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

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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: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ioana Ciornei 2022-03-11 23:22:23 +02:00 committed by David S. Miller
parent c553f22e05
commit 38d28b02a0
3 changed files with 40 additions and 0 deletions
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7
drivers/net/ethernet/freescale/dpaa2/dpmac-cmd.h
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@ -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 */

31
drivers/net/ethernet/freescale/dpaa2/dpmac.c
View File

@ -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;
}

2
drivers/net/ethernet/freescale/dpaa2/dpmac.h
View File

@ -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 */