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: Alex Elder <elder@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 62 insertions, 0 deletions

diff --git a/drivers/net/ipa/ipa_endpoint.h b/drivers/net/ipa/ipa_endpoint.h
index 12fd5b16c18e..85fe15b5d983 100644
--- a/drivers/net/ipa/ipa_endpoint.h
+++ b/drivers/net/ipa/ipa_endpoint.h
@@ -41,6 +41,68 @@ 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
  *
  * @IPA_REPLENISH_ENABLED:	Whether receive buffer replenishing is enabled