[PATCH net-next 7/8] bnxt_tc: update indirect block support

[Pablo Neira Ayuso]

Register ndo callback via flow_indr_dev_register() and
flow_indr_dev_unregister().

Signed-off-by: Pablo Neira Ayuso <pa...@netfilter.org>
---
 drivers/net/ethernet/broadcom/bnxt/bnxt.h    |  1 -
 drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c | 51 +++++---------------
 2 files changed, 12 insertions(+), 40 deletions(-)

diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.h 
b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
index c04ac4a36005..f7fab249480d 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.h
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.h
@@ -1875,7 +1875,6 @@ struct bnxt {
        u8                      dsn[8];
        struct bnxt_tc_info     *tc_info;
        struct list_head        tc_indr_block_list;
-       struct notifier_block   tc_netdev_nb;
        struct dentry           *debugfs_pdev;
        struct device           *hwmon_dev;
 };
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c 
b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c
index 782ea0771221..0eef4f5e4a46 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_tc.c
@@ -1939,53 +1939,25 @@ static int bnxt_tc_setup_indr_block(struct net_device 
*netdev, struct bnxt *bp,
        return 0;
 }
 
-static int bnxt_tc_setup_indr_cb(struct net_device *netdev, void *cb_priv,
-                                enum tc_setup_type type, void *type_data)
-{
-       switch (type) {
-       case TC_SETUP_BLOCK:
-               return bnxt_tc_setup_indr_block(netdev, cb_priv, type_data);
-       default:
-               return -EOPNOTSUPP;
-       }
-}
-
 static bool bnxt_is_netdev_indr_offload(struct net_device *netdev)
 {
        return netif_is_vxlan(netdev);
 }
 
-static int bnxt_tc_indr_block_event(struct notifier_block *nb,
-                                   unsigned long event, void *ptr)
+static int bnxt_tc_setup_indr_cb(struct net_device *netdev, void *cb_priv,
+                                enum tc_setup_type type, void *type_data)
 {
-       struct net_device *netdev;
-       struct bnxt *bp;
-       int rc;
-
-       netdev = netdev_notifier_info_to_dev(ptr);
        if (!bnxt_is_netdev_indr_offload(netdev))
-               return NOTIFY_OK;
-
-       bp = container_of(nb, struct bnxt, tc_netdev_nb);
+               return -EOPNOTSUPP;
 
-       switch (event) {
-       case NETDEV_REGISTER:
-               rc = __flow_indr_block_cb_register(netdev, bp,
-                                                  bnxt_tc_setup_indr_cb,
-                                                  bp);
-               if (rc)
-                       netdev_info(bp->dev,
-                                   "Failed to register indirect blk: dev: 
%s\n",
-                                   netdev->name);
-               break;
-       case NETDEV_UNREGISTER:
-               __flow_indr_block_cb_unregister(netdev,
-                                               bnxt_tc_setup_indr_cb,
-                                               bp);
+       switch (type) {
+       case TC_SETUP_BLOCK:
+               return bnxt_tc_setup_indr_block(netdev, cb_priv, type_data);
+       default:
                break;
        }
 
-       return NOTIFY_DONE;
+       return -EOPNOTSUPP;
 }
 
 static const struct rhashtable_params bnxt_tc_flow_ht_params = {
@@ -2074,8 +2046,8 @@ int bnxt_init_tc(struct bnxt *bp)
 
        /* init indirect block notifications */
        INIT_LIST_HEAD(&bp->tc_indr_block_list);
-       bp->tc_netdev_nb.notifier_call = bnxt_tc_indr_block_event;
-       rc = register_netdevice_notifier(&bp->tc_netdev_nb);
+
+       rc = flow_indr_dev_register(bnxt_tc_setup_indr_cb, bp);
        if (!rc)
                return 0;
 
@@ -2101,7 +2073,8 @@ void bnxt_shutdown_tc(struct bnxt *bp)
        if (!bnxt_tc_flower_enabled(bp))
                return;
 
-       unregister_netdevice_notifier(&bp->tc_netdev_nb);
+       flow_indr_dev_unregister(bnxt_tc_setup_indr_cb, bp,
+                                bnxt_tc_setup_indr_block_cb);
        rhashtable_destroy(&tc_info->flow_table);
        rhashtable_destroy(&tc_info->l2_table);
        rhashtable_destroy(&tc_info->decap_l2_table);
-- 
2.20.1