From 05a944fea351e772f75b6128f0494f1ce6b8b2d9 Mon Sep 17 00:00:00 2001 From: Sunil Kumar Kori Date: Tue, 12 Oct 2021 12:35:47 +0530 Subject: [PATCH] common/cnxk: support to get profile count Implement interface to get available profile count for given NIXLF. Signed-off-by: Sunil Kumar Kori Acked-by: Jerin Jacob --- 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; -- 2.20.1