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sys/ieee802154/submac: add handling of invalid CRC frames

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This commit is contained in:
Francisco Molina 2020-11-06 18:12:12 +01:00
parent 5cbb8093cf
commit 960e0c5f43
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GPG Key ID: 3E94EAC3DBDEEDA8
4 changed files with 26 additions and 2 deletions
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5
drivers/include/net/netdev/ieee802154_submac.h
View File

@ -38,8 +38,9 @@ extern "C" {
#include "xtimer.h"
#define NETDEV_SUBMAC_FLAGS_ACK_TIMEOUT (1 << 0) /**< Flag for ACK Timeout event */
#define NETDEV_SUBMAC_FLAGS_TX_DONE (1 << 1) /**< Flag for TX Done event */
#define NETDEV_SUBMAC_FLAGS_RX_DONE (1 << 2) /**< Flag for RX Done event */
#define NETDEV_SUBMAC_FLAGS_TX_DONE (1 << 1) /**< Flag for TX Done event */
#define NETDEV_SUBMAC_FLAGS_RX_DONE (1 << 2) /**< Flag for RX Done event */
#define NETDEV_SUBMAC_FLAGS_CRC_ERROR (1 << 3) /**< Flag for CRC ERROR event */
/**
* @brief IEEE 802.15.4 SubMAC netdev descriptor

8
drivers/netdev_ieee802154_submac/netdev_ieee802154_submac.c
View File

@ -178,6 +178,10 @@ static void _isr(netdev_t *netdev)
if (flags & NETDEV_SUBMAC_FLAGS_RX_DONE) {
ieee802154_submac_rx_done_cb(submac);
}
if (flags & NETDEV_SUBMAC_FLAGS_CRC_ERROR) {
ieee802154_submac_crc_error_cb(submac);
}
} while (netdev_submac->isr_flags != 0);
}
@ -268,6 +272,10 @@ static void _hal_radio_cb(ieee802154_dev_t *dev, ieee802154_trx_ev_t status)
break;
case IEEE802154_RADIO_INDICATION_RX_DONE:
netdev_submac->isr_flags |= NETDEV_SUBMAC_FLAGS_RX_DONE;
break;
case IEEE802154_RADIO_INDICATION_CRC_ERROR:
netdev_submac->isr_flags |= NETDEV_SUBMAC_FLAGS_CRC_ERROR;
break;
default:
break;
}

7
sys/include/net/ieee802154/submac.h
View File

@ -379,6 +379,13 @@ void ieee802154_submac_ack_timeout_fired(ieee802154_submac_t *submac);
*/
void ieee802154_submac_rx_done_cb(ieee802154_submac_t *submac);
/**
* @brief Indicate the SubMAC that a frame with invalid CRC was received.
*
* @param[in] submac pointer to the SubMAC descriptor
*/
void ieee802154_submac_crc_error_cb(ieee802154_submac_t *submac);
/**
* @brief Indicate the SubMAC that the device finished the transmission procedure.
*

8
sys/net/link_layer/ieee802154/submac.c
View File

@ -147,6 +147,14 @@ void ieee802154_submac_ack_timeout_fired(ieee802154_submac_t *submac)
}
}
void ieee802154_submac_crc_error_cb(ieee802154_submac_t *submac)
{
ieee802154_dev_t *dev = submac->dev;
/* switch back to RX_ON state */
ieee802154_radio_request_set_trx_state(dev, IEEE802154_TRX_STATE_RX_ON);
while (ieee802154_radio_confirm_set_trx_state(dev) == -EAGAIN) {}
}
/* All callbacks run in the same context */
void ieee802154_submac_rx_done_cb(ieee802154_submac_t *submac)
{