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RDMA/netlink: Advertise IB subnet prefix

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Add IB subnet prefix to the port properties exported
by RDMA netlink.

Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
This commit is contained in:
Leon Romanovsky 2017-06-28 15:05:14 +03:00 committed by Leon Romanovsky
parent 1aaff896ca
commit 12026fbba6
2 changed files with 10 additions and 0 deletions
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5
drivers/infiniband/core/nldev.c
View file

@ -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;
}

5
include/uapi/rdma/rdma_netlink.h
View file

@ -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 */