linux-toradex.git/include/rdma, branch v5.17-rc4 Linux kernel for Apalis and Colibri modules RDMA/core: Calculate UDP source port based on flow label or lqpn/rqpn 2022-01-07T23:34:01+00:00 Zhu Yanjun yanjun.zhu@linux.dev 2022-01-06T18:03:56+00:00 18451db82ef7f943c60a7fce685f16172bda5106 Calculate and set UDP source port based on the flow label. If flow label is not defined in GRH then calculate it based on lqpn/rqpn. Link: https://lore.kernel.org/r/20220106180359.2915060-2-yanjun.zhu@linux.dev Signed-off-by: Zhu Yanjun <yanjun.zhu@linux.dev> Reviewed-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> 
Calculate and set UDP source port based on the flow label. If flow label
is not defined in GRH then calculate it based on lqpn/rqpn.

Link: https://lore.kernel.org/r/20220106180359.2915060-2-yanjun.zhu@linux.dev
Signed-off-by: Zhu Yanjun <yanjun.zhu@linux.dev>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
IB/mlx5: Expose NDR speed through MAD 2022-01-05T20:40:35+00:00 Maher Sanalla msanalla@nvidia.com 2021-12-15T07:54:31+00:00 fbdb0ba7051e9b0881708c1c7bb491363cb7e486 Under MAD query port, Report NDR speed when NDR is supported in the port capability mask. Link: https://lore.kernel.org/r/a2ab630d2a634547db9b581faa9d65da2edb9d05.1639554831.git.leonro@nvidia.com Signed-off-by: Maher Sanalla <msanalla@nvidia.com> Reviewed-by: Michael Guralnik <michaelgur@nvidia.com> Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> 
Under MAD query port, Report NDR speed when NDR is supported in the port
capability mask.

Link: https://lore.kernel.org/r/a2ab630d2a634547db9b581faa9d65da2edb9d05.1639554831.git.leonro@nvidia.com
Signed-off-by: Maher Sanalla <msanalla@nvidia.com>
Reviewed-by: Michael Guralnik <michaelgur@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
RDMA/mad: Delete duplicated init_query_mad functions 2022-01-05T19:18:36+00:00 Leon Romanovsky leonro@nvidia.com 2022-01-05T08:04:56+00:00 d82e2b27ad3a4fdd745332e0c310ae05660a1bf1 Several drivers used same function to initialize query MAD, so move that function to global header file. Link: https://lore.kernel.org/r/af6f35c590ff5ef56d0137351b8b295af0f7c13c.1641369858.git.leonro@nvidia.com Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Reviewed-by: Håkon Bugge <haakon.bugge@oracle.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> 
Several drivers used same function to initialize query MAD,
so move that function to global header file.

Link: https://lore.kernel.org/r/af6f35c590ff5ef56d0137351b8b295af0f7c13c.1641369858.git.leonro@nvidia.com
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Reviewed-by: Håkon Bugge <haakon.bugge@oracle.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
RDMA/netlink: Add __maybe_unused to static inline in C file 2021-11-16T17:13:08+00:00 Leon Romanovsky leonro@nvidia.com 2021-11-07T06:40:47+00:00 83dde7498fefeb920b1def317421262317d178e5 Like other commits in the tree add __maybe_unused to a static inline in a C file because some clang compilers will complain about unused code: >> drivers/infiniband/core/nldev.c:2543:1: warning: unused function '__chk_RDMA_NL_NLDEV' MODULE_ALIAS_RDMA_NETLINK(RDMA_NL_NLDEV, 5); ^ Fixes: e3bf14bdc17a ("rdma: Autoload netlink client modules") Link: https://lore.kernel.org/r/4a8101919b765e01d7fde6f27fd572c958deeb4a.1636267207.git.leonro@nvidia.com Reported-by: kernel test robot <lkp@intel.com> Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> 
Like other commits in the tree add __maybe_unused to a static inline in a
C file because some clang compilers will complain about unused code:

>> drivers/infiniband/core/nldev.c:2543:1: warning: unused function '__chk_RDMA_NL_NLDEV'
   MODULE_ALIAS_RDMA_NETLINK(RDMA_NL_NLDEV, 5);
   ^

Fixes: e3bf14bdc17a ("rdma: Autoload netlink client modules")
Link: https://lore.kernel.org/r/4a8101919b765e01d7fde6f27fd572c958deeb4a.1636267207.git.leonro@nvidia.com
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
RDMA/hns: Use the core code to manage the fixed mmap entries 2021-10-29T17:07:31+00:00 Chengchang Tang tangchengchang@huawei.com 2021-10-28T10:56:40+00:00 6d202d9f70a33560ab62b81da2b062c936437e54 Add a new implementation for mmap by using the new mmap entry API. This makes way for further use of the dynamic mmap allocator in this driver. Link: https://lore.kernel.org/r/20211028105640.1056-1-liangwenpeng@huawei.com Signed-off-by: Chengchang Tang <tangchengchang@huawei.com> Signed-off-by: Yixing Liu <liuyixing1@huawei.com> Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> 
Add a new implementation for mmap by using the new mmap entry API. This
makes way for further use of the dynamic mmap allocator in this driver.

Link: https://lore.kernel.org/r/20211028105640.1056-1-liangwenpeng@huawei.com
Signed-off-by: Chengchang Tang <tangchengchang@huawei.com>
Signed-off-by: Yixing Liu <liuyixing1@huawei.com>
Signed-off-by: Wenpeng Liang <liangwenpeng@huawei.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
RDMA/umem: Allow pinned dmabuf umem usage 2021-10-28T11:58:26+00:00 Gal Pressman galpress@amazon.com 2021-10-12T12:09:02+00:00 1e4df4a21c5ac722df1099eee30cad9246c889b5 Introduce ib_umem_dmabuf_get_pinned() which allows the driver to get a dmabuf umem which is pinned and does not require move_notify callback implementation. The returned umem is pinned and DMA mapped like standard cpu umems, and is released through ib_umem_release() (incl. unpinning and unmapping). Link: https://lore.kernel.org/r/20211012120903.96933-3-galpress@amazon.com Signed-off-by: Gal Pressman <galpress@amazon.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> 
Introduce ib_umem_dmabuf_get_pinned() which allows the driver to get a
dmabuf umem which is pinned and does not require move_notify callback
implementation.

The returned umem is pinned and DMA mapped like standard cpu umems, and is
released through ib_umem_release() (incl. unpinning and unmapping).

Link: https://lore.kernel.org/r/20211012120903.96933-3-galpress@amazon.com
Signed-off-by: Gal Pressman <galpress@amazon.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
RDMA/core: Set sgtable nents when using ib_dma_virt_map_sg() 2021-10-13T18:26:41+00:00 Logan Gunthorpe logang@deltatee.com 2021-10-13T16:59:42+00:00 ac0fffa0859b8e1e991939663b3ebdd80bf979e6 ib_dma_map_sgtable_attrs() should be mapping the sgls and setting nents but the ib_uses_virt_dma() path falls back to ib_dma_virt_map_sg() which will not set the nents in the sgtable. Check the return value (per the map_sg calling convention) and set sgt->nents appropriately on success. Fixes: 79fbd3e1241c ("RDMA: Use the sg_table directly and remove the opencoded version from umem") Link: https://lore.kernel.org/r/20211013165942.89806-1-logang@deltatee.com Reported-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Logan Gunthorpe <logang@deltatee.com> Tested-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> 
ib_dma_map_sgtable_attrs() should be mapping the sgls and setting nents
but the ib_uses_virt_dma() path falls back to ib_dma_virt_map_sg() which
will not set the nents in the sgtable.

Check the return value (per the map_sg calling convention) and set
sgt->nents appropriately on success.

Fixes: 79fbd3e1241c ("RDMA: Use the sg_table directly and remove the opencoded version from umem")
Link: https://lore.kernel.org/r/20211013165942.89806-1-logang@deltatee.com
Reported-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Logan Gunthorpe <logang@deltatee.com>
Tested-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
RDMA/mlx5: Add modify_op_stat() support 2021-10-12T15:48:06+00:00 Aharon Landau aharonl@nvidia.com 2021-10-08T12:24:38+00:00 a29b934ceb4c8ad8bf6d0486a8c8ef015af494f4 Add support for ib callback modify_op_stat() to add or remove an optional counter. When adding, a steering flow table is created with a rule that catches and counts all the matching packets. When removing, the table and flow counter are destroyed. Link: https://lore.kernel.org/r/20211008122439.166063-13-markzhang@nvidia.com Signed-off-by: Aharon Landau <aharonl@nvidia.com> Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Mark Zhang <markzhang@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> 
Add support for ib callback modify_op_stat() to add or remove an optional
counter. When adding, a steering flow table is created with a rule that
catches and counts all the matching packets. When removing, the table and
flow counter are destroyed.

Link: https://lore.kernel.org/r/20211008122439.166063-13-markzhang@nvidia.com
Signed-off-by: Aharon Landau <aharonl@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Mark Zhang <markzhang@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
RDMA/mlx5: Add steering support in optional flow counters 2021-10-12T15:48:06+00:00 Aharon Landau aharonl@nvidia.com 2021-10-08T12:24:37+00:00 ffa501ef196312f550818304e1558025a11d3c2f Adding steering infrastructure for adding and removing optional counter. This allows to add and remove the counters dynamically in order not to hurt performance. Link: https://lore.kernel.org/r/20211008122439.166063-12-markzhang@nvidia.com Signed-off-by: Aharon Landau <aharonl@nvidia.com> Reviewed-by: Maor Gottlieb <maorg@nvidia.com> Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Mark Zhang <markzhang@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> 
Adding steering infrastructure for adding and removing optional counter.
This allows to add and remove the counters dynamically in order not to
hurt performance.

Link: https://lore.kernel.org/r/20211008122439.166063-12-markzhang@nvidia.com
Signed-off-by: Aharon Landau <aharonl@nvidia.com>
Reviewed-by: Maor Gottlieb <maorg@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Mark Zhang <markzhang@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
RDMA/counter: Add optional counter support 2021-10-12T15:48:05+00:00 Aharon Landau aharonl@nvidia.com 2021-10-08T12:24:32+00:00 5e2ddd1e598273d77f653c70df96fc417a2d0a85 An optional counter is a driver-specific counter that may be dynamically enabled/disabled. This enhancement allows drivers to expose counters which are, for example, mutually exclusive and cannot be enabled at the same time, counters that might degrades performance, optional debug counters, etc. Optional counters are marked with IB_STAT_FLAG_OPTIONAL flag. They are not exported in sysfs, and must be at the end of all stats, otherwise the attr->show() in sysfs would get wrong indexes for hwcounters that are behind optional counters. Link: https://lore.kernel.org/r/20211008122439.166063-7-markzhang@nvidia.com Signed-off-by: Aharon Landau <aharonl@nvidia.com> Signed-off-by: Neta Ostrovsky <netao@nvidia.com> Signed-off-by: Leon Romanovsky <leonro@nvidia.com> Signed-off-by: Mark Zhang <markzhang@nvidia.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com> 
An optional counter is a driver-specific counter that may be dynamically
enabled/disabled.  This enhancement allows drivers to expose counters
which are, for example, mutually exclusive and cannot be enabled at the
same time, counters that might degrades performance, optional debug
counters, etc.

Optional counters are marked with IB_STAT_FLAG_OPTIONAL flag. They are not
exported in sysfs, and must be at the end of all stats, otherwise the
attr->show() in sysfs would get wrong indexes for hwcounters that are
behind optional counters.

Link: https://lore.kernel.org/r/20211008122439.166063-7-markzhang@nvidia.com
Signed-off-by: Aharon Landau <aharonl@nvidia.com>
Signed-off-by: Neta Ostrovsky <netao@nvidia.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Signed-off-by: Mark Zhang <markzhang@nvidia.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>