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Taku Izumi says: ==================== FUJITSU Extended Socket driver version 1.2 This patchset updates FUJITSU Extended Socket network driver into version 1.2. This includes the following enhancements: - ethtool -d support - ethtool -S enhancement - ethtool -w/-W support - Add some debugging feature (tracepoints etc) v1 -> v2: - Use u64 instead of phys_addr_t as TP_STRUCT__entry - Use ethtool facility to achieve debug mode instead of using debugfs ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
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| /* | ||
| * FUJITSU Extended Socket Network Device driver | ||
| * Copyright (c) 2015-2016 FUJITSU LIMITED | ||
| * | ||
| * This program is free software; you can redistribute it and/or modify it | ||
| * under the terms and conditions of the GNU General Public License, | ||
| * version 2, as published by the Free Software Foundation. | ||
| * | ||
| * This program is distributed in the hope it will be useful, but WITHOUT | ||
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | ||
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | ||
| * more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License along with | ||
| * this program; if not, see <http://www.gnu.org/licenses/>. | ||
| * | ||
| * The full GNU General Public License is included in this distribution in | ||
| * the file called "COPYING". | ||
| * | ||
| */ | ||
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| /* debugfs support for fjes driver */ | ||
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| #ifdef CONFIG_DEBUG_FS | ||
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| #include <linux/debugfs.h> | ||
| #include <linux/seq_file.h> | ||
| #include <linux/platform_device.h> | ||
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| #include "fjes.h" | ||
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| static struct dentry *fjes_debug_root; | ||
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| static const char * const ep_status_string[] = { | ||
| "unshared", | ||
| "shared", | ||
| "waiting", | ||
| "complete", | ||
| }; | ||
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| static int fjes_dbg_status_show(struct seq_file *m, void *v) | ||
| { | ||
| struct fjes_adapter *adapter = m->private; | ||
| struct fjes_hw *hw = &adapter->hw; | ||
| int max_epid = hw->max_epid; | ||
| int my_epid = hw->my_epid; | ||
| int epidx; | ||
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| seq_puts(m, "EPID\tSTATUS SAME_ZONE CONNECTED\n"); | ||
| for (epidx = 0; epidx < max_epid; epidx++) { | ||
| if (epidx == my_epid) { | ||
| seq_printf(m, "ep%d\t%-16c %-16c %-16c\n", | ||
| epidx, '-', '-', '-'); | ||
| } else { | ||
| seq_printf(m, "ep%d\t%-16s %-16c %-16c\n", | ||
| epidx, | ||
| ep_status_string[fjes_hw_get_partner_ep_status(hw, epidx)], | ||
| fjes_hw_epid_is_same_zone(hw, epidx) ? 'Y' : 'N', | ||
| fjes_hw_epid_is_shared(hw->hw_info.share, epidx) ? 'Y' : 'N'); | ||
| } | ||
| } | ||
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| return 0; | ||
| } | ||
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| static int fjes_dbg_status_open(struct inode *inode, struct file *file) | ||
| { | ||
| return single_open(file, fjes_dbg_status_show, inode->i_private); | ||
| } | ||
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| static const struct file_operations fjes_dbg_status_fops = { | ||
| .owner = THIS_MODULE, | ||
| .open = fjes_dbg_status_open, | ||
| .read = seq_read, | ||
| .llseek = seq_lseek, | ||
| .release = single_release, | ||
| }; | ||
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| void fjes_dbg_adapter_init(struct fjes_adapter *adapter) | ||
| { | ||
| const char *name = dev_name(&adapter->plat_dev->dev); | ||
| struct dentry *pfile; | ||
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| adapter->dbg_adapter = debugfs_create_dir(name, fjes_debug_root); | ||
| if (!adapter->dbg_adapter) { | ||
| dev_err(&adapter->plat_dev->dev, | ||
| "debugfs entry for %s failed\n", name); | ||
| return; | ||
| } | ||
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| pfile = debugfs_create_file("status", 0444, adapter->dbg_adapter, | ||
| adapter, &fjes_dbg_status_fops); | ||
| if (!pfile) | ||
| dev_err(&adapter->plat_dev->dev, | ||
| "debugfs status for %s failed\n", name); | ||
| } | ||
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| void fjes_dbg_adapter_exit(struct fjes_adapter *adapter) | ||
| { | ||
| debugfs_remove_recursive(adapter->dbg_adapter); | ||
| adapter->dbg_adapter = NULL; | ||
| } | ||
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| void fjes_dbg_init(void) | ||
| { | ||
| fjes_debug_root = debugfs_create_dir(fjes_driver_name, NULL); | ||
| if (!fjes_debug_root) | ||
| pr_info("init of debugfs failed\n"); | ||
| } | ||
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| void fjes_dbg_exit(void) | ||
| { | ||
| debugfs_remove_recursive(fjes_debug_root); | ||
| fjes_debug_root = NULL; | ||
| } | ||
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| #endif /* CONFIG_DEBUG_FS */ |
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