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From: Beilei Xing <beilei.xing@intel.com>
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Date: Fri, 30 Dec 2016 00:04:22 +0800
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Subject: [dpdk-dev] [PATCH v3 06/17] net/i40e: restore flow director filter
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Add support of restoring flow director filter.
Signed-off-by: Beilei Xing <beilei.xing@intel.com>
---
drivers/net/i40e/i40e_ethdev.c | 1 +
drivers/net/i40e/i40e_ethdev.h | 1 +
drivers/net/i40e/i40e_fdir.c | 28 ++++++++++++++++++++++++++++
3 files changed, 30 insertions(+)
diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 0d53c4e..5bfa2e4 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -10135,4 +10135,5 @@ 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 b79fbd6..92f6f55 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 4a29b37..78ce92c 100644
--- a/drivers/net/i40e/i40e_fdir.c
+++ b/drivers/net/i40e/i40e_fdir.c
@@ -1586,3 +1586,31 @@ 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 i40e_hw *hw = I40E_PF_TO_HW(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;
+ uint32_t fdstat;
+ uint32_t guarant_cnt; /**< Number of filters in guaranteed spaces. */
+ uint32_t best_cnt; /**< Number of filters in best effort spaces. */
+
+ TAILQ_FOREACH(f, fdir_list, rules)
+ i40e_add_del_fdir_filter(dev, &f->fdir, TRUE);
+
+ 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);
+
+ printf("FDIR restore:"
+ "Guarant count: %d, Best count: %d\n",
+ guarant_cnt, best_cnt);
+}
--
2.5.5