[RLC 10] Multiple patches 12/01/2026

drivers/infiniband/hw/mana/counters.c

@@ -32,8 +32,32 @@ static const struct rdma_stat_desc mana_ib_port_stats_desc[] = {
 	[MANA_IB_RATE_INC_EVENTS].name = "rate_inc_events",
 	[MANA_IB_NUM_QPS_RECOVERED].name = "num_qps_recovered",
 	[MANA_IB_CURRENT_RATE].name = "current_rate",
+	[MANA_IB_DUP_RX_REQ].name = "dup_rx_requests",
+	[MANA_IB_TX_BYTES].name = "tx_bytes",
+	[MANA_IB_RX_BYTES].name = "rx_bytes",
+	[MANA_IB_RX_SEND_REQ].name = "rx_send_requests",
+	[MANA_IB_RX_WRITE_REQ].name = "rx_write_requests",
+	[MANA_IB_RX_READ_REQ].name = "rx_read_requests",
+	[MANA_IB_TX_PKT].name = "tx_packets",
+	[MANA_IB_RX_PKT].name = "rx_packets",
 };
 
+static const struct rdma_stat_desc mana_ib_device_stats_desc[] = {
+	[MANA_IB_SENT_CNPS].name = "sent_cnps",
+	[MANA_IB_RECEIVED_ECNS].name = "received_ecns",
+	[MANA_IB_RECEIVED_CNP_COUNT].name = "received_cnp_count",
+	[MANA_IB_QP_CONGESTED_EVENTS].name = "qp_congested_events",
+	[MANA_IB_QP_RECOVERED_EVENTS].name = "qp_recovered_events",
+	[MANA_IB_DEV_RATE_INC_EVENTS].name = "rate_inc_events",
+};
+
+struct rdma_hw_stats *mana_ib_alloc_hw_device_stats(struct ib_device *ibdev)
+{
+	return rdma_alloc_hw_stats_struct(mana_ib_device_stats_desc,
+					  ARRAY_SIZE(mana_ib_device_stats_desc),
+					  RDMA_HW_STATS_DEFAULT_LIFESPAN);
+}
+
 struct rdma_hw_stats *mana_ib_alloc_hw_port_stats(struct ib_device *ibdev,
 						  u32 port_num)
 {
@@ -42,8 +66,39 @@ struct rdma_hw_stats *mana_ib_alloc_hw_port_stats(struct ib_device *ibdev,
 					  RDMA_HW_STATS_DEFAULT_LIFESPAN);
 }
 
-int mana_ib_get_hw_stats(struct ib_device *ibdev, struct rdma_hw_stats *stats,
-			 u32 port_num, int index)
+static int mana_ib_get_hw_device_stats(struct ib_device *ibdev, struct rdma_hw_stats *stats)
+{
+	struct mana_ib_dev *mdev = container_of(ibdev, struct mana_ib_dev,
+						ib_dev);
+	struct mana_rnic_query_device_cntrs_resp resp = {};
+	struct mana_rnic_query_device_cntrs_req req = {};
+	int err;
+
+	mana_gd_init_req_hdr(&req.hdr, MANA_IB_QUERY_DEVICE_COUNTERS,
+			     sizeof(req), sizeof(resp));
+	req.hdr.dev_id = mdev->gdma_dev->dev_id;
+	req.adapter = mdev->adapter_handle;
+
+	err = mana_gd_send_request(mdev_to_gc(mdev), sizeof(req), &req,
+				   sizeof(resp), &resp);
+	if (err) {
+		ibdev_err(&mdev->ib_dev, "Failed to query device counters err %d",
+			  err);
+		return err;
+	}
+
+	stats->value[MANA_IB_SENT_CNPS] = resp.sent_cnps;
+	stats->value[MANA_IB_RECEIVED_ECNS] = resp.received_ecns;
+	stats->value[MANA_IB_RECEIVED_CNP_COUNT] = resp.received_cnp_count;
+	stats->value[MANA_IB_QP_CONGESTED_EVENTS] = resp.qp_congested_events;
+	stats->value[MANA_IB_QP_RECOVERED_EVENTS] = resp.qp_recovered_events;
+	stats->value[MANA_IB_DEV_RATE_INC_EVENTS] = resp.rate_inc_events;
+
+	return ARRAY_SIZE(mana_ib_device_stats_desc);
+}
+
+static int mana_ib_get_hw_port_stats(struct ib_device *ibdev, struct rdma_hw_stats *stats,
+				     u32 port_num)
 {
 	struct mana_ib_dev *mdev = container_of(ibdev, struct mana_ib_dev,
 						ib_dev);
@@ -53,6 +108,7 @@ int mana_ib_get_hw_stats(struct ib_device *ibdev, struct rdma_hw_stats *stats,
 
 	mana_gd_init_req_hdr(&req.hdr, MANA_IB_QUERY_VF_COUNTERS,
 			     sizeof(req), sizeof(resp));
+	req.hdr.resp.msg_version = GDMA_MESSAGE_V2;
 	req.hdr.dev_id = mdev->gdma_dev->dev_id;
 	req.adapter = mdev->adapter_handle;
 
@@ -101,5 +157,23 @@ int mana_ib_get_hw_stats(struct ib_device *ibdev, struct rdma_hw_stats *stats,
 	stats->value[MANA_IB_NUM_QPS_RECOVERED] = resp.num_qps_recovered;
 	stats->value[MANA_IB_CURRENT_RATE] = resp.current_rate;
 
+	stats->value[MANA_IB_DUP_RX_REQ] = resp.dup_rx_req;
+	stats->value[MANA_IB_TX_BYTES] = resp.tx_bytes;
+	stats->value[MANA_IB_RX_BYTES] = resp.rx_bytes;
+	stats->value[MANA_IB_RX_SEND_REQ] = resp.rx_send_req;
+	stats->value[MANA_IB_RX_WRITE_REQ] = resp.rx_write_req;
+	stats->value[MANA_IB_RX_READ_REQ] = resp.rx_read_req;
+	stats->value[MANA_IB_TX_PKT] = resp.tx_pkt;
+	stats->value[MANA_IB_RX_PKT] = resp.rx_pkt;
+
 	return ARRAY_SIZE(mana_ib_port_stats_desc);
 }
+
+int mana_ib_get_hw_stats(struct ib_device *ibdev, struct rdma_hw_stats *stats,
+			 u32 port_num, int index)
+{
+	if (!port_num)
+		return mana_ib_get_hw_device_stats(ibdev, stats);
+	else
+		return mana_ib_get_hw_port_stats(ibdev, stats, port_num);
+}

drivers/infiniband/hw/mana/counters.h

@@ -35,10 +35,28 @@ enum mana_ib_port_counters {
 	MANA_IB_RATE_INC_EVENTS,
 	MANA_IB_NUM_QPS_RECOVERED,
 	MANA_IB_CURRENT_RATE,
+	MANA_IB_DUP_RX_REQ,
+	MANA_IB_TX_BYTES,
+	MANA_IB_RX_BYTES,
+	MANA_IB_RX_SEND_REQ,
+	MANA_IB_RX_WRITE_REQ,
+	MANA_IB_RX_READ_REQ,
+	MANA_IB_TX_PKT,
+	MANA_IB_RX_PKT,
+};
+
+enum mana_ib_device_counters {
+	MANA_IB_SENT_CNPS,
+	MANA_IB_RECEIVED_ECNS,
+	MANA_IB_RECEIVED_CNP_COUNT,
+	MANA_IB_QP_CONGESTED_EVENTS,
+	MANA_IB_QP_RECOVERED_EVENTS,
+	MANA_IB_DEV_RATE_INC_EVENTS,
 };
 
 struct rdma_hw_stats *mana_ib_alloc_hw_port_stats(struct ib_device *ibdev,
 						  u32 port_num);
+struct rdma_hw_stats *mana_ib_alloc_hw_device_stats(struct ib_device *ibdev);
 int mana_ib_get_hw_stats(struct ib_device *ibdev, struct rdma_hw_stats *stats,
 			 u32 port_num, int index);
 #endif /* _COUNTERS_H_ */

drivers/infiniband/hw/mana/cq.c

@@ -291,6 +291,32 @@ static int mana_process_completions(struct mana_ib_cq *cq, int nwc, struct ib_wc
 	return wc_index;
 }
 
+void mana_drain_gsi_sqs(struct mana_ib_dev *mdev)
+{
+	struct mana_ib_qp *qp = mana_get_qp_ref(mdev, MANA_GSI_QPN, false);
+	struct ud_sq_shadow_wqe *shadow_wqe;
+	struct mana_ib_cq *cq;
+	unsigned long flags;
+
+	if (!qp)
+		return;
+
+	cq = container_of(qp->ibqp.send_cq, struct mana_ib_cq, ibcq);
+
+	spin_lock_irqsave(&cq->cq_lock, flags);
+	while ((shadow_wqe = shadow_queue_get_next_to_complete(&qp->shadow_sq))
+			!= NULL) {
+		shadow_wqe->header.error_code = IB_WC_GENERAL_ERR;
+		shadow_queue_advance_next_to_complete(&qp->shadow_sq);
+	}
+	spin_unlock_irqrestore(&cq->cq_lock, flags);
+
+	if (cq->ibcq.comp_handler)
+		cq->ibcq.comp_handler(&cq->ibcq, cq->ibcq.cq_context);
+
+	mana_put_qp_ref(qp);
+}
+
 int mana_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc)
 {
 	struct mana_ib_cq *cq = container_of(ibcq, struct mana_ib_cq, ibcq);

drivers/infiniband/hw/mana/device.c

@@ -65,6 +65,10 @@ static const struct ib_device_ops mana_ib_stats_ops = {
 	.get_hw_stats = mana_ib_get_hw_stats,
 };
 
+static const struct ib_device_ops mana_ib_device_stats_ops = {
+	.alloc_hw_device_stats = mana_ib_alloc_hw_device_stats,
+};
+
 static int mana_ib_netdev_event(struct notifier_block *this,
 				unsigned long event, void *ptr)
 {
@@ -153,6 +157,8 @@ static int mana_ib_probe(struct auxiliary_device *adev,
 		}
 
 		ib_set_device_ops(&dev->ib_dev, &mana_ib_stats_ops);
+		if (dev->adapter_caps.feature_flags & MANA_IB_FEATURE_DEV_COUNTERS_SUPPORT)
+			ib_set_device_ops(&dev->ib_dev, &mana_ib_device_stats_ops);
 
 		ret = mana_ib_create_eqs(dev);
 		if (ret) {
@@ -218,6 +224,9 @@ static void mana_ib_remove(struct auxiliary_device *adev)
 {
 	struct mana_ib_dev *dev = dev_get_drvdata(&adev->dev);
 
+	if (mana_ib_is_rnic(dev))
+		mana_drain_gsi_sqs(dev);
+
 	ib_unregister_device(&dev->ib_dev);
 	dma_pool_destroy(dev->av_pool);
 	if (mana_ib_is_rnic(dev)) {

drivers/infiniband/hw/mana/mana_ib.h

@@ -43,6 +43,8 @@
  */
 #define MANA_AV_BUFFER_SIZE	64
 
+#define MANA_GSI_QPN		(1)
+
 struct mana_ib_adapter_caps {
 	u32 max_sq_id;
 	u32 max_rq_id;
@@ -210,6 +212,7 @@ enum mana_ib_command_code {
 	MANA_IB_DESTROY_RC_QP   = 0x3000b,
 	MANA_IB_SET_QP_STATE	= 0x3000d,
 	MANA_IB_QUERY_VF_COUNTERS = 0x30022,
+	MANA_IB_QUERY_DEVICE_COUNTERS = 0x30023,
 };
 
 struct mana_ib_query_adapter_caps_req {
@@ -218,6 +221,7 @@ struct mana_ib_query_adapter_caps_req {
 
 enum mana_ib_adapter_features {
 	MANA_IB_FEATURE_CLIENT_ERROR_CQE_SUPPORT = BIT(4),
+	MANA_IB_FEATURE_DEV_COUNTERS_SUPPORT = BIT(5),
 };
 
 struct mana_ib_query_adapter_caps_resp {
@@ -407,7 +411,7 @@ struct mana_ib_ah_attr {
 	u8 traffic_class;
 	u16 src_port;
 	u16 dest_port;
-	u32 reserved;
+	u32 flow_label;
 };
 
 struct mana_rnic_set_qp_state_req {
@@ -424,8 +428,15 @@ struct mana_rnic_set_qp_state_req {
 	u32 retry_cnt;
 	u32 rnr_retry;
 	u32 min_rnr_timer;
-	u32 reserved;
+	u32 rate_limit;
 	struct mana_ib_ah_attr ah_attr;
+	u64 reserved1;
+	u32 qkey;
+	u32 qp_access_flags;
+	u8 local_ack_timeout;
+	u8 max_rd_atomic;
+	u16 reserved2;
+	u32 reserved3;
 }; /* HW Data */
 
 struct mana_rnic_set_qp_state_resp {
@@ -514,6 +525,31 @@ struct mana_rnic_query_vf_cntrs_resp {
 	u64 rate_inc_events;
 	u64 num_qps_recovered;
 	u64 current_rate;
+	u64 dup_rx_req;
+	u64 tx_bytes;
+	u64 rx_bytes;
+	u64 rx_send_req;
+	u64 rx_write_req;
+	u64 rx_read_req;
+	u64 tx_pkt;
+	u64 rx_pkt;
+}; /* HW Data */
+
+struct mana_rnic_query_device_cntrs_req {
+	struct gdma_req_hdr hdr;
+	mana_handle_t adapter;
+}; /* HW Data */
+
+struct mana_rnic_query_device_cntrs_resp {
+	struct gdma_resp_hdr hdr;
+	u32 sent_cnps;
+	u32 received_ecns;
+	u32 reserved1;
+	u32 received_cnp_count;
+	u32 qp_congested_events;
+	u32 qp_recovered_events;
+	u32 rate_inc_events;
+	u32 reserved2;
 }; /* HW Data */
 
 static inline struct gdma_context *mdev_to_gc(struct mana_ib_dev *mdev)
@@ -689,6 +725,7 @@ int mana_ib_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr,
 int mana_ib_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr,
 		      const struct ib_send_wr **bad_wr);
 
+void mana_drain_gsi_sqs(struct mana_ib_dev *mdev);
 int mana_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
 int mana_ib_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags);
 

drivers/infiniband/hw/mana/qp.c

@@ -735,6 +735,8 @@ static int mana_ib_gd_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
 	int err;
 
 	mana_gd_init_req_hdr(&req.hdr, MANA_IB_SET_QP_STATE, sizeof(req), sizeof(resp));
+
+	req.hdr.req.msg_version = GDMA_MESSAGE_V3;
 	req.hdr.dev_id = mdev->gdma_dev->dev_id;
 	req.adapter = mdev->adapter_handle;
 	req.qp_handle = qp->qp_handle;
@@ -748,6 +750,12 @@ static int mana_ib_gd_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
 	req.retry_cnt = attr->retry_cnt;
 	req.rnr_retry = attr->rnr_retry;
 	req.min_rnr_timer = attr->min_rnr_timer;
+	req.rate_limit = attr->rate_limit;
+	req.qkey = attr->qkey;
+	req.local_ack_timeout = attr->timeout;
+	req.qp_access_flags = attr->qp_access_flags;
+	req.max_rd_atomic = attr->max_rd_atomic;
+
 	if (attr_mask & IB_QP_AV) {
 		ndev = mana_ib_get_netdev(&mdev->ib_dev, ibqp->port);
 		if (!ndev) {
@@ -774,6 +782,7 @@ static int mana_ib_gd_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
 							  ibqp->qp_num, attr->dest_qp_num);
 		req.ah_attr.traffic_class = attr->ah_attr.grh.traffic_class >> 2;
 		req.ah_attr.hop_limit = attr->ah_attr.grh.hop_limit;
+		req.ah_attr.flow_label = attr->ah_attr.grh.flow_label;
 	}
 
 	err = mana_gd_send_request(gc, sizeof(req), &req, sizeof(resp), &resp);

drivers/net/ethernet/microsoft/Kconfig

@@ -22,6 +22,7 @@ config MICROSOFT_MANA
 	depends on PCI_HYPERV
 	select AUXILIARY_BUS
 	select PAGE_POOL
+	select NET_SHAPER
 	help
 	  This driver supports Microsoft Azure Network Adapter (MANA).
 	  So far, the driver is only supported on X86_64.