summaryrefslogtreecommitdiffstats
path: root/include/rdma (follow)
Commit message (Collapse)AuthorAgeFilesLines
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-nextLinus Torvalds2016-03-191-8/+6
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull networking updates from David Miller: "Highlights: 1) Support more Realtek wireless chips, from Jes Sorenson. 2) New BPF types for per-cpu hash and arrap maps, from Alexei Starovoitov. 3) Make several TCP sysctls per-namespace, from Nikolay Borisov. 4) Allow the use of SO_REUSEPORT in order to do per-thread processing of incoming TCP/UDP connections. The muxing can be done using a BPF program which hashes the incoming packet. From Craig Gallek. 5) Add a multiplexer for TCP streams, to provide a messaged based interface. BPF programs can be used to determine the message boundaries. From Tom Herbert. 6) Add 802.1AE MACSEC support, from Sabrina Dubroca. 7) Avoid factorial complexity when taking down an inetdev interface with lots of configured addresses. We were doing things like traversing the entire address less for each address removed, and flushing the entire netfilter conntrack table for every address as well. 8) Add and use SKB bulk free infrastructure, from Jesper Brouer. 9) Allow offloading u32 classifiers to hardware, and implement for ixgbe, from John Fastabend. 10) Allow configuring IRQ coalescing parameters on a per-queue basis, from Kan Liang. 11) Extend ethtool so that larger link mode masks can be supported. From David Decotigny. 12) Introduce devlink, which can be used to configure port link types (ethernet vs Infiniband, etc.), port splitting, and switch device level attributes as a whole. From Jiri Pirko. 13) Hardware offload support for flower classifiers, from Amir Vadai. 14) Add "Local Checksum Offload". Basically, for a tunneled packet the checksum of the outer header is 'constant' (because with the checksum field filled into the inner protocol header, the payload of the outer frame checksums to 'zero'), and we can take advantage of that in various ways. From Edward Cree" * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1548 commits) bonding: fix bond_get_stats() net: bcmgenet: fix dma api length mismatch net/mlx4_core: Fix backward compatibility on VFs phy: mdio-thunder: Fix some Kconfig typos lan78xx: add ndo_get_stats64 lan78xx: handle statistics counter rollover RDS: TCP: Remove unused constant RDS: TCP: Add sysctl tunables for sndbuf/rcvbuf on rds-tcp socket net: smc911x: convert pxa dma to dmaengine team: remove duplicate set of flag IFF_MULTICAST bonding: remove duplicate set of flag IFF_MULTICAST net: fix a comment typo ethernet: micrel: fix some error codes ip_tunnels, bpf: define IP_TUNNEL_OPTS_MAX and use it bpf, dst: add and use dst_tclassid helper bpf: make skb->tc_classid also readable net: mvneta: bm: clarify dependencies cls_bpf: reset class and reuse major in da ldmvsw: Checkpatch sunvnet.c and sunvnet_common.c ldmvsw: Add ldmvsw.c driver code ...
| * net: rdma: use __ethtool_get_ksettingsDavid Decotigny2016-02-261-8/+6
| | | | | | | | | | Signed-off-by: David Decotigny <decot@googlers.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| |
| \
*-. \ Merge branches 'nes', 'cxgb4' and 'iwpm' into k.o/for-4.6Doug Ledford2016-03-161-1/+5
|\ \ \ | | |/ | |/|
| | * iwcm: common code for port mapperFaisal Latif2016-03-161-1/+5
| |/ | | | | | | | | | | | | | | | | | | | | moved port mapper related code from drivers into common code Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com> Signed-off-by: Tatyana E. Nikolova <tatyana.e.nikolova@intel.com> Signed-off-by: Faisal Latif <faisal.latif@intel.com> Reviewed-by: Steve Wise <swise@opengridcomputing.com> Tested-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
| |
| \
| \
| \
*---. | Merge branches 'mlx4', 'mlx5' and 'ocrdma' into k.o/for-4.6Doug Ledford2016-03-161-1/+13
|\ \ \|
| | * | IB/core: Add arbitrary sg_list supportSagi Grimberg2016-03-041-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Devices that are capable in registering SG lists with gaps can now expose it in the core to ULPs using a new device capability IB_DEVICE_SG_GAPS_REG (in a new field device_cap_flags_ex in the device attributes as we ran out of bits), and a new mr_type IB_MR_TYPE_SG_GAPS_REG which allocates a memory region which is capable of handling SG lists with gaps. Signed-off-by: Sagi Grimberg <sagig@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
| | * | IB/core: Add vendor's specific data to alloc mwMatan Barak2016-03-011-1/+2
| | |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | Passing udata to the vendor's driver in order to pass data from the user-space driver to the kernel-space driver. This data will be used in downstream patches. Signed-off-by: Matan Barak <matanb@mellanox.com> Reviewed-by: Yishai Hadas <yishaih@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
| * / IB/core: Add don't trap flag to flow creationMarina Varshaver2016-02-291-0/+5
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Don't trap flag (i.e. IB_FLOW_ATTR_FLAGS_DONT_TRAP) indicates that QP will receive traffic, but will not steal it. When a packet matches a flow steering rule that was created with the don't trap flag, the QPs assigned to this rule will get this packet, but matching will continue to other equal/lower priority rules. This will let other QPs assigned to those rules to get the packet too. If both don't trap rule and other rules have the same priority and match the same packet, the behavior is undefined. The don't trap flag can't be set with default rule types (i.e. IB_FLOW_ATTR_ALL_DEFAULT, IB_FLOW_ATTR_MC_DEFAULT) as default rules don't have rules after them and don't trap has no meaning here. Signed-off-by: Marina Varshaver <marinav@mellanox.com> Reviewed-by: Matan Barak <matanb@mellanox.com> Reviewed-by: Yishai Hadas <yishaih@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
| |
| \
*-. \ Merge branches 'ib_core', 'ib_ipoib', 'srpt', 'drain-cq-v4' and 'net/9p' ↵Doug Ledford2016-03-141-0/+5
|\ \ \ | | |/ | |/| | | | into k.o/for-4.6
| | * IB: new common API for draining queuesSteve Wise2016-02-291-0/+5
| |/ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add provider-specific drain_sq/drain_rq functions for providers needing special drain logic. Add static functions __ib_drain_sq() and __ib_drain_rq() which post noop WRs to the SQ or RQ and block until their completions are processed. This ensures the applications completions for work requests posted prior to the drain work request have all been processed. Add API functions ib_drain_sq(), ib_drain_rq(), and ib_drain_qp(). For the drain logic to work, the caller must: ensure there is room in the CQ(s) and QP for the drain work request and completion. allocate the CQ using ib_alloc_cq() and the CQ poll context cannot be IB_POLL_DIRECT. ensure that there are no other contexts that are posting WRs concurrently. Otherwise the drain is not guaranteed. Reviewed-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* / IB/core: Documentation fix in the MAD header fileHal Rosenstock2016-03-031-2/+2
|/ | | | | | | | In ib_mad.h, ib_mad_snoop_handler uses send_buf rather than send_wr Signed-off-by: Hal Rosenstock <hal@mellanox.com> Reviewed-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* IB/mlx4: Enable send of RoCE QP1 packets with IP/UDP headersMoni Shoua2016-01-191-2/+2
| | | | | | | | | | | | RoCEv2 packets are sent over IP/UDP protocols. The mlx4 driver uses a type of RAW QP to send packets for QP1 and therefore needs to build the network headers below BTH in software. This patch adds option to build QP1 packets with IP and UDP headers if RoCEv2 is requested. Signed-off-by: Moni Shoua <monis@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* IB/core: Add definition for the standard RoCE V2 UDP portMoni Shoua2016-01-191-0/+1
| | | | | | | | | This will be used in hardware device driver when building QP or AH contexts. Signed-off-by: Moni Shoua <monis@mellanox.com> Signed-off-by: Matan Barak <matanb@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* IB/core: Use hop-limit from IP stack for RoCEMatan Barak2016-01-191-1/+3
| | | | | | | | | Previously, IPV6_DEFAULT_HOPLIMIT was used as the hop limit value for RoCE. Fixing that by taking ip4_dst_hoplimit and ip6_dst_hoplimit as hop limit values. Signed-off-by: Matan Barak <matanb@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* IB/core: Rename rdma_addr_find_dmac_by_grhMatan Barak2016-01-191-2/+3
| | | | | | | | | rdma_addr_find_dmac_by_grh resolves dmac, vlan_id and if_index and downsteram patch will also add hop_limit as an output parameter, thus we rename it to rdma_addr_find_l2_eth_by_grh. Signed-off-by: Matan Barak <matanb@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* IB/mad: pass ib_mad_send_buf explicitly to the recv_handlerChristoph Hellwig2016-01-191-0/+2
| | | | | | | | | | Stop abusing wr_id and just pass the parameter explicitly. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hal Rosenstock <hal@mellanox.com> Reviewed-by: Ira Weiny <ira.weiny@intel.com> Reviewed-by: Sagi Grimberg <sagig@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* IB/core: Add cross-channel supportLeon Romanovsky2015-12-241-0/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The cross-channel feature allows to execute WQEs that involve synchronization of I/O operations’ on different QPs. This capability enables to program complex flows with a single function call, hereby significantly reducing overhead associated with I/O processing. Cross-channel operations support is indicated by HCA capability information. The queue pairs can be configured to work as a “sync master queue” or “sync slave queues”. The added flags are: 1. Device capability flag IB_DEVICE_CROSS_CHANNEL for the devices that can perform cross-channel operations. 2. CQ property flag IB_CQ_FLAGS_IGNORE_OVERRUN to disable CQ overrun check. This check is useless in cross-channel scenario. 3. QP property flags to indicate if queues are slave or master: * IB_QP_CREATE_MANAGED_SEND indicates that posted send work requests will not be executed immediately and requires enabling. * IB_QP_CREATE_MANAGED_RECV indicates that posted receive work requests will not be executed immediately and requires enabling. * IB_QP_CREATE_CROSS_CHANNEL declares the QP to work in cross-channel mode. If IB_QP_CREATE_MANAGED_SEND and IB_QP_CREATE_MANAGED_RECV are not provided, this QP will be sync master queue, else it will be sync slave. Reviewed-by: Sagi Grimberg <sagig@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* IB/core: Align coding style of ib_device_cap_flags structureLeon Romanovsky2015-12-241-30/+30
| | | | | | | | | Modify enum ib_device_cap_flags such that other patches which add new enum values pass strict checkpatch.pl checks. Reviewed-by: Sagi Grimberg <sagig@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* IB/core: Add ib_is_udata_clearedMatan Barak2015-12-241-0/+27
| | | | | | | | | | Extending core and vendor verb commands require us to check that the unknown part of the user's given command is all zeros. Adding ib_is_udata_cleared in order to do so. Signed-off-by: Matan Barak <matanb@mellanox.com> Reviewed-by: Haggai Eran <haggaie@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* IB/core: Display extended counter set if availableChristoph Lameter2015-12-231-0/+1
| | | | | | | | | | Check if the extended counters are available and if so create the proper extended and additional counters. Signed-off-by: Christoph Lameter <cl@linux.com> Reviewed-by: Ira Weiny <ira.weiny@intel.com> Reviewed-by: Hal Rosenstock <hal@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* IB: remove the write-only usecnt field from struct ib_mrChristoph Hellwig2015-12-231-1/+0
| | | | | | | Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Bart Van Assche <bvanassche@sandisk.com> Reviewed-by: Sagi Grimberg <sagig@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* IB: remove the struct ib_phys_buf definitionChristoph Hellwig2015-12-231-5/+0
| | | | | | | | Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Sagi Grimberg <sagig@mellanox.com> Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> [core] Reviewed-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* IB: remove in-kernel support for memory windowsChristoph Hellwig2015-12-231-83/+0
| | | | | | | | | | | | Remove the unused ib_allow_mw and ib_bind_mw functions, remove the unused IB_WR_BIND_MW and IB_WC_BIND_MW opcodes and move ib_dealloc_mw into the uverbs module. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Sagi Grimberg <sagig@mellanox.com> Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> [core] Reviewed-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* IB: remove support for phys MRsChristoph Hellwig2015-12-231-12/+4
| | | | | | | | | | | | We have stopped using phys MRs in the kernel a while ago, so let's remove all the cruft used to implement them. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Sagi Grimberg <sagig@mellanox.com> Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> [core] Reviewed-By: Devesh Sharma<devesh.sharma@avagotech.com> [ocrdma] Reviewed-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* IB: remove ib_query_mrChristoph Hellwig2015-12-231-18/+0
| | | | | | | | | | | This functionality has no users and was only supported by the staged out EHCA driver. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Sagi Grimberg <sagig@mellanox.com> Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> [core] Reviewed-by: Steve Wise <swise@opengridcomputing.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* IB: start documenting device capabilitiesChristoph Hellwig2015-12-231-0/+18
| | | | | | | | | | Just IB_DEVICE_LOCAL_DMA_LKEY and IB_DEVICE_MEM_MGT_EXTENSIONS for now as I'm most familar with those. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Sagi Grimberg <sagig@mellanox.com> Reviewed-By: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* IB/cma: Join and leave multicast groups with IGMPMoni Shoua2015-12-231-0/+2
| | | | | | | | | Since RoCEv2 is a protocol over IP header it is required to send IGMP join and leave requests to the network when joining and leaving multicast groups. Signed-off-by: Moni Shoua <monis@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* IB/core: Initialize UD header structure with IP and UDP headersMoni Shoua2015-12-231-7/+38
| | | | | | | | | | | ib_ud_header_init() is used to format InfiniBand headers in a buffer up to (but not with) BTH. For RoCE UDP ENCAP it is required that this function would be able to build also IP and UDP headers. Signed-off-by: Moni Shoua <monis@mellanox.com> Signed-off-by: Matan Barak <matanb@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* IB/core: Validate route when we init ahMatan Barak2015-12-231-3/+7
| | | | | | | | | In order to make sure API users don't try to use SGIDs which don't conform to the routing table, validate the route before searching the RoCE GID table. Signed-off-by: Matan Barak <matanb@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* IB/core: Add rdma_network_type to wcSomnath Kotur2015-12-232-0/+45
| | | | | | | | | | | | | | | | Providers should tell IB core the wc's network type. This is used in order to search for the proper GID in the GID table. When using HCAs that can't provide this info, IB core tries to deep examine the packet and extract the GID type by itself. We choose sgid_index and type from all the matching entries in RDMA-CM based on hint from the IP stack and we set hop_limit for the IP packet based on above hint from IP stack. Signed-off-by: Matan Barak <matanb@mellanox.com> Signed-off-by: Somnath Kotur <Somnath.Kotur@Avagotech.Com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* IB/core: Add ROCE_UDP_ENCAP (RoCE V2) typeMatan Barak2015-12-231-2/+21
| | | | | | | | | Adding RoCE v2 GID type and port type. Vendors which support this type will get their GID table populated with RoCE v2 GIDs automatically. Signed-off-by: Matan Barak <matanb@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* IB/core: Add gid_type to gid attributeMatan Barak2015-12-233-1/+15
| | | | | | | | | | | | | In order to support multiple GID types, we need to store the gid_type with each GID. This is also aligned with the RoCE v2 annex "RoCEv2 PORT GID table entries shall have a "GID type" attribute that denotes the L3 Address type". The currently supported GID is IB_GID_TYPE_IB which is also RoCE v1 GID type. This implies that gid_type should be added to roce_gid_table meta-data. Signed-off-by: Matan Barak <matanb@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* Merge branches '4.5/Or-cleanup' and '4.5/rdma-cq' into k.o/for-4.5Doug Ledford2015-12-221-3/+35
|\ | | | | | | | | | | | | Signed-off-by: Doug Ledford <dledford@redhat.com> Conflicts: drivers/infiniband/ulp/iser/iser_verbs.c
| * Merge branch 'rdma-cq.2' of git://git.infradead.org/users/hch/rdma into ↵Doug Ledford2015-12-151-3/+35
| |\ | | | | | | | | | | | | | | | | | | | | | | | | | | | 4.5/rdma-cq Signed-off-by: Doug Ledford <dledford@redhat.com> Conflicts: drivers/infiniband/ulp/srp/ib_srp.c - Conflicts with changes in ib_srp.c introduced during 4.4-rc updates
| | * IB: add a proper completion queue abstractionChristoph Hellwig2015-12-111-3/+35
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds an abstraction that allows ULPs to simply pass a completion object and completion callback with each submitted WR and let the RDMA core handle the nitty gritty details of how to handle completion interrupts and poll the CQ. In detail there is a new ib_cqe structure which just contains the completion callback, and which can be used to get at the containing object using container_of. It is pointed to by the WR and WC as an alternative to the wr_id field, similar to how many ULPs already use the field to store a pointer using casts. A driver using the new completion callbacks allocates it's CQs using the new ib_create_cq API, which in addition to the number of CQEs and the completion vectors also takes a mode on how we poll for CQEs. Three modes are available: direct for drivers that never take CQ interrupts and just poll for them, softirq to poll from softirq context using the to be renamed blk-iopoll infrastructure which takes care of rearming and budgeting, or a workqueue for consumer who want to be called from user context. Thanks a lot to Sagi Grimberg who helped reviewing the API, wrote the current version of the workqueue code because my two previous attempts sucked too much and converted the iSER initiator to the new API. Signed-off-by: Christoph Hellwig <hch@lst.de>
* | | IB/core: Remove ib_query_deviceOr Gerlitz2015-12-221-3/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | The copy of the attributes present on the device is now used by all consumers except for uverbs in case of serving user-space query, where dev->query_device is called. Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* | | IB/core: Save the device attributes on the device structureIra Weiny2015-12-221-0/+1
|/ / | | | | | | | | | | | | | | | | This way both the IB core and upper level drivers can access these cached device attributes rather than querying or caching them on their own. Signed-off-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* | IB/mad: Require CM send method for everything except ClassPortInfoHal Rosenstock2015-12-081-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Receipt of CM MAD with other than the Send method for an attribute other than the ClassPortInfo attribute is invalid. CM attributes other than ClassPortInfo only use the send method. The SRP initiator does not maintain a timeout policy for CM connect requests relies on the CM layer to do that. The result was that the SRP initiator hung as the connect request never completed. A new SRP target has been observed to respond to Send CM REQ with GetResp of CM REQ with bad status. This is non conformant with IBA spec but exposes a vulnerability in the current MAD/CM code which will respond to the incoming GetResp of CM REQ as if it was a valid incoming Send of CM REQ rather than tossing this on the floor. It also causes the MAD layer not to retransmit the original REQ even though it has not received a REP. Reviewed-by: Sagi Grimberg <sagig@mellanox.com> Signed-off-by: Hal Rosenstock <hal@mellanox.com> Reviewed-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* | IB/core: use RCU for uverbs id lookupMike Marciniszyn2015-12-071-0/+1
|/ | | | | | | | | | | | | | | | | | | The current implementation gets a spin_lock, and at any scale with qib and hfi1 post send, the lock contention grows exponentially with the number of QPs. idr_find() is RCU compatibile, so read doesn't need the lock. Change to use rcu_read_lock() and rcu_read_unlock() in __idr_get_uobj(). kfree_rcu() is used to insure a grace period between the idr removal and actual free. Reviewed-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Reviewed-By: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* IB/core, cma: Make __attribute_const__ declarations sparse-friendlyBart Van Assche2015-10-302-3/+3
| | | | | | | | | | | | | | Move the __attribute_const__ declarations such that sparse understands that these apply to the function itself and not to the return type. This avoids that sparse reports error messages like the following: drivers/infiniband/core/verbs.c:73:12: error: symbol 'ib_event_msg' redeclared with different type (originally declared at include/rdma/ib_verbs.h:470) - different modifiers Fixes: 2b1b5b601230 ("IB/core, cma: Nice log-friendly string helpers") Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com> Cc: Sagi Grimberg <sagig@mellanox.com> Reviewed-by: Sagi Grimberg <sagig@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* IB/core: Remove old fast registration APISagi Grimberg2015-10-291-54/+0
| | | | | | | | No callers and no providers left, go ahead and remove it. Signed-off-by: Sagi Grimberg <sagig@mellanox.com> Acked-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Doug Ledford <dledford@redhat.com>
* IB/core: Introduce new fast registration APISagi Grimberg2015-10-291-0/+44
| | | | | | | | | | | | | | | | | | | | | | | | The new fast registration verb ib_map_mr_sg receives a scatterlist and converts it to a page list under the verbs API thus hiding the specific HW mapping details away from the consumer. The provider drivers are provided with a generic helper ib_sg_to_pages that converts a scatterlist into a vector of page addresses. The drivers can still perform any HW specific page address setting by passing a set_page function pointer which will be invoked for each page address. This allows drivers to avoid keeping a shadow page vectors and convert them to HW specific translations by doing extra copies. This API will allow ULPs to remove the duplicated code of constructing a page vector from a given sg list. The send work request ib_reg_wr also shrinks as it will contain only mr, key and access flags in addition. Signed-off-by: Sagi Grimberg <sagig@mellanox.com> Tested-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Doug Ledford <dledford@redhat.com>
* Merge branch 'wr-cleanup' into k.o/for-4.4Doug Ledford2015-10-291-46/+85
|\
| * IB: remove xrc_remote_srq_num from struct ib_send_wrChristoph Hellwig2015-10-081-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The field is only initialized in mlx, but never used. If we want to add proper XRC support it should be done with a new struct ib_xrc_wr. This shrinks the various WR structures by another 4 bytes. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Sagi Grimberg <sagig@mellanox.com> Reviewed-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com> Tested-by: Haggai Eran <haggaie@mellanox.com>
| * IB: split struct ib_send_wrChristoph Hellwig2015-10-081-45/+85
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch split up struct ib_send_wr so that all non-trivial verbs use their own structure which embedds struct ib_send_wr. This dramaticly shrinks the size of a WR for most common operations: sizeof(struct ib_send_wr) (old): 96 sizeof(struct ib_send_wr): 48 sizeof(struct ib_rdma_wr): 64 sizeof(struct ib_atomic_wr): 96 sizeof(struct ib_ud_wr): 88 sizeof(struct ib_fast_reg_wr): 88 sizeof(struct ib_bind_mw_wr): 96 sizeof(struct ib_sig_handover_wr): 80 And with Sagi's pending MR rework the fast registration WR will also be down to a reasonable size: sizeof(struct ib_fastreg_wr): 64 Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Bart Van Assche <bart.vanassche@sandisk.com> [srp, srpt] Reviewed-by: Chuck Lever <chuck.lever@oracle.com> [sunrpc] Tested-by: Haggai Eran <haggaie@mellanox.com> Tested-by: Sagi Grimberg <sagig@mellanox.com> Tested-by: Steve Wise <swise@opengridcomputing.com>
* | IB/cma: Add support for network namespacesGuy Shapiro2015-10-281-1/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add support for network namespaces in the ib_cma module. This is accomplished by: 1. Adding network namespace parameter for rdma_create_id. This parameter is used to populate the network namespace field in rdma_id_private. rdma_create_id keeps a reference on the network namespace. 2. Using the network namespace from the rdma_id instead of init_net inside of ib_cma, when listening on an ID and when looking for an ID for an incoming request. 3. Decrementing the reference count for the appropriate network namespace when calling rdma_destroy_id. In order to preserve the current behavior init_net is passed when calling from other modules. Signed-off-by: Guy Shapiro <guysh@mellanox.com> Signed-off-by: Haggai Eran <haggaie@mellanox.com> Signed-off-by: Yotam Kenneth <yotamke@mellanox.com> Signed-off-by: Shachar Raindel <raindel@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* | IB/addr: Pass network namespace as a parameterGuy Shapiro2015-10-281-1/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add network namespace support to the ib_addr module. For that, all the address resolution and matching should be done using the appropriate namespace instead of init_net. This is achieved by: 1. Adding an explicit network namespace argument to exported function that require a namespace. 2. Saving the namespace in the rdma_addr_client structure. 3. Using it when calling networking functions. In order to preserve the behavior of calling modules, &init_net is passed as the parameter in calls from other modules. This is modified as namespace support is added on more levels. Signed-off-by: Haggai Eran <haggaie@mellanox.com> Signed-off-by: Yotam Kenneth <yotamke@mellanox.com> Signed-off-by: Shachar Raindel <raindel@mellanox.com> Signed-off-by: Guy Shapiro <guysh@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* | IB/core: Remove smac and vlan id from path recordMatan Barak2015-10-221-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | The GID cache accompanies every GID with attributes. The GID attributes link the GID with its netdevice, which could be resolved to smac and vlan id easily. Since we've added the netdevice (ifindex and net) to the path record, storing the L2 attributes is duplicated data and hence these attributes are removed. Signed-off-by: Matan Barak <matanb@mellanox.com> Reviewed-By: Devesh Sharma <devesh.sharma@avagotech.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* | IB/core: Remove smac and vlan id from qp_attr and ah_attrMatan Barak2015-10-221-9/+4
| | | | | | | | | | | | | | | | | | Smac and vlan id could be resolved from the GID attribute, and thus these attributes aren't needed anymore. Removing them. Signed-off-by: Matan Barak <matanb@mellanox.com> Reviewed-By: Devesh Sharma <devesh.sharma@avagotech.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
* | IB/core: Use GID table in AH creation and dmac resolutionMatan Barak2015-10-221-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Previously, vlan id and source MAC were used from QP attributes. Since the net device is now stored in the GID attributes, they could be used instead of getting this information from the QP attributes. IB_QP_SMAC, IB_QP_ALT_SMAC, IB_QP_VID and IB_QP_ALT_VID were removed because there is no known libibverbs that uses them. This commit also modifies the vendors (mlx4, ocrdma) drivers in order to use the new approach. ocrdma driver changes were done by Somnath Kotur <Somnath.Kotur@Avagotech.Com> Signed-off-by: Matan Barak <matanb@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-15 20:49:09 +0100