amazon/ena/ena_netdev.h

1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
3  * Copyright 2015-2020 Amazon.com, Inc. or its affiliates. All rights reserved.
60 #define ENA_DEFAULT_RX_COPYBREAK	(256 - NET_IP_ALIGN)
77 /* Refill Rx queue when number of required descriptors is above
83 /* Number of queues to check for missing queues per timer service */
88 #define ENA_TX_RING_IDX_NEXT(idx, ring_size) (((idx) + 1) & ((ring_size) - 1))
90 #define ENA_RX_RING_IDX_NEXT(idx, ring_size) (((idx) + 1) & ((ring_size) - 1))
92 	(((idx) + (n)) & ((ring_size) - 1))
97 #define ENA_IO_RXQ_IDX_TO_COMBINED_IDX(q)	(((q) - 1) / 2)
136 		 * the xdp queues
140 	/* num of ena desc for this specific skb
144 	/* num of buffers used by this skb */
219 	/* Holds the empty requests for TX/RX
241 	/* Used for rx queues only to point to the xdp tx ring, to
242 	 * which traffic should be redirected from this rx ring.
312 	/* rx packets that shorter that this len will be copied to the skb
356 	/* RX */
409 	adapter->reset_reason = reset_reason;  in ena_reset_device()
412 	set_bit(ENA_FLAG_TRIGGER_RESET, &adapter->flags);  in ena_reset_device()
429 	ena_com_write_sq_doorbell(tx_ring->ena_com_io_sq);  in ena_ring_tx_doorbell()
430 	ena_increase_stat(&tx_ring->tx_stats.doorbells, 1, &tx_ring->syncp);  in ena_ring_tx_doorbell()