Contributors: 33
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Vlad Yasevich |
152 |
22.25% |
3 |
5.26% |
| Américo Wang |
147 |
21.52% |
2 |
3.51% |
| Willem de Bruijn |
66 |
9.66% |
1 |
1.75% |
| Herbert Xu |
37 |
5.42% |
1 |
1.75% |
| Linus Torvalds (pre-git) |
34 |
4.98% |
4 |
7.02% |
| Eric W. Biedermann |
26 |
3.81% |
7 |
12.28% |
| huizhang |
20 |
2.93% |
1 |
1.75% |
| Hideaki Yoshifuji / 吉藤英明 |
20 |
2.93% |
5 |
8.77% |
| Craig Gallek |
20 |
2.93% |
1 |
1.75% |
| David S. Miller |
18 |
2.64% |
3 |
5.26% |
| Hannes Frederic Sowa |
17 |
2.49% |
2 |
3.51% |
| David Ahern |
15 |
2.20% |
1 |
1.75% |
| Ben Hutchings |
14 |
2.05% |
1 |
1.75% |
| Sabrina Dubroca |
11 |
1.61% |
1 |
1.75% |
| Kazunori Miyazawa |
10 |
1.46% |
1 |
1.75% |
| Eli Cooper |
9 |
1.32% |
1 |
1.75% |
| Martin KaFai Lau |
8 |
1.17% |
2 |
3.51% |
| Eric Dumazet |
7 |
1.02% |
2 |
3.51% |
| Masahide Nakamura |
7 |
1.02% |
1 |
1.75% |
| Arnaldo Carvalho de Melo |
7 |
1.02% |
2 |
3.51% |
| Simon Horman |
6 |
0.88% |
1 |
1.75% |
| Pravin B Shelar |
5 |
0.73% |
1 |
1.75% |
| James Morris |
4 |
0.59% |
1 |
1.75% |
| Jason A. Donenfeld |
4 |
0.59% |
1 |
1.75% |
| Jan Engelhardt |
3 |
0.44% |
2 |
3.51% |
| Paul Gortmaker |
3 |
0.44% |
1 |
1.75% |
| Jesse Gross |
3 |
0.44% |
1 |
1.75% |
| Stefano Brivio |
3 |
0.44% |
1 |
1.75% |
| Alexey Dobriyan |
2 |
0.29% |
1 |
1.75% |
| Patrick McHardy |
2 |
0.29% |
2 |
3.51% |
| Mitsuru Kanda |
1 |
0.15% |
1 |
1.75% |
| Ian Morris |
1 |
0.15% |
1 |
1.75% |
| Thomas Gleixner |
1 |
0.15% |
1 |
1.75% |
| Total |
683 |
|
57 |
|
// SPDX-License-Identifier: GPL-2.0-only
/*
* IPv6 library code, needed by static components when full IPv6 support is
* not configured or static. These functions are needed by GSO/GRO implementation.
*/
#include <linux/export.h>
#include <net/ip.h>
#include <net/ipv6.h>
#include <net/ip6_fib.h>
#include <net/addrconf.h>
#include <net/secure_seq.h>
#include <linux/netfilter.h>
static u32 __ipv6_select_ident(struct net *net,
const struct in6_addr *dst,
const struct in6_addr *src)
{
return get_random_u32_above(0);
}
/* This function exists only for tap drivers that must support broken
* clients requesting UFO without specifying an IPv6 fragment ID.
*
* This is similar to ipv6_select_ident() but we use an independent hash
* seed to limit information leakage.
*
* The network header must be set before calling this.
*/
__be32 ipv6_proxy_select_ident(struct net *net, struct sk_buff *skb)
{
struct in6_addr buf[2];
struct in6_addr *addrs;
u32 id;
addrs = skb_header_pointer(skb,
skb_network_offset(skb) +
offsetof(struct ipv6hdr, saddr),
sizeof(buf), buf);
if (!addrs)
return 0;
id = __ipv6_select_ident(net, &addrs[1], &addrs[0]);
return htonl(id);
}
EXPORT_SYMBOL_GPL(ipv6_proxy_select_ident);
__be32 ipv6_select_ident(struct net *net,
const struct in6_addr *daddr,
const struct in6_addr *saddr)
{
u32 id;
id = __ipv6_select_ident(net, daddr, saddr);
return htonl(id);
}
EXPORT_SYMBOL(ipv6_select_ident);
int ip6_find_1stfragopt(struct sk_buff *skb, u8 **nexthdr)
{
unsigned int offset = sizeof(struct ipv6hdr);
unsigned int packet_len = skb_tail_pointer(skb) -
skb_network_header(skb);
int found_rhdr = 0;
*nexthdr = &ipv6_hdr(skb)->nexthdr;
while (offset <= packet_len) {
struct ipv6_opt_hdr *exthdr;
switch (**nexthdr) {
case NEXTHDR_HOP:
break;
case NEXTHDR_ROUTING:
found_rhdr = 1;
break;
case NEXTHDR_DEST:
#if IS_ENABLED(CONFIG_IPV6_MIP6)
if (ipv6_find_tlv(skb, offset, IPV6_TLV_HAO) >= 0)
break;
#endif
if (found_rhdr)
return offset;
break;
default:
return offset;
}
if (offset + sizeof(struct ipv6_opt_hdr) > packet_len)
return -EINVAL;
exthdr = (struct ipv6_opt_hdr *)(skb_network_header(skb) +
offset);
offset += ipv6_optlen(exthdr);
if (offset > IPV6_MAXPLEN)
return -EINVAL;
*nexthdr = &exthdr->nexthdr;
}
return -EINVAL;
}
EXPORT_SYMBOL(ip6_find_1stfragopt);
#if IS_ENABLED(CONFIG_IPV6)
int ip6_dst_hoplimit(struct dst_entry *dst)
{
int hoplimit = dst_metric_raw(dst, RTAX_HOPLIMIT);
if (hoplimit == 0) {
struct net_device *dev = dst->dev;
struct inet6_dev *idev;
rcu_read_lock();
idev = __in6_dev_get(dev);
if (idev)
hoplimit = READ_ONCE(idev->cnf.hop_limit);
else
hoplimit = READ_ONCE(dev_net(dev)->ipv6.devconf_all->hop_limit);
rcu_read_unlock();
}
return hoplimit;
}
EXPORT_SYMBOL(ip6_dst_hoplimit);
#endif
int __ip6_local_out(struct net *net, struct sock *sk, struct sk_buff *skb)
{
int len;
len = skb->len - sizeof(struct ipv6hdr);
if (len > IPV6_MAXPLEN)
len = 0;
ipv6_hdr(skb)->payload_len = htons(len);
IP6CB(skb)->nhoff = offsetof(struct ipv6hdr, nexthdr);
/* if egress device is enslaved to an L3 master device pass the
* skb to its handler for processing
*/
skb = l3mdev_ip6_out(sk, skb);
if (unlikely(!skb))
return 0;
skb->protocol = htons(ETH_P_IPV6);
return nf_hook(NFPROTO_IPV6, NF_INET_LOCAL_OUT,
net, sk, skb, NULL, skb_dst(skb)->dev,
dst_output);
}
EXPORT_SYMBOL_GPL(__ip6_local_out);
int ip6_local_out(struct net *net, struct sock *sk, struct sk_buff *skb)
{
int err;
err = __ip6_local_out(net, sk, skb);
if (likely(err == 1))
err = dst_output(net, sk, skb);
return err;
}
EXPORT_SYMBOL_GPL(ip6_local_out);