Let's have a look at what is needed to support NFS in-transit confidentiality in the Linux NFS client. These apply to 6.4-rc4 but previously they've been tested at multiple NFS bake-a-thon events. This series is also available in the topic-rpc-with-tls-upcall branch at https://git.kernel.org/pub/scm/linux/kernel/git/cel/linux.git Changes since v2: - Rebased on v6.4-rc4 Changes since RFC: - Add an rpc_authops method to send TLS probes --- Chuck Lever (11): NFS: Improvements for fs_context-related tracepoints SUNRPC: Plumb an API for setting transport layer security SUNRPC: Trace the rpc_create_args SUNRPC: Add RPC client support for the RPC_AUTH_TLS auth flavor SUNRPC: Ignore data_ready callbacks during TLS handshakes SUNRPC: Capture CMSG metadata on client-side receive SUNRPC: Add a connect worker function for TLS SUNRPC: Add RPC-with-TLS support to xprtsock.c SUNRPC: Add RPC-with-TLS tracepoints NFS: Have struct nfs_client carry a TLS policy field NFS: Add an "xprtsec=" NFS mount option fs/nfs/client.c | 7 + fs/nfs/fs_context.c | 55 +++++ fs/nfs/internal.h | 2 + fs/nfs/nfs3client.c | 1 + fs/nfs/nfs4client.c | 18 +- fs/nfs/super.c | 12 ++ include/linux/nfs_fs_sb.h | 3 +- include/linux/sunrpc/auth.h | 2 + include/linux/sunrpc/clnt.h | 2 + include/linux/sunrpc/xprt.h | 17 ++ include/linux/sunrpc/xprtsock.h | 3 + include/trace/events/sunrpc.h | 96 ++++++++- net/sunrpc/Makefile | 2 +- net/sunrpc/auth.c | 2 +- net/sunrpc/auth_tls.c | 175 ++++++++++++++++ net/sunrpc/clnt.c | 9 +- net/sunrpc/xprtsock.c | 343 +++++++++++++++++++++++++++++++- 17 files changed, 727 insertions(+), 22 deletions(-) create mode 100644 net/sunrpc/auth_tls.c -- Chuck Lever
