diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-05-25 17:28:41 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-05-25 17:28:41 +0300 |
commit | 2a28e4d28ca1dcaf5073351517e9b22400994289 (patch) | |
tree | ff0d567a3119b584d365b87b1935bc2e4825adde /net | |
parent | 30e92e8838a078df359a97e36d048f06bbd5bec1 (diff) | |
parent | f610c358956229b7e5180f8c1147725d989f6b0d (diff) | |
download | linux-2a28e4d28ca1dcaf5073351517e9b22400994289.tar.xz |
Merge v6.8.11
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net')
-rw-r--r-- | net/bluetooth/hci_conn.c | 71 | ||||
-rw-r--r-- | net/bluetooth/hci_event.c | 31 | ||||
-rw-r--r-- | net/bluetooth/iso.c | 2 | ||||
-rw-r--r-- | net/bluetooth/l2cap_core.c | 38 | ||||
-rw-r--r-- | net/bluetooth/sco.c | 6 |
5 files changed, 86 insertions, 62 deletions
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c index 18f97b228869..9a369bc14fd5 100644 --- a/net/bluetooth/hci_conn.c +++ b/net/bluetooth/hci_conn.c @@ -909,11 +909,37 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst, { struct hci_conn *conn; + switch (type) { + case ACL_LINK: + if (!hdev->acl_mtu) + return ERR_PTR(-ECONNREFUSED); + break; + case ISO_LINK: + if (hdev->iso_mtu) + /* Dedicated ISO Buffer exists */ + break; + fallthrough; + case LE_LINK: + if (hdev->le_mtu && hdev->le_mtu < HCI_MIN_LE_MTU) + return ERR_PTR(-ECONNREFUSED); + if (!hdev->le_mtu && hdev->acl_mtu < HCI_MIN_LE_MTU) + return ERR_PTR(-ECONNREFUSED); + break; + case SCO_LINK: + case ESCO_LINK: + if (!hdev->sco_pkts) + /* Controller does not support SCO or eSCO over HCI */ + return ERR_PTR(-ECONNREFUSED); + break; + default: + return ERR_PTR(-ECONNREFUSED); + } + bt_dev_dbg(hdev, "dst %pMR handle 0x%4.4x", dst, handle); conn = kzalloc(sizeof(*conn), GFP_KERNEL); if (!conn) - return NULL; + return ERR_PTR(-ENOMEM); bacpy(&conn->dst, dst); bacpy(&conn->src, &hdev->bdaddr); @@ -944,10 +970,12 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst, switch (type) { case ACL_LINK: conn->pkt_type = hdev->pkt_type & ACL_PTYPE_MASK; + conn->mtu = hdev->acl_mtu; break; case LE_LINK: /* conn->src should reflect the local identity address */ hci_copy_identity_address(hdev, &conn->src, &conn->src_type); + conn->mtu = hdev->le_mtu ? hdev->le_mtu : hdev->acl_mtu; break; case ISO_LINK: /* conn->src should reflect the local identity address */ @@ -959,6 +987,8 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst, else if (conn->role == HCI_ROLE_MASTER) conn->cleanup = cis_cleanup; + conn->mtu = hdev->iso_mtu ? hdev->iso_mtu : + hdev->le_mtu ? hdev->le_mtu : hdev->acl_mtu; break; case SCO_LINK: if (lmp_esco_capable(hdev)) @@ -966,9 +996,12 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst, (hdev->esco_type & EDR_ESCO_MASK); else conn->pkt_type = hdev->pkt_type & SCO_PTYPE_MASK; + + conn->mtu = hdev->sco_mtu; break; case ESCO_LINK: conn->pkt_type = hdev->esco_type & ~EDR_ESCO_MASK; + conn->mtu = hdev->sco_mtu; break; } @@ -1011,7 +1044,7 @@ struct hci_conn *hci_conn_add_unset(struct hci_dev *hdev, int type, handle = hci_conn_hash_alloc_unset(hdev); if (unlikely(handle < 0)) - return NULL; + return ERR_PTR(-ECONNREFUSED); return hci_conn_add(hdev, type, dst, role, handle); } @@ -1317,8 +1350,8 @@ struct hci_conn *hci_connect_le(struct hci_dev *hdev, bdaddr_t *dst, bacpy(&conn->dst, dst); } else { conn = hci_conn_add_unset(hdev, LE_LINK, dst, role); - if (!conn) - return ERR_PTR(-ENOMEM); + if (IS_ERR(conn)) + return conn; hci_conn_hold(conn); conn->pending_sec_level = sec_level; } @@ -1494,8 +1527,8 @@ static struct hci_conn *hci_add_bis(struct hci_dev *hdev, bdaddr_t *dst, return ERR_PTR(-EADDRINUSE); conn = hci_conn_add_unset(hdev, ISO_LINK, dst, HCI_ROLE_MASTER); - if (!conn) - return ERR_PTR(-ENOMEM); + if (IS_ERR(conn)) + return conn; conn->state = BT_CONNECT; @@ -1538,8 +1571,8 @@ struct hci_conn *hci_connect_le_scan(struct hci_dev *hdev, bdaddr_t *dst, BT_DBG("requesting refresh of dst_addr"); conn = hci_conn_add_unset(hdev, LE_LINK, dst, HCI_ROLE_MASTER); - if (!conn) - return ERR_PTR(-ENOMEM); + if (IS_ERR(conn)) + return conn; if (hci_explicit_conn_params_set(hdev, dst, dst_type) < 0) { hci_conn_del(conn); @@ -1586,8 +1619,8 @@ struct hci_conn *hci_connect_acl(struct hci_dev *hdev, bdaddr_t *dst, acl = hci_conn_hash_lookup_ba(hdev, ACL_LINK, dst); if (!acl) { acl = hci_conn_add_unset(hdev, ACL_LINK, dst, HCI_ROLE_MASTER); - if (!acl) - return ERR_PTR(-ENOMEM); + if (IS_ERR(acl)) + return acl; } hci_conn_hold(acl); @@ -1655,9 +1688,9 @@ struct hci_conn *hci_connect_sco(struct hci_dev *hdev, int type, bdaddr_t *dst, sco = hci_conn_hash_lookup_ba(hdev, type, dst); if (!sco) { sco = hci_conn_add_unset(hdev, type, dst, HCI_ROLE_MASTER); - if (!sco) { + if (IS_ERR(sco)) { hci_conn_drop(acl); - return ERR_PTR(-ENOMEM); + return sco; } } @@ -1847,8 +1880,8 @@ struct hci_conn *hci_bind_cis(struct hci_dev *hdev, bdaddr_t *dst, qos->ucast.cis); if (!cis) { cis = hci_conn_add_unset(hdev, ISO_LINK, dst, HCI_ROLE_MASTER); - if (!cis) - return ERR_PTR(-ENOMEM); + if (IS_ERR(cis)) + return cis; cis->cleanup = cis_cleanup; cis->dst_type = dst_type; cis->iso_qos.ucast.cig = BT_ISO_QOS_CIG_UNSET; @@ -1983,14 +2016,8 @@ static void hci_iso_qos_setup(struct hci_dev *hdev, struct hci_conn *conn, struct bt_iso_io_qos *qos, __u8 phy) { /* Only set MTU if PHY is enabled */ - if (!qos->sdu && qos->phy) { - if (hdev->iso_mtu > 0) - qos->sdu = hdev->iso_mtu; - else if (hdev->le_mtu > 0) - qos->sdu = hdev->le_mtu; - else - qos->sdu = hdev->acl_mtu; - } + if (!qos->sdu && qos->phy) + qos->sdu = conn->mtu; /* Use the same PHY as ACL if set to any */ if (qos->phy == BT_ISO_PHY_ANY) diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 0f56ad33801e..c19d78e5d205 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -954,6 +954,9 @@ static u8 hci_cc_read_buffer_size(struct hci_dev *hdev, void *data, BT_DBG("%s acl mtu %d:%d sco mtu %d:%d", hdev->name, hdev->acl_mtu, hdev->acl_pkts, hdev->sco_mtu, hdev->sco_pkts); + if (!hdev->acl_mtu || !hdev->acl_pkts) + return HCI_ERROR_INVALID_PARAMETERS; + return rp->status; } @@ -1263,6 +1266,9 @@ static u8 hci_cc_le_read_buffer_size(struct hci_dev *hdev, void *data, BT_DBG("%s le mtu %d:%d", hdev->name, hdev->le_mtu, hdev->le_pkts); + if (hdev->le_mtu && hdev->le_mtu < HCI_MIN_LE_MTU) + return HCI_ERROR_INVALID_PARAMETERS; + return rp->status; } @@ -2342,8 +2348,8 @@ static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status) if (!conn) { conn = hci_conn_add_unset(hdev, ACL_LINK, &cp->bdaddr, HCI_ROLE_MASTER); - if (!conn) - bt_dev_err(hdev, "no memory for new connection"); + if (IS_ERR(conn)) + bt_dev_err(hdev, "connection err: %ld", PTR_ERR(conn)); } } @@ -3154,8 +3160,8 @@ static void hci_conn_complete_evt(struct hci_dev *hdev, void *data, BDADDR_BREDR)) { conn = hci_conn_add_unset(hdev, ev->link_type, &ev->bdaddr, HCI_ROLE_SLAVE); - if (!conn) { - bt_dev_err(hdev, "no memory for new conn"); + if (IS_ERR(conn)) { + bt_dev_err(hdev, "connection err: %ld", PTR_ERR(conn)); goto unlock; } } else { @@ -3343,8 +3349,8 @@ static void hci_conn_request_evt(struct hci_dev *hdev, void *data, if (!conn) { conn = hci_conn_add_unset(hdev, ev->link_type, &ev->bdaddr, HCI_ROLE_SLAVE); - if (!conn) { - bt_dev_err(hdev, "no memory for new connection"); + if (IS_ERR(conn)) { + bt_dev_err(hdev, "connection err: %ld", PTR_ERR(conn)); goto unlock; } } @@ -3821,6 +3827,9 @@ static u8 hci_cc_le_read_buffer_size_v2(struct hci_dev *hdev, void *data, BT_DBG("%s acl mtu %d:%d iso mtu %d:%d", hdev->name, hdev->acl_mtu, hdev->acl_pkts, hdev->iso_mtu, hdev->iso_pkts); + if (hdev->le_mtu && hdev->le_mtu < HCI_MIN_LE_MTU) + return HCI_ERROR_INVALID_PARAMETERS; + return rp->status; } @@ -5912,8 +5921,8 @@ static void le_conn_complete_evt(struct hci_dev *hdev, u8 status, goto unlock; conn = hci_conn_add_unset(hdev, LE_LINK, bdaddr, role); - if (!conn) { - bt_dev_err(hdev, "no memory for new connection"); + if (IS_ERR(conn)) { + bt_dev_err(hdev, "connection err: %ld", PTR_ERR(conn)); goto unlock; } @@ -7042,7 +7051,7 @@ static void hci_le_cis_req_evt(struct hci_dev *hdev, void *data, if (!cis) { cis = hci_conn_add(hdev, ISO_LINK, &acl->dst, HCI_ROLE_SLAVE, cis_handle); - if (!cis) { + if (IS_ERR(cis)) { hci_le_reject_cis(hdev, ev->cis_handle); goto unlock; } @@ -7151,7 +7160,7 @@ static void hci_le_big_sync_established_evt(struct hci_dev *hdev, void *data, if (!bis) { bis = hci_conn_add(hdev, ISO_LINK, BDADDR_ANY, HCI_ROLE_SLAVE, handle); - if (!bis) + if (IS_ERR(bis)) continue; } @@ -7223,7 +7232,7 @@ static void hci_le_big_info_adv_report_evt(struct hci_dev *hdev, void *data, pa_sync = hci_conn_add_unset(hdev, ISO_LINK, BDADDR_ANY, HCI_ROLE_SLAVE); - if (!pa_sync) + if (IS_ERR(pa_sync)) goto unlock; pa_sync->sync_handle = le16_to_cpu(ev->sync_handle); diff --git a/net/bluetooth/iso.c b/net/bluetooth/iso.c index fa6c2e95d554..6d217df75c62 100644 --- a/net/bluetooth/iso.c +++ b/net/bluetooth/iso.c @@ -1264,7 +1264,7 @@ static int iso_sock_sendmsg(struct socket *sock, struct msghdr *msg, return -ENOTCONN; } - mtu = iso_pi(sk)->conn->hcon->hdev->iso_mtu; + mtu = iso_pi(sk)->conn->hcon->mtu; release_sock(sk); diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index 5761d37c5537..3f7a82f10fe9 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -3905,13 +3905,12 @@ static inline int l2cap_command_rej(struct l2cap_conn *conn, return 0; } -static struct l2cap_chan *l2cap_connect(struct l2cap_conn *conn, - struct l2cap_cmd_hdr *cmd, - u8 *data, u8 rsp_code, u8 amp_id) +static void 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; - struct l2cap_chan *chan = NULL, *pchan; + struct l2cap_chan *chan = NULL, *pchan = NULL; int result, status = L2CAP_CS_NO_INFO; u16 dcid = 0, scid = __le16_to_cpu(req->scid); @@ -3924,7 +3923,7 @@ static struct l2cap_chan *l2cap_connect(struct l2cap_conn *conn, &conn->hcon->dst, ACL_LINK); if (!pchan) { result = L2CAP_CR_BAD_PSM; - goto sendresp; + goto response; } mutex_lock(&conn->chan_lock); @@ -4011,17 +4010,15 @@ static struct l2cap_chan *l2cap_connect(struct l2cap_conn *conn, } response: - l2cap_chan_unlock(pchan); - mutex_unlock(&conn->chan_lock); - l2cap_chan_put(pchan); - -sendresp: rsp.scid = cpu_to_le16(scid); rsp.dcid = cpu_to_le16(dcid); rsp.result = cpu_to_le16(result); rsp.status = cpu_to_le16(status); l2cap_send_cmd(conn, cmd->ident, rsp_code, sizeof(rsp), &rsp); + if (!pchan) + return; + if (result == L2CAP_CR_PEND && status == L2CAP_CS_NO_INFO) { struct l2cap_info_req info; info.type = cpu_to_le16(L2CAP_IT_FEAT_MASK); @@ -4044,7 +4041,9 @@ sendresp: chan->num_conf_req++; } - return chan; + l2cap_chan_unlock(pchan); + mutex_unlock(&conn->chan_lock); + l2cap_chan_put(pchan); } static int l2cap_connect_req(struct l2cap_conn *conn, @@ -6242,7 +6241,7 @@ static int l2cap_finish_move(struct l2cap_chan *chan) BT_DBG("chan %p", chan); chan->rx_state = L2CAP_RX_STATE_RECV; - chan->conn->mtu = chan->conn->hcon->hdev->acl_mtu; + chan->conn->mtu = chan->conn->hcon->mtu; return l2cap_resegment(chan); } @@ -6309,7 +6308,7 @@ static int l2cap_rx_state_wait_f(struct l2cap_chan *chan, */ chan->next_tx_seq = control->reqseq; chan->unacked_frames = 0; - chan->conn->mtu = chan->conn->hcon->hdev->acl_mtu; + chan->conn->mtu = chan->conn->hcon->mtu; err = l2cap_resegment(chan); @@ -6849,18 +6848,7 @@ static struct l2cap_conn *l2cap_conn_add(struct hci_conn *hcon) BT_DBG("hcon %p conn %p hchan %p", hcon, conn, hchan); - switch (hcon->type) { - case LE_LINK: - if (hcon->hdev->le_mtu) { - conn->mtu = hcon->hdev->le_mtu; - break; - } - fallthrough; - default: - conn->mtu = hcon->hdev->acl_mtu; - break; - } - + conn->mtu = hcon->mtu; conn->feat_mask = 0; conn->local_fixed_chan = L2CAP_FC_SIG_BREDR | L2CAP_FC_CONNLESS; diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c index e0ad30862ee4..71d36582d4ef 100644 --- a/net/bluetooth/sco.c +++ b/net/bluetooth/sco.c @@ -126,7 +126,6 @@ static void sco_sock_clear_timer(struct sock *sk) /* ---- SCO connections ---- */ static struct sco_conn *sco_conn_add(struct hci_conn *hcon) { - struct hci_dev *hdev = hcon->hdev; struct sco_conn *conn = hcon->sco_data; if (conn) { @@ -144,9 +143,10 @@ static struct sco_conn *sco_conn_add(struct hci_conn *hcon) hcon->sco_data = conn; conn->hcon = hcon; + conn->mtu = hcon->mtu; - if (hdev->sco_mtu > 0) - conn->mtu = hdev->sco_mtu; + if (hcon->mtu > 0) + conn->mtu = hcon->mtu; else conn->mtu = 60; |