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Author SHA1 Message Date
Gustavo A. R. Silva
5224f79096 treewide: Replace zero-length arrays with flexible-array members 
There is a regular need in the kernel to provide a way to declare
having a dynamically sized set of trailing elements in a structure.
Kernel code should always use “flexible array members”[1] for these
cases. The older style of one-element or zero-length arrays should
no longer be used[2].

This code was transformed with the help of Coccinelle:
(next-20220214$ spatch --jobs $(getconf _NPROCESSORS_ONLN) --sp-file script.cocci --include-headers --dir . > output.patch)

@@
identifier S, member, array;
type T1, T2;
@@

struct S {
  ...
  T1 member;
  T2 array[
- 0
  ];
};

UAPI and wireless changes were intentionally excluded from this patch
and will be sent out separately.

[1] https://en.wikipedia.org/wiki/Flexible_array_member
[2] https://www.kernel.org/doc/html/v5.16/process/deprecated.html#zero-length-and-one-element-arrays

Link: https://github.com/KSPP/linux/issues/78
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
 2022-02-17 07:00:39 -06:00
Quinn Tran
0f6d600a26 scsi: qla2xxx: edif: Increase ELS payload 
Currently, firmware limits ELS payload to FC frame size/2112.  This patch
adjusts memory buffer size to be able to handle max ELS payload.

Link: https://lore.kernel.org/r/20211026115412.27691-11-njavali@marvell.com
Fixes: 84318a9f01ce ("scsi: qla2xxx: edif: Add send, receive, and accept for auth_els")
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
 2021-10-26 23:52:00 -04:00
Quinn Tran
7ebb336e45 scsi: qla2xxx: edif: Add start + stop bsgs 
Some FC adapters from Marvell offer the ability to encrypt data in flight
(EDIF). This feature requires an application to act as an authenticator.

Add two new BSG calls:

 - QL_VND_SC_APP_START: Application will announce its presence to driver
   with this call. Driver will restart all connections to see if remote
   device supports security or not.

 - QL_VND_SC_APP_STOP: Application announces it is in the process of
   exiting. Driver will restart all connections to revert back to
   non-secure. Provided the remote device is willing to allow a non-secure
   connection.

Link: https://lore.kernel.org/r/20210624052606.21613-2-njavali@marvell.com
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Co-developed-by: Larry Wisneski <Larry.Wisneski@marvell.com>
Signed-off-by: Larry Wisneski <Larry.Wisneski@marvell.com>
Co-developed-by: Duane Grigsby <duane.grigsby@marvell.com>
Signed-off-by: Duane Grigsby <duane.grigsby@marvell.com>
Co-developed-by: Rick Hicksted Jr <rhicksted@marvell.com>
Signed-off-by: Rick Hicksted Jr <rhicksted@marvell.com>
Signed-off-by: Quinn Tran <qutran@marvell.com>
Signed-off-by: Nilesh Javali <njavali@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
 2021-07-27 00:06:42 -04:00