Module Name: src Committed By: mlelstv Date: Sun Jun 5 04:36:05 UTC 2016
Modified Files: src/sys/dev/iscsi: iscsi_main.c iscsi_rcv.c iscsi_send.c iscsi_utils.c Log Message: More debugging output, changed debug levels for some. To generate a diff of this commit: cvs rdiff -u -r1.18 -r1.19 src/sys/dev/iscsi/iscsi_main.c cvs rdiff -u -r1.12 -r1.13 src/sys/dev/iscsi/iscsi_rcv.c cvs rdiff -u -r1.20 -r1.21 src/sys/dev/iscsi/iscsi_send.c cvs rdiff -u -r1.11 -r1.12 src/sys/dev/iscsi/iscsi_utils.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/dev/iscsi/iscsi_main.c diff -u src/sys/dev/iscsi/iscsi_main.c:1.18 src/sys/dev/iscsi/iscsi_main.c:1.19 --- src/sys/dev/iscsi/iscsi_main.c:1.18 Sun May 29 13:51:16 2016 +++ src/sys/dev/iscsi/iscsi_main.c Sun Jun 5 04:36:05 2016 @@ -455,7 +455,7 @@ iscsi_scsipi_request(struct scsipi_chann } send_run_xfer(session, xs); - DEB(9, ("scsipi_req returns\n")); + DEB(15, ("scsipi_req returns\n")); return; case ADAPTER_REQ_GROW_RESOURCES: Index: src/sys/dev/iscsi/iscsi_rcv.c diff -u src/sys/dev/iscsi/iscsi_rcv.c:1.12 src/sys/dev/iscsi/iscsi_rcv.c:1.13 --- src/sys/dev/iscsi/iscsi_rcv.c:1.12 Wed Jun 1 05:13:07 2016 +++ src/sys/dev/iscsi/iscsi_rcv.c Sun Jun 5 04:36:05 2016 @@ -1,4 +1,4 @@ -/* $NetBSD: iscsi_rcv.c,v 1.12 2016/06/01 05:13:07 mlelstv Exp $ */ +/* $NetBSD: iscsi_rcv.c,v 1.13 2016/06/05 04:36:05 mlelstv Exp $ */ /*- * Copyright (c) 2004,2005,2006,2011 The NetBSD Foundation, Inc. @@ -64,10 +64,10 @@ my_soo_read(connection_t *conn, struct u KERNEL_UNLOCK_ONE(curlwp); if (ret || (flags != MSG_DONTWAIT && u->uio_resid)) { - DEBC(conn, 1, ("Read failed (ret: %d, req: %zu, out: %zu)\n", ret, resid, - u->uio_resid)); + DEBC(conn, 1, ("Read failed (ret: %d, req: %zu, out: %zu)\n", + ret, resid, u->uio_resid)); handle_connection_error(conn, ISCSI_STATUS_SOCKET_ERROR, - RECOVER_CONNECTION); + RECOVER_CONNECTION); return 1; } return 0; @@ -131,6 +131,9 @@ ccb_from_itt(connection_t *conn, uint32_ } ccb = &conn->session->ccb[cidx]; if (ccb->ITT != itt || ccb->disp <= CCBDISP_BUSY) { + DEBC(conn, 0, + ("ccb_from_itt: received invalid CCB itt %08x != %08x\n", + itt, ccb->ITT)); return NULL; } return ccb; @@ -161,7 +164,7 @@ read_pdu_data(pdu_t *pdu, uint8_t *data, int i, pad; connection_t *conn = pdu->connection; - DEB(1, ("read_pdu_data: data segment length = %d\n", + DEB(15, ("read_pdu_data: data segment length = %d\n", ntoh3(pdu->pdu.DataSegmentLength))); if (!(len = ntoh3(pdu->pdu.DataSegmentLength))) { return 0; @@ -373,7 +376,7 @@ check_CmdSN(connection_t *conn, uint32_t if (ccb->pdu_waiting != NULL && ccb->CmdSN > sn && !(ccb->flags & CCBF_GOT_RSP)) { DEBC(conn, 1, ("CheckCmdSN resending - CmdSN=%d, ExpCmdSn=%d\n", - ccb->CmdSN, sn)); + ccb->CmdSN, sn)); ccb->total_tries++; @@ -944,7 +947,7 @@ STATIC int receive_nop_in_pdu(connection_t *conn, pdu_t *pdu, ccb_t *req_ccb) { DEBC(conn, 10, - ("Received NOP-In PDU, req_ccb=%p, ITT=%x, TTT=%x, StatSN=%x\n", + ("Received NOP_In PDU, req_ccb=%p, ITT=%x, TTT=%x, StatSN=%x\n", req_ccb, pdu->pdu.InitiatorTaskTag, pdu->pdu.p.nop_in.TargetTransferTag, ntohl(pdu->pdu.p.nop_in.StatSN))); @@ -971,6 +974,9 @@ receive_nop_in_pdu(connection_t *conn, p wake_ccb(req_ccb, ISCSI_STATUS_SUCCESS); check_StatSN(conn, pdu->pdu.p.nop_in.StatSN, TRUE); + } else { + DEBC(conn, 0, ("Received unsolicted NOP_In, itt=%08x\n", + pdu->pdu.InitiatorTaskTag)); } return 0; @@ -1009,6 +1015,9 @@ receive_pdu(connection_t *conn, pdu_t *p } } + DEBC(conn, 99, ("Received PDU ExpCmdSN = %u\n", + ntohl(pdu->pdu.p.response.ExpCmdSN))); + req_ccb = ccb_from_itt(conn, pdu->pdu.InitiatorTaskTag); if (req_ccb != NULL && req_ccb->data_in && req_ccb->data_len && @@ -1112,7 +1121,7 @@ receive_pdu(connection_t *conn, pdu_t *p return 0; } - DEBC(conn, 1, ("Unthrottling - MaxCmdSN = %d\n", MaxCmdSN)); + DEBC(conn, 5, ("Unthrottling - MaxCmdSN = %d\n", MaxCmdSN)); TAILQ_INIT(&waiting); while ((req_ccb = TAILQ_FIRST(&sess->ccbs_throttled)) != NULL) { @@ -1124,7 +1133,7 @@ receive_pdu(connection_t *conn, pdu_t *p while ((req_ccb = TAILQ_FIRST(&waiting)) != NULL) { TAILQ_REMOVE(&waiting, req_ccb, chain); - DEBC(conn, 1, ("Unthrottling - ccb = %p, disp = %d\n", + DEBC(conn, 10, ("Unthrottling - ccb = %p, disp = %d\n", req_ccb, req_ccb->disp)); if (req_ccb->flags & CCBF_WAITING) { Index: src/sys/dev/iscsi/iscsi_send.c diff -u src/sys/dev/iscsi/iscsi_send.c:1.20 src/sys/dev/iscsi/iscsi_send.c:1.21 --- src/sys/dev/iscsi/iscsi_send.c:1.20 Fri Jun 3 06:53:40 2016 +++ src/sys/dev/iscsi/iscsi_send.c Sun Jun 5 04:36:05 2016 @@ -1,4 +1,4 @@ -/* $NetBSD: iscsi_send.c,v 1.20 2016/06/03 06:53:40 mlelstv Exp $ */ +/* $NetBSD: iscsi_send.c,v 1.21 2016/06/05 04:36:05 mlelstv Exp $ */ /*- * Copyright (c) 2004,2005,2006,2011 The NetBSD Foundation, Inc. @@ -314,7 +314,8 @@ iscsi_send_thread(void *par) if (conn->HeaderDigest) pdu->pdu.HeaderDigest = gen_digest(&pdu->pdu, BHS_SIZE); - DEBC(conn, 99, ("Send thread transmitting data\n")); + DEBC(conn, 99, ("Transmitting PDU CmdSN = %u\n", + ntohl(pdu->pdu.p.command.CmdSN))); my_soo_write(conn, &pdu->uio); if (pdu->disp <= PDUDISP_FREE) { @@ -1358,13 +1359,13 @@ send_command(ccb_t *ccb, ccb_disp_t disp throttle_ccb(ccb, TRUE); if (!waitok) { - DEBOUT(("Throttling send_command, ccb = %p\n",ccb)); + DEBC(conn, 10, ("Throttling send_command, ccb = %p\n",ccb)); return; } + DEBC(conn, 15, ("Wait send_command, ccb = %p\n",ccb)); cv_wait(&sess->ccb_cv, &sess->lock); - - DEBOUT(("Resuming send_command, ccb = %p\n",ccb)); + DEBC(conn, 15, ("Resuming send_command, ccb = %p\n",ccb)); throttle_ccb(ccb, FALSE); ccb->flags &= ~CCBF_WAITING; @@ -1423,8 +1424,8 @@ send_command(ccb_t *ccb, ccb_disp_t disp pdu->p.command.CmdSN = htonl(ccb->CmdSN); - DEBC(conn, 10, ("Send Command: CmdSN %d, data_in %d, len %d, totlen %d\n", - ccb->CmdSN, ccb->data_in, len, totlen)); + DEBC(conn, 10, ("Send Command: CmdSN %d (%d), data_in %d, len %d, totlen %d\n", + ccb->CmdSN, sess->MaxCmdSN, ccb->data_in, len, totlen)); setup_tx_uio(ppdu, len, ccb->data_ptr, ccb->data_in); send_pdu(ccb, ppdu, (totlen) ? CCBDISP_DEFER : disp, PDUDISP_WAIT); Index: src/sys/dev/iscsi/iscsi_utils.c diff -u src/sys/dev/iscsi/iscsi_utils.c:1.11 src/sys/dev/iscsi/iscsi_utils.c:1.12 --- src/sys/dev/iscsi/iscsi_utils.c:1.11 Wed Jun 1 05:13:07 2016 +++ src/sys/dev/iscsi/iscsi_utils.c Sun Jun 5 04:36:05 2016 @@ -1,4 +1,4 @@ -/* $NetBSD: iscsi_utils.c,v 1.11 2016/06/01 05:13:07 mlelstv Exp $ */ +/* $NetBSD: iscsi_utils.c,v 1.12 2016/06/05 04:36:05 mlelstv Exp $ */ /*- * Copyright (c) 2004,2005,2006,2008 The NetBSD Foundation, Inc. @@ -248,7 +248,7 @@ get_ccb(connection_t *conn, bool waitok) ccb->connection = conn; atomic_inc_uint(&conn->usecount); - DEBC(conn, 5, ( + DEBC(conn, 15, ( "get_ccb: ccb = %p, usecount = %d\n", ccb, conn->usecount)); @@ -268,7 +268,7 @@ free_ccb(ccb_t *ccb) session_t *sess = ccb->session; pdu_t *pdu; - DEBC(ccb->connection, 5, ( + DEBC(ccb->connection, 15, ( "free_ccb: ccb = %p, usecount = %d\n", ccb, ccb->connection->usecount-1)); @@ -622,7 +622,7 @@ add_sernum(sernum_buffer_t *buff, uint32 } buff->top = t; - DEB(10, ("AddSernum bottom %d [%d], top %d, num %u, diff %d\n", + DEB(11, ("AddSernum bottom %d [%d], top %d, num %u, diff %d\n", b, buff->sernum[b], buff->top, num, diff)); return diff; @@ -673,7 +673,7 @@ ack_sernum(sernum_buffer_t *buff, uint32 if (!sn_a_lt_b(num, buff->ExpSN)) buff->ExpSN = num + 1; - DEB(10, ("AckSernum bottom %d, top %d, num %d ExpSN %d\n", + DEB(11, ("AckSernum bottom %d, top %d, num %d ExpSN %d\n", buff->bottom, buff->top, num, buff->ExpSN)); return buff->ExpSN;