From: Hannes Reinecke <hare@suse.de>
To: Sagi Grimberg <sagi@grimberg.me>, Christoph Hellwig <hch@lst.de>
Cc: Keith Busch <kbusch@kernel.org>,
linux-nvme@lists.infradead.org,
Chuck Lever <chuck.lever@oracle.com>,
kernel-tls-handshake@lists.linux.dev
Subject: Re: [PATCH 01/18] nvme-keyring: register '.nvme' keyring and add CONFIG_NVME_TLS
Date: Wed, 29 Mar 2023 17:24:24 +0200 [thread overview]
Message-ID: <8fab4f74-cd27-3838-a4f9-6e5b3705d527@suse.de> (raw)
In-Reply-To: <56ab2e76-1d5e-0002-cf23-6c7e9b82d233@grimberg.me>
On 3/29/23 16:49, Sagi Grimberg wrote:
>
>> Register a '.nvme' keyring to hold keys for TLS and DH-HMAC-CHAP and
>> add a new config option NVME_TLS to enable support for NVMe-TCP/TLS.
>> We need a separate keyring for NVMe as the configuration is done
>> via individual commands (eg for configfs), and the usual per-session
>> or per-process keyrings can't be used.
>>
>> Signed-off-by: Hannes Reinecke <hare@suse.de>
>> ---
>> drivers/nvme/common/Kconfig | 9 +++++++++
>> drivers/nvme/common/Makefile | 1 +
>> drivers/nvme/common/keyring.c | 36 +++++++++++++++++++++++++++++++++++
>> drivers/nvme/host/core.c | 19 +++++++++++++++---
>> include/linux/nvme-keyring.h | 12 ++++++++++++
>> 5 files changed, 74 insertions(+), 3 deletions(-)
>> create mode 100644 drivers/nvme/common/keyring.c
>> create mode 100644 include/linux/nvme-keyring.h
>>
>> diff --git a/drivers/nvme/common/Kconfig b/drivers/nvme/common/Kconfig
>> index 4514f44362dd..b6fff16da1fb 100644
>> --- a/drivers/nvme/common/Kconfig
>> +++ b/drivers/nvme/common/Kconfig
>> @@ -2,3 +2,12 @@
>> config NVME_COMMON
>> tristate
>> +
>> +config NVME_TLS
>> + bool "NVMe/TCP TLS encryption support"
>> + depends on NVME_COMMON
>
> depends on TLS as well? Or maybe select would be more appropriate?
>
I would argue 'depends', as we cannot use the standard
session/process/thread keyrings, as they'll vanish after the initial
'connect', and then there's no keyring to lookup keys for subsection
reconnects.
>> + select KEYS
>> + help
>> + Enables TLS encryption for NVMe/TCP using the netlink handshake
>> API.
>> +
>> + If unsure, say N.
>
> Would it not make sense to default it to y?
Yeah.
Cheers,
Hannes
--
Dr. Hannes Reinecke Kernel Storage Architect
hare@suse.de +49 911 74053 688
SUSE Software Solutions GmbH, Maxfeldstr. 5, 90409 Nürnberg
HRB 36809 (AG Nürnberg), Geschäftsführer: Ivo Totev, Andrew
Myers, Andrew McDonald, Martje Boudien Moerman
next prev parent reply other threads:[~2023-03-29 15:24 UTC|newest]
Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-29 13:59 [PATCHv2 00/18] nvme: In-kernel TLS support for TCP Hannes Reinecke
2023-03-29 13:59 ` [PATCH 01/18] nvme-keyring: register '.nvme' keyring and add CONFIG_NVME_TLS Hannes Reinecke
2023-03-29 14:49 ` Sagi Grimberg
2023-03-29 15:24 ` Hannes Reinecke [this message]
2023-03-29 15:04 ` Sagi Grimberg
2023-03-29 15:26 ` Hannes Reinecke
2023-03-30 8:53 ` Daniel Wagner
2023-03-30 14:38 ` Sagi Grimberg
2023-03-29 13:59 ` [PATCH 02/18] nvme-keyring: define a 'psk' keytype Hannes Reinecke
2023-03-29 13:59 ` [PATCH 03/18] nvme: add TCP TSAS definitions Hannes Reinecke
2023-03-29 13:59 ` [PATCH 04/18] nvme-tcp: add definitions for TLS cipher suites Hannes Reinecke
2023-03-29 13:59 ` [PATCH 05/18] net/tls: implement ->read_sock() Hannes Reinecke
2023-03-29 15:37 ` Sagi Grimberg
2023-03-29 15:41 ` Hannes Reinecke
2023-03-29 15:43 ` Sagi Grimberg
2023-03-29 15:44 ` Sagi Grimberg
2023-03-29 13:59 ` [PATCH 06/18] nvme/tcp: allocate socket file Hannes Reinecke
2023-03-29 15:57 ` Sagi Grimberg
2023-03-29 13:59 ` [PATCH 07/18] nvme-keyring: implement nvme_tls_psk_default() Hannes Reinecke
2023-03-29 15:35 ` Sagi Grimberg
2023-03-29 13:59 ` [PATCH 08/18] security/keys: export key_lookup() Hannes Reinecke
2023-03-29 13:59 ` [PATCH 09/18] nvme-tcp: enable TLS handshake upcall Hannes Reinecke
2023-03-30 12:54 ` Daniel Wagner
2023-03-30 12:59 ` Hannes Reinecke
2023-03-30 15:03 ` Sagi Grimberg
2023-03-30 17:16 ` Hannes Reinecke
2023-03-29 13:59 ` [PATCH 10/18] nvme-tcp: fixup send workflow for kTLS Hannes Reinecke
2023-03-30 15:24 ` Sagi Grimberg
2023-03-30 17:26 ` Hannes Reinecke
2023-03-31 5:49 ` Jakub Kicinski
2023-03-31 6:03 ` Hannes Reinecke
2023-04-03 12:20 ` Sagi Grimberg
2023-04-03 14:59 ` Jakub Kicinski
2023-04-03 15:51 ` Sagi Grimberg
2023-04-03 18:48 ` Jakub Kicinski
2023-04-03 22:36 ` Sagi Grimberg
2023-03-29 13:59 ` [PATCH 11/18] nvme-tcp: control message handling for recvmsg() Hannes Reinecke
2023-03-30 15:25 ` Sagi Grimberg
2023-03-29 13:59 ` [PATCH 12/18] nvme-fabrics: parse options 'keyring' and 'tls_key' Hannes Reinecke
2023-03-30 15:33 ` Sagi Grimberg
2023-03-30 17:34 ` Hannes Reinecke
2023-04-03 12:24 ` Sagi Grimberg
2023-04-03 12:36 ` Hannes Reinecke
2023-04-03 13:07 ` Sagi Grimberg
2023-04-03 14:11 ` Hannes Reinecke
2023-04-03 16:13 ` Sagi Grimberg
2023-03-29 13:59 ` [PATCH 13/18] nvmet: make TCP sectype settable via configfs Hannes Reinecke
2023-03-30 16:07 ` Sagi Grimberg
2023-03-30 17:37 ` Hannes Reinecke
2023-04-03 12:31 ` Sagi Grimberg
2023-04-03 12:43 ` Hannes Reinecke
2023-03-29 13:59 ` [PATCH 14/18] nvmet-tcp: allocate socket file Hannes Reinecke
2023-03-30 16:08 ` Sagi Grimberg
2023-03-30 17:37 ` Hannes Reinecke
2023-03-29 13:59 ` [PATCH 15/18] nvmet-tcp: enable TLS handshake upcall Hannes Reinecke
2023-04-03 12:51 ` Sagi Grimberg
2023-04-03 14:05 ` Hannes Reinecke
2023-03-29 13:59 ` [PATCH 16/18] nvmet-tcp: rework sendpage for kTLS Hannes Reinecke
2023-04-03 12:52 ` Sagi Grimberg
2023-03-29 13:59 ` [PATCH 17/18] nvmet-tcp: control messages for recvmsg() Hannes Reinecke
2023-04-03 12:59 ` Sagi Grimberg
2023-03-29 13:59 ` [PATCH 18/18] nvmet-tcp: add configfs attribute 'param_keyring' Hannes Reinecke
2023-04-03 13:03 ` Sagi Grimberg
2023-04-03 14:13 ` Hannes Reinecke
2023-04-03 15:53 ` Sagi Grimberg
2023-04-14 10:30 ` Hannes Reinecke
2023-04-17 13:50 ` Sagi Grimberg
2023-04-17 14:01 ` Hannes Reinecke
2023-04-17 15:12 ` Sagi Grimberg
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