From: Leon Romanovsky Date: Wed, 28 Jun 2017 12:05:14 +0000 (+0300) Subject: RDMA/netlink: Advertise IB subnet prefix X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=12026fbba6af2fc53c3c6cf88bdfc6561986ba82;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git RDMA/netlink: Advertise IB subnet prefix Add IB subnet prefix to the port properties exported by RDMA netlink. Signed-off-by: Leon Romanovsky --- diff --git a/drivers/infiniband/core/nldev.c b/drivers/infiniband/core/nldev.c index f932c2c3fad0..7af71d5e52c8 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 fe3a7429e7a1..481003182a35 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 */