From: Leon Romanovsky <leonro@mellanox.com>
Date: Wed, 28 Jun 2017 15:49:30 +0300
Subject: RDMA/netlink: Export LID mask control (LMC)
Patch-mainline: v4.14-rc1
Git-commit: 34840fea112d36507c19dc6052b8c6d88bdd9c16
References: bsc#1046306 FATE#322942

Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/infiniband/core/nldev.c  |    3 +++
 include/uapi/rdma/rdma_netlink.h |    5 +++++
 2 files changed, 8 insertions(+)

--- a/drivers/infiniband/core/nldev.c
+++ b/drivers/infiniband/core/nldev.c
@@ -47,6 +47,7 @@ static const struct nla_policy nldev_pol
 	[RDMA_NLDEV_ATTR_SUBNET_PREFIX]	= { .type = NLA_U64 },
 	[RDMA_NLDEV_ATTR_LID]		= { .type = NLA_U32 },
 	[RDMA_NLDEV_ATTR_SM_LID]	= { .type = NLA_U32 },
+	[RDMA_NLDEV_ATTR_LMC]		= { .type = NLA_U8 },
 };
 
 static int fill_dev_info(struct sk_buff *msg, struct ib_device *device)
@@ -109,6 +110,8 @@ static int fill_port_info(struct sk_buff
 			return -EMSGSIZE;
 		if (nla_put_u32(msg, RDMA_NLDEV_ATTR_SM_LID, attr.sm_lid))
 			return -EMSGSIZE;
+		if (nla_put_u8(msg, RDMA_NLDEV_ATTR_LMC, attr.lmc))
+			return -EMSGSIZE;
 	}
 	return 0;
 }
--- a/include/uapi/rdma/rdma_netlink.h
+++ b/include/uapi/rdma/rdma_netlink.h
@@ -292,6 +292,11 @@ enum rdma_nldev_attr {
 	RDMA_NLDEV_ATTR_LID,			/* u32 */
 	RDMA_NLDEV_ATTR_SM_LID,			/* u32 */
 
+	/*
+	 * LID mask control (LMC)
+	 */
+	RDMA_NLDEV_ATTR_LMC,			/* u8 */
+
 	RDMA_NLDEV_ATTR_MAX
 };
 #endif /* _UAPI_RDMA_NETLINK_H */