As we are actually using a BD for both the skb and each frag contained in
it, the oldest TX BD would be overwritten when there was exactly one BD
less than needed.
Signed-off-by: Esben Haabendal <esben@geanix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
start_p = lp->tx_bd_p + sizeof(*lp->tx_bd_v) * lp->tx_bd_tail;
cur_p = &lp->tx_bd_v[lp->tx_bd_tail];
- if (temac_check_tx_bd_space(lp, num_frag)) {
+ if (temac_check_tx_bd_space(lp, num_frag + 1)) {
if (!netif_queue_stopped(ndev))
netif_stop_queue(ndev);
return NETDEV_TX_BUSY;