[dpdk-dev] [PATCH v2 22/27] net/cnxk: support ops to create meter
skori at marvell.com
skori at marvell.com
Mon Sep 27 10:22:18 CEST 2021
From: Sunil Kumar Kori <skori at marvell.com>
Implement API to create meter instance for CN10K platform.
Signed-off-by: Sunil Kumar Kori <skori at marvell.com>
Signed-off-by: Rakesh Kudurumalla <rkudurumalla at marvell.com>
---
v2:
- Rebase support on latest DPDK
- Handled multilevel chaining for linear hierarchy
- Review comments incorporated
drivers/net/cnxk/cn10k_ethdev_mtr.c | 76 +++++++++++++++++++++++++++++
drivers/net/cnxk/cnxk_ethdev.c | 1 +
drivers/net/cnxk/cnxk_ethdev.h | 22 +++++++++
3 files changed, 99 insertions(+)
diff --git a/drivers/net/cnxk/cn10k_ethdev_mtr.c b/drivers/net/cnxk/cn10k_ethdev_mtr.c
index 46f0bdd5fc..9a8459d919 100644
--- a/drivers/net/cnxk/cn10k_ethdev_mtr.c
+++ b/drivers/net/cnxk/cn10k_ethdev_mtr.c
@@ -37,6 +37,18 @@ static struct rte_mtr_capabilities mtr_capa = {
RTE_MTR_STATS_N_BYTES_YELLOW | RTE_MTR_STATS_N_BYTES_RED |
RTE_MTR_STATS_N_BYTES_DROPPED};
+static struct cnxk_meter_node *
+nix_mtr_find(struct cnxk_eth_dev *dev, uint32_t meter_id)
+{
+ struct cnxk_mtr *fms = &dev->mtr;
+ struct cnxk_meter_node *fm;
+
+ TAILQ_FOREACH(fm, fms, next)
+ if (meter_id == fm->id)
+ return fm;
+ return NULL;
+}
+
static struct cnxk_mtr_profile_node *
nix_mtr_profile_find(struct cnxk_eth_dev *dev, uint32_t profile_id)
{
@@ -374,6 +386,69 @@ cn10k_nix_mtr_policy_delete(struct rte_eth_dev *eth_dev, uint32_t policy_id,
return 0;
}
+static int
+cn10k_nix_mtr_create(struct rte_eth_dev *eth_dev, uint32_t mtr_id,
+ struct rte_mtr_params *params, int shared,
+ struct rte_mtr_error *error)
+{
+ struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+ struct cnxk_mtr_profile_node *profile;
+ struct cnxk_mtr_policy_node *policy;
+ struct cnxk_mtr *fm = &dev->mtr;
+ struct cnxk_meter_node *mtr;
+
+ RTE_SET_USED(shared);
+
+ if (params == NULL)
+ return -rte_mtr_error_set(error, ENOENT,
+ RTE_MTR_ERROR_TYPE_MTR_PARAMS, NULL,
+ "Meter params are invalid.");
+
+ profile = nix_mtr_profile_find(dev, params->meter_profile_id);
+ if (profile == NULL)
+ return -rte_mtr_error_set(error, ENOENT,
+ RTE_MTR_ERROR_TYPE_METER_PROFILE_ID,
+ ¶ms->meter_profile_id,
+ "Meter profile is invalid.");
+
+ policy = nix_mtr_policy_find(dev, params->meter_policy_id);
+ if (policy == NULL)
+ return -rte_mtr_error_set(error, ENOENT,
+ RTE_MTR_ERROR_TYPE_METER_POLICY_ID,
+ ¶ms->meter_policy_id,
+ "Meter policy is invalid.");
+
+ mtr = nix_mtr_find(dev, mtr_id);
+ if (mtr == NULL) {
+ mtr = plt_zmalloc(sizeof(struct cnxk_meter_node), ROC_ALIGN);
+ if (mtr == NULL) {
+ return -rte_mtr_error_set(error, ENOMEM,
+ RTE_MTR_ERROR_TYPE_UNSPECIFIED, NULL,
+ "Meter memory alloc failed.");
+ } else {
+ mtr->id = mtr_id;
+ mtr->profile = profile;
+ mtr->policy = policy;
+ mtr->params = *params;
+ mtr->bpf_id = ROC_NIX_BPF_ID_INVALID;
+ mtr->prev_id = ROC_NIX_BPF_ID_INVALID;
+ mtr->next_id = ROC_NIX_BPF_ID_INVALID;
+ mtr->is_prev = false;
+ mtr->is_next = false;
+ mtr->level = ROC_NIX_BPF_LEVEL_IDX_INVALID;
+ }
+ } else {
+ return -rte_mtr_error_set(error, EEXIST,
+ RTE_MTR_ERROR_TYPE_MTR_ID,
+ NULL, "Meter already exist");
+ }
+
+ profile->ref_cnt++;
+ policy->ref_cnt++;
+ TAILQ_INSERT_TAIL(fm, mtr, next);
+ return 0;
+}
+
const struct rte_mtr_ops nix_mtr_ops = {
.capabilities_get = cn10k_nix_mtr_capabilities_get,
.meter_profile_add = cn10k_nix_mtr_profile_add,
@@ -381,6 +456,7 @@ const struct rte_mtr_ops nix_mtr_ops = {
.meter_policy_validate = cn10k_nix_mtr_policy_validate,
.meter_policy_add = cn10k_nix_mtr_policy_add,
.meter_policy_delete = cn10k_nix_mtr_policy_delete,
+ .create = cn10k_nix_mtr_create,
};
int
diff --git a/drivers/net/cnxk/cnxk_ethdev.c b/drivers/net/cnxk/cnxk_ethdev.c
index 9e75060513..4c12715756 100644
--- a/drivers/net/cnxk/cnxk_ethdev.c
+++ b/drivers/net/cnxk/cnxk_ethdev.c
@@ -509,6 +509,7 @@ nix_ingress_policer_setup(struct cnxk_eth_dev *dev)
{
TAILQ_INIT(&dev->mtr_profiles);
TAILQ_INIT(&dev->mtr_policy);
+ TAILQ_INIT(&dev->mtr);
return 0;
}
diff --git a/drivers/net/cnxk/cnxk_ethdev.h b/drivers/net/cnxk/cnxk_ethdev.h
index 4e45061c86..0ad06f1536 100644
--- a/drivers/net/cnxk/cnxk_ethdev.h
+++ b/drivers/net/cnxk/cnxk_ethdev.h
@@ -145,6 +145,25 @@ struct cnxk_timesync_info {
uint64_t *tx_tstamp;
} __plt_cache_aligned;
+struct cnxk_meter_node {
+ TAILQ_ENTRY(cnxk_meter_node) next;
+ /**< Pointer to the next flow meter structure. */
+ uint32_t id; /**< Usr mtr id. */
+ struct cnxk_mtr_profile_node *profile;
+ struct cnxk_mtr_policy_node *policy;
+ uint32_t bpf_id; /**< Hw mtr id. */
+ uint32_t rq_num;
+ uint32_t *rq_id;
+ uint16_t level;
+ uint32_t prev_id; /**< Prev mtr id for chaining */
+ uint32_t next_id; /**< Next mtr id for chaining */
+ bool is_prev;
+ bool is_next;
+ struct rte_mtr_params params;
+ struct roc_nix_bpf_objs profs;
+ uint32_t ref_cnt;
+};
+
struct action_rss {
enum rte_eth_hash_function func;
uint32_t level;
@@ -183,6 +202,7 @@ struct cnxk_mtr_profile_node {
TAILQ_HEAD(cnxk_mtr_profiles, cnxk_mtr_profile_node);
TAILQ_HEAD(cnxk_mtr_policy, cnxk_mtr_policy_node);
+TAILQ_HEAD(cnxk_mtr, cnxk_meter_node);
struct cnxk_eth_dev {
/* ROC NIX */
@@ -252,8 +272,10 @@ struct cnxk_eth_dev {
uint64_t clk_delta;
/* Ingress policer */
+ enum roc_nix_bpf_color precolor_tbl[ROC_NIX_BPF_PRE_COLOR_MAX];
struct cnxk_mtr_profiles mtr_profiles;
struct cnxk_mtr_policy mtr_policy;
+ struct cnxk_mtr mtr;
/* Rx burst for cleanup(Only Primary) */
eth_rx_burst_t rx_pkt_burst_no_offload;
--
2.25.1
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