2 * Copyright (C) 2005 - 2015 Emulex
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License version 2
7 * as published by the Free Software Foundation. The full GNU General
8 * Public License is included in this distribution in the file called COPYING.
10 * Written by: Jayamohan Kallickal (jayamohan.kallickal@avagotech.com)
12 * Contact Information:
13 * linux-drivers@avagotech.com
17 * Costa Mesa, CA 92626
20 #include <scsi/libiscsi.h>
21 #include <scsi/scsi_transport_iscsi.h>
22 #include <scsi/scsi_transport.h>
23 #include <scsi/scsi_cmnd.h>
24 #include <scsi/scsi_device.h>
25 #include <scsi/scsi_host.h>
26 #include <scsi/scsi_netlink.h>
27 #include <net/netlink.h>
28 #include <scsi/scsi.h>
32 extern struct iscsi_transport beiscsi_iscsi_transport;
35 * beiscsi_session_create - creates a new iscsi session
36 * @cmds_max: max commands supported
37 * @qdepth: max queue depth supported
38 * @initial_cmdsn: initial iscsi CMDSN
40 struct iscsi_cls_session *beiscsi_session_create(struct iscsi_endpoint *ep,
45 struct Scsi_Host *shost;
46 struct beiscsi_endpoint *beiscsi_ep;
47 struct iscsi_cls_session *cls_session;
48 struct beiscsi_hba *phba;
49 struct iscsi_session *sess;
50 struct beiscsi_session *beiscsi_sess;
51 struct beiscsi_io_task *io_task;
56 "beiscsi_session_create: invalid ep\n");
59 beiscsi_ep = ep->dd_data;
60 phba = beiscsi_ep->phba;
62 if (phba->state & BE_ADAPTER_PCI_ERR) {
63 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
64 "BS_%d : PCI_ERROR Recovery\n");
67 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
68 "BS_%d : In beiscsi_session_create\n");
71 if (cmds_max > beiscsi_ep->phba->params.wrbs_per_cxn) {
72 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
73 "BS_%d : Cannot handle %d cmds."
74 "Max cmds per session supported is %d. Using %d."
76 beiscsi_ep->phba->params.wrbs_per_cxn,
77 beiscsi_ep->phba->params.wrbs_per_cxn);
79 cmds_max = beiscsi_ep->phba->params.wrbs_per_cxn;
83 cls_session = iscsi_session_setup(&beiscsi_iscsi_transport,
85 sizeof(*beiscsi_sess),
87 initial_cmdsn, ISCSI_MAX_TARGET);
90 sess = cls_session->dd_data;
91 beiscsi_sess = sess->dd_data;
92 beiscsi_sess->bhs_pool = pci_pool_create("beiscsi_bhs_pool",
94 sizeof(struct be_cmd_bhs),
96 if (!beiscsi_sess->bhs_pool)
101 iscsi_session_teardown(cls_session);
106 * beiscsi_session_destroy - destroys iscsi session
107 * @cls_session: pointer to iscsi cls session
109 * Destroys iSCSI session instance and releases
110 * resources allocated for it.
112 void beiscsi_session_destroy(struct iscsi_cls_session *cls_session)
114 struct iscsi_session *sess = cls_session->dd_data;
115 struct beiscsi_session *beiscsi_sess = sess->dd_data;
117 printk(KERN_INFO "In beiscsi_session_destroy\n");
118 pci_pool_destroy(beiscsi_sess->bhs_pool);
119 iscsi_session_teardown(cls_session);
123 * beiscsi_conn_create - create an instance of iscsi connection
124 * @cls_session: ptr to iscsi_cls_session
127 struct iscsi_cls_conn *
128 beiscsi_conn_create(struct iscsi_cls_session *cls_session, u32 cid)
130 struct beiscsi_hba *phba;
131 struct Scsi_Host *shost;
132 struct iscsi_cls_conn *cls_conn;
133 struct beiscsi_conn *beiscsi_conn;
134 struct iscsi_conn *conn;
135 struct iscsi_session *sess;
136 struct beiscsi_session *beiscsi_sess;
138 shost = iscsi_session_to_shost(cls_session);
139 phba = iscsi_host_priv(shost);
141 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
142 "BS_%d : In beiscsi_conn_create ,cid"
143 "from iscsi layer=%d\n", cid);
145 cls_conn = iscsi_conn_setup(cls_session, sizeof(*beiscsi_conn), cid);
149 conn = cls_conn->dd_data;
150 beiscsi_conn = conn->dd_data;
151 beiscsi_conn->ep = NULL;
152 beiscsi_conn->phba = phba;
153 beiscsi_conn->conn = conn;
154 sess = cls_session->dd_data;
155 beiscsi_sess = sess->dd_data;
156 beiscsi_conn->beiscsi_sess = beiscsi_sess;
161 * beiscsi_bindconn_cid - Bind the beiscsi_conn with phba connection table
162 * @beiscsi_conn: The pointer to beiscsi_conn structure
163 * @phba: The phba instance
164 * @cid: The cid to free
166 static int beiscsi_bindconn_cid(struct beiscsi_hba *phba,
167 struct beiscsi_conn *beiscsi_conn,
170 uint16_t cri_index = BE_GET_CRI_FROM_CID(cid);
172 if (phba->conn_table[cri_index]) {
173 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
174 "BS_%d : Connection table already occupied. Detected clash\n");
178 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
179 "BS_%d : phba->conn_table[%d]=%p(beiscsi_conn)\n",
180 cri_index, beiscsi_conn);
182 phba->conn_table[cri_index] = beiscsi_conn;
188 * beiscsi_conn_bind - Binds iscsi session/connection with TCP connection
189 * @cls_session: pointer to iscsi cls session
190 * @cls_conn: pointer to iscsi cls conn
191 * @transport_fd: EP handle(64 bit)
193 * This function binds the TCP Conn with iSCSI Connection and Session.
195 int beiscsi_conn_bind(struct iscsi_cls_session *cls_session,
196 struct iscsi_cls_conn *cls_conn,
197 u64 transport_fd, int is_leading)
199 struct iscsi_conn *conn = cls_conn->dd_data;
200 struct beiscsi_conn *beiscsi_conn = conn->dd_data;
201 struct Scsi_Host *shost = iscsi_session_to_shost(cls_session);
202 struct beiscsi_hba *phba = iscsi_host_priv(shost);
203 struct hwi_controller *phwi_ctrlr = phba->phwi_ctrlr;
204 struct hwi_wrb_context *pwrb_context;
205 struct beiscsi_endpoint *beiscsi_ep;
206 struct iscsi_endpoint *ep;
208 ep = iscsi_lookup_endpoint(transport_fd);
212 beiscsi_ep = ep->dd_data;
214 if (iscsi_conn_bind(cls_session, cls_conn, is_leading))
217 if (beiscsi_ep->phba != phba) {
218 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
219 "BS_%d : beiscsi_ep->hba=%p not equal to phba=%p\n",
220 beiscsi_ep->phba, phba);
225 pwrb_context = &phwi_ctrlr->wrb_context[BE_GET_CRI_FROM_CID(
226 beiscsi_ep->ep_cid)];
228 beiscsi_conn->beiscsi_conn_cid = beiscsi_ep->ep_cid;
229 beiscsi_conn->ep = beiscsi_ep;
230 beiscsi_ep->conn = beiscsi_conn;
231 beiscsi_conn->doorbell_offset = pwrb_context->doorbell_offset;
233 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
234 "BS_%d : beiscsi_conn=%p conn=%p ep_cid=%d\n",
235 beiscsi_conn, conn, beiscsi_ep->ep_cid);
237 return beiscsi_bindconn_cid(phba, beiscsi_conn, beiscsi_ep->ep_cid);
240 static int beiscsi_create_ipv4_iface(struct beiscsi_hba *phba)
242 if (phba->ipv4_iface)
245 phba->ipv4_iface = iscsi_create_iface(phba->shost,
246 &beiscsi_iscsi_transport,
247 ISCSI_IFACE_TYPE_IPV4,
249 if (!phba->ipv4_iface) {
250 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
252 "create default IPv4 address.\n");
259 static int beiscsi_create_ipv6_iface(struct beiscsi_hba *phba)
261 if (phba->ipv6_iface)
264 phba->ipv6_iface = iscsi_create_iface(phba->shost,
265 &beiscsi_iscsi_transport,
266 ISCSI_IFACE_TYPE_IPV6,
268 if (!phba->ipv6_iface) {
269 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
271 "create default IPv6 address.\n");
278 void beiscsi_create_def_ifaces(struct beiscsi_hba *phba)
280 struct be_cmd_get_if_info_resp *if_info;
282 if (!mgmt_get_if_info(phba, BE2_IPV4, &if_info)) {
283 beiscsi_create_ipv4_iface(phba);
287 if (!mgmt_get_if_info(phba, BE2_IPV6, &if_info)) {
288 beiscsi_create_ipv6_iface(phba);
293 void beiscsi_destroy_def_ifaces(struct beiscsi_hba *phba)
295 if (phba->ipv6_iface) {
296 iscsi_destroy_iface(phba->ipv6_iface);
297 phba->ipv6_iface = NULL;
299 if (phba->ipv4_iface) {
300 iscsi_destroy_iface(phba->ipv4_iface);
301 phba->ipv4_iface = NULL;
306 beiscsi_set_static_ip(struct Scsi_Host *shost,
307 struct iscsi_iface_param_info *iface_param,
308 void *data, uint32_t dt_len)
310 struct beiscsi_hba *phba = iscsi_host_priv(shost);
311 struct iscsi_iface_param_info *iface_ip = NULL;
312 struct iscsi_iface_param_info *iface_subnet = NULL;
317 switch (iface_param->param) {
318 case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
319 nla = nla_find(data, dt_len, ISCSI_NET_PARAM_IPV4_ADDR);
321 iface_ip = nla_data(nla);
323 nla = nla_find(data, dt_len, ISCSI_NET_PARAM_IPV4_SUBNET);
325 iface_subnet = nla_data(nla);
327 case ISCSI_NET_PARAM_IPV4_ADDR:
328 iface_ip = iface_param;
329 nla = nla_find(data, dt_len, ISCSI_NET_PARAM_IPV4_SUBNET);
331 iface_subnet = nla_data(nla);
333 case ISCSI_NET_PARAM_IPV4_SUBNET:
334 iface_subnet = iface_param;
335 nla = nla_find(data, dt_len, ISCSI_NET_PARAM_IPV4_ADDR);
337 iface_ip = nla_data(nla);
340 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
341 "BS_%d : Unsupported param %d\n",
345 if (!iface_ip || !iface_subnet) {
346 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
347 "BS_%d : IP and Subnet Mask required\n");
351 ret = mgmt_set_ip(phba, iface_ip, iface_subnet,
352 ISCSI_BOOTPROTO_STATIC);
358 * beiscsi_set_vlan_tag()- Set the VLAN TAG
359 * @shost: Scsi Host for the driver instance
360 * @iface_param: Interface paramters
362 * Set the VLAN TAG for the adapter or disable
367 * Failure: Non-Zero Value
370 beiscsi_set_vlan_tag(struct Scsi_Host *shost,
371 struct iscsi_iface_param_info *iface_param)
373 struct beiscsi_hba *phba = iscsi_host_priv(shost);
376 /* Get the Interface Handle */
377 ret = mgmt_get_all_if_id(phba);
379 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
380 "BS_%d : Getting Interface Handle Failed\n");
384 switch (iface_param->param) {
385 case ISCSI_NET_PARAM_VLAN_ENABLED:
386 if (iface_param->value[0] != ISCSI_VLAN_ENABLE)
387 ret = mgmt_set_vlan(phba, BEISCSI_VLAN_DISABLE);
389 case ISCSI_NET_PARAM_VLAN_TAG:
390 ret = mgmt_set_vlan(phba,
391 *((uint16_t *)iface_param->value));
394 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
395 "BS_%d : Unknown Param Type : %d\n",
404 beiscsi_set_ipv4(struct Scsi_Host *shost,
405 struct iscsi_iface_param_info *iface_param,
406 void *data, uint32_t dt_len)
408 struct beiscsi_hba *phba = iscsi_host_priv(shost);
411 /* Check the param */
412 switch (iface_param->param) {
413 case ISCSI_NET_PARAM_IFACE_ENABLE:
414 if (iface_param->value[0] == ISCSI_IFACE_ENABLE)
415 ret = beiscsi_create_ipv4_iface(phba);
417 iscsi_destroy_iface(phba->ipv4_iface);
418 phba->ipv4_iface = NULL;
421 case ISCSI_NET_PARAM_IPV4_GW:
422 ret = beiscsi_if_set_gw(phba, BE2_IPV4, iface_param->value);
424 case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
425 if (iface_param->value[0] == ISCSI_BOOTPROTO_DHCP)
426 ret = mgmt_set_ip(phba, iface_param,
427 NULL, ISCSI_BOOTPROTO_DHCP);
428 else if (iface_param->value[0] == ISCSI_BOOTPROTO_STATIC)
429 ret = beiscsi_set_static_ip(shost, iface_param,
432 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
433 "BS_%d : Invalid BOOTPROTO: %d\n",
434 iface_param->value[0]);
436 case ISCSI_NET_PARAM_IPV4_SUBNET:
437 case ISCSI_NET_PARAM_IPV4_ADDR:
438 ret = beiscsi_set_static_ip(shost, iface_param,
441 case ISCSI_NET_PARAM_VLAN_ENABLED:
442 case ISCSI_NET_PARAM_VLAN_TAG:
443 ret = beiscsi_set_vlan_tag(shost, iface_param);
446 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
447 "BS_%d : Param %d not supported\n",
455 beiscsi_set_ipv6(struct Scsi_Host *shost,
456 struct iscsi_iface_param_info *iface_param,
457 void *data, uint32_t dt_len)
459 struct beiscsi_hba *phba = iscsi_host_priv(shost);
462 switch (iface_param->param) {
463 case ISCSI_NET_PARAM_IFACE_ENABLE:
464 if (iface_param->value[0] == ISCSI_IFACE_ENABLE)
465 ret = beiscsi_create_ipv6_iface(phba);
467 iscsi_destroy_iface(phba->ipv6_iface);
468 phba->ipv6_iface = NULL;
471 case ISCSI_NET_PARAM_IPV6_ADDR:
472 ret = mgmt_set_ip(phba, iface_param, NULL,
473 ISCSI_BOOTPROTO_STATIC);
475 case ISCSI_NET_PARAM_VLAN_ENABLED:
476 case ISCSI_NET_PARAM_VLAN_TAG:
477 ret = beiscsi_set_vlan_tag(shost, iface_param);
480 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
481 "BS_%d : Param %d not supported\n",
488 int be2iscsi_iface_set_param(struct Scsi_Host *shost,
489 void *data, uint32_t dt_len)
491 struct iscsi_iface_param_info *iface_param = NULL;
492 struct beiscsi_hba *phba = iscsi_host_priv(shost);
493 struct nlattr *attrib;
494 uint32_t rm_len = dt_len;
497 if (phba->state & BE_ADAPTER_PCI_ERR) {
498 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
499 "BS_%d : In PCI_ERROR Recovery\n");
503 nla_for_each_attr(attrib, data, dt_len, rm_len) {
504 iface_param = nla_data(attrib);
506 if (iface_param->param_type != ISCSI_NET_PARAM)
510 * BE2ISCSI only supports 1 interface
512 if (iface_param->iface_num) {
513 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
514 "BS_%d : Invalid iface_num %d."
515 "Only iface_num 0 is supported.\n",
516 iface_param->iface_num);
521 switch (iface_param->iface_type) {
522 case ISCSI_IFACE_TYPE_IPV4:
523 ret = beiscsi_set_ipv4(shost, iface_param,
526 case ISCSI_IFACE_TYPE_IPV6:
527 ret = beiscsi_set_ipv6(shost, iface_param,
531 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
532 "BS_%d : Invalid iface type :%d passed\n",
533 iface_param->iface_type);
544 static int be2iscsi_get_if_param(struct beiscsi_hba *phba,
545 struct iscsi_iface *iface, int param,
548 struct be_cmd_get_if_info_resp *if_info;
549 int len, ip_type = BE2_IPV4;
551 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6)
554 len = mgmt_get_if_info(phba, ip_type, &if_info);
559 case ISCSI_NET_PARAM_IPV4_ADDR:
560 len = sprintf(buf, "%pI4\n", if_info->ip_addr.addr);
562 case ISCSI_NET_PARAM_IPV6_ADDR:
563 len = sprintf(buf, "%pI6\n", if_info->ip_addr.addr);
565 case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
566 if (!if_info->dhcp_state)
567 len = sprintf(buf, "static\n");
569 len = sprintf(buf, "dhcp\n");
571 case ISCSI_NET_PARAM_IPV4_SUBNET:
572 len = sprintf(buf, "%pI4\n", if_info->ip_addr.subnet_mask);
574 case ISCSI_NET_PARAM_VLAN_ENABLED:
575 len = sprintf(buf, "%s\n",
576 (if_info->vlan_priority == BEISCSI_VLAN_DISABLE) ?
577 "disable" : "enable");
579 case ISCSI_NET_PARAM_VLAN_ID:
580 if (if_info->vlan_priority == BEISCSI_VLAN_DISABLE)
583 len = sprintf(buf, "%d\n",
584 (if_info->vlan_priority &
587 case ISCSI_NET_PARAM_VLAN_PRIORITY:
588 if (if_info->vlan_priority == BEISCSI_VLAN_DISABLE)
591 len = sprintf(buf, "%d\n",
592 ((if_info->vlan_priority >> 13) &
593 ISCSI_MAX_VLAN_PRIORITY));
603 int be2iscsi_iface_get_param(struct iscsi_iface *iface,
604 enum iscsi_param_type param_type,
605 int param, char *buf)
607 struct Scsi_Host *shost = iscsi_iface_to_shost(iface);
608 struct beiscsi_hba *phba = iscsi_host_priv(shost);
609 struct be_cmd_get_def_gateway_resp gateway;
612 if (phba->state & BE_ADAPTER_PCI_ERR) {
613 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
614 "BS_%d : In PCI_ERROR Recovery\n");
619 case ISCSI_NET_PARAM_IPV4_ADDR:
620 case ISCSI_NET_PARAM_IPV4_SUBNET:
621 case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
622 case ISCSI_NET_PARAM_IPV6_ADDR:
623 case ISCSI_NET_PARAM_VLAN_ENABLED:
624 case ISCSI_NET_PARAM_VLAN_ID:
625 case ISCSI_NET_PARAM_VLAN_PRIORITY:
626 len = be2iscsi_get_if_param(phba, iface, param, buf);
628 case ISCSI_NET_PARAM_IFACE_ENABLE:
629 if (iface->iface_type == ISCSI_IFACE_TYPE_IPV4)
630 len = sprintf(buf, "%s\n",
631 phba->ipv4_iface ? "enable" : "disable");
632 else if (iface->iface_type == ISCSI_IFACE_TYPE_IPV6)
633 len = sprintf(buf, "%s\n",
634 phba->ipv6_iface ? "enable" : "disable");
636 case ISCSI_NET_PARAM_IPV4_GW:
637 memset(&gateway, 0, sizeof(gateway));
638 len = beiscsi_if_get_gw(phba, BE2_IPV4, &gateway);
640 len = sprintf(buf, "%pI4\n", &gateway.ip_addr.addr);
650 * beiscsi_ep_get_param - get the iscsi parameter
651 * @ep: pointer to iscsi ep
652 * @param: parameter type identifier
653 * @buf: buffer pointer
655 * returns iscsi parameter
657 int beiscsi_ep_get_param(struct iscsi_endpoint *ep,
658 enum iscsi_param param, char *buf)
660 struct beiscsi_endpoint *beiscsi_ep = ep->dd_data;
663 beiscsi_log(beiscsi_ep->phba, KERN_INFO,
665 "BS_%d : In beiscsi_ep_get_param,"
666 " param= %d\n", param);
669 case ISCSI_PARAM_CONN_PORT:
670 len = sprintf(buf, "%hu\n", beiscsi_ep->dst_tcpport);
672 case ISCSI_PARAM_CONN_ADDRESS:
673 if (beiscsi_ep->ip_type == BE2_IPV4)
674 len = sprintf(buf, "%pI4\n", &beiscsi_ep->dst_addr);
676 len = sprintf(buf, "%pI6\n", &beiscsi_ep->dst6_addr);
684 int beiscsi_set_param(struct iscsi_cls_conn *cls_conn,
685 enum iscsi_param param, char *buf, int buflen)
687 struct iscsi_conn *conn = cls_conn->dd_data;
688 struct iscsi_session *session = conn->session;
689 struct beiscsi_hba *phba = NULL;
692 phba = ((struct beiscsi_conn *)conn->dd_data)->phba;
693 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
694 "BS_%d : In beiscsi_conn_set_param,"
695 " param= %d\n", param);
697 ret = iscsi_set_param(cls_conn, param, buf, buflen);
701 * If userspace tried to set the value to higher than we can
702 * support override here.
705 case ISCSI_PARAM_FIRST_BURST:
706 if (session->first_burst > 8192)
707 session->first_burst = 8192;
709 case ISCSI_PARAM_MAX_RECV_DLENGTH:
710 if (conn->max_recv_dlength > 65536)
711 conn->max_recv_dlength = 65536;
713 case ISCSI_PARAM_MAX_BURST:
714 if (session->max_burst > 262144)
715 session->max_burst = 262144;
717 case ISCSI_PARAM_MAX_XMIT_DLENGTH:
718 if (conn->max_xmit_dlength > 65536)
719 conn->max_xmit_dlength = 65536;
728 * beiscsi_get_initname - Read Initiator Name from flash
729 * @buf: buffer bointer
730 * @phba: The device priv structure instance
732 * returns number of bytes
734 static int beiscsi_get_initname(char *buf, struct beiscsi_hba *phba)
738 struct be_mcc_wrb *wrb;
739 struct be_cmd_hba_name *resp;
741 tag = be_cmd_get_initname(phba);
743 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
744 "BS_%d : Getting Initiator Name Failed\n");
749 rc = beiscsi_mccq_compl_wait(phba, tag, &wrb, NULL);
751 beiscsi_log(phba, KERN_ERR,
752 BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
753 "BS_%d : Initiator Name MBX Failed\n");
757 resp = embedded_payload(wrb);
758 rc = sprintf(buf, "%s\n", resp->initiator_name);
763 * beiscsi_get_port_state - Get the Port State
764 * @shost : pointer to scsi_host structure
767 static void beiscsi_get_port_state(struct Scsi_Host *shost)
769 struct beiscsi_hba *phba = iscsi_host_priv(shost);
770 struct iscsi_cls_host *ihost = shost->shost_data;
772 ihost->port_state = (phba->state & BE_ADAPTER_LINK_UP) ?
773 ISCSI_PORT_STATE_UP : ISCSI_PORT_STATE_DOWN;
777 * beiscsi_get_port_speed - Get the Port Speed from Adapter
778 * @shost : pointer to scsi_host structure
781 static void beiscsi_get_port_speed(struct Scsi_Host *shost)
783 struct beiscsi_hba *phba = iscsi_host_priv(shost);
784 struct iscsi_cls_host *ihost = shost->shost_data;
786 switch (phba->port_speed) {
787 case BE2ISCSI_LINK_SPEED_10MBPS:
788 ihost->port_speed = ISCSI_PORT_SPEED_10MBPS;
790 case BE2ISCSI_LINK_SPEED_100MBPS:
791 ihost->port_speed = ISCSI_PORT_SPEED_100MBPS;
793 case BE2ISCSI_LINK_SPEED_1GBPS:
794 ihost->port_speed = ISCSI_PORT_SPEED_1GBPS;
796 case BE2ISCSI_LINK_SPEED_10GBPS:
797 ihost->port_speed = ISCSI_PORT_SPEED_10GBPS;
799 case BE2ISCSI_LINK_SPEED_25GBPS:
800 ihost->port_speed = ISCSI_PORT_SPEED_25GBPS;
802 case BE2ISCSI_LINK_SPEED_40GBPS:
803 ihost->port_speed = ISCSI_PORT_SPEED_40GBPS;
806 ihost->port_speed = ISCSI_PORT_SPEED_UNKNOWN;
811 * beiscsi_get_host_param - get the iscsi parameter
812 * @shost: pointer to scsi_host structure
813 * @param: parameter type identifier
814 * @buf: buffer pointer
816 * returns host parameter
818 int beiscsi_get_host_param(struct Scsi_Host *shost,
819 enum iscsi_host_param param, char *buf)
821 struct beiscsi_hba *phba = iscsi_host_priv(shost);
825 if (phba->state & BE_ADAPTER_PCI_ERR) {
826 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
827 "BS_%d : In PCI_ERROR Recovery\n");
830 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
831 "BS_%d : In beiscsi_get_host_param,"
832 " param = %d\n", param);
836 case ISCSI_HOST_PARAM_HWADDRESS:
837 status = beiscsi_get_macaddr(buf, phba);
839 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
840 "BS_%d : beiscsi_get_macaddr Failed\n");
844 case ISCSI_HOST_PARAM_INITIATOR_NAME:
845 status = beiscsi_get_initname(buf, phba);
847 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
848 "BS_%d : Retreiving Initiator Name Failed\n");
852 case ISCSI_HOST_PARAM_PORT_STATE:
853 beiscsi_get_port_state(shost);
854 status = sprintf(buf, "%s\n", iscsi_get_port_state_name(shost));
856 case ISCSI_HOST_PARAM_PORT_SPEED:
857 beiscsi_get_port_speed(shost);
858 status = sprintf(buf, "%s\n", iscsi_get_port_speed_name(shost));
861 return iscsi_host_get_param(shost, param, buf);
866 int beiscsi_get_macaddr(char *buf, struct beiscsi_hba *phba)
868 struct be_cmd_get_nic_conf_resp resp;
871 if (phba->mac_addr_set)
872 return sysfs_format_mac(buf, phba->mac_address, ETH_ALEN);
874 memset(&resp, 0, sizeof(resp));
875 rc = mgmt_get_nic_conf(phba, &resp);
879 phba->mac_addr_set = true;
880 memcpy(phba->mac_address, resp.mac_address, ETH_ALEN);
881 return sysfs_format_mac(buf, phba->mac_address, ETH_ALEN);
885 * beiscsi_conn_get_stats - get the iscsi stats
886 * @cls_conn: pointer to iscsi cls conn
887 * @stats: pointer to iscsi_stats structure
889 * returns iscsi stats
891 void beiscsi_conn_get_stats(struct iscsi_cls_conn *cls_conn,
892 struct iscsi_stats *stats)
894 struct iscsi_conn *conn = cls_conn->dd_data;
895 struct beiscsi_hba *phba = NULL;
897 phba = ((struct beiscsi_conn *)conn->dd_data)->phba;
898 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
899 "BS_%d : In beiscsi_conn_get_stats\n");
901 stats->txdata_octets = conn->txdata_octets;
902 stats->rxdata_octets = conn->rxdata_octets;
903 stats->dataout_pdus = conn->dataout_pdus_cnt;
904 stats->scsirsp_pdus = conn->scsirsp_pdus_cnt;
905 stats->scsicmd_pdus = conn->scsicmd_pdus_cnt;
906 stats->datain_pdus = conn->datain_pdus_cnt;
907 stats->tmfrsp_pdus = conn->tmfrsp_pdus_cnt;
908 stats->tmfcmd_pdus = conn->tmfcmd_pdus_cnt;
909 stats->r2t_pdus = conn->r2t_pdus_cnt;
910 stats->digest_err = 0;
911 stats->timeout_err = 0;
912 stats->custom_length = 1;
913 strcpy(stats->custom[0].desc, "eh_abort_cnt");
914 stats->custom[0].value = conn->eh_abort_cnt;
918 * beiscsi_set_params_for_offld - get the parameters for offload
919 * @beiscsi_conn: pointer to beiscsi_conn
920 * @params: pointer to offload_params structure
922 static void beiscsi_set_params_for_offld(struct beiscsi_conn *beiscsi_conn,
923 struct beiscsi_offload_params *params)
925 struct iscsi_conn *conn = beiscsi_conn->conn;
926 struct iscsi_session *session = conn->session;
928 AMAP_SET_BITS(struct amap_beiscsi_offload_params, max_burst_length,
929 params, session->max_burst);
930 AMAP_SET_BITS(struct amap_beiscsi_offload_params,
931 max_send_data_segment_length, params,
932 conn->max_xmit_dlength);
933 AMAP_SET_BITS(struct amap_beiscsi_offload_params, first_burst_length,
934 params, session->first_burst);
935 AMAP_SET_BITS(struct amap_beiscsi_offload_params, erl, params,
937 AMAP_SET_BITS(struct amap_beiscsi_offload_params, dde, params,
939 AMAP_SET_BITS(struct amap_beiscsi_offload_params, hde, params,
941 AMAP_SET_BITS(struct amap_beiscsi_offload_params, ir2t, params,
942 session->initial_r2t_en);
943 AMAP_SET_BITS(struct amap_beiscsi_offload_params, imd, params,
944 session->imm_data_en);
945 AMAP_SET_BITS(struct amap_beiscsi_offload_params,
946 data_seq_inorder, params,
947 session->dataseq_inorder_en);
948 AMAP_SET_BITS(struct amap_beiscsi_offload_params,
949 pdu_seq_inorder, params,
950 session->pdu_inorder_en);
951 AMAP_SET_BITS(struct amap_beiscsi_offload_params, max_r2t, params,
953 AMAP_SET_BITS(struct amap_beiscsi_offload_params, exp_statsn, params,
954 (conn->exp_statsn - 1));
955 AMAP_SET_BITS(struct amap_beiscsi_offload_params,
956 max_recv_data_segment_length, params,
957 conn->max_recv_dlength);
962 * beiscsi_conn_start - offload of session to chip
963 * @cls_conn: pointer to beiscsi_conn
965 int beiscsi_conn_start(struct iscsi_cls_conn *cls_conn)
967 struct iscsi_conn *conn = cls_conn->dd_data;
968 struct beiscsi_conn *beiscsi_conn = conn->dd_data;
969 struct beiscsi_endpoint *beiscsi_ep;
970 struct beiscsi_offload_params params;
971 struct beiscsi_hba *phba;
973 phba = ((struct beiscsi_conn *)conn->dd_data)->phba;
975 if (phba->state & BE_ADAPTER_PCI_ERR) {
976 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
977 "BS_%d : In PCI_ERROR Recovery\n");
980 beiscsi_log(beiscsi_conn->phba, KERN_INFO,
982 "BS_%d : In beiscsi_conn_start\n");
985 memset(¶ms, 0, sizeof(struct beiscsi_offload_params));
986 beiscsi_ep = beiscsi_conn->ep;
988 beiscsi_log(beiscsi_conn->phba, KERN_ERR,
990 "BS_%d : In beiscsi_conn_start , no beiscsi_ep\n");
992 beiscsi_conn->login_in_progress = 0;
993 beiscsi_set_params_for_offld(beiscsi_conn, ¶ms);
994 beiscsi_offload_connection(beiscsi_conn, ¶ms);
995 iscsi_conn_start(cls_conn);
1000 * beiscsi_get_cid - Allocate a cid
1001 * @phba: The phba instance
1003 static int beiscsi_get_cid(struct beiscsi_hba *phba)
1005 unsigned short cid = 0xFFFF, cid_from_ulp;
1006 struct ulp_cid_info *cid_info = NULL;
1007 uint16_t cid_avlbl_ulp0, cid_avlbl_ulp1;
1009 /* Find the ULP which has more CID available */
1010 cid_avlbl_ulp0 = (phba->cid_array_info[BEISCSI_ULP0]) ?
1011 BEISCSI_ULP0_AVLBL_CID(phba) : 0;
1012 cid_avlbl_ulp1 = (phba->cid_array_info[BEISCSI_ULP1]) ?
1013 BEISCSI_ULP1_AVLBL_CID(phba) : 0;
1014 cid_from_ulp = (cid_avlbl_ulp0 > cid_avlbl_ulp1) ?
1015 BEISCSI_ULP0 : BEISCSI_ULP1;
1017 if (test_bit(cid_from_ulp, (void *)&phba->fw_config.ulp_supported)) {
1018 cid_info = phba->cid_array_info[cid_from_ulp];
1019 if (!cid_info->avlbl_cids)
1022 cid = cid_info->cid_array[cid_info->cid_alloc++];
1024 if (cid_info->cid_alloc == BEISCSI_GET_CID_COUNT(
1025 phba, cid_from_ulp))
1026 cid_info->cid_alloc = 0;
1028 cid_info->avlbl_cids--;
1034 * beiscsi_put_cid - Free the cid
1035 * @phba: The phba for which the cid is being freed
1036 * @cid: The cid to free
1038 static void beiscsi_put_cid(struct beiscsi_hba *phba, unsigned short cid)
1040 uint16_t cid_post_ulp;
1041 struct hwi_controller *phwi_ctrlr;
1042 struct hwi_wrb_context *pwrb_context;
1043 struct ulp_cid_info *cid_info = NULL;
1044 uint16_t cri_index = BE_GET_CRI_FROM_CID(cid);
1046 phwi_ctrlr = phba->phwi_ctrlr;
1047 pwrb_context = &phwi_ctrlr->wrb_context[cri_index];
1048 cid_post_ulp = pwrb_context->ulp_num;
1050 cid_info = phba->cid_array_info[cid_post_ulp];
1051 cid_info->avlbl_cids++;
1053 cid_info->cid_array[cid_info->cid_free++] = cid;
1054 if (cid_info->cid_free == BEISCSI_GET_CID_COUNT(phba, cid_post_ulp))
1055 cid_info->cid_free = 0;
1059 * beiscsi_free_ep - free endpoint
1060 * @ep: pointer to iscsi endpoint structure
1062 static void beiscsi_free_ep(struct beiscsi_endpoint *beiscsi_ep)
1064 struct beiscsi_hba *phba = beiscsi_ep->phba;
1065 struct beiscsi_conn *beiscsi_conn;
1067 beiscsi_put_cid(phba, beiscsi_ep->ep_cid);
1068 beiscsi_ep->phba = NULL;
1069 phba->ep_array[BE_GET_CRI_FROM_CID
1070 (beiscsi_ep->ep_cid)] = NULL;
1073 * Check if any connection resource allocated by driver
1074 * is to be freed.This case occurs when target redirection
1075 * or connection retry is done.
1077 if (!beiscsi_ep->conn)
1080 beiscsi_conn = beiscsi_ep->conn;
1081 if (beiscsi_conn->login_in_progress) {
1082 beiscsi_free_mgmt_task_handles(beiscsi_conn,
1083 beiscsi_conn->task);
1084 beiscsi_conn->login_in_progress = 0;
1089 * beiscsi_open_conn - Ask FW to open a TCP connection
1090 * @ep: endpoint to be used
1091 * @src_addr: The source IP address
1092 * @dst_addr: The Destination IP address
1094 * Asks the FW to open a TCP connection
1096 static int beiscsi_open_conn(struct iscsi_endpoint *ep,
1097 struct sockaddr *src_addr,
1098 struct sockaddr *dst_addr, int non_blocking)
1100 struct beiscsi_endpoint *beiscsi_ep = ep->dd_data;
1101 struct beiscsi_hba *phba = beiscsi_ep->phba;
1102 struct tcp_connect_and_offload_out *ptcpcnct_out;
1103 struct be_dma_mem nonemb_cmd;
1104 unsigned int tag, req_memsize;
1107 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
1108 "BS_%d : In beiscsi_open_conn\n");
1110 beiscsi_ep->ep_cid = beiscsi_get_cid(phba);
1111 if (beiscsi_ep->ep_cid == 0xFFFF) {
1112 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
1113 "BS_%d : No free cid available\n");
1117 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
1118 "BS_%d : In beiscsi_open_conn, ep_cid=%d\n",
1119 beiscsi_ep->ep_cid);
1121 phba->ep_array[BE_GET_CRI_FROM_CID
1122 (beiscsi_ep->ep_cid)] = ep;
1124 beiscsi_ep->cid_vld = 0;
1126 if (is_chip_be2_be3r(phba))
1127 req_memsize = sizeof(struct tcp_connect_and_offload_in);
1129 req_memsize = sizeof(struct tcp_connect_and_offload_in_v1);
1131 nonemb_cmd.va = pci_alloc_consistent(phba->ctrl.pdev,
1134 if (nonemb_cmd.va == NULL) {
1136 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
1137 "BS_%d : Failed to allocate memory for"
1138 " mgmt_open_connection\n");
1140 beiscsi_free_ep(beiscsi_ep);
1143 nonemb_cmd.size = req_memsize;
1144 memset(nonemb_cmd.va, 0, nonemb_cmd.size);
1145 tag = mgmt_open_connection(phba, dst_addr, beiscsi_ep, &nonemb_cmd);
1147 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
1148 "BS_%d : mgmt_open_connection Failed for cid=%d\n",
1149 beiscsi_ep->ep_cid);
1151 pci_free_consistent(phba->ctrl.pdev, nonemb_cmd.size,
1152 nonemb_cmd.va, nonemb_cmd.dma);
1153 beiscsi_free_ep(beiscsi_ep);
1157 ret = beiscsi_mccq_compl_wait(phba, tag, NULL, &nonemb_cmd);
1159 beiscsi_log(phba, KERN_ERR,
1160 BEISCSI_LOG_CONFIG | BEISCSI_LOG_MBOX,
1161 "BS_%d : mgmt_open_connection Failed");
1164 pci_free_consistent(phba->ctrl.pdev, nonemb_cmd.size,
1165 nonemb_cmd.va, nonemb_cmd.dma);
1167 beiscsi_free_ep(beiscsi_ep);
1171 ptcpcnct_out = (struct tcp_connect_and_offload_out *)nonemb_cmd.va;
1172 beiscsi_ep = ep->dd_data;
1173 beiscsi_ep->fw_handle = ptcpcnct_out->connection_handle;
1174 beiscsi_ep->cid_vld = 1;
1175 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
1176 "BS_%d : mgmt_open_connection Success\n");
1178 pci_free_consistent(phba->ctrl.pdev, nonemb_cmd.size,
1179 nonemb_cmd.va, nonemb_cmd.dma);
1184 * beiscsi_ep_connect - Ask chip to create TCP Conn
1185 * @scsi_host: Pointer to scsi_host structure
1186 * @dst_addr: The IP address of Target
1187 * @non_blocking: blocking or non-blocking call
1189 * This routines first asks chip to create a connection and then allocates an EP
1191 struct iscsi_endpoint *
1192 beiscsi_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr,
1195 struct beiscsi_hba *phba;
1196 struct beiscsi_endpoint *beiscsi_ep;
1197 struct iscsi_endpoint *ep;
1201 phba = iscsi_host_priv(shost);
1205 "beiscsi_ep_connect shost is NULL\n");
1206 return ERR_PTR(ret);
1209 if (beiscsi_error(phba)) {
1211 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
1212 "BS_%d : The FW state Not Stable!!!\n");
1213 return ERR_PTR(ret);
1216 if (phba->state & BE_ADAPTER_PCI_ERR) {
1218 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
1219 "BS_%d : In PCI_ERROR Recovery\n");
1220 return ERR_PTR(ret);
1221 } else if (phba->state & BE_ADAPTER_LINK_DOWN) {
1223 beiscsi_log(phba, KERN_WARNING, BEISCSI_LOG_CONFIG,
1224 "BS_%d : The Adapter Port state is Down!!!\n");
1225 return ERR_PTR(ret);
1228 ep = iscsi_create_endpoint(sizeof(struct beiscsi_endpoint));
1231 return ERR_PTR(ret);
1234 beiscsi_ep = ep->dd_data;
1235 beiscsi_ep->phba = phba;
1236 beiscsi_ep->openiscsi_ep = ep;
1237 ret = beiscsi_open_conn(ep, NULL, dst_addr, non_blocking);
1239 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
1240 "BS_%d : Failed in beiscsi_open_conn\n");
1247 iscsi_destroy_endpoint(ep);
1248 return ERR_PTR(ret);
1252 * beiscsi_ep_poll - Poll to see if connection is established
1253 * @ep: endpoint to be used
1254 * @timeout_ms: timeout specified in millisecs
1256 * Poll to see if TCP connection established
1258 int beiscsi_ep_poll(struct iscsi_endpoint *ep, int timeout_ms)
1260 struct beiscsi_endpoint *beiscsi_ep = ep->dd_data;
1262 beiscsi_log(beiscsi_ep->phba, KERN_INFO, BEISCSI_LOG_CONFIG,
1263 "BS_%d : In beiscsi_ep_poll\n");
1265 if (beiscsi_ep->cid_vld == 1)
1272 * beiscsi_flush_cq()- Flush the CQ created.
1273 * @phba: ptr device priv structure.
1275 * Before the connection resource are freed flush
1276 * all the CQ enteries
1278 static void beiscsi_flush_cq(struct beiscsi_hba *phba)
1281 struct be_eq_obj *pbe_eq;
1282 struct hwi_controller *phwi_ctrlr;
1283 struct hwi_context_memory *phwi_context;
1285 phwi_ctrlr = phba->phwi_ctrlr;
1286 phwi_context = phwi_ctrlr->phwi_ctxt;
1288 for (i = 0; i < phba->num_cpus; i++) {
1289 pbe_eq = &phwi_context->be_eq[i];
1290 irq_poll_disable(&pbe_eq->iopoll);
1291 beiscsi_process_cq(pbe_eq, BE2_MAX_NUM_CQ_PROC);
1292 irq_poll_enable(&pbe_eq->iopoll);
1297 * beiscsi_close_conn - Upload the connection
1298 * @ep: The iscsi endpoint
1299 * @flag: The type of connection closure
1301 static int beiscsi_close_conn(struct beiscsi_endpoint *beiscsi_ep, int flag)
1305 struct beiscsi_hba *phba = beiscsi_ep->phba;
1307 tag = mgmt_upload_connection(phba, beiscsi_ep->ep_cid, flag);
1309 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
1310 "BS_%d : upload failed for cid 0x%x\n",
1311 beiscsi_ep->ep_cid);
1316 ret = beiscsi_mccq_compl_wait(phba, tag, NULL, NULL);
1318 /* Flush the CQ entries */
1319 beiscsi_flush_cq(phba);
1325 * beiscsi_unbind_conn_to_cid - Unbind the beiscsi_conn from phba conn table
1326 * @phba: The phba instance
1327 * @cid: The cid to free
1329 static int beiscsi_unbind_conn_to_cid(struct beiscsi_hba *phba,
1332 uint16_t cri_index = BE_GET_CRI_FROM_CID(cid);
1334 if (phba->conn_table[cri_index])
1335 phba->conn_table[cri_index] = NULL;
1337 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
1338 "BS_%d : Connection table Not occupied.\n");
1345 * beiscsi_ep_disconnect - Tears down the TCP connection
1346 * @ep: endpoint to be used
1348 * Tears down the TCP connection
1350 void beiscsi_ep_disconnect(struct iscsi_endpoint *ep)
1352 struct beiscsi_conn *beiscsi_conn;
1353 struct beiscsi_endpoint *beiscsi_ep;
1354 struct beiscsi_hba *phba;
1356 uint8_t mgmt_invalidate_flag, tcp_upload_flag;
1357 unsigned short savecfg_flag = CMD_ISCSI_SESSION_SAVE_CFG_ON_FLASH;
1359 beiscsi_ep = ep->dd_data;
1360 phba = beiscsi_ep->phba;
1361 beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_CONFIG,
1362 "BS_%d : In beiscsi_ep_disconnect for ep_cid = %d\n",
1363 beiscsi_ep->ep_cid);
1365 if (beiscsi_ep->conn) {
1366 beiscsi_conn = beiscsi_ep->conn;
1367 iscsi_suspend_queue(beiscsi_conn->conn);
1368 mgmt_invalidate_flag = ~BEISCSI_NO_RST_ISSUE;
1369 tcp_upload_flag = CONNECTION_UPLOAD_GRACEFUL;
1371 mgmt_invalidate_flag = BEISCSI_NO_RST_ISSUE;
1372 tcp_upload_flag = CONNECTION_UPLOAD_ABORT;
1375 if (phba->state & BE_ADAPTER_PCI_ERR) {
1376 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
1377 "BS_%d : PCI_ERROR Recovery\n");
1381 tag = mgmt_invalidate_connection(phba, beiscsi_ep,
1383 mgmt_invalidate_flag,
1386 beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
1387 "BS_%d : mgmt_invalidate_connection Failed for cid=%d\n",
1388 beiscsi_ep->ep_cid);
1391 beiscsi_mccq_compl_wait(phba, tag, NULL, NULL);
1392 beiscsi_close_conn(beiscsi_ep, tcp_upload_flag);
1394 msleep(BEISCSI_LOGOUT_SYNC_DELAY);
1395 beiscsi_free_ep(beiscsi_ep);
1396 beiscsi_unbind_conn_to_cid(phba, beiscsi_ep->ep_cid);
1397 iscsi_destroy_endpoint(beiscsi_ep->openiscsi_ep);
1400 umode_t be2iscsi_attr_is_visible(int param_type, int param)
1402 switch (param_type) {
1403 case ISCSI_NET_PARAM:
1405 case ISCSI_NET_PARAM_IFACE_ENABLE:
1406 case ISCSI_NET_PARAM_IPV4_ADDR:
1407 case ISCSI_NET_PARAM_IPV4_SUBNET:
1408 case ISCSI_NET_PARAM_IPV4_BOOTPROTO:
1409 case ISCSI_NET_PARAM_IPV4_GW:
1410 case ISCSI_NET_PARAM_IPV6_ADDR:
1411 case ISCSI_NET_PARAM_VLAN_ID:
1412 case ISCSI_NET_PARAM_VLAN_PRIORITY:
1413 case ISCSI_NET_PARAM_VLAN_ENABLED:
1418 case ISCSI_HOST_PARAM:
1420 case ISCSI_HOST_PARAM_HWADDRESS:
1421 case ISCSI_HOST_PARAM_INITIATOR_NAME:
1422 case ISCSI_HOST_PARAM_PORT_STATE:
1423 case ISCSI_HOST_PARAM_PORT_SPEED:
1430 case ISCSI_PARAM_MAX_RECV_DLENGTH:
1431 case ISCSI_PARAM_MAX_XMIT_DLENGTH:
1432 case ISCSI_PARAM_HDRDGST_EN:
1433 case ISCSI_PARAM_DATADGST_EN:
1434 case ISCSI_PARAM_CONN_ADDRESS:
1435 case ISCSI_PARAM_CONN_PORT:
1436 case ISCSI_PARAM_EXP_STATSN:
1437 case ISCSI_PARAM_PERSISTENT_ADDRESS:
1438 case ISCSI_PARAM_PERSISTENT_PORT:
1439 case ISCSI_PARAM_PING_TMO:
1440 case ISCSI_PARAM_RECV_TMO:
1441 case ISCSI_PARAM_INITIAL_R2T_EN:
1442 case ISCSI_PARAM_MAX_R2T:
1443 case ISCSI_PARAM_IMM_DATA_EN:
1444 case ISCSI_PARAM_FIRST_BURST:
1445 case ISCSI_PARAM_MAX_BURST:
1446 case ISCSI_PARAM_PDU_INORDER_EN:
1447 case ISCSI_PARAM_DATASEQ_INORDER_EN:
1448 case ISCSI_PARAM_ERL:
1449 case ISCSI_PARAM_TARGET_NAME:
1450 case ISCSI_PARAM_TPGT:
1451 case ISCSI_PARAM_USERNAME:
1452 case ISCSI_PARAM_PASSWORD:
1453 case ISCSI_PARAM_USERNAME_IN:
1454 case ISCSI_PARAM_PASSWORD_IN:
1455 case ISCSI_PARAM_FAST_ABORT:
1456 case ISCSI_PARAM_ABORT_TMO:
1457 case ISCSI_PARAM_LU_RESET_TMO:
1458 case ISCSI_PARAM_IFACE_NAME:
1459 case ISCSI_PARAM_INITIATOR_NAME: