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authorArtemy Kovalyov <artemyko@mellanox.com>2018-07-04 15:57:50 +0300
committerJason Gunthorpe <jgg@mellanox.com>2018-07-10 11:13:04 -0600
commitb02289b3d60f79ba0831051a7743d8fdb4110355 (patch)
treeab40813ac166eb65344774f68d18d8bf313a076d /include/rdma
parentRDMA/hfi1: Move grh_required into update_sm_ah (diff)
downloadlinux-dev-b02289b3d60f79ba0831051a7743d8fdb4110355.tar.xz
linux-dev-b02289b3d60f79ba0831051a7743d8fdb4110355.zip
RDMA: Validate grh_required when handling AVs
Extend the existing grh_required flag to check when AV's are handled that a GRH is present. Since we don't want to do query_port during the AV checks for performance reasons move the flag into the immutable_data. Signed-off-by: Artemy Kovalyov <artemyko@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'include/rdma')
-rw-r--r--include/rdma/ib_verbs.h13
1 files changed, 12 insertions, 1 deletions
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 98e025759791..b523298d486b 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -529,6 +529,7 @@ static inline struct rdma_hw_stats *rdma_alloc_hw_stats_struct(
#define RDMA_CORE_CAP_AF_IB 0x00001000
#define RDMA_CORE_CAP_ETH_AH 0x00002000
#define RDMA_CORE_CAP_OPA_AH 0x00004000
+#define RDMA_CORE_CAP_IB_GRH_REQUIRED 0x00008000
/* Protocol 0xFFF00000 */
#define RDMA_CORE_CAP_PROT_IB 0x00100000
@@ -538,6 +539,10 @@ static inline struct rdma_hw_stats *rdma_alloc_hw_stats_struct(
#define RDMA_CORE_CAP_PROT_RAW_PACKET 0x01000000
#define RDMA_CORE_CAP_PROT_USNIC 0x02000000
+#define RDMA_CORE_PORT_IB_GRH_REQUIRED (RDMA_CORE_CAP_IB_GRH_REQUIRED \
+ | RDMA_CORE_CAP_PROT_ROCE \
+ | RDMA_CORE_CAP_PROT_ROCE_UDP_ENCAP)
+
#define RDMA_CORE_PORT_IBA_IB (RDMA_CORE_CAP_PROT_IB \
| RDMA_CORE_CAP_IB_MAD \
| RDMA_CORE_CAP_IB_SMI \
@@ -570,7 +575,6 @@ struct ib_port_attr {
enum ib_mtu max_mtu;
enum ib_mtu active_mtu;
int gid_tbl_len;
- unsigned int grh_required:1;
unsigned int ip_gids:1;
/* This is the value from PortInfo CapabilityMask, defined by IBA */
u32 port_cap_flags;
@@ -2771,6 +2775,13 @@ static inline int rdma_is_port_valid(const struct ib_device *device,
port <= rdma_end_port(device));
}
+static inline bool rdma_is_grh_required(const struct ib_device *device,
+ u8 port_num)
+{
+ return device->port_immutable[port_num].core_cap_flags &
+ RDMA_CORE_PORT_IB_GRH_REQUIRED;
+}
+
static inline bool rdma_protocol_ib(const struct ib_device *device, u8 port_num)
{
return device->port_immutable[port_num].core_cap_flags & RDMA_CORE_CAP_PROT_IB;