/*
 *  SR-IPv6 implementation
 *
 *  Author:
 *  David Lebrun <david.lebrun@uclouvain.be>
 *
 *
 *  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 _NET_SEG6_H
#define _NET_SEG6_H

#include <linux/net.h>
#include <linux/ipv6.h>
#include <net/lwtunnel.h>
#include <linux/seg6.h>
#include <linux/rhashtable.h>

static inline void update_csum_diff4(struct sk_buff *skb, __be32 from,
				     __be32 to)
{
	__be32 diff[] = { ~from, to };

	skb->csum = ~csum_partial((char *)diff, sizeof(diff), ~skb->csum);
}

static inline void update_csum_diff16(struct sk_buff *skb, __be32 *from,
				      __be32 *to)
{
	__be32 diff[] = {
		~from[0], ~from[1], ~from[2], ~from[3],
		to[0], to[1], to[2], to[3],
	};

	skb->csum = ~csum_partial((char *)diff, sizeof(diff), ~skb->csum);
}

struct seg6_pernet_data {
	struct mutex lock;
	struct in6_addr __rcu *tun_src;
#ifdef CONFIG_IPV6_SEG6_HMAC
	struct rhashtable hmac_infos;
#endif
};

static inline struct seg6_pernet_data *seg6_pernet(struct net *net)
{
	return net->ipv6.seg6_data;
}

extern int seg6_init(void);
extern void seg6_exit(void);
extern int seg6_iptunnel_init(void);
extern void seg6_iptunnel_exit(void);

extern bool seg6_validate_srh(struct ipv6_sr_hdr *srh, int len);

#endif
table>
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/log/?id=06425c308b92eaf60767bc71d359f4cbc7a561f8'>root</a>/<a href='/cgit.cgi/linux/net-next.git/log/include?id=06425c308b92eaf60767bc71d359f4cbc7a561f8'>include</a>/<a href='/cgit.cgi/linux/net-next.git/log/include/net?id=06425c308b92eaf60767bc71d359f4cbc7a561f8'>net</a>/<a href='/cgit.cgi/linux/net-next.git/log/include/net/ipcomp.h?id=06425c308b92eaf60767bc71d359f4cbc7a561f8'>ipcomp.h</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/net/ipcomp.h?id=06425c308b92eaf60767bc71d359f4cbc7a561f8&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
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<tr><th>author</th><td>Pablo Neira &lt;pablo@netfilter.org&gt;</td><td class='right'>2017-01-26 22:56:21 +0100</td></tr>
<tr><th>committer</th><td>David S. Miller &lt;davem@davemloft.net&gt;</td><td class='right'>2017-01-27 10:33:56 -0500</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/dt-bindings/sound?id=92e55f412cffd016cc245a74278cb4d7b89bb3bc'>92e55f412cffd016cc245a74278cb4d7b89bb3bc</a> (<a href='/cgit.cgi/linux/net-next.git/patch/include/dt-bindings/sound?id=92e55f412cffd016cc245a74278cb4d7b89bb3bc'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=92e55f412cffd016cc245a74278cb4d7b89bb3bc'>ab90e2e59c82daae60d2c953ef6c780e1f6e5550</a> /<a href='/cgit.cgi/linux/net-next.git/tree/include/dt-bindings/sound?id=92e55f412cffd016cc245a74278cb4d7b89bb3bc'>include/dt-bindings/sound</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/include/dt-bindings/sound?id=a47b70ea86bdeb3091341f5ae3ef580f1a1ad822'>a47b70ea86bdeb3091341f5ae3ef580f1a1ad822</a> (<a href='/cgit.cgi/linux/net-next.git/diff/include/dt-bindings/sound?id=92e55f412cffd016cc245a74278cb4d7b89bb3bc&amp;id2=a47b70ea86bdeb3091341f5ae3ef580f1a1ad822'>diff</a>)</td></tr></table>
<div class='commit-subject'>tcp: don't annotate mark on control socket from tcp_v6_send_response()</div><div class='commit-msg'>Unlike ipv4, this control socket is shared by all cpus so we cannot use
it as scratchpad area to annotate the mark that we pass to ip6_xmit().

Add a new parameter to ip6_xmit() to indicate the mark. The SCTP socket
family caches the flowi6 structure in the sctp_transport structure, so
we cannot use to carry the mark unless we later on reset it back, which
I discarded since it looks ugly to me.

Fixes: bf99b4ded5f8 ("tcp: fix mark propagation with fwmark_reflect enabled")
Suggested-by: Eric Dumazet &lt;eric.dumazet@gmail.com&gt;
Signed-off-by: Pablo Neira Ayuso &lt;pablo@netfilter.org&gt;
Signed-off-by: David S. Miller &lt;davem@davemloft.net&gt;
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=92e55f412cffd016cc245a74278cb4d7b89bb3bc'>Diffstat</a> (limited to 'include/dt-bindings/sound')</div><table summary='diffstat' class='diffstat'>