target/linux/layerscape/patches-5.4/701-net-0206-dpaa2-eth-Add-API-for-counters-reset.patch

   1 From 991c03df1b0543ed02a5d4e803ac8fa9d993fb8e Mon Sep 17 00:00:00 2001
   2 From: Ioana Radulescu <ruxandra.radulescu@nxp.com>
   3 Date: Tue, 9 May 2017 16:36:39 +0300
   4 Subject: [PATCH] dpaa2-eth: Add API for counters reset
   5
   6 Add DPNI object API function for resetting interface
   7 hardware counters.
   8
   9 Signed-off-by: Ioana Radulescu <ruxandra.radulescu@nxp.com>
  10 ---
  11  drivers/net/ethernet/freescale/dpaa2/dpni-cmd.h |  1 +
  12  drivers/net/ethernet/freescale/dpaa2/dpni.c     | 23 +++++++++++++++++++++++
  13  drivers/net/ethernet/freescale/dpaa2/dpni.h     |  4 ++++
  14  3 files changed, 28 insertions(+)
  15
  16 --- a/drivers/net/ethernet/freescale/dpaa2/dpni-cmd.h
  17 +++ b/drivers/net/ethernet/freescale/dpaa2/dpni-cmd.h
  18 @@ -68,6 +68,7 @@
  19  #define DPNI_CMDID_CLR_FS_ENT                          DPNI_CMD(0x246)
  20
  21  #define DPNI_CMDID_GET_STATISTICS                      DPNI_CMD(0x25D)
  22 +#define DPNI_CMDID_RESET_STATISTICS                    DPNI_CMD(0x25E)
  23  #define DPNI_CMDID_GET_QUEUE                           DPNI_CMD(0x25F)
  24  #define DPNI_CMDID_SET_QUEUE                           DPNI_CMD(0x260)
  25  #define DPNI_CMDID_GET_TAILDROP                                DPNI_CMD(0x261)
  26 --- a/drivers/net/ethernet/freescale/dpaa2/dpni.c
  27 +++ b/drivers/net/ethernet/freescale/dpaa2/dpni.c
  28 @@ -1582,6 +1582,29 @@ int dpni_get_statistics(struct fsl_mc_io
  29  }
  30
  31  /**
  32 + * dpni_reset_statistics() - Clears DPNI statistics
  33 + * @mc_io:             Pointer to MC portal's I/O object
  34 + * @cmd_flags:         Command flags; one or more of 'MC_CMD_FLAG_'
  35 + * @token:             Token of DPNI object
  36 + *
  37 + * Return:  '0' on Success; Error code otherwise.
  38 + */
  39 +int dpni_reset_statistics(struct fsl_mc_io *mc_io,
  40 +                         u32 cmd_flags,
  41 +                         u16 token)
  42 +{
  43 +       struct fsl_mc_command cmd = { 0 };
  44 +
  45 +       /* prepare command */
  46 +       cmd.header = mc_encode_cmd_header(DPNI_CMDID_RESET_STATISTICS,
  47 +                                         cmd_flags,
  48 +                                         token);
  49 +
  50 +       /* send command to mc*/
  51 +       return mc_send_command(mc_io, &cmd);
  52 +}
  53 +
  54 +/**
  55   * dpni_set_taildrop() - Set taildrop per queue or TC
  56   * @mc_io:     Pointer to MC portal's I/O object
  57   * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
  58 --- a/drivers/net/ethernet/freescale/dpaa2/dpni.h
  59 +++ b/drivers/net/ethernet/freescale/dpaa2/dpni.h
  60 @@ -496,6 +496,10 @@ int dpni_get_statistics(struct fsl_mc_io
  61                         u8                      page,
  62                         union dpni_statistics   *stat);
  63
  64 +int dpni_reset_statistics(struct fsl_mc_io *mc_io,
  65 +                         u32 cmd_flags,
  66 +                         u16 token);
  67 +
  68  /**
  69   * Enable auto-negotiation
  70   */