From: Sunil Kumar Kori <sk...@marvell.com>

Implement interface to get available profile count for given
nixlf.

Signed-off-by: Sunil Kumar Kori <sk...@marvell.com>
---
v5:
 - Fix checkpatch errors
 - Fix patch apply errors

v4:
 - Rebase support on dpdk-next-net-mrvl branch
 - Handled meter action during flow destroy
 - Handled meter cleanup during port shutdown
 
v3:
 - Rebase support on latest DPDK
 - Handled multilevel chaining for tree hierarchy
 - Fix naming convention

v2:
 - Rebase support on latest DPDK
 - Handled multilevel chaining for linear hierarchy
 - Review comments incorporated

 drivers/common/cnxk/roc_nix.h     |  5 ++++
 drivers/common/cnxk/roc_nix_bpf.c | 46 +++++++++++++++++++++++++++++++
 drivers/common/cnxk/version.map   |  1 +
 3 files changed, 52 insertions(+)

diff --git a/drivers/common/cnxk/roc_nix.h b/drivers/common/cnxk/roc_nix.h
index bf4fd2f208..4fef6d44e7 100644
--- a/drivers/common/cnxk/roc_nix.h
+++ b/drivers/common/cnxk/roc_nix.h
@@ -7,6 +7,7 @@
 
 /* Constants */
 #define ROC_NIX_BPF_LEVEL_IDX_INVALID 0xFF
+#define ROC_NIX_BPF_LEVEL_MAX        3
 
 enum roc_nix_rss_reta_sz {
        ROC_NIX_RSS_RETA_SZ_64 = 64,
@@ -517,6 +518,10 @@ bool __roc_api roc_nix_tm_is_user_hierarchy_enabled(struct 
roc_nix *nix);
 int __roc_api roc_nix_tm_tree_type_get(struct roc_nix *nix);
 
 /* Ingress Policer API */
+int __roc_api
+roc_nix_bpf_count_get(struct roc_nix *roc_nix, uint8_t lvl_mask,
+                     uint16_t count[ROC_NIX_BPF_LEVEL_MAX] /* Out */);
+
 uint8_t __roc_api
 roc_nix_bpf_level_to_idx(enum roc_nix_bpf_level_flag lvl_flag);
 
diff --git a/drivers/common/cnxk/roc_nix_bpf.c 
b/drivers/common/cnxk/roc_nix_bpf.c
index b588cc16e4..af9dffa90c 100644
--- a/drivers/common/cnxk/roc_nix_bpf.c
+++ b/drivers/common/cnxk/roc_nix_bpf.c
@@ -5,6 +5,14 @@
 #include "roc_api.h"
 #include "roc_priv.h"
 
+#define NIX_MAX_BPF_COUNT_LEAF_LAYER 64
+#define NIX_MAX_BPF_COUNT_MID_LAYER  8
+#define NIX_MAX_BPF_COUNT_TOP_LAYER  1
+
+#define NIX_BPF_LEVEL_F_MASK                                                   
\
+       (ROC_NIX_BPF_LEVEL_F_LEAF | ROC_NIX_BPF_LEVEL_F_MID |                  \
+        ROC_NIX_BPF_LEVEL_F_TOP)
+
 uint8_t
 roc_nix_bpf_level_to_idx(enum roc_nix_bpf_level_flag level_f)
 {
@@ -20,3 +28,41 @@ roc_nix_bpf_level_to_idx(enum roc_nix_bpf_level_flag level_f)
                idx = ROC_NIX_BPF_LEVEL_IDX_INVALID;
        return idx;
 }
+
+int
+roc_nix_bpf_count_get(struct roc_nix *roc_nix, uint8_t lvl_mask,
+                     uint16_t count[ROC_NIX_BPF_LEVEL_MAX])
+{
+       uint8_t mask = lvl_mask & NIX_BPF_LEVEL_F_MASK;
+       uint8_t leaf_idx, mid_idx, top_idx;
+
+       PLT_SET_USED(roc_nix);
+
+       if (roc_model_is_cn9k())
+               return NIX_ERR_HW_NOTSUP;
+
+       if (!mask)
+               return NIX_ERR_PARAM;
+
+       /* Currently No MBOX interface is available to get number
+        * of bandwidth profiles. So numbers per level are hard coded,
+        * considering 3 RPM blocks and each block has 4 LMAC's.
+        * So total 12 physical interfaces are in system. Each interface
+        * supports following bandwidth profiles.
+        */
+
+       leaf_idx = roc_nix_bpf_level_to_idx(mask & ROC_NIX_BPF_LEVEL_F_LEAF);
+       mid_idx = roc_nix_bpf_level_to_idx(mask & ROC_NIX_BPF_LEVEL_F_MID);
+       top_idx = roc_nix_bpf_level_to_idx(mask & ROC_NIX_BPF_LEVEL_F_TOP);
+
+       if (leaf_idx != ROC_NIX_BPF_LEVEL_IDX_INVALID)
+               count[leaf_idx] = NIX_MAX_BPF_COUNT_LEAF_LAYER;
+
+       if (mid_idx != ROC_NIX_BPF_LEVEL_IDX_INVALID)
+               count[mid_idx] = NIX_MAX_BPF_COUNT_MID_LAYER;
+
+       if (top_idx != ROC_NIX_BPF_LEVEL_IDX_INVALID)
+               count[top_idx] = NIX_MAX_BPF_COUNT_TOP_LAYER;
+
+       return 0;
+}
diff --git a/drivers/common/cnxk/version.map b/drivers/common/cnxk/version.map
index c84c229938..6990c1f084 100644
--- a/drivers/common/cnxk/version.map
+++ b/drivers/common/cnxk/version.map
@@ -82,6 +82,7 @@ INTERNAL {
        roc_model;
        roc_se_auth_key_set;
        roc_se_ciph_key_set;
+       roc_nix_bpf_count_get;
        roc_nix_bpf_level_to_idx;
        roc_nix_cq_dump;
        roc_nix_cq_fini;
-- 
2.25.1

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