Commit 2bd7dd38 authored by Shiraz Saleem's avatar Shiraz Saleem Committed by Leon Romanovsky
Browse files

RDMA/mana_ib: Extend modify QP 



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: default avatarShiraz Saleem <shirazsaleem@microsoft.com>
Signed-off-by: default avatarKonstantin Taranov <kotaranov@microsoft.com>
Link: https://patch.msgid.link/1757923172-4475-1-git-send-email-kotaranov@linux.microsoft.com


Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
parent 2bbe1255

drivers/infiniband/hw/mana/mana_ib.h

+9 −2
Original line number Diff line number Diff line
@@ -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 {

drivers/infiniband/hw/mana/qp.c

+9 −0
Original line number Diff line number Diff line
@@ -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);