ethernet/sfc/net_driver.h

179  *	Is our index within @channel->tx_queue array.
183  * @channel: The associated channel
194  * @timestamping: Is timestamping enabled for this channel?
247 	struct efx_channel *channel;
421  * struct efx_channel - An Efx channel
423  * A channel comprises an event queue, at least one TX queue, at least
428  * @channel: Channel instance number
441  * @event_test_cpu: Last CPU to handle interrupt or test event for this channel
476  * @rx_queue: RX queue for this channel
477  * @tx_queue: TX queues for this channel
479  * @sync_events_state: Current state of sync events on this channel
485 	int channel;
552  * @index: Index of the channel/IRQ
553  * @name: Name of the channel/IRQ
566  * @handle_no_channel: Handle failure to allocate an extra channel
572  * @get_name: Generate the channel's name (used for its IRQ handler)
573  * @copy: Copy the channel state prior to reallocation.  May be %NULL if
577  * @want_txqs: Determine whether this channel should have TX queues
582  *	channel's TX queues.
771  * @rxq_index: channel to which the filter will steer traffic.
794  * @rxq_index: Identifies the channel for which this request was made
849  * @channel: Channels
868  * @tx_queues_per_channel: number of TX queues probed on each channel
870  * @xdp_channel_offset: Offset of zeroth channel used for XPD TX.
871  * @xdp_tx_per_channel: Max number of TX queues on an XDP TX channel.
884  *	(valid only if channel->sync_timestamps_enabled; always negative)
1010 	struct efx_channel *channel[EFX_MAX_CHANNELS];
1263  * @irq_handle_msi: Handle MSI for a channel.  The @dev_id argument is
1264  *	a pointer to the &struct efx_msi_context for the channel.
1283  * @rx_packet: Receive the queued RX buffer on a channel
1368 	bool (*handle_global_event)(struct efx_channel *channel, efx_qword_t *);
1380 	void (*push_irq_moderation)(struct efx_channel *channel);
1430 	void (*rx_packet)(struct efx_channel *channel);
1432 	int (*ev_probe)(struct efx_channel *channel);
1433 	int (*ev_init)(struct efx_channel *channel);
1434 	void (*ev_fini)(struct efx_channel *channel);
1435 	void (*ev_remove)(struct efx_channel *channel);
1436 	int (*ev_process)(struct efx_channel *channel, int quota);
1437 	void (*ev_read_ack)(struct efx_channel *channel);
1438 	void (*ev_test_generate)(struct efx_channel *channel);
1540 	return efx->channel[index];
1545 	for (_channel = (_efx)->channel[0];				\
1547 	     _channel = (_channel->channel + 1 < (_efx)->n_channels) ?	\
1548 		     (_efx)->channel[_channel->channel + 1] : NULL)
1552 	for (_channel = (_efx)->channel[(_efx)->n_channels - 1];	\
1554 	     _channel = _channel->channel ?				\
1555 		     (_efx)->channel[_channel->channel - 1] : NULL)
1561 	return efx->channel[efx->tx_channel_offset + index];
1568 	return efx->channel[efx->xdp_channel_offset + index];
1571 static inline bool efx_channel_is_xdp_tx(struct efx_channel *channel)
1573 	return channel->channel - channel->efx->xdp_channel_offset <
1574 	       channel->efx->n_xdp_channels;
1577 static inline bool efx_channel_has_tx_queues(struct efx_channel *channel)
1579 	return channel && channel->channel >= channel->efx->tx_channel_offset;
1582 static inline unsigned int efx_channel_num_tx_queues(struct efx_channel *channel)
1584 	if (efx_channel_is_xdp_tx(channel))
1585 		return channel->efx->xdp_tx_per_channel;
1586 	return channel->efx->tx_queues_per_channel;
1590 efx_channel_get_tx_queue(struct efx_channel *channel, unsigned int type)
1593 	return channel->tx_queue_by_type[type];
1599 	struct efx_channel *channel = efx_get_tx_channel(efx, index);
1601 	return efx_channel_get_tx_queue(channel, type);
1604 /* Iterate over all TX queues belonging to a channel */
1614 static inline bool efx_channel_has_rx_queue(struct efx_channel *channel)
1616 	return channel->rx_queue.core_index >= 0;
1620 efx_channel_get_rx_queue(struct efx_channel *channel)
1622 	EFX_WARN_ON_ONCE_PARANOID(!efx_channel_has_rx_queue(channel));
1623 	return &channel->rx_queue;
1626 /* Iterate over all RX queues belonging to a channel */
1643 	return efx_rx_queue_channel(rx_queue)->channel;
1694 /* Get the max fill level of the TX queues on this channel */
1696 efx_channel_tx_fill_level(struct efx_channel *channel)
1701 	efx_for_each_channel_tx_queue(tx_queue, channel)
1710 efx_channel_tx_old_fill_level(struct efx_channel *channel)
1715 	efx_for_each_channel_tx_queue(tx_queue, channel)