From 7a63d75ecb9606b37d276208143392eb196720a3 Mon Sep 17 00:00:00 2001 From: Sunil Kumar Kori Date: Tue, 12 Oct 2021 12:35:48 +0530 Subject: [PATCH] common/cnxk: support bandwidth profiles allocation Implement RoC API to allocate HW resources i.e. bandwidth profiles for policer processing on CN10K platform. Signed-off-by: Sunil Kumar Kori Acked-by: Jerin Jacob --- drivers/common/cnxk/roc_nix.h | 11 ++++ drivers/common/cnxk/roc_nix_bpf.c | 104 ++++++++++++++++++++++++++++++ drivers/common/cnxk/version.map | 1 + 3 files changed, 116 insertions(+) diff --git a/drivers/common/cnxk/roc_nix.h b/drivers/common/cnxk/roc_nix.h index 4fef6d44e7..b192a2b217 100644 --- a/drivers/common/cnxk/roc_nix.h +++ b/drivers/common/cnxk/roc_nix.h @@ -6,6 +6,7 @@ #define _ROC_NIX_H_ /* Constants */ +#define ROC_NIX_BPF_PER_PFFUNC 64 #define ROC_NIX_BPF_LEVEL_IDX_INVALID 0xFF #define ROC_NIX_BPF_LEVEL_MAX 3 @@ -38,6 +39,12 @@ enum roc_nix_bpf_level_flag { ROC_NIX_BPF_LEVEL_F_TOP = BIT(2), }; +struct roc_nix_bpf_objs { + uint16_t level; + uint16_t count; + uint16_t ids[ROC_NIX_BPF_PER_PFFUNC]; +}; + struct roc_nix_vlan_config { uint32_t type; union { @@ -522,6 +529,10 @@ 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 */); +int __roc_api roc_nix_bpf_alloc(struct roc_nix *roc_nix, uint8_t lvl_mask, + uint16_t per_lvl_cnt[ROC_NIX_BPF_LEVEL_MAX], + struct roc_nix_bpf_objs *profs /* 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 af9dffa90c..06394bda07 100644 --- a/drivers/common/cnxk/roc_nix_bpf.c +++ b/drivers/common/cnxk/roc_nix_bpf.c @@ -13,6 +13,19 @@ (ROC_NIX_BPF_LEVEL_F_LEAF | ROC_NIX_BPF_LEVEL_F_MID | \ ROC_NIX_BPF_LEVEL_F_TOP) +static uint8_t sw_to_hw_lvl_map[] = {NIX_RX_BAND_PROF_LAYER_LEAF, + NIX_RX_BAND_PROF_LAYER_MIDDLE, + NIX_RX_BAND_PROF_LAYER_TOP}; + +static inline struct mbox * +get_mbox(struct roc_nix *roc_nix) +{ + struct nix *nix = roc_nix_to_nix_priv(roc_nix); + struct dev *dev = &nix->dev; + + return dev->mbox; +} + uint8_t roc_nix_bpf_level_to_idx(enum roc_nix_bpf_level_flag level_f) { @@ -66,3 +79,94 @@ roc_nix_bpf_count_get(struct roc_nix *roc_nix, uint8_t lvl_mask, return 0; } + +int +roc_nix_bpf_alloc(struct roc_nix *roc_nix, uint8_t lvl_mask, + uint16_t per_lvl_cnt[ROC_NIX_BPF_LEVEL_MAX], + struct roc_nix_bpf_objs *profs) +{ + uint8_t mask = lvl_mask & NIX_BPF_LEVEL_F_MASK; + struct mbox *mbox = get_mbox(roc_nix); + struct nix_bandprof_alloc_req *req; + struct nix_bandprof_alloc_rsp *rsp; + uint8_t leaf_idx, mid_idx, top_idx; + int rc = -ENOSPC, i; + + if (roc_model_is_cn9k()) + return NIX_ERR_HW_NOTSUP; + + if (!mask) + return NIX_ERR_PARAM; + + 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) && + (per_lvl_cnt[leaf_idx] > NIX_MAX_BPF_COUNT_LEAF_LAYER)) + return NIX_ERR_INVALID_RANGE; + + if ((mid_idx != ROC_NIX_BPF_LEVEL_IDX_INVALID) && + (per_lvl_cnt[mid_idx] > NIX_MAX_BPF_COUNT_MID_LAYER)) + return NIX_ERR_INVALID_RANGE; + + if ((top_idx != ROC_NIX_BPF_LEVEL_IDX_INVALID) && + (per_lvl_cnt[top_idx] > NIX_MAX_BPF_COUNT_TOP_LAYER)) + return NIX_ERR_INVALID_RANGE; + + req = mbox_alloc_msg_nix_bandprof_alloc(mbox); + if (req == NULL) + goto exit; + + if (leaf_idx != ROC_NIX_BPF_LEVEL_IDX_INVALID) { + req->prof_count[sw_to_hw_lvl_map[leaf_idx]] = + per_lvl_cnt[leaf_idx]; + } + + if (mid_idx != ROC_NIX_BPF_LEVEL_IDX_INVALID) { + req->prof_count[sw_to_hw_lvl_map[mid_idx]] = + per_lvl_cnt[mid_idx]; + } + + if (top_idx != ROC_NIX_BPF_LEVEL_IDX_INVALID) { + req->prof_count[sw_to_hw_lvl_map[top_idx]] = + per_lvl_cnt[top_idx]; + } + + rc = mbox_process_msg(mbox, (void *)&rsp); + if (rc) + goto exit; + + if (leaf_idx != ROC_NIX_BPF_LEVEL_IDX_INVALID) { + profs[leaf_idx].level = leaf_idx; + profs[leaf_idx].count = + rsp->prof_count[sw_to_hw_lvl_map[leaf_idx]]; + for (i = 0; i < profs[leaf_idx].count; i++) { + profs[leaf_idx].ids[i] = + rsp->prof_idx[sw_to_hw_lvl_map[leaf_idx]][i]; + } + } + + if (mid_idx != ROC_NIX_BPF_LEVEL_IDX_INVALID) { + profs[mid_idx].level = mid_idx; + profs[mid_idx].count = + rsp->prof_count[sw_to_hw_lvl_map[mid_idx]]; + for (i = 0; i < profs[mid_idx].count; i++) { + profs[mid_idx].ids[i] = + rsp->prof_idx[sw_to_hw_lvl_map[mid_idx]][i]; + } + } + + if (top_idx != ROC_NIX_BPF_LEVEL_IDX_INVALID) { + profs[top_idx].level = top_idx; + profs[top_idx].count = + rsp->prof_count[sw_to_hw_lvl_map[top_idx]]; + for (i = 0; i < profs[top_idx].count; i++) { + profs[top_idx].ids[i] = + rsp->prof_idx[sw_to_hw_lvl_map[top_idx]][i]; + } + } + +exit: + return rc; +} diff --git a/drivers/common/cnxk/version.map b/drivers/common/cnxk/version.map index 6990c1f084..b8863a1155 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_alloc; roc_nix_bpf_count_get; roc_nix_bpf_level_to_idx; roc_nix_cq_dump; -- 2.20.1