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Bluetooth: controller: support not passing invalid SDUs on HCI datapath

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Adding a KConfig to allow for disabling of the passing of invalid SDUs
through the ISOAL HCI data path.

Defaults to keeping current behavior.

Signed-off-by: Erik Brockhoff <erbr@oticon.com>
This commit is contained in:
Erik Brockhoff 2021-11-03 10:55:00 +01:00 committed by Carles Cufí
parent f7466d28fd
commit 613ff42277
2 changed files with 16 additions and 0 deletions
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7
subsys/bluetooth/controller/Kconfig
View File

@ -670,6 +670,13 @@ config BT_CTLR_CONN_ISO_STREAMS_PER_GROUP
help
Maximum supported CISes per CIG.
config BT_CTLR_CONN_ISO_HCI_DATAPATH_SKIP_INVALID_DATA
bool "Do not pass invalid SDUs on HCI datapath"
depends on BT_CTLR_CONN_ISO
help
This allows for applications to decide whether to
forward invalid SDUs through HCI upwards.
config BT_CTLR_ISO
bool
default BT_CTLR_BROADCAST_ISO || BT_CTLR_CONN_ISO

9
subsys/bluetooth/controller/hci/hci_driver.c
View File

@ -116,7 +116,16 @@ isoal_status_t sink_sdu_emit_hci(const struct isoal_sink *sink_ctx,
buf = (struct net_buf *) valid_sdu->contents.dbuf;
if (buf) {
#if defined(CONFIG_BT_CTLR_CONN_ISO_HCI_DATAPATH_SKIP_INVALID_DATA)
if (valid_sdu->status != ISOAL_SDU_STATUS_VALID) {
/* unref buffer if invalid fragment */
net_buf_unref(buf);
return ISOAL_STATUS_OK;
}
#endif /* CONFIG_BT_CTLR_CONN_ISO_HCI_DATAPATH_SKIP_INVALID_DATA */
data_hdr = net_buf_push(buf, BT_HCI_ISO_TS_DATA_HDR_SIZE);
hdr = net_buf_push(buf, BT_HCI_ISO_HDR_SIZE);