diff options
Diffstat (limited to 'net')
-rw-r--r-- | net/bluetooth/a2mp.c | 42 | ||||
-rw-r--r-- | net/bluetooth/amp.c | 25 | ||||
-rw-r--r-- | net/bluetooth/bnep/core.c | 1 | ||||
-rw-r--r-- | net/bluetooth/hci_core.c | 30 | ||||
-rw-r--r-- | net/bluetooth/hci_event.c | 64 | ||||
-rw-r--r-- | net/bluetooth/hci_sysfs.c | 22 | ||||
-rw-r--r-- | net/bluetooth/l2cap_core.c | 5 | ||||
-rw-r--r-- | net/bluetooth/mgmt.c | 489 | ||||
-rw-r--r-- | net/bluetooth/sco.c | 18 | ||||
-rw-r--r-- | net/mac80211/agg-rx.c | 14 | ||||
-rw-r--r-- | net/mac80211/agg-tx.c | 61 | ||||
-rw-r--r-- | net/mac80211/driver-ops.h | 36 | ||||
-rw-r--r-- | net/mac80211/ieee80211_i.h | 3 | ||||
-rw-r--r-- | net/mac80211/iface.c | 3 | ||||
-rw-r--r-- | net/mac80211/key.c | 5 | ||||
-rw-r--r-- | net/mac80211/main.c | 64 | ||||
-rw-r--r-- | net/mac80211/mesh_plink.c | 168 | ||||
-rw-r--r-- | net/mac80211/mlme.c | 42 | ||||
-rw-r--r-- | net/mac80211/sta_info.c | 5 | ||||
-rw-r--r-- | net/mac80211/trace.h | 53 | ||||
-rw-r--r-- | net/mac80211/tx.c | 8 | ||||
-rw-r--r-- | net/wireless/core.c | 5 | ||||
-rw-r--r-- | net/wireless/nl80211.c | 116 | ||||
-rw-r--r-- | net/wireless/rdev-ops.h | 12 | ||||
-rw-r--r-- | net/wireless/trace.h | 18 | ||||
-rw-r--r-- | net/wireless/util.c | 3 |
26 files changed, 933 insertions, 379 deletions
diff --git a/net/bluetooth/a2mp.c b/net/bluetooth/a2mp.c index 2f67d5ecc90..eb0f4b16ff0 100644 --- a/net/bluetooth/a2mp.c +++ b/net/bluetooth/a2mp.c @@ -290,7 +290,7 @@ static int a2mp_getinfo_req(struct amp_mgr *mgr, struct sk_buff *skb, goto done; } - mgr->state = READ_LOC_AMP_INFO; + set_bit(READ_LOC_AMP_INFO, &mgr->state); hci_send_cmd(hdev, HCI_OP_READ_LOCAL_AMP_INFO, 0, NULL); done: @@ -499,8 +499,16 @@ send_rsp: if (hdev) hci_dev_put(hdev); - a2mp_send(mgr, A2MP_CREATEPHYSLINK_RSP, hdr->ident, sizeof(rsp), - &rsp); + /* Reply error now and success after HCI Write Remote AMP Assoc + command complete with success status + */ + if (rsp.status != A2MP_STATUS_SUCCESS) { + a2mp_send(mgr, A2MP_CREATEPHYSLINK_RSP, hdr->ident, + sizeof(rsp), &rsp); + } else { + set_bit(WRITE_REMOTE_AMP_ASSOC, &mgr->state); + mgr->ident = hdr->ident; + } skb_pull(skb, le16_to_cpu(hdr->len)); return 0; @@ -840,7 +848,7 @@ struct amp_mgr *amp_mgr_lookup_by_state(u8 state) mutex_lock(&_mgr_list_lock); list_for_each_entry(mgr, &_mgr_list, list) { - if (mgr->state == state) { + if (test_and_clear_bit(state, &mgr->state)) { amp_mgr_get(mgr); mutex_unlock(&_mgr_list_lock); return mgr; @@ -949,6 +957,32 @@ clean: kfree(req); } +void a2mp_send_create_phy_link_rsp(struct hci_dev *hdev, u8 status) +{ + struct amp_mgr *mgr; + struct a2mp_physlink_rsp rsp; + struct hci_conn *hs_hcon; + + mgr = amp_mgr_lookup_by_state(WRITE_REMOTE_AMP_ASSOC); + if (!mgr) + return; + + hs_hcon = hci_conn_hash_lookup_state(hdev, AMP_LINK, BT_CONNECT); + if (!hs_hcon) { + rsp.status = A2MP_STATUS_UNABLE_START_LINK_CREATION; + } else { + rsp.remote_id = hs_hcon->remote_id; + rsp.status = A2MP_STATUS_SUCCESS; + } + + BT_DBG("%s mgr %p hs_hcon %p status %u", hdev->name, mgr, hs_hcon, + status); + + rsp.local_id = hdev->id; + a2mp_send(mgr, A2MP_CREATEPHYSLINK_RSP, mgr->ident, sizeof(rsp), &rsp); + amp_mgr_put(mgr); +} + void a2mp_discover_amp(struct l2cap_chan *chan) { struct l2cap_conn *conn = chan->conn; diff --git a/net/bluetooth/amp.c b/net/bluetooth/amp.c index 1b0d92c0643..d459ed43c77 100644 --- a/net/bluetooth/amp.c +++ b/net/bluetooth/amp.c @@ -236,7 +236,7 @@ void amp_read_loc_assoc(struct hci_dev *hdev, struct amp_mgr *mgr) cp.max_len = cpu_to_le16(hdev->amp_assoc_size); - mgr->state = READ_LOC_AMP_ASSOC; + set_bit(READ_LOC_AMP_ASSOC, &mgr->state); hci_send_cmd(hdev, HCI_OP_READ_LOCAL_AMP_ASSOC, sizeof(cp), &cp); } @@ -250,7 +250,7 @@ void amp_read_loc_assoc_final_data(struct hci_dev *hdev, 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; + set_bit(READ_LOC_AMP_ASSOC_FINAL, &mgr->state); /* Read Local AMP Assoc final link information data */ hci_send_cmd(hdev, HCI_OP_READ_LOCAL_AMP_ASSOC, sizeof(cp), &cp); @@ -317,7 +317,9 @@ void amp_write_rem_assoc_continue(struct hci_dev *hdev, u8 handle) if (!hcon) return; - amp_write_rem_assoc_frag(hdev, hcon); + /* Send A2MP create phylink rsp when all fragments are written */ + if (amp_write_rem_assoc_frag(hdev, hcon)) + a2mp_send_create_phy_link_rsp(hdev, 0); } void amp_write_remote_assoc(struct hci_dev *hdev, u8 handle) @@ -403,26 +405,20 @@ void amp_physical_cfm(struct hci_conn *bredr_hcon, struct hci_conn *hs_hcon) void amp_create_logical_link(struct l2cap_chan *chan) { + struct hci_conn *hs_hcon = chan->hs_hcon; struct hci_cp_create_accept_logical_link cp; - struct hci_conn *hcon; struct hci_dev *hdev; - BT_DBG("chan %p", chan); + BT_DBG("chan %p hs_hcon %p dst %pMR", chan, hs_hcon, chan->conn->dst); - if (!chan->hs_hcon) + if (!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.phy_handle = hs_hcon->handle; cp.tx_flow_spec.id = chan->local_id; cp.tx_flow_spec.stype = chan->local_stype; @@ -438,14 +434,13 @@ void amp_create_logical_link(struct l2cap_chan *chan) 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) + if (hs_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); } diff --git a/net/bluetooth/bnep/core.c b/net/bluetooth/bnep/core.c index a5b63970263..e430b1abcd2 100644 --- a/net/bluetooth/bnep/core.c +++ b/net/bluetooth/bnep/core.c @@ -33,7 +33,6 @@ #include <net/bluetooth/bluetooth.h> #include <net/bluetooth/hci_core.h> -#include <net/bluetooth/l2cap.h> #include "bnep.h" diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 0f78e34220c..22e77a78654 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -1146,7 +1146,8 @@ static void hci_power_on(struct work_struct *work) return; if (test_bit(HCI_AUTO_OFF, &hdev->dev_flags)) - schedule_delayed_work(&hdev->power_off, HCI_AUTO_OFF_TIMEOUT); + queue_delayed_work(hdev->req_workqueue, &hdev->power_off, + HCI_AUTO_OFF_TIMEOUT); if (test_and_clear_bit(HCI_SETUP, &hdev->dev_flags)) mgmt_index_added(hdev); @@ -1182,14 +1183,10 @@ static void hci_discov_off(struct work_struct *work) int hci_uuids_clear(struct hci_dev *hdev) { - struct list_head *p, *n; - - list_for_each_safe(p, n, &hdev->uuids) { - struct bt_uuid *uuid; + struct bt_uuid *uuid, *tmp; - uuid = list_entry(p, struct bt_uuid, list); - - list_del(p); + list_for_each_entry_safe(uuid, tmp, &hdev->uuids, list) { + list_del(&uuid->list); kfree(uuid); } @@ -1621,8 +1618,8 @@ static int hci_do_le_scan(struct hci_dev *hdev, u8 type, u16 interval, if (err < 0) return err; - schedule_delayed_work(&hdev->le_scan_disable, - msecs_to_jiffies(timeout)); + queue_delayed_work(hdev->workqueue, &hdev->le_scan_disable, + msecs_to_jiffies(timeout)); return 0; } @@ -1799,6 +1796,15 @@ int hci_register_dev(struct hci_dev *hdev) goto err; } + hdev->req_workqueue = alloc_workqueue(hdev->name, + WQ_HIGHPRI | WQ_UNBOUND | + WQ_MEM_RECLAIM, 1); + if (!hdev->req_workqueue) { + destroy_workqueue(hdev->workqueue); + error = -ENOMEM; + goto err; + } + error = hci_add_sysfs(hdev); if (error < 0) goto err_wqueue; @@ -1821,12 +1827,13 @@ int hci_register_dev(struct hci_dev *hdev) hci_notify(hdev, HCI_DEV_REG); hci_dev_hold(hdev); - schedule_work(&hdev->power_on); + queue_work(hdev->req_workqueue, &hdev->power_on); return id; err_wqueue: destroy_workqueue(hdev->workqueue); + destroy_workqueue(hdev->req_workqueue); err: ida_simple_remove(&hci_index_ida, hdev->id); write_lock(&hci_dev_list_lock); @@ -1880,6 +1887,7 @@ void hci_unregister_dev(struct hci_dev *hdev) hci_del_sysfs(hdev); destroy_workqueue(hdev->workqueue); + destroy_workqueue(hdev->req_workqueue); hci_dev_lock(hdev); hci_blacklist_clear(hdev); diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 81b44481d0d..477726a6351 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -609,8 +609,17 @@ 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 Local Supported Features */ + hci_send_cmd(hdev, HCI_OP_LE_READ_LOCAL_FEATURES, 0, NULL); + /* Read LE Advertising Channel TX Power */ hci_send_cmd(hdev, HCI_OP_LE_READ_ADV_TX_POWER, 0, NULL); + + /* Read LE White List Size */ + hci_send_cmd(hdev, HCI_OP_LE_READ_WHITE_LIST_SIZE, 0, NULL); + + /* Read LE Supported States */ + hci_send_cmd(hdev, HCI_OP_LE_READ_SUPPORTED_STATES, 0, NULL); } static void hci_setup(struct hci_dev *hdev) @@ -1090,6 +1099,19 @@ 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_local_features(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_rp_le_read_local_features *rp = (void *) skb->data; + + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); + + if (!rp->status) + memcpy(hdev->le_features, rp->features, 8); + + hci_req_complete(hdev, HCI_OP_LE_READ_LOCAL_FEATURES, rp->status); +} + static void hci_cc_le_read_adv_tx_power(struct hci_dev *hdev, struct sk_buff *skb) { @@ -1290,6 +1312,19 @@ static void hci_cc_le_set_scan_enable(struct hci_dev *hdev, } } +static void hci_cc_le_read_white_list_size(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_rp_le_read_white_list_size *rp = (void *) skb->data; + + BT_DBG("%s status 0x%2.2x size %u", hdev->name, rp->status, rp->size); + + if (!rp->status) + hdev->le_white_list_size = rp->size; + + hci_req_complete(hdev, HCI_OP_LE_READ_WHITE_LIST_SIZE, rp->status); +} + static void hci_cc_le_ltk_reply(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_rp_le_ltk_reply *rp = (void *) skb->data; @@ -1314,6 +1349,19 @@ static void hci_cc_le_ltk_neg_reply(struct hci_dev *hdev, struct sk_buff *skb) hci_req_complete(hdev, HCI_OP_LE_LTK_NEG_REPLY, rp->status); } +static void hci_cc_le_read_supported_states(struct hci_dev *hdev, + struct sk_buff *skb) +{ + struct hci_rp_le_read_supported_states *rp = (void *) skb->data; + + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); + + if (!rp->status) + memcpy(hdev->le_states, rp->le_states, 8); + + hci_req_complete(hdev, HCI_OP_LE_READ_SUPPORTED_STATES, rp->status); +} + static void hci_cc_write_le_host_supported(struct hci_dev *hdev, struct sk_buff *skb) { @@ -2628,6 +2676,10 @@ 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_LOCAL_FEATURES: + hci_cc_le_read_local_features(hdev, skb); + break; + case HCI_OP_LE_READ_ADV_TX_POWER: hci_cc_le_read_adv_tx_power(hdev, skb); break; @@ -2664,6 +2716,10 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) hci_cc_le_set_scan_enable(hdev, skb); break; + case HCI_OP_LE_READ_WHITE_LIST_SIZE: + hci_cc_le_read_white_list_size(hdev, skb); + break; + case HCI_OP_LE_LTK_REPLY: hci_cc_le_ltk_reply(hdev, skb); break; @@ -2672,6 +2728,10 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) hci_cc_le_ltk_neg_reply(hdev, skb); break; + case HCI_OP_LE_READ_SUPPORTED_STATES: + hci_cc_le_read_supported_states(hdev, skb); + break; + case HCI_OP_WRITE_LE_HOST_SUPPORTED: hci_cc_write_le_host_supported(hdev, skb); break; @@ -3928,8 +3988,6 @@ static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb) void *ptr = &skb->data[1]; s8 rssi; - hci_dev_lock(hdev); - while (num_reports--) { struct hci_ev_le_advertising_info *ev = ptr; @@ -3939,8 +3997,6 @@ static void hci_le_adv_report_evt(struct hci_dev *hdev, struct sk_buff *skb) ptr += sizeof(*ev) + ev->length + 1; } - - hci_dev_unlock(hdev); } static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb) diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c index 55cceee02a8..23b4e242a31 100644 --- a/net/bluetooth/hci_sysfs.c +++ b/net/bluetooth/hci_sysfs.c @@ -2,6 +2,7 @@ #include <linux/debugfs.h> #include <linux/module.h> +#include <asm/unaligned.h> #include <net/bluetooth/bluetooth.h> #include <net/bluetooth/hci_core.h> @@ -461,19 +462,18 @@ static const struct file_operations blacklist_fops = { static void print_bt_uuid(struct seq_file *f, u8 *uuid) { - __be32 data0, data4; - __be16 data1, data2, data3, data5; + u32 data0, data5; + u16 data1, data2, data3, data4; - memcpy(&data0, &uuid[0], 4); - memcpy(&data1, &uuid[4], 2); - memcpy(&data2, &uuid[6], 2); - memcpy(&data3, &uuid[8], 2); - memcpy(&data4, &uuid[10], 4); - memcpy(&data5, &uuid[14], 2); + data5 = get_unaligned_le32(uuid); + data4 = get_unaligned_le16(uuid + 4); + data3 = get_unaligned_le16(uuid + 6); + data2 = get_unaligned_le16(uuid + 8); + data1 = get_unaligned_le16(uuid + 10); + data0 = get_unaligned_le32(uuid + 12); - seq_printf(f, "%.8x-%.4x-%.4x-%.4x-%.8x%.4x\n", - ntohl(data0), ntohs(data1), ntohs(data2), ntohs(data3), - ntohl(data4), ntohs(data5)); + seq_printf(f, "%.8x-%.4x-%.4x-%.4x-%.4x%.8x\n", + data0, data1, data2, data3, data4, data5); } static int uuids_show(struct seq_file *f, void *p) diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index 22e65832284..7c7e9321f1e 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -1527,17 +1527,12 @@ static struct l2cap_conn *l2cap_conn_add(struct hci_conn *hcon, u8 status) BT_DBG("hcon %p conn %p hchan %p", hcon, conn, hchan); 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; diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index f559b966279..39395c7144a 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -35,7 +35,7 @@ bool enable_hs; #define MGMT_VERSION 1 -#define MGMT_REVISION 2 +#define MGMT_REVISION 3 static const u16 mgmt_commands[] = { MGMT_OP_READ_INDEX_LIST, @@ -435,35 +435,117 @@ static u32 get_current_settings(struct hci_dev *hdev) #define PNP_INFO_SVCLASS_ID 0x1200 -static u8 bluetooth_base_uuid[] = { - 0xFB, 0x34, 0x9B, 0x5F, 0x80, 0x00, 0x00, 0x80, - 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, -}; +static u8 *create_uuid16_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len) +{ + u8 *ptr = data, *uuids_start = NULL; + struct bt_uuid *uuid; + + if (len < 4) + return ptr; + + list_for_each_entry(uuid, &hdev->uuids, list) { + u16 uuid16; + + if (uuid->size != 16) + continue; + + uuid16 = get_unaligned_le16(&uuid->uuid[12]); + if (uuid16 < 0x1100) + continue; + + if (uuid16 == PNP_INFO_SVCLASS_ID) + continue; -static u16 get_uuid16(u8 *uuid128) + if (!uuids_start) { + uuids_start = ptr; + uuids_start[0] = 1; + uuids_start[1] = EIR_UUID16_ALL; + ptr += 2; + } + + /* Stop if not enough space to put next UUID */ + if ((ptr - data) + sizeof(u16) > len) { + uuids_start[1] = EIR_UUID16_SOME; + break; + } + + *ptr++ = (uuid16 & 0x00ff); + *ptr++ = (uuid16 & 0xff00) >> 8; + uuids_start[0] += sizeof(uuid16); + } + + return ptr; +} + +static u8 *create_uuid32_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len) { - u32 val; - int i; + u8 *ptr = data, *uuids_start = NULL; + struct bt_uuid *uuid; + + if (len < 6) + return ptr; - for (i = 0; i < 12; i++) { - if (bluetooth_base_uuid[i] != uuid128[i]) - return 0; + list_for_each_entry(uuid, &hdev->uuids, list) { + if (uuid->size != 32) + continue; + + if (!uuids_start) { + uuids_start = ptr; + uuids_start[0] = 1; + uuids_start[1] = EIR_UUID32_ALL; + ptr += 2; + } + + /* Stop if not enough space to put next UUID */ + if ((ptr - data) + sizeof(u32) > len) { + uuids_start[1] = EIR_UUID32_SOME; + break; + } + + memcpy(ptr, &uuid->uuid[12], sizeof(u32)); + ptr += sizeof(u32); + uuids_start[0] += sizeof(u32); } - val = get_unaligned_le32(&uuid128[12]); - if (val > 0xffff) - return 0; + return ptr; +} + +static u8 *create_uuid128_list(struct hci_dev *hdev, u8 *data, ptrdiff_t len) +{ + u8 *ptr = data, *uuids_start = NULL; + struct bt_uuid *uuid; + + if (len < 18) + return ptr; - return (u16) val; + list_for_each_entry(uuid, &hdev->uuids, list) { + if (uuid->size != 128) + continue; + + if (!uuids_start) { + uuids_start = ptr; + uuids_start[0] = 1; + uuids_start[1] = EIR_UUID128_ALL; + ptr += 2; + } + + /* Stop if not enough space to put next UUID */ + if ((ptr - data) + 16 > len) { + uuids_start[1] = EIR_UUID128_SOME; + break; + } + + memcpy(ptr, uuid->uuid, 16); + ptr += 16; + uuids_start[0] += 16; + } + + return ptr; } static void create_eir(struct hci_dev *hdev, u8 *data) { u8 *ptr = data; - u16 eir_len = 0; - u16 uuid16_list[HCI_MAX_EIR_LENGTH / sizeof(u16)]; - int i, truncated = 0; - struct bt_uuid *uuid; size_t name_len; name_len = strlen(hdev->dev_name); @@ -481,7 +563,6 @@ static void create_eir(struct hci_dev *hdev, u8 *data) memcpy(ptr + 2, hdev->dev_name, name_len); - eir_len += (name_len + 2); ptr += (name_len + 2); } @@ -490,7 +571,6 @@ static void create_eir(struct hci_dev *hdev, u8 *data) ptr[1] = EIR_TX_POWER; ptr[2] = (u8) hdev->inq_tx_power; - eir_len += 3; ptr += 3; } @@ -503,60 +583,12 @@ static void create_eir(struct hci_dev *hdev, u8 *data) put_unaligned_le16(hdev->devid_product, ptr + 6); put_unaligned_le16(hdev->devid_version, ptr + 8); - eir_len += 10; ptr += 10; } - memset(uuid16_list, 0, sizeof(uuid16_list)); - - /* Group all UUID16 types */ - list_for_each_entry(uuid, &hdev->uuids, list) { - u16 uuid16; - - uuid16 = get_uuid16(uuid->uuid); - if (uuid16 == 0) - return; - - if (uuid16 < 0x1100) - continue; - - if (uuid16 == PNP_INFO_SVCLASS_ID) - continue; - - /* Stop if not enough space to put next UUID */ - if (eir_len + 2 + sizeof(u16) > HCI_MAX_EIR_LENGTH) { - truncated = 1; - break; - } - - /* Check for duplicates */ - for (i = 0; uuid16_list[i] != 0; i++) - if (uuid16_list[i] == uuid16) - break; - - if (uuid16_list[i] == 0) { - uuid16_list[i] = uuid16; - eir_len += sizeof(u16); - } - } - - if (uuid16_list[0] != 0) { - u8 *length = ptr; - - /* EIR Data type */ - ptr[1] = truncated ? EIR_UUID16_SOME : EIR_UUID16_ALL; - - ptr += 2; - eir_len += 2; - - for (i = 0; uuid16_list[i] != 0; i++) { - *ptr++ = (uuid16_list[i] & 0x00ff); - *ptr++ = (uuid16_list[i] & 0xff00) >> 8; - } - - /* EIR Data length */ - *length = (i * sizeof(u16)) + 1; - } + ptr = create_uuid16_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data)); + ptr = create_uuid32_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data)); + ptr = create_uuid128_list(hdev, ptr, HCI_MAX_EIR_LENGTH - (ptr - data)); } static int update_eir(struct hci_dev *hdev) @@ -728,13 +760,9 @@ static void mgmt_pending_foreach(u16 opcode, struct hci_dev *hdev, void *data), void *data) { - struct list_head *p, *n; - - list_for_each_safe(p, n, &hdev->mgmt_pending) { - struct pending_cmd *cmd; - - cmd = list_entry(p, struct pending_cmd, list); + struct pending_cmd *cmd, *tmp; + list_for_each_entry_safe(cmd, tmp, &hdev->mgmt_pending, list) { if (opcode > 0 && cmd->opcode != opcode) continue; @@ -777,14 +805,19 @@ static int set_powered(struct sock *sk, struct hci_dev *hdev, void *data, BT_DBG("request for %s", hdev->name); + if (cp->val != 0x00 && cp->val != 0x01) + return cmd_status(sk, hdev->id, MGMT_OP_SET_POWERED, + MGMT_STATUS_INVALID_PARAMS); + hci_dev_lock(hdev); if (test_and_clear_bit(HCI_AUTO_OFF, &hdev->dev_flags)) { cancel_delayed_work(&hdev->power_off); if (cp->val) { - err = send_settings_rsp(sk, MGMT_OP_SET_POWERED, hdev); - mgmt_powered(hdev, 1); + mgmt_pending_add(sk, MGMT_OP_SET_POWERED, hdev, + data, len); + err = mgmt_powered(hdev, 1); goto failed; } } @@ -807,9 +840,9 @@ static int set_powered(struct sock *sk, struct hci_dev *hdev, void *data, } if (cp->val) - schedule_work(&hdev->power_on); + queue_work(hdev->req_workqueue, &hdev->power_on); else - schedule_work(&hdev->power_off.work); + queue_work(hdev->req_workqueue, &hdev->power_off.work); err = 0; @@ -872,6 +905,10 @@ static int set_discoverable(struct sock *sk, struct hci_dev *hdev, void *data, return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, MGMT_STATUS_NOT_SUPPORTED); + if (cp->val != 0x00 && cp->val != 0x01) + return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, + MGMT_STATUS_INVALID_PARAMS); + timeout = __le16_to_cpu(cp->timeout); if (!cp->val && timeout > 0) return cmd_status(sk, hdev->id, MGMT_OP_SET_DISCOVERABLE, @@ -971,6 +1008,10 @@ static int set_connectable(struct sock *sk, struct hci_dev *hdev, void *data, return cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE, MGMT_STATUS_NOT_SUPPORTED); + if (cp->val != 0x00 && cp->val != 0x01) + return cmd_status(sk, hdev->id, MGMT_OP_SET_CONNECTABLE, + MGMT_STATUS_INVALID_PARAMS); + hci_dev_lock(hdev); if (!hdev_is_powered(hdev)) { @@ -1041,6 +1082,10 @@ static int set_pairable(struct sock *sk, struct hci_dev *hdev, void *data, BT_DBG("request for %s", hdev->name); + if (cp->val != 0x00 && cp->val != 0x01) + return cmd_status(sk, hdev->id, MGMT_OP_SET_PAIRABLE, + MGMT_STATUS_INVALID_PARAMS); + hci_dev_lock(hdev); if (cp->val) @@ -1073,6 +1118,10 @@ static int set_link_security(struct sock *sk, struct hci_dev *hdev, void *data, return cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY, MGMT_STATUS_NOT_SUPPORTED); + if (cp->val != 0x00 && cp->val != 0x01) + return cmd_status(sk, hdev->id, MGMT_OP_SET_LINK_SECURITY, + MGMT_STATUS_INVALID_PARAMS); + hci_dev_lock(hdev); if (!hdev_is_powered(hdev)) { @@ -1133,13 +1182,15 @@ static int set_ssp(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) BT_DBG("request for %s", hdev->name); - hci_dev_lock(hdev); + if (!lmp_ssp_capable(hdev)) + return cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, + MGMT_STATUS_NOT_SUPPORTED); - if (!lmp_ssp_capable(hdev)) { - err = cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, - MGMT_STATUS_NOT_SUPPORTED); - goto failed; - } + if (cp->val != 0x00 && cp->val != 0x01) + return cmd_status(sk, hdev->id, MGMT_OP_SET_SSP, + MGMT_STATUS_INVALID_PARAMS); + + hci_dev_lock(hdev); val = !!cp->val; @@ -1199,6 +1250,10 @@ static int set_hs(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) return cmd_status(sk, hdev->id, MGMT_OP_SET_HS, MGMT_STATUS_NOT_SUPPORTED); + if (cp->val != 0x00 && cp->val != 0x01) + return cmd_status(sk, hdev->id, MGMT_OP_SET_HS, + MGMT_STATUS_INVALID_PARAMS); + if (cp->val) set_bit(HCI_HS_ENABLED, &hdev->dev_flags); else @@ -1217,13 +1272,15 @@ static int set_le(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) BT_DBG("request for %s", hdev->name); - hci_dev_lock(hdev); + if (!lmp_le_capable(hdev)) + return cmd_status(sk, hdev->id, MGMT_OP_SET_LE, + MGMT_STATUS_NOT_SUPPORTED); - if (!lmp_le_capable(hdev)) { - err = cmd_status(sk, hdev->id, MGMT_OP_SET_LE, - MGMT_STATUS_NOT_SUPPORTED); - goto unlock; - } + if (cp->val != 0x00 && cp->val != 0x01) + return cmd_status(sk, hdev->id, MGMT_OP_SET_LE, + MGMT_STATUS_INVALID_PARAMS); + + hci_dev_lock(hdev); val = !!cp->val; enabled = lmp_host_le_capable(hdev); @@ -1275,6 +1332,25 @@ unlock: return err; } +static const u8 bluetooth_base_uuid[] = { + 0xfb, 0x34, 0x9b, 0x5f, 0x80, 0x00, 0x00, 0x80, + 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, +}; + +static u8 get_uuid_size(const u8 *uuid) +{ + u32 val; + + if (memcmp(uuid, bluetooth_base_uuid, 12)) + return 128; + + val = get_unaligned_le32(&uuid[12]); + if (val > 0xffff) + return 32; + + return 16; +} + static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) { struct mgmt_cp_add_uuid *cp = data; @@ -1300,8 +1376,9 @@ static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) memcpy(uuid->uuid, cp->uuid, 16); uuid->svc_hint = cp->svc_hint; + uuid->size = get_uuid_size(cp->uuid); - list_add(&uuid->list, &hdev->uuids); + list_add_tail(&uuid->list, &hdev->uuids); err = update_class(hdev); if (err < 0) @@ -1332,7 +1409,8 @@ static bool enable_service_cache(struct hci_dev *hdev) return false; if (!test_and_set_bit(HCI_SERVICE_CACHE, &hdev->dev_flags)) { - schedule_delayed_work(&hdev->service_cache, CACHE_TIMEOUT); + queue_delayed_work(hdev->workqueue, &hdev->service_cache, + CACHE_TIMEOUT); return true; } @@ -1344,7 +1422,7 @@ static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data, { struct mgmt_cp_remove_uuid *cp = data; struct pending_cmd *cmd; - struct list_head *p, *n; + struct bt_uuid *match, *tmp; u8 bt_uuid_any[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; int err, found; @@ -1372,9 +1450,7 @@ static int remove_uuid(struct sock *sk, struct hci_dev *hdev, void *data, found = 0; - list_for_each_safe(p, n, &hdev->uuids) { - struct bt_uuid *match = list_entry(p, struct bt_uuid, list); - + list_for_each_entry_safe(match, tmp, &hdev->uuids, list) { if (memcmp(match->uuid, cp->uuid, 16) != 0) continue; @@ -1422,13 +1498,19 @@ static int set_dev_class(struct sock *sk, struct hci_dev *hdev, void *data, BT_DBG("request for %s", hdev->name); - hci_dev_lock(hdev); + if (!lmp_bredr_capable(hdev)) + return cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, + MGMT_STATUS_NOT_SUPPORTED); - if (test_bit(HCI_PENDING_CLASS, &hdev->dev_flags)) { - err = cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, - MGMT_STATUS_BUSY); - goto unlock; - } + if (test_bit(HCI_PENDING_CLASS, &hdev->dev_flags)) + return cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, + MGMT_STATUS_BUSY); + + if ((cp->minor & 0x03) != 0 || (cp->major & 0xe0) != 0) + return cmd_status(sk, hdev->id, MGMT_OP_SET_DEV_CLASS, + MGMT_STATUS_INVALID_PARAMS); + + hci_dev_lock(hdev); hdev->major_class = cp->major; hdev->minor_class = cp->minor; @@ -1483,9 +1565,21 @@ static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data, MGMT_STATUS_INVALID_PARAMS); } + if (cp->debug_keys != 0x00 && cp->debug_keys != 0x01) + return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, + MGMT_STATUS_INVALID_PARAMS); + BT_DBG("%s debug_keys %u key_count %u", hdev->name, cp->debug_keys, key_count); + for (i = 0; i < key_count; i++) { + struct mgmt_link_key_info *key = &cp->keys[i]; + + if (key->addr.type != BDADDR_BREDR) + return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LINK_KEYS, + MGMT_STATUS_INVALID_PARAMS); + } + hci_dev_lock(hdev); hci_link_keys_clear(hdev); @@ -1533,12 +1627,22 @@ static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data, struct hci_conn *conn; int err; - hci_dev_lock(hdev); - memset(&rp, 0, sizeof(rp)); bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); rp.addr.type = cp->addr.type; + if (!bdaddr_type_is_valid(cp->addr.type)) + return cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, + MGMT_STATUS_INVALID_PARAMS, + &rp, sizeof(rp)); + + if (cp->disconnect != 0x00 && cp->disconnect != 0x01) + return cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, + MGMT_STATUS_INVALID_PARAMS, + &rp, sizeof(rp)); + + hci_dev_lock(hdev); + if (!hdev_is_powered(hdev)) { err = cmd_complete(sk, hdev->id, MGMT_OP_UNPAIR_DEVICE, MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp)); @@ -1596,6 +1700,7 @@ static int disconnect(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) { struct mgmt_cp_disconnect *cp = data; + struct mgmt_rp_disconnect rp; struct hci_cp_disconnect dc; struct pending_cmd *cmd; struct hci_conn *conn; @@ -1603,17 +1708,26 @@ static int disconnect(struct sock *sk, struct hci_dev *hdev, void *data, BT_DBG(""); + memset(&rp, 0, sizeof(rp)); + bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); + rp.addr.type = cp->addr.type; + + if (!bdaddr_type_is_valid(cp->addr.type)) + return cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT, + MGMT_STATUS_INVALID_PARAMS, + &rp, sizeof(rp)); + hci_dev_lock(hdev); if (!test_bit(HCI_UP, &hdev->flags)) { - err = cmd_status(sk, hdev->id, MGMT_OP_DISCONNECT, - MGMT_STATUS_NOT_POWERED); + err = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT, + MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp)); goto failed; } if (mgmt_pending_find(MGMT_OP_DISCONNECT, hdev)) { - err = cmd_status(sk, hdev->id, MGMT_OP_DISCONNECT, - MGMT_STATUS_BUSY); + err = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT, + MGMT_STATUS_BUSY, &rp, sizeof(rp)); goto failed; } @@ -1624,8 +1738,8 @@ static int disconnect(struct sock *sk, struct hci_dev *hdev, void *data, conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->addr.bdaddr); if (!conn || conn->state == BT_OPEN || conn->state == BT_CLOSED) { - err = cmd_status(sk, hdev->id, MGMT_OP_DISCONNECT, - MGMT_STATUS_NOT_CONNECTED); + err = cmd_complete(sk, hdev->id, MGMT_OP_DISCONNECT, + MGMT_STATUS_NOT_CONNECTED, &rp, sizeof(rp)); goto failed; } @@ -1903,11 +2017,20 @@ static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data, BT_DBG(""); + memset(&rp, 0, sizeof(rp)); + bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); + rp.addr.type = cp->addr.type; + + if (!bdaddr_type_is_valid(cp->addr.type)) + return cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE, + MGMT_STATUS_INVALID_PARAMS, + &rp, sizeof(rp)); + hci_dev_lock(hdev); if (!hdev_is_powered(hdev)) { - err = cmd_status(sk, hdev->id, MGMT_OP_PAIR_DEVICE, - MGMT_STATUS_NOT_POWERED); + err = cmd_complete(sk, hdev->id, MGMT_OP_PAIR_DEVICE, + MGMT_STATUS_NOT_POWERED, &rp, sizeof(rp)); goto unlock; } @@ -1924,10 +2047,6 @@ static int pair_device(struct sock *sk, struct hci_dev *hdev, void *data, conn = hci_connect(hdev, LE_LINK, &cp->addr.bdaddr, cp->addr.type, sec_level, auth_type); - memset(&rp, 0, sizeof(rp)); - bacpy(&rp.addr.bdaddr, &cp->addr.bdaddr); - rp.addr.type = cp->addr.type; - if (IS_ERR(conn)) { int status; @@ -2254,24 +2373,16 @@ static int add_remote_oob_data(struct sock *sk, struct hci_dev *hdev, hci_dev_lock(hdev); - if (!hdev_is_powered(hdev)) { - err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA, - MGMT_STATUS_NOT_POWERED, &cp->addr, - sizeof(cp->addr)); - goto unlock; - } - err = hci_add_remote_oob_data(hdev, &cp->addr.bdaddr, cp->hash, cp->randomizer); if (err < 0) status = MGMT_STATUS_FAILED; else - status = 0; + status = MGMT_STATUS_SUCCESS; err = cmd_complete(sk, hdev->id, MGMT_OP_ADD_REMOTE_OOB_DATA, status, &cp->addr, sizeof(cp->addr)); -unlock: hci_dev_unlock(hdev); return err; } @@ -2287,24 +2398,15 @@ static int remove_remote_oob_data(struct sock *sk, struct hci_dev *hdev, hci_dev_lock(hdev); - if (!hdev_is_powered(hdev)) { - err = cmd_complete(sk, hdev->id, - MGMT_OP_REMOVE_REMOTE_OOB_DATA, - MGMT_STATUS_NOT_POWERED, &cp->addr, - sizeof(cp->addr)); - goto unlock; - } - err = hci_remove_remote_oob_data(hdev, &cp->addr.bdaddr); if (err < 0) status = MGMT_STATUS_INVALID_PARAMS; else - status = 0; + status = MGMT_STATUS_SUCCESS; err = cmd_complete(sk, hdev->id, MGMT_OP_REMOVE_REMOTE_OOB_DATA, status, &cp->addr, sizeof(cp->addr)); -unlock: hci_dev_unlock(hdev); return err; } @@ -2365,31 +2467,45 @@ static int start_discovery(struct sock *sk, struct hci_dev *hdev, switch (hdev->discovery.type) { case DISCOV_TYPE_BREDR: - if (lmp_bredr_capable(hdev)) - err = hci_do_inquiry(hdev, INQUIRY_LEN_BREDR); - else - err = -ENOTSUPP; + if (!lmp_bredr_capable(hdev)) { + err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY, + MGMT_STATUS_NOT_SUPPORTED); + mgmt_pending_remove(cmd); + goto failed; + } + + err = hci_do_inquiry(hdev, INQUIRY_LEN_BREDR); break; case DISCOV_TYPE_LE: - if (lmp_host_le_capable(hdev)) - err = hci_le_scan(hdev, LE_SCAN_TYPE, LE_SCAN_INT, - LE_SCAN_WIN, LE_SCAN_TIMEOUT_LE_ONLY); - else - err = -ENOTSUPP; + if (!lmp_host_le_capable(hdev)) { + err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY, + MGMT_STATUS_NOT_SUPPORTED); + mgmt_pending_remove(cmd); + goto failed; + } + + err = hci_le_scan(hdev, LE_SCAN_TYPE, LE_SCAN_INT, + LE_SCAN_WIN, LE_SCAN_TIMEOUT_LE_ONLY); break; case DISCOV_TYPE_INTERLEAVED: - if (lmp_host_le_capable(hdev) && lmp_bredr_capable(hdev)) - err = hci_le_scan(hdev, LE_SCAN_TYPE, LE_SCAN_INT, - LE_SCAN_WIN, - LE_SCAN_TIMEOUT_BREDR_LE); - else - err = -ENOTSUPP; + if (!lmp_host_le_capable(hdev) || !lmp_bredr_capable(hdev)) { + err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY, + MGMT_STATUS_NOT_SUPPORTED); + mgmt_pending_remove(cmd); + goto failed; + } + + err = hci_le_scan(hdev, LE_SCAN_TYPE, LE_SCAN_INT, LE_SCAN_WIN, + LE_SCAN_TIMEOUT_BREDR_LE); break; default: - err = -EINVAL; + err = cmd_status(sk, hdev->id, MGMT_OP_START_DISCOVERY, + MGMT_STATUS_INVALID_PARAMS); + mgmt_pending_remove(cmd); + goto failed; } if (err < 0) @@ -2510,7 +2626,8 @@ static int confirm_name(struct sock *sk, struct hci_dev *hdev, void *data, hci_inquiry_cache_update_resolve(hdev, e); } - err = 0; + err = cmd_complete(sk, hdev->id, MGMT_OP_CONFIRM_NAME, 0, &cp->addr, + sizeof(cp->addr)); failed: hci_dev_unlock(hdev); @@ -2526,13 +2643,18 @@ static int block_device(struct sock *sk, struct hci_dev *hdev, void *data, BT_DBG("%s", hdev->name); + if (!bdaddr_type_is_valid(cp->addr.type)) + return cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, + MGMT_STATUS_INVALID_PARAMS, + &cp->addr, sizeof(cp->addr)); + hci_dev_lock(hdev); err = hci_blacklist_add(hdev, &cp->addr.bdaddr, cp->addr.type); if (err < 0) status = MGMT_STATUS_FAILED; else - status = 0; + status = MGMT_STATUS_SUCCESS; err = cmd_complete(sk, hdev->id, MGMT_OP_BLOCK_DEVICE, status, &cp->addr, sizeof(cp->addr)); @@ -2551,13 +2673,18 @@ static int unblock_device(struct sock *sk, struct hci_dev *hdev, void *data, BT_DBG("%s", hdev->name); + if (!bdaddr_type_is_valid(cp->addr.type)) + return cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, + MGMT_STATUS_INVALID_PARAMS, + &cp->addr, sizeof(cp->addr)); + hci_dev_lock(hdev); err = hci_blacklist_del(hdev, &cp->addr.bdaddr, cp->addr.type); if (err < 0) status = MGMT_STATUS_INVALID_PARAMS; else - status = 0; + status = MGMT_STATUS_SUCCESS; err = cmd_complete(sk, hdev->id, MGMT_OP_UNBLOCK_DEVICE, status, &cp->addr, sizeof(cp->addr)); @@ -2612,6 +2739,10 @@ static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev, return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, MGMT_STATUS_NOT_SUPPORTED); + if (cp->val != 0x00 && cp->val != 0x01) + return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, + MGMT_STATUS_INVALID_PARAMS); + if (!hdev_is_powered(hdev)) return cmd_status(sk, hdev->id, MGMT_OP_SET_FAST_CONNECTABLE, MGMT_STATUS_NOT_POWERED); @@ -2659,12 +2790,23 @@ done: return err; } +static bool ltk_is_valid(struct mgmt_ltk_info *key) +{ + if (key->authenticated != 0x00 && key->authenticated != 0x01) + return false; + if (key->master != 0x00 && key->master != 0x01) + return false; + if (!bdaddr_type_is_le(key->addr.type)) + return false; + return true; +} + static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev, void *cp_data, u16 len) { struct mgmt_cp_load_long_term_keys *cp = cp_data; u16 key_count, expected_len; - int i; + int i, err; key_count = __le16_to_cpu(cp->key_count); @@ -2674,11 +2816,20 @@ static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev, BT_ERR("load_keys: expected %u bytes, got %u bytes", len, expected_len); return cmd_status(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, - EINVAL); + MGMT_STATUS_INVALID_PARAMS); } BT_DBG("%s key_count %u", hdev->name, key_count); + for (i = 0; i < key_count; i++) { + struct mgmt_ltk_info *key = &cp->keys[i]; + + if (!ltk_is_valid(key)) + return cmd_status(sk, hdev->id, + MGMT_OP_LOAD_LONG_TERM_KEYS, + MGMT_STATUS_INVALID_PARAMS); + } + hci_dev_lock(hdev); hci_smp_ltks_clear(hdev); @@ -2698,9 +2849,12 @@ static int load_long_term_keys(struct sock *sk, struct hci_dev *hdev, key->enc_size, key->ediv, key->rand); } + err = cmd_complete(sk, hdev->id, MGMT_OP_LOAD_LONG_TERM_KEYS, 0, + NULL, 0); + hci_dev_unlock(hdev); - return 0; + return err; } static const struct mgmt_handler { @@ -2915,6 +3069,8 @@ int mgmt_powered(struct hci_dev *hdev, u8 powered) mgmt_pending_foreach(MGMT_OP_SET_POWERED, hdev, settings_rsp, &match); if (powered) { + u8 link_sec; + if (test_bit(HCI_SSP_ENABLED, &hdev->dev_flags) && !lmp_host_ssp_capable(hdev)) { u8 ssp = 1; @@ -2938,6 +3094,11 @@ int mgmt_powered(struct hci_dev *hdev, u8 powered) sizeof(cp), &cp); } + link_sec = test_bit(HCI_LINK_SECURITY, &hdev->dev_flags); + if (link_sec != test_bit(HCI_AUTH, &hdev->flags)) + hci_send_cmd(hdev, HCI_OP_WRITE_AUTH_ENABLE, + sizeof(link_sec), &link_sec); + if (lmp_bredr_capable(hdev)) { set_bredr_scan(hdev); update_class(hdev); @@ -2946,7 +3107,13 @@ int mgmt_powered(struct hci_dev *hdev, u8 powered) } } else { u8 status = MGMT_STATUS_NOT_POWERED; + u8 zero_cod[] = { 0, 0, 0 }; + mgmt_pending_foreach(0, hdev, cmd_status_rsp, &status); + + if (memcmp(hdev->dev_class, zero_cod, sizeof(zero_cod)) != 0) + mgmt_event(MGMT_EV_CLASS_OF_DEV_CHANGED, hdev, + zero_cod, sizeof(zero_cod), NULL); } err = new_settings(hdev, match.sk); diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c index 57f250c20e3..b5178d62064 100644 --- a/net/bluetooth/sco.c +++ b/net/bluetooth/sco.c @@ -900,8 +900,6 @@ static void sco_conn_ready(struct sco_conn *conn) BT_DBG("conn %p", conn); - sco_conn_lock(conn); - if (sk) { sco_sock_clear_timer(sk); bh_lock_sock(sk); @@ -909,9 +907,13 @@ static void sco_conn_ready(struct sco_conn *conn) sk->sk_state_change(sk); bh_unlock_sock(sk); } else { + sco_conn_lock(conn); + parent = sco_get_sock_listen(conn->src); - if (!parent) - goto done; + if (!parent) { + sco_conn_unlock(conn); + return; + } bh_lock_sock(parent); @@ -919,7 +921,8 @@ static void sco_conn_ready(struct sco_conn *conn) BTPROTO_SCO, GFP_ATOMIC); if (!sk) { bh_unlock_sock(parent); - goto done; + sco_conn_unlock(conn); + return; } sco_sock_init(sk, parent); @@ -939,10 +942,9 @@ static void sco_conn_ready(struct sco_conn *conn) parent->sk_data_ready(parent, 1); bh_unlock_sock(parent); - } -done: - sco_conn_unlock(conn); + sco_conn_unlock(conn); + } } /* ----- SCO interface with lower layer (HCI) ----- */ diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c index 808338a1bce..31bf2586fb8 100644 --- a/net/mac80211/agg-rx.c +++ b/net/mac80211/agg-rx.c @@ -83,8 +83,8 @@ void ___ieee80211_stop_rx_ba_session(struct sta_info *sta, u16 tid, if (drv_ampdu_action(local, sta->sdata, IEEE80211_AMPDU_RX_STOP, &sta->sta, tid, NULL, 0)) sdata_info(sta->sdata, - "HW problem - can not stop rx aggregation for tid %d\n", - tid); + "HW problem - can not stop rx aggregation for %pM tid %d\n", + sta->sta.addr, tid); /* check if this is a self generated aggregation halt */ if (initiator == WLAN_BACK_RECIPIENT && tx) @@ -159,7 +159,8 @@ static void sta_rx_agg_session_timer_expired(unsigned long data) } rcu_read_unlock(); - ht_dbg(sta->sdata, "rx session timer expired on tid %d\n", (u16)*ptid); + ht_dbg(sta->sdata, "RX session timer expired on %pM tid %d\n", + sta->sta.addr, (u16)*ptid); set_bit(*ptid, sta->ampdu_mlme.tid_rx_timer_expired); ieee80211_queue_work(&sta->local->hw, &sta->ampdu_mlme.work); @@ -247,7 +248,9 @@ void ieee80211_process_addba_request(struct ieee80211_local *local, status = WLAN_STATUS_REQUEST_DECLINED; if (test_sta_flag(sta, WLAN_STA_BLOCK_BA)) { - ht_dbg(sta->sdata, "Suspend in progress - Denying ADDBA request\n"); + ht_dbg(sta->sdata, + "Suspend in progress - Denying ADDBA request (%pM tid %d)\n", + sta->sta.addr, tid); goto end_no_lock; } @@ -317,7 +320,8 @@ void ieee80211_process_addba_request(struct ieee80211_local *local, ret = drv_ampdu_action(local, sta->sdata, IEEE80211_AMPDU_RX_START, &sta->sta, tid, &start_seq_num, 0); - ht_dbg(sta->sdata, "Rx A-MPDU request on tid %d result %d\n", tid, ret); + ht_dbg(sta->sdata, "Rx A-MPDU request on %pM tid %d result %d\n", + sta->sta.addr, tid, ret); if (ret) { kfree(tid_agg_rx->reorder_buf); kfree(tid_agg_rx->reorder_time); diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c index 2f0ccbc5f13..13b7683de5a 100644 --- a/net/mac80211/agg-tx.c +++ b/net/mac80211/agg-tx.c @@ -296,7 +296,7 @@ int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, IEEE80211_AMPDU_TX_STOP_FLUSH_CONT, &sta->sta, tid, NULL, 0); WARN_ON_ONCE(ret); - goto remove_tid_tx; + return 0; } if (test_bit(HT_AGG_STATE_WANT_START, &tid_tx->state)) { @@ -354,12 +354,15 @@ int ___ieee80211_stop_tx_ba_session(struct sta_info *sta, u16 tid, */ } - if (reason == AGG_STOP_DESTROY_STA) { - remove_tid_tx: - spin_lock_bh(&sta->lock); - ieee80211_remove_tid_tx(sta, tid); - spin_unlock_bh(&sta->lock); - } + /* + * In the case of AGG_STOP_DESTROY_STA, the driver won't + * necessarily call ieee80211_stop_tx_ba_cb(), so this may + * seem like we can leave the tid_tx data pending forever. + * This is true, in a way, but "forever" is only until the + * station struct is actually destroyed. In the meantime, + * leaving it around ensures that we don't transmit packets + * to the driver on this TID which might confuse it. + */ return 0; } @@ -387,12 +390,13 @@ static void sta_addba_resp_timer_expired(unsigned long data) test_bit(HT_AGG_STATE_RESPONSE_RECEIVED, &tid_tx->state)) { rcu_read_unlock(); ht_dbg(sta->sdata, - "timer expired on tid %d but we are not (or no longer) expecting addBA response there\n", - tid); + "timer expired on %pM tid %d but we are not (or no longer) expecting addBA response there\n", + sta->sta.addr, tid); return; } - ht_dbg(sta->sdata, "addBA response timer expired on tid %d\n", tid); + ht_dbg(sta->sdata, "addBA response timer expired on %pM tid %d\n", + sta->sta.addr, tid); ieee80211_stop_tx_ba_session(&sta->sta, tid); rcu_read_unlock(); @@ -429,7 +433,8 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid) &sta->sta, tid, &start_seq_num, 0); if (ret) { ht_dbg(sdata, - "BA request denied - HW unavailable for tid %d\n", tid); + "BA request denied - HW unavailable for %pM tid %d\n", + sta->sta.addr, tid); spin_lock_bh(&sta->lock); ieee80211_agg_splice_packets(sdata, tid_tx, tid); ieee80211_assign_tid_tx(sta, tid, NULL); @@ -442,7 +447,8 @@ void ieee80211_tx_ba_session_handle_start(struct sta_info *sta, int tid) /* activate the timer for the recipient's addBA response */ mod_timer(&tid_tx->addba_resp_timer, jiffies + ADDBA_RESP_INTERVAL); - ht_dbg(sdata, "activated addBA response timer on tid %d\n", tid); + ht_dbg(sdata, "activated addBA response timer on %pM tid %d\n", + sta->sta.addr, tid); spin_lock_bh(&sta->lock); sta->ampdu_mlme.last_addba_req_time[tid] = jiffies; @@ -489,7 +495,8 @@ static void sta_tx_agg_session_timer_expired(unsigned long data) rcu_read_unlock(); - ht_dbg(sta->sdata, "tx session timer expired on tid %d\n", (u16)*ptid); + ht_dbg(sta->sdata, "tx session timer expired on %pM tid %d\n", + sta->sta.addr, (u16)*ptid); ieee80211_stop_tx_ba_session(&sta->sta, *ptid); } @@ -525,7 +532,8 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid, if (test_sta_flag(sta, WLAN_STA_BLOCK_BA)) { ht_dbg(sdata, - "BA sessions blocked - Denying BA session request\n"); + "BA sessions blocked - Denying BA session request %pM tid %d\n", + sta->sta.addr, tid); return -EINVAL; } @@ -566,8 +574,8 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid, time_before(jiffies, sta->ampdu_mlme.last_addba_req_time[tid] + HT_AGG_RETRIES_PERIOD)) { ht_dbg(sdata, - "BA request denied - waiting a grace period after %d failed requests on tid %u\n", - sta->ampdu_mlme.addba_req_num[tid], tid); + "BA request denied - waiting a grace period after %d failed requests on %pM tid %u\n", + sta->ampdu_mlme.addba_req_num[tid], sta->sta.addr, tid); ret = -EBUSY; goto err_unlock_sta; } @@ -576,8 +584,8 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid, /* check if the TID is not in aggregation flow already */ if (tid_tx || sta->ampdu_mlme.tid_start_tx[tid]) { ht_dbg(sdata, - "BA request denied - session is not idle on tid %u\n", - tid); + "BA request denied - session is not idle on %pM tid %u\n", + sta->sta.addr, tid); ret = -EAGAIN; goto err_unlock_sta; } @@ -632,7 +640,8 @@ static void ieee80211_agg_tx_operational(struct ieee80211_local *local, tid_tx = rcu_dereference_protected_tid_tx(sta, tid); - ht_dbg(sta->sdata, "Aggregation is on for tid %d\n", tid); + ht_dbg(sta->sdata, "Aggregation is on for %pM tid %d\n", + sta->sta.addr, tid); drv_ampdu_action(local, sta->sdata, IEEE80211_AMPDU_TX_OPERATIONAL, @@ -802,7 +811,9 @@ void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid) tid_tx = rcu_dereference_protected_tid_tx(sta, tid); if (!tid_tx || !test_bit(HT_AGG_STATE_STOPPING, &tid_tx->state)) { - ht_dbg(sdata, "unexpected callback to A-MPDU stop\n"); + ht_dbg(sdata, + "unexpected callback to A-MPDU stop for %pM tid %d\n", + sta->sta.addr, tid); goto unlock_sta; } @@ -861,13 +872,15 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local, goto out; if (mgmt->u.action.u.addba_resp.dialog_token != tid_tx->dialog_token) { - ht_dbg(sta->sdata, "wrong addBA response token, tid %d\n", tid); + ht_dbg(sta->sdata, "wrong addBA response token, %pM tid %d\n", + sta->sta.addr, tid); goto out; } del_timer_sync(&tid_tx->addba_resp_timer); - ht_dbg(sta->sdata, "switched off addBA timer for tid %d\n", tid); + ht_dbg(sta->sdata, "switched off addBA timer for %pM tid %d\n", + sta->sta.addr, tid); /* * addba_resp_timer may have fired before we got here, and @@ -877,8 +890,8 @@ void ieee80211_process_addba_resp(struct ieee80211_local *local, if (test_bit(HT_AGG_STATE_WANT_STOP, &tid_tx->state) || test_bit(HT_AGG_STATE_STOPPING, &tid_tx->state)) { ht_dbg(sta->sdata, - "got addBA resp for tid %d but we already gave up\n", - tid); + "got addBA resp for %pM tid %d but we already gave up\n", + sta->sta.addr, tid); goto out; } diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h index 0c07f94c537..434b3c4f31b 100644 --- a/net/mac80211/driver-ops.h +++ b/net/mac80211/driver-ops.h @@ -569,7 +569,8 @@ static inline void drv_sta_rc_update(struct ieee80211_local *local, check_sdata_in_driver(sdata); WARN_ON(changed & IEEE80211_RC_SUPP_RATES_CHANGED && - sdata->vif.type != NL80211_IFTYPE_ADHOC); + (sdata->vif.type != NL80211_IFTYPE_ADHOC && + sdata->vif.type != NL80211_IFTYPE_MESH_POINT)); trace_drv_sta_rc_update(local, sdata, sta, changed); if (local->ops->sta_rc_update) @@ -845,11 +846,12 @@ static inline void drv_set_rekey_data(struct ieee80211_local *local, } static inline void drv_rssi_callback(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, const enum ieee80211_rssi_event event) { - trace_drv_rssi_callback(local, event); + trace_drv_rssi_callback(local, sdata, event); if (local->ops->rssi_callback) - local->ops->rssi_callback(&local->hw, event); + local->ops->rssi_callback(&local->hw, &sdata->vif, event); trace_drv_return_void(local); } @@ -1020,4 +1022,32 @@ static inline void drv_restart_complete(struct ieee80211_local *local) trace_drv_return_void(local); } +static inline void +drv_set_default_unicast_key(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + int key_idx) +{ + check_sdata_in_driver(sdata); + + WARN_ON_ONCE(key_idx < -1 || key_idx > 3); + + trace_drv_set_default_unicast_key(local, sdata, key_idx); + if (local->ops->set_default_unicast_key) + local->ops->set_default_unicast_key(&local->hw, &sdata->vif, + key_idx); + trace_drv_return_void(local); +} + +#if IS_ENABLED(CONFIG_IPV6) +static inline void drv_ipv6_addr_change(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + struct inet6_dev *idev) +{ + trace_drv_ipv6_addr_change(local, sdata); + if (local->ops->ipv6_addr_change) + local->ops->ipv6_addr_change(&local->hw, &sdata->vif, idev); + trace_drv_return_void(local); +} +#endif + #endif /* __MAC80211_DRIVER_OPS */ diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 63f0430c131..5fba867d9e2 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -747,8 +747,6 @@ struct ieee80211_sub_if_data { struct work_struct work; struct sk_buff_head skb_queue; - bool arp_filter_state; - u8 needed_rx_chains; enum ieee80211_smps_mode smps_mode; @@ -1129,6 +1127,7 @@ struct ieee80211_local { struct timer_list dynamic_ps_timer; struct notifier_block network_latency_notifier; struct notifier_block ifa_notifier; + struct notifier_block ifa6_notifier; /* * The dynamic ps timeout configured from user space via WEXT - diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index 06fac2991d4..0a36dc6346b 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -1574,9 +1574,6 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name, /* initialise type-independent data */ sdata->wdev.wiphy = local->hw.wiphy; sdata->local = local; -#ifdef CONFIG_INET - sdata->arp_filter_state = true; -#endif for (i = 0; i < IEEE80211_FRAGMENT_MAX; i++) skb_queue_head_init(&sdata->fragments[i].skb_list); diff --git a/net/mac80211/key.c b/net/mac80211/key.c index 619c5d69799..ef252eb58c3 100644 --- a/net/mac80211/key.c +++ b/net/mac80211/key.c @@ -204,8 +204,11 @@ static void __ieee80211_set_default_key(struct ieee80211_sub_if_data *sdata, if (idx >= 0 && idx < NUM_DEFAULT_KEYS) key = key_mtx_dereference(sdata->local, sdata->keys[idx]); - if (uni) + if (uni) { rcu_assign_pointer(sdata->default_unicast_key, key); + drv_set_default_unicast_key(sdata->local, sdata, idx); + } + if (multi) rcu_assign_pointer(sdata->default_multicast_key, key); diff --git a/net/mac80211/main.c b/net/mac80211/main.c index 39cfe8f10ad..2bdd454e8bc 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -23,6 +23,7 @@ #include <linux/inetdevice.h> #include <net/net_namespace.h> #include <net/cfg80211.h> +#include <net/addrconf.h> #include "ieee80211_i.h" #include "driver-ops.h" @@ -349,27 +350,19 @@ static int ieee80211_ifa_changed(struct notifier_block *nb, /* Copy the addresses to the bss_conf list */ ifa = idev->ifa_list; - while (c < IEEE80211_BSS_ARP_ADDR_LIST_LEN && ifa) { - bss_conf->arp_addr_list[c] = ifa->ifa_address; + while (ifa) { + if (c < IEEE80211_BSS_ARP_ADDR_LIST_LEN) + bss_conf->arp_addr_list[c] = ifa->ifa_address; ifa = ifa->ifa_next; c++; } - /* If not all addresses fit the list, disable filtering */ - if (ifa) { - sdata->arp_filter_state = false; - c = 0; - } else { - sdata->arp_filter_state = true; - } bss_conf->arp_addr_cnt = c; /* Configure driver only if associated (which also implies it is up) */ - if (ifmgd->associated) { - bss_conf->arp_filter_enabled = sdata->arp_filter_state; + if (ifmgd->associated) ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_ARP_FILTER); - } mutex_unlock(&ifmgd->mtx); @@ -377,6 +370,37 @@ static int ieee80211_ifa_changed(struct notifier_block *nb, } #endif +#if IS_ENABLED(CONFIG_IPV6) +static int ieee80211_ifa6_changed(struct notifier_block *nb, + unsigned long data, void *arg) +{ + struct inet6_ifaddr *ifa = (struct inet6_ifaddr *)arg; + struct inet6_dev *idev = ifa->idev; + struct net_device *ndev = ifa->idev->dev; + struct ieee80211_local *local = + container_of(nb, struct ieee80211_local, ifa6_notifier); + struct wireless_dev *wdev = ndev->ieee80211_ptr; + struct ieee80211_sub_if_data *sdata; + + /* Make sure it's our interface that got changed */ + if (!wdev || wdev->wiphy != local->hw.wiphy) + return NOTIFY_DONE; + + sdata = IEEE80211_DEV_TO_SUB_IF(ndev); + + /* + * For now only support station mode. This is mostly because + * doing AP would have to handle AP_VLAN in some way ... + */ + if (sdata->vif.type != NL80211_IFTYPE_STATION) + return NOTIFY_DONE; + + drv_ipv6_addr_change(local, sdata, idev); + + return NOTIFY_DONE; +} +#endif + static int ieee80211_napi_poll(struct napi_struct *napi, int budget) { struct ieee80211_local *local = @@ -985,12 +1009,25 @@ int ieee80211_register_hw(struct ieee80211_hw *hw) goto fail_ifa; #endif +#if IS_ENABLED(CONFIG_IPV6) + local->ifa6_notifier.notifier_call = ieee80211_ifa6_changed; + result = register_inet6addr_notifier(&local->ifa6_notifier); + if (result) + goto fail_ifa6; +#endif + netif_napi_add(&local->napi_dev, &local->napi, ieee80211_napi_poll, local->hw.napi_weight); return 0; +#if IS_ENABLED(CONFIG_IPV6) + fail_ifa6: #ifdef CONFIG_INET + unregister_inetaddr_notifier(&local->ifa_notifier); +#endif +#endif +#if defined(CONFIG_INET) || defined(CONFIG_IPV6) fail_ifa: pm_qos_remove_notifier(PM_QOS_NETWORK_LATENCY, &local->network_latency_notifier); @@ -1026,6 +1063,9 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw) #ifdef CONFIG_INET unregister_inetaddr_notifier(&local->ifa_notifier); #endif +#if IS_ENABLED(CONFIG_IPV6) + unregister_inet6addr_notifier(&local->ifa6_notifier); +#endif rtnl_lock(); diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c index 9e0416696a8..81e612682bc 100644 --- a/net/mac80211/mesh_plink.c +++ b/net/mac80211/mesh_plink.c @@ -55,30 +55,6 @@ static inline void mesh_plink_fsm_restart(struct sta_info *sta) sta->plink_retries = 0; } -/* - * Allocate mesh sta entry and insert into station table - */ -static struct sta_info *mesh_plink_alloc(struct ieee80211_sub_if_data *sdata, - u8 *hw_addr) -{ - struct sta_info *sta; - - if (sdata->local->num_sta >= MESH_MAX_PLINKS) - return NULL; - - sta = sta_info_alloc(sdata, hw_addr, GFP_KERNEL); - if (!sta) - return NULL; - - sta_info_pre_move_state(sta, IEEE80211_STA_AUTH); - sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC); - sta_info_pre_move_state(sta, IEEE80211_STA_AUTHORIZED); - - set_sta_flag(sta, WLAN_STA_WME); - - return sta; -} - /** * mesh_set_ht_prot_mode - set correct HT protection mode * @@ -309,53 +285,27 @@ free: return err; } -/** - * mesh_peer_init - initialize new mesh peer and return resulting sta_info - * - * @sdata: local meshif - * @addr: peer's address - * @elems: IEs from beacon or mesh peering frame - * - * call under RCU - */ -static struct sta_info *mesh_peer_init(struct ieee80211_sub_if_data *sdata, - u8 *addr, - struct ieee802_11_elems *elems) +static void mesh_sta_info_init(struct ieee80211_sub_if_data *sdata, + struct sta_info *sta, + struct ieee802_11_elems *elems, bool insert) { struct ieee80211_local *local = sdata->local; enum ieee80211_band band = ieee80211_get_sdata_band(sdata); struct ieee80211_supported_band *sband; - u32 rates, basic_rates = 0; - struct sta_info *sta; - bool insert = false; + u32 rates, basic_rates = 0, changed = 0; sband = local->hw.wiphy->bands[band]; rates = ieee80211_sta_get_rates(local, elems, band, &basic_rates); - sta = sta_info_get(sdata, addr); - if (!sta) { - /* Userspace handles peer allocation when security is enabled */ - if (sdata->u.mesh.security & IEEE80211_MESH_SEC_AUTHED) { - cfg80211_notify_new_peer_candidate(sdata->dev, addr, - elems->ie_start, - elems->total_len, - GFP_ATOMIC); - return NULL; - } - - sta = mesh_plink_alloc(sdata, addr); - if (!sta) - return NULL; - insert = true; - } - spin_lock_bh(&sta->lock); sta->last_rx = jiffies; - if (sta->plink_state == NL80211_PLINK_ESTAB) { - spin_unlock_bh(&sta->lock); - return sta; - } + /* rates and capabilities don't change during peering */ + if (sta->plink_state == NL80211_PLINK_ESTAB) + goto out; + + if (sta->sta.supp_rates[band] != rates) + changed |= IEEE80211_RC_SUPP_RATES_CHANGED; sta->sta.supp_rates[band] = rates; if (elems->ht_cap_elem && sdata->vif.bss_conf.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) @@ -374,27 +324,115 @@ static struct sta_info *mesh_peer_init(struct ieee80211_sub_if_data *sdata, ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; ieee80211_ht_oper_to_chandef(sdata->vif.bss_conf.chandef.chan, elems->ht_operation, &chandef); + if (sta->ch_width != chandef.width) + changed |= IEEE80211_RC_BW_CHANGED; sta->ch_width = chandef.width; } if (insert) rate_control_rate_init(sta); + else + rate_control_rate_update(local, sband, sta, changed); +out: spin_unlock_bh(&sta->lock); +} + +static struct sta_info * +__mesh_sta_info_alloc(struct ieee80211_sub_if_data *sdata, u8 *hw_addr) +{ + struct sta_info *sta; - if (insert && sta_info_insert(sta)) + if (sdata->local->num_sta >= MESH_MAX_PLINKS) return NULL; + sta = sta_info_alloc(sdata, hw_addr, GFP_KERNEL); + if (!sta) + return NULL; + + sta->plink_state = NL80211_PLINK_LISTEN; + init_timer(&sta->plink_timer); + + sta_info_pre_move_state(sta, IEEE80211_STA_AUTH); + sta_info_pre_move_state(sta, IEEE80211_STA_ASSOC); + sta_info_pre_move_state(sta, IEEE80211_STA_AUTHORIZED); + + set_sta_flag(sta, WLAN_STA_WME); + + return sta; +} + +static struct sta_info * +mesh_sta_info_alloc(struct ieee80211_sub_if_data *sdata, u8 *addr, + struct ieee802_11_elems *elems) +{ + struct sta_info *sta = NULL; + + /* Userspace handles peer allocation when security is enabled */ + if (sdata->u.mesh.security & IEEE80211_MESH_SEC_AUTHED) + cfg80211_notify_new_peer_candidate(sdata->dev, addr, + elems->ie_start, + elems->total_len, + GFP_KERNEL); + else + sta = __mesh_sta_info_alloc(sdata, addr); + + return sta; +} + +/* + * mesh_sta_info_get - return mesh sta info entry for @addr. + * + * @sdata: local meshif + * @addr: peer's address + * @elems: IEs from beacon or mesh peering frame. + * + * Return existing or newly allocated sta_info under RCU read lock. + * (re)initialize with given IEs. + */ +static struct sta_info * +mesh_sta_info_get(struct ieee80211_sub_if_data *sdata, + u8 *addr, struct ieee802_11_elems *elems) __acquires(RCU) +{ + struct sta_info *sta = NULL; + + rcu_read_lock(); + sta = sta_info_get(sdata, addr); + if (sta) { + mesh_sta_info_init(sdata, sta, elems, false); + } else { + rcu_read_unlock(); + /* can't run atomic */ + sta = mesh_sta_info_alloc(sdata, addr, elems); + if (!sta) { + rcu_read_lock(); + return NULL; + } + + mesh_sta_info_init(sdata, sta, elems, true); + + if (sta_info_insert_rcu(sta)) + return NULL; + } + return sta; } +/* + * mesh_neighbour_update - update or initialize new mesh neighbor. + * + * @sdata: local meshif + * @addr: peer's address + * @elems: IEs from beacon or mesh peering frame + * + * Initiates peering if appropriate. + */ void mesh_neighbour_update(struct ieee80211_sub_if_data *sdata, u8 *hw_addr, struct ieee802_11_elems *elems) { struct sta_info *sta; - rcu_read_lock(); - sta = mesh_peer_init(sdata, hw_addr, elems); + sta = mesh_sta_info_get(sdata, hw_addr, elems); if (!sta) goto out; @@ -632,6 +670,7 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m (ftype == WLAN_SP_MESH_PEERING_CLOSE && ie_len == 8)) memcpy(&llid, PLINK_GET_PLID(elems.peering), 2); + /* WARNING: Only for sta pointer, is dropped & re-acquired */ rcu_read_lock(); sta = sta_info_get(sdata, mgmt->sa); @@ -735,8 +774,9 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m } if (event == OPN_ACPT) { + rcu_read_unlock(); /* allocate sta entry if necessary and update info */ - sta = mesh_peer_init(sdata, mgmt->sa, &elems); + sta = mesh_sta_info_get(sdata, mgmt->sa, &elems); if (!sta) { mpl_dbg(sdata, "Mesh plink: failed to init peer!\n"); rcu_read_unlock(); diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index e930175771f..5913fb924b1 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -1465,10 +1465,8 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata, bss_info_changed |= BSS_CHANGED_CQM; /* Enable ARP filtering */ - if (bss_conf->arp_filter_enabled != sdata->arp_filter_state) { - bss_conf->arp_filter_enabled = sdata->arp_filter_state; + if (bss_conf->arp_addr_cnt) bss_info_changed |= BSS_CHANGED_ARP_FILTER; - } ieee80211_bss_info_change_notify(sdata, bss_info_changed); @@ -1489,7 +1487,6 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata, { struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; struct ieee80211_local *local = sdata->local; - struct sta_info *sta; u32 changed = 0; ASSERT_MGD_MTX(ifmgd); @@ -1521,14 +1518,6 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata, netif_tx_stop_all_queues(sdata->dev); netif_carrier_off(sdata->dev); - mutex_lock(&local->sta_mtx); - sta = sta_info_get(sdata, ifmgd->bssid); - if (sta) { - set_sta_flag(sta, WLAN_STA_BLOCK_BA); - ieee80211_sta_tear_down_BA_sessions(sta, AGG_STOP_DESTROY_STA); - } - mutex_unlock(&local->sta_mtx); - /* * if we want to get out of ps before disassoc (why?) we have * to do it before sending disassoc, as otherwise the null-packet @@ -1582,10 +1571,8 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata, cancel_work_sync(&local->dynamic_ps_enable_work); /* Disable ARP filtering */ - if (sdata->vif.bss_conf.arp_filter_enabled) { - sdata->vif.bss_conf.arp_filter_enabled = false; + if (sdata->vif.bss_conf.arp_addr_cnt) changed |= BSS_CHANGED_ARP_FILTER; - } sdata->vif.bss_conf.qos = false; changed |= BSS_CHANGED_QOS; @@ -2608,12 +2595,12 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, if (sig > ifmgd->rssi_max_thold && (last_sig <= ifmgd->rssi_min_thold || last_sig == 0)) { ifmgd->last_ave_beacon_signal = sig; - drv_rssi_callback(local, RSSI_EVENT_HIGH); + drv_rssi_callback(local, sdata, RSSI_EVENT_HIGH); } else if (sig < ifmgd->rssi_min_thold && (last_sig >= ifmgd->rssi_max_thold || last_sig == 0)) { ifmgd->last_ave_beacon_signal = sig; - drv_rssi_callback(local, RSSI_EVENT_LOW); + drv_rssi_callback(local, sdata, RSSI_EVENT_LOW); } } @@ -3169,23 +3156,22 @@ void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata) { struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; - if (!ifmgd->associated) + mutex_lock(&ifmgd->mtx); + if (!ifmgd->associated) { + mutex_unlock(&ifmgd->mtx); return; + } if (sdata->flags & IEEE80211_SDATA_DISCONNECT_RESUME) { sdata->flags &= ~IEEE80211_SDATA_DISCONNECT_RESUME; - mutex_lock(&ifmgd->mtx); - if (ifmgd->associated) { - mlme_dbg(sdata, - "driver requested disconnect after resume\n"); - ieee80211_sta_connection_lost(sdata, - ifmgd->associated->bssid, - WLAN_REASON_UNSPECIFIED); - mutex_unlock(&ifmgd->mtx); - return; - } + mlme_dbg(sdata, "driver requested disconnect after resume\n"); + ieee80211_sta_connection_lost(sdata, + ifmgd->associated->bssid, + WLAN_REASON_UNSPECIFIED); mutex_unlock(&ifmgd->mtx); + return; } + mutex_unlock(&ifmgd->mtx); if (test_and_clear_bit(TMR_RUNNING_TIMER, &ifmgd->timers_running)) add_timer(&ifmgd->timer); diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index 9d864ed5f3d..227233c3ff7 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -380,11 +380,6 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata, sta_dbg(sdata, "Allocated STA %pM\n", sta->sta.addr); -#ifdef CONFIG_MAC80211_MESH - sta->plink_state = NL80211_PLINK_LISTEN; - init_timer(&sta->plink_timer); -#endif - return sta; } diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h index 41861b91daa..6ca53d64cb2 100644 --- a/net/mac80211/trace.h +++ b/net/mac80211/trace.h @@ -347,8 +347,11 @@ TRACE_EVENT(drv_bss_info_changed, __field(s32, cqm_rssi_hyst); __field(u32, channel_width); __field(u32, channel_cfreq1); - __dynamic_array(u32, arp_addr_list, info->arp_addr_cnt); - __field(bool, arp_filter_enabled); + __dynamic_array(u32, arp_addr_list, + info->arp_addr_cnt > IEEE80211_BSS_ARP_ADDR_LIST_LEN ? + IEEE80211_BSS_ARP_ADDR_LIST_LEN : + info->arp_addr_cnt); + __field(int, arp_addr_cnt); __field(bool, qos); __field(bool, idle); __field(bool, ps); @@ -384,9 +387,11 @@ TRACE_EVENT(drv_bss_info_changed, __entry->cqm_rssi_hyst = info->cqm_rssi_hyst; __entry->channel_width = info->chandef.width; __entry->channel_cfreq1 = info->chandef.center_freq1; + __entry->arp_addr_cnt = info->arp_addr_cnt; memcpy(__get_dynamic_array(arp_addr_list), info->arp_addr_list, - sizeof(u32) * info->arp_addr_cnt); - __entry->arp_filter_enabled = info->arp_filter_enabled; + sizeof(u32) * (info->arp_addr_cnt > IEEE80211_BSS_ARP_ADDR_LIST_LEN ? + IEEE80211_BSS_ARP_ADDR_LIST_LEN : + info->arp_addr_cnt)); __entry->qos = info->qos; __entry->idle = info->idle; __entry->ps = info->ps; @@ -1184,23 +1189,26 @@ TRACE_EVENT(drv_set_rekey_data, TRACE_EVENT(drv_rssi_callback, TP_PROTO(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, enum ieee80211_rssi_event rssi_event), - TP_ARGS(local, rssi_event), + TP_ARGS(local, sdata, rssi_event), TP_STRUCT__entry( LOCAL_ENTRY + VIF_ENTRY __field(u32, rssi_event) ), TP_fast_assign( LOCAL_ASSIGN; + VIF_ASSIGN; __entry->rssi_event = rssi_event; ), TP_printk( - LOCAL_PR_FMT " rssi_event:%d", - LOCAL_PR_ARG, __entry->rssi_event + LOCAL_PR_FMT VIF_PR_FMT " rssi_event:%d", + LOCAL_PR_ARG, VIF_PR_ARG, __entry->rssi_event ) ); @@ -1432,6 +1440,14 @@ DEFINE_EVENT(local_only_evt, drv_restart_complete, TP_ARGS(local) ); +#if IS_ENABLED(CONFIG_IPV6) +DEFINE_EVENT(local_sdata_evt, drv_ipv6_addr_change, + TP_PROTO(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata), + TP_ARGS(local, sdata) +); +#endif + /* * Tracing for API calls that drivers call. */ @@ -1821,6 +1837,29 @@ TRACE_EVENT(stop_queue, ) ); +TRACE_EVENT(drv_set_default_unicast_key, + TP_PROTO(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + int key_idx), + + TP_ARGS(local, sdata, key_idx), + + TP_STRUCT__entry( + LOCAL_ENTRY + VIF_ENTRY + __field(int, key_idx) + ), + + TP_fast_assign( + LOCAL_ASSIGN; + VIF_ASSIGN; + __entry->key_idx = key_idx; + ), + + TP_printk(LOCAL_PR_FMT VIF_PR_FMT " key_idx:%d", + LOCAL_PR_ARG, VIF_PR_ARG, __entry->key_idx) +); + #ifdef CONFIG_MAC80211_MESSAGE_TRACING #undef TRACE_SYSTEM #define TRACE_SYSTEM mac80211_msg diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index f32d68186db..a2cb6a302cc 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1787,16 +1787,16 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, break; /* fall through */ case NL80211_IFTYPE_AP: + if (sdata->vif.type == NL80211_IFTYPE_AP) + chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); + if (!chanctx_conf) + goto fail_rcu; fc |= cpu_to_le16(IEEE80211_FCTL_FROMDS); /* DA BSSID SA */ memcpy(hdr.addr1, skb->data, ETH_ALEN); memcpy(hdr.addr2, sdata->vif.addr, ETH_ALEN); memcpy(hdr.addr3, skb->data + ETH_ALEN, ETH_ALEN); hdrlen = 24; - if (sdata->vif.type == NL80211_IFTYPE_AP) - chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf); - if (!chanctx_conf) - goto fail_rcu; band = chanctx_conf->def.chan->band; break; case NL80211_IFTYPE_WDS: diff --git a/net/wireless/core.c b/net/wireless/core.c index 9245729694d..40dbe37cfbf 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -478,6 +478,11 @@ int wiphy_register(struct wiphy *wiphy) ETH_ALEN))) return -EINVAL; + if (WARN_ON(wiphy->max_acl_mac_addrs && + (!(wiphy->flags & WIPHY_FLAG_HAVE_AP_SME) || + !rdev->ops->set_mac_acl))) + return -EINVAL; + if (wiphy->addresses) memcpy(wiphy->perm_addr, wiphy->addresses[0].addr, ETH_ALEN); diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 33de80364c5..b5978ab4ad7 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -365,6 +365,8 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = { [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 }, [NL80211_ATTR_P2P_CTWINDOW] = { .type = NLA_U8 }, [NL80211_ATTR_P2P_OPPPS] = { .type = NLA_U8 }, + [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 }, + [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED }, }; /* policy for the key attributes */ @@ -1268,6 +1270,12 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 portid, u32 seq, int flag dev->wiphy.ht_capa_mod_mask)) goto nla_put_failure; + if (dev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME && + dev->wiphy.max_acl_mac_addrs && + nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX, + dev->wiphy.max_acl_mac_addrs)) + goto nla_put_failure; + return genlmsg_end(msg, hdr); nla_put_failure: @@ -2491,6 +2499,97 @@ static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info) return err; } +/* This function returns an error or the number of nested attributes */ +static int validate_acl_mac_addrs(struct nlattr *nl_attr) +{ + struct nlattr *attr; + int n_entries = 0, tmp; + + nla_for_each_nested(attr, nl_attr, tmp) { + if (nla_len(attr) != ETH_ALEN) + return -EINVAL; + + n_entries++; + } + + return n_entries; +} + +/* + * This function parses ACL information and allocates memory for ACL data. + * On successful return, the calling function is responsible to free the + * ACL buffer returned by this function. + */ +static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy, + struct genl_info *info) +{ + enum nl80211_acl_policy acl_policy; + struct nlattr *attr; + struct cfg80211_acl_data *acl; + int i = 0, n_entries, tmp; + + if (!wiphy->max_acl_mac_addrs) + return ERR_PTR(-EOPNOTSUPP); + + if (!info->attrs[NL80211_ATTR_ACL_POLICY]) + return ERR_PTR(-EINVAL); + + acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]); + if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED && + acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED) + return ERR_PTR(-EINVAL); + + if (!info->attrs[NL80211_ATTR_MAC_ADDRS]) + return ERR_PTR(-EINVAL); + + n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]); + if (n_entries < 0) + return ERR_PTR(n_entries); + + if (n_entries > wiphy->max_acl_mac_addrs) + return ERR_PTR(-ENOTSUPP); + + acl = kzalloc(sizeof(*acl) + (sizeof(struct mac_address) * n_entries), + GFP_KERNEL); + if (!acl) + return ERR_PTR(-ENOMEM); + + nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) { + memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN); + i++; + } + + acl->n_acl_entries = n_entries; + acl->acl_policy = acl_policy; + + return acl; +} + +static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info) +{ + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct net_device *dev = info->user_ptr[1]; + struct cfg80211_acl_data *acl; + int err; + + if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && + dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) + return -EOPNOTSUPP; + + if (!dev->ieee80211_ptr->beacon_interval) + return -EINVAL; + + acl = parse_acl_data(&rdev->wiphy, info); + if (IS_ERR(acl)) + return PTR_ERR(acl); + + err = rdev_set_mac_acl(rdev, dev, acl); + + kfree(acl); + + return err; +} + static int nl80211_parse_beacon(struct genl_info *info, struct cfg80211_beacon_data *bcn) { @@ -2734,6 +2833,12 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) if (err) return err; + if (info->attrs[NL80211_ATTR_ACL_POLICY]) { + params.acl = parse_acl_data(&rdev->wiphy, info); + if (IS_ERR(params.acl)) + return PTR_ERR(params.acl); + } + err = rdev_start_ap(rdev, dev, ¶ms); if (!err) { wdev->preset_chandef = params.chandef; @@ -2742,6 +2847,9 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) wdev->ssid_len = params.ssid_len; memcpy(wdev->ssid, params.ssid, wdev->ssid_len); } + + kfree(params.acl); + return err; } @@ -7876,6 +7984,14 @@ static struct genl_ops nl80211_ops[] = { .internal_flags = NL80211_FLAG_NEED_NETDEV | NL80211_FLAG_NEED_RTNL, }, + { + .cmd = NL80211_CMD_SET_MAC_ACL, + .doit = nl80211_set_mac_acl, + .policy = nl80211_policy, + .flags = GENL_ADMIN_PERM, + .internal_flags = NL80211_FLAG_NEED_NETDEV | + NL80211_FLAG_NEED_RTNL, + }, }; static struct genl_multicast_group nl80211_mlme_mcgrp = { diff --git a/net/wireless/rdev-ops.h b/net/wireless/rdev-ops.h index 6c0c8191f83..422d38291d6 100644 --- a/net/wireless/rdev-ops.h +++ b/net/wireless/rdev-ops.h @@ -875,4 +875,16 @@ static inline void rdev_stop_p2p_device(struct cfg80211_registered_device *rdev, rdev->ops->stop_p2p_device(&rdev->wiphy, wdev); trace_rdev_return_void(&rdev->wiphy); } + +static inline int rdev_set_mac_acl(struct cfg80211_registered_device *rdev, + struct net_device *dev, + struct cfg80211_acl_data *params) +{ + int ret; + + trace_rdev_set_mac_acl(&rdev->wiphy, dev, params); + ret = rdev->ops->set_mac_acl(&rdev->wiphy, dev, params); + trace_rdev_return_int(&rdev->wiphy, ret); + return ret; +} #endif /* __CFG80211_RDEV_OPS */ diff --git a/net/wireless/trace.h b/net/wireless/trace.h index 2134576f426..8bc55319968 100644 --- a/net/wireless/trace.h +++ b/net/wireless/trace.h @@ -1767,6 +1767,24 @@ DEFINE_EVENT(wiphy_wdev_evt, rdev_stop_p2p_device, TP_ARGS(wiphy, wdev) ); +TRACE_EVENT(rdev_set_mac_acl, + TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, + struct cfg80211_acl_data *params), + TP_ARGS(wiphy, netdev, params), + TP_STRUCT__entry( + WIPHY_ENTRY + NETDEV_ENTRY + __field(u32, acl_policy) + ), + TP_fast_assign( + WIPHY_ASSIGN; + WIPHY_ASSIGN; + __entry->acl_policy = params->acl_policy; + ), + TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", acl policy: %d", + WIPHY_PR_ARG, NETDEV_PR_ARG, __entry->acl_policy) +); + /************************************************************* * cfg80211 exported functions traces * *************************************************************/ diff --git a/net/wireless/util.c b/net/wireless/util.c index 1c2795d52db..d7873c7ae0e 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -1212,7 +1212,8 @@ int cfg80211_can_use_iftype_chan(struct cfg80211_registered_device *rdev, case NL80211_IFTYPE_MESH_POINT: case NL80211_IFTYPE_P2P_GO: case NL80211_IFTYPE_WDS: - radar_required = !!(chan->flags & IEEE80211_CHAN_RADAR); + radar_required = !!(chan && + (chan->flags & IEEE80211_CHAN_RADAR)); break; case NL80211_IFTYPE_P2P_CLIENT: case NL80211_IFTYPE_STATION: |