common/cnxk: support to get profile count

Implement interface to get available profile count for given
NIXLF.

Signed-off-by: Sunil Kumar Kori <skori@marvell.com>
Acked-by: Jerin Jacob <jerinj@marvell.com>

diff --git a/drivers/common/cnxk/roc_nix.h b/drivers/common/cnxk/roc_nix.h
index bf4fd2f..4fef6d4 100644 (file)
--- 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 b588cc1..af9dffa 100644 (file)
--- 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 c84c229..6990c1f 100644 (file)
--- 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;