From: Selvin Xavier <[email protected]>

Issue mailbox command to get the statistics counters
from the skyhawk hardware

Signed-off-by: Selvin Xavier <[email protected]>
Signed-off-by: Devesh Sharma <[email protected]>
---
 drivers/infiniband/hw/ocrdma/Makefile       |    2 +-
 drivers/infiniband/hw/ocrdma/ocrdma.h       |   28 ++
 drivers/infiniband/hw/ocrdma/ocrdma_hw.c    |   42 ++
 drivers/infiniband/hw/ocrdma/ocrdma_hw.h    |    1 +
 drivers/infiniband/hw/ocrdma/ocrdma_main.c  |    8 +
 drivers/infiniband/hw/ocrdma/ocrdma_sli.h   |  152 +++++++
 drivers/infiniband/hw/ocrdma/ocrdma_stats.c |  623 +++++++++++++++++++++++++++
 drivers/infiniband/hw/ocrdma/ocrdma_stats.h |   54 +++
 8 files changed, 909 insertions(+), 1 deletions(-)
 create mode 100644 drivers/infiniband/hw/ocrdma/ocrdma_stats.c
 create mode 100644 drivers/infiniband/hw/ocrdma/ocrdma_stats.h

diff --git a/drivers/infiniband/hw/ocrdma/Makefile 
b/drivers/infiniband/hw/ocrdma/Makefile
index 06a5bed..d1bfd4f 100644
--- a/drivers/infiniband/hw/ocrdma/Makefile
+++ b/drivers/infiniband/hw/ocrdma/Makefile
@@ -2,4 +2,4 @@ ccflags-y := -Idrivers/net/ethernet/emulex/benet
 
 obj-$(CONFIG_INFINIBAND_OCRDMA)        += ocrdma.o
 
-ocrdma-y :=    ocrdma_main.o ocrdma_verbs.o ocrdma_hw.o ocrdma_ah.o
+ocrdma-y :=    ocrdma_main.o ocrdma_verbs.o ocrdma_hw.o ocrdma_ah.o 
ocrdma_stats.o
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma.h 
b/drivers/infiniband/hw/ocrdma/ocrdma.h
index 885ac2e..3042c87 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma.h
+++ b/drivers/infiniband/hw/ocrdma/ocrdma.h
@@ -53,6 +53,8 @@
 
 #define OCRDMA_UVERBS(CMD_NAME) (1ull << IB_USER_VERBS_CMD_##CMD_NAME)
 
+#define convert_to_64bit(lo, hi) ((u64)hi << 32 | (u64)lo)
+
 struct ocrdma_dev_attr {
        u8 fw_ver[32];
        u32 vendor_id;
@@ -162,6 +164,18 @@ struct ocrdma_mr {
        struct ocrdma_hw_mr hwmr;
 };
 
+struct ocrdma_stats {
+       u8 type;
+       struct ocrdma_dev *dev;
+};
+
+struct stats_mem {
+       struct ocrdma_mqe mqe;
+       void *va;
+       dma_addr_t pa;
+       u32 size;
+       char *debugfs_mem;
+};
 
 struct phy_info {
        u16 auto_speeds_supported;
@@ -223,6 +237,20 @@ struct ocrdma_dev {
        struct ocrdma_mr *stag_arr[OCRDMA_MAX_STAG];
        u16 pvid;
        u32 asic_id;
+
+       ulong last_stats_time;
+       struct mutex stats_lock; /* provide synch for debugfs operations */
+       struct stats_mem stats_mem;
+       struct ocrdma_stats rsrc_stats;
+       struct ocrdma_stats rx_stats;
+       struct ocrdma_stats wqe_stats;
+       struct ocrdma_stats tx_stats;
+       struct ocrdma_stats db_err_stats;
+       struct ocrdma_stats tx_qp_err_stats;
+       struct ocrdma_stats rx_qp_err_stats;
+       struct ocrdma_stats tx_dbg_stats;
+       struct ocrdma_stats rx_dbg_stats;
+       struct dentry *dir;
 };
 
 struct ocrdma_cq {
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c 
b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
index 7c467b6..34cc74e 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
@@ -1176,6 +1176,48 @@ mbx_err:
        return status;
 }
 
+int ocrdma_mbx_rdma_stats(struct ocrdma_dev *dev, bool reset)
+{
+       struct ocrdma_rdma_stats_req *req = dev->stats_mem.va;
+       struct ocrdma_mqe *mqe = &dev->stats_mem.mqe;
+       struct ocrdma_rdma_stats_resp *old_stats = NULL;
+       int status;
+
+       old_stats = kzalloc(sizeof(*old_stats), GFP_KERNEL);
+       if (old_stats == NULL)
+               return -ENOMEM;
+
+       memset(mqe, 0, sizeof(*mqe));
+       mqe->hdr.pyld_len = dev->stats_mem.size;
+       mqe->hdr.spcl_sge_cnt_emb |=
+                       (1 << OCRDMA_MQE_HDR_SGE_CNT_SHIFT) &
+                               OCRDMA_MQE_HDR_SGE_CNT_MASK;
+       mqe->u.nonemb_req.sge[0].pa_lo = (u32) (dev->stats_mem.pa & 0xffffffff);
+       mqe->u.nonemb_req.sge[0].pa_hi = (u32) upper_32_bits(dev->stats_mem.pa);
+       mqe->u.nonemb_req.sge[0].len = dev->stats_mem.size;
+
+       /* Cache the old stats */
+       memcpy(old_stats, req, sizeof(struct ocrdma_rdma_stats_resp));
+       memset(req, 0, dev->stats_mem.size);
+
+       ocrdma_init_mch((struct ocrdma_mbx_hdr *)req,
+                       OCRDMA_CMD_GET_RDMA_STATS,
+                       OCRDMA_SUBSYS_ROCE,
+                       dev->stats_mem.size);
+       if (reset)
+               req->reset_stats = reset;
+
+       status = ocrdma_nonemb_mbx_cmd(dev, mqe, dev->stats_mem.va);
+       if (status)
+               /* Copy from cache, if mbox fails */
+               memcpy(req, old_stats, sizeof(struct ocrdma_rdma_stats_resp));
+       else
+               ocrdma_le32_to_cpu(req, dev->stats_mem.size);
+
+       kfree(old_stats);
+       return status;
+}
+
 int ocrdma_mbx_get_ctrl_attribs(struct ocrdma_dev *dev)
 {
        int status = -ENOMEM;
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.h 
b/drivers/infiniband/hw/ocrdma/ocrdma_hw.h
index c6561b7..0460bac 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.h
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.h
@@ -134,5 +134,6 @@ bool ocrdma_is_qp_in_rq_flushlist(struct ocrdma_cq *, 
struct ocrdma_qp *);
 void ocrdma_flush_qp(struct ocrdma_qp *);
 int ocrdma_get_irq(struct ocrdma_dev *dev, struct ocrdma_eq *eq);
 
+int ocrdma_mbx_rdma_stats(struct ocrdma_dev *, bool reset);
 char *port_speed_string(struct ocrdma_dev *dev);
 #endif                         /* __OCRDMA_HW_H__ */
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_main.c 
b/drivers/infiniband/hw/ocrdma/ocrdma_main.c
index a609b5c..ccb548a 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_main.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_main.c
@@ -39,6 +39,7 @@
 #include "ocrdma_ah.h"
 #include "be_roce.h"
 #include "ocrdma_hw.h"
+#include "ocrdma_stats.h"
 #include "ocrdma_abi.h"
 
 MODULE_VERSION(OCRDMA_ROCE_DRV_VERSION);
@@ -372,6 +373,9 @@ static struct ocrdma_dev *ocrdma_add(struct be_dev_info 
*dev_info)
        spin_lock(&ocrdma_devlist_lock);
        list_add_tail_rcu(&dev->entry, &ocrdma_dev_list);
        spin_unlock(&ocrdma_devlist_lock);
+       /* Init stats */
+       ocrdma_add_port_stats(dev);
+
        pr_info("%s %s: %s \"%s\" port %d\n",
                dev_name(&dev->nic_info.pdev->dev), hca_name(dev),
                port_speed_string(dev), dev->model_number,
@@ -406,6 +410,7 @@ static void ocrdma_remove(struct ocrdma_dev *dev)
        /* first unregister with stack to stop all the active traffic
         * of the registered clients.
         */
+       ocrdma_rem_port_stats(dev);
        ib_unregister_device(&dev->ibdev);
 
        spin_lock(&ocrdma_devlist_lock);
@@ -498,6 +503,8 @@ static int __init ocrdma_init_module(void)
 {
        int status;
 
+       ocrdma_init_debugfs();
+
        status = register_inetaddr_notifier(&ocrdma_inetaddr_notifier);
        if (status)
                return status;
@@ -519,6 +526,7 @@ static void __exit ocrdma_exit_module(void)
 {
        be_roce_unregister_driver(&ocrdma_drv);
        ocrdma_unregister_inet6addr_notifier();
+       ocrdma_rem_debugfs();
 }
 
 module_init(ocrdma_init_module);
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_sli.h 
b/drivers/infiniband/hw/ocrdma/ocrdma_sli.h
index 9e72aec..6e048b7 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_sli.h
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_sli.h
@@ -72,6 +72,7 @@ enum {
 
        OCRDMA_CMD_ATTACH_MCAST,
        OCRDMA_CMD_DETACH_MCAST,
+       OCRDMA_CMD_GET_RDMA_STATS,
 
        OCRDMA_CMD_MAX
 };
@@ -1745,6 +1746,157 @@ struct ocrdma_av {
        u32 valid;
 } __packed;
 
+struct ocrdma_rsrc_stats {
+       u32 dpp_pds;
+       u32 non_dpp_pds;
+       u32 rc_dpp_qps;
+       u32 uc_dpp_qps;
+       u32 ud_dpp_qps;
+       u32 rc_non_dpp_qps;
+       u32 rsvd;
+       u32 uc_non_dpp_qps;
+       u32 ud_non_dpp_qps;
+       u32 rsvd1;
+       u32 srqs;
+       u32 rbqs;
+       u32 r64K_nsmr;
+       u32 r64K_to_2M_nsmr;
+       u32 r2M_to_44M_nsmr;
+       u32 r44M_to_1G_nsmr;
+       u32 r1G_to_4G_nsmr;
+       u32 nsmr_count_4G_to_32G;
+       u32 r32G_to_64G_nsmr;
+       u32 r64G_to_128G_nsmr;
+       u32 r128G_to_higher_nsmr;
+       u32 embedded_nsmr;
+       u32 frmr;
+       u32 prefetch_qps;
+       u32 ondemand_qps;
+       u32 phy_mr;
+       u32 mw;
+       u32 rsvd2[7];
+};
+
+struct ocrdma_db_err_stats {
+       u32 sq_doorbell_errors;
+       u32 cq_doorbell_errors;
+       u32 rq_srq_doorbell_errors;
+       u32 cq_overflow_errors;
+       u32 rsvd[4];
+};
+
+struct ocrdma_wqe_stats {
+       u32 large_send_rc_wqes_lo;
+       u32 large_send_rc_wqes_hi;
+       u32 large_write_rc_wqes_lo;
+       u32 large_write_rc_wqes_hi;
+       u32 rsvd[4];
+       u32 read_wqes_lo;
+       u32 read_wqes_hi;
+       u32 frmr_wqes_lo;
+       u32 frmr_wqes_hi;
+       u32 mw_bind_wqes_lo;
+       u32 mw_bind_wqes_hi;
+       u32 invalidate_wqes_lo;
+       u32 invalidate_wqes_hi;
+       u32 rsvd1[2];
+       u32 dpp_wqe_drops;
+       u32 rsvd2[5];
+};
+
+struct ocrdma_tx_stats {
+       u32 send_pkts_lo;
+       u32 send_pkts_hi;
+       u32 write_pkts_lo;
+       u32 write_pkts_hi;
+       u32 read_pkts_lo;
+       u32 read_pkts_hi;
+       u32 read_rsp_pkts_lo;
+       u32 read_rsp_pkts_hi;
+       u32 ack_pkts_lo;
+       u32 ack_pkts_hi;
+       u32 send_bytes_lo;
+       u32 send_bytes_hi;
+       u32 write_bytes_lo;
+       u32 write_bytes_hi;
+       u32 read_req_bytes_lo;
+       u32 read_req_bytes_hi;
+       u32 read_rsp_bytes_lo;
+       u32 read_rsp_bytes_hi;
+       u32 ack_timeouts;
+       u32 rsvd[5];
+};
+
+
+struct ocrdma_tx_qp_err_stats {
+       u32 local_length_errors;
+       u32 local_protection_errors;
+       u32 local_qp_operation_errors;
+       u32 retry_count_exceeded_errors;
+       u32 rnr_retry_count_exceeded_errors;
+       u32 rsvd[3];
+};
+
+struct ocrdma_rx_stats {
+       u32 roce_frame_bytes_lo;
+       u32 roce_frame_bytes_hi;
+       u32 roce_frame_icrc_drops;
+       u32 roce_frame_payload_len_drops;
+       u32 ud_drops;
+       u32 qp1_drops;
+       u32 psn_error_request_packets;
+       u32 psn_error_resp_packets;
+       u32 rnr_nak_timeouts;
+       u32 rnr_nak_receives;
+       u32 roce_frame_rxmt_drops;
+       u32 nak_count_psn_sequence_errors;
+       u32 rc_drop_count_lookup_errors;
+       u32 rq_rnr_naks;
+       u32 srq_rnr_naks;
+       u32 roce_frames_lo;
+       u32 roce_frames_hi;
+       u32 rsvd;
+};
+
+struct ocrdma_rx_qp_err_stats {
+       u32 nak_invalid_requst_errors;
+       u32 nak_remote_operation_errors;
+       u32 nak_count_remote_access_errors;
+       u32 local_length_errors;
+       u32 local_protection_errors;
+       u32 local_qp_operation_errors;
+       u32 rsvd[2];
+};
+
+struct ocrdma_tx_dbg_stats {
+       u32 data[100];
+};
+
+struct ocrdma_rx_dbg_stats {
+       u32 data[200];
+};
+
+struct ocrdma_rdma_stats_req {
+       struct ocrdma_mbx_hdr hdr;
+       u8 reset_stats;
+       u8 rsvd[3];
+} __packed;
+
+struct ocrdma_rdma_stats_resp {
+       struct ocrdma_mbx_hdr hdr;
+       struct ocrdma_rsrc_stats act_rsrc_stats;
+       struct ocrdma_rsrc_stats th_rsrc_stats;
+       struct ocrdma_db_err_stats      db_err_stats;
+       struct ocrdma_wqe_stats         wqe_stats;
+       struct ocrdma_tx_stats          tx_stats;
+       struct ocrdma_tx_qp_err_stats   tx_qp_err_stats;
+       struct ocrdma_rx_stats          rx_stats;
+       struct ocrdma_rx_qp_err_stats   rx_qp_err_stats;
+       struct ocrdma_tx_dbg_stats      tx_dbg_stats;
+       struct ocrdma_rx_dbg_stats      rx_dbg_stats;
+} __packed;
+
+
 struct mgmt_hba_attribs {
        u8 flashrom_version_string[32];
        u8 manufacturer_name[32];
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_stats.c 
b/drivers/infiniband/hw/ocrdma/ocrdma_stats.c
new file mode 100644
index 0000000..6b3852a
--- /dev/null
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_stats.c
@@ -0,0 +1,623 @@
+/*******************************************************************
+ * This file is part of the Emulex RoCE Device Driver for          *
+ * RoCE (RDMA over Converged Ethernet) adapters.                   *
+ * Copyright (C) 2008-2014 Emulex. All rights reserved.            *
+ * EMULEX and SLI are trademarks of Emulex.                        *
+ * www.emulex.com                                                  *
+ *                                                                 *
+ * This program is free software; you can redistribute it and/or   *
+ * modify it under the terms of version 2 of the GNU General       *
+ * Public License as published by the Free Software Foundation.    *
+ * This program is distributed in the hope that it will be useful. *
+ * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
+ * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
+ * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
+ * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
+ * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
+ * more details, a copy of which can be found in the file COPYING  *
+ * included with this package.                                     *
+ *
+ * Contact Information:
+ * [email protected]
+ *
+ * Emulex
+ * 3333 Susan Street
+ * Costa Mesa, CA 92626
+ *******************************************************************/
+
+#include <rdma/ib_addr.h>
+#include "ocrdma_stats.h"
+
+static struct dentry *ocrdma_dbgfs_dir;
+
+static int ocrdma_add_stat(char *start, char *pcur,
+                               char *name, u64 count)
+{
+       char buff[128] = {0};
+       int cpy_len = 0;
+
+       snprintf(buff, 128, "%s: %llu\n", name, count);
+       cpy_len = strlen(buff);
+
+       if (pcur + cpy_len > start + OCRDMA_MAX_DBGFS_MEM) {
+               pr_err("%s: No space in stats buff\n", __func__);
+               return 0;
+       }
+
+       memcpy(pcur, buff, cpy_len);
+       return cpy_len;
+}
+
+static bool ocrdma_alloc_stats_mem(struct ocrdma_dev *dev)
+{
+       struct stats_mem *mem = &dev->stats_mem;
+
+       /* Alloc mbox command mem*/
+       mem->size = max_t(u32, sizeof(struct ocrdma_rdma_stats_req),
+                       sizeof(struct ocrdma_rdma_stats_resp));
+
+       mem->va   = dma_alloc_coherent(&dev->nic_info.pdev->dev, mem->size,
+                                        &mem->pa, GFP_KERNEL);
+       if (!mem->va) {
+               pr_err("%s: stats mbox allocation failed\n", __func__);
+               return false;
+       }
+
+       memset(mem->va, 0, mem->size);
+
+       /* Alloc debugfs mem */
+       mem->debugfs_mem = kzalloc(OCRDMA_MAX_DBGFS_MEM, GFP_KERNEL);
+       if (!mem->debugfs_mem) {
+               pr_err("%s: stats debugfs mem allocation failed\n", __func__);
+               return false;
+       }
+
+       return true;
+}
+
+static void ocrdma_release_stats_mem(struct ocrdma_dev *dev)
+{
+       struct stats_mem *mem = &dev->stats_mem;
+
+       if (mem->va)
+               dma_free_coherent(&dev->nic_info.pdev->dev, mem->size,
+                                 mem->va, mem->pa);
+       kfree(mem->debugfs_mem);
+}
+
+static char *ocrdma_resource_stats(struct ocrdma_dev *dev)
+{
+       char *stats = dev->stats_mem.debugfs_mem, *pcur;
+       struct ocrdma_rdma_stats_resp *rdma_stats =
+                       (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va;
+       struct ocrdma_rsrc_stats *rsrc_stats = &rdma_stats->act_rsrc_stats;
+
+       memset(stats, 0, (OCRDMA_MAX_DBGFS_MEM));
+
+       pcur = stats;
+       pcur += ocrdma_add_stat(stats, pcur, "active_dpp_pds",
+                               (u64)rsrc_stats->dpp_pds);
+       pcur += ocrdma_add_stat(stats, pcur, "active_non_dpp_pds",
+                               (u64)rsrc_stats->non_dpp_pds);
+       pcur += ocrdma_add_stat(stats, pcur, "active_rc_dpp_qps",
+                               (u64)rsrc_stats->rc_dpp_qps);
+       pcur += ocrdma_add_stat(stats, pcur, "active_uc_dpp_qps",
+                               (u64)rsrc_stats->uc_dpp_qps);
+       pcur += ocrdma_add_stat(stats, pcur, "active_ud_dpp_qps",
+                               (u64)rsrc_stats->ud_dpp_qps);
+       pcur += ocrdma_add_stat(stats, pcur, "active_rc_non_dpp_qps",
+                               (u64)rsrc_stats->rc_non_dpp_qps);
+       pcur += ocrdma_add_stat(stats, pcur, "active_uc_non_dpp_qps",
+                               (u64)rsrc_stats->uc_non_dpp_qps);
+       pcur += ocrdma_add_stat(stats, pcur, "active_ud_non_dpp_qps",
+                               (u64)rsrc_stats->ud_non_dpp_qps);
+       pcur += ocrdma_add_stat(stats, pcur, "active_srqs",
+                               (u64)rsrc_stats->srqs);
+       pcur += ocrdma_add_stat(stats, pcur, "active_rbqs",
+                               (u64)rsrc_stats->rbqs);
+       pcur += ocrdma_add_stat(stats, pcur, "active_64K_nsmr",
+                               (u64)rsrc_stats->r64K_nsmr);
+       pcur += ocrdma_add_stat(stats, pcur, "active_64K_to_2M_nsmr",
+                               (u64)rsrc_stats->r64K_to_2M_nsmr);
+       pcur += ocrdma_add_stat(stats, pcur, "active_2M_to_44M_nsmr",
+                               (u64)rsrc_stats->r2M_to_44M_nsmr);
+       pcur += ocrdma_add_stat(stats, pcur, "active_44M_to_1G_nsmr",
+                               (u64)rsrc_stats->r44M_to_1G_nsmr);
+       pcur += ocrdma_add_stat(stats, pcur, "active_1G_to_4G_nsmr",
+                               (u64)rsrc_stats->r1G_to_4G_nsmr);
+       pcur += ocrdma_add_stat(stats, pcur, "active_nsmr_count_4G_to_32G",
+                               (u64)rsrc_stats->nsmr_count_4G_to_32G);
+       pcur += ocrdma_add_stat(stats, pcur, "active_32G_to_64G_nsmr",
+                               (u64)rsrc_stats->r32G_to_64G_nsmr);
+       pcur += ocrdma_add_stat(stats, pcur, "active_64G_to_128G_nsmr",
+                               (u64)rsrc_stats->r64G_to_128G_nsmr);
+       pcur += ocrdma_add_stat(stats, pcur, "active_128G_to_higher_nsmr",
+                               (u64)rsrc_stats->r128G_to_higher_nsmr);
+       pcur += ocrdma_add_stat(stats, pcur, "active_embedded_nsmr",
+                               (u64)rsrc_stats->embedded_nsmr);
+       pcur += ocrdma_add_stat(stats, pcur, "active_frmr",
+                               (u64)rsrc_stats->frmr);
+       pcur += ocrdma_add_stat(stats, pcur, "active_prefetch_qps",
+                               (u64)rsrc_stats->prefetch_qps);
+       pcur += ocrdma_add_stat(stats, pcur, "active_ondemand_qps",
+                               (u64)rsrc_stats->ondemand_qps);
+       pcur += ocrdma_add_stat(stats, pcur, "active_phy_mr",
+                               (u64)rsrc_stats->phy_mr);
+       pcur += ocrdma_add_stat(stats, pcur, "active_mw",
+                               (u64)rsrc_stats->mw);
+
+       /* Print the threshold stats */
+       rsrc_stats = &rdma_stats->th_rsrc_stats;
+
+       pcur += ocrdma_add_stat(stats, pcur, "threshold_dpp_pds",
+                               (u64)rsrc_stats->dpp_pds);
+       pcur += ocrdma_add_stat(stats, pcur, "threshold_non_dpp_pds",
+                               (u64)rsrc_stats->non_dpp_pds);
+       pcur += ocrdma_add_stat(stats, pcur, "threshold_rc_dpp_qps",
+                               (u64)rsrc_stats->rc_dpp_qps);
+       pcur += ocrdma_add_stat(stats, pcur, "threshold_uc_dpp_qps",
+                               (u64)rsrc_stats->uc_dpp_qps);
+       pcur += ocrdma_add_stat(stats, pcur, "threshold_ud_dpp_qps",
+                               (u64)rsrc_stats->ud_dpp_qps);
+       pcur += ocrdma_add_stat(stats, pcur, "threshold_rc_non_dpp_qps",
+                               (u64)rsrc_stats->rc_non_dpp_qps);
+       pcur += ocrdma_add_stat(stats, pcur, "threshold_uc_non_dpp_qps",
+                               (u64)rsrc_stats->uc_non_dpp_qps);
+       pcur += ocrdma_add_stat(stats, pcur, "threshold_ud_non_dpp_qps",
+                               (u64)rsrc_stats->ud_non_dpp_qps);
+       pcur += ocrdma_add_stat(stats, pcur, "threshold_srqs",
+                               (u64)rsrc_stats->srqs);
+       pcur += ocrdma_add_stat(stats, pcur, "threshold_rbqs",
+                               (u64)rsrc_stats->rbqs);
+       pcur += ocrdma_add_stat(stats, pcur, "threshold_64K_nsmr",
+                               (u64)rsrc_stats->r64K_nsmr);
+       pcur += ocrdma_add_stat(stats, pcur, "threshold_64K_to_2M_nsmr",
+                               (u64)rsrc_stats->r64K_to_2M_nsmr);
+       pcur += ocrdma_add_stat(stats, pcur, "threshold_2M_to_44M_nsmr",
+                               (u64)rsrc_stats->r2M_to_44M_nsmr);
+       pcur += ocrdma_add_stat(stats, pcur, "threshold_44M_to_1G_nsmr",
+                               (u64)rsrc_stats->r44M_to_1G_nsmr);
+       pcur += ocrdma_add_stat(stats, pcur, "threshold_1G_to_4G_nsmr",
+                               (u64)rsrc_stats->r1G_to_4G_nsmr);
+       pcur += ocrdma_add_stat(stats, pcur, "threshold_nsmr_count_4G_to_32G",
+                               (u64)rsrc_stats->nsmr_count_4G_to_32G);
+       pcur += ocrdma_add_stat(stats, pcur, "threshold_32G_to_64G_nsmr",
+                               (u64)rsrc_stats->r32G_to_64G_nsmr);
+       pcur += ocrdma_add_stat(stats, pcur, "threshold_64G_to_128G_nsmr",
+                               (u64)rsrc_stats->r64G_to_128G_nsmr);
+       pcur += ocrdma_add_stat(stats, pcur, "threshold_128G_to_higher_nsmr",
+                               (u64)rsrc_stats->r128G_to_higher_nsmr);
+       pcur += ocrdma_add_stat(stats, pcur, "threshold_embedded_nsmr",
+                               (u64)rsrc_stats->embedded_nsmr);
+       pcur += ocrdma_add_stat(stats, pcur, "threshold_frmr",
+                               (u64)rsrc_stats->frmr);
+       pcur += ocrdma_add_stat(stats, pcur, "threshold_prefetch_qps",
+                               (u64)rsrc_stats->prefetch_qps);
+       pcur += ocrdma_add_stat(stats, pcur, "threshold_ondemand_qps",
+                               (u64)rsrc_stats->ondemand_qps);
+       pcur += ocrdma_add_stat(stats, pcur, "threshold_phy_mr",
+                               (u64)rsrc_stats->phy_mr);
+       pcur += ocrdma_add_stat(stats, pcur, "threshold_mw",
+                               (u64)rsrc_stats->mw);
+       return stats;
+}
+
+static char *ocrdma_rx_stats(struct ocrdma_dev *dev)
+{
+       char *stats = dev->stats_mem.debugfs_mem, *pcur;
+       struct ocrdma_rdma_stats_resp *rdma_stats =
+               (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va;
+       struct ocrdma_rx_stats *rx_stats = &rdma_stats->rx_stats;
+
+       memset(stats, 0, (OCRDMA_MAX_DBGFS_MEM));
+
+       pcur = stats;
+       pcur += ocrdma_add_stat
+               (stats, pcur, "roce_frame_bytes",
+                convert_to_64bit(rx_stats->roce_frame_bytes_lo,
+                rx_stats->roce_frame_bytes_hi));
+       pcur += ocrdma_add_stat(stats, pcur, "roce_frame_icrc_drops",
+                               (u64)rx_stats->roce_frame_icrc_drops);
+       pcur += ocrdma_add_stat(stats, pcur, "roce_frame_payload_len_drops",
+                               (u64)rx_stats->roce_frame_payload_len_drops);
+       pcur += ocrdma_add_stat(stats, pcur, "ud_drops",
+                               (u64)rx_stats->ud_drops);
+       pcur += ocrdma_add_stat(stats, pcur, "qp1_drops",
+                               (u64)rx_stats->qp1_drops);
+       pcur += ocrdma_add_stat(stats, pcur, "psn_error_request_packets",
+                               (u64)rx_stats->psn_error_request_packets);
+       pcur += ocrdma_add_stat(stats, pcur, "psn_error_resp_packets",
+                               (u64)rx_stats->psn_error_resp_packets);
+       pcur += ocrdma_add_stat(stats, pcur, "rnr_nak_timeouts",
+                               (u64)rx_stats->rnr_nak_timeouts);
+       pcur += ocrdma_add_stat(stats, pcur, "rnr_nak_receives",
+                               (u64)rx_stats->rnr_nak_receives);
+       pcur += ocrdma_add_stat(stats, pcur, "roce_frame_rxmt_drops",
+                               (u64)rx_stats->roce_frame_rxmt_drops);
+       pcur += ocrdma_add_stat(stats, pcur, "nak_count_psn_sequence_errors",
+                               (u64)rx_stats->nak_count_psn_sequence_errors);
+       pcur += ocrdma_add_stat(stats, pcur, "rc_drop_count_lookup_errors",
+                               (u64)rx_stats->rc_drop_count_lookup_errors);
+       pcur += ocrdma_add_stat(stats, pcur, "rq_rnr_naks",
+                               (u64)rx_stats->rq_rnr_naks);
+       pcur += ocrdma_add_stat(stats, pcur, "srq_rnr_naks",
+                               (u64)rx_stats->srq_rnr_naks);
+       pcur += ocrdma_add_stat(stats, pcur, "roce_frames",
+                               convert_to_64bit(rx_stats->roce_frames_lo,
+                                                rx_stats->roce_frames_hi));
+
+       return stats;
+}
+
+static char *ocrdma_tx_stats(struct ocrdma_dev *dev)
+{
+       char *stats = dev->stats_mem.debugfs_mem, *pcur;
+       struct ocrdma_rdma_stats_resp *rdma_stats =
+               (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va;
+       struct ocrdma_tx_stats *tx_stats = &rdma_stats->tx_stats;
+
+       memset(stats, 0, (OCRDMA_MAX_DBGFS_MEM));
+
+       pcur = stats;
+       pcur += ocrdma_add_stat(stats, pcur, "send_pkts",
+                               convert_to_64bit(tx_stats->send_pkts_lo,
+                                                tx_stats->send_pkts_hi));
+       pcur += ocrdma_add_stat(stats, pcur, "write_pkts",
+                               convert_to_64bit(tx_stats->write_pkts_lo,
+                                                tx_stats->write_pkts_hi));
+       pcur += ocrdma_add_stat(stats, pcur, "read_pkts",
+                               convert_to_64bit(tx_stats->read_pkts_lo,
+                                                tx_stats->read_pkts_hi));
+       pcur += ocrdma_add_stat(stats, pcur, "read_rsp_pkts",
+                               convert_to_64bit(tx_stats->read_rsp_pkts_lo,
+                                                tx_stats->read_rsp_pkts_hi));
+       pcur += ocrdma_add_stat(stats, pcur, "ack_pkts",
+                               convert_to_64bit(tx_stats->ack_pkts_lo,
+                                                tx_stats->ack_pkts_hi));
+       pcur += ocrdma_add_stat(stats, pcur, "send_bytes",
+                               convert_to_64bit(tx_stats->send_bytes_lo,
+                                                tx_stats->send_bytes_hi));
+       pcur += ocrdma_add_stat(stats, pcur, "write_bytes",
+                               convert_to_64bit(tx_stats->write_bytes_lo,
+                                                tx_stats->write_bytes_hi));
+       pcur += ocrdma_add_stat(stats, pcur, "read_req_bytes",
+                               convert_to_64bit(tx_stats->read_req_bytes_lo,
+                                                tx_stats->read_req_bytes_hi));
+       pcur += ocrdma_add_stat(stats, pcur, "read_rsp_bytes",
+                               convert_to_64bit(tx_stats->read_rsp_bytes_lo,
+                                                tx_stats->read_rsp_bytes_hi));
+       pcur += ocrdma_add_stat(stats, pcur, "ack_timeouts",
+                               (u64)tx_stats->ack_timeouts);
+
+       return stats;
+}
+
+static char *ocrdma_wqe_stats(struct ocrdma_dev *dev)
+{
+       char *stats = dev->stats_mem.debugfs_mem, *pcur;
+       struct ocrdma_rdma_stats_resp *rdma_stats =
+               (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va;
+       struct ocrdma_wqe_stats *wqe_stats = &rdma_stats->wqe_stats;
+
+       memset(stats, 0, (OCRDMA_MAX_DBGFS_MEM));
+
+       pcur = stats;
+       pcur += ocrdma_add_stat(stats, pcur, "large_send_rc_wqes",
+               convert_to_64bit(wqe_stats->large_send_rc_wqes_lo,
+                                wqe_stats->large_send_rc_wqes_hi));
+       pcur += ocrdma_add_stat(stats, pcur, "large_write_rc_wqes",
+               convert_to_64bit(wqe_stats->large_write_rc_wqes_lo,
+                                wqe_stats->large_write_rc_wqes_hi));
+       pcur += ocrdma_add_stat(stats, pcur, "read_wqes",
+                               convert_to_64bit(wqe_stats->read_wqes_lo,
+                                                wqe_stats->read_wqes_hi));
+       pcur += ocrdma_add_stat(stats, pcur, "frmr_wqes",
+                               convert_to_64bit(wqe_stats->frmr_wqes_lo,
+                                                wqe_stats->frmr_wqes_hi));
+       pcur += ocrdma_add_stat(stats, pcur, "mw_bind_wqes",
+                               convert_to_64bit(wqe_stats->mw_bind_wqes_lo,
+                                                wqe_stats->mw_bind_wqes_hi));
+       pcur += ocrdma_add_stat(stats, pcur, "invalidate_wqes",
+               convert_to_64bit(wqe_stats->invalidate_wqes_lo,
+                                wqe_stats->invalidate_wqes_hi));
+       pcur += ocrdma_add_stat(stats, pcur, "dpp_wqe_drops",
+                               (u64)wqe_stats->dpp_wqe_drops);
+       return stats;
+}
+
+static char *ocrdma_db_errstats(struct ocrdma_dev *dev)
+{
+       char *stats = dev->stats_mem.debugfs_mem, *pcur;
+       struct ocrdma_rdma_stats_resp *rdma_stats =
+               (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va;
+       struct ocrdma_db_err_stats *db_err_stats = &rdma_stats->db_err_stats;
+
+       memset(stats, 0, (OCRDMA_MAX_DBGFS_MEM));
+
+       pcur = stats;
+       pcur += ocrdma_add_stat(stats, pcur, "sq_doorbell_errors",
+                               (u64)db_err_stats->sq_doorbell_errors);
+       pcur += ocrdma_add_stat(stats, pcur, "cq_doorbell_errors",
+                               (u64)db_err_stats->cq_doorbell_errors);
+       pcur += ocrdma_add_stat(stats, pcur, "rq_srq_doorbell_errors",
+                               (u64)db_err_stats->rq_srq_doorbell_errors);
+       pcur += ocrdma_add_stat(stats, pcur, "cq_overflow_errors",
+                               (u64)db_err_stats->cq_overflow_errors);
+       return stats;
+}
+
+static char *ocrdma_rxqp_errstats(struct ocrdma_dev *dev)
+{
+       char *stats = dev->stats_mem.debugfs_mem, *pcur;
+       struct ocrdma_rdma_stats_resp *rdma_stats =
+               (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va;
+       struct ocrdma_rx_qp_err_stats *rx_qp_err_stats =
+                &rdma_stats->rx_qp_err_stats;
+
+       memset(stats, 0, (OCRDMA_MAX_DBGFS_MEM));
+
+       pcur = stats;
+       pcur += ocrdma_add_stat(stats, pcur, "nak_invalid_requst_errors",
+                       (u64)rx_qp_err_stats->nak_invalid_requst_errors);
+       pcur += ocrdma_add_stat(stats, pcur, "nak_remote_operation_errors",
+                       (u64)rx_qp_err_stats->nak_remote_operation_errors);
+       pcur += ocrdma_add_stat(stats, pcur, "nak_count_remote_access_errors",
+                       (u64)rx_qp_err_stats->nak_count_remote_access_errors);
+       pcur += ocrdma_add_stat(stats, pcur, "local_length_errors",
+                       (u64)rx_qp_err_stats->local_length_errors);
+       pcur += ocrdma_add_stat(stats, pcur, "local_protection_errors",
+                       (u64)rx_qp_err_stats->local_protection_errors);
+       pcur += ocrdma_add_stat(stats, pcur, "local_qp_operation_errors",
+                       (u64)rx_qp_err_stats->local_qp_operation_errors);
+       return stats;
+}
+
+static char *ocrdma_txqp_errstats(struct ocrdma_dev *dev)
+{
+       char *stats = dev->stats_mem.debugfs_mem, *pcur;
+       struct ocrdma_rdma_stats_resp *rdma_stats =
+               (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va;
+       struct ocrdma_tx_qp_err_stats *tx_qp_err_stats =
+               &rdma_stats->tx_qp_err_stats;
+
+       memset(stats, 0, (OCRDMA_MAX_DBGFS_MEM));
+
+       pcur = stats;
+       pcur += ocrdma_add_stat(stats, pcur, "local_length_errors",
+                       (u64)tx_qp_err_stats->local_length_errors);
+       pcur += ocrdma_add_stat(stats, pcur, "local_protection_errors",
+                       (u64)tx_qp_err_stats->local_protection_errors);
+       pcur += ocrdma_add_stat(stats, pcur, "local_qp_operation_errors",
+                       (u64)tx_qp_err_stats->local_qp_operation_errors);
+       pcur += ocrdma_add_stat(stats, pcur, "retry_count_exceeded_errors",
+                       (u64)tx_qp_err_stats->retry_count_exceeded_errors);
+       pcur += ocrdma_add_stat(stats, pcur, "rnr_retry_count_exceeded_errors",
+                       (u64)tx_qp_err_stats->rnr_retry_count_exceeded_errors);
+       return stats;
+}
+
+static char *ocrdma_tx_dbg_stats(struct ocrdma_dev *dev)
+{
+       int i;
+       char *pstats = dev->stats_mem.debugfs_mem;
+       struct ocrdma_rdma_stats_resp *rdma_stats =
+               (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va;
+       struct ocrdma_tx_dbg_stats *tx_dbg_stats =
+               &rdma_stats->tx_dbg_stats;
+
+       memset(pstats, 0, (OCRDMA_MAX_DBGFS_MEM));
+
+       for (i = 0; i < 100; i++)
+               pstats += snprintf(pstats, 80, "DW[%d] = 0x%x\n", i,
+                                tx_dbg_stats->data[i]);
+
+       return dev->stats_mem.debugfs_mem;
+}
+
+static char *ocrdma_rx_dbg_stats(struct ocrdma_dev *dev)
+{
+       int i;
+       char *pstats = dev->stats_mem.debugfs_mem;
+       struct ocrdma_rdma_stats_resp *rdma_stats =
+               (struct ocrdma_rdma_stats_resp *)dev->stats_mem.va;
+       struct ocrdma_rx_dbg_stats *rx_dbg_stats =
+               &rdma_stats->rx_dbg_stats;
+
+       memset(pstats, 0, (OCRDMA_MAX_DBGFS_MEM));
+
+       for (i = 0; i < 200; i++)
+               pstats += snprintf(pstats, 80, "DW[%d] = 0x%x\n", i,
+                                rx_dbg_stats->data[i]);
+
+       return dev->stats_mem.debugfs_mem;
+}
+
+static void ocrdma_update_stats(struct ocrdma_dev *dev)
+{
+       ulong now = jiffies, secs;
+       int status = 0;
+
+       secs = jiffies_to_msecs(now - dev->last_stats_time) / 1000U;
+       if (secs) {
+               /* update */
+               status = ocrdma_mbx_rdma_stats(dev, false);
+               if (status)
+                       pr_err("%s: stats mbox failed with status = %d\n",
+                              __func__, status);
+               dev->last_stats_time = jiffies;
+       }
+}
+
+static ssize_t ocrdma_dbgfs_ops_read(struct file *filp, char __user *buffer,
+                                       size_t usr_buf_len, loff_t *ppos)
+{
+       struct ocrdma_stats *pstats = filp->private_data;
+       struct ocrdma_dev *dev = pstats->dev;
+       ssize_t status = 0;
+       char *data = NULL;
+
+       /* No partial reads */
+       if (*ppos != 0)
+               return 0;
+
+       mutex_lock(&dev->stats_lock);
+
+       ocrdma_update_stats(dev);
+
+       switch (pstats->type) {
+       case OCRDMA_RSRC_STATS:
+               data = ocrdma_resource_stats(dev);
+               break;
+       case OCRDMA_RXSTATS:
+               data = ocrdma_rx_stats(dev);
+               break;
+       case OCRDMA_WQESTATS:
+               data = ocrdma_wqe_stats(dev);
+               break;
+       case OCRDMA_TXSTATS:
+               data = ocrdma_tx_stats(dev);
+               break;
+       case OCRDMA_DB_ERRSTATS:
+               data = ocrdma_db_errstats(dev);
+               break;
+       case OCRDMA_RXQP_ERRSTATS:
+               data = ocrdma_rxqp_errstats(dev);
+               break;
+       case OCRDMA_TXQP_ERRSTATS:
+               data = ocrdma_txqp_errstats(dev);
+               break;
+       case OCRDMA_TX_DBG_STATS:
+               data = ocrdma_tx_dbg_stats(dev);
+               break;
+       case OCRDMA_RX_DBG_STATS:
+               data = ocrdma_rx_dbg_stats(dev);
+               break;
+
+       default:
+               status = -EFAULT;
+               goto exit;
+       }
+
+       if (usr_buf_len < strlen(data)) {
+               status = -ENOSPC;
+               goto exit;
+       }
+
+       status = simple_read_from_buffer(buffer, usr_buf_len, ppos, data,
+                                        strlen(data));
+exit:
+       mutex_unlock(&dev->stats_lock);
+       return status;
+}
+
+int ocrdma_debugfs_open(struct inode *inode, struct file *file)
+{
+       if (inode->i_private)
+               file->private_data = inode->i_private;
+       return 0;
+}
+
+static const struct file_operations ocrdma_dbg_ops = {
+       .owner = THIS_MODULE,
+       .open = ocrdma_debugfs_open,
+       .read = ocrdma_dbgfs_ops_read,
+};
+
+void ocrdma_add_port_stats(struct ocrdma_dev *dev)
+{
+       if (!ocrdma_dbgfs_dir)
+               return;
+
+       /* Create post stats base dir */
+       dev->dir = debugfs_create_dir(dev->ibdev.name, ocrdma_dbgfs_dir);
+       if (!dev->dir)
+               goto err;
+
+       dev->rsrc_stats.type = OCRDMA_RSRC_STATS;
+       dev->rsrc_stats.dev = dev;
+       if (!debugfs_create_file("resource_stats", S_IRUSR, dev->dir,
+                                &dev->rsrc_stats, &ocrdma_dbg_ops))
+               goto err;
+
+       dev->rx_stats.type = OCRDMA_RXSTATS;
+       dev->rx_stats.dev = dev;
+       if (!debugfs_create_file("rx_stats", S_IRUSR, dev->dir,
+                                &dev->rx_stats, &ocrdma_dbg_ops))
+               goto err;
+
+       dev->wqe_stats.type = OCRDMA_WQESTATS;
+       dev->wqe_stats.dev = dev;
+       if (!debugfs_create_file("wqe_stats", S_IRUSR, dev->dir,
+                                &dev->wqe_stats, &ocrdma_dbg_ops))
+               goto err;
+
+       dev->tx_stats.type = OCRDMA_TXSTATS;
+       dev->tx_stats.dev = dev;
+       if (!debugfs_create_file("tx_stats", S_IRUSR, dev->dir,
+                                &dev->tx_stats, &ocrdma_dbg_ops))
+               goto err;
+
+       dev->db_err_stats.type = OCRDMA_DB_ERRSTATS;
+       dev->db_err_stats.dev = dev;
+       if (!debugfs_create_file("db_err_stats", S_IRUSR, dev->dir,
+                                &dev->db_err_stats, &ocrdma_dbg_ops))
+               goto err;
+
+
+       dev->tx_qp_err_stats.type = OCRDMA_TXQP_ERRSTATS;
+       dev->tx_qp_err_stats.dev = dev;
+       if (!debugfs_create_file("tx_qp_err_stats", S_IRUSR, dev->dir,
+                                &dev->tx_qp_err_stats, &ocrdma_dbg_ops))
+               goto err;
+
+       dev->rx_qp_err_stats.type = OCRDMA_RXQP_ERRSTATS;
+       dev->rx_qp_err_stats.dev = dev;
+       if (!debugfs_create_file("rx_qp_err_stats", S_IRUSR, dev->dir,
+                                &dev->rx_qp_err_stats, &ocrdma_dbg_ops))
+               goto err;
+
+
+       dev->tx_dbg_stats.type = OCRDMA_TX_DBG_STATS;
+       dev->tx_dbg_stats.dev = dev;
+       if (!debugfs_create_file("tx_dbg_stats", S_IRUSR, dev->dir,
+                                &dev->tx_dbg_stats, &ocrdma_dbg_ops))
+               goto err;
+
+       dev->rx_dbg_stats.type = OCRDMA_RX_DBG_STATS;
+       dev->rx_dbg_stats.dev = dev;
+       if (!debugfs_create_file("rx_dbg_stats", S_IRUSR, dev->dir,
+                                &dev->rx_dbg_stats, &ocrdma_dbg_ops))
+               goto err;
+
+       /* Now create dma_mem for stats mbx command */
+       if (!ocrdma_alloc_stats_mem(dev))
+               goto err;
+
+       mutex_init(&dev->stats_lock);
+
+       return;
+err:
+       ocrdma_release_stats_mem(dev);
+       debugfs_remove_recursive(dev->dir);
+       dev->dir = NULL;
+}
+
+void ocrdma_rem_port_stats(struct ocrdma_dev *dev)
+{
+       if (!dev->dir)
+               return;
+       mutex_destroy(&dev->stats_lock);
+       ocrdma_release_stats_mem(dev);
+       debugfs_remove(dev->dir);
+}
+
+void ocrdma_init_debugfs(void)
+{
+       /* Create base dir in debugfs root dir */
+       ocrdma_dbgfs_dir = debugfs_create_dir("ocrdma", NULL);
+}
+
+void ocrdma_rem_debugfs(void)
+{
+       debugfs_remove_recursive(ocrdma_dbgfs_dir);
+}
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_stats.h 
b/drivers/infiniband/hw/ocrdma/ocrdma_stats.h
new file mode 100644
index 0000000..5f5e20c
--- /dev/null
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_stats.h
@@ -0,0 +1,54 @@
+/*******************************************************************
+ * This file is part of the Emulex RoCE Device Driver for          *
+ * RoCE (RDMA over Converged Ethernet) adapters.                   *
+ * Copyright (C) 2008-2014 Emulex. All rights reserved.            *
+ * EMULEX and SLI are trademarks of Emulex.                        *
+ * www.emulex.com                                                  *
+ *                                                                 *
+ * This program is free software; you can redistribute it and/or   *
+ * modify it under the terms of version 2 of the GNU General       *
+ * Public License as published by the Free Software Foundation.    *
+ * This program is distributed in the hope that it will be useful. *
+ * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
+ * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
+ * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
+ * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
+ * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
+ * more details, a copy of which can be found in the file COPYING  *
+ * included with this package.                                     *
+ *
+ * Contact Information:
+ * [email protected]
+ *
+ * Emulex
+ * 3333 Susan Street
+ * Costa Mesa, CA 92626
+ *******************************************************************/
+
+#ifndef __OCRDMA_STATS_H__
+#define __OCRDMA_STATS_H__
+
+#include <linux/debugfs.h>
+#include "ocrdma.h"
+#include "ocrdma_hw.h"
+
+#define OCRDMA_MAX_DBGFS_MEM 4096
+
+enum OCRDMA_STATS_TYPE {
+       OCRDMA_RSRC_STATS,
+       OCRDMA_RXSTATS,
+       OCRDMA_WQESTATS,
+       OCRDMA_TXSTATS,
+       OCRDMA_DB_ERRSTATS,
+       OCRDMA_RXQP_ERRSTATS,
+       OCRDMA_TXQP_ERRSTATS,
+       OCRDMA_TX_DBG_STATS,
+       OCRDMA_RX_DBG_STATS
+};
+
+void ocrdma_rem_debugfs(void);
+void ocrdma_init_debugfs(void);
+void ocrdma_rem_port_stats(struct ocrdma_dev *dev);
+void ocrdma_add_port_stats(struct ocrdma_dev *dev);
+
+#endif /* __OCRDMA_STATS_H__ */
-- 
1.7.1

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