MAX_DESC_TXBBS 68 drivers/net/ethernet/mellanox/mlx4/en_tx.c ring->full_size = ring->size - HEADROOM - MAX_DESC_TXBBS; MAX_DESC_TXBBS 878 drivers/net/ethernet/mellanox/mlx4/en_tx.c if (unlikely(nr_txbb > MAX_DESC_TXBBS)) {