net/bnxt: support port representor data path
[dpdk.git] / drivers / net / octeontx2 / otx2_tm.c
index 33f912e..8ed0595 100644 (file)
@@ -237,6 +237,30 @@ shaper_config_to_nix(struct otx2_nix_tm_shaper_profile *profile,
                                                 &pir->burst_mantissa);
 }
 
+static void
+shaper_default_red_algo(struct otx2_eth_dev *dev,
+                       struct otx2_nix_tm_node *tm_node,
+                       struct otx2_nix_tm_shaper_profile *profile)
+{
+       struct shaper_params cir, pir;
+
+       /* C0 doesn't support STALL when both PIR & CIR are enabled */
+       if (profile && otx2_dev_is_96xx_Cx(dev)) {
+               memset(&cir, 0, sizeof(cir));
+               memset(&pir, 0, sizeof(pir));
+               shaper_config_to_nix(profile, &cir, &pir);
+
+               if (pir.rate && cir.rate) {
+                       tm_node->red_algo = NIX_REDALG_DISCARD;
+                       tm_node->flags |= NIX_TM_NODE_RED_DISCARD;
+                       return;
+               }
+       }
+
+       tm_node->red_algo = NIX_REDALG_STD;
+       tm_node->flags &= ~NIX_TM_NODE_RED_DISCARD;
+}
+
 static int
 populate_tm_tl1_default(struct otx2_eth_dev *dev, uint32_t schq)
 {
@@ -531,10 +555,13 @@ populate_tm_reg(struct otx2_eth_dev *dev,
        switch (hw_lvl) {
        case NIX_TXSCH_LVL_SMQ:
 
-               /* Set xoff which will be cleared later */
+               /* Set xoff which will be cleared later and minimum length
+                * which will be used for zero padding if packet length is
+                * smaller
+                */
                reg[k] = NIX_AF_SMQX_CFG(schq);
-               regval[k] = BIT_ULL(50);
-               regval_mask[k] = ~BIT_ULL(50);
+               regval[k] = BIT_ULL(50) | NIX_MIN_HW_FRS;
+               regval_mask[k] = ~(BIT_ULL(50) | 0x7f);
                k++;
 
                /* Parent and schedule conf */
@@ -744,7 +771,6 @@ nix_tm_node_add_to_list(struct otx2_eth_dev *dev, uint32_t node_id,
 {
        struct otx2_nix_tm_shaper_profile *profile;
        struct otx2_nix_tm_node *tm_node, *parent_node;
-       struct shaper_params cir, pir;
        uint32_t profile_id;
 
        profile_id = params->shaper_profile_id;
@@ -778,19 +804,9 @@ nix_tm_node_add_to_list(struct otx2_eth_dev *dev, uint32_t node_id,
        if (profile)
                profile->reference_count++;
 
-       memset(&cir, 0, sizeof(cir));
-       memset(&pir, 0, sizeof(pir));
-       shaper_config_to_nix(profile, &cir, &pir);
-
        tm_node->parent = parent_node;
        tm_node->parent_hw_id = UINT32_MAX;
-       /* C0 doesn't support STALL when both PIR & CIR are enabled */
-       if (lvl < OTX2_TM_LVL_QUEUE &&
-           otx2_dev_is_96xx_Cx(dev) &&
-           pir.rate && cir.rate)
-               tm_node->red_algo = NIX_REDALG_DISCARD;
-       else
-               tm_node->red_algo = NIX_REDALG_STD;
+       shaper_default_red_algo(dev, tm_node, profile);
 
        TAILQ_INSERT_TAIL(&dev->node_list, tm_node, node);
 
@@ -1834,7 +1850,217 @@ otx2_nix_tm_node_type_get(struct rte_eth_dev *eth_dev, uint32_t node_id,
                *is_leaf = true;
        else
                *is_leaf = false;
+       return 0;
+}
+
+static int
+otx2_nix_tm_capa_get(struct rte_eth_dev *eth_dev,
+                    struct rte_tm_capabilities *cap,
+                    struct rte_tm_error *error)
+{
+       struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
+       struct otx2_mbox *mbox = dev->mbox;
+       int rc, max_nr_nodes = 0, i;
+       struct free_rsrcs_rsp *rsp;
+
+       memset(cap, 0, sizeof(*cap));
+
+       otx2_mbox_alloc_msg_free_rsrc_cnt(mbox);
+       rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
+       if (rc) {
+               error->type = RTE_TM_ERROR_TYPE_UNSPECIFIED;
+               error->message = "unexpected fatal error";
+               return rc;
+       }
+
+       for (i = 0; i < NIX_TXSCH_LVL_TL1; i++)
+               max_nr_nodes += rsp->schq[i];
+
+       cap->n_nodes_max = max_nr_nodes + dev->tm_leaf_cnt;
+       /* TL1 level is reserved for PF */
+       cap->n_levels_max = nix_tm_have_tl1_access(dev) ?
+                               OTX2_TM_LVL_MAX : OTX2_TM_LVL_MAX - 1;
+       cap->non_leaf_nodes_identical = 1;
+       cap->leaf_nodes_identical = 1;
+
+       /* Shaper Capabilities */
+       cap->shaper_private_n_max = max_nr_nodes;
+       cap->shaper_n_max = max_nr_nodes;
+       cap->shaper_private_dual_rate_n_max = max_nr_nodes;
+       cap->shaper_private_rate_min = MIN_SHAPER_RATE / 8;
+       cap->shaper_private_rate_max = MAX_SHAPER_RATE / 8;
+       cap->shaper_pkt_length_adjust_min = 0;
+       cap->shaper_pkt_length_adjust_max = 0;
+
+       /* Schedule Capabilities */
+       cap->sched_n_children_max = rsp->schq[NIX_TXSCH_LVL_MDQ];
+       cap->sched_sp_n_priorities_max = TXSCH_TLX_SP_PRIO_MAX;
+       cap->sched_wfq_n_children_per_group_max = cap->sched_n_children_max;
+       cap->sched_wfq_n_groups_max = 1;
+       cap->sched_wfq_weight_max = MAX_SCHED_WEIGHT;
+
+       cap->dynamic_update_mask =
+               RTE_TM_UPDATE_NODE_PARENT_KEEP_LEVEL |
+               RTE_TM_UPDATE_NODE_SUSPEND_RESUME;
+       cap->stats_mask =
+               RTE_TM_STATS_N_PKTS |
+               RTE_TM_STATS_N_BYTES |
+               RTE_TM_STATS_N_PKTS_RED_DROPPED |
+               RTE_TM_STATS_N_BYTES_RED_DROPPED;
+
+       for (i = 0; i < RTE_COLORS; i++) {
+               cap->mark_vlan_dei_supported[i] = false;
+               cap->mark_ip_ecn_tcp_supported[i] = false;
+               cap->mark_ip_dscp_supported[i] = false;
+       }
+
+       return 0;
+}
+
+static int
+otx2_nix_tm_level_capa_get(struct rte_eth_dev *eth_dev, uint32_t lvl,
+                                  struct rte_tm_level_capabilities *cap,
+                                  struct rte_tm_error *error)
+{
+       struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
+       struct otx2_mbox *mbox = dev->mbox;
+       struct free_rsrcs_rsp *rsp;
+       uint16_t hw_lvl;
+       int rc;
+
+       memset(cap, 0, sizeof(*cap));
+
+       otx2_mbox_alloc_msg_free_rsrc_cnt(mbox);
+       rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
+       if (rc) {
+               error->type = RTE_TM_ERROR_TYPE_UNSPECIFIED;
+               error->message = "unexpected fatal error";
+               return rc;
+       }
+
+       hw_lvl = nix_tm_lvl2nix(dev, lvl);
 
+       if (nix_tm_is_leaf(dev, lvl)) {
+               /* Leaf */
+               cap->n_nodes_max = dev->tm_leaf_cnt;
+               cap->n_nodes_leaf_max = dev->tm_leaf_cnt;
+               cap->leaf_nodes_identical = 1;
+               cap->leaf.stats_mask =
+                       RTE_TM_STATS_N_PKTS |
+                       RTE_TM_STATS_N_BYTES;
+
+       } else if (lvl == OTX2_TM_LVL_ROOT) {
+               /* Root node, aka TL2(vf)/TL1(pf) */
+               cap->n_nodes_max = 1;
+               cap->n_nodes_nonleaf_max = 1;
+               cap->non_leaf_nodes_identical = 1;
+
+               cap->nonleaf.shaper_private_supported = true;
+               cap->nonleaf.shaper_private_dual_rate_supported =
+                       nix_tm_have_tl1_access(dev) ? false : true;
+               cap->nonleaf.shaper_private_rate_min = MIN_SHAPER_RATE / 8;
+               cap->nonleaf.shaper_private_rate_max = MAX_SHAPER_RATE / 8;
+
+               cap->nonleaf.sched_n_children_max = rsp->schq[hw_lvl - 1];
+               cap->nonleaf.sched_sp_n_priorities_max =
+                                       nix_max_prio(dev, hw_lvl) + 1;
+               cap->nonleaf.sched_wfq_n_groups_max = 1;
+               cap->nonleaf.sched_wfq_weight_max = MAX_SCHED_WEIGHT;
+
+               if (nix_tm_have_tl1_access(dev))
+                       cap->nonleaf.stats_mask =
+                               RTE_TM_STATS_N_PKTS_RED_DROPPED |
+                               RTE_TM_STATS_N_BYTES_RED_DROPPED;
+       } else if ((lvl < OTX2_TM_LVL_MAX) &&
+                  (hw_lvl < NIX_TXSCH_LVL_CNT)) {
+               /* TL2, TL3, TL4, MDQ */
+               cap->n_nodes_max = rsp->schq[hw_lvl];
+               cap->n_nodes_nonleaf_max = cap->n_nodes_max;
+               cap->non_leaf_nodes_identical = 1;
+
+               cap->nonleaf.shaper_private_supported = true;
+               cap->nonleaf.shaper_private_dual_rate_supported = true;
+               cap->nonleaf.shaper_private_rate_min = MIN_SHAPER_RATE / 8;
+               cap->nonleaf.shaper_private_rate_max = MAX_SHAPER_RATE / 8;
+
+               /* MDQ doesn't support Strict Priority */
+               if (hw_lvl == NIX_TXSCH_LVL_MDQ)
+                       cap->nonleaf.sched_n_children_max = dev->tm_leaf_cnt;
+               else
+                       cap->nonleaf.sched_n_children_max =
+                               rsp->schq[hw_lvl - 1];
+               cap->nonleaf.sched_sp_n_priorities_max =
+                       nix_max_prio(dev, hw_lvl) + 1;
+               cap->nonleaf.sched_wfq_n_groups_max = 1;
+               cap->nonleaf.sched_wfq_weight_max = MAX_SCHED_WEIGHT;
+       } else {
+               /* unsupported level */
+               error->type = RTE_TM_ERROR_TYPE_UNSPECIFIED;
+               return rc;
+       }
+       return 0;
+}
+
+static int
+otx2_nix_tm_node_capa_get(struct rte_eth_dev *eth_dev, uint32_t node_id,
+                         struct rte_tm_node_capabilities *cap,
+                         struct rte_tm_error *error)
+{
+       struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
+       struct otx2_mbox *mbox = dev->mbox;
+       struct otx2_nix_tm_node *tm_node;
+       struct free_rsrcs_rsp *rsp;
+       int rc, hw_lvl, lvl;
+
+       memset(cap, 0, sizeof(*cap));
+
+       tm_node = nix_tm_node_search(dev, node_id, true);
+       if (!tm_node) {
+               error->type = RTE_TM_ERROR_TYPE_NODE_ID;
+               error->message = "no such node";
+               return -EINVAL;
+       }
+
+       hw_lvl = tm_node->hw_lvl;
+       lvl = tm_node->lvl;
+
+       /* Leaf node */
+       if (nix_tm_is_leaf(dev, lvl)) {
+               cap->stats_mask = RTE_TM_STATS_N_PKTS |
+                                       RTE_TM_STATS_N_BYTES;
+               return 0;
+       }
+
+       otx2_mbox_alloc_msg_free_rsrc_cnt(mbox);
+       rc = otx2_mbox_process_msg(mbox, (void *)&rsp);
+       if (rc) {
+               error->type = RTE_TM_ERROR_TYPE_UNSPECIFIED;
+               error->message = "unexpected fatal error";
+               return rc;
+       }
+
+       /* Non Leaf Shaper */
+       cap->shaper_private_supported = true;
+       cap->shaper_private_dual_rate_supported =
+               (hw_lvl == NIX_TXSCH_LVL_TL1) ? false : true;
+       cap->shaper_private_rate_min = MIN_SHAPER_RATE / 8;
+       cap->shaper_private_rate_max = MAX_SHAPER_RATE / 8;
+
+       /* Non Leaf Scheduler */
+       if (hw_lvl == NIX_TXSCH_LVL_MDQ)
+               cap->nonleaf.sched_n_children_max = dev->tm_leaf_cnt;
+       else
+               cap->nonleaf.sched_n_children_max = rsp->schq[hw_lvl - 1];
+
+       cap->nonleaf.sched_sp_n_priorities_max = nix_max_prio(dev, hw_lvl) + 1;
+       cap->nonleaf.sched_wfq_n_children_per_group_max =
+               cap->nonleaf.sched_n_children_max;
+       cap->nonleaf.sched_wfq_n_groups_max = 1;
+       cap->nonleaf.sched_wfq_weight_max = MAX_SCHED_WEIGHT;
+
+       if (hw_lvl == NIX_TXSCH_LVL_TL1)
+               cap->stats_mask = RTE_TM_STATS_N_PKTS_RED_DROPPED |
+                       RTE_TM_STATS_N_BYTES_RED_DROPPED;
        return 0;
 }
 
@@ -2290,6 +2516,8 @@ otx2_nix_tm_node_shaper_update(struct rte_eth_dev *eth_dev,
        if (rc)
                return rc;
 
+       shaper_default_red_algo(dev, tm_node, profile);
+
        /* Update the PIR/CIR and clear SW XOFF */
        req = otx2_mbox_alloc_msg_nix_txschq_cfg(mbox);
        req->lvl = tm_node->hw_lvl;
@@ -2515,6 +2743,10 @@ exit:
 const struct rte_tm_ops otx2_tm_ops = {
        .node_type_get = otx2_nix_tm_node_type_get,
 
+       .capabilities_get = otx2_nix_tm_capa_get,
+       .level_capabilities_get = otx2_nix_tm_level_capa_get,
+       .node_capabilities_get = otx2_nix_tm_node_capa_get,
+
        .shaper_profile_add = otx2_nix_tm_shaper_profile_add,
        .shaper_profile_delete = otx2_nix_tm_shaper_profile_delete,
 
@@ -2910,6 +3142,24 @@ error:
        return -EINVAL;
 }
 
+int
+otx2_nix_tm_ops_get(struct rte_eth_dev *eth_dev, void *arg)
+{
+       struct otx2_eth_dev *dev = otx2_eth_pmd_priv(eth_dev);
+
+       if (!arg)
+               return -EINVAL;
+
+       /* Check for supported revisions */
+       if (otx2_dev_is_95xx_Ax(dev) ||
+           otx2_dev_is_96xx_Ax(dev))
+               return -EINVAL;
+
+       *(const void **)arg = &otx2_tm_ops;
+
+       return 0;
+}
+
 int
 otx2_nix_tm_fini(struct rte_eth_dev *eth_dev)
 {