diff options
Diffstat (limited to 'include/rdma')
| -rw-r--r-- | include/rdma/ib_verbs.h | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h index 4db4ad56ace6..70a183179224 100644 --- a/include/rdma/ib_verbs.h +++ b/include/rdma/ib_verbs.h @@ -3724,16 +3724,30 @@ static inline enum rdma_ah_attr_type rdma_ah_find_type(struct ib_device *dev, return RDMA_AH_ATTR_TYPE_IB; } -/* Return slid in 16bit CPU encoding */ -static inline u16 ib_slid_cpu16(u32 slid) +/** + * ib_lid_cpu16 - Return lid in 16bit CPU encoding. + * In the current implementation the only way to get + * get the 32bit lid is from other sources for OPA. + * For IB, lids will always be 16bits so cast the + * value accordingly. + * + * @lid: A 32bit LID + */ +static inline u16 ib_lid_cpu16(u32 lid) { - return (u16)slid; + WARN_ON_ONCE(lid & 0xFFFF0000); + return (u16)lid; } -/* Return slid in 16bit BE encoding */ -static inline u16 ib_slid_be16(u32 slid) +/** + * ib_lid_be16 - Return lid in 16bit BE encoding. + * + * @lid: A 32bit LID + */ +static inline __be16 ib_lid_be16(u32 lid) { - return cpu_to_be16((u16)slid); + WARN_ON_ONCE(lid & 0xFFFF0000); + return cpu_to_be16((u16)lid); } /** |