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Bluetooth: controller: Add connect ind PDU address fields check

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Added checks for advertiser and initiator/target addresses
received in CONNECT_IND when performing directed
advertising.

This is required to pass TP/CON/ADV/BV-04-C [Directed
Advertising Connection].

Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
This commit is contained in:
Vinayak Kariappa Chettimada 2017-06-20 20:41:08 +02:00 • committed by Johan Hedberg
commit 6616065e95
1 changed files with 11 additions and 3 deletions
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14
subsys/bluetooth/controller/ll_sw/ctrl.c
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@ -694,6 +694,8 @@ static inline u32_t isr_rx_adv(u8_t devmatch_ok, u8_t irkmatch_ok,
struct radio_pdu_node_rx *radio_pdu_node_rx;
pdu_adv = (struct pdu_adv *)radio_pkt_scratch_get();
_pdu_adv = (struct pdu_adv *)&_radio.advertiser.adv_data.data
[_radio.advertiser.adv_data.first][0];
if ((pdu_adv->type == PDU_ADV_TYPE_SCAN_REQ) &&
(pdu_adv->len == sizeof(struct pdu_adv_payload_scan_req)) &&
@ -724,7 +726,15 @@ static inline u32_t isr_rx_adv(u8_t devmatch_ok, u8_t irkmatch_ok,
(pdu_adv->len == sizeof(struct pdu_adv_payload_connect_ind)) &&
(((_radio.advertiser.filter_policy & 0x02) == 0) ||
(devmatch_ok) || (irkmatch_ok)) &&
(1 /** @todo own addr match check */) &&
((_pdu_adv->type != PDU_ADV_TYPE_DIRECT_IND) ||
((_pdu_adv->tx_addr == pdu_adv->rx_addr) &&
(_pdu_adv->rx_addr == pdu_adv->tx_addr) &&
!memcmp(_pdu_adv->payload.direct_ind.adv_addr,
pdu_adv->payload.connect_ind.adv_addr,
BDADDR_SIZE) &&
!memcmp(_pdu_adv->payload.direct_ind.tgt_addr,
pdu_adv->payload.connect_ind.init_addr,
BDADDR_SIZE))) &&
((_radio.fc_ena == 0) || (_radio.fc_req == _radio.fc_ack)) &&
(_radio.advertiser.conn)) {
struct radio_le_conn_cmplt *radio_le_conn_cmplt;
@ -899,8 +909,6 @@ static inline u32_t isr_rx_adv(u8_t devmatch_ok, u8_t irkmatch_ok,
ticker_stop_adv_assert(ticker_status, (void *)__LINE__);
/* Stop Direct Adv Stopper */
_pdu_adv = (struct pdu_adv *)&_radio.advertiser.adv_data.data
[_radio.advertiser.adv_data.first][0];
if (_pdu_adv->type == PDU_ADV_TYPE_DIRECT_IND) {
/* Advertiser stop can expire while here in this ISR.
* Deferred attempt to stop can fail as it would have