diff options
| author | Vishwanathapura, Niranjana <niranjana.vishwanathapura@intel.com> | 2017-04-12 20:29:20 -0700 |
|---|---|---|
| committer | Doug Ledford <dledford@redhat.com> | 2017-04-20 12:01:38 -0400 |
| commit | 2fc77572649163f8d669389e87217cc99942847a (patch) | |
| tree | 67ca1cfcde41333ada8e82f0a778becff6923f01 | |
| parent | c73690ca16b1dd17b5e45d23fb2d76d083fb03bf (diff) | |
| download | linux-2fc77572649163f8d669389e87217cc99942847a.tar.bz2 | |
IB/opa-vnic: RDMA NETDEV interface
Add rdma netdev interface to ib device structure allowing rdma netdev
devices to be allocated by ib clients.
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: Doug Ledford <dledford@redhat.com>
| -rw-r--r-- | include/rdma/ib_verbs.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 4ce7c20fe219..dd02ba53fd1f 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -55,6 +55,7 @@ #include <net/ip.h> #include <linux/string.h> #include <linux/slab.h> +#include <linux/netdevice.h> #include <linux/if_link.h> #include <linux/atomic.h> @@ -1877,6 +1878,24 @@ struct ib_port_immutable { u32 max_mad_size; }; +/* rdma netdev type - specifies protocol type */ +enum rdma_netdev_t { + RDMA_NETDEV_OPA_VNIC +}; + +/** + * struct rdma_netdev - rdma netdev + * For cases where netstack interfacing is required. + */ +struct rdma_netdev { + void *clnt_priv; + struct ib_device *hca; + u8 port_num; + + /* control functions */ + void (*set_id)(struct net_device *netdev, int id); +}; + struct ib_device { /* Do not access @dma_device directly from ULP nor from HW drivers. */ struct device *dma_device; @@ -2130,6 +2149,20 @@ struct ib_device { struct ib_rwq_ind_table_init_attr *init_attr, struct ib_udata *udata); int (*destroy_rwq_ind_table)(struct ib_rwq_ind_table *wq_ind_table); + /** + * rdma netdev operations + * + * Driver implementing alloc_rdma_netdev must return -EOPNOTSUPP if it + * doesn't support the specified rdma netdev type. + */ + struct net_device *(*alloc_rdma_netdev)( + struct ib_device *device, + u8 port_num, + enum rdma_netdev_t type, + const char *name, + unsigned char name_assign_type, + void (*setup)(struct net_device *)); + void (*free_rdma_netdev)(struct net_device *netdev); struct module *owner; struct device dev; |