From: Beilei Xing <beilei.xing@intel.com>
Date: Fri, 6 Jan 2017 05:27:08 +0000 (+0800)
Subject: net/i40e: restore flow director filter
X-Git-Tag: spdx-start~4861
X-Git-Url: http://git.droids-corp.org/?p=dpdk.git;a=commitdiff_plain;h=38e9fa650c0207c67b5bfdcdf075587af64290b1

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 48a0c55d4f..75342aa3c0 100644
--- 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 43a3dbbc0d..82baab6a14 100644
--- 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 4a29b3729c..f89dbc98fe 100644
--- 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);
+}