/* 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
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=3f5c34c6d4688b3b7e1dbc7bbc68a2f03a0d6b0c'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/net?id=3f5c34c6d4688b3b7e1dbc7bbc68a2f03a0d6b0c'>net</a>/<a href='/cgit.cgi/linux/net-next.git/commit/net/sunrpc?id=3f5c34c6d4688b3b7e1dbc7bbc68a2f03a0d6b0c'>sunrpc</a>/<a href='/cgit.cgi/linux/net-next.git/commit/net/sunrpc/sched.c?id=3f5c34c6d4688b3b7e1dbc7bbc68a2f03a0d6b0c'>sched.c</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='3f5c34c6d4688b3b7e1dbc7bbc68a2f03a0d6b0c'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Manuel Lauss &lt;manuel.lauss@gmail.com&gt;</td><td class='right'>2017-01-24 10:12:00 -0800</td></tr>
<tr><th>committer</th><td>Dmitry Torokhov &lt;dmitry.torokhov@gmail.com&gt;</td><td class='right'>2017-01-24 10:27:34 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/sunrpc/sched.c?id=3f5c34c6d4688b3b7e1dbc7bbc68a2f03a0d6b0c'>3f5c34c6d4688b3b7e1dbc7bbc68a2f03a0d6b0c</a> (<a href='/cgit.cgi/linux/net-next.git/patch/net/sunrpc/sched.c?id=3f5c34c6d4688b3b7e1dbc7bbc68a2f03a0d6b0c'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=3f5c34c6d4688b3b7e1dbc7bbc68a2f03a0d6b0c'>b9387d85890c4466d9cf3d3145c95e0b07235234</a> /<a href='/cgit.cgi/linux/net-next.git/tree/net/sunrpc/sched.c?id=3f5c34c6d4688b3b7e1dbc7bbc68a2f03a0d6b0c'>net/sunrpc/sched.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/sunrpc/sched.c?id=62ed8ceda1699acae01b666497f004bfd3d67a6f'>62ed8ceda1699acae01b666497f004bfd3d67a6f</a> (<a href='/cgit.cgi/linux/net-next.git/diff/net/sunrpc/sched.c?id=3f5c34c6d4688b3b7e1dbc7bbc68a2f03a0d6b0c&amp;id2=62ed8ceda1699acae01b666497f004bfd3d67a6f'>diff</a>)</td></tr></table>
<div class='commit-subject'>Input: wm97xx - make missing platform data non-fatal</div><div class='commit-msg'>Commit 6480af4915d6 ("power_supply: wm97xx_battery: use
power_supply_get_drvdata") made wm97xx platform data mandatory, although
it's still optional.

This patch fixes an oops during driver probe on one of my MIPS boards with
a wm9712.

Signed-off-by: Manuel Lauss &lt;manuel.lauss@gmail.com&gt;
Reviewed-by: Robert Jarzmik &lt;robert.jarzmik@free.fr&gt;
Acked-by: Charles Keepax &lt;ckeepax@opensource.wolfsonmicro.com&gt;
Signed-off-by: Dmitry Torokhov &lt;dmitry.torokhov@gmail.com&gt;</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=3f5c34c6d4688b3b7e1dbc7bbc68a2f03a0d6b0c'>Diffstat</a> (limited to 'net/sunrpc/sched.c')</div><table summary='diffstat' class='diffstat'>