From: Mike Christie <[email protected]>

This just has iscsi_tcp support ISCSI_PARAM_LOCAL_PORT which
exports the local port being used by the iscsi connection.

Signed-off-by: Mike Christie <[email protected]>
---
 drivers/scsi/iscsi_tcp.c |   10 ++++++++--
 drivers/scsi/libiscsi.c  |    1 +
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index a669f2d..427af0f 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -726,13 +726,18 @@ static int iscsi_sw_tcp_conn_get_param(struct 
iscsi_cls_conn *cls_conn,
        switch(param) {
        case ISCSI_PARAM_CONN_PORT:
        case ISCSI_PARAM_CONN_ADDRESS:
+       case ISCSI_PARAM_LOCAL_PORT:
                spin_lock_bh(&conn->session->frwd_lock);
                if (!tcp_sw_conn || !tcp_sw_conn->sock) {
                        spin_unlock_bh(&conn->session->frwd_lock);
                        return -ENOTCONN;
                }
-               rc = kernel_getpeername(tcp_sw_conn->sock,
-                                       (struct sockaddr *)&addr, &len);
+               if (param == ISCSI_PARAM_LOCAL_PORT)
+                       rc = kernel_getsockname(tcp_sw_conn->sock,
+                                               (struct sockaddr *)&addr, &len);
+               else
+                       rc = kernel_getpeername(tcp_sw_conn->sock,
+                                               (struct sockaddr *)&addr, &len);
                spin_unlock_bh(&conn->session->frwd_lock);
                if (rc)
                        return rc;
@@ -895,6 +900,7 @@ static umode_t iscsi_sw_tcp_attr_is_visible(int param_type, 
int param)
                case ISCSI_PARAM_DATADGST_EN:
                case ISCSI_PARAM_CONN_ADDRESS:
                case ISCSI_PARAM_CONN_PORT:
+               case ISCSI_PARAM_LOCAL_PORT:
                case ISCSI_PARAM_EXP_STATSN:
                case ISCSI_PARAM_PERSISTENT_ADDRESS:
                case ISCSI_PARAM_PERSISTENT_PORT:
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 191b597..0d8bc6c 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -3505,6 +3505,7 @@ int iscsi_conn_get_addr_param(struct sockaddr_storage 
*addr,
                        len = sprintf(buf, "%pI6\n", &sin6->sin6_addr);
                break;
        case ISCSI_PARAM_CONN_PORT:
+       case ISCSI_PARAM_LOCAL_PORT:
                if (sin)
                        len = sprintf(buf, "%hu\n", be16_to_cpu(sin->sin_port));
                else
-- 
1.7.1

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