cxgb3: add control to access embedded images

Update contol path between cxgb3 and ULP modules (iWARP, iSCSI)
to provide access to firware and protocol engine info.

Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2 files changed, 19 insertions, 0 deletions

diff --git a/drivers/net/cxgb3/cxgb3_ctl_defs.h b/drivers/net/cxgb3/cxgb3_ctl_defs.h
index 55099eb3c70e..369fe711fd7f 100644
--- a/drivers/net/cxgb3/cxgb3_ctl_defs.h
+++ b/drivers/net/cxgb3/cxgb3_ctl_defs.h
@@ -58,6 +58,8 @@ enum {
 
         GET_RX_PAGE_INFO        = 50,
         GET_ISCSI_IPV4ADDR      = 51,
+
+        GET_EMBEDDED_INFO       = 70,
 };
 
 /*
@@ -176,4 +178,12 @@ struct ofld_page_info {
         unsigned int page_size;  /* Page size, should be a power of 2 */
         unsigned int num;        /* Number of pages */
 };
+
+/*
+ * Structure used to get firmware and protocol engine versions.
+ */
+struct ch_embedded_info {
+        u32 fw_vers;
+        u32 tp_vers;
+};
 #endif                          /* _CXGB3_OFFLOAD_CTL_DEFS_H */
diff --git a/drivers/net/cxgb3/cxgb3_offload.c b/drivers/net/cxgb3/cxgb3_offload.c
index 1ce69b742804..2d7f69aff1d9 100644
--- a/drivers/net/cxgb3/cxgb3_offload.c
+++ b/drivers/net/cxgb3/cxgb3_offload.c
@@ -438,6 +438,15 @@ static int cxgb_offload_ctl(struct t3cdev *tdev, unsigned int req, void *data)
                 p->ipv4addr = pi->iscsi_ipv4addr;
                 break;
         }
+        case GET_EMBEDDED_INFO: {
+                struct ch_embedded_info *e = data;
+
+                spin_lock(&adapter->stats_lock);
+                t3_get_fw_version(adapter, &e->fw_vers);
+                t3_get_tp_version(adapter, &e->tp_vers);
+                spin_unlock(&adapter->stats_lock);
+                break;
+        }
         default:
                 return -EOPNOTSUPP;
         }