hdev; + + BT_DBG("conn %p", conn); + + conn->state = BT_CONFIG; + + if (!lmp_esco_capable(hdev)) { + struct hci_cp_accept_conn_req cp; + + bacpy(&cp.bdaddr, &conn->dst); + + if (lmp_rswitch_capable(hdev) && (mask & HCI_LM_MASTER)) + cp.role = 0x00; /* Become master */ + else + cp.role = 0x01; /* Remain slave */ + + hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp), &cp); + } else /* lmp_esco_capable(hdev)) */ { + struct hci_cp_accept_sync_conn_req cp; + + bacpy(&cp.bdaddr, &conn->dst); + cp.pkt_type = cpu_to_le16(conn->pkt_type); + + cp.tx_bandwidth = __constant_cpu_to_le32(0x00001f40); + cp.rx_bandwidth = __constant_cpu_to_le32(0x00001f40); + cp.max_latency = __constant_cpu_to_le16(0xffff); + cp.content_format = cpu_to_le16(hdev->voice_setting); + cp.retrans_effort = 0xff; + + hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ, + sizeof(cp), &cp); + } +} + static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_ev_conn_request *ev = (void *) skb->data; int mask = hdev->link_mode; + __u8 flags = 0; - BT_DBG("%s bdaddr %s type 0x%x", hdev->name, batostr(&ev->bdaddr), + BT_DBG("%s bdaddr %pMR type 0x%x", hdev->name, &ev->bdaddr, ev->link_type); - mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type); + mask |= hci_proto_connect_ind(hdev, &ev->bdaddr, ev->link_type, + &flags); if ((mask & HCI_LM_ACCEPT) && !hci_blacklist_lookup(hdev, &ev->bdaddr)) { @@ -1851,12 +2119,13 @@ static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb) } memcpy(conn->dev_class, ev->dev_class, 3); - conn->state = BT_CONNECT; hci_dev_unlock(hdev); - if (ev->link_type == ACL_LINK || !lmp_esco_capable(hdev)) { + if (ev->link_type == ACL_LINK || + (!(flags & HCI_PROTO_DEFER) && !lmp_esco_capable(hdev))) { struct hci_cp_accept_conn_req cp; + conn->state = BT_CONNECT; bacpy(&cp.bdaddr, &ev->bdaddr); @@ -1867,8 +2136,9 @@ static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb) hci_send_cmd(hdev, HCI_OP_ACCEPT_CONN_REQ, sizeof(cp), &cp); - } else { + } else if (!(flags & HCI_PROTO_DEFER)) { struct hci_cp_accept_sync_conn_req cp; + conn->state = BT_CONNECT; bacpy(&cp.bdaddr, &ev->bdaddr); cp.pkt_type = cpu_to_le16(conn->pkt_type); @@ -1881,6 +2151,10 @@ static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb) hci_send_cmd(hdev, HCI_OP_ACCEPT_SYNC_CONN_REQ, sizeof(cp), &cp); + } else { + conn->state = BT_CONNECT2; + hci_proto_connect_cfm(conn, 0); + hci_conn_put(conn); } } else { /* Connection rejected */ @@ -2314,6 +2588,10 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) hci_cc_read_local_amp_info(hdev, skb); break; + case HCI_OP_READ_LOCAL_AMP_ASSOC: + hci_cc_read_local_amp_assoc(hdev, skb); + break; + case HCI_OP_DELETE_STORED_LINK_KEY: hci_cc_delete_stored_link_key(hdev, skb); break; @@ -2350,6 +2628,14 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) hci_cc_le_read_buffer_size(hdev, skb); break; + case HCI_OP_LE_READ_ADV_TX_POWER: + hci_cc_le_read_adv_tx_power(hdev, skb); + break; + + case HCI_OP_LE_SET_EVENT_MASK: + hci_cc_le_set_event_mask(hdev, skb); + break; + case HCI_OP_USER_CONFIRM_REPLY: hci_cc_user_confirm_reply(hdev, skb); break; @@ -2370,6 +2656,10 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) hci_cc_le_set_scan_param(hdev, skb); break; + case HCI_OP_LE_SET_ADV_ENABLE: + hci_cc_le_set_adv_enable(hdev, skb); + break; + case HCI_OP_LE_SET_SCAN_ENABLE: hci_cc_le_set_scan_enable(hdev, skb); break; @@ -2386,6 +2676,10 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) hci_cc_write_le_host_supported(hdev, skb); break; + case HCI_OP_WRITE_REMOTE_AMP_ASSOC: + hci_cc_write_remote_amp_assoc(hdev, skb); + break; + default: BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode); break; @@ -2467,6 +2761,18 @@ static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb) hci_cs_le_start_enc(hdev, ev->status); break; + case HCI_OP_CREATE_PHY_LINK: + hci_cs_create_phylink(hdev, ev->status); + break; + + case HCI_OP_ACCEPT_PHY_LINK: + hci_cs_accept_phylink(hdev, ev->status); + break; + + case HCI_OP_CREATE_LOGICAL_LINK: + hci_cs_create_logical_link(hdev, ev->status); + break; + default: BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode); break; @@ -2574,6 +2880,27 @@ static void hci_num_comp_pkts_evt(struct hci_dev *hdev, struct sk_buff *skb) queue_work(hdev->workqueue, &hdev->tx_work); } +static struct hci_conn *__hci_conn_lookup_handle(struct hci_dev *hdev, + __u16 handle) +{ + struct hci_chan *chan; + + switch (hdev->dev_type) { + case HCI_BREDR: + return hci_conn_hash_lookup_handle(hdev, handle); + case HCI_AMP: + chan = hci_chan_lookup_handle(hdev, handle); + if (chan) + return chan->conn; + break; + default: + BT_ERR("%s unknown dev_type %d", hdev->name, hdev->dev_type); + break; + } + + return NULL; +} + static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_ev_num_comp_blocks *ev = (void *) skb->data; @@ -2595,13 +2922,13 @@ static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb) for (i = 0; i < ev->num_hndl; i++) { struct hci_comp_blocks_info *info = &ev->handles[i]; - struct hci_conn *conn; + struct hci_conn *conn = NULL; __u16 handle, block_count; handle = __le16_to_cpu(info->handle); block_count = __le16_to_cpu(info->blocks); - conn = hci_conn_hash_lookup_handle(hdev, handle); + conn = __hci_conn_lookup_handle(hdev, handle); if (!conn) continue; @@ -2609,6 +2936,7 @@ static void hci_num_comp_blocks_evt(struct hci_dev *hdev, struct sk_buff *skb) switch (conn->type) { case ACL_LINK: + case AMP_LINK: hdev->block_cnt += block_count; if (hdev->block_cnt > hdev->num_blocks) hdev->block_cnt = hdev->num_blocks; @@ -2705,13 +3033,13 @@ static void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff *skb) key = hci_find_link_key(hdev, &ev->bdaddr); if (!key) { - BT_DBG("%s link key not found for %s", hdev->name, - batostr(&ev->bdaddr)); + BT_DBG("%s link key not found for %pMR", hdev->name, + &ev->bdaddr); goto not_found; } - BT_DBG("%s found key type %u for %s", hdev->name, key->type, - batostr(&ev->bdaddr)); + BT_DBG("%s found key type %u for %pMR", hdev->name, key->type, + &ev->bdaddr); if (!test_bit(HCI_DEBUG_KEYS, &hdev->dev_flags) && key->type == HCI_LK_DEBUG_COMBINATION) { @@ -3419,6 +3747,130 @@ unlock: hci_dev_unlock(hdev); } +static void hci_phy_link_complete_evt(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_ev_phy_link_complete *ev = (void *) skb->data; + struct hci_conn *hcon, *bredr_hcon; + + BT_DBG("%s handle 0x%2.2x status 0x%2.2x", hdev->name, ev->phy_handle, + ev->status); + + hci_dev_lock(hdev); + + hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle); + if (!hcon) { + hci_dev_unlock(hdev); + return; + } + + if (ev->status) { + hci_conn_del(hcon); + hci_dev_unlock(hdev); + return; + } + + bredr_hcon = hcon->amp_mgr->l2cap_conn->hcon; + + hcon->state = BT_CONNECTED; + bacpy(&hcon->dst, &bredr_hcon->dst); + + hci_conn_hold(hcon); + hcon->disc_timeout = HCI_DISCONN_TIMEOUT; + hci_conn_put(hcon); + + hci_conn_hold_device(hcon); + hci_conn_add_sysfs(hcon); + + amp_physical_cfm(bredr_hcon, hcon); + + hci_dev_unlock(hdev); +} + +static void hci_loglink_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) +{ + struct hci_ev_logical_link_complete *ev = (void *) skb->data; + struct hci_conn *hcon; + struct hci_chan *hchan; + struct amp_mgr *mgr; + + BT_DBG("%s log_handle 0x%4.4x phy_handle 0x%2.2x status 0x%2.2x", + hdev->name, le16_to_cpu(ev->handle), ev->phy_handle, + ev->status); + + hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle); + if (!hcon) + return; + + /* Create AMP hchan */ + hchan = hci_chan_create(hcon); + if (!hchan) + return; + + hchan->handle = le16_to_cpu(ev->handle); + + BT_DBG("hcon %p mgr %p hchan %p", hcon, hcon->amp_mgr, hchan); + + mgr = hcon->amp_mgr; + if (mgr && mgr->bredr_chan) { + struct l2cap_chan *bredr_chan = mgr->bredr_chan; + + l2cap_chan_lock(bredr_chan); + + bredr_chan->conn->mtu = hdev->block_mtu; + l2cap_logical_cfm(bredr_chan, hchan, 0); + hci_conn_hold(hcon); + + l2cap_chan_unlock(bredr_chan); + } +} + +static void hci_disconn_loglink_complete_evt(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_ev_disconn_logical_link_complete *ev = (void *) skb->data; + struct hci_chan *hchan; + + BT_DBG("%s log handle 0x%4.4x status 0x%2.2x", hdev->name, + le16_to_cpu(ev->handle), ev->status); + + if (ev->status) + return; + + hci_dev_lock(hdev); + + hchan = hci_chan_lookup_handle(hdev, le16_to_cpu(ev->handle)); + if (!hchan) + goto unlock; + + amp_destroy_logical_link(hchan, ev->reason); + +unlock: + hci_dev_unlock(hdev); +} + +static void hci_disconn_phylink_complete_evt(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_ev_disconn_phy_link_complete *ev = (void *) skb->data; + struct hci_conn *hcon; + + BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); + + if (ev->status) + return; + + hci_dev_lock(hdev); + + hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle); + if (hcon) { + hcon->state = BT_CLOSED; + hci_conn_del(hcon); + } + + hci_dev_unlock(hdev); +} + static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_ev_le_conn_complete *ev = (void *) skb->data; @@ -3558,6 +4010,22 @@ static void hci_le_meta_evt(struct hci_dev *hdev, struct sk_buff *skb) } } +static void hci_chan_selected_evt(struct hci_dev *hdev, struct sk_buff *skb) +{ + struct hci_ev_channel_selected *ev = (void *) skb->data; + struct hci_conn *hcon; + + BT_DBG("%s handle 0x%2.2x", hdev->name, ev->phy_handle); + + skb_pull(skb, sizeof(*ev)); + + hcon = hci_conn_hash_lookup_handle(hdev, ev->phy_handle); + if (!hcon) + return; + + amp_read_loc_assoc_final_data(hdev, hcon); +} + void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_event_hdr *hdr = (void *) skb->data; @@ -3722,10 +4190,30 @@ void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb) hci_le_meta_evt(hdev, skb); break; + case HCI_EV_CHANNEL_SELECTED: + hci_chan_selected_evt(hdev, skb); + break; + case HCI_EV_REMOTE_OOB_DATA_REQUEST: hci_remote_oob_data_request_evt(hdev, skb); break; + case HCI_EV_PHY_LINK_COMPLETE: + hci_phy_link_complete_evt(hdev, skb); + break; + + case HCI_EV_LOGICAL_LINK_COMPLETE: + hci_loglink_complete_evt(hdev, skb); + break; + + case HCI_EV_DISCONN_LOGICAL_LINK_COMPLETE: + hci_disconn_loglink_complete_evt(hdev, skb); + break; + + case HCI_EV_DISCONN_PHY_LINK_COMPLETE: + hci_disconn_phylink_complete_evt(hdev, skb); + break; + case HCI_EV_NUM_COMP_BLOCKS: hci_num_comp_blocks_evt(hdev, skb); break; diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c index a20e61c3653..55cceee02a8 100644 --- a/net/bluetooth/hci_sysfs.c +++ b/net/bluetooth/hci_sysfs.c @@ -38,7 +38,7 @@ static ssize_t show_link_address(struct device *dev, struct device_attribute *attr, char *buf) { struct hci_conn *conn = to_hci_conn(dev); - return sprintf(buf, "%s\n", batostr(&conn->dst)); + return sprintf(buf, "%pMR\n", &conn->dst); } static ssize_t show_link_features(struct device *dev, @@ -224,7 +224,7 @@ static ssize_t show_address(struct device *dev, struct device_attribute *attr, char *buf) { struct hci_dev *hdev = to_hci_dev(dev); - return sprintf(buf, "%s\n", batostr(&hdev->bdaddr)); + return sprintf(buf, "%pMR\n", &hdev->bdaddr); } static ssize_t show_features(struct device *dev, @@ -406,8 +406,8 @@ static int inquiry_cache_show(struct seq_file *f, void *p) list_for_each_entry(e, &cache->all, all) { struct inquiry_data *data = &e->data; - seq_printf(f, "%s %d %d %d 0x%.2x%.2x%.2x 0x%.4x %d %d %u\n", - batostr(&data->bdaddr), + seq_printf(f, "%pMR %d %d %d 0x%.2x%.2x%.2x 0x%.4x %d %d %u\n", + &data->bdaddr, data->pscan_rep_mode, data->pscan_period_mode, data->pscan_mode, data->dev_class[2], data->dev_class[1], data->dev_class[0], @@ -440,7 +440,7 @@ static int blacklist_show(struct seq_file *f, void *p) hci_dev_lock(hdev); list_for_each_entry(b, &hdev->blacklist, list) - seq_printf(f, "%s\n", batostr(&b->bdaddr)); + seq_printf(f, "%pMR\n", &b->bdaddr); hci_dev_unlock(hdev); diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c index ccd985da651..0c0028463fa 100644 --- a/net/bluetooth/hidp/core.c +++ b/net/bluetooth/hidp/core.c @@ -932,8 +932,12 @@ static int hidp_setup_hid(struct hidp_session *session, hid->country = req->country; strncpy(hid->name, req->name, 128); - strncpy(hid->phys, batostr(&bt_sk(session->ctrl_sock->sk)->src), 64); - strncpy(hid->uniq, batostr(&bt_sk(session->ctrl_sock->sk)->dst), 64); + + snprintf(hid->phys, sizeof(hid->phys), "%pMR", + &bt_sk(session->ctrl_sock->sk)->src); + + snprintf(hid->uniq, sizeof(hid->uniq), "%pMR", + &bt_sk(session->ctrl_sock->sk)->dst); hid->dev.parent = &session->conn->dev; hid->ll_driver = &hidp_hid_driver; diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index a91239dcda4..2c78208d793 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -38,6 +38,7 @@ #include <net/bluetooth/l2cap.h> #include <net/bluetooth/smp.h> #include <net/bluetooth/a2mp.h> +#include <net/bluetooth/amp.h> bool disable_ertm; @@ -48,19 +49,19 @@ static LIST_HEAD(chan_list); static DEFINE_RWLOCK(chan_list_lock); static struct sk_buff *l2cap_build_cmd(struct l2cap_conn *conn, - u8 code, u8 ident, u16 dlen, void *data); + u8 code, u8 ident, u16 dlen, void *data); static void l2cap_send_cmd(struct l2cap_conn *conn, u8 ident, u8 code, u16 len, - void *data); + void *data); static int l2cap_build_conf_req(struct l2cap_chan *chan, void *data); -static void l2cap_send_disconn_req(struct l2cap_conn *conn, - struct l2cap_chan *chan, int err); +static void l2cap_send_disconn_req(struct l2cap_chan *chan, int err); static void l2cap_tx(struct l2cap_chan *chan, struct l2cap_ctrl *control, - struct sk_buff_head *skbs, u8 event); + struct sk_buff_head *skbs, u8 event); /* ---- L2CAP channels ---- */ -static struct l2cap_chan *__l2cap_get_chan_by_dcid(struct l2cap_conn *conn, u16 cid) +static struct l2cap_chan *__l2cap_get_chan_by_dcid(struct l2cap_conn *conn, + u16 cid) { struct l2cap_chan *c; @@ -71,7 +72,8 @@ static struct l2cap_chan *__l2cap_get_chan_by_dcid(struct l2cap_conn *conn, u16 return NULL; } -static struct l2cap_chan *__l2cap_get_chan_by_scid(struct l2cap_conn *conn, u16 cid) +static struct l2cap_chan *__l2cap_get_chan_by_scid(struct l2cap_conn *conn, + u16 cid) { struct l2cap_chan *c; @@ -84,7 +86,8 @@ static struct l2cap_chan *__l2cap_get_chan_by_scid(struct l2cap_conn *conn, u16 /* Find channel with given SCID. * Returns locked channel. */ -static struct l2cap_chan *l2cap_get_chan_by_scid(struct l2cap_conn *conn, u16 cid) +static struct l2cap_chan *l2cap_get_chan_by_scid(struct l2cap_conn *conn, + u16 cid) { struct l2cap_chan *c; @@ -97,7 +100,25 @@ static struct l2cap_chan *l2cap_get_chan_by_scid(struct l2cap_conn *conn, u16 ci return c; } -static struct l2cap_chan *__l2cap_get_chan_by_ident(struct l2cap_conn *conn, u8 ident) +/* Find channel with given DCID. + * Returns locked channel. + */ +static struct l2cap_chan *l2cap_get_chan_by_dcid(struct l2cap_conn *conn, + u16 cid) +{ + struct l2cap_chan *c; + + mutex_lock(&conn->chan_lock); + c = __l2cap_get_chan_by_dcid(conn, cid); + if (c) + l2cap_chan_lock(c); + mutex_unlock(&conn->chan_lock); + + return c; +} + +static struct l2cap_chan *__l2cap_get_chan_by_ident(struct l2cap_conn *conn, + u8 ident) { struct l2cap_chan *c; @@ -108,6 +129,20 @@ static struct l2cap_chan *__l2cap_get_chan_by_ident(struct l2cap_conn *conn, u8 return NULL; } +static struct l2cap_chan *l2cap_get_chan_by_ident(struct l2cap_conn *conn, + u8 ident) +{ + struct l2cap_chan *c; + + mutex_lock(&conn->chan_lock); + c = __l2cap_get_chan_by_ident(conn, ident); + if (c) + l2cap_chan_lock(c); + mutex_unlock(&conn->chan_lock); + + return c; +} + static struct l2cap_chan *__l2cap_global_chan_by_addr(__le16 psm, bdaddr_t *src) { struct l2cap_chan *c; @@ -178,7 +213,7 @@ static u16 l2cap_alloc_cid(struct l2cap_conn *conn) static void __l2cap_state_change(struct l2cap_chan *chan, int state) { BT_DBG("chan %p %s -> %s", chan, state_to_string(chan->state), - state_to_string(state)); + state_to_string(state)); chan->state = state; chan->ops->state_change(chan, state); @@ -361,7 +396,7 @@ static void l2cap_seq_list_append(struct l2cap_seq_list *seq_list, u16 seq) static void l2cap_chan_timeout(struct work_struct *work) { struct l2cap_chan *chan = container_of(work, struct l2cap_chan, - chan_timer.work); + chan_timer.work); struct l2cap_conn *conn = chan->conn; int reason; @@ -373,7 +408,7 @@ static void l2cap_chan_timeout(struct work_struct *work) if (chan->state == BT_CONNECTED || chan->state == BT_CONFIG) reason = ECONNREFUSED; else if (chan->state == BT_CONNECT && - chan->sec_level != BT_SECURITY_SDP) + chan->sec_level != BT_SECURITY_SDP) reason = ECONNREFUSED; else reason = ETIMEDOUT; @@ -455,7 +490,7 @@ void l2cap_chan_set_defaults(struct l2cap_chan *chan) set_bit(FLAG_FORCE_ACTIVE, &chan->flags); } -static void __l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *chan) +void __l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *chan) { BT_DBG("conn %p, psm 0x%2.2x, dcid 0x%4.4x", conn, __le16_to_cpu(chan->psm), chan->dcid); @@ -504,7 +539,7 @@ static void __l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *chan) chan->local_msdu = L2CAP_DEFAULT_MAX_SDU_SIZE; chan->local_sdu_itime = L2CAP_DEFAULT_SDU_ITIME; chan->local_acc_lat = L2CAP_DEFAULT_ACC_LAT; - chan->local_flush_to = L2CAP_DEFAULT_FLUSH_TO; + chan->local_flush_to = L2CAP_EFS_DEFAULT_FLUSH_TO; l2cap_chan_hold(chan); @@ -527,6 +562,7 @@ void l2cap_chan_del(struct l2cap_chan *chan, int err) BT_DBG("chan %p, conn %p, err %d", chan, conn, err); if (conn) { + struct amp_mgr *mgr = conn->hcon->amp_mgr; /* Delete from channel list */ list_del(&chan->list); @@ -536,10 +572,19 @@ void l2cap_chan_del(struct l2cap_chan *chan, int err) if (chan->chan_type != L2CAP_CHAN_CONN_FIX_A2MP) hci_conn_put(conn->hcon); + + if (mgr && mgr->bredr_chan == chan) + mgr->bredr_chan = NULL; } - if (chan->ops->teardown) - chan->ops->teardown(chan, err); + if (chan->hs_hchan) { + struct hci_chan *hs_hchan = chan->hs_hchan; + + BT_DBG("chan %p disconnect hs_hchan %p", chan, hs_hchan); + amp_disconnect_logical_link(hs_hchan); + } + + chan->ops->teardown(chan, err); if (test_bit(CONF_NOT_COMPLETE, &chan->conf_state)) return; @@ -573,28 +618,27 @@ void l2cap_chan_close(struct l2cap_chan *chan, int reason) struct l2cap_conn *conn = chan->conn; struct sock *sk = chan->sk; - BT_DBG("chan %p state %s sk %p", chan, - state_to_string(chan->state), sk); + BT_DBG("chan %p state %s sk %p", chan, state_to_string(chan->state), + sk); switch (chan->state) { case BT_LISTEN: - if (chan->ops->teardown) - chan->ops->teardown(chan, 0); + chan->ops->teardown(chan, 0); break; case BT_CONNECTED: case BT_CONFIG: if (chan->chan_type == L2CAP_CHAN_CONN_ORIENTED && - conn->hcon->type == ACL_LINK) { + conn->hcon->type == ACL_LINK) { __set_chan_timer(chan, sk->sk_sndtimeo); - l2cap_send_disconn_req(conn, chan, reason); + l2cap_send_disconn_req(chan, reason); } else l2cap_chan_del(chan, reason); break; case BT_CONNECT2: if (chan->chan_type == L2CAP_CHAN_CONN_ORIENTED && - conn->hcon->type == ACL_LINK) { + conn->hcon->type == ACL_LINK) { struct l2cap_conn_rsp rsp; __u16 result; @@ -609,7 +653,7 @@ void l2cap_chan_close(struct l2cap_chan *chan, int reason) rsp.result = cpu_to_le16(result); rsp.status = __constant_cpu_to_le16(L2CAP_CS_NO_INFO); l2cap_send_cmd(conn, chan->ident, L2CAP_CONN_RSP, - sizeof(rsp), &rsp); + sizeof(rsp), &rsp); } l2cap_chan_del(chan, reason); @@ -621,8 +665,7 @@ void l2cap_chan_close(struct l2cap_chan *chan, int reason) break; default: - if (chan->ops->teardown) - chan->ops->teardown(chan, 0); + chan->ops->teardown(chan, 0); break; } } @@ -691,7 +734,8 @@ static u8 l2cap_get_ident(struct l2cap_conn *conn) return id; } -static void l2cap_send_cmd(struct l2cap_conn *conn, u8 ident, u8 code, u16 len, void *data) +static void l2cap_send_cmd(struct l2cap_conn *conn, u8 ident, u8 code, u16 len, + void *data) { struct sk_buff *skb = l2cap_build_cmd(conn, code, ident, len, data); u8 flags; @@ -712,16 +756,31 @@ static void l2cap_send_cmd(struct l2cap_conn *conn, u8 ident, u8 code, u16 len, hci_send_acl(conn->hchan, skb, flags); } +static bool __chan_is_moving(struct l2cap_chan *chan) +{ + return chan->move_state != L2CAP_MOVE_STABLE && + chan->move_state != L2CAP_MOVE_WAIT_PREPARE; +} + static void l2cap_do_send(struct l2cap_chan *chan, struct sk_buff *skb) { struct hci_conn *hcon = chan->conn->hcon; u16 flags; BT_DBG("chan %p, skb %p len %d priority %u", chan, skb, skb->len, - skb->priority); + skb->priority); + + if (chan->hs_hcon && !__chan_is_moving(chan)) { + if (chan->hs_hchan) + hci_send_acl(chan->hs_hchan, skb, ACL_COMPLETE); + else + kfree_skb(skb); + + return; + } if (!test_bit(FLAG_FLUSHABLE, &chan->flags) && - lmp_no_flush_capable(hcon->hdev)) + lmp_no_flush_capable(hcon->hdev)) flags = ACL_START_NO_FLUSH; else flags = ACL_START; @@ -895,6 +954,9 @@ static void l2cap_send_sframe(struct l2cap_chan *chan, if (!control->sframe) return; + if (__chan_is_moving(chan)) + return; + if (test_and_clear_bit(CONN_SEND_FBIT, &chan->conn_state) && !control->poll) control->final = 1; @@ -946,7 +1008,26 @@ static inline int __l2cap_no_conn_pending(struct l2cap_chan *chan) return !test_bit(CONF_CONNECT_PEND, &chan->conf_state); } -static void l2cap_send_conn_req(struct l2cap_chan *chan) +static bool __amp_capable(struct l2cap_chan *chan) +{ + struct l2cap_conn *conn = chan->conn; + + if (enable_hs && + hci_amp_capable() && + chan->chan_policy == BT_CHANNEL_POLICY_AMP_PREFERRED && + conn->fixed_chan_mask & L2CAP_FC_A2MP) + return true; + else + return false; +} + +static bool l2cap_check_efs(struct l2cap_chan *chan) +{ + /* Check EFS parameters */ + return true; +} + +void l2cap_send_conn_req(struct l2cap_chan *chan) { struct l2cap_conn *conn = chan->conn; struct l2cap_conn_req req; @@ -961,6 +1042,76 @@ static void l2cap_send_conn_req(struct l2cap_chan *chan) l2cap_send_cmd(conn, chan->ident, L2CAP_CONN_REQ, sizeof(req), &req); } +static void l2cap_send_create_chan_req(struct l2cap_chan *chan, u8 amp_id) +{ + struct l2cap_create_chan_req req; + req.scid = cpu_to_le16(chan->scid); + req.psm = chan->psm; + req.amp_id = amp_id; + + chan->ident = l2cap_get_ident(chan->conn); + + l2cap_send_cmd(chan->conn, chan->ident, L2CAP_CREATE_CHAN_REQ, + sizeof(req), &req); +} + +static void l2cap_move_setup(struct l2cap_chan *chan) +{ + struct sk_buff *skb; + + BT_DBG("chan %p", chan); + + if (chan->mode != L2CAP_MODE_ERTM) + return; + + __clear_retrans_timer(chan); + __clear_monitor_timer(chan); + __clear_ack_timer(chan); + + chan->retry_count = 0; + skb_queue_walk(&chan->tx_q, skb) { + if (bt_cb(skb)->control.retries) + bt_cb(skb)->control.retries = 1; + else + break; + } + + chan->expected_tx_seq = chan->buffer_seq; + + clear_bit(CONN_REJ_ACT, &chan->conn_state); + clear_bit(CONN_SREJ_ACT, &chan->conn_state); + l2cap_seq_list_clear(&chan->retrans_list); + l2cap_seq_list_clear(&chan->srej_list); + skb_queue_purge(&chan->srej_q); + + chan->tx_state = L2CAP_TX_STATE_XMIT; + chan->rx_state = L2CAP_RX_STATE_MOVE; + + set_bit(CONN_REMOTE_BUSY, &chan->conn_state); +} + +static void l2cap_move_done(struct l2cap_chan *chan) +{ + u8 move_role = chan->move_role; + BT_DBG("chan %p", chan); + + chan->move_state = L2CAP_MOVE_STABLE; + chan->move_role = L2CAP_MOVE_ROLE_NONE; + + if (chan->mode != L2CAP_MODE_ERTM) + return; + + switch (move_role) { + case L2CAP_MOVE_ROLE_INITIATOR: + l2cap_tx(chan, NULL, NULL, L2CAP_EV_EXPLICIT_POLL); + chan->rx_state = L2CAP_RX_STATE_WAIT_F; + break; + case L2CAP_MOVE_ROLE_RESPONDER: + chan->rx_state = L2CAP_RX_STATE_WAIT_P; + break; + } +} + static void l2cap_chan_ready(struct l2cap_chan *chan) { /* This clears all conf flags, including CONF_NOT_COMPLETE */ @@ -972,6 +1123,16 @@ static void l2cap_chan_ready(struct l2cap_chan *chan) chan->ops->ready(chan); } +static void l2cap_start_connection(struct l2cap_chan *chan) +{ + if (__amp_capable(chan)) { + BT_DBG("chan %p AMP capable: discover AMPs", chan); + a2mp_discover_amp(chan); + } else { + l2cap_send_conn_req(chan); + } +} + static void l2cap_do_start(struct l2cap_chan *chan) { struct l2cap_conn *conn = chan->conn; @@ -986,8 +1147,9 @@ static void l2cap_do_start(struct l2cap_chan *chan) return; if (l2cap_chan_check_security(chan) && - __l2cap_no_conn_pending(chan)) - l2cap_send_conn_req(chan); + __l2cap_no_conn_pending(chan)) { + l2cap_start_connection(chan); + } } else { struct l2cap_info_req req; req.type = __constant_cpu_to_le16(L2CAP_IT_FEAT_MASK); @@ -997,8 +1159,8 @@ static void l2cap_do_start(struct l2cap_chan *chan) schedule_delayed_work(&conn->info_timer, L2CAP_INFO_TIMEOUT); - l2cap_send_cmd(conn, conn->info_ident, - L2CAP_INFO_REQ, sizeof(req), &req); + l2cap_send_cmd(conn, conn->info_ident, L2CAP_INFO_REQ, + sizeof(req), &req); } } @@ -1018,9 +1180,10 @@ static inline int l2cap_mode_supported(__u8 mode, __u32 feat_mask) } } -static void l2cap_send_disconn_req(struct l2cap_conn *conn, struct l2cap_chan *chan, int err) +static void l2cap_send_disconn_req(struct l2cap_chan *chan, int err) { struct sock *sk = chan->sk; + struct l2cap_conn *conn = chan->conn; struct l2cap_disconn_req req; if (!conn) @@ -1033,14 +1196,14 @@ static void l2cap_send_disconn_req(struct l2cap_conn *conn, struct l2cap_chan *c } if (chan->chan_type == L2CAP_CHAN_CONN_FIX_A2MP) { - __l2cap_state_change(chan, BT_DISCONN); + l2cap_state_change(chan, BT_DISCONN); return; } req.dcid = cpu_to_le16(chan->dcid); req.scid = cpu_to_le16(chan->scid); - l2cap_send_cmd(conn, l2cap_get_ident(conn), - L2CAP_DISCONN_REQ, sizeof(req), &req); + l2cap_send_cmd(conn, l2cap_get_ident(conn), L2CAP_DISCONN_REQ, + sizeof(req), &req); lock_sock(sk); __l2cap_state_change(chan, BT_DISCONN); @@ -1069,20 +1232,20 @@ static void l2cap_conn_start(struct l2cap_conn *conn) if (chan->state == BT_CONNECT) { if (!l2cap_chan_check_security(chan) || - !__l2cap_no_conn_pending(chan)) { + !__l2cap_no_conn_pending(chan)) { l2cap_chan_unlock(chan); continue; } if (!l2cap_mode_supported(chan->mode, conn->feat_mask) - && test_bit(CONF_STATE2_DEVICE, + && test_bit(CONF_STATE2_DEVICE, &chan->conf_state)) { l2cap_chan_close(chan, ECONNRESET); l2cap_chan_unlock(chan); continue; } - l2cap_send_conn_req(chan); + l2cap_start_connection(chan); } else if (chan->state == BT_CONNECT2) { struct l2cap_conn_rsp rsp; @@ -1094,11 +1257,9 @@ static void l2cap_conn_start(struct l2cap_conn *conn) lock_sock(sk); if (test_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags)) { - struct sock *parent = bt_sk(sk)->parent; rsp.result = __constant_cpu_to_le16(L2CAP_CR_PEND); rsp.status = __constant_cpu_to_le16(L2CAP_CS_AUTHOR_PEND); - if (parent) - parent->sk_data_ready(parent, 0); + chan->ops->defer(chan); } else { __l2cap_state_change(chan, BT_CONFIG); @@ -1112,17 +1273,17 @@ static void l2cap_conn_start(struct l2cap_conn *conn) } l2cap_send_cmd(conn, chan->ident, L2CAP_CONN_RSP, - sizeof(rsp), &rsp); + sizeof(rsp), &rsp); if (test_bit(CONF_REQ_SENT, &chan->conf_state) || - rsp.result != L2CAP_CR_SUCCESS) { + rsp.result != L2CAP_CR_SUCCESS) { l2cap_chan_unlock(chan); continue; } set_bit(CONF_REQ_SENT, &chan->conf_state); l2cap_send_cmd(conn, l2cap_get_ident(conn), L2CAP_CONF_REQ, - l2cap_build_conf_req(chan, buf), buf); + l2cap_build_conf_req(chan, buf), buf); chan->num_conf_req++; } @@ -1204,8 +1365,6 @@ static void l2cap_le_conn_ready(struct l2cap_conn *conn) bacpy(&bt_sk(sk)->src, conn->src); bacpy(&bt_sk(sk)->dst, conn->dst); - bt_accept_enqueue(parent, sk); - l2cap_chan_add(conn, chan); l2cap_chan_ready(chan); @@ -1270,7 +1429,7 @@ static void l2cap_conn_unreliable(struct l2cap_conn *conn, int err) list_for_each_entry(chan, &conn->chan_l, list) { if (test_bit(FLAG_FORCE_RELIABLE, &chan->flags)) - __l2cap_chan_set_err(chan, err); + l2cap_chan_set_err(chan, err); } mutex_unlock(&conn->chan_lock); @@ -1279,7 +1438,7 @@ static void l2cap_conn_unreliable(struct l2cap_conn *conn, int err) static void l2cap_info_timeout(struct work_struct *work) { struct l2cap_conn *conn = container_of(work, struct l2cap_conn, - info_timer.work); + info_timer.work); conn->info_state |= L2CAP_INFO_FEAT_MASK_REQ_DONE; conn->info_ident = 0; @@ -1333,7 +1492,7 @@ static void l2cap_conn_del(struct hci_conn *hcon, int err) static void security_timeout(struct work_struct *work) { struct l2cap_conn *conn = container_of(work, struct l2cap_conn, - security_timer.work); + security_timer.work); BT_DBG("conn %p", conn); @@ -1355,7 +1514,7 @@ static struct l2cap_conn *l2cap_conn_add(struct hci_conn *hcon, u8 status) if (!hchan) return NULL; - conn = kzalloc(sizeof(struct l2cap_conn), GFP_ATOMIC); + conn = kzalloc(sizeof(struct l2cap_conn), GFP_KERNEL); if (!conn) { hci_chan_del(hchan); return NULL; @@ -1367,10 +1526,22 @@ static struct l2cap_conn *l2cap_conn_add(struct hci_conn *hcon, u8 status) BT_DBG("hcon %p conn %p hchan %p", hcon, conn, hchan); - if (hcon->hdev->le_mtu && hcon->type == LE_LINK) - conn->mtu = hcon->hdev->le_mtu; - else + switch (hcon->type) { + case AMP_LINK: + conn->mtu = hcon->hdev->block_mtu; + break; + + case LE_LINK: + if (hcon->hdev->le_mtu) { + conn->mtu = hcon->hdev->le_mtu; + break; + } + /* fall through */ + + default: conn->mtu = hcon->hdev->acl_mtu; + break; + } conn->src = &hcon->hdev->bdaddr; conn->dst = &hcon->dst; @@ -1448,7 +1619,7 @@ int l2cap_chan_connect(struct l2cap_chan *chan, __le16 psm, u16 cid, __u8 auth_type; int err; - BT_DBG("%s -> %s (type %u) psm 0x%2.2x", batostr(src), batostr(dst), + BT_DBG("%pMR -> %pMR (type %u) psm 0x%2.2x", src, dst, dst_type, __le16_to_cpu(psm)); hdev = hci_get_route(dst, src); @@ -1461,7 +1632,7 @@ int l2cap_chan_connect(struct l2cap_chan *chan, __le16 psm, u16 cid, /* PSM must be odd and lsb of upper byte must be 0 */ if ((__le16_to_cpu(psm) & 0x0101) != 0x0001 && !cid && - chan->chan_type != L2CAP_CHAN_RAW) { + chan->chan_type != L2CAP_CHAN_RAW) { err = -EINVAL; goto done; } @@ -1657,6 +1828,9 @@ static void l2cap_streaming_send(struct l2cap_chan *chan, BT_DBG("chan %p, skbs %p", chan, skbs); + if (__chan_is_moving(chan)) + return; + skb_queue_splice_tail_init(skbs, &chan->tx_q); while (!skb_queue_empty(&chan->tx_q)) { @@ -1699,6 +1873,9 @@ static int l2cap_ertm_send(struct l2cap_chan *chan) if (test_bit(CONN_REMOTE_BUSY, &chan->conn_state)) return 0; + if (__chan_is_moving(chan)) + return 0; + while (chan->tx_send_head && chan->unacked_frames < chan->remote_tx_win && chan->tx_state == L2CAP_TX_STATE_XMIT) { @@ -1764,13 +1941,16 @@ static void l2cap_ertm_resend(struct l2cap_chan *chan) if (test_bit(CONN_REMOTE_BUSY, &chan->conn_state)) return; + if (__chan_is_moving(chan)) + return; + while (chan->retrans_list.head != L2CAP_SEQ_LIST_CLEAR) { seq = l2cap_seq_list_pop(&chan->retrans_list); skb = l2cap_ertm_seq_in_queue(&chan->tx_q, seq); if (!skb) { BT_DBG("Error: Can't retransmit seq %d, frame missing", - seq); + seq); continue; } @@ -1780,7 +1960,7 @@ static void l2cap_ertm_resend(struct l2cap_chan *chan) if (chan->max_tx != 0 && bt_cb(skb)->control.retries > chan->max_tx) { BT_DBG("Retry limit exceeded (%d)", chan->max_tx); - l2cap_send_disconn_req(chan->conn, chan, ECONNRESET); + l2cap_send_disconn_req(chan, ECONNRESET); l2cap_seq_list_clear(&chan->retrans_list); break; } @@ -1795,9 +1975,9 @@ static void l2cap_ertm_resend(struct l2cap_chan *chan) /* Cloned sk_buffs are read-only, so we need a * writeable copy */ - tx_skb = skb_copy(skb, GFP_ATOMIC); + tx_skb = skb_copy(skb, GFP_KERNEL); } else { - tx_skb = skb_clone(skb, GFP_ATOMIC); + tx_skb = skb_clone(skb, GFP_KERNEL); } if (!tx_skb) { @@ -1855,7 +2035,7 @@ static void l2cap_retransmit_all(struct l2cap_chan *chan, if (chan->unacked_frames) { skb_queue_walk(&chan->tx_q, skb) { if (bt_cb(skb)->control.txseq == control->reqseq || - skb == chan->tx_send_head) + skb == chan->tx_send_head) break; } @@ -2106,7 +2286,9 @@ static int l2cap_segment_sdu(struct l2cap_chan *chan, /* PDU size is derived from the HCI MTU */ pdu_len = chan->conn->mtu; - pdu_len = min_t(size_t, pdu_len, L2CAP_BREDR_MAX_PAYLOAD); + /* Constrain PDU size for BR/EDR connections */ + if (!chan->hs_hcon) + pdu_len = min_t(size_t, pdu_len, L2CAP_BREDR_MAX_PAYLOAD); /* Adjust for largest possible L2CAP overhead. */ if (chan->fcs) @@ -2156,7 +2338,7 @@ static int l2cap_segment_sdu(struct l2cap_chan *chan, } int l2cap_chan_send(struct l2cap_chan *chan, struct msghdr *msg, size_t len, - u32 priority) + u32 priority) { struct sk_buff *skb; int err; @@ -2484,7 +2666,7 @@ static void l2cap_tx_state_wait_f(struct l2cap_chan *chan, __set_monitor_timer(chan); chan->retry_count++; } else { - l2cap_send_disconn_req(chan->conn, chan, ECONNABORTED); + l2cap_send_disconn_req(chan, ECONNABORTED); } break; default: @@ -2543,7 +2725,7 @@ static void l2cap_raw_recv(struct l2cap_conn *conn, struct sk_buff *skb) /* Don't send frame to the socket it came from */ if (skb->sk == sk) continue; - nskb = skb_clone(skb, GFP_ATOMIC); + nskb = skb_clone(skb, GFP_KERNEL); if (!nskb) continue; @@ -2569,7 +2751,7 @@ static struct sk_buff *l2cap_build_cmd(struct l2cap_conn *conn, u8 code, len = L2CAP_HDR_SIZE + L2CAP_CMD_HDR_SIZE + dlen; count = min_t(unsigned int, conn->mtu, len); - skb = bt_skb_alloc(count, GFP_ATOMIC); + skb = bt_skb_alloc(count, GFP_KERNEL); if (!skb) return NULL; @@ -2599,7 +2781,7 @@ static struct sk_buff *l2cap_build_cmd(struct l2cap_conn *conn, u8 code, while (len) { count = min_t(unsigned int, conn->mtu, len); - *frag = bt_skb_alloc(count, GFP_ATOMIC); + *frag = bt_skb_alloc(count, GFP_KERNEL); if (!*frag) goto fail; @@ -2618,7 +2800,8 @@ fail: return NULL; } -static inline int l2cap_get_conf_opt(void **ptr, int *type, int *olen, unsigned long *val) +static inline int l2cap_get_conf_opt(void **ptr, int *type, int *olen, + unsigned long *val) { struct l2cap_conf_opt *opt = *ptr; int len; @@ -2692,7 +2875,7 @@ static void l2cap_add_opt_efs(void **ptr, struct l2cap_chan *chan) efs.msdu = cpu_to_le16(chan->local_msdu); efs.sdu_itime = cpu_to_le32(chan->local_sdu_itime); efs.acc_lat = __constant_cpu_to_le32(L2CAP_DEFAULT_ACC_LAT); - efs.flush_to = __constant_cpu_to_le32(L2CAP_DEFAULT_FLUSH_TO); + efs.flush_to = __constant_cpu_to_le32(L2CAP_EFS_DEFAULT_FLUSH_TO); break; case L2CAP_MODE_STREAMING: @@ -2709,7 +2892,7 @@ static void l2cap_add_opt_efs(void **ptr, struct l2cap_chan *chan) } l2cap_add_conf_opt(ptr, L2CAP_CONF_EFS, sizeof(efs), - (unsigned long) &efs); + (unsigned long) &efs); } static void l2cap_ack_timeout(struct work_struct *work) @@ -2749,6 +2932,11 @@ int l2cap_ertm_init(struct l2cap_chan *chan) skb_queue_head_init(&chan->tx_q); + chan->local_amp_id = 0; + chan->move_id = 0; + chan->move_state = L2CAP_MOVE_STABLE; + chan->move_role = L2CAP_MOVE_ROLE_NONE; + if (chan->mode != L2CAP_MODE_ERTM) return 0; @@ -2795,16 +2983,54 @@ static inline bool __l2cap_efs_supported(struct l2cap_chan *chan) return enable_hs && chan->conn->feat_mask & L2CAP_FEAT_EXT_FLOW; } +static void __l2cap_set_ertm_timeouts(struct l2cap_chan *chan, + struct l2cap_conf_rfc *rfc) +{ + if (chan->local_amp_id && chan->hs_hcon) { + u64 ertm_to = chan->hs_hcon->hdev->amp_be_flush_to; + + /* Class 1 devices have must have ERTM timeouts + * exceeding the Link Supervision Timeout. The + * default Link Supervision Timeout for AMP + * controllers is 10 seconds. + * + * Class 1 devices use 0xffffffff for their + * best-effort flush timeout, so the clamping logic + * will result in a timeout that meets the above + * requirement. ERTM timeouts are 16-bit values, so + * the maximum timeout is 65.535 seconds. + */ + + /* Convert timeout to milliseconds and round */ + ertm_to = DIV_ROUND_UP_ULL(ertm_to, 1000); + + /* This is the recommended formula for class 2 devices + * that start ERTM timers when packets are sent to the + * controller. + */ + ertm_to = 3 * ertm_to + 500; + + if (ertm_to > 0xffff) + ertm_to = 0xffff; + + rfc->retrans_timeout = cpu_to_le16((u16) ertm_to); + rfc->monitor_timeout = rfc->retrans_timeout; + } else { + rfc->retrans_timeout = __constant_cpu_to_le16(L2CAP_DEFAULT_RETRANS_TO); + rfc->monitor_timeout = __constant_cpu_to_le16(L2CAP_DEFAULT_MONITOR_TO); + } +} + static inline void l2cap_txwin_setup(struct l2cap_chan *chan) { if (chan->tx_win > L2CAP_DEFAULT_TX_WINDOW && - __l2cap_ews_supported(chan)) { + __l2cap_ews_supported(chan)) { /* use extended control field */ set_bit(FLAG_EXT_CTRL, &chan->flags); chan->tx_win_max = L2CAP_DEFAULT_EXT_WINDOW; } else { chan->tx_win = min_t(u16, chan->tx_win, - L2CAP_DEFAULT_TX_WINDOW); + L2CAP_DEFAULT_TX_WINDOW); chan->tx_win_max = L2CAP_DEFAULT_TX_WINDOW; } chan->ack_win = chan->tx_win; @@ -2844,7 +3070,7 @@ done: switch (chan->mode) { case L2CAP_MODE_BASIC: if (!(chan->conn->feat_mask & L2CAP_FEAT_ERTM) && - !(chan->conn->feat_mask & L2CAP_FEAT_STREAMING)) + !(chan->conn->feat_mask & L2CAP_FEAT_STREAMING)) break; rfc.mode = L2CAP_MODE_BASIC; @@ -2855,44 +3081,42 @@ done: rfc.max_pdu_size = 0; l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC, sizeof(rfc), - (unsigned long) &rfc); + (unsigned long) &rfc); break; case L2CAP_MODE_ERTM: rfc.mode = L2CAP_MODE_ERTM; rfc.max_transmit = chan->max_tx; - rfc.retrans_timeout = 0; - rfc.monitor_timeout = 0; + + __l2cap_set_ertm_timeouts(chan, &rfc); size = min_t(u16, L2CAP_DEFAULT_MAX_PDU_SIZE, chan->conn->mtu - - L2CAP_EXT_HDR_SIZE - - L2CAP_SDULEN_SIZE - - L2CAP_FCS_SIZE); + L2CAP_EXT_HDR_SIZE - L2CAP_SDULEN_SIZE - + L2CAP_FCS_SIZE); rfc.max_pdu_size = cpu_to_le16(size); l2cap_txwin_setup(chan); rfc.txwin_size = min_t(u16, chan->tx_win, - L2CAP_DEFAULT_TX_WINDOW); + L2CAP_DEFAULT_TX_WINDOW); l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC, sizeof(rfc), - (unsigned long) &rfc); + (unsigned long) &rfc); if (test_bit(FLAG_EFS_ENABLE, &chan->flags)) l2cap_add_opt_efs(&ptr, chan); - if (!(chan->conn->feat_mask & L2CAP_FEAT_FCS)) - break; - - if (chan->fcs == L2CAP_FCS_NONE || - test_bit(CONF_NO_FCS_RECV, &chan->conf_state)) { - chan->fcs = L2CAP_FCS_NONE; - l2cap_add_conf_opt(&ptr, L2CAP_CONF_FCS, 1, chan->fcs); - } - if (test_bit(FLAG_EXT_CTRL, &chan->flags)) l2cap_add_conf_opt(&ptr, L2CAP_CONF_EWS, 2, - chan->tx_win); + chan->tx_win); + + if (chan->conn->feat_mask & L2CAP_FEAT_FCS) + if (chan->fcs == L2CAP_FCS_NONE || + test_bit(CONF_RECV_NO_FCS, &chan->conf_state)) { + chan->fcs = L2CAP_FCS_NONE; + l2cap_add_conf_opt(&ptr, L2CAP_CONF_FCS, 1, + chan->fcs); + } break; case L2CAP_MODE_STREAMING: @@ -2904,25 +3128,23 @@ done: rfc.monitor_timeout = 0; size = min_t(u16, L2CAP_DEFAULT_MAX_PDU_SIZE, chan->conn->mtu - - L2CAP_EXT_HDR_SIZE - - L2CAP_SDULEN_SIZE - - L2CAP_FCS_SIZE); + L2CAP_EXT_HDR_SIZE - L2CAP_SDULEN_SIZE - + L2CAP_FCS_SIZE); rfc.max_pdu_size = cpu_to_le16(size); l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC, sizeof(rfc), - (unsigned long) &rfc); + (unsigned long) &rfc); if (test_bit(FLAG_EFS_ENABLE, &chan->flags)) l2cap_add_opt_efs(&ptr, chan); - if (!(chan->conn->feat_mask & L2CAP_FEAT_FCS)) - break; - - if (chan->fcs == L2CAP_FCS_NONE || - test_bit(CONF_NO_FCS_RECV, &chan->conf_state)) { - chan->fcs = L2CAP_FCS_NONE; - l2cap_add_conf_opt(&ptr, L2CAP_CONF_FCS, 1, chan->fcs); - } + if (chan->conn->feat_mask & L2CAP_FEAT_FCS) + if (chan->fcs == L2CAP_FCS_NONE || + test_bit(CONF_RECV_NO_FCS, &chan->conf_state)) { + chan->fcs = L2CAP_FCS_NONE; + l2cap_add_conf_opt(&ptr, L2CAP_CONF_FCS, 1, + chan->fcs); + } break; } @@ -2974,7 +3196,7 @@ static int l2cap_parse_conf_req(struct l2cap_chan *chan, void *data) case L2CAP_CONF_FCS: if (val == L2CAP_FCS_NONE) - set_bit(CONF_NO_FCS_RECV, &chan->conf_state); + set_bit(CONF_RECV_NO_FCS, &chan->conf_state); break; case L2CAP_CONF_EFS: @@ -3011,7 +3233,7 @@ static int l2cap_parse_conf_req(struct l2cap_chan *chan, void *data) case L2CAP_MODE_ERTM: if (!test_bit(CONF_STATE2_DEVICE, &chan->conf_state)) { chan->mode = l2cap_select_mode(rfc.mode, - chan->conn->feat_mask); + chan->conn->feat_mask); break; } @@ -3036,8 +3258,8 @@ done: if (chan->num_conf_rsp == 1) return -ECONNREFUSED; - l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC, - sizeof(rfc), (unsigned long) &rfc); + l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC, sizeof(rfc), + (unsigned long) &rfc); } if (result == L2CAP_CONF_SUCCESS) { @@ -3054,8 +3276,8 @@ done: if (remote_efs) { if (chan->local_stype != L2CAP_SERV_NOTRAFIC && - efs.stype != L2CAP_SERV_NOTRAFIC && - efs.stype != chan->local_stype) { + efs.stype != L2CAP_SERV_NOTRAFIC && + efs.stype != chan->local_stype) { result = L2CAP_CONF_UNACCEPT; @@ -3063,8 +3285,8 @@ done: return -ECONNREFUSED; l2cap_add_conf_opt(&ptr, L2CAP_CONF_EFS, - sizeof(efs), - (unsigned long) &efs); + sizeof(efs), + (unsigned long) &efs); } else { /* Send PENDING Conf Rsp */ result = L2CAP_CONF_PENDING; @@ -3087,51 +3309,45 @@ done: chan->remote_max_tx = rfc.max_transmit; size = min_t(u16, le16_to_cpu(rfc.max_pdu_size), - chan->conn->mtu - - L2CAP_EXT_HDR_SIZE - - L2CAP_SDULEN_SIZE - - L2CAP_FCS_SIZE); + chan->conn->mtu - L2CAP_EXT_HDR_SIZE - + L2CAP_SDULEN_SIZE - L2CAP_FCS_SIZE); rfc.max_pdu_size = cpu_to_le16(size); chan->remote_mps = size; - rfc.retrans_timeout = - __constant_cpu_to_le16(L2CAP_DEFAULT_RETRANS_TO); - rfc.monitor_timeout = - __constant_cpu_to_le16(L2CAP_DEFAULT_MONITOR_TO); + __l2cap_set_ertm_timeouts(chan, &rfc); set_bit(CONF_MODE_DONE, &chan->conf_state); l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC, - sizeof(rfc), (unsigned long) &rfc); + sizeof(rfc), (unsigned long) &rfc); if (test_bit(FLAG_EFS_ENABLE, &chan->flags)) { chan->remote_id = efs.id; chan->remote_stype = efs.stype; chan->remote_msdu = le16_to_cpu(efs.msdu); chan->remote_flush_to = - le32_to_cpu(efs.flush_to); + le32_to_cpu(efs.flush_to); chan->remote_acc_lat = - le32_to_cpu(efs.acc_lat); + le32_to_cpu(efs.acc_lat); chan->remote_sdu_itime = le32_to_cpu(efs.sdu_itime); l2cap_add_conf_opt(&ptr, L2CAP_CONF_EFS, - sizeof(efs), (unsigned long) &efs); + sizeof(efs), + (unsigned long) &efs); } break; case L2CAP_MODE_STREAMING: size = min_t(u16, le16_to_cpu(rfc.max_pdu_size), - chan->conn->mtu - - L2CAP_EXT_HDR_SIZE - - L2CAP_SDULEN_SIZE - - L2CAP_FCS_SIZE); + chan->conn->mtu - L2CAP_EXT_HDR_SIZE - + L2CAP_SDULEN_SIZE - L2CAP_FCS_SIZE); rfc.max_pdu_size = cpu_to_le16(size); chan->remote_mps = size; set_bit(CONF_MODE_DONE, &chan->conf_state); - l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC, - sizeof(rfc), (unsigned long) &rfc); + l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC, sizeof(rfc), + (unsigned long) &rfc); break; @@ -3152,7 +3368,8 @@ done: return ptr - data; } -static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len, void *data, u16 *result) +static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len, + void *data, u16 *result) { struct l2cap_conf_req *req = data; void *ptr = req->data; @@ -3179,7 +3396,7 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len, voi case L2CAP_CONF_FLUSH_TO: chan->flush_to = val; l2cap_add_conf_opt(&ptr, L2CAP_CONF_FLUSH_TO, - 2, chan->flush_to); + 2, chan->flush_to); break; case L2CAP_CONF_RFC: @@ -3187,13 +3404,13 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len, voi memcpy(&rfc, (void *)val, olen); if (test_bit(CONF_STATE2_DEVICE, &chan->conf_state) && - rfc.mode != chan->mode) + rfc.mode != chan->mode) return -ECONNREFUSED; chan->fcs = 0; l2cap_add_conf_opt(&ptr, L2CAP_CONF_RFC, - sizeof(rfc), (unsigned long) &rfc); + sizeof(rfc), (unsigned long) &rfc); break; case L2CAP_CONF_EWS: @@ -3207,12 +3424,19 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len, voi memcpy(&efs, (void *)val, olen); if (chan->local_stype != L2CAP_SERV_NOTRAFIC && - efs.stype != L2CAP_SERV_NOTRAFIC && - efs.stype != chan->local_stype) + 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); + l2cap_add_conf_opt(&ptr, L2CAP_CONF_EFS, sizeof(efs), + (unsigned long) &efs); + break; + + case L2CAP_CONF_FCS: + if (*result == L2CAP_CONF_PENDING) + if (val == L2CAP_FCS_NONE) + set_bit(CONF_RECV_NO_FCS, + &chan->conf_state); break; } } @@ -3235,10 +3459,10 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len, voi 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); + 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); + le32_to_cpu(efs.flush_to); } break; @@ -3253,7 +3477,8 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len, voi return ptr - data; } -static int l2cap_build_conf_rsp(struct l2cap_chan *chan, void *data, u16 result, u16 flags) +static int l2cap_build_conf_rsp(struct l2cap_chan *chan, void *data, + u16 result, u16 flags) { struct l2cap_conf_rsp *rsp = data; void *ptr = rsp->data; @@ -3272,19 +3497,27 @@ void __l2cap_connect_rsp_defer(struct l2cap_chan *chan) struct l2cap_conn_rsp rsp; struct l2cap_conn *conn = chan->conn; u8 buf[128]; + u8 rsp_code; rsp.scid = cpu_to_le16(chan->dcid); rsp.dcid = cpu_to_le16(chan->scid); rsp.result = __constant_cpu_to_le16(L2CAP_CR_SUCCESS); rsp.status = __constant_cpu_to_le16(L2CAP_CS_NO_INFO); - l2cap_send_cmd(conn, chan->ident, - L2CAP_CONN_RSP, sizeof(rsp), &rsp); + + if (chan->hs_hcon) + rsp_code = L2CAP_CREATE_CHAN_RSP; + else + rsp_code = L2CAP_CONN_RSP; + + BT_DBG("chan %p rsp_code %u", chan, rsp_code); + + l2cap_send_cmd(conn, chan->ident, rsp_code, sizeof(rsp), &rsp); if (test_and_set_bit(CONF_REQ_SENT, &chan->conf_state)) return; l2cap_send_cmd(conn, l2cap_get_ident(conn), L2CAP_CONF_REQ, - l2cap_build_conf_req(chan, buf), buf); + l2cap_build_conf_req(chan, buf), buf); chan->num_conf_req++; } @@ -3339,7 +3572,8 @@ static void l2cap_conf_rfc_get(struct l2cap_chan *chan, void *rsp, int len) } } -static inline int l2cap_command_rej(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data) +static inline int l2cap_command_rej(struct l2cap_conn *conn, + struct l2cap_cmd_hdr *cmd, u8 *data) { struct l2cap_cmd_rej_unk *rej = (struct l2cap_cmd_rej_unk *) data; @@ -3347,7 +3581,7 @@ static inline int l2cap_command_rej(struct l2cap_conn *conn, struct l2cap_cmd_hd return 0; if ((conn->info_state & L2CAP_INFO_FEAT_MASK_REQ_SENT) && - cmd->ident == conn->info_ident) { + cmd->ident == conn->info_ident) { cancel_delayed_work(&conn->info_timer); conn->info_state |= L2CAP_INFO_FEAT_MASK_REQ_DONE; @@ -3359,7 +3593,9 @@ static inline int l2cap_command_rej(struct l2cap_conn *conn, struct l2cap_cmd_hd return 0; } -static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data) +static struct l2cap_chan *l2cap_connect(struct l2cap_conn *conn, + struct l2cap_cmd_hdr *cmd, + u8 *data, u8 rsp_code, u8 amp_id) { struct l2cap_conn_req *req = (struct l2cap_conn_req *) data; struct l2cap_conn_rsp rsp; @@ -3386,7 +3622,7 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd /* Check if the ACL is secure enough (if not SDP) */ if (psm != __constant_cpu_to_le16(L2CAP_PSM_SDP) && - !hci_conn_check_link_mode(conn->hcon)) { + !hci_conn_check_link_mode(conn->hcon)) { conn->disc_reason = HCI_ERROR_AUTH_FAILURE; result = L2CAP_CR_SEC_BLOCK; goto response; @@ -3410,8 +3646,7 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd bacpy(&bt_sk(sk)->dst, conn->dst); chan->psm = psm; chan->dcid = scid; - - bt_accept_enqueue(parent, sk); + chan->local_amp_id = amp_id; __l2cap_chan_add(conn, chan); @@ -3427,10 +3662,19 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd __l2cap_state_change(chan, BT_CONNECT2); result = L2CAP_CR_PEND; status = L2CAP_CS_AUTHOR_PEND; - parent->sk_data_ready(parent, 0); + chan->ops->defer(chan); } else { - __l2cap_state_change(chan, BT_CONFIG); - result = L2CAP_CR_SUCCESS; + /* Force pending result for AMP controllers. + * The connection will succeed after the + * physical link is up. + */ + if (amp_id) { + __l2cap_state_change(chan, BT_CONNECT2); + result = L2CAP_CR_PEND; + } else { + __l2cap_state_change(chan, BT_CONFIG); + result = L2CAP_CR_SUCCESS; + } status = L2CAP_CS_NO_INFO; } } else { @@ -3453,7 +3697,7 @@ sendresp: rsp.dcid = cpu_to_le16(dcid); rsp.result = cpu_to_le16(result); rsp.status = cpu_to_le16(status); - l2cap_send_cmd(conn, cmd->ident, L2CAP_CONN_RSP, sizeof(rsp), &rsp); + l2cap_send_cmd(conn, cmd->ident, rsp_code, sizeof(rsp), &rsp); if (result == L2CAP_CR_PEND && status == L2CAP_CS_NO_INFO) { struct l2cap_info_req info; @@ -3464,23 +3708,31 @@ sendresp: schedule_delayed_work(&conn->info_timer, L2CAP_INFO_TIMEOUT); - l2cap_send_cmd(conn, conn->info_ident, - L2CAP_INFO_REQ, sizeof(info), &info); + l2cap_send_cmd(conn, conn->info_ident, L2CAP_INFO_REQ, + sizeof(info), &info); } if (chan && !test_bit(CONF_REQ_SENT, &chan->conf_state) && - result == L2CAP_CR_SUCCESS) { + result == L2CAP_CR_SUCCESS) { u8 buf[128]; set_bit(CONF_REQ_SENT, &chan->conf_state); l2cap_send_cmd(conn, l2cap_get_ident(conn), L2CAP_CONF_REQ, - l2cap_build_conf_req(chan, buf), buf); + l2cap_build_conf_req(chan, buf), buf); chan->num_conf_req++; } + return chan; +} + +static int l2cap_connect_req(struct l2cap_conn *conn, + struct l2cap_cmd_hdr *cmd, u8 *data) +{ + l2cap_connect(conn, cmd, data, L2CAP_CONN_RSP, 0); return 0; } -static inline int l2cap_connect_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data) +static int l2cap_connect_create_rsp(struct l2cap_conn *conn, + struct l2cap_cmd_hdr *cmd, u8 *data) { struct l2cap_conn_rsp *rsp = (struct l2cap_conn_rsp *) data; u16 scid, dcid, result, status; @@ -3494,7 +3746,7 @@ static inline int l2cap_connect_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hd status = __le16_to_cpu(rsp->status); BT_DBG("dcid 0x%4.4x scid 0x%4.4x result 0x%2.2x status 0x%2.2x", - dcid, scid, result, status); + dcid, scid, result, status); mutex_lock(&conn->chan_lock); @@ -3527,7 +3779,7 @@ static inline int l2cap_connect_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hd break; l2cap_send_cmd(conn, l2cap_get_ident(conn), L2CAP_CONF_REQ, - l2cap_build_conf_req(chan, req), req); + l2cap_build_conf_req(chan, req), req); chan->num_conf_req++; break; @@ -3555,11 +3807,29 @@ static inline void set_default_fcs(struct l2cap_chan *chan) */ if (chan->mode != L2CAP_MODE_ERTM && chan->mode != L2CAP_MODE_STREAMING) chan->fcs = L2CAP_FCS_NONE; - else if (!test_bit(CONF_NO_FCS_RECV, &chan->conf_state)) + else if (!test_bit(CONF_RECV_NO_FCS, &chan->conf_state)) chan->fcs = L2CAP_FCS_CRC16; } -static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u16 cmd_len, u8 *data) +static void l2cap_send_efs_conf_rsp(struct l2cap_chan *chan, void *data, + u8 ident, u16 flags) +{ + struct l2cap_conn *conn = chan->conn; + + BT_DBG("conn %p chan %p ident %d flags 0x%4.4x", conn, chan, ident, + flags); + + clear_bit(CONF_LOC_CONF_PEND, &chan->conf_state); + set_bit(CONF_OUTPUT_DONE, &chan->conf_state); + + l2cap_send_cmd(conn, ident, L2CAP_CONF_RSP, + l2cap_build_conf_rsp(chan, data, + L2CAP_CONF_SUCCESS, flags), data); +} + +static inline int l2cap_config_req(struct l2cap_conn *conn, + struct l2cap_cmd_hdr *cmd, u16 cmd_len, + u8 *data) { struct l2cap_conf_req *req = (struct l2cap_conf_req *) data; u16 dcid, flags; @@ -3584,7 +3854,7 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr rej.dcid = cpu_to_le16(chan->dcid); l2cap_send_cmd(conn, cmd->ident, L2CAP_COMMAND_REJ, - sizeof(rej), &rej); + sizeof(rej), &rej); goto unlock; } @@ -3592,8 +3862,8 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr len = cmd_len - sizeof(*req); if (len < 0 || chan->conf_len + len > sizeof(chan->conf_req)) { l2cap_send_cmd(conn, cmd->ident, L2CAP_CONF_RSP, - l2cap_build_conf_rsp(chan, rsp, - L2CAP_CONF_REJECT, flags), rsp); + l2cap_build_conf_rsp(chan, rsp, + L2CAP_CONF_REJECT, flags), rsp); goto unlock; } @@ -3604,18 +3874,19 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr if (flags & L2CAP_CONF_FLAG_CONTINUATION) { /* Incomplete config. Send empty response. */ l2cap_send_cmd(conn, cmd->ident, L2CAP_CONF_RSP, - l2cap_build_conf_rsp(chan, rsp, - L2CAP_CONF_SUCCESS, flags), rsp); + l2cap_build_conf_rsp(chan, rsp, + L2CAP_CONF_SUCCESS, flags), rsp); goto unlock; } /* Complete config. */ len = l2cap_parse_conf_req(chan, rsp); if (len < 0) { - l2cap_send_disconn_req(conn, chan, ECONNRESET); + l2cap_send_disconn_req(chan, ECONNRESET); goto unlock; } + chan->ident = cmd->ident; l2cap_send_cmd(conn, cmd->ident, L2CAP_CONF_RSP, len, rsp); chan->num_conf_rsp++; @@ -3633,7 +3904,7 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr err = l2cap_ertm_init(chan); if (err < 0) - l2cap_send_disconn_req(chan->conn, chan, -err); + l2cap_send_disconn_req(chan, -err); else l2cap_chan_ready(chan); @@ -3643,23 +3914,22 @@ static inline int l2cap_config_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr if (!test_and_set_bit(CONF_REQ_SENT, &chan->conf_state)) { u8 buf[64]; l2cap_send_cmd(conn, l2cap_get_ident(conn), L2CAP_CONF_REQ, - l2cap_build_conf_req(chan, buf), buf); + l2cap_build_conf_req(chan, buf), buf); chan->num_conf_req++; } /* Got Conf Rsp PENDING from remote side and asume we sent Conf Rsp PENDING in the code above */ if (test_bit(CONF_REM_CONF_PEND, &chan->conf_state) && - test_bit(CONF_LOC_CONF_PEND, &chan->conf_state)) { + test_bit(CONF_LOC_CONF_PEND, &chan->conf_state)) { /* check compatibility */ - clear_bit(CONF_LOC_CONF_PEND, &chan->conf_state); - set_bit(CONF_OUTPUT_DONE, &chan->conf_state); - - l2cap_send_cmd(conn, cmd->ident, L2CAP_CONF_RSP, - l2cap_build_conf_rsp(chan, rsp, - L2CAP_CONF_SUCCESS, flags), rsp); + /* Send rsp for BR/EDR channel */ + if (!chan->hs_hcon) + l2cap_send_efs_conf_rsp(chan, rsp, cmd->ident, flags); + else + chan->ident = cmd->ident; } unlock: @@ -3667,7 +3937,8 @@ unlock: return err; } -static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data) +static inline int l2cap_config_rsp(struct l2cap_conn *conn, + struct l2cap_cmd_hdr *cmd, u8 *data) { struct l2cap_conf_rsp *rsp = (struct l2cap_conf_rsp *)data; u16 scid, flags, result; @@ -3699,20 +3970,21 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr char buf[64]; len = l2cap_parse_conf_rsp(chan, rsp->data, len, - buf, &result); + buf, &result); if (len < 0) { - l2cap_send_disconn_req(conn, chan, ECONNRESET); + l2cap_send_disconn_req(chan, ECONNRESET); goto done; } - /* check compatibility */ - - clear_bit(CONF_LOC_CONF_PEND, &chan->conf_state); - set_bit(CONF_OUTPUT_DONE, &chan->conf_state); - - l2cap_send_cmd(conn, cmd->ident, L2CAP_CONF_RSP, - l2cap_build_conf_rsp(chan, buf, - L2CAP_CONF_SUCCESS, 0x0000), buf); + if (!chan->hs_hcon) { + l2cap_send_efs_conf_rsp(chan, buf, cmd->ident, + 0); + } else { + if (l2cap_check_efs(chan)) { + amp_create_logical_link(chan); + chan->ident = cmd->ident; + } + } } goto done; @@ -3721,21 +3993,21 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr char req[64]; if (len > sizeof(req) - sizeof(struct l2cap_conf_req)) { - l2cap_send_disconn_req(conn, chan, ECONNRESET); + l2cap_send_disconn_req(chan, ECONNRESET); goto done; } /* throw out any old stored conf requests */ result = L2CAP_CONF_SUCCESS; len = l2cap_parse_conf_rsp(chan, rsp->data, len, - req, &result); + req, &result); if (len < 0) { - l2cap_send_disconn_req(conn, chan, ECONNRESET); + l2cap_send_disconn_req(chan, ECONNRESET); goto done; } l2cap_send_cmd(conn, l2cap_get_ident(conn), - L2CAP_CONF_REQ, len, req); + L2CAP_CONF_REQ, len, req); chan->num_conf_req++; if (result != L2CAP_CONF_SUCCESS) goto done; @@ -3746,7 +4018,7 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr l2cap_chan_set_err(chan, ECONNRESET); __set_chan_timer(chan, L2CAP_DISC_REJ_TIMEOUT); - l2cap_send_disconn_req(conn, chan, ECONNRESET); + l2cap_send_disconn_req(chan, ECONNRESET); goto done; } @@ -3763,7 +4035,7 @@ static inline int l2cap_config_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr err = l2cap_ertm_init(chan); if (err < 0) - l2cap_send_disconn_req(chan->conn, chan, -err); + l2cap_send_disconn_req(chan, -err); else l2cap_chan_ready(chan); } @@ -3773,7 +4045,8 @@ done: return err; } -static inline int l2cap_disconnect_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data) +static inline int l2cap_disconnect_req(struct l2cap_conn *conn, + struct l2cap_cmd_hdr *cmd, u8 *data) { struct l2cap_disconn_req *req = (struct l2cap_disconn_req *) data; struct l2cap_disconn_rsp rsp; @@ -3819,7 +4092,8 @@ static inline int l2cap_disconnect_req(struct l2cap_conn *conn, struct l2cap_cmd return 0; } -static inline int l2cap_disconnect_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data) +static inline int l2cap_disconnect_rsp(struct l2cap_conn *conn, + struct l2cap_cmd_hdr *cmd, u8 *data) { struct l2cap_disconn_rsp *rsp = (struct l2cap_disconn_rsp *) data; u16 dcid, scid; @@ -3853,7 +4127,8 @@ static inline int l2cap_disconnect_rsp(struct l2cap_conn *conn, struct l2cap_cmd return 0; } -static inline int l2cap_information_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data) +static inline int l2cap_information_req(struct l2cap_conn *conn, + struct l2cap_cmd_hdr *cmd, u8 *data) { struct l2cap_info_req *req = (struct l2cap_info_req *) data; u16 type; @@ -3870,14 +4145,14 @@ static inline int l2cap_information_req(struct l2cap_conn *conn, struct l2cap_cm rsp->result = __constant_cpu_to_le16(L2CAP_IR_SUCCESS); if (!disable_ertm) feat_mask |= L2CAP_FEAT_ERTM | L2CAP_FEAT_STREAMING - | L2CAP_FEAT_FCS; + | L2CAP_FEAT_FCS; if (enable_hs) feat_mask |= L2CAP_FEAT_EXT_FLOW - | L2CAP_FEAT_EXT_WINDOW; + | L2CAP_FEAT_EXT_WINDOW; put_unaligned_le32(feat_mask, rsp->data); - l2cap_send_cmd(conn, cmd->ident, - L2CAP_INFO_RSP, sizeof(buf), buf); + l2cap_send_cmd(conn, cmd->ident, L2CAP_INFO_RSP, sizeof(buf), + buf); } else if (type == L2CAP_IT_FIXED_CHAN) { u8 buf[12]; struct l2cap_info_rsp *rsp = (struct l2cap_info_rsp *) buf; @@ -3890,20 +4165,21 @@ static inline int l2cap_information_req(struct l2cap_conn *conn, struct l2cap_cm rsp->type = __constant_cpu_to_le16(L2CAP_IT_FIXED_CHAN); rsp->result = __constant_cpu_to_le16(L2CAP_IR_SUCCESS); memcpy(rsp->data, l2cap_fixed_chan, sizeof(l2cap_fixed_chan)); - l2cap_send_cmd(conn, cmd->ident, - L2CAP_INFO_RSP, sizeof(buf), buf); + l2cap_send_cmd(conn, cmd->ident, L2CAP_INFO_RSP, sizeof(buf), + buf); } else { struct l2cap_info_rsp rsp; rsp.type = cpu_to_le16(type); rsp.result = __constant_cpu_to_le16(L2CAP_IR_NOTSUPP); - l2cap_send_cmd(conn, cmd->ident, - L2CAP_INFO_RSP, sizeof(rsp), &rsp); + l2cap_send_cmd(conn, cmd->ident, L2CAP_INFO_RSP, sizeof(rsp), + &rsp); } return 0; } -static inline int l2cap_information_rsp(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u8 *data) +static inline int l2cap_information_rsp(struct l2cap_conn *conn, + struct l2cap_cmd_hdr *cmd, u8 *data) { struct l2cap_info_rsp *rsp = (struct l2cap_info_rsp *) data; u16 type, result; @@ -3915,7 +4191,7 @@ static inline int l2cap_information_rsp(struct l2cap_conn *conn, struct l2cap_cm /* L2CAP Info req/rsp are unbound to channels, add extra checks */ if (cmd->ident != conn->info_ident || - conn->info_state & L2CAP_INFO_FEAT_MASK_REQ_DONE) + conn->info_state & L2CAP_INFO_FEAT_MASK_REQ_DONE) return 0; cancel_delayed_work(&conn->info_timer); @@ -3940,7 +4216,7 @@ static inline int l2cap_information_rsp(struct l2cap_conn *conn, struct l2cap_cm conn->info_ident = l2cap_get_ident(conn); l2cap_send_cmd(conn, conn->info_ident, - L2CAP_INFO_REQ, sizeof(req), &req); + L2CAP_INFO_REQ, sizeof(req), &req); } else { conn->info_state |= L2CAP_INFO_FEAT_MASK_REQ_DONE; conn->info_ident = 0; @@ -3961,12 +4237,14 @@ static inline int l2cap_information_rsp(struct l2cap_conn *conn, struct l2cap_cm return 0; } -static inline int l2cap_create_channel_req(struct l2cap_conn *conn, - struct l2cap_cmd_hdr *cmd, u16 cmd_len, - void *data) +static int l2cap_create_channel_req(struct l2cap_conn *conn, + struct l2cap_cmd_hdr *cmd, + u16 cmd_len, void *data) { struct l2cap_create_chan_req *req = data; struct l2cap_create_chan_rsp rsp; + struct l2cap_chan *chan; + struct hci_dev *hdev; u16 psm, scid; if (cmd_len != sizeof(*req)) @@ -3980,56 +4258,119 @@ static inline int l2cap_create_channel_req(struct l2cap_conn *conn, BT_DBG("psm 0x%2.2x, scid 0x%4.4x, amp_id %d", psm, scid, req->amp_id); - /* Placeholder: Always reject */ + /* For controller id 0 make BR/EDR connection */ + if (req->amp_id == HCI_BREDR_ID) { + l2cap_connect(conn, cmd, data, L2CAP_CREATE_CHAN_RSP, + req->amp_id); + return 0; + } + + /* Validate AMP controller id */ + hdev = hci_dev_get(req->amp_id); + if (!hdev) + goto error; + + if (hdev->dev_type != HCI_AMP || !test_bit(HCI_UP, &hdev->flags)) { + hci_dev_put(hdev); + goto error; + } + + chan = l2cap_connect(conn, cmd, data, L2CAP_CREATE_CHAN_RSP, + req->amp_id); + if (chan) { + struct amp_mgr *mgr = conn->hcon->amp_mgr; + struct hci_conn *hs_hcon; + + hs_hcon = hci_conn_hash_lookup_ba(hdev, AMP_LINK, conn->dst); + if (!hs_hcon) { + hci_dev_put(hdev); + return -EFAULT; + } + + BT_DBG("mgr %p bredr_chan %p hs_hcon %p", mgr, chan, hs_hcon); + + mgr->bredr_chan = chan; + chan->hs_hcon = hs_hcon; + chan->fcs = L2CAP_FCS_NONE; + conn->mtu = hdev->block_mtu; + } + + hci_dev_put(hdev); + + return 0; + +error: rsp.dcid = 0; rsp.scid = cpu_to_le16(scid); - rsp.result = __constant_cpu_to_le16(L2CAP_CR_NO_MEM); + rsp.result = __constant_cpu_to_le16(L2CAP_CR_BAD_AMP); rsp.status = __constant_cpu_to_le16(L2CAP_CS_NO_INFO); l2cap_send_cmd(conn, cmd->ident, L2CAP_CREATE_CHAN_RSP, sizeof(rsp), &rsp); - return 0; + return -EFAULT; } -static inline int l2cap_create_channel_rsp(struct l2cap_conn *conn, - struct l2cap_cmd_hdr *cmd, void *data) +static void l2cap_send_move_chan_req(struct l2cap_chan *chan, u8 dest_amp_id) { - BT_DBG("conn %p", conn); + struct l2cap_move_chan_req req; + u8 ident; + + BT_DBG("chan %p, dest_amp_id %d", chan, dest_amp_id); + + ident = l2cap_get_ident(chan->conn); + chan->ident = ident; + + req.icid = cpu_to_le16(chan->scid); + req.dest_amp_id = dest_amp_id; + + l2cap_send_cmd(chan->conn, ident, L2CAP_MOVE_CHAN_REQ, sizeof(req), + &req); - return l2cap_connect_rsp(conn, cmd, data); + __set_chan_timer(chan, L2CAP_MOVE_TIMEOUT); } -static void l2cap_send_move_chan_rsp(struct l2cap_conn *conn, u8 ident, - u16 icid, u16 result) +static void l2cap_send_move_chan_rsp(struct l2cap_chan *chan, u16 result) { struct l2cap_move_chan_rsp rsp; - BT_DBG("icid 0x%4.4x, result 0x%4.4x", icid, result); + BT_DBG("chan %p, result 0x%4.4x", chan, result); - rsp.icid = cpu_to_le16(icid); + rsp.icid = cpu_to_le16(chan->dcid); rsp.result = cpu_to_le16(result); - l2cap_send_cmd(conn, ident, L2CAP_MOVE_CHAN_RSP, sizeof(rsp), &rsp); + l2cap_send_cmd(chan->conn, chan->ident, L2CAP_MOVE_CHAN_RSP, + sizeof(rsp), &rsp); } -static void l2cap_send_move_chan_cfm(struct l2cap_conn *conn, - struct l2cap_chan *chan, - u16 icid, u16 result) +static void l2cap_send_move_chan_cfm(struct l2cap_chan *chan, u16 result) { struct l2cap_move_chan_cfm cfm; - u8 ident; - BT_DBG("icid 0x%4.4x, result 0x%4.4x", icid, result); + BT_DBG("chan %p, result 0x%4.4x", chan, result); - ident = l2cap_get_ident(conn); - if (chan) - chan->ident = ident; + chan->ident = l2cap_get_ident(chan->conn); - cfm.icid = cpu_to_le16(icid); + cfm.icid = cpu_to_le16(chan->scid); cfm.result = cpu_to_le16(result); - l2cap_send_cmd(conn, ident, L2CAP_MOVE_CHAN_CFM, sizeof(cfm), &cfm); + l2cap_send_cmd(chan->conn, chan->ident, L2CAP_MOVE_CHAN_CFM, + sizeof(cfm), &cfm); + + __set_chan_timer(chan, L2CAP_MOVE_TIMEOUT); +} + +static void l2cap_send_move_chan_cfm_icid(struct l2cap_conn *conn, u16 icid) +{ + struct l2cap_move_chan_cfm cfm; + + BT_DBG("conn %p, icid 0x%4.4x", conn, icid); + + cfm.icid = cpu_to_le16(icid); + cfm.result = __constant_cpu_to_le16(L2CAP_MC_UNCONFIRMED); + + l2cap_send_cmd(conn, l2cap_get_ident(conn), L2CAP_MOVE_CHAN_CFM, + sizeof(cfm), &cfm); } static void l2cap_send_move_chan_cfm_rsp(struct l2cap_conn *conn, u8 ident, @@ -4043,11 +4384,289 @@ static void l2cap_send_move_chan_cfm_rsp(struct l2cap_conn *conn, u8 ident, l2cap_send_cmd(conn, ident, L2CAP_MOVE_CHAN_CFM_RSP, sizeof(rsp), &rsp); } +static void __release_logical_link(struct l2cap_chan *chan) +{ + chan->hs_hchan = NULL; + chan->hs_hcon = NULL; + + /* Placeholder - release the logical link */ +} + +static void l2cap_logical_fail(struct l2cap_chan *chan) +{ + /* Logical link setup failed */ + if (chan->state != BT_CONNECTED) { + /* Create channel failure, disconnect */ + l2cap_send_disconn_req(chan, ECONNRESET); + return; + } + + switch (chan->move_role) { + case L2CAP_MOVE_ROLE_RESPONDER: + l2cap_move_done(chan); + l2cap_send_move_chan_rsp(chan, L2CAP_MR_NOT_SUPP); + break; + case L2CAP_MOVE_ROLE_INITIATOR: + if (chan->move_state == L2CAP_MOVE_WAIT_LOGICAL_COMP || + chan->move_state == L2CAP_MOVE_WAIT_LOGICAL_CFM) { + /* Remote has only sent pending or + * success responses, clean up + */ + l2cap_move_done(chan); + } + + /* Other amp move states imply that the move + * has already aborted + */ + l2cap_send_move_chan_cfm(chan, L2CAP_MC_UNCONFIRMED); + break; + } +} + +static void l2cap_logical_finish_create(struct l2cap_chan *chan, + struct hci_chan *hchan) +{ + struct l2cap_conf_rsp rsp; + + chan->hs_hchan = hchan; + chan->hs_hcon->l2cap_data = chan->conn; + + l2cap_send_efs_conf_rsp(chan, &rsp, chan->ident, 0); + + if (test_bit(CONF_INPUT_DONE, &chan->conf_state)) { + int err; + + set_default_fcs(chan); + + err = l2cap_ertm_init(chan); + if (err < 0) + l2cap_send_disconn_req(chan, -err); + else + l2cap_chan_ready(chan); + } +} + +static void l2cap_logical_finish_move(struct l2cap_chan *chan, + struct hci_chan *hchan) +{ + chan->hs_hcon = hchan->conn; + chan->hs_hcon->l2cap_data = chan->conn; + + BT_DBG("move_state %d", chan->move_state); + + switch (chan->move_state) { + case L2CAP_MOVE_WAIT_LOGICAL_COMP: + /* Move confirm will be sent after a success + * response is received + */ + chan->move_state = L2CAP_MOVE_WAIT_RSP_SUCCESS; + break; + case L2CAP_MOVE_WAIT_LOGICAL_CFM: + if (test_bit(CONN_LOCAL_BUSY, &chan->conn_state)) { + chan->move_state = L2CAP_MOVE_WAIT_LOCAL_BUSY; + } else if (chan->move_role == L2CAP_MOVE_ROLE_INITIATOR) { + chan->move_state = L2CAP_MOVE_WAIT_CONFIRM_RSP; + l2cap_send_move_chan_cfm(chan, L2CAP_MC_CONFIRMED); + } else if (chan->move_role == L2CAP_MOVE_ROLE_RESPONDER) { + chan->move_state = L2CAP_MOVE_WAIT_CONFIRM; + l2cap_send_move_chan_rsp(chan, L2CAP_MR_SUCCESS); + } + break; + default: + /* Move was not in expected state, free the channel */ + __release_logical_link(chan); + + chan->move_state = L2CAP_MOVE_STABLE; + } +} + +/* Call with chan locked */ +void l2cap_logical_cfm(struct l2cap_chan *chan, struct hci_chan *hchan, + u8 status) +{ + BT_DBG("chan %p, hchan %p, status %d", chan, hchan, status); + + if (status) { + l2cap_logical_fail(chan); + __release_logical_link(chan); + return; + } + + if (chan->state != BT_CONNECTED) { + /* Ignore logical link if channel is on BR/EDR */ + if (chan->local_amp_id) + l2cap_logical_finish_create(chan, hchan); + } else { + l2cap_logical_finish_move(chan, hchan); + } +} + +void l2cap_move_start(struct l2cap_chan *chan) +{ + BT_DBG("chan %p", chan); + + if (chan->local_amp_id == HCI_BREDR_ID) { + if (chan->chan_policy != BT_CHANNEL_POLICY_AMP_PREFERRED) + return; + chan->move_role = L2CAP_MOVE_ROLE_INITIATOR; + chan->move_state = L2CAP_MOVE_WAIT_PREPARE; + /* Placeholder - start physical link setup */ + } else { + chan->move_role = L2CAP_MOVE_ROLE_INITIATOR; + chan->move_state = L2CAP_MOVE_WAIT_RSP_SUCCESS; + chan->move_id = 0; + l2cap_move_setup(chan); + l2cap_send_move_chan_req(chan, 0); + } +} + +static void l2cap_do_create(struct l2cap_chan *chan, int result, + u8 local_amp_id, u8 remote_amp_id) +{ + BT_DBG("chan %p state %s %u -> %u", chan, state_to_string(chan->state), + local_amp_id, remote_amp_id); + + chan->fcs = L2CAP_FCS_NONE; + + /* Outgoing channel on AMP */ + if (chan->state == BT_CONNECT) { + if (result == L2CAP_CR_SUCCESS) { + chan->local_amp_id = local_amp_id; + l2cap_send_create_chan_req(chan, remote_amp_id); + } else { + /* Revert to BR/EDR connect */ + l2cap_send_conn_req(chan); + } + + return; + } + + /* Incoming channel on AMP */ + if (__l2cap_no_conn_pending(chan)) { + struct l2cap_conn_rsp rsp; + char buf[128]; + rsp.scid = cpu_to_le16(chan->dcid); + rsp.dcid = cpu_to_le16(chan->scid); + + if (result == L2CAP_CR_SUCCESS) { + /* Send successful response */ + rsp.result = __constant_cpu_to_le16(L2CAP_CR_SUCCESS); + rsp.status = __constant_cpu_to_le16(L2CAP_CS_NO_INFO); + } else { + /* Send negative response */ + rsp.result = __constant_cpu_to_le16(L2CAP_CR_NO_MEM); + rsp.status = __constant_cpu_to_le16(L2CAP_CS_NO_INFO); + } + + l2cap_send_cmd(chan->conn, chan->ident, L2CAP_CREATE_CHAN_RSP, + sizeof(rsp), &rsp); + + if (result == L2CAP_CR_SUCCESS) { + __l2cap_state_change(chan, BT_CONFIG); + set_bit(CONF_REQ_SENT, &chan->conf_state); + l2cap_send_cmd(chan->conn, l2cap_get_ident(chan->conn), + L2CAP_CONF_REQ, + l2cap_build_conf_req(chan, buf), buf); + chan->num_conf_req++; + } + } +} + +static void l2cap_do_move_initiate(struct l2cap_chan *chan, u8 local_amp_id, + u8 remote_amp_id) +{ + l2cap_move_setup(chan); + chan->move_id = local_amp_id; + chan->move_state = L2CAP_MOVE_WAIT_RSP; + + l2cap_send_move_chan_req(chan, remote_amp_id); +} + +static void l2cap_do_move_respond(struct l2cap_chan *chan, int result) +{ + struct hci_chan *hchan = NULL; + + /* Placeholder - get hci_chan for logical link */ + + if (hchan) { + if (hchan->state == BT_CONNECTED) { + /* Logical link is ready to go */ + chan->hs_hcon = hchan->conn; + chan->hs_hcon->l2cap_data = chan->conn; + chan->move_state = L2CAP_MOVE_WAIT_CONFIRM; + l2cap_send_move_chan_rsp(chan, L2CAP_MR_SUCCESS); + + l2cap_logical_cfm(chan, hchan, L2CAP_MR_SUCCESS); + } else { + /* Wait for logical link to be ready */ + chan->move_state = L2CAP_MOVE_WAIT_LOGICAL_CFM; + } + } else { + /* Logical link not available */ + l2cap_send_move_chan_rsp(chan, L2CAP_MR_NOT_ALLOWED); + } +} + +static void l2cap_do_move_cancel(struct l2cap_chan *chan, int result) +{ + if (chan->move_role == L2CAP_MOVE_ROLE_RESPONDER) { + u8 rsp_result; + if (result == -EINVAL) + rsp_result = L2CAP_MR_BAD_ID; + else + rsp_result = L2CAP_MR_NOT_ALLOWED; + + l2cap_send_move_chan_rsp(chan, rsp_result); + } + + chan->move_role = L2CAP_MOVE_ROLE_NONE; + chan->move_state = L2CAP_MOVE_STABLE; + + /* Restart data transmission */ + l2cap_ertm_send(chan); +} + +/* Invoke with locked chan */ +void __l2cap_physical_cfm(struct l2cap_chan *chan, int result) +{ + u8 local_amp_id = chan->local_amp_id; + u8 remote_amp_id = chan->remote_amp_id; + + BT_DBG("chan %p, result %d, local_amp_id %d, remote_amp_id %d", + chan, result, local_amp_id, remote_amp_id); + + if (chan->state == BT_DISCONN || chan->state == BT_CLOSED) { + l2cap_chan_unlock(chan); + return; + } + + if (chan->state != BT_CONNECTED) { + l2cap_do_create(chan, result, local_amp_id, remote_amp_id); + } else if (result != L2CAP_MR_SUCCESS) { + l2cap_do_move_cancel(chan, result); + } else { + switch (chan->move_role) { + case L2CAP_MOVE_ROLE_INITIATOR: + l2cap_do_move_initiate(chan, local_amp_id, + remote_amp_id); + break; + case L2CAP_MOVE_ROLE_RESPONDER: + l2cap_do_move_respond(chan, result); + break; + default: + l2cap_do_move_cancel(chan, result); + break; + } + } +} + static inline int l2cap_move_channel_req(struct l2cap_conn *conn, struct l2cap_cmd_hdr *cmd, u16 cmd_len, void *data) { struct l2cap_move_chan_req *req = data; + struct l2cap_move_chan_rsp rsp; + struct l2cap_chan *chan; u16 icid = 0; u16 result = L2CAP_MR_NOT_ALLOWED; @@ -4061,15 +4680,206 @@ static inline int l2cap_move_channel_req(struct l2cap_conn *conn, if (!enable_hs) return -EINVAL; - /* Placeholder: Always refuse */ - l2cap_send_move_chan_rsp(conn, cmd->ident, icid, result); + chan = l2cap_get_chan_by_dcid(conn, icid); + if (!chan) { + rsp.icid = cpu_to_le16(icid); + rsp.result = __constant_cpu_to_le16(L2CAP_MR_NOT_ALLOWED); + l2cap_send_cmd(conn, cmd->ident, L2CAP_MOVE_CHAN_RSP, + sizeof(rsp), &rsp); + return 0; + } + + chan->ident = cmd->ident; + + if (chan->scid < L2CAP_CID_DYN_START || + chan->chan_policy == BT_CHANNEL_POLICY_BREDR_ONLY || + (chan->mode != L2CAP_MODE_ERTM && + chan->mode != L2CAP_MODE_STREAMING)) { + result = L2CAP_MR_NOT_ALLOWED; + goto send_move_response; + } + + if (chan->local_amp_id == req->dest_amp_id) { + result = L2CAP_MR_SAME_ID; + goto send_move_response; + } + + if (req->dest_amp_id) { + struct hci_dev *hdev; + hdev = hci_dev_get(req->dest_amp_id); + if (!hdev || hdev->dev_type != HCI_AMP || + !test_bit(HCI_UP, &hdev->flags)) { + if (hdev) + hci_dev_put(hdev); + + result = L2CAP_MR_BAD_ID; + goto send_move_response; + } + hci_dev_put(hdev); + } + + /* Detect a move collision. Only send a collision response + * if this side has "lost", otherwise proceed with the move. + * The winner has the larger bd_addr. + */ + if ((__chan_is_moving(chan) || + chan->move_role != L2CAP_MOVE_ROLE_NONE) && + bacmp(conn->src, conn->dst) > 0) { + result = L2CAP_MR_COLLISION; + goto send_move_response; + } + + chan->move_role = L2CAP_MOVE_ROLE_RESPONDER; + l2cap_move_setup(chan); + chan->move_id = req->dest_amp_id; + icid = chan->dcid; + + if (!req->dest_amp_id) { + /* Moving to BR/EDR */ + if (test_bit(CONN_LOCAL_BUSY, &chan->conn_state)) { + chan->move_state = L2CAP_MOVE_WAIT_LOCAL_BUSY; + result = L2CAP_MR_PEND; + } else { + chan->move_state = L2CAP_MOVE_WAIT_CONFIRM; + result = L2CAP_MR_SUCCESS; + } + } else { + chan->move_state = L2CAP_MOVE_WAIT_PREPARE; + /* Placeholder - uncomment when amp functions are available */ + /*amp_accept_physical(chan, req->dest_amp_id);*/ + result = L2CAP_MR_PEND; + } + +send_move_response: + l2cap_send_move_chan_rsp(chan, result); + + l2cap_chan_unlock(chan); return 0; } -static inline int l2cap_move_channel_rsp(struct l2cap_conn *conn, - struct l2cap_cmd_hdr *cmd, - u16 cmd_len, void *data) +static void l2cap_move_continue(struct l2cap_conn *conn, u16 icid, u16 result) +{ + struct l2cap_chan *chan; + struct hci_chan *hchan = NULL; + + chan = l2cap_get_chan_by_scid(conn, icid); + if (!chan) { + l2cap_send_move_chan_cfm_icid(conn, icid); + return; + } + + __clear_chan_timer(chan); + if (result == L2CAP_MR_PEND) + __set_chan_timer(chan, L2CAP_MOVE_ERTX_TIMEOUT); + + switch (chan->move_state) { + case L2CAP_MOVE_WAIT_LOGICAL_COMP: + /* Move confirm will be sent when logical link + * is complete. + */ + chan->move_state = L2CAP_MOVE_WAIT_LOGICAL_CFM; + break; + case L2CAP_MOVE_WAIT_RSP_SUCCESS: + if (result == L2CAP_MR_PEND) { + break; + } else if (test_bit(CONN_LOCAL_BUSY, + &chan->conn_state)) { + chan->move_state = L2CAP_MOVE_WAIT_LOCAL_BUSY; + } else { + /* Logical link is up or moving to BR/EDR, + * proceed with move + */ + chan->move_state = L2CAP_MOVE_WAIT_CONFIRM_RSP; + l2cap_send_move_chan_cfm(chan, L2CAP_MC_CONFIRMED); + } + break; + case L2CAP_MOVE_WAIT_RSP: + /* Moving to AMP */ + if (result == L2CAP_MR_SUCCESS) { + /* Remote is ready, send confirm immediately + * after logical link is ready + */ + chan->move_state = L2CAP_MOVE_WAIT_LOGICAL_CFM; + } else { + /* Both logical link and move success + * are required to confirm + */ + chan->move_state = L2CAP_MOVE_WAIT_LOGICAL_COMP; + } + + /* Placeholder - get hci_chan for logical link */ + if (!hchan) { + /* Logical link not available */ + l2cap_send_move_chan_cfm(chan, L2CAP_MC_UNCONFIRMED); + break; + } + + /* If the logical link is not yet connected, do not + * send confirmation. + */ + if (hchan->state != BT_CONNECTED) + break; + + /* Logical link is already ready to go */ + + chan->hs_hcon = hchan->conn; + chan->hs_hcon->l2cap_data = chan->conn; + + if (result == L2CAP_MR_SUCCESS) { + /* Can confirm now */ + l2cap_send_move_chan_cfm(chan, L2CAP_MC_CONFIRMED); + } else { + /* Now only need move success + * to confirm + */ + chan->move_state = L2CAP_MOVE_WAIT_RSP_SUCCESS; + } + + l2cap_logical_cfm(chan, hchan, L2CAP_MR_SUCCESS); + break; + default: + /* Any other amp move state means the move failed. */ + chan->move_id = chan->local_amp_id; + l2cap_move_done(chan); + l2cap_send_move_chan_cfm(chan, L2CAP_MC_UNCONFIRMED); + } + + l2cap_chan_unlock(chan); +} + +static void l2cap_move_fail(struct l2cap_conn *conn, u8 ident, u16 icid, + u16 result) +{ + struct l2cap_chan *chan; + + chan = l2cap_get_chan_by_ident(conn, ident); + if (!chan) { + /* Could not locate channel, icid is best guess */ + l2cap_send_move_chan_cfm_icid(conn, icid); + return; + } + + __clear_chan_timer(chan); + + if (chan->move_role == L2CAP_MOVE_ROLE_INITIATOR) { + if (result == L2CAP_MR_COLLISION) { + chan->move_role = L2CAP_MOVE_ROLE_RESPONDER; + } else { + /* Cleanup - cancel move */ + chan->move_id = chan->local_amp_id; + l2cap_move_done(chan); + } + } + + l2cap_send_move_chan_cfm(chan, L2CAP_MC_UNCONFIRMED); + + l2cap_chan_unlock(chan); +} + +static int l2cap_move_channel_rsp(struct l2cap_conn *conn, + struct l2cap_cmd_hdr *cmd, + u16 cmd_len, void *data) { struct l2cap_move_chan_rsp *rsp = data; u16 icid, result; @@ -4082,17 +4892,20 @@ static inline int l2cap_move_channel_rsp(struct l2cap_conn *conn, BT_DBG("icid 0x%4.4x, result 0x%4.4x", icid, result); - /* Placeholder: Always unconfirmed */ - l2cap_send_move_chan_cfm(conn, NULL, icid, L2CAP_MC_UNCONFIRMED); + if (result == L2CAP_MR_SUCCESS || result == L2CAP_MR_PEND) + l2cap_move_continue(conn, icid, result); + else + l2cap_move_fail(conn, cmd->ident, icid, result); return 0; } -static inline int l2cap_move_channel_confirm(struct l2cap_conn *conn, - struct l2cap_cmd_hdr *cmd, - u16 cmd_len, void *data) +static int l2cap_move_channel_confirm(struct l2cap_conn *conn, + struct l2cap_cmd_hdr *cmd, + u16 cmd_len, void *data) { struct l2cap_move_chan_cfm *cfm = data; + struct l2cap_chan *chan; u16 icid, result; if (cmd_len != sizeof(*cfm)) @@ -4103,8 +4916,29 @@ static inline int l2cap_move_channel_confirm(struct l2cap_conn *conn, BT_DBG("icid 0x%4.4x, result 0x%4.4x", icid, result); + chan = l2cap_get_chan_by_dcid(conn, icid); + if (!chan) { + /* Spec requires a response even if the icid was not found */ + l2cap_send_move_chan_cfm_rsp(conn, cmd->ident, icid); + return 0; + } + + if (chan->move_state == L2CAP_MOVE_WAIT_CONFIRM) { + if (result == L2CAP_MC_CONFIRMED) { + chan->local_amp_id = chan->move_id; + if (!chan->local_amp_id) + __release_logical_link(chan); + } else { + chan->move_id = chan->local_amp_id; + } + + l2cap_move_done(chan); + } + l2cap_send_move_chan_cfm_rsp(conn, cmd->ident, icid); + l2cap_chan_unlock(chan); + return 0; } @@ -4113,6 +4947,7 @@ static inline int l2cap_move_channel_confirm_rsp(struct l2cap_conn *conn, u16 cmd_len, void *data) { struct l2cap_move_chan_cfm_rsp *rsp = data; + struct l2cap_chan *chan; u16 icid; if (cmd_len != sizeof(*rsp)) @@ -4122,11 +4957,28 @@ static inline int l2cap_move_channel_confirm_rsp(struct l2cap_conn *conn, BT_DBG("icid 0x%4.4x", icid); + chan = l2cap_get_chan_by_scid(conn, icid); + if (!chan) + return 0; + + __clear_chan_timer(chan); + + if (chan->move_state == L2CAP_MOVE_WAIT_CONFIRM_RSP) { + chan->local_amp_id = chan->move_id; + + if (!chan->local_amp_id && chan->hs_hchan) + __release_logical_link(chan); + + l2cap_move_done(chan); + } + + l2cap_chan_unlock(chan); + return 0; } static inline int l2cap_check_conn_param(u16 min, u16 max, u16 latency, - u16 to_multiplier) + u16 to_multiplier) { u16 max_latency; @@ -4147,7 +4999,8 @@ static inline int l2cap_check_conn_param(u16 min, u16 max, u16 latency, } static inline int l2cap_conn_param_update_req(struct l2cap_conn *conn, - struct l2cap_cmd_hdr *cmd, u8 *data) + struct l2cap_cmd_hdr *cmd, + u8 *data) { struct hci_conn *hcon = conn->hcon; struct l2cap_conn_param_update_req *req; @@ -4169,7 +5022,7 @@ static inline int l2cap_conn_param_update_req(struct l2cap_conn *conn, to_multiplier = __le16_to_cpu(req->to_multiplier); BT_DBG("min 0x%4.4x max 0x%4.4x latency: 0x%4.4x Timeout: 0x%4.4x", - min, max, latency, to_multiplier); + min, max, latency, to_multiplier); memset(&rsp, 0, sizeof(rsp)); @@ -4180,7 +5033,7 @@ static inline int l2cap_conn_param_update_req(struct l2cap_conn *conn, rsp.result = __constant_cpu_to_le16(L2CAP_CONN_PARAM_ACCEPTED); l2cap_send_cmd(conn, cmd->ident, L2CAP_CONN_PARAM_UPDATE_RSP, - sizeof(rsp), &rsp); + sizeof(rsp), &rsp); if (!err) hci_le_conn_update(hcon, min, max, latency, to_multiplier); @@ -4189,7 +5042,8 @@ static inline int l2cap_conn_param_update_req(struct l2cap_conn *conn, } static inline int l2cap_bredr_sig_cmd(struct l2cap_conn *conn, - struct l2cap_cmd_hdr *cmd, u16 cmd_len, u8 *data) + struct l2cap_cmd_hdr *cmd, u16 cmd_len, + u8 *data) { int err = 0; @@ -4203,7 +5057,8 @@ static inline int l2cap_bredr_sig_cmd(struct l2cap_conn *conn, break; case L2CAP_CONN_RSP: - err = l2cap_connect_rsp(conn, cmd, data); + case L2CAP_CREATE_CHAN_RSP: + err = l2cap_connect_create_rsp(conn, cmd, data); break; case L2CAP_CONF_REQ: @@ -4241,10 +5096,6 @@ static inline int l2cap_bredr_sig_cmd(struct l2cap_conn *conn, err = l2cap_create_channel_req(conn, cmd, cmd_len, data); break; - case L2CAP_CREATE_CHAN_RSP: - err = l2cap_create_channel_rsp(conn, cmd, data); - break; - case L2CAP_MOVE_CHAN_REQ: err = l2cap_move_channel_req(conn, cmd, cmd_len, data); break; @@ -4271,7 +5122,7 @@ static inline int l2cap_bredr_sig_cmd(struct l2cap_conn *conn, } static inline int l2cap_le_sig_cmd(struct l2cap_conn *conn, - struct l2cap_cmd_hdr *cmd, u8 *data) + struct l2cap_cmd_hdr *cmd, u8 *data) { switch (cmd->code) { case L2CAP_COMMAND_REJ: @@ -4290,7 +5141,7 @@ static inline int l2cap_le_sig_cmd(struct l2cap_conn *conn, } static inline void l2cap_sig_channel(struct l2cap_conn *conn, - struct sk_buff *skb) + struct sk_buff *skb) { u8 *data = skb->data; int len = skb->len; @@ -4307,7 +5158,8 @@ static inline void l2cap_sig_channel(struct l2cap_conn *conn, cmd_len = le16_to_cpu(cmd.len); - BT_DBG("code 0x%2.2x len %d id 0x%2.2x", cmd.code, cmd_len, cmd.ident); + BT_DBG("code 0x%2.2x len %d id 0x%2.2x", cmd.code, cmd_len, + cmd.ident); if (cmd_len > len || !cmd.ident) { BT_DBG("corrupted command"); @@ -4326,7 +5178,8 @@ static inline void l2cap_sig_channel(struct l2cap_conn *conn, /* FIXME: Map err to a valid reason */ rej.reason = __constant_cpu_to_le16(L2CAP_REJ_NOT_UNDERSTOOD); - l2cap_send_cmd(conn, cmd.ident, L2CAP_COMMAND_REJ, sizeof(rej), &rej); + l2cap_send_cmd(conn, cmd.ident, L2CAP_COMMAND_REJ, + sizeof(rej), &rej); } data += cmd_len; @@ -4391,8 +5244,8 @@ static void l2cap_send_i_or_rr_or_rnr(struct l2cap_chan *chan) } } -static void append_skb_frag(struct sk_buff *skb, - struct sk_buff *new_frag, struct sk_buff **last_frag) +static void append_skb_frag(struct sk_buff *skb, struct sk_buff *new_frag, + struct sk_buff **last_frag) { /* skb->len reflects data in skb as well as all fragments * skb->data_len reflects only data in fragments @@ -4492,6 +5345,12 @@ static int l2cap_reassemble_sdu(struct l2cap_chan *chan, struct sk_buff *skb, return err; } +static int l2cap_resegment(struct l2cap_chan *chan) +{ + /* Placeholder */ + return 0; +} + void l2cap_chan_busy(struct l2cap_chan *chan, int busy) { u8 event; @@ -4546,7 +5405,7 @@ static void l2cap_handle_srej(struct l2cap_chan *chan, if (control->reqseq == chan->next_tx_seq) { BT_DBG("Invalid reqseq %d, disconnecting", control->reqseq); - l2cap_send_disconn_req(chan->conn, chan, ECONNRESET); + l2cap_send_disconn_req(chan, ECONNRESET); return; } @@ -4560,7 +5419,7 @@ static void l2cap_handle_srej(struct l2cap_chan *chan, if (chan->max_tx != 0 && bt_cb(skb)->control.retries >= chan->max_tx) { BT_DBG("Retry limit exceeded (%d)", chan->max_tx); - l2cap_send_disconn_req(chan->conn, chan, ECONNRESET); + l2cap_send_disconn_req(chan, ECONNRESET); return; } @@ -4604,7 +5463,7 @@ static void l2cap_handle_rej(struct l2cap_chan *chan, if (control->reqseq == chan->next_tx_seq) { BT_DBG("Invalid reqseq %d, disconnecting", control->reqseq); - l2cap_send_disconn_req(chan->conn, chan, ECONNRESET); + l2cap_send_disconn_req(chan, ECONNRESET); return; } @@ -4613,7 +5472,7 @@ static void l2cap_handle_rej(struct l2cap_chan *chan, if (chan->max_tx && skb && bt_cb(skb)->control.retries >= chan->max_tx) { BT_DBG("Retry limit exceeded (%d)", chan->max_tx); - l2cap_send_disconn_req(chan->conn, chan, ECONNRESET); + l2cap_send_disconn_req(chan, ECONNRESET); return; } @@ -4641,7 +5500,7 @@ static u8 l2cap_classify_txseq(struct l2cap_chan *chan, u16 txseq) if (chan->rx_state == L2CAP_RX_STATE_SREJ_SENT) { if (__seq_offset(chan, txseq, chan->last_acked_seq) >= - chan->tx_win) { + chan->tx_win) { /* See notes below regarding "double poll" and * invalid packets. */ @@ -4682,8 +5541,7 @@ static u8 l2cap_classify_txseq(struct l2cap_chan *chan, u16 txseq) } if (__seq_offset(chan, txseq, chan->last_acked_seq) < - __seq_offset(chan, chan->expected_tx_seq, - chan->last_acked_seq)){ + __seq_offset(chan, chan->expected_tx_seq, chan->last_acked_seq)) { BT_DBG("Duplicate - expected_tx_seq later than txseq"); return L2CAP_TXSEQ_DUPLICATE; } @@ -4798,8 +5656,7 @@ static int l2cap_rx_state_recv(struct l2cap_chan *chan, break; case L2CAP_TXSEQ_INVALID: default: - l2cap_send_disconn_req(chan->conn, chan, - ECONNRESET); + l2cap_send_disconn_req(chan, ECONNRESET); break; } break; @@ -4808,8 +5665,8 @@ static int l2cap_rx_state_recv(struct l2cap_chan *chan, if (control->final) { clear_bit(CONN_REMOTE_BUSY, &chan->conn_state); - if (!test_and_clear_bit(CONN_REJ_ACT, - &chan->conn_state)) { + if (!test_and_clear_bit(CONN_REJ_ACT, &chan->conn_state) && + !__chan_is_moving(chan)) { control->final = 0; l2cap_retransmit_all(chan, control); } @@ -4932,8 +5789,7 @@ static int l2cap_rx_state_srej_sent(struct l2cap_chan *chan, break; case L2CAP_TXSEQ_INVALID: default: - l2cap_send_disconn_req(chan->conn, chan, - ECONNRESET); + l2cap_send_disconn_req(chan, ECONNRESET); break; } break; @@ -4998,6 +5854,96 @@ static int l2cap_rx_state_srej_sent(struct l2cap_chan *chan, return err; } +static int l2cap_finish_move(struct l2cap_chan *chan) +{ + BT_DBG("chan %p", chan); + + chan->rx_state = L2CAP_RX_STATE_RECV; + + if (chan->hs_hcon) + chan->conn->mtu = chan->hs_hcon->hdev->block_mtu; + else + chan->conn->mtu = chan->conn->hcon->hdev->acl_mtu; + + return l2cap_resegment(chan); +} + +static int l2cap_rx_state_wait_p(struct l2cap_chan *chan, + struct l2cap_ctrl *control, + struct sk_buff *skb, u8 event) +{ + int err; + + BT_DBG("chan %p, control %p, skb %p, event %d", chan, control, skb, + event); + + if (!control->poll) + return -EPROTO; + + l2cap_process_reqseq(chan, control->reqseq); + + if (!skb_queue_empty(&chan->tx_q)) + chan->tx_send_head = skb_peek(&chan->tx_q); + else + chan->tx_send_head = NULL; + + /* Rewind next_tx_seq to the point expected + * by the receiver. + */ + chan->next_tx_seq = control->reqseq; + chan->unacked_frames = 0; + + err = l2cap_finish_move(chan); + if (err) + return err; + + set_bit(CONN_SEND_FBIT, &chan->conn_state); + l2cap_send_i_or_rr_or_rnr(chan); + + if (event == L2CAP_EV_RECV_IFRAME) + return -EPROTO; + + return l2cap_rx_state_recv(chan, control, NULL, event); +} + +static int l2cap_rx_state_wait_f(struct l2cap_chan *chan, + struct l2cap_ctrl *control, + struct sk_buff *skb, u8 event) +{ + int err; + + if (!control->final) + return -EPROTO; + + clear_bit(CONN_REMOTE_BUSY, &chan->conn_state); + + chan->rx_state = L2CAP_RX_STATE_RECV; + l2cap_process_reqseq(chan, control->reqseq); + + if (!skb_queue_empty(&chan->tx_q)) + chan->tx_send_head = skb_peek(&chan->tx_q); + else + chan->tx_send_head = NULL; + + /* Rewind next_tx_seq to the point expected + * by the receiver. + */ + chan->next_tx_seq = control->reqseq; + chan->unacked_frames = 0; + + if (chan->hs_hcon) + chan->conn->mtu = chan->hs_hcon->hdev->block_mtu; + else + chan->conn->mtu = chan->conn->hcon->hdev->acl_mtu; + + err = l2cap_resegment(chan); + + if (!err) + err = l2cap_rx_state_recv(chan, control, skb, event); + + return err; +} + static bool __valid_reqseq(struct l2cap_chan *chan, u16 reqseq) { /* Make sure reqseq is for a packet that has been sent but not acked */ @@ -5024,6 +5970,12 @@ static int l2cap_rx(struct l2cap_chan *chan, struct l2cap_ctrl *control, err = l2cap_rx_state_srej_sent(chan, control, skb, event); break; + case L2CAP_RX_STATE_WAIT_P: + err = l2cap_rx_state_wait_p(chan, control, skb, event); + break; + case L2CAP_RX_STATE_WAIT_F: + err = l2cap_rx_state_wait_f(chan, control, skb, event); + break; default: /* shut it down */ break; @@ -5032,7 +5984,7 @@ static int l2cap_rx(struct l2cap_chan *chan, struct l2cap_ctrl *control, BT_DBG("Invalid reqseq %d (next_tx_seq %d, expected_ack_seq %d", control->reqseq, chan->next_tx_seq, chan->expected_ack_seq); - l2cap_send_disconn_req(chan->conn, chan, ECONNRESET); + l2cap_send_disconn_req(chan, ECONNRESET); } return err; @@ -5101,7 +6053,7 @@ static int l2cap_data_rcv(struct l2cap_chan *chan, struct sk_buff *skb) len -= L2CAP_FCS_SIZE; if (len > chan->mps) { - l2cap_send_disconn_req(chan->conn, chan, ECONNRESET); + l2cap_send_disconn_req(chan, ECONNRESET); goto drop; } @@ -5126,8 +6078,7 @@ static int l2cap_data_rcv(struct l2cap_chan *chan, struct sk_buff *skb) } if (err) - l2cap_send_disconn_req(chan->conn, chan, - ECONNRESET); + l2cap_send_disconn_req(chan, ECONNRESET); } else { const u8 rx_func_to_event[4] = { L2CAP_EV_RECV_RR, L2CAP_EV_RECV_REJ, @@ -5143,8 +6094,8 @@ static int l2cap_data_rcv(struct l2cap_chan *chan, struct sk_buff *skb) control->super); if (len != 0) { - BT_ERR("%d", len); - l2cap_send_disconn_req(chan->conn, chan, ECONNRESET); + BT_ERR("Trailing bytes: %d in sframe", len); + l2cap_send_disconn_req(chan, ECONNRESET); goto drop; } @@ -5155,7 +6106,7 @@ static int l2cap_data_rcv(struct l2cap_chan *chan, struct sk_buff *skb) event = rx_func_to_event[control->super]; if (l2cap_rx(chan, control, skb, event)) - l2cap_send_disconn_req(chan->conn, chan, ECONNRESET); + l2cap_send_disconn_req(chan, ECONNRESET); } return 0; @@ -5323,7 +6274,7 @@ int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr) int exact = 0, lm1 = 0, lm2 = 0; struct l2cap_chan *c; - BT_DBG("hdev %s, bdaddr %s", hdev->name, batostr(bdaddr)); + BT_DBG("hdev %s, bdaddr %pMR", hdev->name, bdaddr); /* Find listening sockets and check their link_mode */ read_lock(&chan_list_lock); @@ -5353,15 +6304,15 @@ void l2cap_connect_cfm(struct hci_conn *hcon, u8 status) { struct l2cap_conn *conn; - BT_DBG("hcon %p bdaddr %s status %d", hcon, batostr(&hcon->dst), status); + BT_DBG("hcon %p bdaddr %pMR status %d", hcon, &hcon->dst, status); if (!status) { conn = l2cap_conn_add(hcon, status); if (conn) l2cap_conn_ready(conn); - } else + } else { l2cap_conn_del(hcon, bt_to_errno(status)); - + } } int l2cap_disconn_ind(struct hci_conn *hcon) @@ -5437,13 +6388,13 @@ int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt) continue; } - if (test_bit(CONF_CONNECT_PEND, &chan->conf_state)) { + if (!__l2cap_no_conn_pending(chan)) { l2cap_chan_unlock(chan); continue; } if (!status && (chan->state == BT_CONNECTED || - chan->state == BT_CONFIG)) { + chan->state == BT_CONFIG)) { struct sock *sk = chan->sk; clear_bit(BT_SK_SUSPEND, &bt_sk(sk)->flags); @@ -5456,7 +6407,7 @@ int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt) if (chan->state == BT_CONNECT) { if (!status) { - l2cap_send_conn_req(chan); + l2cap_start_connection(chan); } else { __set_chan_timer(chan, L2CAP_DISC_TIMEOUT); } @@ -5470,11 +6421,9 @@ int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt) if (!status) { if (test_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags)) { - struct sock *parent = bt_sk(sk)->parent; res = L2CAP_CR_PEND; stat = L2CAP_CS_AUTHOR_PEND; - if (parent) - parent->sk_data_ready(parent, 0); + chan->ops->defer(chan); } else { __l2cap_state_change(chan, BT_CONFIG); res = L2CAP_CR_SUCCESS; @@ -5494,7 +6443,7 @@ int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt) rsp.result = cpu_to_le16(res); rsp.status = cpu_to_le16(stat); l2cap_send_cmd(conn, chan->ident, L2CAP_CONN_RSP, - sizeof(rsp), &rsp); + sizeof(rsp), &rsp); if (!test_bit(CONF_REQ_SENT, &chan->conf_state) && res == L2CAP_CR_SUCCESS) { @@ -5519,6 +6468,12 @@ int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt) int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags) { struct l2cap_conn *conn = hcon->l2cap_data; + struct l2cap_hdr *hdr; + int len; + + /* For AMP controller do not create l2cap conn */ + if (!conn && hcon->hdev->dev_type != HCI_BREDR) + goto drop; if (!conn) conn = l2cap_conn_add(hcon, 0); @@ -5528,10 +6483,10 @@ int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags) BT_DBG("conn %p len %d flags 0x%x", conn, skb->len, flags); - if (!(flags & ACL_CONT)) { - struct l2cap_hdr *hdr; - int len; - + switch (flags) { + case ACL_START: + case ACL_START_NO_FLUSH: + case ACL_COMPLETE: if (conn->rx_len) { BT_ERR("Unexpected start frame (len %d)", skb->len); kfree_skb(conn->rx_skb); @@ -5560,20 +6515,22 @@ int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags) if (skb->len > len) { BT_ERR("Frame is too long (len %d, expected len %d)", - skb->len, len); + skb->len, len); l2cap_conn_unreliable(conn, ECOMM); goto drop; } /* Allocate skb for the complete frame (with header) */ - conn->rx_skb = bt_skb_alloc(len, GFP_ATOMIC); + conn->rx_skb = bt_skb_alloc(len, GFP_KERNEL); if (!conn->rx_skb) goto drop; skb_copy_from_linear_data(skb, skb_put(conn->rx_skb, skb->len), - skb->len); + skb->len); conn->rx_len = len - skb->len; - } else { + break; + + case ACL_CONT: BT_DBG("Cont: frag len %d (expecting %d)", skb->len, conn->rx_len); if (!conn->rx_len) { @@ -5584,7 +6541,7 @@ int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags) if (skb->len > conn->rx_len) { BT_ERR("Fragment is too long (len %d, expected %d)", - skb->len, conn->rx_len); + skb->len, conn->rx_len); kfree_skb(conn->rx_skb); conn->rx_skb = NULL; conn->rx_len = 0; @@ -5593,7 +6550,7 @@ int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags) } skb_copy_from_linear_data(skb, skb_put(conn->rx_skb, skb->len), - skb->len); + skb->len); conn->rx_len -= skb->len; if (!conn->rx_len) { @@ -5601,6 +6558,7 @@ int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 flags) l2cap_recv_frame(conn, conn->rx_skb); conn->rx_skb = NULL; } + break; } drop: @@ -5617,12 +6575,11 @@ static int l2cap_debugfs_show(struct seq_file *f, void *p) list_for_each_entry(c, &chan_list, global_l) { struct sock *sk = c->sk; - seq_printf(f, "%s %s %d %d 0x%4.4x 0x%4.4x %d %d %d %d\n", - batostr(&bt_sk(sk)->src), - batostr(&bt_sk(sk)->dst), - c->state, __le16_to_cpu(c->psm), - c->scid, c->dcid, c->imtu, c->omtu, - c->sec_level, c->mode); + seq_printf(f, "%pMR %pMR %d %d 0x%4.4x 0x%4.4x %d %d %d %d\n", + &bt_sk(sk)->src, &bt_sk(sk)->dst, + c->state, __le16_to_cpu(c->psm), + c->scid, c->dcid, c->imtu, c->omtu, + c->sec_level, c->mode); } read_unlock(&chan_list_lock); @@ -5653,8 +6610,8 @@ int __init l2cap_init(void) return err; if (bt_debugfs) { - l2cap_debugfs = debugfs_create_file("l2cap", 0444, - bt_debugfs, NULL, &l2cap_debugfs_fops); + l2cap_debugfs = debugfs_create_file("l2cap", 0444, bt_debugfs, + NULL, &l2cap_debugfs_fops); if (!l2cap_debugfs) BT_ERR("Failed to create L2CAP debug file"); } diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c index 083f2bf065d..1bcfb8422fd 100644 --- a/net/bluetooth/l2cap_sock.c +++ b/net/bluetooth/l2cap_sock.c @@ -40,7 +40,8 @@ static struct bt_sock_list l2cap_sk_list = { static const struct proto_ops l2cap_sock_ops; static void l2cap_sock_init(struct sock *sk, struct sock *parent); -static struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock, int proto, gfp_t prio); +static struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock, + int proto, gfp_t prio); static int l2cap_sock_bind(struct socket *sock, struct sockaddr *addr, int alen) { @@ -106,7 +107,8 @@ done: return err; } -static int l2cap_sock_connect(struct socket *sock, struct sockaddr *addr, int alen, int flags) +static int l2cap_sock_connect(struct socket *sock, struct sockaddr *addr, + int alen, int flags) { struct sock *sk = sock->sk; struct l2cap_chan *chan = l2cap_pi(sk)->chan; @@ -134,7 +136,7 @@ static int l2cap_sock_connect(struct socket *sock, struct sockaddr *addr, int al lock_sock(sk); err = bt_sock_wait_state(sk, BT_CONNECTED, - sock_sndtimeo(sk, flags & O_NONBLOCK)); + sock_sndtimeo(sk, flags & O_NONBLOCK)); release_sock(sk); @@ -185,7 +187,8 @@ done: return err; } -static int l2cap_sock_accept(struct socket *sock, struct socket *newsock, int flags) +static int l2cap_sock_accept(struct socket *sock, struct socket *newsock, + int flags) { DECLARE_WAITQUEUE(wait, current); struct sock *sk = sock->sk, *nsk; @@ -241,7 +244,8 @@ done: return err; } -static int l2cap_sock_getname(struct socket *sock, struct sockaddr *addr, int *len, int peer) +static int l2cap_sock_getname(struct socket *sock, struct sockaddr *addr, + int *len, int peer) { struct sockaddr_l2 *la = (struct sockaddr_l2 *) addr; struct sock *sk = sock->sk; @@ -266,7 +270,8 @@ static int l2cap_sock_getname(struct socket *sock, struct sockaddr *addr, int *l return 0; } -static int l2cap_sock_getsockopt_old(struct socket *sock, int optname, char __user *optval, int __user *optlen) +static int l2cap_sock_getsockopt_old(struct socket *sock, int optname, + char __user *optval, int __user *optlen) { struct sock *sk = sock->sk; struct l2cap_chan *chan = l2cap_pi(sk)->chan; @@ -309,7 +314,7 @@ static int l2cap_sock_getsockopt_old(struct socket *sock, int optname, char __us break; case BT_SECURITY_HIGH: opt = L2CAP_LM_AUTH | L2CAP_LM_ENCRYPT | - L2CAP_LM_SECURE; + L2CAP_LM_SECURE; break; default: opt = 0; @@ -353,7 +358,8 @@ static int l2cap_sock_getsockopt_old(struct socket *sock, int optname, char __us return err; } -static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname, char __user *optval, int __user *optlen) +static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname, + char __user *optval, int __user *optlen) { struct sock *sk = sock->sk; struct l2cap_chan *chan = l2cap_pi(sk)->chan; @@ -377,19 +383,20 @@ static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname, ch switch (optname) { case BT_SECURITY: if (chan->chan_type != L2CAP_CHAN_CONN_ORIENTED && - chan->chan_type != L2CAP_CHAN_RAW) { + chan->chan_type != L2CAP_CHAN_RAW) { err = -EINVAL; break; } memset(&sec, 0, sizeof(sec)); - if (chan->conn) + if (chan->conn) { sec.level = chan->conn->hcon->sec_level; - else - sec.level = chan->sec_level; - if (sk->sk_state == BT_CONNECTED) - sec.key_size = chan->conn->hcon->enc_key_size; + if (sk->sk_state == BT_CONNECTED) + sec.key_size = chan->conn->hcon->enc_key_size; + } else { + sec.level = chan->sec_level; + } len = min_t(unsigned int, len, sizeof(sec)); if (copy_to_user(optval, (char *) &sec, len)) @@ -411,14 +418,14 @@ static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname, ch case BT_FLUSHABLE: if (put_user(test_bit(FLAG_FLUSHABLE, &chan->flags), - (u32 __user *) optval)) + (u32 __user *) optval)) err = -EFAULT; break; case BT_POWER: if (sk->sk_type != SOCK_SEQPACKET && sk->sk_type != SOCK_STREAM - && sk->sk_type != SOCK_RAW) { + && sk->sk_type != SOCK_RAW) { err = -EINVAL; break; } @@ -466,7 +473,8 @@ static bool l2cap_valid_mtu(struct l2cap_chan *chan, u16 mtu) return true; } -static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, char __user *optval, unsigned int optlen) +static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, + char __user *optval, unsigned int optlen) { struct sock *sk = sock->sk; struct l2cap_chan *chan = l2cap_pi(sk)->chan; @@ -529,6 +537,7 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, char __us chan->fcs = opts.fcs; chan->max_tx = opts.max_tx; chan->tx_win = opts.txwin_size; + chan->flush_to = opts.flush_to; break; case L2CAP_LM: @@ -564,7 +573,8 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, char __us return err; } -static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, char __user *optval, unsigned int optlen) +static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, + char __user *optval, unsigned int optlen) { struct sock *sk = sock->sk; struct l2cap_chan *chan = l2cap_pi(sk)->chan; @@ -587,7 +597,7 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch switch (optname) { case BT_SECURITY: if (chan->chan_type != L2CAP_CHAN_CONN_ORIENTED && - chan->chan_type != L2CAP_CHAN_RAW) { + chan->chan_type != L2CAP_CHAN_RAW) { err = -EINVAL; break; } @@ -601,7 +611,7 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch } if (sec.level < BT_SECURITY_LOW || - sec.level > BT_SECURITY_HIGH) { + sec.level > BT_SECURITY_HIGH) { err = -EINVAL; break; } @@ -627,7 +637,7 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch /* or for ACL link */ } else if ((sk->sk_state == BT_CONNECT2 && - test_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags)) || + test_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags)) || sk->sk_state == BT_CONNECTED) { if (!l2cap_chan_check_security(chan)) set_bit(BT_SK_SUSPEND, &bt_sk(sk)->flags); @@ -684,7 +694,7 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch case BT_POWER: if (chan->chan_type != L2CAP_CHAN_CONN_ORIENTED && - chan->chan_type != L2CAP_CHAN_RAW) { + chan->chan_type != L2CAP_CHAN_RAW) { err = -EINVAL; break; } @@ -720,12 +730,17 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch } if (chan->mode != L2CAP_MODE_ERTM && - chan->mode != L2CAP_MODE_STREAMING) { + chan->mode != L2CAP_MODE_STREAMING) { err = -EOPNOTSUPP; break; } chan->chan_policy = (u8) opt; + + if (sk->sk_state == BT_CONNECTED && + chan->move_role == L2CAP_MOVE_ROLE_NONE) + l2cap_move_start(chan); + break; default: @@ -737,7 +752,8 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch return err; } -static int l2cap_sock_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg, size_t len) +static int l2cap_sock_sendmsg(struct kiocb *iocb, struct socket *sock, + struct msghdr *msg, size_t len) { struct sock *sk = sock->sk; struct l2cap_chan *chan = l2cap_pi(sk)->chan; @@ -762,7 +778,8 @@ static int l2cap_sock_sendmsg(struct kiocb *iocb, struct socket *sock, struct ms return err; } -static int l2cap_sock_recvmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg, size_t len, int flags) +static int l2cap_sock_recvmsg(struct kiocb *iocb, struct socket *sock, + struct msghdr *msg, size_t len, int flags) { struct sock *sk = sock->sk; struct l2cap_pinfo *pi = l2cap_pi(sk); @@ -866,7 +883,7 @@ static int l2cap_sock_shutdown(struct socket *sock, int how) if (sock_flag(sk, SOCK_LINGER) && sk->sk_lingertime) err = bt_sock_wait_state(sk, BT_CLOSED, - sk->sk_lingertime); + sk->sk_lingertime); } if (!err && sk->sk_err) @@ -930,7 +947,7 @@ static struct l2cap_chan *l2cap_sock_new_connection_cb(struct l2cap_chan *chan) } sk = l2cap_sock_alloc(sock_net(parent), NULL, BTPROTO_L2CAP, - GFP_ATOMIC); + GFP_ATOMIC); if (!sk) return NULL; @@ -938,6 +955,8 @@ static struct l2cap_chan *l2cap_sock_new_connection_cb(struct l2cap_chan *chan) l2cap_sock_init(sk, parent); + bt_accept_enqueue(parent, sk); + return l2cap_pi(sk)->chan; } @@ -1068,6 +1087,15 @@ static void l2cap_sock_ready_cb(struct l2cap_chan *chan) release_sock(sk); } +static void l2cap_sock_defer_cb(struct l2cap_chan *chan) +{ + struct sock *sk = chan->data; + struct sock *parent = bt_sk(sk)->parent; + + if (parent) + parent->sk_data_ready(parent, 0); +} + static struct l2cap_ops l2cap_chan_ops = { .name = "L2CAP Socket Interface", .new_connection = l2cap_sock_new_connection_cb, @@ -1076,6 +1104,7 @@ static struct l2cap_ops l2cap_chan_ops = { .teardown = l2cap_sock_teardown_cb, .state_change = l2cap_sock_state_change_cb, .ready = l2cap_sock_ready_cb, + .defer = l2cap_sock_defer_cb, .alloc_skb = l2cap_sock_alloc_skb_cb, }; @@ -1083,7 +1112,8 @@ static void l2cap_sock_destruct(struct sock *sk) { BT_DBG("sk %p", sk); - l2cap_chan_put(l2cap_pi(sk)->chan); + if (l2cap_pi(sk)->chan) + l2cap_chan_put(l2cap_pi(sk)->chan); if (l2cap_pi(sk)->rx_busy_skb) { kfree_skb(l2cap_pi(sk)->rx_busy_skb); l2cap_pi(sk)->rx_busy_skb = NULL; @@ -1159,7 +1189,8 @@ static struct proto l2cap_proto = { .obj_size = sizeof(struct l2cap_pinfo) }; -static struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock, int proto, gfp_t prio) +static struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock, + int proto, gfp_t prio) { struct sock *sk; struct l2cap_chan *chan; @@ -1204,7 +1235,7 @@ static int l2cap_sock_create(struct net *net, struct socket *sock, int protocol, sock->state = SS_UNCONNECTED; if (sock->type != SOCK_SEQPACKET && sock->type != SOCK_STREAM && - sock->type != SOCK_DGRAM && sock->type != SOCK_RAW) + sock->type != SOCK_DGRAM && sock->type != SOCK_RAW) return -ESOCKTNOSUPPORT; if (sock->type == SOCK_RAW && !kern && !capable(CAP_NET_RAW)) @@ -1261,7 +1292,8 @@ int __init l2cap_init_sockets(void) goto error; } - err = bt_procfs_init(THIS_MODULE, &init_net, "l2cap", &l2cap_sk_list, NULL); + err = bt_procfs_init(THIS_MODULE, &init_net, "l2cap", &l2cap_sk_list, + NULL); if (err < 0) { BT_ERR("Failed to create L2CAP proc file"); bt_sock_unregister(BTPROTO_L2CAP); diff --git a/net/bluetooth/lib.c b/net/bluetooth/lib.c index e1c97527e16..b3fbc73516c 100644 --- a/net/bluetooth/lib.c +++ b/net/bluetooth/lib.c @@ -41,20 +41,6 @@ void baswap(bdaddr_t *dst, bdaddr_t *src) } EXPORT_SYMBOL(baswap); -char *batostr(bdaddr_t *ba) -{ - static char str[2][18]; - static int i = 1; - - i ^= 1; - sprintf(str[i], "%2.2X:%2.2X:%2.2X:%2.2X:%2.2X:%2.2X", - ba->b[5], ba->b[4], ba->b[3], - ba->b[2], ba->b[1], ba->b[0]); - - return str[i]; -} -EXPORT_SYMBOL(batostr); - /* Bluetooth error codes to Unix errno mapping */ int bt_to_errno(__u16 code) { diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index aa2ea0a8142..f559b966279 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -222,7 +222,7 @@ static int cmd_status(struct sock *sk, u16 index, u16 cmd, u8 status) hdr = (void *) skb_put(skb, sizeof(*hdr)); - hdr->opcode = cpu_to_le16(MGMT_EV_CMD_STATUS); + hdr->opcode = __constant_cpu_to_le16(MGMT_EV_CMD_STATUS); hdr->index = cpu_to_le16(index); hdr->len = cpu_to_le16(sizeof(*ev)); @@ -253,7 +253,7 @@ static int cmd_complete(struct sock *sk, u16 index, u16 cmd, u8 status, hdr = (void *) skb_put(skb, sizeof(*hdr)); - hdr->opcode = cpu_to_le16(MGMT_EV_CMD_COMPLETE); + hdr->opcode = __constant_cpu_to_le16(MGMT_EV_CMD_COMPLETE); hdr->index = cpu_to_le16(index); hdr->len = cpu_to_le16(sizeof(*ev) + rp_len); @@ -326,7 +326,7 @@ static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data, struct hci_dev *d; size_t rp_len; u16 count; - int i, err; + int err; BT_DBG("sock %p", sk); @@ -347,9 +347,7 @@ static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data, return -ENOMEM; } - rp->num_controllers = cpu_to_le16(count); - - i = 0; + count = 0; list_for_each_entry(d, &hci_dev_list, list) { if (test_bit(HCI_SETUP, &d->dev_flags)) continue; @@ -357,10 +355,13 @@ static int read_index_list(struct sock *sk, struct hci_dev *hdev, void *data, if (!mgmt_valid_hdev(d)) continue; - rp->index[i++] = cpu_to_le16(d->id); + rp->index[count++] = cpu_to_le16(d->id); BT_DBG("Added hci%u", d->id); } + rp->num_controllers = cpu_to_le16(count); + rp_len = sizeof(*rp) + (2 * count); + read_unlock(&hci_dev_list_lock); err = cmd_complete(sk, MGMT_INDEX_NONE, MGMT_OP_READ_INDEX_LIST, 0, rp, @@ -376,15 +377,15 @@ static u32 get_supported_settings(struct hci_dev *hdev) u32 settings = 0; settings |= MGMT_SETTING_POWERED; - settings |= MGMT_SETTING_CONNECTABLE; - settings |= MGMT_SETTING_FAST_CONNECTABLE; - settings |= MGMT_SETTING_DISCOVERABLE; settings |= MGMT_SETTING_PAIRABLE; if (lmp_ssp_capable(hdev)) settings |= MGMT_SETTING_SSP; if (lmp_bredr_capable(hdev)) { + settings |= MGMT_SETTING_CONNECTABLE; + settings |= MGMT_SETTING_FAST_CONNECTABLE; + settings |= MGMT_SETTING_DISCOVERABLE; settings |= MGMT_SETTING_BREDR; settings |= MGMT_SETTING_LINK_SECURITY; } @@ -484,7 +485,7 @@ static void create_eir(struct hci_dev *hdev, u8 *data) ptr += (name_len + 2); } - if (hdev->inq_tx_power) { + if (hdev->inq_tx_power != HCI_TX_POWER_INVALID) { ptr[0] = 2; ptr[1] = EIR_TX_POWER; ptr[2] = (u8) hdev->inq_tx_power; @@ -565,7 +566,7 @@ static int update_eir(struct hci_dev *hdev) if (!hdev_is_powered(hdev)) return 0; - if (!(hdev->features[6] & LMP_EXT_INQ)) + if (!lmp_ext_inq_capable(hdev)) return 0; if (!test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) @@ -832,7 +833,7 @@ static int mgmt_event(u16 event, struct hci_dev *hdev, void *data, u16 data_len, if (hdev) hdr->index = cpu_to_le16(hdev->id); else - hdr->index = cpu_to_le16(MGMT_INDEX_NONE); + hdr->index = __constant_cpu_to_le16(MGMT_INDEX_NONE); hdr->len = cpu_to_le16(data_len); if (data) @@ -867,6 +868,10 @@ static int set_discoverable(struct sock *sk, struct hci_dev *hdev, void *data, BT_DBG("request for %s", hdev->name); + if (!lmp_bredr_capable(hdev)) + return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, + MGMT_STATUS_NOT_SUPPORTED); + timeout = __le16_to_cpu(cp->timeout); if (!cp->val && timeout > 0) return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, @@ -962,6 +967,10 @@ static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data, BT_DBG("request for %s", hdev->name); + if (!lmp_bredr_capable(hdev)) + return cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE, + MGMT_STATUS_NOT_SUPPORTED); + hci_dev_lock(hdev); if (!hdev_is_powered(hdev)) { @@ -1060,6 +1069,10 @@ static int set_link_security(struct sock *sk, struct hci_dev *hdev, void *data, BT_DBG("request for %s", hdev->name); + if (!lmp_bredr_capable(hdev)) + return cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY, + MGMT_STATUS_NOT_SUPPORTED); + hci_dev_lock(hdev); if (!hdev_is_powered(hdev)) { @@ -1213,7 +1226,7 @@ static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) } val = !!cp->val; - enabled = !!(hdev->host_features[0] & LMP_HOST_LE); + enabled = lmp_host_le_capable(hdev); if (!hdev_is_powered(hdev) || val == enabled) { bool changed = false; @@ -1249,7 +1262,7 @@ static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) if (val) { hci_cp.le = val; - hci_cp.simul = !!(hdev->features[6] & LMP_SIMUL_LE_BR); + hci_cp.simul = lmp_le_br_capable(hdev); } err = hci_send_cmd(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, sizeof(hci_cp), @@ -1366,6 +1379,7 @@ static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data, continue; list_del(&match->list); + kfree(match); found++; } @@ -2594,6 +2608,10 @@ static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev, BT_DBG("%s", hdev->name); + if (!lmp_bredr_capable(hdev)) + return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, + MGMT_STATUS_NOT_SUPPORTED); + if (!hdev_is_powered(hdev)) return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, MGMT_STATUS_NOT_POWERED); @@ -2871,6 +2889,21 @@ static void settings_rsp(struct pending_cmd *cmd, void *data) mgmt_pending_free(cmd); } +static int set_bredr_scan(struct hci_dev *hdev) +{ + u8 scan = 0; + + if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) + scan |= SCAN_PAGE; + if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) + scan |= SCAN_INQUIRY; + + if (!scan) + return 0; + + return hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan); +} + int mgmt_powered(struct hci_dev *hdev, u8 powered) { struct cmd_lookup match = { NULL, hdev }; @@ -2882,17 +2915,8 @@ int mgmt_powered(struct hci_dev *hdev, u8 powered) mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match); if (powered) { - u8 scan = 0; - - if (test_bit(HCI_CONNECTABLE, &hdev->dev_flags)) - scan |= SCAN_PAGE; - if (test_bit(HCI_DISCOVERABLE, &hdev->dev_flags)) - scan |= SCAN_INQUIRY; - - if (scan) - hci_send_cmd(hdev, HCI_OP_WRITE_SCAN_ENABLE, 1, &scan); - - if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags)) { + if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) && + !lmp_host_ssp_capable(hdev)) { u8 ssp = 1; hci_send_cmd(hdev, HCI_OP_WRITE_SSP_MODE, 1, &ssp); @@ -2902,15 +2926,24 @@ int mgmt_powered(struct hci_dev *hdev, u8 powered) struct hci_cp_write_le_host_supported cp; cp.le = 1; - cp.simul = !!(hdev->features[6] & LMP_SIMUL_LE_BR); - - hci_send_cmd(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED, - sizeof(cp), &cp); + cp.simul = lmp_le_br_capable(hdev); + + /* Check first if we already have the right + * host state (host features set) + */ + if (cp.le != lmp_host_le_capable(hdev) || + cp.simul != lmp_host_le_br_capable(hdev)) + hci_send_cmd(hdev, + HCI_OP_WRITE_LE_HOST_SUPPORTED, + sizeof(cp), &cp); } - update_class(hdev); - update_name(hdev, hdev->dev_name); - update_eir(hdev); + if (lmp_bredr_capable(hdev)) { + set_bredr_scan(hdev); + update_class(hdev); + update_name(hdev, hdev->dev_name); + update_eir(hdev); + } } else { u8 status = MGMT_STATUS_NOT_POWERED; mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status); @@ -3125,6 +3158,9 @@ int mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, struct pending_cmd *cmd; int err; + mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp, + hdev); + cmd = mgmt_pending_find(MGMT_OP_DISCONNECT, hdev); if (!cmd) return -ENOENT; @@ -3137,8 +3173,6 @@ int mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, mgmt_pending_remove(cmd); - mgmt_pending_foreach(MGMT_OP_UNPAIR_DEVICE, hdev, unpair_device_rsp, - hdev); return err; } @@ -3358,7 +3392,7 @@ static int clear_eir(struct hci_dev *hdev) { struct hci_cp_write_eir cp; - if (!(hdev->features[6] & LMP_EXT_INQ)) + if (!lmp_ext_inq_capable(hdev)) return 0; memset(hdev->eir, 0, sizeof(hdev->eir)); @@ -3490,7 +3524,12 @@ send_event: err = mgmt_event(MGMT_EV_LOCAL_NAME_CHANGED, hdev, &ev, sizeof(ev), cmd ? cmd->sk : NULL); - update_eir(hdev); + /* EIR is taken care of separately when powering on the + * adapter so only update them here if this is a name change + * unrelated to power on. + */ + if (!test_bit(HCI_INIT, &hdev->flags)) + update_eir(hdev); failed: if (cmd) @@ -3585,9 +3624,9 @@ int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, ev->addr.type = link_to_bdaddr(link_type, addr_type); ev->rssi = rssi; if (cfm_name) - ev->flags |= cpu_to_le32(MGMT_DEV_FOUND_CONFIRM_NAME); + ev->flags |= __constant_cpu_to_le32(MGMT_DEV_FOUND_CONFIRM_NAME); if (!ssp) - ev->flags |= cpu_to_le32(MGMT_DEV_FOUND_LEGACY_PAIRING); + ev->flags |= __constant_cpu_to_le32(MGMT_DEV_FOUND_LEGACY_PAIRING); if (eir_len > 0) memcpy(ev->eir, eir, eir_len); diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c index c75107ef892..201fdf73720 100644 --- a/net/bluetooth/rfcomm/core.c +++ b/net/bluetooth/rfcomm/core.c @@ -377,8 +377,8 @@ static int __rfcomm_dlc_open(struct rfcomm_dlc *d, bdaddr_t *src, bdaddr_t *dst, int err = 0; u8 dlci; - BT_DBG("dlc %p state %ld %s %s channel %d", - d, d->state, batostr(src), batostr(dst), channel); + BT_DBG("dlc %p state %ld %pMR -> %pMR channel %d", + d, d->state, src, dst, channel); if (channel < 1 || channel > 30) return -EINVAL; @@ -676,7 +676,7 @@ static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src, struct socket *sock; struct sock *sk; - BT_DBG("%s %s", batostr(src), batostr(dst)); + BT_DBG("%pMR -> %pMR", src, dst); *err = rfcomm_l2sock_create(&sock); if (*err < 0) @@ -709,7 +709,7 @@ static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src, bacpy(&addr.l2_bdaddr, dst); addr.l2_family = AF_BLUETOOTH; - addr.l2_psm = cpu_to_le16(RFCOMM_PSM); + addr.l2_psm = __constant_cpu_to_le16(RFCOMM_PSM); addr.l2_cid = 0; *err = kernel_connect(sock, (struct sockaddr *) &addr, sizeof(addr), O_NONBLOCK); if (*err == 0 || *err == -EINPROGRESS) @@ -1987,7 +1987,7 @@ static int rfcomm_add_listener(bdaddr_t *ba) /* Bind socket */ bacpy(&addr.l2_bdaddr, ba); addr.l2_family = AF_BLUETOOTH; - addr.l2_psm = cpu_to_le16(RFCOMM_PSM); + addr.l2_psm = __constant_cpu_to_le16(RFCOMM_PSM); addr.l2_cid = 0; err = kernel_bind(sock, (struct sockaddr *) &addr, sizeof(addr)); if (err < 0) { @@ -2125,11 +2125,10 @@ static int rfcomm_dlc_debugfs_show(struct seq_file *f, void *x) list_for_each_entry(d, &s->dlcs, list) { struct sock *sk = s->sock->sk; - seq_printf(f, "%s %s %ld %d %d %d %d\n", - batostr(&bt_sk(sk)->src), - batostr(&bt_sk(sk)->dst), - d->state, d->dlci, d->mtu, - d->rx_credits, d->tx_credits); + seq_printf(f, "%pMR %pMR %ld %d %d %d %d\n", + &bt_sk(sk)->src, &bt_sk(sk)->dst, + d->state, d->dlci, d->mtu, + d->rx_credits, d->tx_credits); } } diff --git a/net/bluetooth/rfcomm/sock.c b/net/bluetooth/rfcomm/sock.c index b3226f3658c..ce3f6658f4b 100644 --- a/net/bluetooth/rfcomm/sock.c +++ b/net/bluetooth/rfcomm/sock.c @@ -334,7 +334,7 @@ static int rfcomm_sock_bind(struct socket *sock, struct sockaddr *addr, int addr struct sock *sk = sock->sk; int err = 0; - BT_DBG("sk %p %s", sk, batostr(&sa->rc_bdaddr)); + BT_DBG("sk %p %pMR", sk, &sa->rc_bdaddr); if (!addr || addr->sa_family != AF_BLUETOOTH) return -EINVAL; @@ -467,7 +467,7 @@ static int rfcomm_sock_accept(struct socket *sock, struct socket *newsock, int f long timeo; int err = 0; - lock_sock(sk); + lock_sock_nested(sk, SINGLE_DEPTH_NESTING); if (sk->sk_type != SOCK_STREAM) { err = -EINVAL; @@ -504,7 +504,7 @@ static int rfcomm_sock_accept(struct socket *sock, struct socket *newsock, int f release_sock(sk); timeo = schedule_timeout(timeo); - lock_sock(sk); + lock_sock_nested(sk, SINGLE_DEPTH_NESTING); } __set_current_state(TASK_RUNNING); remove_wait_queue(sk_sleep(sk), &wait); @@ -975,10 +975,9 @@ static int rfcomm_sock_debugfs_show(struct seq_file *f, void *p) read_lock(&rfcomm_sk_list.lock); sk_for_each(sk, node, &rfcomm_sk_list.head) { - seq_printf(f, "%s %s %d %d\n", - batostr(&bt_sk(sk)->src), - batostr(&bt_sk(sk)->dst), - sk->sk_state, rfcomm_pi(sk)->channel); + seq_printf(f, "%pMR %pMR %d %d\n", + &bt_sk(sk)->src, &bt_sk(sk)->dst, + sk->sk_state, rfcomm_pi(sk)->channel); } read_unlock(&rfcomm_sk_list.lock); diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c index ccc248791d5..bd6fd0f43d2 100644 --- a/net/bluetooth/rfcomm/tty.c +++ b/net/bluetooth/rfcomm/tty.c @@ -166,7 +166,7 @@ static struct device *rfcomm_get_device(struct rfcomm_dev *dev) static ssize_t show_address(struct device *tty_dev, struct device_attribute *attr, char *buf) { struct rfcomm_dev *dev = dev_get_drvdata(tty_dev); - return sprintf(buf, "%s\n", batostr(&dev->dst)); + return sprintf(buf, "%pMR\n", &dev->dst); } static ssize_t show_channel(struct device *tty_dev, struct device_attribute *attr, char *buf) @@ -663,8 +663,8 @@ static int rfcomm_tty_open(struct tty_struct *tty, struct file *filp) if (!dev) return -ENODEV; - BT_DBG("dev %p dst %s channel %d opened %d", dev, batostr(&dev->dst), - dev->channel, dev->port.count); + BT_DBG("dev %p dst %pMR channel %d opened %d", dev, &dev->dst, + dev->channel, dev->port.count); spin_lock_irqsave(&dev->port.lock, flags); if (++dev->port.count > 1) { diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c index dc42b917aaa..531a93d613d 100644 --- a/net/bluetooth/sco.c +++ b/net/bluetooth/sco.c @@ -131,15 +131,6 @@ static int sco_conn_del(struct hci_conn *hcon, int err) sco_sock_clear_timer(sk); sco_chan_del(sk, err); bh_unlock_sock(sk); - - sco_conn_lock(conn); - conn->sk = NULL; - sco_pi(sk)->conn = NULL; - sco_conn_unlock(conn); - - if (conn->hcon) - hci_conn_put(conn->hcon); - sco_sock_kill(sk); } @@ -172,7 +163,7 @@ static int sco_connect(struct sock *sk) struct hci_dev *hdev; int err, type; - BT_DBG("%s -> %s", batostr(src), batostr(dst)); + BT_DBG("%pMR -> %pMR", src, dst); hdev = hci_get_route(dst, src); if (!hdev) @@ -397,6 +388,7 @@ static void sco_sock_init(struct sock *sk, struct sock *parent) if (parent) { sk->sk_type = parent->sk_type; + bt_sk(sk)->flags = bt_sk(parent)->flags; security_sk_clone(parent, sk); } } @@ -460,7 +452,7 @@ static int sco_sock_bind(struct socket *sock, struct sockaddr *addr, int addr_le struct sock *sk = sock->sk; int err = 0; - BT_DBG("sk %p %s", sk, batostr(&sa->sco_bdaddr)); + BT_DBG("sk %p %pMR", sk, &sa->sco_bdaddr); if (!addr || addr->sa_family != AF_BLUETOOTH) return -EINVAL; @@ -662,16 +654,57 @@ static int sco_sock_sendmsg(struct kiocb *iocb, struct socket *sock, return err; } +static int sco_sock_recvmsg(struct kiocb *iocb, struct socket *sock, + struct msghdr *msg, size_t len, int flags) +{ + struct sock *sk = sock->sk; + struct sco_pinfo *pi = sco_pi(sk); + + lock_sock(sk); + + if (sk->sk_state == BT_CONNECT2 && + test_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags)) { + hci_conn_accept(pi->conn->hcon, 0); + sk->sk_state = BT_CONFIG; + + release_sock(sk); + return 0; + } + + release_sock(sk); + + return bt_sock_recvmsg(iocb, sock, msg, len, flags); +} + static int sco_sock_setsockopt(struct socket *sock, int level, int optname, char __user *optval, unsigned int optlen) { struct sock *sk = sock->sk; int err = 0; + u32 opt; BT_DBG("sk %p", sk); lock_sock(sk); switch (optname) { + + case BT_DEFER_SETUP: + if (sk->sk_state != BT_BOUND && sk->sk_state != BT_LISTEN) { + err = -EINVAL; + break; + } + + if (get_user(opt, (u32 __user *) optval)) { + err = -EFAULT; + break; + } + + if (opt) + set_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags); + else + clear_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags); + break; + default: err = -ENOPROTOOPT; break; @@ -753,6 +786,19 @@ static int sco_sock_getsockopt(struct socket *sock, int level, int optname, char lock_sock(sk); switch (optname) { + + case BT_DEFER_SETUP: + if (sk->sk_state != BT_BOUND && sk->sk_state != BT_LISTEN) { + err = -EINVAL; + break; + } + + if (put_user(test_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags), + (u32 __user *) optval)) + err = -EFAULT; + + break; + default: err = -ENOPROTOOPT; break; @@ -830,6 +876,16 @@ static void sco_chan_del(struct sock *sk, int err) BT_DBG("sk %p, conn %p, err %d", sk, conn, err); + if (conn) { + sco_conn_lock(conn); + conn->sk = NULL; + sco_pi(sk)->conn = NULL; + sco_conn_unlock(conn); + + if (conn->hcon) + hci_conn_put(conn->hcon); + } + sk->sk_state = BT_CLOSED; sk->sk_err = err; sk->sk_state_change(sk); @@ -874,7 +930,10 @@ static void sco_conn_ready(struct sco_conn *conn) hci_conn_hold(conn->hcon); __sco_chan_add(conn, sk, parent); - sk->sk_state = BT_CONNECTED; + if (test_bit(BT_SK_DEFER_SETUP, &bt_sk(parent)->flags)) + sk->sk_state = BT_CONNECT2; + else + sk->sk_state = BT_CONNECTED; /* Wake up parent */ parent->sk_data_ready(parent, 1); @@ -887,13 +946,13 @@ done: } /* ----- SCO interface with lower layer (HCI) ----- */ -int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr) +int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 *flags) { struct sock *sk; struct hlist_node *node; int lm = 0; - BT_DBG("hdev %s, bdaddr %s", hdev->name, batostr(bdaddr)); + BT_DBG("hdev %s, bdaddr %pMR", hdev->name, bdaddr); /* Find listening sockets */ read_lock(&sco_sk_list.lock); @@ -904,6 +963,9 @@ int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr) if (!bacmp(&bt_sk(sk)->src, &hdev->bdaddr) || !bacmp(&bt_sk(sk)->src, BDADDR_ANY)) { lm |= HCI_LM_ACCEPT; + + if (test_bit(BT_SK_DEFER_SETUP, &bt_sk(sk)->flags)) + *flags |= HCI_PROTO_DEFER; break; } } @@ -914,7 +976,7 @@ int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr) void sco_connect_cfm(struct hci_conn *hcon, __u8 status) { - BT_DBG("hcon %p bdaddr %s status %d", hcon, batostr(&hcon->dst), status); + BT_DBG("hcon %p bdaddr %pMR status %d", hcon, &hcon->dst, status); if (!status) { struct sco_conn *conn; @@ -959,8 +1021,8 @@ static int sco_debugfs_show(struct seq_file *f, void *p) read_lock(&sco_sk_list.lock); sk_for_each(sk, node, &sco_sk_list.head) { - seq_printf(f, "%s %s %d\n", batostr(&bt_sk(sk)->src), - batostr(&bt_sk(sk)->dst), sk->sk_state); + seq_printf(f, "%pMR %pMR %d\n", &bt_sk(sk)->src, + &bt_sk(sk)->dst, sk->sk_state); } read_unlock(&sco_sk_list.lock); @@ -992,7 +1054,7 @@ static const struct proto_ops sco_sock_ops = { .accept = sco_sock_accept, .getname = sco_sock_getname, .sendmsg = sco_sock_sendmsg, - .recvmsg = bt_sock_recvmsg, + .recvmsg = sco_sock_recvmsg, .poll = bt_sock_poll, .ioctl = bt_sock_ioctl, .mmap = sock_no_mmap, diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c index 2ac8d50861e..68a9587c969 100644 --- a/net/bluetooth/smp.c +++ b/net/bluetooth/smp.c @@ -167,7 +167,7 @@ static struct sk_buff *smp_build_cmd(struct l2cap_conn *conn, u8 code, lh = (struct l2cap_hdr *) skb_put(skb, L2CAP_HDR_SIZE); lh->len = cpu_to_le16(sizeof(code) + dlen); - lh->cid = cpu_to_le16(L2CAP_CID_SMP); + lh->cid = __constant_cpu_to_le16(L2CAP_CID_SMP); memcpy(skb_put(skb, sizeof(code)), &code, sizeof(code)); @@ -267,7 +267,7 @@ static void smp_failure(struct l2cap_conn *conn, u8 reason, u8 send) clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->hcon->flags); mgmt_auth_failed(conn->hcon->hdev, conn->dst, hcon->type, - hcon->dst_type, reason); + hcon->dst_type, HCI_ERROR_AUTH_FAILURE); cancel_delayed_work_sync(&conn->security_timer); |