BMC/Intel-BMC/linux.git/include/rdma/ib_verbs.h, branch dev-4.6

Merge branches 'i40iw', 'sriov' and 'hfi1' into k.o/for-4.6

2016-03-21T21:32:23+00:00

IB/core: Add interfaces to control VF attributes

2016-03-21T21:13:14+00:00

Following the practice exercised for network devices which allow the PF net device to configure attributes of its virtual functions, we introduce the following functions to be used by IPoIB which is the network driver implementation for IB devices. ib_set_vf_link_state - set the policy for a VF link. More below. ib_get_vf_config - read configuration information of a VF ib_get_vf_stats - read VF statistics ib_set_vf_guid - set the node or port GUID of a VF Also add an indication in the device cap flags that indicates that this IB devices is based on a virtual function. A VF shares the physical port with the PF and other VFs. When setting the link state we have three options: 1. Auto - in this mode, the virtual port follows the state of the physical port and becomes active only if the physical port's state is active. In all other cases it remains in a Down state. 2. Down - sets the state of the virtual port to Down 3. Up - causes the virtual port to transition into Initialize state if it was not already in this state. A virtualization aware subnet manager can then bring the state of the port into the Active state. Signed-off-by: Eli Cohen Reviewed-by: Or Gerlitz Signed-off-by: Doug Ledford

IB/core: Support accessing SA in virtualized environment

2016-03-21T20:34:06+00:00

Per the ongoing standardisation process, when virtual HCAs are present in a network, traffic is routed based on a destination GID. In order to access the SA we use the well known SA GID. We also add a GRH required boolean field to the port attributes which is used to report to the verbs consumer whether this port is connected to a virtual network. We use this field to realize whether we need to create an address vector with GRH to access the subnet administrator. We clear the port attributes struct before calling the hardware driver to make sure the default remains that GRH is not required. Signed-off-by: Eli Cohen Reviewed-by: Or Gerlitz Signed-off-by: Doug Ledford

IB/core: Add subnet prefix to port info

2016-03-21T20:34:06+00:00

The subnet prefix is a part of the port_info MAD returned and should be available at the ib_port_attr struct. We define it here and provide a default implementation in case the hardware driver does not provide one. The subnet prefix is required when creating the address vector to access the SA in networks where GRH must be used. Signed-off-by: Eli Cohen Reviewed-by: Or Gerlitz Signed-off-by: Doug Ledford

IB/{core, ulp} Support above 32 possible device capability flags

2016-03-21T20:32:59+00:00

The old bitwise device_cap_flags variable was limited to u32 which has all bits already defined. In order to overcome it, we converted device_cap_flags variable to be u64 type. Signed-off-by: Leon Romanovsky Reviewed-by: Matan Barak Signed-off-by: Doug Ledford

Merge branches 'mlx4', 'mlx5' and 'ocrdma' into k.o/for-4.6

2016-03-16T17:38:28+00:00

IB/rdmavt: Break rdma_vt main include header file up

2016-03-11T01:37:14+00:00

Until all functionality is moved over to rdmavt drivers still need to access a number of fields in data structures that are predominantly meant to be used by rdmavt. Once these rdmavt_.h header files are no longer being touched by drivers their content should be moved to rdmavt/.h. While here move a couple #defines over to more general IB verbs header files because they fit better. Reviewed-by: Ira Weiny Reviewed-by: Mike Marciniszyn Signed-off-by: Dennis Dalessandro Signed-off-by: Doug Ledford

IB/core: Add arbitrary sg_list support

2016-03-04T16:59:34+00:00

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 Signed-off-by: Doug Ledford

IB/core: Add vendor's specific data to alloc mw

2016-03-01T16:18:53+00:00

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 Reviewed-by: Yishai Hadas Signed-off-by: Doug Ledford

IB/core: Add don't trap flag to flow creation

2016-02-29T22:11:40+00:00

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 Reviewed-by: Matan Barak Reviewed-by: Yishai Hadas Signed-off-by: Doug Ledford