IPoIB: Add version and firmware info to ethtool reporting

Implement version info as well as report firmware version and bus info
of the underlying IB HW device.

Signed-off-by: Yan Burman <yanb@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>

3 files changed, 25 insertions, 1 deletions

diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h
index a7ac0977cb5e..eb71aaa26a9a 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib.h
+++ b/drivers/infiniband/ulp/ipoib/ipoib.h
@@ -762,4 +762,6 @@ extern int ipoib_debug_level;
 
 #define IPOIB_QPN(ha) (be32_to_cpup((__be32 *) ha) & 0xffffff)
 
+extern const char ipoib_driver_version[];
+
 #endif /* _IPOIB_H */
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c b/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
index 29bc7b5724ac..c4b3940845e6 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_ethtool.c
@@ -39,7 +39,24 @@
 static void ipoib_get_drvinfo(struct net_device *netdev,
                               struct ethtool_drvinfo *drvinfo)
 {
-        strncpy(drvinfo->driver, "ipoib", sizeof(drvinfo->driver) - 1);
+        struct ipoib_dev_priv *priv = netdev_priv(netdev);
+        struct ib_device_attr *attr;
+
+        attr = kmalloc(sizeof(*attr), GFP_KERNEL);
+        if (attr && !ib_query_device(priv->ca, attr))
+                snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
+                         "%d.%d.%d", (int)(attr->fw_ver >> 32),
+                         (int)(attr->fw_ver >> 16) & 0xffff,
+                         (int)attr->fw_ver & 0xffff);
+        kfree(attr);
+
+        strlcpy(drvinfo->bus_info, dev_name(priv->ca->dma_device),
+                sizeof(drvinfo->bus_info));
+
+        strlcpy(drvinfo->version, ipoib_driver_version,
+                sizeof(drvinfo->version));
+
+        strlcpy(drvinfo->driver, "ib_ipoib", sizeof(drvinfo->driver));
 }
 
 static int ipoib_get_coalesce(struct net_device *dev,
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index a68628e4197a..4fe44eba2f9f 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -49,9 +49,14 @@
 #include <linux/jhash.h>
 #include <net/arp.h>
 
+#define DRV_VERSION "1.0.0"
+
+const char ipoib_driver_version[] = DRV_VERSION;
+
 MODULE_AUTHOR("Roland Dreier");
 MODULE_DESCRIPTION("IP-over-InfiniBand net driver");
 MODULE_LICENSE("Dual BSD/GPL");
+MODULE_VERSION(DRV_VERSION);
 
 int ipoib_sendq_size __read_mostly = IPOIB_TX_RING_SIZE;
 int ipoib_recvq_size __read_mostly = IPOIB_RX_RING_SIZE;