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Name Last Modified Last Commit
ena-update 2020-08-07 19:58:57 UTC 2020-08-07
net: ena: support new LLQ acceleration mode

Author: Arthur Kiyanovski
Author Date: 2020-07-21 13:38:11 UTC

net: ena: support new LLQ acceleration mode

BugLink: https://bugs.launchpad.net/bugs/1890845

commit 0e3a3f6dacf01cbad9ecc26149ffe8cda3137540 upstream.

New devices add a new hardware acceleration engine, which adds some
restrictions to the driver.
Metadata descriptor must be present for each packet and the maximum
burst size between two doorbells is now limited to a number
advertised by the device.

This patch adds:
1. A handshake protocol between the driver and the device, so the
device will enable the accelerated queues only when both sides
support it.

2. The driver support for the new acceleration engine:
2.1. Send metadata descriptor for each Tx packet.
2.2. Limit the number of packets sent between doorbells.(*)

(*) A previous driver implementation of this feature was comitted in
commit 05d62ca218f8 ("net: ena: add handling of llq max tx burst size")
however the design of the interface between the driver and device
changed since then. This change is reflected in this commit.

Signed-off-by: Netanel Belgazal <netanel@amazon.com>
Signed-off-by: Arthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>

master-next 2020-07-30 22:27:08 UTC 2020-07-30
UBUNTU: upstream stable to v5.4.54

Author: Kamal Mostafa
Author Date: 2020-07-30 16:46:57 UTC

UBUNTU: upstream stable to v5.4.54

BugLink: https://bugs.launchpad.net/bugs/1889669

Ignore: yes
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Kelsey Skunberg <kelsey.skunberg@canonical.com>

focal-stable 2020-05-01 18:28:59 UTC 2020-05-01
UBUNTU: upstream stable to v5.4.36

Author: Kamal Mostafa
Author Date: 2020-05-01 18:25:33 UTC

UBUNTU: upstream stable to v5.4.36

BugLink: https://bugs.launchpad.net/bugs/1876361

Ignore: yes
Signed-off-by: Kamal Mostafa <kamal@canonical.com>

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