- 19 May, 2020 6 commits
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Gustavo A. R. Silva authored
The current codebase makes use of one-element arrays in the following form: struct something { int length; u8 data[1]; }; struct something *instance; instance = kmalloc(sizeof(*instance) + size, GFP_KERNEL); instance->length = size; memcpy(instance->data, source, size); but the preferred mechanism to declare variable-length types such as these ones is a flexible array member[1][2], introduced in C99: struct foo { int stuff; struct boo array[]; }; By making use of the mechanism above, we will get a compiler warning in case the flexible array does not occur last in the structure, which will help us prevent some kind of undefined behavior bugs from being inadvertently introduced[3] to the codebase from now on. So, replace the one-element array with a flexible-array member. Also, make use of the new struct_size() helper to properly calculate the size of struct siw_pbl. This issue was found with the help of Coccinelle and, audited and fixed _manually_. [1] https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html [2] https://github.com/KSPP/linux/issues/21 [3] commit 76497732 ("cxgb3/l2t: Fix undefined behaviour") Link: https://lore.kernel.org/r/20200519233018.GA6105@embeddedorSigned-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Danil Kipnis authored
When Block Device Layer is disabled, BLK_MAX_SEGMENT_SIZE is undefined. The rtrs is a transport library and should compile independently of the block layer. The desired max segment size should be passed down by the user. Introduce max_segment_size parameter for the rtrs_clt_open() call. Fixes: f7a7a5c2 ("block/rnbd: client: main functionality") Fixes: 6a98d71d ("RDMA/rtrs: client: main functionality") Fixes: cb80329c ("RDMA/rtrs: client: private header with client structs and functions") Fixes: b5c27cdb ("RDMA/rtrs: public interface header to establish RDMA connections") Link: https://lore.kernel.org/r/20200519111419.924170-1-danil.kipnis@cloud.ionos.comSigned-off-by: Danil Kipnis <danil.kipnis@cloud.ionos.com> Reported-by: Randy Dunlap <rdunlap@infradead.org> Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Wei Yongjun authored
Fix to return negative error code -ENOMEM from the some error handling cases instead of 0, as done elsewhere in this function. Fixes: 9cb83748 ("RDMA/rtrs: server: main functionality") Fixes: 91b11610 ("RDMA/rtrs: server: sysfs interface functions") Link: https://lore.kernel.org/r/20200519091912.134358-1-weiyongjun1@huawei.comReported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Reviewed-by: Danil Kipnis <danil.kipnis@cloud.ionos.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Gustavo A. R. Silva authored
Remove the if-statement and return the value contained in _err_, unconditionally. Link: https://lore.kernel.org/r/20200519163612.GA6043@embeddedor Addresses-Coverity-ID: 1493753 ("Identical code for different branches") Fixes: 6a98d71d ("RDMA/rtrs: client: main functionality") Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Dan Carpenter authored
These > comparisons should be >= to prevent accessing one element beyond the end of the buffer. Fixes: 9cb83748 ("RDMA/rtrs: server: main functionality") Link: https://lore.kernel.org/r/20200519154525.GA66801@mwandaSigned-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Danil Kipnis <danil.kipnis@cloud.ionos.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Dan Carpenter authored
The problem is that "req->sg_cnt" is an unsigned int so if "nr" is negative, it gets type promoted to a high positive value and the condition is false. This patch fixes it by handling negatives separately. Fixes: 6a98d71d ("RDMA/rtrs: client: main functionality") Link: https://lore.kernel.org/r/20200519133223.GN2078@kadamSigned-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Jack Wang <jinpu.wang@cloud.ionos.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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- 17 May, 2020 31 commits
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Kamal Heib authored
Avoid disabling device management for devices that don't support Management datagrams (MADs) by checking if the "mad_agent" pointer is initialized before calling ib_modify_port, also fix the error flow in srpt_refresh_port() to disable device management if ib_register_mad_agent() fail. Fixes: 09f8a148 ("RDMA/srpt: Fix handling of SR-IOV and iWARP ports") Link: https://lore.kernel.org/r/20200514114720.141139-1-kamalheib1@gmail.comSigned-off-by: Kamal Heib <kamalheib1@gmail.com> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Shay Drory authored
Current description doesn't include new devices, change it by updating to have more generic description and remove DRIVER_NAME and DRIVER_VERSION defines. Link: https://lore.kernel.org/r/20200513095304.210240-1-leon@kernel.orgSigned-off-by: Shay Drory <shayd@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Xiongfeng Wang authored
When I cat module parameter 'srpt_service_guid', it displays as follows. It is better to add a newline for easy reading. [root@hulk-202 ~]# cat /sys/module/ib_srpt/parameters/srpt_service_guid 0x0205cdfffe8346b9[root@hulk-202 ~]# Link: https://lore.kernel.org/r/1589182629-27743-1-git-send-email-wangxiongfeng2@huawei.comSigned-off-by: Xiongfeng Wang <wangxiongfeng2@huawei.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Jason Gunthorpe authored
The uverbs layer largely duplicate the code in ib_create_srq(), with the slight difference that it passes in a udata. Move all the code together into ib_create_srq_user() and provide an inline for kernel users, similar to other create calls. Link: https://lore.kernel.org/r/20200506082444.14502-6-leon@kernel.orgSigned-off-by: Yishai Hadas <yishaih@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Yishai Hadas authored
Fix create WQ to use the given user handle, in addition dropped some duplicated code from this flow. Fixes: fd3c7904 ("IB/core: Change idr objects to use the new schema") Fixes: f213c052 ("IB/uverbs: Add WQ support") Link: https://lore.kernel.org/r/20200506082444.14502-9-leon@kernel.orgSigned-off-by: Yishai Hadas <yishaih@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Yishai Hadas authored
Both wq_context and srq_context are some leftover from the past in uverbs layer, they are not really in use, drop them. Link: https://lore.kernel.org/r/20200506082444.14502-5-leon@kernel.orgSigned-off-by: Yishai Hadas <yishaih@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Jack Wang authored
Danil and I will maintain RNBD/RTRS modules. Link: https://lore.kernel.org/r/20200511135131.27580-26-danil.kipnis@cloud.ionos.comSigned-off-by: Danil Kipnis <danil.kipnis@cloud.ionos.com> Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Jack Wang authored
README with description of major sysfs entries, sysfs documentation are moved to ABI dir as Bart suggested. Link: https://lore.kernel.org/r/20200511135131.27580-25-danil.kipnis@cloud.ionos.comSigned-off-by: Danil Kipnis <danil.kipnis@cloud.ionos.com> Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Acked-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Jack Wang authored
Add rnbd Makefile, Kconfig and also corresponding lines into upper block layer files. Link: https://lore.kernel.org/r/20200511135131.27580-24-danil.kipnis@cloud.ionos.comSigned-off-by: Danil Kipnis <danil.kipnis@cloud.ionos.com> Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Acked-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Jack Wang authored
This is the sysfs interface to rnbd mapped devices on server side: /sys/class/rnbd-server/ctl/devices/<device_name>/ |- block_dev | *** link pointing to the corresponding block device sysfs entry | |- sessions/<session-name>/ | *** sessions directory | |- read_only | *** is devices mapped as read only | |- mapping_path *** relative device path provided by the client during mapping Link: https://lore.kernel.org/r/20200511135131.27580-23-danil.kipnis@cloud.ionos.comSigned-off-by: Danil Kipnis <danil.kipnis@cloud.ionos.com> Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Acked-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Jack Wang authored
This provides helper functions for IO submitting to block dev. Link: https://lore.kernel.org/r/20200511135131.27580-22-danil.kipnis@cloud.ionos.comSigned-off-by: Danil Kipnis <danil.kipnis@cloud.ionos.com> Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Acked-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Jack Wang authored
This is main functionality of rnbd-server module, which handles RTRS events and rnbd protocol requests, like map (open) or unmap (close) device. Also server side is responsible for processing incoming IBTRS IO requests and forward them to local mapped devices. Link: https://lore.kernel.org/r/20200511135131.27580-21-danil.kipnis@cloud.ionos.comSigned-off-by: Danil Kipnis <danil.kipnis@cloud.ionos.com> Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Acked-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Jack Wang authored
This header describes main structs and functions used by rnbd-server module, namely structs for managing sessions from different clients and mapped (opened) devices. Link: https://lore.kernel.org/r/20200511135131.27580-20-danil.kipnis@cloud.ionos.comSigned-off-by: Danil Kipnis <danil.kipnis@cloud.ionos.com> Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Acked-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Jack Wang authored
This is the sysfs interface to rnbd block devices on client side: /sys/class/rnbd-client/ctl/ |- map_device | *** maps remote device | |- devices/ *** all mapped devices /sys/block/rnbd<N>/rnbd/ |- unmap_device | *** unmaps device | |- state | *** device state | |- session | *** session name | |- mapping_path *** path of the dev that was mapped on server Link: https://lore.kernel.org/r/20200511135131.27580-19-danil.kipnis@cloud.ionos.comSigned-off-by: Danil Kipnis <danil.kipnis@cloud.ionos.com> Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Acked-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Jack Wang authored
This is main functionality of rnbd-client module, which provides interface to map remote device as local block device /dev/rnbd<N> and feeds RTRS with IO requests. Link: https://lore.kernel.org/r/20200511135131.27580-18-danil.kipnis@cloud.ionos.comSigned-off-by: Danil Kipnis <danil.kipnis@cloud.ionos.com> Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Acked-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Jack Wang authored
This header describes main structs and functions used by rnbd-client module, mainly for managing RNBD sessions and mapped block devices, creating and destroying sysfs entries. Link: https://lore.kernel.org/r/20200511135131.27580-17-danil.kipnis@cloud.ionos.comSigned-off-by: Danil Kipnis <danil.kipnis@cloud.ionos.com> Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Acked-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Jack Wang authored
These are common private headers with rnbd protocol structures, logging, sysfs and other helper functions, which are used on both client and server sides. Link: https://lore.kernel.org/r/20200511135131.27580-16-danil.kipnis@cloud.ionos.comSigned-off-by: Danil Kipnis <danil.kipnis@cloud.ionos.com> Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Acked-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Jack Wang authored
README with description of major sysfs entries, sysfs documentation has been moved to ABI dir as suggested by Bart. Link: https://lore.kernel.org/r/20200511135131.27580-15-danil.kipnis@cloud.ionos.comSigned-off-by: Danil Kipnis <danil.kipnis@cloud.ionos.com> Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com> Cc: linux-kernel@vger.kernel.org Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Jack Wang authored
Add rtrs Makefile, Kconfig and also corresponding lines into upper layer infiniband/ulp files. Link: https://lore.kernel.org/r/20200511135131.27580-14-danil.kipnis@cloud.ionos.comSigned-off-by: Danil Kipnis <danil.kipnis@cloud.ionos.com> Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Jack Wang authored
This is the sysfs interface to rtrs sessions on server side: /sys/class/rtrs-server/<SESS-NAME>/ *** rtrs session accepted from a client peer | |- paths/<SRC@DST>/ *** established paths from a client in a session | |- disconnect | *** disconnect path | |- hca_name | *** HCA name | |- hca_port | *** HCA port | |- stats/ *** current path statistics | |- rdma Link: https://lore.kernel.org/r/20200511135131.27580-13-danil.kipnis@cloud.ionos.comSigned-off-by: Danil Kipnis <danil.kipnis@cloud.ionos.com> Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Jack Wang authored
This introduces set of functions used on server side to account statistics of RDMA data sent/received. Link: https://lore.kernel.org/r/20200511135131.27580-12-danil.kipnis@cloud.ionos.comSigned-off-by: Danil Kipnis <danil.kipnis@cloud.ionos.com> Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Jack Wang authored
This is main functionality of rtrs-server module, which accepts set of RDMA connections (so called rtrs session), creates/destroys sysfs entries associated with rtrs session and notifies upper layer (user of RTRS API) about RDMA requests or link events. Link: https://lore.kernel.org/r/20200511135131.27580-11-danil.kipnis@cloud.ionos.comSigned-off-by: Danil Kipnis <danil.kipnis@cloud.ionos.com> Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Jack Wang authored
This header describes main structs and functions used by rtrs-server module, mainly for accepting rtrs sessions, creating/destroying sysfs entries, accounting statistics on server side. Link: https://lore.kernel.org/r/20200511135131.27580-10-danil.kipnis@cloud.ionos.comSigned-off-by: Danil Kipnis <danil.kipnis@cloud.ionos.com> Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Jack Wang authored
This is the sysfs interface to rtrs sessions on client side: /sys/class/rtrs-client/<SESS-NAME>/ *** rtrs session created by rtrs_clt_open() API call | |- max_reconnect_attempts | *** number of reconnect attempts for session | |- add_path | *** adds another connection path into rtrs session | |- paths/<SRC@DST>/ *** established paths to server in a session | |- disconnect | *** disconnect path | |- reconnect | *** reconnect path | |- remove_path | *** remove current path | |- state | *** retrieve current path state | |- hca_port | *** HCA port number | |- hca_name | *** HCA name | |- stats/ *** current path statistics | |- cpu_migration |- rdma |- reconnects |- reset_all Link: https://lore.kernel.org/r/20200511135131.27580-9-danil.kipnis@cloud.ionos.comSigned-off-by: Danil Kipnis <danil.kipnis@cloud.ionos.com> Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Jack Wang authored
This introduces set of functions used on client side to account statistics of RDMA data sent/received, amount of IOs inflight, latency, cpu migrations, etc. Almost all statistics are collected using percpu variables. Link: https://lore.kernel.org/r/20200511135131.27580-8-danil.kipnis@cloud.ionos.comSigned-off-by: Danil Kipnis <danil.kipnis@cloud.ionos.com> Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Jack Wang authored
This is main functionality of rtrs-client module, which manages set of RDMA connections for each rtrs session, does multipathing, load balancing and failover of RDMA requests. Link: https://lore.kernel.org/r/20200511135131.27580-7-danil.kipnis@cloud.ionos.comSigned-off-by: Danil Kipnis <danil.kipnis@cloud.ionos.com> Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Jack Wang authored
This header describes main structs and functions used by rtrs-client module, mainly for managing rtrs sessions, creating/destroying sysfs entries, accounting statistics on client side. Link: https://lore.kernel.org/r/20200511135131.27580-6-danil.kipnis@cloud.ionos.comSigned-off-by: Danil Kipnis <danil.kipnis@cloud.ionos.com> Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Jack Wang authored
This is a set of library functions existing as a rtrs-core module, used by client and server modules. Mainly these functions wrap IB and RDMA calls and provide a bit higher abstraction for implementing of RTRS protocol on client or server sides. Link: https://lore.kernel.org/r/20200511135131.27580-5-danil.kipnis@cloud.ionos.comSigned-off-by: Danil Kipnis <danil.kipnis@cloud.ionos.com> Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Jack Wang authored
These are common private headers with rtrs protocol structures, logging, sysfs and other helper functions, which are used on both client and server sides. Link: https://lore.kernel.org/r/20200511135131.27580-4-danil.kipnis@cloud.ionos.comSigned-off-by: Danil Kipnis <danil.kipnis@cloud.ionos.com> Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Jack Wang authored
Introduce public header which provides set of API functions to establish RDMA connections from client to server machine using RTRS protocol, which manages RDMA connections for each session, does multipathing and load balancing. Main functions for client (active) side: rtrs_clt_open() - Creates set of RDMA connections incapsulated in IBTRS session and returns pointer on RTRS session object. rtrs_clt_close() - Closes RDMA connections associated with RTRS session. rtrs_clt_request() - Requests zero-copy RDMA transfer to/from server. Main functions for server (passive) side: rtrs_srv_open() - Starts listening for RTRS clients on specified port and invokes RTRS callbacks for incoming RDMA requests or link events. rtrs_srv_close() - Closes RTRS server context. Link: https://lore.kernel.org/r/20200511135131.27580-3-danil.kipnis@cloud.ionos.comSigned-off-by: Danil Kipnis <danil.kipnis@cloud.ionos.com> Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Jack Wang authored
Function is going to be used in transport over RDMA module in subsequent patches, so export it to GPL modules. Link: https://lore.kernel.org/r/20200511135131.27580-2-danil.kipnis@cloud.ionos.comSigned-off-by: Roman Pen <roman.penyaev@profitbricks.com> Acked-by: Tejun Heo <tj@kernel.org> Cc: linux-kernel@vger.kernel.org [jwang: extend the commit message] Signed-off-by: Jack Wang <jinpu.wang@cloud.ionos.com> Reviewed-by: Bart Van Assche <bvanassche@acm.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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- 13 May, 2020 3 commits
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Leon Romanovsky authored
The output buffer used in mlx5_cmd_exec_inout() was wrongly changed from pre-allocated srq_out pointer to an input "out" point. That leads to unpredictable results in the get_srqc() call later. Fixes: 31578def ("RDMA/mlx5: Update mlx5_ib to use new cmd interface") Link: https://lore.kernel.org/r/20200513100809.246315-1-leon@kernel.orgReported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Daria Velikovsky authored
When drop action is used the matching packet will stop processing in steering and will be dropped. This functionality will allow users to drop matching packets. Link: https://lore.kernel.org/r/20200504054227.271486-1-leon@kernel.orgSigned-off-by: Daria Velikovsky <daria@mellanox.com> Reviewed-by: Maor Gottlieb <maorg@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Maor Gottlieb authored
User can configure default miss rule in order to skip matching in the user domain and forward the packet to the kernel steering domain. When user requests a default miss rule, we add steering rule to forward the traffic to the next namespace. Link: https://lore.kernel.org/r/20200504053012.270689-5-leon@kernel.orgSigned-off-by: Maor Gottlieb <maorg@mellanox.com> Reviewed-by: Mark Zhang <markz@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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