target/linux/layerscape/patches-5.4/701-net-0209-dpaa2-eth-Update-dpni_set_tx_shaping-cmd-to-v2.patch

   1 From 81efe5fd6fac6db454ccccb1e6c280419d0885c4 Mon Sep 17 00:00:00 2001
   2 From: Bogdan Purcareata <bogdan.purcareata@nxp.com>
   3 Date: Mon, 13 Nov 2017 17:29:21 +0200
   4 Subject: [PATCH] dpaa2-eth: Update dpni_set_tx_shaping cmd to v2
   5
   6 Support dual rate shaping (committed, excess) and the coupled parameter.
   7
   8 Signed-off-by: Bogdan Purcareata <bogdan.purcareata@nxp.com>
   9 ---
  10  drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c |  5 +++--
  11  drivers/net/ethernet/freescale/dpaa2/dpni-cmd.h  | 18 ++++++++++++++----
  12  drivers/net/ethernet/freescale/dpaa2/dpni.c      | 23 ++++++++++++++++-------
  13  drivers/net/ethernet/freescale/dpaa2/dpni.h      | 10 ++++++----
  14  4 files changed, 39 insertions(+), 17 deletions(-)
  15
  16 --- a/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
  17 +++ b/drivers/net/ethernet/freescale/dpaa2/dpaa2-eth.c
  18 @@ -3895,7 +3895,7 @@ static ssize_t dpaa2_eth_write_tx_shapin
  19  {
  20         int err, items;
  21         struct dpaa2_eth_priv *priv = netdev_priv(to_net_dev(dev));
  22 -       struct dpni_tx_shaping_cfg scfg;
  23 +       struct dpni_tx_shaping_cfg scfg, ercfg = {0};
  24
  25         items = sscanf(buf, "%u %hu", &scfg.rate_limit, &scfg.max_burst_size);
  26         if (items != 2) {
  27 @@ -3909,7 +3909,8 @@ static ssize_t dpaa2_eth_write_tx_shapin
  28                 return -EINVAL;
  29         }
  30
  31 -       err = dpni_set_tx_shaping(priv->mc_io, 0, priv->mc_token, &scfg);
  32 +       err = dpni_set_tx_shaping(priv->mc_io, 0, priv->mc_token, &scfg,
  33 +                                 &ercfg, 0);
  34         if (err) {
  35                 dev_err(dev, "dpni_set_tx_shaping() failed\n");
  36                 return -EPERM;
  37 --- a/drivers/net/ethernet/freescale/dpaa2/dpni-cmd.h
  38 +++ b/drivers/net/ethernet/freescale/dpaa2/dpni-cmd.h
  39 @@ -11,9 +11,11 @@
  40  #define DPNI_VER_MAJOR                         7
  41  #define DPNI_VER_MINOR                         0
  42  #define DPNI_CMD_BASE_VERSION                  1
  43 +#define DPNI_CMD_2ND_VERSION                   2
  44  #define DPNI_CMD_ID_OFFSET                     4
  45
  46  #define DPNI_CMD(id)   (((id) << DPNI_CMD_ID_OFFSET) | DPNI_CMD_BASE_VERSION)
  47 +#define DPNI_CMD_V2(id)        (((id) << DPNI_CMD_ID_OFFSET) | DPNI_CMD_2ND_VERSION)
  48
  49  #define DPNI_CMDID_OPEN                                        DPNI_CMD(0x801)
  50  #define DPNI_CMDID_CLOSE                               DPNI_CMD(0x800)
  51 @@ -45,7 +47,7 @@
  52  #define DPNI_CMDID_SET_MAX_FRAME_LENGTH                        DPNI_CMD(0x216)
  53  #define DPNI_CMDID_GET_MAX_FRAME_LENGTH                        DPNI_CMD(0x217)
  54  #define DPNI_CMDID_SET_LINK_CFG                                DPNI_CMD(0x21A)
  55 -#define DPNI_CMDID_SET_TX_SHAPING                      DPNI_CMD(0x21B)
  56 +#define DPNI_CMDID_SET_TX_SHAPING                      DPNI_CMD_V2(0x21B)
  57
  58  #define DPNI_CMDID_SET_MCAST_PROMISC                   DPNI_CMD(0x220)
  59  #define DPNI_CMDID_GET_MCAST_PROMISC                   DPNI_CMD(0x221)
  60 @@ -316,12 +318,20 @@ struct dpni_rsp_get_link_state {
  61         __le64 options;
  62  };
  63
  64 +#define DPNI_COUPLED_SHIFT     0
  65 +#define DPNI_COUPLED_SIZE      1
  66 +
  67  struct dpni_cmd_set_tx_shaping {
  68         /* cmd word 0 */
  69 -       __le16 max_burst_size;
  70 -       __le16 pad[3];
  71 +       __le16 tx_cr_max_burst_size;
  72 +       __le16 tx_er_max_burst_size;
  73 +       __le32 pad;
  74         /* cmd word 1 */
  75 -       __le32 rate_limit;
  76 +       __le32 tx_cr_rate_limit;
  77 +       __le32 tx_er_rate_limit;
  78 +       /* cmd word 2 */
  79 +       /* from LSB: coupled:1 */
  80 +       u8 coupled;
  81  };
  82
  83  struct dpni_cmd_set_max_frame_length {
  84 --- a/drivers/net/ethernet/freescale/dpaa2/dpni.c
  85 +++ b/drivers/net/ethernet/freescale/dpaa2/dpni.c
  86 @@ -927,17 +927,21 @@ int dpni_get_link_state(struct fsl_mc_io
  87
  88  /**
  89   * dpni_set_tx_shaping() - Set the transmit shaping
  90 - * @mc_io:     Pointer to MC portal's I/O object
  91 - * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
  92 - * @token:     Token of DPNI object
  93 - * @tx_shaper: Tx shaping configuration
  94 + * @mc_io:             Pointer to MC portal's I/O object
  95 + * @cmd_flags:         Command flags; one or more of 'MC_CMD_FLAG_'
  96 + * @token:             Token of DPNI object
  97 + * @tx_cr_shaper:      TX committed rate shaping configuration
  98 + * @tx_er_shaper:      TX excess rate shaping configuration
  99 + * @coupled:           Committed and excess rate shapers are coupled
 100   *
 101   * Return:     '0' on Success; Error code otherwise.
 102   */
 103  int dpni_set_tx_shaping(struct fsl_mc_io *mc_io,
 104                         u32 cmd_flags,
 105                         u16 token,
 106 -                       const struct dpni_tx_shaping_cfg *tx_shaper)
 107 +                       const struct dpni_tx_shaping_cfg *tx_cr_shaper,
 108 +                       const struct dpni_tx_shaping_cfg *tx_er_shaper,
 109 +                       int coupled)
 110  {
 111         struct fsl_mc_command cmd = { 0 };
 112         struct dpni_cmd_set_tx_shaping *cmd_params;
 113 @@ -947,8 +951,13 @@ int dpni_set_tx_shaping(struct fsl_mc_io
 114                                           cmd_flags,
 115                                           token);
 116         cmd_params = (struct dpni_cmd_set_tx_shaping *)cmd.params;
 117 -       cmd_params->max_burst_size = cpu_to_le16(tx_shaper->max_burst_size);
 118 -       cmd_params->rate_limit = cpu_to_le32(tx_shaper->rate_limit);
 119 +       cmd_params->tx_cr_max_burst_size =
 120 +                               cpu_to_le16(tx_cr_shaper->max_burst_size);
 121 +       cmd_params->tx_er_max_burst_size =
 122 +                               cpu_to_le16(tx_er_shaper->max_burst_size);
 123 +       cmd_params->tx_cr_rate_limit = cpu_to_le32(tx_cr_shaper->rate_limit);
 124 +       cmd_params->tx_er_rate_limit = cpu_to_le32(tx_er_shaper->rate_limit);
 125 +       dpni_set_field(cmd_params->coupled, COUPLED, coupled);
 126
 127         /* send command to mc*/
 128         return mc_send_command(mc_io, &cmd);
 129 --- a/drivers/net/ethernet/freescale/dpaa2/dpni.h
 130 +++ b/drivers/net/ethernet/freescale/dpaa2/dpni.h
 131 @@ -569,10 +569,12 @@ struct dpni_tx_shaping_cfg {
 132         u16     max_burst_size;
 133  };
 134
 135 -int dpni_set_tx_shaping(struct fsl_mc_io                       *mc_io,
 136 -                       u32                                     cmd_flags,
 137 -                       u16                                     token,
 138 -                       const struct dpni_tx_shaping_cfg        *tx_shaper);
 139 +int dpni_set_tx_shaping(struct fsl_mc_io *mc_io,
 140 +                       u32 cmd_flags,
 141 +                       u16 token,
 142 +                       const struct dpni_tx_shaping_cfg *tx_cr_shaper,
 143 +                       const struct dpni_tx_shaping_cfg *tx_er_shaper,
 144 +                       int coupled);
 145
 146  int dpni_set_max_frame_length(struct fsl_mc_io *mc_io,
 147                               u32               cmd_flags,