@@ -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
@@ -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 {
@@ -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;
@@ -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__ */
@@ -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);
@@ -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];
new file mode 100644
@@ -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:
+ * linux-drivers@emulex.com
+ *
+ * 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);
+}
new file mode 100644
@@ -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:
+ * linux-drivers@emulex.com
+ *
+ * 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__ */