MFC r341297

sfxge(4): fix out of bounds read when dereferencing sdup

Introduce and use macro to make sure that MCDI buffers allocated
on stack are rounded up properly.

Submitted by: Gautam Dawar <gdawar at solarflare.com>
Sponsored by: Solarflare Communications, Inc.
Differential Revision: https://reviews.freebsd.org/D18259

MFC r341295

sfxge(4): avoid usage of too big arrays on stack

Found by PreFAST static analysis.

Submitted by: Martin Harvey <mharvey at solarflare.com>
Sponsored by: Solarflare Communications, Inc.
Differential Revision: https://reviews.freebsd.org/D18257

MFC r340875

sfxge(4): fix build issue with PHY LED control enabled

Fixed build issue with the EFSYS_OPT_PHY_LED_CONTROL for Huntigton and
Medford.

Submitted by: Vijay Srivastava <vijays at solarflare.com>
Sponsored by: Solarflare Communications, Inc.
Differential Revision: https://reviews.freebsd.org/D18110

MFC r310719

sfxge(4): cleanup: remove last use of deprecated function flags with privilege check

The function flags were changed to mirror the privileges, but
the privileges are preferred.

Submitted by: Mark Spender <mspender at solarflare.com>
Reviewed by: gnn
Sponsored by: Solarflare Communications, Inc.

MFC r310717

sfxge(4): move BIST methods from hunt_phy.c to ef10_phy.c

Submitted by: Mark Spender <mspender at solarflare.com>
Sponsored by: Solarflare Communications, Inc.

MFC r300607

sfxge(4): cleanup: update copyright to 2016

Sponsored by: Solarflare Communications, Inc.

MFC r299721

sfxge(4): remove PHY property method stubs

Submitted by: Andy Moreton <amoreton at solarflare.com>
Sponsored by: Solarflare Communications, Inc.

MFC r299596-r299606, r299681, r299726, r299738

sfxge(4): move ef10_*() functions to ef10_*.c files

Submitted by: Andy Moreton <amoreton at solarflare.com>
Sponsored by: Solarflare Communications, Inc.