i40e: Flow Director sideband accounting
This patch completes implementation of the ethtool ntuple
rule management interface. It adds the get, update and delete
interface reset.
Change-ID: Ida7f481d9ee4e405ed91340b858eabb18a52fdb5
Signed-off-by: Joseph Gasparakis <joseph.gasparakis@intel.com>
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Catherine Sullivan <catherine.sullivan@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 53f3ed2..fa296b8 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -2421,6 +2421,25 @@
}
/**
+ * i40e_fdir_filter_restore - Restore the Sideband Flow Director filters
+ * @vsi: Pointer to the targeted VSI
+ *
+ * This function replays the hlist on the hw where all the SB Flow Director
+ * filters were saved.
+ **/
+static void i40e_fdir_filter_restore(struct i40e_vsi *vsi)
+{
+ struct i40e_fdir_filter *filter;
+ struct i40e_pf *pf = vsi->back;
+ struct hlist_node *node;
+
+ hlist_for_each_entry_safe(filter, node,
+ &pf->fdir_filter_list, fdir_node) {
+ i40e_add_del_fdir(vsi, filter, true);
+ }
+}
+
+/**
* i40e_vsi_configure - Set up the VSI for action
* @vsi: the VSI being configured
**/
@@ -2431,6 +2450,8 @@
i40e_set_vsi_rx_mode(vsi);
i40e_restore_vlan(vsi);
i40e_vsi_config_dcb_rings(vsi);
+ if (vsi->type == I40E_VSI_FDIR)
+ i40e_fdir_filter_restore(vsi);
err = i40e_vsi_configure_tx(vsi);
if (!err)
err = i40e_vsi_configure_rx(vsi);
@@ -4268,6 +4289,26 @@
}
/**
+ * i40e_fdir_filter_exit - Cleans up the Flow Director accounting
+ * @pf: Pointer to pf
+ *
+ * This function destroys the hlist where all the Flow Director
+ * filters were saved.
+ **/
+static void i40e_fdir_filter_exit(struct i40e_pf *pf)
+{
+ struct i40e_fdir_filter *filter;
+ struct hlist_node *node2;
+
+ hlist_for_each_entry_safe(filter, node2,
+ &pf->fdir_filter_list, fdir_node) {
+ hlist_del(&filter->fdir_node);
+ kfree(filter);
+ }
+ pf->fdir_pf_active_filters = 0;
+}
+
+/**
* i40e_close - Disables a network interface
* @netdev: network interface device structure
*
@@ -5131,9 +5172,9 @@
err = i40e_up_complete(vsi);
if (err)
goto err_up_complete;
+ clear_bit(__I40E_NEEDS_RESTART, &vsi->state);
}
- clear_bit(__I40E_NEEDS_RESTART, &vsi->state);
return;
err_up_complete:
@@ -5156,6 +5197,7 @@
{
int i;
+ i40e_fdir_filter_exit(pf);
for (i = 0; i < pf->hw.func_caps.num_vsis; i++) {
if (pf->vsi[i] && pf->vsi[i]->type == I40E_VSI_FDIR) {
i40e_vsi_release(pf->vsi[i]);