diff options
Diffstat (limited to 'ANDROID_3.4.5/include/net/dsfield.h')
| -rw-r--r-- | ANDROID_3.4.5/include/net/dsfield.h | 54 |
1 files changed, 0 insertions, 54 deletions
diff --git a/ANDROID_3.4.5/include/net/dsfield.h b/ANDROID_3.4.5/include/net/dsfield.h deleted file mode 100644 index 8a8d4e06..00000000 --- a/ANDROID_3.4.5/include/net/dsfield.h +++ /dev/null @@ -1,54 +0,0 @@ -/* 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 |