[PATCH 15/18] nvmet: Set 'TREQ' to 'required' when TLS is enabled
From: Hannes Reinecke <hare@suse.de>
Date: 2023-08-24 14:39:53
Also in:
linux-nvme
Subsystem:
nvm express target driver, the rest · Maintainers:
Christoph Hellwig, Sagi Grimberg, Chaitanya Kulkarni, Linus Torvalds
The current implementation does not support secure concatenation, so 'TREQ' is always set to 'required' when TLS is enabled. Signed-off-by: Hannes Reinecke <hare@suse.de> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> --- drivers/nvme/target/configfs.c | 15 +++++++++++++-- drivers/nvme/target/nvmet.h | 5 +++++ 2 files changed, 18 insertions(+), 2 deletions(-)
diff --git a/drivers/nvme/target/configfs.c b/drivers/nvme/target/configfs.c
index 27a0f9c768e8..483569c3f622 100644
--- a/drivers/nvme/target/configfs.c
+++ b/drivers/nvme/target/configfs.c@@ -166,8 +166,7 @@ static inline u8 nvmet_port_disc_addr_treq_mask(struct nvmet_port *port) static ssize_t nvmet_addr_treq_show(struct config_item *item, char *page) { - u8 treq = to_nvmet_port(item)->disc_addr.treq & - NVME_TREQ_SECURE_CHANNEL_MASK; + u8 treq = nvmet_port_disc_addr_treq_secure_channel(to_nvmet_port(item)); int i; for (i = 0; i < ARRAY_SIZE(nvmet_addr_treq); i++) {
@@ -376,6 +375,7 @@ static ssize_t nvmet_addr_tsas_store(struct config_item *item, const char *page, size_t count) { struct nvmet_port *port = to_nvmet_port(item); + u8 treq = nvmet_port_disc_addr_treq_mask(port); u8 sectype; int i;
@@ -397,6 +397,17 @@ static ssize_t nvmet_addr_tsas_store(struct config_item *item, found: nvmet_port_init_tsas_tcp(port, sectype); + /* + * The TLS implementation currently does not support + * secure concatenation, so TREQ is always set to 'required' + * if TLS is enabled. + */ + if (sectype == NVMF_TCP_SECTYPE_TLS13) { + treq |= NVMF_TREQ_REQUIRED; + } else { + treq |= NVMF_TREQ_NOT_SPECIFIED; + } + port->disc_addr.treq = treq; return count; }
diff --git a/drivers/nvme/target/nvmet.h b/drivers/nvme/target/nvmet.h
index 8cfd60f3b564..87da62e4b743 100644
--- a/drivers/nvme/target/nvmet.h
+++ b/drivers/nvme/target/nvmet.h@@ -178,6 +178,11 @@ static inline struct nvmet_port *ana_groups_to_port( ana_groups_group); } +static inline u8 nvmet_port_disc_addr_treq_secure_channel(struct nvmet_port *port) +{ + return (port->disc_addr.treq & NVME_TREQ_SECURE_CHANNEL_MASK); +} + struct nvmet_ctrl { struct nvmet_subsys *subsys; struct nvmet_sq **sqs;
--
2.35.3