net/i40e: restore flow director filter

Add support of restoring flow director filter.

Signed-off-by: Beilei Xing <beilei.xing@intel.com>
Acked-by: Jingjing Wu <jingjing.wu@intel.com>

diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 48a0c55..75342aa 100644 (file)
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -10254,4 +10254,5 @@ i40e_filter_restore(struct i40e_pf *pf)
 {
        i40e_ethertype_filter_restore(pf);
        i40e_tunnel_filter_restore(pf);
+       i40e_fdir_filter_restore(pf);
 }

diff --git a/drivers/net/i40e/i40e_ethdev.h b/drivers/net/i40e/i40e_ethdev.h
index 43a3dbb..82baab6 100644 (file)
--- a/drivers/net/i40e/i40e_ethdev.h
+++ b/drivers/net/i40e/i40e_ethdev.h
@@ -670,6 +670,7 @@ int i40e_fdir_ctrl_func(struct rte_eth_dev *dev,
 int i40e_select_filter_input_set(struct i40e_hw *hw,
                                 struct rte_eth_input_set_conf *conf,
                                 enum rte_filter_type filter);
+void i40e_fdir_filter_restore(struct i40e_pf *pf);
 int i40e_hash_filter_inset_select(struct i40e_hw *hw,
                             struct rte_eth_input_set_conf *conf);
 int i40e_fdir_filter_inset_select(struct i40e_pf *pf,

diff --git a/drivers/net/i40e/i40e_fdir.c b/drivers/net/i40e/i40e_fdir.c
index 4a29b37..f89dbc9 100644 (file)
--- a/drivers/net/i40e/i40e_fdir.c
+++ b/drivers/net/i40e/i40e_fdir.c
@@ -1586,3 +1586,34 @@ i40e_fdir_ctrl_func(struct rte_eth_dev *dev,
        }
        return ret;
 }
+
+/* Restore flow director filter */
+void
+i40e_fdir_filter_restore(struct i40e_pf *pf)
+{
+       struct rte_eth_dev *dev = I40E_VSI_TO_ETH_DEV(pf->main_vsi);
+       struct i40e_fdir_filter_list *fdir_list = &pf->fdir.fdir_list;
+       struct i40e_fdir_filter *f;
+#ifdef RTE_LIBRTE_I40E_DEBUG_DRIVER
+       struct i40e_hw *hw = I40E_PF_TO_HW(pf);
+       uint32_t fdstat;
+       uint32_t guarant_cnt;  /**< Number of filters in guaranteed spaces. */
+       uint32_t best_cnt;     /**< Number of filters in best effort spaces. */
+#endif /* RTE_LIBRTE_I40E_DEBUG_DRIVER */
+
+       TAILQ_FOREACH(f, fdir_list, rules)
+               i40e_add_del_fdir_filter(dev, &f->fdir, TRUE);
+
+#ifdef RTE_LIBRTE_I40E_DEBUG_DRIVER
+       fdstat = I40E_READ_REG(hw, I40E_PFQF_FDSTAT);
+       guarant_cnt =
+               (uint32_t)((fdstat & I40E_PFQF_FDSTAT_GUARANT_CNT_MASK) >>
+                          I40E_PFQF_FDSTAT_GUARANT_CNT_SHIFT);
+       best_cnt =
+               (uint32_t)((fdstat & I40E_PFQF_FDSTAT_BEST_CNT_MASK) >>
+                          I40E_PFQF_FDSTAT_BEST_CNT_SHIFT);
+#endif /* RTE_LIBRTE_I40E_DEBUG_DRIVER */
+
+       PMD_DRV_LOG(INFO, "FDIR: Guarant count: %d,  Best count: %d\n",
+                   guarant_cnt, best_cnt);
+}