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fix(nimble): Handle probable release breaking change

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link_estab event may be handled by customers in application and the previous would break it.
Revert few changes so as to not break the customer's code
This commit is contained in:
Rahul Tank
2025-03-03 12:31:56 +05:30
parent ae0d1ff30f
commit 42172e2f87
2 changed files with 98 additions and 8 deletions
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nimble/host/include/host/ble_gap.h
+45 -7
View File
@@ -159,13 +159,13 @@ struct hci_conn_update;
#define BLE_GAP_EVENT_TEST_UPDATE 30
#define BLE_GAP_EVENT_DATA_LEN_CHG 31
/* Deprecate EVENT_LINK_ESTAB */
#define BLE_GAP_EVENT_LINK_ESTAB BLE_GAP_EVENT_CONNECT
#define BLE_GAP_EVENT_AUTHORIZE 32
#define BLE_GAP_EVENT_EATT 33
#define BLE_GAP_EVENT_PER_SUBEV_DATA_REQ 34
#define BLE_GAP_EVENT_PER_SUBEV_RESP 35
#define BLE_GAP_EVENT_PERIODIC_TRANSFER_V2 36
//TODO : Deprecate the EVENT_LINK_ESTAB going ahead
#define BLE_GAP_EVENT_LINK_ESTAB 32
#define BLE_GAP_EVENT_AUTHORIZE 33
#define BLE_GAP_EVENT_EATT 34
#define BLE_GAP_EVENT_PER_SUBEV_DATA_REQ 35
#define BLE_GAP_EVENT_PER_SUBEV_RESP 36
#define BLE_GAP_EVENT_PERIODIC_TRANSFER_V2 37
/* DTM events */
#define BLE_GAP_DTM_TX_START_EVT 0
@@ -634,6 +634,44 @@ struct ble_gap_event {
#endif
} connect;
/**
* Represents a successful Link establishment attempt. Sometimes, in noisy environment,
* even if BLE_GAP_EVENT_CONNECT is posted, the link syncronization procedure may fail
* and link gets disconnected with reason 0x3E. Application can wait for below event to ensure
* the link syncronization is completed. Valid for the following event
* types:
* o BLE_GAP_EVENT_LINK_ESTAB
*/
struct {
/**
* The final status of the link establishment;
* o 0: the connection was successfully established.
* o BLE host error code: the connection attempt failed for
* the specified reason.
*/
int status;
/** The handle of the relevant connection. */
uint16_t conn_handle;
#if MYNEWT_VAL(BLE_PERIODIC_ADV_WITH_RESPONSES)
/*
* Adv_Handle is used to identify an advertising set.
* If the connection is established from periodic advertising with responses
* and Role is 0x00 then the Advertising_Handle parameter shall be set
* according to the periodic advertising train the connection was established from
*/
uint8_t adv_handle;
/*
* Sync_Handle identifying the periodic advertising train
* If the connection is established from periodic advertising with responses
* and Role is 0x01, then the Sync_Handle parameter shall be set according
* to the periodic advertising train the connection was established from
*/
uint16_t sync_handle;
#endif
} link_estab;
/**
* Represents a terminated connection. Valid for the following event
* types:
nimble/host/src/ble_gap.c
+53 -1
View File
@@ -1034,6 +1034,17 @@ ble_gap_master_connect_failure(int status)
event.connect.adv_handle = pawr_adv_handle;
#endif
rc = state.cb(&event, state.cb_arg);
//TODO Remove duplication of event fields
event.type = BLE_GAP_EVENT_LINK_ESTAB;
event.link_estab.status = status;
#if MYNEWT_VAL(BLE_PERIODIC_ADV_WITH_RESPONSES)
event.link_estab.sync_handle = pawr_sync_handle;
event.link_estab.adv_handle = pawr_adv_handle;
#endif
rc = state.cb(&event, state.cb_arg);
} else {
rc = 0;
}
@@ -1063,6 +1074,23 @@ ble_gap_master_connect_cancelled(void)
#if MYNEWT_VAL(BLE_PERIODIC_ADV_WITH_RESPONSES)
event.connect.sync_handle = pawr_sync_handle;
event.connect.adv_handle = pawr_adv_handle;
#endif
state.cb(&event, state.cb_arg);
//TODO Remove duplication of event fields
event.type = BLE_GAP_EVENT_LINK_ESTAB;
event.link_estab.conn_handle = BLE_HS_CONN_HANDLE_NONE;
if (state.conn.cancel) {
/* Connect procedure successfully cancelled. */
event.link_estab.status = BLE_HS_EAPP;
} else {
/* Connect procedure timed out. */
event.link_estab.status = BLE_HS_ETIMEOUT;
}
#if MYNEWT_VAL(BLE_PERIODIC_ADV_WITH_RESPONSES)
event.link_estab.sync_handle = pawr_sync_handle;
event.link_estab.adv_handle = pawr_adv_handle;
#endif
state.cb(&event, state.cb_arg);
}
@@ -2276,11 +2304,12 @@ ble_gap_rx_periodic_adv_response(const struct ble_gap_periodic_adv_response resp
void
ble_gap_rx_conn_comp_failed(const struct ble_gap_conn_complete *evt)
{
struct ble_gap_event event;
struct ble_gap_event event, event_link_estab;
ble_gap_event_fn *cb;
void *cb_arg;
memset(&event, 0x0, sizeof event);
memset(&event_link_estab, 0x0, sizeof event);
event.type = BLE_GAP_EVENT_CONNECT;
event.connect.conn_handle = evt->connection_handle;
@@ -2289,13 +2318,23 @@ ble_gap_rx_conn_comp_failed(const struct ble_gap_conn_complete *evt)
event.connect.sync_handle = evt->sync_handle;
event.connect.adv_handle = evt->adv_handle;
//TODO Remove duplication of event fields
event_link_estab.type = BLE_GAP_EVENT_LINK_ESTAB;
event_link_estab.link_estab.conn_handle = evt->connection_handle;
event_link_estab.link_estab.status = BLE_ERR_CONN_ESTABLISHMENT;
event_link_estab.link_estab.sync_handle = evt->sync_handle;
event_link_estab.link_estab.adv_handle = evt->adv_handle;
ble_gap_master_reset_state();
ble_gap_slave_extract_cb(evt->adv_handle, &cb, &cb_arg);
if (cb != NULL) {
cb(&event, cb_arg);
cb(&event_link_estab, cb_arg);
}
ble_gap_event_listener_call(&event);
ble_gap_event_listener_call(&event_link_estab);
}
#endif
@@ -2535,6 +2574,19 @@ ble_gap_event_connect_call(uint16_t conn_handle, int status)
ble_gap_event_listener_call(&event);
ble_gap_call_conn_event_cb(&event, handle);
//TODO : Remove duplication of event
event.type = BLE_GAP_EVENT_LINK_ESTAB;
event.link_estab.status = status;
event.link_estab.conn_handle = handle;
#if MYNEWT_VAL(BLE_PERIODIC_ADV_WITH_RESPONSES)
event.link_estab.sync_handle = pawr_sync_handle;
event.link_estab.adv_handle = pawr_adv_handle;
#endif
ble_gap_event_listener_call(&event);
ble_gap_call_conn_event_cb(&event, handle);
ble_hs_hci_util_set_data_len(le16toh(conn_handle), BLE_HCI_SUGG_DEF_DATALEN_TX_OCTETS_MAX,
BLE_HCI_SUGG_DEF_DATALEN_TX_TIME_MAX);
}