root/include/asm-alpha/ipsum.h

/* */

DEFINITIONS

1. udp_check
2. tcp_check
3. ip_compute_csum
4. ip_fast_csum

   1 #ifndef __ASM_IPSUM_H
   2 #define __ASM_IPSUM_H
   3 
   4 /*
   5  *      This routine computes a UDP checksum. 
   6  */
   7 extern inline unsigned short udp_check(struct udphdr *uh, int len, u32 saddr, u32 daddr)
     /*  */
   8 {
   9         /* uhh.. eventually */
  10         return 0;
  11 }
  12 
  13 /*
  14  *      This routine computes a TCP checksum. 
  15  */
  16 extern inline unsigned short tcp_check(struct tcphdr *th, int len, u32 saddr, u32 daddr)
     /*  */
  17 {     
  18         /* uhh.. eventually */
  19         return 0;
  20 }
  21 
  22 
  23 /*
  24  * This routine does all the checksum computations that don't
  25  * require anything special (like copying or special headers).
  26  */
  27 
  28 extern inline unsigned short ip_compute_csum(unsigned char * buff, int len)
     /*  */
  29 {
  30         /* uhh.. eventually */
  31         return 0;
  32 }
  33 
  34 /*
  35  *      This is a version of ip_compute_csum() optimized for IP headers, which
  36  *      always checksum on 4 octet boundaries.
  37  */
  38 
  39 static inline unsigned short ip_fast_csum(unsigned char * buff, int wlen)
     /*  */
  40 {
  41         /* uhh.. eventually */
  42         return 0;
  43 }
  44 
  45 #endif

/* */