Let's parse the TRAC register in the Tx path in order to know if the offloaded transmission was successful. If not, let's return early with an error code. Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx> --- drivers/net/ieee802154/at86rf230.c | 10 +++++++++- drivers/net/ieee802154/at86rf230.h | 8 ++++++++ 2 files changed, 17 insertions(+), 1 deletion(-) diff --git a/drivers/net/ieee802154/at86rf230.c b/drivers/net/ieee802154/at86rf230.c index 8a03722cd1f7..d3cf6d23b57e 100644 --- a/drivers/net/ieee802154/at86rf230.c +++ b/drivers/net/ieee802154/at86rf230.c @@ -660,8 +660,16 @@ at86rf230_tx_trac_check(void *context) { struct at86rf230_state_change *ctx = context; struct at86rf230_local *lp = ctx->lp; + u8 trac = TRAC_MASK(ctx->buf[1]); - at86rf230_async_state_change(lp, ctx, STATE_TX_ON, at86rf230_tx_on); + switch (trac) { + case TRAC_SUCCESS: + case TRAC_SUCCESS_DATA_PENDING: + at86rf230_async_state_change(lp, ctx, STATE_TX_ON, at86rf230_tx_on); + break; + default: + at86rf230_async_error(lp, ctx, -EIO); + } } static void diff --git a/drivers/net/ieee802154/at86rf230.h b/drivers/net/ieee802154/at86rf230.h index fbdfb705c7a3..042bb27287a3 100644 --- a/drivers/net/ieee802154/at86rf230.h +++ b/drivers/net/ieee802154/at86rf230.h @@ -208,5 +208,13 @@ #define STATE_TRANSITION_IN_PROGRESS 0x1F #define TRX_STATE_MASK (0x1F) +#define TRAC_MASK(x) ((x & 0xe0) >> 5) + +#define TRAC_SUCCESS 0 +#define TRAC_SUCCESS_DATA_PENDING 1 +#define TRAC_SUCCESS_WAIT_FOR_ACK 2 +#define TRAC_CHANNEL_ACCESS_FAILURE 3 +#define TRAC_NO_ACK 5 +#define TRAC_INVALID 7 #endif /* !_AT86RF230_H */ -- 2.27.0