From 57f5d0d1d9f8e59819cb0ab4b707364c54b5b2d1 Mon Sep 17 00:00:00 2001 From: Vinicius Costa Gomes Date: Fri, 27 Jul 2012 19:32:54 -0300 Subject: Bluetooth: Remove some functions from being exported Some connection related functions are only used inside hci_conn.c so no need to have them exported. Signed-off-by: Vinicius Costa Gomes Signed-off-by: Gustavo Padovan --- include/net/bluetooth/hci_core.h | 2 -- 1 file changed, 2 deletions(-) (limited to 'include/net') diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index 41d943926d2..7267dafd715 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -551,9 +551,7 @@ static inline struct hci_conn *hci_conn_hash_lookup_state(struct hci_dev *hdev, return NULL; } -void hci_acl_connect(struct hci_conn *conn); void hci_acl_disconn(struct hci_conn *conn, __u8 reason); -void hci_add_sco(struct hci_conn *conn, __u16 handle); void hci_setup_sync(struct hci_conn *conn, __u16 handle); void hci_sco_setup(struct hci_conn *conn, __u8 status); -- cgit v1.2.3-18-g5258 From cdcba7c6508502cddb07c84a4d14d8f624e8f168 Mon Sep 17 00:00:00 2001 From: Mikel Astiz Date: Thu, 9 Aug 2012 09:52:28 +0200 Subject: Bluetooth: Add more HCI error codes Add more HCI error codes as defined in the specification. Signed-off-by: Mikel Astiz Acked-by: Marcel Holtmann Signed-off-by: Gustavo Padovan --- include/net/bluetooth/hci.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'include/net') diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h index 23cf413e2ac..0f28f7052f8 100644 --- a/include/net/bluetooth/hci.h +++ b/include/net/bluetooth/hci.h @@ -302,8 +302,11 @@ enum { /* ---- HCI Error Codes ---- */ #define HCI_ERROR_AUTH_FAILURE 0x05 +#define HCI_ERROR_CONNECTION_TIMEOUT 0x08 #define HCI_ERROR_REJ_BAD_ADDR 0x0f #define HCI_ERROR_REMOTE_USER_TERM 0x13 +#define HCI_ERROR_REMOTE_LOW_RESOURCES 0x14 +#define HCI_ERROR_REMOTE_POWER_OFF 0x15 #define HCI_ERROR_LOCAL_HOST_TERM 0x16 #define HCI_ERROR_PAIRING_NOT_ALLOWED 0x18 -- cgit v1.2.3-18-g5258 From f0d6a0ea330617454032d6e2ed48759858a44427 Mon Sep 17 00:00:00 2001 From: Mikel Astiz Date: Thu, 9 Aug 2012 09:52:30 +0200 Subject: Bluetooth: mgmt: Add device disconnect reason MGMT_EV_DEVICE_DISCONNECTED will now expose the disconnection reason to userland, distinguishing four possible values: 0x00 Reason not known or unspecified 0x01 Connection timeout 0x02 Connection terminated by local host 0x03 Connection terminated by remote host Note that the local/remote distinction just determines which side terminated the low-level connection, regardless of the disconnection of the higher-level profiles. This can sometimes be misleading and thus must be used with care. For example, some hardware combinations would report a locally initiated disconnection even if the user turned Bluetooth off in the remote side. Signed-off-by: Mikel Astiz Acked-by: Marcel Holtmann Signed-off-by: Gustavo Padovan --- include/net/bluetooth/hci_core.h | 2 +- include/net/bluetooth/mgmt.h | 9 +++++++++ 2 files changed, 10 insertions(+), 1 deletion(-) (limited to 'include/net') diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index 7267dafd715..1bbc1091748 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -1002,7 +1002,7 @@ int mgmt_device_connected(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, u8 addr_type, u32 flags, u8 *name, u8 name_len, u8 *dev_class); int mgmt_device_disconnected(struct hci_dev *hdev, bdaddr_t *bdaddr, - u8 link_type, u8 addr_type); + u8 link_type, u8 addr_type, u8 reason); int mgmt_disconnect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, u8 addr_type, u8 status); int mgmt_connect_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, diff --git a/include/net/bluetooth/mgmt.h b/include/net/bluetooth/mgmt.h index 4348ee8bda6..1b48effcd97 100644 --- a/include/net/bluetooth/mgmt.h +++ b/include/net/bluetooth/mgmt.h @@ -405,7 +405,16 @@ struct mgmt_ev_device_connected { __u8 eir[0]; } __packed; +#define MGMT_DEV_DISCONN_UNKNOWN 0x00 +#define MGMT_DEV_DISCONN_TIMEOUT 0x01 +#define MGMT_DEV_DISCONN_LOCAL_HOST 0x02 +#define MGMT_DEV_DISCONN_REMOTE 0x03 + #define MGMT_EV_DEVICE_DISCONNECTED 0x000C +struct mgmt_ev_device_disconnected { + struct mgmt_addr_info addr; + __u8 reason; +} __packed; #define MGMT_EV_CONNECT_FAILED 0x000D struct mgmt_ev_connect_failed { -- cgit v1.2.3-18-g5258 From 144ad33020a0af66fbb188ef3f13ca91c5326a69 Mon Sep 17 00:00:00 2001 From: Syam Sidhardhan Date: Fri, 27 Jul 2012 23:51:21 +0530 Subject: Bluetooth: Use kref for l2cap channel reference counting This patch changes the struct l2cap_chan and associated code to use kref api for object refcounting and freeing. Suggested-by: Andrei Emeltchenko Signed-off-by: Jaganath Kanakkassery Signed-off-by: Syam Sidhardhan Signed-off-by: Gustavo Padovan --- include/net/bluetooth/l2cap.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'include/net') diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h index d206296137e..7ed8e356425 100644 --- a/include/net/bluetooth/l2cap.h +++ b/include/net/bluetooth/l2cap.h @@ -433,11 +433,10 @@ struct l2cap_chan { struct sock *sk; struct l2cap_conn *conn; + struct kref kref; __u8 state; - atomic_t refcnt; - __le16 psm; __u16 dcid; __u16 scid; -- cgit v1.2.3-18-g5258 From 6b536b5e5e1da32f3ba1e3f42c7bf2f80d37dc6b Mon Sep 17 00:00:00 2001 From: Andrei Emeltchenko Date: Fri, 31 Aug 2012 16:39:28 +0300 Subject: Bluetooth: Remove unneeded zero init hdev is allocated with kzalloc so zero initialization is not needed. Signed-off-by: Andrei Emeltchenko Acked-by: Marcel Holtmann Signed-off-by: Gustavo Padovan --- include/net/bluetooth/hci_core.h | 9 --------- 1 file changed, 9 deletions(-) (limited to 'include/net') diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index 1bbc1091748..fa807a3fd23 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -428,15 +428,6 @@ static inline bool hci_conn_ssp_enabled(struct hci_conn *conn) test_bit(HCI_CONN_SSP_ENABLED, &conn->flags); } -static inline void hci_conn_hash_init(struct hci_dev *hdev) -{ - struct hci_conn_hash *h = &hdev->conn_hash; - INIT_LIST_HEAD(&h->list); - h->acl_num = 0; - h->sco_num = 0; - h->le_num = 0; -} - static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) { struct hci_conn_hash *h = &hdev->conn_hash; -- cgit v1.2.3-18-g5258 From 9472007c62ecc8f21daa2e1e252bf73b67e535fc Mon Sep 17 00:00:00 2001 From: Andrei Emeltchenko Date: Thu, 6 Sep 2012 15:05:43 +0300 Subject: Bluetooth: trivial: Make hci_chan_del return void Return code is not needed in hci_chan_del Signed-off-by: Andrei Emeltchenko Signed-off-by: Gustavo Padovan --- include/net/bluetooth/hci_core.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'include/net') diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index fa807a3fd23..4704ca4b876 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -552,7 +552,7 @@ void hci_conn_hash_flush(struct hci_dev *hdev); void hci_conn_check_pending(struct hci_dev *hdev); struct hci_chan *hci_chan_create(struct hci_conn *conn); -int hci_chan_del(struct hci_chan *chan); +void hci_chan_del(struct hci_chan *chan); void hci_chan_list_flush(struct hci_conn *conn); struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, -- cgit v1.2.3-18-g5258 From 376261ae3627b03574994496f70f95d5538795d5 Mon Sep 17 00:00:00 2001 From: Andrei Emeltchenko Date: Thu, 6 Sep 2012 15:05:45 +0300 Subject: Bluetooth: debug: Print refcnt for hci_dev Add debug output for HCI kref. Signed-off-by: Andrei Emeltchenko Signed-off-by: Gustavo Padovan --- include/net/bluetooth/hci_core.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'include/net') diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index 4704ca4b876..6a3337e9c42 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -603,11 +603,17 @@ static inline void hci_conn_put(struct hci_conn *conn) /* ----- HCI Devices ----- */ static inline void hci_dev_put(struct hci_dev *d) { + BT_DBG("%s orig refcnt %d", d->name, + atomic_read(&d->dev.kobj.kref.refcount)); + put_device(&d->dev); } static inline struct hci_dev *hci_dev_hold(struct hci_dev *d) { + BT_DBG("%s orig refcnt %d", d->name, + atomic_read(&d->dev.kobj.kref.refcount)); + get_device(&d->dev); return d; } -- cgit v1.2.3-18-g5258 From e548c49e6dc6b08b59042930a2e90c69c13c9293 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Tue, 4 Sep 2012 17:08:23 +0200 Subject: mac80211: add key flag for management keys Mark keys that might be used to receive management frames so drivers can fall back on software crypto for them if they don't support hardware offload. As the new flag is only set correctly for RX keys and the existing IEEE80211_KEY_FLAG_SW_MGMT flag can only affect TX, also rename the latter to IEEE80211_KEY_FLAG_SW_MGMT_TX. Signed-off-by: Johannes Berg --- include/net/mac80211.h | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) (limited to 'include/net') diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 71f8262fc1d..82558c8decf 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -973,21 +973,29 @@ static inline bool ieee80211_vif_is_mesh(struct ieee80211_vif *vif) * generation in software. * @IEEE80211_KEY_FLAG_PAIRWISE: Set by mac80211, this flag indicates * that the key is pairwise rather then a shared key. - * @IEEE80211_KEY_FLAG_SW_MGMT: This flag should be set by the driver for a + * @IEEE80211_KEY_FLAG_SW_MGMT_TX: This flag should be set by the driver for a * CCMP key if it requires CCMP encryption of management frames (MFP) to * be done in software. * @IEEE80211_KEY_FLAG_PUT_IV_SPACE: This flag should be set by the driver * if space should be prepared for the IV, but the IV * itself should not be generated. Do not set together with * @IEEE80211_KEY_FLAG_GENERATE_IV on the same key. + * @IEEE80211_KEY_FLAG_RX_MGMT: This key will be used to decrypt received + * management frames. The flag can help drivers that have a hardware + * crypto implementation that doesn't deal with management frames + * properly by allowing them to not upload the keys to hardware and + * fall back to software crypto. Note that this flag deals only with + * RX, if your crypto engine can't deal with TX you can also set the + * %IEEE80211_KEY_FLAG_SW_MGMT_TX flag to encrypt such frames in SW. */ enum ieee80211_key_flags { IEEE80211_KEY_FLAG_WMM_STA = 1<<0, IEEE80211_KEY_FLAG_GENERATE_IV = 1<<1, IEEE80211_KEY_FLAG_GENERATE_MMIC= 1<<2, IEEE80211_KEY_FLAG_PAIRWISE = 1<<3, - IEEE80211_KEY_FLAG_SW_MGMT = 1<<4, + IEEE80211_KEY_FLAG_SW_MGMT_TX = 1<<4, IEEE80211_KEY_FLAG_PUT_IV_SPACE = 1<<5, + IEEE80211_KEY_FLAG_RX_MGMT = 1<<6, }; /** -- cgit v1.2.3-18-g5258 From 30d08a46ea2a4e44bc1a1f15f243af29c9150282 Mon Sep 17 00:00:00 2001 From: Arend van Spriel Date: Tue, 18 Sep 2012 10:59:59 +0200 Subject: cfg80211: remove obsolete comment for .sched_scan_stop() callback The kerneldoc comment for .sched_scan_stop() callback describes a driver_initiated flag, but the interface does not hold such a flag. Reviewed-by: Franky (Zhenhui) Lin Reviewed-by: Hante Meuleman Signed-off-by: Arend van Spriel Signed-off-by: Johannes Berg --- include/net/cfg80211.h | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'include/net') diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 903683b1e5b..1a3fe9ae4c4 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -1580,9 +1580,7 @@ struct cfg80211_gtk_rekey_data { * @set_cqm_txe_config: Configure connection quality monitor TX error * thresholds. * @sched_scan_start: Tell the driver to start a scheduled scan. - * @sched_scan_stop: Tell the driver to stop an ongoing scheduled - * scan. The driver_initiated flag specifies whether the driver - * itself has informed that the scan has stopped. + * @sched_scan_stop: Tell the driver to stop an ongoing scheduled scan. * * @mgmt_frame_register: Notify driver that a management frame type was * registered. Note that this callback may not sleep, and cannot run -- cgit v1.2.3-18-g5258 From ed44a951c72ab409f932b1c15914488308e86da2 Mon Sep 17 00:00:00 2001 From: Pandiyarajan Pitchaimuthu Date: Tue, 18 Sep 2012 16:50:49 +0530 Subject: cfg80211/nl80211: Notify connection request failure in AP mode In AP mode, when a station requests connection to an AP and if the request is failed for particular reason, userspace is notified about the failure through NL80211_CMD_CONN_FAILED command. Reason for the failure is sent through the attribute NL80211_ATTR_CONN_FAILED_REASON. Signed-off-by: Pandiyarajan Pitchaimuthu Signed-off-by: Johannes Berg --- include/net/cfg80211.h | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) (limited to 'include/net') diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 1a3fe9ae4c4..80051ffc275 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -3360,6 +3360,25 @@ void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr, */ void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp); +/** + * cfg80211_conn_failed - connection request failed notification + * + * @dev: the netdev + * @mac_addr: the station's address + * @reason: the reason for connection failure + * @gfp: allocation flags + * + * Whenever a station tries to connect to an AP and if the station + * could not connect to the AP as the AP has rejected the connection + * for some reasons, this function is called. + * + * The reason for connection failure can be any of the value from + * nl80211_connect_failed_reason enum + */ +void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr, + enum nl80211_connect_failed_reason reason, + gfp_t gfp); + /** * cfg80211_rx_mgmt - notification of received, unprocessed management frame * @wdev: wireless device receiving the frame -- cgit v1.2.3-18-g5258 From 92a25256f142d55e25f9959441cea6ddeabae57e Mon Sep 17 00:00:00 2001 From: Johan Hedberg Date: Thu, 6 Sep 2012 18:39:26 +0300 Subject: Bluetooth: mgmt: Implement support for passkey notification This patch adds support for Secure Simple Pairing with devices that have KeyboardOnly as their IO capability. Such devices will cause a passkey notification on our side and optionally also keypress notifications. Without this patch some keyboards cannot be paired using the mgmt interface. Signed-off-by: Johan Hedberg Cc: stable@vger.kernel.org Acked-by: Marcel Holtmann Signed-off-by: Gustavo Padovan --- include/net/bluetooth/hci.h | 18 ++++++++++++++++++ include/net/bluetooth/hci_core.h | 5 +++++ include/net/bluetooth/mgmt.h | 7 +++++++ 3 files changed, 30 insertions(+) (limited to 'include/net') diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h index 0f28f7052f8..76b2b6bdcf3 100644 --- a/include/net/bluetooth/hci.h +++ b/include/net/bluetooth/hci.h @@ -1249,6 +1249,24 @@ struct hci_ev_simple_pair_complete { bdaddr_t bdaddr; } __packed; +#define HCI_EV_USER_PASSKEY_NOTIFY 0x3b +struct hci_ev_user_passkey_notify { + bdaddr_t bdaddr; + __le32 passkey; +} __packed; + +#define HCI_KEYPRESS_STARTED 0 +#define HCI_KEYPRESS_ENTERED 1 +#define HCI_KEYPRESS_ERASED 2 +#define HCI_KEYPRESS_CLEARED 3 +#define HCI_KEYPRESS_COMPLETED 4 + +#define HCI_EV_KEYPRESS_NOTIFY 0x3c +struct hci_ev_keypress_notify { + bdaddr_t bdaddr; + __u8 type; +} __packed; + #define HCI_EV_REMOTE_HOST_FEATURES 0x3d struct hci_ev_remote_host_features { bdaddr_t bdaddr; diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index 6a3337e9c42..e7d45460988 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -303,6 +303,8 @@ struct hci_conn { __u8 pin_length; __u8 enc_key_size; __u8 io_capability; + __u32 passkey_notify; + __u8 passkey_entered; __u16 disc_timeout; unsigned long flags; @@ -1022,6 +1024,9 @@ int mgmt_user_passkey_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, u8 addr_type, u8 status); int mgmt_user_passkey_neg_reply_complete(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, u8 addr_type, u8 status); +int mgmt_user_passkey_notify(struct hci_dev *hdev, bdaddr_t *bdaddr, + u8 link_type, u8 addr_type, u32 passkey, + u8 entered); int mgmt_auth_failed(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 link_type, u8 addr_type, u8 status); int mgmt_auth_enable_complete(struct hci_dev *hdev, u8 status); diff --git a/include/net/bluetooth/mgmt.h b/include/net/bluetooth/mgmt.h index 1b48effcd97..22980a7c387 100644 --- a/include/net/bluetooth/mgmt.h +++ b/include/net/bluetooth/mgmt.h @@ -478,3 +478,10 @@ struct mgmt_ev_device_unblocked { struct mgmt_ev_device_unpaired { struct mgmt_addr_info addr; } __packed; + +#define MGMT_EV_PASSKEY_NOTIFY 0x0017 +struct mgmt_ev_passkey_notify { + struct mgmt_addr_info addr; + __le32 passkey; + __u8 entered; +} __packed; -- cgit v1.2.3-18-g5258 From 552bff0c2fec8953ba3793d75ee335032cc0b47c Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Wed, 19 Sep 2012 09:26:06 +0200 Subject: cfg80211: constify name parameter to add_virtual_intf The name can't be modified by the driver, make it const. Signed-off-by: Johannes Berg --- include/net/cfg80211.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'include/net') diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 80051ffc275..ab78b53bd6f 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -1628,7 +1628,7 @@ struct cfg80211_ops { void (*set_wakeup)(struct wiphy *wiphy, bool enabled); struct wireless_dev * (*add_virtual_intf)(struct wiphy *wiphy, - char *name, + const char *name, enum nl80211_iftype type, u32 *flags, struct vif_params *params); -- cgit v1.2.3-18-g5258 From 7e0352306f6869b442a574a8e691f126c9fe930a Mon Sep 17 00:00:00 2001 From: Ilan Elias Date: Wed, 15 Aug 2012 11:46:22 +0300 Subject: NFC: Set local general bytes in nci_start_poll If initiator protocol is NFC-DEP, set the local general bytes in nci_start_poll. Signed-off-by: Ilan Elias Signed-off-by: Samuel Ortiz --- include/net/nfc/nci.h | 23 +++++++++++++++++++++++ include/net/nfc/nci_core.h | 1 + 2 files changed, 24 insertions(+) (limited to 'include/net') diff --git a/include/net/nfc/nci.h b/include/net/nfc/nci.h index 276094b91d7..d260ef3629d 100644 --- a/include/net/nfc/nci.h +++ b/include/net/nfc/nci.h @@ -32,6 +32,7 @@ #define NCI_MAX_NUM_MAPPING_CONFIGS 10 #define NCI_MAX_NUM_RF_CONFIGS 10 #define NCI_MAX_NUM_CONN 10 +#define NCI_MAX_PARAM_LEN 251 /* NCI Status Codes */ #define NCI_STATUS_OK 0x00 @@ -102,6 +103,9 @@ #define NCI_RF_INTERFACE_ISO_DEP 0x02 #define NCI_RF_INTERFACE_NFC_DEP 0x03 +/* NCI Configuration Parameter Tags */ +#define NCI_PN_ATR_REQ_GEN_BYTES 0x29 + /* NCI Reset types */ #define NCI_RESET_TYPE_KEEP_CONFIG 0x00 #define NCI_RESET_TYPE_RESET_CONFIG 0x01 @@ -188,6 +192,18 @@ struct nci_core_reset_cmd { #define NCI_OP_CORE_INIT_CMD nci_opcode_pack(NCI_GID_CORE, 0x01) +#define NCI_OP_CORE_SET_CONFIG_CMD nci_opcode_pack(NCI_GID_CORE, 0x02) +struct set_config_param { + __u8 id; + __u8 len; + __u8 val[NCI_MAX_PARAM_LEN]; +} __packed; + +struct nci_core_set_config_cmd { + __u8 num_params; + struct set_config_param param; /* support 1 param per cmd is enough */ +} __packed; + #define NCI_OP_RF_DISCOVER_MAP_CMD nci_opcode_pack(NCI_GID_RF_MGMT, 0x00) struct disc_map_config { __u8 rf_protocol; @@ -252,6 +268,13 @@ struct nci_core_init_rsp_2 { __le32 manufact_specific_info; } __packed; +#define NCI_OP_CORE_SET_CONFIG_RSP nci_opcode_pack(NCI_GID_CORE, 0x02) +struct nci_core_set_config_rsp { + __u8 status; + __u8 num_params; + __u8 params_id[0]; /* variable size array */ +} __packed; + #define NCI_OP_RF_DISCOVER_MAP_RSP nci_opcode_pack(NCI_GID_RF_MGMT, 0x00) #define NCI_OP_RF_DISCOVER_RSP nci_opcode_pack(NCI_GID_RF_MGMT, 0x03) diff --git a/include/net/nfc/nci_core.h b/include/net/nfc/nci_core.h index feba74027ff..f98674d7baf 100644 --- a/include/net/nfc/nci_core.h +++ b/include/net/nfc/nci_core.h @@ -54,6 +54,7 @@ enum nci_state { /* NCI timeouts */ #define NCI_RESET_TIMEOUT 5000 #define NCI_INIT_TIMEOUT 5000 +#define NCI_SET_CONFIG_TIMEOUT 5000 #define NCI_RF_DISC_TIMEOUT 5000 #define NCI_RF_DISC_SELECT_TIMEOUT 5000 #define NCI_RF_DEACTIVATE_TIMEOUT 30000 -- cgit v1.2.3-18-g5258 From ac206838403411e617dbe0e7df1891ee957f1f9a Mon Sep 17 00:00:00 2001 From: Ilan Elias Date: Wed, 15 Aug 2012 11:46:23 +0300 Subject: NFC: Parse NCI NFC-DEP activation params Signed-off-by: Ilan Elias Signed-off-by: Samuel Ortiz --- include/net/nfc/nci.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'include/net') diff --git a/include/net/nfc/nci.h b/include/net/nfc/nci.h index d260ef3629d..88785e5c6b2 100644 --- a/include/net/nfc/nci.h +++ b/include/net/nfc/nci.h @@ -351,6 +351,11 @@ struct activation_params_nfcb_poll_iso_dep { __u8 attrib_res[50]; }; +struct activation_params_poll_nfc_dep { + __u8 atr_res_len; + __u8 atr_res[63]; +}; + struct nci_rf_intf_activated_ntf { __u8 rf_discovery_id; __u8 rf_interface; @@ -374,6 +379,7 @@ struct nci_rf_intf_activated_ntf { union { struct activation_params_nfca_poll_iso_dep nfca_poll_iso_dep; struct activation_params_nfcb_poll_iso_dep nfcb_poll_iso_dep; + struct activation_params_poll_nfc_dep poll_nfc_dep; } activation_params; } __packed; -- cgit v1.2.3-18-g5258 From 767f19ae698e535f308663c48245fa951abebe20 Mon Sep 17 00:00:00 2001 From: Ilan Elias Date: Wed, 15 Aug 2012 11:46:24 +0300 Subject: NFC: Implement NCI dep_link_up and dep_link_down During NFC-DEP target activation, store the remote general bytes to be used later in dep_link_up. When dep_link_up is called, activate the NFC-DEP target, and forward the remote general bytes. When dep_link_down is called, deactivate the target. Signed-off-by: Ilan Elias Signed-off-by: Samuel Ortiz --- include/net/nfc/nci_core.h | 4 ++++ include/net/nfc/nfc.h | 1 + 2 files changed, 5 insertions(+) (limited to 'include/net') diff --git a/include/net/nfc/nci_core.h b/include/net/nfc/nci_core.h index f98674d7baf..d705d867494 100644 --- a/include/net/nfc/nci_core.h +++ b/include/net/nfc/nci_core.h @@ -138,6 +138,10 @@ struct nci_dev { data_exchange_cb_t data_exchange_cb; void *data_exchange_cb_context; struct sk_buff *rx_data_reassembly; + + /* stored during intf_activated_ntf */ + __u8 remote_gb[NFC_MAX_GT_LEN]; + __u8 remote_gb_len; }; /* ----- NCI Devices ----- */ diff --git a/include/net/nfc/nfc.h b/include/net/nfc/nfc.h index 6431f5e3902..7b9f71fa0ea 100644 --- a/include/net/nfc/nfc.h +++ b/include/net/nfc/nfc.h @@ -72,6 +72,7 @@ struct nfc_ops { #define NFC_TARGET_IDX_ANY -1 #define NFC_MAX_GT_LEN 48 +#define NFC_ATR_RES_GT_OFFSET 15 struct nfc_target { u32 idx; -- cgit v1.2.3-18-g5258 From 474fee3db16c63bc440bfb93b57f72ecfc4246f0 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Wed, 22 Aug 2012 16:22:16 -0700 Subject: NFC: Use system_nrt_wq instead of custom ones NFC is using a number of custom ordered workqueues w/ WQ_MEM_RECLAIM. WQ_MEM_RECLAIM is unnecessary unless NFC is gonna be used as transport for storage device, and all use cases match one work item to one ordered workqueue - IOW, there's no actual ordering going on at all and using system_nrt_wq gives the same behavior. There's nothing to be gained by using custom workqueues. Use system_nrt_wq instead and drop all the custom ones. Signed-off-by: Tejun Heo Signed-off-by: Samuel Ortiz --- include/net/nfc/hci.h | 2 -- include/net/nfc/nfc.h | 1 - include/net/nfc/shdlc.h | 1 - 3 files changed, 4 deletions(-) (limited to 'include/net') diff --git a/include/net/nfc/hci.h b/include/net/nfc/hci.h index f5169b04f08..6f065d563ec 100644 --- a/include/net/nfc/hci.h +++ b/include/net/nfc/hci.h @@ -74,7 +74,6 @@ struct nfc_hci_dev { struct list_head msg_tx_queue; - struct workqueue_struct *msg_tx_wq; struct work_struct msg_tx_work; struct timer_list cmd_timer; @@ -82,7 +81,6 @@ struct nfc_hci_dev { struct sk_buff_head rx_hcp_frags; - struct workqueue_struct *msg_rx_wq; struct work_struct msg_rx_work; struct sk_buff_head msg_rx_queue; diff --git a/include/net/nfc/nfc.h b/include/net/nfc/nfc.h index 7b9f71fa0ea..bfbac732d8c 100644 --- a/include/net/nfc/nfc.h +++ b/include/net/nfc/nfc.h @@ -113,7 +113,6 @@ struct nfc_dev { int tx_tailroom; struct timer_list check_pres_timer; - struct workqueue_struct *check_pres_wq; struct work_struct check_pres_work; struct nfc_ops *ops; diff --git a/include/net/nfc/shdlc.h b/include/net/nfc/shdlc.h index 35e930d2f63..34242736298 100644 --- a/include/net/nfc/shdlc.h +++ b/include/net/nfc/shdlc.h @@ -79,7 +79,6 @@ struct nfc_shdlc { struct sk_buff_head ack_pending_q; - struct workqueue_struct *sm_wq; struct work_struct sm_work; struct nfc_shdlc_ops *ops; -- cgit v1.2.3-18-g5258 From e4c4789e55327e5f2bd6cafcccd46f9b6251bbc3 Mon Sep 17 00:00:00 2001 From: Eric Lapuyade Date: Tue, 11 Sep 2012 10:42:54 +0200 Subject: NFC: Add a public nfc_hci_send_cmd_async method This method initiates execution of an HCI cmd. Result will be delivered through an asynchronous callback. Signed-off-by: Eric Lapuyade Signed-off-by: Samuel Ortiz --- include/net/nfc/hci.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'include/net') diff --git a/include/net/nfc/hci.h b/include/net/nfc/hci.h index 6f065d563ec..54ba2caab4a 100644 --- a/include/net/nfc/hci.h +++ b/include/net/nfc/hci.h @@ -200,6 +200,9 @@ int nfc_hci_set_param(struct nfc_hci_dev *hdev, u8 gate, u8 idx, const u8 *param, size_t param_len); int nfc_hci_send_cmd(struct nfc_hci_dev *hdev, u8 gate, u8 cmd, const u8 *param, size_t param_len, struct sk_buff **skb); +int nfc_hci_send_cmd_async(struct nfc_hci_dev *hdev, u8 gate, u8 cmd, + const u8 *param, size_t param_len, + data_exchange_cb_t cb, void *cb_context); int nfc_hci_send_response(struct nfc_hci_dev *hdev, u8 gate, u8 response, const u8 *param, size_t param_len); int nfc_hci_send_event(struct nfc_hci_dev *hdev, u8 gate, u8 event, -- cgit v1.2.3-18-g5258 From f3e8fb552789f4845e60b11c47b676d14b9488e5 Mon Sep 17 00:00:00 2001 From: Eric Lapuyade Date: Tue, 11 Sep 2012 10:43:50 +0200 Subject: NFC: Modified hci_transceive to become an asynchronous operation This enables the completion callback to be called from a different context, preventing a possible deadlock if the callback resulted in the invocation of a nested call to the currently locked nfc_dev. This is also more in line with the im_transceive nfc_ops for NFC Core or NCI drivers which already behave asynchronously. Signed-off-by: Eric Lapuyade Signed-off-by: Samuel Ortiz --- include/net/nfc/hci.h | 8 ++++++-- include/net/nfc/shdlc.h | 4 ++-- 2 files changed, 8 insertions(+), 4 deletions(-) (limited to 'include/net') diff --git a/include/net/nfc/hci.h b/include/net/nfc/hci.h index 54ba2caab4a..6cee6e21fc4 100644 --- a/include/net/nfc/hci.h +++ b/include/net/nfc/hci.h @@ -38,8 +38,8 @@ struct nfc_hci_ops { int (*complete_target_discovered) (struct nfc_hci_dev *hdev, u8 gate, struct nfc_target *target); int (*data_exchange) (struct nfc_hci_dev *hdev, - struct nfc_target *target, - struct sk_buff *skb, struct sk_buff **res_skb); + struct nfc_target *target, struct sk_buff *skb, + data_exchange_cb_t cb, void *cb_context); int (*check_presence)(struct nfc_hci_dev *hdev, struct nfc_target *target); }; @@ -103,6 +103,10 @@ struct nfc_hci_dev { u8 hw_mpw; u8 hw_software; u8 hw_bsid; + + int async_cb_type; + data_exchange_cb_t async_cb; + void *async_cb_context; }; /* hci device allocation */ diff --git a/include/net/nfc/shdlc.h b/include/net/nfc/shdlc.h index 34242736298..fe5e1982935 100644 --- a/include/net/nfc/shdlc.h +++ b/include/net/nfc/shdlc.h @@ -34,8 +34,8 @@ struct nfc_shdlc_ops { int (*complete_target_discovered) (struct nfc_shdlc *shdlc, u8 gate, struct nfc_target *target); int (*data_exchange) (struct nfc_shdlc *shdlc, - struct nfc_target *target, - struct sk_buff *skb, struct sk_buff **res_skb); + struct nfc_target *target, struct sk_buff *skb, + data_exchange_cb_t cb, void *cb_context); int (*check_presence)(struct nfc_shdlc *shdlc, struct nfc_target *target); }; -- cgit v1.2.3-18-g5258 From 67cccfe17d1b3da1ed6c79e643c9be95ebde9642 Mon Sep 17 00:00:00 2001 From: Eric Lapuyade Date: Thu, 13 Sep 2012 17:10:00 +0200 Subject: NFC: Add an LLC Core layer to HCI The LLC layer manages modules that control the link layer protocol (such as shdlc) between HCI and an HCI driver. The driver must simply specify the required llc when it registers with HCI. Signed-off-by: Eric Lapuyade Signed-off-by: Samuel Ortiz --- include/net/nfc/llc.h | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 include/net/nfc/llc.h (limited to 'include/net') diff --git a/include/net/nfc/llc.h b/include/net/nfc/llc.h new file mode 100644 index 00000000000..98df903f8b7 --- /dev/null +++ b/include/net/nfc/llc.h @@ -0,0 +1,51 @@ +/* + * Link Layer Control manager public interface + * + * Copyright (C) 2012 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the + * Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + */ + +#ifndef __NFC_LLC_H_ +#define __NFC_LLC_H_ + +#include +#include + +typedef void (*rcv_to_hci_t) (struct nfc_hci_dev *hdev, struct sk_buff *skb); +typedef int (*xmit_to_drv_t) (struct nfc_hci_dev *hdev, struct sk_buff *skb); +typedef void (*llc_failure_t) (struct nfc_hci_dev *hdev, int err); + +struct nfc_llc; + +struct nfc_llc *nfc_llc_allocate(const char *name, struct nfc_hci_dev *hdev, + xmit_to_drv_t xmit_to_drv, + rcv_to_hci_t rcv_to_hci, int tx_headroom, + int tx_tailroom, llc_failure_t llc_failure); +void nfc_llc_free(struct nfc_llc *llc); + +void nfc_llc_get_rx_head_tail_room(struct nfc_llc *llc, int *rx_headroom, + int *rx_tailroom); + + +int nfc_llc_start(struct nfc_llc *llc); +int nfc_llc_stop(struct nfc_llc *llc); +void nfc_llc_rcv_from_drv(struct nfc_llc *llc, struct sk_buff *skb); +int nfc_llc_xmit_from_hci(struct nfc_llc *llc, struct sk_buff *skb); + +int nfc_llc_init(void); +void nfc_llc_exit(void); + +#endif /* __NFC_LLC_H_ */ -- cgit v1.2.3-18-g5258 From 8af00d48dc929442644bf68e9cd3d951d9697296 Mon Sep 17 00:00:00 2001 From: Eric Lapuyade Date: Thu, 13 Sep 2012 17:10:48 +0200 Subject: NFC: Add a nop (passthrough) llc module to llc core This is a passthrough llc. It can be used by HCI drivers that don't need link layer control. HCI will then write directly to the driver, and driver will deliver incoming frames directly to HCI without any processing. Signed-off-by: Eric Lapuyade Signed-off-by: Samuel Ortiz --- include/net/nfc/llc.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include/net') diff --git a/include/net/nfc/llc.h b/include/net/nfc/llc.h index 98df903f8b7..146e053f91e 100644 --- a/include/net/nfc/llc.h +++ b/include/net/nfc/llc.h @@ -24,6 +24,8 @@ #include #include +#define LLC_NOP_NAME "nop" + typedef void (*rcv_to_hci_t) (struct nfc_hci_dev *hdev, struct sk_buff *skb); typedef int (*xmit_to_drv_t) (struct nfc_hci_dev *hdev, struct sk_buff *skb); typedef void (*llc_failure_t) (struct nfc_hci_dev *hdev, int err); -- cgit v1.2.3-18-g5258 From 4a61cd6687fc6348d08724676d34e38160d6cf9b Mon Sep 17 00:00:00 2001 From: Eric Lapuyade Date: Thu, 13 Sep 2012 17:11:37 +0200 Subject: NFC: Add an shdlc llc module to llc core This is used by HCI drivers such as the one for the pn544 which require communications between HCI and the chip to use shdlc. Signed-off-by: Eric Lapuyade Signed-off-by: Samuel Ortiz --- include/net/nfc/llc.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include/net') diff --git a/include/net/nfc/llc.h b/include/net/nfc/llc.h index 146e053f91e..400ab7ae749 100644 --- a/include/net/nfc/llc.h +++ b/include/net/nfc/llc.h @@ -25,6 +25,7 @@ #include #define LLC_NOP_NAME "nop" +#define LLC_SHDLC_NAME "shdlc" typedef void (*rcv_to_hci_t) (struct nfc_hci_dev *hdev, struct sk_buff *skb); typedef int (*xmit_to_drv_t) (struct nfc_hci_dev *hdev, struct sk_buff *skb); -- cgit v1.2.3-18-g5258 From 412fda538f4b1317ecd0fbe6e5bc9124792bea88 Mon Sep 17 00:00:00 2001 From: Eric Lapuyade Date: Tue, 18 Sep 2012 19:45:48 +0200 Subject: NFC: Changed HCI and PN544 HCI driver to use the new HCI LLC Core The previous shdlc HCI driver and its header are removed from the tree. PN544 now registers directly with HCI and passes the name of the llc it requires (shdlc). HCI instantiation now allocates the required llc instance. The llc is started when the HCI device is brought up. Signed-off-by: Eric Lapuyade Signed-off-by: Samuel Ortiz --- include/net/nfc/hci.h | 3 ++ include/net/nfc/shdlc.h | 106 ------------------------------------------------ 2 files changed, 3 insertions(+), 106 deletions(-) delete mode 100644 include/net/nfc/shdlc.h (limited to 'include/net') diff --git a/include/net/nfc/hci.h b/include/net/nfc/hci.h index 6cee6e21fc4..9b5ed2d94d6 100644 --- a/include/net/nfc/hci.h +++ b/include/net/nfc/hci.h @@ -87,6 +87,8 @@ struct nfc_hci_dev { struct nfc_hci_ops *ops; + struct nfc_llc *llc; + struct nfc_hci_init_data init_data; void *clientdata; @@ -113,6 +115,7 @@ struct nfc_hci_dev { struct nfc_hci_dev *nfc_hci_allocate_device(struct nfc_hci_ops *ops, struct nfc_hci_init_data *init_data, u32 protocols, + const char *llc_name, int tx_headroom, int tx_tailroom, int max_link_payload); diff --git a/include/net/nfc/shdlc.h b/include/net/nfc/shdlc.h deleted file mode 100644 index fe5e1982935..00000000000 --- a/include/net/nfc/shdlc.h +++ /dev/null @@ -1,106 +0,0 @@ -/* - * Copyright (C) 2012 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the - * Free Software Foundation, Inc., - * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#ifndef __NFC_SHDLC_H -#define __NFC_SHDLC_H - -struct nfc_shdlc; - -struct nfc_shdlc_ops { - int (*open) (struct nfc_shdlc *shdlc); - void (*close) (struct nfc_shdlc *shdlc); - int (*hci_ready) (struct nfc_shdlc *shdlc); - int (*xmit) (struct nfc_shdlc *shdlc, struct sk_buff *skb); - int (*start_poll) (struct nfc_shdlc *shdlc, - u32 im_protocols, u32 tm_protocols); - int (*target_from_gate) (struct nfc_shdlc *shdlc, u8 gate, - struct nfc_target *target); - int (*complete_target_discovered) (struct nfc_shdlc *shdlc, u8 gate, - struct nfc_target *target); - int (*data_exchange) (struct nfc_shdlc *shdlc, - struct nfc_target *target, struct sk_buff *skb, - data_exchange_cb_t cb, void *cb_context); - int (*check_presence)(struct nfc_shdlc *shdlc, - struct nfc_target *target); -}; - -enum shdlc_state { - SHDLC_DISCONNECTED = 0, - SHDLC_CONNECTING = 1, - SHDLC_NEGOCIATING = 2, - SHDLC_CONNECTED = 3 -}; - -struct nfc_shdlc { - struct mutex state_mutex; - enum shdlc_state state; - int hard_fault; - - struct nfc_hci_dev *hdev; - - wait_queue_head_t *connect_wq; - int connect_tries; - int connect_result; - struct timer_list connect_timer;/* aka T3 in spec 10.6.1 */ - - u8 w; /* window size */ - bool srej_support; - - struct timer_list t1_timer; /* send ack timeout */ - bool t1_active; - - struct timer_list t2_timer; /* guard/retransmit timeout */ - bool t2_active; - - int ns; /* next seq num for send */ - int nr; /* next expected seq num for receive */ - int dnr; /* oldest sent unacked seq num */ - - struct sk_buff_head rcv_q; - - struct sk_buff_head send_q; - bool rnr; /* other side is not ready to receive */ - - struct sk_buff_head ack_pending_q; - - struct work_struct sm_work; - - struct nfc_shdlc_ops *ops; - - int client_headroom; - int client_tailroom; - - void *clientdata; -}; - -void nfc_shdlc_recv_frame(struct nfc_shdlc *shdlc, struct sk_buff *skb); - -struct nfc_shdlc *nfc_shdlc_allocate(struct nfc_shdlc_ops *ops, - struct nfc_hci_init_data *init_data, - u32 protocols, - int tx_headroom, int tx_tailroom, - int max_link_payload, const char *devname); - -void nfc_shdlc_free(struct nfc_shdlc *shdlc); - -void nfc_shdlc_set_clientdata(struct nfc_shdlc *shdlc, void *clientdata); -void *nfc_shdlc_get_clientdata(struct nfc_shdlc *shdlc); -struct nfc_hci_dev *nfc_shdlc_get_hci_dev(struct nfc_shdlc *shdlc); - -#endif /* __NFC_SHDLC_H */ -- cgit v1.2.3-18-g5258 From 96e324024b421b3753eb142d5d92fbe4ac5e7519 Mon Sep 17 00:00:00 2001 From: Waldemar Rymarkiewicz Date: Thu, 20 Sep 2012 08:59:10 +0200 Subject: NFC: xmit from hci ops must return 0 or negative xmit callback provided by a driver encapsulates upper layers data and sends it to the hardware. So, HCI does not know the exact amount of data being sent and thus can't handle partially sent frames properly. Therefore, the driver must return 0 for completely sent frame or negative for failure. Signed-off-by: Waldemar Rymarkiewicz Acked-by: Eric Lapuyade Signed-off-by: Samuel Ortiz --- include/net/nfc/hci.h | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'include/net') diff --git a/include/net/nfc/hci.h b/include/net/nfc/hci.h index 9b5ed2d94d6..e900072950c 100644 --- a/include/net/nfc/hci.h +++ b/include/net/nfc/hci.h @@ -30,6 +30,11 @@ struct nfc_hci_ops { int (*open) (struct nfc_hci_dev *hdev); void (*close) (struct nfc_hci_dev *hdev); int (*hci_ready) (struct nfc_hci_dev *hdev); + /* + * xmit must always send the complete buffer before + * returning. Returned result must be 0 for success + * or negative for failure. + */ int (*xmit) (struct nfc_hci_dev *hdev, struct sk_buff *skb); int (*start_poll) (struct nfc_hci_dev *hdev, u32 im_protocols, u32 tm_protocols); -- cgit v1.2.3-18-g5258