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authorAdheer Chandravanshi <adheer.chandravanshi@qlogic.com>2013-07-01 05:54:12 -0400
committerJames Bottomley <JBottomley@Parallels.com>2013-08-23 13:10:16 -0400
commitf8525eb4cff0c5df5b513a5f30ffebcda43460bb (patch)
tree55669dbdca5a853f6d0dd8b0ea98a3be29c28e82
parentae542edb11c79706cd74d7bd54ebd7702965a7f3 (diff)
[SCSI] libiscsi: Exporting new attrs for iscsi session and connection in sysfs
Signed-off-by: Adheer Chandravanshi <adheer.chandravanshi@qlogic.com> Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
-rw-r--r--drivers/scsi/libiscsi.c97
-rw-r--r--include/scsi/libiscsi.h31
2 files changed, 128 insertions, 0 deletions
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index ae69dfcc7834..86153e087e81 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -2812,6 +2812,8 @@ void iscsi_session_teardown(struct iscsi_cls_session *cls_session)
kfree(session->boot_nic);
kfree(session->boot_target);
kfree(session->ifacename);
+ kfree(session->portal_type);
+ kfree(session->discovery_parent_type);
iscsi_destroy_session(cls_session);
iscsi_host_dec_session_cnt(shost);
@@ -3257,6 +3259,11 @@ int iscsi_set_param(struct iscsi_cls_conn *cls_conn,
return iscsi_switch_str_param(&session->boot_nic, buf);
case ISCSI_PARAM_BOOT_TARGET:
return iscsi_switch_str_param(&session->boot_target, buf);
+ case ISCSI_PARAM_PORTAL_TYPE:
+ return iscsi_switch_str_param(&session->portal_type, buf);
+ case ISCSI_PARAM_DISCOVERY_PARENT_TYPE:
+ return iscsi_switch_str_param(&session->discovery_parent_type,
+ buf);
default:
return -ENOSYS;
}
@@ -3343,6 +3350,51 @@ int iscsi_session_get_param(struct iscsi_cls_session *cls_session,
break;
case ISCSI_PARAM_BOOT_TARGET:
len = sprintf(buf, "%s\n", session->boot_target);
+ case ISCSI_PARAM_AUTO_SND_TGT_DISABLE:
+ len = sprintf(buf, "%u\n", session->auto_snd_tgt_disable);
+ break;
+ case ISCSI_PARAM_DISCOVERY_SESS:
+ len = sprintf(buf, "%u\n", session->discovery_sess);
+ break;
+ case ISCSI_PARAM_PORTAL_TYPE:
+ len = sprintf(buf, "%s\n", session->portal_type);
+ break;
+ case ISCSI_PARAM_CHAP_AUTH_EN:
+ len = sprintf(buf, "%u\n", session->chap_auth_en);
+ break;
+ case ISCSI_PARAM_DISCOVERY_LOGOUT_EN:
+ len = sprintf(buf, "%u\n", session->discovery_logout_en);
+ break;
+ case ISCSI_PARAM_BIDI_CHAP_EN:
+ len = sprintf(buf, "%u\n", session->bidi_chap_en);
+ break;
+ case ISCSI_PARAM_DISCOVERY_AUTH_OPTIONAL:
+ len = sprintf(buf, "%u\n", session->discovery_auth_optional);
+ break;
+ case ISCSI_PARAM_DEF_TIME2WAIT:
+ len = sprintf(buf, "%d\n", session->time2wait);
+ break;
+ case ISCSI_PARAM_DEF_TIME2RETAIN:
+ len = sprintf(buf, "%d\n", session->time2retain);
+ break;
+ case ISCSI_PARAM_TSID:
+ len = sprintf(buf, "%u\n", session->tsid);
+ break;
+ case ISCSI_PARAM_ISID:
+ len = sprintf(buf, "%02x%02x%02x%02x%02x%02x\n",
+ session->isid[0], session->isid[1],
+ session->isid[2], session->isid[3],
+ session->isid[4], session->isid[5]);
+ break;
+ case ISCSI_PARAM_DISCOVERY_PARENT_IDX:
+ len = sprintf(buf, "%u\n", session->discovery_parent_idx);
+ break;
+ case ISCSI_PARAM_DISCOVERY_PARENT_TYPE:
+ if (session->discovery_parent_type)
+ len = sprintf(buf, "%s\n",
+ session->discovery_parent_type);
+ else
+ len = sprintf(buf, "\n");
break;
default:
return -ENOSYS;
@@ -3433,6 +3485,51 @@ int iscsi_conn_get_param(struct iscsi_cls_conn *cls_conn,
case ISCSI_PARAM_PERSISTENT_ADDRESS:
len = sprintf(buf, "%s\n", conn->persistent_address);
break;
+ case ISCSI_PARAM_STATSN:
+ len = sprintf(buf, "%u\n", conn->statsn);
+ break;
+ case ISCSI_PARAM_MAX_SEGMENT_SIZE:
+ len = sprintf(buf, "%u\n", conn->max_segment_size);
+ break;
+ case ISCSI_PARAM_KEEPALIVE_TMO:
+ len = sprintf(buf, "%u\n", conn->keepalive_tmo);
+ break;
+ case ISCSI_PARAM_LOCAL_PORT:
+ len = sprintf(buf, "%u\n", conn->local_port);
+ break;
+ case ISCSI_PARAM_TCP_TIMESTAMP_STAT:
+ len = sprintf(buf, "%u\n", conn->tcp_timestamp_stat);
+ break;
+ case ISCSI_PARAM_TCP_NAGLE_DISABLE:
+ len = sprintf(buf, "%u\n", conn->tcp_nagle_disable);
+ break;
+ case ISCSI_PARAM_TCP_WSF_DISABLE:
+ len = sprintf(buf, "%u\n", conn->tcp_wsf_disable);
+ break;
+ case ISCSI_PARAM_TCP_TIMER_SCALE:
+ len = sprintf(buf, "%u\n", conn->tcp_timer_scale);
+ break;
+ case ISCSI_PARAM_TCP_TIMESTAMP_EN:
+ len = sprintf(buf, "%u\n", conn->tcp_timestamp_en);
+ break;
+ case ISCSI_PARAM_IP_FRAGMENT_DISABLE:
+ len = sprintf(buf, "%u\n", conn->fragment_disable);
+ break;
+ case ISCSI_PARAM_IPV4_TOS:
+ len = sprintf(buf, "%u\n", conn->ipv4_tos);
+ break;
+ case ISCSI_PARAM_IPV6_TC:
+ len = sprintf(buf, "%u\n", conn->ipv6_traffic_class);
+ break;
+ case ISCSI_PARAM_IS_FW_ASSIGNED_IPV6:
+ len = sprintf(buf, "%u\n", conn->is_fw_assigned_ipv6);
+ break;
+ case ISCSI_PARAM_TCP_XMIT_WSF:
+ len = sprintf(buf, "%u\n", conn->tcp_xmit_wsf);
+ break;
+ case ISCSI_PARAM_TCP_RECV_WSF:
+ len = sprintf(buf, "%u\n", conn->tcp_recv_wsf);
+ break;
default:
return -ENOSYS;
}
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index 4265a4bb83cd..6ac9e17acdc4 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -62,6 +62,8 @@ enum {
TMF_NOT_FOUND,
};
+#define ISID_SIZE 6
+
/* Connection suspend "bit" */
#define ISCSI_SUSPEND_BIT 1
@@ -173,6 +175,7 @@ struct iscsi_conn {
/* iSCSI connection-wide sequencing */
uint32_t exp_statsn;
+ uint32_t statsn;
/* control data */
int id; /* CID */
@@ -213,6 +216,22 @@ struct iscsi_conn {
int persistent_port;
char *persistent_address;
+ unsigned max_segment_size;
+ unsigned tcp_xmit_wsf;
+ unsigned tcp_recv_wsf;
+ uint16_t keepalive_tmo;
+ uint16_t local_port;
+ uint8_t tcp_timestamp_stat;
+ uint8_t tcp_nagle_disable;
+ uint8_t tcp_wsf_disable;
+ uint8_t tcp_timer_scale;
+ uint8_t tcp_timestamp_en;
+ uint8_t fragment_disable;
+ uint8_t ipv4_tos;
+ uint8_t ipv6_traffic_class;
+ uint8_t ipv6_flow_label;
+ uint8_t is_fw_assigned_ipv6;
+
/* MIB-statistics */
uint64_t txdata_octets;
uint64_t rxdata_octets;
@@ -290,6 +309,18 @@ struct iscsi_session {
char *boot_root;
char *boot_nic;
char *boot_target;
+ char *portal_type;
+ char *discovery_parent_type;
+ uint16_t discovery_parent_idx;
+ uint16_t def_taskmgmt_tmo;
+ uint16_t tsid;
+ uint8_t auto_snd_tgt_disable;
+ uint8_t discovery_sess;
+ uint8_t chap_auth_en;
+ uint8_t discovery_logout_en;
+ uint8_t bidi_chap_en;
+ uint8_t discovery_auth_optional;
+ uint8_t isid[ISID_SIZE];
/* control data */
struct iscsi_transport *tt;