[dpdk-dev] [PATCH v1 09/38] net/mvpp2: extend xstats support

[lironh at marvell.com]

From: Yuri Chipchev <yuric at marvell.com>

add xstats_by_id callbacks

Signed-off-by: Yuri Chipchev <yuric at marvell.com>
Reviewed-by: Liron Himi <lironh at marvell.com>
---
 drivers/net/mvpp2/mrvl_ethdev.c | 90 +++++++++++++++++++++++++++++++++
 1 file changed, 90 insertions(+)

diff --git a/drivers/net/mvpp2/mrvl_ethdev.c b/drivers/net/mvpp2/mrvl_ethdev.c
index 46e7260be..e81d5ee91 100644
--- a/drivers/net/mvpp2/mrvl_ethdev.c
+++ b/drivers/net/mvpp2/mrvl_ethdev.c
@@ -2027,6 +2027,94 @@ mrvl_eth_filter_ctrl(struct rte_eth_dev *dev __rte_unused,
 	}
 }
 
+/**
+ * DPDK callback to get xstats by id.
+ *
+ * @param dev
+ *   Pointer to the device structure.
+ * @param ids
+ *   Pointer to the ids table.
+ * @param values
+ *   Pointer to the values table.
+ * @param n
+ *   Values table size.
+ * @returns
+ *   Number of read values, negative value otherwise.
+ */
+static int
+mrvl_xstats_get_by_id(struct rte_eth_dev *dev, const uint64_t *ids,
+		      uint64_t *values, unsigned int n)
+{
+	unsigned int i, num = RTE_DIM(mrvl_xstats_tbl);
+	uint64_t vals[n];
+	int ret;
+
+	if (!ids) {
+		struct rte_eth_xstat xstats[num];
+		int j;
+
+		ret = mrvl_xstats_get(dev, xstats, num);
+		for (j = 0; j < ret; i++)
+			values[j] = xstats[j].value;
+
+		return ret;
+	}
+
+	ret = mrvl_xstats_get_by_id(dev, NULL, vals, n);
+	if (ret < 0)
+		return ret;
+
+	for (i = 0; i < n; i++) {
+		if (ids[i] >= num) {
+			MRVL_LOG(ERR, "id value is not valid\n");
+			return -1;
+		}
+
+		values[i] = vals[ids[i]];
+	}
+
+	return n;
+}
+
+/**
+ * DPDK callback to get xstats names by ids.
+ *
+ * @param dev
+ *   Pointer to the device structure.
+ * @param xstats_names
+ *   Pointer to table with xstats names.
+ * @param ids
+ *   Pointer to table with ids.
+ * @param size
+ *   Xstats names table size.
+ * @returns
+ *   Number of names read, negative value otherwise.
+ */
+static int
+mrvl_xstats_get_names_by_id(struct rte_eth_dev *dev,
+			    struct rte_eth_xstat_name *xstats_names,
+			    const uint64_t *ids, unsigned int size)
+{
+	unsigned int i, num = RTE_DIM(mrvl_xstats_tbl);
+	struct rte_eth_xstat_name names[num];
+
+	if (!ids)
+		return mrvl_xstats_get_names(dev, xstats_names, size);
+
+	mrvl_xstats_get_names(dev, names, size);
+	for (i = 0; i < size; i++) {
+		if (ids[i] >= num) {
+			MRVL_LOG(ERR, "id value is not valid");
+			return -1;
+		}
+
+		snprintf(xstats_names[i].name, RTE_ETH_XSTATS_NAME_SIZE,
+			 "%s", names[ids[i]].name);
+	}
+
+	return size;
+}
+
 /**
  * DPDK callback to get rte_mtr callbacks.
  *
@@ -2102,6 +2190,8 @@ static const struct eth_dev_ops mrvl_ops = {
 	.rss_hash_update = mrvl_rss_hash_update,
 	.rss_hash_conf_get = mrvl_rss_hash_conf_get,
 	.filter_ctrl = mrvl_eth_filter_ctrl,
+	.xstats_get_by_id = mrvl_xstats_get_by_id,
+	.xstats_get_names_by_id = mrvl_xstats_get_names_by_id,
 	.mtr_ops_get = mrvl_mtr_ops_get,
 	.tm_ops_get = mrvl_tm_ops_get,
 };
-- 
2.28.0