diff options
| author | Vishwanathapura, Niranjana <niranjana.vishwanathapura@intel.com> | 2017-04-12 20:29:28 -0700 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2017-04-20 12:03:12 -0400 |
| commit | d4829ea6035b89dcddfdcb72d325ca2139f23730 (patch) | |
| tree | 98c2c6711d7723bf8826ca38f6f420491eca16cf /drivers/infiniband/hw/hfi1/hfi.h | |
| parent | 1bd671ab3fb99932fc8692463eabbb237b6bcef1 (diff) | |
IB/hfi1: OPA_VNIC RDMA netdev support
Add support to create and free OPA_VNIC rdma netdev devices.
Implement netstack interface functionality including xmit_skb,
receive side NAPI etc. Also implement rdma netdev control functions.
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Signed-off-by: Andrzej Kacprowski <andrzej.kacprowski@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/hfi1/hfi.h')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/hfi.h | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/hfi1/hfi.h b/drivers/infiniband/hw/hfi1/hfi.h index a31638cc30ff..f85e8f4eae69 100644 --- a/drivers/infiniband/hw/hfi1/hfi.h +++ b/drivers/infiniband/hw/hfi1/hfi.h @@ -1,7 +1,7 @@ #ifndef _HFI1_KERNEL_H #define _HFI1_KERNEL_H /* - * Copyright(c) 2015, 2016 Intel Corporation. + * Copyright(c) 2015-2017 Intel Corporation. * * This file is provided under a dual BSD/GPLv2 license. When using or * redistributing this file, you may do so under either license. @@ -337,6 +337,12 @@ struct hfi1_ctxtdata { * packets with the wrong interrupt handler. */ int (*do_interrupt)(struct hfi1_ctxtdata *rcd, int threaded); + + /* Indicates that this is vnic context */ + bool is_vnic; + + /* vnic queue index this context is mapped to */ + u8 vnic_q_idx; }; /* @@ -808,6 +814,19 @@ struct hfi1_asic_data { struct hfi1_i2c_bus *i2c_bus1; }; +/* + * Number of VNIC contexts used. Ensure it is less than or equal to + * max queues supported by VNIC (HFI1_VNIC_MAX_QUEUE). + */ +#define HFI1_NUM_VNIC_CTXT 8 + +/* Virtual NIC information */ +struct hfi1_vnic_data { + struct idr vesw_idr; +}; + +struct hfi1_vnic_vport_info; + /* device data struct now contains only "general per-device" info. * fields related to a physical IB port are in a hfi1_pportdata struct. */ @@ -1115,6 +1134,9 @@ struct hfi1_devdata { send_routine process_dma_send; void (*pio_inline_send)(struct hfi1_devdata *dd, struct pio_buf *pbuf, u64 pbc, const void *from, size_t count); + int (*process_vnic_dma_send)(struct hfi1_devdata *dd, u8 q_idx, + struct hfi1_vnic_vport_info *vinfo, + struct sk_buff *skb, u64 pbc, u8 plen); /* hfi1_pportdata, points to array of (physical) port-specific * data structs, indexed by pidx (0..n-1) */ @@ -1170,6 +1192,9 @@ struct hfi1_devdata { struct rhashtable *sdma_rht; struct kobject kobj; + + /* vnic data */ + struct hfi1_vnic_data vnic; }; /* 8051 firmware version helper */ |