RDMA/core: Add a netlink command to change net namespace of rdma device

Provide an option to change the net namespace of a rdma device through a netlink command. When multiple rdma devices exists in a system, and when containers are used, this will limit rdma device visibility to a specified net namespace. An example command to change net namespace of mlx5_1 device to the previously created net namespace 'foo' is: $ ip netns add foo $ rdma dev set mlx5_1 netns foo

Parav Pandit committed 7 years ago

Commit 2e5b8a01 parent decbc7a4 files · +70 −7Browse files

Showing the changes to include/uapi (1 of 4 files). Show all

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include/uapi/rdma/rdma_netlink.h+5−1

@@ -469,12 +469,16 @@ enum rdma_nldev_attr { · 468 unmodified lines
469	469	* either shared or exclusive among multiple net namespaces.
470	470	*/
471	471	RDMA_NLDEV_SYS_ATTR_NETNS_MODE, /* u8 */
472		−
473	472	/*
474	473	* Device protocol, e.g. ib, iw, usnic, roce and opa
475	474	*/
476	475	RDMA_NLDEV_ATTR_DEV_PROTOCOL, /* string */
477	476
	477	+ /*
	478	+ * File descriptor handle of the net namespace object
	479	+ */
	480	+ RDMA_NLDEV_NET_NS_FD, /* u32 */
	481	+
478	482	/*
479	483	* Always the end
480	484	*/