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This patch sends a DIM PDU to DCs to deregister the host on disconnect. Signed-off-by: Martin Belanger --- drivers/nvme/host/tcp.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/nvme/host/tcp.c b/drivers/nvme/host/tcp.c index 970b7df574a4..804d927b4b81 100644 --- a/drivers/nvme/host/tcp.c +++ b/drivers/nvme/host/tcp.c @@ -2176,6 +2176,16 @@ static void nvme_tcp_teardown_ctrl(struct nvme_ctrl *ctrl, bool shutdown) static void nvme_tcp_delete_ctrl(struct nvme_ctrl *ctrl) { + if (ctrl->opts->explicit_registration && ++ ((ctrl->dctype == NVME_DCTYPE_DDC) || + (ctrl->dctype == NVME_DCTYPE_CDC))) { + /* Deregister from discovery controller */ + union nvmf_tsas tsas = {.tcp.sectype = NVMF_TCP_SECTYPE_NONE}; + + nvmf_disc_info_mgmt(ctrl, NVME_TAS_DEREGISTER, NVMF_TRTYPE_TCP, + nvme_get_adrfam(ctrl), "", &tsas); + } + nvme_tcp_teardown_ctrl(ctrl, true); } -- 2.34.1