linux/drivers/infiniband/hw/usnic/usnic_common_util.h
Yuval Shaia 4d6f28591f {net,IB}/{rxe,usnic}: Utilize generic mac to eui32 function
This logic seems to be duplicated in (at least) three separate files.
Move it to one place so code can be re-use.

Signed-off-by: Yuval Shaia <yuval.shaia@oracle.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
2017-04-25 14:21:34 -04:00

50 lines
1.7 KiB
C

/*
* Copyright (c) 2013, Cisco Systems, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
* licenses. You may choose to be licensed under the terms of the GNU
* General Public License (GPL) Version 2, available from the file
* COPYING in the main directory of this source tree, or the
* BSD license below:
*
* Redistribution and use in source and binary forms, with or
* without modification, are permitted provided that the following
* conditions are met:
*
* - Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
*
* - 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.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
#ifndef USNIC_CMN_UTIL_H
#define USNIC_CMN_UTIL_H
#include <net/addrconf.h>
static inline void
usnic_mac_ip_to_gid(const char *const mac, const __be32 inaddr, char *raw_gid)
{
raw_gid[0] = 0xfe;
raw_gid[1] = 0x80;
memset(&raw_gid[2], 0, 2);
memcpy(&raw_gid[4], &inaddr, 4);
addrconf_addr_eui48(&raw_gid[8], mac);
}
#endif /* USNIC_COMMON_UTIL_H */