From: Adheer Chandravanshi <adheer.chandravanshi@xxxxxxxxxx>
Exporting new iSCSI Session and Connection parameters to sysfs
Signed-off-by: Adheer Chandravanshi <adheer.chandravanshi@xxxxxxxxxx>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@xxxxxxxxxx>
---
drivers/scsi/scsi_transport_iscsi.c | 135 +++++++++++++++++++++++++++++++++++-
include/scsi/iscsi_if.h | 36 ++++++++++
2 files changed, 170 insertions(+), 1 deletion(-)
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 315c8b6..bfaeaf3 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -25,7 +25,6 @@
#include <linux/slab.h>
#include <linux/bsg-lib.h>
#include <linux/idr.h>
-#include <linux/list.h>
#include <net/tcp.h>
#include <scsi/scsi.h>
#include <scsi/scsi_host.h>
@@ -3656,6 +3655,26 @@ iscsi_conn_attr(exp_statsn, ISCSI_PARAM_EXP_STATSN);
iscsi_conn_attr(persistent_address, ISCSI_PARAM_PERSISTENT_ADDRESS);
iscsi_conn_attr(ping_tmo, ISCSI_PARAM_PING_TMO);
iscsi_conn_attr(recv_tmo, ISCSI_PARAM_RECV_TMO);
+iscsi_conn_attr(local_port, ISCSI_PARAM_LOCAL_PORT);
+iscsi_conn_attr(redirect_ipaddr, ISCSI_PARAM_REDIRECT_IPADDR);
+iscsi_conn_attr(statsn, ISCSI_PARAM_STATSN);
+iscsi_conn_attr(keepalive_tmo, ISCSI_PARAM_KEEPALIVE_TMO);
+iscsi_conn_attr(max_segment_size, ISCSI_PARAM_MAX_SEGMENT_SIZE);
+iscsi_conn_attr(snack_req, ISCSI_PARAM_SNACK_REQ_EN);
+iscsi_conn_attr(tcp_timestamp_stat, ISCSI_PARAM_TCP_TIMESTAMP_STAT);
+iscsi_conn_attr(tcp_wsf_disable, ISCSI_PARAM_TCP_WSF_DISABLE);
+iscsi_conn_attr(tcp_nagle_disable, ISCSI_PARAM_TCP_NAGLE_DISABLE);
+iscsi_conn_attr(tcp_timer_scale, ISCSI_PARAM_TCP_TIMER_SCALE);
+iscsi_conn_attr(tcp_timestamp_enable, ISCSI_PARAM_TCP_TIMESTAMP_EN);
+iscsi_conn_attr(fragment_disable, ISCSI_PARAM_IP_FRAGMENT_DISABLE);
+iscsi_conn_attr(ipv4_tos, ISCSI_PARAM_IPV4_TOS);
+iscsi_conn_attr(ipv6_traffic_class, ISCSI_PARAM_IPV6_TC);
+iscsi_conn_attr(ipv6_flow_label, ISCSI_PARAM_IPV6_FLOW_LABEL);
+iscsi_conn_attr(is_fw_assigned_ipv6, ISCSI_PARAM_IS_FW_ASSIGNED_IPV6);
+iscsi_conn_attr(link_local_ipv6, ISCSI_PARAM_LINK_LOCAL_IPV6);
+iscsi_conn_attr(tcp_xmit_wsf, ISCSI_PARAM_TCP_XMIT_WSF);
+iscsi_conn_attr(tcp_recv_wsf, ISCSI_PARAM_TCP_RECV_WSF);
+
#define iscsi_conn_ep_attr_show(param) \
static ssize_t show_conn_ep_param_##param(struct device *dev, \
@@ -3708,6 +3727,25 @@ static struct attribute *iscsi_conn_attrs[] = {
&dev_attr_conn_persistent_port.attr,
&dev_attr_conn_ping_tmo.attr,
&dev_attr_conn_recv_tmo.attr,
+ &dev_attr_conn_local_port.attr,
+ &dev_attr_conn_redirect_ipaddr.attr,
+ &dev_attr_conn_statsn.attr,
+ &dev_attr_conn_keepalive_tmo.attr,
+ &dev_attr_conn_max_segment_size.attr,
+ &dev_attr_conn_snack_req.attr,
+ &dev_attr_conn_tcp_timestamp_stat.attr,
+ &dev_attr_conn_tcp_wsf_disable.attr,
+ &dev_attr_conn_tcp_nagle_disable.attr,
+ &dev_attr_conn_tcp_timer_scale.attr,
+ &dev_attr_conn_tcp_timestamp_enable.attr,
+ &dev_attr_conn_fragment_disable.attr,
+ &dev_attr_conn_ipv4_tos.attr,
+ &dev_attr_conn_ipv6_traffic_class.attr,
+ &dev_attr_conn_ipv6_flow_label.attr,
+ &dev_attr_conn_is_fw_assigned_ipv6.attr,
+ &dev_attr_conn_link_local_ipv6.attr,
+ &dev_attr_conn_tcp_xmit_wsf.attr,
+ &dev_attr_conn_tcp_recv_wsf.attr,
NULL,
};
@@ -3745,6 +3783,44 @@ static umode_t iscsi_conn_attr_is_visible(struct kobject *kobj,
param = ISCSI_PARAM_PING_TMO;
else if (attr == &dev_attr_conn_recv_tmo.attr)
param = ISCSI_PARAM_RECV_TMO;
+ else if (attr == &dev_attr_conn_local_port.attr)
+ param = ISCSI_PARAM_LOCAL_PORT;
+ else if (attr == &dev_attr_conn_redirect_ipaddr.attr)
+ param = ISCSI_PARAM_REDIRECT_IPADDR;
+ else if (attr == &dev_attr_conn_statsn.attr)
+ param = ISCSI_PARAM_STATSN;
+ else if (attr == &dev_attr_conn_keepalive_tmo.attr)
+ param = ISCSI_PARAM_KEEPALIVE_TMO;
+ else if (attr == &dev_attr_conn_max_segment_size.attr)
+ param = ISCSI_PARAM_MAX_SEGMENT_SIZE;
+ else if (attr == &dev_attr_conn_snack_req.attr)
+ param = ISCSI_PARAM_SNACK_REQ_EN;
+ else if (attr == &dev_attr_conn_tcp_timestamp_stat.attr)
+ param = ISCSI_PARAM_TCP_TIMESTAMP_STAT;
+ else if (attr == &dev_attr_conn_tcp_wsf_disable.attr)
+ param = ISCSI_PARAM_TCP_WSF_DISABLE;
+ else if (attr == &dev_attr_conn_tcp_nagle_disable.attr)
+ param = ISCSI_PARAM_TCP_NAGLE_DISABLE;
+ else if (attr == &dev_attr_conn_tcp_timer_scale.attr)
+ param = ISCSI_PARAM_TCP_TIMER_SCALE;
+ else if (attr == &dev_attr_conn_tcp_timestamp_enable.attr)
+ param = ISCSI_PARAM_TCP_TIMESTAMP_EN;
+ else if (attr == &dev_attr_conn_fragment_disable.attr)
+ param = ISCSI_PARAM_IP_FRAGMENT_DISABLE;
+ else if (attr == &dev_attr_conn_ipv4_tos.attr)
+ param = ISCSI_PARAM_IPV4_TOS;
+ else if (attr == &dev_attr_conn_ipv6_traffic_class.attr)
+ param = ISCSI_PARAM_IPV6_TC;
+ else if (attr == &dev_attr_conn_ipv6_flow_label.attr)
+ param = ISCSI_PARAM_IPV6_FLOW_LABEL;
+ else if (attr == &dev_attr_conn_is_fw_assigned_ipv6.attr)
+ param = ISCSI_PARAM_IS_FW_ASSIGNED_IPV6;
+ else if (attr == &dev_attr_conn_link_local_ipv6.attr)
+ param = ISCSI_PARAM_LINK_LOCAL_IPV6;
+ else if (attr == &dev_attr_conn_tcp_xmit_wsf.attr)
+ param = ISCSI_PARAM_TCP_XMIT_WSF;
+ else if (attr == &dev_attr_conn_tcp_recv_wsf.attr)
+ param = ISCSI_PARAM_TCP_RECV_WSF;
else {
WARN_ONCE(1, "Invalid conn attr");
return 0;
@@ -3802,6 +3878,21 @@ iscsi_session_attr(tgt_reset_tmo, ISCSI_PARAM_TGT_RESET_TMO, 0);
iscsi_session_attr(ifacename, ISCSI_PARAM_IFACE_NAME, 0);
iscsi_session_attr(initiatorname, ISCSI_PARAM_INITIATOR_NAME, 0);
iscsi_session_attr(targetalias, ISCSI_PARAM_TARGET_ALIAS, 0);
+iscsi_session_attr(auto_snd_tgt_disable, ISCSI_PARAM_AUTO_SND_TGT_DISABLE, 0);
+iscsi_session_attr(discovery_session, ISCSI_PARAM_DISCOVERY_SESS, 0);
+iscsi_session_attr(portal_type, ISCSI_PARAM_PORTAL_TYPE, 0);
+iscsi_session_attr(chap_auth, ISCSI_PARAM_CHAP_AUTH_EN, 0);
+iscsi_session_attr(discovery_logout, ISCSI_PARAM_DISCOVERY_LOGOUT_EN, 0);
+iscsi_session_attr(bidi_chap, ISCSI_PARAM_BIDI_CHAP_EN, 0);
+iscsi_session_attr(discovery_auth_optional,
+ ISCSI_PARAM_DISCOVERY_AUTH_OPTIONAL, 0);
+iscsi_session_attr(def_time2wait, ISCSI_PARAM_DEF_TIME2WAIT, 0);
+iscsi_session_attr(def_time2retain, ISCSI_PARAM_DEF_TIME2RETAIN, 0);
+iscsi_session_attr(isid, ISCSI_PARAM_ISID, 0);
+iscsi_session_attr(tsid, ISCSI_PARAM_TSID, 0);
+iscsi_session_attr(def_taskmgmt_tmo, ISCSI_PARAM_DEF_TASKMGMT_TMO, 0);
+iscsi_session_attr(discovery_parent_idx, ISCSI_PARAM_DISCOVERY_PARENT_IDX, 0);
+iscsi_session_attr(discovery_parent_type, ISCSI_PARAM_DISCOVERY_PARENT_TYPE, 0);
static ssize_t
show_priv_session_state(struct device *dev, struct device_attribute *attr,
@@ -3903,6 +3994,20 @@ static struct attribute *iscsi_session_attrs[] = {
&dev_attr_sess_chap_out_idx.attr,
&dev_attr_sess_chap_in_idx.attr,
&dev_attr_priv_sess_target_id.attr,
+ &dev_attr_sess_auto_snd_tgt_disable.attr,
+ &dev_attr_sess_discovery_session.attr,
+ &dev_attr_sess_portal_type.attr,
+ &dev_attr_sess_chap_auth.attr,
+ &dev_attr_sess_discovery_logout.attr,
+ &dev_attr_sess_bidi_chap.attr,
+ &dev_attr_sess_discovery_auth_optional.attr,
+ &dev_attr_sess_def_time2wait.attr,
+ &dev_attr_sess_def_time2retain.attr,
+ &dev_attr_sess_isid.attr,
+ &dev_attr_sess_tsid.attr,
+ &dev_attr_sess_def_taskmgmt_tmo.attr,
+ &dev_attr_sess_discovery_parent_idx.attr,
+ &dev_attr_sess_discovery_parent_type.attr,
NULL,
};
@@ -3960,6 +4065,34 @@ static umode_t iscsi_session_attr_is_visible(struct kobject *kobj,
param = ISCSI_PARAM_INITIATOR_NAME;
else if (attr == &dev_attr_sess_targetalias.attr)
param = ISCSI_PARAM_TARGET_ALIAS;
+ else if (attr == &dev_attr_sess_auto_snd_tgt_disable.attr)
+ param = ISCSI_PARAM_AUTO_SND_TGT_DISABLE;
+ else if (attr == &dev_attr_sess_discovery_session.attr)
+ param = ISCSI_PARAM_DISCOVERY_SESS;
+ else if (attr == &dev_attr_sess_portal_type.attr)
+ param = ISCSI_PARAM_PORTAL_TYPE;
+ else if (attr == &dev_attr_sess_chap_auth.attr)
+ param = ISCSI_PARAM_CHAP_AUTH_EN;
+ else if (attr == &dev_attr_sess_discovery_logout.attr)
+ param = ISCSI_PARAM_DISCOVERY_LOGOUT_EN;
+ else if (attr == &dev_attr_sess_bidi_chap.attr)
+ param = ISCSI_PARAM_BIDI_CHAP_EN;
+ else if (attr == &dev_attr_sess_discovery_auth_optional.attr)
+ param = ISCSI_PARAM_DISCOVERY_AUTH_OPTIONAL;
+ else if (attr == &dev_attr_sess_def_time2wait.attr)
+ param = ISCSI_PARAM_DEF_TIME2WAIT;
+ else if (attr == &dev_attr_sess_def_time2retain.attr)
+ param = ISCSI_PARAM_DEF_TIME2RETAIN;
+ else if (attr == &dev_attr_sess_isid.attr)
+ param = ISCSI_PARAM_ISID;
+ else if (attr == &dev_attr_sess_tsid.attr)
+ param = ISCSI_PARAM_TSID;
+ else if (attr == &dev_attr_sess_def_taskmgmt_tmo.attr)
+ param = ISCSI_PARAM_DEF_TASKMGMT_TMO;
+ else if (attr == &dev_attr_sess_discovery_parent_idx.attr)
+ param = ISCSI_PARAM_DISCOVERY_PARENT_IDX;
+ else if (attr == &dev_attr_sess_discovery_parent_type.attr)
+ param = ISCSI_PARAM_DISCOVERY_PARENT_TYPE;
else if (attr == &dev_attr_priv_sess_recovery_tmo.attr)
return S_IRUGO | S_IWUSR;
else if (attr == &dev_attr_priv_sess_state.attr)
diff --git a/include/scsi/iscsi_if.h b/include/scsi/iscsi_if.h
index c2ee3b3..6622dea 100644
--- a/include/scsi/iscsi_if.h
+++ b/include/scsi/iscsi_if.h
@@ -567,6 +567,42 @@ enum iscsi_param {
ISCSI_PARAM_CHAP_IN_IDX,
ISCSI_PARAM_CHAP_OUT_IDX,
+
+ ISCSI_PARAM_AUTO_SND_TGT_DISABLE,
+ ISCSI_PARAM_DISCOVERY_SESS,
+ ISCSI_PARAM_PORTAL_TYPE,
+ ISCSI_PARAM_CHAP_AUTH_EN,
+ ISCSI_PARAM_DISCOVERY_LOGOUT_EN,
+ ISCSI_PARAM_BIDI_CHAP_EN,
+ ISCSI_PARAM_DISCOVERY_AUTH_OPTIONAL,
+
+ ISCSI_PARAM_DEF_TIME2WAIT,
+ ISCSI_PARAM_DEF_TIME2RETAIN,
+ ISCSI_PARAM_MAX_SEGMENT_SIZE,
+ ISCSI_PARAM_SNACK_REQ_EN,
+ ISCSI_PARAM_STATSN,
+ ISCSI_PARAM_KEEPALIVE_TMO,
+ ISCSI_PARAM_LOCAL_PORT,
+ ISCSI_PARAM_REDIRECT_IPADDR,
+ ISCSI_PARAM_TSID,
+ ISCSI_PARAM_DEF_TASKMGMT_TMO,
+
+ ISCSI_PARAM_TCP_TIMESTAMP_STAT,
+ ISCSI_PARAM_TCP_WSF_DISABLE,
+ ISCSI_PARAM_TCP_NAGLE_DISABLE,
+ ISCSI_PARAM_TCP_TIMER_SCALE,
+ ISCSI_PARAM_TCP_TIMESTAMP_EN,
+ ISCSI_PARAM_TCP_XMIT_WSF,
+ ISCSI_PARAM_TCP_RECV_WSF,
+ ISCSI_PARAM_IP_FRAGMENT_DISABLE,
+ ISCSI_PARAM_IPV4_TOS,
+ ISCSI_PARAM_IPV6_TC,
+ ISCSI_PARAM_IPV6_FLOW_LABEL,
+ ISCSI_PARAM_IS_FW_ASSIGNED_IPV6,
+ ISCSI_PARAM_LINK_LOCAL_IPV6,
+
+ ISCSI_PARAM_DISCOVERY_PARENT_IDX,
+ ISCSI_PARAM_DISCOVERY_PARENT_TYPE,
/* must always be last */
ISCSI_PARAM_MAX,
};
--
1.8.2.GIT
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