From owner-svn-src-all@FreeBSD.ORG Fri Dec 19 01:12:24 2014 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 8D2E9A8D; Fri, 19 Dec 2014 01:12:24 +0000 (UTC) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:1900:2254:2068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 6EE4E2BF5; Fri, 19 Dec 2014 01:12:24 +0000 (UTC) Received: from svn.freebsd.org ([127.0.1.70]) by svn.freebsd.org (8.14.9/8.14.9) with ESMTP id sBJ1COwg004320; Fri, 19 Dec 2014 01:12:24 GMT (envelope-from mav@FreeBSD.org) Received: (from mav@localhost) by svn.freebsd.org (8.14.9/8.14.9/Submit) id sBJ1CN45004317; Fri, 19 Dec 2014 01:12:23 GMT (envelope-from mav@FreeBSD.org) Message-Id: <201412190112.sBJ1CN45004317@svn.freebsd.org> X-Authentication-Warning: svn.freebsd.org: mav set sender to mav@FreeBSD.org using -f From: Alexander Motin Date: Fri, 19 Dec 2014 01:12:23 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r275925 - in head: sys/dev/iscsi usr.sbin/ctld usr.sbin/iscsid X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 19 Dec 2014 01:12:24 -0000 Author: mav Date: Fri Dec 19 01:12:22 2014 New Revision: 275925 URL: https://svnweb.freebsd.org/changeset/base/275925 Log: Slightly polish iSCSI parameters negotiation. MFC after: 1 week Modified: head/sys/dev/iscsi/iscsi.c head/usr.sbin/ctld/login.c head/usr.sbin/iscsid/login.c Modified: head/sys/dev/iscsi/iscsi.c ============================================================================== --- head/sys/dev/iscsi/iscsi.c Fri Dec 19 00:34:10 2014 (r275924) +++ head/sys/dev/iscsi/iscsi.c Fri Dec 19 01:12:22 2014 (r275925) @@ -2157,6 +2157,10 @@ iscsi_action_scsiio(struct iscsi_session ISCSI_SESSION_DEBUG(is, "len %zd -> %zd", len, is->is_first_burst_length); len = is->is_first_burst_length; } + if (len > is->is_max_data_segment_length) { + ISCSI_SESSION_DEBUG(is, "len %zd -> %zd", len, is->is_max_data_segment_length); + len = is->is_max_data_segment_length; + } error = icl_pdu_append_data(request, csio->data_ptr, len, M_NOWAIT); if (error != 0) { Modified: head/usr.sbin/ctld/login.c ============================================================================== --- head/usr.sbin/ctld/login.c Fri Dec 19 00:34:10 2014 (r275924) +++ head/usr.sbin/ctld/login.c Fri Dec 19 01:12:22 2014 (r275925) @@ -558,7 +558,7 @@ login_negotiate_key(struct pdu *request, tmp = MAX_DATA_SEGMENT_LENGTH; } conn->conn_max_data_segment_length = tmp; - keys_add_int(response_keys, name, tmp); + keys_add_int(response_keys, name, MAX_DATA_SEGMENT_LENGTH); } else if (strcmp(name, "MaxBurstLength") == 0) { tmp = strtoul(value, NULL, 10); if (tmp <= 0) { Modified: head/usr.sbin/iscsid/login.c ============================================================================== --- head/usr.sbin/iscsid/login.c Fri Dec 19 00:34:10 2014 (r275924) +++ head/usr.sbin/iscsid/login.c Fri Dec 19 01:12:22 2014 (r275925) @@ -388,6 +388,11 @@ login_negotiate_key(struct connection *c if (tmp <= 0) log_errx(1, "received invalid " "MaxRecvDataSegmentLength"); + if (tmp > ISCSI_MAX_DATA_SEGMENT_LENGTH) { + log_debugx("capping MaxRecvDataSegmentLength " + "from %d to %d", tmp, ISCSI_MAX_DATA_SEGMENT_LENGTH); + tmp = ISCSI_MAX_DATA_SEGMENT_LENGTH; + } conn->conn_max_data_segment_length = tmp; } else if (strcmp(name, "MaxBurstLength") == 0) { if (conn->conn_immediate_data) { @@ -451,10 +456,11 @@ login_negotiate(struct connection *conn) keys_add(request_keys, "ImmediateData", "Yes"); keys_add_int(request_keys, "MaxBurstLength", - ISCSI_MAX_DATA_SEGMENT_LENGTH); + 2 * ISCSI_MAX_DATA_SEGMENT_LENGTH); keys_add_int(request_keys, "FirstBurstLength", ISCSI_MAX_DATA_SEGMENT_LENGTH); keys_add(request_keys, "InitialR2T", "Yes"); + keys_add(request_keys, "MaxOutstandingR2T", "1"); } else { keys_add(request_keys, "HeaderDigest", "None"); keys_add(request_keys, "DataDigest", "None"); @@ -465,7 +471,6 @@ login_negotiate(struct connection *conn) keys_add(request_keys, "DefaultTime2Wait", "0"); keys_add(request_keys, "DefaultTime2Retain", "0"); keys_add(request_keys, "ErrorRecoveryLevel", "0"); - keys_add(request_keys, "MaxOutstandingR2T", "1"); keys_save(request_keys, request); keys_delete(request_keys); request_keys = NULL;