IB: Add protocol for USNIC
Add protocol definition for the proprietary the USNIC driver.
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Reviewed-by: Matan Barak <matanb@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Reviewed-by: Christian Benvenuti <benve@cisco.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
diff --git a/drivers/infiniband/hw/usnic/usnic_ib_main.c b/drivers/infiniband/hw/usnic/usnic_ib_main.c
index 0a89a95..dde0b23 100644
--- a/drivers/infiniband/hw/usnic/usnic_ib_main.c
+++ b/drivers/infiniband/hw/usnic/usnic_ib_main.c
@@ -325,6 +325,7 @@
if (err)
return err;
+ immutable->core_cap_flags = RDMA_CORE_PORT_USNIC;
immutable->pkey_tbl_len = attr.pkey_tbl_len;
immutable->gid_tbl_len = attr.gid_tbl_len;
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index f311c25..0739902 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -490,6 +490,7 @@
#define RDMA_CORE_CAP_PROT_IWARP 0x00400000
#define RDMA_CORE_CAP_PROT_ROCE_UDP_ENCAP 0x00800000
#define RDMA_CORE_CAP_PROT_RAW_PACKET 0x01000000
+#define RDMA_CORE_CAP_PROT_USNIC 0x02000000
#define RDMA_CORE_PORT_IBA_IB (RDMA_CORE_CAP_PROT_IB \
| RDMA_CORE_CAP_IB_MAD \
@@ -515,6 +516,8 @@
#define RDMA_CORE_PORT_RAW_PACKET (RDMA_CORE_CAP_PROT_RAW_PACKET)
+#define RDMA_CORE_PORT_USNIC (RDMA_CORE_CAP_PROT_USNIC)
+
struct ib_port_attr {
u64 subnet_prefix;
enum ib_port_state state;
@@ -2350,6 +2353,11 @@
return device->port_immutable[port_num].core_cap_flags & RDMA_CORE_CAP_PROT_RAW_PACKET;
}
+static inline bool rdma_protocol_usnic(const struct ib_device *device, u8 port_num)
+{
+ return device->port_immutable[port_num].core_cap_flags & RDMA_CORE_CAP_PROT_USNIC;
+}
+
/**
* rdma_cap_ib_mad - Check if the port of a device supports Infiniband
* Management Datagrams.