forked from mirrors/linux
d869dea664
This change fixes a couple of type mismatch reported by the sparse tool, explicitly using the requested type for the offending arguments. Signed-off-by: Paolo Abeni <pabeni@redhat.com> Acked-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
62 lines
2.3 KiB
C
62 lines
2.3 KiB
C
/*
|
|
* include/net/tipc.h: Include file for TIPC message header routines
|
|
*
|
|
* Copyright (c) 2017 Ericsson AB
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* 3. Neither the names of the copyright holders nor the names of its
|
|
* contributors may be used to endorse or promote products derived from
|
|
* this software without specific prior written permission.
|
|
*
|
|
* Alternatively, this software may be distributed under the terms of the
|
|
* GNU General Public License ("GPL") version 2 as published by the Free
|
|
* Software Foundation.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef _TIPC_HDR_H
|
|
#define _TIPC_HDR_H
|
|
|
|
#include <linux/random.h>
|
|
|
|
#define KEEPALIVE_MSG_MASK 0x0e080000 /* LINK_PROTOCOL + MSG_IS_KEEPALIVE */
|
|
|
|
struct tipc_basic_hdr {
|
|
__be32 w[4];
|
|
};
|
|
|
|
static inline __be32 tipc_hdr_rps_key(struct tipc_basic_hdr *hdr)
|
|
{
|
|
u32 w0 = ntohl(hdr->w[0]);
|
|
bool keepalive_msg = (w0 & KEEPALIVE_MSG_MASK) == KEEPALIVE_MSG_MASK;
|
|
__be32 key;
|
|
|
|
/* Return source node identity as key */
|
|
if (likely(!keepalive_msg))
|
|
return hdr->w[3];
|
|
|
|
/* Spread PROBE/PROBE_REPLY messages across the cores */
|
|
get_random_bytes(&key, sizeof(key));
|
|
return key;
|
|
}
|
|
|
|
#endif
|