RDMA/bnxt_re: Remove HW queue mapping from RoCE Driver

bnxt_en driver does the queue mapping for RoCE traffic. Removing the
queue mapping from RoCE driver.
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Link: https://lore.kernel.org/r/1680169540-10029-3-git-send-email-selvin.xavier@broadcom.comSigned-off-by: Leon Romanovsky <leon@kernel.org>

drivers/infiniband/hw/bnxt_re/main.c

@@ -921,49 +921,6 @@ static void bnxt_re_dispatch_event(struct ib_device *ibdev, struct ib_qp *qp,
 	}
 }
 
-#define HWRM_QUEUE_PRI2COS_QCFG_INPUT_FLAGS_IVLAN      0x02
-static int bnxt_re_query_hwrm_pri2cos(struct bnxt_re_dev *rdev, u8 dir,
-				      u64 *cid_map)
-{
-	struct hwrm_queue_pri2cos_qcfg_input req = {0};
-	struct hwrm_queue_pri2cos_qcfg_output resp;
-	struct bnxt_en_dev *en_dev = rdev->en_dev;
-	struct bnxt_fw_msg fw_msg;
-	u32 flags = 0;
-	u8 *qcfgmap, *tmp_map;
-	int rc = 0, i;
-
-	if (!cid_map)
-		return -EINVAL;
-
-	memset(&fw_msg, 0, sizeof(fw_msg));
-	bnxt_re_init_hwrm_hdr(rdev, (void *)&req,
-			      HWRM_QUEUE_PRI2COS_QCFG, -1, -1);
-	flags |= (dir & 0x01);
-	flags |= HWRM_QUEUE_PRI2COS_QCFG_INPUT_FLAGS_IVLAN;
-	req.flags = cpu_to_le32(flags);
-	req.port_id = en_dev->pf_port_id;
-
-	bnxt_re_fill_fw_msg(&fw_msg, (void *)&req, sizeof(req), (void *)&resp,
-			    sizeof(resp), DFLT_HWRM_CMD_TIMEOUT);
-	rc = bnxt_send_msg(en_dev, &fw_msg);
-	if (rc)
-		return rc;
-
-	if (resp.queue_cfg_info) {
-		ibdev_warn(&rdev->ibdev,
-			   "Asymmetric cos queue configuration detected");
-		ibdev_warn(&rdev->ibdev,
-			   " on device, QoS may not be fully functional\n");
-	}
-	qcfgmap = &resp.pri0_cos_queue_id;
-	tmp_map = (u8 *)cid_map;
-	for (i = 0; i < IEEE_8021QAZ_MAX_TCS; i++)
-		tmp_map[i] = qcfgmap[i];
-
-	return rc;
-}
-
 static bool bnxt_re_is_qp1_or_shadow_qp(struct bnxt_re_dev *rdev,
 					struct bnxt_re_qp *qp)
 {
@@ -1056,26 +1013,9 @@ static u32 bnxt_re_get_priority_mask(struct bnxt_re_dev *rdev)
 	return prio_map;
 }
 
-static void bnxt_re_parse_cid_map(u8 prio_map, u8 *cid_map, u16 *cosq)
-{
-	u16 prio;
-	u8 id;
-
-	for (prio = 0, id = 0; prio < 8; prio++) {
-		if (prio_map & (1 << prio)) {
-			cosq[id] = cid_map[prio];
-			id++;
-			if (id == 2) /* Max 2 tcs supported */
-				break;
-		}
-	}
-}
-
 static int bnxt_re_setup_qos(struct bnxt_re_dev *rdev)
 {
 	u8 prio_map = 0;
-	u64 cid_map;
-	int rc;
 
 	/* Get priority for roce */
 	prio_map = bnxt_re_get_priority_mask(rdev);
@@ -1083,23 +1023,6 @@ static int bnxt_re_setup_qos(struct bnxt_re_dev *rdev)
 	if (prio_map == rdev->cur_prio_map)
 		return 0;
 	rdev->cur_prio_map = prio_map;
-	/* Get cosq id for this priority */
-	rc = bnxt_re_query_hwrm_pri2cos(rdev, 0, &cid_map);
-	if (rc) {
-		ibdev_warn(&rdev->ibdev, "no cos for p_mask %x\n", prio_map);
-		return rc;
-	}
-	/* Parse CoS IDs for app priority */
-	bnxt_re_parse_cid_map(prio_map, (u8 *)&cid_map, rdev->cosq);
-
-	/* Config BONO. */
-	rc = bnxt_qplib_map_tc2cos(&rdev->qplib_res, rdev->cosq);
-	if (rc) {
-		ibdev_warn(&rdev->ibdev, "no tc for cos{%x, %x}\n",
-			   rdev->cosq[0], rdev->cosq[1]);
-		return rc;
-	}
-
 	/* Actual priorities are not programmed as they are already
 	 * done by L2 driver; just enable or disable priority vlan tagging
 	 */

drivers/infiniband/hw/bnxt_re/qplib_sp.c

@@ -679,21 +679,6 @@ int bnxt_qplib_free_fast_reg_page_list(struct bnxt_qplib_res *res,
 	return 0;
 }
 
-int bnxt_qplib_map_tc2cos(struct bnxt_qplib_res *res, u16 *cids)
-{
-	struct bnxt_qplib_rcfw *rcfw = res->rcfw;
-	struct cmdq_map_tc_to_cos req;
-	struct creq_map_tc_to_cos_resp resp;
-	u16 cmd_flags = 0;
-
-	RCFW_CMD_PREP(req, MAP_TC_TO_COS, cmd_flags);
-	req.cos0 = cpu_to_le16(cids[0]);
-	req.cos1 = cpu_to_le16(cids[1]);
-
-	return bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp,
-						NULL, 0);
-}
-
 int bnxt_qplib_get_roce_stats(struct bnxt_qplib_rcfw *rcfw,
 			      struct bnxt_qplib_roce_stats *stats)
 {

drivers/infiniband/hw/bnxt_re/qplib_sp.h

@@ -277,7 +277,6 @@ int bnxt_qplib_alloc_fast_reg_page_list(struct bnxt_qplib_res *res,
 					struct bnxt_qplib_frpl *frpl, int max);
 int bnxt_qplib_free_fast_reg_page_list(struct bnxt_qplib_res *res,
 				       struct bnxt_qplib_frpl *frpl);
-int bnxt_qplib_map_tc2cos(struct bnxt_qplib_res *res, u16 *cids);
 int bnxt_qplib_get_roce_stats(struct bnxt_qplib_rcfw *rcfw,
 			      struct bnxt_qplib_roce_stats *stats);
 int bnxt_qplib_qext_stat(struct bnxt_qplib_rcfw *rcfw, u32 fid,