enic: Add api for link down count and to get firmware notification status.

Signed-off-by: Scott Feldman <scofeldm@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 29 insertions, 4 deletions

diff --git a/drivers/net/enic/vnic_dev.c b/drivers/net/enic/vnic_dev.c
index 11708579b6ce..e21b9d636aec 100644
--- a/drivers/net/enic/vnic_dev.c
+++ b/drivers/net/enic/vnic_dev.c
@@ -34,6 +34,9 @@ struct vnic_res {
         unsigned int count;
 };
 
+#define VNIC_DEV_CAP_INIT       0x0001
+#define VNIC_DEV_CAP_PERBI      0x0002
+
 struct vnic_dev {
         void *priv;
         struct pci_dev *pdev;
@@ -50,6 +53,7 @@ struct vnic_dev {
         dma_addr_t stats_pa;
         struct vnic_devcmd_fw_info *fw_info;
         dma_addr_t fw_info_pa;
+        u32 cap_flags;
 };
 
 #define VNIC_MAX_RES_HDR_SIZE \
@@ -575,9 +579,9 @@ int vnic_dev_init(struct vnic_dev *vdev, int arg)
 {
         u64 a0 = (u32)arg, a1 = 0;
         int wait = 1000;
-        int r = 0;
+        int r = 0;
 
-        if (vnic_dev_capable(vdev, CMD_INIT))
+        if (vdev->cap_flags & VNIC_DEV_CAP_INIT)
                 r = vnic_dev_cmd(vdev, CMD_INIT, &a0, &a1, wait);
         else {
                 vnic_dev_cmd(vdev, CMD_INIT_v1, &a0, &a1, wait);
@@ -587,8 +591,8 @@ int vnic_dev_init(struct vnic_dev *vdev, int arg)
                         vnic_dev_cmd(vdev, CMD_MAC_ADDR, &a0, &a1, wait);
                         vnic_dev_cmd(vdev, CMD_ADDR_ADD, &a0, &a1, wait);
                 }
-        }
-        return r;
+        }
+        return r;
 }
 
 int vnic_dev_link_status(struct vnic_dev *vdev)
@@ -626,6 +630,22 @@ u32 vnic_dev_mtu(struct vnic_dev *vdev)
         return vdev->notify_copy.mtu;
 }
 
+u32 vnic_dev_link_down_cnt(struct vnic_dev *vdev)
+{
+        if (!vnic_dev_notify_ready(vdev))
+                return 0;
+
+        return vdev->notify_copy.link_down_cnt;
+}
+
+u32 vnic_dev_notify_status(struct vnic_dev *vdev)
+{
+        if (!vnic_dev_notify_ready(vdev))
+                return 0;
+
+        return vdev->notify_copy.status;
+}
+
 void vnic_dev_set_intr_mode(struct vnic_dev *vdev,
         enum vnic_dev_intr_mode intr_mode)
 {
@@ -682,6 +702,11 @@ struct vnic_dev *vnic_dev_register(struct vnic_dev *vdev,
         if (!vdev->devcmd)
                 goto err_out;
 
+        vdev->cap_flags = 0;
+
+        if (vnic_dev_capable(vdev, CMD_INIT))
+                vdev->cap_flags |= VNIC_DEV_CAP_INIT;
+
         return vdev;
 
 err_out: