Commit f0488c54 authored by Alex Elder's avatar Alex Elder Committed by David S. Miller
Browse files

net: ipa: move endpoint configuration data definitions 



Move the definitions of the structures defining endpoint-specific
configuration data out of "ipa_data.h" and into "ipa_endpoint.h".
This is a trivial movement of code without any other change, to
prepare for the next few patches.

Signed-off-by: default avatarAlex Elder <elder@linaro.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 75944b04

drivers/net/ipa/ipa_data.h

+0 −62
Original line number Diff line number Diff line
@@ -95,68 +95,6 @@ struct gsi_channel_data { 
	u8 tlv_count;

};



/**

 * struct ipa_endpoint_tx_data - configuration data for TX endpoints

 * @seq_type:		primary packet processing sequencer type

 * @seq_rep_type:	sequencer type for replication processing

 * @status_endpoint:	endpoint to which status elements are sent

 *

 * The @status_endpoint is only valid if the endpoint's @status_enable

 * flag is set.

 */

struct ipa_endpoint_tx_data {

	enum ipa_seq_type seq_type;

	enum ipa_seq_rep_type seq_rep_type;

	enum ipa_endpoint_name status_endpoint;

};



/**

 * struct ipa_endpoint_rx_data - configuration data for RX endpoints

 * @buffer_size: requested receive buffer size (bytes)

 * @pad_align:	power-of-2 boundary to which packet payload is aligned

 * @aggr_close_eof: whether aggregation closes on end-of-frame

 *

 * With each packet it transfers, the IPA hardware can perform certain

 * transformations of its packet data.  One of these is adding pad bytes

 * to the end of the packet data so the result ends on a power-of-2 boundary.

 *

 * It is also able to aggregate multiple packets into a single receive buffer.

 * Aggregation is "open" while a buffer is being filled, and "closes" when

 * certain criteria are met.  One of those criteria is the sender indicating

 * a "frame" consisting of several transfers has ended.

 */

struct ipa_endpoint_rx_data {

	u32 buffer_size;

	u32 pad_align;

	bool aggr_close_eof;

};



/**

 * struct ipa_endpoint_config_data - IPA endpoint hardware configuration

 * @resource_group:	resource group to assign endpoint to

 * @checksum:		whether checksum offload is enabled

 * @qmap:		whether endpoint uses QMAP protocol

 * @aggregation:	whether endpoint supports aggregation

 * @status_enable:	whether endpoint uses status elements

 * @dma_mode:		whether endpoint operates in DMA mode

 * @dma_endpoint:	peer endpoint, if operating in DMA mode

 * @tx:			TX-specific endpoint information (see above)

 * @rx:			RX-specific endpoint information (see above)

 */

struct ipa_endpoint_config_data {

	u32 resource_group;

	bool checksum;

	bool qmap;

	bool aggregation;

	bool status_enable;

	bool dma_mode;

	enum ipa_endpoint_name dma_endpoint;

	union {

		struct ipa_endpoint_tx_data tx;

		struct ipa_endpoint_rx_data rx;

	};

};



/**

 * struct ipa_endpoint_data - IPA endpoint configuration data

 * @filter_support:	whether endpoint supports filtering

drivers/net/ipa/ipa_endpoint.h

+62 −0
Original line number Diff line number Diff line
@@ -40,6 +40,68 @@ enum ipa_endpoint_name { 


#define IPA_ENDPOINT_MAX		32	/* Max supported by driver */



/**

 * struct ipa_endpoint_tx_data - configuration data for TX endpoints

 * @seq_type:		primary packet processing sequencer type

 * @seq_rep_type:	sequencer type for replication processing

 * @status_endpoint:	endpoint to which status elements are sent

 *

 * The @status_endpoint is only valid if the endpoint's @status_enable

 * flag is set.

 */

struct ipa_endpoint_tx_data {

	enum ipa_seq_type seq_type;

	enum ipa_seq_rep_type seq_rep_type;

	enum ipa_endpoint_name status_endpoint;

};



/**

 * struct ipa_endpoint_rx_data - configuration data for RX endpoints

 * @buffer_size: requested receive buffer size (bytes)

 * @pad_align:	power-of-2 boundary to which packet payload is aligned

 * @aggr_close_eof: whether aggregation closes on end-of-frame

 *

 * With each packet it transfers, the IPA hardware can perform certain

 * transformations of its packet data.  One of these is adding pad bytes

 * to the end of the packet data so the result ends on a power-of-2 boundary.

 *

 * It is also able to aggregate multiple packets into a single receive buffer.

 * Aggregation is "open" while a buffer is being filled, and "closes" when

 * certain criteria are met.  One of those criteria is the sender indicating

 * a "frame" consisting of several transfers has ended.

 */

struct ipa_endpoint_rx_data {

	u32 buffer_size;

	u32 pad_align;

	bool aggr_close_eof;

};



/**

 * struct ipa_endpoint_config_data - IPA endpoint hardware configuration

 * @resource_group:	resource group to assign endpoint to

 * @checksum:		whether checksum offload is enabled

 * @qmap:		whether endpoint uses QMAP protocol

 * @aggregation:	whether endpoint supports aggregation

 * @status_enable:	whether endpoint uses status elements

 * @dma_mode:		whether endpoint operates in DMA mode

 * @dma_endpoint:	peer endpoint, if operating in DMA mode

 * @tx:			TX-specific endpoint information (see above)

 * @rx:			RX-specific endpoint information (see above)

 */

struct ipa_endpoint_config_data {

	u32 resource_group;

	bool checksum;

	bool qmap;

	bool aggregation;

	bool status_enable;

	bool dma_mode;

	enum ipa_endpoint_name dma_endpoint;

	union {

		struct ipa_endpoint_tx_data tx;

		struct ipa_endpoint_rx_data rx;

	};

};



/**

 * enum ipa_replenish_flag:	RX buffer replenish flags

 *