net/cnxk: support to create meter profile

Implement API to add meter profile for CNXK platform.

Signed-off-by: Sunil Kumar Kori <skori@marvell.com>
Signed-off-by: Rakesh Kudurumalla <rkudurumalla@marvell.com>
Acked-by: Jerin Jacob <jerinj@marvell.com>

diff --git a/drivers/net/cnxk/cnxk_ethdev.c b/drivers/net/cnxk/cnxk_ethdev.c
index d2ee39d..881f158 100644 (file)
--- a/drivers/net/cnxk/cnxk_ethdev.c
+++ b/drivers/net/cnxk/cnxk_ethdev.c
@@ -695,6 +695,14 @@ nix_free_queue_mem(struct cnxk_eth_dev *dev)
        dev->sqs = NULL;
 }
 
+static int
+nix_ingress_policer_setup(struct cnxk_eth_dev *dev)
+{
+       TAILQ_INIT(&dev->mtr_profiles);
+
+       return 0;
+}
+
 static int
 nix_rss_default_setup(struct cnxk_eth_dev *dev)
 {
@@ -1103,6 +1111,12 @@ cnxk_nix_configure(struct rte_eth_dev *eth_dev)
                goto free_nix_lf;
        }
 
+       rc = nix_ingress_policer_setup(dev);
+       if (rc) {
+               plt_err("Failed to setup ingress policer rc=%d", rc);
+               goto free_nix_lf;
+       }
+
        rc = roc_nix_tm_hierarchy_enable(nix, ROC_NIX_TM_DEFAULT, false);
        if (rc) {
                plt_err("Failed to enable default tm hierarchy, rc=%d", rc);

diff --git a/drivers/net/cnxk/cnxk_ethdev.h b/drivers/net/cnxk/cnxk_ethdev.h
index 4143f5e..e10be40 100644 (file)
--- a/drivers/net/cnxk/cnxk_ethdev.h
+++ b/drivers/net/cnxk/cnxk_ethdev.h
@@ -13,6 +13,7 @@
 #include <rte_mbuf.h>
 #include <rte_mbuf_pool_ops.h>
 #include <rte_mempool.h>
+#include <rte_mtr_driver.h>
 #include <rte_security.h>
 #include <rte_security_driver.h>
 #include <rte_tailq.h>
@@ -158,6 +159,15 @@ struct cnxk_timesync_info {
        uint64_t *tx_tstamp;
 } __plt_cache_aligned;
 
+struct cnxk_mtr_profile_node {
+       TAILQ_ENTRY(cnxk_mtr_profile_node) next;
+       struct rte_mtr_meter_profile profile; /**< Profile detail. */
+       uint32_t ref_cnt;                     /**< Use count. */
+       uint32_t id;                          /**< Profile id. */
+};
+
+TAILQ_HEAD(cnxk_mtr_profiles, cnxk_mtr_profile_node);
+
 /* Security session private data */
 struct cnxk_eth_sec_sess {
        /* List entry */
@@ -303,6 +313,9 @@ struct cnxk_eth_dev {
        double clk_freq_mult;
        uint64_t clk_delta;
 
+       /* Ingress policer */
+       struct cnxk_mtr_profiles mtr_profiles;
+
        /* Rx burst for cleanup(Only Primary) */
        eth_rx_burst_t rx_pkt_burst_no_offload;
 

diff --git a/drivers/net/cnxk/cnxk_ethdev_mtr.c b/drivers/net/cnxk/cnxk_ethdev_mtr.c
index 43dc340..9127d9a 100644 (file)
--- a/drivers/net/cnxk/cnxk_ethdev_mtr.c
+++ b/drivers/net/cnxk/cnxk_ethdev_mtr.c
@@ -37,6 +37,106 @@ 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_mtr_profile_node *
+nix_mtr_profile_find(struct cnxk_eth_dev *dev, uint32_t profile_id)
+{
+       struct cnxk_mtr_profiles *fmps = &dev->mtr_profiles;
+       struct cnxk_mtr_profile_node *fmp;
+
+       TAILQ_FOREACH(fmp, fmps, next)
+               if (profile_id == fmp->id)
+                       return fmp;
+
+       return NULL;
+}
+
+static int
+nix_mtr_profile_validate(struct cnxk_eth_dev *dev, uint32_t profile_id,
+                        struct rte_mtr_meter_profile *profile,
+                        struct rte_mtr_error *error)
+{
+       int rc = 0;
+
+       PLT_SET_USED(dev);
+
+       if (profile == NULL)
+               return -rte_mtr_error_set(error, EINVAL,
+                                         RTE_MTR_ERROR_TYPE_METER_PROFILE,
+                                         NULL, "Meter profile is null.");
+
+       if (profile_id == UINT32_MAX)
+               return -rte_mtr_error_set(error, EINVAL,
+                                         RTE_MTR_ERROR_TYPE_METER_PROFILE_ID,
+                                         NULL, "Meter profile id not valid.");
+
+       switch (profile->alg) {
+       case RTE_MTR_SRTCM_RFC2697:
+               if (profile->srtcm_rfc2697.cir > mtr_capa.meter_rate_max)
+                       rc = -rte_mtr_error_set(error, EINVAL,
+                               RTE_MTR_ERROR_TYPE_METER_PROFILE, NULL,
+                               "CIR exceeds max meter rate");
+
+               if (profile->srtcm_rfc2697.cbs > NIX_BPF_BURST_MAX)
+                       rc = -rte_mtr_error_set(error, EINVAL,
+                               RTE_MTR_ERROR_TYPE_METER_PROFILE, NULL,
+                               "CBS exceeds max meter burst size");
+
+               if (profile->srtcm_rfc2697.ebs > NIX_BPF_BURST_MAX)
+                       rc = -rte_mtr_error_set(error, EINVAL,
+                               RTE_MTR_ERROR_TYPE_METER_PROFILE, NULL,
+                               "EBS exceeds max meter burst size");
+               break;
+
+       case RTE_MTR_TRTCM_RFC2698:
+               if (profile->trtcm_rfc2698.cir > mtr_capa.meter_rate_max)
+                       rc = -rte_mtr_error_set(error, EINVAL,
+                               RTE_MTR_ERROR_TYPE_METER_PROFILE, NULL,
+                               "CIR exceeds max meter rate");
+
+               if (profile->trtcm_rfc2698.pir > mtr_capa.meter_rate_max)
+                       rc = -rte_mtr_error_set(error, EINVAL,
+                               RTE_MTR_ERROR_TYPE_METER_PROFILE, NULL,
+                               "PIR exceeds max meter rate");
+
+               if (profile->trtcm_rfc2698.cbs > NIX_BPF_BURST_MAX)
+                       rc = -rte_mtr_error_set(error, EINVAL,
+                               RTE_MTR_ERROR_TYPE_METER_PROFILE, NULL,
+                               "CBS exceeds max meter burst size");
+
+               if (profile->trtcm_rfc2698.pbs > NIX_BPF_BURST_MAX)
+                       rc = -rte_mtr_error_set(error, EINVAL,
+                               RTE_MTR_ERROR_TYPE_METER_PROFILE, NULL,
+                               "PBS exceeds max meter burst size");
+               break;
+
+       case RTE_MTR_TRTCM_RFC4115:
+               if ((profile->trtcm_rfc4115.cir + profile->trtcm_rfc4115.eir) >
+                   mtr_capa.meter_rate_max)
+                       rc = -rte_mtr_error_set(error, EINVAL,
+                               RTE_MTR_ERROR_TYPE_METER_PROFILE, NULL,
+                               "PIR + EIR exceeds max rate");
+
+               if (profile->trtcm_rfc4115.cbs > NIX_BPF_BURST_MAX)
+                       rc = -rte_mtr_error_set(error, EINVAL,
+                               RTE_MTR_ERROR_TYPE_METER_PROFILE, NULL,
+                               "CBS exceeds max meter burst size");
+
+               if (profile->trtcm_rfc4115.ebs > NIX_BPF_BURST_MAX)
+                       rc = -rte_mtr_error_set(error, EINVAL,
+                               RTE_MTR_ERROR_TYPE_METER_PROFILE, NULL,
+                               "PBS exceeds max meter burst size");
+               break;
+
+       default:
+               rc = -rte_mtr_error_set(error, EINVAL,
+                                       RTE_MTR_ERROR_TYPE_METER_PROFILE, NULL,
+                                       "alg is invalid");
+               break;
+       }
+
+       return rc;
+}
+
 static int
 cnxk_nix_mtr_capabilities_get(struct rte_eth_dev *dev,
                              struct rte_mtr_capabilities *capa,
@@ -52,8 +152,46 @@ cnxk_nix_mtr_capabilities_get(struct rte_eth_dev *dev,
        return 0;
 }
 
+static int
+cnxk_nix_mtr_profile_add(struct rte_eth_dev *eth_dev, uint32_t profile_id,
+                        struct rte_mtr_meter_profile *profile,
+                        struct rte_mtr_error *error)
+{
+       struct cnxk_eth_dev *dev = cnxk_eth_pmd_priv(eth_dev);
+       struct cnxk_mtr_profiles *fmps = &dev->mtr_profiles;
+       struct cnxk_mtr_profile_node *fmp;
+       int ret;
+
+       /* Check input params. */
+       ret = nix_mtr_profile_validate(dev, profile_id, profile, error);
+       if (ret)
+               return ret;
+
+       fmp = nix_mtr_profile_find(dev, profile_id);
+       if (fmp) {
+               return -rte_mtr_error_set(error, EEXIST,
+                                         RTE_MTR_ERROR_TYPE_METER_PROFILE_ID,
+                                         NULL, "Profile already exist");
+       }
+
+       fmp = plt_zmalloc(sizeof(struct cnxk_mtr_profile_node), ROC_ALIGN);
+       if (fmp == NULL)
+               return -rte_mtr_error_set(error, ENOMEM,
+                                         RTE_MTR_ERROR_TYPE_UNSPECIFIED, NULL,
+                                         "Meter profile memory "
+                                         "alloc failed.");
+
+       fmp->id = profile_id;
+       fmp->profile = *profile;
+
+       TAILQ_INSERT_TAIL(fmps, fmp, next);
+
+       return 0;
+}
+
 const struct rte_mtr_ops nix_mtr_ops = {
        .capabilities_get = cnxk_nix_mtr_capabilities_get,
+       .meter_profile_add = cnxk_nix_mtr_profile_add,
 };
 
 int