/* Copyright (C) 2014-2017 B.A.T.M.A.N. contributors:
*
* Linus Lüssing
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of version 2 of the GNU General Public
* License as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see .
*/
#ifndef _NET_BATMAN_ADV_MULTICAST_H_
#define _NET_BATMAN_ADV_MULTICAST_H_
#include "main.h"
struct seq_file;
struct sk_buff;
/**
* enum batadv_forw_mode - the way a packet should be forwarded as
* @BATADV_FORW_ALL: forward the packet to all nodes (currently via classic
* flooding)
* @BATADV_FORW_SINGLE: forward the packet to a single node (currently via the
* BATMAN unicast routing protocol)
* @BATADV_FORW_NONE: don't forward, drop it
*/
enum batadv_forw_mode {
BATADV_FORW_ALL,
BATADV_FORW_SINGLE,
BATADV_FORW_NONE,
};
#ifdef CONFIG_BATMAN_ADV_MCAST
enum batadv_forw_mode
batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb,
struct batadv_orig_node **mcast_single_orig);
void batadv_mcast_init(struct batadv_priv *bat_priv);
int batadv_mcast_flags_seq_print_text(struct seq_file *seq, void *offset);
void batadv_mcast_free(struct batadv_priv *bat_priv);
void batadv_mcast_purge_orig(struct batadv_orig_node *orig_node);
#else
static inline enum batadv_forw_mode
batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb,
struct batadv_orig_node **mcast_single_orig)
{
return BATADV_FORW_ALL;
}
static inline int batadv_mcast_init(struct batadv_priv *bat_priv)
{
return 0;
}
static inline void batadv_mcast_free(struct batadv_priv *bat_priv)
{
}
static inline void batadv_mcast_purge_orig(struct batadv_orig_node *orig_node)
{
}
#endif /* CONFIG_BATMAN_ADV_MCAST */
#endif /* _NET_BATMAN_ADV_MULTICAST_H_ */
1e3b725cfc282efe9d4a354153e99d86a16af08'>diff
crypto: arm64/aes-blk - honour iv_out requirement in CBC and CTR modes
Update the ARMv8 Crypto Extensions and the plain NEON AES implementations
in CBC and CTR modes to return the next IV back to the skcipher API client.
This is necessary for chaining to work correctly.
Note that for CTR, this is only done if the request is a round multiple of
the block size, since otherwise, chaining is impossible anyway.
Cc: <stable@vger.kernel.org> # v3.16+
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>