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authorDasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com>2017-06-08 20:37:48 +0300
committerDoug Ledford <dledford@redhat.com>2017-08-08 21:50:25 +0300
commitdb58540b021a17e0ede64f761b740556d77f1679 (patch)
treecf797a30edb909a967234c61544087db92dd02bd
parent582faf3150f57b8364ac9d2aa731d7368ada7a4b (diff)
downloadlinux-db58540b021a17e0ede64f761b740556d77f1679.tar.xz
IB/core: Change port_attr.sm_lid from 16 to 32 bits
sm_lid field in struct ib_port_attr is increased to 32 bits. This enables core components to use larger LIDs if needed. The user ABI is unchanged and return 16 bit values when queried. Signed-off-by: Dasaratharaman Chandramouli <dasaratharaman.chandramouli@intel.com> Reviewed-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Don Hiatt <don.hiatt@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
-rw-r--r--drivers/infiniband/core/uverbs_cmd.c8
-rw-r--r--include/rdma/ib_verbs.h2
2 files changed, 6 insertions, 4 deletions
diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index eef2623406cc..01e2ff023980 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -275,11 +275,13 @@ ssize_t ib_uverbs_query_port(struct ib_uverbs_file *file,
resp.bad_pkey_cntr = attr.bad_pkey_cntr;
resp.qkey_viol_cntr = attr.qkey_viol_cntr;
resp.pkey_tbl_len = attr.pkey_tbl_len;
- resp.sm_lid = attr.sm_lid;
- if (rdma_cap_opa_ah(ib_dev, cmd.port_num))
+ if (rdma_cap_opa_ah(ib_dev, cmd.port_num)) {
resp.lid = OPA_TO_IB_UCAST_LID(attr.lid);
- else
+ resp.sm_lid = OPA_TO_IB_UCAST_LID(attr.sm_lid);
+ } else {
resp.lid = (u16)attr.lid;
+ resp.sm_lid = (u16)attr.sm_lid;
+ }
resp.lmc = attr.lmc;
resp.max_vl_num = attr.max_vl_num;
resp.sm_sl = attr.sm_sl;
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 4fa94e69b1fc..620535908118 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -549,7 +549,7 @@ struct ib_port_attr {
u32 bad_pkey_cntr;
u32 qkey_viol_cntr;
u16 pkey_tbl_len;
- u16 sm_lid;
+ u32 sm_lid;
u32 lid;
u8 lmc;
u8 max_vl_num;