/*
 * Copyright (c) 2015 Tom Herbert <tom@herbertland.com>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 */

#ifndef __ILA_H
#define __ILA_H

#include <linux/errno.h>
#include <linux/ip.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/socket.h>
#include <linux/skbuff.h>
#include <linux/types.h>
#include <net/checksum.h>
#include <net/ip.h>
#include <net/protocol.h>
#include <uapi/linux/ila.h>

struct ila_locator {
	union {
		__u8            v8[8];
		__be16          v16[4];
		__be32          v32[2];
		__be64		v64;
	};
};

struct ila_identifier {
	union {
		struct {
#if defined(__LITTLE_ENDIAN_BITFIELD)
			u8 __space:4;
			u8 csum_neutral:1;
			u8 type:3;
#elif defined(__BIG_ENDIAN_BITFIELD)
			u8 type:3;
			u8 csum_neutral:1;
			u8 __space:4;
#else
#error  "Adjust your <asm/byteorder.h> defines"
#endif
			u8 __space2[7];
		};
		__u8            v8[8];
		__be16          v16[4];
		__be32          v32[2];
		__be64		v64;
	};
};

enum {
	ILA_ATYPE_IID = 0,
	ILA_ATYPE_LUID,
	ILA_ATYPE_VIRT_V4,
	ILA_ATYPE_VIRT_UNI_V6,
	ILA_ATYPE_VIRT_MULTI_V6,
	ILA_ATYPE_RSVD_1,
	ILA_ATYPE_RSVD_2,
	ILA_ATYPE_RSVD_3,
};

#define CSUM_NEUTRAL_FLAG	htonl(0x10000000)

struct ila_addr {
	union {
		struct in6_addr addr;
		struct {
			struct ila_locator loc;
			struct ila_identifier ident;
		};
	};
};

static inline struct ila_addr *ila_a2i(struct in6_addr *addr)
{
	return (struct ila_addr *)addr;
}

static inline bool ila_addr_is_ila(struct ila_addr *iaddr)
{
	return (iaddr->ident.type != ILA_ATYPE_IID);
}

struct ila_params {
	struct ila_locator locator;
	struct ila_locator locator_match;
	__wsum csum_diff;
	u8 csum_mode;
};

static inline __wsum compute_csum_diff8(const __be32 *from, const __be32 *to)
{
	__be32 diff[] = {
		~from[0], ~from[1], to[0], to[1],
	};

	return csum_partial(diff, sizeof(diff), 0);
}

static inline bool ila_csum_neutral_set(struct ila_identifier ident)
{
	return !!(ident.csum_neutral);
}

void ila_update_ipv6_locator(struct sk_buff *skb, struct ila_params *p,
			     bool set_csum_neutral);

void ila_init_saved_csum(struct ila_params *p);

int ila_lwt_init(void);
void ila_lwt_fini(void);
int ila_xlat_init(void);
void ila_xlat_fini(void);

#endif /* __ILA_H */
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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/bluetooth?id=3f5c34c6d4688b3b7e1dbc7bbc68a2f03a0d6b0c'>bluetooth</a>/<a href='/cgit.cgi/linux/net-next.git/commit/net/bluetooth/rfcomm?id=3f5c34c6d4688b3b7e1dbc7bbc68a2f03a0d6b0c'>rfcomm</a>/<a href='/cgit.cgi/linux/net-next.git/commit/net/bluetooth/rfcomm/Kconfig?id=3f5c34c6d4688b3b7e1dbc7bbc68a2f03a0d6b0c'>Kconfig</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/bluetooth/rfcomm/Kconfig?id=3f5c34c6d4688b3b7e1dbc7bbc68a2f03a0d6b0c'>3f5c34c6d4688b3b7e1dbc7bbc68a2f03a0d6b0c</a> (<a href='/cgit.cgi/linux/net-next.git/patch/net/bluetooth/rfcomm/Kconfig?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/bluetooth/rfcomm/Kconfig?id=3f5c34c6d4688b3b7e1dbc7bbc68a2f03a0d6b0c'>net/bluetooth/rfcomm/Kconfig</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/net/bluetooth/rfcomm/Kconfig?id=62ed8ceda1699acae01b666497f004bfd3d67a6f'>62ed8ceda1699acae01b666497f004bfd3d67a6f</a> (<a href='/cgit.cgi/linux/net-next.git/diff/net/bluetooth/rfcomm/Kconfig?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/bluetooth/rfcomm/Kconfig')</div><table summary='diffstat' class='diffstat'>