common/cnxk: support NIX stats

Add API to provide Rx and Tx stats for a given NIX.

Signed-off-by: Jerin Jacob <jerinj@marvell.com>
Acked-by: Nithin Dabilpuram <ndabilpuram@marvell.com>

diff --git a/drivers/common/cnxk/meson.build b/drivers/common/cnxk/meson.build
index d01cf0b..4c48f55 100644 (file)
--- a/drivers/common/cnxk/meson.build
+++ b/drivers/common/cnxk/meson.build
@@ -23,6 +23,7 @@ sources = files('roc_dev.c',
                'roc_nix_ptp.c',
                'roc_nix_queue.c',
                'roc_nix_rss.c',
+               'roc_nix_stats.c',
                'roc_npa.c',
                'roc_npa_debug.c',
                'roc_npa_irq.c',

diff --git a/drivers/common/cnxk/roc_nix.h b/drivers/common/cnxk/roc_nix.h
index 3cc1797..45aca83 100644 (file)
--- a/drivers/common/cnxk/roc_nix.h
+++ b/drivers/common/cnxk/roc_nix.h
@@ -47,6 +47,49 @@ enum roc_nix_sq_max_sqe_sz {
 #define ROC_NIX_VWQE_MAX_SIZE_LOG2 11
 #define ROC_NIX_VWQE_MIN_SIZE_LOG2 2
 
+struct roc_nix_stats {
+       /* Rx */
+       uint64_t rx_octs;
+       uint64_t rx_ucast;
+       uint64_t rx_bcast;
+       uint64_t rx_mcast;
+       uint64_t rx_drop;
+       uint64_t rx_drop_octs;
+       uint64_t rx_fcs;
+       uint64_t rx_err;
+       uint64_t rx_drop_bcast;
+       uint64_t rx_drop_mcast;
+       uint64_t rx_drop_l3_bcast;
+       uint64_t rx_drop_l3_mcast;
+       /* Tx */
+       uint64_t tx_ucast;
+       uint64_t tx_bcast;
+       uint64_t tx_mcast;
+       uint64_t tx_drop;
+       uint64_t tx_octs;
+};
+
+struct roc_nix_stats_queue {
+       PLT_STD_C11
+       union {
+               struct {
+                       /* Rx */
+                       uint64_t rx_pkts;
+                       uint64_t rx_octs;
+                       uint64_t rx_drop_pkts;
+                       uint64_t rx_drop_octs;
+                       uint64_t rx_error_pkts;
+               };
+               struct {
+                       /* Tx */
+                       uint64_t tx_pkts;
+                       uint64_t tx_octs;
+                       uint64_t tx_drop_pkts;
+                       uint64_t tx_drop_octs;
+               };
+       };
+};
+
 struct roc_nix_rq {
        /* Input parameters */
        uint16_t qid;
@@ -237,6 +280,16 @@ int __roc_api roc_nix_rss_flowkey_set(struct roc_nix *roc_nix, uint8_t *alg_idx,
 int __roc_api roc_nix_rss_default_setup(struct roc_nix *roc_nix,
                                        uint32_t flowkey);
 
+/* Stats */
+int __roc_api roc_nix_stats_get(struct roc_nix *roc_nix,
+                               struct roc_nix_stats *stats);
+int __roc_api roc_nix_stats_reset(struct roc_nix *roc_nix);
+int __roc_api roc_nix_stats_queue_get(struct roc_nix *roc_nix, uint16_t qid,
+                                     bool is_rx,
+                                     struct roc_nix_stats_queue *qstats);
+int __roc_api roc_nix_stats_queue_reset(struct roc_nix *roc_nix, uint16_t qid,
+                                       bool is_rx);
+
 /* Queue */
 int __roc_api roc_nix_rq_init(struct roc_nix *roc_nix, struct roc_nix_rq *rq,
                              bool ena);

diff --git a/drivers/common/cnxk/roc_nix_stats.c b/drivers/common/cnxk/roc_nix_stats.c
new file mode 100644 (file)
index 0000000..e0a776a
--- /dev/null
+++ b/drivers/common/cnxk/roc_nix_stats.c
@@ -0,0 +1,239 @@
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright(C) 2021 Marvell.
+ */
+
+#include <inttypes.h>
+
+#include "roc_api.h"
+#include "roc_priv.h"
+
+#define NIX_RX_STATS(val) plt_read64(nix->base + NIX_LF_RX_STATX(val))
+#define NIX_TX_STATS(val) plt_read64(nix->base + NIX_LF_TX_STATX(val))
+
+int
+roc_nix_stats_get(struct roc_nix *roc_nix, struct roc_nix_stats *stats)
+{
+       struct nix *nix = roc_nix_to_nix_priv(roc_nix);
+
+       if (stats == NULL)
+               return NIX_ERR_PARAM;
+
+       stats->rx_octs = NIX_RX_STATS(NIX_STAT_LF_RX_RX_OCTS);
+       stats->rx_ucast = NIX_RX_STATS(NIX_STAT_LF_RX_RX_UCAST);
+       stats->rx_bcast = NIX_RX_STATS(NIX_STAT_LF_RX_RX_BCAST);
+       stats->rx_mcast = NIX_RX_STATS(NIX_STAT_LF_RX_RX_MCAST);
+       stats->rx_drop = NIX_RX_STATS(NIX_STAT_LF_RX_RX_DROP);
+       stats->rx_drop_octs = NIX_RX_STATS(NIX_STAT_LF_RX_RX_DROP_OCTS);
+       stats->rx_fcs = NIX_RX_STATS(NIX_STAT_LF_RX_RX_FCS);
+       stats->rx_err = NIX_RX_STATS(NIX_STAT_LF_RX_RX_ERR);
+       stats->rx_drop_bcast = NIX_RX_STATS(NIX_STAT_LF_RX_RX_DRP_BCAST);
+       stats->rx_drop_mcast = NIX_RX_STATS(NIX_STAT_LF_RX_RX_DRP_MCAST);
+       stats->rx_drop_l3_bcast = NIX_RX_STATS(NIX_STAT_LF_RX_RX_DRP_L3BCAST);
+       stats->rx_drop_l3_mcast = NIX_RX_STATS(NIX_STAT_LF_RX_RX_DRP_L3MCAST);
+
+       stats->tx_ucast = NIX_TX_STATS(NIX_STAT_LF_TX_TX_UCAST);
+       stats->tx_bcast = NIX_TX_STATS(NIX_STAT_LF_TX_TX_BCAST);
+       stats->tx_mcast = NIX_TX_STATS(NIX_STAT_LF_TX_TX_MCAST);
+       stats->tx_drop = NIX_TX_STATS(NIX_STAT_LF_TX_TX_DROP);
+       stats->tx_octs = NIX_TX_STATS(NIX_STAT_LF_TX_TX_OCTS);
+       return 0;
+}
+
+int
+roc_nix_stats_reset(struct roc_nix *roc_nix)
+{
+       struct nix *nix = roc_nix_to_nix_priv(roc_nix);
+       struct mbox *mbox = (&nix->dev)->mbox;
+
+       if (mbox_alloc_msg_nix_stats_rst(mbox) == NULL)
+               return -ENOMEM;
+
+       return mbox_process(mbox);
+}
+
+static int
+queue_is_valid(struct nix *nix, uint16_t qid, bool is_rx)
+{
+       uint16_t nb_queues;
+
+       if (is_rx)
+               nb_queues = nix->nb_rx_queues;
+       else
+               nb_queues = nix->nb_tx_queues;
+
+       if (qid >= nb_queues)
+               return NIX_ERR_QUEUE_INVALID_RANGE;
+
+       return 0;
+}
+
+static uint64_t
+qstat_read(struct nix *nix, uint16_t qid, uint32_t off)
+{
+       uint64_t reg, val;
+       int64_t *addr;
+
+       addr = (int64_t *)(nix->base + off);
+       reg = (((uint64_t)qid) << 32);
+       val = roc_atomic64_add_nosync(reg, addr);
+       if (val & BIT_ULL(NIX_CQ_OP_STAT_OP_ERR))
+               val = 0;
+       return val;
+}
+
+static void
+nix_stat_rx_queue_get(struct nix *nix, uint16_t qid,
+                     struct roc_nix_stats_queue *qstats)
+{
+       qstats->rx_pkts = qstat_read(nix, qid, NIX_LF_RQ_OP_PKTS);
+       qstats->rx_octs = qstat_read(nix, qid, NIX_LF_RQ_OP_OCTS);
+       qstats->rx_drop_pkts = qstat_read(nix, qid, NIX_LF_RQ_OP_DROP_PKTS);
+       qstats->rx_drop_octs = qstat_read(nix, qid, NIX_LF_RQ_OP_DROP_OCTS);
+       qstats->rx_error_pkts = qstat_read(nix, qid, NIX_LF_RQ_OP_RE_PKTS);
+}
+
+static void
+nix_stat_tx_queue_get(struct nix *nix, uint16_t qid,
+                     struct roc_nix_stats_queue *qstats)
+{
+       qstats->tx_pkts = qstat_read(nix, qid, NIX_LF_SQ_OP_PKTS);
+       qstats->tx_octs = qstat_read(nix, qid, NIX_LF_SQ_OP_OCTS);
+       qstats->tx_drop_pkts = qstat_read(nix, qid, NIX_LF_SQ_OP_DROP_PKTS);
+       qstats->tx_drop_octs = qstat_read(nix, qid, NIX_LF_SQ_OP_DROP_OCTS);
+}
+
+static int
+nix_stat_rx_queue_reset(struct nix *nix, uint16_t qid)
+{
+       struct mbox *mbox = (&nix->dev)->mbox;
+       int rc;
+
+       if (roc_model_is_cn9k()) {
+               struct nix_aq_enq_req *aq;
+
+               aq = mbox_alloc_msg_nix_aq_enq(mbox);
+               aq->qidx = qid;
+               aq->ctype = NIX_AQ_CTYPE_RQ;
+               aq->op = NIX_AQ_INSTOP_WRITE;
+
+               aq->rq.octs = 0;
+               aq->rq.pkts = 0;
+               aq->rq.drop_octs = 0;
+               aq->rq.drop_pkts = 0;
+               aq->rq.re_pkts = 0;
+
+               aq->rq_mask.octs = ~(aq->rq_mask.octs);
+               aq->rq_mask.pkts = ~(aq->rq_mask.pkts);
+               aq->rq_mask.drop_octs = ~(aq->rq_mask.drop_octs);
+               aq->rq_mask.drop_pkts = ~(aq->rq_mask.drop_pkts);
+               aq->rq_mask.re_pkts = ~(aq->rq_mask.re_pkts);
+       } else {
+               struct nix_cn10k_aq_enq_req *aq;
+
+               aq = mbox_alloc_msg_nix_cn10k_aq_enq(mbox);
+               aq->qidx = qid;
+               aq->ctype = NIX_AQ_CTYPE_RQ;
+               aq->op = NIX_AQ_INSTOP_WRITE;
+
+               aq->rq.octs = 0;
+               aq->rq.pkts = 0;
+               aq->rq.drop_octs = 0;
+               aq->rq.drop_pkts = 0;
+               aq->rq.re_pkts = 0;
+
+               aq->rq_mask.octs = ~(aq->rq_mask.octs);
+               aq->rq_mask.pkts = ~(aq->rq_mask.pkts);
+               aq->rq_mask.drop_octs = ~(aq->rq_mask.drop_octs);
+               aq->rq_mask.drop_pkts = ~(aq->rq_mask.drop_pkts);
+               aq->rq_mask.re_pkts = ~(aq->rq_mask.re_pkts);
+       }
+
+       rc = mbox_process(mbox);
+       return rc ? NIX_ERR_AQ_WRITE_FAILED : 0;
+}
+
+static int
+nix_stat_tx_queue_reset(struct nix *nix, uint16_t qid)
+{
+       struct mbox *mbox = (&nix->dev)->mbox;
+       int rc;
+
+       if (roc_model_is_cn9k()) {
+               struct nix_aq_enq_req *aq;
+
+               aq = mbox_alloc_msg_nix_aq_enq(mbox);
+               aq->qidx = qid;
+               aq->ctype = NIX_AQ_CTYPE_SQ;
+               aq->op = NIX_AQ_INSTOP_WRITE;
+               aq->sq.octs = 0;
+               aq->sq.pkts = 0;
+               aq->sq.drop_octs = 0;
+               aq->sq.drop_pkts = 0;
+
+               aq->sq_mask.octs = ~(aq->sq_mask.octs);
+               aq->sq_mask.pkts = ~(aq->sq_mask.pkts);
+               aq->sq_mask.drop_octs = ~(aq->sq_mask.drop_octs);
+               aq->sq_mask.drop_pkts = ~(aq->sq_mask.drop_pkts);
+       } else {
+               struct nix_cn10k_aq_enq_req *aq;
+
+               aq = mbox_alloc_msg_nix_cn10k_aq_enq(mbox);
+               aq->qidx = qid;
+               aq->ctype = NIX_AQ_CTYPE_SQ;
+               aq->op = NIX_AQ_INSTOP_WRITE;
+               aq->sq.octs = 0;
+               aq->sq.pkts = 0;
+               aq->sq.drop_octs = 0;
+               aq->sq.drop_pkts = 0;
+
+               aq->sq_mask.octs = ~(aq->sq_mask.octs);
+               aq->sq_mask.pkts = ~(aq->sq_mask.pkts);
+               aq->sq_mask.drop_octs = ~(aq->sq_mask.drop_octs);
+               aq->sq_mask.drop_pkts = ~(aq->sq_mask.drop_pkts);
+       }
+
+       rc = mbox_process(mbox);
+       return rc ? NIX_ERR_AQ_WRITE_FAILED : 0;
+}
+
+int
+roc_nix_stats_queue_get(struct roc_nix *roc_nix, uint16_t qid, bool is_rx,
+                       struct roc_nix_stats_queue *qstats)
+{
+       struct nix *nix = roc_nix_to_nix_priv(roc_nix);
+       int rc;
+
+       if (qstats == NULL)
+               return NIX_ERR_PARAM;
+
+       rc = queue_is_valid(nix, qid, is_rx);
+       if (rc)
+               goto fail;
+
+       if (is_rx)
+               nix_stat_rx_queue_get(nix, qid, qstats);
+       else
+               nix_stat_tx_queue_get(nix, qid, qstats);
+
+fail:
+       return rc;
+}
+
+int
+roc_nix_stats_queue_reset(struct roc_nix *roc_nix, uint16_t qid, bool is_rx)
+{
+       struct nix *nix = roc_nix_to_nix_priv(roc_nix);
+       int rc;
+
+       rc = queue_is_valid(nix, qid, is_rx);
+       if (rc)
+               goto fail;
+
+       if (is_rx)
+               rc = nix_stat_rx_queue_reset(nix, qid);
+       else
+               rc = nix_stat_tx_queue_reset(nix, qid);
+
+fail:
+       return rc;
+}

diff --git a/drivers/common/cnxk/version.map b/drivers/common/cnxk/version.map
index 2267cf7..2ff3065 100644 (file)
--- a/drivers/common/cnxk/version.map
+++ b/drivers/common/cnxk/version.map
@@ -79,6 +79,10 @@ INTERNAL {
        roc_nix_rx_queue_intr_enable;
        roc_nix_sq_fini;
        roc_nix_sq_init;
+       roc_nix_stats_get;
+       roc_nix_stats_queue_get;
+       roc_nix_stats_queue_reset;
+       roc_nix_stats_reset;
        roc_nix_unregister_cq_irqs;
        roc_nix_unregister_queue_irqs;
        roc_npa_aura_limit_modify;