cregit-Linux how code gets into the kernel

Release 4.7 drivers/net/wan/hdlc_raw.c

Directory: drivers/net/wan
/*
 * Generic HDLC support routines for Linux
 * HDLC support
 *
 * Copyright (C) 1999 - 2006 Krzysztof Halasa <khc@pm.waw.pl>
 *
 * 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.
 */

#include <linux/errno.h>
#include <linux/hdlc.h>
#include <linux/if_arp.h>
#include <linux/inetdevice.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pkt_sched.h>
#include <linux/poll.h>
#include <linux/rtnetlink.h>
#include <linux/skbuff.h>


static int raw_ioctl(struct net_device *dev, struct ifreq *ifr);


static __be16 raw_type_trans(struct sk_buff *skb, struct net_device *dev) { return cpu_to_be16(ETH_P_IP); }

Contributors

PersonTokensPropCommitsCommitProp
francois romieufrancois romieu1254.55%125.00%
krzysztof halasakrzysztof halasa836.36%125.00%
harvey harrisonharvey harrison14.55%125.00%
alexey dobriyanalexey dobriyan14.55%125.00%
Total22100.00%4100.00%

static struct hdlc_proto proto = { .type_trans = raw_type_trans, .ioctl = raw_ioctl, .module = THIS_MODULE, };
static int raw_ioctl(struct net_device *dev, struct ifreq *ifr) { raw_hdlc_proto __user *raw_s = ifr->ifr_settings.ifs_ifsu.raw_hdlc; const size_t size = sizeof(raw_hdlc_proto); raw_hdlc_proto new_settings; hdlc_device *hdlc = dev_to_hdlc(dev); int result; switch (ifr->ifr_settings.type) { case IF_GET_PROTO: if (dev_to_hdlc(dev)->proto != &proto) return -EINVAL; ifr->ifr_settings.type = IF_PROTO_HDLC; if (ifr->ifr_settings.size < size) { ifr->ifr_settings.size = size; /* data size wanted */ return -ENOBUFS; } if (copy_to_user(raw_s, hdlc->state, size)) return -EFAULT; return 0; case IF_PROTO_HDLC: if (!capable(CAP_NET_ADMIN)) return -EPERM; if (dev->flags & IFF_UP) return -EBUSY; if (copy_from_user(&new_settings, raw_s, size)) return -EFAULT; if (new_settings.encoding == ENCODING_DEFAULT) new_settings.encoding = ENCODING_NRZ; if (new_settings.parity == PARITY_DEFAULT) new_settings.parity = PARITY_CRC16_PR1_CCITT; result = hdlc->attach(dev, new_settings.encoding, new_settings.parity); if (result) return result; result = attach_hdlc_protocol(dev, &proto, sizeof(raw_hdlc_proto)); if (result) return result; memcpy(hdlc->state, &new_settings, size); dev->type = ARPHRD_RAWHDLC; call_netdevice_notifiers(NETDEV_POST_TYPE_CHANGE, dev); netif_dormant_off(dev); return 0; } return -EINVAL; }

Contributors

PersonTokensPropCommitsCommitProp
francois romieufrancois romieu14750.87%218.18%
krzysztof halasakrzysztof halasa9733.56%436.36%
alan coxalan cox2910.03%19.09%
al viroal viro93.11%327.27%
andrew lunnandrew lunn72.42%19.09%
Total289100.00%11100.00%


static int __init mod_init(void) { register_hdlc_protocol(&proto); return 0; }

Contributors

PersonTokensPropCommitsCommitProp
krzysztof halasakrzysztof halasa18100.00%1100.00%
Total18100.00%1100.00%


static void __exit mod_exit(void) { unregister_hdlc_protocol(&proto); }

Contributors

PersonTokensPropCommitsCommitProp
krzysztof halasakrzysztof halasa15100.00%1100.00%
Total15100.00%1100.00%

module_init(mod_init); module_exit(mod_exit); MODULE_AUTHOR("Krzysztof Halasa <khc@pm.waw.pl>"); MODULE_DESCRIPTION("Raw HDLC protocol support for generic HDLC"); MODULE_LICENSE("GPL v2");

Overall Contributors

PersonTokensPropCommitsCommitProp
krzysztof halasakrzysztof halasa21147.95%535.71%
francois romieufrancois romieu18241.36%214.29%
alan coxalan cox296.59%17.14%
al viroal viro92.05%321.43%
andrew lunnandrew lunn71.59%17.14%
alexey dobriyanalexey dobriyan10.23%17.14%
harvey harrisonharvey harrison10.23%17.14%
Total440100.00%14100.00%
Directory: drivers/net/wan
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
{% endraw %}