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Subject: [PATCH v2 00/11] client-side RPC-with-TLS
From:   Chuck Lever <cel@kernel.org>
To:     anna.schumaker@netapp.com, trondmy@hammerspace.com
Cc:     Jeff Layton <jlayton@kernel.org>,
        Chuck Lever <chuck.lever@oracle.com>, jlayton@redhat.com,
        linux-nfs@vger.kernel.org, kernel-tls-handshake@lists.linux.dev
Date:   Tue, 23 May 2023 10:29:36 -0400
Message-ID: <168485183242.6613.7025123558596119858.stgit@oracle-102.nfsv4bat.org>
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Let's have a look at what is needed to support NFS in-transit
confidentiality in the Linux NFS client. These apply to net-next
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 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