[SCSI] iser: export addr and port

This pactch has iser export the address and port
of the endpoint.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

1 files changed, 26 insertions, 0 deletions

diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c
index 7b2fc98e2f2b..8db008de5392 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.c
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.c
@@ -532,6 +532,29 @@ iscsi_iser_conn_get_stats(struct iscsi_cls_conn *cls_conn, struct iscsi_stats *s
         stats->custom[3].value = conn->fmr_unalign_cnt;
 }
 
+static int iscsi_iser_get_ep_param(struct iscsi_endpoint *ep,
+                                   enum iscsi_param param, char *buf)
+{
+        struct iser_conn *ib_conn = ep->dd_data;
+        int len;
+
+        switch (param) {
+        case ISCSI_PARAM_CONN_PORT:
+        case ISCSI_PARAM_CONN_ADDRESS:
+                if (!ib_conn || !ib_conn->cma_id)
+                        return -ENOTCONN;
+
+                return iscsi_conn_get_addr_param((struct sockaddr_storage *)
+                                        &ib_conn->cma_id->route.addr.dst_addr,
+                                        param, buf);
+                break;
+        default:
+                return -ENOSYS;
+        }
+
+        return len;
+}
+
 static struct iscsi_endpoint *
 iscsi_iser_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr,
                       int non_blocking)
@@ -637,6 +660,8 @@ static struct iscsi_transport iscsi_iser_transport = {
                                   ISCSI_MAX_BURST |
                                   ISCSI_PDU_INORDER_EN |
                                   ISCSI_DATASEQ_INORDER_EN |
+                                  ISCSI_CONN_PORT |
+                                  ISCSI_CONN_ADDRESS |
                                   ISCSI_EXP_STATSN |
                                   ISCSI_PERSISTENT_PORT |
                                   ISCSI_PERSISTENT_ADDRESS |
@@ -659,6 +684,7 @@ static struct iscsi_transport iscsi_iser_transport = {
         .destroy_conn           = iscsi_iser_conn_destroy,
         .set_param              = iscsi_iser_set_param,
         .get_conn_param         = iscsi_conn_get_param,
+        .get_ep_param           = iscsi_iser_get_ep_param,
         .get_session_param      = iscsi_session_get_param,
         .start_conn             = iscsi_iser_conn_start,
         .stop_conn              = iscsi_iser_conn_stop,