From: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Date: Wed, 11 Oct 2017 08:29:51 -0500
Subject: staging: fsl-dpaa2/eth: Add firmware version

Git-commit: 4bdd439fe2a7ce14f2b86bf138b24e2fa3615507
Patch-mainline: v4.15-rc1
References: fate#326530,fate#326531,fate#326535,fate#326538,fate#326539

Include firmware version in the driver information exported
through ethtool.

Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@suse.com>
---
 drivers/staging/fsl-dpaa2/ethernet/dpaa2-ethtool.c | 14 +++++++++-
 drivers/staging/fsl-dpaa2/ethernet/dpni-cmd.h      |  5 ++++
 drivers/staging/fsl-dpaa2/ethernet/dpni.c          | 32 ++++++++++++++++++++++
 drivers/staging/fsl-dpaa2/ethernet/dpni.h          |  5 ++++
 4 files changed, 55 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-ethtool.c b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-ethtool.c
index 031179ab3a22..ebe8fd6ccf2c 100644
--- a/drivers/staging/fsl-dpaa2/ethernet/dpaa2-ethtool.c
+++ b/drivers/staging/fsl-dpaa2/ethernet/dpaa2-ethtool.c
@@ -76,10 +76,22 @@ static char dpaa2_ethtool_extras[][ETH_GSTRING_LEN] = {
 static void dpaa2_eth_get_drvinfo(struct net_device *net_dev,
 				  struct ethtool_drvinfo *drvinfo)
 {
+	struct dpaa2_eth_priv *priv = netdev_priv(net_dev);
+	u16 fw_major, fw_minor;
+	int err;
+
 	strlcpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver));
 	strlcpy(drvinfo->version, dpaa2_eth_drv_version,
 		sizeof(drvinfo->version));
-	strlcpy(drvinfo->fw_version, "N/A", sizeof(drvinfo->fw_version));
+
+	err =  dpni_get_api_version(priv->mc_io, 0, &fw_major, &fw_minor);
+	if (!err)
+		snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
+			 "%u.%u", fw_major, fw_minor);
+	else
+		strlcpy(drvinfo->fw_version, "N/A",
+			sizeof(drvinfo->fw_version));
+
 	strlcpy(drvinfo->bus_info, dev_name(net_dev->dev.parent->parent),
 		sizeof(drvinfo->bus_info));
 }
diff --git a/drivers/staging/fsl-dpaa2/ethernet/dpni-cmd.h b/drivers/staging/fsl-dpaa2/ethernet/dpni-cmd.h
index 57df22292233..3120e22496d0 100644
--- a/drivers/staging/fsl-dpaa2/ethernet/dpni-cmd.h
+++ b/drivers/staging/fsl-dpaa2/ethernet/dpni-cmd.h
@@ -538,4 +538,9 @@ struct dpni_rsp_get_taildrop {
 	__le32 threshold;
 };
 
+struct dpni_rsp_get_api_version {
+	u16 major;
+	u16 minor;
+};
+
 #endif /* _FSL_DPNI_CMD_H */
diff --git a/drivers/staging/fsl-dpaa2/ethernet/dpni.c b/drivers/staging/fsl-dpaa2/ethernet/dpni.c
index 04a5b14bc1c5..e8be76181c36 100644
--- a/drivers/staging/fsl-dpaa2/ethernet/dpni.c
+++ b/drivers/staging/fsl-dpaa2/ethernet/dpni.c
@@ -1594,3 +1594,35 @@ int dpni_get_taildrop(struct fsl_mc_io *mc_io,
 
 	return 0;
 }
+
+/**
+ * dpni_get_api_version() - Get Data Path Network Interface API 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 network interface API
+ * @minor_ver:	Minor version of data path network interface API
+ *
+ * Return:	'0' on Success; Error code otherwise.
+ */
+int dpni_get_api_version(struct fsl_mc_io *mc_io,
+			 u32 cmd_flags,
+			 u16 *major_ver,
+			 u16 *minor_ver)
+{
+	struct dpni_rsp_get_api_version *rsp_params;
+	struct mc_command cmd = { 0 };
+	int err;
+
+	cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_API_VERSION,
+					  cmd_flags, 0);
+
+	err = mc_send_command(mc_io, &cmd);
+	if (err)
+		return err;
+
+	rsp_params = (struct dpni_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/staging/fsl-dpaa2/ethernet/dpni.h b/drivers/staging/fsl-dpaa2/ethernet/dpni.h
index 282e5e85ffa7..ce86a816af45 100644
--- a/drivers/staging/fsl-dpaa2/ethernet/dpni.h
+++ b/drivers/staging/fsl-dpaa2/ethernet/dpni.h
@@ -829,4 +829,9 @@ struct dpni_rule_cfg {
 	u8	key_size;
 };
 
+int dpni_get_api_version(struct fsl_mc_io *mc_io,
+			 u32 cmd_flags,
+			 u16 *major_ver,
+			 u16 *minor_ver);
+
 #endif /* __FSL_DPNI_H */
-- 
2.11.0