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drivers: ieee802154: fix ACK length handling

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OpenThread expects the FCS field at the end of the ACK frame to be
passed with `otPlatRadioTxDone`.

Signed-off-by: Eduardo Montoya <eduardo.montoya@nordicsemi.no>
This commit is contained in:
Eduardo Montoya 2021-05-27 16:30:27 +02:00 • committed by Kumar Gala
commit 9c6895105d
2 changed files with 8 additions and 2 deletions
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8
drivers/ieee802154/ieee802154_nrf5.c
View file

@ -358,10 +358,16 @@ static int nrf5_set_txpower(const struct device *dev, int16_t dbm)
static int handle_ack(struct nrf5_802154_data *nrf5_radio)
{
uint8_t ack_len = nrf5_radio->ack_frame.psdu[0] - NRF5_FCS_LENGTH;
uint8_t ack_len;
struct net_pkt *ack_pkt;
int err = 0;
if (IS_ENABLED(CONFIG_IEEE802154_RAW_MODE) || IS_ENABLED(CONFIG_NET_L2_OPENTHREAD)) {
ack_len = nrf5_radio->ack_frame.psdu[0];
} else {
ack_len = nrf5_radio->ack_frame.psdu[0] - NRF5_FCS_LENGTH;
}
ack_pkt = net_pkt_alloc_with_buffer(nrf5_radio->iface, ack_len,
AF_UNSPEC, 0, K_NO_WAIT);
if (!ack_pkt) {

2
subsys/net/lib/openthread/platform/radio.c
View file

@ -42,7 +42,7 @@ LOG_MODULE_REGISTER(LOG_MODULE_NAME, CONFIG_OPENTHREAD_L2_LOG_LEVEL);
#if defined(CONFIG_IEEE802154_2015)
#define ACK_PKT_LENGTH 127
#else
#define ACK_PKT_LENGTH 3
#define ACK_PKT_LENGTH 5
#endif
#define FRAME_TYPE_MASK 0x07