[PATCH rdma-next V2 23/27] RDMA/netlink: Advertise IB subnet prefix
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DORMANTno replies
From: Leon Romanovsky <hidden>
Date: 2017-07-03 06:28:26
Also in:
linux-rdma
Subsystem:
infiniband subsystem, the rest · Maintainers:
Jason Gunthorpe, Leon Romanovsky, Linus Torvalds
From: Leon Romanovsky <redacted>
Add IB subnet prefix to the port properties exported
by RDMA netlink.
Signed-off-by: Leon Romanovsky <redacted>
---
drivers/infiniband/core/nldev.c | 5 +++++
include/uapi/rdma/rdma_netlink.h | 5 +++++
2 files changed, 10 insertions(+)
diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c
index fde0138fff5f..c4884841e2fe 100644
--- a/drivers/infiniband/core/nldev.c
+++ b/drivers/infiniband/core/nldev.c@@ -44,6 +44,7 @@ static const struct nla_policy nldev_policy[RDMA_NLDEV_ATTR_MAX] = { .len = IB_FW_VERSION_NAME_MAX - 1}, [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 }, }; static int fill_dev_info(struct sk_buff *msg, struct ib_device *device)
@@ -97,6 +98,10 @@ static int fill_port_info(struct sk_buff *msg, if (nla_put_u64_64bit(msg, RDMA_NLDEV_ATTR_CAP_FLAGS, (u64)attr.port_cap_flags, 0)) return -EMSGSIZE; + if (rdma_protocol_ib(device, port) && + nla_put_u64_64bit(msg, RDMA_NLDEV_ATTR_SUBNET_PREFIX, + attr.subnet_prefix, 0)) + return -EMSGSIZE; return 0; }
diff --git a/include/uapi/rdma/rdma_netlink.h b/include/uapi/rdma/rdma_netlink.h
index b34f7745daf0..24712d810dca 100644
--- a/include/uapi/rdma/rdma_netlink.h
+++ b/include/uapi/rdma/rdma_netlink.h@@ -279,6 +279,11 @@ enum rdma_nldev_attr { */ RDMA_NLDEV_ATTR_SYS_IMAGE_GUID, /* u64 */ + /* + * Subnet prefix (in host byte order) + */ + RDMA_NLDEV_ATTR_SUBNET_PREFIX, /* u64 */ + RDMA_NLDEV_ATTR_MAX }; #endif /* _UAPI_RDMA_NETLINK_H */
--
2.13.2
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