i40e: Clean up of cloud filters

Introduce the cloud filter data structure and cleanup of cloud
filters associated with the device.

Signed-off-by: Amritha Nambiar <amritha.nambiar@intel.com>
Acked-by: Shannon Nelson <shannon.nelson@oracle.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h
index f3c501e..b938bb4 100644 (file)
--- a/drivers/net/ethernet/intel/i40e/i40e.h
+++ b/drivers/net/ethernet/intel/i40e/i40e.h
@@ -253,6 +253,12 @@ struct i40e_fdir_filter {
        u32 fd_id;
 };
 
+struct i40e_cloud_filter {
+       struct hlist_node cloud_node;
+       unsigned long cookie;
+       u16 seid;       /* filter control */
+};
+
 #define I40E_ETH_P_LLDP                        0x88cc
 
 #define I40E_DCB_PRIO_TYPE_STRICT      0
@@ -420,6 +426,9 @@ struct i40e_pf {
        struct i40e_udp_port_config udp_ports[I40E_MAX_PF_UDP_OFFLOAD_PORTS];
        u16 pending_udp_bitmap;
 
+       struct hlist_head cloud_filter_list;
+       u16 num_cloud_filters;
+
        enum i40e_interrupt_policy int_policy;
        u16 rx_itr_default;
        u16 tx_itr_default;

diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 128f259..fbe3450 100644 (file)
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -6937,6 +6937,26 @@ static void i40e_fdir_filter_exit(struct i40e_pf *pf)
 }
 
 /**
+ * i40e_cloud_filter_exit - Cleans up the cloud filters
+ * @pf: Pointer to PF
+ *
+ * This function destroys the hlist where all the cloud filters
+ * were saved.
+ **/
+static void i40e_cloud_filter_exit(struct i40e_pf *pf)
+{
+       struct i40e_cloud_filter *cfilter;
+       struct hlist_node *node;
+
+       hlist_for_each_entry_safe(cfilter, node,
+                                 &pf->cloud_filter_list, cloud_node) {
+               hlist_del(&cfilter->cloud_node);
+               kfree(cfilter);
+       }
+       pf->num_cloud_filters = 0;
+}
+
+/**
  * i40e_close - Disables a network interface
  * @netdev: network interface device structure
  *
@@ -12196,6 +12216,7 @@ static int i40e_setup_pf_switch(struct i40e_pf *pf, bool reinit)
                        vsi = i40e_vsi_reinit_setup(pf->vsi[pf->lan_vsi]);
                if (!vsi) {
                        dev_info(&pf->pdev->dev, "setup of MAIN VSI failed\n");
+                       i40e_cloud_filter_exit(pf);
                        i40e_fdir_teardown(pf);
                        return -EAGAIN;
                }
@@ -13030,6 +13051,8 @@ static void i40e_remove(struct pci_dev *pdev)
        if (pf->vsi[pf->lan_vsi])
                i40e_vsi_release(pf->vsi[pf->lan_vsi]);
 
+       i40e_cloud_filter_exit(pf);
+
        /* remove attached clients */
        if (pf->flags & I40E_FLAG_IWARP_ENABLED) {
                ret_code = i40e_lan_del_device(pf);
@@ -13261,6 +13284,7 @@ static void i40e_shutdown(struct pci_dev *pdev)
 
        del_timer_sync(&pf->service_timer);
        cancel_work_sync(&pf->service_task);
+       i40e_cloud_filter_exit(pf);
        i40e_fdir_teardown(pf);
 
        /* Client close must be called explicitly here because the timer