diff mbox series

[net-next,v4,3/8] dpaa2-mac: add the MC API for retrieving the version

Message ID 20220311125437.3854483-4-ioana.ciornei@nxp.com (mailing list archive)
State Superseded
Delegated to: Netdev Maintainers
Headers show
Series dpaa2-mac: add support for changing the protocol at runtime | expand

Checks

Context Check Description
netdev/tree_selection success Clearly marked for net-next
netdev/fixes_present success Fixes tag not required for -next series
netdev/subject_prefix success Link
netdev/cover_letter success Series has a cover letter
netdev/patch_count success Link
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/cc_maintainers success CCed 4 of 4 maintainers
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/module_param success Was 0 now: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 57 lines checked
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Ioana Ciornei March 11, 2022, 12:54 p.m. UTC
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>
---
Changes in v2:
	- none
Changes in v3:
	- none
Changes in v4:
	- none

 .../net/ethernet/freescale/dpaa2/dpmac-cmd.h  |  7 +++++
 drivers/net/ethernet/freescale/dpaa2/dpmac.c  | 31 +++++++++++++++++++
 drivers/net/ethernet/freescale/dpaa2/dpmac.h  |  2 ++
 3 files changed, 40 insertions(+)
diff mbox series

Patch

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 */