From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.220.28]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4E595846C for ; Mon, 17 Apr 2023 13:03:11 +0000 (UTC) Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out1.suse.de (Postfix) with ESMTP id 6837A21A87; Mon, 17 Apr 2023 13:03:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1681736584; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=R7ZqHcDZyVE9eXz3iC9L/7kP8HAqtk3cN9u0gFCafXY=; b=JVlcmg1QK2ReceqwdX7YFiHB/0M6JcvVcraM3Q33YVAFFH7eVJ210aAjEiXW0T/SpYwR9B IOqqRFEFIf/FkjRfwqwmvt8YlWXSdQ8IdhlgbPjaKRmKQ8YFkxfLYYAajU5dGQs+amK4aB jhJ7LFH42STmLUlO8mvLOaTShdOEZc8= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1681736584; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=R7ZqHcDZyVE9eXz3iC9L/7kP8HAqtk3cN9u0gFCafXY=; b=cHQk10q6Z09IHfyHr8nm8rMjZ0GA0FUbSM1LqQDLBTdKb3YYe10zgsXF4cs5FGYp3vO3LZ EOr1LqEezf0cNwDQ== Received: from adalid.arch.suse.de (adalid.arch.suse.de [10.161.8.13]) by relay2.suse.de (Postfix) with ESMTP id 57FDC2C161; Mon, 17 Apr 2023 13:03:04 +0000 (UTC) Received: by adalid.arch.suse.de (Postfix, from userid 16045) id 5449851C25B8; Mon, 17 Apr 2023 15:03:04 +0200 (CEST) From: Hannes Reinecke To: Sagi Grimberg Cc: Christoph Hellwig , Keith Busch , linux-nvme@lists.infradead.org, Chuck Lever , kernel-tls-handshake@lists.linux.dev, Hannes Reinecke Subject: [PATCH 15/18] nvmet-tcp: allocate socket file Date: Mon, 17 Apr 2023 15:02:59 +0200 Message-Id: <20230417130302.86274-16-hare@suse.de> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20230417130302.86274-1-hare@suse.de> References: <20230417130302.86274-1-hare@suse.de> Precedence: bulk X-Mailing-List: kernel-tls-handshake@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit For the TLS upcall we need to allocate a socket file such that the userspace daemon is able to use the socket. Signed-off-by: Hannes Reinecke --- drivers/nvme/target/tcp.c | 36 +++++++++++++++++++++++------------- 1 file changed, 23 insertions(+), 13 deletions(-) diff --git a/drivers/nvme/target/tcp.c b/drivers/nvme/target/tcp.c index ed98df72c76b..fc7a9fb56a83 100644 --- a/drivers/nvme/target/tcp.c +++ b/drivers/nvme/target/tcp.c @@ -122,6 +122,7 @@ struct nvmet_tcp_cmd { enum nvmet_tcp_queue_state { NVMET_TCP_Q_CONNECTING, + NVMET_TCP_Q_TLS_HANDSHAKE, NVMET_TCP_Q_LIVE, NVMET_TCP_Q_DISCONNECTING, }; @@ -1481,12 +1482,12 @@ static void nvmet_tcp_release_queue_work(struct work_struct *w) nvmet_sq_destroy(&queue->nvme_sq); cancel_work_sync(&queue->io_work); nvmet_tcp_free_cmd_data_in_buffers(queue); - sock_release(queue->sock); + /* ->sock will be released by fput() */ + fput(queue->sock->file); nvmet_tcp_free_cmds(queue); if (queue->hdr_digest || queue->data_digest) nvmet_tcp_free_crypto(queue); ida_free(&nvmet_tcp_queue_ida, queue->idx); - page = virt_to_head_page(queue->pf_cache.va); __page_frag_cache_drain(page, queue->pf_cache.pagecnt_bias); kfree(queue); @@ -1609,15 +1610,16 @@ static int nvmet_tcp_set_queue_sock(struct nvmet_tcp_queue *queue) return ret; } -static int nvmet_tcp_alloc_queue(struct nvmet_tcp_port *port, +static void nvmet_tcp_alloc_queue(struct nvmet_tcp_port *port, struct socket *newsock) { struct nvmet_tcp_queue *queue; + struct file *sock_file; int ret; queue = kzalloc(sizeof(*queue), GFP_KERNEL); if (!queue) - return -ENOMEM; + return; INIT_WORK(&queue->release_work, nvmet_tcp_release_queue_work); INIT_WORK(&queue->io_work, nvmet_tcp_io_work); @@ -1625,15 +1627,25 @@ static int nvmet_tcp_alloc_queue(struct nvmet_tcp_port *port, queue->port = port; queue->nr_cmds = 0; spin_lock_init(&queue->state_lock); - queue->state = NVMET_TCP_Q_CONNECTING; + if (queue->port->nport->disc_addr.tsas.tcp.sectype == + NVMF_TCP_SECTYPE_TLS13) + queue->state = NVMET_TCP_Q_TLS_HANDSHAKE; + else + queue->state = NVMET_TCP_Q_CONNECTING; INIT_LIST_HEAD(&queue->free_list); init_llist_head(&queue->resp_list); INIT_LIST_HEAD(&queue->resp_send_list); + sock_file = sock_alloc_file(queue->sock, O_CLOEXEC, NULL); + if (IS_ERR(sock_file)) { + ret = PTR_ERR(sock_file); + goto out_free_queue; + } + queue->idx = ida_alloc(&nvmet_tcp_queue_ida, GFP_KERNEL); if (queue->idx < 0) { ret = queue->idx; - goto out_free_queue; + goto out_sock; } ret = nvmet_tcp_alloc_cmd(queue, &queue->connect); @@ -1654,7 +1666,7 @@ static int nvmet_tcp_alloc_queue(struct nvmet_tcp_port *port, if (ret) goto out_destroy_sq; - return 0; + return; out_destroy_sq: mutex_lock(&nvmet_tcp_queue_mutex); list_del_init(&queue->queue_list); @@ -1664,9 +1676,11 @@ static int nvmet_tcp_alloc_queue(struct nvmet_tcp_port *port, nvmet_tcp_free_cmd(&queue->connect); out_ida_remove: ida_free(&nvmet_tcp_queue_ida, queue->idx); +out_sock: + fput(queue->sock->file); out_free_queue: kfree(queue); - return ret; + pr_err("failed to allocate queue"); } static void nvmet_tcp_accept_work(struct work_struct *w) @@ -1683,11 +1697,7 @@ static void nvmet_tcp_accept_work(struct work_struct *w) pr_warn("failed to accept err=%d\n", ret); return; } - ret = nvmet_tcp_alloc_queue(port, newsock); - if (ret) { - pr_err("failed to allocate queue\n"); - sock_release(newsock); - } + nvmet_tcp_alloc_queue(port, newsock); } } -- 2.35.3