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gap: allow to disable link supervision timeout

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This commit is contained in:
Matthias Ringwald 2021-04-07 10:10:16 +02:00
parent ec61abe886
commit d821984b1f
4 changed files with 12 additions and 2 deletions
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1
CHANGELOG.md
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@ -34,6 +34,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
- HFP: Emit Audio Connection Released on SLC Release, e.g. remote power off
- GAP: calculate IO Cap AuthReq Bondable Mode based on `gap_ssp_set_authentication_requirement` and `gap_set_bondable_mode`
- GAP: only store link key for ssp if remote side has set bondable in io cap auth requirements as well
- GAP: allow to disable link supervision timeout
- HFP HF: only emit single event for RING and AG Status updates
- HFP AG: fix audio connection setup for in-band ringtone on incoming connection

5
src/bluetooth.h
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@ -137,6 +137,11 @@ typedef enum {
INQUIRY_SCAN_MODE_INTERLACED,
} inquiry_scan_type_t;
/**
* Link Supervision Timeout Default, 0x7d00 * 0.625ms = 20s
*/
#define HCI_LINK_SUPERVISION_TIMEOUT_DEFAULT 0x7D00
/**
* HCI Transport
*/

2
src/gap.h
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@ -188,7 +188,7 @@ void gap_set_allow_role_switch(bool allow_role_switch);
/**
* @brief Set link supervision timeout for outgoing classic ACL links
* @param default_link_supervision_timeout * 0.625 ms, default 0x7d00 = 20 seconds
* @param default_link_supervision_timeout * 0.625 ms, default 0x7d00 = 20 seconds, 0 = no link supervision timeout
*/
void gap_set_link_supervision_timeout(uint16_t link_supervision_timeout);

6
src/hci.c
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@ -2494,7 +2494,7 @@ static void event_handler(uint8_t *packet, uint16_t size){
conn->bonding_flags |= BONDING_REQUEST_REMOTE_FEATURES_PAGE_0;
// queue set supervision timeout if we're master
if ((hci_stack->link_supervision_timeout != 0) && (conn->role == HCI_ROLE_MASTER)){
if ((hci_stack->link_supervision_timeout != HCI_LINK_SUPERVISION_TIMEOUT_DEFAULT) && (conn->role == HCI_ROLE_MASTER)){
connectionSetAuthenticationFlags(conn, WRITE_SUPERVISION_TIMEOUT);
}
@ -3215,6 +3215,10 @@ void hci_init(const hci_transport_t *transport, const void *config){
// Errata-11838 mandates 7 bytes for GAP Security Level 1-3
hci_stack->gap_required_encyrption_key_size = 7;
// Link Supervision Timeout
hci_stack->link_supervision_timeout = HCI_LINK_SUPERVISION_TIMEOUT_DEFAULT;
#endif
// Secure Simple Pairing default: enable, no I/O capabilities, general bonding, mitm not required, auto accept