[SCSI] iscsi class, qla4xxx, iscsi_tcp: export local address

This patch exports the local address for the session. For
qla4xxx this is the ip of the hba's port. For software
this is the src addr of the socket.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Cc: David C Somayajulu <david.somayajulu@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

2 files changed, 10 insertions, 0 deletions

diff --git a/include/scsi/iscsi_if.h b/include/scsi/iscsi_if.h
index 81a542506dfe..642998069e00 100644
--- a/include/scsi/iscsi_if.h
+++ b/include/scsi/iscsi_if.h
@@ -271,11 +271,13 @@ enum iscsi_param {
 enum iscsi_host_param {
         ISCSI_HOST_PARAM_HWADDRESS,
         ISCSI_HOST_PARAM_INITIATOR_NAME,
+        ISCSI_HOST_PARAM_IPADDRESS,
         ISCSI_HOST_PARAM_MAX,
 };
 
 #define ISCSI_HOST_HWADDRESS            (1 << ISCSI_HOST_PARAM_HWADDRESS)
 #define ISCSI_HOST_INITIATOR_NAME       (1 << ISCSI_HOST_PARAM_INITIATOR_NAME)
+#define ISCSI_HOST_IPADDRESS            (1 << ISCSI_HOST_PARAM_IPADDRESS)
 
 #define iscsi_ptr(_handle) ((void*)(unsigned long)_handle)
 #define iscsi_handle(_ptr) ((uint64_t)(unsigned long)_ptr)
diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h
index 2f303a3b270e..eea33f7b1544 100644
--- a/include/scsi/libiscsi.h
+++ b/include/scsi/libiscsi.h
@@ -72,6 +72,8 @@ struct iscsi_nopin;
 #define ISCSI_AGE_SHIFT                 28
 #define ISCSI_AGE_MASK                  (0xf << ISCSI_AGE_SHIFT)
 
+#define ISCSI_ADDRESS_BUF_LEN           64
+
 struct iscsi_mgmt_task {
         /*
          * Becuae LLDs allocate their hdr differently, this is a pointer to
@@ -174,6 +176,12 @@ struct iscsi_conn {
         /* values userspace uses to id a conn */
         int                     persistent_port;
         char                    *persistent_address;
+        /* remote portal currently connected to */
+        int                     portal_port;
+        char                    portal_address[ISCSI_ADDRESS_BUF_LEN];
+        /* local address */
+        int                     local_port;
+        char                    local_address[ISCSI_ADDRESS_BUF_LEN];
 
         /* MIB-statistics */
         uint64_t                txdata_octets;