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>

4 files changed, 38 insertions, 7 deletions

diff --git a/drivers/net/enic/enic_main.c b/drivers/net/enic/enic_main.c
index 83a7168deee4..03403a51f7ea 100644
--- a/drivers/net/enic/enic_main.c
+++ b/drivers/net/enic/enic_main.c
@@ -1866,7 +1866,6 @@ static int __devinit enic_probe(struct pci_dev *pdev,
         if (using_dac)
                 netdev->features |= NETIF_F_HIGHDMA;
 
-
         enic->csum_rx_enabled = ENIC_SETTING(enic, RXCSUM);
 
         enic->lro_mgr.max_aggr = ENIC_LRO_MAX_AGGR;
@@ -1878,7 +1877,6 @@ static int __devinit enic_probe(struct pci_dev *pdev,
         enic->lro_mgr.ip_summed = CHECKSUM_COMPLETE;
         enic->lro_mgr.ip_summed_aggr = CHECKSUM_UNNECESSARY;
 
-
         err = register_netdev(netdev);
         if (err) {
                 printk(KERN_ERR PFX
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:
diff --git a/drivers/net/enic/vnic_dev.h b/drivers/net/enic/vnic_dev.h
index b9dc1821c805..8aa8db2fd03f 100644
--- a/drivers/net/enic/vnic_dev.h
+++ b/drivers/net/enic/vnic_dev.h
@@ -102,6 +102,8 @@ int vnic_dev_link_status(struct vnic_dev *vdev);
 u32 vnic_dev_port_speed(struct vnic_dev *vdev);
 u32 vnic_dev_msg_lvl(struct vnic_dev *vdev);
 u32 vnic_dev_mtu(struct vnic_dev *vdev);
+u32 vnic_dev_link_down_cnt(struct vnic_dev *vdev);
+u32 vnic_dev_notify_status(struct vnic_dev *vdev);
 int vnic_dev_close(struct vnic_dev *vdev);
 int vnic_dev_enable(struct vnic_dev *vdev);
 int vnic_dev_disable(struct vnic_dev *vdev);
diff --git a/drivers/net/enic/vnic_devcmd.h b/drivers/net/enic/vnic_devcmd.h
index 8062c75154e6..2587f34fbfbd 100644
--- a/drivers/net/enic/vnic_devcmd.h
+++ b/drivers/net/enic/vnic_devcmd.h
@@ -191,7 +191,7 @@ enum vnic_devcmd_cmd {
         CMD_INIT_STATUS         = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 31),
 
         /* INT13 API: (u64)a0=paddr to vnic_int13_params struct
-         *            (u8)a1=INT13_CMD_xxx */
+         *            (u32)a1=INT13_CMD_xxx */
         CMD_INT13               = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_FC, 32),
 
         /* logical uplink enable/disable: (u64)a0: 0/1=disable/enable */
@@ -207,6 +207,11 @@ enum vnic_devcmd_cmd {
          * in:  (u32)a0=cmd
          * out: (u32)a0=errno, 0:valid cmd, a1=supported VNIC_STF_* bits */
         CMD_CAPABILITY          = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 36),
+
+        /* persistent binding info
+         * in:  (u64)a0=paddr of arg
+         *      (u32)a1=CMD_PERBI_XXX */
+        CMD_PERBI               = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_FC, 37),
 };
 
 /* flags for CMD_OPEN */
@@ -259,6 +264,7 @@ struct vnic_devcmd_notify {
         u32 status;             /* status bits (see VNIC_STF_*) */
         u32 error;              /* error code (see ERR_*) for first ERR */
         u32 link_down_cnt;      /* running count of link down transitions */
+        u32 perbi_rebuild_cnt;  /* running count of perbi rebuilds */
 };
 #define VNIC_STF_FATAL_ERR      0x0001  /* fatal fw error */
 #define VNIC_STF_STD_PAUSE      0x0002  /* standard link-level pause on */