From 975b91bb17e70c0dc33ad07f16097106a9c2c6a2 Mon Sep 17 00:00:00 2001 From: Andrei Emeltchenko Date: Mon, 11 Jun 2012 11:13:06 +0300 Subject: Bluetooth: Use standard HCI cmd timeout for RESET Remove magic and use standard HCI cmd timeout Signed-off-by: Andrei Emeltchenko Acked-by: Marcel Holtmann Signed-off-by: Gustavo Padovan --- net/bluetooth/hci_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'net') diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 08994ecc3b6..471e4fb1b6e 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -783,7 +783,7 @@ static int hci_dev_do_close(struct hci_dev *hdev) test_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks)) { set_bit(HCI_INIT, &hdev->flags); __hci_request(hdev, hci_reset_req, 0, - msecs_to_jiffies(250)); + msecs_to_jiffies(HCI_CMD_TIMEOUT)); clear_bit(HCI_INIT, &hdev->flags); } -- cgit v1.2.2 From 5f246e890502fed387e0f959e2224ea680c03423 Mon Sep 17 00:00:00 2001 From: Andrei Emeltchenko Date: Mon, 11 Jun 2012 11:13:07 +0300 Subject: Bluetooth: Update HCI timeouts constants to use msecs_to_jiffies The HCI constants are always used in form of jiffies. So just include the conversion from msecs in the define itself. This has the advantage of making the code where the timeout is used more readable and avoiding unnecessary conversions. The patch is similar to commit ba13ccd9 doing the same job for L2CAP Reported-by: Marcel Holtmann Signed-off-by: Andrei Emeltchenko Signed-off-by: Gustavo Padovan --- net/bluetooth/hci_core.c | 25 +++++++++++-------------- 1 file changed, 11 insertions(+), 14 deletions(-) (limited to 'net') diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 471e4fb1b6e..e91bf7e1566 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -690,12 +690,11 @@ int hci_dev_open(__u16 dev) set_bit(HCI_INIT, &hdev->flags); hdev->init_last_cmd = 0; - ret = __hci_request(hdev, hci_init_req, 0, - msecs_to_jiffies(HCI_INIT_TIMEOUT)); + 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, - msecs_to_jiffies(HCI_INIT_TIMEOUT)); + HCI_INIT_TIMEOUT); clear_bit(HCI_INIT, &hdev->flags); } @@ -782,8 +781,7 @@ static int hci_dev_do_close(struct hci_dev *hdev) if (!test_bit(HCI_RAW, &hdev->flags) && test_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks)) { set_bit(HCI_INIT, &hdev->flags); - __hci_request(hdev, hci_reset_req, 0, - msecs_to_jiffies(HCI_CMD_TIMEOUT)); + __hci_request(hdev, hci_reset_req, 0, HCI_CMD_TIMEOUT); clear_bit(HCI_INIT, &hdev->flags); } @@ -872,8 +870,7 @@ int hci_dev_reset(__u16 dev) hdev->acl_cnt = 0; hdev->sco_cnt = 0; hdev->le_cnt = 0; if (!test_bit(HCI_RAW, &hdev->flags)) - ret = __hci_request(hdev, hci_reset_req, 0, - msecs_to_jiffies(HCI_INIT_TIMEOUT)); + ret = __hci_request(hdev, hci_reset_req, 0, HCI_INIT_TIMEOUT); done: hci_req_unlock(hdev); @@ -913,7 +910,7 @@ int hci_dev_cmd(unsigned int cmd, void __user *arg) switch (cmd) { case HCISETAUTH: err = hci_request(hdev, hci_auth_req, dr.dev_opt, - msecs_to_jiffies(HCI_INIT_TIMEOUT)); + HCI_INIT_TIMEOUT); break; case HCISETENCRYPT: @@ -925,23 +922,23 @@ int hci_dev_cmd(unsigned int cmd, void __user *arg) if (!test_bit(HCI_AUTH, &hdev->flags)) { /* Auth must be enabled first */ err = hci_request(hdev, hci_auth_req, dr.dev_opt, - msecs_to_jiffies(HCI_INIT_TIMEOUT)); + HCI_INIT_TIMEOUT); if (err) break; } err = hci_request(hdev, hci_encrypt_req, dr.dev_opt, - msecs_to_jiffies(HCI_INIT_TIMEOUT)); + HCI_INIT_TIMEOUT); break; case HCISETSCAN: err = hci_request(hdev, hci_scan_req, dr.dev_opt, - msecs_to_jiffies(HCI_INIT_TIMEOUT)); + HCI_INIT_TIMEOUT); break; case HCISETLINKPOL: err = hci_request(hdev, hci_linkpol_req, dr.dev_opt, - msecs_to_jiffies(HCI_INIT_TIMEOUT)); + HCI_INIT_TIMEOUT); break; case HCISETLINKMODE: @@ -2455,7 +2452,7 @@ static void __check_timeout(struct hci_dev *hdev, unsigned int cnt) /* ACL tx timeout must be longer than maximum * link supervision timeout (40.9 seconds) */ if (!cnt && time_after(jiffies, hdev->acl_last_tx + - msecs_to_jiffies(HCI_ACL_TX_TIMEOUT))) + HCI_ACL_TX_TIMEOUT)) hci_link_tx_to(hdev, ACL_LINK); } } @@ -2839,7 +2836,7 @@ static void hci_cmd_work(struct work_struct *work) del_timer(&hdev->cmd_timer); else mod_timer(&hdev->cmd_timer, - jiffies + msecs_to_jiffies(HCI_CMD_TIMEOUT)); + jiffies + HCI_CMD_TIMEOUT); } else { skb_queue_head(&hdev->cmd_q, skb); queue_work(hdev->workqueue, &hdev->cmd_work); -- cgit v1.2.2 From bda4f23a5c20deabb07545591be872145528b4ed Mon Sep 17 00:00:00 2001 From: Andrei Emeltchenko Date: Mon, 11 Jun 2012 11:13:08 +0300 Subject: Bluetooth: Add opcode to error message Sometimes HCI command sending timeouts and gives error message without specifying which command causes error. Patch makes sure that opcode is printed to help debugging. Signed-off-by: Andrei Emeltchenko Signed-off-by: Gustavo Padovan --- net/bluetooth/hci_core.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) (limited to 'net') diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index e91bf7e1566..88858963ec2 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -1366,11 +1366,19 @@ int hci_remove_ltk(struct hci_dev *hdev, bdaddr_t *bdaddr) } /* HCI command timer function */ -static void hci_cmd_timer(unsigned long arg) +static void hci_cmd_timeout(unsigned long arg) { struct hci_dev *hdev = (void *) arg; - BT_ERR("%s command tx timeout", hdev->name); + if (hdev->sent_cmd) { + struct hci_command_hdr *sent = (void *) hdev->sent_cmd->data; + u16 opcode = __le16_to_cpu(sent->opcode); + + BT_ERR("%s command 0x%4.4x tx timeout", hdev->name, opcode); + } else { + BT_ERR("%s command tx timeout", hdev->name); + } + atomic_set(&hdev->cmd_cnt, 1); queue_work(hdev->workqueue, &hdev->cmd_work); } @@ -1668,7 +1676,7 @@ struct hci_dev *hci_alloc_dev(void) init_waitqueue_head(&hdev->req_wait_q); - setup_timer(&hdev->cmd_timer, hci_cmd_timer, (unsigned long) hdev); + setup_timer(&hdev->cmd_timer, hci_cmd_timeout, (unsigned long) hdev); hci_init_sysfs(hdev); discovery_init(hdev); -- cgit v1.2.2 From f0e0951007b051046587e73ffc9716caa024d537 Mon Sep 17 00:00:00 2001 From: Andrei Emeltchenko Date: Mon, 11 Jun 2012 11:13:09 +0300 Subject: Bluetooth: Correct debug print specifier for u16 objects Some functions print u16 objects as "0xc03" others as "0x0c03". Patch ensures that opcodes printed are the in the same format and consistent with bluetooth code. Signed-off-by: Andrei Emeltchenko Signed-off-by: Gustavo Padovan --- net/bluetooth/hci_core.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'net') diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 88858963ec2..f7a35cc400c 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -61,7 +61,7 @@ static void hci_notify(struct hci_dev *hdev, int event) void hci_req_complete(struct hci_dev *hdev, __u16 cmd, int result) { - BT_DBG("%s command 0x%04x result 0x%2.2x", hdev->name, cmd, result); + BT_DBG("%s command 0x%4.4x result 0x%2.2x", hdev->name, cmd, result); /* If this is the init phase check if the completed command matches * the last init command, and if not just return. @@ -2092,7 +2092,7 @@ int hci_send_cmd(struct hci_dev *hdev, __u16 opcode, __u32 plen, void *param) struct hci_command_hdr *hdr; struct sk_buff *skb; - BT_DBG("%s opcode 0x%x plen %d", hdev->name, opcode, plen); + BT_DBG("%s opcode 0x%4.4x plen %d", hdev->name, opcode, plen); skb = bt_skb_alloc(len, GFP_ATOMIC); if (!skb) { @@ -2134,7 +2134,7 @@ void *hci_sent_cmd_data(struct hci_dev *hdev, __u16 opcode) if (hdr->opcode != cpu_to_le16(opcode)) return NULL; - BT_DBG("%s opcode 0x%x", hdev->name, opcode); + BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode); return hdev->sent_cmd->data + HCI_COMMAND_HDR_SIZE; } @@ -2204,7 +2204,7 @@ 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; - BT_DBG("%s chan %p flags 0x%x", hdev->name, chan, flags); + BT_DBG("%s chan %p flags 0x%4.4x", hdev->name, chan, flags); skb->dev = (void *) hdev; @@ -2704,7 +2704,7 @@ static void hci_acldata_packet(struct hci_dev *hdev, struct sk_buff *skb) flags = hci_flags(handle); handle = hci_handle(handle); - BT_DBG("%s len %d handle 0x%x flags 0x%x", hdev->name, skb->len, + BT_DBG("%s len %d handle 0x%4.4x flags 0x%4.4x", hdev->name, skb->len, handle, flags); hdev->stat.acl_rx++; @@ -2746,7 +2746,7 @@ static void hci_scodata_packet(struct hci_dev *hdev, struct sk_buff *skb) handle = __le16_to_cpu(hdr->handle); - BT_DBG("%s len %d handle 0x%x", hdev->name, skb->len, handle); + BT_DBG("%s len %d handle 0x%4.4x", hdev->name, skb->len, handle); hdev->stat.sco_rx++; -- cgit v1.2.2 From 11778716ededa873f24eebaae011e52f3d27dfca Mon Sep 17 00:00:00 2001 From: Andrei Emeltchenko Date: Mon, 11 Jun 2012 11:13:10 +0300 Subject: Bluetooth: Fix not setting HCI_RESET flag for AMP Move reset function to common initialization section fixing not setting HCI_RESET flag for amp_init. Signed-off-by: Andrei Emeltchenko Signed-off-by: Gustavo Padovan --- net/bluetooth/hci_core.c | 13 ++++--------- 1 file changed, 4 insertions(+), 9 deletions(-) (limited to 'net') diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index f7a35cc400c..a2bdf936ed4 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -188,12 +188,6 @@ static void bredr_init(struct hci_dev *hdev) /* Mandatory initialization */ - /* Reset */ - if (!test_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks)) { - set_bit(HCI_RESET, &hdev->flags); - hci_send_cmd(hdev, HCI_OP_RESET, 0, NULL); - } - /* Read Local Supported Features */ hci_send_cmd(hdev, HCI_OP_READ_LOCAL_FEATURES, 0, NULL); @@ -234,9 +228,6 @@ static void amp_init(struct hci_dev *hdev) { hdev->flow_ctl_mode = HCI_FLOW_CTL_MODE_BLOCK_BASED; - /* Reset */ - hci_send_cmd(hdev, HCI_OP_RESET, 0, NULL); - /* Read Local Version */ hci_send_cmd(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL); @@ -262,6 +253,10 @@ static void hci_init_req(struct hci_dev *hdev, unsigned long opt) } skb_queue_purge(&hdev->driver_init); + /* Reset */ + if (!test_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks)) + hci_reset_req(hdev, 0); + switch (hdev->dev_type) { case HCI_BREDR: bredr_init(hdev); -- cgit v1.2.2 From af7985bf85840e3dc90ba108a679db044f91f00e Mon Sep 17 00:00:00 2001 From: Jefferson Delfes Date: Mon, 11 Jun 2012 09:18:51 -0400 Subject: Bluetooth: Fix flags of mgmt_device_found event Change flags field to matches userspace structure. This field needs to be converted to little endian before forward it. Signed-off-by: Jefferson Delfes Signed-off-by: Gustavo Padovan --- net/bluetooth/mgmt.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'net') diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index c72307cc25f..b4816632d72 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -3546,9 +3546,9 @@ 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[0] |= MGMT_DEV_FOUND_CONFIRM_NAME; + ev->flags |= MGMT_DEV_FOUND_CONFIRM_NAME; if (!ssp) - ev->flags[0] |= MGMT_DEV_FOUND_LEGACY_PAIRING; + ev->flags |= MGMT_DEV_FOUND_LEGACY_PAIRING; if (eir_len > 0) memcpy(ev->eir, eir, eir_len); @@ -3558,6 +3558,7 @@ int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, dev_class, 3); ev->eir_len = cpu_to_le16(eir_len); + ev->flags = cpu_to_le32(ev->flags); ev_size = sizeof(*ev) + eir_len; -- cgit v1.2.2 From 3701f94451ea341fb5305cb55f7afc04bf0dc56e Mon Sep 17 00:00:00 2001 From: Andre Guedes Date: Mon, 11 Jun 2012 18:41:12 -0300 Subject: Bluetooth: Remove magic value in disconnect mgmt handler This patch replaces the magic value of variable 'reason' by the proper macro. Signed-off-by: Andre Guedes Signed-off-by: Gustavo Padovan --- net/bluetooth/mgmt.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'net') diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index b4816632d72..5aa5592ad57 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -1611,7 +1611,7 @@ static int disconnect(struct sock *sk, struct hci_dev *hdev, void *data, } dc.handle = cpu_to_le16(conn->handle); - dc.reason = 0x13; /* Remote User Terminated Connection */ + dc.reason = HCI_ERROR_REMOTE_USER_TERM; err = hci_send_cmd(hdev, HCI_OP_DISCONNECT, sizeof(dc), &dc); if (err < 0) -- cgit v1.2.2 From 33cef264cd945d64ae8cbbfc5f246661f9655483 Mon Sep 17 00:00:00 2001 From: Andrei Emeltchenko Date: Mon, 18 Jun 2012 13:03:46 +0300 Subject: Bluetooth: Fix compile warnings in mgmt Commit af7985bf85840e3dc90ba108a679db044f91f00e introduced regression resulting in complie warnings: ... net/bluetooth/mgmt.c:3568:27: warning: invalid assignment: |= net/bluetooth/mgmt.c:3568:27: left side has type restricted __le32 net/bluetooth/mgmt.c:3568:27: right side has type int net/bluetooth/mgmt.c:3570:27: warning: invalid assignment: |= net/bluetooth/mgmt.c:3570:27: left side has type restricted __le32 net/bluetooth/mgmt.c:3570:27: right side has type int net/bluetooth/mgmt.c:3580:21: warning: cast from restricted __le32 ... Signed-off-by: Andrei Emeltchenko Signed-off-by: Gustavo Padovan --- net/bluetooth/mgmt.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to 'net') diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index 5aa5592ad57..eff610d5081 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -3546,9 +3546,9 @@ 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 |= MGMT_DEV_FOUND_CONFIRM_NAME; + ev->flags |= cpu_to_le32(MGMT_DEV_FOUND_CONFIRM_NAME); if (!ssp) - ev->flags |= MGMT_DEV_FOUND_LEGACY_PAIRING; + ev->flags |= cpu_to_le32(MGMT_DEV_FOUND_LEGACY_PAIRING); if (eir_len > 0) memcpy(ev->eir, eir, eir_len); @@ -3558,8 +3558,6 @@ int mgmt_device_found(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, dev_class, 3); ev->eir_len = cpu_to_le16(eir_len); - ev->flags = cpu_to_le32(ev->flags); - ev_size = sizeof(*ev) + eir_len; return mgmt_event(MGMT_EV_DEVICE_FOUND, hdev, ev, ev_size, NULL); -- cgit v1.2.2 From 9345d40c580d0f3dfc040add0e6371b1a629c1cc Mon Sep 17 00:00:00 2001 From: Andrei Emeltchenko Date: Fri, 15 Jun 2012 10:36:42 +0300 Subject: Bluetooth: Use AUTO_OFF constant in jiffies Move AUTO_OFF_TIMEOUT to other constants changing name to HCI_AUTO_OFF_TIMEOUT and convert to jiffies. Signed-off-by: Andrei Emeltchenko Signed-off-by: Gustavo Padovan --- net/bluetooth/hci_core.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) (limited to 'net') diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index a2bdf936ed4..32dcb09cdb5 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -33,8 +33,6 @@ #include #include -#define AUTO_OFF_TIMEOUT 2000 - static void hci_rx_work(struct work_struct *work); static void hci_cmd_work(struct work_struct *work); static void hci_tx_work(struct work_struct *work); @@ -1083,8 +1081,7 @@ 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, - msecs_to_jiffies(AUTO_OFF_TIMEOUT)); + schedule_delayed_work(&hdev->power_off, HCI_AUTO_OFF_TIMEOUT); if (test_and_clear_bit(HCI_SETUP, &hdev->dev_flags)) mgmt_index_added(hdev); -- cgit v1.2.2 From 92c4c2049762dc0ef2b152df8c787051db1cdf60 Mon Sep 17 00:00:00 2001 From: Andre Guedes Date: Thu, 7 Jun 2012 19:05:44 -0300 Subject: Bluetooth: Use GFP_KERNEL in mgmt_handlers add_uuid and get_connections mgmt_handlers are executed by user threads running in kernel-mode. Signed-off-by: Andre Guedes Signed-off-by: Gustavo Padovan --- net/bluetooth/mgmt.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'net') diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index eff610d5081..86590c65323 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -1268,7 +1268,7 @@ static int add_uuid(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) goto failed; } - uuid = kmalloc(sizeof(*uuid), GFP_ATOMIC); + uuid = kmalloc(sizeof(*uuid), GFP_KERNEL); if (!uuid) { err = -ENOMEM; goto failed; @@ -1667,7 +1667,7 @@ static int get_connections(struct sock *sk, struct hci_dev *hdev, void *data, } rp_len = sizeof(*rp) + (i * sizeof(struct mgmt_addr_info)); - rp = kmalloc(rp_len, GFP_ATOMIC); + rp = kmalloc(rp_len, GFP_KERNEL); if (!rp) { err = -ENOMEM; goto unlock; -- cgit v1.2.2 From 12b9456502d421a8272615fb641349eb2013b6d8 Mon Sep 17 00:00:00 2001 From: Andre Guedes Date: Thu, 7 Jun 2012 19:05:45 -0300 Subject: Bluetooth: Use GFP_KERNEL in mgmt_pending_add We are allowed to sleep in mgmt_pending_add, so we should use GFP_KERNEL for memory allocations instead of GFP_ATOMIC. Signed-off-by: Andre Guedes Signed-off-by: Gustavo Padovan --- net/bluetooth/mgmt.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'net') diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index 86590c65323..41b5192bc04 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -687,14 +687,14 @@ static struct pending_cmd *mgmt_pending_add(struct sock *sk, u16 opcode, { struct pending_cmd *cmd; - cmd = kmalloc(sizeof(*cmd), GFP_ATOMIC); + cmd = kmalloc(sizeof(*cmd), GFP_KERNEL); if (!cmd) return NULL; cmd->opcode = opcode; cmd->index = hdev->id; - cmd->param = kmalloc(len, GFP_ATOMIC); + cmd->param = kmalloc(len, GFP_KERNEL); if (!cmd->param) { kfree(cmd); return NULL; -- cgit v1.2.2 From 790eff4429e45b850859f1bb8117846dafd5f86a Mon Sep 17 00:00:00 2001 From: Andre Guedes Date: Thu, 7 Jun 2012 19:05:46 -0300 Subject: Bluetooth: Use GFP_KERNEL in mgmt events functions cmd_status, cmd_complete and mgmt_event functions are executed in process context and they are not called inside atomic sections. Thus, they should use GFP_KERNEL for memory allocation instead of GFP_ATOMIC. Signed-off-by: Andre Guedes Signed-off-by: Gustavo Padovan --- net/bluetooth/mgmt.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'net') diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index 41b5192bc04..2f9f52f19b4 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -210,7 +210,7 @@ static int cmd_status(struct sock *sk, u16 index, u16 cmd, u8 status) BT_DBG("sock %p, index %u, cmd %u, status %u", sk, index, cmd, status); - skb = alloc_skb(sizeof(*hdr) + sizeof(*ev), GFP_ATOMIC); + skb = alloc_skb(sizeof(*hdr) + sizeof(*ev), GFP_KERNEL); if (!skb) return -ENOMEM; @@ -241,7 +241,7 @@ static int cmd_complete(struct sock *sk, u16 index, u16 cmd, u8 status, BT_DBG("sock %p", sk); - skb = alloc_skb(sizeof(*hdr) + sizeof(*ev) + rp_len, GFP_ATOMIC); + skb = alloc_skb(sizeof(*hdr) + sizeof(*ev) + rp_len, GFP_KERNEL); if (!skb) return -ENOMEM; @@ -812,7 +812,7 @@ static int mgmt_event(u16 event, struct hci_dev *hdev, void *data, u16 data_len, struct sk_buff *skb; struct mgmt_hdr *hdr; - skb = alloc_skb(sizeof(*hdr) + data_len, GFP_ATOMIC); + skb = alloc_skb(sizeof(*hdr) + data_len, GFP_KERNEL); if (!skb) return -ENOMEM; -- cgit v1.2.2 From 38b3fef1730319e2730af3fc9f73698e3a9aeb4a Mon Sep 17 00:00:00 2001 From: Andrei Emeltchenko Date: Fri, 15 Jun 2012 11:50:28 +0300 Subject: Bluetooth: Improve debugging messages for hci_conn Improve debugging of hci_conn objects by: adding print to hci_conn refcounting, adding object spcifier when missing, change conn to hcon since conn is heavily used for l2cap_conn objects and this is misleading. Signed-off-by: Andrei Emeltchenko Signed-off-by: Gustavo Padovan --- net/bluetooth/hci_conn.c | 44 ++++++++++++++++++++++---------------------- 1 file changed, 22 insertions(+), 22 deletions(-) (limited to 'net') diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c index 2fcced377e5..9bbef6e95d2 100644 --- a/net/bluetooth/hci_conn.c +++ b/net/bluetooth/hci_conn.c @@ -107,7 +107,7 @@ static void hci_acl_connect_cancel(struct hci_conn *conn) { struct hci_cp_create_conn_cancel cp; - BT_DBG("%p", conn); + BT_DBG("hcon %p", conn); if (conn->hdev->hci_ver < BLUETOOTH_VER_1_2) return; @@ -120,7 +120,7 @@ void hci_acl_disconn(struct hci_conn *conn, __u8 reason) { struct hci_cp_disconnect cp; - BT_DBG("%p", conn); + BT_DBG("hcon %p", conn); conn->state = BT_DISCONN; @@ -134,7 +134,7 @@ void hci_add_sco(struct hci_conn *conn, __u16 handle) struct hci_dev *hdev = conn->hdev; struct hci_cp_add_sco cp; - BT_DBG("%p", conn); + BT_DBG("hcon %p", conn); conn->state = BT_CONNECT; conn->out = true; @@ -152,7 +152,7 @@ void hci_setup_sync(struct hci_conn *conn, __u16 handle) struct hci_dev *hdev = conn->hdev; struct hci_cp_setup_sync_conn cp; - BT_DBG("%p", conn); + BT_DBG("hcon %p", conn); conn->state = BT_CONNECT; conn->out = true; @@ -196,7 +196,7 @@ void hci_le_start_enc(struct hci_conn *conn, __le16 ediv, __u8 rand[8], struct hci_dev *hdev = conn->hdev; struct hci_cp_le_start_enc cp; - BT_DBG("%p", conn); + BT_DBG("hcon %p", conn); memset(&cp, 0, sizeof(cp)); @@ -213,11 +213,11 @@ void hci_sco_setup(struct hci_conn *conn, __u8 status) { struct hci_conn *sco = conn->link; - BT_DBG("%p", conn); - if (!sco) return; + BT_DBG("hcon %p", conn); + if (!status) { if (lmp_esco_capable(conn->hdev)) hci_setup_sync(sco, conn->handle); @@ -235,7 +235,7 @@ static void hci_conn_timeout(struct work_struct *work) disc_work.work); __u8 reason; - BT_DBG("conn %p state %s", conn, state_to_string(conn->state)); + BT_DBG("hcon %p state %s", conn, state_to_string(conn->state)); if (atomic_read(&conn->refcnt)) return; @@ -266,7 +266,7 @@ static void hci_conn_enter_sniff_mode(struct hci_conn *conn) { struct hci_dev *hdev = conn->hdev; - BT_DBG("conn %p mode %d", conn, conn->mode); + BT_DBG("hcon %p mode %d", conn, conn->mode); if (test_bit(HCI_RAW, &hdev->flags)) return; @@ -301,7 +301,7 @@ static void hci_conn_idle(unsigned long arg) { struct hci_conn *conn = (void *) arg; - BT_DBG("conn %p mode %d", conn, conn->mode); + BT_DBG("hcon %p mode %d", conn, conn->mode); hci_conn_enter_sniff_mode(conn); } @@ -382,7 +382,7 @@ int hci_conn_del(struct hci_conn *conn) { struct hci_dev *hdev = conn->hdev; - BT_DBG("%s conn %p handle %d", hdev->name, conn, conn->handle); + BT_DBG("%s hcon %p handle %d", hdev->name, conn, conn->handle); del_timer(&conn->idle_timer); @@ -557,7 +557,7 @@ struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, /* Check link security requirement */ int hci_conn_check_link_mode(struct hci_conn *conn) { - BT_DBG("conn %p", conn); + BT_DBG("hcon %p", conn); if (hci_conn_ssp_enabled(conn) && !(conn->link_mode & HCI_LM_ENCRYPT)) return 0; @@ -568,7 +568,7 @@ int hci_conn_check_link_mode(struct hci_conn *conn) /* Authenticate remote device */ static int hci_conn_auth(struct hci_conn *conn, __u8 sec_level, __u8 auth_type) { - BT_DBG("conn %p", conn); + BT_DBG("hcon %p", conn); if (conn->pending_sec_level > sec_level) sec_level = conn->pending_sec_level; @@ -602,7 +602,7 @@ static int hci_conn_auth(struct hci_conn *conn, __u8 sec_level, __u8 auth_type) /* Encrypt the the link */ static void hci_conn_encrypt(struct hci_conn *conn) { - BT_DBG("conn %p", conn); + BT_DBG("hcon %p", conn); if (!test_and_set_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags)) { struct hci_cp_set_conn_encrypt cp; @@ -616,7 +616,7 @@ static void hci_conn_encrypt(struct hci_conn *conn) /* Enable security */ int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type) { - BT_DBG("conn %p", conn); + BT_DBG("hcon %p", conn); /* For sdp we don't need the link key. */ if (sec_level == BT_SECURITY_SDP) @@ -669,7 +669,7 @@ EXPORT_SYMBOL(hci_conn_security); /* Check secure link requirement */ int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level) { - BT_DBG("conn %p", conn); + BT_DBG("hcon %p", conn); if (sec_level != BT_SECURITY_HIGH) return 1; /* Accept if non-secure is required */ @@ -684,7 +684,7 @@ EXPORT_SYMBOL(hci_conn_check_secure); /* Change link key */ int hci_conn_change_link_key(struct hci_conn *conn) { - BT_DBG("conn %p", conn); + BT_DBG("hcon %p", conn); if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) { struct hci_cp_change_conn_link_key cp; @@ -699,7 +699,7 @@ int hci_conn_change_link_key(struct hci_conn *conn) /* Switch role */ int hci_conn_switch_role(struct hci_conn *conn, __u8 role) { - BT_DBG("conn %p", conn); + BT_DBG("hcon %p", conn); if (!role && conn->link_mode & HCI_LM_MASTER) return 1; @@ -720,7 +720,7 @@ void hci_conn_enter_active_mode(struct hci_conn *conn, __u8 force_active) { struct hci_dev *hdev = conn->hdev; - BT_DBG("conn %p mode %d", conn, conn->mode); + BT_DBG("hcon %p mode %d", conn, conn->mode); if (test_bit(HCI_RAW, &hdev->flags)) return; @@ -894,7 +894,7 @@ struct hci_chan *hci_chan_create(struct hci_conn *conn) struct hci_dev *hdev = conn->hdev; struct hci_chan *chan; - BT_DBG("%s conn %p", hdev->name, conn); + BT_DBG("%s hcon %p", hdev->name, conn); chan = kzalloc(sizeof(struct hci_chan), GFP_KERNEL); if (!chan) @@ -913,7 +913,7 @@ int hci_chan_del(struct hci_chan *chan) struct hci_conn *conn = chan->conn; struct hci_dev *hdev = conn->hdev; - BT_DBG("%s conn %p chan %p", hdev->name, conn, chan); + BT_DBG("%s hcon %p chan %p", hdev->name, conn, chan); list_del_rcu(&chan->list); @@ -929,7 +929,7 @@ void hci_chan_list_flush(struct hci_conn *conn) { struct hci_chan *chan, *n; - BT_DBG("conn %p", conn); + BT_DBG("hcon %p", conn); list_for_each_entry_safe(chan, n, &conn->chan_list, list) hci_chan_del(chan); -- cgit v1.2.2 From d300fa9b14549c64e63691356c68483bcfeb0f04 Mon Sep 17 00:00:00 2001 From: Andrei Emeltchenko Date: Tue, 19 Jun 2012 15:21:21 +0300 Subject: Bluetooth: Route traffic only through BR/EDR controller If AMP controller is first in the list then Bluetooth traffic might be routed through it (if source is not specified). The patch prevents this case and also checks that source is BR/EDR. Signed-off-by: Andrei Emeltchenko Signed-off-by: Gustavo Padovan --- net/bluetooth/hci_conn.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'net') diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c index 9bbef6e95d2..5ad7da21747 100644 --- a/net/bluetooth/hci_conn.c +++ b/net/bluetooth/hci_conn.c @@ -442,7 +442,8 @@ struct hci_dev *hci_get_route(bdaddr_t *dst, bdaddr_t *src) list_for_each_entry(d, &hci_dev_list, list) { if (!test_bit(HCI_UP, &d->flags) || - test_bit(HCI_RAW, &d->flags)) + test_bit(HCI_RAW, &d->flags) || + d->dev_type != HCI_BREDR) continue; /* Simple routing: -- cgit v1.2.2 From ce2be9acff7f71b94e3d68e08df3f1592cae05a3 Mon Sep 17 00:00:00 2001 From: Andrei Emeltchenko Date: Fri, 29 Jun 2012 15:07:00 +0300 Subject: Bluetooth: Do not auto off AMP controller Since AMP controller is not managed by user space do not shut it down. Signed-off-by: Andrei Emeltchenko Signed-off-by: Gustavo Padovan --- net/bluetooth/hci_core.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'net') diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index 32dcb09cdb5..f932d663ff6 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -1743,8 +1743,11 @@ int hci_register_dev(struct hci_dev *hdev) } } - set_bit(HCI_AUTO_OFF, &hdev->dev_flags); set_bit(HCI_SETUP, &hdev->dev_flags); + + 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); -- cgit v1.2.2 From 2f7916f8d6761e039a117ff560a85a20edb796de Mon Sep 17 00:00:00 2001 From: Christian Lamparter Date: Sat, 7 Jul 2012 15:13:08 +0200 Subject: mac80211: request TX status for BlockAck Requests Because ieee80211_tx_status in status.c checks if outgoing BlockAck requests have been acked, it is necessary to tell the driver that tx feedback for this sort of frame is important. Otherwise, the stack will continue to send the same BlockAck request over and over, which can cause the receiver to flush or clean its reorder buffer over and over. Signed-off-by: Christian Lamparter Signed-off-by: Johannes Berg --- net/mac80211/agg-tx.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'net') diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c index 5cc1bf7d803..d0deb3edae2 100644 --- a/net/mac80211/agg-tx.c +++ b/net/mac80211/agg-tx.c @@ -135,7 +135,8 @@ void ieee80211_send_bar(struct ieee80211_vif *vif, u8 *ra, u16 tid, u16 ssn) bar->control = cpu_to_le16(bar_control); bar->start_seq_num = cpu_to_le16(ssn); - IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT; + IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT | + IEEE80211_TX_CTL_REQ_TX_STATUS; ieee80211_tx_skb_tid(sdata, skb, tid); } EXPORT_SYMBOL(ieee80211_send_bar); -- cgit v1.2.2 From 56af8f9af99223610f0582594bd4ac0a0320eb71 Mon Sep 17 00:00:00 2001 From: Vladimir Kondratiev Date: Sun, 8 Jul 2012 14:08:10 +0300 Subject: cfg80211: fix oops due to unassigned set_monitor_enabled callback Quick fix for method being invoked without checking its existence. Signed-off-by: Vladimir Kondratiev Signed-off-by: Johannes Berg --- net/wireless/core.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'net') diff --git a/net/wireless/core.c b/net/wireless/core.c index eb60410ae58..e42a97b5b97 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -774,8 +774,9 @@ void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev, has_monitors_only_new = cfg80211_has_monitors_only(rdev); if (has_monitors_only_new != has_monitors_only_old) { - rdev->ops->set_monitor_enabled(&rdev->wiphy, - has_monitors_only_new); + if (rdev->ops->set_monitor_enabled) + rdev->ops->set_monitor_enabled(&rdev->wiphy, + has_monitors_only_new); if (!has_monitors_only_new) { rdev->monitor_channel = NULL; -- cgit v1.2.2 From 7d25745d05e7a0f0fb0d5e29bef40cb6326efc96 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Fri, 6 Jul 2012 17:37:43 +0200 Subject: mac80211: update BSS info on AC parameters change When the AC parameters change, drivers might rely on getting a bss_info_changed notification with BSS_CHANGED_QOS in addition to the conf_tx call. Always call the function when userspace updates are made (in AP/GO modes) and also set the change flag when updates were made by the AP (in managed mode.) Signed-off-by: Johannes Berg --- net/mac80211/cfg.c | 2 ++ net/mac80211/mlme.c | 28 ++++++++++++++-------------- 2 files changed, 16 insertions(+), 14 deletions(-) (limited to 'net') diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index ccbe2413142..6a171e299b5 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -1741,6 +1741,8 @@ static int ieee80211_set_txq_params(struct wiphy *wiphy, return -EINVAL; } + ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS); + return 0; } diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index d563f7c5553..6eab63388c6 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -1108,7 +1108,7 @@ void ieee80211_dynamic_ps_timer(unsigned long data) } /* MLME */ -static void ieee80211_sta_wmm_params(struct ieee80211_local *local, +static bool ieee80211_sta_wmm_params(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata, u8 *wmm_param, size_t wmm_param_len) { @@ -1119,23 +1119,23 @@ static void ieee80211_sta_wmm_params(struct ieee80211_local *local, u8 *pos, uapsd_queues = 0; if (!local->ops->conf_tx) - return; + return false; if (local->hw.queues < IEEE80211_NUM_ACS) - return; + return false; if (!wmm_param) - return; + return false; if (wmm_param_len < 8 || wmm_param[5] /* version */ != 1) - return; + return false; if (ifmgd->flags & IEEE80211_STA_UAPSD_ENABLED) uapsd_queues = ifmgd->uapsd_queues; count = wmm_param[6] & 0x0f; if (count == ifmgd->wmm_last_param_set) - return; + return false; ifmgd->wmm_last_param_set = count; pos = wmm_param + 8; @@ -1202,6 +1202,7 @@ static void ieee80211_sta_wmm_params(struct ieee80211_local *local, /* enable WMM or activate new settings */ sdata->vif.bss_conf.qos = true; + return true; } static void __ieee80211_stop_poll(struct ieee80211_sub_if_data *sdata) @@ -2438,14 +2439,6 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, directed_tim = ieee80211_check_tim(elems.tim, elems.tim_len, ifmgd->aid); - if (ncrc != ifmgd->beacon_crc || !ifmgd->beacon_crc_valid) { - ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems, - true); - - ieee80211_sta_wmm_params(local, sdata, elems.wmm_param, - elems.wmm_param_len); - } - if (local->hw.flags & IEEE80211_HW_PS_NULLFUNC_STACK) { if (directed_tim) { if (local->hw.conf.dynamic_ps_timeout > 0) { @@ -2476,6 +2469,13 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, ifmgd->beacon_crc = ncrc; ifmgd->beacon_crc_valid = true; + ieee80211_rx_bss_info(sdata, mgmt, len, rx_status, &elems, + true); + + if (ieee80211_sta_wmm_params(local, sdata, elems.wmm_param, + elems.wmm_param_len)) + changed |= BSS_CHANGED_QOS; + if (elems.erp_info && elems.erp_info_len >= 1) { erp_valid = true; erp_value = elems.erp_info[0]; -- cgit v1.2.2 From 31ee67a1ced64f61e3f8266ddfd820d6ce599da3 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Fri, 6 Jul 2012 21:18:24 +0200 Subject: mac80211: remove unused assignment ieee80211_mlme_notify_scan_completed() iterates all interfaces and doesn't need to assign anything to the sdata variable before the loop. Signed-off-by: Johannes Berg --- net/mac80211/mlme.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'net') diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 6eab63388c6..4b503ce893d 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -2977,7 +2977,7 @@ void ieee80211_sta_setup_sdata(struct ieee80211_sub_if_data *sdata) /* scan finished notification */ void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local) { - struct ieee80211_sub_if_data *sdata = local->scan_sdata; + struct ieee80211_sub_if_data *sdata; /* Restart STA timers */ rcu_read_lock(); -- cgit v1.2.2 From f72b85b8eb6657fae95ac8f5cb20954b4d87a520 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Fri, 6 Jul 2012 19:49:54 +0200 Subject: mac80211: remove ieee80211_key_removed This API call was intended to be used by drivers if they want to optimize key handling by removing one key when another is added. Remove it since no driver is using it. If needed, it can always be added back. Signed-off-by: Johannes Berg --- net/mac80211/key.c | 20 -------------------- 1 file changed, 20 deletions(-) (limited to 'net') diff --git a/net/mac80211/key.c b/net/mac80211/key.c index b3b7e526e24..7ae678ba5d6 100644 --- a/net/mac80211/key.c +++ b/net/mac80211/key.c @@ -194,26 +194,6 @@ static void ieee80211_key_disable_hw_accel(struct ieee80211_key *key) key->flags &= ~KEY_FLAG_UPLOADED_TO_HARDWARE; } -void ieee80211_key_removed(struct ieee80211_key_conf *key_conf) -{ - struct ieee80211_key *key; - - key = container_of(key_conf, struct ieee80211_key, conf); - - might_sleep(); - assert_key_lock(key->local); - - key->flags &= ~KEY_FLAG_UPLOADED_TO_HARDWARE; - - /* - * Flush TX path to avoid attempts to use this key - * after this function returns. Until then, drivers - * must be prepared to handle the key. - */ - synchronize_rcu(); -} -EXPORT_SYMBOL_GPL(ieee80211_key_removed); - static void __ieee80211_set_default_key(struct ieee80211_sub_if_data *sdata, int idx, bool uni, bool multi) { -- cgit v1.2.2 From 89a54e48b9cbb44aed1bf6cd712e087b96b6ae65 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Fri, 15 Jun 2012 14:33:17 +0200 Subject: nl80211: prepare for non-netdev wireless devs In order to support a P2P device abstraction and Bluetooth high-speed AMPs, we need to have a way to identify virtual interfaces that don't have a netdev associated. Do this by adding a NL80211_ATTR_WDEV attribute to identify a wdev which may or may not also be a netdev. To simplify things, use a 64-bit value with the high 32 bits being the wiphy index for this new wdev identifier in the nl80211 API. Signed-off-by: Johannes Berg --- net/wireless/core.c | 13 ++--- net/wireless/core.h | 6 +-- net/wireless/nl80211.c | 135 +++++++++++++++++++++++++++++++++++++++---------- net/wireless/sme.c | 4 +- net/wireless/util.c | 6 +-- 5 files changed, 123 insertions(+), 41 deletions(-) (limited to 'net') diff --git a/net/wireless/core.c b/net/wireless/core.c index e42a97b5b97..b110a8a242d 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -176,7 +176,7 @@ int cfg80211_switch_netns(struct cfg80211_registered_device *rdev, if (!(rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK)) return -EOPNOTSUPP; - list_for_each_entry(wdev, &rdev->netdev_list, list) { + list_for_each_entry(wdev, &rdev->wdev_list, list) { wdev->netdev->features &= ~NETIF_F_NETNS_LOCAL; err = dev_change_net_namespace(wdev->netdev, net, "wlan%d"); if (err) @@ -188,7 +188,7 @@ int cfg80211_switch_netns(struct cfg80211_registered_device *rdev, /* failed -- clean up to old netns */ net = wiphy_net(&rdev->wiphy); - list_for_each_entry_continue_reverse(wdev, &rdev->netdev_list, + list_for_each_entry_continue_reverse(wdev, &rdev->wdev_list, list) { wdev->netdev->features &= ~NETIF_F_NETNS_LOCAL; err = dev_change_net_namespace(wdev->netdev, net, @@ -226,7 +226,7 @@ static int cfg80211_rfkill_set_block(void *data, bool blocked) rtnl_lock(); mutex_lock(&rdev->devlist_mtx); - list_for_each_entry(wdev, &rdev->netdev_list, list) + list_for_each_entry(wdev, &rdev->wdev_list, list) dev_close(wdev->netdev); mutex_unlock(&rdev->devlist_mtx); @@ -304,7 +304,7 @@ struct wiphy *wiphy_new(const struct cfg80211_ops *ops, int sizeof_priv) mutex_init(&rdev->mtx); mutex_init(&rdev->devlist_mtx); mutex_init(&rdev->sched_scan_mtx); - INIT_LIST_HEAD(&rdev->netdev_list); + INIT_LIST_HEAD(&rdev->wdev_list); spin_lock_init(&rdev->bss_lock); INIT_LIST_HEAD(&rdev->bss_list); INIT_WORK(&rdev->scan_done_wk, __cfg80211_scan_done); @@ -622,7 +622,7 @@ void wiphy_unregister(struct wiphy *wiphy) __count == 0; })); mutex_lock(&rdev->devlist_mtx); - BUG_ON(!list_empty(&rdev->netdev_list)); + BUG_ON(!list_empty(&rdev->wdev_list)); mutex_unlock(&rdev->devlist_mtx); /* @@ -821,7 +821,8 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb, spin_lock_init(&wdev->mgmt_registrations_lock); mutex_lock(&rdev->devlist_mtx); - list_add_rcu(&wdev->list, &rdev->netdev_list); + wdev->identifier = ++rdev->wdev_id; + list_add_rcu(&wdev->list, &rdev->wdev_list); rdev->devlist_generation++; /* can only change netns with wiphy */ dev->features |= NETIF_F_NETNS_LOCAL; diff --git a/net/wireless/core.h b/net/wireless/core.h index 377dc394f48..6b0170a5f05 100644 --- a/net/wireless/core.h +++ b/net/wireless/core.h @@ -47,11 +47,11 @@ struct cfg80211_registered_device { /* wiphy index, internal only */ int wiphy_idx; - /* associate netdev list */ + /* associated wireless interfaces */ struct mutex devlist_mtx; /* protected by devlist_mtx or RCU */ - struct list_head netdev_list; - int devlist_generation; + struct list_head wdev_list; + int devlist_generation, wdev_id; int opencount; /* also protected by devlist_mtx */ wait_queue_head_t dev_wait; diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 2a5cdb60bc6..35a9b15289f 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -46,28 +46,60 @@ static struct genl_family nl80211_fam = { .post_doit = nl80211_post_doit, }; -/* internal helper: get rdev and dev */ -static int get_rdev_dev_by_ifindex(struct net *netns, struct nlattr **attrs, - struct cfg80211_registered_device **rdev, - struct net_device **dev) +/* returns ERR_PTR values */ +static struct wireless_dev * +__cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs) { - int ifindex; + struct cfg80211_registered_device *rdev; + struct wireless_dev *result = NULL; + bool have_ifidx = attrs[NL80211_ATTR_IFINDEX]; + bool have_wdev_id = attrs[NL80211_ATTR_WDEV]; + u64 wdev_id; + int wiphy_idx = -1; + int ifidx = -1; - if (!attrs[NL80211_ATTR_IFINDEX]) - return -EINVAL; + assert_cfg80211_lock(); - ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); - *dev = dev_get_by_index(netns, ifindex); - if (!*dev) - return -ENODEV; + if (!have_ifidx && !have_wdev_id) + return ERR_PTR(-EINVAL); - *rdev = cfg80211_get_dev_from_ifindex(netns, ifindex); - if (IS_ERR(*rdev)) { - dev_put(*dev); - return PTR_ERR(*rdev); + if (have_ifidx) + ifidx = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); + if (have_wdev_id) { + wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]); + wiphy_idx = wdev_id >> 32; } - return 0; + list_for_each_entry(rdev, &cfg80211_rdev_list, list) { + struct wireless_dev *wdev; + + if (wiphy_net(&rdev->wiphy) != netns) + continue; + + if (have_wdev_id && rdev->wiphy_idx != wiphy_idx) + continue; + + mutex_lock(&rdev->devlist_mtx); + list_for_each_entry(wdev, &rdev->wdev_list, list) { + if (have_ifidx && wdev->netdev && + wdev->netdev->ifindex == ifidx) { + result = wdev; + break; + } + if (have_wdev_id && wdev->identifier == (u32)wdev_id) { + result = wdev; + break; + } + } + mutex_unlock(&rdev->devlist_mtx); + + if (result) + break; + } + + if (result) + return result; + return ERR_PTR(-ENODEV); } static struct cfg80211_registered_device * @@ -79,13 +111,40 @@ __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs) assert_cfg80211_lock(); if (!attrs[NL80211_ATTR_WIPHY] && - !attrs[NL80211_ATTR_IFINDEX]) + !attrs[NL80211_ATTR_IFINDEX] && + !attrs[NL80211_ATTR_WDEV]) return ERR_PTR(-EINVAL); if (attrs[NL80211_ATTR_WIPHY]) rdev = cfg80211_rdev_by_wiphy_idx( nla_get_u32(attrs[NL80211_ATTR_WIPHY])); + if (attrs[NL80211_ATTR_WDEV]) { + u64 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]); + struct wireless_dev *wdev; + bool found = false; + + tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32); + if (tmp) { + /* make sure wdev exists */ + mutex_lock(&tmp->devlist_mtx); + list_for_each_entry(wdev, &tmp->wdev_list, list) { + if (wdev->identifier != (u32)wdev_id) + continue; + found = true; + break; + } + mutex_unlock(&tmp->devlist_mtx); + + if (!found) + tmp = NULL; + + if (rdev && tmp != rdev) + return ERR_PTR(-EINVAL); + rdev = tmp; + } + } + if (attrs[NL80211_ATTR_IFINDEX]) { int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); netdev = dev_get_by_index(netns, ifindex); @@ -294,6 +353,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = { [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 }, [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 }, [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 }, + [NL80211_ATTR_WDEV] = { .type = NLA_U64 }, }; /* policy for the key attributes */ @@ -1674,6 +1734,8 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags, struct net_device *dev) { void *hdr; + u64 wdev_id = (u64)dev->ieee80211_ptr->identifier | + ((u64)rdev->wiphy_idx << 32); hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_INTERFACE); if (!hdr) @@ -1684,6 +1746,7 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags, nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name) || nla_put_u32(msg, NL80211_ATTR_IFTYPE, dev->ieee80211_ptr->iftype) || + nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id) || nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->devlist_generation ^ (cfg80211_rdev_list_generation << 2))) @@ -1724,7 +1787,7 @@ static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback * if_idx = 0; mutex_lock(&rdev->devlist_mtx); - list_for_each_entry(wdev, &rdev->netdev_list, list) { + list_for_each_entry(wdev, &rdev->wdev_list, list) { if (if_idx < if_start) { if_idx++; continue; @@ -2350,7 +2413,7 @@ static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev, mutex_lock(&rdev->devlist_mtx); - list_for_each_entry(wdev, &rdev->netdev_list, list) { + list_for_each_entry(wdev, &rdev->wdev_list, list) { if (wdev->iftype != NL80211_IFTYPE_AP && wdev->iftype != NL80211_IFTYPE_P2P_GO) continue; @@ -6660,8 +6723,8 @@ static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb, struct genl_info *info) { struct cfg80211_registered_device *rdev; + struct wireless_dev *wdev; struct net_device *dev; - int err; bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL; if (rtnl) @@ -6676,21 +6739,39 @@ static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb, } info->user_ptr[0] = rdev; } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) { - err = get_rdev_dev_by_ifindex(genl_info_net(info), info->attrs, - &rdev, &dev); - if (err) { + mutex_lock(&cfg80211_mutex); + wdev = __cfg80211_wdev_from_attrs(genl_info_net(info), + info->attrs); + if (IS_ERR(wdev)) { + mutex_unlock(&cfg80211_mutex); if (rtnl) rtnl_unlock(); - return err; + return PTR_ERR(wdev); } + + if (!wdev->netdev) { + mutex_unlock(&cfg80211_mutex); + if (rtnl) + rtnl_unlock(); + return -EINVAL; + } + + dev = wdev->netdev; + rdev = wiphy_to_dev(wdev->wiphy); + if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP && !netif_running(dev)) { - cfg80211_unlock_rdev(rdev); - dev_put(dev); + mutex_unlock(&cfg80211_mutex); if (rtnl) rtnl_unlock(); return -ENETDOWN; } + + dev_hold(dev); + cfg80211_lock_rdev(rdev); + + mutex_unlock(&cfg80211_mutex); + info->user_ptr[0] = rdev; info->user_ptr[1] = dev; } @@ -8483,7 +8564,7 @@ static int nl80211_netlink_notify(struct notifier_block * nb, rcu_read_lock(); list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) { - list_for_each_entry_rcu(wdev, &rdev->netdev_list, list) + list_for_each_entry_rcu(wdev, &rdev->wdev_list, list) cfg80211_mlme_unregister_socket(wdev, notify->pid); if (rdev->ap_beacons_nlpid == notify->pid) rdev->ap_beacons_nlpid = 0; diff --git a/net/wireless/sme.c b/net/wireless/sme.c index f7e937ff897..dec97981e68 100644 --- a/net/wireless/sme.c +++ b/net/wireless/sme.c @@ -51,7 +51,7 @@ static bool cfg80211_is_all_idle(void) */ list_for_each_entry(rdev, &cfg80211_rdev_list, list) { cfg80211_lock_rdev(rdev); - list_for_each_entry(wdev, &rdev->netdev_list, list) { + list_for_each_entry(wdev, &rdev->wdev_list, list) { wdev_lock(wdev); if (wdev->sme_state != CFG80211_SME_IDLE) is_all_idle = false; @@ -221,7 +221,7 @@ void cfg80211_conn_work(struct work_struct *work) cfg80211_lock_rdev(rdev); mutex_lock(&rdev->devlist_mtx); - list_for_each_entry(wdev, &rdev->netdev_list, list) { + list_for_each_entry(wdev, &rdev->wdev_list, list) { wdev_lock(wdev); if (!netif_running(wdev->netdev)) { wdev_unlock(wdev); diff --git a/net/wireless/util.c b/net/wireless/util.c index e31f1dba79e..f7a0647bde9 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -793,7 +793,7 @@ void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev) mutex_lock(&rdev->devlist_mtx); - list_for_each_entry(wdev, &rdev->netdev_list, list) + list_for_each_entry(wdev, &rdev->wdev_list, list) cfg80211_process_wdev_events(wdev); mutex_unlock(&rdev->devlist_mtx); @@ -994,7 +994,7 @@ int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev, mutex_lock(&rdev->devlist_mtx); - list_for_each_entry(wdev, &rdev->netdev_list, list) { + list_for_each_entry(wdev, &rdev->wdev_list, list) { if (!wdev->beacon_interval) continue; if (wdev->beacon_interval != beacon_int) { @@ -1050,7 +1050,7 @@ int cfg80211_can_use_iftype_chan(struct cfg80211_registered_device *rdev, break; } - list_for_each_entry(wdev_iter, &rdev->netdev_list, list) { + list_for_each_entry(wdev_iter, &rdev->wdev_list, list) { if (wdev_iter == wdev) continue; if (!netif_running(wdev_iter->netdev)) -- cgit v1.2.2 From 1bf614ef7946436246de3c6a6593ba4799f7bac8 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Fri, 15 Jun 2012 15:23:36 +0200 Subject: nl80211: add NL80211_FLAG_NEED_WDEV Some nl80211 callbacks will soon need the wdev instead of the netdev, so add NL80211_FLAG_NEED_WDEV to allow them to request that. Add NL80211_FLAG_NEED_WDEV_UP as well which checks the netdev is UP if one exists. Signed-off-by: Johannes Berg --- net/wireless/nl80211.c | 57 ++++++++++++++++++++++++++++++++++---------------- 1 file changed, 39 insertions(+), 18 deletions(-) (limited to 'net') diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 35a9b15289f..27cd18e256c 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -6718,6 +6718,10 @@ static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info) #define NL80211_FLAG_CHECK_NETDEV_UP 0x08 #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\ NL80211_FLAG_CHECK_NETDEV_UP) +#define NL80211_FLAG_NEED_WDEV 0x10 +/* If a netdev is associated, it must be UP */ +#define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\ + NL80211_FLAG_CHECK_NETDEV_UP) static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb, struct genl_info *info) @@ -6738,7 +6742,8 @@ static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb, return PTR_ERR(rdev); } info->user_ptr[0] = rdev; - } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) { + } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV || + ops->internal_flags & NL80211_FLAG_NEED_WDEV) { mutex_lock(&cfg80211_mutex); wdev = __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs); @@ -6749,31 +6754,39 @@ static int nl80211_pre_doit(struct genl_ops *ops, struct sk_buff *skb, return PTR_ERR(wdev); } - if (!wdev->netdev) { - mutex_unlock(&cfg80211_mutex); - if (rtnl) - rtnl_unlock(); - return -EINVAL; - } - dev = wdev->netdev; rdev = wiphy_to_dev(wdev->wiphy); - if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP && - !netif_running(dev)) { - mutex_unlock(&cfg80211_mutex); - if (rtnl) - rtnl_unlock(); - return -ENETDOWN; + if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) { + if (!dev) { + mutex_unlock(&cfg80211_mutex); + if (rtnl) + rtnl_unlock(); + return -EINVAL; + } + + info->user_ptr[1] = dev; + } else { + info->user_ptr[1] = wdev; + } + + if (dev) { + if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP && + !netif_running(dev)) { + mutex_unlock(&cfg80211_mutex); + if (rtnl) + rtnl_unlock(); + return -ENETDOWN; + } + + dev_hold(dev); } - dev_hold(dev); cfg80211_lock_rdev(rdev); mutex_unlock(&cfg80211_mutex); info->user_ptr[0] = rdev; - info->user_ptr[1] = dev; } return 0; @@ -6784,8 +6797,16 @@ static void nl80211_post_doit(struct genl_ops *ops, struct sk_buff *skb, { if (info->user_ptr[0]) cfg80211_unlock_rdev(info->user_ptr[0]); - if (info->user_ptr[1]) - dev_put(info->user_ptr[1]); + if (info->user_ptr[1]) { + if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) { + struct wireless_dev *wdev = info->user_ptr[1]; + + if (wdev->netdev) + dev_put(wdev->netdev); + } else { + dev_put(info->user_ptr[1]); + } + } if (ops->internal_flags & NL80211_FLAG_NEED_RTNL) rtnl_unlock(); } -- cgit v1.2.2 From 72fb2abcf5f985a72e0a30c214b7ed49afa6571b Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Fri, 15 Jun 2012 17:52:47 +0200 Subject: nl80211: retrieve interface data by wdev Since soon there will be virtual interfaces that don't have a netdev, use the wdev identifier for the API to retrieve interface data. Signed-off-by: Johannes Berg --- net/wireless/nl80211.c | 26 +++++++++++++++----------- 1 file changed, 15 insertions(+), 11 deletions(-) (limited to 'net') diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 27cd18e256c..5800c49d694 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -1731,21 +1731,25 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) static int nl80211_send_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags, struct cfg80211_registered_device *rdev, - struct net_device *dev) + struct wireless_dev *wdev) { + struct net_device *dev = wdev->netdev; void *hdr; - u64 wdev_id = (u64)dev->ieee80211_ptr->identifier | + u64 wdev_id = (u64)wdev->identifier | ((u64)rdev->wiphy_idx << 32); hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_INTERFACE); if (!hdr) return -1; - if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || - nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || - nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name) || - nla_put_u32(msg, NL80211_ATTR_IFTYPE, - dev->ieee80211_ptr->iftype) || + if (dev && + (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || + nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name) || + nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dev->dev_addr))) + goto nla_put_failure; + + if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || + nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) || nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id) || nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->devlist_generation ^ @@ -1794,7 +1798,7 @@ static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback * } if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).pid, cb->nlh->nlmsg_seq, NLM_F_MULTI, - rdev, wdev->netdev) < 0) { + rdev, wdev) < 0) { mutex_unlock(&rdev->devlist_mtx); goto out; } @@ -1817,14 +1821,14 @@ static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) { struct sk_buff *msg; struct cfg80211_registered_device *dev = info->user_ptr[0]; - struct net_device *netdev = info->user_ptr[1]; + struct wireless_dev *wdev = info->user_ptr[1]; msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); if (!msg) return -ENOMEM; if (nl80211_send_iface(msg, info->snd_pid, info->snd_seq, 0, - dev, netdev) < 0) { + dev, wdev) < 0) { nlmsg_free(msg); return -ENOBUFS; } @@ -6833,7 +6837,7 @@ static struct genl_ops nl80211_ops[] = { .dumpit = nl80211_dump_interface, .policy = nl80211_policy, /* can be retrieved by unprivileged users */ - .internal_flags = NL80211_FLAG_NEED_NETDEV, + .internal_flags = NL80211_FLAG_NEED_WDEV, }, { .cmd = NL80211_CMD_SET_INTERFACE, -- cgit v1.2.2 From ba22fb5b25db1e18692e2d01f8addb3fea0af813 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Fri, 15 Jun 2012 18:00:00 +0200 Subject: nl80211: don't assume wdev->netdev exists There are a few places that iterate the wdev list and assume wdev->netdev exists, check there. The rfkill one has to be extended for each non-netdev type later. Signed-off-by: Johannes Berg --- net/wireless/core.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'net') diff --git a/net/wireless/core.c b/net/wireless/core.c index b110a8a242d..2781a411cec 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -177,6 +177,8 @@ int cfg80211_switch_netns(struct cfg80211_registered_device *rdev, return -EOPNOTSUPP; list_for_each_entry(wdev, &rdev->wdev_list, list) { + if (!wdev->netdev) + continue; wdev->netdev->features &= ~NETIF_F_NETNS_LOCAL; err = dev_change_net_namespace(wdev->netdev, net, "wlan%d"); if (err) @@ -190,6 +192,8 @@ int cfg80211_switch_netns(struct cfg80211_registered_device *rdev, list_for_each_entry_continue_reverse(wdev, &rdev->wdev_list, list) { + if (!wdev->netdev) + continue; wdev->netdev->features &= ~NETIF_F_NETNS_LOCAL; err = dev_change_net_namespace(wdev->netdev, net, "wlan%d"); @@ -227,7 +231,8 @@ static int cfg80211_rfkill_set_block(void *data, bool blocked) mutex_lock(&rdev->devlist_mtx); list_for_each_entry(wdev, &rdev->wdev_list, list) - dev_close(wdev->netdev); + if (wdev->netdev) + dev_close(wdev->netdev); mutex_unlock(&rdev->devlist_mtx); rtnl_unlock(); -- cgit v1.2.2 From 71bbc9943883cffaf5d7a7728a4e4c50b3ac44d3 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Fri, 15 Jun 2012 15:30:18 +0200 Subject: cfg80211: use wdev in mgmt-tx/ROC APIs The management frame and remain-on-channel APIs will be needed in the P2P device abstraction, so move them over to the new wdev-based APIs. Userspace can still use both the interface index and wdev identifier for them so it's backward compatible, but for the P2P Device wdev it will be able to use the wdev identifier only. Signed-off-by: Johannes Berg --- net/mac80211/cfg.c | 21 ++++---- net/mac80211/ieee80211_i.h | 6 +++ net/mac80211/offchannel.c | 6 +-- net/mac80211/rx.c | 2 +- net/mac80211/status.c | 9 +++- net/wireless/core.h | 2 +- net/wireless/mlme.c | 34 ++++++------- net/wireless/nl80211.c | 119 ++++++++++++++++++++++++++------------------- net/wireless/nl80211.h | 10 ++-- 9 files changed, 118 insertions(+), 91 deletions(-) (limited to 'net') diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 6a171e299b5..7d9abea37b1 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -2299,13 +2299,13 @@ static int ieee80211_start_roc_work(struct ieee80211_local *local, } static int ieee80211_remain_on_channel(struct wiphy *wiphy, - struct net_device *dev, + struct wireless_dev *wdev, struct ieee80211_channel *chan, enum nl80211_channel_type channel_type, unsigned int duration, u64 *cookie) { - struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); struct ieee80211_local *local = sdata->local; int ret; @@ -2392,23 +2392,23 @@ static int ieee80211_cancel_roc(struct ieee80211_local *local, } static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, - struct net_device *dev, + struct wireless_dev *wdev, u64 cookie) { - struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); struct ieee80211_local *local = sdata->local; return ieee80211_cancel_roc(local, cookie, false); } -static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev, +static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, struct ieee80211_channel *chan, bool offchan, enum nl80211_channel_type channel_type, bool channel_type_valid, unsigned int wait, const u8 *buf, size_t len, bool no_cck, bool dont_wait_for_ack, u64 *cookie) { - struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); struct ieee80211_local *local = sdata->local; struct sk_buff *skb; struct sta_info *sta; @@ -2513,21 +2513,20 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev, } static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, - struct net_device *dev, + struct wireless_dev *wdev, u64 cookie) { - struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); - struct ieee80211_local *local = sdata->local; + struct ieee80211_local *local = wiphy_priv(wiphy); return ieee80211_cancel_roc(local, cookie, true); } static void ieee80211_mgmt_frame_register(struct wiphy *wiphy, - struct net_device *dev, + struct wireless_dev *wdev, u16 frame_type, bool reg) { struct ieee80211_local *local = wiphy_priv(wiphy); - struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); switch (frame_type) { case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH: diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index e0423f8c0ce..8f8535ee599 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -1091,6 +1091,12 @@ IEEE80211_DEV_TO_SUB_IF(struct net_device *dev) return netdev_priv(dev); } +static inline struct ieee80211_sub_if_data * +IEEE80211_WDEV_TO_SUB_IF(struct wireless_dev *wdev) +{ + return container_of(wdev, struct ieee80211_sub_if_data, wdev); +} + /* this struct represents 802.11n's RA/TID combination */ struct ieee80211_ra_tid { u8 ra[ETH_ALEN]; diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c index b0fb6a2b89a..8c047fc8b32 100644 --- a/net/mac80211/offchannel.c +++ b/net/mac80211/offchannel.c @@ -191,7 +191,7 @@ void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc) roc->frame = NULL; } } else { - cfg80211_ready_on_channel(roc->sdata->dev, (unsigned long)roc, + cfg80211_ready_on_channel(&roc->sdata->wdev, (unsigned long)roc, roc->chan, roc->chan_type, roc->req_duration, GFP_KERNEL); } @@ -299,7 +299,7 @@ void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc) /* was never transmitted */ if (roc->frame) { - cfg80211_mgmt_tx_status(roc->sdata->dev, + cfg80211_mgmt_tx_status(&roc->sdata->wdev, (unsigned long)roc->frame, roc->frame->data, roc->frame->len, false, GFP_KERNEL); @@ -307,7 +307,7 @@ void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc) } if (!roc->mgmt_tx_cookie) - cfg80211_remain_on_channel_expired(roc->sdata->dev, + cfg80211_remain_on_channel_expired(&roc->sdata->wdev, (unsigned long)roc, roc->chan, roc->chan_type, GFP_KERNEL); diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index ab5185054e6..f8cf9e7477a 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -2404,7 +2404,7 @@ ieee80211_rx_h_userspace_mgmt(struct ieee80211_rx_data *rx) if (rx->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) sig = status->signal; - if (cfg80211_rx_mgmt(rx->sdata->dev, status->freq, sig, + if (cfg80211_rx_mgmt(&rx->sdata->wdev, status->freq, sig, rx->skb->data, rx->skb->len, GFP_ATOMIC)) { if (rx->sta) diff --git a/net/mac80211/status.c b/net/mac80211/status.c index 2ed2f27fe8a..8cd72914cda 100644 --- a/net/mac80211/status.c +++ b/net/mac80211/status.c @@ -519,14 +519,19 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb) u64 cookie = (unsigned long)skb; acked = info->flags & IEEE80211_TX_STAT_ACK; + /* + * TODO: When we have non-netdev frame TX, + * we cannot use skb->dev->ieee80211_ptr + */ + if (ieee80211_is_nullfunc(hdr->frame_control) || ieee80211_is_qos_nullfunc(hdr->frame_control)) cfg80211_probe_status(skb->dev, hdr->addr1, cookie, acked, GFP_ATOMIC); else cfg80211_mgmt_tx_status( - skb->dev, cookie, skb->data, skb->len, - acked, GFP_ATOMIC); + skb->dev->ieee80211_ptr, cookie, skb->data, + skb->len, acked, GFP_ATOMIC); } if (unlikely(info->ack_frame_id)) { diff --git a/net/wireless/core.h b/net/wireless/core.h index 6b0170a5f05..eae5a25a169 100644 --- a/net/wireless/core.h +++ b/net/wireless/core.h @@ -372,7 +372,7 @@ int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid, void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid); void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev); int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev, - struct net_device *dev, + struct wireless_dev *wdev, struct ieee80211_channel *chan, bool offchan, enum nl80211_channel_type channel_type, bool channel_type_valid, unsigned int wait, diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c index d4fece3bb18..abe9f82d5a8 100644 --- a/net/wireless/mlme.c +++ b/net/wireless/mlme.c @@ -567,29 +567,28 @@ void cfg80211_mlme_down(struct cfg80211_registered_device *rdev, } } -void cfg80211_ready_on_channel(struct net_device *dev, u64 cookie, +void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie, struct ieee80211_channel *chan, enum nl80211_channel_type channel_type, unsigned int duration, gfp_t gfp) { - struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; + struct wiphy *wiphy = wdev->wiphy; struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - nl80211_send_remain_on_channel(rdev, dev, cookie, chan, channel_type, + nl80211_send_remain_on_channel(rdev, wdev, cookie, chan, channel_type, duration, gfp); } EXPORT_SYMBOL(cfg80211_ready_on_channel); -void cfg80211_remain_on_channel_expired(struct net_device *dev, - u64 cookie, +void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie, struct ieee80211_channel *chan, enum nl80211_channel_type channel_type, gfp_t gfp) { - struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; + struct wiphy *wiphy = wdev->wiphy; struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); - nl80211_send_remain_on_channel_cancel(rdev, dev, cookie, chan, + nl80211_send_remain_on_channel_cancel(rdev, wdev, cookie, chan, channel_type, gfp); } EXPORT_SYMBOL(cfg80211_remain_on_channel_expired); @@ -678,8 +677,7 @@ int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid, list_add(&nreg->list, &wdev->mgmt_registrations); if (rdev->ops->mgmt_frame_register) - rdev->ops->mgmt_frame_register(wiphy, wdev->netdev, - frame_type, true); + rdev->ops->mgmt_frame_register(wiphy, wdev, frame_type, true); out: spin_unlock_bh(&wdev->mgmt_registrations_lock); @@ -702,7 +700,7 @@ void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid) if (rdev->ops->mgmt_frame_register) { u16 frame_type = le16_to_cpu(reg->frame_type); - rdev->ops->mgmt_frame_register(wiphy, wdev->netdev, + rdev->ops->mgmt_frame_register(wiphy, wdev, frame_type, false); } @@ -731,14 +729,14 @@ void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev) } int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev, - struct net_device *dev, + struct wireless_dev *wdev, struct ieee80211_channel *chan, bool offchan, enum nl80211_channel_type channel_type, bool channel_type_valid, unsigned int wait, const u8 *buf, size_t len, bool no_cck, bool dont_wait_for_ack, u64 *cookie) { - struct wireless_dev *wdev = dev->ieee80211_ptr; + struct net_device *dev = wdev->netdev; const struct ieee80211_mgmt *mgmt; u16 stype; @@ -825,16 +823,15 @@ int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev, return -EINVAL; /* Transmit the Action frame as requested by user space */ - return rdev->ops->mgmt_tx(&rdev->wiphy, dev, chan, offchan, + return rdev->ops->mgmt_tx(&rdev->wiphy, wdev, chan, offchan, channel_type, channel_type_valid, wait, buf, len, no_cck, dont_wait_for_ack, cookie); } -bool cfg80211_rx_mgmt(struct net_device *dev, int freq, int sig_mbm, +bool cfg80211_rx_mgmt(struct wireless_dev *wdev, int freq, int sig_mbm, const u8 *buf, size_t len, gfp_t gfp) { - struct wireless_dev *wdev = dev->ieee80211_ptr; struct wiphy *wiphy = wdev->wiphy; struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); struct cfg80211_mgmt_registration *reg; @@ -871,7 +868,7 @@ bool cfg80211_rx_mgmt(struct net_device *dev, int freq, int sig_mbm, /* found match! */ /* Indicate the received Action frame to user space */ - if (nl80211_send_mgmt(rdev, dev, reg->nlpid, + if (nl80211_send_mgmt(rdev, wdev, reg->nlpid, freq, sig_mbm, buf, len, gfp)) continue; @@ -886,15 +883,14 @@ bool cfg80211_rx_mgmt(struct net_device *dev, int freq, int sig_mbm, } EXPORT_SYMBOL(cfg80211_rx_mgmt); -void cfg80211_mgmt_tx_status(struct net_device *dev, u64 cookie, +void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie, const u8 *buf, size_t len, bool ack, gfp_t gfp) { - struct wireless_dev *wdev = dev->ieee80211_ptr; struct wiphy *wiphy = wdev->wiphy; struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); /* Indicate TX status of the Action frame to user space */ - nl80211_send_mgmt_tx_status(rdev, dev, cookie, buf, len, ack, gfp); + nl80211_send_mgmt_tx_status(rdev, wdev, cookie, buf, len, ack, gfp); } EXPORT_SYMBOL(cfg80211_mgmt_tx_status); diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 5800c49d694..0dc3356eea4 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -1728,6 +1728,11 @@ static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) return result; } +static inline u64 wdev_id(struct wireless_dev *wdev) +{ + return (u64)wdev->identifier | + ((u64)wiphy_to_dev(wdev->wiphy)->wiphy_idx << 32); +} static int nl80211_send_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags, struct cfg80211_registered_device *rdev, @@ -1735,8 +1740,6 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags, { struct net_device *dev = wdev->netdev; void *hdr; - u64 wdev_id = (u64)wdev->identifier | - ((u64)rdev->wiphy_idx << 32); hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_INTERFACE); if (!hdr) @@ -1750,7 +1753,7 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags, if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) || - nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id) || + nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->devlist_generation ^ (cfg80211_rdev_list_generation << 2))) @@ -5752,7 +5755,7 @@ static int nl80211_remain_on_channel(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 wireless_dev *wdev = info->user_ptr[1]; struct ieee80211_channel *chan; struct sk_buff *msg; void *hdr; @@ -5800,7 +5803,7 @@ static int nl80211_remain_on_channel(struct sk_buff *skb, goto free_msg; } - err = rdev->ops->remain_on_channel(&rdev->wiphy, dev, chan, + err = rdev->ops->remain_on_channel(&rdev->wiphy, wdev, chan, channel_type, duration, &cookie); if (err) @@ -5824,7 +5827,7 @@ static int nl80211_cancel_remain_on_channel(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 wireless_dev *wdev = info->user_ptr[1]; u64 cookie; if (!info->attrs[NL80211_ATTR_COOKIE]) @@ -5835,7 +5838,7 @@ static int nl80211_cancel_remain_on_channel(struct sk_buff *skb, cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); - return rdev->ops->cancel_remain_on_channel(&rdev->wiphy, dev, cookie); + return rdev->ops->cancel_remain_on_channel(&rdev->wiphy, wdev, cookie); } static u32 rateset_to_mask(struct ieee80211_supported_band *sband, @@ -5984,7 +5987,7 @@ static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, static int nl80211_register_mgmt(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 wireless_dev *wdev = info->user_ptr[1]; u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION; if (!info->attrs[NL80211_ATTR_FRAME_MATCH]) @@ -5993,21 +5996,24 @@ static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) if (info->attrs[NL80211_ATTR_FRAME_TYPE]) frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]); - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) + switch (wdev->iftype) { + case NL80211_IFTYPE_STATION: + case NL80211_IFTYPE_ADHOC: + case NL80211_IFTYPE_P2P_CLIENT: + case NL80211_IFTYPE_AP: + case NL80211_IFTYPE_AP_VLAN: + case NL80211_IFTYPE_MESH_POINT: + case NL80211_IFTYPE_P2P_GO: + break; + default: return -EOPNOTSUPP; + } /* not much point in registering if we can't reply */ if (!rdev->ops->mgmt_tx) return -EOPNOTSUPP; - return cfg80211_mlme_register_mgmt(dev->ieee80211_ptr, info->snd_pid, - frame_type, + return cfg80211_mlme_register_mgmt(wdev, info->snd_pid, frame_type, nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]), nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH])); } @@ -6015,7 +6021,7 @@ static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) static int nl80211_tx_mgmt(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 wireless_dev *wdev = info->user_ptr[1]; struct ieee80211_channel *chan; enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT; bool channel_type_valid = false; @@ -6036,14 +6042,18 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) if (!rdev->ops->mgmt_tx) return -EOPNOTSUPP; - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) + switch (wdev->iftype) { + case NL80211_IFTYPE_STATION: + case NL80211_IFTYPE_ADHOC: + case NL80211_IFTYPE_P2P_CLIENT: + case NL80211_IFTYPE_AP: + case NL80211_IFTYPE_AP_VLAN: + case NL80211_IFTYPE_MESH_POINT: + case NL80211_IFTYPE_P2P_GO: + break; + default: return -EOPNOTSUPP; + } if (info->attrs[NL80211_ATTR_DURATION]) { if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) @@ -6092,7 +6102,7 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) } } - err = cfg80211_mlme_mgmt_tx(rdev, dev, chan, offchan, channel_type, + err = cfg80211_mlme_mgmt_tx(rdev, wdev, chan, offchan, channel_type, channel_type_valid, wait, nla_data(info->attrs[NL80211_ATTR_FRAME]), nla_len(info->attrs[NL80211_ATTR_FRAME]), @@ -6120,7 +6130,7 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) static int nl80211_tx_mgmt_cancel_wait(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 wireless_dev *wdev = info->user_ptr[1]; u64 cookie; if (!info->attrs[NL80211_ATTR_COOKIE]) @@ -6129,17 +6139,21 @@ static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *in if (!rdev->ops->mgmt_tx_cancel_wait) return -EOPNOTSUPP; - if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && - dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) + switch (wdev->iftype) { + case NL80211_IFTYPE_STATION: + case NL80211_IFTYPE_ADHOC: + case NL80211_IFTYPE_P2P_CLIENT: + case NL80211_IFTYPE_AP: + case NL80211_IFTYPE_AP_VLAN: + case NL80211_IFTYPE_P2P_GO: + break; + default: return -EOPNOTSUPP; + } cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); - return rdev->ops->mgmt_tx_cancel_wait(&rdev->wiphy, dev, cookie); + return rdev->ops->mgmt_tx_cancel_wait(&rdev->wiphy, wdev, cookie); } static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info) @@ -7172,7 +7186,7 @@ static struct genl_ops nl80211_ops[] = { .doit = nl80211_remain_on_channel, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | + .internal_flags = NL80211_FLAG_NEED_WDEV_UP | NL80211_FLAG_NEED_RTNL, }, { @@ -7180,7 +7194,7 @@ static struct genl_ops nl80211_ops[] = { .doit = nl80211_cancel_remain_on_channel, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | + .internal_flags = NL80211_FLAG_NEED_WDEV_UP | NL80211_FLAG_NEED_RTNL, }, { @@ -7196,7 +7210,7 @@ static struct genl_ops nl80211_ops[] = { .doit = nl80211_register_mgmt, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV | + .internal_flags = NL80211_FLAG_NEED_WDEV | NL80211_FLAG_NEED_RTNL, }, { @@ -7204,7 +7218,7 @@ static struct genl_ops nl80211_ops[] = { .doit = nl80211_tx_mgmt, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | + .internal_flags = NL80211_FLAG_NEED_WDEV_UP | NL80211_FLAG_NEED_RTNL, }, { @@ -7212,7 +7226,7 @@ static struct genl_ops nl80211_ops[] = { .doit = nl80211_tx_mgmt_cancel_wait, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | + .internal_flags = NL80211_FLAG_NEED_WDEV_UP | NL80211_FLAG_NEED_RTNL, }, { @@ -8040,7 +8054,7 @@ nla_put_failure: static void nl80211_send_remain_on_chan_event( int cmd, struct cfg80211_registered_device *rdev, - struct net_device *netdev, u64 cookie, + struct wireless_dev *wdev, u64 cookie, struct ieee80211_channel *chan, enum nl80211_channel_type channel_type, unsigned int duration, gfp_t gfp) @@ -8059,7 +8073,9 @@ static void nl80211_send_remain_on_chan_event( } if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || - nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || + (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, + wdev->netdev->ifindex)) || + nla_put_u32(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) || nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, channel_type) || nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) @@ -8081,23 +8097,24 @@ static void nl80211_send_remain_on_chan_event( } void nl80211_send_remain_on_channel(struct cfg80211_registered_device *rdev, - struct net_device *netdev, u64 cookie, + struct wireless_dev *wdev, u64 cookie, struct ieee80211_channel *chan, enum nl80211_channel_type channel_type, unsigned int duration, gfp_t gfp) { nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL, - rdev, netdev, cookie, chan, + rdev, wdev, cookie, chan, channel_type, duration, gfp); } void nl80211_send_remain_on_channel_cancel( - struct cfg80211_registered_device *rdev, struct net_device *netdev, + struct cfg80211_registered_device *rdev, + struct wireless_dev *wdev, u64 cookie, struct ieee80211_channel *chan, enum nl80211_channel_type channel_type, gfp_t gfp) { nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, - rdev, netdev, cookie, chan, + rdev, wdev, cookie, chan, channel_type, 0, gfp); } @@ -8211,10 +8228,11 @@ bool nl80211_unexpected_4addr_frame(struct net_device *dev, } int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, - struct net_device *netdev, u32 nlpid, + struct wireless_dev *wdev, u32 nlpid, int freq, int sig_dbm, const u8 *buf, size_t len, gfp_t gfp) { + struct net_device *netdev = wdev->netdev; struct sk_buff *msg; void *hdr; @@ -8229,7 +8247,8 @@ int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, } if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || - nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || + (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, + netdev->ifindex)) || nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) || (sig_dbm && nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || @@ -8247,10 +8266,11 @@ int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, } void nl80211_send_mgmt_tx_status(struct cfg80211_registered_device *rdev, - struct net_device *netdev, u64 cookie, + struct wireless_dev *wdev, u64 cookie, const u8 *buf, size_t len, bool ack, gfp_t gfp) { + struct net_device *netdev = wdev->netdev; struct sk_buff *msg; void *hdr; @@ -8265,7 +8285,8 @@ void nl80211_send_mgmt_tx_status(struct cfg80211_registered_device *rdev, } if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || - nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || + (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, + netdev->ifindex)) || nla_put(msg, NL80211_ATTR_FRAME, len, buf) || nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie) || (ack && nla_put_flag(msg, NL80211_ATTR_ACK))) diff --git a/net/wireless/nl80211.h b/net/wireless/nl80211.h index 01a1122c3b3..0469303b5c3 100644 --- a/net/wireless/nl80211.h +++ b/net/wireless/nl80211.h @@ -74,13 +74,13 @@ void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev, gfp_t gfp); void nl80211_send_remain_on_channel(struct cfg80211_registered_device *rdev, - struct net_device *netdev, - u64 cookie, + struct wireless_dev *wdev, u64 cookie, struct ieee80211_channel *chan, enum nl80211_channel_type channel_type, unsigned int duration, gfp_t gfp); void nl80211_send_remain_on_channel_cancel( - struct cfg80211_registered_device *rdev, struct net_device *netdev, + struct cfg80211_registered_device *rdev, + struct wireless_dev *wdev, u64 cookie, struct ieee80211_channel *chan, enum nl80211_channel_type channel_type, gfp_t gfp); @@ -92,11 +92,11 @@ void nl80211_send_sta_del_event(struct cfg80211_registered_device *rdev, gfp_t gfp); int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, - struct net_device *netdev, u32 nlpid, + struct wireless_dev *wdev, u32 nlpid, int freq, int sig_dbm, const u8 *buf, size_t len, gfp_t gfp); void nl80211_send_mgmt_tx_status(struct cfg80211_registered_device *rdev, - struct net_device *netdev, u64 cookie, + struct wireless_dev *wdev, u64 cookie, const u8 *buf, size_t len, bool ack, gfp_t gfp); -- cgit v1.2.2 From 1913e57cf9a7be4565c56a3fbfd85106919ea006 Mon Sep 17 00:00:00 2001 From: Mathias Jeppsson Date: Sat, 7 Jul 2012 00:53:18 +0200 Subject: NFC: Fix empty HCI message list check list_first_entry() will never return NULL. Instead use list_for_each_entry_safe() to iterate through the list. Signed-off-by: Mathias Jeppsson Signed-off-by: Samuel Ortiz Signed-off-by: John W. Linville --- net/nfc/hci/core.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) (limited to 'net') diff --git a/net/nfc/hci/core.c b/net/nfc/hci/core.c index e1a640d2b58..da6e039c860 100644 --- a/net/nfc/hci/core.c +++ b/net/nfc/hci/core.c @@ -682,13 +682,12 @@ EXPORT_SYMBOL(nfc_hci_register_device); void nfc_hci_unregister_device(struct nfc_hci_dev *hdev) { - struct hci_msg *msg; + struct hci_msg *msg, *n; skb_queue_purge(&hdev->rx_hcp_frags); skb_queue_purge(&hdev->msg_rx_queue); - while ((msg = list_first_entry(&hdev->msg_tx_queue, struct hci_msg, - msg_l)) != NULL) { + list_for_each_entry_safe(msg, n, &hdev->msg_tx_queue, msg_l) { list_del(&msg->msg_l); skb_queue_purge(&msg->msg_frags); kfree(msg); -- cgit v1.2.2 From f8bf65bf3688835f95f7c74f5c844a64b2743a42 Mon Sep 17 00:00:00 2001 From: Mathias Jeppsson Date: Sat, 7 Jul 2012 00:53:19 +0200 Subject: NFC: Fix order of arguments to list_add_tail() when queueing HCP frames The HCP message should be added to transmit queue, not the other way around. Signed-off-by: Mathias Jeppsson Signed-off-by: Samuel Ortiz Signed-off-by: John W. Linville --- net/nfc/hci/hcp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'net') diff --git a/net/nfc/hci/hcp.c b/net/nfc/hci/hcp.c index 7212cf2c578..f4dad1a8974 100644 --- a/net/nfc/hci/hcp.c +++ b/net/nfc/hci/hcp.c @@ -105,7 +105,7 @@ int nfc_hci_hcp_message_tx(struct nfc_hci_dev *hdev, u8 pipe, } mutex_lock(&hdev->msg_tx_mutex); - list_add_tail(&hdev->msg_tx_queue, &cmd->msg_l); + list_add_tail(&cmd->msg_l, &hdev->msg_tx_queue); mutex_unlock(&hdev->msg_tx_mutex); queue_work(hdev->msg_tx_wq, &hdev->msg_tx_work); -- cgit v1.2.2 From 353d09c6ceedc1cb0c54fe5002c0ca80b6ee6e4f Mon Sep 17 00:00:00 2001 From: Christian Lamparter Date: Sat, 7 Jul 2012 15:07:13 +0200 Subject: mac80211: fix read outside array bounds ieee802_1d_to_ac is defined as a const int[8], but the tid parameter has a range from 0 to 15. Cc: stable@vger.kernel.org Signed-off-by: Christian Lamparter Signed-off-by: John W. Linville --- net/mac80211/tx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'net') diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index e453212fa17..85cf32d2f7b 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -2733,7 +2733,7 @@ EXPORT_SYMBOL(ieee80211_get_buffered_bc); void ieee80211_tx_skb_tid(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, int tid) { - int ac = ieee802_1d_to_ac[tid]; + int ac = ieee802_1d_to_ac[tid & 7]; skb_set_mac_header(skb, 0); skb_set_network_header(skb, 0); -- cgit v1.2.2 From afeb019d0ac329feb500dca444d9692064789096 Mon Sep 17 00:00:00 2001 From: Jaganath Kanakkassery Date: Mon, 9 Jul 2012 16:11:51 +0530 Subject: Bluetooth: Refactor PIN code rejection to use user_pairing_resp() Reuse user_pairing_resp() to send PIN code negative reply Signed-off-by: Jaganath Kanakkassery Signed-off-by: Gustavo Padovan --- net/bluetooth/mgmt.c | 35 ++++++++++++----------------------- 1 file changed, 12 insertions(+), 23 deletions(-) (limited to 'net') diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index e83368fe569..0475f376ebf 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -1778,29 +1778,6 @@ failed: return err; } -static int pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev, - void *data, u16 len) -{ - struct mgmt_cp_pin_code_neg_reply *cp = data; - int err; - - BT_DBG(""); - - hci_dev_lock(hdev); - - if (!hdev_is_powered(hdev)) { - err = cmd_status(sk, hdev->id, MGMT_OP_PIN_CODE_NEG_REPLY, - MGMT_STATUS_NOT_POWERED); - goto failed; - } - - err = send_pin_code_neg_reply(sk, hdev, cp); - -failed: - hci_dev_unlock(hdev); - return err; -} - static int set_io_capability(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) { @@ -2083,6 +2060,18 @@ done: return err; } +static int pin_code_neg_reply(struct sock *sk, struct hci_dev *hdev, + void *data, u16 len) +{ + struct mgmt_cp_pin_code_neg_reply *cp = data; + + BT_DBG(""); + + return user_pairing_resp(sk, hdev, &cp->addr.bdaddr, cp->addr.type, + MGMT_OP_PIN_CODE_NEG_REPLY, + HCI_OP_PIN_CODE_NEG_REPLY, 0); +} + static int user_confirm_reply(struct sock *sk, struct hci_dev *hdev, void *data, u16 len) { -- cgit v1.2.2 From 2104786b429766adb32b5300bb5b4258abfd4b16 Mon Sep 17 00:00:00 2001 From: Andrei Emeltchenko Date: Tue, 10 Jul 2012 15:27:47 +0300 Subject: Bluetooth: debug: Add printing num of cmds queued Signed-off-by: Andrei Emeltchenko Signed-off-by: Gustavo Padovan --- net/bluetooth/hci_core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'net') diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c index f932d663ff6..d4de5db18d5 100644 --- a/net/bluetooth/hci_core.c +++ b/net/bluetooth/hci_core.c @@ -2821,7 +2821,8 @@ static void hci_cmd_work(struct work_struct *work) struct hci_dev *hdev = container_of(work, struct hci_dev, cmd_work); struct sk_buff *skb; - BT_DBG("%s cmd %d", hdev->name, atomic_read(&hdev->cmd_cnt)); + BT_DBG("%s cmd_cnt %d cmd queued %d", hdev->name, + atomic_read(&hdev->cmd_cnt), skb_queue_len(&hdev->cmd_q)); /* Send queued commands */ if (atomic_read(&hdev->cmd_cnt)) { -- cgit v1.2.2 From b44006728d1e553dcebe114252ed8b617db3eace Mon Sep 17 00:00:00 2001 From: Andrei Emeltchenko Date: Tue, 10 Jul 2012 15:27:49 +0300 Subject: Bluetooth: debug: Correct types specifiers for L2CAP Avoid unneeded type conversion by correcting type specifiers in debug statements for L2CAP. Signed-off-by: Andrei Emeltchenko Signed-off-by: Gustavo Padovan --- net/bluetooth/l2cap_core.c | 52 +++++++++++++++++++++++----------------------- 1 file changed, 26 insertions(+), 26 deletions(-) (limited to 'net') diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index d42dfdc83eb..e90dacda107 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -1657,7 +1657,7 @@ static void l2cap_streaming_send(struct l2cap_chan *chan, l2cap_do_send(chan, skb); - BT_DBG("Sent txseq %d", (int)control->txseq); + BT_DBG("Sent txseq %u", control->txseq); chan->next_tx_seq = __next_seq(chan, chan->next_tx_seq); chan->frames_sent++; @@ -1722,11 +1722,11 @@ static int l2cap_ertm_send(struct l2cap_chan *chan) chan->tx_send_head = skb_queue_next(&chan->tx_q, skb); l2cap_do_send(chan, tx_skb); - BT_DBG("Sent txseq %d", (int)control->txseq); + BT_DBG("Sent txseq %u", control->txseq); } - BT_DBG("Sent %d, %d unacked, %d in ERTM queue", sent, - (int) chan->unacked_frames, skb_queue_len(&chan->tx_q)); + BT_DBG("Sent %d, %u unacked, %u in ERTM queue", sent, + chan->unacked_frames, skb_queue_len(&chan->tx_q)); return sent; } @@ -1884,7 +1884,7 @@ static void l2cap_send_ack(struct l2cap_chan *chan) threshold += threshold << 1; threshold >>= 2; - BT_DBG("frames_to_ack %d, threshold %d", (int)frames_to_ack, + BT_DBG("frames_to_ack %u, threshold %d", frames_to_ack, threshold); if (frames_to_ack >= threshold) { @@ -1946,15 +1946,15 @@ static inline int l2cap_skbuff_fromiovec(struct l2cap_chan *chan, } static struct sk_buff *l2cap_create_connless_pdu(struct l2cap_chan *chan, - struct msghdr *msg, size_t len, - u32 priority) + struct msghdr *msg, size_t len, + u32 priority) { struct l2cap_conn *conn = chan->conn; struct sk_buff *skb; int err, count, hlen = L2CAP_HDR_SIZE + L2CAP_PSMLEN_SIZE; struct l2cap_hdr *lh; - BT_DBG("chan %p len %d priority %u", chan, (int)len, priority); + BT_DBG("chan %p len %zu priority %u", chan, len, priority); count = min_t(unsigned int, (conn->mtu - hlen), len); @@ -1980,15 +1980,15 @@ static struct sk_buff *l2cap_create_connless_pdu(struct l2cap_chan *chan, } static struct sk_buff *l2cap_create_basic_pdu(struct l2cap_chan *chan, - struct msghdr *msg, size_t len, - u32 priority) + struct msghdr *msg, size_t len, + u32 priority) { struct l2cap_conn *conn = chan->conn; struct sk_buff *skb; int err, count; struct l2cap_hdr *lh; - BT_DBG("chan %p len %d", chan, (int)len); + BT_DBG("chan %p len %zu", chan, len); count = min_t(unsigned int, (conn->mtu - L2CAP_HDR_SIZE), len); @@ -2013,15 +2013,15 @@ static struct sk_buff *l2cap_create_basic_pdu(struct l2cap_chan *chan, } static struct sk_buff *l2cap_create_iframe_pdu(struct l2cap_chan *chan, - struct msghdr *msg, size_t len, - u16 sdulen) + struct msghdr *msg, size_t len, + u16 sdulen) { struct l2cap_conn *conn = chan->conn; struct sk_buff *skb; int err, count, hlen; struct l2cap_hdr *lh; - BT_DBG("chan %p len %d", chan, (int)len); + BT_DBG("chan %p len %zu", chan, len); if (!conn) return ERR_PTR(-ENOTCONN); @@ -2075,7 +2075,7 @@ static int l2cap_segment_sdu(struct l2cap_chan *chan, size_t pdu_len; u8 sar; - BT_DBG("chan %p, msg %p, len %d", chan, msg, (int)len); + BT_DBG("chan %p, msg %p, len %zu", chan, msg, len); /* It is critical that ERTM PDUs fit in a single HCI fragment, * so fragmented skbs are not used. The HCI layer's handling @@ -2219,7 +2219,7 @@ static void l2cap_send_srej(struct l2cap_chan *chan, u16 txseq) struct l2cap_ctrl control; u16 seq; - BT_DBG("chan %p, txseq %d", chan, txseq); + BT_DBG("chan %p, txseq %u", chan, txseq); memset(&control, 0, sizeof(control)); control.sframe = 1; @@ -2259,7 +2259,7 @@ static void l2cap_send_srej_list(struct l2cap_chan *chan, u16 txseq) u16 initial_head; u16 seq; - BT_DBG("chan %p, txseq %d", chan, txseq); + BT_DBG("chan %p, txseq %u", chan, txseq); memset(&control, 0, sizeof(control)); control.sframe = 1; @@ -2284,12 +2284,12 @@ static void l2cap_process_reqseq(struct l2cap_chan *chan, u16 reqseq) struct sk_buff *acked_skb; u16 ackseq; - BT_DBG("chan %p, reqseq %d", chan, reqseq); + BT_DBG("chan %p, reqseq %u", chan, reqseq); if (chan->unacked_frames == 0 || reqseq == chan->expected_ack_seq) return; - BT_DBG("expected_ack_seq %d, unacked_frames %d", + BT_DBG("expected_ack_seq %u, unacked_frames %u", chan->expected_ack_seq, chan->unacked_frames); for (ackseq = chan->expected_ack_seq; ackseq != reqseq; @@ -2308,7 +2308,7 @@ static void l2cap_process_reqseq(struct l2cap_chan *chan, u16 reqseq) if (chan->unacked_frames == 0) __clear_retrans_timer(chan); - BT_DBG("unacked_frames %d", (int) chan->unacked_frames); + BT_DBG("unacked_frames %u", chan->unacked_frames); } static void l2cap_abort_rx_srej_sent(struct l2cap_chan *chan) @@ -2534,16 +2534,16 @@ static void l2cap_raw_recv(struct l2cap_conn *conn, struct sk_buff *skb) } /* ---- L2CAP signalling commands ---- */ -static struct sk_buff *l2cap_build_cmd(struct l2cap_conn *conn, - u8 code, u8 ident, u16 dlen, void *data) +static struct sk_buff *l2cap_build_cmd(struct l2cap_conn *conn, u8 code, + u8 ident, u16 dlen, void *data) { struct sk_buff *skb, **frag; struct l2cap_cmd_hdr *cmd; struct l2cap_hdr *lh; int len, count; - BT_DBG("conn %p, code 0x%2.2x, ident 0x%2.2x, len %d", - conn, code, ident, dlen); + BT_DBG("conn %p, code 0x%2.2x, ident 0x%2.2x, len %u", + conn, code, ident, dlen); len = L2CAP_HDR_SIZE + L2CAP_CMD_HDR_SIZE + dlen; count = min_t(unsigned int, conn->mtu, len); @@ -2626,7 +2626,7 @@ static inline int l2cap_get_conf_opt(void **ptr, int *type, int *olen, unsigned break; } - BT_DBG("type 0x%2.2x len %d val 0x%lx", *type, opt->len, *val); + BT_DBG("type 0x%2.2x len %u val 0x%lx", *type, opt->len, *val); return len; } @@ -2634,7 +2634,7 @@ static void l2cap_add_conf_opt(void **ptr, u8 type, u8 len, unsigned long val) { struct l2cap_conf_opt *opt = *ptr; - BT_DBG("type 0x%2.2x len %d val 0x%lx", type, len, val); + BT_DBG("type 0x%2.2x len %u val 0x%lx", type, len, val); opt->type = type; opt->len = len; -- cgit v1.2.2 From ad0ac6ca5ffc959b7f8af2c76da4bf2f120aa0ee Mon Sep 17 00:00:00 2001 From: Andrei Emeltchenko Date: Tue, 10 Jul 2012 15:27:50 +0300 Subject: Bluetooth: debug: Print CID and PSM in hex format Correct places where CID and PSM were printed as int. For CID: 0x%4.4x is used and for PSM: 0x%2.2x. Signed-off-by: Andrei Emeltchenko Signed-off-by: Gustavo Padovan --- net/bluetooth/l2cap_core.c | 35 ++++++++++++++++++++--------------- 1 file changed, 20 insertions(+), 15 deletions(-) (limited to 'net') diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index e90dacda107..c2d6981bb97 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -3949,7 +3949,7 @@ static inline int l2cap_create_channel_req(struct l2cap_conn *conn, psm = le16_to_cpu(req->psm); scid = le16_to_cpu(req->scid); - BT_DBG("psm %d, scid %d, amp_id %d", psm, scid, req->amp_id); + BT_DBG("psm 0x%2.2x, scid 0x%4.4x, amp_id %d", psm, scid, req->amp_id); /* Placeholder: Always reject */ rsp.dcid = 0; @@ -3972,11 +3972,11 @@ static inline int l2cap_create_channel_rsp(struct l2cap_conn *conn, } static void l2cap_send_move_chan_rsp(struct l2cap_conn *conn, u8 ident, - u16 icid, u16 result) + u16 icid, u16 result) { struct l2cap_move_chan_rsp rsp; - BT_DBG("icid %d, result %d", icid, result); + BT_DBG("icid 0x%4.4x, result 0x%4.4x", icid, result); rsp.icid = cpu_to_le16(icid); rsp.result = cpu_to_le16(result); @@ -3985,12 +3985,13 @@ static void l2cap_send_move_chan_rsp(struct l2cap_conn *conn, u8 ident, } static void l2cap_send_move_chan_cfm(struct l2cap_conn *conn, - struct l2cap_chan *chan, u16 icid, u16 result) + struct l2cap_chan *chan, + u16 icid, u16 result) { struct l2cap_move_chan_cfm cfm; u8 ident; - BT_DBG("icid %d, result %d", icid, result); + BT_DBG("icid 0x%4.4x, result 0x%4.4x", icid, result); ident = l2cap_get_ident(conn); if (chan) @@ -4003,18 +4004,19 @@ static void l2cap_send_move_chan_cfm(struct l2cap_conn *conn, } static void l2cap_send_move_chan_cfm_rsp(struct l2cap_conn *conn, u8 ident, - u16 icid) + u16 icid) { struct l2cap_move_chan_cfm_rsp rsp; - BT_DBG("icid %d", icid); + BT_DBG("icid 0x%4.4x", icid); rsp.icid = cpu_to_le16(icid); l2cap_send_cmd(conn, ident, L2CAP_MOVE_CHAN_CFM_RSP, sizeof(rsp), &rsp); } static inline int l2cap_move_channel_req(struct l2cap_conn *conn, - struct l2cap_cmd_hdr *cmd, u16 cmd_len, void *data) + struct l2cap_cmd_hdr *cmd, + u16 cmd_len, void *data) { struct l2cap_move_chan_req *req = data; u16 icid = 0; @@ -4025,7 +4027,7 @@ static inline int l2cap_move_channel_req(struct l2cap_conn *conn, icid = le16_to_cpu(req->icid); - BT_DBG("icid %d, dest_amp_id %d", icid, req->dest_amp_id); + BT_DBG("icid 0x%4.4x, dest_amp_id %d", icid, req->dest_amp_id); if (!enable_hs) return -EINVAL; @@ -4037,7 +4039,8 @@ static inline int l2cap_move_channel_req(struct l2cap_conn *conn, } static inline int l2cap_move_channel_rsp(struct l2cap_conn *conn, - struct l2cap_cmd_hdr *cmd, u16 cmd_len, void *data) + struct l2cap_cmd_hdr *cmd, + u16 cmd_len, void *data) { struct l2cap_move_chan_rsp *rsp = data; u16 icid, result; @@ -4048,7 +4051,7 @@ static inline int l2cap_move_channel_rsp(struct l2cap_conn *conn, icid = le16_to_cpu(rsp->icid); result = le16_to_cpu(rsp->result); - BT_DBG("icid %d, result %d", icid, result); + 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); @@ -4057,7 +4060,8 @@ static inline int l2cap_move_channel_rsp(struct l2cap_conn *conn, } static inline int l2cap_move_channel_confirm(struct l2cap_conn *conn, - struct l2cap_cmd_hdr *cmd, u16 cmd_len, void *data) + struct l2cap_cmd_hdr *cmd, + u16 cmd_len, void *data) { struct l2cap_move_chan_cfm *cfm = data; u16 icid, result; @@ -4068,7 +4072,7 @@ static inline int l2cap_move_channel_confirm(struct l2cap_conn *conn, icid = le16_to_cpu(cfm->icid); result = le16_to_cpu(cfm->result); - BT_DBG("icid %d, result %d", icid, result); + BT_DBG("icid 0x%4.4x, result 0x%4.4x", icid, result); l2cap_send_move_chan_cfm_rsp(conn, cmd->ident, icid); @@ -4076,7 +4080,8 @@ static inline int l2cap_move_channel_confirm(struct l2cap_conn *conn, } static inline int l2cap_move_channel_confirm_rsp(struct l2cap_conn *conn, - struct l2cap_cmd_hdr *cmd, u16 cmd_len, void *data) + struct l2cap_cmd_hdr *cmd, + u16 cmd_len, void *data) { struct l2cap_move_chan_cfm_rsp *rsp = data; u16 icid; @@ -4086,7 +4091,7 @@ static inline int l2cap_move_channel_confirm_rsp(struct l2cap_conn *conn, icid = le16_to_cpu(rsp->icid); - BT_DBG("icid %d", icid); + BT_DBG("icid 0x%4.4x", icid); return 0; } -- cgit v1.2.2 From 89d8b4078921023c52551b641b647352751ae714 Mon Sep 17 00:00:00 2001 From: Andrei Emeltchenko Date: Tue, 10 Jul 2012 15:27:51 +0300 Subject: Bluetooth: debug: Add debug to l2cap_security_cfm Signed-off-by: Andrei Emeltchenko Signed-off-by: Gustavo Padovan --- net/bluetooth/l2cap_core.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'net') diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index c2d6981bb97..9fd05993f5b 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -5379,7 +5379,7 @@ int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt) if (!conn) return 0; - BT_DBG("conn %p", conn); + BT_DBG("conn %p status 0x%2.2x encrypt %u", conn, status, encrypt); if (hcon->type == LE_LINK) { if (!status && encrypt) @@ -5392,7 +5392,8 @@ int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt) list_for_each_entry(chan, &conn->chan_l, list) { l2cap_chan_lock(chan); - BT_DBG("chan->scid %d", chan->scid); + BT_DBG("chan %p scid 0x%4.4x state %s", chan, chan->scid, + state_to_string(chan->state)); if (chan->scid == L2CAP_CID_LE_DATA) { if (!status && encrypt) { -- cgit v1.2.2 From 9f1db00cdc9429593a887c20fb4372a6fb82a96c Mon Sep 17 00:00:00 2001 From: Andrei Emeltchenko Date: Wed, 11 Jul 2012 14:32:43 +0300 Subject: Bluetooth: debug: Use standard hex object specifiers in hci_event To help debugging printed hex object use standard bluetooth specifiers in hci_event. The patch changes format from 0x%04x to 0x%4.4x; print manufacturer id and handle in hex instead of int; print opcode always in 0x%4.4x format; status in 0x%2.2x. Signed-off-by: Andrei Emeltchenko Signed-off-by: Gustavo Padovan --- net/bluetooth/hci_event.c | 170 +++++++++++++++++++++++----------------------- 1 file changed, 85 insertions(+), 85 deletions(-) (limited to 'net') diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index 1ba929c05d0..41ff978a33f 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -36,7 +36,7 @@ static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb) { __u8 status = *((__u8 *) skb->data); - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); if (status) { hci_dev_lock(hdev); @@ -60,7 +60,7 @@ static void hci_cc_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb) { __u8 status = *((__u8 *) skb->data); - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); if (status) return; @@ -72,7 +72,7 @@ static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb) { __u8 status = *((__u8 *) skb->data); - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); if (status) return; @@ -93,7 +93,7 @@ static void hci_cc_role_discovery(struct hci_dev *hdev, struct sk_buff *skb) struct hci_rp_role_discovery *rp = (void *) skb->data; struct hci_conn *conn; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; @@ -116,7 +116,7 @@ static void hci_cc_read_link_policy(struct hci_dev *hdev, struct sk_buff *skb) struct hci_rp_read_link_policy *rp = (void *) skb->data; struct hci_conn *conn; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; @@ -136,7 +136,7 @@ static void hci_cc_write_link_policy(struct hci_dev *hdev, struct sk_buff *skb) struct hci_conn *conn; void *sent; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; @@ -159,7 +159,7 @@ static void hci_cc_read_def_link_policy(struct hci_dev *hdev, { struct hci_rp_read_def_link_policy *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; @@ -173,7 +173,7 @@ static void hci_cc_write_def_link_policy(struct hci_dev *hdev, __u8 status = *((__u8 *) skb->data); void *sent; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_DEF_LINK_POLICY); if (!sent) @@ -189,7 +189,7 @@ static void hci_cc_reset(struct hci_dev *hdev, struct sk_buff *skb) { __u8 status = *((__u8 *) skb->data); - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); clear_bit(HCI_RESET, &hdev->flags); @@ -207,7 +207,7 @@ static void hci_cc_write_local_name(struct hci_dev *hdev, struct sk_buff *skb) __u8 status = *((__u8 *) skb->data); void *sent; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LOCAL_NAME); if (!sent) @@ -229,7 +229,7 @@ static void hci_cc_read_local_name(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_rp_read_local_name *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; @@ -243,7 +243,7 @@ static void hci_cc_write_auth_enable(struct hci_dev *hdev, struct sk_buff *skb) __u8 status = *((__u8 *) skb->data); void *sent; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_AUTH_ENABLE); if (!sent) @@ -269,7 +269,7 @@ static void hci_cc_write_encrypt_mode(struct hci_dev *hdev, struct sk_buff *skb) __u8 status = *((__u8 *) skb->data); void *sent; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_ENCRYPT_MODE); if (!sent) @@ -293,7 +293,7 @@ static void hci_cc_write_scan_enable(struct hci_dev *hdev, struct sk_buff *skb) int old_pscan, old_iscan; void *sent; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SCAN_ENABLE); if (!sent) @@ -340,7 +340,7 @@ static void hci_cc_read_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_rp_read_class_of_dev *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; @@ -356,7 +356,7 @@ static void hci_cc_write_class_of_dev(struct hci_dev *hdev, struct sk_buff *skb) __u8 status = *((__u8 *) skb->data); void *sent; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_CLASS_OF_DEV); if (!sent) @@ -378,7 +378,7 @@ static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb) struct hci_rp_read_voice_setting *rp = (void *) skb->data; __u16 setting; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; @@ -390,7 +390,7 @@ static void hci_cc_read_voice_setting(struct hci_dev *hdev, struct sk_buff *skb) hdev->voice_setting = setting; - BT_DBG("%s voice setting 0x%04x", hdev->name, setting); + BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting); if (hdev->notify) hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING); @@ -403,7 +403,7 @@ static void hci_cc_write_voice_setting(struct hci_dev *hdev, __u16 setting; void *sent; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); if (status) return; @@ -419,7 +419,7 @@ static void hci_cc_write_voice_setting(struct hci_dev *hdev, hdev->voice_setting = setting; - BT_DBG("%s voice setting 0x%04x", hdev->name, setting); + BT_DBG("%s voice setting 0x%4.4x", hdev->name, setting); if (hdev->notify) hdev->notify(hdev, HCI_NOTIFY_VOICE_SETTING); @@ -429,7 +429,7 @@ static void hci_cc_host_buffer_size(struct hci_dev *hdev, struct sk_buff *skb) { __u8 status = *((__u8 *) skb->data); - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); hci_req_complete(hdev, HCI_OP_HOST_BUFFER_SIZE, status); } @@ -439,7 +439,7 @@ static void hci_cc_write_ssp_mode(struct hci_dev *hdev, struct sk_buff *skb) __u8 status = *((__u8 *) skb->data); void *sent; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_SSP_MODE); if (!sent) @@ -597,7 +597,7 @@ static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_rp_read_local_version *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) goto done; @@ -608,7 +608,7 @@ static void hci_cc_read_local_version(struct hci_dev *hdev, struct sk_buff *skb) hdev->manufacturer = __le16_to_cpu(rp->manufacturer); hdev->lmp_subver = __le16_to_cpu(rp->lmp_subver); - BT_DBG("%s manufacturer %d hci ver %d:%d", hdev->name, + BT_DBG("%s manufacturer 0x%4.4x hci ver %d:%d", hdev->name, hdev->manufacturer, hdev->hci_ver, hdev->hci_rev); if (test_bit(HCI_INIT, &hdev->flags)) @@ -641,7 +641,7 @@ static void hci_cc_read_local_commands(struct hci_dev *hdev, { struct hci_rp_read_local_commands *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) goto done; @@ -660,7 +660,7 @@ static void hci_cc_read_local_features(struct hci_dev *hdev, { struct hci_rp_read_local_features *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; @@ -732,7 +732,7 @@ static void hci_cc_read_local_ext_features(struct hci_dev *hdev, { struct hci_rp_read_local_ext_features *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) goto done; @@ -758,7 +758,7 @@ static void hci_cc_read_flow_control_mode(struct hci_dev *hdev, { struct hci_rp_read_flow_control_mode *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; @@ -772,7 +772,7 @@ static void hci_cc_read_buffer_size(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_rp_read_buffer_size *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; @@ -798,7 +798,7 @@ static void hci_cc_read_bd_addr(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_rp_read_bd_addr *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (!rp->status) bacpy(&hdev->bdaddr, &rp->bdaddr); @@ -811,7 +811,7 @@ static void hci_cc_read_data_block_size(struct hci_dev *hdev, { struct hci_rp_read_data_block_size *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; @@ -832,7 +832,7 @@ static void hci_cc_write_ca_timeout(struct hci_dev *hdev, struct sk_buff *skb) { __u8 status = *((__u8 *) skb->data); - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); hci_req_complete(hdev, HCI_OP_WRITE_CA_TIMEOUT, status); } @@ -842,7 +842,7 @@ static void hci_cc_read_local_amp_info(struct hci_dev *hdev, { struct hci_rp_read_local_amp_info *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; @@ -866,7 +866,7 @@ static void hci_cc_delete_stored_link_key(struct hci_dev *hdev, { __u8 status = *((__u8 *) skb->data); - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); hci_req_complete(hdev, HCI_OP_DELETE_STORED_LINK_KEY, status); } @@ -875,7 +875,7 @@ static void hci_cc_set_event_mask(struct hci_dev *hdev, struct sk_buff *skb) { __u8 status = *((__u8 *) skb->data); - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); hci_req_complete(hdev, HCI_OP_SET_EVENT_MASK, status); } @@ -885,7 +885,7 @@ static void hci_cc_write_inquiry_mode(struct hci_dev *hdev, { __u8 status = *((__u8 *) skb->data); - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); hci_req_complete(hdev, HCI_OP_WRITE_INQUIRY_MODE, status); } @@ -895,7 +895,7 @@ static void hci_cc_read_inq_rsp_tx_power(struct hci_dev *hdev, { struct hci_rp_read_inq_rsp_tx_power *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (!rp->status) hdev->inq_tx_power = rp->tx_power; @@ -907,7 +907,7 @@ static void hci_cc_set_event_flt(struct hci_dev *hdev, struct sk_buff *skb) { __u8 status = *((__u8 *) skb->data); - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); hci_req_complete(hdev, HCI_OP_SET_EVENT_FLT, status); } @@ -918,7 +918,7 @@ static void hci_cc_pin_code_reply(struct hci_dev *hdev, struct sk_buff *skb) struct hci_cp_pin_code_reply *cp; struct hci_conn *conn; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); hci_dev_lock(hdev); @@ -944,7 +944,7 @@ static void hci_cc_pin_code_neg_reply(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_rp_pin_code_neg_reply *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); hci_dev_lock(hdev); @@ -960,7 +960,7 @@ static void hci_cc_le_read_buffer_size(struct hci_dev *hdev, { struct hci_rp_le_read_buffer_size *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; @@ -979,7 +979,7 @@ 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; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); hci_dev_lock(hdev); @@ -995,7 +995,7 @@ static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev, { struct hci_rp_user_confirm_reply *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); hci_dev_lock(hdev); @@ -1010,7 +1010,7 @@ static void hci_cc_user_passkey_reply(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_rp_user_confirm_reply *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); hci_dev_lock(hdev); @@ -1026,7 +1026,7 @@ static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev, { struct hci_rp_user_confirm_reply *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); hci_dev_lock(hdev); @@ -1042,7 +1042,7 @@ static void hci_cc_read_local_oob_data_reply(struct hci_dev *hdev, { struct hci_rp_read_local_oob_data *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); hci_dev_lock(hdev); mgmt_read_local_oob_data_reply_complete(hdev, rp->hash, @@ -1054,7 +1054,7 @@ static void hci_cc_le_set_scan_param(struct hci_dev *hdev, struct sk_buff *skb) { __u8 status = *((__u8 *) skb->data); - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); hci_req_complete(hdev, HCI_OP_LE_SET_SCAN_PARAM, status); @@ -1072,7 +1072,7 @@ static void hci_cc_le_set_scan_enable(struct hci_dev *hdev, struct hci_cp_le_set_scan_enable *cp; __u8 status = *((__u8 *) skb->data); - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); cp = hci_sent_cmd_data(hdev, HCI_OP_LE_SET_SCAN_ENABLE); if (!cp) @@ -1127,7 +1127,7 @@ 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; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; @@ -1139,7 +1139,7 @@ static void hci_cc_le_ltk_neg_reply(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_rp_le_ltk_neg_reply *rp = (void *) skb->data; - BT_DBG("%s status 0x%x", hdev->name, rp->status); + BT_DBG("%s status 0x%2.2x", hdev->name, rp->status); if (rp->status) return; @@ -1153,7 +1153,7 @@ static void hci_cc_write_le_host_supported(struct hci_dev *hdev, struct hci_cp_write_le_host_supported *sent; __u8 status = *((__u8 *) skb->data); - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); sent = hci_sent_cmd_data(hdev, HCI_OP_WRITE_LE_HOST_SUPPORTED); if (!sent) @@ -1175,7 +1175,7 @@ static void hci_cc_write_le_host_supported(struct hci_dev *hdev, static void hci_cs_inquiry(struct hci_dev *hdev, __u8 status) { - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); if (status) { hci_req_complete(hdev, HCI_OP_INQUIRY, status); @@ -1199,7 +1199,7 @@ static void hci_cs_create_conn(struct hci_dev *hdev, __u8 status) struct hci_cp_create_conn *cp; struct hci_conn *conn; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); cp = hci_sent_cmd_data(hdev, HCI_OP_CREATE_CONN); if (!cp) @@ -1209,7 +1209,7 @@ 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 conn %p", hdev->name, batostr(&cp->bdaddr), conn); + BT_DBG("%s bdaddr %s hcon %p", hdev->name, batostr(&cp->bdaddr), conn); if (status) { if (conn && conn->state == BT_CONNECT) { @@ -1240,7 +1240,7 @@ static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status) struct hci_conn *acl, *sco; __u16 handle; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); if (!status) return; @@ -1251,7 +1251,7 @@ static void hci_cs_add_sco(struct hci_dev *hdev, __u8 status) handle = __le16_to_cpu(cp->handle); - BT_DBG("%s handle %d", hdev->name, handle); + BT_DBG("%s handle 0x%4.4x", hdev->name, handle); hci_dev_lock(hdev); @@ -1274,7 +1274,7 @@ static void hci_cs_auth_requested(struct hci_dev *hdev, __u8 status) struct hci_cp_auth_requested *cp; struct hci_conn *conn; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); if (!status) return; @@ -1301,7 +1301,7 @@ static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status) struct hci_cp_set_conn_encrypt *cp; struct hci_conn *conn; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); if (!status) return; @@ -1413,7 +1413,7 @@ static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status) struct hci_cp_remote_name_req *cp; struct hci_conn *conn; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); /* If successful wait for the name req complete event before * checking for the need to do authentication */ @@ -1452,7 +1452,7 @@ static void hci_cs_read_remote_features(struct hci_dev *hdev, __u8 status) struct hci_cp_read_remote_features *cp; struct hci_conn *conn; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); if (!status) return; @@ -1479,7 +1479,7 @@ static void hci_cs_read_remote_ext_features(struct hci_dev *hdev, __u8 status) struct hci_cp_read_remote_ext_features *cp; struct hci_conn *conn; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); if (!status) return; @@ -1507,7 +1507,7 @@ static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status) struct hci_conn *acl, *sco; __u16 handle; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); if (!status) return; @@ -1518,7 +1518,7 @@ static void hci_cs_setup_sync_conn(struct hci_dev *hdev, __u8 status) handle = __le16_to_cpu(cp->handle); - BT_DBG("%s handle %d", hdev->name, handle); + BT_DBG("%s handle 0x%4.4x", hdev->name, handle); hci_dev_lock(hdev); @@ -1541,7 +1541,7 @@ static void hci_cs_sniff_mode(struct hci_dev *hdev, __u8 status) struct hci_cp_sniff_mode *cp; struct hci_conn *conn; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); if (!status) return; @@ -1568,7 +1568,7 @@ static void hci_cs_exit_sniff_mode(struct hci_dev *hdev, __u8 status) struct hci_cp_exit_sniff_mode *cp; struct hci_conn *conn; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); if (!status) return; @@ -1617,7 +1617,7 @@ static void hci_cs_le_create_conn(struct hci_dev *hdev, __u8 status) struct hci_cp_le_create_conn *cp; struct hci_conn *conn; - BT_DBG("%s status 0x%x", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); cp = hci_sent_cmd_data(hdev, HCI_OP_LE_CREATE_CONN); if (!cp) @@ -1655,7 +1655,7 @@ static void hci_cs_le_create_conn(struct hci_dev *hdev, __u8 status) static void hci_cs_le_start_enc(struct hci_dev *hdev, u8 status) { - BT_DBG("%s status 0x%x", hdev->name, 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) @@ -1664,7 +1664,7 @@ static void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) struct discovery_state *discov = &hdev->discovery; struct inquiry_entry *e; - BT_DBG("%s status %d", hdev->name, status); + BT_DBG("%s status 0x%2.2x", hdev->name, status); hci_req_complete(hdev, HCI_OP_INQUIRY, status); @@ -1893,7 +1893,7 @@ static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) struct hci_ev_disconn_complete *ev = (void *) skb->data; struct hci_conn *conn; - BT_DBG("%s status %d", hdev->name, ev->status); + BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); hci_dev_lock(hdev); @@ -1930,7 +1930,7 @@ static void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) struct hci_ev_auth_complete *ev = (void *) skb->data; struct hci_conn *conn; - BT_DBG("%s status %d", hdev->name, ev->status); + BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); hci_dev_lock(hdev); @@ -2035,7 +2035,7 @@ static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb) struct hci_ev_encrypt_change *ev = (void *) skb->data; struct hci_conn *conn; - BT_DBG("%s status %d", hdev->name, ev->status); + BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); hci_dev_lock(hdev); @@ -2079,7 +2079,7 @@ static void hci_change_link_key_complete_evt(struct hci_dev *hdev, struct hci_ev_change_link_key_complete *ev = (void *) skb->data; struct hci_conn *conn; - BT_DBG("%s status %d", hdev->name, ev->status); + BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); hci_dev_lock(hdev); @@ -2102,7 +2102,7 @@ static void hci_remote_features_evt(struct hci_dev *hdev, struct hci_ev_remote_features *ev = (void *) skb->data; struct hci_conn *conn; - BT_DBG("%s status %d", hdev->name, ev->status); + BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); hci_dev_lock(hdev); @@ -2364,7 +2364,7 @@ static void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *skb) break; default: - BT_DBG("%s opcode 0x%x", hdev->name, opcode); + BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode); break; } @@ -2445,7 +2445,7 @@ static void hci_cmd_status_evt(struct hci_dev *hdev, struct sk_buff *skb) break; default: - BT_DBG("%s opcode 0x%x", hdev->name, opcode); + BT_DBG("%s opcode 0x%4.4x", hdev->name, opcode); break; } @@ -2464,7 +2464,7 @@ static void hci_role_change_evt(struct hci_dev *hdev, struct sk_buff *skb) struct hci_ev_role_change *ev = (void *) skb->data; struct hci_conn *conn; - BT_DBG("%s status %d", hdev->name, ev->status); + BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); hci_dev_lock(hdev); @@ -2605,7 +2605,7 @@ static void hci_mode_change_evt(struct hci_dev *hdev, struct sk_buff *skb) struct hci_ev_mode_change *ev = (void *) skb->data; struct hci_conn *conn; - BT_DBG("%s status %d", hdev->name, ev->status); + BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); hci_dev_lock(hdev); @@ -2763,7 +2763,7 @@ static void hci_clock_offset_evt(struct hci_dev *hdev, struct sk_buff *skb) struct hci_ev_clock_offset *ev = (void *) skb->data; struct hci_conn *conn; - BT_DBG("%s status %d", hdev->name, ev->status); + BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); hci_dev_lock(hdev); @@ -2786,7 +2786,7 @@ static void hci_pkt_type_change_evt(struct hci_dev *hdev, struct sk_buff *skb) struct hci_ev_pkt_type_change *ev = (void *) skb->data; struct hci_conn *conn; - BT_DBG("%s status %d", hdev->name, ev->status); + BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); hci_dev_lock(hdev); @@ -2930,7 +2930,7 @@ static void hci_sync_conn_complete_evt(struct hci_dev *hdev, struct hci_ev_sync_conn_complete *ev = (void *) skb->data; struct hci_conn *conn; - BT_DBG("%s status %d", hdev->name, ev->status); + BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); hci_dev_lock(hdev); @@ -2989,7 +2989,7 @@ static void hci_sniff_subrate_evt(struct hci_dev *hdev, struct sk_buff *skb) { struct hci_ev_sniff_subrate *ev = (void *) skb->data; - BT_DBG("%s status %d", hdev->name, ev->status); + BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); } static void hci_extended_inquiry_result_evt(struct hci_dev *hdev, @@ -3046,7 +3046,7 @@ static void hci_key_refresh_complete_evt(struct hci_dev *hdev, struct hci_ev_key_refresh_complete *ev = (void *) skb->data; struct hci_conn *conn; - BT_DBG("%s status %u handle %u", hdev->name, ev->status, + BT_DBG("%s status 0x%2.2x handle 0x%4.4x", hdev->name, ev->status, __le16_to_cpu(ev->handle)); hci_dev_lock(hdev); @@ -3346,7 +3346,7 @@ 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; struct hci_conn *conn; - BT_DBG("%s status %d", hdev->name, ev->status); + BT_DBG("%s status 0x%2.2x", hdev->name, ev->status); hci_dev_lock(hdev); @@ -3421,7 +3421,7 @@ static void hci_le_ltk_request_evt(struct hci_dev *hdev, struct sk_buff *skb) struct hci_conn *conn; struct smp_ltk *ltk; - BT_DBG("%s handle %d", hdev->name, __le16_to_cpu(ev->handle)); + BT_DBG("%s handle 0x%4.4x", hdev->name, __le16_to_cpu(ev->handle)); hci_dev_lock(hdev); @@ -3645,7 +3645,7 @@ void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb) break; default: - BT_DBG("%s event 0x%x", hdev->name, event); + BT_DBG("%s event 0x%2.2x", hdev->name, event); break; } -- cgit v1.2.2 From a0dfe0ab6bf194805ce9d6a2dc81efab7a4a7fda Mon Sep 17 00:00:00 2001 From: Andrei Emeltchenko Date: Wed, 11 Jul 2012 14:43:35 +0300 Subject: Bluetooth: debug: Print amp_mgr refcnt Improve debug output. Signed-off-by: Andrei Emeltchenko Signed-off-by: Gustavo Padovan --- net/bluetooth/a2mp.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'net') diff --git a/net/bluetooth/a2mp.c b/net/bluetooth/a2mp.c index fb93250b393..4ff0bf3ba9a 100644 --- a/net/bluetooth/a2mp.c +++ b/net/bluetooth/a2mp.c @@ -501,7 +501,7 @@ static struct l2cap_chan *a2mp_chan_open(struct l2cap_conn *conn) /* AMP Manager functions */ void amp_mgr_get(struct amp_mgr *mgr) { - BT_DBG("mgr %p", mgr); + BT_DBG("mgr %p orig refcnt %d", mgr, atomic_read(&mgr->kref.refcount)); kref_get(&mgr->kref); } @@ -517,7 +517,7 @@ static void amp_mgr_destroy(struct kref *kref) int amp_mgr_put(struct amp_mgr *mgr) { - BT_DBG("mgr %p", mgr); + BT_DBG("mgr %p orig refcnt %d", mgr, atomic_read(&mgr->kref.refcount)); return kref_put(&mgr->kref, &_mgr_destroy); } -- cgit v1.2.2 From 7c41f3159ca4f04dfc22c791fd96d3d057dcaf90 Mon Sep 17 00:00:00 2001 From: Chun-Yeow Yeoh Date: Wed, 11 Jul 2012 16:28:21 +0800 Subject: mac80211: Fix the Problem of Unreachable Mesh STA from DS This patch fixes the problem of unreachable mesh STA from Distribution System (DS) due to the introduction of previous patch solving the mesh STA joining from one MBSS to another MBSS. Reported-by: Georgiewskiy Yuriy Signed-off-by: Chun-Yeow Yeoh Signed-off-by: John W. Linville --- net/mac80211/tx.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'net') diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 85cf32d2f7b..eab0d19eb4b 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1836,6 +1836,9 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, /* RA TA mDA mSA AE:DA SA */ mesh_da = mppath->mpp; is_mesh_mcast = 0; + } else if (mpath) { + mesh_da = mpath->dst; + is_mesh_mcast = 0; } else { /* DA TA mSA AE:SA */ mesh_da = bcast; -- cgit v1.2.2 From 84efbb84cf76238faf26facf481c8675859bfaeb Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Sat, 16 Jun 2012 00:00:26 +0200 Subject: cfg80211: use wireless_dev for interface management In order to be able to create P2P Device wdevs, move the virtual interface management over to wireless_dev structures. Signed-off-by: Johannes Berg --- net/mac80211/cfg.c | 20 ++++++++++---------- net/mac80211/ieee80211_i.h | 2 +- net/mac80211/iface.c | 6 +++--- net/wireless/nl80211.c | 26 +++++++++++++++++--------- 4 files changed, 31 insertions(+), 23 deletions(-) (limited to 'net') diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 7d9abea37b1..a752c7341d6 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -20,31 +20,31 @@ #include "rate.h" #include "mesh.h" -static struct net_device *ieee80211_add_iface(struct wiphy *wiphy, char *name, - enum nl80211_iftype type, - u32 *flags, - struct vif_params *params) +static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy, char *name, + enum nl80211_iftype type, + u32 *flags, + struct vif_params *params) { struct ieee80211_local *local = wiphy_priv(wiphy); - struct net_device *dev; + struct wireless_dev *wdev; struct ieee80211_sub_if_data *sdata; int err; - err = ieee80211_if_add(local, name, &dev, type, params); + err = ieee80211_if_add(local, name, &wdev, type, params); if (err) return ERR_PTR(err); if (type == NL80211_IFTYPE_MONITOR && flags) { - sdata = IEEE80211_DEV_TO_SUB_IF(dev); + sdata = IEEE80211_WDEV_TO_SUB_IF(wdev); sdata->u.mntr_flags = *flags; } - return dev; + return wdev; } -static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev) +static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev) { - ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev)); + ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev)); return 0; } diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 8f8535ee599..c3241c3ec6d 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -1284,7 +1284,7 @@ void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc); int ieee80211_iface_init(void); void ieee80211_iface_exit(void); int ieee80211_if_add(struct ieee80211_local *local, const char *name, - struct net_device **new_dev, enum nl80211_iftype type, + struct wireless_dev **new_wdev, enum nl80211_iftype type, struct vif_params *params); int ieee80211_if_change_type(struct ieee80211_sub_if_data *sdata, enum nl80211_iftype type); diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index fbef7a1ada7..b1edf60fbba 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -1373,7 +1373,7 @@ static void ieee80211_assign_perm_addr(struct ieee80211_local *local, } int ieee80211_if_add(struct ieee80211_local *local, const char *name, - struct net_device **new_dev, enum nl80211_iftype type, + struct wireless_dev **new_wdev, enum nl80211_iftype type, struct vif_params *params) { struct net_device *ndev; @@ -1463,8 +1463,8 @@ int ieee80211_if_add(struct ieee80211_local *local, const char *name, list_add_tail_rcu(&sdata->list, &local->interfaces); mutex_unlock(&local->iflist_mtx); - if (new_dev) - *new_dev = ndev; + if (new_wdev) + *new_wdev = &sdata->wdev; return 0; diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 0dc3356eea4..789d0c7b287 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -1971,7 +1971,7 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) { struct cfg80211_registered_device *rdev = info->user_ptr[0]; struct vif_params params; - struct net_device *dev; + struct wireless_dev *wdev; int err; enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED; u32 flags; @@ -2001,16 +2001,14 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL, &flags); - dev = rdev->ops->add_virtual_intf(&rdev->wiphy, + wdev = rdev->ops->add_virtual_intf(&rdev->wiphy, nla_data(info->attrs[NL80211_ATTR_IFNAME]), type, err ? NULL : &flags, ¶ms); - if (IS_ERR(dev)) - return PTR_ERR(dev); + if (IS_ERR(wdev)) + return PTR_ERR(wdev); if (type == NL80211_IFTYPE_MESH_POINT && info->attrs[NL80211_ATTR_MESH_ID]) { - struct wireless_dev *wdev = dev->ieee80211_ptr; - wdev_lock(wdev); BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != IEEE80211_MAX_MESH_ID_LEN); @@ -2027,12 +2025,22 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) static int nl80211_del_interface(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 wireless_dev *wdev = info->user_ptr[1]; if (!rdev->ops->del_virtual_intf) return -EOPNOTSUPP; - return rdev->ops->del_virtual_intf(&rdev->wiphy, dev); + /* + * If we remove a wireless device without a netdev then clear + * user_ptr[1] so that nl80211_post_doit won't dereference it + * to check if it needs to do dev_put(). Otherwise it crashes + * since the wdev has been freed, unlike with a netdev where + * we need the dev_put() for the netdev to really be freed. + */ + if (!wdev->netdev) + info->user_ptr[1] = NULL; + + return rdev->ops->del_virtual_intf(&rdev->wiphy, wdev); } static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info) @@ -6874,7 +6882,7 @@ static struct genl_ops nl80211_ops[] = { .doit = nl80211_del_interface, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV | + .internal_flags = NL80211_FLAG_NEED_WDEV | NL80211_FLAG_NEED_RTNL, }, { -- cgit v1.2.2 From 1c90f9d404a45a1677c1e5791f5a2a8aaee0370a Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Sat, 16 Jun 2012 00:05:37 +0200 Subject: nl80211: send interface after creation After a new virtual interface is created, reply to userspace with a message detailing it so it knows the new wdev identifier. Signed-off-by: Johannes Berg --- net/wireless/nl80211.c | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-) (limited to 'net') diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 789d0c7b287..6a9a1d7f51d 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -1972,6 +1972,7 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) struct cfg80211_registered_device *rdev = info->user_ptr[0]; struct vif_params params; struct wireless_dev *wdev; + struct sk_buff *msg; int err; enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED; u32 flags; @@ -1998,14 +1999,20 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) return err; } + msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); + if (!msg) + return -ENOMEM; + err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ? info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL, &flags); wdev = rdev->ops->add_virtual_intf(&rdev->wiphy, nla_data(info->attrs[NL80211_ATTR_IFNAME]), type, err ? NULL : &flags, ¶ms); - if (IS_ERR(wdev)) + if (IS_ERR(wdev)) { + nlmsg_free(msg); return PTR_ERR(wdev); + } if (type == NL80211_IFTYPE_MESH_POINT && info->attrs[NL80211_ATTR_MESH_ID]) { @@ -2019,7 +2026,13 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) wdev_unlock(wdev); } - return 0; + if (nl80211_send_iface(msg, info->snd_pid, info->snd_seq, 0, + rdev, wdev) < 0) { + nlmsg_free(msg); + return -ENOBUFS; + } + + return genlmsg_reply(msg, info); } static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info) -- cgit v1.2.2 From fd0142844efa85d89017c89227a0f03de1eee327 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Mon, 18 Jun 2012 19:17:03 +0200 Subject: nl80211: move scan API to wdev The new P2P Device will have to be able to scan for P2P search, so move scanning to use struct wireless_dev instead of struct net_device. Signed-off-by: Johannes Berg --- net/mac80211/cfg.c | 5 +++-- net/wireless/core.c | 2 +- net/wireless/nl80211.c | 31 +++++++++++++++++-------------- net/wireless/nl80211.h | 6 +++--- net/wireless/scan.c | 24 +++++++++++++----------- net/wireless/sme.c | 6 +++--- 6 files changed, 40 insertions(+), 34 deletions(-) (limited to 'net') diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index a752c7341d6..cfdc03f59e2 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -1763,10 +1763,11 @@ static int ieee80211_resume(struct wiphy *wiphy) #endif static int ieee80211_scan(struct wiphy *wiphy, - struct net_device *dev, struct cfg80211_scan_request *req) { - struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_sub_if_data *sdata; + + sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev); switch (ieee80211_vif_type_p2p(&sdata->vif)) { case NL80211_IFTYPE_STATION: diff --git a/net/wireless/core.c b/net/wireless/core.c index 2781a411cec..0557bb15902 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -708,7 +708,7 @@ static void wdev_cleanup_work(struct work_struct *work) cfg80211_lock_rdev(rdev); - if (WARN_ON(rdev->scan_req && rdev->scan_req->dev == wdev->netdev)) { + if (WARN_ON(rdev->scan_req && rdev->scan_req->wdev == wdev)) { rdev->scan_req->aborted = true; ___cfg80211_scan_done(rdev, true); } diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 6a9a1d7f51d..6472c7f928d 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -4130,7 +4130,7 @@ static int validate_scan_freqs(struct nlattr *freqs) static int nl80211_trigger_scan(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 wireless_dev *wdev = info->user_ptr[1]; struct cfg80211_scan_request *request; struct nlattr *attr; struct wiphy *wiphy; @@ -4290,15 +4290,16 @@ static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) request->no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); - request->dev = dev; + request->wdev = wdev; request->wiphy = &rdev->wiphy; rdev->scan_req = request; - err = rdev->ops->scan(&rdev->wiphy, dev, request); + err = rdev->ops->scan(&rdev->wiphy, request); if (!err) { - nl80211_send_scan_start(rdev, dev); - dev_hold(dev); + nl80211_send_scan_start(rdev, wdev); + if (wdev->netdev) + dev_hold(wdev->netdev); } else { out_free: rdev->scan_req = NULL; @@ -7066,7 +7067,7 @@ static struct genl_ops nl80211_ops[] = { .doit = nl80211_trigger_scan, .policy = nl80211_policy, .flags = GENL_ADMIN_PERM, - .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | + .internal_flags = NL80211_FLAG_NEED_WDEV_UP | NL80211_FLAG_NEED_RTNL, }, { @@ -7458,7 +7459,7 @@ static int nl80211_add_scan_req(struct sk_buff *msg, static int nl80211_send_scan_msg(struct sk_buff *msg, struct cfg80211_registered_device *rdev, - struct net_device *netdev, + struct wireless_dev *wdev, u32 pid, u32 seq, int flags, u32 cmd) { @@ -7469,7 +7470,9 @@ static int nl80211_send_scan_msg(struct sk_buff *msg, return -1; if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || - nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) + (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, + wdev->netdev->ifindex)) || + nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev))) goto nla_put_failure; /* ignore errors and send incomplete event anyway */ @@ -7506,7 +7509,7 @@ nl80211_send_sched_scan_msg(struct sk_buff *msg, } void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, - struct net_device *netdev) + struct wireless_dev *wdev) { struct sk_buff *msg; @@ -7514,7 +7517,7 @@ void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, if (!msg) return; - if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0, + if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, NL80211_CMD_TRIGGER_SCAN) < 0) { nlmsg_free(msg); return; @@ -7525,7 +7528,7 @@ void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, } void nl80211_send_scan_done(struct cfg80211_registered_device *rdev, - struct net_device *netdev) + struct wireless_dev *wdev) { struct sk_buff *msg; @@ -7533,7 +7536,7 @@ void nl80211_send_scan_done(struct cfg80211_registered_device *rdev, if (!msg) return; - if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0, + if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, NL80211_CMD_NEW_SCAN_RESULTS) < 0) { nlmsg_free(msg); return; @@ -7544,7 +7547,7 @@ void nl80211_send_scan_done(struct cfg80211_registered_device *rdev, } void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev, - struct net_device *netdev) + struct wireless_dev *wdev) { struct sk_buff *msg; @@ -7552,7 +7555,7 @@ void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev, if (!msg) return; - if (nl80211_send_scan_msg(msg, rdev, netdev, 0, 0, 0, + if (nl80211_send_scan_msg(msg, rdev, wdev, 0, 0, 0, NL80211_CMD_SCAN_ABORTED) < 0) { nlmsg_free(msg); return; diff --git a/net/wireless/nl80211.h b/net/wireless/nl80211.h index 0469303b5c3..89ce99675e6 100644 --- a/net/wireless/nl80211.h +++ b/net/wireless/nl80211.h @@ -7,11 +7,11 @@ int nl80211_init(void); void nl80211_exit(void); void nl80211_notify_dev_rename(struct cfg80211_registered_device *rdev); void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, - struct net_device *netdev); + struct wireless_dev *wdev); void nl80211_send_scan_done(struct cfg80211_registered_device *rdev, - struct net_device *netdev); + struct wireless_dev *wdev); void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev, - struct net_device *netdev); + struct wireless_dev *wdev); void nl80211_send_sched_scan(struct cfg80211_registered_device *rdev, struct net_device *netdev, u32 cmd); void nl80211_send_sched_scan_results(struct cfg80211_registered_device *rdev, diff --git a/net/wireless/scan.c b/net/wireless/scan.c index af2b1caa37f..848523a2b22 100644 --- a/net/wireless/scan.c +++ b/net/wireless/scan.c @@ -23,7 +23,7 @@ void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, bool leak) { struct cfg80211_scan_request *request; - struct net_device *dev; + struct wireless_dev *wdev; #ifdef CONFIG_CFG80211_WEXT union iwreq_data wrqu; #endif @@ -35,29 +35,31 @@ void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, bool leak) if (!request) return; - dev = request->dev; + wdev = request->wdev; /* * This must be before sending the other events! * Otherwise, wpa_supplicant gets completely confused with * wext events. */ - cfg80211_sme_scan_done(dev); + if (wdev->netdev) + cfg80211_sme_scan_done(wdev->netdev); if (request->aborted) - nl80211_send_scan_aborted(rdev, dev); + nl80211_send_scan_aborted(rdev, wdev); else - nl80211_send_scan_done(rdev, dev); + nl80211_send_scan_done(rdev, wdev); #ifdef CONFIG_CFG80211_WEXT - if (!request->aborted) { + if (wdev->netdev && !request->aborted) { memset(&wrqu, 0, sizeof(wrqu)); - wireless_send_event(dev, SIOCGIWSCAN, &wrqu, NULL); + wireless_send_event(wdev->netdev, SIOCGIWSCAN, &wrqu, NULL); } #endif - dev_put(dev); + if (wdev->netdev) + dev_put(wdev->netdev); rdev->scan_req = NULL; @@ -955,7 +957,7 @@ int cfg80211_wext_siwscan(struct net_device *dev, } creq->wiphy = wiphy; - creq->dev = dev; + creq->wdev = dev->ieee80211_ptr; /* SSIDs come after channels */ creq->ssids = (void *)&creq->channels[n_channels]; creq->n_channels = n_channels; @@ -1024,12 +1026,12 @@ int cfg80211_wext_siwscan(struct net_device *dev, creq->rates[i] = (1 << wiphy->bands[i]->n_bitrates) - 1; rdev->scan_req = creq; - err = rdev->ops->scan(wiphy, dev, creq); + err = rdev->ops->scan(wiphy, creq); if (err) { rdev->scan_req = NULL; /* creq will be freed below */ } else { - nl80211_send_scan_start(rdev, dev); + nl80211_send_scan_start(rdev, dev->ieee80211_ptr); /* creq now owned by driver */ creq = NULL; dev_hold(dev); diff --git a/net/wireless/sme.c b/net/wireless/sme.c index dec97981e68..6f39cb80830 100644 --- a/net/wireless/sme.c +++ b/net/wireless/sme.c @@ -136,15 +136,15 @@ static int cfg80211_conn_scan(struct wireless_dev *wdev) wdev->conn->params.ssid_len); request->ssids[0].ssid_len = wdev->conn->params.ssid_len; - request->dev = wdev->netdev; + request->wdev = wdev; request->wiphy = &rdev->wiphy; rdev->scan_req = request; - err = rdev->ops->scan(wdev->wiphy, wdev->netdev, request); + err = rdev->ops->scan(wdev->wiphy, request); if (!err) { wdev->conn->state = CFG80211_CONN_SCANNING; - nl80211_send_scan_start(rdev, wdev->netdev); + nl80211_send_scan_start(rdev, wdev); dev_hold(wdev->netdev); } else { rdev->scan_req = NULL; -- cgit v1.2.2 From d811b3d5566f1441b321a1219c260124b209e0bd Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Mon, 9 Jul 2012 19:57:28 +0300 Subject: mac80211: fix invalid band deref building preq IEs The function building probe-request IEs does not validate the band is supported before dereferencing it. This can result in a panic when all bands are traversed, as done during sched-scan start. Warn when this happens and return an empty probe request. Also fix sched-scan to not waste memory on unsupported bands. Signed-off-by: Arik Nemtsov Signed-off-by: Johannes Berg --- net/mac80211/scan.c | 3 +++ net/mac80211/util.c | 2 ++ 2 files changed, 5 insertions(+) (limited to 'net') diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c index 379f178eab5..1ff04f689d1 100644 --- a/net/mac80211/scan.c +++ b/net/mac80211/scan.c @@ -928,6 +928,9 @@ int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, } for (i = 0; i < IEEE80211_NUM_BANDS; i++) { + if (!local->hw.wiphy->bands[i]) + continue; + local->sched_scan_ies.ie[i] = kzalloc(2 + IEEE80211_MAX_SSID_LEN + local->scan_ies_len + diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 64493a7bef1..596db0c2a11 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -999,6 +999,8 @@ int ieee80211_build_preq_ies(struct ieee80211_local *local, u8 *buffer, int ext_rates_len; sband = local->hw.wiphy->bands[band]; + if (WARN_ON_ONCE(!sband)) + return 0; pos = buffer; -- cgit v1.2.2 From e2fd5dbc1c7031be5b5de043bcc0a18c7a59a68a Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Fri, 6 Jul 2012 21:39:28 +0200 Subject: mac80211: make scan_sdata pointer usable with RCU Making the scan_sdata pointer usable with RCU makes it possible to dereference it in the RX path to see if a received frame actually matches the interface that is scanning. This is just preparations, making the pointer __rcu. Signed-off-by: Johannes Berg --- net/mac80211/ieee80211_i.h | 2 +- net/mac80211/iface.c | 9 +++++---- net/mac80211/scan.c | 33 ++++++++++++++++++++++++--------- 3 files changed, 30 insertions(+), 14 deletions(-) (limited to 'net') diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index c3241c3ec6d..9f2534a4124 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -972,7 +972,7 @@ struct ieee80211_local { unsigned long leave_oper_channel_time; enum mac80211_scan_state next_scan_state; struct delayed_work scan_work; - struct ieee80211_sub_if_data *scan_sdata; + struct ieee80211_sub_if_data __rcu *scan_sdata; enum nl80211_channel_type _oper_channel_type; struct ieee80211_channel *oper_channel, *csa_channel; diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index b1edf60fbba..e3c49748ce8 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -112,10 +112,11 @@ static u32 __ieee80211_recalc_idle(struct ieee80211_local *local) } } - if (local->scan_sdata && - !(local->hw.flags & IEEE80211_HW_SCAN_WHILE_IDLE)) { + sdata = rcu_dereference_protected(local->scan_sdata, + lockdep_is_held(&local->mtx)); + if (sdata && !(local->hw.flags & IEEE80211_HW_SCAN_WHILE_IDLE)) { scanning = true; - local->scan_sdata->vif.bss_conf.idle = false; + sdata->vif.bss_conf.idle = false; } list_for_each_entry(sdata, &local->interfaces, list) { @@ -628,7 +629,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, clear_bit(SDATA_STATE_RUNNING, &sdata->state); - if (local->scan_sdata == sdata) + if (rcu_access_pointer(local->scan_sdata) == sdata) ieee80211_scan_cancel(local); /* diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c index 1ff04f689d1..704dcf84776 100644 --- a/net/mac80211/scan.c +++ b/net/mac80211/scan.c @@ -293,7 +293,13 @@ static void __ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted, return; if (was_hw_scan && !aborted && ieee80211_prep_hw_scan(local)) { - int rc = drv_hw_scan(local, local->scan_sdata, local->hw_scan_req); + int rc; + + rc = drv_hw_scan(local, + rcu_dereference_protected(local->scan_sdata, + lockdep_is_held(&local->mtx)), + local->hw_scan_req); + if (rc == 0) return; } @@ -394,7 +400,10 @@ void ieee80211_run_deferred_scan(struct ieee80211_local *local) if (!local->scan_req || local->scanning) return; - if (!ieee80211_can_scan(local, local->scan_sdata)) + if (!ieee80211_can_scan(local, + rcu_dereference_protected( + local->scan_sdata, + lockdep_is_held(&local->mtx)))) return; ieee80211_queue_delayed_work(&local->hw, &local->scan_work, @@ -405,9 +414,12 @@ static void ieee80211_scan_state_send_probe(struct ieee80211_local *local, unsigned long *next_delay) { int i; - struct ieee80211_sub_if_data *sdata = local->scan_sdata; + struct ieee80211_sub_if_data *sdata; enum ieee80211_band band = local->hw.conf.channel->band; + sdata = rcu_dereference_protected(local->scan_sdata, + lockdep_is_held(&local->mtx));; + for (i = 0; i < local->scan_req->n_ssids; i++) ieee80211_send_probe_req( sdata, NULL, @@ -439,7 +451,7 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata, if (!ieee80211_can_scan(local, sdata)) { /* wait for the work to finish/time out */ local->scan_req = req; - local->scan_sdata = sdata; + rcu_assign_pointer(local->scan_sdata, sdata); return 0; } @@ -473,7 +485,7 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata, } local->scan_req = req; - local->scan_sdata = sdata; + rcu_assign_pointer(local->scan_sdata, sdata); if (local->ops->hw_scan) { __set_bit(SCAN_HW_SCANNING, &local->scanning); @@ -533,7 +545,7 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata, ieee80211_recalc_idle(local); local->scan_req = NULL; - local->scan_sdata = NULL; + rcu_assign_pointer(local->scan_sdata, NULL); } return rc; @@ -720,7 +732,8 @@ void ieee80211_scan_work(struct work_struct *work) mutex_lock(&local->mtx); - sdata = local->scan_sdata; + sdata = rcu_dereference_protected(local->scan_sdata, + lockdep_is_held(&local->mtx)); /* When scanning on-channel, the first-callback means completed. */ if (test_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning)) { @@ -741,7 +754,7 @@ void ieee80211_scan_work(struct work_struct *work) int rc; local->scan_req = NULL; - local->scan_sdata = NULL; + rcu_assign_pointer(local->scan_sdata, NULL); rc = __ieee80211_start_scan(sdata, req); if (rc) { @@ -893,7 +906,9 @@ void ieee80211_scan_cancel(struct ieee80211_local *local) if (test_bit(SCAN_HW_SCANNING, &local->scanning)) { if (local->ops->cancel_hw_scan) - drv_cancel_hw_scan(local, local->scan_sdata); + drv_cancel_hw_scan(local, + rcu_dereference_protected(local->scan_sdata, + lockdep_is_held(&local->mtx))); goto out; } -- cgit v1.2.2 From 5260a5b2c3524f198ea062fe0a6a4faa724e6a9d Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Fri, 6 Jul 2012 21:55:11 +0200 Subject: mac80211: track scheduled scan virtual interface Instead of tracking whether or not we're in a scheduled scan, track the virtual interface (sdata) in an RCU-protected pointer to make it usable from RX to check the MAC address. Signed-off-by: Johannes Berg --- net/mac80211/ieee80211_i.h | 2 +- net/mac80211/main.c | 3 ++- net/mac80211/rx.c | 4 ++-- net/mac80211/scan.c | 20 ++++++++++---------- 4 files changed, 15 insertions(+), 14 deletions(-) (limited to 'net') diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 9f2534a4124..e973a8f96c9 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -965,9 +965,9 @@ struct ieee80211_local { int scan_channel_idx; int scan_ies_len; - bool sched_scanning; struct ieee80211_sched_scan_ies sched_scan_ies; struct work_struct sched_scan_stopped_work; + struct ieee80211_sub_if_data __rcu *sched_scan_sdata; unsigned long leave_oper_channel_time; enum mac80211_scan_state next_scan_state; diff --git a/net/mac80211/main.c b/net/mac80211/main.c index c794101f898..c26e231c733 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -322,7 +322,8 @@ static void ieee80211_restart_work(struct work_struct *work) mutex_lock(&local->mtx); WARN(test_bit(SCAN_HW_SCANNING, &local->scanning) || - local->sched_scanning, + rcu_dereference_protected(local->sched_scan_sdata, + lockdep_is_held(&local->mtx)), "%s called with hardware scan in progress\n", __func__); mutex_unlock(&local->mtx); diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index f8cf9e7477a..17a56151be7 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -421,13 +421,13 @@ ieee80211_rx_h_passive_scan(struct ieee80211_rx_data *rx) struct sk_buff *skb = rx->skb; if (likely(!(status->rx_flags & IEEE80211_RX_IN_SCAN) && - !local->sched_scanning)) + !rcu_access_pointer(local->sched_scan_sdata))) return RX_CONTINUE; if (test_bit(SCAN_HW_SCANNING, &local->scanning) || test_bit(SCAN_SW_SCANNING, &local->scanning) || test_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning) || - local->sched_scanning) + rcu_access_pointer(local->sched_scan_sdata)) return ieee80211_scan_rx(rx->sdata, skb); /* scanning finished during invoking of handlers */ diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c index 704dcf84776..a619c1ea9bd 100644 --- a/net/mac80211/scan.c +++ b/net/mac80211/scan.c @@ -930,9 +930,9 @@ int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, struct ieee80211_local *local = sdata->local; int ret, i; - mutex_lock(&sdata->local->mtx); + mutex_lock(&local->mtx); - if (local->sched_scanning) { + if (rcu_access_pointer(local->sched_scan_sdata)) { ret = -EBUSY; goto out; } @@ -966,7 +966,7 @@ int ieee80211_request_sched_scan_start(struct ieee80211_sub_if_data *sdata, ret = drv_sched_scan_start(local, sdata, req, &local->sched_scan_ies); if (ret == 0) { - local->sched_scanning = true; + rcu_assign_pointer(local->sched_scan_sdata, sdata); goto out; } @@ -974,7 +974,7 @@ out_free: while (i > 0) kfree(local->sched_scan_ies.ie[--i]); out: - mutex_unlock(&sdata->local->mtx); + mutex_unlock(&local->mtx); return ret; } @@ -983,22 +983,22 @@ int ieee80211_request_sched_scan_stop(struct ieee80211_sub_if_data *sdata) struct ieee80211_local *local = sdata->local; int ret = 0, i; - mutex_lock(&sdata->local->mtx); + mutex_lock(&local->mtx); if (!local->ops->sched_scan_stop) { ret = -ENOTSUPP; goto out; } - if (local->sched_scanning) { + if (rcu_access_pointer(local->sched_scan_sdata)) { for (i = 0; i < IEEE80211_NUM_BANDS; i++) kfree(local->sched_scan_ies.ie[i]); drv_sched_scan_stop(local, sdata); - local->sched_scanning = false; + rcu_assign_pointer(local->sched_scan_sdata, NULL); } out: - mutex_unlock(&sdata->local->mtx); + mutex_unlock(&local->mtx); return ret; } @@ -1022,7 +1022,7 @@ void ieee80211_sched_scan_stopped_work(struct work_struct *work) mutex_lock(&local->mtx); - if (!local->sched_scanning) { + if (!rcu_access_pointer(local->sched_scan_sdata)) { mutex_unlock(&local->mtx); return; } @@ -1030,7 +1030,7 @@ void ieee80211_sched_scan_stopped_work(struct work_struct *work) for (i = 0; i < IEEE80211_NUM_BANDS; i++) kfree(local->sched_scan_ies.ie[i]); - local->sched_scanning = false; + rcu_assign_pointer(local->sched_scan_sdata, NULL); mutex_unlock(&local->mtx); -- cgit v1.2.2 From d48b296850f25cb559cb9b907d6d8c09eca3e89d Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Fri, 6 Jul 2012 22:19:27 +0200 Subject: mac80211: redesign scan RX Scan receive is rather inefficient when there are multiple virtual interfaces. We iterate all of the virtual interfaces and then notify cfg80211 about each beacon many times. Redesign scan RX to happen before everything else. Then we can also get rid of IEEE80211_RX_IN_SCAN since we don't have to accept frames into the RX handlers for scanning or scheduled scanning any more. Overall, this simplifies the code. Signed-off-by: Johannes Berg --- net/mac80211/debugfs.c | 2 -- net/mac80211/ieee80211_i.h | 6 +---- net/mac80211/rx.c | 47 +++++++------------------------------- net/mac80211/scan.c | 57 +++++++++++++++++++--------------------------- 4 files changed, 32 insertions(+), 80 deletions(-) (limited to 'net') diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c index 778e5916d7c..b8dfb440c8e 100644 --- a/net/mac80211/debugfs.c +++ b/net/mac80211/debugfs.c @@ -325,8 +325,6 @@ void debugfs_hw_add(struct ieee80211_local *local) local->rx_handlers_drop_defrag); DEBUGFS_STATS_ADD(rx_handlers_drop_short, local->rx_handlers_drop_short); - DEBUGFS_STATS_ADD(rx_handlers_drop_passive_scan, - local->rx_handlers_drop_passive_scan); DEBUGFS_STATS_ADD(tx_expand_skb_head, local->tx_expand_skb_head); DEBUGFS_STATS_ADD(tx_expand_skb_head_cloned, diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index e973a8f96c9..2a97d668d2d 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -207,7 +207,6 @@ typedef unsigned __bitwise__ ieee80211_rx_result; * enum ieee80211_packet_rx_flags - packet RX flags * @IEEE80211_RX_RA_MATCH: frame is destined to interface currently processed * (incl. multicast frames) - * @IEEE80211_RX_IN_SCAN: received while scanning * @IEEE80211_RX_FRAGMENTED: fragmented frame * @IEEE80211_RX_AMSDU: a-MSDU packet * @IEEE80211_RX_MALFORMED_ACTION_FRM: action frame is malformed @@ -217,7 +216,6 @@ typedef unsigned __bitwise__ ieee80211_rx_result; * @rx_flags field of &struct ieee80211_rx_status. */ enum ieee80211_packet_rx_flags { - IEEE80211_RX_IN_SCAN = BIT(0), IEEE80211_RX_RA_MATCH = BIT(1), IEEE80211_RX_FRAGMENTED = BIT(2), IEEE80211_RX_AMSDU = BIT(3), @@ -1014,7 +1012,6 @@ struct ieee80211_local { unsigned int rx_handlers_drop_nullfunc; unsigned int rx_handlers_drop_defrag; unsigned int rx_handlers_drop_short; - unsigned int rx_handlers_drop_passive_scan; unsigned int tx_expand_skb_head; unsigned int tx_expand_skb_head_cloned; unsigned int rx_expand_skb_head; @@ -1247,8 +1244,7 @@ int ieee80211_request_scan(struct ieee80211_sub_if_data *sdata, struct cfg80211_scan_request *req); void ieee80211_scan_cancel(struct ieee80211_local *local); void ieee80211_run_deferred_scan(struct ieee80211_local *local); -ieee80211_rx_result -ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb); +void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb); void ieee80211_mlme_notify_scan_completed(struct ieee80211_local *local); struct ieee80211_bss * diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c index 17a56151be7..1d7a58098e3 100644 --- a/net/mac80211/rx.c +++ b/net/mac80211/rx.c @@ -413,29 +413,6 @@ static void ieee80211_verify_alignment(struct ieee80211_rx_data *rx) /* rx handlers */ -static ieee80211_rx_result debug_noinline -ieee80211_rx_h_passive_scan(struct ieee80211_rx_data *rx) -{ - struct ieee80211_local *local = rx->local; - struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(rx->skb); - struct sk_buff *skb = rx->skb; - - if (likely(!(status->rx_flags & IEEE80211_RX_IN_SCAN) && - !rcu_access_pointer(local->sched_scan_sdata))) - return RX_CONTINUE; - - if (test_bit(SCAN_HW_SCANNING, &local->scanning) || - test_bit(SCAN_SW_SCANNING, &local->scanning) || - test_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning) || - rcu_access_pointer(local->sched_scan_sdata)) - return ieee80211_scan_rx(rx->sdata, skb); - - /* scanning finished during invoking of handlers */ - I802_DEBUG_INC(local->rx_handlers_drop_passive_scan); - return RX_DROP_UNUSABLE; -} - - static int ieee80211_is_unicast_robust_mgmt_frame(struct sk_buff *skb) { struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; @@ -2692,7 +2669,6 @@ static void ieee80211_invoke_rx_handlers(struct ieee80211_rx_data *rx) goto rxh_next; \ } while (0); - CALL_RXH(ieee80211_rx_h_passive_scan) CALL_RXH(ieee80211_rx_h_check) ieee80211_rx_reorder_ampdu(rx); @@ -2762,11 +2738,8 @@ static int prepare_for_handlers(struct ieee80211_rx_data *rx, return 0; if (ieee80211_is_beacon(hdr->frame_control)) { return 1; - } - else if (!ieee80211_bssid_match(bssid, sdata->u.ibss.bssid)) { - if (!(status->rx_flags & IEEE80211_RX_IN_SCAN)) - return 0; - status->rx_flags &= ~IEEE80211_RX_RA_MATCH; + } else if (!ieee80211_bssid_match(bssid, sdata->u.ibss.bssid)) { + return 0; } else if (!multicast && !ether_addr_equal(sdata->vif.addr, hdr->addr1)) { if (!(sdata->dev->flags & IFF_PROMISC)) @@ -2804,11 +2777,9 @@ static int prepare_for_handlers(struct ieee80211_rx_data *rx, * and location updates. Note that mac80211 * itself never looks at these frames. */ - if (!(status->rx_flags & IEEE80211_RX_IN_SCAN) && - ieee80211_is_public_action(hdr, skb->len)) + if (ieee80211_is_public_action(hdr, skb->len)) return 1; - if (!(status->rx_flags & IEEE80211_RX_IN_SCAN) && - !ieee80211_is_beacon(hdr->frame_control)) + if (!ieee80211_is_beacon(hdr->frame_control)) return 0; status->rx_flags &= ~IEEE80211_RX_RA_MATCH; } @@ -2874,7 +2845,6 @@ static bool ieee80211_prepare_and_rx_handle(struct ieee80211_rx_data *rx, static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw, struct sk_buff *skb) { - struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb); struct ieee80211_local *local = hw_to_local(hw); struct ieee80211_sub_if_data *sdata; struct ieee80211_hdr *hdr; @@ -2892,11 +2862,6 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw, if (ieee80211_is_data(fc) || ieee80211_is_mgmt(fc)) local->dot11ReceivedFragmentCount++; - if (unlikely(test_bit(SCAN_HW_SCANNING, &local->scanning) || - test_bit(SCAN_ONCHANNEL_SCANNING, &local->scanning) || - test_bit(SCAN_SW_SCANNING, &local->scanning))) - status->rx_flags |= IEEE80211_RX_IN_SCAN; - if (ieee80211_is_mgmt(fc)) err = skb_linearize(skb); else @@ -2911,6 +2876,10 @@ static void __ieee80211_rx_handle_packet(struct ieee80211_hw *hw, ieee80211_parse_qos(&rx); ieee80211_verify_alignment(&rx); + if (unlikely(ieee80211_is_probe_resp(hdr->frame_control) || + ieee80211_is_beacon(hdr->frame_control))) + ieee80211_scan_rx(local, skb); + if (ieee80211_is_data(fc)) { prev_sta = NULL; diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c index a619c1ea9bd..1a893f3637c 100644 --- a/net/mac80211/scan.c +++ b/net/mac80211/scan.c @@ -165,52 +165,47 @@ ieee80211_bss_info_update(struct ieee80211_local *local, return bss; } -ieee80211_rx_result -ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb) +void ieee80211_scan_rx(struct ieee80211_local *local, struct sk_buff *skb) { struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb); - struct ieee80211_mgmt *mgmt; + struct ieee80211_sub_if_data *sdata1, *sdata2; + struct ieee80211_mgmt *mgmt = (void *)skb->data; struct ieee80211_bss *bss; u8 *elements; struct ieee80211_channel *channel; size_t baselen; int freq; - __le16 fc; - bool presp, beacon = false; + bool beacon; struct ieee802_11_elems elems; - if (skb->len < 2) - return RX_DROP_UNUSABLE; - - mgmt = (struct ieee80211_mgmt *) skb->data; - fc = mgmt->frame_control; + if (skb->len < 24 || + (!ieee80211_is_probe_resp(mgmt->frame_control) && + !ieee80211_is_beacon(mgmt->frame_control))) + return; - if (ieee80211_is_ctl(fc)) - return RX_CONTINUE; + sdata1 = rcu_dereference(local->scan_sdata); + sdata2 = rcu_dereference(local->sched_scan_sdata); - if (skb->len < 24) - return RX_CONTINUE; + if (likely(!sdata1 && !sdata2)) + return; - presp = ieee80211_is_probe_resp(fc); - if (presp) { + if (ieee80211_is_probe_resp(mgmt->frame_control)) { /* ignore ProbeResp to foreign address */ - if (!ether_addr_equal(mgmt->da, sdata->vif.addr)) - return RX_DROP_MONITOR; + if ((!sdata1 || !ether_addr_equal(mgmt->da, sdata1->vif.addr)) && + (!sdata2 || !ether_addr_equal(mgmt->da, sdata2->vif.addr))) + return; - presp = true; elements = mgmt->u.probe_resp.variable; baselen = offsetof(struct ieee80211_mgmt, u.probe_resp.variable); + beacon = false; } else { - beacon = ieee80211_is_beacon(fc); baselen = offsetof(struct ieee80211_mgmt, u.beacon.variable); elements = mgmt->u.beacon.variable; + beacon = true; } - if (!presp && !beacon) - return RX_CONTINUE; - if (baselen > skb->len) - return RX_DROP_MONITOR; + return; ieee802_11_parse_elems(elements, skb->len - baselen, &elems); @@ -220,22 +215,16 @@ ieee80211_scan_rx(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb) else freq = rx_status->freq; - channel = ieee80211_get_channel(sdata->local->hw.wiphy, freq); + channel = ieee80211_get_channel(local->hw.wiphy, freq); if (!channel || channel->flags & IEEE80211_CHAN_DISABLED) - return RX_DROP_MONITOR; + return; - bss = ieee80211_bss_info_update(sdata->local, rx_status, + bss = ieee80211_bss_info_update(local, rx_status, mgmt, skb->len, &elems, channel, beacon); if (bss) - ieee80211_rx_bss_put(sdata->local, bss); - - if (channel == sdata->local->oper_channel) - return RX_CONTINUE; - - dev_kfree_skb(skb); - return RX_QUEUED; + ieee80211_rx_bss_put(local, bss); } /* return false if no more work */ -- cgit v1.2.2 From 8c358bcd097fa1f63e57fb82525ba52f4a537bfa Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Tue, 22 May 2012 22:13:05 +0200 Subject: mac80211: add time synchronisation with BSS for assoc Some drivers (iwlegacy, iwlwifi and rt2x00) today use the bss_conf.last_tsf value. By itself though that value is completely worthless since it may be ancient. What really is needed is synchronisation between some device time and the TSF. To clarify this, rename bss_conf.last_tsf to sync_tsf and add sync_device_ts which is obtained from rx_status which gets a new field device_timestamp for this purpose. This is intentionally not using the mactime field since that is used for other things and in IBSS is expected to sync with the IBSS's TSF which isn't necessarily true for the device timestamp. Also, since we have the information and it's useful even before the connection has been established, give all the timing details to the driver before authenticating. Reviewed-by: Emmanuel Grumbach Signed-off-by: Johannes Berg --- net/mac80211/ieee80211_i.h | 2 ++ net/mac80211/mlme.c | 15 ++++++++------- net/mac80211/scan.c | 3 ++- net/mac80211/trace.h | 6 ++++-- 4 files changed, 16 insertions(+), 10 deletions(-) (limited to 'net') diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 2a97d668d2d..7998513ec83 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -85,6 +85,8 @@ struct ieee80211_bss { size_t ssid_len; u8 ssid[IEEE80211_MAX_SSID_LEN]; + u32 device_ts; + u8 dtim_period; bool wmm_used; diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 4b503ce893d..4efcbf89a72 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -1269,11 +1269,6 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata, struct ieee80211_bss_conf *bss_conf = &sdata->vif.bss_conf; bss_info_changed |= BSS_CHANGED_ASSOC; - /* set timing information */ - bss_conf->beacon_int = cbss->beacon_interval; - bss_conf->last_tsf = cbss->tsf; - - bss_info_changed |= BSS_CHANGED_BEACON_INT; bss_info_changed |= ieee80211_handle_bss_capability(sdata, bss_conf->assoc_capability, bss->has_erp_value, bss->erp_value); @@ -3135,9 +3130,15 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata, memcpy(ifmgd->bssid, cbss->bssid, ETH_ALEN); - /* tell driver about BSSID and basic rates */ + /* set timing information */ + sdata->vif.bss_conf.beacon_int = cbss->beacon_interval; + sdata->vif.bss_conf.sync_tsf = cbss->tsf; + sdata->vif.bss_conf.sync_device_ts = bss->device_ts; + + /* tell driver about BSSID, basic rates and timing */ ieee80211_bss_info_change_notify(sdata, - BSS_CHANGED_BSSID | BSS_CHANGED_BASIC_RATES); + BSS_CHANGED_BSSID | BSS_CHANGED_BASIC_RATES | + BSS_CHANGED_BEACON_INT); if (assoc) sta_info_pre_move_state(sta, IEEE80211_STA_AUTH); diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c index 1a893f3637c..e80a8b644aa 100644 --- a/net/mac80211/scan.c +++ b/net/mac80211/scan.c @@ -83,13 +83,14 @@ ieee80211_bss_info_update(struct ieee80211_local *local, cbss = cfg80211_inform_bss_frame(local->hw.wiphy, channel, mgmt, len, signal, GFP_ATOMIC); - if (!cbss) return NULL; cbss->free_priv = ieee80211_rx_bss_free; bss = (void *)cbss->priv; + bss->device_ts = rx_status->device_timestamp; + if (elems->parse_error) { if (beacon) bss->corrupt_data |= IEEE80211_BSS_CORRUPT_BEACON; diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h index e1e9d10ec2e..c6d33b55b2d 100644 --- a/net/mac80211/trace.h +++ b/net/mac80211/trace.h @@ -306,7 +306,8 @@ TRACE_EVENT(drv_bss_info_changed, __field(u8, dtimper) __field(u16, bcnint) __field(u16, assoc_cap) - __field(u64, timestamp) + __field(u64, sync_tsf) + __field(u32, sync_device_ts) __field(u32, basic_rates) __field(u32, changed) __field(bool, enable_beacon) @@ -325,7 +326,8 @@ TRACE_EVENT(drv_bss_info_changed, __entry->dtimper = info->dtim_period; __entry->bcnint = info->beacon_int; __entry->assoc_cap = info->assoc_capability; - __entry->timestamp = info->last_tsf; + __entry->sync_tsf = info->sync_tsf; + __entry->sync_device_ts = info->sync_device_ts; __entry->basic_rates = info->basic_rates; __entry->enable_beacon = info->enable_beacon; __entry->ht_operation_mode = info->ht_operation_mode; -- cgit v1.2.2 From 46e6de159ddebc179cbae60fd7b728f57c39964b Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Wed, 4 Jul 2012 18:10:07 +0200 Subject: mac80211: restructure key selection The "no key" case in key selection that decides whether to drop the frame or not is impossible to understand, restructure the code. Signed-off-by: Johannes Berg [cavallar@lri.fr: removed blank line and restructured action frame clause] Signed-off-by: Nicolas Cavallari --- net/mac80211/tx.c | 22 +++++++++++++--------- 1 file changed, 13 insertions(+), 9 deletions(-) (limited to 'net') diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index c9d2175d15c..a79fd868566 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -523,7 +523,7 @@ ieee80211_tx_h_check_control_port_protocol(struct ieee80211_tx_data *tx) static ieee80211_tx_result debug_noinline ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx) { - struct ieee80211_key *key = NULL; + struct ieee80211_key *key; struct ieee80211_tx_info *info = IEEE80211_SKB_CB(tx->skb); struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)tx->skb->data; @@ -542,16 +542,20 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx) else if (!is_multicast_ether_addr(hdr->addr1) && (key = rcu_dereference(tx->sdata->default_unicast_key))) tx->key = key; - else if (tx->sdata->drop_unencrypted && - (tx->skb->protocol != tx->sdata->control_port_protocol) && - !(info->flags & IEEE80211_TX_CTL_INJECTED) && - (!ieee80211_is_robust_mgmt_frame(hdr) || - (ieee80211_is_action(hdr->frame_control) && - tx->sta && test_sta_flag(tx->sta, WLAN_STA_MFP)))) { + else if (info->flags & IEEE80211_TX_CTL_INJECTED) + tx->key = NULL; + else if (!tx->sdata->drop_unencrypted) + tx->key = NULL; + else if (tx->skb->protocol == tx->sdata->control_port_protocol) + tx->key = NULL; + else if (ieee80211_is_robust_mgmt_frame(hdr) && + !(ieee80211_is_action(hdr->frame_control) && + tx->sta && test_sta_flag(tx->sta, WLAN_STA_MFP))) + tx->key = NULL; + else { I802_DEBUG_INC(tx->local->tx_handlers_drop_unencrypted); return TX_DROP; - } else - tx->key = NULL; + } if (tx->key) { bool skip_hw = false; -- cgit v1.2.2 From 4922f71f2506e36d81a03f8fec4559bb7d175bf7 Mon Sep 17 00:00:00 2001 From: Nicolas Cavallari Date: Wed, 4 Jul 2012 18:10:08 +0200 Subject: mac80211: tx: do not drop non-robust mgmt to non-MFP stas. When drop_unencrypted is enabled and MFP is disabled, non-robust management frames for not-yet associated STA are dropped. This isn't visible as many management frames sent from the kernel have TX_INTFL_DONT_ENCRYPT set and management frames injected from a monitor vif have TX_CTL_INJECTED so aren't dropped. But management frames sent from userspace via NL80211_CMD_FRAME do not have this flag set, so are dropped. This patch make it always accept non-robust management frames. Signed-off-by: Nicolas Cavallari Signed-off-by: Johannes Berg --- net/mac80211/tx.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'net') diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index a79fd868566..b755e778b0c 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -552,6 +552,9 @@ ieee80211_tx_h_select_key(struct ieee80211_tx_data *tx) !(ieee80211_is_action(hdr->frame_control) && tx->sta && test_sta_flag(tx->sta, WLAN_STA_MFP))) tx->key = NULL; + else if (ieee80211_is_mgmt(hdr->frame_control) && + !ieee80211_is_robust_mgmt_frame(hdr)) + tx->key = NULL; else { I802_DEBUG_INC(tx->local->tx_handlers_drop_unencrypted); return TX_DROP; -- cgit v1.2.2 From 2a9e6c58871df77b69afffad250062853570ee23 Mon Sep 17 00:00:00 2001 From: Sylvain Roger Rieunier Date: Mon, 9 Jul 2012 19:25:09 +0200 Subject: minstrel_ht: enable frame aggregation for fixed rate When sample_idx is set to a value other than -1 it activates the IEEE80211_TX_CTL_RATE_CTRL_PROBE flag which disables frame aggregation. To allow frame aggregation during fixed rate it is necessary to set max_tp_rate, max_tp_rate2 and max_prob_rate instead of sample_idx. Signed-off-by: Sylvain Roger Rieunier [reword commit message a bit] Signed-off-by: Johannes Berg --- net/mac80211/rc80211_minstrel_ht.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'net') diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c index 2d1acc6c544..ee748183b92 100644 --- a/net/mac80211/rc80211_minstrel_ht.c +++ b/net/mac80211/rc80211_minstrel_ht.c @@ -626,8 +626,12 @@ minstrel_ht_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta, #ifdef CONFIG_MAC80211_DEBUGFS /* use fixed index if set */ - if (mp->fixed_rate_idx != -1) - sample_idx = mp->fixed_rate_idx; + if (mp->fixed_rate_idx != -1) { + mi->max_tp_rate = mp->fixed_rate_idx; + mi->max_tp_rate2 = mp->fixed_rate_idx; + mi->max_prob_rate = mp->fixed_rate_idx; + sample_idx = -1; + } #endif if (sample_idx >= 0) { -- cgit v1.2.2 From 8e95ea49c94908cb10e698c5637d57f0fbdc796d Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Tue, 10 Jul 2012 19:39:02 +0200 Subject: cfg80211: fix locking and lockdep complaints To call cfg80211_get_chan_state() we need to lock the wdev, so we need to lock the wdev_iter mutex in cfg80211_can_use_iftype_chan(). This needs to use nested locking for lockdep. Also, cfg80211_get_chan_state() doesn't actually use the rdev, so remove that completely including the lock assertion that isn't needed. Reported-by: Eliad Peller Signed-off-by: Johannes Berg --- net/wireless/chan.c | 4 +--- net/wireless/core.h | 3 +-- net/wireless/util.c | 11 ++++++++++- 3 files changed, 12 insertions(+), 6 deletions(-) (limited to 'net') diff --git a/net/wireless/chan.c b/net/wireless/chan.c index 434c56b92c3..1cc4b7cc737 100644 --- a/net/wireless/chan.c +++ b/net/wireless/chan.c @@ -103,15 +103,13 @@ int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev, } void -cfg80211_get_chan_state(struct cfg80211_registered_device *rdev, - struct wireless_dev *wdev, +cfg80211_get_chan_state(struct wireless_dev *wdev, struct ieee80211_channel **chan, enum cfg80211_chan_mode *chanmode) { *chan = NULL; *chanmode = CHAN_MODE_UNDEFINED; - ASSERT_RDEV_LOCK(rdev); ASSERT_WDEV_LOCK(wdev); if (!netif_running(wdev->netdev)) diff --git a/net/wireless/core.h b/net/wireless/core.h index eae5a25a169..bac97da751d 100644 --- a/net/wireless/core.h +++ b/net/wireless/core.h @@ -463,8 +463,7 @@ cfg80211_can_use_chan(struct cfg80211_registered_device *rdev, } void -cfg80211_get_chan_state(struct cfg80211_registered_device *rdev, - struct wireless_dev *wdev, +cfg80211_get_chan_state(struct wireless_dev *wdev, struct ieee80211_channel **chan, enum cfg80211_chan_mode *chanmode); diff --git a/net/wireless/util.c b/net/wireless/util.c index f7a0647bde9..26f8cd30f71 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -1059,7 +1059,16 @@ int cfg80211_can_use_iftype_chan(struct cfg80211_registered_device *rdev, if (rdev->wiphy.software_iftypes & BIT(wdev_iter->iftype)) continue; - cfg80211_get_chan_state(rdev, wdev_iter, &ch, &chmode); + /* + * We may be holding the "wdev" mutex, but now need to lock + * wdev_iter. This is OK because once we get here wdev_iter + * is not wdev (tested above), but we need to use the nested + * locking for lockdep. + */ + mutex_lock_nested(&wdev_iter->mtx, 1); + __acquire(wdev_iter->mtx); + cfg80211_get_chan_state(wdev_iter, &ch, &chmode); + wdev_unlock(wdev_iter); switch (chmode) { case CHAN_MODE_UNDEFINED: -- cgit v1.2.2 From 685fb72b63faf09a767cc28332545f5830b91be8 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Wed, 11 Jul 2012 16:38:09 +0200 Subject: mac80211: iterate the virtual monitor interface If the virtual monitor interface is requested by the driver, it should also be iterated over when the driver wants to iterate all active interfaces. To allow that protect it with the iflist_mtx. Change-Id: I58ac5de2f4ce93d12c5a98ecd2859f60158d5d69 Signed-off-by: Johannes Berg --- net/mac80211/iface.c | 29 +++++++++++++++++++---------- net/mac80211/util.c | 9 +++++++++ 2 files changed, 28 insertions(+), 10 deletions(-) (limited to 'net') diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index e3c49748ce8..334ee0fb18c 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -334,17 +334,21 @@ static void ieee80211_set_default_queues(struct ieee80211_sub_if_data *sdata) int ieee80211_add_virtual_monitor(struct ieee80211_local *local) { struct ieee80211_sub_if_data *sdata; - int ret; + int ret = 0; if (!(local->hw.flags & IEEE80211_HW_WANT_MONITOR_VIF)) return 0; + mutex_lock(&local->iflist_mtx); + if (local->monitor_sdata) - return 0; + goto out_unlock; sdata = kzalloc(sizeof(*sdata) + local->hw.vif_data_size, GFP_KERNEL); - if (!sdata) - return -ENOMEM; + if (!sdata) { + ret = -ENOMEM; + goto out_unlock; + } /* set up data */ sdata->local = local; @@ -358,18 +362,19 @@ int ieee80211_add_virtual_monitor(struct ieee80211_local *local) if (WARN_ON(ret)) { /* ok .. stupid driver, it asked for this! */ kfree(sdata); - return ret; + goto out_unlock; } ret = ieee80211_check_queues(sdata); if (ret) { kfree(sdata); - return ret; + goto out_unlock; } rcu_assign_pointer(local->monitor_sdata, sdata); - - return 0; + out_unlock: + mutex_unlock(&local->iflist_mtx); + return ret; } void ieee80211_del_virtual_monitor(struct ieee80211_local *local) @@ -379,10 +384,12 @@ void ieee80211_del_virtual_monitor(struct ieee80211_local *local) if (!(local->hw.flags & IEEE80211_HW_WANT_MONITOR_VIF)) return; - sdata = rtnl_dereference(local->monitor_sdata); + mutex_lock(&local->iflist_mtx); + sdata = rcu_dereference_protected(local->monitor_sdata, + lockdep_is_held(&local->iflist_mtx)); if (!sdata) - return; + goto out_unlock; rcu_assign_pointer(local->monitor_sdata, NULL); synchronize_net(); @@ -390,6 +397,8 @@ void ieee80211_del_virtual_monitor(struct ieee80211_local *local) drv_remove_interface(local, sdata); kfree(sdata); + out_unlock: + mutex_unlock(&local->iflist_mtx); } /* diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 596db0c2a11..39b82fee490 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -529,6 +529,11 @@ void ieee80211_iterate_active_interfaces( &sdata->vif); } + sdata = rcu_dereference_protected(local->monitor_sdata, + lockdep_is_held(&local->iflist_mtx)); + if (sdata) + iterator(data, sdata->vif.addr, &sdata->vif); + mutex_unlock(&local->iflist_mtx); } EXPORT_SYMBOL_GPL(ieee80211_iterate_active_interfaces); @@ -557,6 +562,10 @@ void ieee80211_iterate_active_interfaces_atomic( &sdata->vif); } + sdata = rcu_dereference(local->monitor_sdata); + if (sdata) + iterator(data, sdata->vif.addr, &sdata->vif); + rcu_read_unlock(); } EXPORT_SYMBOL_GPL(ieee80211_iterate_active_interfaces_atomic); -- cgit v1.2.2 From f53594a0d8f4b9d7bc3d3ed8062b9c428f5447a3 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Thu, 12 Jul 2012 16:10:02 +0200 Subject: cfg80211: ignore channel state for stopped AP/mesh interfaces Without this change, running AP + station on the same wiphy does not work since the commit "cfg80211: add channel checking for iface combinations". The stopped AP prevents the client from connecting to an AP on a different channel. Signed-off-by: Felix Fietkau [line-break commit message to < 72 chars] Signed-off-by: Johannes Berg --- net/wireless/chan.c | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) (limited to 'net') diff --git a/net/wireless/chan.c b/net/wireless/chan.c index 1cc4b7cc737..a16cdffb24a 100644 --- a/net/wireless/chan.c +++ b/net/wireless/chan.c @@ -134,9 +134,16 @@ cfg80211_get_chan_state(struct wireless_dev *wdev, break; case NL80211_IFTYPE_AP: case NL80211_IFTYPE_P2P_GO: + if (wdev->beacon_interval) { + *chan = wdev->channel; + *chanmode = CHAN_MODE_SHARED; + } + return; case NL80211_IFTYPE_MESH_POINT: - *chan = wdev->channel; - *chanmode = CHAN_MODE_SHARED; + if (wdev->mesh_id_len) { + *chan = wdev->channel; + *chanmode = CHAN_MODE_SHARED; + } return; case NL80211_IFTYPE_MONITOR: case NL80211_IFTYPE_AP_VLAN: -- cgit v1.2.2 From 81b3039557faf1359f40494003aaade745de6c24 Mon Sep 17 00:00:00 2001 From: Eric Lapuyade Date: Thu, 12 Jul 2012 20:27:54 +0200 Subject: NFC: Set target nfcid1 for all HCI reader A targets Without the discovered target nfcid1 and its length set properly, type 2 tags detection fails with the pn544 as it checks for them from pn544_hci_complete_target_discovered(). Signed-off-by: Eric Lapuyade Reported-by: Mathias Jeppsson Signed-off-by: Samuel Ortiz Signed-off-by: John W. Linville --- net/nfc/hci/core.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'net') diff --git a/net/nfc/hci/core.c b/net/nfc/hci/core.c index da6e039c860..4896ef13f83 100644 --- a/net/nfc/hci/core.c +++ b/net/nfc/hci/core.c @@ -170,6 +170,7 @@ static int nfc_hci_target_discovered(struct nfc_hci_dev *hdev, u8 gate) struct nfc_target *targets; struct sk_buff *atqa_skb = NULL; struct sk_buff *sak_skb = NULL; + struct sk_buff *uid_skb = NULL; int r; pr_debug("from gate %d\n", gate); @@ -205,6 +206,19 @@ static int nfc_hci_target_discovered(struct nfc_hci_dev *hdev, u8 gate) targets->sens_res = be16_to_cpu(*(u16 *)atqa_skb->data); targets->sel_res = sak_skb->data[0]; + r = nfc_hci_get_param(hdev, NFC_HCI_RF_READER_A_GATE, + NFC_HCI_RF_READER_A_UID, &uid_skb); + if (r < 0) + goto exit; + + if (uid_skb->len == 0 || uid_skb->len > NFC_NFCID1_MAXSIZE) { + r = -EPROTO; + goto exit; + } + + memcpy(targets->nfcid1, uid_skb->data, uid_skb->len); + targets->nfcid1_len = uid_skb->len; + if (hdev->ops->complete_target_discovered) { r = hdev->ops->complete_target_discovered(hdev, gate, targets); @@ -240,6 +254,7 @@ exit: kfree(targets); kfree_skb(atqa_skb); kfree_skb(sak_skb); + kfree_skb(uid_skb); return r; } -- cgit v1.2.2 From 8a70e7f8f3081770238fbe19f78116af1d4b0652 Mon Sep 17 00:00:00 2001 From: Dave Jones Date: Thu, 12 Jul 2012 19:17:34 +0200 Subject: NFC: NCI module license 'unspecified' taints kernel Signed-off-by: Dave Jones Signed-off-by: Samuel Ortiz Signed-off-by: John W. Linville --- net/nfc/nci/core.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'net') diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c index d560e6f1307..f18f207fd3a 100644 --- a/net/nfc/nci/core.c +++ b/net/nfc/nci/core.c @@ -27,6 +27,7 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": %s: " fmt, __func__ +#include #include #include #include @@ -878,3 +879,5 @@ static void nci_cmd_work(struct work_struct *work) jiffies + msecs_to_jiffies(NCI_CMD_TIMEOUT)); } } + +MODULE_LICENSE("GPL"); -- cgit v1.2.2 From ae33bd817a10f39174453b754e9b548132acae4a Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Thu, 12 Jul 2012 16:25:02 +0200 Subject: nl80211: allow enabling WoWLAN without triggers It may be desirable to use WoWLAN without triggers to keep the connection alive to the AP while suspended. Allow this use by enabling WoWLAN without triggers if no triggers were requested. Signed-off-by: Johannes Berg --- net/wireless/nl80211.c | 30 +++++++++++++----------------- 1 file changed, 13 insertions(+), 17 deletions(-) (limited to 'net') diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 6472c7f928d..079fc49e397 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -6466,8 +6466,8 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) { struct cfg80211_registered_device *rdev = info->user_ptr[0]; struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG]; - struct cfg80211_wowlan no_triggers = {}; struct cfg80211_wowlan new_triggers = {}; + struct cfg80211_wowlan *ntrig; struct wiphy_wowlan_support *wowlan = &rdev->wiphy.wowlan; int err, i; bool prev_enabled = rdev->wowlan; @@ -6475,8 +6475,11 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) if (!rdev->wiphy.wowlan.flags && !rdev->wiphy.wowlan.n_patterns) return -EOPNOTSUPP; - if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) - goto no_triggers; + if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) { + cfg80211_rdev_free_wowlan(rdev); + rdev->wowlan = NULL; + goto set_wakeup; + } err = nla_parse(tb, MAX_NL80211_WOWLAN_TRIG, nla_data(info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]), @@ -6587,22 +6590,15 @@ static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) } } - if (memcmp(&new_triggers, &no_triggers, sizeof(new_triggers))) { - struct cfg80211_wowlan *ntrig; - ntrig = kmemdup(&new_triggers, sizeof(new_triggers), - GFP_KERNEL); - if (!ntrig) { - err = -ENOMEM; - goto error; - } - cfg80211_rdev_free_wowlan(rdev); - rdev->wowlan = ntrig; - } else { - no_triggers: - cfg80211_rdev_free_wowlan(rdev); - rdev->wowlan = NULL; + ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL); + if (!ntrig) { + err = -ENOMEM; + goto error; } + cfg80211_rdev_free_wowlan(rdev); + rdev->wowlan = ntrig; + set_wakeup: if (rdev->ops->set_wakeup && prev_enabled != !!rdev->wowlan) rdev->ops->set_wakeup(&rdev->wiphy, rdev->wowlan); -- cgit v1.2.2 From 4b4b8229aeff4ca09b4aee921d383c596146eca0 Mon Sep 17 00:00:00 2001 From: Alan Cox Date: Fri, 13 Jul 2012 16:14:45 +0200 Subject: mac80211: fix use after free roc is destroyed then roc->started is referenced. Keep a local cache. Signed-off-by: Alan Cox Signed-off-by: Johannes Berg --- net/mac80211/offchannel.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'net') diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c index 8c047fc8b32..635c3250c66 100644 --- a/net/mac80211/offchannel.c +++ b/net/mac80211/offchannel.c @@ -324,6 +324,7 @@ void ieee80211_sw_roc_work(struct work_struct *work) container_of(work, struct ieee80211_roc_work, work.work); struct ieee80211_sub_if_data *sdata = roc->sdata; struct ieee80211_local *local = sdata->local; + bool started; mutex_lock(&local->mtx); @@ -366,9 +367,10 @@ void ieee80211_sw_roc_work(struct work_struct *work) /* finish this ROC */ finish: list_del(&roc->list); + started = roc->started; ieee80211_roc_notify_destroy(roc); - if (roc->started) { + if (started) { drv_flush(local, false); local->tmp_channel = NULL; @@ -379,7 +381,7 @@ void ieee80211_sw_roc_work(struct work_struct *work) ieee80211_recalc_idle(local); - if (roc->started) + if (started) ieee80211_start_next_roc(local); } -- cgit v1.2.2 From 075e08477d51709ae1998a05c35aadf59ef823b9 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Thu, 12 Jul 2012 19:28:31 +0200 Subject: Revert "mac80211: refactor virtual monitor code" This reverts commit 870d37fc22f3e40f9f23e06c581c8538fc16a2f0. This code doesn't work as cfg80211 will call set_monitor_enabled at the wrong time and it doesn't seem to be possible to fix this. Signed-off-by: Johannes Berg --- net/mac80211/cfg.c | 11 ----------- net/mac80211/ieee80211_i.h | 4 ---- net/mac80211/iface.c | 16 ++++++++++++++-- 3 files changed, 14 insertions(+), 17 deletions(-) (limited to 'net') diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index cfdc03f59e2..e95f24eef87 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -2982,16 +2982,6 @@ static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, return 0; } -static void ieee80211_set_monitor_enabled(struct wiphy *wiphy, bool enabled) -{ - struct ieee80211_local *local = wiphy_priv(wiphy); - - if (enabled) - WARN_ON(ieee80211_add_virtual_monitor(local)); - else - ieee80211_del_virtual_monitor(local); -} - #ifdef CONFIG_PM static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled) { @@ -3066,7 +3056,6 @@ struct cfg80211_ops mac80211_config_ops = { .tdls_mgmt = ieee80211_tdls_mgmt, .probe_client = ieee80211_probe_client, .set_noack_map = ieee80211_set_noack_map, - .set_monitor_enabled = ieee80211_set_monitor_enabled, #ifdef CONFIG_PM .set_wakeup = ieee80211_set_wakeup, #endif diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 7998513ec83..bb61f7718c4 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -1491,10 +1491,6 @@ int ieee80211_add_srates_ie(struct ieee80211_sub_if_data *sdata, int ieee80211_add_ext_srates_ie(struct ieee80211_sub_if_data *sdata, struct sk_buff *skb, bool need_basic); -/* virtual monitor */ -int ieee80211_add_virtual_monitor(struct ieee80211_local *local); -void ieee80211_del_virtual_monitor(struct ieee80211_local *local); - /* channel management */ enum ieee80211_chan_mode { CHAN_MODE_UNDEFINED, diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index 334ee0fb18c..bfb57dcc153 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -331,7 +331,7 @@ static void ieee80211_set_default_queues(struct ieee80211_sub_if_data *sdata) sdata->vif.cab_queue = IEEE80211_INVAL_HW_QUEUE; } -int ieee80211_add_virtual_monitor(struct ieee80211_local *local) +static int ieee80211_add_virtual_monitor(struct ieee80211_local *local) { struct ieee80211_sub_if_data *sdata; int ret = 0; @@ -377,7 +377,7 @@ int ieee80211_add_virtual_monitor(struct ieee80211_local *local) return ret; } -void ieee80211_del_virtual_monitor(struct ieee80211_local *local) +static void ieee80211_del_virtual_monitor(struct ieee80211_local *local) { struct ieee80211_sub_if_data *sdata; @@ -497,6 +497,12 @@ static int ieee80211_do_open(struct net_device *dev, bool coming_up) break; } + if (local->monitors == 0 && local->open_count == 0) { + res = ieee80211_add_virtual_monitor(local); + if (res) + goto err_stop; + } + /* must be before the call to ieee80211_configure_filter */ local->monitors++; if (local->monitors == 1) { @@ -511,6 +517,8 @@ static int ieee80211_do_open(struct net_device *dev, bool coming_up) break; default: if (coming_up) { + ieee80211_del_virtual_monitor(local); + res = drv_add_interface(local, sdata); if (res) goto err_stop; @@ -745,6 +753,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, if (local->monitors == 0) { local->hw.conf.flags &= ~IEEE80211_CONF_MONITOR; hw_reconf_flags |= IEEE80211_CONF_CHANGE_MONITOR; + ieee80211_del_virtual_monitor(local); } ieee80211_adjust_monitor_flags(sdata, -1); @@ -818,6 +827,9 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, } } spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags); + + if (local->monitors == local->open_count && local->monitors > 0) + ieee80211_add_virtual_monitor(local); } static int ieee80211_stop(struct net_device *dev) -- cgit v1.2.2 From 5b7ccaf3fc7446e42b83a77fd7aa7ad92850acdd Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Thu, 12 Jul 2012 19:45:08 +0200 Subject: cfg80211/mac80211: re-add get_channel operation This essentially reverts commit 2e165b818456 but introduces the get_channel operation with a new wireless_dev argument so that you can retrieve the channel per interface. This is necessary as even though we can track all interface channels (except monitor) we can't track the channel type used. Signed-off-by: Johannes Berg --- net/mac80211/cfg.c | 11 +++++++++++ net/wireless/nl80211.c | 16 +++++++++++----- net/wireless/wext-compat.c | 9 +++++++-- 3 files changed, 29 insertions(+), 7 deletions(-) (limited to 'net') diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index e95f24eef87..10dd9631e4d 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -2982,6 +2982,16 @@ static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev, return 0; } +static struct ieee80211_channel * +ieee80211_cfg_get_channel(struct wiphy *wiphy, struct wireless_dev *wdev, + enum nl80211_channel_type *type) +{ + struct ieee80211_local *local = wiphy_priv(wiphy); + + *type = local->_oper_channel_type; + return local->oper_channel; +} + #ifdef CONFIG_PM static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled) { @@ -3062,4 +3072,5 @@ struct cfg80211_ops mac80211_config_ops = { .get_et_sset_count = ieee80211_get_et_sset_count, .get_et_stats = ieee80211_get_et_stats, .get_et_strings = ieee80211_get_et_strings, + .get_channel = ieee80211_cfg_get_channel, }; diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 079fc49e397..6b001e44571 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -1759,11 +1759,17 @@ static int nl80211_send_iface(struct sk_buff *msg, u32 pid, u32 seq, int flags, (cfg80211_rdev_list_generation << 2))) goto nla_put_failure; - if (rdev->monitor_channel) { - if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, - rdev->monitor_channel->center_freq) || - nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, - rdev->monitor_channel_type)) + if (rdev->ops->get_channel) { + struct ieee80211_channel *chan; + enum nl80211_channel_type channel_type; + + chan = rdev->ops->get_channel(&rdev->wiphy, wdev, + &channel_type); + if (chan && + (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, + chan->center_freq) || + nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, + channel_type))) goto nla_put_failure; } diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c index 7df42f54187..494379eb464 100644 --- a/net/wireless/wext-compat.c +++ b/net/wireless/wext-compat.c @@ -827,6 +827,8 @@ static int cfg80211_wext_giwfreq(struct net_device *dev, { struct wireless_dev *wdev = dev->ieee80211_ptr; struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); + struct ieee80211_channel *chan; + enum nl80211_channel_type channel_type; switch (wdev->iftype) { case NL80211_IFTYPE_STATION: @@ -834,10 +836,13 @@ static int cfg80211_wext_giwfreq(struct net_device *dev, case NL80211_IFTYPE_ADHOC: return cfg80211_ibss_wext_giwfreq(dev, info, freq, extra); case NL80211_IFTYPE_MONITOR: - if (!rdev->monitor_channel) + if (!rdev->ops->get_channel) return -EINVAL; - freq->m = rdev->monitor_channel->center_freq; + chan = rdev->ops->get_channel(wdev->wiphy, wdev, &channel_type); + if (!chan) + return -EINVAL; + freq->m = chan->center_freq; freq->e = 6; return 0; default: -- cgit v1.2.2 From 4290cb4bf212112e3d6f860e25f000ca8a1ca6a4 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Thu, 12 Jul 2012 22:19:48 +0200 Subject: cfg80211: reduce monitor interface tracking Revert commit b78e8ceac23655e1e06b30aa95ab11742d1ac7c0 ("cfg80211: track monitor channel") and remove the set_monitor_enabled() callback. Due to the tracking happening in NETDEV_PRE_UP, it had introduced bugs because the monitor interface callback would be called before the device was started. It looks like there's no way to fix this, and using NETDEV_PRE_UP is broken anyway (since there's no NETDEV_UP_FAIL), so remove all that code, track interfaces in NETDEV_UP and also stop tracking the monitor channel in cfg80211. This mostly reverts to before the tracking, except that we keep the interface count tracking so that setting the monitor channel can be rejected properly. Signed-off-by: Johannes Berg --- net/wireless/chan.c | 9 +-------- net/wireless/core.c | 48 +----------------------------------------------- net/wireless/core.h | 3 --- 3 files changed, 2 insertions(+), 58 deletions(-) (limited to 'net') diff --git a/net/wireless/chan.c b/net/wireless/chan.c index a16cdffb24a..d355f67d0cd 100644 --- a/net/wireless/chan.c +++ b/net/wireless/chan.c @@ -82,7 +82,6 @@ int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev, int freq, enum nl80211_channel_type chantype) { struct ieee80211_channel *chan; - int err; if (!rdev->ops->set_monitor_channel) return -EOPNOTSUPP; @@ -93,13 +92,7 @@ int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev, if (!chan) return -EINVAL; - err = rdev->ops->set_monitor_channel(&rdev->wiphy, chan, chantype); - if (!err) { - rdev->monitor_channel = chan; - rdev->monitor_channel_type = chantype; - } - - return err; + return rdev->ops->set_monitor_channel(&rdev->wiphy, chan, chantype); } void diff --git a/net/wireless/core.c b/net/wireless/core.c index 0557bb15902..71b684b5a67 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -736,60 +736,14 @@ static struct device_type wiphy_type = { .name = "wlan", }; -static struct ieee80211_channel * -cfg80211_get_any_chan(struct cfg80211_registered_device *rdev) -{ - struct ieee80211_supported_band *sband; - int i; - - for (i = 0; i < IEEE80211_NUM_BANDS; i++) { - sband = rdev->wiphy.bands[i]; - if (sband && sband->n_channels > 0) - return &sband->channels[0]; - } - - return NULL; -} - -static void cfg80211_init_mon_chan(struct cfg80211_registered_device *rdev) -{ - struct ieee80211_channel *chan; - - chan = cfg80211_get_any_chan(rdev); - if (WARN_ON(!chan)) - return; - - mutex_lock(&rdev->devlist_mtx); - WARN_ON(cfg80211_set_monitor_channel(rdev, chan->center_freq, - NL80211_CHAN_NO_HT)); - mutex_unlock(&rdev->devlist_mtx); -} - void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev, enum nl80211_iftype iftype, int num) { - bool has_monitors_only_old = cfg80211_has_monitors_only(rdev); - bool has_monitors_only_new; - ASSERT_RTNL(); rdev->num_running_ifaces += num; if (iftype == NL80211_IFTYPE_MONITOR) rdev->num_running_monitor_ifaces += num; - - has_monitors_only_new = cfg80211_has_monitors_only(rdev); - if (has_monitors_only_new != has_monitors_only_old) { - if (rdev->ops->set_monitor_enabled) - rdev->ops->set_monitor_enabled(&rdev->wiphy, - has_monitors_only_new); - - if (!has_monitors_only_new) { - rdev->monitor_channel = NULL; - rdev->monitor_channel_type = NL80211_CHAN_NO_HT; - } else { - cfg80211_init_mon_chan(rdev); - } - } } static int cfg80211_netdev_notifier_call(struct notifier_block *nb, @@ -912,6 +866,7 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb, mutex_unlock(&rdev->devlist_mtx); dev_put(dev); } + cfg80211_update_iface_num(rdev, wdev->iftype, 1); cfg80211_lock_rdev(rdev); mutex_lock(&rdev->devlist_mtx); wdev_lock(wdev); @@ -1006,7 +961,6 @@ static int cfg80211_netdev_notifier_call(struct notifier_block *nb, mutex_unlock(&rdev->devlist_mtx); if (ret) return notifier_from_errno(ret); - cfg80211_update_iface_num(rdev, wdev->iftype, 1); break; } diff --git a/net/wireless/core.h b/net/wireless/core.h index bac97da751d..5206c6844fd 100644 --- a/net/wireless/core.h +++ b/net/wireless/core.h @@ -61,9 +61,6 @@ struct cfg80211_registered_device { int num_running_ifaces; int num_running_monitor_ifaces; - struct ieee80211_channel *monitor_channel; - enum nl80211_channel_type monitor_channel_type; - /* BSSes/scanning */ spinlock_t bss_lock; struct list_head bss_list; -- cgit v1.2.2 From c20f8e35ca8b0583323d310ec63a0f0d17cfdcf5 Mon Sep 17 00:00:00 2001 From: Mat Martineau Date: Tue, 10 Jul 2012 05:47:07 -0700 Subject: Bluetooth: Use tx window from config response for ack timing This change addresses an L2CAP ERTM throughput problem when a remote device does not fully utilize the available transmit window. The L2CAP ERTM transmit window size determines the maximum number of unacked frames that may be outstanding at any time. It is configured separately for each direction of an ERTM connection. Each side sends a configuration request with a tx_win field indicating how many unacked frames it is capable of receiving before sending an ack. The configuration response's tx_win field shows how many frames the transmitter will actually send before waiting for an ack. It's important to trace both the actual transmit window (to check for validity of incoming frames) and the number of frames that the transmitter will send before waiting (to send acks at the appropriate time). Now there are separate tx_win and ack_win values. ack_win is updated based on configuration responses, and is used to determine when acks are sent. Signed-off-by: Mat Martineau Signed-off-by: Gustavo Padovan --- net/bluetooth/l2cap_core.c | 59 ++++++++++++++++++++++++++-------------------- 1 file changed, 34 insertions(+), 25 deletions(-) (limited to 'net') diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c index 9fd05993f5b..a8964db04bf 100644 --- a/net/bluetooth/l2cap_core.c +++ b/net/bluetooth/l2cap_core.c @@ -431,6 +431,7 @@ void l2cap_chan_set_defaults(struct l2cap_chan *chan) chan->max_tx = L2CAP_DEFAULT_MAX_TX; chan->tx_win = L2CAP_DEFAULT_TX_WINDOW; chan->tx_win_max = L2CAP_DEFAULT_TX_WINDOW; + chan->ack_win = L2CAP_DEFAULT_TX_WINDOW; chan->sec_level = BT_SECURITY_LOW; set_bit(FLAG_FORCE_ACTIVE, &chan->flags); @@ -1877,10 +1878,10 @@ static void l2cap_send_ack(struct l2cap_chan *chan) frames_to_ack = 0; } - /* Ack now if the tx window is 3/4ths full. + /* Ack now if the window is 3/4ths full. * Calculate without mul or div */ - threshold = chan->tx_win; + threshold = chan->ack_win; threshold += threshold << 1; threshold >>= 2; @@ -2786,6 +2787,7 @@ static inline void l2cap_txwin_setup(struct l2cap_chan *chan) L2CAP_DEFAULT_TX_WINDOW); chan->tx_win_max = L2CAP_DEFAULT_TX_WINDOW; } + chan->ack_win = chan->tx_win; } static int l2cap_build_conf_req(struct l2cap_chan *chan, void *data) @@ -3175,10 +3177,9 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len, voi break; case L2CAP_CONF_EWS: - chan->tx_win = min_t(u16, val, - L2CAP_DEFAULT_EXT_WINDOW); + chan->ack_win = min_t(u16, val, chan->ack_win); l2cap_add_conf_opt(&ptr, L2CAP_CONF_EWS, 2, - chan->tx_win); + chan->tx_win); break; case L2CAP_CONF_EFS: @@ -3207,6 +3208,9 @@ static int l2cap_parse_conf_rsp(struct l2cap_chan *chan, void *rsp, int len, voi chan->retrans_timeout = le16_to_cpu(rfc.retrans_timeout); chan->monitor_timeout = le16_to_cpu(rfc.monitor_timeout); chan->mps = le16_to_cpu(rfc.max_pdu_size); + if (!test_bit(FLAG_EXT_CTRL, &chan->flags)) + chan->ack_win = min_t(u16, chan->ack_win, + rfc.txwin_size); if (test_bit(FLAG_EFS_ENABLE, &chan->flags)) { chan->local_msdu = le16_to_cpu(efs.msdu); @@ -3268,7 +3272,17 @@ static void l2cap_conf_rfc_get(struct l2cap_chan *chan, void *rsp, int len) { int type, olen; unsigned long val; - struct l2cap_conf_rfc rfc; + /* Use sane default values in case a misbehaving remote device + * did not send an RFC or extended window size option. + */ + u16 txwin_ext = chan->ack_win; + struct l2cap_conf_rfc rfc = { + .mode = chan->mode, + .retrans_timeout = __constant_cpu_to_le16(L2CAP_DEFAULT_RETRANS_TO), + .monitor_timeout = __constant_cpu_to_le16(L2CAP_DEFAULT_MONITOR_TO), + .max_pdu_size = cpu_to_le16(chan->imtu), + .txwin_size = min_t(u16, chan->ack_win, L2CAP_DEFAULT_TX_WINDOW), + }; BT_DBG("chan %p, rsp %p, len %d", chan, rsp, len); @@ -3278,32 +3292,27 @@ static void l2cap_conf_rfc_get(struct l2cap_chan *chan, void *rsp, int len) while (len >= L2CAP_CONF_OPT_SIZE) { len -= l2cap_get_conf_opt(&rsp, &type, &olen, &val); - if (type != L2CAP_CONF_RFC) - continue; - - if (olen != sizeof(rfc)) + switch (type) { + case L2CAP_CONF_RFC: + if (olen == sizeof(rfc)) + memcpy(&rfc, (void *)val, olen); break; - - memcpy(&rfc, (void *)val, olen); - goto done; + case L2CAP_CONF_EWS: + txwin_ext = val; + break; + } } - /* Use sane default values in case a misbehaving remote device - * did not send an RFC option. - */ - rfc.mode = chan->mode; - rfc.retrans_timeout = __constant_cpu_to_le16(L2CAP_DEFAULT_RETRANS_TO); - rfc.monitor_timeout = __constant_cpu_to_le16(L2CAP_DEFAULT_MONITOR_TO); - rfc.max_pdu_size = cpu_to_le16(chan->imtu); - - BT_ERR("Expected RFC option was not found, using defaults"); - -done: switch (rfc.mode) { case L2CAP_MODE_ERTM: chan->retrans_timeout = le16_to_cpu(rfc.retrans_timeout); chan->monitor_timeout = le16_to_cpu(rfc.monitor_timeout); - chan->mps = le16_to_cpu(rfc.max_pdu_size); + chan->mps = le16_to_cpu(rfc.max_pdu_size); + if (test_bit(FLAG_EXT_CTRL, &chan->flags)) + chan->ack_win = min_t(u16, chan->ack_win, txwin_ext); + else + chan->ack_win = min_t(u16, chan->ack_win, + rfc.txwin_size); break; case L2CAP_MODE_STREAMING: chan->mps = le16_to_cpu(rfc.max_pdu_size); -- cgit v1.2.2 From 83ce9a06b5307c8d759ddd8e4f49e2495fb321f7 Mon Sep 17 00:00:00 2001 From: Johan Hedberg Date: Thu, 28 Jun 2012 13:44:30 +0300 Subject: Bluetooth: Change page scan interval in fast connectable mode This patch is based on a user space (hciops) patch which never made it upstream but does make sense to include in the mgmt part of the kernel. (User space) commit message from Dmitriy Paliy: " Page scan interval in fast connectable mode is changed from 22.5 msec to 160 msec to perform less aggressive page scanning. This is done accordingly to controller vendor recommendation. Primary concern is that current parameters 22.5 interval, 11.25 window, and interleaved scanning occupy whole radio bandwidth. Changing interval to 160 msec should be sufficient for both speeding up connection establishment and leaving space for other activities, like inquiry scan, e.g. " Signed-off-by: Johan Hedberg Signed-off-by: Gustavo Padovan --- net/bluetooth/mgmt.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'net') diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c index 0475f376ebf..ad6613d17ca 100644 --- a/net/bluetooth/mgmt.c +++ b/net/bluetooth/mgmt.c @@ -2596,8 +2596,8 @@ static int set_fast_connectable(struct sock *sk, struct hci_dev *hdev, if (cp->val) { type = PAGE_SCAN_TYPE_INTERLACED; - /* 22.5 msec page scan interval */ - acp.interval = __constant_cpu_to_le16(0x0024); + /* 160 msec page scan interval */ + acp.interval = __constant_cpu_to_le16(0x0100); } else { type = PAGE_SCAN_TYPE_STANDARD; /* default */ -- cgit v1.2.2 From 7f9f78ab96ebdb3533acd791efe485b25995947e Mon Sep 17 00:00:00 2001 From: Nicolas Cavallari Date: Mon, 16 Jul 2012 18:36:52 +0200 Subject: mac80211: fix tx-mgmt cookie value being left uninitialized commit "mac80211: unify SW/offload remain-on-channel" moved the cookie assignment from ieee80211_mgmt_tx() to ieee80211_start_roc_work(). But the latter is only called where offchannel is needed. If offchannel isn't needed/used, a uninitialized cookie value would be returned to userspace. This patch sets the cookie value when offchannel isn't used. Signed-off-by: Nicolas Cavallari Signed-off-by: Johannes Berg --- net/mac80211/cfg.c | 1 + 1 file changed, 1 insertion(+) (limited to 'net') diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 10dd9631e4d..efbbdc8a2be 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -2493,6 +2493,7 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, skb->dev = sdata->dev; if (!need_offchan) { + *cookie = (unsigned long) skb; ieee80211_tx_skb(sdata, skb); ret = 0; goto out_unlock; -- cgit v1.2.2 From 00f5335079689cd65a9430b5df8974dc35c7914b Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Tue, 17 Jul 2012 11:53:12 +0200 Subject: nl80211: add wdev ID as u64 as it should In one of my previous patches I erroneously used nla_put_u32 for the wdev_id, fix that to use nla_put_u64. Signed-off-by: Johannes Berg --- net/wireless/nl80211.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'net') diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 6b001e44571..be8750f91d7 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -8101,7 +8101,7 @@ static void nl80211_send_remain_on_chan_event( if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex)) || - nla_put_u32(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || + nla_put_u64(msg, NL80211_ATTR_WDEV, wdev_id(wdev)) || nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) || nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, channel_type) || nla_put_u64(msg, NL80211_ATTR_COOKIE, cookie)) -- cgit v1.2.2 From 84f10708f73254878246772cead70a2eb6a123f2 Mon Sep 17 00:00:00 2001 From: Thomas Pedersen Date: Thu, 12 Jul 2012 16:17:33 -0700 Subject: cfg80211: support TX error rate CQM Let the user configure serveral TX error conection quality monitoring parameters: % error rate, survey interval, and # of attempted packets. On exceeding the TX failure rate over the given interval, the driver will send a CQM notify event with the actual TX failure rate and packets attempted. Signed-off-by: Thomas Pedersen Signed-off-by: Johannes Berg --- net/wireless/mlme.c | 13 ++++++++ net/wireless/nl80211.c | 85 ++++++++++++++++++++++++++++++++++++++++++++++++++ net/wireless/nl80211.h | 5 +++ 3 files changed, 103 insertions(+) (limited to 'net') diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c index abe9f82d5a8..1cdb1d5e6b0 100644 --- a/net/wireless/mlme.c +++ b/net/wireless/mlme.c @@ -919,6 +919,19 @@ void cfg80211_cqm_pktloss_notify(struct net_device *dev, } EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify); +void cfg80211_cqm_txe_notify(struct net_device *dev, + const u8 *peer, u32 num_packets, + u32 rate, u32 intvl, gfp_t gfp) +{ + struct wireless_dev *wdev = dev->ieee80211_ptr; + struct wiphy *wiphy = wdev->wiphy; + struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); + + nl80211_send_cqm_txe_notify(rdev, dev, peer, num_packets, + rate, intvl, gfp); +} +EXPORT_SYMBOL(cfg80211_cqm_txe_notify); + void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid, const u8 *replay_ctr, gfp_t gfp) { diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index be8750f91d7..9216e45e53a 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -6267,8 +6267,35 @@ nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] __read_mostly = { [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_U32 }, [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 }, [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 }, + [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 }, + [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 }, + [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 }, }; +static int nl80211_set_cqm_txe(struct genl_info *info, + u32 rate, u32 pkts, u32 intvl) +{ + struct cfg80211_registered_device *rdev = info->user_ptr[0]; + struct wireless_dev *wdev; + struct net_device *dev = info->user_ptr[1]; + + if ((rate < 0 || rate > 100) || + (intvl < 0 || intvl > NL80211_CQM_TXE_MAX_INTVL)) + return -EINVAL; + + wdev = dev->ieee80211_ptr; + + if (!rdev->ops->set_cqm_txe_config) + return -EOPNOTSUPP; + + if (wdev->iftype != NL80211_IFTYPE_STATION && + wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) + return -EOPNOTSUPP; + + return rdev->ops->set_cqm_txe_config(wdev->wiphy, dev, + rate, pkts, intvl); +} + static int nl80211_set_cqm_rssi(struct genl_info *info, s32 threshold, u32 hysteresis) { @@ -6316,6 +6343,14 @@ static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info) threshold = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_THOLD]); hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]); err = nl80211_set_cqm_rssi(info, threshold, hysteresis); + } else if (attrs[NL80211_ATTR_CQM_TXE_RATE] && + attrs[NL80211_ATTR_CQM_TXE_PKTS] && + attrs[NL80211_ATTR_CQM_TXE_INTVL]) { + u32 rate, pkts, intvl; + rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]); + pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]); + intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]); + err = nl80211_set_cqm_txe(info, rate, pkts, intvl); } else err = -EINVAL; @@ -8495,6 +8530,56 @@ void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev, nlmsg_free(msg); } +void +nl80211_send_cqm_txe_notify(struct cfg80211_registered_device *rdev, + struct net_device *netdev, const u8 *peer, + u32 num_packets, u32 rate, u32 intvl, gfp_t gfp) +{ + struct sk_buff *msg; + struct nlattr *pinfoattr; + void *hdr; + + msg = nlmsg_new(NLMSG_GOODSIZE, gfp); + if (!msg) + return; + + hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); + if (!hdr) { + nlmsg_free(msg); + return; + } + + if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || + nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || + nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer)) + goto nla_put_failure; + + pinfoattr = nla_nest_start(msg, NL80211_ATTR_CQM); + if (!pinfoattr) + goto nla_put_failure; + + if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets)) + goto nla_put_failure; + + if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate)) + goto nla_put_failure; + + if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl)) + goto nla_put_failure; + + nla_nest_end(msg, pinfoattr); + + genlmsg_end(msg, hdr); + + genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0, + nl80211_mlme_mcgrp.id, gfp); + return; + + nla_put_failure: + genlmsg_cancel(msg, hdr); + nlmsg_free(msg); +} + void nl80211_send_cqm_pktloss_notify(struct cfg80211_registered_device *rdev, struct net_device *netdev, const u8 *peer, diff --git a/net/wireless/nl80211.h b/net/wireless/nl80211.h index 89ce99675e6..9f2616fffb4 100644 --- a/net/wireless/nl80211.h +++ b/net/wireless/nl80211.h @@ -110,6 +110,11 @@ nl80211_send_cqm_pktloss_notify(struct cfg80211_registered_device *rdev, struct net_device *netdev, const u8 *peer, u32 num_packets, gfp_t gfp); +void +nl80211_send_cqm_txe_notify(struct cfg80211_registered_device *rdev, + struct net_device *netdev, const u8 *peer, + u32 num_packets, u32 rate, u32 intvl, gfp_t gfp); + void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev, struct net_device *netdev, const u8 *bssid, const u8 *replay_ctr, gfp_t gfp); -- cgit v1.2.2 From 959085352b7c44ff9bae4d8a4d76146193260e4c Mon Sep 17 00:00:00 2001 From: Kalle Valo Date: Thu, 12 Jul 2012 15:33:58 +0300 Subject: cfg80211: fix set_regdom() to cancel requests with same alpha2 While adding regulatory support to ath6kl I noticed that I easily got the regulatory code confused. The way to reproduce the bug was: 1. iw reg set FI (in userspace) 2. cfg80211 calls ath6kl_reg_notify(FI) 3. ath6kl sets regdomain in firmware 4. firmware sends regdomain event to notify about the new regdomain (FI) 5. ath6kl calls regulatory_hint(FI) And this (from FI to FI transition) confuses cfg80211 and after that I only get "Pending regulatory request, waiting for it to be processed...." messages and regdomain changes won't work anymore. The reason why ath6kl calls regulatory_hint() is that firmware can change the regulatory domain by it's own, for example due to 11d IEs. I could of course workaround this in ath6kl but I think it's better to handle the case in cfg80211. The fix is pretty simple, use a different error code if the regdomain is same and then just set the request processed so that it doesn't block new requests. Signed-off-by: Kalle Valo Signed-off-by: Johannes Berg --- net/wireless/reg.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'net') diff --git a/net/wireless/reg.c b/net/wireless/reg.c index b2b32229b60..ad6f9029c56 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -2128,7 +2128,7 @@ static int __set_regdom(const struct ieee80211_regdomain *rd) * checking if the alpha2 changes if CRDA was already called */ if (!regdom_changes(rd->alpha2)) - return -EINVAL; + return -EALREADY; } /* @@ -2248,6 +2248,9 @@ int set_regdom(const struct ieee80211_regdomain *rd) /* Note that this doesn't update the wiphys, this is done below */ r = __set_regdom(rd); if (r) { + if (r == -EALREADY) + reg_set_request_processed(); + kfree(rd); mutex_unlock(®_mutex); return r; -- cgit v1.2.2 From b594bab9021f5225a24bcb69d7f7b7272419adb2 Mon Sep 17 00:00:00 2001 From: "Luis R. Rodriguez" Date: Thu, 12 Jul 2012 11:49:17 -0700 Subject: cfg80211: add CONFIG_CFG80211_CERTIFICATION_ONUS This adds CONFIG_CFG80211_CERTIFICATION_ONUS which is to be used for features / code which require a bit of work on the system integrator's part to ensure that the system will still pass 802.11 regulatory certification. This option is also usable for researchers and experimenters looking to add code in the kernel without impacting compliant code. We'd use CONFIG_EXPERT alone but it seems that most standard Linux distributions are enabling CONFIG_EXPERT already. This allows us to define 802.11 specific kernel features under a flag that is intended by design to be disabled by standard Linux distributions, and only enabled by system integrators or distributions that have done work to ensure regulatory certification on the system with the enabled features. Signed-off-by: Luis R. Rodriguez Signed-off-by: Johannes Berg --- net/wireless/Kconfig | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) (limited to 'net') diff --git a/net/wireless/Kconfig b/net/wireless/Kconfig index 4d2b1ec6516..fe4adb12b3e 100644 --- a/net/wireless/Kconfig +++ b/net/wireless/Kconfig @@ -74,6 +74,27 @@ config CFG80211_REG_DEBUG If unsure, say N. +config CFG80211_CERTIFICATION_ONUS + bool "cfg80211 certification onus" + depends on CFG80211 && EXPERT + default n + ---help--- + You should disable this option unless you are both capable + and willing to ensure your system will remain regulatory + compliant with the features available under this option. + Some options may still be under heavy development and + for whatever reason regulatory compliance has not or + cannot yet be verified. Regulatory verification may at + times only be possible until you have the final system + in place. + + This option should only be enabled by system integrators + or distributions that have done work necessary to ensure + regulatory certification on the system with the enabled + features. Alternatively you can enable this option if + you are a wireless researcher and are working in a controlled + and approved environment by your local regulatory agency. + config CFG80211_DEFAULT_PS bool "enable powersave by default" depends on CFG80211 -- cgit v1.2.2 From 57b5ce072e7361218a8e2ea1d62960cbb71d9cff Mon Sep 17 00:00:00 2001 From: "Luis R. Rodriguez" Date: Thu, 12 Jul 2012 11:49:18 -0700 Subject: cfg80211: add cellular base station regulatory hint support Cellular base stations can provide hints to cfg80211 about where they think we are. This can be done for example on a cell phone. To enable these hints we simply allow them through as user regulatory hints but we allow userspace to clasify the hint as either coming directly from the user or coming from a cellular base station. This option is only available when you enable CONFIG_CFG80211_CERTIFICATION_ONUS. The base station hints themselves will not be processed by the core unless at least one device on the system supports this feature. Signed-off-by: Luis R. Rodriguez Signed-off-by: Johannes Berg --- net/wireless/core.c | 1 + net/wireless/nl80211.c | 23 +++++++++- net/wireless/reg.c | 113 ++++++++++++++++++++++++++++++++++++++++++++++--- net/wireless/reg.h | 5 ++- 4 files changed, 134 insertions(+), 8 deletions(-) (limited to 'net') diff --git a/net/wireless/core.c b/net/wireless/core.c index 71b684b5a67..c0307b05986 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -542,6 +542,7 @@ int wiphy_register(struct wiphy *wiphy) } /* set up regulatory info */ + wiphy_regulatory_register(wiphy); regulatory_update(wiphy, NL80211_REGDOM_SET_BY_CORE); list_add_rcu(&rdev->list, &cfg80211_rdev_list); diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 9216e45e53a..50b1a0e84f1 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -354,6 +354,7 @@ static const struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] = { [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 }, [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 }, [NL80211_ATTR_WDEV] = { .type = NLA_U64 }, + [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 }, }; /* policy for the key attributes */ @@ -3582,6 +3583,7 @@ static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info) { int r; char *data = NULL; + enum nl80211_user_reg_hint_type user_reg_hint_type; /* * You should only get this when cfg80211 hasn't yet initialized @@ -3601,7 +3603,21 @@ static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info) data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); - r = regulatory_hint_user(data); + if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]) + user_reg_hint_type = + nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]); + else + user_reg_hint_type = NL80211_USER_REG_HINT_USER; + + switch (user_reg_hint_type) { + case NL80211_USER_REG_HINT_USER: + case NL80211_USER_REG_HINT_CELL_BASE: + break; + default: + return -EINVAL; + } + + r = regulatory_hint_user(data, user_reg_hint_type); return r; } @@ -3971,6 +3987,11 @@ static int nl80211_get_reg(struct sk_buff *skb, struct genl_info *info) cfg80211_regdomain->dfs_region))) goto nla_put_failure; + if (reg_last_request_cell_base() && + nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE, + NL80211_USER_REG_HINT_CELL_BASE)) + goto nla_put_failure; + nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES); if (!nl_reg_rules) goto nla_put_failure; diff --git a/net/wireless/reg.c b/net/wireless/reg.c index ad6f9029c56..83583a9c15d 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -97,9 +97,16 @@ const struct ieee80211_regdomain *cfg80211_regdomain; * - cfg80211_world_regdom * - cfg80211_regdom * - last_request + * - reg_num_devs_support_basehint */ static DEFINE_MUTEX(reg_mutex); +/* + * Number of devices that registered to the core + * that support cellular base station regulatory hints + */ +static int reg_num_devs_support_basehint; + static inline void assert_reg_lock(void) { lockdep_assert_held(®_mutex); @@ -911,6 +918,59 @@ static void handle_band(struct wiphy *wiphy, handle_channel(wiphy, initiator, band, i); } +static bool reg_request_cell_base(struct regulatory_request *request) +{ + if (request->initiator != NL80211_REGDOM_SET_BY_USER) + return false; + if (request->user_reg_hint_type != NL80211_USER_REG_HINT_CELL_BASE) + return false; + return true; +} + +bool reg_last_request_cell_base(void) +{ + assert_cfg80211_lock(); + + mutex_lock(®_mutex); + return reg_request_cell_base(last_request); + mutex_unlock(®_mutex); +} + +#ifdef CONFIG_CFG80211_CERTIFICATION_ONUS + +/* Core specific check */ +static int reg_ignore_cell_hint(struct regulatory_request *pending_request) +{ + if (!reg_num_devs_support_basehint) + return -EOPNOTSUPP; + + if (reg_request_cell_base(last_request)) { + if (!regdom_changes(pending_request->alpha2)) + return -EALREADY; + return 0; + } + return 0; +} + +/* Device specific check */ +static bool reg_dev_ignore_cell_hint(struct wiphy *wiphy) +{ + if (!(wiphy->features & NL80211_FEATURE_CELL_BASE_REG_HINTS)) + return true; + return false; +} +#else +static int reg_ignore_cell_hint(struct regulatory_request *pending_request) +{ + return -EOPNOTSUPP; +} +static int reg_dev_ignore_cell_hint(struct wiphy *wiphy) +{ + return true; +} +#endif + + static bool ignore_reg_update(struct wiphy *wiphy, enum nl80211_reg_initiator initiator) { @@ -944,6 +1004,9 @@ static bool ignore_reg_update(struct wiphy *wiphy, return true; } + if (reg_request_cell_base(last_request)) + return reg_dev_ignore_cell_hint(wiphy); + return false; } @@ -1307,6 +1370,13 @@ static int ignore_request(struct wiphy *wiphy, return 0; case NL80211_REGDOM_SET_BY_COUNTRY_IE: + if (reg_request_cell_base(last_request)) { + /* Trust a Cell base station over the AP's country IE */ + if (regdom_changes(pending_request->alpha2)) + return -EOPNOTSUPP; + return -EALREADY; + } + last_wiphy = wiphy_idx_to_wiphy(last_request->wiphy_idx); if (unlikely(!is_an_alpha2(pending_request->alpha2))) @@ -1351,6 +1421,12 @@ static int ignore_request(struct wiphy *wiphy, return REG_INTERSECT; case NL80211_REGDOM_SET_BY_USER: + if (reg_request_cell_base(pending_request)) + return reg_ignore_cell_hint(pending_request); + + if (reg_request_cell_base(last_request)) + return -EOPNOTSUPP; + if (last_request->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE) return REG_INTERSECT; /* @@ -1640,7 +1716,8 @@ static int regulatory_hint_core(const char *alpha2) } /* User hints */ -int regulatory_hint_user(const char *alpha2) +int regulatory_hint_user(const char *alpha2, + enum nl80211_user_reg_hint_type user_reg_hint_type) { struct regulatory_request *request; @@ -1654,6 +1731,7 @@ int regulatory_hint_user(const char *alpha2) request->alpha2[0] = alpha2[0]; request->alpha2[1] = alpha2[1]; request->initiator = NL80211_REGDOM_SET_BY_USER; + request->user_reg_hint_type = user_reg_hint_type; queue_regulatory_request(request); @@ -1906,7 +1984,7 @@ static void restore_regulatory_settings(bool reset_user) * settings, user regulatory settings takes precedence. */ if (is_an_alpha2(alpha2)) - regulatory_hint_user(user_alpha2); + regulatory_hint_user(user_alpha2, NL80211_USER_REG_HINT_USER); if (list_empty(&tmp_reg_req_list)) return; @@ -2081,9 +2159,16 @@ static void print_regdomain(const struct ieee80211_regdomain *rd) else { if (is_unknown_alpha2(rd->alpha2)) pr_info("Regulatory domain changed to driver built-in settings (unknown country)\n"); - else - pr_info("Regulatory domain changed to country: %c%c\n", - rd->alpha2[0], rd->alpha2[1]); + else { + if (reg_request_cell_base(last_request)) + pr_info("Regulatory domain changed " + "to country: %c%c by Cell Station\n", + rd->alpha2[0], rd->alpha2[1]); + else + pr_info("Regulatory domain changed " + "to country: %c%c\n", + rd->alpha2[0], rd->alpha2[1]); + } } print_dfs_region(rd->dfs_region); print_rd_rules(rd); @@ -2293,6 +2378,18 @@ int reg_device_uevent(struct device *dev, struct kobj_uevent_env *env) } #endif /* CONFIG_HOTPLUG */ +void wiphy_regulatory_register(struct wiphy *wiphy) +{ + assert_cfg80211_lock(); + + mutex_lock(®_mutex); + + if (!reg_dev_ignore_cell_hint(wiphy)) + reg_num_devs_support_basehint++; + + mutex_unlock(®_mutex); +} + /* Caller must hold cfg80211_mutex */ void reg_device_remove(struct wiphy *wiphy) { @@ -2302,6 +2399,9 @@ void reg_device_remove(struct wiphy *wiphy) mutex_lock(®_mutex); + if (!reg_dev_ignore_cell_hint(wiphy)) + reg_num_devs_support_basehint--; + kfree(wiphy->regd); if (last_request) @@ -2367,7 +2467,8 @@ int __init regulatory_init(void) * as a user hint. */ if (!is_world_regdom(ieee80211_regdom)) - regulatory_hint_user(ieee80211_regdom); + regulatory_hint_user(ieee80211_regdom, + NL80211_USER_REG_HINT_USER); return 0; } diff --git a/net/wireless/reg.h b/net/wireless/reg.h index e2aaaf525a2..519492fdda3 100644 --- a/net/wireless/reg.h +++ b/net/wireless/reg.h @@ -22,9 +22,11 @@ bool is_world_regdom(const char *alpha2); bool reg_is_valid_request(const char *alpha2); bool reg_supported_dfs_region(u8 dfs_region); -int regulatory_hint_user(const char *alpha2); +int regulatory_hint_user(const char *alpha2, + enum nl80211_user_reg_hint_type user_reg_hint_type); int reg_device_uevent(struct device *dev, struct kobj_uevent_env *env); +void wiphy_regulatory_register(struct wiphy *wiphy); void reg_device_remove(struct wiphy *wiphy); int __init regulatory_init(void); @@ -33,6 +35,7 @@ void regulatory_exit(void); int set_regdom(const struct ieee80211_regdomain *rd); void regulatory_update(struct wiphy *wiphy, enum nl80211_reg_initiator setby); +bool reg_last_request_cell_base(void); /** * regulatory_hint_found_beacon - hints a beacon was found on a channel -- cgit v1.2.2 From bfead0808c3b1fff3b94daceef0a0a48e73c42a9 Mon Sep 17 00:00:00 2001 From: "Luis R. Rodriguez" Date: Thu, 12 Jul 2012 11:49:19 -0700 Subject: cfg80211: rename reg_device_remove() to wiphy_regulatory_deregister() This makes it clearer what we're doing. This now makes a bit more sense given that regardless of the wiphy if the cell base station hint feature is supported we will be modifying the way the regulatory core behaves. Signed-off-by: Luis R. Rodriguez Signed-off-by: Johannes Berg --- net/wireless/core.c | 8 +++++--- net/wireless/reg.c | 2 +- net/wireless/reg.h | 2 +- 3 files changed, 7 insertions(+), 5 deletions(-) (limited to 'net') diff --git a/net/wireless/core.c b/net/wireless/core.c index c0307b05986..58485964e50 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -653,9 +653,11 @@ void wiphy_unregister(struct wiphy *wiphy) /* nothing */ cfg80211_unlock_rdev(rdev); - /* If this device got a regulatory hint tell core its - * free to listen now to a new shiny device regulatory hint */ - reg_device_remove(wiphy); + /* + * If this device got a regulatory hint tell core its + * free to listen now to a new shiny device regulatory hint + */ + wiphy_regulatory_deregister(wiphy); cfg80211_rdev_list_generation++; device_del(&rdev->wiphy.dev); diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 83583a9c15d..50604fd14cd 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -2391,7 +2391,7 @@ void wiphy_regulatory_register(struct wiphy *wiphy) } /* Caller must hold cfg80211_mutex */ -void reg_device_remove(struct wiphy *wiphy) +void wiphy_regulatory_deregister(struct wiphy *wiphy) { struct wiphy *request_wiphy = NULL; diff --git a/net/wireless/reg.h b/net/wireless/reg.h index 519492fdda3..f36b15fb459 100644 --- a/net/wireless/reg.h +++ b/net/wireless/reg.h @@ -27,7 +27,7 @@ int regulatory_hint_user(const char *alpha2, int reg_device_uevent(struct device *dev, struct kobj_uevent_env *env); void wiphy_regulatory_register(struct wiphy *wiphy); -void reg_device_remove(struct wiphy *wiphy); +void wiphy_regulatory_deregister(struct wiphy *wiphy); int __init regulatory_init(void); void regulatory_exit(void); -- cgit v1.2.2 From f8a1c774570ab50f1657083c990b968d5f7f22cb Mon Sep 17 00:00:00 2001 From: "Luis R. Rodriguez" Date: Thu, 12 Jul 2012 11:49:20 -0700 Subject: cfg80211: make regulatory_update() static Now that we have wiphy_regulatory_register() we can tuck away the core's regulatory_update() call there and make it static. Signed-off-by: Luis R. Rodriguez Signed-off-by: Johannes Berg --- net/wireless/core.c | 1 - net/wireless/reg.c | 6 ++++-- net/wireless/reg.h | 1 - 3 files changed, 4 insertions(+), 4 deletions(-) (limited to 'net') diff --git a/net/wireless/core.c b/net/wireless/core.c index 58485964e50..31b40cc4a9c 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -543,7 +543,6 @@ int wiphy_register(struct wiphy *wiphy) /* set up regulatory info */ wiphy_regulatory_register(wiphy); - regulatory_update(wiphy, NL80211_REGDOM_SET_BY_CORE); list_add_rcu(&rdev->list, &cfg80211_rdev_list); cfg80211_rdev_list_generation++; diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 50604fd14cd..be6880fd198 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -1232,8 +1232,8 @@ static void wiphy_update_regulatory(struct wiphy *wiphy, wiphy->reg_notifier(wiphy, last_request); } -void regulatory_update(struct wiphy *wiphy, - enum nl80211_reg_initiator setby) +static void regulatory_update(struct wiphy *wiphy, + enum nl80211_reg_initiator setby) { mutex_lock(®_mutex); wiphy_update_regulatory(wiphy, setby); @@ -2388,6 +2388,8 @@ void wiphy_regulatory_register(struct wiphy *wiphy) reg_num_devs_support_basehint++; mutex_unlock(®_mutex); + + regulatory_update(wiphy, NL80211_REGDOM_SET_BY_CORE); } /* Caller must hold cfg80211_mutex */ diff --git a/net/wireless/reg.h b/net/wireless/reg.h index f36b15fb459..f023c8a31c6 100644 --- a/net/wireless/reg.h +++ b/net/wireless/reg.h @@ -34,7 +34,6 @@ void regulatory_exit(void); int set_regdom(const struct ieee80211_regdomain *rd); -void regulatory_update(struct wiphy *wiphy, enum nl80211_reg_initiator setby); bool reg_last_request_cell_base(void); /** -- cgit v1.2.2 From 14cdf112019c1d4bc0f1bf9a9c832be641dbe25a Mon Sep 17 00:00:00 2001 From: "Luis R. Rodriguez" Date: Thu, 12 Jul 2012 11:49:21 -0700 Subject: cfg80211: remove regulatory_update() regulatory_update() just calls wiphy_update_regulatory(). wiphy_update_regulatory() assumes you already have the reg_mutex held so just move the call within locking context and kill the superfluous regulatory_update(). Signed-off-by: Luis R. Rodriguez Signed-off-by: Johannes Berg --- net/wireless/reg.c | 12 ++---------- 1 file changed, 2 insertions(+), 10 deletions(-) (limited to 'net') diff --git a/net/wireless/reg.c b/net/wireless/reg.c index be6880fd198..dbb01df3aac 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -1232,14 +1232,6 @@ static void wiphy_update_regulatory(struct wiphy *wiphy, wiphy->reg_notifier(wiphy, last_request); } -static void regulatory_update(struct wiphy *wiphy, - enum nl80211_reg_initiator setby) -{ - mutex_lock(®_mutex); - wiphy_update_regulatory(wiphy, setby); - mutex_unlock(®_mutex); -} - static void update_all_wiphy_regulatory(enum nl80211_reg_initiator initiator) { struct cfg80211_registered_device *rdev; @@ -2387,9 +2379,9 @@ void wiphy_regulatory_register(struct wiphy *wiphy) if (!reg_dev_ignore_cell_hint(wiphy)) reg_num_devs_support_basehint++; - mutex_unlock(®_mutex); + wiphy_update_regulatory(wiphy, NL80211_REGDOM_SET_BY_CORE); - regulatory_update(wiphy, NL80211_REGDOM_SET_BY_CORE); + mutex_unlock(®_mutex); } /* Caller must hold cfg80211_mutex */ -- cgit v1.2.2 From 88bc40e8c3d3bca7d26c756bb0b823d4abad3355 Mon Sep 17 00:00:00 2001 From: Eliad Peller Date: Thu, 12 Jul 2012 17:35:33 +0300 Subject: mac80211: go out of PS before sending disassoc on disassoc, ieee80211_set_disassoc() goes out of PS before indicating BSS_CHANGED_ASSOC (not sure why this is needed, but some drivers might count on the current behavior). However, it does it after sending the disassoc frame, which results in null-data frame being sent (in order to go out of ps) after we were already sent the disassoc, which is invalid. Fix it by going out of ps before sending the disassoc. Signed-off-by: Eliad Peller Signed-off-by: Johannes Berg --- net/mac80211/mlme.c | 17 +++++++++++------ 1 file changed, 11 insertions(+), 6 deletions(-) (limited to 'net') diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 4efcbf89a72..7c0613ce38b 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -1364,6 +1364,17 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata, } 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 + * won't be valid. + */ + if (local->hw.conf.flags & IEEE80211_CONF_PS) { + local->hw.conf.flags &= ~IEEE80211_CONF_PS; + ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); + } + local->ps_sdata = NULL; + /* flush out any pending frame (e.g. DELBA) before deauth/disassoc */ if (tx) drv_flush(local, false); @@ -1396,12 +1407,6 @@ static void ieee80211_set_disassoc(struct ieee80211_sub_if_data *sdata, del_timer_sync(&local->dynamic_ps_timer); cancel_work_sync(&local->dynamic_ps_enable_work); - if (local->hw.conf.flags & IEEE80211_CONF_PS) { - local->hw.conf.flags &= ~IEEE80211_CONF_PS; - ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); - } - local->ps_sdata = NULL; - /* Disable ARP filtering */ if (sdata->vif.bss_conf.arp_filter_enabled) { sdata->vif.bss_conf.arp_filter_enabled = false; -- cgit v1.2.2 From ebd0fd2b1a30aa836c28e758d8a57ecdfa85052f Mon Sep 17 00:00:00 2001 From: Mohammed Shafi Shajakhan Date: Wed, 18 Jul 2012 18:11:29 +0530 Subject: cfg80211: Fix mutex locking in reg_last_request_cell_base should fix the following issue [ 3229.815012] [ BUG: lock held when returning to user space! ] [ 3229.815016] 3.5.0-rc7-wl #28 Tainted: G W O [ 3229.815017] ------------------------------------------------ [ 3229.815019] wpa_supplicant/5783 is leaving the kernel with locks still held! [ 3229.815022] 1 lock held by wpa_supplicant/5783: [ 3229.815023] #0: (reg_mutex){+.+.+.}, at: [] reg_last_request_cell_base+0x1d/0x60 [cfg80211] Cc: Luis Rodriguez Signed-off-by: Mohammed Shafi Shajakhan Tested-by: Luciano Coelho Signed-off-by: Johannes Berg --- net/wireless/reg.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'net') diff --git a/net/wireless/reg.c b/net/wireless/reg.c index dbb01df3aac..2303ee73b50 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -929,11 +929,13 @@ static bool reg_request_cell_base(struct regulatory_request *request) bool reg_last_request_cell_base(void) { + bool val; assert_cfg80211_lock(); mutex_lock(®_mutex); - return reg_request_cell_base(last_request); + val = reg_request_cell_base(last_request); mutex_unlock(®_mutex); + return val; } #ifdef CONFIG_CFG80211_CERTIFICATION_ONUS -- cgit v1.2.2 From 99102bd380f27b8dd5e058e69e3203bfad0cad94 Mon Sep 17 00:00:00 2001 From: Eliad Peller Date: Wed, 18 Jul 2012 15:36:04 +0300 Subject: mac80211: flush stations before stop beaconing When AP interface is going down, the stations are flushed (in ieee80211_do_stop()) only after the beaconing was stopped. However, drivers might rely on stations being removed before the beaconing was stopped, in order to clean up properly. Fix it by flushing the stations on ap stop. (we already do the same for other interface types, e.g. in ieee80211_set_disassoc()) Signed-off-by: Eliad Peller Signed-off-by: Johannes Berg --- net/mac80211/cfg.c | 1 + 1 file changed, 1 insertion(+) (limited to 'net') diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index efbbdc8a2be..d41974aacf5 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -917,6 +917,7 @@ static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) kfree_rcu(old, rcu_head); + sta_info_flush(sdata->local, sdata); ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); return 0; -- cgit v1.2.2