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Bluetooth: Controller: Fix CIS payload count under skipped events

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Fix CIS payload count calculation under skipped events that
caused CIS disconnection with reason MIC failure.

Signed-off-by: Vinayak Kariappa Chettimada <vich@nordicsemi.no>
This commit is contained in:
Vinayak Kariappa Chettimada 2024-09-06 13:45:08 +02:00 committed by Anas Nashif
parent 3399e0614a
commit ad6c0512ad
2 changed files with 16 additions and 16 deletions
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12
subsys/bluetooth/controller/ll_sw/nordic/lll/lll_central_iso.c
View file

@ -1253,8 +1253,10 @@ static void payload_count_lazy_update(struct lll_conn_iso_stream *cis_lll, uint1
u = cis_lll->nse - ((cis_lll->nse / cis_lll->tx.bn) *
(cis_lll->tx.bn - 1U -
(payload_count % cis_lll->tx.bn)));
while (((cis_lll->tx.payload_count / cis_lll->tx.bn) + cis_lll->tx.ft) <
(cis_lll->event_count + 1U)) {
while ((((cis_lll->tx.payload_count / cis_lll->tx.bn) + cis_lll->tx.ft) <
cis_lll->event_count) ||
((((cis_lll->tx.payload_count / cis_lll->tx.bn) + cis_lll->tx.ft) ==
cis_lll->event_count) && (u <= cis_lll->nse))) {
/* sn and nesn are 1-bit, only Least Significant bit is needed */
cis_lll->sn++;
cis_lll->tx.bn_curr++;
@ -1281,8 +1283,10 @@ static void payload_count_lazy_update(struct lll_conn_iso_stream *cis_lll, uint1
u = cis_lll->nse - ((cis_lll->nse / cis_lll->rx.bn) *
(cis_lll->rx.bn - 1U -
(payload_count % cis_lll->rx.bn)));
while (((cis_lll->rx.payload_count / cis_lll->rx.bn) + cis_lll->rx.ft) <
(cis_lll->event_count + 1U)) {
while ((((cis_lll->rx.payload_count / cis_lll->rx.bn) + cis_lll->rx.ft) <
cis_lll->event_count) ||
((((cis_lll->rx.payload_count / cis_lll->rx.bn) + cis_lll->rx.ft) ==
cis_lll->event_count) && (u <= cis_lll->nse))) {
/* sn and nesn are 1-bit, only Least Significant bit is needed */
cis_lll->nesn++;
cis_lll->rx.bn_curr++;

16
subsys/bluetooth/controller/ll_sw/nordic/lll/lll_peripheral_iso.c
View file

@ -1359,12 +1359,10 @@ static void payload_count_lazy(struct lll_conn_iso_stream *cis_lll, uint16_t laz
u = cis_lll->nse - ((cis_lll->nse / cis_lll->tx.bn) *
(cis_lll->tx.bn - 1U -
(payload_count % cis_lll->tx.bn)));
while (((((cis_lll->tx.payload_count / cis_lll->tx.bn) + cis_lll->tx.ft) <
(cis_lll->event_count + 1U)) ||
while ((((cis_lll->tx.payload_count / cis_lll->tx.bn) + cis_lll->tx.ft) <
cis_lll->event_count) ||
((((cis_lll->tx.payload_count / cis_lll->tx.bn) + cis_lll->tx.ft) ==
(cis_lll->event_count + 1U)) && (u < (cis_lll->nse + 1U)))) &&
((cis_lll->tx.payload_count / cis_lll->tx.bn) <
cis_lll->event_count)) {
cis_lll->event_count) && (u < cis_lll->nse))) {
/* sn and nesn are 1-bit, only Least Significant bit is needed */
cis_lll->sn++;
cis_lll->tx.bn_curr++;
@ -1391,12 +1389,10 @@ static void payload_count_lazy(struct lll_conn_iso_stream *cis_lll, uint16_t laz
u = cis_lll->nse - ((cis_lll->nse / cis_lll->rx.bn) *
(cis_lll->rx.bn - 1U -
(payload_count % cis_lll->rx.bn)));
while (((((cis_lll->rx.payload_count / cis_lll->rx.bn) + cis_lll->rx.ft) <
(cis_lll->event_count + 1U)) ||
while ((((cis_lll->rx.payload_count / cis_lll->rx.bn) + cis_lll->rx.ft) <
cis_lll->event_count) ||
((((cis_lll->rx.payload_count / cis_lll->rx.bn) + cis_lll->rx.ft) ==
(cis_lll->event_count + 1U)) && (u <= (cis_lll->nse + 1U)))) &&
((cis_lll->rx.payload_count / cis_lll->rx.bn) <
cis_lll->event_count)) {
cis_lll->event_count) && (u <= cis_lll->nse))) {
/* sn and nesn are 1-bit, only Least Significant bit is needed */
cis_lll->nesn++;
cis_lll->rx.bn_curr++;