sys: Remove $FreeBSD$: one-line .c pattern

Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/

ibcore: Remove set, but not used variable.

MFC after: 1 week
Sponsored by: NVIDIA Networking

ibcore: Add rdma_reject_msg() helper function.

rdma_reject_msg() returns a pointer to a string message associated with
the transport reject reason codes.

Linux commit:
77a5db13153906a7e00740b10b273

ibcore: Add rdma_reject_msg() helper function.

rdma_reject_msg() returns a pointer to a string message associated with
the transport reject reason codes.

Linux commit:
77a5db13153906a7e00740b10b2730e53385c5a8

MFC after: 1 week
Reviewed by: kib
Sponsored by: Mellanox Technologies // NVIDIA Networking

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Infiniband clients must be attached and detached in a specific order in ibcore.

Currently the linking order of the infiniband, IB, modules decide in which
order the clients are attached and detached

Infiniband clients must be attached and detached in a specific order in ibcore.

Currently the linking order of the infiniband, IB, modules decide in which
order the clients are attached and detached. For example one IB client may
use resources from another IB client. This can lead to a potential deadlock
at shutdown. For example if the ipoib is unregistered after the ib_multicast
client is detached, then if ipoib is using multicast addresses a deadlock may
happen, because ib_multicast will wait for all its resources to be freed before
returning from the remove method.

Fix this by using module_xxx_order() instead of module_xxx().

Differential Revision: https://reviews.freebsd.org/D23973
MFC after: 1 week
Sponsored by: Mellanox Technologies

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Merge ^/head r340918 through r341763.

ibcore: Discard unused error codes.

Submitted by: hselasky@
Approved by: hselasky (mentor)
MFC after: 1 week
Sponsored by: Mellanox Technologies

Use __FBSDID() for RCS tags in ibcore.

MFC after: 1 week
Sponsored by: Mellanox Technologies

Add missing FreeBSD tags and SVN properties to ibcore.

MFC after: 1 week
Sponsored by: Mellanox Technologies

RoCE/infiniband upgrade to Linux v4.9 for kernel and userspace.

This commit merges projects/bsd_rdma_4_9 to head.

List of kernel sources used:
============================

1) kernel sources were c

RoCE/infiniband upgrade to Linux v4.9 for kernel and userspace.

This commit merges projects/bsd_rdma_4_9 to head.

List of kernel sources used:
============================

1) kernel sources were cloned from git://github.com/torvalds/linux.git
Top commit 69973b830859bc6529a7a0468ba0d80ee5117826 - tag: v4.9, linux-4.9

2) krping was cloned from https://github.com/larrystevenwise/krping
Top commit 292a2f1abf0348285e678a82264740d52e4dcfe4

List of userspace sources used:
===============================

1) rdma-core was cloned from https://github.com/linux-rdma/rdma-core.git
Top commit d65138ef93af30b3ea249f3a84aa6a24ba7f8a75

2) OpenSM was cloned from git://git.openfabrics.org/~halr/opensm.git
Top commit 85f841cf209f791c89a075048a907020e924528d

3) libibmad was cloned from git://git.openfabrics.org/~iraweiny/libibmad.git
Tag 1.3.13 with some additional patches from Mellanox.

4) infiniband-diags was cloned from git://git.openfabrics.org/~iraweiny/infiniband-diags.git
Tag 1.6.7 with some additional patches from Mellanox.

NOTES:
======

1) The mthca driver has been removed in kernel and in userspace.
2) All GPLv2 only sources have been removed and where applicable
rewritten from scratch under a BSD license.
3) List of fully supported drivers in userspace and kernel:
a) iw_cxgbe (Chelsio)
b) mlx4ib (Mellanox)
c) mlx5ib (Mellanox)
4) WITH_OFED=YES is still required by make in order to build
OFED userspace and kernel code.
5) Full support has been added for routable RoCE, RoCE v2.

Sponsored by: Mellanox Technologies

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Merge ^/head r319973 through 321382.

ibcore: Delete old files and add new ones missed in the initial commit
for this projects branch.

Sponsored by: Mellanox Technologies