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: Sean Hefty <sean.hefty@intel.com> Signed-off-by: Roland Dreier <roland@purestorage.com>

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: Sean Hefty <sean.hefty@intel.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
Sean Hefty · Roland Dreier
1 parent fedaf4ffc2
Showing 2 changed files with 91 additions and 0 deletions Side-by-side Diff
include/linux/socket.h
include/rdma/ib.h
@@ -167,6 +167,7 @@
 #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 @@
 #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
+/*
+ * 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 */
...	...	@@ -167,6 +167,7 @@
167	167	#define AF_PPPOX 24 /* PPPoX sockets */
168	168	#define AF_WANPIPE 25 /* Wanpipe API Sockets */
169	169	#define AF_LLC 26 /* Linux LLC */
	170	+#define AF_IB 27 /* Native InfiniBand address */
170	171	#define AF_CAN 29 /* Controller Area Network */
171	172	#define AF_TIPC 30 /* TIPC sockets */
172	173	#define AF_BLUETOOTH 31 /* Bluetooth sockets */
...	...	@@ -211,6 +212,7 @@
211	212	#define PF_PPPOX AF_PPPOX
212	213	#define PF_WANPIPE AF_WANPIPE
213	214	#define PF_LLC AF_LLC
	215	+#define PF_IB AF_IB
214	216	#define PF_CAN AF_CAN
215	217	#define PF_TIPC AF_TIPC
216	218	#define PF_BLUETOOTH AF_BLUETOOTH
	1	+/*
	2	+ * Copyright (c) 2010 Intel Corporation. All rights reserved.
	3	+ *
	4	+ * This software is available to you under a choice of one of two
	5	+ * licenses. You may choose to be licensed under the terms of the GNU
	6	+ * General Public License (GPL) Version 2, available from the file
	7	+ * COPYING in the main directory of this source tree, or the
	8	+ * OpenIB.org BSD license below:
	9	+ *
	10	+ * Redistribution and use in source and binary forms, with or
	11	+ * without modification, are permitted provided that the following
	12	+ * conditions are met:
	13	+ *
	14	+ * - Redistributions of source code must retain the above
	15	+ * copyright notice, this list of conditions and the following
	16	+ * disclaimer.
	17	+ *
	18	+ * - Redistributions in binary form must reproduce the above
	19	+ * copyright notice, this list of conditions and the following
	20	+ * disclaimer in the documentation and/or other materials
	21	+ * provided with the distribution.
	22	+ *
	23	+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	24	+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	25	+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
	26	+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
	27	+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
	28	+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
	29	+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	30	+ * SOFTWARE.
	31	+ */
	32	+
	33	+#if !defined(_RDMA_IB_H)
	34	+#define _RDMA_IB_H
	35	+
	36	+#include <linux/types.h>
	37	+
	38	+struct ib_addr {
	39	+ union {
	40	+ __u8 uib_addr8[16];
	41	+ __be16 uib_addr16[8];
	42	+ __be32 uib_addr32[4];
	43	+ __be64 uib_addr64[2];
	44	+ } ib_u;
	45	+#define sib_addr8 ib_u.uib_addr8
	46	+#define sib_addr16 ib_u.uib_addr16
	47	+#define sib_addr32 ib_u.uib_addr32
	48	+#define sib_addr64 ib_u.uib_addr64
	49	+#define sib_raw ib_u.uib_addr8
	50	+#define sib_subnet_prefix ib_u.uib_addr64[0]
	51	+#define sib_interface_id ib_u.uib_addr64[1]
	52	+};
	53	+
	54	+static inline int ib_addr_any(const struct ib_addr *a)
	55	+{
	56	+ return ((a->sib_addr64[0] \| a->sib_addr64[1]) == 0);
	57	+}
	58	+
	59	+static inline int ib_addr_loopback(const struct ib_addr *a)
	60	+{
	61	+ return ((a->sib_addr32[0] \| a->sib_addr32[1] \|
	62	+ a->sib_addr32[2] \| (a->sib_addr32[3] ^ htonl(1))) == 0);
	63	+}
	64	+
	65	+static inline void ib_addr_set(struct ib_addr *addr,
	66	+ __be32 w1, __be32 w2, __be32 w3, __be32 w4)
	67	+{
	68	+ addr->sib_addr32[0] = w1;
	69	+ addr->sib_addr32[1] = w2;
	70	+ addr->sib_addr32[2] = w3;
	71	+ addr->sib_addr32[3] = w4;
	72	+}
	73	+
	74	+static inline int ib_addr_cmp(const struct ib_addr a1, const struct ib_addr a2)
	75	+{
	76	+ return memcmp(a1, a2, sizeof(struct ib_addr));
	77	+}
	78	+
	79	+struct sockaddr_ib {
	80	+ unsigned short int sib_family; /* AF_IB */
	81	+ __be16 sib_pkey;
	82	+ __be32 sib_flowinfo;
	83	+ struct ib_addr sib_addr;
	84	+ __be64 sib_sid;
	85	+ __be64 sib_sid_mask;
	86	+ __u64 sib_scope_id;
	87	+};
	88	+
	89	+#endif /* _RDMA_IB_H */