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From 991c03df1b0543ed02a5d4e803ac8fa9d993fb8e Mon Sep 17 00:00:00 2001
From: Ioana Radulescu <ruxandra.radulescu@nxp.com>
Date: Tue, 9 May 2017 16:36:39 +0300
Subject: [PATCH] dpaa2-eth: Add API for counters reset
Add DPNI object API function for resetting interface
hardware counters.
Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
---
drivers/net/ethernet/freescale/dpaa2/dpni-cmd.h | 1 +
drivers/net/ethernet/freescale/dpaa2/dpni.c | 23 +++++++++++++++++++++++
drivers/net/ethernet/freescale/dpaa2/dpni.h | 4 ++++
3 files changed, 28 insertions(+)
--- a/drivers/net/ethernet/freescale/dpaa2/dpni-cmd.h
+++ b/drivers/net/ethernet/freescale/dpaa2/dpni-cmd.h
@@ -68,6 +68,7 @@
#define DPNI_CMDID_CLR_FS_ENT DPNI_CMD(0x246)
#define DPNI_CMDID_GET_STATISTICS DPNI_CMD(0x25D)
+#define DPNI_CMDID_RESET_STATISTICS DPNI_CMD(0x25E)
#define DPNI_CMDID_GET_QUEUE DPNI_CMD(0x25F)
#define DPNI_CMDID_SET_QUEUE DPNI_CMD(0x260)
#define DPNI_CMDID_GET_TAILDROP DPNI_CMD(0x261)
--- a/drivers/net/ethernet/freescale/dpaa2/dpni.c
+++ b/drivers/net/ethernet/freescale/dpaa2/dpni.c
@@ -1582,6 +1582,29 @@ int dpni_get_statistics(struct fsl_mc_io
}
/**
+ * dpni_reset_statistics() - Clears DPNI statistics
+ * @mc_io: Pointer to MC portal's I/O object
+ * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
+ * @token: Token of DPNI object
+ *
+ * Return: '0' on Success; Error code otherwise.
+ */
+int dpni_reset_statistics(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token)
+{
+ struct fsl_mc_command cmd = { 0 };
+
+ /* prepare command */
+ cmd.header = mc_encode_cmd_header(DPNI_CMDID_RESET_STATISTICS,
+ cmd_flags,
+ token);
+
+ /* send command to mc*/
+ return mc_send_command(mc_io, &cmd);
+}
+
+/**
* dpni_set_taildrop() - Set taildrop per queue or TC
* @mc_io: Pointer to MC portal's I/O object
* @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
--- a/drivers/net/ethernet/freescale/dpaa2/dpni.h
+++ b/drivers/net/ethernet/freescale/dpaa2/dpni.h
@@ -496,6 +496,10 @@ int dpni_get_statistics(struct fsl_mc_io
u8 page,
union dpni_statistics *stat);
+int dpni_reset_statistics(struct fsl_mc_io *mc_io,
+ u32 cmd_flags,
+ u16 token);
+
/**
* Enable auto-negotiation
*/
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