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2021-05-03rdma: avoid unnencessary inliningDamjan Marion1-27/+29
Type: fix Change-Id: Ifc4b30675365ebb5d69c018a34fd17a5090b30e1 Signed-off-by: Damjan Marion <damarion@cisco.com>
2020-11-25rdma: fixed UAR writing at txMohammed Hawari1-1/+1
Change-Id: Id81b4d27845c4e91cef90a4b8649662942d3cba1 Signed-off-by: Mohammed Hawari <mohammed@hawari.fr> Type: fix
2020-11-04rdma: various fixes for chained buffers txMohammed Hawari1-14/+19
Type: fix Signed-off-by: Mohammed Hawari <mohammed@hawari.fr> Change-Id: I428c87e581db335362fef30e274db8947a896416
2020-04-27rdma: tx: interleave prefetchesBenoît Ganne1-24/+13
Type: improvement Change-Id: Ic2d9b17cf5e524f3ad2a3c5343fe1230aa360e73 Signed-off-by: Benoît Ganne <bganne@cisco.com>
2020-03-20rdma: ring db only once per vector on txBenoît Ganne1-28/+44
Type: improvement Change-Id: I09b017d60bc38ff8a4a7a73aff42b27611bd8955 Signed-off-by: Benoît Ganne <bganne@cisco.com>
2020-03-16rdma: optimize tx wqe_initDamjan Marion1-11/+17
Type: improvement Change-Id: I7f28a3f03ab1ea8461c52743c61dc23a57965237 Signed-off-by: Damjan Marion <damarion@cisco.com>
2020-03-16rdma: introduce direct verb for Cx4/5 txBenoît Ganne1-45/+407
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>
2019-08-27rdma: fix pending packets check on txBenoît Ganne1-1/+1
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>
2019-08-26rdma: use rings for buffers managementBenoît Ganne1-53/+82
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>
2019-08-06rdma: fix double-free in rdma-txBenoît Ganne1-3/+4
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>
2019-04-05rdma: more batching, compile rdma-core in release modeBenoît Ganne1-19/+41
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>
2019-04-03rdma: tx: fix stats and add batchingBenoît Ganne1-61/+88
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>
2019-03-28Add RDMA ibverb driver pluginBenoît Ganne1-0/+133
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>