History log of /vpp/src/plugins/rdma/output.c
Revision Date Author Comments
# 2d25467d 24-Apr-2020 Benoît Ganne <bganne@cisco.com>

rdma: tx: interleave prefetches

Type: improvement

Change-Id: Ic2d9b17cf5e524f3ad2a3c5343fe1230aa360e73
Signed-off-by: Benoît Ganne <bganne@cisco.com>


# 72f4921c 19-Mar-2020 Benoît Ganne <bganne@cisco.com>

rdma: ring db only once per vector on tx

Type: improvement

Change-Id: I09b017d60bc38ff8a4a7a73aff42b27611bd8955
Signed-off-by: Benoît Ganne <bganne@cisco.com>


# aaa65a12 16-Mar-2020 Damjan Marion <damarion@cisco.com>

rdma: optimize tx wqe_init

Type: improvement
Change-Id: I7f28a3f03ab1ea8461c52743c61dc23a57965237
Signed-off-by: Damjan Marion <damarion@cisco.com>


# dc812d9a 16-Dec-2019 Benoît Ganne <bganne@cisco.com>

rdma: introduce direct verb for Cx4/5 tx

Direct Verb allows for direct access to NIC HW rx/tx rings. This patch
introduce TX direct verb support for Mellanox ConnectX-4/5 adapters.
'dv' mode must be explicitely selected at interface creation to benefit
from this.

Type: feature

Change-Id: If830ba9f33db73299acdbddc68b5c09eaf6add98
Signed-off-by: Benoît Ganne <bganne@cisco.com>


# 1ec093fe 27-Aug-2019 Benoît Ganne <bganne@cisco.com>

rdma: fix pending packets check on tx

Fix coverity CID 203636: Control flow issues (NO_EFFECT).
This greater-than-or-equal-to-zero comparison of an unsigned value is
always true. "n_left_from >= 0U".

Type: fix
Fixes: e7e8bf37f100b20acb99957572f1796f648c2853

Change-Id: Ibbf8c82defb12d6d532345eea657d5f300e6a514
Signed-off-by: Benoît Ganne <bganne@cisco.com>


# e7e8bf37 21-Aug-2019 Benoît Ganne <bganne@cisco.com>

rdma: use rings for buffers management

Refactor rdma driver for improved performance and prepare for raw
datapath access.

Type: refactor

Change-Id: Iae31872055a6947708ea9f430bd1dc083ea63b5a
Signed-off-by: Benoît Ganne <bganne@cisco.com>


# dd1ccb4f 05-Aug-2019 Benoît Ganne <bganne@cisco.com>

rdma: fix double-free in rdma-tx

In case of tx success after multiple retries, the last buffers to be
enqueued will be both enqueued for tx and freed.

Type: fix
Fixes: 211ef2eb24

Change-Id: I57d218cff58b74c1f3d6dc5722624327f0821758
Signed-off-by: Benoît Ganne <bganne@cisco.com>


# dc195d68 03-Apr-2019 Benoît Ganne <bganne@cisco.com>

rdma: more batching, compile rdma-core in release mode

rx: add batching for WC processing and release
tx: improve batching for WC submission and processing
rdma-core: compile in release mode to remove assert()

Change-Id: I5fb8736db36b50f8b758cd688100477b67e72d80
Signed-off-by: Benoît Ganne <bganne@cisco.com>


# 211ef2eb 01-Apr-2019 Benoît Ganne <bganne@cisco.com>

rdma: tx: fix stats and add batching

Tx stats are no longer counted twice.
Submit tx packets as a single batch per vector instead of per-packet

Change-Id: I26820b21f23842b3a67ace0b939095f3550d3856
Signed-off-by: Benoît Ganne <bganne@cisco.com>


# fe750c24 25-Mar-2019 Benoît Ganne <bganne@cisco.com>

Add RDMA ibverb driver plugin

RDMA ibverb is a userspace API to efficiently rx/tx packets. This is an
initial, unoptimized driver targeting Mellanox cards.
Next steps should include batching, multiqueue and additional cards.

Change-Id: I0309c7a543f75f2f9317eaf63ca502ac7a093ef9
Signed-off-by: Benoît Ganne <bganne@cisco.com>