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authorJack Morgenstein <jackm@mellanox.co.il>2006-06-18 07:37:34 +0400
committerRoland Dreier <rolandd@cisco.com>2006-06-18 07:37:34 +0400
commit6fb9cdbf2cdb2ea187e57ec2e16cc59df2adf86a (patch)
tree329eb272835bd3105696ddbc60cdaea971aa2a6e /include/rdma
parent856c256f883f027a14b546164294b4a86fea81a4 (diff)
downloadlinux-6fb9cdbf2cdb2ea187e57ec2e16cc59df2adf86a.tar.xz
IB: Add caching of ports' LMC
Add an LMC cache to struct ib_device, and add a function ib_get_cached_lmc() to query the cache. Signed-off-by: Jack Morgenstein <jackm@mellanox.co.il> Signed-off-by: Sean Hefty <sean.hefty@intel.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'include/rdma')
-rw-r--r--include/rdma/ib_cache.h13
-rw-r--r--include/rdma/ib_verbs.h1
2 files changed, 14 insertions, 0 deletions
diff --git a/include/rdma/ib_cache.h b/include/rdma/ib_cache.h
index 5bf9834f7dca..f179d233ffc3 100644
--- a/include/rdma/ib_cache.h
+++ b/include/rdma/ib_cache.h
@@ -102,4 +102,17 @@ int ib_find_cached_pkey(struct ib_device *device,
u16 pkey,
u16 *index);
+/**
+ * ib_get_cached_lmc - Returns a cached lmc table entry
+ * @device: The device to query.
+ * @port_num: The port number of the device to query.
+ * @lmc: The lmc value for the specified port for that device.
+ *
+ * ib_get_cached_lmc() fetches the specified lmc table entry stored in
+ * the local software cache.
+ */
+int ib_get_cached_lmc(struct ib_device *device,
+ u8 port_num,
+ u8 *lmc);
+
#endif /* _IB_CACHE_H */
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 6bbf1b364400..aeb4fcd86a9e 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -827,6 +827,7 @@ struct ib_cache {
struct ib_event_handler event_handler;
struct ib_pkey_cache **pkey_cache;
struct ib_gid_cache **gid_cache;
+ u8 *lmc_cache;
};
struct ib_device {