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authorSean Hefty <sean.hefty@intel.com>2013-05-29 10:09:07 -0700
committerRoland Dreier <roland@purestorage.com>2013-06-20 13:08:01 -0700
commit8d36eb01da5d371feffa280e501377b5c450f5a5 (patch)
tree802dde0b3d5e0019a95cfe8d0a69bb40298d9bc9 /include/rdma
parentfedaf4ffc224a194e2d13a3ec2abe5df0bc94258 (diff)
downloadlinux-linaro-stable-8d36eb01da5d371feffa280e501377b5c450f5a5.tar.gz
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>
Diffstat (limited to 'include/rdma')
-rw-r--r--include/rdma/ib.h89
1 files changed, 89 insertions, 0 deletions
diff --git a/include/rdma/ib.h b/include/rdma/ib.h
new file mode 100644
index 000000000000..cf8f9e700e48
--- /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 */