Release 4.7 net/netrom/nr_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 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> /* For the statistics structure. */
#include <linux/slab.h>
#include <linux/uaccess.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/netrom.h>
/*
* Only allow IP over NET/ROM frames through if the netrom device is up.
*/
int nr_rx_ip(struct sk_buff *skb, struct net_device *dev)
{
struct net_device_stats *stats = &dev->stats;
if (!netif_running(dev)) {
stats->rx_dropped++;
return 0;
}
stats->rx_packets++;
stats->rx_bytes += skb->len;
skb->protocol = htons(ETH_P_IP);
/* Spoof incoming device */
skb->dev = dev;
skb->mac_header = skb->network_header;
skb_reset_network_header(skb);
skb->pkt_type = PACKET_HOST;
netif_rx(skb);
return 1;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| pre-git | pre-git | 85 | 85.86% | 7 | 58.33% |
| david s. miller | david s. miller | 6 | 6.06% | 1 | 8.33% |
| stephen hemminger | stephen hemminger | 3 | 3.03% | 1 | 8.33% |
| arnaldo carvalho de melo | arnaldo carvalho de melo | 3 | 3.03% | 1 | 8.33% |
| ralf baechle | ralf baechle | 2 | 2.02% | 2 | 16.67% |
| Total | 99 | 100.00% | 12 | 100.00% |
static int nr_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, NR_NETWORK_LEN + NR_TRANSPORT_LEN);
memcpy(buff, (saddr != NULL) ? saddr : dev->dev_addr, dev->addr_len);
buff[6] &= ~AX25_CBIT;
buff[6] &= ~AX25_EBIT;
buff[6] |= AX25_SSSID_SPARE;
buff += AX25_ADDR_LEN;
if (daddr != NULL)
memcpy(buff, daddr, dev->addr_len);
buff[6] &= ~AX25_CBIT;
buff[6] |= AX25_EBIT;
buff[6] |= AX25_SSSID_SPARE;
buff += AX25_ADDR_LEN;
*buff++ = sysctl_netrom_network_ttl_initialiser;
*buff++ = NR_PROTO_IP;
*buff++ = NR_PROTO_IP;
*buff++ = 0;
*buff++ = 0;
*buff++ = NR_PROTOEXT;
if (daddr != NULL)
return 37;
return -37;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| pre-git | pre-git | 185 | 98.40% | 2 | 50.00% |
| stephen hemminger | stephen hemminger | 2 | 1.06% | 1 | 25.00% |
| eric dumazet | eric dumazet | 1 | 0.53% | 1 | 25.00% |
| Total | 188 | 100.00% | 4 | 100.00% |
static int __must_check nr_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 = ax25_listen_register((ax25_address *)sa->sa_data, NULL);
if (err)
return err;
ax25_listen_release((ax25_address *)dev->dev_addr, NULL);
}
memcpy(dev->dev_addr, sa->sa_data, dev->addr_len);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| pre-git | pre-git | 51 | 46.36% | 4 | 66.67% |
| ralf baechle | ralf baechle | 49 | 44.55% | 1 | 16.67% |
| jeroen vreeken | jeroen vreeken | 10 | 9.09% | 1 | 16.67% |
| Total | 110 | 100.00% | 6 | 100.00% |
static int nr_open(struct net_device *dev)
{
int err;
err = ax25_listen_register((ax25_address *)dev->dev_addr, NULL);
if (err)
return err;
netif_start_queue(dev);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| pre-git | pre-git | 27 | 61.36% | 3 | 75.00% |
| ralf baechle | ralf baechle | 17 | 38.64% | 1 | 25.00% |
| Total | 44 | 100.00% | 4 | 100.00% |
static int nr_close(struct net_device *dev)
{
ax25_listen_release((ax25_address *)dev->dev_addr, NULL);
netif_stop_queue(dev);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| pre-git | pre-git | 27 | 84.38% | 3 | 75.00% |
| jeroen vreeken | jeroen vreeken | 5 | 15.62% | 1 | 25.00% |
| Total | 32 | 100.00% | 4 | 100.00% |
static netdev_tx_t nr_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct net_device_stats *stats = &dev->stats;
unsigned int len = skb->len;
if (!nr_route_frame(skb, NULL)) {
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 |
| ralf baechle | ralf baechle | 42 | 57.53% | 2 | 25.00% |
| pre-git | pre-git | 27 | 36.99% | 3 | 37.50% |
| patrick mchardy | patrick mchardy | 2 | 2.74% | 1 | 12.50% |
| stephen hemminger | stephen hemminger | 2 | 2.74% | 2 | 25.00% |
| Total | 73 | 100.00% | 8 | 100.00% |
static const struct header_ops nr_header_ops = {
.create = nr_header,
};
static const struct net_device_ops nr_netdev_ops = {
.ndo_open = nr_open,
.ndo_stop = nr_close,
.ndo_start_xmit = nr_xmit,
.ndo_set_mac_address = nr_set_mac_address,
};
void nr_setup(struct net_device *dev)
{
dev->mtu = NR_MAX_PACKET_SIZE;
dev->netdev_ops = &nr_netdev_ops;
dev->header_ops = &nr_header_ops;
dev->hard_header_len = NR_NETWORK_LEN + NR_TRANSPORT_LEN;
dev->addr_len = AX25_ADDR_LEN;
dev->type = ARPHRD_NETROM;
/* New-style flags. */
dev->flags = IFF_NOARP;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| pre-git | pre-git | 48 | 84.21% | 4 | 50.00% |
| stephen hemminger | stephen hemminger | 8 | 14.04% | 3 | 37.50% |
| ralf baechle | ralf baechle | 1 | 1.75% | 1 | 12.50% |
| Total | 57 | 100.00% | 8 | 100.00% |
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| pre-git | pre-git | 523 | 72.44% | 13 | 40.62% |
| ralf baechle | ralf baechle | 112 | 15.51% | 7 | 21.88% |
| stephen hemminger | stephen hemminger | 56 | 7.76% | 5 | 15.62% |
| jeroen vreeken | jeroen vreeken | 15 | 2.08% | 1 | 3.12% |
| david s. miller | david s. miller | 6 | 0.83% | 1 | 3.12% |
| arnaldo carvalho de melo | arnaldo carvalho de melo | 3 | 0.42% | 1 | 3.12% |
| tejun heo | tejun heo | 3 | 0.42% | 1 | 3.12% |
| patrick mchardy | patrick mchardy | 2 | 0.28% | 1 | 3.12% |
| fabian frederick | fabian frederick | 1 | 0.14% | 1 | 3.12% |
| eric dumazet | eric dumazet | 1 | 0.14% | 1 | 3.12% |
| Total | 722 | 100.00% | 32 | 100.00% |
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