IB/core: Add raw packet protocol

Define raw packet protocol which comes to denote this port supports
working with raw ethernet frames, e.g as done with RAW_PACKET QPs.

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: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 22a71397db010a588d6ee1be09df63b97b235558..f311c2593a859b44ebbecf2ce30fd1db21f107b5 100644 (file)
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -489,6 +489,7 @@ static inline struct rdma_hw_stats *rdma_alloc_hw_stats_struct(
 #define RDMA_CORE_CAP_PROT_ROCE         0x00200000
 #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_PORT_IBA_IB          (RDMA_CORE_CAP_PROT_IB  \
                                        | RDMA_CORE_CAP_IB_MAD \
@@ -512,6 +513,8 @@ static inline struct rdma_hw_stats *rdma_alloc_hw_stats_struct(
 #define RDMA_CORE_PORT_INTEL_OPA       (RDMA_CORE_PORT_IBA_IB  \
                                        | RDMA_CORE_CAP_OPA_MAD)
 
+#define RDMA_CORE_PORT_RAW_PACKET      (RDMA_CORE_CAP_PROT_RAW_PACKET)
+
 struct ib_port_attr {
        u64                     subnet_prefix;
        enum ib_port_state      state;
@@ -2342,6 +2345,11 @@ static inline bool rdma_ib_or_roce(const struct ib_device *device, u8 port_num)
                rdma_protocol_roce(device, port_num);
 }
 
+static inline bool rdma_protocol_raw_packet(const struct ib_device *device, u8 port_num)
+{
+       return device->port_immutable[port_num].core_cap_flags & RDMA_CORE_CAP_PROT_RAW_PACKET;
+}
+
 /**
  * rdma_cap_ib_mad - Check if the port of a device supports Infiniband
  * Management Datagrams.