@@ -1,6 +1,6 @@
ccflags-y := -Idrivers/net/ethernet/broadcom/bnxt
obj-$(CONFIG_INFINIBAND_BNXTRE) += bnxt_re.o
-bnxt_re-y := bnxt_re_main.o bnxt_re_ib_verbs.o \
+bnxt_re-y := bnxt_re_main.o bnxt_re_ib_verbs.o bnxt_re_debugfs.o \
bnxt_qplib_res.o bnxt_qplib_rcfw.o \
bnxt_qplib_sp.o bnxt_qplib_fp.o
new file mode 100644
@@ -0,0 +1,136 @@
+
+/* Broadcom NetXtreme-C/E network driver.
+ *
+ * Copyright (c) 2014-2016 Broadcom Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation.
+ *
+ */
+
+/*
+ * Description: DebugFS specifics
+ */
+
+#include <linux/module.h>
+#include <linux/interrupt.h>
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
+#include <linux/netdevice.h>
+
+#include <rdma/ib_verbs.h>
+#include "bnxt_re_hsi.h"
+#include "bnxt_ulp.h"
+#include "bnxt_qplib_res.h"
+#include "bnxt_qplib_sp.h"
+#include "bnxt_qplib_fp.h"
+#include "bnxt_qplib_rcfw.h"
+
+#include "bnxt_re.h"
+#include "bnxt_re_debugfs.h"
+
+static struct dentry *bnxt_re_debugfs_root;
+static struct dentry *bnxt_re_debugfs_info;
+
+static ssize_t bnxt_re_debugfs_clear(struct file *fil, const char __user *u,
+ size_t size, loff_t *off)
+{
+ return size;
+}
+
+static int bnxt_re_debugfs_show(struct seq_file *s, void *unused)
+{
+ struct bnxt_re_dev *rdev;
+
+ seq_puts(s, "bnxt_re debug info:\n");
+
+ mutex_lock(&bnxt_re_dev_lock);
+ list_for_each_entry(rdev, &bnxt_re_dev_list, list) {
+ struct ctx_hw_stats *stats = rdev->qplib_ctx.stats.dma;
+
+ seq_printf(s, "=====[ IBDEV %s ]=============================\n",
+ rdev->ibdev.name);
+ if (rdev->netdev)
+ seq_printf(s, "\tlink state: %s\n",
+ test_bit(__LINK_STATE_START,
+ &rdev->netdev->state) ?
+ (test_bit(__LINK_STATE_NOCARRIER,
+ &rdev->netdev->state) ?
+ "DOWN" : "UP") : "DOWN");
+ seq_printf(s, "\tMax QP: 0x%x\n", rdev->dev_attr.max_qp);
+ seq_printf(s, "\tMax SRQ: 0x%x\n", rdev->dev_attr.max_srq);
+ seq_printf(s, "\tMax CQ: 0x%x\n", rdev->dev_attr.max_cq);
+ seq_printf(s, "\tMax MR: 0x%x\n", rdev->dev_attr.max_mr);
+ seq_printf(s, "\tMax MW: 0x%x\n", rdev->dev_attr.max_mw);
+
+ seq_printf(s, "\tActive QP: %d\n",
+ atomic_read(&rdev->qp_count));
+ seq_printf(s, "\tActive SRQ: %d\n",
+ atomic_read(&rdev->srq_count));
+ seq_printf(s, "\tActive CQ: %d\n",
+ atomic_read(&rdev->cq_count));
+ seq_printf(s, "\tActive MR: %d\n",
+ atomic_read(&rdev->mr_count));
+ seq_printf(s, "\tActive MW: %d\n",
+ atomic_read(&rdev->mw_count));
+ seq_printf(s, "\tRx Pkts: %lld\n",
+ stats ? stats->rx_ucast_pkts : 0);
+ seq_printf(s, "\tRx Bytes: %lld\n",
+ stats ? stats->rx_ucast_bytes : 0);
+ seq_printf(s, "\tTx Pkts: %lld\n",
+ stats ? stats->tx_ucast_pkts : 0);
+ seq_printf(s, "\tTx Bytes: %lld\n",
+ stats ? stats->tx_ucast_bytes : 0);
+ seq_printf(s, "\tRecoverable Errors: %lld\n",
+ stats ? stats->tx_bcast_pkts : 0);
+ seq_puts(s, "\n");
+ }
+ mutex_unlock(&bnxt_re_dev_lock);
+ return 0;
+}
+
+static int bnxt_re_debugfs_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, bnxt_re_debugfs_show, NULL);
+}
+
+static int bnxt_re_debugfs_release(struct inode *inode, struct file *file)
+{
+ return single_release(inode, file);
+}
+
+static const struct file_operations bnxt_re_dbg_ops = {
+ .owner = THIS_MODULE,
+ .open = bnxt_re_debugfs_open,
+ .read = seq_read,
+ .write = bnxt_re_debugfs_clear,
+ .llseek = seq_lseek,
+ .release = bnxt_re_debugfs_release,
+};
+
+void bnxt_re_debugfs_remove(void)
+{
+ debugfs_remove_recursive(bnxt_re_debugfs_root);
+ bnxt_re_debugfs_root = NULL;
+}
+
+void bnxt_re_debugfs_init(void)
+{
+ bnxt_re_debugfs_root = debugfs_create_dir(ROCE_DRV_MODULE_NAME, NULL);
+ if (IS_ERR_OR_NULL(bnxt_re_debugfs_root)) {
+ dev_dbg(NULL, "%s: Unable to create debugfs root directory ",
+ ROCE_DRV_MODULE_NAME);
+ dev_dbg(NULL, "with err 0x%lx", PTR_ERR(bnxt_re_debugfs_root));
+ return;
+ }
+ bnxt_re_debugfs_info = debugfs_create_file("info", 0400,
+ bnxt_re_debugfs_root, NULL,
+ &bnxt_re_dbg_ops);
+ if (IS_ERR_OR_NULL(bnxt_re_debugfs_info)) {
+ dev_dbg(NULL, "%s: Unable to create debugfs info node ",
+ ROCE_DRV_MODULE_NAME);
+ dev_dbg(NULL, "with err 0x%lx", PTR_ERR(bnxt_re_debugfs_info));
+ bnxt_re_debugfs_remove();
+ }
+}
new file mode 100644
@@ -0,0 +1,25 @@
+
+/* Broadcom NetXtreme-C/E network driver.
+ *
+ * Copyright (c) 2014-2016 Broadcom Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation.
+ *
+ */
+
+/*
+ * Description: DebugFS header
+ */
+
+#ifndef __BNXT_RE_DEBUGFS__
+#define __BNXT_RE_DEBUGFS__
+
+extern struct list_head bnxt_re_dev_list;
+extern struct mutex bnxt_re_dev_lock;
+
+void bnxt_re_debugfs_init(void);
+void bnxt_re_debugfs_remove(void);
+
+#endif
@@ -34,6 +34,7 @@
#include "bnxt_qplib_fp.h"
#include "bnxt_qplib_rcfw.h"
#include "bnxt_re.h"
+#include "bnxt_re_debugfs.h"
#include "bnxt_re_ib_verbs.h"
#include "bnxt.h"
static char version[] =
@@ -1252,6 +1253,7 @@ static int __init bnxt_re_mod_init(void)
if (!bnxt_re_wq)
return -ENOMEM;
+ bnxt_re_debugfs_init();
INIT_LIST_HEAD(&bnxt_re_dev_list);
rc = register_netdevice_notifier(&bnxt_re_netdev_notifier);
@@ -1263,6 +1265,7 @@ static int __init bnxt_re_mod_init(void)
return 0;
err_netdev:
+ bnxt_re_debugfs_remove();
destroy_workqueue(bnxt_re_wq);
return rc;
@@ -1291,6 +1294,7 @@ static void __exit bnxt_re_mod_exit(void)
}
unregister_netdevice_notifier(&bnxt_re_netdev_notifier);
+ bnxt_re_debugfs_remove();
if (bnxt_re_wq)
destroy_workqueue(bnxt_re_wq);
}