linux-kernel - [PATCH rdma-next 1/1] RDMA/mana

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Message-Id: <1757923172-4475-1-git-send-email-kotaranov@linux.microsoft.com>
Date: Mon, 15 Sep 2025 00:59:32 -0700
From: Konstantin Taranov <kotaranov@...ux.microsoft.com>
To: kotaranov@...rosoft.com,
	shirazsaleem@...rosoft.com,
	longli@...rosoft.com,
	jgg@...pe.ca,
	leon@...nel.org
Cc: linux-rdma@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH rdma-next 1/1] RDMA/mana_ib: Extend modify QP

From: Shiraz Saleem <shirazsaleem@...rosoft.com>

Extend modify QP to support further attributes: local_ack_timeout, UD qkey,
rate_limit, qp_access_flags, flow_label, max_rd_atomic.

Signed-off-by: Shiraz Saleem <shirazsaleem@...rosoft.com>
Signed-off-by: Konstantin Taranov <kotaranov@...rosoft.com>
---
 drivers/infiniband/hw/mana/mana_ib.h | 11 +++++++++--
 drivers/infiniband/hw/mana/qp.c      |  9 +++++++++
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/drivers/infiniband/hw/mana/mana_ib.h b/drivers/infiniband/hw/mana/mana_ib.h
index af09a3e6c..9d36232ed 100644
--- a/drivers/infiniband/hw/mana/mana_ib.h
+++ b/drivers/infiniband/hw/mana/mana_ib.h
@@ -412,7 +412,7 @@ 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 {
@@ -429,8 +429,15 @@ 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 {
diff --git a/drivers/infiniband/hw/mana/qp.c b/drivers/infiniband/hw/mana/qp.c
index a6bf4d539..48c1f4977 100644
--- a/drivers/infiniband/hw/mana/qp.c
+++ b/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);
-- 
2.43.0