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-rw-r--r--drivers/infiniband/core/cache.c1
-rw-r--r--drivers/infiniband/core/roce_gid_mgmt.c3
-rw-r--r--include/rdma/ib_verbs.h23
3 files changed, 24 insertions, 3 deletions
diff --git a/drivers/infiniband/core/cache.c b/drivers/infiniband/core/cache.c
index 06e47e197fde..4a2968b1cf56 100644
--- a/drivers/infiniband/core/cache.c
+++ b/drivers/infiniband/core/cache.c
@@ -128,6 +128,7 @@ static void dispatch_gid_change_event(struct ib_device *ib_dev, u8 port)
static const char * const gid_type_str[] = {
[IB_GID_TYPE_IB] = "IB/RoCE v1",
+ [IB_GID_TYPE_ROCE_UDP_ENCAP] = "RoCE v2",
};
const char *ib_cache_gid_type_str(enum ib_gid_type gid_type)
diff --git a/drivers/infiniband/core/roce_gid_mgmt.c b/drivers/infiniband/core/roce_gid_mgmt.c
index 61c27a704e77..1e3673f31dad 100644
--- a/drivers/infiniband/core/roce_gid_mgmt.c
+++ b/drivers/infiniband/core/roce_gid_mgmt.c
@@ -71,7 +71,8 @@ static const struct {
bool (*is_supported)(const struct ib_device *device, u8 port_num);
enum ib_gid_type gid_type;
} PORT_CAP_TO_GID_TYPE[] = {
- {rdma_protocol_roce, IB_GID_TYPE_ROCE},
+ {rdma_protocol_roce_eth_encap, IB_GID_TYPE_ROCE},
+ {rdma_protocol_roce_udp_encap, IB_GID_TYPE_ROCE_UDP_ENCAP},
};
#define CAP_TO_GID_TABLE_SIZE ARRAY_SIZE(PORT_CAP_TO_GID_TYPE)
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 00d2006ad816..ab05ef695d63 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -73,6 +73,7 @@ enum ib_gid_type {
/* If link layer is Ethernet, this is RoCE V1 */
IB_GID_TYPE_IB = 0,
IB_GID_TYPE_ROCE = 0,
+ IB_GID_TYPE_ROCE_UDP_ENCAP = 1,
IB_GID_TYPE_SIZE
};
@@ -403,6 +404,7 @@ union rdma_protocol_stats {
#define RDMA_CORE_CAP_PROT_IB 0x00100000
#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_PORT_IBA_IB (RDMA_CORE_CAP_PROT_IB \
| RDMA_CORE_CAP_IB_MAD \
@@ -415,6 +417,12 @@ union rdma_protocol_stats {
| RDMA_CORE_CAP_IB_CM \
| RDMA_CORE_CAP_AF_IB \
| RDMA_CORE_CAP_ETH_AH)
+#define RDMA_CORE_PORT_IBA_ROCE_UDP_ENCAP \
+ (RDMA_CORE_CAP_PROT_ROCE_UDP_ENCAP \
+ | RDMA_CORE_CAP_IB_MAD \
+ | RDMA_CORE_CAP_IB_CM \
+ | RDMA_CORE_CAP_AF_IB \
+ | RDMA_CORE_CAP_ETH_AH)
#define RDMA_CORE_PORT_IWARP (RDMA_CORE_CAP_PROT_IWARP \
| RDMA_CORE_CAP_IW_CM)
#define RDMA_CORE_PORT_INTEL_OPA (RDMA_CORE_PORT_IBA_IB \
@@ -2001,6 +2009,17 @@ static inline bool rdma_protocol_ib(const struct ib_device *device, u8 port_num)
static inline bool rdma_protocol_roce(const struct ib_device *device, u8 port_num)
{
+ return device->port_immutable[port_num].core_cap_flags &
+ (RDMA_CORE_CAP_PROT_ROCE | RDMA_CORE_CAP_PROT_ROCE_UDP_ENCAP);
+}
+
+static inline bool rdma_protocol_roce_udp_encap(const struct ib_device *device, u8 port_num)
+{
+ return device->port_immutable[port_num].core_cap_flags & RDMA_CORE_CAP_PROT_ROCE_UDP_ENCAP;
+}
+
+static inline bool rdma_protocol_roce_eth_encap(const struct ib_device *device, u8 port_num)
+{
return device->port_immutable[port_num].core_cap_flags & RDMA_CORE_CAP_PROT_ROCE;
}
@@ -2011,8 +2030,8 @@ static inline bool rdma_protocol_iwarp(const struct ib_device *device, u8 port_n
static inline bool rdma_ib_or_roce(const struct ib_device *device, u8 port_num)
{
- return device->port_immutable[port_num].core_cap_flags &
- (RDMA_CORE_CAP_PROT_IB | RDMA_CORE_CAP_PROT_ROCE);
+ return rdma_protocol_ib(device, port_num) ||
+ rdma_protocol_roce(device, port_num);
}
/**