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authorMatan Barak <matanb@mellanox.com>2015-12-23 14:56:50 +0200
committerDoug Ledford <dledford@redhat.com>2015-12-23 10:35:11 -0500
commit7766a99fdcd30c78fc8299db9102e3624232007c (patch)
treecbc8c53f40d42d858c7b3cf6022e3b6c18303bf9 /include/rdma
parent470be516a226e851d62a8d3d31dc162500b84487 (diff)
downloadlinux-7766a99fdcd30c78fc8299db9102e3624232007c.tar.bz2
IB/core: Add ROCE_UDP_ENCAP (RoCE V2) type
Adding RoCE v2 GID type and port type. Vendors which support this type will get their GID table populated with RoCE v2 GIDs automatically. Signed-off-by: Matan Barak <matanb@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'include/rdma')
-rw-r--r--include/rdma/ib_verbs.h23
1 files changed, 21 insertions, 2 deletions
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);
}
/**