patch-1.3.10 linux/include/net/head_explode.h

• Lines: 141
• Date: Thu Jan 1 02:00:00 1970
• Orig file: v1.3.9/linux/include/net/head_explode.h
• Orig date: Tue Jun 6 11:22:17 1995

diff -u --recursive --new-file v1.3.9/linux/include/net/head_explode.h linux/include/net/head_explode.h
@@ -1,140 +0,0 @@
-/*
- *	Header exploders. We inline those only appearing once.
- *
- *	We assume 8 bit bytes.
- *
- *	This is oriented to getting good code out of GCC. It may need
- *	tuning for other processors.
- *
- *	Note only IGMP uses this so far. Just as an experiment.
- */
- 
- 
-extern __inline__ unsigned char *exp_getu16(unsigned char *bp, unsigned short *u)
-{
-	*u=(*bp<<8)|bp[1];
-	return bp+2;
-}
-
-extern __inline__ unsigned char *exp_getn16(unsigned char *bp, unsigned short *u)
-{
-	unsigned char *tp=(unsigned char *)u;
-	*tp++=*bp++;
-	*tp++=*bp++;
-	return bp;
-}
-
-extern __inline__ unsigned char *imp_putu16(unsigned char *bp, unsigned short n)
-{
-	*bp=(n>>8);
-	bp[1]=n&0xFF;
-	return bp+2;
-}
-
-extern __inline__ unsigned char *imp_putn16(unsigned char *bp, unsigned short n)
-{
-	unsigned char *sp=(unsigned char *)&n;
-	*bp++=*sp++;
-	*bp++=*sp++;
-	return bp;
-}
-
-extern __inline__ unsigned char *exp_getu32(unsigned char *bp, unsigned long *u)
-{
-	*u=(bp[0]<<24)|(bp[1]<<16)|(bp[2]<<8)|bp[3];
-	return bp+4;
-}
-
-extern __inline__ unsigned char *exp_getn32(unsigned char *bp, unsigned long *u)
-{
-	unsigned char *tp=(unsigned char *)u;
-	*tp++=*bp++;
-	*tp++=*bp++;
-	*tp++=*bp++;
-	*tp++=*bp++;
-	return bp;
-}
-
-extern __inline__ unsigned char *imp_putu32(unsigned char *bp, unsigned long n)
-{
-	bp[0]=n>>24;
-	bp[1]=(n>>16)&0xFF;
-	bp[2]=(n>>8)&0xFF;
-	bp[3]=n&0xFF;
-	return bp+4;
-}
-
-extern __inline__ unsigned char *imp_putn32(unsigned char *bp, unsigned long n)
-{
-	unsigned char *sp=(unsigned char *)&n;
-	*bp++=*sp++;
-	*bp++=*sp++;
-	*bp++=*sp++;
-	*bp++=*sp++;
-	return bp;
-}
-
-#if 0
-
-extern __inline__ unsigned char *ip_explode(unsigned char *iph, struct ip_header *ip)
-{
-	ip->version=*iph>>4;		/* Avoid the shift. We do our equality checks shifted too */
-	ip->ihl=(*iph++)&0xF;		/* Length in long words */
-	ip->tos=*iph++;			/* Service type */
-	iph=exp_getu16(iph,&ip->tot_len);	/* Length of packet */
-	iph=exp_getu16(iph,&ip->id);		/* Packet identity */
-	iph=exp_getu16(iph,&ip->frag_off);	/* Fragment offset */
-	ip->ttl=*iph++;
-	ip->protocol=*iph++;
-	iph=exp_getn16(iph,&ip->check);
-	iph=exp_getn32(iph,&ip->saddr);
-	iph=exp_getn32(iph,&ip->daddr);
-	return iph;
-}
-
-extern __inline__ unsigned char *icmp_explode(unsigned char *icmph, struct icmp_header *icmp)
-{
-	icmp->type=*icmp++;
-	icmp->code=*icmp++;
-	icmph=exp_getn16(icmph,&icmp->checksum);
-	/* These two pairs are a union... expand both */
-	exp_getu32(icmph,&icmp->gateway);	
-	icmph=exp_getu16(icmph,&icmp->id);
-	icmph=exp_getu16(icmph,&icmp->sequence);
-	return icmph;
-}
-
-#endif
-
-extern __inline__ unsigned char *igmp_explode(unsigned char *igmph, struct igmp_header *igmp)
-{
-	igmp->type=*igmph++;
-	igmph++;	/* unused */
-	igmph=exp_getn16(igmph,&igmp->csum);
-	igmph=exp_getn32(igmph,&igmp->group);
-	return igmph;
-}
-
-#if 0
-extern __inline__ unsigned char *tcp_explode(unsigned char *tcph, struct tcp_header *tcp)
-{
-	tcph=exp_getu16(tcph,&tcp->source);
-	tcph=exp_getu16(tcph,&tcp->dest);
-	tcph=exp_getu32(tcph,&tcp->seq);
-	tcph=exp_getu32(tcph,&tcp->ack_seq);
-	tcph=exp_getu16(tcph,&tcp->u.bitmask);
-	tcph=exp_getu16(tcph,&tcp->window);
-	tcph=exp_getn16(tcph,&tcp->check);
-	tcph=exp_getu16(tcph,&tcp->urg_ptr);
-	return tcph;
-}
-
-extern __inline__ unsigned char *udp_explode(unsigned char *udph, struct udp_header *udp)
-{
-	udph=exp_getu16(tcph,&udp->source);
-	udph=exp_getu16(udph,&udp->dest);
-	udph=exp_getu16(udph,&udp->len);
-	udph=exp_getn16(udph,&udp->check);
-	return udph;
-}
-#endif