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Bluetooth: Controller: Reset dup filtering on Periodic Re-sync

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Reset duplicate filtering of Periodic Advertising Reports
when Periodic Advertising Sync is created again after a
terminate or sync lost.

Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
This commit is contained in:
Vinayak Kariappa Chettimada 2021-12-03 10:50:07 +05:30 • committed by Carles Cufí
commit 8cdc53e3da
1 changed files with 49 additions and 4 deletions
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53
subsys/bluetooth/controller/hci/hci.c
View file

@ -3550,7 +3550,9 @@ static void le_per_adv_create_sync(struct net_buf *buf, struct net_buf **evt)
dup_count = 0;
dup_curr = 0U;
} else {
/* FIXME: Invalidate dup_ext_adv_mode array entries */
/* NOTE: Invalidate dup_ext_adv_mode array entries is
* done when sync is established.
*/
}
} else if (!dup_scan) {
dup_count = DUP_FILTER_DISABLED;
@ -3632,7 +3634,10 @@ static void le_per_adv_recv_enable(struct net_buf *buf, struct net_buf **evt)
dup_count = 0;
dup_curr = 0U;
} else {
/* FIXME: Invalidate dup_ext_adv_mode array entries */
/* NOTE: Invalidate dup_ext_adv_mode array
* entries is done when sync is
* established.
*/
}
} else if (!dup_scan) {
dup_count = DUP_FILTER_DISABLED;
@ -4993,6 +4998,42 @@ static void dup_ext_adv_reset(void)
dup_ext_adv_mode_reset(dup->adv_mode);
}
}
static void dup_periodic_adv_reset(uint8_t addr_type, const uint8_t *addr,
uint8_t sid)
{
int addr_idx;
for (addr_idx = 0; addr_idx < dup_count; addr_idx++) {
struct dup_ext_adv_mode *dup_mode;
struct dup_entry *dup;
int set_idx;
dup = &dup_filter[addr_idx];
if (memcmp(addr, &dup->addr.a.val[0],
sizeof(bt_addr_t)) ||
(addr_type != dup->addr.type)) {
continue;
}
dup_mode = &dup->adv_mode[DUP_EXT_ADV_MODE_PERIODIC];
for (set_idx = 0; set_idx < dup_mode->set_count; set_idx++) {
struct dup_ext_adv_set *adv_set;
adv_set = &dup_mode->set[set_idx];
if (adv_set->adi.sid != sid) {
continue;
}
/* reset data complete state */
adv_set->data_cmplt = 0U;
return;
}
return;
}
}
#endif /* CONFIG_BT_CTLR_SYNC_PERIODIC_ADI_SUPPORT */
#endif /* CONFIG_BT_CTLR_ADV_EXT */
@ -6212,10 +6253,14 @@ static void le_per_adv_sync_established(struct pdu_data *pdu_data,
return;
}
sep->handle = sys_cpu_to_le16(node_rx->hdr.handle);
scan = node_rx->hdr.rx_ftr.param;
dup_periodic_adv_reset(scan->per_scan.adv_addr_type,
scan->per_scan.adv_addr,
scan->per_scan.sid);
sep->handle = sys_cpu_to_le16(node_rx->hdr.handle);
/* Resolved address, if private, has been populated in ULL */
sep->adv_addr.type = scan->per_scan.adv_addr_type;
memcpy(&sep->adv_addr.a.val[0], scan->per_scan.adv_addr, BDADDR_SIZE);