From fcd89c09a59a054fb986861e0862aa2fff7d7c40 Mon Sep 17 00:00:00 2001 From: Ville Tervo Date: Thu, 10 Feb 2011 22:38:47 -0300 Subject: Bluetooth: Add LE connect support Bluetooth V4.0 adds support for Low Energy (LE) connections. Specification introduces new set of hci commands to control LE connection. This patch adds logic to create, cancel and disconnect LE connections. Signed-off-by: Ville Tervo Acked-by: Marcel Holtmann Signed-off-by: Gustavo F. Padovan --- include/net/bluetooth/hci.h | 2 ++ include/net/bluetooth/hci_core.h | 25 +++++++++++++++++++++---- 2 files changed, 23 insertions(+), 4 deletions(-) (limited to 'include') diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h index 802d2505f138..e756f82a29e5 100644 --- a/include/net/bluetooth/hci.h +++ b/include/net/bluetooth/hci.h @@ -168,6 +168,8 @@ enum { #define SCO_LINK 0x00 #define ACL_LINK 0x01 #define ESCO_LINK 0x02 +/* Low Energy links do not have defined link type. Use invented one */ +#define LE_LINK 0x80 /* LMP features */ #define LMP_3SLOT 0x01 diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index 6163bff6fa91..f434e96ce020 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -60,6 +60,7 @@ struct hci_conn_hash { spinlock_t lock; unsigned int acl_num; unsigned int sco_num; + unsigned int le_num; }; struct bdaddr_list { @@ -309,20 +310,36 @@ static inline void hci_conn_hash_add(struct hci_dev *hdev, struct hci_conn *c) { struct hci_conn_hash *h = &hdev->conn_hash; list_add(&c->list, &h->list); - if (c->type == ACL_LINK) + switch (c->type) { + case ACL_LINK: h->acl_num++; - else + break; + case LE_LINK: + h->le_num++; + break; + case SCO_LINK: + case ESCO_LINK: h->sco_num++; + break; + } } static inline void hci_conn_hash_del(struct hci_dev *hdev, struct hci_conn *c) { struct hci_conn_hash *h = &hdev->conn_hash; list_del(&c->list); - if (c->type == ACL_LINK) + switch (c->type) { + case ACL_LINK: h->acl_num--; - else + break; + case LE_LINK: + h->le_num--; + break; + case SCO_LINK: + case ESCO_LINK: h->sco_num--; + break; + } } static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev, -- cgit v1.3-14-g43fede