Commit 6027c20d authored by Selvin Xavier's avatar Selvin Xavier Committed by Leon Romanovsky
Browse files

RDMA/bnxt_re: Get the toggle bits from CQ completions 



Get the toggle bits from CQ completions. For older adapters
these values are 0.

Signed-off-by: default avatarSelvin Xavier <selvin.xavier@broadcom.com>
Link: https://lore.kernel.org/r/1701946060-13931-5-git-send-email-selvin.xavier@broadcom.com


Signed-off-by: default avatarLeon Romanovsky <leon@kernel.org>
parent 880a5dd1

drivers/infiniband/hw/bnxt_re/qplib_fp.c

+6 −0
Original line number Diff line number Diff line
@@ -330,6 +330,9 @@ static void bnxt_qplib_service_nq(struct tasklet_struct *t) 
			cq = (struct bnxt_qplib_cq *)(unsigned long)q_handle;

			if (!cq)

				break;

			cq->toggle = (le16_to_cpu(nqe->info10_type) &

					NQ_CN_TOGGLE_MASK) >> NQ_CN_TOGGLE_SFT;

			cq->dbinfo.toggle = cq->toggle;

			bnxt_qplib_armen_db(&cq->dbinfo,

					    DBC_DBC_TYPE_CQ_ARMENA);

			spin_lock_bh(&cq->compl_lock);
@@ -2124,6 +2127,8 @@ int bnxt_qplib_create_cq(struct bnxt_qplib_res *res, struct bnxt_qplib_cq *cq) 
	cq->dbinfo.xid = cq->id;

	cq->dbinfo.db = cq->dpi->dbr;

	cq->dbinfo.priv_db = res->dpi_tbl.priv_db;

	cq->dbinfo.flags = 0;

	cq->dbinfo.toggle = 0;



	bnxt_qplib_armen_db(&cq->dbinfo, DBC_DBC_TYPE_CQ_ARMENA);
@@ -3018,6 +3023,7 @@ int bnxt_qplib_poll_cq(struct bnxt_qplib_cq *cq, struct bnxt_qplib_cqe *cqe, 


void bnxt_qplib_req_notify_cq(struct bnxt_qplib_cq *cq, u32 arm_type)

{

	cq->dbinfo.toggle = cq->toggle;

	if (arm_type)

		bnxt_qplib_ring_db(&cq->dbinfo, arm_type);

	/* Using cq->arm_state variable to track whether to issue cq handler */

drivers/infiniband/hw/bnxt_re/qplib_fp.h

+1 −0
Original line number Diff line number Diff line
@@ -418,6 +418,7 @@ struct bnxt_qplib_cq { 
	bool				resize_in_progress;

	struct bnxt_qplib_sg_info	sg_info;

	u64				cq_handle;

	u8				toggle;



#define CQ_RESIZE_WAIT_TIME_MS		500

	unsigned long			flags;

drivers/infiniband/hw/bnxt_re/qplib_res.h

+1 −0
Original line number Diff line number Diff line
@@ -190,6 +190,7 @@ struct bnxt_qplib_db_info { 
	u32			xid;

	u32			max_slot;

	u32                     flags;

	u8			toggle;

};



enum bnxt_qplib_db_info_flags_mask {