common/cnxk: use computed value for WQE skip
[dpdk.git] / drivers / net / cnxk / cnxk_ethdev_mtr.c
index b5be7c5..02803bd 100644 (file)
@@ -8,8 +8,26 @@
 #define NIX_MTR_COUNT_MAX      73 /* 64(leaf) + 8(mid) + 1(top) */
 #define NIX_MTR_COUNT_PER_FLOW 3  /* 1(leaf) + 1(mid) + 1(top) */
 
+#define NIX_BPF_STATS_MASK_ALL                                                 \
+       {                                                                      \
+               ROC_NIX_BPF_GREEN_PKT_F_PASS | ROC_NIX_BPF_GREEN_OCTS_F_PASS | \
+                       ROC_NIX_BPF_GREEN_PKT_F_DROP |                         \
+                       ROC_NIX_BPF_GREEN_OCTS_F_DROP |                        \
+                       ROC_NIX_BPF_YELLOW_PKT_F_PASS |                        \
+                       ROC_NIX_BPF_YELLOW_OCTS_F_PASS |                       \
+                       ROC_NIX_BPF_YELLOW_PKT_F_DROP |                        \
+                       ROC_NIX_BPF_YELLOW_OCTS_F_DROP |                       \
+                       ROC_NIX_BPF_RED_PKT_F_PASS |                           \
+                       ROC_NIX_BPF_RED_OCTS_F_PASS |                          \
+                       ROC_NIX_BPF_RED_PKT_F_DROP |                           \
+                       ROC_NIX_BPF_RED_OCTS_F_DROP                            \
+       }
+
+static const enum roc_nix_bpf_level_flag lvl_map[] = {ROC_NIX_BPF_LEVEL_F_LEAF,
+                                                     ROC_NIX_BPF_LEVEL_F_MID,
+                                                     ROC_NIX_BPF_LEVEL_F_TOP};
+
 static struct rte_mtr_capabilities mtr_capa = {
-       .n_max = NIX_MTR_COUNT_MAX,
        .n_shared_max = NIX_MTR_COUNT_PER_FLOW,
        /* .identical = , */
        .shared_identical = true,
@@ -17,11 +35,6 @@ static struct rte_mtr_capabilities mtr_capa = {
        .chaining_n_mtrs_per_flow_max = NIX_MTR_COUNT_PER_FLOW,
        .chaining_use_prev_mtr_color_supported = true,
        .chaining_use_prev_mtr_color_enforced = true,
-       .meter_srtcm_rfc2697_n_max = NIX_MTR_COUNT_MAX,
-       .meter_trtcm_rfc2698_n_max = NIX_MTR_COUNT_MAX,
-       .meter_trtcm_rfc4115_n_max = NIX_MTR_COUNT_MAX,
-       .meter_rate_max = NIX_BPF_RATE_MAX / 8, /* Bytes per second */
-       .meter_policy_n_max = NIX_MTR_COUNT_MAX,
        .color_aware_srtcm_rfc2697_supported = true,
        .color_aware_trtcm_rfc2698_supported = true,
        .color_aware_trtcm_rfc4115_supported = true,
@@ -37,6 +50,18 @@ static struct rte_mtr_capabilities mtr_capa = {
                      RTE_MTR_STATS_N_BYTES_YELLOW | RTE_MTR_STATS_N_BYTES_RED |
                      RTE_MTR_STATS_N_BYTES_DROPPED};
 
+static struct cnxk_meter_node *
+nix_mtr_find(struct cnxk_eth_dev *dev, uint32_t meter_id)
+{
+       struct cnxk_mtr *fms = &dev->mtr;
+       struct cnxk_meter_node *fm;
+
+       TAILQ_FOREACH(fm, fms, next)
+               if (meter_id == fm->id)
+                       return fm;
+       return NULL;
+}
+
 static struct cnxk_mtr_profile_node *
 nix_mtr_profile_find(struct cnxk_eth_dev *dev, uint32_t profile_id)
 {
@@ -154,12 +179,42 @@ cnxk_nix_mtr_capabilities_get(struct rte_eth_dev *dev,
                              struct rte_mtr_capabilities *capa,
                              struct rte_mtr_error *error)
 {
+       uint8_t lvl_mask = ROC_NIX_BPF_LEVEL_F_LEAF | ROC_NIX_BPF_LEVEL_F_MID |
+                          ROC_NIX_BPF_LEVEL_F_TOP;
+       struct cnxk_eth_dev *eth_dev = cnxk_eth_pmd_priv(dev);
+       uint16_t count[ROC_NIX_BPF_LEVEL_MAX] = {0};
+       struct roc_nix *nix = &eth_dev->nix;
+       uint32_t time_unit;
+       int rc, i;
+
        RTE_SET_USED(dev);
 
        if (!capa)
                return -rte_mtr_error_set(error, EINVAL,
-                                         RTE_MTR_ERROR_TYPE_MTR_PARAMS, NULL,
-                                         "NULL input parameter");
+                               RTE_MTR_ERROR_TYPE_MTR_PARAMS, NULL,
+                               "NULL input parameter");
+
+       rc = roc_nix_bpf_count_get(nix, lvl_mask, count);
+       if (rc)
+               return rc;
+
+       for (i = 0; i < ROC_NIX_BPF_LEVEL_MAX; i++)
+               mtr_capa.n_max += count[i];
+
+       mtr_capa.meter_srtcm_rfc2697_n_max = mtr_capa.n_max;
+       mtr_capa.meter_trtcm_rfc2698_n_max = mtr_capa.n_max;
+       mtr_capa.meter_trtcm_rfc4115_n_max = mtr_capa.n_max;
+       mtr_capa.meter_policy_n_max = mtr_capa.n_max;
+
+       rc = roc_nix_bpf_timeunit_get(nix, &time_unit);
+       if (rc)
+               return rc;
+
+       mtr_capa.meter_rate_max =
+               NIX_BPF_RATE(time_unit, NIX_BPF_MAX_RATE_EXPONENT,
+                            NIX_BPF_MAX_RATE_MANTISSA, 0) /
+               8;
+
        *capa = mtr_capa;
        return 0;
 }
@@ -230,15 +285,54 @@ cnxk_nix_mtr_profile_delete(struct rte_eth_dev *eth_dev, uint32_t profile_id,
        return 0;
 }
 
+static int
+update_mtr_err(uint32_t act_color, struct rte_mtr_error *error, bool action)
+{
+       const char *str = NULL;
+       switch (act_color) {
+       case RTE_COLOR_GREEN:
+               if (action) {
+                       str = "Green action is not valid";
+                       goto notsup;
+               } else {
+                       str = "Green action is null";
+                       goto notvalid;
+               }
+               break;
+       case RTE_COLOR_YELLOW:
+               if (action) {
+                       str = "Yellow action is not valid";
+                       goto notsup;
+               } else {
+                       str = "Yellow action is null";
+                       goto notvalid;
+               }
+               break;
+       case RTE_COLOR_RED:
+               if (action) {
+                       str = "Red action is not valid";
+                       goto notsup;
+               } else {
+                       str = "Red action is null";
+                       goto notvalid;
+               }
+               break;
+       }
+notsup:
+       return -rte_mtr_error_set(error, ENOTSUP,
+                                 RTE_MTR_ERROR_TYPE_METER_POLICY, NULL, str);
+notvalid:
+       return -rte_mtr_error_set(error, EINVAL,
+                                 RTE_MTR_ERROR_TYPE_METER_POLICY, NULL, str);
+}
+
 static int
 cnxk_nix_mtr_policy_validate(struct rte_eth_dev *dev,
                             struct rte_mtr_meter_policy_params *policy,
                             struct rte_mtr_error *error)
 {
-       static const char *const action_color[] = {"Green", "Yellow", "Red"};
        bool supported[RTE_COLORS] = {false, false, false};
        const struct rte_flow_action *action;
-       char message[1024];
        uint32_t i;
 
        RTE_SET_USED(dev);
@@ -257,21 +351,14 @@ cnxk_nix_mtr_policy_validate(struct rte_eth_dev *dev,
                                if (action->type == RTE_FLOW_ACTION_TYPE_DROP)
                                        supported[i] = true;
 
-                               if (!supported[i]) {
-                                       sprintf(message,
-                                               "%s action is not valid",
-                                               action_color[i]);
-                                       return -rte_mtr_error_set(error,
-                                         ENOTSUP,
-                                         RTE_MTR_ERROR_TYPE_METER_POLICY, NULL,
-                                         message);
-                               }
+                               if (action->type == RTE_FLOW_ACTION_TYPE_VOID)
+                                       supported[i] = true;
+
+                               if (!supported[i])
+                                       return update_mtr_err(i, error, true);
                        }
                } else {
-                       sprintf(message, "%s action is null", action_color[i]);
-                       return -rte_mtr_error_set(error, EINVAL,
-                               RTE_MTR_ERROR_TYPE_METER_POLICY, NULL,
-                               message);
+                       return update_mtr_err(i, error, false);
                }
        }
 
@@ -374,6 +461,403 @@ cnxk_nix_mtr_policy_delete(struct rte_eth_dev *eth_dev, uint32_t policy_id,
        return 0;
 }
 
+static int
+cnxk_nix_mtr_create(struct rte_eth_dev *eth_dev, uint32_t mtr_id,
+                   struct rte_mtr_params *params, int shared,
+                   struct rte_mtr_error *error)
+{
+       struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+       struct cnxk_mtr_profile_node *profile;
+       struct cnxk_mtr_policy_node *policy;
+       struct cnxk_mtr *fm = &dev->mtr;
+       struct cnxk_meter_node *mtr;
+       int i;
+
+       RTE_SET_USED(shared);
+
+       if (params == NULL)
+               return -rte_mtr_error_set(error, ENOENT,
+                                         RTE_MTR_ERROR_TYPE_MTR_PARAMS, NULL,
+                                         "Meter params are invalid.");
+
+       profile = nix_mtr_profile_find(dev, params->meter_profile_id);
+       if (profile == NULL)
+               return -rte_mtr_error_set(error, ENOENT,
+                                         RTE_MTR_ERROR_TYPE_METER_PROFILE_ID,
+                                         &params->meter_profile_id,
+                                         "Meter profile is invalid.");
+
+       policy = nix_mtr_policy_find(dev, params->meter_policy_id);
+       if (policy == NULL)
+               return -rte_mtr_error_set(error, ENOENT,
+                                         RTE_MTR_ERROR_TYPE_METER_POLICY_ID,
+                                         &params->meter_policy_id,
+                                         "Meter policy is invalid.");
+
+       mtr = nix_mtr_find(dev, mtr_id);
+       if (mtr) {
+               return -rte_mtr_error_set(error, EEXIST,
+                                         RTE_MTR_ERROR_TYPE_MTR_ID, NULL,
+                                         "Meter already exist");
+       }
+
+       mtr = plt_zmalloc(sizeof(struct cnxk_meter_node), ROC_ALIGN);
+       if (mtr == NULL) {
+               return -rte_mtr_error_set(error, ENOMEM,
+                                         RTE_MTR_ERROR_TYPE_UNSPECIFIED, NULL,
+                                         "Meter memory alloc failed.");
+       }
+
+       mtr->id = mtr_id;
+       mtr->profile = profile;
+       mtr->policy = policy;
+       mtr->params = *params;
+       mtr->bpf_id = ROC_NIX_BPF_ID_INVALID;
+       mtr->prev_cnt = 0;
+       for (i = 0; i < MAX_PRV_MTR_NODES; i++)
+               mtr->prev_id[i] = ROC_NIX_BPF_ID_INVALID;
+
+       mtr->next_id = ROC_NIX_BPF_ID_INVALID;
+       mtr->is_next = false;
+       mtr->level = ROC_NIX_BPF_LEVEL_IDX_INVALID;
+
+       if (params->dscp_table) {
+               mtr->params.dscp_table =
+                       plt_zmalloc(ROC_NIX_BPF_PRE_COLOR_MAX, ROC_ALIGN);
+               if (mtr->params.dscp_table == NULL) {
+                       plt_free(mtr);
+                       return -rte_mtr_error_set(error, ENOMEM,
+                                       RTE_MTR_ERROR_TYPE_UNSPECIFIED,
+                                       NULL, "Memory alloc failed.");
+               }
+
+               for (i = 0; i < ROC_NIX_BPF_PRE_COLOR_MAX; i++)
+                       mtr->params.dscp_table[i] = params->dscp_table[i];
+       }
+
+       profile->ref_cnt++;
+       policy->ref_cnt++;
+       TAILQ_INSERT_TAIL(fm, mtr, next);
+       return 0;
+}
+
+static int
+cnxk_nix_mtr_destroy(struct rte_eth_dev *eth_dev, uint32_t mtr_id,
+                    struct rte_mtr_error *error)
+{
+       struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+       struct roc_nix_bpf_objs profs = {0};
+       struct cnxk_mtr *fm = &dev->mtr;
+       struct roc_nix *nix = &dev->nix;
+       struct cnxk_meter_node *mtr;
+       struct cnxk_meter_node *mid_mtr;
+       struct cnxk_meter_node *top_mtr;
+       int rc = 0;
+
+       mtr = nix_mtr_find(dev, mtr_id);
+       if (mtr == NULL) {
+               return -rte_mtr_error_set(error, ENOENT,
+                                         RTE_MTR_ERROR_TYPE_MTR_ID, &mtr_id,
+                                         "Meter id is invalid.");
+       }
+
+       if (mtr->ref_cnt) {
+               return -rte_mtr_error_set(error, EADDRINUSE,
+                                         RTE_MTR_ERROR_TYPE_MTR_ID, &mtr_id,
+                                         "Meter id in use.");
+       }
+
+       switch (lvl_map[mtr->level]) {
+       case ROC_NIX_BPF_LEVEL_F_LEAF:
+               if (mtr->is_next) {
+                       rc = roc_nix_bpf_connect(nix, ROC_NIX_BPF_LEVEL_F_LEAF,
+                                                mtr->bpf_id,
+                                                ROC_NIX_BPF_ID_INVALID);
+               }
+               break;
+       case ROC_NIX_BPF_LEVEL_F_MID:
+               while ((mtr->prev_cnt) + 1) {
+                       mid_mtr =
+                               nix_mtr_find(dev, mtr->prev_id[mtr->prev_cnt]);
+                       rc = roc_nix_bpf_connect(nix, ROC_NIX_BPF_LEVEL_F_LEAF,
+                                                mid_mtr->bpf_id,
+                                                ROC_NIX_BPF_ID_INVALID);
+                       mtr->prev_cnt--;
+               }
+               if (mtr->is_next) {
+                       rc = roc_nix_bpf_connect(nix, ROC_NIX_BPF_LEVEL_F_MID,
+                                                mtr->bpf_id,
+                                                ROC_NIX_BPF_ID_INVALID);
+               }
+               break;
+       case ROC_NIX_BPF_LEVEL_F_TOP:
+               while (mtr->prev_cnt) {
+                       top_mtr =
+                               nix_mtr_find(dev, mtr->prev_id[mtr->prev_cnt]);
+                       rc = roc_nix_bpf_connect(nix, ROC_NIX_BPF_LEVEL_F_MID,
+                                                top_mtr->bpf_id,
+                                                ROC_NIX_BPF_ID_INVALID);
+                       mtr->prev_cnt--;
+               }
+               break;
+       default:
+               return -rte_mtr_error_set(error, EINVAL,
+                                         RTE_MTR_ERROR_TYPE_MTR_ID, NULL,
+                                         "Invalid meter level");
+       }
+
+       if (rc)
+               goto exit;
+
+       profs.level = mtr->level;
+       profs.count = 1;
+       profs.ids[0] = mtr->bpf_id;
+       rc = roc_nix_bpf_free(nix, &profs, 1);
+       if (rc)
+               goto exit;
+
+       mtr->policy->ref_cnt--;
+       mtr->profile->ref_cnt--;
+       TAILQ_REMOVE(fm, mtr, next);
+       plt_free(mtr->params.dscp_table);
+       plt_free(mtr);
+
+exit:
+       return rc;
+}
+
+static int
+cnxk_nix_mtr_enable(struct rte_eth_dev *eth_dev, uint32_t mtr_id,
+                   struct rte_mtr_error *error)
+{
+       struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+       struct roc_nix *nix = &dev->nix;
+       struct cnxk_meter_node *mtr;
+       struct roc_nix_rq *rq;
+       uint32_t i;
+       int rc = 0;
+
+       mtr = nix_mtr_find(dev, mtr_id);
+       if (mtr == NULL) {
+               return -rte_mtr_error_set(error, ENOENT,
+                                         RTE_MTR_ERROR_TYPE_MTR_ID, NULL,
+                                         "Meter id is invalid.");
+       }
+
+       if (mtr->level != 0)
+               return 0;
+
+       for (i = 0; i < mtr->rq_num; i++) {
+               rq = &dev->rqs[mtr->rq_id[i]];
+               rc |= roc_nix_bpf_ena_dis(nix, mtr->bpf_id, rq, true);
+       }
+
+       return rc;
+}
+
+static int
+cnxk_nix_mtr_disable(struct rte_eth_dev *eth_dev, uint32_t mtr_id,
+                    struct rte_mtr_error *error)
+{
+       struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+       struct roc_nix *nix = &dev->nix;
+       struct cnxk_meter_node *mtr;
+       struct roc_nix_rq *rq;
+       uint32_t i;
+       int rc = 0;
+
+       mtr = nix_mtr_find(dev, mtr_id);
+       if (mtr == NULL) {
+               return -rte_mtr_error_set(error, ENOENT,
+                                         RTE_MTR_ERROR_TYPE_MTR_ID, NULL,
+                                         "Meter id is invalid.");
+       }
+
+       if (mtr->level != 0)
+               return 0;
+
+       for (i = 0; i < mtr->rq_num; i++) {
+               rq = &dev->rqs[mtr->rq_id[i]];
+               rc |= roc_nix_bpf_ena_dis(nix, mtr->bpf_id, rq, false);
+       }
+
+       return rc;
+}
+
+static int
+cnxk_nix_mtr_dscp_table_update(struct rte_eth_dev *eth_dev, uint32_t mtr_id,
+                              enum rte_color *dscp_table,
+                              struct rte_mtr_error *error)
+{
+       enum roc_nix_bpf_color nix_dscp_tbl[ROC_NIX_BPF_PRE_COLOR_MAX];
+       enum roc_nix_bpf_color color_map[] = {ROC_NIX_BPF_COLOR_GREEN,
+                                             ROC_NIX_BPF_COLOR_YELLOW,
+                                             ROC_NIX_BPF_COLOR_RED};
+       struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+       struct roc_nix_bpf_precolor table;
+       struct roc_nix *nix = &dev->nix;
+       struct cnxk_meter_node *mtr;
+       int rc, i;
+
+       mtr = nix_mtr_find(dev, mtr_id);
+       if (mtr == NULL) {
+               return -rte_mtr_error_set(error, ENOENT,
+                                         RTE_MTR_ERROR_TYPE_MTR_ID, NULL,
+                                         "Meter object not found");
+       }
+
+       if (!dscp_table) {
+               for (i = 0; i < ROC_NIX_BPF_PRE_COLOR_MAX; i++)
+                       nix_dscp_tbl[i] = ROC_NIX_BPF_COLOR_GREEN;
+       } else {
+               for (i = 0; i < ROC_NIX_BPF_PRE_COLOR_MAX; i++)
+                       nix_dscp_tbl[i] = color_map[dscp_table[i]];
+       }
+
+       table.count = ROC_NIX_BPF_PRE_COLOR_MAX;
+       table.mode = ROC_NIX_BPF_PC_MODE_DSCP_OUTER;
+       for (i = 0; i < ROC_NIX_BPF_PRE_COLOR_MAX; i++)
+               table.color[i] = nix_dscp_tbl[i];
+
+       rc = roc_nix_bpf_pre_color_tbl_setup(nix, mtr->bpf_id,
+                                            lvl_map[mtr->level], &table);
+       if (rc) {
+               rte_mtr_error_set(error, rc, RTE_MTR_ERROR_TYPE_UNSPECIFIED,
+                                 NULL, NULL);
+               goto exit;
+       }
+
+       for (i = 0; i < ROC_NIX_BPF_PRE_COLOR_MAX; i++)
+               dev->precolor_tbl[i] = nix_dscp_tbl[i];
+
+exit:
+       return rc;
+}
+
+static int
+cnxk_nix_mtr_stats_update(struct rte_eth_dev *eth_dev, uint32_t mtr_id,
+                         uint64_t stats_mask, struct rte_mtr_error *error)
+{
+       struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+       struct cnxk_meter_node *mtr;
+
+       if (!stats_mask)
+               return -rte_mtr_error_set(error, EINVAL,
+                                         RTE_MTR_ERROR_TYPE_MTR_PARAMS, NULL,
+                                         "no bit is set to stats mask");
+
+       mtr = nix_mtr_find(dev, mtr_id);
+       if (mtr == NULL) {
+               return -rte_mtr_error_set(error, ENOENT,
+                                         RTE_MTR_ERROR_TYPE_MTR_ID, NULL,
+                                         "Meter object not found");
+       }
+
+       mtr->params.stats_mask = stats_mask;
+       return 0;
+}
+
+static int
+cnxk_nix_mtr_stats_read(struct rte_eth_dev *eth_dev, uint32_t mtr_id,
+                       struct rte_mtr_stats *stats, uint64_t *stats_mask,
+                       int clear, struct rte_mtr_error *error)
+{
+       uint8_t yellow_pkt_pass, yellow_octs_pass, yellow_pkt_drop;
+       uint8_t green_octs_drop, yellow_octs_drop, red_octs_drop;
+       uint8_t green_pkt_pass, green_octs_pass, green_pkt_drop;
+       struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+       uint8_t red_pkt_pass, red_octs_pass, red_pkt_drop;
+       uint64_t bpf_stats[ROC_NIX_BPF_STATS_MAX] = {0};
+       uint64_t mask = NIX_BPF_STATS_MASK_ALL;
+       struct roc_nix *nix = &dev->nix;
+       struct cnxk_meter_node *mtr;
+       int rc;
+
+       if (!stats)
+               return -rte_mtr_error_set(error, EINVAL,
+                                         RTE_MTR_ERROR_TYPE_MTR_PARAMS, NULL,
+                                         "stats pointer is NULL");
+
+       mtr = nix_mtr_find(dev, mtr_id);
+       if (mtr == NULL) {
+               return -rte_mtr_error_set(error, ENOENT,
+                                         RTE_MTR_ERROR_TYPE_MTR_ID, NULL,
+                                         "Meter object not found");
+       }
+
+       rc = roc_nix_bpf_stats_read(nix, mtr->bpf_id, mask, lvl_map[mtr->level],
+                                   bpf_stats);
+       if (rc) {
+               rte_mtr_error_set(error, rc, RTE_MTR_ERROR_TYPE_UNSPECIFIED,
+                                 NULL, NULL);
+               goto exit;
+       }
+
+       green_pkt_pass = roc_nix_bpf_stats_to_idx(ROC_NIX_BPF_GREEN_PKT_F_PASS);
+       green_octs_pass =
+               roc_nix_bpf_stats_to_idx(ROC_NIX_BPF_GREEN_OCTS_F_PASS);
+       green_pkt_drop = roc_nix_bpf_stats_to_idx(ROC_NIX_BPF_GREEN_PKT_F_DROP);
+       green_octs_drop =
+               roc_nix_bpf_stats_to_idx(ROC_NIX_BPF_GREEN_OCTS_F_DROP);
+       yellow_pkt_pass =
+               roc_nix_bpf_stats_to_idx(ROC_NIX_BPF_YELLOW_PKT_F_PASS);
+       yellow_octs_pass =
+               roc_nix_bpf_stats_to_idx(ROC_NIX_BPF_YELLOW_OCTS_F_PASS);
+       yellow_pkt_drop =
+               roc_nix_bpf_stats_to_idx(ROC_NIX_BPF_YELLOW_PKT_F_DROP);
+       yellow_octs_drop =
+               roc_nix_bpf_stats_to_idx(ROC_NIX_BPF_YELLOW_OCTS_F_DROP);
+       red_pkt_pass = roc_nix_bpf_stats_to_idx(ROC_NIX_BPF_RED_PKT_F_PASS);
+       red_octs_pass = roc_nix_bpf_stats_to_idx(ROC_NIX_BPF_RED_OCTS_F_PASS);
+       red_pkt_drop = roc_nix_bpf_stats_to_idx(ROC_NIX_BPF_RED_PKT_F_DROP);
+       red_octs_drop = roc_nix_bpf_stats_to_idx(ROC_NIX_BPF_RED_OCTS_F_DROP);
+
+       if (mtr->params.stats_mask & RTE_MTR_STATS_N_PKTS_GREEN)
+               stats->n_pkts[RTE_COLOR_GREEN] = bpf_stats[green_pkt_pass];
+
+       if (mtr->params.stats_mask & RTE_MTR_STATS_N_PKTS_YELLOW)
+               stats->n_pkts[RTE_COLOR_YELLOW] = bpf_stats[yellow_pkt_pass];
+
+       if (mtr->params.stats_mask & RTE_MTR_STATS_N_PKTS_RED)
+               stats->n_pkts[RTE_COLOR_RED] = bpf_stats[red_pkt_pass];
+
+       if (mtr->params.stats_mask & RTE_MTR_STATS_N_BYTES_GREEN)
+               stats->n_bytes[RTE_COLOR_GREEN] = bpf_stats[green_octs_pass];
+
+       if (mtr->params.stats_mask & RTE_MTR_STATS_N_BYTES_YELLOW)
+               stats->n_bytes[RTE_COLOR_YELLOW] = bpf_stats[yellow_octs_pass];
+
+       if (mtr->params.stats_mask & RTE_MTR_STATS_N_BYTES_RED)
+               stats->n_bytes[RTE_COLOR_RED] = bpf_stats[red_octs_pass];
+
+       if (mtr->params.stats_mask & RTE_MTR_STATS_N_PKTS_DROPPED)
+               stats->n_pkts_dropped = bpf_stats[green_pkt_drop] +
+                                       bpf_stats[yellow_pkt_drop] +
+                                       bpf_stats[red_pkt_drop];
+
+       if (mtr->params.stats_mask & RTE_MTR_STATS_N_BYTES_DROPPED)
+               stats->n_bytes_dropped = bpf_stats[green_octs_drop] +
+                                        bpf_stats[yellow_octs_drop] +
+                                        bpf_stats[red_octs_drop];
+
+       if (stats_mask)
+               *stats_mask = mtr->params.stats_mask;
+
+       if (clear) {
+               rc = roc_nix_bpf_stats_reset(nix, mtr->bpf_id, mask,
+                                            lvl_map[mtr->level]);
+               if (rc) {
+                       rte_mtr_error_set(error, rc,
+                                         RTE_MTR_ERROR_TYPE_UNSPECIFIED, NULL,
+                                         NULL);
+                       goto exit;
+               }
+       }
+
+exit:
+       return rc;
+}
+
 const struct rte_mtr_ops nix_mtr_ops = {
        .capabilities_get = cnxk_nix_mtr_capabilities_get,
        .meter_profile_add = cnxk_nix_mtr_profile_add,
@@ -381,6 +865,13 @@ const struct rte_mtr_ops nix_mtr_ops = {
        .meter_policy_validate = cnxk_nix_mtr_policy_validate,
        .meter_policy_add = cnxk_nix_mtr_policy_add,
        .meter_policy_delete = cnxk_nix_mtr_policy_delete,
+       .create = cnxk_nix_mtr_create,
+       .destroy = cnxk_nix_mtr_destroy,
+       .meter_enable = cnxk_nix_mtr_enable,
+       .meter_disable = cnxk_nix_mtr_disable,
+       .meter_dscp_table_update = cnxk_nix_mtr_dscp_table_update,
+       .stats_update = cnxk_nix_mtr_stats_update,
+       .stats_read = cnxk_nix_mtr_stats_read,
 };
 
 int
@@ -391,3 +882,525 @@ cnxk_nix_mtr_ops_get(struct rte_eth_dev *dev, void *ops)
        *(const void **)ops = &nix_mtr_ops;
        return 0;
 }
+
+int
+nix_mtr_validate(struct rte_eth_dev *eth_dev, uint32_t id)
+{
+       struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+       struct cnxk_mtr_profile_node *profile;
+       struct cnxk_mtr_policy_node *policy;
+       struct cnxk_meter_node *mtr;
+
+       mtr = nix_mtr_find(dev, id);
+       if (mtr == NULL)
+               return -EINVAL;
+
+       profile = nix_mtr_profile_find(dev, mtr->params.meter_profile_id);
+       if (profile == NULL)
+               return -EINVAL;
+
+       policy = nix_mtr_policy_find(dev, mtr->params.meter_policy_id);
+       if (policy == NULL)
+               return -EINVAL;
+
+       return 0;
+}
+
+int
+nix_mtr_policy_act_get(struct rte_eth_dev *eth_dev, uint32_t id,
+                      struct cnxk_mtr_policy_node **policy_act)
+{
+       struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+       struct cnxk_mtr_policy_node *policy;
+       struct cnxk_meter_node *mtr;
+
+       mtr = nix_mtr_find(dev, id);
+       if (mtr == NULL)
+               return -EINVAL;
+
+       policy = nix_mtr_policy_find(dev, mtr->params.meter_policy_id);
+       if (policy == NULL)
+               return -EINVAL;
+
+       *policy_act = policy;
+
+       return 0;
+}
+
+int
+nix_mtr_rq_update(struct rte_eth_dev *eth_dev, uint32_t id, uint32_t queue_num,
+                 const uint16_t *queue)
+{
+       struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+       struct cnxk_meter_node *mtr;
+       uint32_t i;
+
+       mtr = nix_mtr_find(dev, id);
+       if (mtr == NULL)
+               return -EINVAL;
+
+       mtr->rq_id = plt_zmalloc(queue_num * sizeof(uint32_t), ROC_ALIGN);
+       if (mtr->rq_id == NULL)
+               return -ENOMEM;
+
+       mtr->rq_num = queue_num;
+       for (i = 0; i < queue_num; i++)
+               mtr->rq_id[i] = queue[i];
+
+       return 0;
+}
+
+int
+nix_mtr_chain_reset(struct rte_eth_dev *eth_dev, uint32_t cur_id)
+{
+       struct cnxk_meter_node *mtr[ROC_NIX_BPF_LEVEL_MAX] = {0};
+       struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+       uint32_t mtr_id = cur_id;
+       int i = 0, j = 0;
+
+       for (i = 0; i < ROC_NIX_BPF_LEVEL_MAX; i++) {
+               mtr[i] = nix_mtr_find(dev, mtr_id);
+               if (mtr[i])
+                       mtr_id = mtr[i]->next_id;
+       }
+       for (i = 0; i < ROC_NIX_BPF_LEVEL_MAX; i++) {
+               if (mtr[i]) {
+                       for (j = 0; j < MAX_PRV_MTR_NODES; j++)
+                               mtr[i]->prev_id[i] = ROC_NIX_BPF_ID_INVALID;
+                       mtr[i]->level = ROC_NIX_BPF_LEVEL_IDX_INVALID;
+                       mtr[i]->next_id = ROC_NIX_BPF_ID_INVALID;
+                       mtr[i]->is_next = false;
+                       mtr[i]->prev_cnt = 0;
+               }
+       }
+       return 0;
+}
+
+int
+nix_mtr_chain_update(struct rte_eth_dev *eth_dev, uint32_t cur_id,
+                    uint32_t prev_id, uint32_t next_id)
+{
+       struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+       struct cnxk_meter_node *mtr;
+
+       mtr = nix_mtr_find(dev, cur_id);
+       if (mtr == NULL)
+               return -EINVAL;
+
+       switch (lvl_map[mtr->level]) {
+       case ROC_NIX_BPF_LEVEL_F_LEAF:
+               mtr->prev_id[mtr->prev_cnt] = ROC_NIX_BPF_ID_INVALID;
+               mtr->next_id = next_id;
+               mtr->is_next = true;
+               break;
+       case ROC_NIX_BPF_LEVEL_F_MID:
+               mtr->prev_id[mtr->prev_cnt] = prev_id;
+               mtr->next_id = next_id;
+               mtr->is_next = true;
+               break;
+       case ROC_NIX_BPF_LEVEL_F_TOP:
+               mtr->prev_id[mtr->prev_cnt] = prev_id;
+               mtr->next_id = ROC_NIX_BPF_ID_INVALID;
+               mtr->is_next = false;
+               break;
+       default:
+               plt_err("Invalid meter level");
+               return -EINVAL;
+       }
+
+       return 0;
+}
+
+struct cnxk_meter_node *
+nix_get_mtr(struct rte_eth_dev *eth_dev, uint32_t id)
+{
+       struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+       struct cnxk_meter_node *mtr;
+
+       mtr = nix_mtr_find(dev, id);
+       if (mtr == NULL)
+               return NULL;
+
+       return mtr;
+}
+
+int
+nix_mtr_level_update(struct rte_eth_dev *eth_dev, uint32_t id, uint32_t level)
+{
+       struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+       struct cnxk_meter_node *mtr;
+
+       mtr = nix_mtr_find(dev, id);
+       if (mtr == NULL)
+               return -EINVAL;
+
+       mtr->level = level;
+       return 0;
+}
+
+static void
+nix_mtr_config_map(struct cnxk_meter_node *mtr, struct roc_nix_bpf_cfg *cfg)
+{
+       enum roc_nix_bpf_algo alg_map[] = {
+               ROC_NIX_BPF_ALGO_NONE, ROC_NIX_BPF_ALGO_2697,
+               ROC_NIX_BPF_ALGO_2698, ROC_NIX_BPF_ALGO_4115};
+       struct cnxk_mtr_profile_node *profile = mtr->profile;
+       struct cnxk_mtr_policy_node *policy = mtr->policy;
+
+       cfg->alg = alg_map[profile->profile.alg];
+       cfg->lmode = profile->profile.packet_mode;
+
+       switch (cfg->alg) {
+       case ROC_NIX_BPF_ALGO_2697:
+               cfg->algo2697.cir = profile->profile.srtcm_rfc2697.cir * 8;
+               cfg->algo2697.cbs = profile->profile.srtcm_rfc2697.cbs;
+               cfg->algo2697.ebs = profile->profile.srtcm_rfc2697.ebs;
+               break;
+       case ROC_NIX_BPF_ALGO_2698:
+               cfg->algo2698.cir = profile->profile.trtcm_rfc2698.cir * 8;
+               cfg->algo2698.pir = profile->profile.trtcm_rfc2698.pir * 8;
+               cfg->algo2698.cbs = profile->profile.trtcm_rfc2698.cbs;
+               cfg->algo2698.pbs = profile->profile.trtcm_rfc2698.pbs;
+               break;
+       case ROC_NIX_BPF_ALGO_4115:
+               cfg->algo4115.cir = profile->profile.trtcm_rfc4115.cir * 8;
+               cfg->algo4115.eir = profile->profile.trtcm_rfc4115.eir * 8;
+               cfg->algo4115.cbs = profile->profile.trtcm_rfc4115.cbs;
+               cfg->algo4115.ebs = profile->profile.trtcm_rfc4115.ebs;
+               break;
+       default:
+               break;
+       }
+
+       cfg->action[ROC_NIX_BPF_COLOR_GREEN] = ROC_NIX_BPF_ACTION_PASS;
+       cfg->action[ROC_NIX_BPF_COLOR_YELLOW] = ROC_NIX_BPF_ACTION_PASS;
+       cfg->action[ROC_NIX_BPF_COLOR_RED] = ROC_NIX_BPF_ACTION_PASS;
+
+       if (policy->actions[RTE_COLOR_GREEN].action_fate ==
+           RTE_FLOW_ACTION_TYPE_DROP)
+               cfg->action[ROC_NIX_BPF_COLOR_GREEN] = ROC_NIX_BPF_ACTION_DROP;
+
+       if (policy->actions[RTE_COLOR_YELLOW].action_fate ==
+           RTE_FLOW_ACTION_TYPE_DROP)
+               cfg->action[ROC_NIX_BPF_COLOR_YELLOW] = ROC_NIX_BPF_ACTION_DROP;
+
+       if (policy->actions[RTE_COLOR_RED].action_fate ==
+           RTE_FLOW_ACTION_TYPE_DROP)
+               cfg->action[ROC_NIX_BPF_COLOR_RED] = ROC_NIX_BPF_ACTION_DROP;
+}
+
+static void
+nix_dscp_table_map(struct cnxk_meter_node *mtr,
+                  struct roc_nix_bpf_precolor *tbl)
+{
+       enum roc_nix_bpf_color color_map[] = {ROC_NIX_BPF_COLOR_GREEN,
+                                             ROC_NIX_BPF_COLOR_YELLOW,
+                                             ROC_NIX_BPF_COLOR_RED};
+       int i;
+
+       tbl->count = ROC_NIX_BPF_PRE_COLOR_MAX;
+       tbl->mode = ROC_NIX_BPF_PC_MODE_DSCP_OUTER;
+
+       for (i = 0; i < ROC_NIX_BPF_PRE_COLOR_MAX; i++)
+               tbl->color[i] = ROC_NIX_BPF_COLOR_GREEN;
+
+       if (mtr->params.dscp_table) {
+               for (i = 0; i < ROC_NIX_BPF_PRE_COLOR_MAX; i++)
+                       tbl->color[i] = color_map[mtr->params.dscp_table[i]];
+       }
+}
+
+int
+nix_mtr_destroy(struct rte_eth_dev *eth_dev, uint32_t id,
+               struct rte_mtr_error *error)
+{
+       return cnxk_nix_mtr_destroy(eth_dev, id, error);
+}
+
+int
+nix_mtr_connect(struct rte_eth_dev *eth_dev, uint32_t id)
+{
+       enum roc_nix_bpf_level_flag lvl_flag = ROC_NIX_BPF_LEVEL_IDX_INVALID;
+       struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+       struct cnxk_meter_node *base_mtr, *next_mtr;
+       struct roc_nix *nix = &dev->nix;
+       uint32_t cur_mtr_id = id;
+       int rc, i;
+
+       for (i = 0; i < ROC_NIX_BPF_LEVEL_MAX; i++) {
+               base_mtr = nix_mtr_find(dev, cur_mtr_id);
+               if (base_mtr) {
+                       lvl_flag = lvl_map[base_mtr->level];
+                       if (base_mtr->is_next) {
+                               next_mtr = nix_mtr_find(dev, base_mtr->next_id);
+                               if (next_mtr) {
+                                       if (!base_mtr->is_used) {
+                                               rc = roc_nix_bpf_connect(nix,
+                                                       lvl_flag,
+                                                       base_mtr->bpf_id,
+                                                       next_mtr->bpf_id);
+                                               if (rc)
+                                                       return rc;
+                                       }
+                               }
+                               cur_mtr_id = base_mtr->next_id;
+                       }
+               }
+       }
+       return 0;
+}
+
+int
+nix_mtr_configure(struct rte_eth_dev *eth_dev, uint32_t id)
+{
+       struct cnxk_meter_node *mtr[ROC_NIX_BPF_LEVEL_MAX] = {0};
+       struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+       struct roc_nix_bpf_objs profs[ROC_NIX_BPF_LEVEL_MAX];
+       uint8_t idx0 = ROC_NIX_BPF_LEVEL_IDX_INVALID;
+       uint8_t idx1 = ROC_NIX_BPF_LEVEL_IDX_INVALID;
+       uint8_t idx2 = ROC_NIX_BPF_LEVEL_IDX_INVALID;
+       uint16_t per_lvl_cnt[ROC_NIX_BPF_LEVEL_MAX];
+       int num_mtr[ROC_NIX_BPF_LEVEL_MAX] = {0};
+       struct roc_nix *nix = &dev->nix;
+       struct roc_nix_bpf_precolor tbl;
+       struct roc_nix_bpf_cfg cfg;
+       struct roc_nix_rq *rq;
+       uint8_t lvl_mask;
+       uint32_t i;
+       uint32_t j;
+       int rc;
+
+       mtr[0] = nix_mtr_find(dev, id);
+       if (mtr[0] == NULL)
+               return -EINVAL;
+
+       num_mtr[0] = 1;
+       idx0 = roc_nix_bpf_level_to_idx(lvl_map[mtr[0]->level]);
+       if (idx0 == ROC_NIX_BPF_LEVEL_IDX_INVALID)
+               return -EINVAL;
+
+       lvl_mask = ROC_NIX_BPF_LEVEL_F_LEAF;
+       if (mtr[0]->is_used)
+               per_lvl_cnt[idx0] = 0;
+       else
+               per_lvl_cnt[idx0] = 1;
+
+       if (mtr[0]->is_next) {
+               mtr[1] = nix_mtr_find(dev, mtr[0]->next_id);
+               if (mtr[1] == NULL)
+                       return -EINVAL;
+               num_mtr[1] = 1;
+               idx1 = roc_nix_bpf_level_to_idx(lvl_map[mtr[1]->level]);
+               if (idx1 == ROC_NIX_BPF_LEVEL_IDX_INVALID)
+                       return -EINVAL;
+
+               lvl_mask |= ROC_NIX_BPF_LEVEL_F_MID;
+               if (mtr[1]->is_used)
+                       per_lvl_cnt[idx1] = 0;
+               else
+                       per_lvl_cnt[idx1] = 1;
+       }
+
+       if (mtr[1] && mtr[1]->is_next) {
+               mtr[2] = nix_mtr_find(dev, mtr[1]->next_id);
+               if (mtr[2] == NULL)
+                       return -EINVAL;
+
+               num_mtr[2] = 1;
+               idx2 = roc_nix_bpf_level_to_idx(lvl_map[mtr[2]->level]);
+               if (idx2 == ROC_NIX_BPF_LEVEL_IDX_INVALID)
+                       return -EINVAL;
+
+               lvl_mask |= ROC_NIX_BPF_LEVEL_F_TOP;
+               if (mtr[2]->is_used)
+                       per_lvl_cnt[idx2] = 0;
+               else
+                       per_lvl_cnt[idx2] = 1;
+       }
+
+       rc = roc_nix_bpf_alloc(nix, lvl_mask, per_lvl_cnt, profs);
+       if (rc)
+               return rc;
+       if (mtr[0]->bpf_id == ROC_NIX_BPF_ID_INVALID)
+               mtr[0]->bpf_id = profs[idx0].ids[0];
+
+       if (num_mtr[0])
+               if (mtr[0]->is_next && idx1 != ROC_NIX_BPF_LEVEL_IDX_INVALID)
+                       if (mtr[1]->bpf_id == ROC_NIX_BPF_ID_INVALID)
+                               mtr[1]->bpf_id = profs[idx1].ids[0];
+
+       if (num_mtr[1])
+               if (mtr[1]->is_next && idx2 != ROC_NIX_BPF_LEVEL_IDX_INVALID)
+                       if (mtr[2]->bpf_id == ROC_NIX_BPF_ID_INVALID)
+                               mtr[2]->bpf_id = profs[idx2].ids[0];
+
+       for (i = 0; i < ROC_NIX_BPF_LEVEL_MAX; i++) {
+               if (num_mtr[i]) {
+                       if (!mtr[i]->is_used) {
+                               memset(&cfg, 0, sizeof(struct roc_nix_bpf_cfg));
+                               nix_mtr_config_map(mtr[i], &cfg);
+                               rc = roc_nix_bpf_config(nix, mtr[i]->bpf_id,
+                                                       lvl_map[mtr[i]->level],
+                                                       &cfg);
+
+                               memset(&tbl, 0,
+                                      sizeof(struct roc_nix_bpf_precolor));
+                               nix_dscp_table_map(mtr[i], &tbl);
+                               rc = roc_nix_bpf_pre_color_tbl_setup(nix,
+                                       mtr[i]->bpf_id, lvl_map[mtr[i]->level],
+                                       &tbl);
+
+                               if (mtr[i]->params.meter_enable) {
+                                       for (j = 0; j < mtr[i]->rq_num; j++) {
+                                               rq = &dev->rqs[mtr[i]->rq_id
+                                                                      [j]];
+                                               rc = roc_nix_bpf_ena_dis(nix,
+                                                       mtr[i]->bpf_id, rq,
+                                                       true);
+                                       }
+                               }
+                       }
+               }
+       }
+
+       return rc;
+}
+
+int
+nix_mtr_color_action_validate(struct rte_eth_dev *eth_dev, uint32_t id,
+                             uint32_t *prev_id, uint32_t *next_id,
+                             struct cnxk_mtr_policy_node *policy,
+                             int *tree_level)
+{
+       uint32_t action_fate_red = policy->actions[RTE_COLOR_RED].action_fate;
+       uint32_t action_fate_green =
+               policy->actions[RTE_COLOR_GREEN].action_fate;
+       uint32_t action_fate_yellow =
+               policy->actions[RTE_COLOR_YELLOW].action_fate;
+       uint32_t cur_mtr_id = *next_id;
+       uint32_t next_mtr_id = 0xffff;
+       uint32_t prev_mtr_id = 0xffff;
+       struct cnxk_meter_node *mtr;
+
+       if (action_fate_green == RTE_FLOW_ACTION_TYPE_METER)
+               next_mtr_id = policy->actions[RTE_COLOR_GREEN].mtr_id;
+
+       if (action_fate_yellow == RTE_FLOW_ACTION_TYPE_METER)
+               next_mtr_id = policy->actions[RTE_COLOR_YELLOW].mtr_id;
+
+       if (action_fate_red == RTE_FLOW_ACTION_TYPE_METER)
+               next_mtr_id = policy->actions[RTE_COLOR_RED].mtr_id;
+
+       if (next_mtr_id != 0xffff) {
+               switch (*tree_level) {
+               case 0:
+                       mtr = nix_get_mtr(eth_dev, cur_mtr_id);
+                       if (mtr->level == ROC_NIX_BPF_LEVEL_IDX_INVALID) {
+                               nix_mtr_level_update(eth_dev, cur_mtr_id, 0);
+                               nix_mtr_chain_update(eth_dev, cur_mtr_id, -1,
+                                                    next_mtr_id);
+                       } else {
+                               if (mtr->level == 0)
+                                       mtr->is_used = true;
+                               else
+                                       return -EINVAL;
+                       }
+                       (*tree_level)++;
+                       *next_id = next_mtr_id;
+                       break;
+               case 1:
+                       mtr = nix_get_mtr(eth_dev, cur_mtr_id);
+                       if (mtr->level == ROC_NIX_BPF_LEVEL_IDX_INVALID) {
+                               nix_mtr_level_update(eth_dev, cur_mtr_id, 1);
+                               prev_mtr_id = id;
+                               nix_mtr_chain_update(eth_dev, cur_mtr_id,
+                                                    prev_mtr_id, next_mtr_id);
+                       } else {
+                               if (mtr->level == 1) {
+                                       mtr->prev_cnt++;
+                                       prev_mtr_id = id;
+                                       nix_mtr_chain_update(eth_dev,
+                                               cur_mtr_id, prev_mtr_id,
+                                               next_mtr_id);
+
+                                       mtr->is_used = true;
+                               } else {
+                                       return -EINVAL;
+                               }
+                       }
+                       (*tree_level)++;
+                       *next_id = next_mtr_id;
+                       *prev_id = cur_mtr_id;
+                       break;
+               case 2:
+                       nix_mtr_chain_reset(eth_dev, id);
+                       return -EINVAL;
+               }
+       } else {
+               switch (*tree_level) {
+               case 0:
+                       mtr = nix_get_mtr(eth_dev, cur_mtr_id);
+                       if (mtr->level == ROC_NIX_BPF_LEVEL_IDX_INVALID) {
+                               nix_mtr_level_update(eth_dev, cur_mtr_id, 0);
+                       } else {
+                               if (mtr->level == 0)
+                                       mtr->is_used = true;
+                               else
+                                       return -EINVAL;
+                       }
+                       break;
+               case 1:
+                       mtr = nix_get_mtr(eth_dev, cur_mtr_id);
+                       if (mtr->level == ROC_NIX_BPF_LEVEL_IDX_INVALID) {
+                               nix_mtr_level_update(eth_dev, cur_mtr_id, 1);
+                               prev_mtr_id = id;
+                               nix_mtr_chain_update(eth_dev, cur_mtr_id,
+                                                    prev_mtr_id, -1);
+                       } else {
+                               if (mtr->level == 1) {
+                                       mtr->prev_cnt++;
+                                       prev_mtr_id = id;
+                                       nix_mtr_chain_update(eth_dev,
+                                                            cur_mtr_id,
+                                                            prev_mtr_id, -1);
+                                       mtr->is_used = true;
+                               } else {
+                                       return -EINVAL;
+                               }
+                       }
+                       break;
+               case 2:
+                       mtr = nix_get_mtr(eth_dev, cur_mtr_id);
+                       if (mtr->level == ROC_NIX_BPF_LEVEL_IDX_INVALID) {
+                               nix_mtr_level_update(eth_dev, cur_mtr_id, 2);
+                               prev_mtr_id = *prev_id;
+                               nix_mtr_chain_update(eth_dev, cur_mtr_id,
+                                                    prev_mtr_id, -1);
+                       } else {
+                               if (mtr->level == 2) {
+                                       mtr->prev_cnt++;
+                                       prev_mtr_id = *prev_id;
+                                       nix_mtr_chain_update(eth_dev,
+                                                            cur_mtr_id,
+                                                            prev_mtr_id, -1);
+                                       mtr->is_used = true;
+                               } else {
+                                       return -EINVAL;
+                               }
+                       }
+                       break;
+               }
+               *next_id = 0xffff;
+       }
+
+       return 0;
+}
+
+int
+nix_mtr_capabilities_init(struct rte_eth_dev *eth_dev)
+{
+       struct rte_mtr_capabilities capa;
+       struct rte_mtr_error error;
+
+       return cnxk_nix_mtr_capabilities_get(eth_dev, &capa, &error);
+}