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Bluetooth: Controller: Fix Extended Adv Chain PDU channel indices

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Fix missing population of channel indices for Extended
Advertising Chain PDUs.

Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
This commit is contained in:
Vinayak Kariappa Chettimada 2024-10-14 22:51:10 +02:00 • committed by David Leach
commit 1eb74c43df
1 changed files with 170 additions and 59 deletions
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229
subsys/bluetooth/controller/ll_sw/nordic/lll/lll_adv_aux.c
View file

@ -49,12 +49,20 @@
static int init_reset(void);
static int prepare_cb(struct lll_prepare_param *p);
#if !defined(CONFIG_BT_TICKER_EXT_EXPIRE_INFO) || \
defined(CONFIG_BT_CTLR_ADV_AUX_PDU_BACK2BACK)
static int aux_ptr_get(struct pdu_adv *pdu, struct pdu_adv_aux_ptr **aux_ptr);
#endif /* !CONFIG_BT_TICKER_EXT_EXPIRE_INFO ||
* CONFIG_BT_CTLR_ADV_AUX_PDU_BACK2BACK
*/
#if !defined(CONFIG_BT_TICKER_EXT_EXPIRE_INFO)
static void isr_early_abort(void *param);
#endif /* !CONFIG_BT_TICKER_EXT_EXPIRE_INFO */
static void isr_done(void *param);
#if defined(CONFIG_BT_CTLR_ADV_AUX_PDU_BACK2BACK)
static void isr_tx_chain(void *param);
static void chain_pdu_aux_ptr_chan_idx_set(struct lll_adv_aux *lll);
static void aux_ptr_chan_idx_set(struct lll_adv_aux *lll, struct pdu_adv *pdu);
#endif /* CONFIG_BT_CTLR_ADV_AUX_PDU_BACK2BACK */
static void isr_tx_rx(void *param);
static void isr_rx(void *param);
@ -150,47 +158,22 @@ static int prepare_cb(struct lll_prepare_param *p)
#else /* !CONFIG_BT_TICKER_EXT_EXPIRE_INFO */
struct pdu_adv_aux_ptr *aux_ptr;
struct pdu_adv_ext_hdr *pri_hdr;
struct pdu_adv *pri_pdu;
uint8_t *pri_dptr;
int err;
/* Get reference to primary PDU */
pri_pdu = lll_adv_data_curr_get(lll_adv);
LL_ASSERT(pri_pdu->type == PDU_ADV_TYPE_EXT_IND);
/* Get reference to extended header */
/* Get reference to common extended header */
com_hdr = (void *)&pri_pdu->adv_ext_ind;
pri_hdr = (void *)com_hdr->ext_hdr_adv_data;
pri_dptr = pri_hdr->data;
/* NOTE: We shall be here in auxiliary PDU prepare due to
* aux_ptr flag being set in the extended common header
* flags. Hence, ext_hdr_len is non-zero, an explicit check
* is not needed.
*/
LL_ASSERT(com_hdr->ext_hdr_len);
/* traverse through adv_addr, if present */
if (pri_hdr->adv_addr) {
pri_dptr += BDADDR_SIZE;
}
/* traverse through tgt_addr, if present */
if (pri_hdr->tgt_addr) {
pri_dptr += BDADDR_SIZE;
}
/* No CTEInfo flag in primary and secondary channel PDU */
/* traverse through adi, if present */
if (pri_hdr->adi) {
pri_dptr += sizeof(struct pdu_adv_adi);
}
aux_ptr = (void *)pri_dptr;
/* Get reference to aux pointer structure */
err = aux_ptr_get(pri_pdu, &aux_ptr);
LL_ASSERT(!err);
/* Abort if no aux_ptr filled */
if (unlikely(!pri_hdr->aux_ptr || !PDU_ADV_AUX_PTR_OFFSET_GET(aux_ptr))) {
if (unlikely(!aux_ptr || !PDU_ADV_AUX_PTR_OFFSET_GET(aux_ptr))) {
radio_isr_set(isr_early_abort, lll);
radio_disable();
@ -200,7 +183,7 @@ static int prepare_cb(struct lll_prepare_param *p)
chan_idx = aux_ptr->chan_idx;
#endif /* !CONFIG_BT_TICKER_EXT_EXPIRE_INFO */
/* Increment counter used in ULL for channel index calculation */
/* Increment counter, for next channel index calculation */
lll->data_chan_counter++;
/* Set up Radio H/W */
@ -228,9 +211,6 @@ static int prepare_cb(struct lll_prepare_param *p)
/* Use channel idx calculated or that was in aux_ptr */
lll_chan_set(chan_idx);
/* Set the Radio Tx Packet */
radio_pkt_tx_set(sec_pdu);
/* Switch to Rx if connectable or scannable */
if (com_hdr->adv_mode & (BT_HCI_LE_ADV_PROP_CONN |
BT_HCI_LE_ADV_PROP_SCAN)) {
@ -282,19 +262,38 @@ static int prepare_cb(struct lll_prepare_param *p)
#if defined(CONFIG_BT_CTLR_ADV_AUX_PDU_BACK2BACK)
} else if (sec_pdu->adv_ext_ind.ext_hdr_len &&
sec_pdu->adv_ext_ind.ext_hdr.aux_ptr) {
/* Set the last used auxiliary PDU for transmission */
lll->last_pdu = sec_pdu;
/* Populate chan idx for AUX_ADV_IND PDU */
aux_ptr_chan_idx_set(lll, sec_pdu);
radio_isr_set(isr_tx_chain, lll);
radio_tmr_tifs_set(EVENT_B2B_MAFS_US);
radio_switch_complete_and_b2b_tx(phy_s, lll_adv->phy_flags,
phy_s, lll_adv->phy_flags);
#endif /* CONFIG_BT_CTLR_ADV_AUX_PDU_BACK2BACK */
} else {
/* No chain PDU */
lll->last_pdu = NULL;
#else /* !CONFIG_BT_CTLR_ADV_AUX_PDU_BACK2BACK */
} else {
#endif /* !CONFIG_BT_CTLR_ADV_AUX_PDU_BACK2BACK */
radio_isr_set(isr_done, lll);
radio_switch_complete_and_disable();
}
if (IS_ENABLED(CONFIG_BT_CTLR_ADV_PERIODIC) &&
IS_ENABLED(CONFIG_BT_TICKER_EXT_EXPIRE_INFO) &&
sec_pdu->adv_ext_ind.ext_hdr_len &&
sec_pdu->adv_ext_ind.ext_hdr.sync_info) {
ull_adv_sync_lll_syncinfo_fill(sec_pdu, lll);
}
/* Set the Radio Tx Packet */
radio_pkt_tx_set(sec_pdu);
ticks_at_event = p->ticks_at_expire;
ull = HDR_LLL2ULL(lll);
ticks_at_event += lll_event_offset_get(ull);
@ -335,12 +334,10 @@ static int prepare_cb(struct lll_prepare_param *p)
}
#endif /* CONFIG_BT_CTLR_XTAL_ADVANCED */
if (IS_ENABLED(CONFIG_BT_CTLR_ADV_PERIODIC) &&
IS_ENABLED(CONFIG_BT_TICKER_EXT_EXPIRE_INFO) &&
sec_pdu->adv_ext_ind.ext_hdr_len &&
sec_pdu->adv_ext_ind.ext_hdr.sync_info) {
ull_adv_sync_lll_syncinfo_fill(sec_pdu, lll);
}
#if defined(CONFIG_BT_CTLR_ADV_AUX_PDU_BACK2BACK)
/* Populate chan idx for AUX_CHAIN_IND PDU */
chain_pdu_aux_ptr_chan_idx_set(lll);
#endif /* CONFIG_BT_CTLR_ADV_AUX_PDU_BACK2BACK */
ret = lll_prepare_done(lll);
LL_ASSERT(!ret);
@ -350,6 +347,57 @@ static int prepare_cb(struct lll_prepare_param *p)
return 0;
}
#if !defined(CONFIG_BT_TICKER_EXT_EXPIRE_INFO) || \
defined(CONFIG_BT_CTLR_ADV_AUX_PDU_BACK2BACK)
static int aux_ptr_get(struct pdu_adv *pdu, struct pdu_adv_aux_ptr **aux_ptr)
{
struct pdu_adv_com_ext_adv *com_hdr;
struct pdu_adv_ext_hdr *hdr;
uint8_t *dptr;
/* Get reference to common extended header */
com_hdr = (void *)&pdu->adv_ext_ind;
if (com_hdr->ext_hdr_len == 0U) {
*aux_ptr = NULL;
return -EINVAL;
}
/* Get reference to extended header flags and header fields */
hdr = (void *)com_hdr->ext_hdr_adv_data;
dptr = hdr->data;
/* traverse through adv_addr, if present */
if (hdr->adv_addr) {
dptr += BDADDR_SIZE;
}
/* traverse through tgt_addr, if present */
if (hdr->tgt_addr) {
dptr += BDADDR_SIZE;
}
/* No CTEInfo flag in primary and secondary channel PDU */
/* traverse through adi, if present */
if (hdr->adi) {
dptr += sizeof(struct pdu_adv_adi);
}
/* check for aux_ptr flag */
if (hdr->aux_ptr) {
/* Return reference to aux pointer structure */
*aux_ptr = (void *)dptr;
} else {
*aux_ptr = NULL;
}
return 0;
}
#endif /* !CONFIG_BT_TICKER_EXT_EXPIRE_INFO ||
* CONFIG_BT_CTLR_ADV_AUX_PDU_BACK2BACK
*/
#if !defined(CONFIG_BT_TICKER_EXT_EXPIRE_INFO)
static void isr_race(void *param)
{
@ -395,9 +443,11 @@ static void isr_done(void *param)
#if defined(CONFIG_BT_CTLR_ADV_AUX_PDU_BACK2BACK)
static void isr_tx_chain(void *param)
{
struct pdu_adv_aux_ptr *aux_ptr;
struct lll_adv_aux *lll_aux;
struct lll_adv *lll;
struct pdu_adv *pdu;
int err;
if (IS_ENABLED(CONFIG_BT_CTLR_PROFILE_ISR)) {
lll_prof_latency_capture();
@ -406,14 +456,22 @@ static void isr_tx_chain(void *param)
/* Clear radio tx status and events */
lll_isr_tx_status_reset();
/* Get reference to auxiliary and primary advertising LLL contexts */
lll_aux = param;
lll = lll_aux->adv;
/* FIXME: Use implementation defined channel index */
lll_chan_set(0);
/* Get reference to aux pointer structure */
err = aux_ptr_get(lll_aux->last_pdu, &aux_ptr);
LL_ASSERT(!err && aux_ptr);
/* Use channel idx that was in aux_ptr */
lll_chan_set(aux_ptr->chan_idx);
/* Get reference to the auxiliary chain PDU */
pdu = lll_adv_pdu_linked_next_get(lll_aux->last_pdu);
LL_ASSERT(pdu);
/* Set the last used auxiliary PDU for transmission */
lll_aux->last_pdu = pdu;
/* setup tIFS switching */
@ -458,10 +516,56 @@ static void isr_tx_chain(void *param)
HAL_RADIO_GPIO_PA_OFFSET);
#endif /* HAL_RADIO_GPIO_HAVE_PA_PIN */
/* Populate chan idx for AUX_CHAIN_IND PDU */
chain_pdu_aux_ptr_chan_idx_set(lll_aux);
if (IS_ENABLED(CONFIG_BT_CTLR_PROFILE_ISR)) {
lll_prof_send();
}
}
static void chain_pdu_aux_ptr_chan_idx_set(struct lll_adv_aux *lll)
{
struct pdu_adv *chain_pdu;
/* No chain PDU */
if (!lll->last_pdu) {
return;
}
/* Get reference to the auxiliary chain PDU */
chain_pdu = lll_adv_pdu_linked_next_get(lll->last_pdu);
/* Check if there is further chain PDU */
if (chain_pdu && chain_pdu->adv_ext_ind.ext_hdr_len &&
chain_pdu->adv_ext_ind.ext_hdr.aux_ptr) {
aux_ptr_chan_idx_set(lll, chain_pdu);
}
}
static void aux_ptr_chan_idx_set(struct lll_adv_aux *lll, struct pdu_adv *pdu)
{
struct pdu_adv_aux_ptr *aux_ptr;
struct ll_adv_aux_set *aux;
uint8_t chan_idx;
int err;
/* Get reference to aux pointer structure */
err = aux_ptr_get(pdu, &aux_ptr);
LL_ASSERT(!err && aux_ptr);
/* Calculate a new channel index */
aux = HDR_LLL2ULL(lll);
chan_idx = lll_chan_sel_2(lll->data_chan_counter, aux->data_chan_id,
aux->chm[aux->chm_first].data_chan_map,
aux->chm[aux->chm_first].data_chan_count);
/* Increment counter, for next channel index calculation */
lll->data_chan_counter++;
/* Set the channel index for the auxiliary chain PDU */
aux_ptr->chan_idx = chan_idx;
}
#endif /* CONFIG_BT_CTLR_ADV_AUX_PDU_BACK2BACK */
static void isr_tx_rx(void *param)
@ -682,6 +786,7 @@ static inline int isr_rx_pdu(struct lll_adv_aux *lll_aux, uint8_t phy_flags_rx,
#if defined(CONFIG_BT_CTLR_ADV_AUX_PDU_BACK2BACK)
} else if (sr_pdu->adv_ext_ind.ext_hdr_len &&
sr_pdu->adv_ext_ind.ext_hdr.aux_ptr) {
/* Set the last used auxiliary PDU for transmission */
lll_aux->last_pdu = sr_pdu;
radio_isr_set(isr_tx_chain, lll_aux);
@ -710,20 +815,6 @@ static inline int isr_rx_pdu(struct lll_adv_aux *lll_aux, uint8_t phy_flags_rx,
lll_prof_cputime_capture();
}
#if defined(CONFIG_BT_CTLR_SCAN_REQ_NOTIFY)
if (lll->scan_req_notify) {
uint32_t err;
/* Generate the scan request event */
err = lll_adv_scan_req_report(lll, pdu_rx, rl_idx,
rssi_ready);
if (err) {
/* Scan Response will not be transmitted */
return err;
}
}
#endif /* CONFIG_BT_CTLR_SCAN_REQ_NOTIFY */
#if defined(HAL_RADIO_GPIO_HAVE_PA_PIN)
if (IS_ENABLED(CONFIG_BT_CTLR_PROFILE_ISR)) {
/* PA/LNA enable is overwriting packet end used in ISR
@ -739,6 +830,26 @@ static inline int isr_rx_pdu(struct lll_adv_aux *lll_aux, uint8_t phy_flags_rx,
phy_flags_rx) -
HAL_RADIO_GPIO_PA_OFFSET);
#endif /* HAL_RADIO_GPIO_HAVE_PA_PIN */
#if defined(CONFIG_BT_CTLR_ADV_AUX_PDU_BACK2BACK)
/* Populate chan idx for AUX_CHAIN_IND PDU */
chain_pdu_aux_ptr_chan_idx_set(lll_aux);
#endif /* CONFIG_BT_CTLR_ADV_AUX_PDU_BACK2BACK */
#if defined(CONFIG_BT_CTLR_SCAN_REQ_NOTIFY)
if (lll->scan_req_notify) {
uint32_t err;
/* Generate the scan request event */
err = lll_adv_scan_req_report(lll, pdu_rx, rl_idx,
rssi_ready);
if (err) {
/* Scan Response will not be transmitted */
return err;
}
}
#endif /* CONFIG_BT_CTLR_SCAN_REQ_NOTIFY */
return 0;
#if defined(CONFIG_BT_PERIPHERAL)