branches: 1.1.1.1.2;
Introduce HAL for Amazon Elastic Network Adapter (ENA)

This commit adds HAL (Hardware Abstraction Layer) code
for Amazon Elastic Network Adapter (ENA).

Version: 1.1.4.3

Obtained from: Amazon.com, Inc. via FreeBSD

ena(4): destroy all wait_event

Code contributed by KUSABA Takeshi <t-kusaba@iij.ad.jp>

ena(4): prevent AENQ handler from use-after-free

Code contributed by KUSABA Takeshi <t-kusaba@iij.ad.jp>

ena(4): replace malloc(9) to kmem(9)

Code contributed by KUSABA Takeshi <t-kusaba@iij.ad.jp>

branches: 1.1.1;
Initial revision

ena(4): replace malloc(9) to kmem(9)

Code contributed by KUSABA Takeshi <t-kusaba@iij.ad.jp>

branches: 1.1.1;
Initial revision

branches: 1.1.1.1.2;
Introduce HAL for Amazon Elastic Network Adapter (ENA)

This commit adds HAL (Hardware Abstraction Layer) code
for Amazon Elastic Network Adapter (ENA).

Version: 1.1.4.3

Obtained from: Amazon.com, Inc. via FreeBSD

branches: 1.1.1.1.2;
Introduce HAL for Amazon Elastic Network Adapter (ENA)

This commit adds HAL (Hardware Abstraction Layer) code
for Amazon Elastic Network Adapter (ENA).

Version: 1.1.4.3

Obtained from: Amazon.com, Inc. via FreeBSD

branches: 1.1.1.1.2;
Introduce HAL for Amazon Elastic Network Adapter (ENA)

This commit adds HAL (Hardware Abstraction Layer) code
for Amazon Elastic Network Adapter (ENA).

Version: 1.1.4.3

Obtained from: Amazon.com, Inc. via FreeBSD

branches: 1.1.1.1.2;
Introduce HAL for Amazon Elastic Network Adapter (ENA)

This commit adds HAL (Hardware Abstraction Layer) code
for Amazon Elastic Network Adapter (ENA).

Version: 1.1.4.3

Obtained from: Amazon.com, Inc. via FreeBSD

ena(4): replace malloc(9) to kmem(9)

Code contributed by KUSABA Takeshi <t-kusaba@iij.ad.jp>

branches: 1.9.4;
ena: Convert not-right membar_enter/exit to membar_acquire/release.

Only used on non-x86 and non-aarch64, which probably means this
branch is never used. (This should really use bus_space_barrier or
bus_dmamap_sync.)

ena: Fix rmb/wmb/mb to match Linux on x86 and aarch64.

This is not right but it's not worse than it was before.

Various ena(4) bug fixes, from KUSABA Takeshi <t-kusaba@iij.ad.jp>:

[PATCH 01/32] include device_xname for evcnt group.
[PATCH 02/32] fix improper NULL check.
[PATCH 03/32] add tx drop counter
[PATCH 04/32] remove unimplemented m_getjcl
[PATCH 05/32] make ENA_MEM_{ALLOC,FREE}_COHERENT symmetric.
[PATCH 06/32] disestablish the correct interrupt.
[PATCH 07/32] fix null check target.
[PATCH 08/32] use if_initialize() and if_register() instead of
[PATCH 09/32] free all pci-related resource.
[PATCH 10/32] no need to call if_free(), but to call if_detach
[PATCH 11/32] add some locking assertions.
[PATCH 12/32] use bus_size_t for bus_dma instead of uint32_t.
[PATCH 13/32] no need to pass interlock, ena_timer_service does not
[PATCH 14/32] enable ena(4) to down I/F
[PATCH 15/32] destroy I/O queues before disestablishing msix
[PATCH 16/32] count input/output packet stats.
[PATCH 17/32] fix missing #ifdef LRO, NetBSD does not support LRO
[PATCH 18/32] MP-ify TX, allocate mbuf queue to each TX ring.
[PATCH 19/32] down the interface first when to detach, to prevent
[PATCH 20/32] default link speed should be unknown.
[PATCH 21/32] protect ena_adapter members only by "global_mtx".
[PATCH 22/32] lower global_mtx interrupt level
[PATCH 23/32] reorder function declaration
[PATCH 24/32] add locking notes and some marking.
[PATCH 25/32] process RX in workqueue context, as same as FreeBSD
[PATCH 26/32] count rx_drops correctly.
[PATCH 27/32] no need to lock when attach/detach, down/up
[PATCH 28/32] fix memory leak.
[PATCH 29/32] add "stopping" flag to ena_ring.
[PATCH 30/32] make the flags atomic.
[PATCH 31/32] do not schedule timer when device is down.
[PATCH 32/32] no need to start timer if I/F is down.

branches: 1.6.6;
Revert previous for now:
http://mail-index.netbsd.org/source-changes/2020/04/16/msg116278.html

The reasoning turned out to be wrong; __KERNEL_RCSID() in header files
does *not* overwrite RCSID in main source files. The real problem is that
it inserts its RCSID into *every* object files. However, it can be still
useful even if heavily duplicated.

Stop using __KERNEL_RCSID() in header files; it confuses ident(1) by
overwriting RCSID in main source files.

XXX
The first argument of __KERNEL_RCSID() is neglected for ELF. If we wish
to have RCSID of header files in kernel binary, we need something like
__FBSDID() macro in FreeBSD.

branches: 1.4.10;
Avoid kpause while cold

branches: 1.3.2;
make ena(4) compile, with best efford exercised to convert code to NetBSD
equivalents; where possible left the original code intact to make it
easier to compare against FreeBSD original

made non-working stubs for some functions which don't have direct
equivalent yet - this includes all of <sys/buf_ring.h>, m_getjcl(),
m_append, and m_collapse(); these need to be adressed

left XXX/TODO in if_enavar.h, colocated with the non-working stubs

branches: 1.2.2;
adapt for NetBSD

branches: 1.1.1;
Initial revision

branches: 1.1.1.1.2;
Introduce HAL for Amazon Elastic Network Adapter (ENA)

This commit adds HAL (Hardware Abstraction Layer) code
for Amazon Elastic Network Adapter (ENA).

Version: 1.1.4.3

Obtained from: Amazon.com, Inc. via FreeBSD

branches: 1.1.1.1.2;
Introduce HAL for Amazon Elastic Network Adapter (ENA)

This commit adds HAL (Hardware Abstraction Layer) code
for Amazon Elastic Network Adapter (ENA).

Version: 1.1.4.3

Obtained from: Amazon.com, Inc. via FreeBSD

branches: 1.1.1.1.2;
Introduce HAL for Amazon Elastic Network Adapter (ENA)

This commit adds HAL (Hardware Abstraction Layer) code
for Amazon Elastic Network Adapter (ENA).

Version: 1.1.4.3

Obtained from: Amazon.com, Inc. via FreeBSD

branches: 1.1.1.1.2;
Introduce HAL for Amazon Elastic Network Adapter (ENA)

This commit adds HAL (Hardware Abstraction Layer) code
for Amazon Elastic Network Adapter (ENA).

Version: 1.1.4.3

Obtained from: Amazon.com, Inc. via FreeBSD

branches: 1.1.1.1.2;
Introduce HAL for Amazon Elastic Network Adapter (ENA)

This commit adds HAL (Hardware Abstraction Layer) code
for Amazon Elastic Network Adapter (ENA).

Version: 1.1.4.3

Obtained from: Amazon.com, Inc. via FreeBSD

branches: 1.1.1.1.2;
Introduce HAL for Amazon Elastic Network Adapter (ENA)

This commit adds HAL (Hardware Abstraction Layer) code
for Amazon Elastic Network Adapter (ENA).

Version: 1.1.4.3

Obtained from: Amazon.com, Inc. via FreeBSD

branches: 1.1.1.1.2;
Introduce HAL for Amazon Elastic Network Adapter (ENA)

This commit adds HAL (Hardware Abstraction Layer) code
for Amazon Elastic Network Adapter (ENA).

Version: 1.1.4.3

Obtained from: Amazon.com, Inc. via FreeBSD