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[net-next,v5,4/8] dpaa2-mac: add the MC API for reconfiguring the protocol

Message ID 20220311212228.3918494-5-ioana.ciornei@nxp.com (mailing list archive)
State Accepted
Commit 332b9ea59e56f6fbf670c4534f116b8f77e7eba4
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, 48 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, 9:22 p.m. UTC
The MC firmware gained recently a new command which can reconfigure the
running protocol on the underlying MAC. Add this new command which will
be used in the next patches in order to do a major reconfig on the
interface.

Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
---
Changes in v2:
	- none
Changes in v3:
	- none
Changes in v4:
	- none
Changes in v5:
	- none

 .../net/ethernet/freescale/dpaa2/dpmac-cmd.h  |  5 ++++
 drivers/net/ethernet/freescale/dpaa2/dpmac.c  | 23 +++++++++++++++++++
 drivers/net/ethernet/freescale/dpaa2/dpmac.h  |  3 +++
 3 files changed, 31 insertions(+)
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Patch

diff --git a/drivers/net/ethernet/freescale/dpaa2/dpmac-cmd.h b/drivers/net/ethernet/freescale/dpaa2/dpmac-cmd.h
index e1e06b21110d..e9ac2ecef3be 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpmac-cmd.h
+++ b/drivers/net/ethernet/freescale/dpaa2/dpmac-cmd.h
@@ -26,6 +26,8 @@ 
 
 #define DPMAC_CMDID_GET_COUNTER		DPMAC_CMD(0x0c4)
 
+#define DPMAC_CMDID_SET_PROTOCOL	DPMAC_CMD(0x0c7)
+
 /* Macros for accessing command fields smaller than 1byte */
 #define DPMAC_MASK(field)        \
 	GENMASK(DPMAC_##field##_SHIFT + DPMAC_##field##_SIZE - 1, \
@@ -77,4 +79,7 @@  struct dpmac_rsp_get_api_version {
 	__le16 minor;
 };
 
+struct dpmac_cmd_set_protocol {
+	u8 eth_if;
+};
 #endif /* _FSL_DPMAC_CMD_H */
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpmac.c b/drivers/net/ethernet/freescale/dpaa2/dpmac.c
index d348a7567d87..f440a4c3b70c 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpmac.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpmac.c
@@ -212,3 +212,26 @@  int dpmac_get_api_version(struct fsl_mc_io *mc_io, u32 cmd_flags,
 
 	return 0;
 }
+
+/**
+ * dpmac_set_protocol() - Reconfigure the DPMAC protocol
+ * @mc_io:      Pointer to opaque I/O object
+ * @cmd_flags:  Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token:      Token of DPMAC object
+ * @protocol:   New protocol for the DPMAC to be reconfigured in.
+ *
+ * Return:      '0' on Success; Error code otherwise.
+ */
+int dpmac_set_protocol(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
+		       enum dpmac_eth_if protocol)
+{
+	struct dpmac_cmd_set_protocol *cmd_params;
+	struct fsl_mc_command cmd = { 0 };
+
+	cmd.header = mc_encode_cmd_header(DPMAC_CMDID_SET_PROTOCOL,
+					  cmd_flags, token);
+	cmd_params = (struct dpmac_cmd_set_protocol *)cmd.params;
+	cmd_params->eth_if = protocol;
+
+	return mc_send_command(mc_io, &cmd);
+}
diff --git a/drivers/net/ethernet/freescale/dpaa2/dpmac.h b/drivers/net/ethernet/freescale/dpaa2/dpmac.h
index b580fb4164b5..17488819ef68 100644
--- a/drivers/net/ethernet/freescale/dpaa2/dpmac.h
+++ b/drivers/net/ethernet/freescale/dpaa2/dpmac.h
@@ -207,4 +207,7 @@  int dpmac_get_counter(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
 
 int dpmac_get_api_version(struct fsl_mc_io *mc_io, u32 cmd_flags,
 			  u16 *major_ver, u16 *minor_ver);
+
+int dpmac_set_protocol(struct fsl_mc_io *mc_io, u32 cmd_flags, u16 token,
+		       enum dpmac_eth_if protocol);
 #endif /* __FSL_DPMAC_H */