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FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1; received-spf: None (protection.outlook.com: mellanox.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: nUe+cJyuFpD3y/vgR42qB06i9G27ptaopSAmXK9LYBm4xM/IFumvu9M+6ujEOVfFzSqk6tp6P9+Z1UFOhJuY9Pmn6bNJ++HlOUOIYlf2bSnodRk0WxVMwGWnw/e4RRtb2QmSP+TRQMHaDI5gGeesFjc/YNLS7KKu0hniYBH7QhHu5OEAV/9werKTBRytIfAQr2CA3k386Fnpo83HwhbW01liEgmNEKm/16rgEDxdeYuY1nwBjFPIIZfbjSHI7u4tAWLspe99DjVN2emTTdbqjBYzcCf0dLDkLvm9hIoqjWvVFZXvdBNRIIoU/jgowoSLSKfR2BYZjhkLr0aCNLgfulxHYuPk0VEA29EA2Ai9zmUo/vblcSTE1X8cy1oLjEjOH6/XPofi1+HNx2N4QrVQjzlG/7PCwGnZeyfFYCOYdi0= Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: Mellanox.com X-MS-Exchange-CrossTenant-Network-Message-Id: 948f32d6-3fa2-4e0b-7636-08d6b35ec338 X-MS-Exchange-CrossTenant-originalarrivaltime: 28 Mar 2019 09:21:30.1507 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: a652971c-7d2e-4d9b-a6a4-d149256f461b X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR0502MB4081 Subject: Re: [dpdk-dev] [PATCH v4 00/14] net/mlx5: add support for multiport IB devices X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Message-ID: <20190328092130.WSGX5qVX_97ODbTgp71LwMhmcqfpAVmwFqsaydzhYxo@z> Wednesday, March 27, 2019 3:16 PM, Viacheslav Ovsiienko: > Subject: [PATCH v4 00/14] net/mlx5: add support for multiport IB devices >=20 > The Mellanox NICs support SR-IOV and have E-Switch feature. > When SR-IOV is set up in switchdev mode and E-Switch is enabled we have > so called VF representors in the system. All representors belonging to th= e > same E-Switch are created on the basis of the single PCI function and wit= h > current implementation each representor has its own dedicated Infiniband > device and operates within its own Infiniband context. It is proposed to > provide representors as ports of the single Infiniband device and operate= on > the shared Infiniband context. >=20 > mlx5_pci_probe() routine is planned to be extended to probe the ports of > found Infiniband devices. All active ports, belonging to the same Infinib= and > device will use the signle shared Infiniband context of that device: > - QP are created within shared context, with assigning to > specified port > - Verb flows are also created with specifying port index > - Protection Domain is shared by all representors > - Global Memory Regions Cache is shared by all representors, > local ones are not (not in this patchset) > - Shared Asynchronous Event Handler distributes events > among the device ports (not in this patchset) > - UAR mapping to user space is also shared (not in patchset) >=20 > Each representor has its own attached network interface device, interface > name and index can be retrieved via IB device and port index, so the link > control is performed via Netlink in the same way as in existing > implementation. >=20 > This patchset also superseedes http://patches.dpdk.org/patch/50486/ >=20 > Signed-off-by: Viacheslav Ovsiienko Series applied to next-net-mlx.=20 Good job Slava.=20 >=20 > --- > v4: > - minor typo fixes for debug compilation > - rebased on current top of repo > - removed dependency on DR (Direct Rules) >=20 > v3: > http://patches.dpdk.org/cover/51728/ > - vport_id field is added, contains associated VF vport > index on E-Switch. representor_id field is reverted > to keep the VF index > - some comment spellcheck > - some error logging is added for master/representor > wrong recognition > - shared IB context alloc/free routines mutex > protection added >=20 > v2: > http://patches.dpdk.org/patch/51642/ > - clarifying comments added > - secondary process does not probe IB device at all and > does not create shared context > - minor bugs (like ++ in assert) fixed > - representor_id contains corresponding VF vport index, > no corrections +1 is needed anymore. vport index is > calculated in the only place in code and if indexing > schema is changed it would be easy to modify >=20 > v1: > http://patches.dpdk.org/cover/51451/ >=20 > Viacheslav Ovsiienko (13): > net/mlx5: add representor recognition on kernels 5.x > net/mlx5: modify get ifindex routine for multiport IB > net/mlx5: add getting IB ports number for multiport IB > net/mlx5: add multiport IB device support to probing > net/mlx5: add IB shared context alloc/free functions > net/mlx5: switch to the names in the shared IB context > net/mlx5: switch to the shared Protection Domain > net/mlx5: switch to the shared context IB attributes > net/mlx5: switch to the shared IB device context > net/mlx5: provide IB port for the object being created > net/mlx5: update install/uninstall int handler routines > net/mlx5: update event handler for multiport IB devices > net/mlx5: add source vport match to the ingress rules >=20 > drivers/net/mlx5/Makefile | 10 + > drivers/net/mlx5/meson.build | 4 + > drivers/net/mlx5/mlx5.c | 638 ++++++++++++++++++++++++++-----= --- > --- > drivers/net/mlx5/mlx5.h | 45 ++- > drivers/net/mlx5/mlx5_ethdev.c | 248 +++++++++----- > drivers/net/mlx5/mlx5_flow.c | 2 + > drivers/net/mlx5/mlx5_flow_dv.c | 44 ++- > drivers/net/mlx5/mlx5_flow_verbs.c | 7 +- > drivers/net/mlx5/mlx5_mr.c | 4 +- > drivers/net/mlx5/mlx5_nl.c | 108 ++++++- > drivers/net/mlx5/mlx5_rxq.c | 41 +-- > drivers/net/mlx5/mlx5_socket.c | 4 +- > drivers/net/mlx5/mlx5_stats.c | 22 +- > drivers/net/mlx5/mlx5_trigger.c | 2 +- > drivers/net/mlx5/mlx5_txq.c | 24 +- > 15 files changed, 868 insertions(+), 335 deletions(-) >=20 > -- > 1.8.3.1