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drivers: ieee802154: reverse ack data ext addr string

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When ack data for extended address is set with the
nrf_802154_ack_data_set function, the extended address
must be reversed to the IEEE 802.15.4 address transmit
order in order to be properly matched.

Signed-off-by: Rafał Kuźnia <rafal.kuznia@nordicsemi.no>
This commit is contained in:
Rafał Kuźnia 2021-08-30 16:36:26 +02:00 • committed by Carles Cufí
commit 3053a931a3
2 changed files with 16 additions and 4 deletions
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13
drivers/ieee802154/ieee802154_nrf5.c
View file

@ -842,11 +842,16 @@ static int nrf5_configure(const struct device *dev,
uint8_t ext_addr_le[EXTENDED_ADDRESS_SIZE];
sys_put_le16(config->ack_ie.short_addr, short_addr_le);
#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
memcpy(ext_addr_le, config->ack_ie.ext_addr, EXTENDED_ADDRESS_SIZE);
#else
/**
* The extended address field passed to this function starts
* with the leftmost octet and ends with the rightmost octet.
* The IEEE 802.15.4 transmission order mandates this order to be
* reversed in a transmitted frame.
*
* The nrf_802154_ack_data_set expects extended address in transmission
* order.
*/
sys_memcpy_swap(ext_addr_le, config->ack_ie.ext_addr, EXTENDED_ADDRESS_SIZE);
#endif
if (config->ack_ie.data_len > 0) {
nrf_802154_ack_data_set(short_addr_le, false, config->ack_ie.data,

7
include/net/ieee802154_radio.h
View file

@ -281,6 +281,13 @@ struct ieee802154_config {
const uint8_t *data;
uint16_t data_len;
uint16_t short_addr;
/**
* The extended address is expected to be passed starting
* with the leftmost octet and ending with the rightmost octet.
* A device with an extended address 01:23:45:67:89:ab:cd:ef
* should provide a pointer to array containing values in the
* same exact order.
*/
const uint8_t *ext_addr;
} ack_ie;
};