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From: Jingjing Wu <jingjing.wu@intel.com>
To: dev@dpdk.org
Date: Fri, 21 Nov 2014 08:46:51 +0800
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Subject: [dpdk-dev] [PATCH v6 17/22] i40e: implement operations to get fdir
statistics
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implement operation to get flow director statistics in i40e pmd driver
Signed-off-by: jingjing.wu <jingjing.wu@intel.com>
---
lib/librte_pmd_i40e/i40e_fdir.c | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/lib/librte_pmd_i40e/i40e_fdir.c b/lib/librte_pmd_i40e/i40e_fdir.c
index 2edb3a6..c452a80 100644
--- a/lib/librte_pmd_i40e/i40e_fdir.c
+++ b/lib/librte_pmd_i40e/i40e_fdir.c
@@ -122,6 +122,8 @@ static int i40e_fdir_filter_programming(struct i40e_pf *pf,
static int i40e_fdir_flush(struct rte_eth_dev *dev);
static void i40e_fdir_info_get(struct rte_eth_dev *dev,
struct rte_eth_fdir_info *fdir);
+static void i40e_fdir_stats_get(struct rte_eth_dev *dev,
+ struct rte_eth_fdir_stats *stat);
static int
i40e_fdir_rx_queue_init(struct i40e_rx_queue *rxq)
@@ -1004,6 +1006,28 @@ i40e_fdir_info_get(struct rte_eth_dev *dev, struct rte_eth_fdir_info *fdir)
}
/*
+ * i40e_fdir_stat_get - get statistics of Flow Director
+ * @pf: ethernet device to get info from
+ * @stat: a pointer to a structure of type *rte_eth_fdir_stats* to be filled with
+ * the flow director statistics.
+ */
+static void
+i40e_fdir_stats_get(struct rte_eth_dev *dev, struct rte_eth_fdir_stats *stat)
+{
+ struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
+ struct i40e_hw *hw = I40E_PF_TO_HW(pf);
+ uint32_t fdstat;
+
+ fdstat = I40E_READ_REG(hw, I40E_PFQF_FDSTAT);
+ stat->guarant_cnt =
+ (uint32_t)((fdstat & I40E_PFQF_FDSTAT_GUARANT_CNT_MASK) >>
+ I40E_PFQF_FDSTAT_GUARANT_CNT_SHIFT);
+ stat->best_cnt =
+ (uint32_t)((fdstat & I40E_PFQF_FDSTAT_BEST_CNT_MASK) >>
+ I40E_PFQF_FDSTAT_BEST_CNT_SHIFT);
+}
+
+/*
* i40e_fdir_ctrl_func - deal with all operations on flow director.
* @pf: board private structure
* @filter_op:operation will be taken.
@@ -1043,6 +1067,9 @@ i40e_fdir_ctrl_func(struct rte_eth_dev *dev,
case RTE_ETH_FILTER_INFO:
i40e_fdir_info_get(dev, (struct rte_eth_fdir_info *)arg);
break;
+ case RTE_ETH_FILTER_STATS:
+ i40e_fdir_stats_get(dev, (struct rte_eth_fdir_stats *)arg);
+ break;
default:
PMD_DRV_LOG(ERR, "unknown operation %u.", filter_op);
ret = -EINVAL;
--
1.8.1.4