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Diffstat (limited to 'include/rdma/ib_verbs.h')
-rw-r--r--include/rdma/ib_verbs.h19
1 files changed, 17 insertions, 2 deletions
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index be4465b5df7b..2d3515edc3fa 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -1481,6 +1481,11 @@ struct ib_dma_mapping_ops {
struct iw_cm_verbs;
+struct ib_port_immutable {
+ int pkey_tbl_len;
+ int gid_tbl_len;
+};
+
struct ib_device {
struct device *dma_device;
@@ -1494,8 +1499,10 @@ struct ib_device {
struct list_head client_data_list;
struct ib_cache cache;
- int *pkey_tbl_len;
- int *gid_tbl_len;
+ /**
+ * port_immutable is indexed by port number
+ */
+ struct ib_port_immutable *port_immutable;
int num_comp_vectors;
@@ -1684,6 +1691,14 @@ struct ib_device {
u32 local_dma_lkey;
u8 node_type;
u8 phys_port_cnt;
+
+ /**
+ * The following mandatory functions are used only at device
+ * registration. Keep functions such as these at the end of this
+ * structure to avoid cache line misses when accessing struct ib_device
+ * in fast paths.
+ */
+ int (*get_port_immutable)(struct ib_device *, u8, struct ib_port_immutable *);
};
struct ib_client {