1 files changed, 66 insertions, 2 deletions

diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index 6ecb4baa37e2..6e510f3cfbf6 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -3536,7 +3536,7 @@ iscsi_session_get_param(struct iscsi_cls_session *cls_session,
                 *value = session->ofmarker_en;
                 break;
         default:
-                return ISCSI_ERR_PARAM_NOT_FOUND;
+                return -EINVAL;
         }
 
         return 0;
@@ -3547,6 +3547,7 @@ iscsi_conn_get_param(struct iscsi_cls_conn *cls_conn,
                      enum iscsi_param param, uint32_t *value)
 {
         struct iscsi_conn *conn = cls_conn->dd_data;
+        struct inet_sock *inet;
 
         switch(param) {
         case ISCSI_PARAM_MAX_RECV_DLENGTH:
@@ -3561,13 +3562,61 @@ iscsi_conn_get_param(struct iscsi_cls_conn *cls_conn,
         case ISCSI_PARAM_DATADGST_EN:
                 *value = conn->datadgst_en;
                 break;
+        case ISCSI_PARAM_CONN_PORT:
+                mutex_lock(&conn->xmitmutex);
+                if (!conn->sock) {
+                        mutex_unlock(&conn->xmitmutex);
+                        return -EINVAL;
+                }
+
+                inet = inet_sk(conn->sock->sk);
+                *value = be16_to_cpu(inet->dport);
+                mutex_unlock(&conn->xmitmutex);
         default:
-                return ISCSI_ERR_PARAM_NOT_FOUND;
+                return -EINVAL;
         }
 
         return 0;
 }
 
+static int
+iscsi_conn_get_str_param(struct iscsi_cls_conn *cls_conn,
+                         enum iscsi_param param, char *buf)
+{
+        struct iscsi_conn *conn = cls_conn->dd_data;
+        struct sock *sk;
+        struct inet_sock *inet;
+        struct ipv6_pinfo *np;
+        int len = 0;
+
+        switch (param) {
+        case ISCSI_PARAM_CONN_ADDRESS:
+                mutex_lock(&conn->xmitmutex);
+                if (!conn->sock) {
+                        mutex_unlock(&conn->xmitmutex);
+                        return -EINVAL;
+                }
+
+                sk = conn->sock->sk;
+                if (sk->sk_family == PF_INET) {
+                        inet = inet_sk(sk);
+                        len = sprintf(buf, "%u.%u.%u.%u\n",
+                                      NIPQUAD(inet->daddr));
+                } else {
+                        np = inet6_sk(sk);
+                        len = sprintf(buf,
+                                "%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x\n",
+                                NIP6(np->daddr));
+                }
+                mutex_unlock(&conn->xmitmutex);
+                break;
+        default:
+                return -EINVAL;
+        }
+
+        return len;
+}
+
 static void
 iscsi_conn_get_stats(struct iscsi_cls_conn *cls_conn, struct iscsi_stats *stats)
 {
@@ -3610,6 +3659,20 @@ static struct iscsi_transport iscsi_tcp_transport = {
         .name                   = "tcp",
         .caps                   = CAP_RECOVERY_L0 | CAP_MULTI_R2T | CAP_HDRDGST
                                   | CAP_DATADGST,
+        .param_mask             = ISCSI_MAX_RECV_DLENGTH |
+                                  ISCSI_MAX_XMIT_DLENGTH |
+                                  ISCSI_HDRDGST_EN |
+                                  ISCSI_DATADGST_EN |
+                                  ISCSI_INITIAL_R2T_EN |
+                                  ISCSI_MAX_R2T |
+                                  ISCSI_IMM_DATA_EN |
+                                  ISCSI_FIRST_BURST |
+                                  ISCSI_MAX_BURST |
+                                  ISCSI_PDU_INORDER_EN |
+                                  ISCSI_DATASEQ_INORDER_EN |
+                                  ISCSI_ERL |
+                                  ISCSI_CONN_PORT |
+                                  ISCSI_CONN_ADDRESS,
         .host_template          = &iscsi_sht,
         .hostdata_size          = sizeof(struct iscsi_session),
         .conndata_size          = sizeof(struct iscsi_conn),
@@ -3622,6 +3685,7 @@ static struct iscsi_transport iscsi_tcp_transport = {
         .destroy_conn           = iscsi_conn_destroy,
         .set_param              = iscsi_conn_set_param,
         .get_conn_param         = iscsi_conn_get_param,
+        .get_conn_str_param     = iscsi_conn_get_str_param,
         .get_session_param      = iscsi_session_get_param,
         .start_conn             = iscsi_conn_start,
         .stop_conn              = iscsi_conn_stop,