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Commit 8d36eb01 authored by Sean Hefty's avatar Sean Hefty Committed by Roland Dreier
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RDMA/cma: Define native IB address 



Define AF_IB and sockaddr_ib to allow the rdma_cm to use native IB
addressing.

Signed-off-by: default avatarSean Hefty <sean.hefty@intel.com>
Signed-off-by: default avatarRoland Dreier <roland@purestorage.com>
parent fedaf4ff

include/linux/socket.h

+2 −0
Original line number Diff line number Diff line
@@ -167,6 +167,7 @@ struct ucred { 
#define AF_PPPOX	24	/* PPPoX sockets		*/

#define AF_WANPIPE	25	/* Wanpipe API Sockets */

#define AF_LLC		26	/* Linux LLC			*/

#define AF_IB		27	/* Native InfiniBand address	*/

#define AF_CAN		29	/* Controller Area Network      */

#define AF_TIPC		30	/* TIPC sockets			*/

#define AF_BLUETOOTH	31	/* Bluetooth sockets 		*/
@@ -211,6 +212,7 @@ struct ucred { 
#define PF_PPPOX	AF_PPPOX

#define PF_WANPIPE	AF_WANPIPE

#define PF_LLC		AF_LLC

#define PF_IB		AF_IB

#define PF_CAN		AF_CAN

#define PF_TIPC		AF_TIPC

#define PF_BLUETOOTH	AF_BLUETOOTH

include/rdma/ib.h

0 → 100644
+89 −0
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2010 Intel Corporation.  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

 * OpenIB.org 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.

 */



#if !defined(_RDMA_IB_H)

#define _RDMA_IB_H



#include <linux/types.h>



struct ib_addr {

	union {

		__u8		uib_addr8[16];

		__be16		uib_addr16[8];

		__be32		uib_addr32[4];

		__be64		uib_addr64[2];

	} ib_u;

#define sib_addr8		ib_u.uib_addr8

#define sib_addr16		ib_u.uib_addr16

#define sib_addr32		ib_u.uib_addr32

#define sib_addr64		ib_u.uib_addr64

#define sib_raw			ib_u.uib_addr8

#define sib_subnet_prefix	ib_u.uib_addr64[0]

#define sib_interface_id	ib_u.uib_addr64[1]

};



static inline int ib_addr_any(const struct ib_addr *a)

{

	return ((a->sib_addr64[0] | a->sib_addr64[1]) == 0);

}



static inline int ib_addr_loopback(const struct ib_addr *a)

{

	return ((a->sib_addr32[0] | a->sib_addr32[1] |

		 a->sib_addr32[2] | (a->sib_addr32[3] ^ htonl(1))) == 0);

}



static inline void ib_addr_set(struct ib_addr *addr,

			       __be32 w1, __be32 w2, __be32 w3, __be32 w4)

{

	addr->sib_addr32[0] = w1;

	addr->sib_addr32[1] = w2;

	addr->sib_addr32[2] = w3;

	addr->sib_addr32[3] = w4;

}



static inline int ib_addr_cmp(const struct ib_addr *a1, const struct ib_addr *a2)

{

	return memcmp(a1, a2, sizeof(struct ib_addr));

}



struct sockaddr_ib {

	unsigned short int	sib_family;	/* AF_IB */

	__be16			sib_pkey;

	__be32			sib_flowinfo;

	struct ib_addr		sib_addr;

	__be64			sib_sid;

	__be64			sib_sid_mask;

	__u64			sib_scope_id;

};



#endif /* _RDMA_IB_H */