ethdev: promote sibling iterators to stable
[dpdk.git] / drivers / net / dpaa2 / mc / dpni.c
index 683d7bc..b254931 100644 (file)
@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0)
  *
  * Copyright 2013-2016 Freescale Semiconductor Inc.
- * Copyright 2016-2019 NXP
+ * Copyright 2016-2020 NXP
  *
  */
 #include <fsl_mc_sys.h>
@@ -949,6 +949,46 @@ int dpni_get_link_state(struct fsl_mc_io *mc_io,
        return 0;
 }
 
+/**
+ * dpni_set_tx_shaping() - Set the transmit shaping
+ * @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
+ * @tx_cr_shaper:      TX committed rate shaping configuration
+ * @tx_er_shaper:      TX excess rate shaping configuration
+ * @coupled:           Committed and excess rate shapers are coupled
+ *
+ * Return:     '0' on Success; Error code otherwise.
+ */
+int dpni_set_tx_shaping(struct fsl_mc_io *mc_io,
+                       uint32_t cmd_flags,
+                       uint16_t token,
+                       const struct dpni_tx_shaping_cfg *tx_cr_shaper,
+                       const struct dpni_tx_shaping_cfg *tx_er_shaper,
+                       int coupled)
+{
+       struct dpni_cmd_set_tx_shaping *cmd_params;
+       struct mc_command cmd = { 0 };
+
+       /* prepare command */
+       cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_TX_SHAPING,
+                                         cmd_flags,
+                                         token);
+       cmd_params = (struct dpni_cmd_set_tx_shaping *)cmd.params;
+       cmd_params->tx_cr_max_burst_size =
+               cpu_to_le16(tx_cr_shaper->max_burst_size);
+       cmd_params->tx_er_max_burst_size =
+               cpu_to_le16(tx_er_shaper->max_burst_size);
+       cmd_params->tx_cr_rate_limit =
+               cpu_to_le32(tx_cr_shaper->rate_limit);
+       cmd_params->tx_er_rate_limit =
+               cpu_to_le32(tx_er_shaper->rate_limit);
+       dpni_set_field(cmd_params->coupled, COUPLED, coupled);
+
+       /* send command to mc*/
+       return mc_send_command(mc_io, &cmd);
+}
+
 /**
  * dpni_set_max_frame_length() - Set the maximum received frame length.
  * @mc_io:             Pointer to MC portal's I/O object
@@ -1476,6 +1516,55 @@ int dpni_clear_vlan_filters(struct fsl_mc_io *mc_io,
        return mc_send_command(mc_io, &cmd);
 }
 
+/**
+ * dpni_set_tx_priorities() - Set transmission TC priority configuration
+ * @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
+ * @cfg:       Transmission selection configuration
+ *
+ * warning:    Allowed only when DPNI is disabled
+ *
+ * Return:     '0' on Success; Error code otherwise.
+ */
+int dpni_set_tx_priorities(struct fsl_mc_io *mc_io,
+                          uint32_t cmd_flags,
+                          uint16_t token,
+                          const struct dpni_tx_priorities_cfg *cfg)
+{
+       struct dpni_cmd_set_tx_priorities *cmd_params;
+       struct mc_command cmd = { 0 };
+       int i;
+
+       /* prepare command */
+       cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_TX_PRIORITIES,
+                                         cmd_flags,
+                                         token);
+       cmd_params = (struct dpni_cmd_set_tx_priorities *)cmd.params;
+       dpni_set_field(cmd_params->flags,
+                               SEPARATE_GRP,
+                               cfg->separate_groups);
+       cmd_params->prio_group_A = cfg->prio_group_A;
+       cmd_params->prio_group_B = cfg->prio_group_B;
+
+       for (i = 0; i + 1 < DPNI_MAX_TC; i = i + 2) {
+               dpni_set_field(cmd_params->modes[i / 2],
+                              MODE_1,
+                              cfg->tc_sched[i].mode);
+               dpni_set_field(cmd_params->modes[i / 2],
+                                  MODE_2,
+                                  cfg->tc_sched[i + 1].mode);
+       }
+
+       for (i = 0; i < DPNI_MAX_TC; i++) {
+               cmd_params->delta_bandwidth[i] =
+                               cpu_to_le16(cfg->tc_sched[i].delta_bandwidth);
+       }
+
+       /* send command to mc*/
+       return mc_send_command(mc_io, &cmd);
+}
+
 /**
  * dpni_set_rx_tc_dist() - Set Rx traffic class distribution configuration
  * @mc_io:     Pointer to MC portal's I/O object
@@ -1808,6 +1897,228 @@ int dpni_clear_fs_entries(struct fsl_mc_io *mc_io,
        return mc_send_command(mc_io, &cmd);
 }
 
+/**
+ * dpni_set_rx_tc_policing() - Set Rx traffic class policing configuration
+ * @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
+ * @tc_id:     Traffic class selection (0-7)
+ * @cfg:       Traffic class policing configuration
+ *
+ * Return:     '0' on Success; error code otherwise.
+ */
+int dpni_set_rx_tc_policing(struct fsl_mc_io *mc_io,
+                           uint32_t cmd_flags,
+                           uint16_t token,
+                           uint8_t tc_id,
+                           const struct dpni_rx_tc_policing_cfg *cfg)
+{
+       struct dpni_cmd_set_rx_tc_policing *cmd_params;
+       struct mc_command cmd = { 0 };
+
+       /* prepare command */
+       cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_RX_TC_POLICING,
+                                         cmd_flags,
+                                         token);
+       cmd_params = (struct dpni_cmd_set_rx_tc_policing *)cmd.params;
+       dpni_set_field(cmd_params->mode_color, COLOR, cfg->default_color);
+       dpni_set_field(cmd_params->mode_color, MODE, cfg->mode);
+       dpni_set_field(cmd_params->units, UNITS, cfg->units);
+       cmd_params->options = cpu_to_le32(cfg->options);
+       cmd_params->cir = cpu_to_le32(cfg->cir);
+       cmd_params->cbs = cpu_to_le32(cfg->cbs);
+       cmd_params->eir = cpu_to_le32(cfg->eir);
+       cmd_params->ebs = cpu_to_le32(cfg->ebs);
+       cmd_params->tc_id = tc_id;
+
+       /* send command to mc*/
+       return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpni_get_rx_tc_policing() - Get Rx traffic class policing configuration
+ * @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
+ * @tc_id:     Traffic class selection (0-7)
+ * @cfg:       Traffic class policing configuration
+ *
+ * Return:     '0' on Success; error code otherwise.
+ */
+int dpni_get_rx_tc_policing(struct fsl_mc_io *mc_io,
+                           uint32_t cmd_flags,
+                           uint16_t token,
+                           uint8_t tc_id,
+                           struct dpni_rx_tc_policing_cfg *cfg)
+{
+       struct dpni_rsp_get_rx_tc_policing *rsp_params;
+       struct dpni_cmd_get_rx_tc_policing *cmd_params;
+       struct mc_command cmd = { 0 };
+       int err;
+
+       /* prepare command */
+       cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_RX_TC_POLICING,
+                                         cmd_flags,
+                                         token);
+       cmd_params = (struct dpni_cmd_get_rx_tc_policing *)cmd.params;
+       cmd_params->tc_id = tc_id;
+
+
+       /* send command to mc*/
+       err =  mc_send_command(mc_io, &cmd);
+       if (err)
+               return err;
+
+       rsp_params =  (struct dpni_rsp_get_rx_tc_policing *)cmd.params;
+       cfg->options = le32_to_cpu(rsp_params->options);
+       cfg->cir = le32_to_cpu(rsp_params->cir);
+       cfg->cbs = le32_to_cpu(rsp_params->cbs);
+       cfg->eir = le32_to_cpu(rsp_params->eir);
+       cfg->ebs = le32_to_cpu(rsp_params->ebs);
+       cfg->units = dpni_get_field(rsp_params->units, UNITS);
+       cfg->mode = dpni_get_field(rsp_params->mode_color, MODE);
+       cfg->default_color = dpni_get_field(rsp_params->mode_color, COLOR);
+
+       return 0;
+}
+
+/**
+ * dpni_prepare_early_drop() - prepare an early drop.
+ * @cfg:               Early-drop configuration
+ * @early_drop_buf:    Zeroed 256 bytes of memory before mapping it to DMA
+ *
+ * This function has to be called before dpni_set_rx_tc_early_drop or
+ * dpni_set_tx_tc_early_drop
+ *
+ */
+void dpni_prepare_early_drop(const struct dpni_early_drop_cfg *cfg,
+                            uint8_t *early_drop_buf)
+{
+       struct dpni_early_drop *ext_params;
+
+       ext_params = (struct dpni_early_drop *)early_drop_buf;
+
+       dpni_set_field(ext_params->flags, DROP_ENABLE, cfg->enable);
+       dpni_set_field(ext_params->flags, DROP_UNITS, cfg->units);
+       ext_params->green_drop_probability = cfg->green.drop_probability;
+       ext_params->green_max_threshold = cpu_to_le64(cfg->green.max_threshold);
+       ext_params->green_min_threshold = cpu_to_le64(cfg->green.min_threshold);
+       ext_params->yellow_drop_probability = cfg->yellow.drop_probability;
+       ext_params->yellow_max_threshold =
+               cpu_to_le64(cfg->yellow.max_threshold);
+       ext_params->yellow_min_threshold =
+               cpu_to_le64(cfg->yellow.min_threshold);
+       ext_params->red_drop_probability = cfg->red.drop_probability;
+       ext_params->red_max_threshold = cpu_to_le64(cfg->red.max_threshold);
+       ext_params->red_min_threshold = cpu_to_le64(cfg->red.min_threshold);
+}
+
+/**
+ * dpni_extract_early_drop() - extract the early drop configuration.
+ * @cfg:               Early-drop configuration
+ * @early_drop_buf:    Zeroed 256 bytes of memory before mapping it to DMA
+ *
+ * This function has to be called after dpni_get_rx_tc_early_drop or
+ * dpni_get_tx_tc_early_drop
+ *
+ */
+void dpni_extract_early_drop(struct dpni_early_drop_cfg *cfg,
+                            const uint8_t *early_drop_buf)
+{
+       const struct dpni_early_drop *ext_params;
+
+       ext_params = (const struct dpni_early_drop *)early_drop_buf;
+
+       cfg->enable = dpni_get_field(ext_params->flags, DROP_ENABLE);
+       cfg->units = dpni_get_field(ext_params->flags, DROP_UNITS);
+       cfg->green.drop_probability = ext_params->green_drop_probability;
+       cfg->green.max_threshold = le64_to_cpu(ext_params->green_max_threshold);
+       cfg->green.min_threshold = le64_to_cpu(ext_params->green_min_threshold);
+       cfg->yellow.drop_probability = ext_params->yellow_drop_probability;
+       cfg->yellow.max_threshold =
+               le64_to_cpu(ext_params->yellow_max_threshold);
+       cfg->yellow.min_threshold =
+               le64_to_cpu(ext_params->yellow_min_threshold);
+       cfg->red.drop_probability = ext_params->red_drop_probability;
+       cfg->red.max_threshold = le64_to_cpu(ext_params->red_max_threshold);
+       cfg->red.min_threshold = le64_to_cpu(ext_params->red_min_threshold);
+}
+
+/**
+ * dpni_set_early_drop() - Set traffic class early-drop configuration
+ * @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
+ * @qtype:     Type of queue - only Rx and Tx types are supported
+ * @tc_id:     Traffic class selection (0-7)
+ * @early_drop_iova:  I/O virtual address of 256 bytes DMA-able memory filled
+ *     with the early-drop configuration by calling dpni_prepare_early_drop()
+ *
+ * warning: Before calling this function, call dpni_prepare_early_drop() to
+ *                     prepare the early_drop_iova parameter
+ *
+ * Return:     '0' on Success; error code otherwise.
+ */
+int dpni_set_early_drop(struct fsl_mc_io *mc_io,
+                       uint32_t cmd_flags,
+                       uint16_t token,
+                       enum dpni_queue_type qtype,
+                       uint8_t tc_id,
+                       uint64_t early_drop_iova)
+{
+       struct dpni_cmd_early_drop *cmd_params;
+       struct mc_command cmd = { 0 };
+
+       /* prepare command */
+       cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_EARLY_DROP,
+                                         cmd_flags,
+                                         token);
+       cmd_params = (struct dpni_cmd_early_drop *)cmd.params;
+       cmd_params->qtype = qtype;
+       cmd_params->tc = tc_id;
+       cmd_params->early_drop_iova = cpu_to_le64(early_drop_iova);
+
+       /* send command to mc*/
+       return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpni_get_early_drop() - Get Rx traffic class early-drop configuration
+ * @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
+ * @qtype:     Type of queue - only Rx and Tx types are supported
+ * @tc_id:     Traffic class selection (0-7)
+ * @early_drop_iova:  I/O virtual address of 256 bytes DMA-able memory
+ *
+ * warning: After calling this function, call dpni_extract_early_drop() to
+ *     get the early drop configuration
+ *
+ * Return:     '0' on Success; error code otherwise.
+ */
+int dpni_get_early_drop(struct fsl_mc_io *mc_io,
+                       uint32_t cmd_flags,
+                       uint16_t token,
+                       enum dpni_queue_type qtype,
+                       uint8_t tc_id,
+                       uint64_t early_drop_iova)
+{
+       struct dpni_cmd_early_drop *cmd_params;
+       struct mc_command cmd = { 0 };
+
+       /* prepare command */
+       cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_EARLY_DROP,
+                                         cmd_flags,
+                                         token);
+       cmd_params = (struct dpni_cmd_early_drop *)cmd.params;
+       cmd_params->qtype = qtype;
+       cmd_params->tc = tc_id;
+       cmd_params->early_drop_iova = cpu_to_le64(early_drop_iova);
+
+       /* send command to mc*/
+       return mc_send_command(mc_io, &cmd);
+}
+
 /**
  * dpni_set_congestion_notification() - Set traffic class congestion
  *     notification configuration