ipoib: Fix for accessing uninitialized pointers and freed memory during attach and detach.

Call infiniband_ifdetach() early to stop ifioctl(9) calls from user-space
during device removal. Also make

ipoib: Fix for accessing uninitialized pointers and freed memory during attach and detach.

Call infiniband_ifdetach() early to stop ifioctl(9) calls from user-space
during device removal. Also make sure that ifioctl(9) calls are blocked from
executing until the device is fully initialized. Ideally we would delay the
infiniband_ifattach() call, but because part of the initialization is to update
the link level address, that is not possible without more significant changes.

Reviewed by: kib
Sponsored by: Mellanox Technologies // NVIDIA Networking

(cherry picked from commit cd2c05d323d272163d04dd94caabe018ca2d4dc5)

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Fix LINT kernel build issues after c3987b8ea793c11f61fecb14ef93195a23e3522c .

Fixes the IPOIB_CM and SDP kernel options.

Reported by: lwhsu @
Sponsored by: NVIDIA Networking

(cherry picked from co

Fix LINT kernel build issues after c3987b8ea793c11f61fecb14ef93195a23e3522c .

Fixes the IPOIB_CM and SDP kernel options.

Reported by: lwhsu @
Sponsored by: NVIDIA Networking

(cherry picked from commit 693ddf4dc4b9c1ffbe6373e186e1b121e3635f53)

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ibcore: Declare ib_post_send() and ib_post_recv() arguments const

Since neither ib_post_send() nor ib_post_recv() modify the data structure
their second argument points at, declare that argument con

ibcore: Declare ib_post_send() and ib_post_recv() arguments const

Since neither ib_post_send() nor ib_post_recv() modify the data structure
their second argument points at, declare that argument const. This change
makes it necessary to declare the 'bad_wr' argument const too and also to
modify all ULPs that call ib_post_send(), ib_post_recv() or
ib_post_srq_recv(). This patch does not change any functionality but makes
it possible for the compiler to verify whether the
ib_post_(send|recv|srq_recv) really do not modify the posted work request.

Linux commit:
f696bf6d64b195b83ca1bdb7cd33c999c9dcf514
7bb1fafc2f163ad03a2007295bb2f57cfdbfb630
d34ac5cd3a73aacd11009c4fc3ba15d7ea62c411

Reviewed by: kib
Sponsored by: Mellanox Technologies // NVIDIA Networking

(cherry picked from commit c3987b8ea793c11f61fecb14ef93195a23e3522c)

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ipoib: Destroying a CQ should never fail.

Remove not needed error handling when destroying a CQ. The function in
question will later on be updated to return "void".

Reviewed by: kib
Sponsored by: M

ipoib: Destroying a CQ should never fail.

Remove not needed error handling when destroying a CQ. The function in
question will later on be updated to return "void".

Reviewed by: kib
Sponsored by: Mellanox Technologies // NVIDIA Networking

(cherry picked from commit eafc89853835147bcbd019a974ebfa9d3a8b00a7)

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mlx4/OFED: replace the struct net_device with struct ifnet

Given all the code does operate on struct ifnet, the last step in this
longer series of changes now is to rename struct net_device to
struc

mlx4/OFED: replace the struct net_device with struct ifnet

Given all the code does operate on struct ifnet, the last step in this
longer series of changes now is to rename struct net_device to
struct ifnet (that is what it was defined to in the LinuxKPi code).
While mlx4 and OFED are "shared" code the decision was made years ago
to not write it based on the netdevice KPI but the native ifnet KPI
for most of it. This commit simply spells this out and with that
frees "struct netdevice" to be re-done on LinuxKPI to become a more
native/mixed implementation over time as needed by, e.g., wireless
drivers.

Sponsored by: The FreeBSD Foundation
Reviewed by: hselasky
Differential Revision: https://reviews.freebsd.org/D30515

(cherry picked from commit 1411f52facc2b955584f2cb453b912a903e319ed)

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OFED: migrate LinuxKPI net_device/ifnet macros into ofed

The LinuxKPI net_device actually is an ifnet; in order to further
clean that up so we can extend "net_device" migrate the few macros
left int

OFED: migrate LinuxKPI net_device/ifnet macros into ofed

The LinuxKPI net_device actually is an ifnet; in order to further
clean that up so we can extend "net_device" migrate the few macros
left into ofed and make sure the header is included in all files
which need access to the macros.

Sponsored by: The FreeBSD Foundation
Reviewed by: kib
Differential Revision: https://reviews.freebsd.org/D30477

(cherry picked from commit 825b7d4c9d1d7cb0c79ffe002bc1bd58f28e1a67)

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MFC 4e38478c595a:
ipoib: Fix incorrectly computed IPOIB_CM_RX_SG value.

The computed IPOIB_CM_RX_SG is too small. It doesn't account for fallback
to mbuf clusters when jumbo frames are not available

MFC 4e38478c595a:
ipoib: Fix incorrectly computed IPOIB_CM_RX_SG value.

The computed IPOIB_CM_RX_SG is too small. It doesn't account for fallback
to mbuf clusters when jumbo frames are not available and it also doesn't
account for the packet header and trailer mbuf.

This causes a memory overwrite situation when IPOIB_CM is configured.

While at it add a kernel assert to ensure the mapping array is not overwritten.

PR: 254474
Sponsored by: Mellanox Technologies // NVIDIA Networking

(cherry picked from commit 4e38478c595a9e6225b525890d7ee269a203c200)

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