kpriv/linux-hardened
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

IB/core: Change port_attr.sm_lid from 16 to 32 bits

Browse source 
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>
This commit is contained in:
Dasaratharaman Chandramouli 2017-06-08 13:37:48 -04:00 committed by Doug Ledford
parent 582faf3150
commit db58540b02
2 changed files with 6 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
drivers/infiniband/core/uverbs_cmd.c
View file

@ -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;

2
include/rdma/ib_verbs.h
View file

@ -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;