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common/cnxk: support bandwidth profiles allocation

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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>
Acked-by: Jerin Jacob <jerinj@marvell.com>
This commit is contained in:
Sunil Kumar Kori 2021-10-12 12:35:48 +05:30 committed by Jerin Jacob
parent 05a944fea3
commit 7a63d75ecb
3 changed files with 116 additions and 0 deletions
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11
drivers/common/cnxk/roc_nix.h
View File

@ -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);

104
drivers/common/cnxk/roc_nix_bpf.c
View File

@ -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;
}

1
drivers/common/cnxk/version.map
View File

@ -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;