Commit 38d28b02 authored by Ioana Ciornei's avatar Ioana Ciornei Committed by David S. Miller
Browse files

dpaa2-mac: add the MC API for retrieving the version 



The dpmac_get_api_version command will be used in the next patches to
determine if the current firmware is capable or not to change the
Ethernet protocol running on the MAC.

Signed-off-by: default avatarIoana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent c553f22e

drivers/net/ethernet/freescale/dpaa2/dpmac-cmd.h

+7 −0
Original line number Diff line number Diff line
@@ -19,6 +19,8 @@ 
#define DPMAC_CMDID_CLOSE		DPMAC_CMD(0x800)

#define DPMAC_CMDID_OPEN		DPMAC_CMD(0x80c)



#define DPMAC_CMDID_GET_API_VERSION	DPMAC_CMD(0xa0c)



#define DPMAC_CMDID_GET_ATTR		DPMAC_CMD(0x004)

#define DPMAC_CMDID_SET_LINK_STATE	DPMAC_CMD_V2(0x0c3)
@@ -70,4 +72,9 @@ struct dpmac_rsp_get_counter { 
	__le64 counter;

};



struct dpmac_rsp_get_api_version {

	__le16 major;

	__le16 minor;

};



#endif /* _FSL_DPMAC_CMD_H */

drivers/net/ethernet/freescale/dpaa2/dpmac.c

+31 −0
Original line number Diff line number Diff line
@@ -181,3 +181,34 @@ int dpmac_get_counter(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token, 


	return 0;

}



/**

 * dpmac_get_api_version() - Get Data Path MAC 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 mac API

 * @minor_ver:	Minor version of data path mac API

 *

 * Return:  '0' on Success; Error code otherwise.

 */

int dpmac_get_api_version(struct fsl_mc_io *mc_io, u32 cmd_flags,

			  u16 *major_ver, u16 *minor_ver)

{

	struct dpmac_rsp_get_api_version *rsp_params;

	struct fsl_mc_command cmd = { 0 };

	int err;



	cmd.header = mc_encode_cmd_header(DPMAC_CMDID_GET_API_VERSION,

					  cmd_flags,

					  0);



	err = mc_send_command(mc_io, &cmd);

	if (err)

		return err;



	rsp_params = (struct dpmac_rsp_get_api_version *)cmd.params;

	*major_ver = le16_to_cpu(rsp_params->major);

	*minor_ver = le16_to_cpu(rsp_params->minor);



	return 0;

}

drivers/net/ethernet/freescale/dpaa2/dpmac.h

+2 −0
Original line number Diff line number Diff line
@@ -205,4 +205,6 @@ enum dpmac_counter_id { 
int dpmac_get_counter(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,

		      enum dpmac_counter_id id, u64 *value);



int dpmac_get_api_version(struct fsl_mc_io *mc_io, u32 cmd_flags,

			  u16 *major_ver, u16 *minor_ver);

#endif /* __FSL_DPMAC_H */