/* 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)
{
	__be16 *p = (__force __be16 *)ipv6h;

	*p = (*p & htons((((u16)mask << 4) | 0xf00f))) | htons((u16)value << 4);
}


#endif
-remove' selected='selected'>nds-private-remove</option>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?h=nds-private-remove&amp;id=b7eaf8f16e87c3896e9b8c0b2e54d71210d43b48'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/include?h=nds-private-remove&amp;id=b7eaf8f16e87c3896e9b8c0b2e54d71210d43b48'>include</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/include?h=nds-private-remove&amp;id=b7eaf8f16e87c3896e9b8c0b2e54d71210d43b48&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
<tr><td><span title='2017-02-11 21:25:18 -0500'>2017-02-11</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/include?h=nds-private-remove&amp;id=c16ec18599c8c1722d476011786fd9e2529888f7'>net: rename dst_neigh_output back to neigh_output</a></td><td>Julian Anastasov</td><td>2</td><td><span class='deletions'>-12</span>/<span class='insertions'>+10</span></td></tr>
<tr><td><span title='2017-02-11 20:59:41 -0500'>2017-02-11</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/include?h=nds-private-remove&amp;id=9a393b5d5988ea4eaa3e0da138321abe0dc03a68'>tap: tap as an independent module</a></td><td>Sainath Grandhi</td><td>1</td><td><span class='deletions'>-2</span>/<span class='insertions'>+2</span></td></tr>
<tr><td><span title='2017-02-11 20:59:41 -0500'>2017-02-11</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/include?h=nds-private-remove&amp;id=d9f1f61c0801a73ff36d416a7ede54229b231e1d'>tap: Extending tap device create/destroy APIs</a></td><td>Sainath Grandhi</td><td>1</td><td><span class='deletions'>-2</span>/<span class='insertions'>+2</span></td></tr>
<tr><td><span title='2017-02-11 20:59:41 -0500'>2017-02-11</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/include?h=nds-private-remove&amp;id=6fe3faf86757eb7f078ff06b23b206f17dc4fb36'>tap: Abstract type of virtual interface from tap implementation</a></td><td>Sainath Grandhi</td><td>1</td><td><span class='deletions'>-4</span>/<span class='insertions'>+53</span></td></tr>
<tr><td><span title='2017-02-11 20:59:41 -0500'>2017-02-11</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/include?h=nds-private-remove&amp;id=ebc05ba7e8600b52a2a0c87a43105143368aca2a'>tap: Tap character device creation/destroy API</a></td><td>Sainath Grandhi</td><td>1</td><td><span class='deletions'>-0</span>/<span class='insertions'>+3</span></td></tr>
<tr><td><span title='2017-02-11 20:59:41 -0500'>2017-02-11</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/include?h=nds-private-remove&amp;id=635b8c8ecdd27142d7fdab0df334b2e9201481cf'>tap: Renaming tap related APIs, data structures, macros</a></td><td>Sainath Grandhi</td><td>3</td><td><span class='deletions'>-25</span>/<span class='insertions'>+25</span></td></tr>
<tr><td><span title='2017-02-11 20:59:41 -0500'>2017-02-11</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/include?h=nds-private-remove&amp;id=a8e04698732736f59fefe72c675791a006b76e1d'>tap: Refactoring macvtap.c</a></td><td>Sainath Grandhi</td><td>1</td><td><span class='deletions'>-0</span>/<span class='insertions'>+10</span></td></tr>
<tr><td><span title='2017-02-11 02:31:11 -0500'>2017-02-11</span></td><td><a href='/cgit.cgi/linux/net-next.git/commit/include?h=nds-private-remove&amp;id=35eeacf1820a08305c2b0960febfa190f5a6dd63'>Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net</a></td><td>David S. Miller