- 04 Aug, 2016 1 commit
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Doug Ledford authored
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- 02 Aug, 2016 10 commits
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Alex Vesker authored
The q-counter-id is given in modify-QP command associates the QP with the counter. The offset to which the counter ID was set is incorrect, causing IB port counters not to count on QP. Fixes: 0837e86a ('IB/mlx5: Add per port counters') Signed-off-by:
Alex Vesker <valex@mellanox.com> Signed-off-by:
Leon Romanovsky <leon@kernel.org> Tested-by:
Mark Bloch <markb@mellanox.com> Signed-off-by:
Doug Ledford <dledford@redhat.com>
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Slava Shwartsman authored
Number of outstanding_pi may overflow and as a result may indicate that there are no elements in the queue. The effect of doing this is that the MAD layer will get stuck waiting for completions. The MAD layer will think that the QP is full - because it didn't receive these completions. This fix changes it so the outstanding_pi number is increased with 32-bit wraparound and is not limited to max_send_wr so that the difference between outstanding_pi and outstanding_ci will really indicate the number of outstanding completions. Cc: Stable <stable@vger.kernel.org> Fixes: ea6dc203 ('IB/mlx5: Reorder GSI completions') Signed-off-by:
Slava Shwartsman <slavash@mellanox.com> Signed-off-by:
Haggai Eran <haggaie@mellanox.com> Reviewed-by:
Sagi Grimberg <sagi@grimberg.me> Signed-off-by:
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Steve Wise authored
Remove the complicated logic to free the iw_cm_id inside iw_cm event handlers vs when an application thread destroys the cm_id. Also remove the block in iw_destroy_cm_id() to block the application until all references are removed. This block can cause a deadlock when disconnecting or destroying cm_ids inside an rdma_cm event handler. Simply allowing the last deref of the iw_cm_id to free the memory is cleaner and avoids this potential deadlock. Also a flag is added, IW_CM_DROP_EVENTS, that is set when the cm_id is marked for destruction. If any events are pending on this iw_cm_id, then as they are processed they will be dropped vs posted upstream if IW_CM_DROP_EVENTS is set. Signed-off-by:
Steve Wise <swise@opengridcomputing.com> Signed-off-by:
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Steve Wise authored
Blocking in c4iw_destroy_qp() causes a deadlock when apps destroy a qp or disconnect a cm_id from their cm event handler function. There is no need to block here anyway, so just replace the refcnt atomic with a kref object and free the memory on the last put. Signed-off-by:
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Steve Wise authored
This forces the connection to abort if the application failed to disconnect before flushing. This is aligned with how the common flush services work. Signed-off-by:
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Steve Wise authored
There exists a race where the application can setup a connection and then disconnect it before iw_cxgb4 processes the fw4_ack message. For passive side connections, the fw4_ack message is used to know when to stop the ep timer for MPA_REPLY messages. If the application disconnects before the fw4_ack is handled then c4iw_ep_disconnect() needs to clean up the timer state and stop the timer before restarting it for the disconnect timer. Failure to do this results in a "timer already started" message and a premature stopping of the disconnect timer. Fixes: e4b76a2a ("RDMA/iw_cxgb4: stop_ep_timer() after MPA negotiation") Signed-off-by:
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Mustafa Ismail authored
During connection establishment with a large number of connections, it is possible that the connection requests might fail. Adding flow control prevents this failure. Change ibnl_unicast to use blocking to enable flow control. Signed-off-by:
Mustafa Ismail <mustafa.ismail@intel.com> Signed-off-by:
Faisal Latif <faisal.latif@intel.com> Signed-off-by:
Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by:
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Amitoj Kaur Chawla authored
Elsewhere the sin_family field holds a value with a name of the form AF_..., so it seems reasonable to do so here as well. Also the values of PF_INET and AF_INET are the same. The Coccinelle semantic patch that makes this change is as follows: // <smpl> @@ struct sockaddr_in sip; @@ ( sip.sin_family == - PF_INET + AF_INET | sip.sin_family != - PF_INET + AF_INET | sip.sin_family = - PF_INET + AF_INET ) // </smpl> Signed-off-by:
Amitoj Kaur Chawla <amitoj1606@gmail.com> Signed-off-by:
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Hariprasad S authored
The commit 0f8ab0b6 ("RDMA/iw_cxgb4: Low resource fixes for Memory registration") from Jun 10, 2016, leads to the following static checker warning: drivers/infiniband/hw/cxgb4/mem.c:612 c4iw_alloc_mw() error: use kfree_skb() here instead of kfree(mhp->dereg_skb) Also fixes skb leak in c4iw_dealloc_mw Fixes: 0f8ab0b6 ("RDMA/iw_cxgb4: Low resource fixes for Memory registration") Reported-by:
Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by:
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Wei Yongjun authored
Fixes the following sparse warning: drivers/infiniband/hw/mlx5/main.c:2574:25: warning: duplicate const Signed-off-by:
Wei Yongjun <yongjun_wei@trendmicro.com.cn> Acked-by:
Leon Romanovsky <leonro@mellanox.com> Signed-off-by:
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- 23 Jun, 2016 29 commits
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Doug Ledford authored
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Ira Weiny authored
Export the firmware version through the core. Acked-by:
Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by:
Ira Weiny <ira.weiny@intel.com> Signed-off-by:
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Ira Weiny authored
Now that all the devices have stopped exporting their own sysfs entry points we can have the core export this on their behalf. Eventually this may be removed but this provides for backwards compatibility. Reviewed-by:
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Ira Weiny authored
Using this allows for devices to specify the format of their firmware version rather than forcing a format. Reviewed-by:
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Ira Weiny authored
And remove sysfs file in favor of the common core. Reviewed-by:
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Ira Weiny authored
And remove sysfs in favor of the core support. Reviewed-by:
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Ira Weiny authored
And remove the sysfs in favor of the core version. Reviewed-by:
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Ira Weiny authored
And remove the sysfs entry in favor of the core support. Reviewed-by:
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Ira Weiny authored
And remove sysfs entry in favor of the common code. Reviewed-by:
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Ira Weiny authored
And remove the sysfs in favor of common core version. Reviewed-by:
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Ira Weiny authored
And remove sysfs support in favor of the core version. Reviewed-by:
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Ira Weiny authored
And remove sysfs fw_ver in favor of the core. Reviewed-by:
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Ira Weiny authored
Also remove fw_ver sysfs to be replaced by the common core one. Reviewed-by:
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Ira Weiny authored
Allow for a common core function to get firmware version strings from the individual devices. In later patches this format can then then be used to pass a properly formated version string through the IPoIB layer. The problem with the current code in the IPoIB layer is that it is specific to certain hardware types. Furthermore, this gives us a common function through which the core can provide a common sysfs entry. Eventually we may want to remove the sysfs export but this provides for user space backwards compatibility. Reviewed-by:
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Mark Bloch authored
Expose new counters using the get protocol stats callback. We expose the following counters: |------------------------------------------------------------------------| | Name | IB | EN | Description | |------------------------------------------------------------------------| |rx_write_requests | + | - | Number of received WRITE requests for | | | | | the associated QP. | |------------------------------------------------------------------------| |rx_read_requests | + | - | Number of received READ requests for | | | | | the associated QP. | |------------------------------------------------------------------------| |rx_atomic_requests | + | - | Number of received ATOMIC requests for | | | | | the associated QP. | |------------------------------------------------------------------------| |out_of_buffer | + | + | Number of drops occurred due to lack | | | | | of WQE for the associated QPs/RQs. | |------------------------------------------------------------------------| |out_of_sequence | + | - | Number of errors in the packet | | | | | transport sequence number | |------------------------------------------------------------------------| |duplicate_request | + | + | Number of received duplicated packets. | | | | | A request that previously executed is | | | | | named duplicated. | |------------------------------------------------------------------------| |rnr_nak_retry_err | + | + | Number of received RNR NAC packets. | | | | | The QP retry limit did not exceed. | |------------------------------------------------------------------------| |packet_seq_err | + | + | Number of received NAK - sequence error| | | | | packets. The QP retry limit did not | | | | | exceed. | |------------------------------------------------------------------------| |implied_nak_err | + | + | Number of times the requester detected | | | | | an ACK with a PSN larger than expected | | | | | PSN for RDMA READ or ATOMIC response | | | | | The QP retry limit did not exceed. | |------------------------------------------------------------------------| |local_ack_timeout_err| + | - | Number of NO ACK responses from | | | | | responder within timer interval. | | | | | The QP retry limit did not exceed. | |------------------------------------------------------------------------| Counters are available if all of them are supported. Signed-off-by:
Christoph Lameter <cl@linux.com> Signed-off-by:
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Mark Bloch authored
In order to support statistics for ports, we attach each QP to a counter set which is dedicate to this port. Signed-off-by:
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Artemy Kovalyov authored
Currently, the SRQ API uses the obsolete mlx5_*_srq_mbox_{in,out} structs which limit the ability to pass the SRQ attributes between net and IB parts of the driver. This patch changes the SRQ API so as to use auto-generated structs and provides a better way to pass attributes which will be in use by coming features. Signed-off-by:Artemy Kovalyov <artemyko@mellanox.com> Signed-off-by:
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Artemy Kovalyov authored
Make MODIFY_QP command input structure compliant to specification Fixes: e126ba97 ('mlx5: Add driver for Mellanox Connect-IB adapters') Signed-off-by:
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Bodong Wang authored
Enable mlx5 based hardware to report TCP segmentation offload (TSO) capabilities from kernel to user space. A TSO enabled NIC will accept big chunks of data with sizes greater than MTU for TCP traffic. The TSO engine will break the data into separate packets and will insert headers automatically. The capabilities are exposed to user space through query_device by uhw directly. The following capabilities are reported: 1. The maximum payload size in bytes supported for segmentation by TSO engine. 2. Bitmap showing which QP types are supported by TSO operation. The bitmap is built by members from 'enmu ib_qp_type'. For example, similar code should be performed if UD QP is supported: supported_qpts |= 1 << IB_QPT_UD; To make user-space library aware of whether kernel supports uhw or not, a new flag: cmds_supp_uhw will be returned back to user-space through alloc_ucontext. Signed-off-by:
Bodong Wang <bodong@mellanox.com> Signed-off-by:
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Maor Gottlieb authored
Enable flow steering for IPv6 traffic by using an IPv6 spec. Signed-off-by:
Maor Gottlieb <maorg@mellanox.com> Signed-off-by:
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Maor Gottlieb authored
Add IPv6 flow specification support. Signed-off-by:
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Maor Gottlieb authored
The driver exposes interfaces that directly relate to HW state. Upon fatal error, consumers of these interfaces (ULPs) that rely on completion of all their posted work-request could hang, thereby introducing dependencies in shutdown order. To prevent this from happening, we manage the relevant resources (CQs, QPs) that are used by the device. Upon a fatal error, we now generate simulated completions for outstanding WQEs that were not completed at the time the HW was reset. It includes invoking the completion event handler for all involved CQs so that the ULPs will poll those CQs. When polled we return simulated CQEs with IB_WC_WR_FLUSH_ERR return code enabling ULPs to clean up their resources and not wait forever for completions upon receiving remove_one. The above change requires an extra check in the data path to make sure that when device is in error state, the simulated CQEs will be returned and no further WQEs will be posted. Signed-off-by:
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Maor Gottlieb authored
Implements the IB core disassociate_ucontext API. The driver detaches the HW resources for a given user context to prevent a dependency between application termination and device disconnect. This is done by managing the VMAs that were mapped to the HW bars such as doorbell and blueflame. When need to detach, remap them to an arbitrary kernel page returned by the zap API. Signed-off-by:
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Yishai Hadas authored
Add support for Raw Ethernet RX HASH QP. Currently, creation and destruction of such a QP are supported. This QP is implemented as a simple TIR object which points to the receive RQ indirection table. The given hashing configuration is used to configure the TIR and by that it chooses the right RQ from the RQ indirection table. Signed-off-by:
Yishai Hadas <yishaih@mellanox.com> Signed-off-by:
Matan Barak <matanb@mellanox.com> Reviewed-by:
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Yishai Hadas authored
User applications that want to spread incoming traffic between several WQs should create a QP which contains an indirection table. When such a QP is created other receive side parameters are not valid and should not be given. Its send side is optional and assumed active based on max_send_wr capability value. Extend create QP to work accordingly. Signed-off-by:
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Yishai Hadas authored
Extend create QP to get Receive Work Queue (WQ) indirection table. QP can be created with external Receive Work Queue indirection table, in that case it is ready to receive immediately. Signed-off-by:
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Yishai Hadas authored
Some mlx5 based hardwares support a RQ table object. This RQ table points to a few RQ objects. We implement the receive work queue indirection table API (create and destroy) by using this hardware object. Signed-off-by:
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Yishai Hadas authored
User applications that want to spread traffic on several WQs, need to create an indirection table, by using already created WQs. Adding uverbs API in order to create and destroy this table. Signed-off-by:
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Yishai Hadas authored
Introduce Receive Work Queue (WQ) indirection table. This object can be used to spread incoming traffic to different receive Work Queues. A Receive WQ indirection table points to variable size of WQs. This table is given to a QP in downstream patches. Signed-off-by:
Sagi Grimberg <sagi@grimerg.me> Signed-off-by:
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