Contributors: 12
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Vlad Yasevich |
91 |
24.73% |
1 |
4.76% |
| Linus Torvalds (pre-git) |
88 |
23.91% |
7 |
33.33% |
| Heiner Kallweit |
50 |
13.59% |
1 |
4.76% |
| Arnaldo Carvalho de Melo |
40 |
10.87% |
1 |
4.76% |
| Américo Wang |
40 |
10.87% |
1 |
4.76% |
| Tom Herbert |
29 |
7.88% |
3 |
14.29% |
| Al Viro |
16 |
4.35% |
2 |
9.52% |
| Herbert Xu |
8 |
2.17% |
1 |
4.76% |
| David S. Miller |
2 |
0.54% |
1 |
4.76% |
| Thomas Gleixner |
2 |
0.54% |
1 |
4.76% |
| Alexander Duyck |
1 |
0.27% |
1 |
4.76% |
| Hideaki Yoshifuji / 吉藤英明 |
1 |
0.27% |
1 |
4.76% |
| Total |
368 |
|
21 |
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* INET An implementation of the TCP/IP protocol suite for the LINUX
* operating system. INET is implemented using the BSD Socket
* interface as the means of communication with the user level.
*
* Checksumming functions for IPv6
*
* Authors: Jorge Cwik, <jorge@laser.satlink.net>
* Arnt Gulbrandsen, <agulbra@nvg.unit.no>
* Borrows very liberally from tcp.c and ip.c, see those
* files for more names.
*/
/*
* Fixes:
*
* Ralf Baechle : generic ipv6 checksum
* <ralf@waldorf-gmbh.de>
*/
#ifndef _CHECKSUM_IPV6_H
#define _CHECKSUM_IPV6_H
#include <asm/types.h>
#include <asm/byteorder.h>
#include <net/ip.h>
#include <asm/checksum.h>
#include <linux/in6.h>
#include <linux/tcp.h>
#include <linux/ipv6.h>
#ifndef _HAVE_ARCH_IPV6_CSUM
__sum16 csum_ipv6_magic(const struct in6_addr *saddr,
const struct in6_addr *daddr,
__u32 len, __u8 proto, __wsum csum);
#endif
static inline __wsum ip6_compute_pseudo(struct sk_buff *skb, int proto)
{
return ~csum_unfold(csum_ipv6_magic(&ipv6_hdr(skb)->saddr,
&ipv6_hdr(skb)->daddr,
skb->len, proto, 0));
}
static __inline__ __sum16 tcp_v6_check(int len,
const struct in6_addr *saddr,
const struct in6_addr *daddr,
__wsum base)
{
return csum_ipv6_magic(saddr, daddr, len, IPPROTO_TCP, base);
}
static inline void __tcp_v6_send_check(struct sk_buff *skb,
const struct in6_addr *saddr,
const struct in6_addr *daddr)
{
struct tcphdr *th = tcp_hdr(skb);
th->check = ~tcp_v6_check(skb->len, saddr, daddr, 0);
skb->csum_start = skb_transport_header(skb) - skb->head;
skb->csum_offset = offsetof(struct tcphdr, check);
}
static inline void tcp_v6_gso_csum_prep(struct sk_buff *skb)
{
struct ipv6hdr *ipv6h = ipv6_hdr(skb);
struct tcphdr *th = tcp_hdr(skb);
ipv6h->payload_len = 0;
th->check = ~tcp_v6_check(0, &ipv6h->saddr, &ipv6h->daddr, 0);
}
static inline __sum16 udp_v6_check(int len,
const struct in6_addr *saddr,
const struct in6_addr *daddr,
__wsum base)
{
return csum_ipv6_magic(saddr, daddr, len, IPPROTO_UDP, base);
}
void udp6_set_csum(bool nocheck, struct sk_buff *skb,
const struct in6_addr *saddr,
const struct in6_addr *daddr, int len);
int udp6_csum_init(struct sk_buff *skb, struct udphdr *uh, int proto);
#endif