On 2016-05-16 14:43, Pattan, Reshma wrote: >>> This was added to allow devices, at least with one direction (RX/TX) >> supported. As, devices with both directions disabled doesn't make sense >> right? >> >> Well, not for running them, no. But this is a part of the shutdown procedure >> between tests (I should have been more clear I guess). > > Yes I understood this. But I am not sure if you can use > rte_eth_dev_configure(port, 0, 0) to free the resources. > Can you check if you can use rte_eth_dev_rx_queue_stop/ > rte_eth_dev_tx_queue_stop to achieve the same, because they do take care of > releasing mbufs, but doesn't free the queue's sw-ring and queue.
But isn't that very strange behavior. Aren't the descriptor rings allocated in rx_queue_setup()? If so, the sequence rx_queue_stop(); // Release buffers rx_queue_start(); would leave the descriptor ring empty after start, i.e., not able to receive data. // Simon
