[RFC PATCH net-next 2/2] rocker: register each switch as a switchdev

[sfeldma]

From: Scott Feldman <sfel...@gmail.com>

Signed-off-by: Scott Feldman <sfel...@gmail.com>
---
 drivers/net/ethernet/rocker/rocker.c |   23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/drivers/net/ethernet/rocker/rocker.c 
b/drivers/net/ethernet/rocker/rocker.c
index a7cb74a..9555ae4 100644
--- a/drivers/net/ethernet/rocker/rocker.c
+++ b/drivers/net/ethernet/rocker/rocker.c
@@ -233,6 +233,7 @@ struct rocker {
        struct pci_dev *pdev;
        u8 __iomem *hw_addr;
        struct msix_entry *msix_entries;
+       struct switchdev switchdev;
        unsigned int port_count;
        struct rocker_port **ports;
        struct {
@@ -5090,6 +5091,19 @@ static void rocker_msix_fini(const struct rocker *rocker)
        kfree(rocker->msix_entries);
 }
 
+static int rocker_probe_register_switchdev(struct rocker *rocker)
+{
+       char name[sizeof(rocker->hw.id) * 2 + 1];
+
+       sprintf(name, "%*phN", (int)sizeof(rocker->hw.id), &rocker->hw.id);
+       return register_switchdev(&rocker->switchdev, name);
+}
+
+static void rocker_probe_unregister_switchdev(struct rocker *rocker)
+{
+       unregister_switchdev(&rocker->switchdev);
+}
+
 static int rocker_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 {
        struct rocker *rocker;
@@ -5194,11 +5208,19 @@ static int rocker_probe(struct pci_dev *pdev, const 
struct pci_device_id *id)
                goto err_probe_ports;
        }
 
+       err = rocker_probe_register_switchdev(rocker);
+       if (err) {
+               dev_err(&pdev->dev, "cannot register switchdev\n");
+               goto err_register_switchdev;
+       }
+
        dev_info(&pdev->dev, "Rocker switch with id %*phN\n",
                 (int)sizeof(rocker->hw.id), &rocker->hw.id);
 
        return 0;
 
+err_register_switchdev:
+       rocker_remove_ports(rocker);
 err_probe_ports:
        rocker_free_tbls(rocker);
 err_init_tbls:
@@ -5227,6 +5249,7 @@ static void rocker_remove(struct pci_dev *pdev)
 {
        struct rocker *rocker = pci_get_drvdata(pdev);
 
+       rocker_probe_unregister_switchdev(rocker);
        rocker_free_tbls(rocker);
        rocker_write32(rocker, CONTROL, ROCKER_CONTROL_RESET);
        rocker_remove_ports(rocker);
-- 
1.7.10.4

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