[dpdk-dev] [PATCH] net/i40e: exclude internal packet's byte count
Qi Zhang
qi.z.zhang at intel.com
Thu Jun 1 00:53:27 CEST 2017
Tx/Rx byte counts of internal managed packet should be
exluded from the total rx/tx bytes.
Fixes: 9aace75fc82e ("i40e: fix statistics")
Cc: stable at dpdk.org
Signed-off-by: Qi Zhang <qi.z.zhang at intel.com>
---
drivers/net/i40e/i40e_ethdev.c | 13 +++++++++++--
drivers/net/i40e/i40e_ethdev.h | 5 +++++
2 files changed, 16 insertions(+), 2 deletions(-)
diff --git a/drivers/net/i40e/i40e_ethdev.c b/drivers/net/i40e/i40e_ethdev.c
index 4c49673..c8802f2 100644
--- a/drivers/net/i40e/i40e_ethdev.c
+++ b/drivers/net/i40e/i40e_ethdev.c
@@ -2379,6 +2379,15 @@ i40e_read_stats_registers(struct i40e_pf *pf, struct i40e_hw *hw)
struct i40e_hw_port_stats *ns = &pf->stats; /* new stats */
struct i40e_hw_port_stats *os = &pf->stats_offset; /* old stats */
+ /* Get rx/tx bytes of internal transfer packets */
+ i40e_stat_update_48(hw, I40E_GLV_GORCH(hw->port), I40E_GLV_GORCL(hw->port),
+ pf->offset_loaded, &pf->internal_rx_bytes_offset,
+ &pf->internal_rx_bytes);
+
+ i40e_stat_update_48(hw, I40E_GLV_GOTCH(hw->port), I40E_GLV_GOTCL(hw->port),
+ pf->offset_loaded, &pf->internal_tx_bytes_offset,
+ &pf->internal_tx_bytes);
+
/* Get statistics of struct i40e_eth_stats */
i40e_stat_update_48(hw, I40E_GLPRT_GORCH(hw->port),
I40E_GLPRT_GORCL(hw->port),
@@ -2400,7 +2409,7 @@ i40e_read_stats_registers(struct i40e_pf *pf, struct i40e_hw *hw)
* so subtract ETHER_CRC_LEN from the byte counter for each rx packet.
*/
ns->eth.rx_bytes -= (ns->eth.rx_unicast + ns->eth.rx_multicast +
- ns->eth.rx_broadcast) * ETHER_CRC_LEN;
+ ns->eth.rx_broadcast) * ETHER_CRC_LEN + pf->internal_rx_bytes;
i40e_stat_update_32(hw, I40E_GLPRT_RDPC(hw->port),
pf->offset_loaded, &os->eth.rx_discards,
@@ -2428,7 +2437,7 @@ i40e_read_stats_registers(struct i40e_pf *pf, struct i40e_hw *hw)
pf->offset_loaded, &os->eth.tx_broadcast,
&ns->eth.tx_broadcast);
ns->eth.tx_bytes -= (ns->eth.tx_unicast + ns->eth.tx_multicast +
- ns->eth.tx_broadcast) * ETHER_CRC_LEN;
+ ns->eth.tx_broadcast) * ETHER_CRC_LEN + pf->internal_tx_bytes;
/* GLPRT_TEPC not supported */
/* additional port specific stats */
diff --git a/drivers/net/i40e/i40e_ethdev.h b/drivers/net/i40e/i40e_ethdev.h
index 2ff8282..b0d963c 100644
--- a/drivers/net/i40e/i40e_ethdev.h
+++ b/drivers/net/i40e/i40e_ethdev.h
@@ -639,6 +639,11 @@ struct i40e_pf {
struct i40e_hw_port_stats stats_offset;
struct i40e_hw_port_stats stats;
+ /* internal packet byte count, it should be excluded from the total */
+ uint64_t internal_rx_bytes;
+ uint64_t internal_tx_bytes;
+ uint64_t internal_rx_bytes_offset;
+ uint64_t internal_tx_bytes_offset;
bool offset_loaded;
struct rte_eth_dev_data *dev_data; /* Pointer to the device data */
--
2.7.4
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