root/include/asm-sparc/ipsum.h

/* */

DEFINITIONS

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

   1 #ifndef __SPARC_IPSUM_H
   2 #define __SPARC_IPSUM_H
   3 /*  ipsum.h:  IP/UDP/TCP checksum routines on the Sparc.
   4  *
   5  *  Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
   6  */
   7 
   8 /*
   9  *      This routine computes a UDP checksum. 
  10  */
  11 extern inline unsigned short udp_check(struct udphdr *uh, int len, u32 saddr, u32 daddr)
     /*  */
  12 {
  13         /* uhh.. eventually */
  14         return 0;
  15 }
  16 
  17 /*
  18  *      This routine computes a TCP checksum. 
  19  */
  20 extern inline unsigned short tcp_check(struct tcphdr *th, int len, u32 saddr, u32 daddr)
     /*  */
  21 {     
  22         /* uhh.. eventually */
  23         return 0;
  24 }
  25 
  26 
  27 /*
  28  * This routine does all the checksum computations that don't
  29  * require anything special (like copying or special headers).
  30  */
  31 
  32 extern inline unsigned short ip_compute_csum(unsigned char * buff, int len)
     /*  */
  33 {
  34         /* uhh.. eventually */
  35         return 0;
  36 }
  37 
  38 /*
  39  *      This is a version of ip_compute_csum() optimized for IP headers, which
  40  *      always checksum on 4 octet boundaries.
  41  */
  42 
  43 static inline unsigned short ip_fast_csum(unsigned char * buff, int wlen)
     /*  */
  44 {
  45         /* uhh.. eventually */
  46         return 0;
  47 }
  48 
  49 #endif /* !(__SPARC_IPSUM_H) */

/* */