Release 4.15 net/rose/rose_dev.c
/*
* 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; either version 2 of the License, or
* (at your option) any later version.
*
* Copyright (C) Jonathan Naylor G4KLX (g4klx@g4klx.demon.co.uk)
*/
#include <linux/module.h>
#include <linux/proc_fs.h>
#include <linux/kernel.h>
#include <linux/interrupt.h>
#include <linux/fs.h>
#include <linux/types.h>
#include <linux/sysctl.h>
#include <linux/string.h>
#include <linux/socket.h>
#include <linux/errno.h>
#include <linux/fcntl.h>
#include <linux/in.h>
#include <linux/if_ether.h>
#include <linux/slab.h>
#include <asm/io.h>
#include <linux/inet.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/if_arp.h>
#include <linux/skbuff.h>
#include <net/ip.h>
#include <net/arp.h>
#include <net/ax25.h>
#include <net/rose.h>
static int rose_header(struct sk_buff *skb, struct net_device *dev,
unsigned short type,
const void *daddr, const void *saddr, unsigned int len)
{
unsigned char *buff = skb_push(skb, ROSE_MIN_LEN + 2);
if (daddr)
memcpy(buff + 7, daddr, dev->addr_len);
*buff++ = ROSE_GFI | ROSE_Q_BIT;
*buff++ = 0x00;
*buff++ = ROSE_DATA;
*buff++ = 0x7F;
*buff++ = AX25_P_IP;
if (daddr != NULL)
return 37;
return -37;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds (pre-git) | 90 | 81.82% | 3 | 50.00% |
| Eric W. Biedermann | 17 | 15.45% | 1 | 16.67% |
| Stephen Hemminger | 2 | 1.82% | 1 | 16.67% |
| Eric Dumazet | 1 | 0.91% | 1 | 16.67% |
| Total | 110 | 100.00% | 6 | 100.00% |
static int rose_set_mac_address(struct net_device *dev, void *addr)
{
struct sockaddr *sa = addr;
int err;
if (!memcmp(dev->dev_addr, sa->sa_data, dev->addr_len))
return 0;
if (dev->flags & IFF_UP) {
err = rose_add_loopback_node((rose_address *)sa->sa_data);
if (err)
return err;
rose_del_loopback_node((rose_address *)dev->dev_addr);
}
memcpy(dev->dev_addr, sa->sa_data, dev->addr_len);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Ralf Bächle | 51 | 48.57% | 1 | 20.00% |
| Linus Torvalds (pre-git) | 51 | 48.57% | 3 | 60.00% |
| Daniel Borkmann | 3 | 2.86% | 1 | 20.00% |
| Total | 105 | 100.00% | 5 | 100.00% |
static int rose_open(struct net_device *dev)
{
int err;
err = rose_add_loopback_node((rose_address *)dev->dev_addr);
if (err)
return err;
netif_start_queue(dev);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds (pre-git) | 25 | 59.52% | 3 | 75.00% |
| Ralf Bächle | 17 | 40.48% | 1 | 25.00% |
| Total | 42 | 100.00% | 4 | 100.00% |
static int rose_close(struct net_device *dev)
{
netif_stop_queue(dev);
rose_del_loopback_node((rose_address *)dev->dev_addr);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds (pre-git) | 30 | 100.00% | 5 | 100.00% |
| Total | 30 | 100.00% | 5 | 100.00% |
static netdev_tx_t rose_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct net_device_stats *stats = &dev->stats;
unsigned int len = skb->len;
if (!netif_running(dev)) {
printk(KERN_ERR "ROSE: rose_xmit - called when iface is down\n");
return NETDEV_TX_BUSY;
}
if (!rose_route_frame(skb, NULL)) {
dev_kfree_skb(skb);
stats->tx_errors++;
return NETDEV_TX_OK;
}
stats->tx_packets++;
stats->tx_bytes += len;
return NETDEV_TX_OK;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds (pre-git) | 52 | 56.52% | 6 | 54.55% |
| Eric W. Biedermann | 34 | 36.96% | 1 | 9.09% |
| Stephen Hemminger | 4 | 4.35% | 2 | 18.18% |
| Patrick McHardy | 2 | 2.17% | 2 | 18.18% |
| Total | 92 | 100.00% | 11 | 100.00% |
static const struct header_ops rose_header_ops = {
.create = rose_header,
};
static const struct net_device_ops rose_netdev_ops = {
.ndo_open = rose_open,
.ndo_stop = rose_close,
.ndo_start_xmit = rose_xmit,
.ndo_set_mac_address = rose_set_mac_address,
};
void rose_setup(struct net_device *dev)
{
dev->mtu = ROSE_MAX_PACKET_SIZE - 2;
dev->netdev_ops = &rose_netdev_ops;
dev->header_ops = &rose_header_ops;
dev->hard_header_len = AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN + ROSE_MIN_LEN;
dev->addr_len = ROSE_ADDR_LEN;
dev->type = ARPHRD_ROSE;
/* New-style flags. */
dev->flags = IFF_NOARP;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds (pre-git) | 52 | 85.25% | 3 | 42.86% |
| Stephen Hemminger | 8 | 13.11% | 3 | 42.86% |
| Ralf Bächle | 1 | 1.64% | 1 | 14.29% |
| Total | 61 | 100.00% | 7 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds (pre-git) | 369 | 66.61% | 11 | 42.31% |
| Ralf Bächle | 70 | 12.64% | 3 | 11.54% |
| Stephen Hemminger | 55 | 9.93% | 5 | 19.23% |
| Eric W. Biedermann | 51 | 9.21% | 2 | 7.69% |
| Daniel Borkmann | 3 | 0.54% | 1 | 3.85% |
| Tejun Heo | 3 | 0.54% | 1 | 3.85% |
| Patrick McHardy | 2 | 0.36% | 2 | 7.69% |
| Eric Dumazet | 1 | 0.18% | 1 | 3.85% |
| Total | 554 | 100.00% | 26 | 100.00% |
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