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gnrc/netif: small doc improvement

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This commit is contained in:
Elena Frank 2025-09-09 15:49:29 +02:00
parent 861a05ec27
commit bb04bc17a8
1 changed files with 3 additions and 2 deletions
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5
sys/net/gnrc/netif/gnrc_netif.c
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@ -1950,8 +1950,9 @@ static void _send(gnrc_netif_t *netif, gnrc_pktsnip_t *pkt, bool push_back)
int res = netif->ops->send(netif, pkt);
/* For legacy netdevs (no confirm_send) TX is blocking, thus it is always
* completed. For new netdevs (with confirm_send), TX is async. It is only
* done if TX failed right away (res < 0).
* completed. For new netdevs (with confirm_send), TX is usually async (res == 0).
* It is only done if TX failed right away (res < 0) or if the driver signaled
* that the transmission already completed (res > 0).
*/
if (gnrc_netif_netdev_legacy_api(netif) || (res != 0)) {
_tx_done(netif, pkt, tx_sync, res, push_back);