diff options
Diffstat (limited to 'include/rdma/ib.h')
| -rw-r--r-- | include/rdma/ib.h | 89 | 
1 files changed, 89 insertions, 0 deletions
diff --git a/include/rdma/ib.h b/include/rdma/ib.h new file mode 100644 index 00000000000..cf8f9e700e4 --- /dev/null +++ b/include/rdma/ib.h @@ -0,0 +1,89 @@ +/* + * 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 */  | 
