From owner-dev-commits-src-branches@freebsd.org Tue Feb 23 00:32:14 2021 Return-Path: Delivered-To: dev-commits-src-branches@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id 16C98554C31; Tue, 23 Feb 2021 00:32:14 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Dl0P970x8z3J6Y; Tue, 23 Feb 2021 00:32:13 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id DDBAF72FA; Tue, 23 Feb 2021 00:32:13 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.16.1/8.16.1) with ESMTP id 11N0WDsR062514; Tue, 23 Feb 2021 00:32:13 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.16.1/8.16.1/Submit) id 11N0WDdc062513; Tue, 23 Feb 2021 00:32:13 GMT (envelope-from git) Date: Tue, 23 Feb 2021 00:32:13 GMT Message-Id: <202102230032.11N0WDdc062513@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Alexander Motin Subject: git: 49f4b33f9e16 - stable/13 - Exclude reserved iSCSI Initiator Task Tag. MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: mav X-Git-Repository: src X-Git-Refname: refs/heads/stable/13 X-Git-Reftype: branch X-Git-Commit: 49f4b33f9e1667f51a2d55e39785ce50c2cda950 Auto-Submitted: auto-generated X-BeenThere: dev-commits-src-branches@freebsd.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Commits to the stable branches of the FreeBSD src repository List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 23 Feb 2021 00:32:14 -0000 The branch stable/13 has been updated by mav: URL: https://cgit.FreeBSD.org/src/commit/?id=49f4b33f9e1667f51a2d55e39785ce50c2cda950 commit 49f4b33f9e1667f51a2d55e39785ce50c2cda950 Author: Alexander Motin AuthorDate: 2021-01-24 19:23:04 +0000 Commit: Alexander Motin CommitDate: 2021-02-23 00:31:52 +0000 Exclude reserved iSCSI Initiator Task Tag. RFC 7143 (11.2.1.8): An ITT value of 0xffffffff is reserved and MUST NOT be assigned for a task by the initiator. The only instance in which it may be seen on the wire is in a target-initiated NOP-In PDU (Section 11.19) and in the initiator response to that PDU, if necessary. MFC after: 1 month --- sys/dev/iscsi/iscsi.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/sys/dev/iscsi/iscsi.c b/sys/dev/iscsi/iscsi.c index eaaf84de9594..5e6c80255bff 100644 --- a/sys/dev/iscsi/iscsi.c +++ b/sys/dev/iscsi/iscsi.c @@ -2194,6 +2194,8 @@ iscsi_action_abort(struct iscsi_session *is, union ccb *ccb) } initiator_task_tag = is->is_initiator_task_tag++; + if (initiator_task_tag == 0xffffffff) + initiator_task_tag = is->is_initiator_task_tag++; io = iscsi_outstanding_add(is, request, NULL, &initiator_task_tag); if (io == NULL) { @@ -2254,6 +2256,9 @@ iscsi_action_scsiio(struct iscsi_session *is, union ccb *ccb) } initiator_task_tag = is->is_initiator_task_tag++; + if (initiator_task_tag == 0xffffffff) + initiator_task_tag = is->is_initiator_task_tag++; + io = iscsi_outstanding_add(is, request, ccb, &initiator_task_tag); if (io == NULL) { icl_pdu_free(request);