drivers: update copyright for NXP files
[dpdk.git] / drivers / net / dpaa2 / mc / dpni.c
index 0907a36..683d7bc 100644 (file)
@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0)
  *
  * Copyright 2013-2016 Freescale Semiconductor Inc.
- * Copyright 2016 NXP
+ * Copyright 2016-2019 NXP
  *
  */
 #include <fsl_mc_sys.h>
@@ -125,6 +125,7 @@ int dpni_create(struct fsl_mc_io *mc_io,
        cmd_params->vlan_filter_entries =  cfg->vlan_filter_entries;
        cmd_params->qos_entries = cfg->qos_entries;
        cmd_params->fs_entries = cpu_to_le16(cfg->fs_entries);
+       cmd_params->num_cgs = cfg->num_cgs;
 
        /* send command to mc*/
        err = mc_send_command(mc_io, &cmd);
@@ -199,6 +200,7 @@ int dpni_set_pools(struct fsl_mc_io *mc_io,
                                          token);
        cmd_params = (struct dpni_cmd_set_pools *)cmd.params;
        cmd_params->num_dpbp = cfg->num_dpbp;
+       cmd_params->pool_options = cfg->pool_options;
        for (i = 0; i < cmd_params->num_dpbp; i++) {
                cmd_params->pool[i].dpbp_id =
                        cpu_to_le16(cfg->pools[i].dpbp_id);
@@ -593,6 +595,7 @@ int dpni_get_attributes(struct fsl_mc_io *mc_io,
        attr->qos_key_size = rsp_params->qos_key_size;
        attr->fs_key_size = rsp_params->fs_key_size;
        attr->wriop_version = le16_to_cpu(rsp_params->wriop_version);
+       attr->num_cgs = rsp_params->num_cgs;
 
        return 0;
 }
@@ -1209,13 +1212,24 @@ int dpni_get_primary_mac_addr(struct fsl_mc_io *mc_io,
  * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
  * @token:     Token of DPNI object
  * @mac_addr:  MAC address to add
- *
+ * @flags :    0 - tc_id and flow_id will be ignored.
+ *               Pkt with this mac_id will be passed to the next
+ *               classification stages
+ *             DPNI_MAC_SET_QUEUE_ACTION
+ *               Pkt with this mac will be forward directly to
+ *               queue defined by the tc_id and flow_id
+ * @tc_id : Traffic class selection (0-7)
+ * @flow_id : Selects the specific queue out of the set allocated for the
+ *            same as tc_id. Value must be in range 0 to NUM_QUEUES - 1
  * Return:     '0' on Success; Error code otherwise.
  */
 int dpni_add_mac_addr(struct fsl_mc_io *mc_io,
                      uint32_t cmd_flags,
                      uint16_t token,
-                     const uint8_t mac_addr[6])
+                     const uint8_t mac_addr[6],
+                         uint8_t flags,
+                         uint8_t tc_id,
+                         uint8_t flow_id)
 {
        struct mc_command cmd = { 0 };
        struct dpni_cmd_add_mac_addr *cmd_params;
@@ -1226,6 +1240,10 @@ int dpni_add_mac_addr(struct fsl_mc_io *mc_io,
                                          cmd_flags,
                                          token);
        cmd_params = (struct dpni_cmd_add_mac_addr *)cmd.params;
+       cmd_params->flags = flags;
+       cmd_params->tc_id = tc_id;
+       cmd_params->fq_id = flow_id;
+
        for (i = 0; i < 6; i++)
                cmd_params->mac_addr[i] = mac_addr[5 - i];
 
@@ -1369,13 +1387,26 @@ int dpni_enable_vlan_filter(struct fsl_mc_io *mc_io,
  * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
  * @token:     Token of DPNI object
  * @vlan_id:   VLAN ID to add
+ * @flags:     0 - tc_id and flow_id will be ignored.
+ *               Pkt with this vlan_id will be passed to the next
+ *               classification stages
+ *             DPNI_VLAN_SET_QUEUE_ACTION
+ *               Pkt with this vlan_id will be forward directly to
+ *               queue defined by the tc_id and flow_id
+ *
+ * @tc_id: Traffic class selection (0-7)
+ * @flow_id: Selects the specific queue out of the set allocated for the
+ *           same as tc_id. Value must be in range 0 to NUM_QUEUES - 1
  *
  * Return:     '0' on Success; Error code otherwise.
  */
 int dpni_add_vlan_id(struct fsl_mc_io *mc_io,
                     uint32_t cmd_flags,
                     uint16_t token,
-                    uint16_t vlan_id)
+                    uint16_t vlan_id,
+                        uint8_t flags,
+                        uint8_t tc_id,
+                        uint8_t flow_id)
 {
        struct dpni_cmd_vlan_id *cmd_params;
        struct mc_command cmd = { 0 };
@@ -1385,6 +1416,9 @@ int dpni_add_vlan_id(struct fsl_mc_io *mc_io,
                                          cmd_flags,
                                          token);
        cmd_params = (struct dpni_cmd_vlan_id *)cmd.params;
+       cmd_params->flags = flags;
+       cmd_params->tc_id = tc_id;
+       cmd_params->flow_id =  flow_id;
        cmd_params->vlan_id = cpu_to_le16(vlan_id);
 
        /* send command to mc*/
@@ -1528,6 +1562,252 @@ int dpni_set_tx_confirmation_mode(struct fsl_mc_io *mc_io,
        return mc_send_command(mc_io, &cmd);
 }
 
+/**
+ * dpni_set_qos_table() - Set QoS mapping table
+ * @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:       QoS table configuration
+ *
+ * This function and all QoS-related functions require that
+ *'max_tcs > 1' was set at DPNI creation.
+ *
+ * warning: Before calling this function, call dpkg_prepare_key_cfg() to
+ *                     prepare the key_cfg_iova parameter
+ *
+ * Return:     '0' on Success; Error code otherwise.
+ */
+int dpni_set_qos_table(struct fsl_mc_io *mc_io,
+                      uint32_t cmd_flags,
+                      uint16_t token,
+                      const struct dpni_qos_tbl_cfg *cfg)
+{
+       struct dpni_cmd_set_qos_table *cmd_params;
+       struct mc_command cmd = { 0 };
+
+       /* prepare command */
+       cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_QOS_TBL,
+                                         cmd_flags,
+                                         token);
+       cmd_params = (struct dpni_cmd_set_qos_table *)cmd.params;
+       cmd_params->default_tc = cfg->default_tc;
+       cmd_params->key_cfg_iova = cpu_to_le64(cfg->key_cfg_iova);
+       dpni_set_field(cmd_params->discard_on_miss,
+                      ENABLE,
+                      cfg->discard_on_miss);
+       dpni_set_field(cmd_params->discard_on_miss,
+                                       KEEP_QOS_ENTRIES,
+                              cfg->keep_entries);
+
+       /* send command to mc*/
+       return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpni_add_qos_entry() - Add QoS mapping entry (to select a traffic class)
+ * @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:       QoS rule to add
+ * @tc_id:     Traffic class selection (0-7)
+ * @index:     Location in the QoS table where to insert the entry.
+ *             Only relevant if MASKING is enabled for QoS classification on
+ *             this DPNI, it is ignored for exact match.
+ *
+ * Return:     '0' on Success; Error code otherwise.
+ */
+int dpni_add_qos_entry(struct fsl_mc_io *mc_io,
+                      uint32_t cmd_flags,
+                      uint16_t token,
+                      const struct dpni_rule_cfg *cfg,
+                      uint8_t tc_id,
+                      uint16_t index,
+                          uint8_t flags,
+                          uint8_t flow_id)
+{
+       struct dpni_cmd_add_qos_entry *cmd_params;
+       struct mc_command cmd = { 0 };
+
+       /* prepare command */
+       cmd.header = mc_encode_cmd_header(DPNI_CMDID_ADD_QOS_ENT,
+                                         cmd_flags,
+                                         token);
+       cmd_params = (struct dpni_cmd_add_qos_entry *)cmd.params;
+       cmd_params->flags = flags;
+       cmd_params->flow_id = flow_id;
+       cmd_params->tc_id = tc_id;
+       cmd_params->key_size = cfg->key_size;
+       cmd_params->index = cpu_to_le16(index);
+       cmd_params->key_iova = cpu_to_le64(cfg->key_iova);
+       cmd_params->mask_iova = cpu_to_le64(cfg->mask_iova);
+
+       /* send command to mc*/
+       return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpni_remove_qos_entry() - Remove QoS mapping entry
+ * @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:       QoS rule to remove
+ *
+ * Return:     '0' on Success; Error code otherwise.
+ */
+int dpni_remove_qos_entry(struct fsl_mc_io *mc_io,
+                         uint32_t cmd_flags,
+                         uint16_t token,
+                         const struct dpni_rule_cfg *cfg)
+{
+       struct dpni_cmd_remove_qos_entry *cmd_params;
+       struct mc_command cmd = { 0 };
+
+       /* prepare command */
+       cmd.header = mc_encode_cmd_header(DPNI_CMDID_REMOVE_QOS_ENT,
+                                         cmd_flags,
+                                         token);
+       cmd_params = (struct dpni_cmd_remove_qos_entry *)cmd.params;
+       cmd_params->key_size = cfg->key_size;
+       cmd_params->key_iova = cpu_to_le64(cfg->key_iova);
+       cmd_params->mask_iova = cpu_to_le64(cfg->mask_iova);
+
+       /* send command to mc*/
+       return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpni_clear_qos_table() - Clear all QoS mapping entries
+ * @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
+ *
+ * Following this function call, all frames are directed to
+ * the default traffic class (0)
+ *
+ * Return:     '0' on Success; Error code otherwise.
+ */
+int dpni_clear_qos_table(struct fsl_mc_io *mc_io,
+                        uint32_t cmd_flags,
+                        uint16_t token)
+{
+       struct mc_command cmd = { 0 };
+
+       /* prepare command */
+       cmd.header = mc_encode_cmd_header(DPNI_CMDID_CLR_QOS_TBL,
+                                         cmd_flags,
+                                         token);
+
+       /* send command to mc*/
+       return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpni_add_fs_entry() - Add Flow Steering entry for a specific traffic class
+ *                     (to select a flow ID)
+ * @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)
+ * @index:     Location in the QoS table where to insert the entry.
+ *             Only relevant if MASKING is enabled for QoS classification
+ *             on this DPNI, it is ignored for exact match.
+ * @cfg:       Flow steering rule to add
+ * @action:    Action to be taken as result of a classification hit
+ *
+ * Return:     '0' on Success; Error code otherwise.
+ */
+int dpni_add_fs_entry(struct fsl_mc_io *mc_io,
+                     uint32_t cmd_flags,
+                     uint16_t token,
+                     uint8_t tc_id,
+                     uint16_t index,
+                     const struct dpni_rule_cfg *cfg,
+                     const struct dpni_fs_action_cfg *action)
+{
+       struct dpni_cmd_add_fs_entry *cmd_params;
+       struct mc_command cmd = { 0 };
+
+       /* prepare command */
+       cmd.header = mc_encode_cmd_header(DPNI_CMDID_ADD_FS_ENT,
+                                         cmd_flags,
+                                         token);
+       cmd_params = (struct dpni_cmd_add_fs_entry *)cmd.params;
+       cmd_params->tc_id = tc_id;
+       cmd_params->key_size = cfg->key_size;
+       cmd_params->index = cpu_to_le16(index);
+       cmd_params->key_iova = cpu_to_le64(cfg->key_iova);
+       cmd_params->mask_iova = cpu_to_le64(cfg->mask_iova);
+       cmd_params->options = cpu_to_le16(action->options);
+       cmd_params->flow_id = cpu_to_le16(action->flow_id);
+       cmd_params->flc = cpu_to_le64(action->flc);
+
+       /* send command to mc*/
+       return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpni_remove_fs_entry() - Remove Flow Steering entry from a specific
+ *                     traffic class
+ * @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:       Flow steering rule to remove
+ *
+ * Return:     '0' on Success; Error code otherwise.
+ */
+int dpni_remove_fs_entry(struct fsl_mc_io *mc_io,
+                        uint32_t cmd_flags,
+                        uint16_t token,
+                        uint8_t tc_id,
+                        const struct dpni_rule_cfg *cfg)
+{
+       struct dpni_cmd_remove_fs_entry *cmd_params;
+       struct mc_command cmd = { 0 };
+
+       /* prepare command */
+       cmd.header = mc_encode_cmd_header(DPNI_CMDID_REMOVE_FS_ENT,
+                                         cmd_flags,
+                                         token);
+       cmd_params = (struct dpni_cmd_remove_fs_entry *)cmd.params;
+       cmd_params->tc_id = tc_id;
+       cmd_params->key_size = cfg->key_size;
+       cmd_params->key_iova = cpu_to_le64(cfg->key_iova);
+       cmd_params->mask_iova = cpu_to_le64(cfg->mask_iova);
+
+       /* send command to mc*/
+       return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpni_clear_fs_entries() - Clear all Flow Steering entries of a specific
+ *                     traffic class
+ * @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)
+ *
+ * Return:     '0' on Success; Error code otherwise.
+ */
+int dpni_clear_fs_entries(struct fsl_mc_io *mc_io,
+                         uint32_t cmd_flags,
+                         uint16_t token,
+                         uint8_t tc_id)
+{
+       struct dpni_cmd_clear_fs_entries *cmd_params;
+       struct mc_command cmd = { 0 };
+
+       /* prepare command */
+       cmd.header = mc_encode_cmd_header(DPNI_CMDID_CLR_FS_ENT,
+                                         cmd_flags,
+                                         token);
+       cmd_params = (struct dpni_cmd_clear_fs_entries *)cmd.params;
+       cmd_params->tc_id = tc_id;
+
+       /* send command to mc*/
+       return mc_send_command(mc_io, &cmd);
+}
+
 /**
  * dpni_set_congestion_notification() - Set traffic class congestion
  *     notification configuration
@@ -1558,6 +1838,8 @@ int dpni_set_congestion_notification(struct fsl_mc_io *mc_io,
        cmd_params = (struct dpni_cmd_set_congestion_notification *)cmd.params;
        cmd_params->qtype = qtype;
        cmd_params->tc = tc_id;
+       cmd_params->congestion_point = cfg->cg_point;
+       cmd_params->cgid = (uint8_t)cfg->cgid;
        cmd_params->dest_id = cpu_to_le32(cfg->dest_cfg.dest_id);
        cmd_params->notification_mode = cpu_to_le16(cfg->notification_mode);
        cmd_params->dest_priority = cfg->dest_cfg.priority;
@@ -1608,6 +1890,8 @@ int dpni_get_congestion_notification(struct fsl_mc_io *mc_io,
        cmd_params = (struct dpni_cmd_get_congestion_notification *)cmd.params;
        cmd_params->qtype = qtype;
        cmd_params->tc = tc_id;
+       cmd_params->congestion_point = cfg->cg_point;
+       cmd_params->cgid = cfg->cgid;
 
        /* send command to mc*/
        err = mc_send_command(mc_io, &cmd);
@@ -1707,6 +1991,7 @@ int dpni_set_queue(struct fsl_mc_io *mc_io,
                       queue->destination.hold_active);
        cmd_params->flc = cpu_to_le64(queue->flc.value);
        cmd_params->user_context = cpu_to_le64(queue->user_context);
+       cmd_params->cgid = queue->cgid;
 
        /* send command to mc */
        return mc_send_command(mc_io, &cmd);
@@ -1768,6 +2053,10 @@ int dpni_get_queue(struct fsl_mc_io *mc_io,
        queue->user_context = le64_to_cpu(rsp_params->user_context);
        qid->fqid = le32_to_cpu(rsp_params->fqid);
        qid->qdbin = le16_to_cpu(rsp_params->qdbin);
+       if (dpni_get_field(rsp_params->flags, CGID_VALID))
+               queue->cgid = rsp_params->cgid;
+       else
+               queue->cgid = -1;
 
        return 0;
 }
@@ -1778,7 +2067,7 @@ int dpni_get_queue(struct fsl_mc_io *mc_io,
  * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_'
  * @token:     Token of DPNI object
  * @page:      Selects the statistics page to retrieve, see
- *             DPNI_GET_STATISTICS output. Pages are numbered 0 to 3.
+ *             DPNI_GET_STATISTICS output. Pages are numbered 0 to 6.
  * @param:     Custom parameter for some pages used to select
  *             a certain statistic source, for example the TC.
  * @stat:      Structure containing the statistics
@@ -1789,7 +2078,7 @@ int dpni_get_statistics(struct fsl_mc_io *mc_io,
                        uint32_t cmd_flags,
                        uint16_t token,
                        uint8_t page,
-                       uint8_t param,
+                       uint16_t param,
                        union dpni_statistics *stat)
 {
        struct mc_command cmd = { 0 };
@@ -2064,6 +2353,76 @@ int dpni_get_opr(struct fsl_mc_io *mc_io,
        return 0;
 }
 
+/**
+ * dpni_set_rx_fs_dist() - Set Rx traffic class FS distribution
+ * @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: Distribution configuration
+ * If the FS is already enabled with a previous call the classification
+ *             key will be changed but all the table rules are kept. If the
+ *             existing rules do not match the key the results will not be
+ *             predictable. It is the user responsibility to keep key integrity
+ * If cfg.enable is set to 1 the command will create a flow steering table
+ *             and will classify packets according to this table. The packets
+ *             that miss all the table rules will be classified according to
+ *             settings made in dpni_set_rx_hash_dist()
+ * If cfg.enable is set to 0 the command will clear flow steering table. The
+ *             packets will be classified according to settings made in
+ *             dpni_set_rx_hash_dist()
+ */
+int dpni_set_rx_fs_dist(struct fsl_mc_io *mc_io, uint32_t cmd_flags,
+               uint16_t token, const struct dpni_rx_dist_cfg *cfg)
+{
+       struct dpni_cmd_set_rx_fs_dist *cmd_params;
+       struct mc_command cmd = { 0 };
+
+       /* prepare command */
+       cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_RX_FS_DIST,
+                                         cmd_flags,
+                                         token);
+       cmd_params = (struct dpni_cmd_set_rx_fs_dist *)cmd.params;
+       cmd_params->dist_size   = cpu_to_le16(cfg->dist_size);
+       dpni_set_field(cmd_params->enable, RX_FS_DIST_ENABLE, cfg->enable);
+       cmd_params->tc = cfg->tc;
+       cmd_params->miss_flow_id = cpu_to_le16(cfg->fs_miss_flow_id);
+       cmd_params->key_cfg_iova = cpu_to_le64(cfg->key_cfg_iova);
+
+       /* send command to mc*/
+       return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpni_set_rx_hash_dist() - Set Rx traffic class HASH distribution
+ * @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: Distribution configuration
+ * If cfg.enable is set to 1 the packets will be classified using a hash
+ *             function based on the key received in cfg.key_cfg_iova parameter
+ * If cfg.enable is set to 0 the packets will be sent to the queue configured in
+ *             dpni_set_rx_dist_default_queue() call
+ */
+int dpni_set_rx_hash_dist(struct fsl_mc_io *mc_io, uint32_t cmd_flags,
+               uint16_t token, const struct dpni_rx_dist_cfg *cfg)
+{
+       struct dpni_cmd_set_rx_hash_dist *cmd_params;
+       struct mc_command cmd = { 0 };
+
+       /* prepare command */
+       cmd.header = mc_encode_cmd_header(DPNI_CMDID_SET_RX_HASH_DIST,
+                                         cmd_flags,
+                                         token);
+       cmd_params = (struct dpni_cmd_set_rx_hash_dist *)cmd.params;
+       cmd_params->dist_size   = cpu_to_le16(cfg->dist_size);
+       dpni_set_field(cmd_params->enable, RX_FS_DIST_ENABLE, cfg->enable);
+       cmd_params->tc_id               = cfg->tc;
+       cmd_params->key_cfg_iova = cpu_to_le64(cfg->key_cfg_iova);
+
+       /* send command to mc*/
+       return mc_send_command(mc_io, &cmd);
+}
+
 /**
  * dpni_add_custom_tpid() - Configures a distinct Ethertype value
  *             (or TPID value) to indicate VLAN tag in addition to the common
@@ -2161,3 +2520,120 @@ int dpni_get_custom_tpid(struct fsl_mc_io *mc_io, uint32_t cmd_flags,
 
        return err;
 }
+
+int dpni_load_sw_sequence(struct fsl_mc_io *mc_io,
+             uint32_t cmd_flags,
+             uint16_t token,
+                 struct dpni_load_ss_cfg *cfg)
+{
+       struct dpni_load_sw_sequence *cmd_params;
+       struct mc_command cmd = { 0 };
+
+       /* prepare command */
+       cmd.header = mc_encode_cmd_header(DPNI_CMDID_LOAD_SW_SEQUENCE,
+                                         cmd_flags,
+                                         token);
+       cmd_params = (struct dpni_load_sw_sequence *)cmd.params;
+       cmd_params->dest = cfg->dest;
+       cmd_params->ss_offset = cpu_to_le16(cfg->ss_offset);
+       cmd_params->ss_size = cpu_to_le16(cfg->ss_size);
+       cmd_params->ss_iova = cpu_to_le64(cfg->ss_iova);
+
+       /* send command to mc*/
+       return mc_send_command(mc_io, &cmd);
+}
+
+int dpni_enable_sw_sequence(struct fsl_mc_io *mc_io,
+             uint32_t cmd_flags,
+             uint16_t token,
+                 struct dpni_enable_ss_cfg *cfg)
+{
+       struct dpni_enable_sw_sequence *cmd_params;
+       struct mc_command cmd = { 0 };
+
+       /* prepare command */
+       cmd.header = mc_encode_cmd_header(DPNI_CMDID_ENABLE_SW_SEQUENCE,
+                                         cmd_flags,
+                                         token);
+       cmd_params = (struct dpni_enable_sw_sequence *)cmd.params;
+       cmd_params->dest = cfg->dest;
+       cmd_params->set_start = cfg->set_start;
+       cmd_params->hxs = cpu_to_le16(cfg->hxs);
+       cmd_params->ss_offset = cpu_to_le16(cfg->ss_offset);
+       cmd_params->param_offset = cfg->param_offset;
+       cmd_params->param_size = cfg->param_size;
+       cmd_params->param_iova = cpu_to_le64(cfg->param_iova);
+
+       /* send command to mc*/
+       return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpni_get_sw_sequence_layout() - Get the soft sequence layout
+ * @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
+ * @src:       Source of the layout (WRIOP Rx or Tx)
+ * @ss_layout_iova:  I/O virtual address of 264 bytes DMA-able memory
+ *
+ * warning: After calling this function, call dpni_extract_sw_sequence_layout()
+ *             to get the layout.
+ *
+ * Return:     '0' on Success; error code otherwise.
+ */
+int dpni_get_sw_sequence_layout(struct fsl_mc_io *mc_io,
+             uint32_t cmd_flags,
+             uint16_t token,
+                 enum dpni_soft_sequence_dest src,
+                 uint64_t ss_layout_iova)
+{
+       struct dpni_get_sw_sequence_layout *cmd_params;
+       struct mc_command cmd = { 0 };
+
+       /* prepare command */
+       cmd.header = mc_encode_cmd_header(DPNI_CMDID_GET_SW_SEQUENCE_LAYOUT,
+                                         cmd_flags,
+                                         token);
+
+       cmd_params = (struct dpni_get_sw_sequence_layout *)cmd.params;
+       cmd_params->src = src;
+       cmd_params->layout_iova = cpu_to_le64(ss_layout_iova);
+
+       /* send command to mc*/
+       return mc_send_command(mc_io, &cmd);
+}
+
+/**
+ * dpni_extract_sw_sequence_layout() - extract the software sequence layout
+ * @layout:            software sequence layout
+ * @sw_sequence_layout_buf:    Zeroed 264 bytes of memory before mapping it
+ *                             to DMA
+ *
+ * This function has to be called after dpni_get_sw_sequence_layout
+ *
+ */
+void dpni_extract_sw_sequence_layout(struct dpni_sw_sequence_layout *layout,
+                            const uint8_t *sw_sequence_layout_buf)
+{
+       const struct dpni_sw_sequence_layout_entry *ext_params;
+       int i;
+       uint16_t ss_size, ss_offset;
+
+       ext_params = (const struct dpni_sw_sequence_layout_entry *)
+                                               sw_sequence_layout_buf;
+
+       for (i = 0; i < DPNI_SW_SEQUENCE_LAYOUT_SIZE; i++) {
+               ss_offset = le16_to_cpu(ext_params[i].ss_offset);
+               ss_size = le16_to_cpu(ext_params[i].ss_size);
+
+               if (ss_offset == 0 && ss_size == 0) {
+                       layout->num_ss = i;
+                       return;
+               }
+
+               layout->ss[i].ss_offset = ss_offset;
+               layout->ss[i].ss_size = ss_size;
+               layout->ss[i].param_offset = ext_params[i].param_offset;
+               layout->ss[i].param_size = ext_params[i].param_size;
+       }
+}