From: Sunil Kumar Kori <skori@marvell.com>
Implement RoC API to allocate HW resources i.e. bandwidth
profiles for policer processing on CN10K platform.
Signed-off-by: Sunil Kumar Kori <skori@marvell.com>
---
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(+)
@@ -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 {
@@ -478,6 +485,10 @@ 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);
@@ -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;
+}
@@ -74,6 +74,7 @@ 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;