diff options
author | Madalin Bucur <madalin.bucur@freescale.com> | 2013-04-19 20:07:57 (GMT) |
---|---|---|
committer | Fleming Andrew-AFLEMING <AFLEMING@freescale.com> | 2013-04-24 15:39:07 (GMT) |
commit | cb16a6587aee47027b7b4766db2d21c784b65114 (patch) | |
tree | 59d466f1db33dc58e8b2fe900cbf9bf6883c995f /drivers/net | |
parent | 67e80eee6ed7474421f5e3b640ae78205a67c9a6 (diff) | |
download | linux-fsl-qoriq-cb16a6587aee47027b7b4766db2d21c784b65114.tar.xz |
dpaa_eth: extract debugfs code to its own file
Code cleanup, move debugfs code outside dpaa_eth.c.
Also fixed some checkpatch.pl reports in the existing code.
Signed-off-by: Madalin Bucur <madalin.bucur@freescale.com>
Change-Id: Ia70e55d367ffd5743f44cee5ce93c83bb3f7594d
Reviewed-on: http://git.am.freescale.net:8181/1719
Reviewed-by: Sovaiala Cristian-Constantin-B39531 <Cristian.Sovaiala@freescale.com>
Reviewed-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>
Tested-by: Fleming Andrew-AFLEMING <AFLEMING@freescale.com>
Diffstat (limited to 'drivers/net')
-rw-r--r-- | drivers/net/ethernet/freescale/dpa/Kconfig | 7 | ||||
-rw-r--r-- | drivers/net/ethernet/freescale/dpa/Makefile | 2 | ||||
-rw-r--r-- | drivers/net/ethernet/freescale/dpa/dpaa_debugfs.c | 285 | ||||
-rw-r--r-- | drivers/net/ethernet/freescale/dpa/dpaa_debugfs.h | 42 | ||||
-rw-r--r-- | drivers/net/ethernet/freescale/dpa/dpaa_eth.c | 240 | ||||
-rw-r--r-- | drivers/net/ethernet/freescale/dpa/dpaa_eth.h | 11 |
6 files changed, 354 insertions, 233 deletions
diff --git a/drivers/net/ethernet/freescale/dpa/Kconfig b/drivers/net/ethernet/freescale/dpa/Kconfig index b54831d..8a14c88 100644 --- a/drivers/net/ethernet/freescale/dpa/Kconfig +++ b/drivers/net/ethernet/freescale/dpa/Kconfig @@ -119,3 +119,10 @@ config DPAA_ETH_UNIT_TESTS bool depends on DPA_ETH default n + +config FSL_DPAA_ETH_DEBUGFS + tristate "DPAA Ethernet debugfs interface" + depends on DEBUG_FS + default y + ---help--- + This option compiles debugfs code for the DPAA Ethernet driver. diff --git a/drivers/net/ethernet/freescale/dpa/Makefile b/drivers/net/ethernet/freescale/dpa/Makefile index eb78df8..7278394 100644 --- a/drivers/net/ethernet/freescale/dpa/Makefile +++ b/drivers/net/ethernet/freescale/dpa/Makefile @@ -10,6 +10,8 @@ EXTRA_CFLAGS += -I$(NET_DPA) obj-$(CONFIG_FSL_DPA_1588) += dpaa_1588.o obj-$(CONFIG_DPAA_ETH_SG_SUPPORT) += fsl-dpa-sg.o +# dpaa_debugfs needs to be initialized before dpaa_eth +obj-$(CONFIG_FSL_DPAA_ETH_DEBUGFS) += dpaa_debugfs.o obj-$(CONFIG_DPA_ETH) += fsl-mac.o fsl-dpa.o obj-$(CONFIG_DPA_OFFLINE_PORTS) += fsl-oh.o diff --git a/drivers/net/ethernet/freescale/dpa/dpaa_debugfs.c b/drivers/net/ethernet/freescale/dpa/dpaa_debugfs.c new file mode 100644 index 0000000..4544f97 --- /dev/null +++ b/drivers/net/ethernet/freescale/dpa/dpaa_debugfs.c @@ -0,0 +1,285 @@ +/* + * Copyright 2008-2013 Freescale Semiconductor Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Freescale Semiconductor nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * + * ALTERNATIVELY, this software may be distributed under the terms of the + * GNU General Public License ("GPL") as published by the Free Software + * Foundation, either version 2 of that License or (at your option) any + * later version. + * + * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <linux/module.h> +#include <linux/fsl_qman.h> /* struct qm_mcr_querycgr */ +#include <linux/debugfs.h> +#include <asm/debug.h> +#include "dpaa_debugfs.h" +#include "dpaa_eth.h" /* struct dpa_priv_s, dpa_percpu_priv_s, dpa_bp */ + +#define DPA_DEBUGFS_DESCRIPTION "FSL DPAA Ethernet debugfs entries" +#define DPA_ETH_DEBUGFS_ROOT "fsl_dpa" + +static int __cold dpa_debugfs_open(struct inode *inode, struct file *file); + +static struct dentry *dpa_debugfs_root; +static const struct file_operations dpa_debugfs_fops = { + .open = dpa_debugfs_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static int dpa_debugfs_show(struct seq_file *file, void *offset) +{ + int i; + struct dpa_priv_s *priv; + struct dpa_percpu_priv_s *percpu_priv, total; + struct dpa_bp *dpa_bp; + unsigned int dpa_bp_count = 0; + unsigned int count_total = 0; + struct qm_mcr_querycgr query_cgr; + + BUG_ON(offset == NULL); + + priv = netdev_priv((struct net_device *)file->private); + + dpa_bp = priv->dpa_bp; + + memset(&total, 0, sizeof(total)); + + /* "Standard" counters */ + seq_printf(file, "\nDPA counters for %s:\n", priv->net_dev->name); + seq_printf(file, "CPU irqs rx tx recycle "); + seq_printf(file, "confirm tx sg tx err rx err bp count\n"); + + + for_each_online_cpu(i) { + percpu_priv = per_cpu_ptr(priv->percpu_priv, i); + + /* Only private interfaces have an associated counter for bp + * buffers. Also the counter isn't initialized before the first + * ifconfig up + */ + if (!priv->shared && percpu_priv->dpa_bp_count) + dpa_bp_count = *percpu_priv->dpa_bp_count; + + total.in_interrupt += percpu_priv->in_interrupt; + total.stats.rx_packets += percpu_priv->stats.rx_packets; + total.stats.tx_packets += percpu_priv->stats.tx_packets; + total.tx_returned += percpu_priv->tx_returned; + total.tx_confirm += percpu_priv->tx_confirm; + total.tx_frag_skbuffs += percpu_priv->tx_frag_skbuffs; + total.stats.tx_errors += percpu_priv->stats.tx_errors; + total.stats.rx_errors += percpu_priv->stats.rx_errors; + count_total += dpa_bp_count; + + seq_printf(file, " %hu/%hu %8llu %8llu %8llu %8llu ", + get_hard_smp_processor_id(i), i, + percpu_priv->in_interrupt, + percpu_priv->stats.rx_packets, + percpu_priv->stats.tx_packets, + percpu_priv->tx_returned); + seq_printf(file, "%8llu %8llu %8llu %8llu %8d\n", + percpu_priv->tx_confirm, + percpu_priv->tx_frag_skbuffs, + percpu_priv->stats.tx_errors, + percpu_priv->stats.rx_errors, + dpa_bp_count); + } + seq_printf(file, "Total %8llu %8llu %8llu %8llu ", + total.in_interrupt, + total.stats.rx_packets, + total.stats.tx_packets, + total.tx_returned); + seq_printf(file, "%8llu %8llu %8llu %8llu %8d\n", + total.tx_confirm, + total.tx_frag_skbuffs, + total.stats.tx_errors, + total.stats.rx_errors, + count_total); + + /* Congestion stats */ + seq_printf(file, "\nDevice congestion stats:\n"); + seq_printf(file, "Device has been congested for %d ms.\n", + jiffies_to_msecs(priv->cgr_data.congested_jiffies)); + + qman_query_cgr(&priv->cgr_data.cgr, &query_cgr); + seq_printf(file, "CGR id %d avg count: %llu\n", + priv->cgr_data.cgr.cgrid, qm_mcr_querycgr_a_get64(&query_cgr)); + seq_printf(file, "Device entered congestion %u times. ", + priv->cgr_data.cgr_congested_count); + seq_printf(file, "Current congestion state is: %s.\n", + query_cgr.cgr.cs ? "congested" : "not congested"); + /* Reset congestion stats (like QMan CGR API does) */ + priv->cgr_data.congested_jiffies = 0; + priv->cgr_data.cgr_congested_count = 0; + + /* Rx Errors demultiplexing */ + seq_printf(file, "\nDPA RX Errors:\nCPU dma err phys err"); + seq_printf(file, " size err hdr err csum err\n"); + for_each_online_cpu(i) { + percpu_priv = per_cpu_ptr(priv->percpu_priv, i); + + total.rx_errors.dme += percpu_priv->rx_errors.dme; + total.rx_errors.fpe += percpu_priv->rx_errors.fpe; + total.rx_errors.fse += percpu_priv->rx_errors.fse; + total.rx_errors.phe += percpu_priv->rx_errors.phe; + total.rx_errors.cse += percpu_priv->rx_errors.cse; + + seq_printf(file, " %hu/%hu %8llu %8llu ", + get_hard_smp_processor_id(i), i, + percpu_priv->rx_errors.dme, + percpu_priv->rx_errors.fpe); + seq_printf(file, "%8llu %8llu %8llu\n", + percpu_priv->rx_errors.fse, + percpu_priv->rx_errors.phe, + percpu_priv->rx_errors.cse); + } + seq_printf(file, "Total %8llu %8llu %8llu %8llu %8llu\n", + total.rx_errors.dme, + total.rx_errors.fpe, + total.rx_errors.fse, + total.rx_errors.phe, + total.rx_errors.cse); + + /* ERN demultiplexing */ + seq_printf(file, "\nDPA ERN counters:\n CPU cg_td wred "); + seq_printf(file, "err_cond early_w late_w fq_td fq_ret"); + seq_printf(file, " orp_z\n"); + for_each_online_cpu(i) { + percpu_priv = per_cpu_ptr(priv->percpu_priv, i); + + total.ern_cnt.cg_tdrop += percpu_priv->ern_cnt.cg_tdrop; + total.ern_cnt.wred += percpu_priv->ern_cnt.wred; + total.ern_cnt.err_cond += percpu_priv->ern_cnt.err_cond; + total.ern_cnt.early_window += percpu_priv->ern_cnt.early_window; + total.ern_cnt.late_window += percpu_priv->ern_cnt.late_window; + total.ern_cnt.fq_tdrop += percpu_priv->ern_cnt.fq_tdrop; + total.ern_cnt.fq_retired += percpu_priv->ern_cnt.fq_retired; + total.ern_cnt.orp_zero += percpu_priv->ern_cnt.orp_zero; + + seq_printf(file, " %hu/%hu %8llu %8llu %8llu %8llu ", + get_hard_smp_processor_id(i), i, + percpu_priv->ern_cnt.cg_tdrop, + percpu_priv->ern_cnt.wred, + percpu_priv->ern_cnt.err_cond, + percpu_priv->ern_cnt.early_window); + seq_printf(file, "%8llu %8llu %8llu %8llu\n", + percpu_priv->ern_cnt.late_window, + percpu_priv->ern_cnt.fq_tdrop, + percpu_priv->ern_cnt.fq_retired, + percpu_priv->ern_cnt.orp_zero); + } + seq_printf(file, "Total %8llu %8llu %8llu %8llu ", + total.ern_cnt.cg_tdrop, + total.ern_cnt.wred, + total.ern_cnt.err_cond, + total.ern_cnt.early_window); + seq_printf(file, "%8llu %8llu %8llu %8llu\n", + total.ern_cnt.late_window, + total.ern_cnt.fq_tdrop, + total.ern_cnt.fq_retired, + total.ern_cnt.orp_zero); + + return 0; +} + +static int __cold dpa_debugfs_open(struct inode *inode, struct file *file) +{ + int _errno; + const struct net_device *net_dev; + + _errno = single_open(file, dpa_debugfs_show, inode->i_private); + if (unlikely(_errno < 0)) { + net_dev = (struct net_device *)inode->i_private; + + if (netif_msg_drv((struct dpa_priv_s *)netdev_priv(net_dev))) + netdev_err(net_dev, "single_open() = %d\n", + _errno); + } + return _errno; +} + +int dpa_netdev_debugfs_create(struct net_device *net_dev) +{ + struct dpa_priv_s *priv = netdev_priv(net_dev); + + if (unlikely(dpa_debugfs_root == NULL)) { + pr_err(KBUILD_MODNAME ": %s:%hu:%s(): \t%s\n", + KBUILD_BASENAME".c", __LINE__, __func__, + "root debugfs missing, possible module ordering issue"); + return -ENOMEM; + } + + priv->debugfs_file = debugfs_create_file(net_dev->name, + S_IRUGO, + dpa_debugfs_root, + net_dev, + &dpa_debugfs_fops); + if (unlikely(priv->debugfs_file == NULL)) { + netdev_err(net_dev, "debugfs_create_file(%s/%s/%s)", + powerpc_debugfs_root->d_iname, + dpa_debugfs_root->d_iname, + net_dev->name); + + return -ENOMEM; + } + + return 0; +} + +void dpa_netdev_debugfs_remove(struct net_device *net_dev) +{ + struct dpa_priv_s *priv = netdev_priv(net_dev); + + debugfs_remove(priv->debugfs_file); +} + +static int __init dpa_debugfs_module_init(void) +{ + int _errno = 0; + + pr_info(KBUILD_MODNAME ": " DPA_DEBUGFS_DESCRIPTION " (" VERSION ")\n"); + + dpa_debugfs_root = debugfs_create_dir(DPA_ETH_DEBUGFS_ROOT, + powerpc_debugfs_root); + if (unlikely(dpa_debugfs_root == NULL)) { + _errno = -ENOMEM; + pr_err(KBUILD_MODNAME ": %s:%hu:%s():\n", + KBUILD_BASENAME".c", __LINE__, __func__); + pr_err("\tdebugfs_create_dir(%s/"KBUILD_MODNAME") = %d\n", + powerpc_debugfs_root->d_iname, _errno); + } + + return _errno; +} + +static void __exit dpa_debugfs_module_exit(void) +{ + debugfs_remove(dpa_debugfs_root); +} + +module_init(dpa_debugfs_module_init); +module_exit(dpa_debugfs_module_exit); +MODULE_LICENSE("Dual BSD/GPL"); diff --git a/drivers/net/ethernet/freescale/dpa/dpaa_debugfs.h b/drivers/net/ethernet/freescale/dpa/dpaa_debugfs.h new file mode 100644 index 0000000..923f51a --- /dev/null +++ b/drivers/net/ethernet/freescale/dpa/dpaa_debugfs.h @@ -0,0 +1,42 @@ +/* + * Copyright 2008-2013 Freescale Semiconductor Inc. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of Freescale Semiconductor nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * + * ALTERNATIVELY, this software may be distributed under the terms of the + * GNU General Public License ("GPL") as published by the Free Software + * Foundation, either version 2 of that License or (at your option) any + * later version. + * + * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef DPAA_DEBUGFS_H_ +#define DPAA_DEBUGFS_H_ + +#include <linux/netdevice.h> +#include <linux/dcache.h> /* struct dentry needed in dpaa_eth.h */ + +int dpa_netdev_debugfs_create(struct net_device *net_dev); +void dpa_netdev_debugfs_remove(struct net_device *net_dev); + +#endif /* DPAA_DEBUGFS_H_ */ diff --git a/drivers/net/ethernet/freescale/dpa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpa/dpaa_eth.c index f2babb8..9683b22 100644 --- a/drivers/net/ethernet/freescale/dpa/dpaa_eth.c +++ b/drivers/net/ethernet/freescale/dpa/dpaa_eth.c @@ -57,10 +57,6 @@ #include <linux/percpu.h> #include <linux/dma-mapping.h> #include <asm/smp.h> /* get_hard_smp_processor_id() */ -#ifdef CONFIG_DEBUG_FS -#include <linux/debugfs.h> -#include <asm/debug.h> -#endif #include <linux/fsl_bman.h> #include "fsl_fman.h" @@ -70,6 +66,9 @@ #include "mac.h" #include "dpaa_eth.h" #include "dpaa_1588.h" +#ifdef CONFIG_FSL_DPAA_ETH_DEBUGFS +#include "dpaa_debugfs.h" +#endif /* CONFIG_FSL_DPAA_ETH_DEBUGFS */ /* CREATE_TRACE_POINTS only needs to be defined once. Other dpa files * using trace events only need to #include <trace/events/sched.h> @@ -162,10 +161,6 @@ static uint16_t tx_timeout = 1000; module_param(tx_timeout, ushort, S_IRUGO); MODULE_PARM_DESC(tx_timeout, "The Tx timeout in ms"); -#ifdef CONFIG_DEBUG_FS -static struct dentry *dpa_debugfs_root; -#endif - /* dpaa_eth mirror for the FMan values */ static int dpa_rx_extra_headroom; static int dpa_max_frm; @@ -3302,185 +3297,6 @@ static const char fsl_qman_frame_queues[][25] = { [TX] = "fsl,qman-frame-queues-tx" }; -#ifdef CONFIG_DEBUG_FS -static int __cold dpa_debugfs_show(struct seq_file *file, void *offset) -{ - int i; - struct dpa_priv_s *priv; - struct dpa_percpu_priv_s *percpu_priv, total; - struct dpa_bp *dpa_bp; - unsigned int dpa_bp_count = 0; - unsigned int count_total = 0; - struct qm_mcr_querycgr query_cgr; - - BUG_ON(offset == NULL); - - priv = netdev_priv((struct net_device *)file->private); - - dpa_bp = priv->dpa_bp; - - memset(&total, 0, sizeof(total)); - - /* "Standard" counters */ - seq_printf(file, "\nDPA counters for %s:\n" - "CPU irqs rx tx recycle" \ - " confirm tx sg tx err rx err bp count\n", - priv->net_dev->name); - - for_each_online_cpu(i) { - percpu_priv = per_cpu_ptr(priv->percpu_priv, i); - - /* Only private interfaces have an associated counter for bp - * buffers. Also the counter isn't initialized before the first - * ifconfig up - */ - if (!priv->shared && percpu_priv->dpa_bp_count) - dpa_bp_count = *percpu_priv->dpa_bp_count; - - total.in_interrupt += percpu_priv->in_interrupt; - total.stats.rx_packets += percpu_priv->stats.rx_packets; - total.stats.tx_packets += percpu_priv->stats.tx_packets; - total.tx_returned += percpu_priv->tx_returned; - total.tx_confirm += percpu_priv->tx_confirm; - total.tx_frag_skbuffs += percpu_priv->tx_frag_skbuffs; - total.stats.tx_errors += percpu_priv->stats.tx_errors; - total.stats.rx_errors += percpu_priv->stats.rx_errors; - count_total += dpa_bp_count; - - seq_printf(file, " %hu/%hu %8llu %8llu %8llu %8llu " - "%8llu %8llu %8llu %8llu %8d\n", - get_hard_smp_processor_id(i), i, - percpu_priv->in_interrupt, - percpu_priv->stats.rx_packets, - percpu_priv->stats.tx_packets, - percpu_priv->tx_returned, - percpu_priv->tx_confirm, - percpu_priv->tx_frag_skbuffs, - percpu_priv->stats.tx_errors, - percpu_priv->stats.rx_errors, - dpa_bp_count); - } - seq_printf(file, "Total %8llu %8llu %8llu %8llu %8llu %8llu " - "%8llu %8llu %8d\n", - total.in_interrupt, - total.stats.rx_packets, - total.stats.tx_packets, - total.tx_returned, - total.tx_confirm, - total.tx_frag_skbuffs, - total.stats.tx_errors, - total.stats.rx_errors, - count_total); - - /* Congestion stats */ - seq_printf(file, "\nDevice congestion stats:\n"); - seq_printf(file, "Device has been congested for %d ms.\n", - jiffies_to_msecs(priv->cgr_data.congested_jiffies)); - - qman_query_cgr(&priv->cgr_data.cgr, &query_cgr); - seq_printf(file, "CGR id %d avg count: %llu\n", - priv->cgr_data.cgr.cgrid, qm_mcr_querycgr_a_get64(&query_cgr)); - seq_printf(file, "Device entered congestion %u times. " - "Current congestion state is: %s.\n", - priv->cgr_data.cgr_congested_count, - query_cgr.cgr.cs ? "congested" : "not congested"); - /* Reset congestion stats (like QMan CGR API does) */ - priv->cgr_data.congested_jiffies = 0; - priv->cgr_data.cgr_congested_count = 0; - - /* Rx Errors demultiplexing */ - seq_printf(file, "\nDPA RX Errors:\nCPU dma err phys err" \ - " size err hdr err csum err\n"); - for_each_online_cpu(i) { - percpu_priv = per_cpu_ptr(priv->percpu_priv, i); - - total.rx_errors.dme += percpu_priv->rx_errors.dme; - total.rx_errors.fpe += percpu_priv->rx_errors.fpe; - total.rx_errors.fse += percpu_priv->rx_errors.fse; - total.rx_errors.phe += percpu_priv->rx_errors.phe; - total.rx_errors.cse += percpu_priv->rx_errors.cse; - - seq_printf(file, " %hu/%hu %8llu %8llu %8llu %8llu " - "%8llu\n", - get_hard_smp_processor_id(i), i, - percpu_priv->rx_errors.dme, - percpu_priv->rx_errors.fpe, - percpu_priv->rx_errors.fse, - percpu_priv->rx_errors.phe, - percpu_priv->rx_errors.cse); - } - seq_printf(file, "Total %8llu %8llu %8llu %8llu %8llu\n", - total.rx_errors.dme, - total.rx_errors.fpe, - total.rx_errors.fse, - total.rx_errors.phe, - total.rx_errors.cse); - - /* ERN demultiplexing */ - seq_printf(file, "\nDPA ERN counters:\n CPU cg_td wred " \ - "err_cond early_w late_w fq_td fq_ret" \ - " orp_z\n"); - for_each_online_cpu(i) { - percpu_priv = per_cpu_ptr(priv->percpu_priv, i); - - total.ern_cnt.cg_tdrop += percpu_priv->ern_cnt.cg_tdrop; - total.ern_cnt.wred += percpu_priv->ern_cnt.wred; - total.ern_cnt.err_cond += percpu_priv->ern_cnt.err_cond; - total.ern_cnt.early_window += percpu_priv->ern_cnt.early_window; - total.ern_cnt.late_window += percpu_priv->ern_cnt.late_window; - total.ern_cnt.fq_tdrop += percpu_priv->ern_cnt.fq_tdrop; - total.ern_cnt.fq_retired += percpu_priv->ern_cnt.fq_retired; - total.ern_cnt.orp_zero += percpu_priv->ern_cnt.orp_zero; - - seq_printf(file, " %hu/%hu %8llu %8llu %8llu %8llu " - "%8llu %8llu %8llu %8llu\n", - get_hard_smp_processor_id(i), i, - percpu_priv->ern_cnt.cg_tdrop, - percpu_priv->ern_cnt.wred, - percpu_priv->ern_cnt.err_cond, - percpu_priv->ern_cnt.early_window, - percpu_priv->ern_cnt.late_window, - percpu_priv->ern_cnt.fq_tdrop, - percpu_priv->ern_cnt.fq_retired, - percpu_priv->ern_cnt.orp_zero); - } - seq_printf(file, "Total %8llu %8llu %8llu %8llu %8llu %8llu " - "%8llu %8llu\n", - total.ern_cnt.cg_tdrop, - total.ern_cnt.wred, - total.ern_cnt.err_cond, - total.ern_cnt.early_window, - total.ern_cnt.late_window, - total.ern_cnt.fq_tdrop, - total.ern_cnt.fq_retired, - total.ern_cnt.orp_zero); - - return 0; -} - -static int __cold dpa_debugfs_open(struct inode *inode, struct file *file) -{ - int _errno; - const struct net_device *net_dev; - - _errno = single_open(file, dpa_debugfs_show, inode->i_private); - if (unlikely(_errno < 0)) { - net_dev = (struct net_device *)inode->i_private; - - if (netif_msg_drv((struct dpa_priv_s *)netdev_priv(net_dev))) - netdev_err(net_dev, "single_open() = %d\n", - _errno); - } - return _errno; -} - -static const struct file_operations dpa_debugfs_fops = { - .open = dpa_debugfs_open, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; -#endif #ifdef CONFIG_DPAA_ETH_USE_NDO_SELECT_QUEUE static u16 dpa_select_queue(struct net_device *net_dev, struct sk_buff *skb) @@ -4013,20 +3829,14 @@ static int dpa_netdev_init(struct device_node *dpa_node, return err; } -#ifdef CONFIG_DEBUG_FS - priv->debugfs_file = debugfs_create_file(net_dev->name, S_IRUGO, - dpa_debugfs_root, net_dev, - &dpa_debugfs_fops); - if (unlikely(priv->debugfs_file == NULL)) { - netdev_err(net_dev, "debugfs_create_file(%s/%s/%s) = %d\n", - powerpc_debugfs_root->d_iname, - dpa_debugfs_root->d_iname, - net_dev->name, err); - +#ifdef CONFIG_FSL_DPAA_ETH_DEBUGFS + /* create debugfs entry for this net_device */ + err = dpa_netdev_debugfs_create(net_dev); + if (err) { unregister_netdev(net_dev); - return -ENOMEM; + return err; } -#endif +#endif /* CONFIG_FSL_DPAA_ETH_DEBUGFS */ return 0; } @@ -4500,9 +4310,10 @@ static int __cold dpa_remove(struct platform_device *of_dev) dpa_bp_free(priv, priv->dpa_bp); -#ifdef CONFIG_DEBUG_FS - debugfs_remove(priv->debugfs_file); -#endif +#ifdef CONFIG_FSL_DPAA_ETH_DEBUGFS + /* remove debugfs entry for this net_device */ + dpa_netdev_debugfs_remove(net_dev); +#endif /* CONFIG_FSL_DPAA_ETH_DEBUGFS */ #ifdef CONFIG_FSL_DPA_1588 if (priv->tsu && priv->tsu->valid) @@ -4534,34 +4345,13 @@ static int __init __cold dpa_load(void) dpa_rx_extra_headroom = fm_get_rx_extra_headroom(); dpa_max_frm = fm_get_max_frm(); -#ifdef CONFIG_DEBUG_FS - dpa_debugfs_root = debugfs_create_dir(KBUILD_MODNAME, - powerpc_debugfs_root); - if (unlikely(dpa_debugfs_root == NULL)) { - _errno = -ENOMEM; - pr_err(KBUILD_MODNAME ": %s:%hu:%s(): " - "debugfs_create_dir(%s/"KBUILD_MODNAME") = %d\n", - KBUILD_BASENAME".c", __LINE__, __func__, - powerpc_debugfs_root->d_iname, _errno); - goto _return; - } -#endif - _errno = platform_driver_register(&dpa_driver); if (unlikely(_errno < 0)) { pr_err(KBUILD_MODNAME ": %s:%hu:%s(): platform_driver_register() = %d\n", KBUILD_BASENAME".c", __LINE__, __func__, _errno); - goto _return_debugfs_remove; } - goto _return; - -_return_debugfs_remove: -#ifdef CONFIG_DEBUG_FS - debugfs_remove(dpa_debugfs_root); -#endif -_return: pr_debug(KBUILD_MODNAME ": %s:%s() ->\n", KBUILD_BASENAME".c", __func__); @@ -4576,10 +4366,6 @@ static void __exit __cold dpa_unload(void) platform_driver_unregister(&dpa_driver); -#ifdef CONFIG_DEBUG_FS - debugfs_remove(dpa_debugfs_root); -#endif - pr_debug(KBUILD_MODNAME ": %s:%s() ->\n", KBUILD_BASENAME".c", __func__); } diff --git a/drivers/net/ethernet/freescale/dpa/dpaa_eth.h b/drivers/net/ethernet/freescale/dpa/dpaa_eth.h index 5500509..21e699c 100644 --- a/drivers/net/ethernet/freescale/dpa/dpaa_eth.h +++ b/drivers/net/ethernet/freescale/dpa/dpaa_eth.h @@ -42,9 +42,6 @@ #include <linux/if_vlan.h> /* vlan_eth_hdr */ #include <linux/ip.h> /* ip_hdr */ #include <linux/ipv6.h> /* ipv6_hdr */ -#ifdef CONFIG_DEBUG_FS -#include <linux/dcache.h> /* struct dentry */ -#endif #include <linux/fsl_qman.h> /* struct qman_fq */ @@ -55,7 +52,9 @@ #include "fm_port_ext.h" /* FM_PORT_FRM_ERR_* */ #include "mac.h" /* struct mac_device */ - +#ifdef CONFIG_FSL_DPAA_ETH_DEBUGFS +#include "dpaa_debugfs.h" +#endif /* CONFIG_FSL_DPAA_ETH_DEBUGFS */ #include "dpaa_eth_trace.h" #ifdef CONFIG_DPAA_ETH_SG_SUPPORT @@ -363,9 +362,9 @@ struct dpa_priv_s { struct mac_device *mac_dev; struct dpa_percpu_priv_s *percpu_priv; -#ifdef CONFIG_DEBUG_FS +#ifdef CONFIG_FSL_DPAA_ETH_DEBUGFS struct dentry *debugfs_file; -#endif +#endif /* CONFIG_FSL_DPAA_ETH_DEBUGFS */ uint32_t msg_enable; /* net_device message level */ #ifdef CONFIG_FSL_DPA_1588 |