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[dpdk-dev,v2] enic: fix 'imissed' to count drops due to no RX buffers

Message ID 1462915272-29965-1-git-send-email-johndale@cisco.com (mailing list archive)
State Superseded, archived
Delegated to: Bruce Richardson
Headers show

Commit Message

John Daley May 10, 2016, 9:21 p.m. UTC
The enic rx_no_bufs counter is a hardware counter of packets
dropped on the interface due to no host buffers being available.
Use this counter to update the r_stats->imissed counter.  Also,
include the rx_drop enic counter in the r_stats->ierrors count.
Rx_drop plus rx_errors are the total number of packets dropped
on by the enic on the Rx interface for reasons other than no host
buffers.

Fixes: 7182d3e7d177 ("enic: expose Rx missed packets counter")
Signed-off-by: John Daley <johndale@cisco.com>
---
v2: improved commit message

 drivers/net/enic/enic_main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/drivers/net/enic/enic_main.c b/drivers/net/enic/enic_main.c
index 60fe765..be4e9e5 100644
--- a/drivers/net/enic/enic_main.c
+++ b/drivers/net/enic/enic_main.c
@@ -243,10 +243,10 @@  void enic_dev_stats_get(struct enic *enic, struct rte_eth_stats *r_stats)
 	r_stats->ibytes = stats->rx.rx_bytes_ok;
 	r_stats->obytes = stats->tx.tx_bytes_ok;
 
-	r_stats->ierrors = stats->rx.rx_errors;
+	r_stats->ierrors = stats->rx.rx_errors + stats->rx.rx_drop;
 	r_stats->oerrors = stats->tx.tx_errors;
 
-	r_stats->imissed = stats->rx.rx_drop;
+	r_stats->imissed = stats->rx.rx_no_bufs;
 
 	r_stats->rx_nombuf = stats->rx.rx_no_bufs;
 }