diff options
| author | Ioana Ciornei <ioana.ciornei@nxp.com> | 2022-03-12 00:22:23 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2022-03-14 13:41:50 +0300 |
| commit | 38d28b02a08e006f2153dc8414775f811b02fa7a (patch) | |
| tree | f3107e7728422b3366325182cb26338a6cf8dbb5 /drivers | |
| parent | c553f22e0531f41bbf6fd0a06e98110c71f66bdf (diff) | |
| download | linux-38d28b02a08e006f2153dc8414775f811b02fa7a.tar.xz | |
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: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/freescale/dpaa2/dpmac-cmd.h | 7 | ||||
| -rw-r--r-- | drivers/net/ethernet/freescale/dpaa2/dpmac.c | 31 | ||||
| -rw-r--r-- | drivers/net/ethernet/freescale/dpaa2/dpmac.h | 2 |
3 files changed, 40 insertions, 0 deletions
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpmac-cmd.h b/drivers/net/ethernet/freescale/dpaa2/dpmac-cmd.h index a24b20f76938..e1e06b21110d 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpmac-cmd.h +++ b/drivers/net/ethernet/freescale/dpaa2/dpmac-cmd.h @@ -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 */ diff --git a/drivers/net/ethernet/freescale/dpaa2/dpmac.c b/drivers/net/ethernet/freescale/dpaa2/dpmac.c index d5997b654562..d348a7567d87 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpmac.c +++ b/drivers/net/ethernet/freescale/dpaa2/dpmac.c @@ -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; +} diff --git a/drivers/net/ethernet/freescale/dpaa2/dpmac.h b/drivers/net/ethernet/freescale/dpaa2/dpmac.h index 8f7ceb731282..b580fb4164b5 100644 --- a/drivers/net/ethernet/freescale/dpaa2/dpmac.h +++ b/drivers/net/ethernet/freescale/dpaa2/dpmac.h @@ -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 */ |