/*
 * netsniff-ng - the packet sniffing beast
 * Copyright (C) 2009, 2010 Daniel Borkmann
 * Copyright (C) 2012 Christoph Jaeger <christoph@netsniff-ng.org>
 * Subject to the GPL, version 2.
 */

#ifndef IPV6_H
#define IPV6_H

#include <asm/byteorder.h>

#include "built_in.h"

/*
 * IPv6 fixed header
 *
 * BEWARE, it is incorrect. The first 4 bits of flow_lbl
 * are glued to priority now, forming "class".
 */
struct ipv6hdr {
#if defined(__LITTLE_ENDIAN_BITFIELD)
	__extension__ uint8_t priority:4,
			      version:4;
#elif defined(__BIG_ENDIAN_BITFIELD)
	__extension__ uint8_t version:4,
			      priority:4;
#else
# error "Please fix <asm/byteorder.h>"
#endif
	uint8_t flow_lbl[3];
	uint16_t payload_len;
	uint8_t nexthdr;
	uint8_t hop_limit;
	struct in6_addr saddr;
	struct in6_addr daddr;
} __packed;

#endif /* IPV6_H */
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<tr><th>author</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2016-07-29 12:17:52 -0700</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2016-07-29 12:17:52 -0700</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=20d00ee829428ea6aab77fa3acca048a6f57d3bc'>20d00ee829428ea6aab77fa3acca048a6f57d3bc</a> (<a href='/cgit.cgi/linux/net-next.git/patch/?id=20d00ee829428ea6aab77fa3acca048a6f57d3bc'>patch</a>)</td></tr>
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<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/?h=nds-private-remove&amp;id=e7b4f2d8edbbc58c8e2c3134ff884611433ba3db'>e7b4f2d8edbbc58c8e2c3134ff884611433ba3db</a> (<a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=20d00ee829428ea6aab77fa3acca048a6f57d3bc&amp;id2=e7b4f2d8edbbc58c8e2c3134ff884611433ba3db'>diff</a>)</td></tr></table>
<div class='commit-subject'>Revert "vfs: add lookup_hash() helper"</div><div class='commit-msg'>This reverts commit 3c9fe8cdff1b889a059a30d22f130372f2b3885f.

As Miklos points out in commit c1b2cc1a765a, the "lookup_hash()" helper
is now unused, and in fact, with the hash salting changes, since the
hash of a dentry name now depends on the directory dentry it is in, the
helper function isn't even really likely to be useful.

So rather than keep it around in case somebody else might end up finding
a use for it, let's just remove the helper and not trick people into
thinking it might be a useful thing.

For example, I had obviously completely missed how the helper didn't
follow the normal dentry hashing patterns, and how the hash salting
patch broke overlayfs.  Things would quietly build and look sane, but
not work.

Suggested-by: Miklos Szeredi &lt;mszeredi@redhat.com&gt;
Signed-off-by: Linus Torvalds &lt;torvalds@linux-foundation.org&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?h=nds-private-remove&amp;id=20d00ee829428ea6aab77fa3acca048a6f57d3bc'>Diffstat</a></div><table summary='diffstat' class='diffstat'>