aboutsummaryrefslogtreecommitdiffstats
path: root/kernel/nsproxy.c
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/nsproxy.c')
0 files changed, 0 insertions, 0 deletions
generated by cgit v1.2.2 (git 2.25.0) at 2025-10-24 07:55:54 -0400
t; 2005-04-16 18:20:36 -0400 Linux-2.6.12-rc2' href='/cgit/cgit.cgi/litmus-rt.git/commit/include/net/dsfield.h?h=wip-percore-lib&id=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2'>1da177e4c3f4 
3c3f48660343

1da177e4c3f4

3c3f48660343

1da177e4c3f4






5c78f275e696

1da177e4c3f4







5c78f275e696

1da177e4c3f4









8a9ae2110baf

1da177e4c3f4

8a9ae2110baf

1da177e4c3f4




1
2
3
4
5
6
7
8
9
10
11
12
13
14

15

16
17
18
19
20

21

22

23

24
25
26
27
28
29

30

31
32
33
34
35
36
37

38

39
40
41
42
43
44
45
46
47

48

49

50

51
52
53
54














                                                                               
                                                            




                        
                                                                
 
                                                  





                                                                   
                                                        






                                                        
                                                   








                                                                       
                                       
                                                            
                                       



      
/* include/net/dsfield.h - Manipulation of the Differentiated Services field */

/* Written 1998-2000 by Werner Almesberger, EPFL ICA */


#ifndef __NET_DSFIELD_H
#define __NET_DSFIELD_H

#include <linux/types.h>
#include <linux/ip.h>
#include <linux/ipv6.h>
#include <asm/byteorder.h>


static inline __u8 ipv4_get_dsfield(const struct iphdr *iph)
{
	return iph->tos;
}


static inline __u8 ipv6_get_dsfield(const struct ipv6hdr *ipv6h)
{
	return ntohs(*(const __be16 *)ipv6h) >> 4;
}


static inline void ipv4_change_dsfield(struct iphdr *iph,__u8 mask,
    __u8 value)
{
        __u32 check = ntohs((__force __be16)iph->check);
	__u8 dsfield;

	dsfield = (iph->tos & mask) | value;
	check += iph->tos;
	if ((check+1) >> 16) check = (check+1) & 0xffff;
	check -= dsfield;
	check += check >> 16; /* adjust carry */
	iph->check = (__force __sum16)htons(check);
	iph->tos = dsfield;
}


static inline void ipv6_change_dsfield(struct ipv6hdr *ipv6h,__u8 mask,
    __u8 value)
{
        __u16 tmp;

	tmp = ntohs(*(__be16 *) ipv6h);
	tmp = (tmp & ((mask << 4) | 0xf00f)) | (value << 4);
	*(__be16 *) ipv6h = htons(tmp);
}


#endif
generated by cgit v1.2.2 (git 2.25.0) at 2025-10-24 07:55:50 -0400