The support for queue stats mapping has since 25.11 release
by commit 2863cbd9ee6d ("ethdev: deprecate queue stats mapping functions")

This patch completes final removal from ethdev and documentation.

Signed-off-by: Stephen Hemminger <[email protected]>
---
 doc/guides/nics/features.rst         |  7 ----
 doc/guides/rel_notes/deprecation.rst |  6 ---
 lib/ethdev/ethdev_driver.h           | 11 -----
 lib/ethdev/ethdev_trace.h            | 20 ---------
 lib/ethdev/ethdev_trace_points.c     |  6 ---
 lib/ethdev/rte_ethdev.c              | 62 ----------------------------
 lib/ethdev/rte_ethdev.h              | 45 --------------------
 7 files changed, 157 deletions(-)

diff --git a/doc/guides/nics/features.rst b/doc/guides/nics/features.rst
index a075c057ec..0d3476e850 100644
--- a/doc/guides/nics/features.rst
+++ b/doc/guides/nics/features.rst
@@ -748,13 +748,6 @@ If driver does not support this feature the per queue 
stats will be zero.
 * **[implements] eth_dev_ops**: ``stats_get``, ``stats_reset``.
 * **[related]    API**: ``rte_eth_stats_get``, ``rte_eth_stats_reset()``.
 
-May also support configuring per-queue stat counter mapping.
-Used by some drivers to workaround HW limitations.
-
-* **[implements] eth_dev_ops**: ``queue_stats_mapping_set``.
-* **[related]    API**: ``rte_eth_dev_set_rx_queue_stats_mapping()``,
-  ``rte_eth_dev_set_tx_queue_stats_mapping()``.
-
 
 .. _nic_features_extended_stats:
 
diff --git a/doc/guides/rel_notes/deprecation.rst 
b/doc/guides/rel_notes/deprecation.rst
index 17f90a6352..38702b838e 100644
--- a/doc/guides/rel_notes/deprecation.rst
+++ b/doc/guides/rel_notes/deprecation.rst
@@ -78,12 +78,6 @@ Deprecation Notices
   and the header struct ``rte_vxlan_gpe_hdr`` with the macro 
``RTE_ETHER_VXLAN_GPE_HLEN``
   will be removed in DPDK 25.11.
 
-* ethdev: The queue stats mapping functions
-  ``rte_eth_dev_set_tx_queue_stats_mapping`` and 
``rte_eth_dev_set_rx_queue_stats_mapping``
-  are deprecated and will be removed in a future release.
-  Following the removal of queue statistics from the main ethdev statistics 
structure,
-  these functions are no longer needed.
-
 * ethdev: The flow API matching pattern structures, ``struct rte_flow_item_*``,
   should start with relevant protocol header structure from lib/net/.
   The individual protocol header fields and the protocol header struct
diff --git a/lib/ethdev/ethdev_driver.h b/lib/ethdev/ethdev_driver.h
index 0f336f9567..0477579cc3 100644
--- a/lib/ethdev/ethdev_driver.h
+++ b/lib/ethdev/ethdev_driver.h
@@ -567,15 +567,6 @@ typedef int (*eth_xstats_disable_counter_t)(struct 
rte_eth_dev *dev, uint64_t id
 /** @internal Query the state of an xstat the can be enabled and disabled in 
runtime. */
 typedef int (*eth_xstats_query_state_t)(struct rte_eth_dev *dev, uint64_t id);
 
-/**
- * @internal
- * Set a queue statistics mapping for a Tx/Rx queue of an Ethernet device.
- */
-typedef int (*eth_queue_stats_mapping_set_t)(struct rte_eth_dev *dev,
-                                            uint16_t queue_id,
-                                            uint8_t stat_idx,
-                                            uint8_t is_rx);
-
 /** @internal Get specific information of an Ethernet device. */
 typedef int (*eth_dev_infos_get_t)(struct rte_eth_dev *dev,
                                   struct rte_eth_dev_info *dev_info);
@@ -1454,8 +1445,6 @@ struct eth_dev_ops {
        eth_xstats_reset_t         xstats_reset;
        /** Get names of extended statistics */
        eth_xstats_get_names_t     xstats_get_names;
-       /** Configure per queue stat counter mapping */
-       eth_queue_stats_mapping_set_t queue_stats_mapping_set;
 
        eth_dev_infos_get_t        dev_infos_get; /**< Get device info */
        /** Retrieve Rx queue information */
diff --git a/lib/ethdev/ethdev_trace.h b/lib/ethdev/ethdev_trace.h
index 6554cc1a21..6f1804a765 100644
--- a/lib/ethdev/ethdev_trace.h
+++ b/lib/ethdev/ethdev_trace.h
@@ -310,26 +310,6 @@ RTE_TRACE_POINT(
        rte_trace_point_emit_int(ret);
 )
 
-RTE_TRACE_POINT(
-       rte_ethdev_trace_set_rx_queue_stats_mapping,
-       RTE_TRACE_POINT_ARGS(uint16_t port_id, uint16_t rx_queue_id,
-               uint8_t stat_idx, int ret),
-       rte_trace_point_emit_u16(port_id);
-       rte_trace_point_emit_u16(rx_queue_id);
-       rte_trace_point_emit_u8(stat_idx);
-       rte_trace_point_emit_int(ret);
-)
-
-RTE_TRACE_POINT(
-       rte_ethdev_trace_set_tx_queue_stats_mapping,
-       RTE_TRACE_POINT_ARGS(uint16_t port_id, uint16_t tx_queue_id,
-               uint8_t stat_idx, int ret),
-       rte_trace_point_emit_u16(port_id);
-       rte_trace_point_emit_u16(tx_queue_id);
-       rte_trace_point_emit_u8(stat_idx);
-       rte_trace_point_emit_int(ret);
-)
-
 RTE_TRACE_POINT(
        rte_ethdev_trace_fw_version_get,
        RTE_TRACE_POINT_ARGS(uint16_t port_id, const char *fw_version,
diff --git a/lib/ethdev/ethdev_trace_points.c b/lib/ethdev/ethdev_trace_points.c
index 0a28378a56..b0644ea489 100644
--- a/lib/ethdev/ethdev_trace_points.c
+++ b/lib/ethdev/ethdev_trace_points.c
@@ -230,12 +230,6 @@ RTE_TRACE_POINT_REGISTER(rte_eth_trace_xstats_get,
 RTE_TRACE_POINT_REGISTER(rte_eth_trace_xstats_reset,
        lib.ethdev.xstats_reset)
 
-RTE_TRACE_POINT_REGISTER(rte_ethdev_trace_set_tx_queue_stats_mapping,
-       lib.ethdev.set_tx_queue_stats_mapping)
-
-RTE_TRACE_POINT_REGISTER(rte_ethdev_trace_set_rx_queue_stats_mapping,
-       lib.ethdev.set_rx_queue_stats_mapping)
-
 RTE_TRACE_POINT_REGISTER(rte_ethdev_trace_fw_version_get,
        lib.ethdev.fw_version_get)
 
diff --git a/lib/ethdev/rte_ethdev.c b/lib/ethdev/rte_ethdev.c
index d0273e3f7b..e9bd5ba473 100644
--- a/lib/ethdev/rte_ethdev.c
+++ b/lib/ethdev/rte_ethdev.c
@@ -160,11 +160,6 @@ static const struct {
        {RTE_ETH_DEV_CAPA_FLOW_SHARED_OBJECT_KEEP, "FLOW_SHARED_OBJECT_KEEP"},
 };
 
-enum {
-       STAT_QMAP_TX = 0,
-       STAT_QMAP_RX
-};
-
 static const struct {
        enum rte_eth_hash_function algo;
        const char *name;
@@ -3997,63 +3992,6 @@ rte_eth_xstats_query_state(uint16_t port_id, uint64_t id)
        return -ENOTSUP;
 }
 
-static int
-eth_dev_set_queue_stats_mapping(uint16_t port_id, uint16_t queue_id,
-               uint8_t stat_idx, uint8_t is_rx)
-{
-       struct rte_eth_dev *dev;
-
-       RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
-       dev = &rte_eth_devices[port_id];
-
-       if (is_rx && (queue_id >= dev->data->nb_rx_queues))
-               return -EINVAL;
-
-       if (!is_rx && (queue_id >= dev->data->nb_tx_queues))
-               return -EINVAL;
-
-       if (stat_idx >= RTE_ETHDEV_QUEUE_STAT_CNTRS)
-               return -EINVAL;
-
-       if (dev->dev_ops->queue_stats_mapping_set == NULL)
-               return -ENOTSUP;
-       return dev->dev_ops->queue_stats_mapping_set(dev, queue_id, stat_idx, 
is_rx);
-}
-
-RTE_EXPORT_SYMBOL(rte_eth_dev_set_tx_queue_stats_mapping)
-int
-rte_eth_dev_set_tx_queue_stats_mapping(uint16_t port_id, uint16_t tx_queue_id,
-               uint8_t stat_idx)
-{
-       int ret;
-
-       ret = eth_err(port_id, eth_dev_set_queue_stats_mapping(port_id,
-                                               tx_queue_id,
-                                               stat_idx, STAT_QMAP_TX));
-
-       rte_ethdev_trace_set_tx_queue_stats_mapping(port_id, tx_queue_id,
-                                                   stat_idx, ret);
-
-       return ret;
-}
-
-RTE_EXPORT_SYMBOL(rte_eth_dev_set_rx_queue_stats_mapping)
-int
-rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id, uint16_t rx_queue_id,
-               uint8_t stat_idx)
-{
-       int ret;
-
-       ret = eth_err(port_id, eth_dev_set_queue_stats_mapping(port_id,
-                                               rx_queue_id,
-                                               stat_idx, STAT_QMAP_RX));
-
-       rte_ethdev_trace_set_rx_queue_stats_mapping(port_id, rx_queue_id,
-                                                   stat_idx, ret);
-
-       return ret;
-}
-
 RTE_EXPORT_SYMBOL(rte_eth_dev_fw_version_get)
 int
 rte_eth_dev_fw_version_get(uint16_t port_id, char *fw_version, size_t fw_size)
diff --git a/lib/ethdev/rte_ethdev.h b/lib/ethdev/rte_ethdev.h
index 3f4d2438e4..e91eada38c 100644
--- a/lib/ethdev/rte_ethdev.h
+++ b/lib/ethdev/rte_ethdev.h
@@ -3478,51 +3478,6 @@ int rte_eth_xstats_query_state(uint16_t port_id, 
uint64_t id);
  */
 int rte_eth_xstats_reset(uint16_t port_id);
 
-/**
- *  Set a mapping for the specified transmit queue to the specified per-queue
- *  statistics counter.
- *
- * @param port_id
- *   The port identifier of the Ethernet device.
- * @param tx_queue_id
- *   The index of the transmit queue for which a queue stats mapping is 
required.
- *   The value must be in the range [0, nb_tx_queue - 1] previously supplied
- *   to rte_eth_dev_configure().
- * @param stat_idx
- *   The per-queue packet statistics functionality number that the transmit
- *   queue is to be assigned.
- *   The value must be in the range [0, RTE_ETHDEV_QUEUE_STAT_CNTRS - 1].
- *   Max RTE_ETHDEV_QUEUE_STAT_CNTRS being 256.
- * @return
- *   Zero if successful. Non-zero otherwise.
- */
-__rte_deprecated
-int rte_eth_dev_set_tx_queue_stats_mapping(uint16_t port_id,
-               uint16_t tx_queue_id, uint8_t stat_idx);
-
-/**
- *  Set a mapping for the specified receive queue to the specified per-queue
- *  statistics counter.
- *
- * @param port_id
- *   The port identifier of the Ethernet device.
- * @param rx_queue_id
- *   The index of the receive queue for which a queue stats mapping is 
required.
- *   The value must be in the range [0, nb_rx_queue - 1] previously supplied
- *   to rte_eth_dev_configure().
- * @param stat_idx
- *   The per-queue packet statistics functionality number that the receive
- *   queue is to be assigned.
- *   The value must be in the range [0, RTE_ETHDEV_QUEUE_STAT_CNTRS - 1].
- *   Max RTE_ETHDEV_QUEUE_STAT_CNTRS being 256.
- * @return
- *   Zero if successful. Non-zero otherwise.
- */
-__rte_deprecated
-int rte_eth_dev_set_rx_queue_stats_mapping(uint16_t port_id,
-                                          uint16_t rx_queue_id,
-                                          uint8_t stat_idx);
-
 /**
  * Retrieve the Ethernet address of an Ethernet device.
  *
-- 
2.53.0

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