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-rw-r--r--drivers/nvme/target/auth.c1
-rw-r--r--drivers/nvme/target/fabrics-cmd-auth.c20
-rw-r--r--drivers/nvme/target/nvmet.h1
3 files changed, 21 insertions, 1 deletions
diff --git a/drivers/nvme/target/auth.c b/drivers/nvme/target/auth.c
index d5624bdf834b..bf92435c783c 100644
--- a/drivers/nvme/target/auth.c
+++ b/drivers/nvme/target/auth.c
@@ -218,6 +218,7 @@ out_unlock:
void nvmet_auth_sq_free(struct nvmet_sq *sq)
{
+ cancel_delayed_work(&sq->auth_expired_work);
kfree(sq->dhchap_c1);
sq->dhchap_c1 = NULL;
kfree(sq->dhchap_c2);
diff --git a/drivers/nvme/target/fabrics-cmd-auth.c b/drivers/nvme/target/fabrics-cmd-auth.c
index 5b1be7e607e2..cc56e8c821ce 100644
--- a/drivers/nvme/target/fabrics-cmd-auth.c
+++ b/drivers/nvme/target/fabrics-cmd-auth.c
@@ -12,11 +12,24 @@
#include <crypto/kpp.h>
#include "nvmet.h"
+static void nvmet_auth_expired_work(struct work_struct *work)
+{
+ struct nvmet_sq *sq = container_of(to_delayed_work(work),
+ struct nvmet_sq, auth_expired_work);
+
+ pr_debug("%s: ctrl %d qid %d transaction %u expired, resetting\n",
+ __func__, sq->ctrl->cntlid, sq->qid, sq->dhchap_tid);
+ sq->dhchap_step = NVME_AUTH_DHCHAP_MESSAGE_NEGOTIATE;
+ sq->dhchap_tid = -1;
+}
+
void nvmet_init_auth(struct nvmet_ctrl *ctrl, struct nvmet_req *req)
{
u32 result = le32_to_cpu(req->cqe->result.u32);
/* Initialize in-band authentication */
+ INIT_DELAYED_WORK(&req->sq->auth_expired_work,
+ nvmet_auth_expired_work);
req->sq->authenticated = false;
req->sq->dhchap_step = NVME_AUTH_DHCHAP_MESSAGE_NEGOTIATE;
result |= (u32)NVME_CONNECT_AUTHREQ_ATR << 16;
@@ -333,8 +346,13 @@ done:
req->cqe->result.u64 = 0;
nvmet_req_complete(req, status);
if (req->sq->dhchap_step != NVME_AUTH_DHCHAP_MESSAGE_SUCCESS2 &&
- req->sq->dhchap_step != NVME_AUTH_DHCHAP_MESSAGE_FAILURE2)
+ req->sq->dhchap_step != NVME_AUTH_DHCHAP_MESSAGE_FAILURE2) {
+ unsigned long auth_expire_secs = ctrl->kato ? ctrl->kato : 120;
+
+ mod_delayed_work(system_wq, &req->sq->auth_expired_work,
+ auth_expire_secs * HZ);
return;
+ }
/* Final states, clear up variables */
nvmet_auth_sq_free(req->sq);
if (req->sq->dhchap_step == NVME_AUTH_DHCHAP_MESSAGE_FAILURE2)
diff --git a/drivers/nvme/target/nvmet.h b/drivers/nvme/target/nvmet.h
index b76b2911234a..6ffeeb0a1c49 100644
--- a/drivers/nvme/target/nvmet.h
+++ b/drivers/nvme/target/nvmet.h
@@ -109,6 +109,7 @@ struct nvmet_sq {
u32 sqhd;
bool sqhd_disabled;
#ifdef CONFIG_NVME_TARGET_AUTH
+ struct delayed_work auth_expired_work;
bool authenticated;
u16 dhchap_tid;
u16 dhchap_status;