1 files changed, 179 insertions, 226 deletions

diff --git a/drivers/net/fsl-mc/dprc.c b/drivers/net/fsl-mc/dprc.c
index e0a2865ab8..d1a74ab47a 100644
--- a/drivers/net/fsl-mc/dprc.c
+++ b/drivers/net/fsl-mc/dprc.c
@@ -3,16 +3,22 @@
  * Freescale Layerscape MC I/O wrapper
  *
  * Copyright 2013-2016 Freescale Semiconductor, Inc.
- * Copyright 2017 NXP
+ * Copyright 2017, 2023 NXP
  */
 
 #include <fsl-mc/fsl_mc_sys.h>
 #include <fsl-mc/fsl_mc_cmd.h>
 #include <fsl-mc/fsl_dprc.h>
 
-int dprc_get_container_id(struct fsl_mc_io *mc_io,
-			  uint32_t cmd_flags,
-			  int *container_id)
+/**
+ * dprc_get_container_id - Get container ID associated with a given portal.
+ * @mc_io:		Pointer to Mc portal's I/O object
+ * @cmd_flags:		Command flags; one or more of 'MC_CMD_FLAG_'
+ * @container_id:	Requested container id
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dprc_get_container_id(struct fsl_mc_io *mc_io, u32 cmd_flags, int *container_id)
 {
 	struct mc_command cmd = { 0 };
 	int err;
@@ -28,23 +34,33 @@ int dprc_get_container_id(struct fsl_mc_io *mc_io,
 		return err;
 
 	/* retrieve response parameters */
-	DPRC_RSP_GET_CONTAINER_ID(cmd, *container_id);
+	*container_id = (int)mc_cmd_read_object_id(&cmd);
 
 	return 0;
 }
 
-int dprc_open(struct fsl_mc_io *mc_io,
-	      uint32_t cmd_flags,
-	      int container_id,
-	      uint16_t *token)
+/**
+ * dprc_open() - Open DPRC object for use
+ * @mc_io:		Pointer to MC portal's I/O object
+ * @cmd_flags:		Command flags; one or more of 'MC_CMD_FLAG_'
+ * @container_id:	Container ID to open
+ * @token:		Returned token of DPRC object
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ *
+ * @warning	Required before any operation on the object.
+ */
+int dprc_open(struct fsl_mc_io *mc_io, u32 cmd_flags, int container_id, u16 *token)
 {
+	struct dprc_cmd_open *cmd_params;
 	struct mc_command cmd = { 0 };
 	int err;
 
 	/* prepare command */
 	cmd.header = mc_encode_cmd_header(DPRC_CMDID_OPEN, cmd_flags,
 					  0);
-	DPRC_CMD_OPEN(cmd, container_id);
+	cmd_params = (struct dprc_cmd_open *)cmd.params;
+	cmd_params->container_id = cpu_to_le32(container_id);
 
 	/* send command to mc*/
 	err = mc_send_command(mc_io, &cmd);
@@ -52,14 +68,23 @@ int dprc_open(struct fsl_mc_io *mc_io,
 		return err;
 
 	/* retrieve response parameters */
-	*token = MC_CMD_HDR_READ_TOKEN(cmd.header);
+	*token = mc_cmd_hdr_read_token(&cmd);
 
 	return 0;
 }
 
-int dprc_close(struct fsl_mc_io *mc_io,
-	       uint32_t cmd_flags,
-	       uint16_t token)
+/**
+ * dprc_close() - Close the control session of the object
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPRC object
+ *
+ * After this function is called, no further operations are
+ * allowed on the object without opening a new control session.
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dprc_close(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token)
 {
 	struct mc_command cmd = { 0 };
 
@@ -71,22 +96,35 @@ int dprc_close(struct fsl_mc_io *mc_io,
 	return mc_send_command(mc_io, &cmd);
 }
 
-int dprc_create_container(struct fsl_mc_io *mc_io,
-			  uint32_t cmd_flags,
-			  uint16_t token,
-			  struct dprc_cfg *cfg,
-			  int *child_container_id,
-			  uint64_t *child_portal_paddr)
+/**
+ * dprc_create_container() - Create child container
+ * @mc_io:		Pointer to MC portal's I/O object
+ * @cmd_flags:		Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:		Token of DPRC object
+ * @cfg:		Child container configuration
+ * @child_container_id:	Returned child container ID
+ * @child_portal_offset:Returned child portal offset from MC portal base
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dprc_create_container(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
+			  struct dprc_cfg *cfg, int *child_container_id,
+			  uint64_t *child_portal_offset)
 {
+	struct dprc_cmd_create_container *cmd_params;
+	struct dprc_rsp_create_container *rsp_params;
 	struct mc_command cmd = { 0 };
-	int err;
+	int err, i;
 
 	/* prepare command */
-	DPRC_CMD_CREATE_CONTAINER(cmd, cfg);
-
 	cmd.header = mc_encode_cmd_header(DPRC_CMDID_CREATE_CONT,
-					  cmd_flags,
-					  token);
+					  cmd_flags, token);
+	cmd_params = (struct dprc_cmd_create_container *)cmd.params;
+	cmd_params->options = cpu_to_le32(cfg->options);
+	cmd_params->icid = cpu_to_le32(cfg->icid);
+	cmd_params->portal_id = cpu_to_le32(cfg->portal_id);
+	for (i = 0; i < 16; i++)
+		cmd_params->label[i] = cfg->label[i];
 
 	/* send command to mc*/
 	err = mc_send_command(mc_io, &cmd);
@@ -94,253 +132,156 @@ int dprc_create_container(struct fsl_mc_io *mc_io,
 		return err;
 
 	/* retrieve response parameters */
-	DPRC_RSP_CREATE_CONTAINER(cmd, *child_container_id,
-				  *child_portal_paddr);
+	rsp_params = (struct dprc_rsp_create_container *)cmd.params;
+	*child_container_id = le32_to_cpu(rsp_params->child_container_id);
+	*child_portal_offset = le64_to_cpu(rsp_params->child_portal_addr);
 
 	return 0;
 }
 
-int dprc_destroy_container(struct fsl_mc_io *mc_io,
-			   uint32_t cmd_flags,
-			   uint16_t token,
+/**
+ * dprc_destroy_container() - Destroy child container.
+ * @mc_io:		Pointer to MC portal's I/O object
+ * @cmd_flags:		Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:		Token of DPRC object
+ * @child_container_id:	ID of the container to destroy
+ *
+ * This function terminates the child container, so following this call the
+ * child container ID becomes invalid.
+ *
+ * Notes:
+ * - All resources and objects of the destroyed container are returned to the
+ * parent container or destroyed if were created be the destroyed container.
+ * - This function destroy all the child containers of the specified
+ *   container prior to destroying the container itself.
+ *
+ * warning: Only the parent container is allowed to destroy a child policy
+ *		Container 0 can't be destroyed
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ *
+ */
+int dprc_destroy_container(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
 			   int child_container_id)
 {
+	struct dprc_cmd_destroy_container *cmd_params;
 	struct mc_command cmd = { 0 };
 
 	/* prepare command */
 	cmd.header = mc_encode_cmd_header(DPRC_CMDID_DESTROY_CONT,
-					  cmd_flags,
-					  token);
-	DPRC_CMD_DESTROY_CONTAINER(cmd, child_container_id);
+					  cmd_flags, token);
+	cmd_params = (struct dprc_cmd_destroy_container *)cmd.params;
+	cmd_params->child_container_id = cpu_to_le32(child_container_id);
 
 	/* send command to mc*/
 	return mc_send_command(mc_io, &cmd);
 }
 
-int dprc_reset_container(struct fsl_mc_io *mc_io,
-			 uint32_t cmd_flags,
-			 uint16_t token,
-			 int child_container_id)
-{
-	struct mc_command cmd = { 0 };
-
-	/* prepare command */
-	cmd.header = mc_encode_cmd_header(DPRC_CMDID_RESET_CONT,
-					  cmd_flags,
-					  token);
-	DPRC_CMD_RESET_CONTAINER(cmd, child_container_id);
-
-	/* send command to mc*/
-	return mc_send_command(mc_io, &cmd);
-}
-
-int dprc_get_attributes(struct fsl_mc_io *mc_io,
-			uint32_t cmd_flags,
-			uint16_t token,
-			struct dprc_attributes *attr)
-{
-	struct mc_command cmd = { 0 };
-	int err;
-
-	/* prepare command */
-	cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_ATTR,
-					  cmd_flags,
-					  token);
-
-	/* send command to mc*/
-	err = mc_send_command(mc_io, &cmd);
-	if (err)
-		return err;
-
-	/* retrieve response parameters */
-	DPRC_RSP_GET_ATTRIBUTES(cmd, attr);
-
-	return 0;
-}
-
-int dprc_get_obj_count(struct fsl_mc_io *mc_io,
-		       uint32_t cmd_flags,
-		       uint16_t token,
-		       int *obj_count)
-{
-	struct mc_command cmd = { 0 };
-	int err;
-
-	/* prepare command */
-	cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_OBJ_COUNT,
-					  cmd_flags,
-					  token);
-
-	/* send command to mc*/
-	err = mc_send_command(mc_io, &cmd);
-	if (err)
-		return err;
-
-	/* retrieve response parameters */
-	DPRC_RSP_GET_OBJ_COUNT(cmd, *obj_count);
-
-	return 0;
-}
-
-int dprc_get_obj(struct fsl_mc_io *mc_io,
-		 uint32_t cmd_flags,
-		 uint16_t token,
-		 int obj_index,
-		 struct dprc_obj_desc *obj_desc)
-{
-	struct mc_command cmd = { 0 };
-	int err;
-
-	/* prepare command */
-	cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_OBJ,
-					  cmd_flags,
-					  token);
-	DPRC_CMD_GET_OBJ(cmd, obj_index);
-
-	/* send command to mc*/
-	err = mc_send_command(mc_io, &cmd);
-	if (err)
-		return err;
-
-	/* retrieve response parameters */
-	DPRC_RSP_GET_OBJ(cmd, obj_desc);
-
-	return 0;
-}
-
-int dprc_get_res_count(struct fsl_mc_io *mc_io,
-		       uint32_t cmd_flags,
-		       uint16_t token,
-		       char *type,
-		       int *res_count)
-{
-	struct mc_command cmd = { 0 };
-	int err;
-
-	*res_count = 0;
-
-	/* prepare command */
-	cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_RES_COUNT,
-					  cmd_flags,
-					  token);
-	DPRC_CMD_GET_RES_COUNT(cmd, type);
-
-	/* send command to mc*/
-	err = mc_send_command(mc_io, &cmd);
-	if (err)
-		return err;
-
-	/* retrieve response parameters */
-	DPRC_RSP_GET_RES_COUNT(cmd, *res_count);
-
-	return 0;
-}
-
-int dprc_get_res_ids(struct fsl_mc_io *mc_io,
-		     uint32_t cmd_flags,
-		     uint16_t token,
-		     char *type,
-		     struct dprc_res_ids_range_desc *range_desc)
-{
-	struct mc_command cmd = { 0 };
-	int err;
-
-	/* prepare command */
-	cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_RES_IDS,
-					  cmd_flags,
-					  token);
-	DPRC_CMD_GET_RES_IDS(cmd, range_desc, type);
-
-	/* send command to mc*/
-	err = mc_send_command(mc_io, &cmd);
-	if (err)
-		return err;
-
-	/* retrieve response parameters */
-	DPRC_RSP_GET_RES_IDS(cmd, range_desc);
-
-	return 0;
-}
-
-int dprc_get_obj_region(struct fsl_mc_io *mc_io,
-			uint32_t cmd_flags,
-			uint16_t token,
-			char *obj_type,
-			int obj_id,
-			uint8_t region_index,
-			struct dprc_region_desc *region_desc)
-{
-	struct mc_command cmd = { 0 };
-	int err;
-
-	/* prepare command */
-	cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_OBJ_REG,
-					  cmd_flags,
-					  token);
-	DPRC_CMD_GET_OBJ_REGION(cmd, obj_type, obj_id, region_index);
-
-	/* send command to mc*/
-	err = mc_send_command(mc_io, &cmd);
-	if (err)
-		return err;
-
-	/* retrieve response parameters */
-	DPRC_RSP_GET_OBJ_REGION(cmd, region_desc);
-
-	return 0;
-}
-
-int dprc_connect(struct fsl_mc_io *mc_io,
-		 uint32_t cmd_flags,
-		 uint16_t token,
+/**
+ * dprc_connect() - Connect two endpoints to create a network link between them
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPRC object
+ * @endpoint1:	Endpoint 1 configuration parameters
+ * @endpoint2:	Endpoint 2 configuration parameters
+ * @cfg:	Connection configuration. The connection configuration
+ *		is ignored for connections made to DPMAC objects, where
+ *		rate is retrieved from the MAC configuration.
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dprc_connect(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
 		 const struct dprc_endpoint *endpoint1,
 		 const struct dprc_endpoint *endpoint2,
 		 const struct dprc_connection_cfg *cfg)
 {
+	struct dprc_cmd_connect *cmd_params;
 	struct mc_command cmd = { 0 };
+	int i;
 
 	/* prepare command */
 	cmd.header = mc_encode_cmd_header(DPRC_CMDID_CONNECT,
 					  cmd_flags,
 					  token);
-	DPRC_CMD_CONNECT(cmd, endpoint1, endpoint2, cfg);
+	cmd_params = (struct dprc_cmd_connect *)cmd.params;
+	cmd_params->ep1_id = cpu_to_le32(endpoint1->id);
+	cmd_params->ep1_interface_id = cpu_to_le16(endpoint1->if_id);
+	cmd_params->ep2_id = cpu_to_le32(endpoint2->id);
+	cmd_params->ep2_interface_id = cpu_to_le16(endpoint2->if_id);
+	cmd_params->max_rate = cpu_to_le32(cfg->max_rate);
+	cmd_params->committed_rate = cpu_to_le32(cfg->committed_rate);
+	for (i = 0; i < 16; i++) {
+		cmd_params->ep1_type[i] = endpoint1->type[i];
+		cmd_params->ep2_type[i] = endpoint2->type[i];
+	}
 
 	/* send command to mc*/
 	return mc_send_command(mc_io, &cmd);
 }
 
-int dprc_disconnect(struct fsl_mc_io *mc_io,
-		    uint32_t cmd_flags,
-		    uint16_t token,
+/**
+ * dprc_disconnect() - Disconnect one endpoint to remove its network connection
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPRC object
+ * @endpoint:	Endpoint configuration parameters
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dprc_disconnect(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
 		    const struct dprc_endpoint *endpoint)
 {
+	struct dprc_cmd_disconnect *cmd_params;
 	struct mc_command cmd = { 0 };
+	int i;
 
 	/* prepare command */
 	cmd.header = mc_encode_cmd_header(DPRC_CMDID_DISCONNECT,
 					  cmd_flags,
 					  token);
-	DPRC_CMD_DISCONNECT(cmd, endpoint);
+	cmd_params = (struct dprc_cmd_disconnect *)cmd.params;
+	cmd_params->id = cpu_to_le32(endpoint->id);
+	cmd_params->interface_id = cpu_to_le32(endpoint->if_id);
+	for (i = 0; i < 16; i++)
+		cmd_params->type[i] = endpoint->type[i];
 
 	/* send command to mc*/
 	return mc_send_command(mc_io, &cmd);
 }
 
-int dprc_get_connection(struct fsl_mc_io *mc_io,
-			uint32_t cmd_flags,
-			uint16_t token,
+/**
+ * dprc_get_connection() - Get connected endpoint and link status if connection
+ *			exists.
+ * @mc_io:	Pointer to MC portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:	Token of DPRC object
+ * @endpoint1:	Endpoint 1 configuration parameters
+ * @endpoint2:	Returned endpoint 2 configuration parameters
+ * @state:	Returned link state:
+ *		1 - link is up;
+ *		0 - link is down;
+ *		-1 - no connection (endpoint2 information is irrelevant)
+ *
+ * Return:     '0' on Success; -ENAVAIL if connection does not exist.
+ */
+int dprc_get_connection(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
 			const struct dprc_endpoint *endpoint1,
-			struct dprc_endpoint *endpoint2,
-			int *state)
+			struct dprc_endpoint *endpoint2, int *state)
 {
+	struct dprc_cmd_get_connection *cmd_params;
+	struct dprc_rsp_get_connection *rsp_params;
 	struct mc_command cmd = { 0 };
-	int err;
+	int err, i;
 
 	/* prepare command */
 	cmd.header = mc_encode_cmd_header(DPRC_CMDID_GET_CONNECTION,
 					  cmd_flags,
 					  token);
-	DPRC_CMD_GET_CONNECTION(cmd, endpoint1);
+	cmd_params = (struct dprc_cmd_get_connection *)cmd.params;
+	cmd_params->ep1_id = cpu_to_le32(endpoint1->id);
+	cmd_params->ep1_interface_id = cpu_to_le16(endpoint1->if_id);
+	for (i = 0; i < 16; i++)
+		cmd_params->ep1_type[i] = endpoint1->type[i];
 
 	/* send command to mc*/
 	err = mc_send_command(mc_io, &cmd);
@@ -348,15 +289,27 @@ int dprc_get_connection(struct fsl_mc_io *mc_io,
 		return err;
 
 	/* retrieve response parameters */
-	DPRC_RSP_GET_CONNECTION(cmd, endpoint2, *state);
+	rsp_params = (struct dprc_rsp_get_connection *)cmd.params;
+	endpoint2->id = le32_to_cpu(rsp_params->ep2_id);
+	endpoint2->if_id = le16_to_cpu(rsp_params->ep2_interface_id);
+	*state = le32_to_cpu(rsp_params->state);
+	for (i = 0; i < 16; i++)
+		endpoint2->type[i] = rsp_params->ep2_type[i];
 
 	return 0;
 }
 
-int dprc_get_api_version(struct fsl_mc_io *mc_io,
-			 u32 cmd_flags,
-			 u16 *major_ver,
-			 u16 *minor_ver)
+/**
+ * dprc_get_api_version - Get Data Path Resource Container API version
+ * @mc_io:	Pointer to Mc portal's I/O object
+ * @cmd_flags:	Command flags; one or more of 'MC_CMD_FLAG_'
+ * @major_ver:	Major version of Data Path Resource Container API
+ * @minor_ver:	Minor version of Data Path Resource Container API
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dprc_get_api_version(struct fsl_mc_io *mc_io, u32 cmd_flags,
+			 u16 *major_ver, u16 *minor_ver)
 {
 	struct mc_command cmd = { 0 };
 	int err;