| /******************************************************************************* |
| Copyright (C) Marvell International Ltd. and its affiliates |
| |
| This software file (the "File") is owned and distributed by Marvell |
| International Ltd. and/or its affiliates ("Marvell") under the following |
| alternative licensing terms. Once you have made an election to distribute the |
| File under one of the following license alternatives, please (i) delete this |
| introductory statement regarding license alternatives, (ii) delete the two |
| license alternatives that you have not elected to use and (iii) preserve the |
| Marvell copyright notice above. |
| |
| |
| ******************************************************************************** |
| Marvell GPL License Option |
| |
| If you received this File from Marvell, you may opt to use, redistribute and/or |
| modify this File in accordance with the terms and conditions of the General |
| Public License Version 2, June 1991 (the "GPL License"), a copy of which is |
| available along with the File in the license.txt file or by writing to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 or |
| on the worldwide web at http://www.gnu.org/licenses/gpl.txt. |
| |
| THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE IMPLIED |
| WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY |
| DISCLAIMED. The GPL License provides additional details about this warranty |
| disclaimer. |
| *******************************************************************************/ |
| #include <linux/module.h> |
| #include <linux/kernel.h> |
| #include <linux/types.h> |
| #include <linux/capability.h> |
| #include <linux/kernel.h> |
| #include <linux/platform_device.h> |
| #include <linux/netdevice.h> |
| |
| #include "gbe/mvNeta.h" |
| #include "pnc/mvPnc.h" |
| |
| #include "mv_netdev.h" |
| |
| static ssize_t mv_pon_help(char *buf) |
| { |
| int off = 0; |
| |
| off += sprintf(buf+off, "cat help - show this help\n"); |
| off += sprintf(buf+off, "echo p txp > txp_regs - show TX registers for <p/txp>\n"); |
| |
| #ifdef MV_PON_MIB_SUPPORT |
| off += sprintf(buf+off, "echo mib gp > mib_gpid - MIB set <mib> for incoming packets with GemPID <gp>\n"); |
| off += sprintf(buf+off, "echo mib > mib_def - MIB set <mib> for incoming packets not matched any GemPID\n"); |
| #endif /* MV_PON_MIB_SUPPORT */ |
| |
| return off; |
| } |
| |
| |
| static ssize_t mv_pon_show(struct device *dev, |
| struct device_attribute *attr, char *buf) |
| { |
| int off = 0; |
| const char *name = attr->attr.name; |
| |
| if (!capable(CAP_NET_ADMIN)) |
| return -EPERM; |
| |
| if (!strcmp(name, "help")) |
| off = mv_pon_help(buf); |
| else |
| off = mv_pon_help(buf); |
| |
| return off; |
| } |
| |
| static ssize_t mv_pon_1_store(struct device *dev, |
| struct device_attribute *attr, const char *buf, size_t len) |
| { |
| const char *name = attr->attr.name; |
| unsigned int v; |
| unsigned long flags; |
| |
| if (!capable(CAP_NET_ADMIN)) |
| return -EPERM; |
| |
| /* Read input */ |
| v = 0; |
| |
| sscanf(buf, "%x", &v); |
| |
| local_irq_save(flags); |
| |
| #ifdef MV_PON_MIB_SUPPORT |
| if (!strcmp(name, "mib_def")) { |
| mvNetaPonRxMibDefault(v); |
| } else |
| #endif /* MV_PON_MIB_SUPPORT */ |
| printk(KERN_ERR "%s: illegal operation <%s>\n", __func__, attr->attr.name); |
| |
| local_irq_restore(flags); |
| |
| return len; |
| } |
| |
| static ssize_t mv_pon_2_store(struct device *dev, |
| struct device_attribute *attr, const char *buf, size_t len) |
| { |
| const char *name = attr->attr.name; |
| unsigned int p, v; |
| unsigned long flags; |
| |
| if (!capable(CAP_NET_ADMIN)) |
| return -EPERM; |
| |
| /* Read input */ |
| v = 0; |
| sscanf(buf, "%d %x", &p, &v); |
| |
| local_irq_save(flags); |
| |
| if (!strcmp(name, "txp_regs")) |
| mvNetaPonTxpRegs(p, v); |
| #ifdef MV_PON_MIB_SUPPORT |
| else if (!strcmp(name, "mib_gpid")) |
| mvNetaPonRxMibGemPid(p, v); |
| #endif /* MV_PON_MIB_SUPPORT */ |
| else |
| printk(KERN_ERR "%s: illegal operation <%s>\n", __func__, attr->attr.name); |
| |
| local_irq_restore(flags); |
| |
| return len; |
| } |
| |
| static DEVICE_ATTR(txp_regs, S_IWUSR, mv_pon_show, mv_pon_2_store); |
| static DEVICE_ATTR(mib_gpid, S_IWUSR, mv_pon_show, mv_pon_2_store); |
| static DEVICE_ATTR(mib_def, S_IWUSR, mv_pon_show, mv_pon_1_store); |
| static DEVICE_ATTR(help, S_IRUSR, mv_pon_show, NULL); |
| |
| static struct attribute *mv_pon_attrs[] = { |
| &dev_attr_txp_regs.attr, |
| &dev_attr_mib_def.attr, |
| &dev_attr_mib_gpid.attr, |
| &dev_attr_help.attr, |
| NULL |
| }; |
| |
| static struct attribute_group mv_pon_group = { |
| .name = "pon", |
| .attrs = mv_pon_attrs, |
| }; |
| |
| int __devinit mv_pon_sysfs_init(void) |
| { |
| int err; |
| struct device *pd; |
| |
| pd = bus_find_device_by_name(&platform_bus_type, NULL, "neta"); |
| if (!pd) { |
| platform_device_register_simple("neta", -1, NULL, 0); |
| pd = bus_find_device_by_name(&platform_bus_type, NULL, "neta"); |
| } |
| |
| if (!pd) { |
| printk(KERN_ERR"%s: cannot find neta device\n", __func__); |
| pd = &platform_bus; |
| } |
| |
| err = sysfs_create_group(&pd->kobj, &mv_pon_group); |
| if (err) { |
| printk(KERN_INFO "sysfs group failed %d\n", err); |
| goto out; |
| } |
| out: |
| return err; |
| } |
| |
| module_init(mv_pon_sysfs_init); |
| |
| MODULE_AUTHOR("Dmitri Epshtein"); |
| MODULE_DESCRIPTION("sysfs for Marvell PON"); |
| MODULE_LICENSE("GPL"); |
| |