diff options
| author | Leon Romanovsky <leonro@mellanox.com> | 2017-06-28 15:38:36 +0300 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2017-08-10 13:28:12 +0300 |
| commit | 80a06dd36f79de7007f21f5cbe42181a4e5c7d6d (patch) | |
| tree | d92472870c6cb997e449707b8adf52404fc6def6 | |
| parent | 12026fbba6af2fc53c3c6cf88bdfc6561986ba82 (diff) | |
RDMA/netink: Export lids and sm_lids
According to the IB specification, the LID and SM_LID
are 16-bit wide, but to support OmniPath users, export
it as 32-bit value from the beginning.
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
| -rw-r--r-- | drivers/infiniband/core/nldev.c | 9 | ||||
| -rw-r--r-- | include/uapi/rdma/rdma_netlink.h | 8 |
2 files changed, 16 insertions, 1 deletions
diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c index 7af71d5e52c8..16f1d28bea69 100644 --- a/drivers/infiniband/core/nldev.c +++ b/drivers/infiniband/core/nldev.c @@ -45,6 +45,8 @@ static const struct nla_policy nldev_policy[RDMA_NLDEV_ATTR_MAX] = { [RDMA_NLDEV_ATTR_NODE_GUID] = { .type = NLA_U64 }, [RDMA_NLDEV_ATTR_SYS_IMAGE_GUID] = { .type = NLA_U64 }, [RDMA_NLDEV_ATTR_SUBNET_PREFIX] = { .type = NLA_U64 }, + [RDMA_NLDEV_ATTR_LID] = { .type = NLA_U32 }, + [RDMA_NLDEV_ATTR_SM_LID] = { .type = NLA_U32 }, }; static int fill_dev_info(struct sk_buff *msg, struct ib_device *device) @@ -102,7 +104,12 @@ static int fill_port_info(struct sk_buff *msg, nla_put_u64_64bit(msg, RDMA_NLDEV_ATTR_SUBNET_PREFIX, attr.subnet_prefix, 0)) return -EMSGSIZE; - + if (rdma_protocol_ib(device, port)) { + if (nla_put_u32(msg, RDMA_NLDEV_ATTR_LID, attr.lid)) + return -EMSGSIZE; + if (nla_put_u32(msg, RDMA_NLDEV_ATTR_SM_LID, attr.sm_lid)) + return -EMSGSIZE; + } return 0; } diff --git a/include/uapi/rdma/rdma_netlink.h b/include/uapi/rdma/rdma_netlink.h index 481003182a35..7d5caaf54126 100644 --- a/include/uapi/rdma/rdma_netlink.h +++ b/include/uapi/rdma/rdma_netlink.h @@ -284,6 +284,14 @@ enum rdma_nldev_attr { */ RDMA_NLDEV_ATTR_SUBNET_PREFIX, /* u64 */ + /* + * Local Identifier (LID), + * According to IB specification, It is 16-bit address assigned + * by the Subnet Manager. Extended to be 32-bit for OmniPath users. + */ + RDMA_NLDEV_ATTR_LID, /* u32 */ + RDMA_NLDEV_ATTR_SM_LID, /* u32 */ + RDMA_NLDEV_ATTR_MAX }; #endif /* _UAPI_RDMA_NETLINK_H */ |